/* main loop of the daemon*/
int
init_start ()
{
int ssock;
struct sockaddr_in saddr;
GIOChannel* sch;
/* register pid */
if (cl_lock_pidfile(PID_FILE) < 0) {
quorum_log(LOG_ERR, "already running: [pid %d]."
, cl_read_pidfile(PID_FILE));
quorum_log(LOG_ERR, "Startup aborted (already running)."
"Shutting down.");
exit(100);
}
register_pid(FALSE, sigterm_action);
/* enable coredumps */
quorum_log(LOG_DEBUG, "Enabling coredumps");
cl_cdtocoredir();
cl_enable_coredumps(TRUE);
cl_set_all_coredump_signal_handlers();
/* initialize gnutls */
initialize_tls_global();
/* enable dynamic up/down debug level */
G_main_add_SignalHandler(G_PRIORITY_HIGH, SIGUSR1,
sig_handler, NULL, NULL);
G_main_add_SignalHandler(G_PRIORITY_HIGH, SIGUSR2,
sig_handler, NULL, NULL);
G_main_add_SignalHandler(G_PRIORITY_HIGH, SIGHUP,
sig_handler, NULL, NULL);
/* create the mainloop */
mainloop = g_main_new(FALSE);
/* create the protocal table */
protocols = g_hash_table_new(g_str_hash, g_str_equal);
/* create server socket */
ssock = socket(AF_INET, SOCK_STREAM, 0);
if (ssock == -1) {
quorum_log(LOG_ERR, "Can not create server socket."
"Shutting down.");
exit(100);
}
/* bind server socket*/
memset(&saddr, '\0', sizeof(saddr));
saddr.sin_family = AF_INET;
saddr.sin_addr.s_addr = INADDR_ANY;
saddr.sin_port = htons(PORT);
if (bind(ssock, (struct sockaddr*)&saddr, sizeof(saddr)) == -1) {
quorum_log(LOG_ERR, "Can not bind server socket."
"Shutting down.");
exit(100);
}
if (listen(ssock, 10) == -1) {
quorum_log(LOG_ERR, "Can not start listen."
"Shutting down.");
exit(100);
}
/* create source for server socket and add to the mainloop */
sch = g_io_channel_unix_new(ssock);
g_io_add_watch(sch, G_IO_IN|G_IO_ERR|G_IO_HUP, on_listen, NULL);
/* run the mainloop */
quorum_log(LOG_DEBUG, "main: run the loop...");
quorum_log(LOG_INFO, "Started.");
g_main_run(mainloop);
/* exit, clean the pid file */
if (cl_unlock_pidfile(PID_FILE) == 0) {
quorum_log(LOG_DEBUG, "[%s] stopped", QUORUMD);
}
return 0;
}
int
main(int argc, char *argv[])
{
int rc;
int retval = 0;
const char* conf_file = CONFIG_FILE;
int pid;
cl_cdtocoredir();
if(argc == 2){
conf_file = argv[1];
}else if(argc > 2){
printf("Usage: %s [config_file]\n", cmdname);
exit(LSB_EXIT_NOTCONFIGED);
}
cl_log_enable_stderr(TRUE);
pid = cl_read_pidfile(PIDFILE);
if (pid > 0 && pid != getpid()){
cl_log(LOG_INFO, "recovermgrd is already running[%d]",
pid);
return 0;
}
cl_log_set_entity(argv[0]);
cl_log_set_facility(LOG_USER);
cl_log(LOG_INFO, "Starting %s", argv[0]);
signal(SIGCHLD, sigchld_handler);
if(parseConfigFile(conf_file) == FALSE){
exit(LSB_EXIT_NOTCONFIGED);
};
/* make self a daemon */
#ifndef DEBUG
daemon(0,0);
#else
printf("Debug mode -- non daemon\n");
#endif
if (cl_lock_pidfile(PIDFILE) < 0){
cl_log(LOG_INFO, "recoverymgrd is already running[%d]",
cl_read_pidfile(PIDFILE));
return 0;
}
/* register with apphbd as a client and send pings */
retval = register_hb();
if (0 != retval)
{
cl_perror("Error registering -- is apphbd running??");
exit(retval);
}
create_connection();
/* unregister and shutdown */
rc = apphb_unregister();
if (rc < 0)
{
cl_perror("apphb_unregister failure");
exit(3);
}
cl_unlock_pidfile(PIDFILE);
return 0;
}
