diff --git a/crm/admin/adminmain.c b/crm/admin/adminmain.c index 06b3539e0c..e6ca2348dc 100644 --- a/crm/admin/adminmain.c +++ b/crm/admin/adminmain.c @@ -1,637 +1,637 @@ -/* $Id: adminmain.c,v 1.21 2004/04/26 12:36:05 msoffen Exp $ */ +/* $Id: adminmain.c,v 1.22 2004/04/29 15:33:02 andrew Exp $ */ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define OPTARGS "V?i:o:D:C:S:HA:U:M:I:EWRFt:m:a:d:w:c:r:p:s:" #include #include GMainLoop *mainloop = NULL; const char *crm_system_name = "crmadmin"; IPC_Channel *crmd_channel = NULL; char *admin_uuid = NULL; void usage(const char *cmd, int exit_status); ll_cluster_t *do_init(void); int do_work(ll_cluster_t * hb_cluster); gboolean decodeNVpair(const char *srcstring, char separator, char **name, char **value); gboolean admin_msg_callback(IPC_Channel * source_data, void *private_data); char *pluralSection(const char *a_section); xmlNodePtr handleCibMod(void); gboolean DO_DAEMON = FALSE; gboolean BE_VERBOSE = FALSE; int expected_responses = 1; gboolean DO_HEALTH = FALSE; gboolean DO_ELECT_DC = FALSE; gboolean DO_WHOIS_DC = FALSE; gboolean DO_RECALC_TREE = FALSE; gboolean DO_FLUSH_RECALC = FALSE; const char *cib_action = NULL; xmlNodePtr msg_options = NULL; typedef struct str_list_s { int num_items; char *value; struct str_list_s *next; } str_list_t; const char *verbose = "false"; char *id = NULL; char *this_msg_reference = NULL; char *obj_type = NULL; char *clear = NULL; char *status = NULL; char *disconnect = NULL; char *unload_ha = NULL; char *migrate_from = NULL; char *migrate_res = NULL; char *subtype = NULL; char *reset = NULL; int operation_status = 0; const char *sys_to = NULL;; int main(int argc, char **argv) { int option_index = 0; int argerr = 0; int flag; ll_cluster_t *hb_cluster = NULL; static struct option long_options[] = { // Top-level Options {"daemon", 0, 0, 0}, {CRM_OPERATION_ERASE, 0, 0, 0}, {CRM_OPERATION_QUERY, 0, 0, 0}, {CRM_OPERATION_CREATE, 0, 0, 0}, {CRM_OPERATION_REPLACE, 0, 0, 0}, {CRM_OPERATION_STORE, 0, 0, 0}, {CRM_OPERATION_UPDATE, 0, 0, 0}, {CRM_OPERATION_DELETE, 0, 0, 0}, {"verbose", 0, 0, 'V'}, {"help", 0, 0, '?'}, {"reference", 1, 0, 0}, // common options {"id", 1, 0, 'i'}, {"obj_type", 1, 0, 'o'}, // daemon options {"reset", 1, 0, 'C'}, {"status", 1, 0, 'S'}, {"health", 0, 0, 'H'}, {"disconnect", 1, 0, 'A'}, {"unload_ha", 1, 0, 'U'}, {"migrate_from", 1, 0, 'M'}, {"migrate_res", 1, 0, 'I'}, {"elect_dc", 0, 0, 'E'}, {"whois_dc", 0, 0, 'W'}, {"recalc_tree", 0, 0, 'R'}, {"flush_recalc_tree", 0, 0, 'F'}, {0, 0, 0, 0} }; cl_log_set_entity(crm_system_name); cl_log_enable_stderr(TRUE); cl_log_set_facility(LOG_USER); while (1) { flag = getopt_long(argc, argv, OPTARGS, long_options, &option_index); if (flag == -1) break; switch(flag) { case 0: printf("option %s", long_options[option_index].name); if (optarg) printf(" with arg %s", optarg); printf("\n"); if (strcmp("daemon", long_options[option_index].name) == 0) DO_DAEMON = TRUE; else if (strcmp(CRM_OPERATION_ERASE, long_options[option_index].name) == 0 || strcmp(CRM_OPERATION_CREATE, long_options[option_index].name) == 0 || strcmp(CRM_OPERATION_UPDATE, long_options[option_index].name) == 0 || strcmp(CRM_OPERATION_DELETE, long_options[option_index].name) == 0 || strcmp(CRM_OPERATION_REPLACE, long_options[option_index].name) == 0 || strcmp(CRM_OPERATION_STORE, long_options[option_index].name) == 0 || strcmp(CRM_OPERATION_QUERY, long_options[option_index].name) == 0){ cib_action = cl_strdup(long_options[option_index].name); } else if (strcmp("reference", long_options[option_index].name) == 0) { this_msg_reference = cl_strdup(optarg); } else { printf( "?? Long option (--%s) is not yet properly supported ??\n", long_options[option_index].name); ++argerr; } break; /* a sample test for multiple instance if (digit_optind != 0 && digit_optind != this_option_optind) printf ("digits occur in two different argv-elements.\n"); digit_optind = this_option_optind; printf ("option %c\n", c); */ case 'V': BE_VERBOSE = TRUE; verbose = "true"; break; case '?': usage(crm_system_name, LSB_EXIT_OK); break; case 'i': - CRM_DEBUG3("Option %c => %s", flag, optarg); + CRM_DEBUG("Option %c => %s", flag, optarg); id = cl_strdup(optarg); break; case 'o': - CRM_DEBUG3("Option %c => %s", flag, optarg); + CRM_DEBUG("Option %c => %s", flag, optarg); obj_type = cl_strdup(optarg); break; case 'C': printf("Option %c is not yet supported\n", flag); ++argerr; break; case 'S': DO_HEALTH = TRUE; status = cl_strdup(optarg); break; case 'H': DO_HEALTH = TRUE; break; case 'A': printf("Option %c is not yet supported\n", flag); ++argerr; break; case 'U': printf("Option %c is not yet supported\n", flag); ++argerr; break; case 'M': printf("Option %c is not yet supported\n", flag); ++argerr; break; case 'I': printf("Option %c is not yet supported\n", flag); ++argerr; break; case 'E': DO_ELECT_DC = TRUE; printf("Option %c is not yet supported\n", flag); ++argerr; break; case 'W': DO_WHOIS_DC = TRUE; printf("Option %c is not yet supported\n", flag); ++argerr; break; case 'R': DO_RECALC_TREE = TRUE; printf("Option %c is not yet supported\n", flag); ++argerr; break; case 'F': DO_FLUSH_RECALC = TRUE; printf("Option %c is not yet supported\n", flag); ++argerr; break; default: printf("?? getopt returned character code 0%o ??\n", flag); ++argerr; break; } } if (optind < argc) { printf("non-option ARGV-elements: "); while (optind < argc) printf("%s ", argv[optind++]); printf("\n"); } if (optind > argc) { ++argerr; } if (argerr) { usage(crm_system_name, LSB_EXIT_GENERIC); } hb_cluster = do_init(); if (hb_cluster != NULL) { if (do_work(hb_cluster) > 0) { /* wait for the reply by creating a mainloop and running it until * the callbacks are invoked... */ mainloop = g_main_new(FALSE); cl_log(LOG_INFO, "%s waiting for reply from the local CRM", crm_system_name); g_main_run(mainloop); return_to_orig_privs(); } else { cl_log(LOG_ERR, "No message to send"); operation_status = -1; } } else { cl_log(LOG_ERR, "Init failed, could not perform requested operations"); operation_status = -2; } cl_log(LOG_DEBUG, "%s exiting normally", crm_system_name); return operation_status; } xmlNodePtr handleCibMod(void) { const char *attr_name = NULL; const char *attr_value = NULL; xmlNodePtr fragment = NULL; xmlNodePtr cib_object = file2xml(stdin); if(cib_object == NULL) { return NULL; } if(strcmp(cib_object->name, obj_type) != 0) { cl_log(LOG_ERR, "Mismatching xml." " Expected root element <%s>, got <%s>", obj_type, cib_object->name); return NULL; } attr_name = XML_ATTR_ID; attr_value = xmlGetProp(cib_object, attr_name); if(attr_name == NULL || strlen(attr_name) == 0) { cl_log(LOG_ERR, "No value for %s specified.", attr_name); return NULL; } CRM_DEBUG("Object creation complete"); // create the cib request fragment = create_cib_fragment(cib_object, NULL); set_xml_property_copy(msg_options, XML_ATTR_OP, cib_action); return fragment; } int do_work(ll_cluster_t * hb_cluster) { /* construct the request */ xmlNodePtr msg_data = NULL; const char *dest_node = NULL; gboolean all_is_good = TRUE; char *obj_type_parent = NULL; const char *ping_type = NULL; msg_options = create_xml_node(NULL, XML_TAG_OPTIONS); set_xml_property_copy(msg_options, XML_ATTR_VERBOSE, verbose); set_xml_property_copy(msg_options, XML_ATTR_TIMEOUT, "0"); if (DO_DAEMON == TRUE && cib_action != NULL) { if(strcmp(CRM_OPERATION_QUERY, cib_action) == 0) { cl_log(LOG_DEBUG, "Querying the CIB"); obj_type_parent = pluralSection(obj_type); - CRM_DEBUG2("Querying the CIB for section: %s", + CRM_DEBUG("Querying the CIB for section: %s", obj_type_parent); set_xml_property_copy(msg_options, XML_ATTR_OP, CRM_OPERATION_QUERY); set_xml_property_copy(msg_options, XML_ATTR_FILTER_ID, obj_type_parent); dest_node = status; - CRM_DEBUG2("CIB query creation %s", + CRM_DEBUG("CIB query creation %s", msg_data == NULL ? "failed." : "passed."); sys_to = CRM_SYSTEM_DCIB; } else if (strcmp(CRM_OPERATION_ERASE, cib_action) == 0) { set_xml_property_copy(msg_options, XML_ATTR_OP, CRM_OPERATION_ERASE); dest_node = status; CRM_DEBUG("CIB Erase op in progress"); sys_to = CRM_SYSTEM_DCIB; } else { cl_log(LOG_ERR, "Unknown daemon options"); all_is_good = FALSE; } } else if(cib_action != NULL) { msg_data = handleCibMod(); sys_to = CRM_SYSTEM_DCIB; if(msg_data == NULL) all_is_good = FALSE; } else if (DO_DAEMON == TRUE && DO_HEALTH == TRUE) { CRM_DEBUG("Querying the system"); sys_to = CRM_SYSTEM_DC; if (status != NULL) { sys_to = CRM_SYSTEM_CRMD; ping_type = CRM_OPERATION_PING; if (BE_VERBOSE) { ping_type = "ping_deep"; if (status != NULL) expected_responses = 2; // 5; // CRM/DC, LRMD, CIB, PENGINE, TENGINE else expected_responses = -1;// wait until timeout instead } set_xml_property_copy(msg_options, XML_ATTR_OP, ping_type); set_xml_property_copy(msg_options, XML_ATTR_TIMEOUT, "0"); dest_node = status; } else { cl_log(LOG_INFO, "Cluster-wide health not available yet"); all_is_good = FALSE; } } else { cl_log(LOG_ERR, "Unknown options"); all_is_good = FALSE; } if(all_is_good == FALSE) { cl_log(LOG_ERR, "Creation of request failed. No message to send"); return -1; } /* send it */ if (crmd_channel == NULL) { cl_log(LOG_ERR, "The IPC connection is not valid, cannot send anything"); return -1; } if(sys_to == NULL) { if (dest_node != NULL) sys_to = CRM_SYSTEM_CRMD; else sys_to = CRM_SYSTEM_DC; } send_ipc_request(crmd_channel, msg_options, msg_data, dest_node, sys_to, crm_system_name, admin_uuid, this_msg_reference); return 1; } ll_cluster_t * do_init(void) { int facility; ll_cluster_t *hb_cluster = NULL; /* docs say only do this once, but in their code they do it every time! */ xmlInitParser (); /* change the logging facility to the one used by heartbeat daemon */ hb_cluster = ll_cluster_new("heartbeat"); cl_log(LOG_INFO, "Switching to Heartbeat logger"); if (( facility = hb_cluster->llc_ops->get_logfacility(hb_cluster)) > 0) { cl_log_set_facility(facility); } admin_uuid = cl_malloc(sizeof(char) * 11); snprintf(admin_uuid, 10, "%d", getpid()); admin_uuid[10] = '\0'; crmd_channel = init_client_ipc_comms(CRM_SYSTEM_CRMD, admin_msg_callback, NULL); if(crmd_channel != NULL) { send_hello_message(crmd_channel, admin_uuid, crm_system_name, "0", "1"); return hb_cluster; } return NULL; } void usage(const char *cmd, int exit_status) { FILE *stream; stream = exit_status ? stderr : stdout; fprintf(stream, "usage: %s [-srkh]" "[-c configure file]\n", cmd); /* fprintf(stream, "\t-d\tsets debug level\n"); */ /* fprintf(stream, "\t-s\tgets daemon status\n"); */ /* fprintf(stream, "\t-r\trestarts daemon\n"); */ /* fprintf(stream, "\t-k\tstops daemon\n"); */ /* fprintf(stream, "\t-h\thelp message\n"); */ fflush(stream); exit(exit_status); } const char *ournode; gboolean admin_msg_callback(IPC_Channel * server, void *private_data) { int lpc = 0; IPC_Message *msg = NULL; gboolean hack_return_good = TRUE; static int received_responses = 0; char *filename; int filename_len = 0; const char *result = NULL; xmlNodePtr options = NULL; xmlNodePtr xml_root_node = NULL; char *buffer = NULL; FNIN(); while (server->ch_status != IPC_DISCONNECT && server->ops->is_message_pending(server) == TRUE) { if (server->ops->recv(server, &msg) != IPC_OK) { perror("Receive failure:"); FNRET(!hack_return_good); } if (msg == NULL) { CRM_DEBUG("No message this time"); continue; } lpc++; buffer =(char *) msg->msg_body; - CRM_DEBUG2("Got xml [text=%s]", buffer); + CRM_DEBUG("Got xml [text=%s]", buffer); xml_root_node = find_xml_in_ipcmessage(msg, TRUE); if (xml_root_node == NULL) { cl_log(LOG_INFO, "XML in IPC message was not valid... " "discarding."); continue; } else if (validate_crm_message(xml_root_node, crm_system_name, admin_uuid, "response") == FALSE) { cl_log(LOG_INFO, "Message was not a CRM response. Discarding."); continue; } options = find_xml_node(xml_root_node, XML_TAG_OPTIONS); result = xmlGetProp(options, XML_ATTR_RESULT); if(result == NULL || strcmp(result, "ok") == 0) { result = "pass"; } else { result = "fail"; } received_responses++; // do stuff if (this_msg_reference != NULL) { // in testing mode... /* 31 = "test-_.xml" + an_int_as_string + '\0' */ filename_len = 31 + strlen(this_msg_reference); filename = cl_malloc(sizeof(char) * filename_len); sprintf(filename, "%s-%s_%d.xml", result, this_msg_reference, received_responses); filename[filename_len - 1] = '\0'; if (xmlSaveFormatFile(filename, xml_root_node->doc, 1) < 0) { cl_log(LOG_CRIT, "Could not save response %s_%s_%d.xml", this_msg_reference, result, received_responses); } } } if (server->ch_status == IPC_DISCONNECT) { cl_log(LOG_INFO, "admin_msg_callback: received HUP"); FNRET(!hack_return_good); } if (received_responses >= expected_responses) { cl_log(LOG_INFO, "Recieved expected number (%d) of messages from Heartbeat." " Exiting normally.", expected_responses); g_main_quit(mainloop); return !hack_return_good; } FNRET(hack_return_good); } diff --git a/crm/cib/cib.c b/crm/cib/cib.c index bb4bda3e26..f86a26357b 100644 --- a/crm/cib/cib.c +++ b/crm/cib/cib.c @@ -1,337 +1,337 @@ -/* $Id: cib.c,v 1.31 2004/04/15 00:34:06 msoffen Exp $ */ +/* $Id: cib.c,v 1.32 2004/04/29 15:33:03 andrew Exp $ */ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include gboolean startCib(const char *filename) { xmlNodePtr cib = readCibXmlFile(filename); if (initializeCib(cib)) { cl_log(LOG_INFO, "CIB Initialization completed successfully"); } else { // free_xml(cib); cl_log(LOG_WARNING, "CIB Initialization failed, " "starting with an empty default."); activateCibXml(createEmptyCib(), filename); } return TRUE; } xmlNodePtr get_cib_copy() { return copy_xml_node_recursive(get_the_CIB()); } /* * The caller should never free the return value */ xmlNodePtr get_object_root(const char *object_type, xmlNodePtr the_root) { const char *node_stack[2]; xmlNodePtr tmp_node = NULL; FNIN(); node_stack[0] = XML_CIB_TAG_CONFIGURATION; node_stack[1] = object_type; if(object_type == NULL || strlen(object_type) == 0) { FNRET(the_root); /* get the whole cib */ } else if(strcmp(object_type, XML_CIB_TAG_STATUS) == 0) { node_stack[0] = XML_CIB_TAG_STATUS; node_stack[1] = NULL; /* these live in a different place */ } tmp_node = find_xml_node_nested(the_root, node_stack, 2); if (tmp_node == NULL) { cl_log(LOG_ERR, "[cib] Section cib[%s[%s]] not present", node_stack[0], node_stack[1]); } FNRET(tmp_node); } FILE *msg_cib_strm = NULL; xmlNodePtr process_cib_message(xmlNodePtr message, gboolean auto_reply) { xmlNodePtr data; xmlNodePtr reply; enum cib_result result = CIBRES_OK; xmlNodePtr fragment = find_xml_node(message, XML_TAG_FRAGMENT); xmlNodePtr options = find_xml_node(message, XML_TAG_OPTIONS); const char *op = get_xml_attr (message, XML_TAG_OPTIONS, XML_ATTR_OP, TRUE); #ifdef MSG_LOG if(msg_cib_strm == NULL) { msg_cib_strm = fopen("/tmp/cib.log", "w"); } fprintf(msg_cib_strm, "[Input ]\t%s\n", dump_xml_node(message, FALSE)); fflush(msg_cib_strm); #endif data = cib_process_request(op, options, fragment, &result); - CRM_DEBUG2("[cib] operation returned result %d", result); + CRM_DEBUG("[cib] operation returned result %d", result); if(auto_reply) { reply = create_reply(message, data); free_xml(data); #ifdef MSG_LOG fprintf(msg_cib_strm, "[Reply ]\t%s\n", dump_xml_node(reply, FALSE)); fflush(msg_cib_strm); #endif set_xml_attr(reply, XML_TAG_OPTIONS, XML_ATTR_RESULT, "ok", TRUE); // put real result in here return reply; } #ifdef MSG_LOG fprintf(msg_cib_strm, "[Output]\t%s\n", dump_xml_node(data, FALSE)); fflush(msg_cib_strm); #endif return data; } xmlNodePtr process_cib_request(const char *op, const xmlNodePtr options, const xmlNodePtr fragment) { enum cib_result result = CIBRES_OK; return cib_process_request(op, options, fragment, &result); } xmlNodePtr create_cib_fragment(xmlNodePtr update, const char *section) { gboolean whole_cib = FALSE; xmlNodePtr fragment = create_xml_node(NULL, XML_TAG_FRAGMENT); xmlNodePtr cib = NULL; xmlNodePtr object_root = NULL; char *auto_section = pluralSection(update->name); if(update == NULL) { cl_log(LOG_ERR, "No update to create a fragment for"); cl_free(auto_section); return NULL; } else if(section == NULL) { section = auto_section; } else if(strcmp(auto_section, section) != 0) { cl_log(LOG_ERR, "Values for update (tag=%s) and section (%s)" " were not consistent", update->name, section); cl_free(auto_section); return NULL; } if(strcmp(section, "all")==0 && strcmp(update->name, XML_TAG_CIB)==0) { whole_cib = TRUE; } set_xml_property_copy(fragment, XML_ATTR_SECTION, section); if(whole_cib == FALSE) { cib = createEmptyCib(); object_root = get_object_root(section, cib); add_node_copy(object_root, update); } else { cib = copy_xml_node_recursive(update); } xmlAddChild(fragment, cib); CRM_DEBUG("Fragment created"); xml_message_debug(fragment, "created fragment"); cl_free(auto_section); return fragment; } char * pluralSection(const char *a_section) { char *a_section_parent = NULL; if (a_section == NULL) { a_section_parent = cl_strdup("all"); } else if(strcmp(a_section, XML_TAG_CIB) == 0) { a_section_parent = cl_strdup("all"); } else if(strcmp(a_section, XML_CIB_TAG_NODE) == 0) { a_section_parent = cl_strdup(XML_CIB_TAG_NODES); } else if(strcmp(a_section, XML_CIB_TAG_STATE) == 0) { a_section_parent = cl_strdup(XML_CIB_TAG_STATUS); } else if(strcmp(a_section, XML_CIB_TAG_CONSTRAINT) == 0) { a_section_parent = cl_strdup(XML_CIB_TAG_CONSTRAINTS); } else if(strcmp(a_section, XML_CIB_TAG_RESOURCE) == 0) { a_section_parent = cl_strdup(XML_CIB_TAG_RESOURCES); } else { cl_log(LOG_ERR, "Unknown section %s", a_section); a_section_parent = cl_strdup("all"); } - CRM_DEBUG2("Plural is %s", a_section_parent); + CRM_DEBUG("Plural is %s", a_section_parent); return a_section_parent; } const char * cib_error2string(enum cib_result return_code) { const char *error_msg = NULL; switch(return_code) { case CIBRES_MISSING_ID: error_msg = "The id field is missing"; break; case CIBRES_MISSING_TYPE: error_msg = "The type field is missing"; break; case CIBRES_MISSING_FIELD: error_msg = "A required field is missing"; break; case CIBRES_OBJTYPE_MISMATCH: error_msg = "CIBRES_OBJTYPE_MISMATCH"; break; case CIBRES_FAILED_EXISTS: error_msg = "The object already exists"; break; case CIBRES_FAILED_NOTEXISTS: error_msg = "The object does not exist"; break; case CIBRES_CORRUPT: error_msg = "The CIB is corrupt"; break; case CIBRES_FAILED_NOOBJECT: error_msg = "The update was empty"; break; case CIBRES_FAILED_NOPARENT: error_msg = "The parent object does not exist"; break; case CIBRES_FAILED_NODECOPY: error_msg = "Failed while copying update"; break; case CIBRES_OTHER: error_msg = "CIBRES_OTHER"; break; case CIBRES_OK: error_msg = "ok"; break; case CIBRES_FAILED: error_msg = "Failed"; break; case CIBRES_FAILED_STALE: error_msg = "Discarded old update"; break; case CIBRES_FAILED_ACTIVATION: error_msg = "Activation Failed"; break; case CIBRES_FAILED_NOSECTION: error_msg = "Required section was missing"; break; case CIBRES_FAILED_NOTSUPPORTED: error_msg = "Supplied information is not supported"; break; } if(error_msg == NULL) { cl_log(LOG_ERR, "Unknown CIB Error %d", return_code); error_msg = ""; } return error_msg; } const char * cib_op2string(enum cib_op operation) { const char *operation_msg = NULL; switch(operation) { case 0: operation_msg = "none"; break; case 1: operation_msg = "add"; break; case 2: operation_msg = "modify"; break; case 3: operation_msg = "delete"; break; case CIB_OP_MAX: operation_msg = "invalid operation"; break; } if(operation_msg == NULL) { cl_log(LOG_ERR, "Unknown CIB operation %d", operation); operation_msg = ""; } return operation_msg; } diff --git a/crm/cib/cibio.c b/crm/cib/cibio.c index 367a9a9eca..4fe2c688af 100644 --- a/crm/cib/cibio.c +++ b/crm/cib/cibio.c @@ -1,432 +1,432 @@ -/* $Id: cibio.c,v 1.20 2004/04/15 00:34:06 msoffen Exp $ */ +/* $Id: cibio.c,v 1.21 2004/04/29 15:33:03 andrew Exp $ */ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include // for getNow() #include #include #include const char * local_resource_path[] = { XML_CIB_TAG_STATUS, }; const char * resource_path[] = { XML_CIB_TAG_RESOURCES, }; const char * node_path[] = { XML_CIB_TAG_NODES, }; const char * constraint_path[] = { XML_CIB_TAG_CONSTRAINTS, }; gboolean initialized = FALSE; xmlNodePtr the_cib = NULL; xmlNodePtr node_search = NULL; xmlNodePtr resource_search = NULL; xmlNodePtr constraint_search = NULL; xmlNodePtr status_search = NULL; /* * It is the callers responsibility to free both the new CIB (output) * and the new CIB (input) */ xmlNodePtr createEmptyCib(void) { xmlNodePtr cib_root = NULL, config = NULL, status = NULL; cib_root = create_xml_node(NULL, XML_TAG_CIB); config = create_xml_node(cib_root, XML_CIB_TAG_CONFIGURATION); status = create_xml_node(cib_root, XML_CIB_TAG_STATUS); set_node_tstamp(cib_root); set_node_tstamp(config); set_node_tstamp(status); set_xml_property_copy(cib_root, "version", "1"); set_xml_property_copy(cib_root, "generated", "true"); create_xml_node(config, XML_CIB_TAG_NODES); create_xml_node(config, XML_CIB_TAG_RESOURCES); create_xml_node(config, XML_CIB_TAG_CONSTRAINTS); if (verifyCibXml(cib_root)) { FNRET(cib_root); } cl_log(LOG_CRIT, "The generated CIB did not pass integrity testing!!" " All hope is lost."); FNRET(NULL); } gboolean verifyCibXml(xmlNodePtr cib) { gboolean is_valid = TRUE; xmlNodePtr tmp_node = NULL; FNIN(); if (cib == NULL) { cl_log(LOG_ERR, "XML Buffer was empty."); FNRET(FALSE); } tmp_node = get_object_root(XML_CIB_TAG_NODES, cib); if (tmp_node == NULL) is_valid = FALSE; tmp_node = get_object_root(XML_CIB_TAG_RESOURCES, cib); if (tmp_node == NULL) is_valid = FALSE; tmp_node = get_object_root(XML_CIB_TAG_CONSTRAINTS, cib); if (tmp_node == NULL) is_valid = FALSE; tmp_node = get_object_root(XML_CIB_TAG_STATUS, cib); if (tmp_node == NULL) is_valid = FALSE; // more integrity tests FNRET(is_valid); } /* * It is the callers responsibility to free the output of this function */ xmlNodePtr readCibXml(char *buffer) { xmlNodePtr root = string2xml(buffer); if (verifyCibXml(root) == FALSE) { free_xml(root); FNRET(createEmptyCib()); } FNRET(root); } /* * It is the callers responsibility to free the output of this function */ xmlNodePtr readCibXmlFile(const char *filename) { int s_res = -1; struct stat buf; xmlNodePtr root = NULL; FNIN(); if(filename != NULL) { s_res = stat(filename, &buf); } if (s_res == 0) { FILE *cib_file = fopen(filename, "r"); root = file2xml(cib_file); set_xml_property_copy(root, "generated", "false"); fclose(cib_file); } else { cl_log(LOG_WARNING, "Stat of (%s) failed, file does not exist.", CIB_FILENAME); } if (verifyCibXml(root) == FALSE) { free_xml(root); // FNRET(createEmptyCib()); root = NULL; } FNRET(root); } /* * The caller should never free the return value */ xmlNodePtr get_the_CIB(void) { FNIN(); FNRET(the_cib); } gboolean uninitializeCib(void) { xmlNodePtr tmp_cib = the_cib; FNIN(); if(tmp_cib == NULL) { cl_log(LOG_ERR, "The CIB has already been deallocated."); FNRET(FALSE); } initialized = FALSE; the_cib = NULL; node_search = NULL; resource_search = NULL; constraint_search = NULL; status_search = NULL; cl_log(LOG_WARNING, "Deallocating the CIB."); free_xml(tmp_cib); cl_log(LOG_WARNING, "The CIB has been deallocated."); FNRET(TRUE); } /* * This method will not free the old CIB pointer or the new one. * We rely on the caller to have saved a pointer to the old CIB * and to free the old/bad one depending on what is appropriate. */ gboolean initializeCib(xmlNodePtr new_cib) { if (verifyCibXml(new_cib)) { initialized = FALSE; the_cib = new_cib; // update search paths /* not used yet... node_search = get_object_root(XML_CIB_TAG_NODES, new_cib); resource_search = get_object_root(XML_CIB_TAG_RESOURCES, new_cib); constraint_search = get_object_root(XML_CIB_TAG_CONSTRAINTS, new_cib); status_search = get_object_root(XML_CIB_TAG_STATUS, new_cib); */ initialized = TRUE; CRM_DEBUG("CIB initialized"); FNRET(TRUE); } else { cl_log(LOG_ERR, "CIB Verification failed"); } FNRET(FALSE); } int moveFile(const char *oldname, const char *newname, gboolean backup, char *ext) { /* move 'oldname' to 'newname' by creating a hard link to it * and then removing the original hard link */ int res = 0; struct stat tmp; int s_res = stat(newname, &tmp); FNIN(); cl_log(LOG_INFO, "Stat of %s (code: %d).", newname, s_res); if (s_res >= 0) { if (backup == TRUE) { char backname[1024]; static const char *back_ext = "bak"; if (ext != NULL) back_ext = (char*)ext; snprintf(backname, sizeof(backname)-1, "%s.%s", newname, back_ext); moveFile(newname, backname, FALSE, NULL); } else { res = unlink(newname); if (res < 0) { perror("Could not remove the current backup of Cib"); FNRET(-1); } } } s_res = stat(oldname, &tmp); cl_log(LOG_INFO, "Stat of %s (code: %d).", oldname, s_res); if (s_res >= 0) { res = link(oldname, newname); if (res < 0) { perror("Could not create backup of current Cib"); FNRET(-2); } res = unlink(oldname); if (res < 0) { perror("Could not unlink the current Cib"); FNRET(-3); } } FNRET(0); } int activateCibBuffer(char *buffer, const char *filename) { int result = -1; xmlNodePtr local_cib = NULL; FNIN(); local_cib = readCibXml(buffer); result = activateCibXml(local_cib, filename); FNRET(result); } /* * This method will free the old CIB pointer on success and the new one * on failure. */ int activateCibXml(xmlNodePtr new_cib, const char *filename) { int error_code = 0; xmlNodePtr saved_cib = get_the_CIB(); const char *filename_bak = CIB_BACKUP; // calculate xmlDocPtr foo; FNIN(); if (initializeCib(new_cib) == TRUE) { int res = moveFile(filename, filename_bak, FALSE, NULL); if (res < 0) { cl_log(LOG_INFO, "Could not make backup of the current Cib " "(code: %d)... aborting update.", res); error_code = -1; } else { cl_log(LOG_INFO, "Writing CIB out to %s", CIB_FILENAME); if (new_cib->doc == NULL) { cl_log(LOG_INFO, "Writing of a node tree with a NULL " "document will fail, creating a new " "back link."); foo = xmlNewDoc("1.0"); xmlDocSetRootElement(foo, new_cib); xmlSetTreeDoc(new_cib,foo); } /* save it. * set arg 3 to 0 to disable line breaks,1 to enable * res == num bytes saved */ res = xmlSaveFormatFile(filename, new_cib->doc, 1); /* for some reason, reading back after saving with * line-breaks doesnt go real well */ cl_log(LOG_INFO, "Saved %d bytes to the Cib as XML", res); if (res < 0) { // assume 0 is good if (moveFile(filename_bak, filename, FALSE, NULL) < -1) { cl_log(LOG_CRIT, "Could not restore the " "backup of the current Cib " "(code: %d)... panic!", res); error_code = -2; // should probably exit here } else if (initializeCib(saved_cib) == FALSE) { // oh we are so dead cl_log(LOG_CRIT, "Could not re-initialize " "with the old CIB. " "Everything is about to go " "pear shaped"); error_code = -3; } else { cl_log(LOG_CRIT, "Update of Cib failed " "(code: %d)... reverted to " "last known valid version", res); error_code = -4; } } } } else { cl_log(LOG_INFO, "Ignoring invalid or NULL Cib"); error_code = -5; } // Make sure memory is cleaned up appropriately if (error_code != 0) { -// CRM_DEBUG2("Freeing new CIB %p", new_cib); +// CRM_DEBUG("Freeing new CIB %p", new_cib); free_xml(new_cib); } else { -// CRM_DEBUG2("Freeing saved CIB %p", saved_cib); +// CRM_DEBUG("Freeing saved CIB %p", saved_cib); free_xml(saved_cib); } FNRET(error_code); } diff --git a/crm/cib/cibmain.c b/crm/cib/cibmain.c index e1ac1cd7d5..05008a8345 100644 --- a/crm/cib/cibmain.c +++ b/crm/cib/cibmain.c @@ -1,356 +1,356 @@ -/* $Id: cibmain.c,v 1.16 2004/04/21 18:50:28 andrew Exp $ */ +/* $Id: cibmain.c,v 1.17 2004/04/29 15:33:03 andrew Exp $ */ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* #define REALTIME_SUPPORT 0 */ #define PID_FILE WORKING_DIR"/cib.pid" #define DAEMON_LOG LOG_DIR"/cib.log" #define DAEMON_DEBUG LOG_DIR"/cib.debug" GMainLoop* mainloop = NULL; const char* crm_system_name = CRM_SYSTEM_CIB; void usage(const char* cmd, int exit_status); int init_start(void); void cib_shutdown(int nsig); gboolean cib_msg_callback(IPC_Channel *client, gpointer user_data); #define OPTARGS "skrh" int main(int argc, char ** argv) { int req_comms_restart = FALSE; int req_restart = FALSE; int req_status = FALSE; int req_stop = FALSE; int argerr = 0; int flag; cl_log_set_entity(crm_system_name); cl_log_enable_stderr(TRUE); cl_log_set_facility(LOG_USER); while ((flag = getopt(argc, argv, OPTARGS)) != EOF) { switch(flag) { case 's': /* Status */ req_status = TRUE; break; case 'k': /* Stop (kill) */ req_stop = TRUE; break; case 'r': /* Restart */ req_restart = TRUE; break; case 'c': /* Restart */ req_comms_restart = TRUE; break; case 'h': /* Help message */ usage(crm_system_name, LSB_EXIT_OK); break; default: ++argerr; break; } } if (optind > argc) { ++argerr; } if (argerr) { usage(crm_system_name,LSB_EXIT_GENERIC); } // read local config file if (req_status){ FNRET(init_status(PID_FILE, crm_system_name)); } if (req_stop){ FNRET(init_stop(PID_FILE)); } if (req_restart) { init_stop(PID_FILE); } FNRET(init_start()); } int init_start(void) { long pid; ll_cluster_t *hb_fd; int facility; IPC_Channel *crm_ch = NULL; #ifdef REALTIME_SUPPORT static int crm_realtime = 1; #endif if ((pid = get_running_pid(PID_FILE, NULL)) > 0) { cl_log(LOG_CRIT, "already running: [pid %ld].", pid); exit(LSB_EXIT_OK); } cl_log(LOG_INFO, "Register PID"); register_pid(PID_FILE, FALSE, cib_shutdown); xmlInitParser(); // only do this once cl_log_set_logfile(DAEMON_LOG); // if (crm_debug()) { cl_log_set_debugfile(DAEMON_DEBUG); // } hb_fd = ll_cluster_new("heartbeat"); cl_log(LOG_INFO, "Switching to Heartbeat logger"); if ((facility = hb_fd->llc_ops->get_logfacility(hb_fd))>0) { cl_log_set_facility(facility); } if(startCib(CIB_FILENAME) == FALSE){ cl_log(LOG_CRIT, "Cannot start CIB... terminating"); exit(1); } crm_ch = init_client_ipc_comms(CRM_SYSTEM_CRMD, cib_msg_callback, NULL); if(crm_ch != NULL) { send_hello_message(crm_ch, "-", CRM_SYSTEM_CIB, "0", "1"); /* Create the mainloop and run it... */ mainloop = g_main_new(FALSE); cl_log(LOG_INFO, "Starting %s", crm_system_name); /* G_main_add_IPC_Channel(G_PRIORITY_LOW, */ /* crm_ch, */ /* FALSE, */ /* cib_msg_callback, */ /* crm_ch, */ /* default_ipc_input_destroy); */ #ifdef REALTIME_SUPPORT if (crm_realtime == 1) { cl_enable_realtime(); } else if (crm_realtime == 0) { cl_disable_realtime(); } cl_make_realtime(SCHED_RR, 5, 64, 64); #endif g_main_run(mainloop); return_to_orig_privs(); } else { cl_log(LOG_ERR, "Connection to CRM not valid, exiting."); } if (unlink(PID_FILE) == 0) { cl_log(LOG_INFO, "[%s] stopped", crm_system_name); } FNRET(0); } gboolean cib_msg_callback(IPC_Channel *sender, void *user_data) { int lpc = 0; char *buffer = NULL; xmlDocPtr doc = NULL; IPC_Message *msg = NULL; gboolean all_is_well = TRUE; xmlNodePtr answer = NULL, root_xml_node = NULL; const char *sys_to; const char *type; FNIN(); while(sender->ops->is_message_pending(sender)) { if (sender->ch_status == IPC_DISCONNECT) { /* The message which was pending for us is that * the IPC status is now IPC_DISCONNECT */ break; } if (sender->ops->recv(sender, &msg) != IPC_OK) { perror("Receive failure:"); FNRET(!all_is_well); } if (msg == NULL) { cl_log(LOG_ERR, "No message this time"); continue; } lpc++; /* the docs say only do this once, but in their code * they do it every time! */ // xmlInitParser(); buffer = (char*)msg->msg_body; cl_log(LOG_DEBUG, "Message %d [text=%s]", lpc, buffer); doc = xmlParseMemory(cl_strdup(buffer), strlen(buffer)); if(doc == NULL) { cl_log(LOG_INFO, "XML Buffer was not valid...\n Buffer: (%s)", buffer); } root_xml_node = xmlDocGetRootElement(doc); sys_to= xmlGetProp(root_xml_node, XML_ATTR_SYSTO); type = xmlGetProp(root_xml_node, XML_ATTR_MSGTYPE); if (root_xml_node == NULL) { cl_log(LOG_ERR, "Root node was NULL!!"); } else if(sys_to == NULL) { cl_log(LOG_ERR, "Value of %s was NULL!!", XML_ATTR_SYSTO); } else if(type == NULL) { cl_log(LOG_ERR, "Value of %s was NULL!!", XML_ATTR_MSGTYPE); } else if(strcmp(type, XML_ATTR_REQUEST) != 0) { cl_log(LOG_INFO, "Message was a response not a request." " Discarding"); } else if (strcmp(sys_to, CRM_SYSTEM_CIB) == 0 || strcmp(sys_to, CRM_SYSTEM_DCIB) == 0) { answer = process_cib_message(root_xml_node, TRUE); if (send_xmlipc_message(sender, answer)==FALSE) cl_log(LOG_WARNING, "Cib answer could not be sent"); } else { cl_log(LOG_WARNING, "Received a message destined for %s by mistake", sys_to); } if(answer != NULL) free_xml(answer); msg->msg_done(msg); msg = NULL; } // clean up after a break if(msg != NULL) msg->msg_done(msg); if(root_xml_node != NULL) free_xml(root_xml_node); - CRM_DEBUG2("Processed %d messages", lpc); + CRM_DEBUG("Processed %d messages", lpc); if (sender->ch_status == IPC_DISCONNECT) { cl_log(LOG_ERR, "The server has left us: Shutting down...NOW"); exit(1); // shutdown properly later FNRET(!all_is_well); } FNRET(all_is_well); } void usage(const char* cmd, int exit_status) { FILE* stream; stream = exit_status ? stderr : stdout; fprintf(stream, "usage: %s [-srkh]" "[-c configure file]\n", cmd); /* fprintf(stream, "\t-d\tsets debug level\n"); */ /* fprintf(stream, "\t-s\tgets daemon status\n"); */ /* fprintf(stream, "\t-r\trestarts daemon\n"); */ /* fprintf(stream, "\t-k\tstops daemon\n"); */ /* fprintf(stream, "\t-h\thelp message\n"); */ fflush(stream); exit(exit_status); } void cib_shutdown(int nsig) { static int shuttingdown = 0; CL_SIGNAL(nsig, cib_shutdown); if (!shuttingdown) { shuttingdown = 1; } if (mainloop != NULL && g_main_is_running(mainloop)) { g_main_quit(mainloop); } else { exit(LSB_EXIT_OK); } } diff --git a/crm/cib/cibmessages.c b/crm/cib/cibmessages.c index 7b1133042f..4f15bb416c 100644 --- a/crm/cib/cibmessages.c +++ b/crm/cib/cibmessages.c @@ -1,463 +1,463 @@ -/* $Id: cibmessages.c,v 1.31 2004/04/15 00:34:06 msoffen Exp $ */ +/* $Id: cibmessages.c,v 1.32 2004/04/29 15:33:03 andrew Exp $ */ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include enum cib_result updateList(xmlNodePtr local_cib, xmlNodePtr update_command, xmlNodePtr failed, int operation, const char *section); xmlNodePtr createCibFragmentAnswer(const char *section, xmlNodePtr failed); gboolean replace_section(const char *section, xmlNodePtr tmpCib, xmlNodePtr command); gboolean check_generation(xmlNodePtr newCib, xmlNodePtr oldCib); gboolean update_results(xmlNodePtr failed, xmlNodePtr target, int operation, int return_code); xmlNodePtr cib_process_request(const char *op, const xmlNodePtr options, const xmlNodePtr fragment, enum cib_result *result) { const char *verbose = NULL; const char *section = NULL; const char *output_section = NULL; xmlNodePtr failed = NULL; xmlNodePtr cib_answer = NULL; gboolean update_the_cib = FALSE; int cib_update_op = CIB_OP_NONE; xmlNodePtr tmpCib; char *new_value = NULL; char *old_value = NULL; int int_value = -1; FNIN(); *result = CIBRES_OK; verbose = xmlGetProp(options, XML_ATTR_VERBOSE); section = xmlGetProp(options, XML_ATTR_FILTER_TYPE); failed = create_xml_node(NULL, XML_TAG_FAILED); cl_log(LOG_DEBUG, "[cib] Processing \"%s\" event", op); if(op == NULL) { *result = CIBRES_FAILED; cl_log(LOG_ERR, "No operation specified\n"); } else if(strcmp("noop", op) == 0) { ; } else if(strcmp("quit", op) == 0) { cl_log(LOG_WARNING, "The CRMd has asked us to exit... complying"); exit(0); } else if (strcmp(CRM_OPERATION_PING, op) == 0) { cib_answer = createPingAnswerFragment(CRM_SYSTEM_CIB, "ok"); } else if (strcmp(CRM_OPERATION_BUMP, op) == 0) { tmpCib = get_cib_copy(); - CRM_DEBUG3("Handling a %s for section=%s of the cib", + CRM_DEBUG("Handling a %s for section=%s of the cib", CRM_OPERATION_BUMP, section); // modify the timestamp set_node_tstamp(tmpCib); old_value = xmlGetProp(get_the_CIB(), XML_ATTR_GENERATION); if(old_value != NULL) { new_value = (char*)cl_malloc(128*(sizeof(char))); int_value = atoi(old_value); sprintf(new_value, "%d", ++int_value); } else { new_value = cl_strdup("0"); } cl_log(LOG_DEBUG, "Generation %d(%s)->%s", int_value, old_value, new_value); set_xml_property_copy(tmpCib, XML_ATTR_GENERATION, new_value); cl_free(new_value); if(activateCibXml(tmpCib, CIB_FILENAME) >= 0) { verbose = "true"; } else { *result = CIBRES_FAILED; } } else if (strcmp("query", op) == 0) { - CRM_DEBUG2("Handling a query for section=%s of the cib", + CRM_DEBUG("Handling a query for section=%s of the cib", section); /* force a pick-up of the relevant section before * returning */ verbose = "true"; } else if (strcmp(CRM_OPERATION_ERASE, op) == 0) { xmlNodePtr new_cib = createEmptyCib(); // Preserve generation counters etc copy_in_properties(new_cib, get_the_CIB()); if (activateCibXml(new_cib, CIB_FILENAME) < 0) { *result = CIBRES_FAILED; } } else if (strcmp(CRM_OPERATION_CREATE, op) == 0) { update_the_cib = TRUE; cib_update_op = CIB_OP_ADD; } else if (strcmp(CRM_OPERATION_UPDATE, op) == 0 || strcmp(CRM_OPERATION_WELCOME, op) == 0 || strcmp(CRM_OPERATION_SHUTDOWN_REQ, op) == 0) { update_the_cib = TRUE; cib_update_op = CIB_OP_MODIFY; } else if (strcmp(CRM_OPERATION_DELETE, op) == 0) { update_the_cib = TRUE; cib_update_op = CIB_OP_DELETE; } else if (strcmp(CRM_OPERATION_REPLACE, op) == 0) { - CRM_DEBUG2("Replacing section=%s of the cib", section); + CRM_DEBUG("Replacing section=%s of the cib", section); section = xmlGetProp(fragment, XML_ATTR_SECTION); if (section == NULL || strlen(section) == 0 || strcmp("all", section) == 0) { tmpCib = copy_xml_node_recursive( find_xml_node(fragment, XML_TAG_CIB)); } else { tmpCib = copy_xml_node_recursive(get_the_CIB()); replace_section(section, tmpCib, fragment); } /*if(check_generation(cib_updates, tmpCib) == FALSE) *result = "discarded old update"; else */ if (activateCibXml(tmpCib, CIB_FILENAME) < 0) *result = CIBRES_FAILED; } else { *result = CIBRES_FAILED_NOTSUPPORTED; cl_log(LOG_ERR, "Action [%s] is not supported by the CIB", op); } if (update_the_cib) { CRM_DEBUG("Backing up CIB"); tmpCib = copy_xml_node_recursive(get_the_CIB()); section = xmlGetProp(fragment, XML_ATTR_SECTION); - CRM_DEBUG3("Updating section=%s of the cib (op=%s)", + CRM_DEBUG("Updating section=%s of the cib (op=%s)", section, op); // should we be doing this? // do logging // make changes to a temp copy then activate if(section == NULL) { cl_log(LOG_ERR, "No section specified in %s", XML_ATTR_FILTER_TYPE); *result = CIBRES_FAILED_NOSECTION; } else if(strcmp("all", section) == 0 && cib_update_op == CIB_OP_DELETE) { // delete /* order is no longer important here */ updateList(tmpCib, fragment, failed, cib_update_op, XML_CIB_TAG_STATUS); updateList(tmpCib, fragment, failed, cib_update_op, XML_CIB_TAG_CONSTRAINTS); updateList(tmpCib, fragment, failed, cib_update_op, XML_CIB_TAG_RESOURCES); updateList(tmpCib, fragment, failed, cib_update_op, XML_CIB_TAG_NODES); } else if(strcmp("all", section) == 0) { /* order is no longer important here */ updateList(tmpCib, fragment, failed, cib_update_op, XML_CIB_TAG_NODES); updateList(tmpCib, fragment, failed, cib_update_op, XML_CIB_TAG_RESOURCES); updateList(tmpCib, fragment, failed, cib_update_op, XML_CIB_TAG_CONSTRAINTS); updateList(tmpCib, fragment, failed, cib_update_op, XML_CIB_TAG_STATUS); } else { *result = updateList(tmpCib, fragment, failed, cib_update_op, section); } CRM_DEBUG("Activating temporary CIB"); /* if(check_generation(cib_updates, tmpCib) == FALSE) */ /* status = "discarded old update"; */ /* else */ if (activateCibXml(tmpCib, CIB_FILENAME) < 0) { *result = CIBRES_FAILED_ACTIVATION; } else if (failed->children != NULL) { *result = CIBRES_FAILED; } - CRM_DEBUG2("CIB update status: %d", *result); + CRM_DEBUG("CIB update status: %d", *result); } output_section = section; if (failed->children != NULL || *result != CIBRES_OK) { cib_answer = createCibFragmentAnswer(NULL /*"all"*/, failed); } else if (verbose != NULL && strcmp("true", verbose) == 0) { cib_answer = createCibFragmentAnswer(output_section, failed); } free_xml(failed); FNRET(cib_answer); } gboolean replace_section(const char *section, xmlNodePtr tmpCib, xmlNodePtr fragment) { xmlNodePtr parent = NULL, cib_updates = NULL, new_section = NULL, old_section = NULL; FNIN(); cib_updates = find_xml_node(fragment, XML_TAG_CIB); /* find the old and new versions of the section */ new_section = get_object_root(section, cib_updates); old_section = get_object_root(section, tmpCib); if(old_section == NULL) { cl_log(LOG_ERR, "The CIB is corrupt, cannot replace missing section %s", section); FNRET(FALSE); } else if(new_section == NULL) { cl_log(LOG_ERR, "The CIB is corrupt, cannot set section %s to nothing", section); FNRET(FALSE); } parent = old_section->parent; /* unlink and free the old one */ unlink_xml_node(old_section); free_xml(old_section); /* add the new copy */ add_node_copy(parent, new_section); FNRET(TRUE); } enum cib_result updateList(xmlNodePtr local_cib, xmlNodePtr update_fragment, xmlNodePtr failed, int operation, const char *section) { xmlNodePtr child = NULL; xmlNodePtr this_section = get_object_root(section, local_cib); xmlNodePtr cib_updates = find_xml_node(update_fragment, XML_TAG_CIB); xmlNodePtr xml_section = get_object_root(section, cib_updates); if (section == NULL || xml_section == NULL) { cl_log(LOG_ERR, "Section %s not found in message." " CIB update is corrupt, ignoring.", section); return CIBRES_FAILED_NOSECTION; } if(CIB_OP_NONE > operation > CIB_OP_MAX) { cl_log(LOG_ERR, "Invalid operation on section %s", section); return CIBRES_FAILED; } set_node_tstamp(this_section); child = xml_section->children; while(child != NULL) { if(operation == CIB_OP_DELETE) { update_results(failed, child, operation, delete_cib_object(this_section, child)); } else if(operation == CIB_OP_MODIFY) { update_results(failed, child, operation, update_cib_object(this_section, child, FALSE)); } else { update_results(failed, child, operation, add_cib_object(this_section, child)); } child = child->next; } if (failed->children != NULL) return CIBRES_FAILED; else return CIBRES_OK; } xmlNodePtr createCibFragmentAnswer(const char *section, xmlNodePtr failed) { xmlNodePtr fragment = create_xml_node(NULL, XML_TAG_FRAGMENT); FNIN(); set_xml_property_copy(fragment, XML_ATTR_SECTION, section); if (section == NULL || strlen(section) == 0 || strcmp("all", section) == 0) { add_node_copy(fragment, get_the_CIB()); } else { xmlNodePtr cib = create_xml_node(fragment, XML_TAG_CIB); add_node_copy(cib, get_object_root(section, get_the_CIB())); copy_in_properties(cib, get_the_CIB()); } if (failed != NULL && failed->children != NULL) { add_node_copy(fragment, failed); } FNRET(fragment); } gboolean check_generation(xmlNodePtr newCib, xmlNodePtr oldCib) { char *new_value = xmlGetProp(newCib, XML_ATTR_GENERATION); char *old_value = xmlGetProp(oldCib, XML_ATTR_GENERATION); int int_new_value = -1; int int_old_value = -1; if(old_value != NULL) int_old_value = atoi(old_value); if(new_value != NULL) int_new_value = atoi(new_value); if(int_new_value >= int_old_value) { return TRUE; } else { cl_log(LOG_ERR, "Generation from update (%d) is older than %d", int_new_value, int_old_value); } return FALSE; } gboolean update_results(xmlNodePtr failed, xmlNodePtr target, int operation, int return_code) { gboolean was_error = FALSE; const char *error_msg = NULL; const char *operation_msg = NULL; xmlNodePtr xml_node; FNIN(); if (return_code != CIBRES_OK) { error_msg = cib_error2string(return_code); operation_msg = cib_op2string(operation); xml_node = create_xml_node(failed, XML_FAIL_TAG_CIB); was_error = TRUE; set_xml_property_copy(xml_node, XML_FAILCIB_ATTR_ID, ID(target)); set_xml_property_copy(xml_node, XML_FAILCIB_ATTR_OBJTYPE, TYPE(target)); set_xml_property_copy(xml_node, XML_FAILCIB_ATTR_OP, operation_msg); set_xml_property_copy(xml_node, XML_FAILCIB_ATTR_REASON, error_msg); cl_log(LOG_DEBUG, "Action %s failed: %s (cde=%d)", operation_msg, error_msg, return_code); } FNRET(was_error); } diff --git a/crm/cib/cibprimatives.c b/crm/cib/cibprimatives.c index 8a83cbfe51..5de583c901 100644 --- a/crm/cib/cibprimatives.c +++ b/crm/cib/cibprimatives.c @@ -1,590 +1,590 @@ -/* $Id: cibprimatives.c,v 1.25 2004/04/15 08:31:13 andrew Exp $ */ +/* $Id: cibprimatives.c,v 1.26 2004/04/29 15:33:03 andrew Exp $ */ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * In case of confusion, this is the memory management policy for * all functions in this file. * * All add/modify functions use copies of supplied data. * It is therefore appropriate that the callers free the supplied data * at some point after the function has finished. * * All delete functions will handle the freeing of deleted data * but not the function arguments. */ void update_node_state(xmlNodePtr existing_node, xmlNodePtr update); //--- Resource int addResource(xmlNodePtr cib, xmlNodePtr anXmlNode) { const char *id = ID(anXmlNode); xmlNodePtr root; if (id == NULL || strlen(id) < 1) { return CIBRES_MISSING_ID; } - CRM_DEBUG2("Adding " XML_CIB_TAG_RESOURCE " (%s)...", id); + CRM_DEBUG("Adding " XML_CIB_TAG_RESOURCE " (%s)...", id); root = get_object_root(XML_CIB_TAG_RESOURCES, cib); return add_cib_object(root, anXmlNode); } xmlNodePtr findResource(xmlNodePtr cib, const char *id) { xmlNodePtr root = NULL, ret = NULL; FNIN(); root = get_object_root(XML_CIB_TAG_RESOURCES, cib); ret = find_entity(root, XML_CIB_TAG_RESOURCE, id, FALSE); FNRET(ret); } int updateResource(xmlNodePtr cib, xmlNodePtr anXmlNode) { const char *id = ID(anXmlNode); xmlNodePtr root; if (id == NULL || strlen(id) < 1) { return CIBRES_MISSING_ID; } - CRM_DEBUG2("Updating " XML_CIB_TAG_RESOURCE " (%s)...", id); + CRM_DEBUG("Updating " XML_CIB_TAG_RESOURCE " (%s)...", id); root = get_object_root(XML_CIB_TAG_RESOURCES, cib); return update_cib_object(root, anXmlNode, FALSE); } int delResource(xmlNodePtr cib, xmlNodePtr delete_spec) { const char *id = ID(delete_spec); xmlNodePtr root; if(id == NULL || strlen(id) == 0) { return CIBRES_MISSING_ID; } - CRM_DEBUG2("Deleting " XML_CIB_TAG_RESOURCE " (%s)...", id); + CRM_DEBUG("Deleting " XML_CIB_TAG_RESOURCE " (%s)...", id); root = get_object_root(XML_CIB_TAG_RESOURCES, cib); return delete_cib_object(root, delete_spec); } //--- Constraint int addConstraint(xmlNodePtr cib, xmlNodePtr anXmlNode) { const char *id = ID(anXmlNode); xmlNodePtr root; if (id == NULL || strlen(id) < 1) { return CIBRES_MISSING_ID; } - CRM_DEBUG2("Adding " XML_CIB_TAG_CONSTRAINT " (%s)...", id); + CRM_DEBUG("Adding " XML_CIB_TAG_CONSTRAINT " (%s)...", id); root = get_object_root(XML_CIB_TAG_CONSTRAINTS, cib); return add_cib_object(root, anXmlNode); } xmlNodePtr findConstraint(xmlNodePtr cib, const char *id) { xmlNodePtr root = NULL, ret = NULL; FNIN(); root = get_object_root(XML_CIB_TAG_CONSTRAINTS, cib); ret = find_entity(root, XML_CIB_TAG_CONSTRAINT, id, FALSE); FNRET(ret); } int updateConstraint(xmlNodePtr cib, xmlNodePtr anXmlNode) { const char *id = ID(anXmlNode); xmlNodePtr root; if (id == NULL || strlen(id) < 1) { return CIBRES_MISSING_ID; } - CRM_DEBUG2("Updating " XML_CIB_TAG_CONSTRAINT " (%s)...", id); + CRM_DEBUG("Updating " XML_CIB_TAG_CONSTRAINT " (%s)...", id); root = get_object_root(XML_CIB_TAG_CONSTRAINTS, cib); return update_cib_object(root, anXmlNode, FALSE); } int delConstraint(xmlNodePtr cib, xmlNodePtr delete_spec) { const char *id = ID(delete_spec); xmlNodePtr root; if(id == NULL || strlen(id) == 0) { return CIBRES_MISSING_ID; } - CRM_DEBUG2("Deleting " XML_CIB_TAG_CONSTRAINT " (%s)...", id); + CRM_DEBUG("Deleting " XML_CIB_TAG_CONSTRAINT " (%s)...", id); root = get_object_root(XML_CIB_TAG_CONSTRAINTS, cib); return delete_cib_object(root, delete_spec); } //--- HaNode int addHaNode(xmlNodePtr cib, xmlNodePtr anXmlNode) { const char *id = ID(anXmlNode); xmlNodePtr root; if (id == NULL || strlen(id) < 1) { return CIBRES_MISSING_ID; } - CRM_DEBUG2("Adding " XML_CIB_TAG_NODE " (%s)...", id); + CRM_DEBUG("Adding " XML_CIB_TAG_NODE " (%s)...", id); root = get_object_root(XML_CIB_TAG_NODES, cib); return add_cib_object(root, anXmlNode); } xmlNodePtr findHaNode(xmlNodePtr cib, const char *id) { xmlNodePtr root = NULL, ret = NULL; FNIN(); root = get_object_root(XML_CIB_TAG_NODES, cib); ret = find_entity(root, XML_CIB_TAG_NODE, id, FALSE); FNRET(ret); } int updateHaNode(xmlNodePtr cib, cibHaNode *anXmlNode) { const char *id = ID(anXmlNode); xmlNodePtr root; if (id == NULL || strlen(id) < 1) { return CIBRES_MISSING_ID; } - CRM_DEBUG2("Updating " XML_CIB_TAG_NODE " (%s)...", id); + CRM_DEBUG("Updating " XML_CIB_TAG_NODE " (%s)...", id); root = get_object_root(XML_CIB_TAG_NODES, cib); return update_cib_object(root, anXmlNode, FALSE); } int delHaNode(xmlNodePtr cib, xmlNodePtr delete_spec) { const char *id = ID(delete_spec); xmlNodePtr root; if(id == NULL || strlen(id) == 0) { return CIBRES_MISSING_ID; } - CRM_DEBUG2("Deleting " XML_CIB_TAG_NODE " (%s)...", id); + CRM_DEBUG("Deleting " XML_CIB_TAG_NODE " (%s)...", id); root = get_object_root(XML_CIB_TAG_CONSTRAINTS, cib); return delete_cib_object(root, delete_spec); } //--- Status int addStatus(xmlNodePtr cib, xmlNodePtr anXmlNode) { const char *id = ID(anXmlNode); xmlNodePtr root; if (id == NULL || strlen(id) < 1) { return CIBRES_MISSING_ID; } - CRM_DEBUG2("Adding " XML_CIB_TAG_NODE " (%s)...", id); + CRM_DEBUG("Adding " XML_CIB_TAG_NODE " (%s)...", id); root = get_object_root(XML_CIB_TAG_STATUS, cib); return add_cib_object(root, anXmlNode); } xmlNodePtr findStatus(xmlNodePtr cib, const char *id) { xmlNodePtr root = NULL, ret = NULL; root = get_object_root(XML_CIB_TAG_STATUS, cib); ret = find_entity(root, XML_CIB_TAG_STATE, id, FALSE); FNRET(ret); } int updateStatus(xmlNodePtr cib, xmlNodePtr anXmlNode) { const char *id = ID(anXmlNode); xmlNodePtr root; if (id == NULL || strlen(id) < 1) { return CIBRES_MISSING_ID; } - CRM_DEBUG2("Updating " XML_CIB_TAG_NODE " (%s)...", id); + CRM_DEBUG("Updating " XML_CIB_TAG_NODE " (%s)...", id); root = get_object_root(XML_CIB_TAG_STATUS, cib); return update_cib_object(root, anXmlNode, FALSE); } int delStatus(xmlNodePtr cib, xmlNodePtr delete_spec) { const char *id = ID(delete_spec); xmlNodePtr root; if(id == NULL || strlen(id) == 0) { return CIBRES_MISSING_ID; } - CRM_DEBUG2("Deleting " XML_CIB_TAG_STATE " (%s)...", id); + CRM_DEBUG("Deleting " XML_CIB_TAG_STATE " (%s)...", id); root = get_object_root(XML_CIB_TAG_STATUS, cib); return delete_cib_object(root, delete_spec); } int delete_cib_object(xmlNodePtr parent, xmlNodePtr delete_spec) { const char *object_name = NULL; const char *object_id = NULL; xmlNodePtr equiv_node = NULL; xmlNodePtr children = NULL; int result = CIBRES_OK; if(delete_spec == NULL) { return CIBRES_FAILED_NOOBJECT; } else if(parent == NULL) { return CIBRES_FAILED_NOPARENT; } object_name = delete_spec->name; object_id = xmlGetProp(delete_spec, XML_ATTR_ID); children = delete_spec->children; if(object_id == NULL) { // placeholder object equiv_node = find_xml_node(parent, object_name); } else { equiv_node = find_entity(parent, object_name, object_id, FALSE); } if(equiv_node == NULL) { return CIBRES_FAILED_NOTEXISTS; } else if(children == NULL) { // only leaves are deleted unlink_xml_node(equiv_node); free_xml(equiv_node); } else { while(children != NULL) { int tmp_result = delete_cib_object(equiv_node, children); // only the first error is likely to be interesting if(tmp_result != CIBRES_OK && result == CIBRES_OK) { result = tmp_result; } children = children->next; } } return result; } int add_cib_object(xmlNodePtr parent, xmlNodePtr new_obj) { const char *object_name = NULL; const char *object_id = NULL; xmlNodePtr equiv_node = NULL; xmlNodePtr children = NULL; if(new_obj == NULL) { return CIBRES_FAILED_NOOBJECT; } else if(parent == NULL) { return CIBRES_FAILED_NOPARENT; } object_name = new_obj->name; object_id = xmlGetProp(new_obj, XML_ATTR_ID); children = new_obj->children; if(object_id == NULL) { // placeholder object equiv_node = find_xml_node(parent, object_name); } else { equiv_node = find_entity(parent, object_name, object_id, FALSE); } if(equiv_node != NULL) { return CIBRES_FAILED_EXISTS; } else if(add_node_copy(parent, new_obj) == NULL) { return CIBRES_FAILED_NODECOPY; } return CIBRES_OK; } int update_cib_object(xmlNodePtr parent, xmlNodePtr new_obj, gboolean force) { const char *object_name = NULL; const char *object_id = NULL; xmlNodePtr equiv_node = NULL; xmlNodePtr children = NULL; int result = CIBRES_OK; if(new_obj == NULL) { return CIBRES_FAILED_NOOBJECT; } else if(parent == NULL) { return CIBRES_FAILED_NOPARENT; } object_name = new_obj->name; object_id = xmlGetProp(new_obj, XML_ATTR_ID); children = new_obj->children; if(object_id == NULL) { // placeholder object equiv_node = find_xml_node(parent, object_name); } else { equiv_node = find_entity(parent, object_name, object_id, FALSE); } if(equiv_node != NULL) { if(force == FALSE) { const char *ts_existing = NULL; const char *ts_new = NULL; /* default to false? * * that would mean every node would have to * carry a timestamp */ gboolean is_update = TRUE; ts_existing = TSTAMP(equiv_node); ts_new = TSTAMP(new_obj); if(ts_new != NULL && ts_existing != NULL) { is_update = (strcmp(ts_new, ts_existing) > 0); } if(is_update == FALSE) { cl_log(LOG_ERR, "Ignoring old update to <%s id=\"%s\">" "(%s vs. %s)", object_name, object_id, ts_new, ts_existing); return CIBRES_FAILED_STALE; } } if(safe_str_eq(XML_CIB_TAG_STATE, object_name)){ update_node_state(equiv_node, new_obj); } else { copy_in_properties(equiv_node, new_obj); } while(children != NULL) { int tmp_result = update_cib_object(equiv_node, children,force); // only the first error is likely to be interesting if(tmp_result != CIBRES_OK && result == CIBRES_OK) { result = tmp_result; } children = children->next; } } else if(add_node_copy(parent, new_obj) == NULL) { return CIBRES_FAILED_NODECOPY; } return result; } void update_node_state(xmlNodePtr target, xmlNodePtr update) { gboolean any_updates = FALSE; gboolean replace_lrm = FALSE; const char *old_state = xmlGetProp(target, "state"); const char *old_unclean = xmlGetProp(target, "unclean"); const char *source = NULL; const char *unclean = NULL; const char *exp_state = NULL; const char *state = NULL; xmlAttrPtr prop_iter = NULL; FNIN(); prop_iter = update->properties; while(prop_iter != NULL) { const char *local_prop_name = prop_iter->name; const char *local_prop_value = xmlGetProp(update, local_prop_name); if(local_prop_name == NULL) { // error } else if(strcmp(local_prop_name, "replace_lrm") == 0) { replace_lrm = TRUE; any_updates = TRUE; } else if(strcmp(local_prop_name, "source") == 0) { source = local_prop_value; } else if(strcmp(local_prop_name, "state") == 0) { state = local_prop_value; } else { any_updates = TRUE; set_xml_property_copy(target, local_prop_name, local_prop_value); } prop_iter = prop_iter->next; } unclean = xmlGetProp(target, "unclean"); exp_state = xmlGetProp(target, "exp_state"); if(safe_str_eq(state, "in_ccm")) { if(safe_str_eq(old_state, "active")) { state = "active"; } else { any_updates = TRUE; } } else if(safe_str_eq(state, "down")) { any_updates = TRUE; if(safe_str_neq(exp_state, "down")) { // TODO: Set the actual time // TODO: Only if not set? if(old_unclean == NULL) { set_xml_property_copy(target, "unclean", "time"); } // TODO: unset source? } } else if(state != NULL) { any_updates = TRUE; } if(replace_lrm) { xmlNodePtr lrm = find_xml_node(target, "lrm"); xmlUnlinkNode(lrm); free_xml(lrm); } set_xml_property_copy(target, "state", state); if(any_updates) { set_node_tstamp(target); set_xml_property_copy(target, "source", source); } } diff --git a/crm/common/ipcutils.c b/crm/common/ipcutils.c index 529b8f21ba..c448d5ebf9 100644 --- a/crm/common/ipcutils.c +++ b/crm/common/ipcutils.c @@ -1,552 +1,552 @@ -/* $Id: ipcutils.c,v 1.22 2004/04/15 00:35:19 msoffen Exp $ */ +/* $Id: ipcutils.c,v 1.23 2004/04/29 15:33:03 andrew Exp $ */ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include //#include // for getNow() #include /* #include #include */ #include #include #include #include FILE *msg_out_strm = NULL; IPC_Message *create_simple_message(char *text, IPC_Channel *ch); void LinkStatus(const char * node, const char * lnk, const char * status ,void * private) { // put something here } gboolean send_xmlipc_message(IPC_Channel *ipc_client, xmlNodePtr msg) { char *xml_message = NULL; IPC_Message *cib_dump = NULL; gboolean res; FNIN(); xml_message = dump_xml(msg); cib_dump = create_simple_message(xml_message, ipc_client); res = send_ipc_message(ipc_client, cib_dump); cl_free(xml_message); xml_message_debug(msg, "Sent IPC Message"); FNRET(res); } gboolean send_xmlha_message(ll_cluster_t *hb_fd, xmlNodePtr root) { gboolean broadcast = FALSE; gboolean all_is_good = TRUE; int send_result = -1; int xml_len = -1; const char *host_to = NULL; const char *sys_to = NULL; struct ha_msg *msg = NULL; char *xml_text; #ifdef MSG_LOG char *msg_text = NULL; #endif FNIN(); if (root == NULL) { cl_log(LOG_ERR, "Attempt to send NULL Message via HA failed."); all_is_good = FALSE; } host_to = xmlGetProp(root, XML_ATTR_HOSTTO); sys_to = xmlGetProp(root, XML_ATTR_SYSTO); if (sys_to != NULL && strcmp("dc", sys_to) == 0) { cl_log(LOG_INFO, "Resetting the value of %s to null from %s", XML_ATTR_HOSTTO, host_to); // xmlSetProp(root, XML_ATTR_HOSTTO, ""); } if (all_is_good) { msg = ha_msg_new(4); ha_msg_add(msg, F_TYPE, "CRM"); ha_msg_add(msg, F_COMMENT, "A CRM xml message"); xml_text = dump_xml(root); xml_len = strlen(xml_text); if (xml_text == NULL || xml_len <= 0) { cl_log(LOG_ERR, "Failed sending an invalid XML Message via HA"); all_is_good = FALSE; xml_message_debug(root, "Bad message was"); } else { if(ha_msg_add(msg, "xml", xml_text) == HA_FAIL) { cl_log(LOG_ERR, "Could not add xml to HA message"); all_is_good = FALSE; } } } if (all_is_good) { if (sys_to == NULL || strlen(sys_to) == 0) { cl_log(LOG_ERR, "You did not specify a destination sub-system" " for this message."); all_is_good = FALSE; } } /* There are a number of messages may not need to be ordered. * At a later point perhaps we should detect them and send them * as unordered messages. */ if (all_is_good) { if (host_to == NULL || strlen(host_to) == 0 || strcmp("dc", sys_to) == 0) { broadcast = TRUE; send_result = hb_fd->llc_ops->send_ordered_clustermsg(hb_fd, msg); } else { send_result = hb_fd->llc_ops->send_ordered_nodemsg(hb_fd, msg, host_to); } if(send_result != HA_OK) all_is_good = FALSE; } if(!all_is_good) { cl_log(LOG_ERR, "Sending %s HA message (ref=%s, len=%d) to %s@%s %s.", broadcast?"broadcast":"directed", xmlGetProp(root, XML_ATTR_REFERENCE), xml_len, sys_to, host_to==NULL?"":host_to, all_is_good?"succeeded":"failed"); } else { xmlNodePtr opts = find_xml_node(root, XML_TAG_OPTIONS); const char *op = xmlGetProp(opts, XML_ATTR_OP); if(op == NULL || strcmp(op, CRM_OPERATION_HBEAT) != 0) { cl_log(LOG_DEBUG, "Sent %s HA message (ref=%s, len=%d) to %s@%s", broadcast?"broadcast":"directed", xmlGetProp(root, XML_ATTR_REFERENCE), xml_len, sys_to, host_to==NULL?"":host_to); } } #ifdef MSG_LOG msg_text = dump_xml(root); if(msg_out_strm == NULL) { msg_out_strm = fopen("/tmp/outbound.log", "w"); } fprintf(msg_out_strm, "[%d HA (%s:%d)]\t%s\n", all_is_good, xmlGetProp(root, XML_ATTR_REFERENCE), send_result, msg_text); fflush(msg_out_strm); cl_free(msg_text); #endif FNRET(all_is_good); } gboolean send_ipc_message(IPC_Channel *ipc_client, IPC_Message *msg) { gboolean all_is_good = TRUE; int lpc = 0; FNIN(); if (msg == NULL) { cl_log(LOG_WARNING, "cant send NULL message"); all_is_good = FALSE; } else if (msg->msg_len <= 0) { cl_log(LOG_WARNING, "cant send 0 sized message"); all_is_good = FALSE; } else if (msg->msg_len > MAXDATASIZE) { cl_log(LOG_WARNING, "cant send msg... too big"); all_is_good = FALSE; } -/* CRM_DEBUG2("Sending message: %s", (char*)msg->msg_body); */ - CRM_DEBUG2("Message is%s valid to send", all_is_good?"":" not"); +/* CRM_DEBUG("Sending message: %s", (char*)msg->msg_body); */ + CRM_DEBUG("Message is%s valid to send", all_is_good?"":" not"); if (ipc_client == NULL) { all_is_good = FALSE; } - CRM_DEBUG2("IPC Client is%s set.", all_is_good?"":" not"); + CRM_DEBUG("IPC Client is%s set.", all_is_good?"":" not"); if (all_is_good) { while(lpc++ < MAX_IPC_FAIL && ipc_client->ops->send(ipc_client, msg) == IPC_FAIL) { cl_log(LOG_WARNING, "ipc channel blocked"); cl_shortsleep(); } } if (lpc == MAX_IPC_FAIL) { cl_log(LOG_ERR, "Could not send IPC, message. Channel is dead."); FNRET(!all_is_good); } - CRM_DEBUG2("Sending of IPC message %s.", + CRM_DEBUG("Sending of IPC message %s.", all_is_good?"succeeded":"failed"); FNRET(all_is_good); } IPC_Message * create_simple_message(char *text, IPC_Channel *ch) { // char str[256]; IPC_Message *ack_msg = NULL; FNIN(); if (text == NULL) FNRET(NULL); ack_msg = (IPC_Message *)cl_malloc(sizeof(IPC_Message)); ack_msg->msg_private = NULL; ack_msg->msg_done = NULL; ack_msg->msg_body = text; ack_msg->msg_ch = ch; ack_msg->msg_len = strlen(text)+1; FNRET(ack_msg); } gboolean default_ipc_input_dispatch(IPC_Channel *client, gpointer user_data) { xmlNodePtr root; xmlNodePtr options; IPC_Message *msg = NULL; const char *op; FNIN(); msg = get_ipc_message(client); if (msg) { root = find_xml_in_ipcmessage(msg, TRUE); validate_crm_message(root, NULL, NULL, NULL); options = find_xml_node(root, XML_TAG_OPTIONS); op = xmlGetProp(options, XML_ATTR_OP); if(op != NULL && strcmp(op, "quit") == 0) { cl_log(LOG_WARNING, "The CRMd has asked us to exit... complying"); exit(0); } } else if (client->ch_status == IPC_DISCONNECT) { cl_log(LOG_ERR, "The server has left us: Shutting down...NOW"); exit(1); /* Server disconnects should be fatal, * but I will do it a little more gracefully :) */ FNRET(FALSE); /* This conection is hosed */ } FNRET(TRUE); /* TOBEDONE */ } xmlNodePtr find_xml_in_hamessage(const struct ha_msg* msg) { const char *xml; xmlDocPtr doc; xmlNodePtr root; FNIN(); if (msg == NULL) { cl_log(LOG_INFO, "**** ha_crm_msg_callback called on a NULL message"); FNRET(NULL); } #if 0 cl_log(LOG_DEBUG, "[F_TYPE=%s]", ha_msg_value(msg, F_TYPE)); cl_log(LOG_DEBUG, "[F_ORIG=%s]", ha_msg_value(msg, F_ORIG)); cl_log(LOG_DEBUG, "[F_TO=%s]", ha_msg_value(msg, F_TO)); cl_log(LOG_DEBUG, "[F_COMMENT=%s]", ha_msg_value(msg, F_COMMENT)); cl_log(LOG_DEBUG, "[F_XML=%s]", ha_msg_value(msg, "xml")); // cl_log(LOG_DEBUG, "[F_=%s]", ha_msg_value(ha_msg, F_)); #endif if (strcmp("CRM", ha_msg_value(msg, F_TYPE)) != 0) { cl_log(LOG_INFO, "Received a (%s) message by mistake.", ha_msg_value(msg, F_TYPE)); FNRET(NULL); } xml = ha_msg_value(msg, "xml"); if (xml == NULL) { cl_log(LOG_INFO, "No XML attached to this message."); FNRET(NULL); } doc = xmlParseMemory(xml, strlen(xml)); if (doc == NULL) { cl_log(LOG_INFO, "XML Buffer was not valid."); FNRET(NULL); } root = xmlDocGetRootElement(doc); if (root == NULL) { cl_log(LOG_INFO, "Root node was NULL."); FNRET(NULL); } FNRET(root); } xmlNodePtr find_xml_in_ipcmessage(IPC_Message *msg, gboolean do_free) { char *buffer = NULL; xmlDocPtr doc; xmlNodePtr root; FNIN(); if (msg == NULL) { CRM_DEBUG("IPC Message was empty..."); FNRET(NULL); } buffer = (char*)msg->msg_body; doc = xmlParseMemory(buffer, strlen(buffer)); if (do_free) msg->msg_done(msg); if (doc == NULL) { cl_log(LOG_INFO, "IPC Message did not contain an XML buffer..."); FNRET(NULL); } root = xmlDocGetRootElement(doc); if (root == NULL) { cl_log(LOG_INFO, "Root node was NULL."); FNRET(NULL); } FNRET(root); } void default_ipc_input_destroy(gpointer user_data) { FNIN(); FNOUT(); } int init_server_ipc_comms( const char *child, gboolean (*channel_client_connect)(IPC_Channel *newclient, gpointer user_data), void (*channel_input_destroy)(gpointer user_data)) { /* the clients wait channel is the other source of events. * This source delivers the clients connection events. * listen to this source at a relatively lower priority. */ char commpath[SOCKET_LEN]; IPC_WaitConnection *wait_ch; FNIN(); sprintf(commpath, WORKING_DIR "/%s", child); wait_ch = wait_channel_init(commpath); if (wait_ch == NULL) FNRET(1); G_main_add_IPC_WaitConnection(G_PRIORITY_LOW, wait_ch, NULL, FALSE, channel_client_connect, wait_ch, // user data passed to ?? channel_input_destroy); cl_log(LOG_DEBUG, "Listening on: %s", commpath); FNRET(0); } IPC_Channel * init_client_ipc_comms(const char *child, gboolean (*dispatch)(IPC_Channel* source_data ,gpointer user_data), crmd_client_t *client_data) { IPC_Channel *ch; GHashTable * attrs; GCHSource *the_source = NULL; void *callback_data = client_data; static char path[] = IPC_PATH_ATTR; char *commpath = NULL; int local_socket_len = 2; // 2 = '/' + '\0' FNIN(); local_socket_len += strlen(child); local_socket_len += strlen(WORKING_DIR); commpath = (char*)cl_malloc(sizeof(char)*local_socket_len); sprintf(commpath, WORKING_DIR "/%s", child); commpath[local_socket_len - 1] = '\0'; cl_log(LOG_DEBUG, "Attempting to talk on: %s", commpath); attrs = g_hash_table_new(g_str_hash,g_str_equal); g_hash_table_insert(attrs, path, commpath); ch = ipc_channel_constructor(IPC_ANYTYPE, attrs); g_hash_table_destroy(attrs); if (ch == NULL) { cl_log(LOG_CRIT, "Could not access channel on: %s", commpath); } else if (ch->ops->initiate_connection(ch) != IPC_OK) { cl_log(LOG_CRIT, "Could not init comms on: %s", commpath); FNRET(NULL); } if(callback_data == NULL) callback_data = ch; ch->ops->set_recv_qlen(ch, 100); ch->ops->set_send_qlen(ch, 100); the_source = G_main_add_IPC_Channel(G_PRIORITY_LOW, ch, FALSE, dispatch, callback_data, default_ipc_input_destroy); if(client_data != NULL) { client_data->client_source = the_source; client_data->client_channel = ch; } FNRET(ch); } IPC_WaitConnection * wait_channel_init(char daemonsocket[]) { IPC_WaitConnection *wait_ch; mode_t mask; char path[] = IPC_PATH_ATTR; GHashTable * attrs; FNIN(); attrs = g_hash_table_new(g_str_hash,g_str_equal); g_hash_table_insert(attrs, path, daemonsocket); mask = umask(0); wait_ch = ipc_wait_conn_constructor(IPC_ANYTYPE, attrs); if (wait_ch == NULL) { cl_perror("Can't create wait channel of type %s", IPC_ANYTYPE); exit(1); } mask = umask(mask); g_hash_table_destroy(attrs); FNRET(wait_ch); } IPC_Message * get_ipc_message(IPC_Channel *a_channel) { IPC_Message *msg = NULL; FNIN(); if(a_channel->ops->is_message_pending(a_channel) == TRUE) { if (a_channel->ch_status == IPC_DISCONNECT) { /* The pending message was IPC_DISCONNECT */ cl_log(LOG_INFO, "get_ipc_message: received HUP"); FNRET(msg); } if(a_channel->ops->recv(a_channel, &msg) != IPC_OK) { perror("Receive failure:"); FNRET(msg); } cl_log(LOG_INFO, "Got message [body=%s]", (char*)msg->msg_body); } FNRET(msg); } diff --git a/crm/common/msgutils.c b/crm/common/msgutils.c index 5726141bf6..192bf7ce47 100644 --- a/crm/common/msgutils.c +++ b/crm/common/msgutils.c @@ -1,736 +1,736 @@ -/* $Id: msgutils.c,v 1.26 2004/04/15 00:35:19 msoffen Exp $ */ +/* $Id: msgutils.c,v 1.27 2004/04/29 15:33:03 andrew Exp $ */ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include xmlNodePtr create_common_message(xmlNodePtr original_request, xmlNodePtr xml_response_data); xmlNodePtr createPingAnswerFragment(const char *from, const char *status) { xmlNodePtr ping = NULL; FNIN(); ping = create_xml_node(NULL, XML_CRM_TAG_PING); set_xml_property_copy(ping, XML_PING_ATTR_STATUS, status); set_xml_property_copy(ping, XML_PING_ATTR_SYSFROM, from); FNRET(ping); } xmlNodePtr createPingRequest(const char *crm_msg_reference, const char *to) { xmlNodePtr root_xml_node = NULL; int sub_type_len; int msg_type_len; char *sub_type_target; char *msg_type_target; FNIN(); // 2 = "_" + '\0' sub_type_len = strlen(to) + strlen(XML_ATTR_REQUEST) + 2; sub_type_target = (char*)cl_malloc(sizeof(char)*(sub_type_len)); sprintf(sub_type_target, "%s_%s", to, XML_ATTR_REQUEST); root_xml_node = create_xml_node(NULL, sub_type_target); set_xml_property_copy(root_xml_node, XML_ATTR_REFERENCE, crm_msg_reference); msg_type_len = strlen(to) + 10 + 1; // + "_operation" + '\0' msg_type_target = (char*)cl_malloc(sizeof(char)*(msg_type_len)); sprintf(msg_type_target, "%s_operation", to); set_xml_property_copy(root_xml_node, msg_type_target, CRM_OPERATION_PING); cl_free(msg_type_target); FNRET(root_xml_node); } static uint ref_counter = 0; const char * generateReference(const char *custom1, const char *custom2) { const char *local_cust1 = custom1; const char *local_cust2 = custom2; int reference_len = 4; char *since_epoch = NULL; FNIN(); reference_len += 20; // too big reference_len += 40; // too big if(local_cust1 == NULL) local_cust1 = "_empty_"; reference_len += strlen(local_cust1); if(local_cust2 == NULL) local_cust2 = "_empty_"; reference_len += strlen(local_cust2); since_epoch = (char*)cl_malloc(reference_len*(sizeof(char))); FNIN(); sprintf(since_epoch, "%s-%s-%ld-%u", local_cust1, local_cust2, (unsigned long)time(NULL), ref_counter++); FNRET(since_epoch); } xmlNodePtr validate_crm_message(xmlNodePtr root_xml_node, const char *sys, const char *uuid, const char *msg_type) { const char *from = NULL; const char *to = NULL; const char *type = NULL; const char *crm_msg_reference = NULL; xmlNodePtr action = NULL; const char *true_sys; FNIN(); if (root_xml_node == NULL) FNRET(NULL); from = xmlGetProp(root_xml_node, XML_ATTR_SYSFROM); to = xmlGetProp(root_xml_node, XML_ATTR_SYSTO); type = xmlGetProp(root_xml_node, XML_ATTR_MSGTYPE); crm_msg_reference = xmlGetProp(root_xml_node, XML_ATTR_REFERENCE); /* cl_log(LOG_DEBUG, "Recieved XML message with (version=%s)", xmlGetProp(root_xml_node, XML_ATTR_VERSION)); cl_log(LOG_DEBUG, "Recieved XML message with (from=%s)", from); cl_log(LOG_DEBUG, "Recieved XML message with (to=%s)" , to); cl_log(LOG_DEBUG, "Recieved XML message with (type=%s)", type); cl_log(LOG_DEBUG, "Recieved XML message with (ref=%s)" , crm_msg_reference); */ action = root_xml_node; true_sys = sys; if (uuid != NULL) true_sys = generate_hash_key(sys, uuid); if (to == NULL) { cl_log(LOG_INFO, "No sub-system defined."); action = NULL; } else if (true_sys != NULL && strcmp(to, true_sys) != 0) { cl_log(LOG_DEBUG, "The message is not for this sub-system (%s != %s).", to, true_sys); action = NULL; } if (type == NULL) { cl_log(LOG_INFO, "No message type defined."); FNRET(NULL); } else if (msg_type != NULL && strcmp(msg_type, type) != 0) { cl_log(LOG_INFO, "Expecting a (%s) message but receieved a (%s).", msg_type, type); action = NULL; } if (crm_msg_reference == NULL) { cl_log(LOG_INFO, "No message crm_msg_reference defined."); action = NULL; } /* if(action != NULL) cl_log(LOG_DEBUG, "XML is valid and node with message type (%s) found.", type); cl_log(LOG_DEBUG, "Returning node (%s)", xmlGetNodePath(action)); */ FNRET(action); } gboolean decodeNVpair(const char *srcstring, char separator, char **name, char **value) { int lpc = 0; int len = 0; const char *temp = NULL; FNIN(); - CRM_DEBUG2("Attempting to decode: [%s]", srcstring); + CRM_DEBUG("Attempting to decode: [%s]", srcstring); if (srcstring != NULL) { len = strlen(srcstring); while(lpc < len) { if (srcstring[lpc++] == separator) { *name = (char*)cl_malloc(sizeof(char)*lpc); - CRM_DEBUG2("Malloc ok %d", lpc); + CRM_DEBUG("Malloc ok %d", lpc); strncpy(*name, srcstring, lpc-1); - CRM_DEBUG2("Strcpy ok %d", lpc-1); + CRM_DEBUG("Strcpy ok %d", lpc-1); (*name)[lpc-1] = '\0'; - CRM_DEBUG2("Found token [%s]", *name); + CRM_DEBUG("Found token [%s]", *name); // this sucks but as the strtok *is* a bug len = len-lpc+1; *value = (char*)cl_malloc(sizeof(char)*len); - CRM_DEBUG2("Malloc ok %d", len); + CRM_DEBUG("Malloc ok %d", len); temp = srcstring+lpc; CRM_DEBUG("Doing str copy"); strncpy(*value, temp, len-1); (*value)[len-1] = '\0'; - CRM_DEBUG2("Found token [%s]", *value); + CRM_DEBUG("Found token [%s]", *value); FNRET(TRUE); } } } *name = NULL; *value = NULL; FNRET(FALSE); } char * generate_hash_key(const char *crm_msg_reference, const char *sys) { int ref_len = strlen(sys) + strlen(crm_msg_reference) + 2; char *hash_key = (char*)cl_malloc(sizeof(char)*(ref_len)); FNIN(); sprintf(hash_key, "%s_%s", sys, crm_msg_reference); hash_key[ref_len-1] = '\0'; cl_log(LOG_INFO, "created hash key: (%s)", hash_key); FNRET(hash_key); } char * generate_hash_value(const char *src_node, const char *src_subsys) { int ref_len; char *hash_value; FNIN(); if (src_node == NULL || src_subsys == NULL) { FNRET(NULL); } if (strcmp("dc", src_subsys) == 0) { hash_value = cl_strdup(src_subsys); if (!hash_value) { cl_log(LOG_ERR, "memory allocation failed in " "generate_hash_value()\n"); FNRET(NULL); } FNRET(hash_value); } ref_len = strlen(src_subsys) + strlen(src_node) + 2; hash_value = (char*)cl_malloc(sizeof(char)*(ref_len)); if (!hash_value) { cl_log(LOG_ERR, "memory allocation failed in " "generate_hash_value()\n"); FNRET(NULL); } snprintf(hash_value, ref_len-1, "%s_%s", src_node, src_subsys); hash_value[ref_len-1] = '\0';// make sure it is null terminated cl_log(LOG_INFO, "created hash value: (%s)", hash_value); FNRET(hash_value); } gboolean decode_hash_value(gpointer value, char **node, char **subsys) { char *char_value = (char*)value; int value_len = strlen(char_value); FNIN(); cl_log(LOG_INFO, "Decoding hash value: (%s:%d)", char_value, value_len); if (strcmp("dc", (char*)value) == 0) { *node = NULL; *subsys = (char*)cl_strdup(char_value); if (!*subsys) { cl_log(LOG_ERR, "memory allocation failed in " "decode_hash_value()\n"); FNRET(FALSE); } cl_log(LOG_INFO, "Decoded value: (%s:%d)", *subsys, (int)strlen(*subsys)); FNRET(TRUE); } else if (char_value != NULL) { if (decodeNVpair(char_value, '_', node, subsys)) { FNRET(TRUE); } else { *node = NULL; *subsys = NULL; FNRET(FALSE); } } FNRET(FALSE); } void send_hello_message(IPC_Channel *ipc_client, const char *uuid, const char *client_name, const char *major_version, const char *minor_version) { xmlNodePtr hello_node = NULL; FNIN(); if (uuid == NULL || strlen(uuid) == 0 || client_name == NULL || strlen(client_name) == 0 || major_version == NULL || strlen(major_version) == 0 || minor_version == NULL || strlen(minor_version) == 0) { cl_log(LOG_ERR, "Missing fields, Hello message will not be valid."); return; } hello_node = create_xml_node(NULL, "hello"); set_xml_property_copy(hello_node, "major_version", major_version); set_xml_property_copy(hello_node, "minor_version", minor_version); set_xml_property_copy(hello_node, "client_name", client_name); set_xml_property_copy(hello_node, "client_uuid", uuid); send_xmlipc_message(ipc_client, hello_node); free_xml(hello_node); } gboolean process_hello_message(IPC_Message *hello_message, char **uuid, char **client_name, char **major_version, char **minor_version) { xmlNodePtr hello; xmlDocPtr hello_doc; char *local_uuid; char *local_client_name; char *local_major_version; char *local_minor_version; FNIN(); *uuid = NULL; *client_name = NULL; *major_version = NULL; *minor_version = NULL; if (hello_message == NULL || hello_message->msg_body == NULL) { FNRET(FALSE); } hello_doc = xmlParseMemory( hello_message->msg_body, strlen(hello_message->msg_body)); if (hello_doc == NULL) { cl_log(LOG_ERR, "Expected a Hello message, Got: %s", (char*)hello_message->msg_body); FNRET(FALSE); } hello = xmlDocGetRootElement(hello_doc); if (hello == NULL) { FNRET(FALSE); } else if (strcmp("hello", hello->name) != 0) { FNRET(FALSE); } local_uuid = xmlGetProp(hello, "client_uuid"); local_client_name = xmlGetProp(hello, "client_name"); local_major_version = xmlGetProp(hello, "major_version"); local_minor_version = xmlGetProp(hello, "minor_version"); if (local_uuid == NULL || strlen(local_uuid) == 0) { cl_log(LOG_ERR, "Hello message was not valid (field %s not found): %s", "uuid", (char*)hello_message->msg_body); FNRET(FALSE); } else if (local_client_name==NULL || strlen(local_client_name)==0){ cl_log(LOG_ERR, "Hello message was not valid (field %s not found): %s", "client name", (char*)hello_message->msg_body); FNRET(FALSE); } else if(local_major_version == NULL || strlen(local_major_version) == 0){ cl_log(LOG_ERR, "Hello message was not valid (field %s not found): %s", "major version", (char*)hello_message->msg_body); FNRET(FALSE); } else if (local_minor_version == NULL || strlen(local_minor_version) == 0){ cl_log(LOG_ERR, "Hello message was not valid (field %s not found): %s", "minor version", (char*)hello_message->msg_body); FNRET(FALSE); } *uuid = cl_strdup(local_uuid); *client_name = cl_strdup(local_client_name); *major_version = cl_strdup(local_major_version); *minor_version = cl_strdup(local_minor_version); FNRET(TRUE); } gboolean forward_ipc_request(IPC_Channel *ipc_channel, xmlNodePtr xml_request, xmlNodePtr xml_response_data, const char *sys_to, const char *sys_from) { gboolean was_sent = FALSE; xmlNodePtr forward; FNIN(); forward = create_forward(xml_request, xml_response_data, sys_to); if (forward != NULL) { was_sent = send_xmlipc_message(ipc_channel, forward); free_xml(forward); } FNRET(was_sent); } /* * This method adds a copy of xml_response_data */ gboolean send_ipc_request(IPC_Channel *ipc_channel, xmlNodePtr msg_options, xmlNodePtr msg_data, const char *host_to, const char *sys_to, const char *sys_from, const char *uuid_from, const char *crm_msg_reference) { gboolean was_sent = FALSE; xmlNodePtr request = NULL; FNIN(); request = create_request(msg_options, msg_data, host_to, sys_to, sys_from, uuid_from, crm_msg_reference); // xml_message_debug(request, "Final request..."); was_sent = send_xmlipc_message(ipc_channel, request); free_xml(request); FNRET(was_sent); } /* * This method adds a copy of xml_response_data */ gboolean send_ha_request(ll_cluster_t *hb_fd, xmlNodePtr msg_options, xmlNodePtr msg_data, const char *host_to, const char *sys_to, const char *sys_from, const char *uuid_from, const char *crm_msg_reference) { gboolean was_sent = FALSE; xmlNodePtr request = NULL; FNIN(); request = create_request(msg_options, msg_data, host_to, sys_to, sys_from, uuid_from, crm_msg_reference); // xml_message_debug(request, "Final request..."); was_sent = send_xmlha_message(hb_fd, request); free_xml(request); FNRET(was_sent); } xmlNodePtr create_request(xmlNodePtr msg_options, xmlNodePtr msg_data, const char *host_to, const char *sys_to, const char *sys_from, const char *uuid_from, const char *crm_msg_reference) { const char *true_from = sys_from; xmlNodePtr request; FNIN(); if (uuid_from != NULL) true_from = generate_hash_key(sys_from, uuid_from); // else make sure we are internal else { if (strcmp(CRM_SYSTEM_LRMD, sys_from) != 0 && strcmp(CRM_SYSTEM_PENGINE, sys_from) != 0 && strcmp(CRM_SYSTEM_TENGINE, sys_from) != 0 && strcmp(CRM_SYSTEM_DC, sys_from) != 0 && strcmp(CRM_SYSTEM_CRMD, sys_from) != 0) { cl_log(LOG_ERR, "only internal systems can leave uuid_from blank"); FNRET(FALSE); } } if (crm_msg_reference == NULL) { crm_msg_reference = generateReference( xmlGetProp(msg_options,XML_ATTR_OP),sys_from); } // host_from will get set for us if necessary by CRMd when routed request = create_xml_node(NULL, XML_MSG_TAG); set_node_tstamp(request); set_xml_property_copy(request, XML_ATTR_VERSION, CRM_VERSION); set_xml_property_copy(request, XML_ATTR_MSGTYPE, XML_ATTR_REQUEST); set_xml_property_copy(request, XML_ATTR_SYSTO, sys_to); set_xml_property_copy(request, XML_ATTR_SYSFROM, true_from); set_xml_property_copy(request, XML_ATTR_REFERENCE, crm_msg_reference); if(host_to != NULL && strlen(host_to) > 0) set_xml_property_copy(request, XML_ATTR_HOSTTO, host_to); if (msg_options != NULL) { add_node_copy(request, msg_options); } if (msg_data != NULL) { add_node_copy(request, msg_data); } FNRET(request); } /* * This method adds a copy of xml_response_data */ gboolean send_ipc_reply(IPC_Channel *ipc_channel, xmlNodePtr xml_request, xmlNodePtr xml_response_data) { gboolean was_sent = FALSE; xmlNodePtr reply; FNIN(); reply = create_reply(xml_request, xml_response_data); // xml_message_debug(reply, "Final reply..."); if (reply != NULL) { was_sent = send_xmlipc_message(ipc_channel, reply); free_xml(reply); } FNRET(was_sent); } // required? or just send to self an let relay_message do its thing? /* * This method adds a copy of xml_response_data */ gboolean send_ha_reply(ll_cluster_t *hb_cluster, xmlNodePtr xml_request, xmlNodePtr xml_response_data) { gboolean was_sent = FALSE; xmlNodePtr reply; FNIN(); was_sent = FALSE; reply = create_reply(xml_request, xml_response_data); if (reply != NULL) { was_sent = send_xmlha_message(hb_cluster, reply); free_xml(reply); } FNRET(was_sent); } /* * This method adds a copy of xml_response_data */ xmlNodePtr create_reply(xmlNodePtr original_request, xmlNodePtr xml_response_data) { const char *host_from = NULL; const char *sys_from = NULL; const char *sys_to = NULL; xmlNodePtr reply; FNIN(); host_from = xmlGetProp(original_request, XML_ATTR_HOSTFROM); sys_from = xmlGetProp(original_request, XML_ATTR_SYSFROM); sys_to = xmlGetProp(original_request, XML_ATTR_SYSTO); reply = create_common_message(original_request, xml_response_data); set_xml_property_copy(reply, XML_ATTR_MSGTYPE, XML_ATTR_RESPONSE); /* since this is a reply, we reverse the from and to */ // HOSTTO will be ignored if it is to the DC anyway. if(host_from != NULL && strlen(host_from) > 0) set_xml_property_copy(reply, XML_ATTR_HOSTTO, host_from); set_xml_property_copy(reply, XML_ATTR_SYSTO, sys_from); set_xml_property_copy(reply, XML_ATTR_SYSFROM, sys_to); FNRET(reply); } /* * This method adds a copy of xml_response_data */ xmlNodePtr create_forward(xmlNodePtr original_request, xmlNodePtr xml_response_data, const char *sys_to) { const char *host_from = NULL; const char *host_to = NULL; const char *sys_from = NULL; xmlNodePtr forward; FNIN(); host_from = xmlGetProp(original_request, XML_ATTR_HOSTFROM); host_to = xmlGetProp(original_request, XML_ATTR_HOSTTO); sys_from = xmlGetProp(original_request, XML_ATTR_SYSFROM); forward = create_common_message(original_request, xml_response_data); set_xml_property_copy(forward, XML_ATTR_MSGTYPE, XML_ATTR_REQUEST); // HOSTTO will be ignored if it is to the DC anyway. if(host_to != NULL && strlen(host_to) > 0) set_xml_property_copy(forward, XML_ATTR_HOSTTO, host_to); if(host_from != NULL) set_xml_property_copy(forward, XML_ATTR_HOSTFROM, host_from); set_xml_property_copy(forward, XML_ATTR_SYSTO, sys_to); set_xml_property_copy(forward, XML_ATTR_SYSFROM, sys_from); FNRET(forward); } xmlNodePtr create_common_message(xmlNodePtr original_request, xmlNodePtr xml_response_data) { const char *crm_msg_reference = NULL; const char *type = NULL; const char *operation = NULL; xmlNodePtr options = NULL; xmlNodePtr new_message; FNIN(); crm_msg_reference = xmlGetProp(original_request, XML_ATTR_REFERENCE); type = xmlGetProp(original_request, XML_ATTR_MSGTYPE); operation = xmlGetProp(original_request, XML_ATTR_OP); if (type == NULL) { cl_log(LOG_ERR, "Cannot create new_message," " no message type in original message"); FNRET(NULL); #if 0 } else if (strcmp(XML_ATTR_REQUEST, type) != 0) { cl_log(LOG_ERR, "Cannot create new_message," " original message was not a request"); FNRET(NULL); #endif } new_message = create_xml_node(NULL, XML_MSG_TAG); set_node_tstamp(new_message); set_xml_property_copy(new_message, XML_ATTR_VERSION, CRM_VERSION); set_xml_property_copy(new_message, XML_ATTR_OP, operation); set_xml_property_copy(new_message, XML_ATTR_REFERENCE, crm_msg_reference); if (xml_response_data != NULL) { add_node_copy(new_message, xml_response_data); } options = find_xml_node(original_request, XML_TAG_OPTIONS); if (options != NULL) { add_node_copy(new_message, options); } FNRET(new_message); } diff --git a/crm/common/xmlutils.c b/crm/common/xmlutils.c index 295f2d4374..60083355aa 100644 --- a/crm/common/xmlutils.c +++ b/crm/common/xmlutils.c @@ -1,823 +1,823 @@ -/* $Id: xmlutils.c,v 1.26 2004/04/15 00:35:19 msoffen Exp $ */ +/* $Id: xmlutils.c,v 1.27 2004/04/29 15:33:03 andrew Exp $ */ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include void dump_array(int log_level, const char *message, const char **array, int depth); xmlNodePtr find_xml_node_nested(xmlNodePtr root, const char **search_path, int len) { int j; xmlNodePtr child; xmlNodePtr lastMatch; FNIN(); if (root == NULL) { FNRET(NULL); } if(search_path == NULL) { CRM_DEBUG("Will never find NULL :)"); FNRET(NULL); } #ifdef XML_TRACE dump_array(LOG_DEBUG, "Looking for.", search_path, len); #endif child = root->children, lastMatch = NULL; for (j=0; j < len; ++j) { gboolean is_found = FALSE; if (search_path[j] == NULL) { len = j; /* a NULL also means stop searching */ break; } while(child != NULL) { const char * child_name = (const char*)child->name; #ifdef XML_TRACE - CRM_DEBUG3("comparing (%s) with (%s).", + CRM_DEBUG("comparing (%s) with (%s).", search_path[j], child->name); #endif if (strcmp(child_name, search_path[j]) == 0) { lastMatch = child; child = lastMatch->children; #ifdef XML_TRACE - CRM_DEBUG3("found node (%s) @line (%ld).", + CRM_DEBUG("found node (%s) @line (%ld).", search_path[j], xmlGetLineNo(child)); #endif is_found = TRUE; break; } child = child->next; } if (is_found == FALSE) { #ifdef XML_TRACE - CRM_DEBUG2( + CRM_DEBUG( "No more siblings left... %s cannot be found.", search_path[j]); #endif break; } } if (j == len && lastMatch != NULL && strcmp(lastMatch->name, search_path[j-1]) == 0) { #ifdef XML_TRACE - CRM_DEBUG2("returning node (%s).", + CRM_DEBUG("returning node (%s).", xmlGetNodePath(lastMatch)); #endif FNRET(lastMatch); } dump_array(LOG_WARNING, "Could not find the full path to the node you specified.", search_path, len); cl_log(LOG_WARNING,"Closest point was node (%s).", xmlGetNodePath(lastMatch)); FNRET(NULL); } const char * get_xml_attr(xmlNodePtr parent, const char *node_name, const char *attr_name, gboolean error) { if(node_name == NULL) { // get it from the current node return get_xml_attr_nested(parent, NULL, 0, attr_name, error); } return get_xml_attr_nested(parent, &node_name, 1, attr_name, error); } const char * get_xml_attr_nested(xmlNodePtr parent, const char **node_path, int length, const char *attr_name, gboolean error) { const char *attr_value = NULL; xmlNodePtr attr_parent = NULL; if(parent == NULL) { cl_log(LOG_ERR, "Can not find attribute %s in NULL parent", attr_name); return NULL; } if(attr_name == NULL || strlen(attr_name) == 0) { cl_log(LOG_ERR, "Can not find attribute with no name in %s", xmlGetNodePath(parent)); return NULL; } if(length == 0) { attr_parent = parent; } else { attr_parent = find_xml_node_nested(parent, node_path, length); if(attr_parent == NULL && error) { cl_log(LOG_ERR, "No node at the path you specified."); return NULL; } } attr_value = xmlGetProp(attr_parent, attr_name); if((attr_value == NULL || strlen(attr_value) == 0) && error) { cl_log(LOG_ERR, "No value present for %s at %s", attr_name, xmlGetNodePath(attr_parent)); return NULL; } return attr_value; } xmlNodePtr set_xml_attr(xmlNodePtr parent, const char *node_name, const char *attr_name, const char *attr_value, gboolean create) { if(node_name == NULL) { // set it on the current node return set_xml_attr_nested(parent, NULL, 0, attr_name, attr_value, create); } return set_xml_attr_nested(parent, &node_name, 1, attr_name, attr_value, create); } xmlNodePtr set_xml_attr_nested(xmlNodePtr parent, const char **node_path, int length, const char *attr_name, const char *attr_value, gboolean create) { xmlAttrPtr result = NULL; xmlNodePtr attr_parent = NULL; xmlNodePtr create_parent = NULL; xmlNodePtr tmp; if(parent == NULL && create == FALSE) { cl_log(LOG_ERR, "Can not set attribute in NULL parent"); return NULL; } if(attr_name == NULL || strlen(attr_name) == 0) { cl_log(LOG_ERR, "Can not set attribute to %s with no name", attr_value); return NULL; } if(length == 0 && parent != NULL) { attr_parent = parent; } else if(length == 0 || node_path == NULL || *node_path == NULL || strlen(*node_path) == 0) { cl_log(LOG_ERR, "Can not create parent to set attribute %s=%s on", attr_name, attr_value); return NULL; } else { attr_parent = find_xml_node_nested(parent, node_path, length); } if(create && attr_parent == NULL) { int j = 0; attr_parent = parent; for (j=0; j < length; ++j) { if (node_path[j] == NULL) { break; } tmp = find_xml_node(attr_parent, node_path[j]); if(tmp == NULL) { attr_parent = create_xml_node(attr_parent, node_path[j]); if(j==0) { create_parent = attr_parent; } } else { attr_parent = tmp; } } } else if(attr_parent == NULL) { cl_log(LOG_ERR, "Can not find parent to set attribute on"); return NULL; } result = set_xml_property_copy(attr_parent, attr_name, attr_value); if(result == NULL) { cl_log(LOG_WARNING, "Could not set %s=%s at %s", attr_name, attr_value, xmlGetNodePath(attr_parent)); } if(create_parent != NULL) { return create_parent; } return parent; } xmlNodePtr find_xml_node(xmlNodePtr root, const char * search_path) { if(root == NULL) return NULL; return find_xml_node_nested(root, &search_path, 1); } xmlNodePtr find_entity(xmlNodePtr parent, const char *node_name, const char *id, gboolean siblings) { return find_entity_nested(parent, node_name, NULL, NULL, id, siblings); } xmlNodePtr find_entity_nested(xmlNodePtr parent, const char *node_name, const char *elem_filter_name, const char *elem_filter_value, const char *id, gboolean siblings) { xmlNodePtr child; FNIN(); #ifdef XML_TRACE cl_log(LOG_DEBUG, "Looking for %s elem with id=%s.", node_name, id); #endif while(parent != NULL) { #ifdef XML_TRACE - CRM_DEBUG2("examining (%s).", xmlGetNodePath(parent)); + CRM_DEBUG("examining (%s).", xmlGetNodePath(parent)); #endif child = parent->children; while(child != NULL) { #ifdef XML_TRACE - CRM_DEBUG2("looking for (%s) [name].", node_name); + CRM_DEBUG("looking for (%s) [name].", node_name); #endif if (node_name != NULL && strcmp(child->name, node_name) != 0) { #ifdef XML_TRACE - CRM_DEBUG3( + CRM_DEBUG( "skipping entity (%s=%s) [node_name].", xmlGetNodePath(child), child->name); #endif break; } else if (elem_filter_name != NULL && elem_filter_value != NULL) { const char* child_value = (const char*) xmlGetProp(child, elem_filter_name); #ifdef XML_TRACE cl_log(LOG_DEBUG, "comparing (%s) with (%s) [attr_value].", child_value, elem_filter_value); #endif if (strcmp(child_value, elem_filter_value)) { #ifdef XML_TRACE - CRM_DEBUG2("skipping entity (%s) [attr_value].", + CRM_DEBUG("skipping entity (%s) [attr_value].", xmlGetNodePath(child)); #endif break; } } #ifdef XML_TRACE cl_log(LOG_DEBUG, "looking for entity (%s) in %s.", id, xmlGetNodePath(child)); #endif while(child != NULL) { #ifdef XML_TRACE cl_log(LOG_DEBUG, "looking for entity (%s) in %s.", id, xmlGetNodePath(child)); #endif xmlChar *child_id = xmlGetProp(child, "id"); if (child_id == NULL) { cl_log(LOG_CRIT, "Entity (%s) has id=NULL..." "Cib not valid!", xmlGetNodePath(child)); } else if (strcmp(id, child_id) == 0) { #ifdef XML_TRACE - CRM_DEBUG2("found entity (%s).", id); + CRM_DEBUG("found entity (%s).", id); #endif FNRET(child); } child = child->next; } } if (siblings == TRUE) { #ifdef XML_TRACE CRM_DEBUG("Nothing yet... checking siblings"); #endif parent = parent->next; } else parent = NULL; } cl_log(LOG_INFO, "Couldnt find anything appropriate for %s elem with id=%s.", node_name, id); FNRET(NULL); } void copy_in_properties(xmlNodePtr target, xmlNodePtr src) { if(src == NULL) { cl_log(LOG_WARNING, "No node to copy properties from"); } else if (src->properties == NULL) { cl_log(LOG_INFO, "No properties to copy"); } else if (target == NULL) { cl_log(LOG_WARNING, "No node to copy properties into"); } else { #ifndef USE_BUGGY_LIBXML xmlAttrPtr prop_iter = NULL; FNIN(); prop_iter = src->properties; while(prop_iter != NULL) { const char *local_prop_name = prop_iter->name; const char *local_prop_value = xmlGetProp(src, local_prop_name); set_xml_property_copy(target, local_prop_name, local_prop_value); prop_iter = prop_iter->next; } #else xmlCopyPropList(target, src->properties); #endif } FNOUT(); } char * dump_xml(xmlNodePtr msg) { FNIN(); FNRET(dump_xml_node(msg, FALSE)); } void xml_message_debug(xmlNodePtr msg, const char *text) { char *msg_buffer; FNIN(); if(msg == NULL) { - CRM_DEBUG3("%s: %s", + CRM_DEBUG("%s: %s", text==NULL?"":text,""); FNOUT(); } msg_buffer = dump_xml_node(msg, FALSE); - CRM_DEBUG3("%s: %s", + CRM_DEBUG("%s: %s", text==NULL?"":text, msg_buffer==NULL?"":msg_buffer); cl_free(msg_buffer); FNOUT(); } char * dump_xml_node(xmlNodePtr msg, gboolean whole_doc) { int lpc = 0; int msg_size = -1; xmlChar *xml_message = NULL; xmlBufferPtr xml_buffer; FNIN(); if (msg == NULL) FNRET(NULL); xmlInitParser(); if (whole_doc) { if (msg->doc == NULL) { xmlDocPtr foo = xmlNewDoc("1.0"); xmlDocSetRootElement(foo, msg); xmlSetTreeDoc(msg,foo); } xmlDocDumpMemory(msg->doc, &xml_message, &msg_size); } else { #ifdef XML_TRACE - CRM_DEBUG2("mem used by xml: %d", xmlMemUsed()); + CRM_DEBUG("mem used by xml: %d", xmlMemUsed()); #endif xmlMemoryDump (); xml_buffer = xmlBufferCreate(); msg_size = xmlNodeDump(xml_buffer, msg->doc, msg, 0, 0); xml_message = (xmlChar*)cl_strdup(xmlBufferContent(xml_buffer)); xmlBufferFree(xml_buffer); if (!xml_message) { cl_log(LOG_ERR, "memory allocation failed in dump_xml_node()"); } } // HA wont send messages with newlines in them. for(; xml_message != NULL && lpc < msg_size; lpc++) if (xml_message[lpc] == '\n') xml_message[lpc] = ' '; FNRET((char*)xml_message); } xmlNodePtr add_node_copy(xmlNodePtr new_parent, xmlNodePtr xml_node) { xmlNodePtr node_copy = NULL; FNIN(); if(xml_node != NULL && new_parent != NULL) { node_copy = copy_xml_node_recursive(xml_node); xmlAddChild(new_parent, node_copy); } else if(xml_node == NULL) { cl_log(LOG_ERR, "Could not add copy of NULL node"); } else { cl_log(LOG_ERR, "Could not add copy of node to NULL parent"); } FNRET(node_copy); } xmlAttrPtr set_xml_property_copy(xmlNodePtr node, const xmlChar *name, const xmlChar *value) { const char *parent_name = NULL; const char *local_name = NULL; const char *local_value = NULL; xmlAttrPtr ret_value = NULL; FNIN(); if(node != NULL) { parent_name = node->name; } #ifdef XML_TRACE - CRM_DEBUG4("[%s] Setting %s to %s", parent_name, name, value); + CRM_DEBUG("[%s] Setting %s to %s", parent_name, name, value); #endif if (name == NULL || strlen(name) <= 0) { ret_value = NULL; } else if(node == NULL) { ret_value = NULL; } else if (value == NULL || strlen(value) <= 0) { ret_value = NULL; xmlUnsetProp(node, local_name); } else { local_value = cl_strdup(value); local_name = cl_strdup(name); ret_value = xmlSetProp(node, local_name, local_value); } FNRET(ret_value); } xmlNodePtr create_xml_node(xmlNodePtr parent, const char *name) { const char *local_name = NULL; const char *parent_name = NULL; xmlNodePtr ret_value = NULL; FNIN(); if (name == NULL || strlen(name) < 1) { ret_value = NULL; } else { local_name = cl_strdup(name); if(parent == NULL) ret_value = xmlNewNode(NULL, local_name); else { parent_name = parent->name; ret_value = xmlNewChild(parent, NULL, local_name, NULL); } } #ifdef XML_TRACE - CRM_DEBUG3("Created node [%s [%s]]", parent_name, local_name); + CRM_DEBUG("Created node [%s [%s]]", parent_name, local_name); #endif FNRET(ret_value); } void unlink_xml_node(xmlNodePtr node) { xmlUnlinkNode(node); /* this helps us with frees and really should be being done by * the library call */ node->doc = NULL; } void free_xml(xmlNodePtr a_node) { FNIN(); if (a_node == NULL) ; // nothing to do else if (a_node->doc != NULL) xmlFreeDoc(a_node->doc); else { /* make sure the node is unlinked first */ xmlUnlinkNode(a_node); #if 0 /* set a new doc, wont delete without one? */ xmlDocPtr foo = xmlNewDoc("1.0"); xmlDocSetRootElement(foo, a_node); xmlSetTreeDoc(a_node,foo); xmlFreeDoc(foo); #else xmlFreeNode(a_node); #endif } FNOUT(); } void set_node_tstamp(xmlNodePtr a_node) { char *since_epoch = (char*)cl_malloc(128*(sizeof(char))); FNIN(); sprintf(since_epoch, "%ld", (unsigned long)time(NULL)); set_xml_property_copy(a_node, XML_ATTR_TSTAMP, since_epoch); cl_free(since_epoch); } xmlNodePtr copy_xml_node_recursive(xmlNodePtr src_node) { #if XML_TRACE const char *local_name = NULL; xmlNodePtr local_node = NULL, node_iter = NULL, local_child = NULL; xmlAttrPtr prop_iter = NULL; FNIN(); if(src_node != NULL && src_node->name != NULL) { local_node = create_xml_node(NULL, src_node->name); prop_iter = src_node->properties; while(prop_iter != NULL) { const char *local_prop_name = prop_iter->name; const char *local_prop_value = xmlGetProp(src_node, local_prop_name); set_xml_property_copy(local_node, local_prop_name, local_prop_value); prop_iter = prop_iter->next; } node_iter = src_node->children; while(node_iter != NULL) { local_child = copy_xml_node_recursive(node_iter); if(local_child != NULL) { xmlAddChild(local_node, local_child); - CRM_DEBUG3("Copied node [%s [%s]", local_name, local_child->name); + CRM_DEBUG("Copied node [%s [%s]", local_name, local_child->name); } node_iter = node_iter->next; } - CRM_DEBUG2("Returning [%s]", local_node->name); + CRM_DEBUG("Returning [%s]", local_node->name); FNRET(local_node); } CRM_DEBUG("Returning null"); FNRET(NULL); #else return xmlCopyNode(src_node, 1); #endif } xmlNodePtr string2xml(const char *input) { char ch = 0; int lpc = 0, input_len = strlen(input); gboolean more = TRUE; gboolean inTag = FALSE; xmlNodePtr xml_object = NULL; const char *the_xml; xmlDocPtr doc; xmlBufferPtr xml_buffer = xmlBufferCreate(); for(lpc = 0; (lpc < input_len) && more; lpc++) { ch = input[lpc]; switch(ch) { case EOF: case 0: ch = 0; more = FALSE; xmlBufferAdd(xml_buffer, &ch, 1); break; case '>': case '<': inTag = TRUE; if(ch == '>') inTag = FALSE; xmlBufferAdd(xml_buffer, &ch, 1); break; case '\n': case '\t': case ' ': ch = ' '; if(inTag) { xmlBufferAdd(xml_buffer, &ch, 1); } break; default: xmlBufferAdd(xml_buffer, &ch, 1); break; } } the_xml = xmlBufferContent(xml_buffer); doc = xmlParseMemory(the_xml, strlen(the_xml)); if (doc == NULL) { cl_log(LOG_ERR, "Malformed XML [xml=%s]", the_xml); return NULL; } xml_object = xmlDocGetRootElement(doc); xml_message_debug(xml_object, "Created fragment"); return xml_object; } xmlNodePtr file2xml(FILE *input) { char ch = 0; gboolean more = TRUE; gboolean inTag = FALSE; xmlNodePtr xml_object = NULL; xmlBufferPtr xml_buffer = xmlBufferCreate(); const char *the_xml; xmlDocPtr doc; if(input == NULL) { cl_log(LOG_ERR, "File pointer was NULL"); return NULL; } while (more) { ch = fgetc(input); // cl_log(LOG_DEBUG, "Got [%c]", ch); switch(ch) { case EOF: case 0: ch = 0; more = FALSE; xmlBufferAdd(xml_buffer, &ch, 1); break; case '>': case '<': inTag = TRUE; if(ch == '>') inTag = FALSE; xmlBufferAdd(xml_buffer, &ch, 1); break; case '\n': case '\t': case ' ': ch = ' '; if(inTag) { xmlBufferAdd(xml_buffer, &ch, 1); } break; default: xmlBufferAdd(xml_buffer, &ch, 1); break; } } the_xml = xmlBufferContent(xml_buffer); doc = xmlParseMemory(the_xml, strlen(the_xml)); if (doc == NULL) { cl_log(LOG_ERR, "Malformed XML [xml=%s]", the_xml); return NULL; } xml_object = xmlDocGetRootElement(doc); xml_message_debug(xml_object, "Created fragment"); return xml_object; } void dump_array(int log_level, const char *message, const char **array, int depth) { int j; if(message != NULL) { cl_log(log_level, "%s", message); } cl_log(log_level, "Contents of the array:"); if(array == NULL || array[0] == NULL || depth == 0) { cl_log(log_level, "\t"); } for (j=0; j < depth && array[j] != NULL; j++) { if (array[j] == NULL) break; cl_log(log_level, "\t--> (%s).", array[j]); } } diff --git a/crm/crm-1.0.dtd b/crm/crm-1.0.dtd index c8a770845a..018fc7a8c0 100644 --- a/crm/crm-1.0.dtd +++ b/crm/crm-1.0.dtd @@ -1,558 +1,558 @@ +(rsc_to_rsc*,rsc_to_node*,rsc_to_attr*,node_baseweight*,node_track*)> diff --git a/crm/crmd/ccm.c b/crm/crmd/ccm.c index 61b38bdcbc..4a6804b08a 100644 --- a/crm/crmd/ccm.c +++ b/crm/crmd/ccm.c @@ -1,512 +1,512 @@ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* put these first so that uuid_t is defined without conflicts */ #include #include #include #include #include #include #include #include void oc_ev_special(const oc_ev_t *, oc_ev_class_t , int ); #include #include #include #include #include #include int register_with_ccm(ll_cluster_t *hb_cluster); void msg_ccm_join(const struct ha_msg *msg, void *foo); void crmd_ccm_input_callback(oc_ed_t event, void *cookie, size_t size, const void *data); void ccm_event_detail(const oc_ev_membership_t *oc, oc_ed_t event); gboolean ccm_dispatch(int fd, gpointer user_data); void new_node_state(xmlNodePtr node_updates, const char *uname, const char *state); #define CCM_EVENT_DETAIL 1 oc_ev_t *fsa_ev_token; /* A_CCM_CONNECT */ enum crmd_fsa_input do_ccm_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { int ret; /* fd_set rset; */ int fsa_ev_fd; FNIN(); if(action & A_CCM_DISCONNECT){ oc_ev_unregister(fsa_ev_token); } if(action & A_CCM_CONNECT) { cl_log(LOG_INFO, "Registering with CCM"); oc_ev_register(&fsa_ev_token); cl_log(LOG_INFO, "Setting up CCM callbacks"); oc_ev_set_callback(fsa_ev_token, OC_EV_MEMB_CLASS, crmd_ccm_input_callback, NULL); oc_ev_special(fsa_ev_token, OC_EV_MEMB_CLASS, 0/*don't care*/); cl_log(LOG_INFO, "Activating CCM token"); ret = oc_ev_activate(fsa_ev_token, &fsa_ev_fd); if (ret){ cl_log(LOG_INFO, "CCM Activation failed... unregistering"); oc_ev_unregister(fsa_ev_token); return(I_FAIL); } cl_log(LOG_INFO, "CCM Activation passed... all set to go!"); /* FD_ZERO(&rset); */ /* FD_SET(fsa_ev_fd, &rset); */ //GFDSource* G_main_add_fd(G_PRIORITY_LOW, fsa_ev_fd, FALSE, ccm_dispatch, fsa_ev_token, default_ipc_input_destroy); } if(action & ~(A_CCM_CONNECT|A_CCM_DISCONNECT)) { cl_log(LOG_ERR, "Unexpected action %s in %s", fsa_action2string(action), __FUNCTION__); } FNRET(I_NULL); } /* A_CCM_EVENT */ enum crmd_fsa_input do_ccm_event(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { enum crmd_fsa_input return_input = I_NULL; const oc_ev_membership_t *oc = ((struct ccm_data *)data)->oc; oc_ed_t event = *((struct ccm_data *)data)->event; FNIN(); cl_log(LOG_INFO,"event=%s", event==OC_EV_MS_NEW_MEMBERSHIP?"NEW MEMBERSHIP": event==OC_EV_MS_NOT_PRIMARY?"NOT PRIMARY": event==OC_EV_MS_PRIMARY_RESTORED?"PRIMARY RESTORED": event==OC_EV_MS_EVICTED?"EVICTED": "NO QUORUM MEMBERSHIP"); if(CCM_EVENT_DETAIL) { ccm_event_detail(oc, event); } if (OC_EV_MS_EVICTED == event) { /* get out... NOW! */ return_input = I_SHUTDOWN; } if(return_input == I_SHUTDOWN) { ; /* ignore everything, the new DC will handle it */ } else { /* My understanding is that we will never get both * node leaving *and* node joining callbacks at the * same time. * * This logic would need to change if this is not * the case */ if(oc->m_n_out !=0) { return_input = I_NODE_LEFT; } else if(oc->m_n_in !=0) { /* delay the I_NODE_JOIN until they acknowledge our * DC status and send us their CIB */ return_input = I_NULL; } else { cl_log(LOG_INFO, "So why are we here? What CCM event happened?"); } } FNRET(return_input); } /* A_CCM_UPDATE_CACHE */ /* * Take the opportunity to update the node status in the CIB as well * (but only if we are the DC) */ enum crmd_fsa_input do_ccm_update_cache(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { enum crmd_fsa_input next_input = I_NULL; int lpc, offset; oc_node_t *members = NULL; oc_ed_t event = *((struct ccm_data *)data)->event; const oc_ev_membership_t *oc = ((struct ccm_data *)data)->oc; oc_node_list_t *tmp = NULL, *membership_copy = (oc_node_list_t *) cl_malloc(sizeof(oc_node_list_t)); xmlNodePtr update_list = create_xml_node(NULL, XML_CIB_TAG_STATE); FNIN(); set_xml_property_copy(update_list, XML_ATTR_ID, fsa_our_uname); cl_log(LOG_INFO,"Updating CCM cache after a \"%s\" event.", event==OC_EV_MS_NEW_MEMBERSHIP?"NEW MEMBERSHIP": event==OC_EV_MS_NOT_PRIMARY?"NOT PRIMARY": event==OC_EV_MS_PRIMARY_RESTORED?"PRIMARY RESTORED": event==OC_EV_MS_EVICTED?"EVICTED": "NO QUORUM MEMBERSHIP"); /*--*-- All Member Nodes --*--*/ offset = oc->m_memb_idx; membership_copy->members_size = oc->m_n_member; - CRM_DEBUG2("Number of members: %d", membership_copy->members_size); + CRM_DEBUG("Number of members: %d", membership_copy->members_size); if(membership_copy->members_size > 0) { int size = membership_copy->members_size; size = size * sizeof(oc_node_t); - CRM_DEBUG2("Allocing %d", size); + CRM_DEBUG("Allocing %d", size); membership_copy->members = (oc_node_t *)cl_malloc(size); members = membership_copy->members; for(lpc=0; lpc < membership_copy->members_size; lpc++) { members[lpc].node_id = oc->m_array[offset+lpc].node_id; members[lpc].node_born_on = oc->m_array[offset+lpc].node_born_on; members[lpc].node_uname = cl_strdup(oc->m_array[offset+lpc].node_uname); new_node_state(update_list, members[lpc].node_uname, "in_ccm"); } } else { membership_copy->members = NULL; } /*--*-- New Member Nodes --*--*/ offset = oc->m_in_idx; membership_copy->new_members_size = oc->m_n_in; - CRM_DEBUG2("Number of new members: %d", membership_copy->new_members_size); + CRM_DEBUG("Number of new members: %d", membership_copy->new_members_size); if(membership_copy->new_members_size > 0) { int size = membership_copy->new_members_size; size = size * sizeof(oc_node_t); - CRM_DEBUG2("Allocing %d", size); + CRM_DEBUG("Allocing %d", size); membership_copy->new_members = (oc_node_t *)cl_malloc(size); members = membership_copy->new_members; for(lpc=0; lpc < membership_copy->new_members_size; lpc++) { members[lpc].node_id = oc->m_array[offset+lpc].node_id; members[lpc].node_born_on = oc->m_array[offset+lpc].node_born_on; members[lpc].node_uname = cl_strdup(oc->m_array[offset+lpc].node_uname); new_node_state(update_list, members[lpc].node_uname, "in_ccm"); } } else { membership_copy->new_members = NULL; } /*--*-- Recently Dead Member Nodes --*--*/ offset = oc->m_out_idx; membership_copy->dead_members_size = oc->m_n_out; if(membership_copy->dead_members_size > 0) { int size = membership_copy->dead_members_size; size = size * sizeof(oc_node_t); membership_copy->dead_members = (oc_node_t *)cl_malloc(size); members = membership_copy->dead_members; for(lpc=0; lpc < membership_copy->dead_members_size; lpc++) { members[lpc].node_id = oc->m_array[offset+lpc].node_id; members[lpc].node_born_on = oc->m_array[offset+lpc].node_born_on; members[lpc].node_uname = cl_strdup(oc->m_array[offset+lpc].node_uname); new_node_state(update_list, members[lpc].node_uname, "down"); } } else { membership_copy->dead_members = NULL; } if(AM_I_DC) { // should be sufficient for only the DC to do this xmlNodePtr fragment = create_cib_fragment(update_list, NULL); send_request(NULL, fragment, CRM_OPERATION_UPDATE, NULL, CRM_SYSTEM_DCIB); free_xml(fragment); } tmp = fsa_membership_copy; fsa_membership_copy = membership_copy; /* Free the old copy */ if(tmp != NULL) { if(tmp->members != NULL) cl_free(tmp->members); if(tmp->new_members != NULL) cl_free(tmp->new_members); if(tmp->dead_members != NULL) cl_free(tmp->dead_members); cl_free(tmp); } FNRET(next_input); } /* * node_updates must be pre-constructed (non-NULL) */ void new_node_state(xmlNodePtr node_updates, const char *uname, const char *state) { xmlNodePtr tmp1 = create_xml_node(NULL, XML_CIB_TAG_STATE); set_node_tstamp(tmp1); set_xml_property_copy(tmp1, XML_ATTR_ID, uname); set_xml_property_copy(tmp1, "source", fsa_our_uname); set_xml_property_copy(tmp1, "state", state); xmlAddSibling(node_updates, tmp1); } void ccm_event_detail(const oc_ev_membership_t *oc, oc_ed_t event) { int member_id = -1; gboolean member = FALSE; int lpc; int node_list_size; cl_log(LOG_INFO,"trans=%d, nodes=%d, new=%d, lost=%d n_idx=%d, " "new_idx=%d, old_idx=%d", oc->m_instance, oc->m_n_member, oc->m_n_in, oc->m_n_out, oc->m_memb_idx, oc->m_in_idx, oc->m_out_idx); cl_log(LOG_INFO, "NODES IN THE PRIMARY MEMBERSHIP"); node_list_size = oc->m_n_member; for(lpc=0; lpcm_array[oc->m_memb_idx+lpc].node_uname, oc->m_array[oc->m_memb_idx+lpc].node_id, oc->m_array[oc->m_memb_idx+lpc].node_born_on); if(fsa_our_uname != NULL && strcmp(fsa_our_uname, oc->m_array[oc->m_memb_idx+lpc].node_uname)) { member = TRUE; member_id = oc->m_array[oc->m_memb_idx+lpc].node_id; } } if (member == FALSE) { cl_log(LOG_WARNING, "MY NODE IS NOT IN CCM THE MEMBERSHIP LIST"); } else { cl_log(LOG_INFO, "MY NODE ID IS %d", member_id); } cl_log(LOG_INFO, "NEW MEMBERS"); if (oc->m_n_in==0) cl_log(LOG_INFO, "\tNONE"); for(lpc=0; lpcm_n_in; lpc++) { cl_log(LOG_INFO,"\t%s [nodeid=%d, born=%d]", oc->m_array[oc->m_in_idx+lpc].node_uname, oc->m_array[oc->m_in_idx+lpc].node_id, oc->m_array[oc->m_in_idx+lpc].node_born_on); } cl_log(LOG_INFO, "MEMBERS LOST"); if (oc->m_n_out==0) cl_log(LOG_INFO, "\tNONE"); for(lpc=0; lpcm_n_out; lpc++) { cl_log(LOG_INFO,"\t%s [nodeid=%d, born=%d]", oc->m_array[oc->m_out_idx+lpc].node_uname, oc->m_array[oc->m_out_idx+lpc].node_id, oc->m_array[oc->m_out_idx+lpc].node_born_on); if(fsa_our_uname != NULL && strcmp(fsa_our_uname, oc->m_array[oc->m_memb_idx+lpc].node_uname)) { cl_log(LOG_ERR, "We're not part of the cluster anymore"); } } cl_log(LOG_INFO, "-----------------------"); } int register_with_ccm(ll_cluster_t *hb_cluster) { FNRET(0); } gboolean ccm_dispatch(int fd, gpointer user_data) { oc_ev_t *ccm_token = (oc_ev_t*)user_data; oc_ev_handle_event(ccm_token); return TRUE; } void crmd_ccm_input_callback(oc_ed_t event, void *cookie, size_t size, const void *data) { struct ccm_data *event_data = NULL; FNIN(); if(data != NULL) { event_data = (struct ccm_data *) cl_malloc(sizeof(struct ccm_data)); event_data->event = &event; event_data->oc = (const oc_ev_membership_t *)data; s_crmd_fsa(C_CCM_CALLBACK, I_CCM_EVENT, (void*)event_data); event_data->event = NULL; event_data->oc = NULL; cl_free(event_data); } else { cl_log(LOG_INFO, "CCM Callback with NULL data... " "I dont /think/ this is bad"); } oc_ev_callback_done(cookie); FNOUT(); } void msg_ccm_join(const struct ha_msg *msg, void *foo) { FNIN(); cl_log(LOG_INFO, "\n###### Recieved ccm_join message..."); if (msg != NULL) { cl_log(LOG_INFO, "[type=%s]", ha_msg_value(msg, F_TYPE)); cl_log(LOG_INFO, "[orig=%s]", ha_msg_value(msg, F_ORIG)); cl_log(LOG_INFO, "[to=%s]", ha_msg_value(msg, F_TO)); cl_log(LOG_INFO, "[status=%s]", ha_msg_value(msg, F_STATUS)); cl_log(LOG_INFO, "[info=%s]", ha_msg_value(msg, F_COMMENT)); cl_log(LOG_INFO, "[rsc_hold=%s]", ha_msg_value(msg, F_RESOURCES)); cl_log(LOG_INFO, "[stable=%s]", ha_msg_value(msg, F_ISSTABLE)); cl_log(LOG_INFO, "[rtype=%s]", ha_msg_value(msg, F_RTYPE)); cl_log(LOG_INFO, "[ts=%s]", ha_msg_value(msg, F_TIME)); cl_log(LOG_INFO, "[seq=%s]", ha_msg_value(msg, F_SEQ)); cl_log(LOG_INFO, "[generation=%s]", ha_msg_value(msg, F_HBGENERATION)); // cl_log(LOG_INFO, "[=%s]", ha_msg_value(msg, F_)); } FNOUT(); } diff --git a/crm/crmd/control.c b/crm/crmd/control.c index 9e04a512aa..c7863d865e 100644 --- a/crm/crmd/control.c +++ b/crm/crmd/control.c @@ -1,403 +1,403 @@ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include #include #include #include #define PID_FILE WORKING_DIR"/crm.pid" #define DAEMON_LOG LOG_DIR"/crm.log" #define DAEMON_DEBUG LOG_DIR"/crm.debug" gboolean crmd_ha_input_dispatch(int fd, gpointer user_data); void crmd_ha_input_destroy(gpointer user_data); void crm_shutdown(int nsig); GHashTable *ipc_clients = NULL; /* A_HA_CONNECT */ enum crmd_fsa_input do_ha_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { gboolean registered = FALSE; FNIN(); if(action & A_HA_DISCONNECT) { if(fsa_cluster_conn != NULL) { fsa_cluster_conn->llc_ops->signoff(fsa_cluster_conn); } } if(action & A_HA_CONNECT) { if(fsa_cluster_conn == NULL) fsa_cluster_conn = ll_cluster_new("heartbeat"); // make sure we are disconnected first fsa_cluster_conn->llc_ops->signoff(fsa_cluster_conn); registered = register_with_ha(fsa_cluster_conn, crm_system_name, crmd_ha_input_dispatch, crmd_ha_input_callback, crmd_ha_input_destroy); if(registered == FALSE) FNRET(I_FAIL); } if(action & ~(A_HA_CONNECT|A_HA_DISCONNECT)) { cl_log(LOG_ERR, "Unexpected action %s in %s", fsa_action2string(action), __FUNCTION__); } FNRET(I_NULL); } /* A_SHUTDOWN */ enum crmd_fsa_input do_shutdown(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { enum crmd_fsa_input next_input = I_NULL; enum crmd_fsa_input tmp = I_NULL; FNIN(); /* last attempt to shut these down */ if(is_set(fsa_input_register, R_PE_CONNECTED)) { cl_log(LOG_WARNING, "Last attempt to shutdown the PolicyEngine"); tmp = do_pe_control(A_PE_STOP, cause, cur_state, current_input, data); if(tmp != I_NULL) { next_input = I_ERROR; cl_log(LOG_ERR, "Failed to shutdown the PolicyEngine"); } } if(is_set(fsa_input_register, R_TE_CONNECTED)) { cl_log(LOG_WARNING, "Last attempt to shutdown the Transitioner"); tmp = do_pe_control(A_TE_STOP, cause, cur_state, current_input, data); if(tmp != I_NULL) { next_input = I_ERROR; cl_log(LOG_ERR, "Failed to shutdown the Transitioner"); } } /* TODO: shutdown all remaining resources? */ FNRET(next_input); } /* A_SHUTDOWN_REQ */ enum crmd_fsa_input do_shutdown_req(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { enum crmd_fsa_input next_input = I_NULL; FNIN(); if(send_request(NULL, NULL, CRM_OPERATION_SHUTDOWN_REQ, NULL, CRM_SYSTEM_DC) == FALSE){ next_input = I_ERROR; } FNRET(next_input); } gboolean crmd_ha_input_dispatch(int fd, gpointer user_data) { ll_cluster_t* hb_cluster = (ll_cluster_t*)user_data; FNIN(); while(hb_cluster->llc_ops->msgready(hb_cluster)) { // invoke the callbacks but dont block hb_cluster->llc_ops->rcvmsg(hb_cluster, 0); } FNRET(TRUE); } void crmd_ha_input_destroy(gpointer user_data) { cl_log(LOG_INFO, "in my hb_input_destroy"); } /* A_EXIT_0, A_EXIT_1 */ enum crmd_fsa_input do_exit(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { FNIN(); cl_log(LOG_ERR, "Action %s (%.16llx) not supported\n", fsa_action2string(action), action); if(action & A_EXIT_0) { g_main_quit(crmd_mainloop); } else { exit(1); } FNRET(I_NULL); } /* A_STARTUP */ enum crmd_fsa_input do_startup(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { int facility; int was_error = 0; int interval = 1; // seconds between DC heartbeats FNIN(); fsa_input_register = 0; // zero out the regester cl_log(LOG_INFO, "Register PID"); register_pid(PID_FILE, FALSE, crm_shutdown); cl_log_set_logfile(DAEMON_LOG); /* if (crm_debug()) { */ cl_log_set_debugfile(DAEMON_DEBUG); /* cl_log_enable_stderr(FALSE); } */ ipc_clients = g_hash_table_new(&g_str_hash, &g_str_equal); /* change the logging facility to the one used by heartbeat daemon */ fsa_cluster_conn = ll_cluster_new("heartbeat"); cl_log(LOG_INFO, "Switching to Heartbeat logger"); if ((facility = fsa_cluster_conn->llc_ops->get_logfacility( fsa_cluster_conn)) > 0) { cl_log_set_facility(facility); } - CRM_DEBUG2("Facility: %d", facility); + CRM_DEBUG("Facility: %d", facility); if(was_error == 0) { CRM_DEBUG("Init server comms"); was_error = init_server_ipc_comms(CRM_SYSTEM_CRMD, crmd_client_connect, default_ipc_input_destroy); } if (was_error == 0) { CRM_DEBUG("Finding our node name"); fsa_our_uname = fsa_cluster_conn->llc_ops->get_mynodeid( fsa_cluster_conn); if (fsa_our_uname == NULL) { cl_log(LOG_ERR, "get_mynodeid() failed"); was_error = 1; } cl_log(LOG_INFO, "Hostname: %s", fsa_our_uname); } /* set up the timers */ dc_heartbeat = (fsa_timer_t *)cl_malloc(sizeof(fsa_timer_t)); integration_timer= (fsa_timer_t *)cl_malloc(sizeof(fsa_timer_t)); election_trigger = (fsa_timer_t *)cl_malloc(sizeof(fsa_timer_t)); election_timeout = (fsa_timer_t *)cl_malloc(sizeof(fsa_timer_t)); shutdown_escalation_timmer = (fsa_timer_t *) cl_malloc(sizeof(fsa_timer_t)); interval = interval * 1000; election_trigger->source_id = -1; election_trigger->period_ms = interval*4; election_trigger->fsa_input = I_DC_TIMEOUT; election_trigger->callback = timer_popped; dc_heartbeat->source_id = -1; dc_heartbeat->period_ms = interval; dc_heartbeat->fsa_input = I_NULL; dc_heartbeat->callback = do_dc_heartbeat; election_timeout->source_id = -1; election_timeout->period_ms = interval*6; election_timeout->fsa_input = I_ELECTION_DC; election_timeout->callback = timer_popped; integration_timer->source_id = -1; integration_timer->period_ms = interval*6; integration_timer->fsa_input = I_INTEGRATION_TIMEOUT; integration_timer->callback = timer_popped; shutdown_escalation_timmer->source_id = -1; shutdown_escalation_timmer->period_ms = interval*13; shutdown_escalation_timmer->fsa_input = I_TERMINATE; shutdown_escalation_timmer->callback = timer_popped; /* set up the sub systems */ cib_subsystem = (struct crm_subsystem_s*) cl_malloc(sizeof(struct crm_subsystem_s)); cib_subsystem->pid = 0; cib_subsystem->respawn = 1; cib_subsystem->path = cl_strdup(BIN_DIR); cib_subsystem->name = cl_strdup(CRM_SYSTEM_CIB); cib_subsystem->command = BIN_DIR"/cib"; cib_subsystem->flag = R_CIB_CONNECTED; te_subsystem = (struct crm_subsystem_s*) cl_malloc(sizeof(struct crm_subsystem_s)); te_subsystem->pid = 0; te_subsystem->respawn = 1; te_subsystem->path = cl_strdup(BIN_DIR); te_subsystem->name = cl_strdup(CRM_SYSTEM_TENGINE); te_subsystem->command = BIN_DIR"/tengine"; te_subsystem->flag = R_TE_CONNECTED; pe_subsystem = (struct crm_subsystem_s*) cl_malloc(sizeof(struct crm_subsystem_s)); pe_subsystem->pid = 0; pe_subsystem->respawn = 1; pe_subsystem->path = cl_strdup(BIN_DIR); pe_subsystem->name = cl_strdup(CRM_SYSTEM_PENGINE); pe_subsystem->command = BIN_DIR"/pengine"; pe_subsystem->flag = R_PE_CONNECTED; if(was_error) FNRET(I_FAIL); FNRET(I_NULL); } /* A_STOP */ enum crmd_fsa_input do_stop(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { FNIN(); cl_log(LOG_ERR, "Action %s (%.16llx) not supported\n", fsa_action2string(action), action); FNRET(I_NULL); } /* A_STARTED */ enum crmd_fsa_input do_started(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { FNIN(); clear_bit_inplace(&fsa_input_register, R_STARTING); FNRET(I_NULL); } /* A_RECOVER */ enum crmd_fsa_input do_recover(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { FNIN(); cl_log(LOG_ERR, "Action %s (%.16llx) not supported\n", fsa_action2string(action), action); FNRET(I_SHUTDOWN); } void crm_shutdown(int nsig) { FNIN(); CL_SIGNAL(nsig, crm_shutdown); if (crmd_mainloop != NULL && g_main_is_running(crmd_mainloop)) { if(is_set(fsa_input_register, R_SHUTDOWN)) { CRM_DEBUG("Escalating the shutdown"); s_crmd_fsa(C_SHUTDOWN, I_ERROR, NULL); } else { set_bit_inplace(&fsa_input_register, R_SHUTDOWN); // cant rely on this... startTimer(shutdown_escalation_timmer); s_crmd_fsa(C_SHUTDOWN, I_SHUTDOWN, NULL); } } else { CRM_DEBUG("exit from shutdown"); exit(LSB_EXIT_OK); } FNOUT(); } diff --git a/crm/crmd/election.c b/crm/crmd/election.c index 3fb7943e24..f6334fa6e2 100644 --- a/crm/crmd/election.c +++ b/crm/crmd/election.c @@ -1,586 +1,586 @@ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include #include #include #include #include #include GHashTable *joined_nodes = NULL; /* A_ELECTION_VOTE */ enum crmd_fsa_input do_election_vote(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { enum crmd_fsa_input election_result = I_NULL; FNIN(); /* dont vote if we're in one of these states or wanting to shut down */ switch(cur_state) { case S_RECOVERY: case S_RECOVERY_DC: case S_STOPPING: case S_RELEASE_DC: case S_TERMINATE: FNRET(I_NULL); // log warning break; default: if(is_set(fsa_input_register, R_SHUTDOWN)) { FNRET(I_NULL); // log warning } break; } send_request(NULL, NULL, CRM_OPERATION_VOTE, NULL, CRM_SYSTEM_CRMD); FNRET(election_result); } gboolean timer_popped(gpointer data) { fsa_timer_t *timer = (fsa_timer_t *)data; cl_log(LOG_INFO, "#!!#!!# Timer %s just popped!", fsa_input2string(timer->fsa_input)); stopTimer(timer); // dont make it go off again s_crmd_fsa(C_TIMER_POPPED, timer->fsa_input, NULL); return TRUE; } gboolean do_dc_heartbeat(gpointer data) { fsa_timer_t *timer = (fsa_timer_t *)data; // cl_log(LOG_DEBUG, "#!!#!!# Heartbeat timer just popped!"); gboolean was_sent = send_request(NULL, NULL, CRM_OPERATION_HBEAT, NULL, CRM_SYSTEM_CRMD); if(was_sent == FALSE) { // this is bad stopTimer(timer); // dont make it go off again s_crmd_fsa(C_HEARTBEAT_FAILED, I_SHUTDOWN, NULL); } return TRUE; } /* A_ELECTION_COUNT */ enum crmd_fsa_input do_election_count_vote(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { gboolean we_loose = FALSE; xmlNodePtr vote = (xmlNodePtr)data; unsigned int my_born = -1, your_born = -1; int lpc = 0, my_index = -1, your_index = -1; enum crmd_fsa_input election_result = I_NULL; const char *vote_from = xmlGetProp(vote, XML_ATTR_HOSTFROM); const char *lowest_uname = NULL; int lowest_bornon = 0; FNIN(); if(vote_from == NULL || strcmp(vote_from, fsa_our_uname) == 0) { // dont count our own vote FNRET(election_result); } if(fsa_membership_copy->members_size < 1) { // if even we are not in the cluster then we should not vote FNRET(I_FAIL); } lowest_uname = fsa_membership_copy->members[0].node_uname; lowest_bornon = fsa_membership_copy->members[0].node_born_on; for(; lpc < fsa_membership_copy->members_size; lpc++) { const char *node_uname = fsa_membership_copy->members[lpc].node_uname; int this_born_on = fsa_membership_copy->members[lpc].node_born_on; if(node_uname == NULL) { continue; } if(strcmp(vote_from, node_uname) == 0) { your_born = this_born_on; your_index = lpc; } else if (strcmp(fsa_our_uname, node_uname) == 0) { my_born = this_born_on; my_index = lpc; } if(lowest_bornon > this_born_on) { lowest_uname = node_uname; lowest_bornon = this_born_on; } else if(lowest_bornon == this_born_on && strcmp(lowest_uname, node_uname) > 0) { lowest_uname = node_uname; lowest_bornon = this_born_on; } } #if 0 cl_log(LOG_DEBUG, "%s (bornon=%d), our bornon (%d)", vote_from, your_born, my_born); cl_log(LOG_DEBUG, "%s %s %s", fsa_our_uname, strcmp(fsa_our_uname, vote_from) < 0?"<":">=", vote_from); #endif cl_log(LOG_DEBUG, "Election winner should be %s (born_on=%d)", lowest_uname, lowest_bornon); if(lowest_uname != NULL && strcmp(lowest_uname, fsa_our_uname) == 0){ cl_log(LOG_DEBUG, "Election win: lowest born_on and uname"); election_result = I_ELECTION_DC; } else if(your_born < my_born) { cl_log(LOG_DEBUG, "Election fail: born_on"); we_loose = TRUE; } else if(your_born == my_born && strcmp(fsa_our_uname, vote_from) > 0) { cl_log(LOG_DEBUG, "Election fail: uname"); we_loose = TRUE; } else { CRM_DEBUG("We might win... we should vote (possibly again)"); election_result = I_DC_TIMEOUT; } if(we_loose) { if(fsa_input_register & R_THE_DC) { cl_log(LOG_DEBUG, "Give up the DC"); election_result = I_RELEASE_DC; } else { cl_log(LOG_DEBUG, "We werent the DC anyway"); election_result = I_NOT_DC; } } if(we_loose || election_result == I_ELECTION_DC) { // cancel timer, its been decided stopTimer(election_timeout); } FNRET(election_result); } /* A_ELECT_TIMER_START, A_ELECTION_TIMEOUT */ // we won enum crmd_fsa_input do_election_timer_ctrl(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { FNIN(); if(action & A_ELECT_TIMER_START) { CRM_DEBUG("Starting the election timer..."); startTimer(election_timeout); } else if(action & A_ELECT_TIMER_STOP || action & A_ELECTION_TIMEOUT) { CRM_DEBUG("Stopping the election timer..."); stopTimer(election_timeout); } else { cl_log(LOG_ERR, "unexpected action %s", fsa_action2string(action)); } if(action & A_ELECTION_TIMEOUT) { CRM_DEBUG("The election timer went off, we win!"); FNRET(I_ELECTION_DC); } FNRET(I_NULL); } /* A_DC_TIMER_STOP, A_DC_TIMER_START */ enum crmd_fsa_input do_dc_timer_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { gboolean timer_op_ok = TRUE; FNIN(); if(action & A_DC_TIMER_STOP) { timer_op_ok = stopTimer(election_trigger); } /* dont start a timer that wasnt already running */ if(action & A_DC_TIMER_START && timer_op_ok) { startTimer(election_trigger); } FNRET(I_NULL); } /* A_DC_TAKEOVER */ enum crmd_fsa_input do_dc_takeover(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { FNIN(); CRM_DEBUG("################## Taking over the DC ##################"); set_bit_inplace(&fsa_input_register, R_THE_DC); - CRM_DEBUG2("Am I the DC? %s", AM_I_DC?"yes":"no"); + CRM_DEBUG("Am I the DC? %s", AM_I_DC?"yes":"no"); set_bit_inplace(&fsa_input_register, R_JOIN_OK); set_bit_inplace(&fsa_input_register, R_INVOKE_PE); clear_bit_inplace(&fsa_input_register, R_CIB_DONE); clear_bit_inplace(&fsa_input_register, R_HAVE_CIB); startTimer(dc_heartbeat); FNRET(I_NULL); } /* A_DC_RELEASE */ enum crmd_fsa_input do_dc_release(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { enum crmd_fsa_input result = I_NULL; FNIN(); CRM_DEBUG("################## Releasing the DC ##################"); stopTimer(dc_heartbeat); if(action & A_DC_RELEASE) { clear_bit_inplace(&fsa_input_register, R_THE_DC); /* get a new CIB from the new DC */ clear_bit_inplace(&fsa_input_register, R_HAVE_CIB); } else if (action & A_DC_RELEASED) { if(cur_state == S_STOPPING) { result = I_SHUTDOWN; // necessary? result = I_RELEASE_SUCCESS; } #if 0 else if( are there errors ) { // we cant stay up if not healthy // or perhaps I_ERROR and go to S_RECOVER? result = I_SHUTDOWN; } #endif else result = I_RELEASE_SUCCESS; } else { cl_log(LOG_ERR, "Warning, do_dc_release invoked for action %s", fsa_action2string(action)); } - CRM_DEBUG2("Am I still the DC? %s", AM_I_DC?"yes":"no"); + CRM_DEBUG("Am I still the DC? %s", AM_I_DC?"yes":"no"); FNRET(result); } /* A_JOIN_WELCOME, A_JOIN_WELCOME_ALL */ enum crmd_fsa_input do_send_welcome(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { int lpc = 0, size = 0, num_sent = 0; oc_node_t *members; gboolean was_sent = TRUE; FNIN(); if(action & A_JOIN_WELCOME && data == NULL) { cl_log(LOG_ERR, "Attempt to send welcome message " "without a message to reply to!"); FNRET(I_NULL); } else if(action & A_JOIN_WELCOME) { xmlNodePtr welcome = (xmlNodePtr)data; const char *join_to = xmlGetProp(welcome, XML_ATTR_HOSTFROM); if(join_to != NULL) { send_request(NULL, NULL, CRM_OPERATION_WELCOME, join_to, CRM_SYSTEM_CRMD); } FNRET(I_NULL); } // welcome everyone... /* Give everyone a chance to join before invoking the PolicyEngine */ stopTimer(integration_timer); startTimer(integration_timer); members = fsa_membership_copy->members; size = fsa_membership_copy->members_size; if(joined_nodes != NULL) { g_hash_table_destroy(joined_nodes); joined_nodes = g_hash_table_new(&g_str_hash, &g_str_equal); } for(; members != NULL && lpc < size; lpc++) { const char *new_node = members[lpc].node_uname; if(strcmp(fsa_our_uname, new_node) == 0) { // dont send one to ourselves continue; } - CRM_DEBUG3("Sending welcome message to %s (%d)", + CRM_DEBUG("Sending welcome message to %s (%d)", new_node, was_sent); num_sent++; was_sent = was_sent && send_request(NULL, NULL, CRM_OPERATION_WELCOME, new_node, CRM_SYSTEM_CRMD); - CRM_DEBUG3("Sent welcome message to %s (%d)", + CRM_DEBUG("Sent welcome message to %s (%d)", new_node, was_sent); } if(was_sent == FALSE) FNRET(I_FAIL); /* No point hanging around in S_INTEGRATION if we're the only ones here! */ if(num_sent == 0) { // that was the last outstanding join ack) cl_log(LOG_INFO,"That was the last outstanding join ack"); FNRET(I_SUCCESS); } else { cl_log(LOG_DEBUG, "Still waiting on %d outstanding join acks", num_sent); //dont waste time by invoking the pe yet; } FNRET(I_NULL); } /* A_JOIN_ACK */ enum crmd_fsa_input do_ack_welcome(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { xmlNodePtr welcome = (xmlNodePtr)data; xmlNodePtr cib_copy; xmlNodePtr tmp1; xmlNodePtr tmp2; FNIN(); #if 0 if(we are sick) { log error ; FNRET(I_NULL); } #endif cib_copy = get_cib_copy(); tmp1 = get_object_root(XML_CIB_TAG_STATUS, cib_copy); tmp2 = create_cib_fragment(tmp1, NULL); send_ha_reply(fsa_cluster_conn, welcome, tmp2); free_xml(tmp2); free_xml(cib_copy); FNRET(I_NULL); } /* A_ANNOUNCE */ enum crmd_fsa_input do_announce(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { FNIN(); /* Once we hear from the DC, we can stop the timer * * This timer was started either on startup or when a node * left the CCM list */ /* dont announce if we're in one of these states */ switch(cur_state) { case S_RECOVERY: case S_RECOVERY_DC: case S_RELEASE_DC: case S_TERMINATE: FNRET(I_NULL); // log warning break; default: break; } if(AM_I_OPERATIONAL) { send_request(NULL, NULL, CRM_OPERATION_ANNOUNCE, NULL, CRM_SYSTEM_DC); } else { /* Delay announce until we have finished local startup */ FNRET(I_NULL); } FNRET(I_NULL); } /* A_JOIN_PROCESS_ACK */ enum crmd_fsa_input do_process_welcome_ack(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { int lpc = 0, size = 0; oc_node_t *members; gboolean is_a_member = FALSE; xmlNodePtr tmp1; xmlNodePtr join_ack = (xmlNodePtr)data; xmlNodePtr cib_fragment; const char *join_from = xmlGetProp(join_ack, XML_ATTR_HOSTFROM); FNIN(); FNIN(); members = fsa_membership_copy->members; size = fsa_membership_copy->members_size; for(; lpc < size; lpc++) { const char *new_node = members[lpc].node_uname; if(strcmp(join_from, new_node) == 0) { is_a_member = TRUE; } } cib_fragment = find_xml_node(join_ack, XML_TAG_FRAGMENT); if(is_a_member == FALSE) { cl_log(LOG_ERR, "Node %s is not known to us", join_from); /* make sure any information from this node is discarded, * it is invalid */ free_xml(cib_fragment); FNRET(I_FAIL); } cl_log(LOG_DEBUG, "Welcoming node %s after ACK", join_from); // add them to our list of "active" nodes g_hash_table_insert(joined_nodes, strdup(join_from),strdup(join_from)); if(cib_fragment == NULL) { cl_log(LOG_ERR, "No status information was part of the" " Welcome ACK from %s", join_from); FNRET(I_NULL); } /* TODO: check the fragment is only for the status section = get_xml_attr(cib_fragment, NULL, XML_ATTR_FILTER_TYPE, TRUE); */ /* Make changes so that state=active for this node when the update * is processed by A_CIB_INVOKE */ tmp1 = find_xml_node(cib_fragment, XML_TAG_CIB); tmp1 = get_object_root(XML_CIB_TAG_STATUS, tmp1); tmp1 = find_entity(tmp1, XML_CIB_TAG_STATE, join_from, FALSE); set_xml_property_copy(tmp1, "state", "active"); if(g_hash_table_size(joined_nodes) == fsa_membership_copy->members_size) { // that was the last outstanding join ack) cl_log(LOG_INFO,"That was the last outstanding join ack"); FNRET(I_SUCCESS); } else { cl_log(LOG_DEBUG, "Still waiting on %d outstanding join acks", size); //dont waste time by invoking the pe yet; } FNRET(I_CIB_OP); } diff --git a/crm/crmd/fsa.c b/crm/crmd/fsa.c index f412fdfd5c..cca29a7c1a 100644 --- a/crm/crmd/fsa.c +++ b/crm/crmd/fsa.c @@ -1,1056 +1,1056 @@ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include long long do_state_transition(long long actions, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_state next_state, enum crmd_fsa_input current_input, void *data); #ifdef DOT_FSA_ACTIONS # ifdef FSA_TRACE # define ELSEIF_FSA_ACTION(x,y) \ else if(is_set(actions,x)) { \ - CRM_DEBUG3("Invoking action %s (%.16llx)", \ + CRM_DEBUG("Invoking action %s (%.16llx)", \ fsa_action2string(x), x); \ actions = clear_bit(actions, x); \ next_input = y(x, cause, cur_state, last_input, data); \ if( (x & O_DC_TICKLE) == 0 && next_input != I_DC_HEARTBEAT ) \ fprintf(dot_strm, \ "\t// %s:\t%s\t(data? %s)\t(result=%s)\n", \ fsa_input2string(cur_input), \ fsa_action2string(x), \ data==NULL?"no":"yes", \ fsa_input2string(next_input)); \ fflush(dot_strm); \ - CRM_DEBUG3("Result of action %s was %s", \ + CRM_DEBUG("Result of action %s was %s", \ fsa_action2string(x), fsa_input2string(next_input)); \ } # else # define ELSEIF_FSA_ACTION(x,y) \ else if(is_set(actions,x)) { \ actions = clear_bit(actions, x); \ next_input = y(x, cause, cur_state, last_input, data); \ if( (x & O_DC_TICKLE) == 0 && next_input != I_DC_HEARTBEAT ) \ fprintf(dot_strm, \ "\t// %s:\t%s\t(data? %s)\t(result=%s)\n", \ fsa_input2string(cur_input), \ fsa_action2string(x), \ data==NULL?"no":"yes", \ fsa_input2string(next_input)); \ fflush(dot_strm); \ } # endif #else # ifdef FSA_TRACE # define ELSEIF_FSA_ACTION(x,y) \ else if(is_set(actions,x)) { \ - CRM_DEBUG3("Invoking action %s (%.16llx)", \ + CRM_DEBUG("Invoking action %s (%.16llx)", \ fsa_action2string(x), x); \ actions = clear_bit(actions, x); \ next_input = y(x, cause, cur_state, last_input, data); \ - CRM_DEBUG3("Result of action %s was %s", \ + CRM_DEBUG("Result of action %s was %s", \ fsa_action2string(x), fsa_input2string(next_input)); \ } # else # define ELSEIF_FSA_ACTION(x,y) \ else if(is_set(actions,x)) { \ actions = clear_bit(actions, x); \ next_input = y(x, cause, cur_state, last_input, data); \ } # endif #endif const char *dot_intro = "digraph \"g\" {\n" " size = \"30,30\"\n" " graph [\n" " fontsize = \"12\"\n" " fontname = \"Times-Roman\"\n" " fontcolor = \"black\"\n" " bb = \"0,0,398.922306,478.927856\"\n" " color = \"black\"\n" " ]\n" " node [\n" " fontsize = \"12\"\n" " fontname = \"Times-Roman\"\n" " fontcolor = \"black\"\n" " shape = \"ellipse\"\n" " color = \"black\"\n" " ]\n" " edge [\n" " fontsize = \"12\"\n" " fontname = \"Times-Roman\"\n" " fontcolor = \"black\"\n" " color = \"black\"\n" " ]\n" "// special nodes\n" " \"S_PENDING\" \n" " [\n" " color = \"blue\"\n" " fontcolor = \"blue\"\n" " ]\n" " \"S_TERMINATE\" \n" " [\n" " color = \"red\"\n" " fontcolor = \"red\"\n" " ]\n" "\n" "// DC only nodes\n" " \"S_RECOVERY_DC\" [ fontcolor = \"green\" ]\n" " \"S_INTEGRATION\" [ fontcolor = \"green\" ]\n" " \"S_POLICY_ENGINE\" [ fontcolor = \"green\" ]\n" " \"S_TRANSITION_ENGINE\" [ fontcolor = \"green\" ]\n" " \"S_RELEASE_DC\" [ fontcolor = \"green\" ]\n" " \"S_IDLE\" [ fontcolor = \"green\" ]\n"; static FILE *dot_strm = NULL; enum crmd_fsa_state fsa_state; oc_node_list_t *fsa_membership_copy; ll_cluster_t *fsa_cluster_conn; ll_lrm_t *fsa_lrm_conn; long long fsa_input_register; const char *fsa_our_uname; fsa_timer_t *election_trigger = NULL; /* */ fsa_timer_t *election_timeout = NULL; /* */ fsa_timer_t *shutdown_escalation_timmer = NULL; /* */ fsa_timer_t *integration_timer = NULL; fsa_timer_t *dc_heartbeat = NULL; long long toggle_bit(long long action_list, long long action) { -// CRM_DEBUG2("Toggling bit %.16llx", action); +// CRM_DEBUG("Toggling bit %.16llx", action); action_list ^= action; -// CRM_DEBUG2("Result %.16llx", action_list & action); +// CRM_DEBUG("Result %.16llx", action_list & action); return action_list; } long long clear_bit(long long action_list, long long action) { -// CRM_DEBUG2("Clearing bit\t%.16llx", action); +// CRM_DEBUG("Clearing bit\t%.16llx", action); // ensure its set action_list |= action; // then toggle action_list = action_list ^ action; return action_list; } long long set_bit(long long action_list, long long action) { -// CRM_DEBUG2("Adding bit\t%.16llx", action); +// CRM_DEBUG("Adding bit\t%.16llx", action); action_list |= action; return action_list; } void toggle_bit_inplace(long long *action_list, long long action) { *action_list = toggle_bit(*action_list, action); } void clear_bit_inplace(long long *action_list, long long action) { *action_list = clear_bit(*action_list, action); } void set_bit_inplace(long long *action_list, long long action) { *action_list = set_bit(*action_list, action); } gboolean is_set(long long action_list, long long action) { -// CRM_DEBUG2("Checking bit\t%.16llx", action); +// CRM_DEBUG("Checking bit\t%.16llx", action); return ((action_list & action) == action); } gboolean startTimer(fsa_timer_t *timer) { if(((int)timer->source_id) < 0) { timer->source_id = Gmain_timeout_add(timer->period_ms, timer->callback, (void*)timer); /* - CRM_DEBUG3("#!!#!!# Started %s timer (%d)", + CRM_DEBUG("#!!#!!# Started %s timer (%d)", fsa_input2string(timer->fsa_input), timer->source_id); */ } else { cl_log(LOG_INFO, "#!!#!!# Timer %s already running (%d)", fsa_input2string(timer->fsa_input), timer->source_id); return FALSE; } return TRUE; } gboolean stopTimer(fsa_timer_t *timer) { if(((int)timer->source_id) > 0) { /* - CRM_DEBUG3("#!!#!!# Stopping %s timer (%d)", + CRM_DEBUG("#!!#!!# Stopping %s timer (%d)", fsa_input2string(timer->fsa_input), timer->source_id); */ g_source_remove(timer->source_id); timer->source_id = -2; } else { cl_log(LOG_INFO, "#!!#!!# Timer %s already stopped (%d)", fsa_input2string(timer->fsa_input), timer->source_id); return FALSE; } return TRUE; } enum crmd_fsa_state s_crmd_fsa(enum crmd_fsa_cause cause, enum crmd_fsa_input initial_input, void *data) { long long actions = A_NOTHING, new_actions = A_NOTHING; enum crmd_fsa_input last_input = initial_input; enum crmd_fsa_input cur_input; enum crmd_fsa_input next_input; enum crmd_fsa_state last_state, cur_state, next_state, starting_state; FNIN(); starting_state = fsa_state; cur_input = initial_input; next_input = initial_input; last_state = starting_state; cur_state = starting_state; next_state = starting_state; #ifdef FSA_TRACE - CRM_DEBUG4("FSA invoked with Cause: %s\n\tState: %s, Input: %s", + CRM_DEBUG("FSA invoked with Cause: %s\n\tState: %s, Input: %s", fsa_cause2string(cause), fsa_state2string(cur_state), fsa_input2string(cur_input)); #endif if(dot_strm == NULL) { dot_strm = fopen("/tmp/live.dot", "w"); fprintf(dot_strm, "%s", dot_intro); } /* * Process actions in order of priority but do only one * action at a time to avoid complicating the ordering. * * Actions may result in a new I_ event, these are added to * (not replace) existing actions before the next iteration. * */ while(next_input != I_NULL || actions != A_NOTHING) { if(next_input == I_WAIT_FOR_EVENT) { /* we may be waiting for an a-sync task to "happen" * and until it does, we cant do anything else */ cl_log(LOG_INFO, "Wait until something else happens"); break; } cur_input = next_input; #ifdef FSA_TRACE - CRM_DEBUG3("FSA while loop:\tState: %s, Input: %s", + CRM_DEBUG("FSA while loop:\tState: %s, Input: %s", fsa_state2string(cur_state), fsa_input2string(cur_input)); #endif new_actions = crmd_fsa_actions[cur_input][cur_state]; next_state = crmd_fsa_state[cur_input][cur_state]; last_state = cur_state; cur_state = next_state; fsa_state = next_state; if(new_actions != A_NOTHING) { #ifdef FSA_TRACE - CRM_DEBUG2("Adding actions %.16llx", new_actions); + CRM_DEBUG("Adding actions %.16llx", new_actions); #endif actions |= new_actions; } switch(cur_input) { case I_NULL: break; #if 0 case I_SOME_EVENT: case I_SOME_OTHER_EVENT: cc_transitioner(cur_input, data); /* flow through... */ #endif default: last_input = cur_input; break; } /* * Hook for change of state. * Allows actions to be added or removed when entering a state */ if(last_state != cur_state){ actions = do_state_transition(actions, cause, last_state, cur_state, last_input, data); } /* this is always run, some inputs/states may make various * actions irrelevant/invalid */ actions = clear_flags(actions, cause, cur_state, cur_input); /* regular action processing in order of action priority * * Make sure all actions that connect to required systems * are performed first */ if(actions == A_NOTHING) { cl_log(LOG_INFO, "Nothing to do"); next_input = I_NULL; /* // check registers, see if anything is pending if(is_set(fsa_input_register, R_SHUTDOWN)) { CRM_DEBUG("(Re-)invoking shutdown"); next_input = I_SHUTDOWN; } else if(is_set(fsa_input_register, R_INVOKE_PE)) { CRM_DEBUG("Invoke the PE somehow"); } */ } /* logging */ ELSEIF_FSA_ACTION(A_ERROR, do_log) ELSEIF_FSA_ACTION(A_WARN, do_log) ELSEIF_FSA_ACTION(A_LOG, do_log) /* get out of here NOW! before anything worse happens */ ELSEIF_FSA_ACTION(A_EXIT_1, do_exit) ELSEIF_FSA_ACTION(A_STARTUP, do_startup) ELSEIF_FSA_ACTION(A_CIB_START, do_cib_control) ELSEIF_FSA_ACTION(A_HA_CONNECT, do_ha_control) ELSEIF_FSA_ACTION(A_LRM_CONNECT,do_lrm_control) ELSEIF_FSA_ACTION(A_CCM_CONNECT,do_ccm_control) ELSEIF_FSA_ACTION(A_ANNOUNCE, do_announce) /* sub-system start */ ELSEIF_FSA_ACTION(A_PE_START, do_pe_control) ELSEIF_FSA_ACTION(A_TE_START, do_te_control) /* sub-system restart */ ELSEIF_FSA_ACTION(O_CIB_RESTART,do_cib_control) ELSEIF_FSA_ACTION(O_PE_RESTART, do_pe_control) ELSEIF_FSA_ACTION(O_TE_RESTART, do_te_control) ELSEIF_FSA_ACTION(A_STARTED, do_started) /* DC Timer */ ELSEIF_FSA_ACTION(O_DC_TIMER_RESTART, do_dc_timer_control) ELSEIF_FSA_ACTION(A_DC_TIMER_STOP, do_dc_timer_control) ELSEIF_FSA_ACTION(A_DC_TIMER_START, do_dc_timer_control) /* * Highest priority actions */ ELSEIF_FSA_ACTION(A_SHUTDOWN_REQ, do_shutdown_req) ELSEIF_FSA_ACTION(A_MSG_ROUTE, do_msg_route) ELSEIF_FSA_ACTION(A_RECOVER, do_recover) ELSEIF_FSA_ACTION(A_ELECTION_VOTE, do_election_vote) ELSEIF_FSA_ACTION(A_ELECT_TIMER_START, do_election_timer_ctrl) ELSEIF_FSA_ACTION(A_ELECT_TIMER_STOP, do_election_timer_ctrl) ELSEIF_FSA_ACTION(A_ELECTION_COUNT, do_election_count_vote) ELSEIF_FSA_ACTION(A_ELECTION_TIMEOUT, do_election_timer_ctrl) /* * "Get this over with" actions */ ELSEIF_FSA_ACTION(A_MSG_STORE, do_msg_store) ELSEIF_FSA_ACTION(A_NODE_BLOCK, do_node_block) /* * High priority actions * Update the cache first */ ELSEIF_FSA_ACTION(A_CCM_UPDATE_CACHE, do_ccm_update_cache) ELSEIF_FSA_ACTION(A_CCM_EVENT, do_ccm_event) /* * Medium priority actions */ ELSEIF_FSA_ACTION(A_DC_TAKEOVER, do_dc_takeover) ELSEIF_FSA_ACTION(A_DC_RELEASE, do_dc_release) ELSEIF_FSA_ACTION(A_JOIN_WELCOME_ALL, do_send_welcome) ELSEIF_FSA_ACTION(A_JOIN_WELCOME, do_send_welcome) ELSEIF_FSA_ACTION(A_JOIN_ACK, do_ack_welcome) ELSEIF_FSA_ACTION(A_JOIN_PROCESS_ACK, do_process_welcome_ack) /* * Low(er) priority actions * Make sure the CIB is always updated before invoking the * PE, and the PE before the TE */ ELSEIF_FSA_ACTION(A_UPDATE_NODESTATUS, do_lrm_invoke) ELSEIF_FSA_ACTION(A_CIB_INVOKE_LOCAL, do_cib_invoke) ELSEIF_FSA_ACTION(A_CIB_INVOKE, do_cib_invoke) ELSEIF_FSA_ACTION(A_CIB_BUMPGEN, do_cib_invoke) ELSEIF_FSA_ACTION(A_LRM_INVOKE, do_lrm_invoke) ELSEIF_FSA_ACTION(A_LRM_EVENT, do_lrm_event) ELSEIF_FSA_ACTION(A_PE_INVOKE, do_pe_invoke) ELSEIF_FSA_ACTION(A_TE_INVOKE, do_te_invoke) /* sub-system stop */ ELSEIF_FSA_ACTION(A_PE_STOP, do_pe_control) ELSEIF_FSA_ACTION(A_TE_STOP, do_te_control) ELSEIF_FSA_ACTION(A_DC_RELEASED, do_dc_release) ELSEIF_FSA_ACTION(A_HA_DISCONNECT, do_ha_control) ELSEIF_FSA_ACTION(A_CCM_DISCONNECT, do_ccm_control) ELSEIF_FSA_ACTION(A_LRM_DISCONNECT, do_lrm_control) ELSEIF_FSA_ACTION(A_CIB_STOP, do_cib_control) /* time to go now... */ /* Some of these can probably be consolidated */ ELSEIF_FSA_ACTION(A_SHUTDOWN, do_shutdown) ELSEIF_FSA_ACTION(A_STOP, do_stop) /* exit gracefully */ ELSEIF_FSA_ACTION(A_EXIT_0, do_exit) // ELSEIF_FSA_ACTION(A_, do_) else if(is_message()) { xmlNodePtr stored_msg = NULL; fsa_message_queue_t msg = get_message(); if(msg == NULL || msg->message == NULL) { cl_log(LOG_ERR, "Invalid stored message"); continue; } data = msg->message; #ifdef DOT_FSA_ACTIONS fprintf(dot_strm, "\t// %s:\t%s\t(data? %s)", fsa_input2string(cur_input), fsa_action2string(A_MSG_PROCESS), stored_msg==NULL?"no":"yes"); fflush(dot_strm); #endif #ifdef FSA_TRACE - CRM_DEBUG3("Invoking action %s (%.16llx)", + CRM_DEBUG("Invoking action %s (%.16llx)", fsa_action2string(A_MSG_PROCESS), A_MSG_PROCESS); #endif stored_msg = (xmlNodePtr)data; #ifdef FSA_TRACE xml_message_debug(stored_msg,"FSA processing message"); #endif next_input = handle_message(stored_msg); #ifdef DOT_FSA_ACTIONS fprintf(dot_strm, "\t(result=%s)\n", fsa_input2string(next_input)); #endif - CRM_DEBUG3("Result of action %s was %s", + CRM_DEBUG("Result of action %s was %s", fsa_action2string(A_MSG_PROCESS), fsa_input2string(next_input)); /* Error checking and reporting */ } else if(cur_input != I_NULL && is_set(actions, A_NOTHING)) { cl_log(LOG_WARNING, "No action specified for input,state (%s,%s)", fsa_input2string(cur_input), fsa_state2string(cur_state)); next_input = I_NULL; } else if(cur_input == I_NULL && is_set(actions, A_NOTHING)) { #ifdef FSA_TRACE cl_log(LOG_INFO, "Nothing left to do"); #endif } else { cl_log(LOG_ERR, "Action %s (0x%llx) not supported ", fsa_action2string(actions), actions); next_input = I_ERROR; } } #ifdef FSA_TRACE - CRM_DEBUG2("################# Exiting the FSA (%s) ##################", + CRM_DEBUG("################# Exiting the FSA (%s) ##################", fsa_state2string(fsa_state)); #endif // cleanup inputs? FNRET(fsa_state); } /* A_NODE_BLOCK */ enum crmd_fsa_input do_node_block(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { xmlNodePtr xml_message = (xmlNodePtr)data; const char *host_from = xmlGetProp(xml_message, XML_ATTR_HOSTFROM); FNIN(); (void)host_from; FNRET(I_NULL); } const char * fsa_input2string(int input) { const char *inputAsText = NULL; switch(input){ case I_NULL: inputAsText = "I_NULL"; break; case I_CCM_EVENT: inputAsText = "I_CCM_EVENT"; break; case I_CIB_OP: inputAsText = "I_CIB_OP"; break; case I_CIB_UPDATE: inputAsText = "I_CIB_UPDATE"; break; case I_DC_TIMEOUT: inputAsText = "I_DC_TIMEOUT"; break; case I_ELECTION: inputAsText = "I_ELECTION"; break; case I_RELEASE_DC: inputAsText = "I_RELEASE_DC"; break; case I_ELECTION_DC: inputAsText = "I_ELECTION_DC"; break; case I_ERROR: inputAsText = "I_ERROR"; break; case I_FAIL: inputAsText = "I_FAIL"; break; case I_INTEGRATION_TIMEOUT: inputAsText = "I_INTEGRATION_TIMEOUT"; break; case I_NODE_JOIN: inputAsText = "I_NODE_JOIN"; break; case I_NODE_LEFT: inputAsText = "I_NODE_LEFT"; break; case I_NODE_LEAVING: inputAsText = "I_NODE_LEAVING"; break; case I_NOT_DC: inputAsText = "I_NOT_DC"; break; case I_RECOVERED: inputAsText = "I_RECOVERED"; break; case I_RELEASE_FAIL: inputAsText = "I_RELEASE_FAIL"; break; case I_RELEASE_SUCCESS: inputAsText = "I_RELEASE_SUCCESS"; break; case I_RESTART: inputAsText = "I_RESTART"; break; case I_REQUEST: inputAsText = "I_REQUEST"; break; case I_ROUTER: inputAsText = "I_ROUTER"; break; case I_SHUTDOWN: inputAsText = "I_SHUTDOWN"; break; /* case I_SHUTDOWN_REQ: */ /* inputAsText = "I_SHUTDOWN_REQ"; */ /* break; */ case I_STARTUP: inputAsText = "I_STARTUP"; break; case I_SUCCESS: inputAsText = "I_SUCCESS"; break; case I_TERMINATE: inputAsText = "I_TERMINATE"; break; case I_WELCOME: inputAsText = "I_WELCOME"; break; case I_WELCOME_ACK: inputAsText = "I_WELCOME_ACK"; break; case I_DC_HEARTBEAT: inputAsText = "I_DC_HEARTBEAT"; break; case I_ILLEGAL: inputAsText = "I_ILLEGAL"; break; } if(inputAsText == NULL) { cl_log(LOG_ERR, "Input %d is unknown", input); inputAsText = ""; } return inputAsText; } const char * fsa_state2string(int state) { const char *stateAsText = NULL; switch(state){ case S_IDLE: stateAsText = "S_IDLE"; break; case S_ELECTION: stateAsText = "S_ELECTION"; break; case S_INTEGRATION: stateAsText = "S_INTEGRATION"; break; case S_NOT_DC: stateAsText = "S_NOT_DC"; break; case S_POLICY_ENGINE: stateAsText = "S_POLICY_ENGINE"; break; case S_RECOVERY: stateAsText = "S_RECOVERY"; break; case S_RECOVERY_DC: stateAsText = "S_RECOVERY_DC"; break; case S_RELEASE_DC: stateAsText = "S_RELEASE_DC"; break; case S_PENDING: stateAsText = "S_PENDING"; break; case S_STOPPING: stateAsText = "S_STOPPING"; break; case S_TERMINATE: stateAsText = "S_TERMINATE"; break; case S_TRANSITION_ENGINE: stateAsText = "S_TRANSITION_ENGINE"; break; case S_ILLEGAL: stateAsText = "S_ILLEGAL"; break; } if(stateAsText == NULL) { cl_log(LOG_ERR, "State %d is unknown", state); stateAsText = ""; } return stateAsText; } const char * fsa_cause2string(int cause) { const char *causeAsText = NULL; switch(cause){ case C_UNKNOWN: causeAsText = "C_UNKNOWN"; break; case C_STARTUP: causeAsText = "C_STARTUP"; break; case C_IPC_MESSAGE: causeAsText = "C_IPC_MESSAGE"; break; case C_HA_MESSAGE: causeAsText = "C_HA_MESSAGE"; break; case C_CCM_CALLBACK: causeAsText = "C_CCM_CALLBACK"; break; case C_TIMER_POPPED: causeAsText = "C_TIMER_POPPED"; break; case C_SHUTDOWN: causeAsText = "C_SHUTDOWN"; break; case C_HEARTBEAT_FAILED: causeAsText = "C_HEARTBEAT_FAILED"; break; case C_ILLEGAL: causeAsText = "C_ILLEGAL"; break; } if(causeAsText == NULL) { cl_log(LOG_ERR, "Cause %d is unknown", cause); causeAsText = ""; } return causeAsText; } const char * fsa_action2string(long long action) { const char *actionAsText = NULL; switch(action){ case A_NOTHING: actionAsText = "A_NOTHING"; break; case O_SHUTDOWN: actionAsText = "O_SHUTDOWN"; break; case O_RELEASE: actionAsText = "O_RELEASE"; break; case A_STARTUP: actionAsText = "A_STARTUP"; break; case A_STARTED: actionAsText = "A_STARTED"; break; case A_HA_CONNECT: actionAsText = "A_HA_CONNECT"; break; case A_HA_DISCONNECT: actionAsText = "A_HA_DISCONNECT"; break; case A_LRM_CONNECT: actionAsText = "A_LRM_CONNECT"; break; case A_LRM_DISCONNECT: actionAsText = "A_LRM_DISCONNECT"; break; case O_DC_TIMER_RESTART: actionAsText = "O_DC_TIMER_RESTART"; break; case A_DC_TIMER_STOP: actionAsText = "A_DC_TIMER_STOP"; break; case A_DC_TIMER_START: actionAsText = "A_DC_TIMER_START"; break; case A_ELECTION_COUNT: actionAsText = "A_ELECTION_COUNT"; break; case A_ELECTION_TIMEOUT: actionAsText = "A_ELECTION_TIMEOUT"; break; case A_ELECT_TIMER_START: actionAsText = "A_ELECT_TIMER_START"; break; case A_ELECT_TIMER_STOP: actionAsText = "A_ELECT_TIMER_STOP"; break; case A_ELECTION_VOTE: actionAsText = "A_ELECTION_VOTE"; break; case A_ANNOUNCE: actionAsText = "A_ANNOUNCE"; break; case A_JOIN_ACK: actionAsText = "A_JOIN_ACK"; break; case A_JOIN_WELCOME: actionAsText = "A_JOIN_WELCOME"; break; case A_JOIN_WELCOME_ALL: actionAsText = "A_JOIN_WELCOME_ALL"; break; case A_JOIN_PROCESS_ACK: actionAsText = "A_JOIN_PROCESS_ACK"; break; case A_MSG_PROCESS: actionAsText = "A_MSG_PROCESS"; break; case A_MSG_ROUTE: actionAsText = "A_MSG_ROUTE"; break; case A_MSG_STORE: actionAsText = "A_MSG_STORE"; break; case A_RECOVER: actionAsText = "A_RECOVER"; break; case A_DC_RELEASE: actionAsText = "A_DC_RELEASE"; break; case A_DC_RELEASED: actionAsText = "A_DC_RELEASED"; break; case A_DC_TAKEOVER: actionAsText = "A_DC_TAKEOVER"; break; case A_SHUTDOWN: actionAsText = "A_SHUTDOWN"; break; case A_SHUTDOWN_REQ: actionAsText = "A_SHUTDOWN_REQ"; break; case A_STOP: actionAsText = "A_STOP "; break; case A_EXIT_0: actionAsText = "A_EXIT_0"; break; case A_EXIT_1: actionAsText = "A_EXIT_1"; break; case A_CCM_CONNECT: actionAsText = "A_CCM_CONNECT"; break; case A_CCM_DISCONNECT: actionAsText = "A_CCM_DISCONNECT"; break; case A_CCM_EVENT: actionAsText = "A_CCM_EVENT"; break; case A_CCM_UPDATE_CACHE: actionAsText = "A_CCM_UPDATE_CACHE"; break; case A_CIB_BUMPGEN: actionAsText = "A_CIB_BUMPGEN"; break; case A_CIB_INVOKE: actionAsText = "A_CIB_INVOKE"; break; case O_CIB_RESTART: actionAsText = "O_CIB_RESTART"; break; case A_CIB_START: actionAsText = "A_CIB_START"; break; case A_CIB_STOP: actionAsText = "A_CIB_STOP"; break; case A_TE_INVOKE: actionAsText = "A_TE_INVOKE"; break; case O_TE_RESTART: actionAsText = "O_TE_RESTART"; break; case A_TE_START: actionAsText = "A_TE_START"; break; case A_TE_STOP: actionAsText = "A_TE_STOP"; break; case A_PE_INVOKE: actionAsText = "A_PE_INVOKE"; break; case O_PE_RESTART: actionAsText = "O_PE_RESTART"; break; case A_PE_START: actionAsText = "A_PE_START"; break; case A_PE_STOP: actionAsText = "A_PE_STOP"; break; case A_NODE_BLOCK: actionAsText = "A_NODE_BLOCK"; break; case A_UPDATE_NODESTATUS: actionAsText = "A_UPDATE_NODESTATUS"; break; case A_LOG: actionAsText = "A_LOG "; break; case A_ERROR: actionAsText = "A_ERROR "; break; case A_WARN: actionAsText = "A_WARN "; break; } if(actionAsText == NULL) { cl_log(LOG_ERR, "Action %.16llx is unknown", action); actionAsText = ""; } return actionAsText; } long long do_state_transition(long long actions, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_state next_state, enum crmd_fsa_input current_input, void *data) { long long tmp = A_NOTHING; if(current_input != I_NULL && (current_input != I_DC_HEARTBEAT || cur_state != S_NOT_DC)){ const char *state_from = fsa_state2string(cur_state); const char *state_to = fsa_state2string(next_state); const char *input = fsa_input2string(current_input); time_t now = time(NULL); fprintf(dot_strm, "\t\"%s\" -> \"%s\" [ label =\"%s\" ] // %s", state_from, state_to, input, asctime(localtime(&now))); fflush(dot_strm); } switch(next_state) { case S_PENDING: case S_NOT_DC: if(is_set(fsa_input_register, R_SHUTDOWN)){ tmp = set_bit(actions, A_SHUTDOWN_REQ); } tmp = clear_bit(actions, A_RECOVER); break; case S_RECOVERY_DC: case S_RECOVERY: tmp = set_bit(actions, A_RECOVER); break; default: tmp = clear_bit(actions, A_RECOVER); break; } if(tmp != actions) { cl_log(LOG_INFO, "Action b4 %.16llx ", actions); cl_log(LOG_INFO, "Action after %.16llx ", tmp); actions = tmp; } return actions; } long long clear_flags(long long actions, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input) { if(is_set(fsa_input_register, R_SHUTDOWN)){ clear_bit_inplace(&actions, A_DC_TIMER_START); } switch(cur_state) { case S_IDLE: break; case S_ELECTION: break; case S_INTEGRATION: break; case S_NOT_DC: break; case S_POLICY_ENGINE: break; case S_RECOVERY: break; case S_RECOVERY_DC: break; case S_RELEASE_DC: break; case S_PENDING: break; case S_STOPPING: break; case S_TERMINATE: break; case S_TRANSITION_ENGINE: break; case S_ILLEGAL: break; } return actions; } diff --git a/crm/crmd/messages.c b/crm/crmd/messages.c index 7654d7cb96..bca71910a2 100644 --- a/crm/crmd/messages.c +++ b/crm/crmd/messages.c @@ -1,848 +1,848 @@ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include #include #include #include #include #include #include FILE *msg_in_strm = NULL; FILE *router_strm = NULL; fsa_message_queue_t fsa_message_queue = NULL; gboolean relay_message(xmlNodePtr xml_relay_message, gboolean originated_locally); #ifdef MSG_LOG # define ROUTER_RESULT(x) char *msg_text = dump_xml(xml_relay_message);\ if(router_strm == NULL) { \ router_strm = fopen("/tmp/router.log", "w"); \ } \ fprintf(router_strm, "[%d RESULT (%s)]\t%s\t%s\n", \ AM_I_DC, \ xmlGetProp(xml_relay_message, XML_ATTR_REFERENCE),\ x, msg_text); \ fflush(router_strm); \ cl_free(msg_text); #else # define ROUTER_RESULT(x) CRM_DEBUG(x); #endif /* returns the current head of the FIFO queue */ fsa_message_queue_t put_message(xmlNodePtr new_message) { fsa_message_queue_t next_message = (fsa_message_queue_t) cl_malloc(sizeof(struct fsa_message_queue_s)); CRM_DEBUG("Adding msg to queue"); next_message->message = new_message; next_message->next = NULL; if(fsa_message_queue == NULL) { fsa_message_queue = next_message; } else { fsa_message_queue->next = next_message; } CRM_DEBUG("Added msg to queue"); return fsa_message_queue; } /* returns the next message */ fsa_message_queue_t get_message(void) { fsa_message_queue_t next_message = NULL; if(fsa_message_queue != NULL) { next_message = fsa_message_queue; fsa_message_queue = fsa_message_queue->next; next_message->next = NULL; } return next_message; } /* returns the current head of the FIFO queue */ gboolean is_message(void) { return (fsa_message_queue != NULL && fsa_message_queue->message != NULL); } /* A_MSG_STORE */ enum crmd_fsa_input do_msg_store(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { // xmlNodePtr new_message = (xmlNodePtr)data; FNIN(); // put_message(new_message); FNRET(I_NULL); } /* A_MSG_ROUTE */ enum crmd_fsa_input do_msg_route(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { enum crmd_fsa_input result = I_NULL; xmlNodePtr xml_message = (xmlNodePtr)data; gboolean routed = FALSE, defer = TRUE, do_process = TRUE; FNIN(); #if 0 // if(cause == C_IPC_MESSAGE) { if (crmd_authorize_message(root_xml_node, msg, curr_client) == FALSE) { CRM_DEBUG("Message not authorized"); do_process = FALSE; } // } #endif if(do_process) { /* try passing the buck first */ routed = relay_message(xml_message, cause==C_IPC_MESSAGE); if(routed == FALSE) { defer = TRUE; /* calculate defer */ result = handle_message(xml_message); switch(result) { case I_NULL: defer = FALSE; break; case I_DC_HEARTBEAT: defer = FALSE; break; /* what else should go here? */ default: CRM_DEBUG("Defering local processing of message"); put_message(xml_message); result = I_REQUEST; break; } } } FNRET(result); } void crmd_ha_input_callback(const struct ha_msg* msg, void* private_data) { const char *from = ha_msg_value(msg, F_ORIG); const char *to = NULL; xmlNodePtr root_xml_node; FNIN(); #ifdef MSG_LOG if(msg_in_strm == NULL) { msg_in_strm = fopen("/tmp/inbound.log", "w"); } #endif if(from == NULL || strcmp(from, fsa_our_uname) == 0) { #ifdef MSG_LOG fprintf(msg_in_strm, "Discarded message [F_SEQ=%s] from ourselves.\n", ha_msg_value(msg, F_SEQ)); #endif FNOUT(); } #ifdef MSG_LOG fprintf(msg_in_strm, "[%s (%s:%s)]\t%s\n", from, ha_msg_value(msg, F_SEQ), ha_msg_value(msg, F_TYPE), ha_msg_value(msg, "xml") ); fflush(msg_in_strm); #endif root_xml_node = find_xml_in_hamessage(msg); to = xmlGetProp(root_xml_node, XML_ATTR_HOSTTO); if(to != NULL && strlen(to) > 0 && strcmp(to, fsa_our_uname) != 0) { #ifdef MSG_LOG fprintf(msg_in_strm, "Discarding message [F_SEQ=%s] for someone else.", ha_msg_value(msg, F_SEQ)); #endif FNOUT(); } set_xml_property_copy(root_xml_node, XML_ATTR_HOSTFROM, from); s_crmd_fsa(C_HA_MESSAGE, I_ROUTER, root_xml_node); free_xml(root_xml_node); FNOUT(); } /* * Apparently returning TRUE means "stay connected, keep doing stuff". * Returning FALSE means "we're all done, close the connection" */ gboolean crmd_ipc_input_callback(IPC_Channel *client, gpointer user_data) { int lpc = 0; char *buffer = NULL; IPC_Message *msg = NULL; gboolean hack_return_good = TRUE; xmlNodePtr root_xml_node; crmd_client_t *curr_client = (crmd_client_t*)user_data; FNIN(); - CRM_DEBUG2("Processing IPC message from %s", + CRM_DEBUG("Processing IPC message from %s", curr_client->table_key); while(client->ops->is_message_pending(client)) { if (client->ch_status == IPC_DISCONNECT) { /* The message which was pending for us is that * the IPC status is now IPC_DISCONNECT */ break; } if (client->ops->recv(client, &msg) != IPC_OK) { perror("Receive failure:"); FNRET(!hack_return_good); } if (msg == NULL) { CRM_DEBUG("No message this time"); continue; } lpc++; buffer = (char*)msg->msg_body; - CRM_DEBUG3("Processing xml from %s [text=%s]", + CRM_DEBUG("Processing xml from %s [text=%s]", curr_client->table_key, buffer); root_xml_node = find_xml_in_ipcmessage(msg, FALSE); if (root_xml_node != NULL) { if (crmd_authorize_message(root_xml_node, msg, curr_client)) { CRM_DEBUG("Message authorized,about to relay"); s_crmd_fsa(C_IPC_MESSAGE, I_ROUTER, root_xml_node); } else { CRM_DEBUG("Message not authorized"); } } else { cl_log(LOG_INFO, "IPC Message was not valid... discarding."); } free_xml(root_xml_node); msg->msg_done(msg); msg = NULL; buffer = NULL; root_xml_node = NULL; } - CRM_DEBUG2("Processed %d messages", lpc); + CRM_DEBUG("Processed %d messages", lpc); if (client->ch_status == IPC_DISCONNECT) { cl_log(LOG_INFO, "received HUP from %s", curr_client->table_key); if (curr_client != NULL) { struct crm_subsystem_s *the_subsystem = NULL; if (curr_client->sub_sys == NULL) CRM_DEBUG("Client had not registered with us yet"); else if (strcmp(CRM_SYSTEM_PENGINE, curr_client->sub_sys) == 0) the_subsystem = pe_subsystem; else if (strcmp(CRM_SYSTEM_TENGINE, curr_client->sub_sys) == 0) the_subsystem = te_subsystem; else if (strcmp(CRM_SYSTEM_CIB, curr_client->sub_sys) == 0) the_subsystem = cib_subsystem; if(the_subsystem != NULL) { cleanup_subsystem(the_subsystem); } // else that was a transient client if (curr_client->table_key != NULL) { /* * Key is destroyed below: curr_client->table_key * Value is cleaned up by G_main_del_IPC_Channel */ g_hash_table_remove(ipc_clients, curr_client->table_key); } if(curr_client->client_source != NULL) { gboolean det = G_main_del_IPC_Channel(curr_client->client_source); - CRM_DEBUG2("crm_client was %s detached", + CRM_DEBUG("crm_client was %s detached", det?"successfully":"not"); } cl_free(curr_client->table_key); cl_free(curr_client->sub_sys); cl_free(curr_client->uuid); cl_free(curr_client); } CRM_DEBUG("this client has now left the building."); FNRET(!hack_return_good); } FNRET(hack_return_good); } /* * This method adds a copy of xml_response_data */ gboolean send_request(xmlNodePtr msg_options, xmlNodePtr msg_data, const char *operation, const char *host_to, const char *sys_to) { gboolean was_sent = FALSE; xmlNodePtr request = NULL; FNIN(); msg_options = set_xml_attr(msg_options, XML_TAG_OPTIONS, XML_ATTR_OP, operation, TRUE); request = create_request(msg_options, msg_data, host_to, sys_to, AM_I_DC?CRM_SYSTEM_DC:CRM_SYSTEM_CRMD, NULL, NULL); // xml_message_debug(request, "Final request..."); was_sent = relay_message(request, TRUE); if(was_sent == FALSE) { put_message(request); } free_xml(request); FNRET(was_sent); } /* * This method adds a copy of xml_response_data */ gboolean store_request(xmlNodePtr msg_options, xmlNodePtr msg_data, const char *operation, const char *host_to, const char *sys_to) { xmlNodePtr request = NULL; FNIN(); msg_options = set_xml_attr(msg_options, XML_TAG_OPTIONS, XML_ATTR_OP, operation, TRUE); request = create_request(msg_options, msg_data, host_to, sys_to, AM_I_DC?CRM_SYSTEM_DC:CRM_SYSTEM_CRMD, NULL, NULL); put_message(request); FNRET(TRUE); } gboolean relay_message(xmlNodePtr xml_relay_message, gboolean originated_locally) { int is_for_dc = 0; int is_for_dcib = 0; int is_for_crm = 0; int is_for_cib = 0; int is_local = 0; gboolean dont_cc= TRUE; gboolean processing_complete = FALSE; const char *host_to = xmlGetProp(xml_relay_message, XML_ATTR_HOSTTO); const char *sys_to = xmlGetProp(xml_relay_message, XML_ATTR_SYSTO); const char *sys_cc = get_xml_attr(xml_relay_message, XML_TAG_OPTIONS, XML_ATTR_SYSCC, FALSE); FNIN(); if(xml_relay_message == NULL) { cl_log(LOG_ERR, "Cannot route empty message"); FNRET(TRUE); } if(strcmp("hello", xml_relay_message->name) == 0) { /* quietly ignore */ FNRET(TRUE); } if(strcmp(XML_MSG_TAG, xml_relay_message->name) != 0) { xml_message_debug(xml_relay_message, "Bad message type, should be crm_message"); cl_log(LOG_ERR, "Ignoring message of type %s", xml_relay_message->name); FNRET(TRUE); } if(sys_to == NULL) { xml_message_debug(xml_relay_message, "Message did not have any value for sys_to"); cl_log(LOG_ERR, "Message did not have any value for %s", XML_ATTR_SYSTO); FNRET(TRUE); } is_for_dc = (strcmp(CRM_SYSTEM_DC, sys_to) == 0); is_for_dcib = (strcmp(CRM_SYSTEM_DCIB, sys_to) == 0); is_for_cib = (strcmp(CRM_SYSTEM_CIB, sys_to) == 0); is_for_crm = (strcmp(CRM_SYSTEM_CRMD, sys_to) == 0); is_local = 0; if(host_to == NULL || strlen(host_to) == 0) { if(is_for_dc) is_local = 0; else if(is_for_crm && originated_locally) is_local = 0; else is_local = 1; } else if(strcmp(fsa_our_uname, host_to) == 0) { is_local=1; } #if 0 - CRM_DEBUG2("is_local %d", is_local); - CRM_DEBUG2("is_for_dcib %d", is_for_dcib); - CRM_DEBUG2("is_for_dc %d", is_for_dc); - CRM_DEBUG2("is_for_crm %d", is_for_crm); - CRM_DEBUG2("AM_I_DC %d", AM_I_DC); - CRM_DEBUG2("sys_to %s", sys_to); - CRM_DEBUG2("host_to %s", host_to); + CRM_DEBUG("is_local %d", is_local); + CRM_DEBUG("is_for_dcib %d", is_for_dcib); + CRM_DEBUG("is_for_dc %d", is_for_dc); + CRM_DEBUG("is_for_crm %d", is_for_crm); + CRM_DEBUG("AM_I_DC %d", AM_I_DC); + CRM_DEBUG("sys_to %s", sys_to); + CRM_DEBUG("host_to %s", host_to); #endif /* if(AM_I_DC && sys_cc != NULL && strcmp(sys_cc, CRM_SYSTEM_DC) == 0) { dont_cc = FALSE; } */ (void)sys_cc; if(is_for_dc || is_for_dcib) { if(AM_I_DC) { ROUTER_RESULT("Message result: DC/CRMd process"); processing_complete = FALSE; // more to be done by caller } else if(originated_locally) { ROUTER_RESULT("Message result: External relay to DC"); send_msg_via_ha(xml_relay_message, NULL); processing_complete = TRUE; } else { ROUTER_RESULT("Message result: Discard, not DC"); processing_complete = TRUE; // discard } } else if(is_local && (is_for_crm || is_for_cib)) { ROUTER_RESULT("Message result: CRMd process"); } else if(is_local) { if(dont_cc) { ROUTER_RESULT("Message result: Local relay"); } else { /* The DC should also get this message */ ROUTER_RESULT("Message result: Local relay with CC"); } send_msg_via_ipc(xml_relay_message, sys_to); processing_complete = TRUE & dont_cc; } else { if(dont_cc) { ROUTER_RESULT("Message result: External relay"); } else { /* The DC should also get this message */ ROUTER_RESULT("Message result: External relay with CC"); } send_msg_via_ha(xml_relay_message, host_to); processing_complete = TRUE & dont_cc; } FNRET(processing_complete); } void send_msg_via_ha(xmlNodePtr action, const char *dest_node) { FNIN(); if (action == NULL) FNOUT(); if (validate_crm_message(action, NULL, NULL, NULL) == NULL) { cl_log(LOG_ERR, "Relay message to (%s) via HA was invalid, ignoring", dest_node); FNOUT(); } -// CRM_DEBUG2("Relaying message to (%s) via HA", dest_node); +// CRM_DEBUG("Relaying message to (%s) via HA", dest_node); set_xml_property_copy(action, XML_ATTR_HOSTTO, dest_node); send_xmlha_message(fsa_cluster_conn, action); FNOUT(); } void send_msg_via_ipc(xmlNodePtr action, const char *sys) { IPC_Channel *client_channel; FNIN(); // cl_log(LOG_DEBUG, "relaying msg to sub_sys=%s via IPC", sys); client_channel = (IPC_Channel*)g_hash_table_lookup (ipc_clients, sys); if (client_channel != NULL) { cl_log(LOG_DEBUG, "Sending message via channel %s.", sys); send_xmlipc_message(client_channel, action); } else if(sys != NULL && strcmp(sys, CRM_SYSTEM_CIB) == 0) { cl_log(LOG_ERR, "Sub-system (%s) has been incorporated into the CRMd.", sys); xml_message_debug(action, "Change the way we handle"); relay_message(process_cib_message(action, TRUE), TRUE); } else if(sys != NULL && strcmp(sys, CRM_SYSTEM_LRMD) == 0) { do_lrm_invoke(A_LRM_INVOKE, C_IPC_MESSAGE, fsa_state, I_MESSAGE, action); } else { cl_log(LOG_ERR, "Unknown Sub-system (%s)... discarding message.", sys); } FNOUT(); } gboolean crmd_authorize_message(xmlNodePtr root_xml_node, IPC_Message *client_msg, crmd_client_t *curr_client) { // check the best case first const char *sys_from = xmlGetProp(root_xml_node, XML_ATTR_SYSFROM); char *uuid = NULL; char *client_name = NULL; char *major_version = NULL; char *minor_version = NULL; const char *filtered_from; gpointer table_key = NULL; gboolean result; FNIN(); if (sys_from != NULL) { gboolean can_reply = FALSE; // no-one has registered with this id filtered_from = sys_from; /* The CIB can have two names on the DC */ if(strcmp(sys_from, CRM_SYSTEM_DCIB) == 0) filtered_from = CRM_SYSTEM_CIB; if (g_hash_table_lookup (ipc_clients, filtered_from) != NULL) can_reply = TRUE; // reply can be routed - CRM_DEBUG3("Message reply can%s be routed from %s.", + CRM_DEBUG("Message reply can%s be routed from %s.", can_reply?"":" not", sys_from); FNRET(can_reply); } // otherwise, check if it was a hello message cl_log(LOG_INFO, "received client join msg: %s", (char*)client_msg->msg_body); result = process_hello_message(client_msg, &uuid, &client_name, &major_version, &minor_version); if (result == TRUE) { // check version int mav = atoi(major_version); int miv = atoi(minor_version); if (mav < 0 || miv < 0) { cl_log(LOG_ERR, "Client version (%d:%d) is not acceptable", mav, miv); result = FALSE; } cl_free(major_version); cl_free(minor_version); } if (result == TRUE) { /* if we already have one of those clients * only applies to te, pe etc. not admin clients */ struct crm_subsystem_s *the_subsystem = NULL; if (client_name == NULL) CRM_DEBUG("Client had not registered with us yet"); else if (strcmp(CRM_SYSTEM_PENGINE, client_name) == 0) the_subsystem = pe_subsystem; else if (strcmp(CRM_SYSTEM_TENGINE, client_name) == 0) the_subsystem = te_subsystem; else if (strcmp(CRM_SYSTEM_CIB, client_name) == 0) the_subsystem = cib_subsystem; if (the_subsystem != NULL) { // do we already have one? result = (fsa_input_register & the_subsystem->flag) == 0; set_bit_inplace(&fsa_input_register, the_subsystem->flag); if(result) { the_subsystem->ipc = curr_client->client_channel; } // else we didnt ask for the client to start } else if(client_name != NULL && uuid != NULL) { table_key = (gpointer) generate_hash_key(client_name, uuid); } else { result = FALSE; cl_log(LOG_ERR, "Bad client details (client_name=%s, uuid=%s)", client_name, uuid); } } if(result == TRUE && table_key == NULL) table_key = (gpointer)cl_strdup(client_name); if (result == TRUE) { cl_log(LOG_INFO, "Accepted client %s", (char*)table_key); curr_client->table_key = table_key; curr_client->sub_sys = cl_strdup(client_name); curr_client->uuid = cl_strdup(uuid); g_hash_table_insert (ipc_clients, table_key, curr_client->client_channel); send_hello_message(curr_client->client_channel, "n/a", CRM_SYSTEM_CRMD, "0", "1"); } else { cl_log(LOG_ERR, "Rejected client logon request"); curr_client->client_channel->ch_status = IPC_DISC_PENDING; } if(uuid != NULL) cl_free(uuid); if(client_name != NULL) cl_free(client_name); /* hello messages should never be processed further */ FNRET(FALSE); } enum crmd_fsa_input handle_message(xmlNodePtr stored_msg) { enum crmd_fsa_input next_input = I_NULL; const char *sys_to = get_xml_attr(stored_msg, NULL, XML_ATTR_SYSTO, TRUE); // const char *sys_from = get_xml_attr(stored_msg, NULL, // XML_ATTR_SYSFROM, TRUE); const char *type = get_xml_attr(stored_msg, NULL, XML_ATTR_MSGTYPE, TRUE); const char *op = get_xml_attr(stored_msg, XML_TAG_OPTIONS, XML_ATTR_OP, TRUE); // xml_message_debug(stored_msg, "Processing message"); if(type == NULL || op == NULL) { cl_log(LOG_ERR, "Ignoring message (type=%s), (op=%s)", type, op); xml_message_debug(stored_msg, "Bad message"); } else if(strcmp(type, XML_ATTR_REQUEST) == 0){ if(strcmp(op, CRM_OPERATION_VOTE) == 0) { next_input = I_ELECTION; } else if(strcmp(op, CRM_OPERATION_HBEAT) == 0) { next_input = I_DC_HEARTBEAT; } else if(strcmp(op, CRM_OPERATION_WELCOME) == 0) { next_input = I_WELCOME; } else if(strcmp(op, CRM_OPERATION_SHUTDOWN_REQ) == 0) { next_input = I_CIB_OP; } else if(strcmp(op, CRM_OPERATION_SHUTDOWN) == 0) { next_input = I_TERMINATE; } else if(strcmp(op, CRM_OPERATION_ANNOUNCE) == 0) { next_input = I_NODE_JOIN; } else if(strcmp(op, CRM_OPERATION_REPLACE) == 0 || strcmp(op, CRM_OPERATION_ERASE) == 0) { next_input = I_CIB_OP; fprintf(router_strm, "Message result: CIB Op\n"); } else if(AM_I_DC && (strcmp(op, CRM_OPERATION_CREATE) == 0 || strcmp(op, CRM_OPERATION_UPDATE) == 0 || strcmp(op, CRM_OPERATION_DELETE) == 0)) { /* updates should only be performed on the DC */ next_input = I_CIB_OP; } else if(strcmp(op, CRM_OPERATION_PING) == 0) { /* eventually do some stuff to figure out * if we /are/ ok */ xmlNodePtr ping = createPingAnswerFragment(sys_to, "ok"); xmlNodePtr wrapper = create_reply(stored_msg, ping); relay_message(wrapper, TRUE); free_xml(wrapper); } else { cl_log(LOG_ERR, "Unexpected request (op=%s) sent to the %s", op, AM_I_DC?"DC":"CRMd"); } } else if(strcmp(type, XML_ATTR_RESPONSE) == 0) { if(strcmp(op, CRM_OPERATION_WELCOME) == 0) { next_input = I_WELCOME_ACK; } else if(strcmp(op, CRM_OPERATION_VOTE) == 0 || strcmp(op, CRM_OPERATION_HBEAT) == 0 || strcmp(op, CRM_OPERATION_WELCOME) == 0 || strcmp(op, CRM_OPERATION_SHUTDOWN_REQ) == 0 || strcmp(op, CRM_OPERATION_SHUTDOWN) == 0 || strcmp(op, CRM_OPERATION_ANNOUNCE) == 0) { next_input = I_NULL; /* } else if(AM_I_DC */ /* && (strcmp(op, CRM_OPERATION_CREATE) == 0 */ /* || strcmp(op, CRM_OPERATION_UPDATE) == 0 */ /* || strcmp(op, CRM_OPERATION_DELETE) == 0 */ /* || strcmp(op, CRM_OPERATION_REPLACE) == 0 */ /* || strcmp(op, CRM_OPERATION_ERASE) == 0)) { */ /* // perhaps we should do somethign with these replies */ /* fprintf(router_strm, "Message result: CIB Reply\n"); */ } else { cl_log(LOG_ERR, "Unexpected response (op=%s) sent to the %s", op, AM_I_DC?"DC":"CRMd"); next_input = I_NULL; } } else { cl_log(LOG_ERR, "Unexpected message type %s", type); } -/* CRM_DEBUG3("%s: Next input is %s", __FUNCTION__, */ +/* CRM_DEBUG("%s: Next input is %s", __FUNCTION__, */ /* fsa_input2string(next_input)); */ return next_input; } void lrm_op_callback (lrm_op_t* op) { CRM_DEBUG("In lrm_op_callback()"); s_crmd_fsa(C_LRM_OP_CALLBACK, I_LRM_EVENT, op); } void lrm_monitor_callback (lrm_mon_t* monitor) { CRM_DEBUG("In lrm_monitor_callback()"); s_crmd_fsa(C_LRM_MONITOR_CALLBACK, I_LRM_EVENT, monitor); } diff --git a/crm/crmd/subsystems.c b/crm/crmd/subsystems.c index cf9dbef36a..33c24c48de 100644 --- a/crm/crmd/subsystems.c +++ b/crm/crmd/subsystems.c @@ -1,1069 +1,1069 @@ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include // for access #include #include #include // for calls to open #include // for calls to open #include // for calls to open #include // for getpwuid #include // for initgroups #include // for getrlimit #include // for getrlimit #include #include #include #include #include #include #include #include #include #include #include #define CLIENT_EXIT_WAIT 10 static gboolean stop_subsystem (struct crm_subsystem_s *centry); static gboolean start_subsystem(struct crm_subsystem_s *centry); static gboolean run_command (struct crm_subsystem_s *centry, const char *options, gboolean update_pid); xmlNodePtr do_lrm_query(void); GHashTable *xml2list(xmlNodePtr parent, const char **attr_path, int depth); gboolean lrm_dispatch(int fd, gpointer user_data); void do_update_resource(lrm_rsc_t *rsc, int status, int rc, const char *op_type); struct crm_subsystem_s *cib_subsystem = NULL; struct crm_subsystem_s *te_subsystem = NULL; struct crm_subsystem_s *pe_subsystem = NULL; void cleanup_subsystem(struct crm_subsystem_s *the_subsystem) { int pid_status = -1; the_subsystem->ipc = NULL; clear_bit_inplace(&fsa_input_register, the_subsystem->flag); /* Forcing client to die */ kill(the_subsystem->pid, -9); // cleanup the ps entry waitpid(the_subsystem->pid, &pid_status, WNOHANG); the_subsystem->pid = -1; } /* A_CIB_STOP, A_CIB_START, A_CIB_RESTART, */ enum crmd_fsa_input do_cib_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { enum crmd_fsa_input result = I_NULL; struct crm_subsystem_s *this_subsys = cib_subsystem; long long stop_actions = A_CIB_STOP; long long start_actions = A_CIB_START; FNIN(); if(action & stop_actions) { // dont do anything, its embedded now } if(action & start_actions) { if(cur_state != S_STOPPING) { if(startCib(CIB_FILENAME) == FALSE) result = I_FAIL; } else { cl_log(LOG_INFO, "Ignoring request to start %s after shutdown", this_subsys->command); } } FNRET(result); } /* A_CIB_INVOKE, A_CIB_BUMPGEN, A_UPDATE_NODESTATUS */ enum crmd_fsa_input do_cib_invoke(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { xmlNodePtr cib_msg = NULL; xmlNodePtr answer = NULL; xmlNodePtr tmp1 = NULL; xmlNodePtr tmp2 = NULL; xmlNodePtr new_options = NULL; const char *req_from; const char *section = NULL; FNIN(); if(data != NULL) cib_msg = (xmlNodePtr)data; if(action & A_CIB_INVOKE) { const char *op = xmlGetProp(cib_msg, XML_ATTR_OP); if(safe_str_eq(op, CRM_OPERATION_SHUTDOWN_REQ)){ // create update section tmp2 = create_xml_node(NULL, XML_CIB_TAG_STATE); req_from = xmlGetProp(cib_msg, XML_ATTR_HOSTFROM); set_xml_property_copy(tmp1, "id", req_from); set_xml_property_copy(tmp1, "exp_state", "shutdown"); // create fragment tmp1 = create_cib_fragment(tmp2, NULL); // add to cib_msg add_node_copy(cib_msg, tmp1); free_xml(tmp2); free_xml(tmp1); } set_xml_property_copy(cib_msg, XML_ATTR_SYSTO, "cib"); answer = process_cib_message(cib_msg, TRUE); if(relay_message(answer, TRUE) == FALSE) { cl_log(LOG_ERR, "Confused what to do with cib result"); xml_message_debug(answer, "Couldnt route: "); } if(AM_I_DC && (strcmp(op, CRM_OPERATION_CREATE) == 0 || strcmp(op, CRM_OPERATION_UPDATE) == 0 || strcmp(op, CRM_OPERATION_DELETE) == 0 || strcmp(op, CRM_OPERATION_REPLACE) == 0 || strcmp(op, CRM_OPERATION_WELCOME) == 0 || strcmp(op, CRM_OPERATION_SHUTDOWN_REQ) == 0 || strcmp(op, CRM_OPERATION_ERASE) == 0)) { FNRET(I_CIB_UPDATE); } // check the answer, see if we are interested in it also #if 0 if(interested in reply) { put_message(answer); FNRET(I_REQUEST); } #endif free_xml(answer); /* experimental */ } else if(action & A_CIB_INVOKE_LOCAL) { answer = process_cib_message(cib_msg, TRUE); put_message(answer); FNRET(I_REQUEST); } else if(action & A_CIB_BUMPGEN) { // check if the response was ok before next bit section = get_xml_attr(cib_msg, XML_TAG_OPTIONS, XML_ATTR_FILTER_TYPE, FALSE); /* set the section so that we dont always send the * whole thing */ if(section != NULL) { new_options = set_xml_attr(NULL, XML_TAG_OPTIONS, XML_ATTR_FILTER_TYPE, section, TRUE); } answer = process_cib_request(CRM_OPERATION_BUMP, new_options, NULL); free_xml(new_options); if(answer == NULL) { cl_log(LOG_ERR, "Result of BUMP in %s was NULL", __FUNCTION__); FNRET(I_FAIL); } send_request(NULL, answer, CRM_OPERATION_REPLACE, NULL, CRM_SYSTEM_CRMD); free_xml(answer); } else { cl_log(LOG_ERR, "Unexpected action %s in %s", fsa_action2string(action), __FUNCTION__); } FNRET(I_NULL); } /* A_PE_START, A_PE_STOP, A_TE_RESTART */ enum crmd_fsa_input do_pe_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { enum crmd_fsa_input result = I_NULL; struct crm_subsystem_s *this_subsys = pe_subsystem; long long stop_actions = A_PE_STOP; long long start_actions = A_PE_START; FNIN(); if(action & stop_actions) { if(stop_subsystem(this_subsys) == FALSE) result = I_FAIL; else if(this_subsys->pid > 0){ int lpc = CLIENT_EXIT_WAIT; int pid_status = -1; while(lpc-- > 0 && this_subsys->pid > 0 && CL_PID_EXISTS(this_subsys->pid)) { sleep(1); waitpid(this_subsys->pid, &pid_status, WNOHANG); } if(CL_PID_EXISTS(this_subsys->pid)) { cl_log(LOG_ERR, "Process %s is still active with pid=%d", this_subsys->command, this_subsys->pid); result = I_FAIL; } } cleanup_subsystem(this_subsys); } if(action & start_actions) { if(cur_state != S_STOPPING) { if(start_subsystem(this_subsys) == FALSE) { result = I_FAIL; cleanup_subsystem(this_subsys); } } else { cl_log(LOG_INFO, "Ignoring request to start %s while shutting down", this_subsys->command); } } FNRET(result); } /* A_PE_INVOKE */ enum crmd_fsa_input do_pe_invoke(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { FNIN(); stopTimer(integration_timer); cl_log(LOG_ERR, "Action %s (%.16llx) not supported\n", fsa_action2string(action), action); FNRET(I_NULL); } /* A_TE_START, A_TE_STOP, A_TE_RESTART */ enum crmd_fsa_input do_te_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { enum crmd_fsa_input result = I_NULL; struct crm_subsystem_s *this_subsys = te_subsystem; long long stop_actions = A_TE_STOP; long long start_actions = A_TE_START; FNIN(); /* if(action & stop_actions && cur_state != S_STOPPING */ /* && is_set(fsa_input_register, R_TE_PEND)) { */ /* result = I_WAIT_FOR_EVENT; */ /* FNRET(result); */ /* } */ if(action & stop_actions) { if(stop_subsystem(this_subsys) == FALSE) result = I_FAIL; else if(this_subsys->pid > 0){ int lpc = CLIENT_EXIT_WAIT; int pid_status = -1; while(lpc-- > 0 && this_subsys->pid > 0 && CL_PID_EXISTS(this_subsys->pid)) { sleep(1); waitpid(this_subsys->pid, &pid_status, WNOHANG); } if(CL_PID_EXISTS(this_subsys->pid)) { cl_log(LOG_ERR, "Process %s is still active with pid=%d", this_subsys->command, this_subsys->pid); result = I_FAIL; } } cleanup_subsystem(this_subsys); } if(action & start_actions) { if(cur_state != S_STOPPING) { if(start_subsystem(this_subsys) == FALSE) { result = I_FAIL; cleanup_subsystem(this_subsys); } } else { cl_log(LOG_INFO, "Ignoring request to start %s while shutting down", this_subsys->command); } } FNRET(result); } /* A_TE_INVOKE */ enum crmd_fsa_input do_te_invoke(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { FNIN(); cl_log(LOG_ERR, "Action %s (%.16llx) not supported\n", fsa_action2string(action), action); FNRET(I_NULL); } gboolean crmd_client_connect(IPC_Channel *client_channel, gpointer user_data) { FNIN(); CRM_DEBUG("A client tried to connect... and there was much rejoicing."); if (client_channel == NULL) { cl_log(LOG_ERR, "Channel was NULL"); } else if (client_channel->ch_status == IPC_DISCONNECT) { cl_log(LOG_ERR, "Channel was disconnected"); } else { crmd_client_t *blank_client = (crmd_client_t *)cl_malloc(sizeof(crmd_client_t)); if (blank_client == NULL) { cl_log(LOG_ERR, "Could not allocate memory for a blank crmd_client_t"); FNRET(FALSE); } client_channel->ops->set_recv_qlen(client_channel, 100); client_channel->ops->set_send_qlen(client_channel, 100); blank_client->client_channel = client_channel; blank_client->sub_sys = NULL; blank_client->uuid = NULL; blank_client->table_key = NULL; CRM_DEBUG("Adding IPC Channel to main thread."); blank_client->client_source = G_main_add_IPC_Channel(G_PRIORITY_LOW, client_channel, FALSE, crmd_ipc_input_callback, blank_client, default_ipc_input_destroy); } FNRET(TRUE); } static gboolean stop_subsystem(struct crm_subsystem_s* centry) { cl_log(LOG_INFO, "Stopping sub-system \"%s\"", centry->name); if (centry->pid <= 0) { cl_log(LOG_ERR, "OOPS! client %s not running yet", centry->command); } else { cl_log(LOG_INFO, "Sending quit message to %s.", centry->name); send_request(NULL, NULL, "quit", NULL, centry->name); } return TRUE; } static gboolean start_subsystem(struct crm_subsystem_s* centry) { cl_log(LOG_INFO, "Starting sub-system \"%s\"", centry->command); if (centry->pid != 0) { cl_log(LOG_ERR, "OOPS! client %s already running as pid %d" , centry->command, (int) centry->pid); } return run_command(centry, "-r", TRUE); } static gboolean run_command(struct crm_subsystem_s *centry, const char *options, gboolean update_pid) { pid_t pid; struct stat buf; int s_res,size; char *cmd_with_options = NULL; /* * We need to ensure that the exec will succeed before * we bother forking. We don't want to respawn something that * won't exec in the first place. */ if (access(centry->path, F_OK|X_OK) != 0) { cl_perror("Cannot (access) exec %s", centry->path); return FALSE; } s_res = stat(centry->command, &buf); if(s_res != 0) { cl_perror("Cannot (stat) exec %s", centry->command); return FALSE; } /* We need to fork so we can make child procs not real time */ switch(pid=fork()) { case -1: cl_log(LOG_ERR , "start_a_child_client: Cannot fork."); return FALSE; default: /* Parent */ #if 0 NewTrackedProc(pid, 1, PT_LOGVERBOSE , centry, &ManagedChildTrackOps); #else if(update_pid) centry->pid = pid; #endif return TRUE; case 0: /* Child */ break; } /* Child process: start the managed child */ cl_make_normaltime(); setpgid(0,0); /* Limit peak resource usage, maximize success chances */ if (centry->shortrcount > 0) { alarm(0); sleep(1); } size = strlen(options); size += strlen(centry->command); size += 2; // ' ' + \0 cmd_with_options = cl_malloc((1+size)*sizeof(char)); sprintf(cmd_with_options, "%s %s", centry->command, options); cmd_with_options[size] = 0; cl_log(LOG_INFO, "Executing \"%s\" (pid %d)", cmd_with_options, (int) getpid()); if(CL_SIGINTERRUPT(SIGALRM, 0) < 0) { cl_perror("Cannot set interrupt for child process %s", cmd_with_options); }else{ const char * devnull = "/dev/null"; unsigned int j; struct rlimit oflimits; CL_SIGNAL(SIGCHLD, SIG_DFL); alarm(0); CL_IGNORE_SIG(SIGALRM); /* A precautionary measure */ getrlimit(RLIMIT_NOFILE, &oflimits); for (j=0; j < oflimits.rlim_cur; ++j) { close(j); } (void)devnull; (void)open(devnull, O_RDONLY); /* Stdin: fd 0 */ (void)open(devnull, O_WRONLY); /* Stdout: fd 1 */ (void)open(devnull, O_WRONLY); /* Stderr: fd 2 */ (void)execl("/bin/sh", "sh", "-c", cmd_with_options, (const char *)NULL); /* Should not happen */ cl_perror("Cannot exec %s", cmd_with_options); } /* Suppress respawning */ exit(100); // never reached return TRUE; } /* A_LRM_CONNECT */ enum crmd_fsa_input do_lrm_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { enum crmd_fsa_input failed = I_NULL;//I_FAIL; int ret = HA_OK; FNIN(); if(action & A_LRM_DISCONNECT) { fsa_lrm_conn->lrm_ops->signoff(fsa_lrm_conn); } if(action & A_LRM_CONNECT) { CRM_DEBUG("LRM: connect..."); fsa_lrm_conn = ll_lrm_new("lrm"); if(NULL == fsa_lrm_conn) { return failed; } CRM_DEBUG("LRM: sigon..."); ret = fsa_lrm_conn->lrm_ops->signon(fsa_lrm_conn, "crmd"); if(ret != HA_OK) { cl_log(LOG_ERR, "Failed to sign on to the LRM"); return failed; } CRM_DEBUG("LRM: set_lrm_callback..."); ret = fsa_lrm_conn->lrm_ops->set_lrm_callback(fsa_lrm_conn, lrm_op_callback, lrm_monitor_callback); if(ret != HA_OK) { cl_log(LOG_ERR, "Failed to set LRM callbacks"); return failed; } /* TODO: create a destroy handler that causes * some recovery to happen */ G_main_add_fd(G_PRIORITY_LOW, fsa_lrm_conn->lrm_ops->inputfd(fsa_lrm_conn), FALSE, lrm_dispatch, fsa_lrm_conn, default_ipc_input_destroy); } if(action & ~(A_LRM_CONNECT|A_LRM_DISCONNECT)) { cl_log(LOG_ERR, "Unexpected action %s in %s", fsa_action2string(action), __FUNCTION__); } FNRET(I_NULL); } gboolean lrm_dispatch(int fd, gpointer user_data) { ll_lrm_t *lrm = (ll_lrm_t*)user_data; lrm->lrm_ops->rcvmsg(lrm, FALSE); return TRUE; } xmlNodePtr do_lrm_query(void) { GList* lrm_list = NULL; GList* element = NULL; GList* op_list = NULL; xmlNodePtr agent = NULL; xmlNodePtr data = create_xml_node(NULL, "lrm"); xmlNodePtr agent_list = create_xml_node(data, "lrm_agents"); xmlNodePtr rsc_list; char *rsc_type = NULL; state_flag_t cur_state = 0; const char *this_op = NULL; GList* node = NULL; lrm_list = fsa_lrm_conn->lrm_ops->get_ra_supported(fsa_lrm_conn); if (NULL != lrm_list) { GList* element = g_list_first(lrm_list); while (NULL != element) { rsc_type = (char*)element->data; agent = create_xml_node(agent_list, "lrm_agent"); set_xml_property_copy(agent, "class", rsc_type); /* we dont have these yet */ set_xml_property_copy(agent, "type", NULL); set_xml_property_copy(agent, "version", NULL); element = g_list_next(element); } } g_list_free(lrm_list); lrm_list = fsa_lrm_conn->lrm_ops->get_all_rscs(fsa_lrm_conn); rsc_list = create_xml_node(data, "lrm_resources"); if (NULL != lrm_list) { element = g_list_first(lrm_list); } while (NULL != element) { lrm_rsc_t *the_rsc = (lrm_rsc_t*)element->data; /* const char* ra_type; */ /* GHashTable* params; */ xmlNodePtr xml_rsc = create_xml_node(rsc_list, "rsc_state"); set_xml_property_copy(xml_rsc, "id", the_rsc->id); set_xml_property_copy(xml_rsc, "rsc_id", the_rsc->name); set_xml_property_copy(xml_rsc, "node_id",fsa_our_uname); CRM_DEBUG("get_cur_state..."); op_list = the_rsc->ops->get_cur_state(the_rsc, &cur_state); - CRM_DEBUG2("\tcurrent state:%s\n", + CRM_DEBUG("\tcurrent state:%s\n", cur_state==LRM_RSC_IDLE?"Idel":"Busy"); node = g_list_first(op_list); while(NULL != node){ lrm_op_t* op = (lrm_op_t*)node->data; this_op = op->op_type; if(this_op == NULL || strcmp(this_op, "status") != 0){ const char *status_text = ""; switch(op->status) { case LRM_OP_DONE: status_text = "done"; break; case LRM_OP_CANCELLED: status_text = "cancelled"; break; case LRM_OP_TIMEOUT: status_text = "timeout"; break; case LRM_OP_NOTSUPPORTED: status_text = "not suported"; break; case LRM_OP_ERROR: status_text = "error"; break; } set_xml_property_copy(xml_rsc, "op_result", status_text); set_xml_property_copy(xml_rsc, "rsc_op", this_op); // we only want the last one break; } node = g_list_next(node); } element = g_list_next(element); } if (NULL != lrm_list) { g_list_free(lrm_list); } return data; } /* A_LRM_INVOKE */ enum crmd_fsa_input do_lrm_invoke(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, void *data) { enum crmd_fsa_input next_input = I_NULL; xmlNodePtr fragment, tmp1; xmlNodePtr msg; const char *rsc_path[] = { "msg_data", "rsc_op", "resource", "instance_attributes", "parameters" }; const char *operation = NULL; rsc_id_t rid; const char *id_from_cib = NULL; const char *crm_op = NULL; lrm_rsc_t *rsc = NULL; lrm_mon_t* mon = NULL; lrm_op_t* op = NULL; FNIN(); if(action & A_UPDATE_NODESTATUS) { xmlNodePtr data = do_lrm_query(); set_xml_property_copy(data, "replace_lrm", "true"); tmp1 = create_xml_node(NULL, XML_CIB_TAG_STATE); set_xml_property_copy(tmp1, XML_ATTR_ID, fsa_our_uname); fragment = create_cib_fragment(tmp1, NULL); set_xml_property_copy(data, "replace_lrm", "true"); add_node_copy(tmp1, data); send_request(NULL, fragment, CRM_OPERATION_UPDATE, NULL, CRM_SYSTEM_DC); free_xml(fragment); free_xml(tmp1); free_xml(data); FNRET(next_input); } cl_log(LOG_ERR, "Action %s (%.16llx) not supported\n", fsa_action2string(action), action); msg = (xmlNodePtr)data; operation = get_xml_attr_nested(msg, rsc_path, DIMOF(rsc_path) -3, "operation", TRUE); id_from_cib = get_xml_attr_nested(msg, rsc_path, DIMOF(rsc_path) -2, "id", TRUE); // only the first 16 chars are used by the LRM strncpy(rid, id_from_cib, 16); crm_op = get_xml_attr(msg, XML_TAG_OPTIONS, "operation", TRUE); rsc = fsa_lrm_conn->lrm_ops->get_rsc( fsa_lrm_conn, rid); if(crm_op != NULL && strcmp(crm_op, "lrm_query") == 0) { xmlNodePtr data, tmp1, tmp2, reply; tmp1 = create_xml_node(NULL, XML_CIB_TAG_STATE); set_xml_property_copy(tmp1, XML_ATTR_ID, fsa_our_uname); data = create_cib_fragment(tmp1, NULL); tmp2 = do_lrm_query(); add_node_copy(tmp1, tmp2); reply = create_reply(msg, data); relay_message(reply, TRUE); free_xml(data); free_xml(reply); free_xml(tmp2); free_xml(tmp1); } else if(operation != NULL && strcmp(operation, "monitor") == 0) { if(rsc == NULL) { cl_log(LOG_ERR, "Could not find resource to monitor"); FNRET(I_FAIL); } mon = g_new(lrm_mon_t, 1); mon->op_type = "status"; mon->params = NULL; mon->timeout = 0; mon->user_data = rsc; mon->mode = LRM_MONITOR_SET; mon->interval = 2; mon->target = 1; rsc->ops->set_monitor(rsc,mon); mon = g_new(lrm_mon_t, 1); } else if(operation != NULL) { if(rsc == NULL) { // add it to the list CRM_DEBUG("add_rsc..."); fsa_lrm_conn->lrm_ops->add_rsc( fsa_lrm_conn, rid, get_xml_attr_nested(msg, rsc_path, DIMOF(rsc_path) -2, "class", TRUE), get_xml_attr_nested(msg, rsc_path, DIMOF(rsc_path) -2, "type", TRUE), NULL); rsc = fsa_lrm_conn->lrm_ops->get_rsc( fsa_lrm_conn, rid); } if(rsc == NULL) { cl_log(LOG_ERR, "Could not add resource to LRM"); FNRET(I_FAIL); } // now do the op - CRM_DEBUG2("performing op %s...", operation); + CRM_DEBUG("performing op %s...", operation); op = g_new(lrm_op_t, 1); op->op_type = operation; op->params = xml2list(msg, rsc_path, DIMOF(rsc_path)); op->timeout = 0; op->user_data = rsc; rsc->ops->perform_op(rsc, op); } FNRET(next_input); } GHashTable * xml2list(xmlNodePtr parent, const char**attr_path, int depth) { xmlNodePtr node_iter = NULL; GHashTable *nvpair_hash = g_hash_table_new(&g_str_hash, &g_str_equal); xmlNodePtr nvpair_list = find_xml_node_nested(parent, attr_path, depth); if(nvpair_list != NULL){ node_iter = nvpair_list->children; while(node_iter != NULL) { const char *key = xmlGetProp(node_iter, "name"); const char *value = xmlGetProp(node_iter, "value"); - CRM_DEBUG3("Added %s=%s", key, value); + CRM_DEBUG("Added %s=%s", key, value); g_hash_table_insert (nvpair_hash, cl_strdup(key), cl_strdup(value)); node_iter = node_iter->next; } } return nvpair_hash; } void do_update_resource(lrm_rsc_t *rsc, int status, int rc, const char *op_type) { /* */ xmlNodePtr update, iter; char *tmp = NULL; xmlNodePtr fragment, tmp1; update = create_xml_node(NULL, "node_state"); set_xml_property_copy(update, XML_ATTR_ID, fsa_our_uname); iter = create_xml_node(update, "lrm"); iter = create_xml_node(iter, "lrm_resources"); iter = create_xml_node(iter, "lrm_resource"); set_xml_property_copy(iter, XML_ATTR_ID, rsc->id); set_xml_property_copy(iter, "last_op", op_type); tmp = crm_itoa(status); set_xml_property_copy(iter, "op_status", tmp); cl_free(tmp); tmp = crm_itoa(rc); set_xml_property_copy(iter, "op_code", tmp); cl_free(tmp); tmp1 = create_xml_node(NULL, XML_CIB_TAG_STATE); set_xml_property_copy(tmp1, XML_ATTR_ID, fsa_our_uname); add_node_copy(tmp1, update); fragment = create_cib_fragment(tmp1, NULL); send_request(NULL, fragment, CRM_OPERATION_UPDATE, NULL, CRM_SYSTEM_DCIB); free_xml(fragment); free_xml(update); free_xml(tmp1); } enum crmd_fsa_input do_lrm_event(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, void *data) { FNIN(); if(cause == C_LRM_MONITOR_CALLBACK) { lrm_mon_t* monitor = (lrm_mon_t*)data; lrm_rsc_t* rsc = monitor->rsc; switch(monitor->status) { case LRM_OP_DONE: CRM_DEBUG("An LRM monitor operation passed"); FNRET(I_NULL); break; case LRM_OP_CANCELLED: case LRM_OP_TIMEOUT: case LRM_OP_NOTSUPPORTED: case LRM_OP_ERROR: cl_log(LOG_ERR, "An LRM monitor operation failed" " or was aborted"); do_update_resource(rsc, monitor->status, monitor->rc, monitor->op_type); break; } } else if(cause == C_LRM_OP_CALLBACK) { lrm_op_t* op = (lrm_op_t*)data; lrm_rsc_t* rsc = op->rsc; switch(op->status) { case LRM_OP_CANCELLED: case LRM_OP_TIMEOUT: case LRM_OP_NOTSUPPORTED: case LRM_OP_ERROR: cl_log(LOG_ERR, "An LRM operation failed" " or was aborted"); // keep going case LRM_OP_DONE: do_update_resource(rsc, op->status, op->rc, op->op_type); break; } } else { FNRET(I_FAIL); } FNRET(I_NULL); }