diff --git a/crm/cib/cibmain.c b/crm/cib/cibmain.c index 16312e0a7d..182de07377 100644 --- a/crm/cib/cibmain.c +++ b/crm/cib/cibmain.c @@ -1,336 +1,275 @@ -/* $Id: cibmain.c,v 1.19 2004/05/23 19:16:22 andrew Exp $ */ +/* $Id: cibmain.c,v 1.20 2004/06/01 16:05:44 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); +gboolean process_maincib_message(xmlNodePtr msg, IPC_Channel *sender); #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); 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); + crm_ch = init_client_ipc_comms(CRM_SYSTEM_CRMD, + subsystem_input_dispatch, + (void*)process_maincib_message); 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) +process_maincib_message(xmlNodePtr msg, IPC_Channel *sender) { - int lpc = 0; - char *buffer = NULL; - IPC_Message *msg = NULL; - gboolean all_is_well = TRUE; - xmlNodePtr answer = NULL, root_xml_node = NULL; - const char *sys_to; - const char *type; + const char *op = get_xml_attr (msg, XML_TAG_OPTIONS, + XML_ATTR_OP, FALSE); - - FNIN(); + const char *sys_to = xmlGetProp(msg, XML_ATTR_SYSTO); - 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; - } + cl_log(LOG_DEBUG, "Processing %s message", op); - lpc++; - - buffer = (char*)msg->msg_body; - root_xml_node = string2xml(buffer); - - 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(safe_str_eq(xmlGetProp(msg, XML_ATTR_MSGTYPE), XML_ATTR_REQUEST)) { + 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) { + xmlNodePtr answer = process_cib_message(msg, TRUE); + if (send_xmlipc_message(sender, answer)==FALSE) + cl_log(LOG_WARNING, + "Cib answer could not be sent"); 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_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); + } else { + cl_log(LOG_WARNING, + "Received a message destined for %s by mistake", + sys_to); + FNRET(FALSE); } - FNRET(all_is_well); + + FNRET(TRUE); } 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); } }