diff --git a/crm/cib/main.c b/crm/cib/main.c index b87cca8d8b..2995e36d3d 100644 --- a/crm/cib/main.c +++ b/crm/cib/main.c @@ -1,504 +1,504 @@ -/* $Id: main.c,v 1.45 2006/06/22 15:11:56 andrew Exp $ */ +/* $Id: main.c,v 1.46 2006/06/23 12:30:38 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 gboolean cib_shutdown_flag = FALSE; gboolean stand_alone = FALSE; enum cib_errors cib_status = cib_ok; extern void oc_ev_special(const oc_ev_t *, oc_ev_class_t , int ); GMainLoop* mainloop = NULL; const char* crm_system_name = CRM_SYSTEM_CIB; char *cib_our_uname = NULL; oc_ev_t *cib_ev_token; gboolean cib_writes_enabled = TRUE; void usage(const char* cmd, int exit_status); int init_start(void); gboolean cib_register_ha(ll_cluster_t *hb_cluster, const char *client_name); gboolean cib_shutdown(int nsig, gpointer unused); void cib_ha_connection_destroy(gpointer user_data); gboolean startCib(const char *filename); extern gboolean cib_msg_timeout(gpointer data); extern int write_cib_contents(gpointer p); ll_cluster_t *hb_conn = NULL; GTRIGSource *cib_writer = NULL; #define OPTARGS "hVs" static void cib_diskwrite_complete(gpointer userdata, int status, int signo, int exitcode) { if(exitcode != LSB_EXIT_OK || signo != 0 || status != 0) { crm_err("Disk write failed: status=%d, signo=%d, exitcode=%d", status, signo, exitcode); if(cib_writes_enabled) { crm_err("Disabling disk writes after write failure"); cib_writes_enabled = FALSE; } } else { crm_debug_2("Disk write passed"); } } int main(int argc, char ** argv) { int flag; int argerr = 0; crm_log_init(crm_system_name); G_main_add_SignalHandler( G_PRIORITY_HIGH, SIGTERM, cib_shutdown, NULL, NULL); cib_writer = G_main_add_tempproc_trigger( G_PRIORITY_LOW, write_cib_contents, "write_cib_contents", NULL, NULL, NULL, cib_diskwrite_complete); EnableProcLogging(); set_sigchld_proctrack(G_PRIORITY_HIGH); client_list = g_hash_table_new(g_str_hash, g_str_equal); peer_hash = g_hash_table_new(g_str_hash, g_str_equal); while ((flag = getopt(argc, argv, OPTARGS)) != EOF) { switch(flag) { case 'V': - cl_log_enable_stderr(1); alter_debug(DEBUG_INC); break; case 's': stand_alone = TRUE; + cl_log_enable_stderr(1); 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 */ return init_start(); } unsigned long cib_num_ops = 0; const char *cib_stat_interval = "10min"; unsigned long cib_num_local = 0, cib_num_updates = 0, cib_num_fail = 0; unsigned long cib_bad_connects = 0, cib_num_timeouts = 0; longclock_t cib_call_time = 0; gboolean cib_stats(gpointer data); gboolean cib_stats(gpointer data) { int local_log_level = LOG_DEBUG; static unsigned long last_stat = 0; unsigned int cib_calls_ms = 0; static unsigned long cib_stat_interval_ms = 0; if(cib_stat_interval_ms == 0) { cib_stat_interval_ms = crm_get_msec(cib_stat_interval); } cib_calls_ms = longclockto_ms(cib_call_time); if((cib_num_ops - last_stat) > 0) { unsigned long calls_diff = cib_num_ops - last_stat; double stat_1 = (1000*cib_calls_ms)/calls_diff; local_log_level = LOG_INFO; crm_log_maybe(local_log_level, "Processed %lu operations" " (%.2fus average, %lu%% utilization) in the last %s", calls_diff, stat_1, (100*cib_calls_ms)/cib_stat_interval_ms, cib_stat_interval); } crm_log_maybe(local_log_level+1, "\tDetail: %lu operations (%ums total)" " (%lu local, %lu updates, %lu failures," " %lu timeouts, %lu bad connects)", cib_num_ops, cib_calls_ms, cib_num_local, cib_num_updates, cib_num_fail, cib_bad_connects, cib_num_timeouts); last_stat = cib_num_ops; cib_call_time = 0; return TRUE; } int init_start(void) { gboolean was_error = FALSE; if(stand_alone == FALSE) { hb_conn = ll_cluster_new("heartbeat"); if(cib_register_ha(hb_conn, CRM_SYSTEM_CIB) == FALSE) { crm_crit("Cannot sign in to heartbeat... terminating"); exit(1); } } if(startCib(CIB_FILENAME) == FALSE){ crm_crit("Cannot start CIB... terminating"); exit(1); } was_error = init_server_ipc_comms( crm_strdup(cib_channel_callback), cib_client_connect_null, default_ipc_connection_destroy); was_error = was_error || init_server_ipc_comms( crm_strdup(cib_channel_ro), cib_client_connect_rw_ro, default_ipc_connection_destroy); was_error = was_error || init_server_ipc_comms( crm_strdup(cib_channel_rw), cib_client_connect_rw_ro, default_ipc_connection_destroy); was_error = was_error || init_server_ipc_comms( crm_strdup(cib_channel_rw_synchronous), cib_client_connect_rw_synch, default_ipc_connection_destroy); was_error = was_error || init_server_ipc_comms( crm_strdup(cib_channel_ro_synchronous), cib_client_connect_ro_synch, default_ipc_connection_destroy); if(stand_alone) { if(was_error) { crm_err("Couldnt start"); return 1; } cib_is_master = TRUE; /* Create the mainloop and run it... */ mainloop = g_main_new(FALSE); crm_info("Starting %s mainloop", crm_system_name); /* Gmain_timeout_add(crm_get_msec("10s"), cib_msg_timeout, NULL); */ /* Gmain_timeout_add( */ /* crm_get_msec(cib_stat_interval), cib_stats, NULL); */ g_main_run(mainloop); return_to_orig_privs(); return 0; } if(was_error == FALSE) { crm_debug_3("Be informed of CRM Client Status changes"); if (HA_OK != hb_conn->llc_ops->set_cstatus_callback( hb_conn, cib_client_status_callback, hb_conn)) { crm_err("Cannot set cstatus callback: %s", hb_conn->llc_ops->errmsg(hb_conn)); was_error = TRUE; } else { crm_debug_3("Client Status callback set"); } } if(was_error == FALSE) { gboolean did_fail = TRUE; int num_ccm_fails = 0; int max_ccm_fails = 30; int ret; int cib_ev_fd; while(did_fail && was_error == FALSE) { did_fail = FALSE; crm_debug_3("Registering with CCM"); ret = oc_ev_register(&cib_ev_token); if (ret != 0) { crm_warn("CCM registration failed"); did_fail = TRUE; } if(did_fail == FALSE) { crm_debug_3("Setting up CCM callbacks"); ret = oc_ev_set_callback( cib_ev_token, OC_EV_MEMB_CLASS, cib_ccm_msg_callback, NULL); if (ret != 0) { crm_warn("CCM callback not set"); did_fail = TRUE; } } if(did_fail == FALSE) { oc_ev_special(cib_ev_token, OC_EV_MEMB_CLASS, 0); crm_debug_3("Activating CCM token"); ret = oc_ev_activate(cib_ev_token, &cib_ev_fd); if (ret != 0){ crm_warn("CCM Activation failed"); did_fail = TRUE; } } if(did_fail) { num_ccm_fails++; oc_ev_unregister(cib_ev_token); if(num_ccm_fails < max_ccm_fails){ crm_warn("CCM Connection failed" " %d times (%d max)", num_ccm_fails, max_ccm_fails); sleep(1); } else { crm_err("CCM Activation failed" " %d (max) times", num_ccm_fails); was_error = TRUE; } } } if(was_error == FALSE) { crm_debug_3("CCM Activation passed... all set to go!"); G_main_add_fd(G_PRIORITY_HIGH, cib_ev_fd, FALSE, cib_ccm_dispatch, cib_ev_token, default_ipc_connection_destroy); } } if(was_error == FALSE) { /* Async get client status information in the cluster */ crm_debug_3("Requesting an initial dump of CIB client_status"); hb_conn->llc_ops->client_status( hb_conn, NULL, CRM_SYSTEM_CIB, -1); /* Create the mainloop and run it... */ mainloop = g_main_new(FALSE); crm_info("Starting %s mainloop", crm_system_name); Gmain_timeout_add(crm_get_msec("10s"), cib_msg_timeout, NULL); Gmain_timeout_add( crm_get_msec(cib_stat_interval), cib_stats, NULL); g_main_run(mainloop); return_to_orig_privs(); } else { crm_err("Couldnt start all communication channels, exiting."); } return 0; } 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); } gboolean cib_register_ha(ll_cluster_t *hb_cluster, const char *client_name) { const char *uname = NULL; crm_info("Signing in with Heartbeat"); if (hb_cluster->llc_ops->signon(hb_cluster, client_name)!= HA_OK) { crm_err("Cannot sign on with heartbeat: %s", hb_cluster->llc_ops->errmsg(hb_cluster)); return FALSE; } crm_debug_3("Be informed of CIB messages"); if (HA_OK != hb_cluster->llc_ops->set_msg_callback( hb_cluster, T_CIB, cib_peer_callback, hb_cluster)){ crm_err("Cannot set msg callback: %s", hb_cluster->llc_ops->errmsg(hb_cluster)); return FALSE; } crm_debug_3("Finding our node name"); if ((uname = hb_cluster->llc_ops->get_mynodeid(hb_cluster)) == NULL) { crm_err("get_mynodeid() failed"); return FALSE; } cib_our_uname = crm_strdup(uname); crm_info("FSA Hostname: %s", cib_our_uname); crm_debug_3("Adding channel to mainloop"); G_main_add_IPC_Channel( G_PRIORITY_DEFAULT, hb_cluster->llc_ops->ipcchan(hb_cluster), FALSE, cib_ha_dispatch, hb_cluster /* userdata */, cib_ha_connection_destroy); return TRUE; } void cib_ha_connection_destroy(gpointer user_data) { if(cib_shutdown_flag) { crm_info("Heartbeat disconnection complete... exiting"); } else { crm_err("Heartbeat connection lost! Exiting."); } if (mainloop != NULL && g_main_is_running(mainloop)) { g_main_quit(mainloop); } else { exit(LSB_EXIT_OK); } } static void disconnect_cib_client(gpointer key, gpointer value, gpointer user_data) { cib_client_t *a_client = value; crm_debug_2("Processing client %s/%s... send=%d, recv=%d", a_client->name, a_client->channel_name, (int)a_client->channel->send_queue->current_qlen, (int)a_client->channel->recv_queue->current_qlen); if(a_client->channel->ch_status == IPC_CONNECT) { a_client->channel->ops->resume_io(a_client->channel); if(a_client->channel->send_queue->current_qlen != 0 || a_client->channel->recv_queue->current_qlen != 0) { crm_info("Flushed messages to/from %s/%s... send=%d, recv=%d", a_client->name, a_client->channel_name, (int)a_client->channel->send_queue->current_qlen, (int)a_client->channel->recv_queue->current_qlen); } } if(a_client->channel->ch_status == IPC_CONNECT) { crm_warn("Disconnecting %s/%s...", a_client->name, a_client->channel_name); a_client->channel->ops->disconnect(a_client->channel); } } extern gboolean cib_process_disconnect( IPC_Channel *channel, cib_client_t *cib_client); gboolean cib_shutdown(int nsig, gpointer unused) { if(cib_shutdown_flag == FALSE) { cib_shutdown_flag = TRUE; crm_debug("Disconnecting %d clients", g_hash_table_size(client_list)); g_hash_table_foreach(client_list, disconnect_cib_client, NULL); crm_info("Disconnected %d clients", g_hash_table_size(client_list)); cib_process_disconnect(NULL, NULL); } else { crm_info("Waiting for %d clients to disconnect...", g_hash_table_size(client_list)); } return TRUE; } gboolean startCib(const char *filename) { crm_data_t *cib = readCibXmlFile(filename); if(cib == NULL) { crm_warn("Cluster configuration not found: %s." " Creating an empty one.", filename); cib = createEmptyCib(); crm_xml_add(cib, XML_ATTR_GENERATION_ADMIN, "0"); crm_xml_add(cib, XML_ATTR_GENERATION, "0"); crm_xml_add(cib, XML_ATTR_NUMUPDATES, "0"); } if(activateCibXml(cib, filename) != 0) { return FALSE; } crm_info("CIB Initialization completed successfully"); return TRUE; }