int chassis_mainloop(void *_chas) {
chassis *chas = _chas;
guint i;
struct event ev_sigterm, ev_sigint;
#ifdef SIGHUP
struct event ev_sighup;
#endif
chassis_event_thread_t *mainloop_thread;
/* redirect logging from libevent to glib */
event_set_log_callback(event_log_use_glib);
/* add a event-handler for the "main" events */
mainloop_thread = chassis_event_thread_new(0);
chassis_event_threads_init_thread(mainloop_thread, chas);
g_ptr_array_add(chas->threads, mainloop_thread);
chas->event_base = mainloop_thread->event_base; /* all global events go to the 1st thread */
g_assert(chas->event_base);
/* setup all plugins all plugins */
for (i = 0; i < chas->modules->len; i++) {
chassis_plugin *p = chas->modules->pdata[i];
g_assert(p->apply_config);
if (0 != p->apply_config(chas, p->config)) {
g_critical("%s: applying config of plugin %s failed",
G_STRLOC, p->name);
return -1;
}
}
signal_set(&ev_sigterm, SIGTERM, sigterm_handler, NULL);
event_base_set(chas->event_base, &ev_sigterm);
signal_add(&ev_sigterm, NULL);
signal_set(&ev_sigint, SIGINT, sigint_handler, NULL);
event_base_set(chas->event_base, &ev_sigint);
signal_add(&ev_sigint, NULL);
#ifdef SIGHUP
signal_set(&ev_sighup, SIGHUP, sighup_handler, chas);
event_base_set(chas->event_base, &ev_sighup);
if (signal_add(&ev_sighup, NULL)) {
g_critical("%s: signal_add(SIGHUP) failed", G_STRLOC);
}
#endif
if (chas->event_thread_count < 1) chas->event_thread_count = 1;
/* create the event-threads
*
* - dup the async-queue-ping-fds
* - setup the events notification
* */
for (i = 1; i <= (guint)chas->event_thread_count; i++) { /* we already have 1 event-thread running, the main-thread */
chassis_event_thread_t *thread = chassis_event_thread_new(i);
chassis_event_threads_init_thread(thread, chas);
g_ptr_array_add(chas->threads, thread);
}
/* start the event threads */
chassis_event_threads_start(chas->threads);
/**
* handle signals and all basic events into the main-thread
*
* block until we are asked to shutdown
*/
chassis_mainloop_thread_loop(mainloop_thread);
signal_del(&ev_sigterm);
signal_del(&ev_sigint);
#ifdef SIGHUP
signal_del(&ev_sighup);
#endif
return 0;
}
int chassis_mainloop(void *_chas) {
chassis *chas = _chas;
guint i;
struct event ev_sigterm, ev_sigint;
#ifdef SIGHUP
struct event ev_sighup;
#endif
chassis_event_thread_t *mainloop_thread;
/* redirect logging from libevent to glib */
event_set_log_callback(event_log_use_glib);
/* add a event-handler for the "main" events */
mainloop_thread = chassis_event_thread_new();
chassis_event_threads_init_thread(chas->threads, mainloop_thread, chas);
chassis_event_threads_add(chas->threads, mainloop_thread);
//add by Vinchn
chas->event_base = mainloop_thread->event_base; /* all global events go to the 1st thread */
g_assert(chas->event_base);
/* setup all plugins all plugins */
for (i = 0; i < chas->modules->len; i++) {
chassis_plugin *p = chas->modules->pdata[i];
g_assert(p->apply_config);
if (0 != p->apply_config(chas, p->config)) {
g_critical("%s: applying config of plugin %s failed",
G_STRLOC, p->name);
return -1;
}
}
/*
* drop root privileges if requested
*/
#ifndef _WIN32
if (chas->user) {
struct passwd *user_info;
uid_t user_id= geteuid();
/* Don't bother if we aren't superuser */
if (user_id) {
g_critical("can only use the --user switch if running as root");
return -1;
}
if (NULL == (user_info = getpwnam(chas->user))) {
g_critical("unknown user: %s", chas->user);
return -1;
}
if (chas->log->log_filename) {
/* chown logfile */
if (-1 == chown(chas->log->log_filename, user_info->pw_uid, user_info->pw_gid)) {
g_critical("%s.%d: chown(%s) failed: %s",
__FILE__, __LINE__,
chas->log->log_filename,
g_strerror(errno) );
return -1;
}
}
setgid(user_info->pw_gid);
setuid(user_info->pw_uid);
g_debug("now running as user: %s (%d/%d)",
chas->user,
user_info->pw_uid,
user_info->pw_gid );
}
#endif
signal_set(&ev_sigterm, SIGTERM, sigterm_handler, NULL);
event_base_set(chas->event_base, &ev_sigterm);
signal_add(&ev_sigterm, NULL);
signal_set(&ev_sigint, SIGINT, sigterm_handler, NULL);
event_base_set(chas->event_base, &ev_sigint);
signal_add(&ev_sigint, NULL);
#ifdef SIGHUP
signal_set(&ev_sighup, SIGHUP, sighup_handler, chas);
event_base_set(chas->event_base, &ev_sighup);
if (signal_add(&ev_sighup, NULL)) {
g_critical("%s: signal_add(SIGHUP) failed", G_STRLOC);
}
#endif
if (chas->event_thread_count < 1) chas->event_thread_count = 1;
/* create the event-threads
*
* - dup the async-queue-ping-fds
* - setup the events notification
* */
for (i = 1; i < (guint)chas->event_thread_count; i++) { /* we already have 1 event-thread running, the main-thread */
chassis_event_thread_t *event_thread;
event_thread = chassis_event_thread_new();
chassis_event_threads_init_thread(chas->threads, event_thread, chas);
chassis_event_threads_add(chas->threads, event_thread);
}
/* start the event threads */
if (chas->event_thread_count > 1) {
chassis_event_threads_start(chas->threads);
}
/**
* handle signals and all basic events into the main-thread
*
* block until we are asked to shutdown
*/
chassis_event_thread_loop(mainloop_thread);
signal_del(&ev_sigterm);
signal_del(&ev_sigint);
#ifdef SIGHUP
signal_del(&ev_sighup);
#endif
return 0;
}