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/* $Id: fpm.c,v 1.23 2008/07/20 16:38:31 anight Exp $ */
/* (c) 2007,2008 Andrei Nigmatulin */
#include "fpm_config.h"
#include <stdlib.h> /* for exit */
#include "fpm.h"
#include "fpm_children.h"
#include "fpm_signals.h"
#include "fpm_env.h"
#include "fpm_events.h"
#include "fpm_cleanup.h"
#include "fpm_php.h"
#include "fpm_sockets.h"
#include "fpm_unix.h"
#include "fpm_process_ctl.h"
#include "fpm_conf.h"
#include "fpm_worker_pool.h"
#include "fpm_scoreboard.h"
#include "fpm_stdio.h"
#include "fpm_log.h"
#include "zlog.h"
struct fpm_globals_s fpm_globals = {
.parent_pid = 0,
.argc = 0,
.argv = NULL,
.config = NULL,
.prefix = NULL,
.pid = NULL,
.running_children = 0,
.error_log_fd = 0,
.log_level = 0,
.listening_socket = 0,
.max_requests = 0,
.is_child = 0,
.test_successful = 0,
.heartbeat = 0,
.run_as_root = 0,
.force_stderr = 0,
.send_config_pipe = {0, 0},
};
int fpm_init(int argc, char **argv, char *config, char *prefix, char *pid, int test_conf, int run_as_root, int force_daemon, int force_stderr) /* {{{ */
{
fpm_globals.argc = argc;
fpm_globals.argv = argv;
if (config && *config) {
fpm_globals.config = strdup(config);
}
fpm_globals.prefix = prefix;
fpm_globals.pid = pid;
fpm_globals.run_as_root = run_as_root;
fpm_globals.force_stderr = force_stderr;
if (0 > fpm_php_init_main() ||
0 > fpm_stdio_init_main() ||
0 > fpm_conf_init_main(test_conf, force_daemon) ||
0 > fpm_unix_init_main() ||
0 > fpm_scoreboard_init_main() ||
0 > fpm_pctl_init_main() ||
0 > fpm_env_init_main() ||
0 > fpm_signals_init_main() ||
0 > fpm_children_init_main() ||
0 > fpm_sockets_init_main() ||
0 > fpm_worker_pool_init_main() ||
0 > fpm_event_init_main()) {
if (fpm_globals.test_successful) {
exit(FPM_EXIT_OK);
} else {
zlog(ZLOG_ERROR, "FPM initialization failed");
return -1;
}
}
if (0 > fpm_conf_write_pid()) {
zlog(ZLOG_ERROR, "FPM initialization failed");
return -1;
}
fpm_stdio_init_final();
zlog(ZLOG_NOTICE, "fpm is running, pid %d", (int) fpm_globals.parent_pid);
return 0;
}
/* }}} */
/* children: return listening socket
parent: never return */
int fpm_run(int *max_requests) /* {{{ */
{
struct fpm_worker_pool_s *wp;
/* create initial children in all pools */
for (wp = fpm_worker_all_pools; wp; wp = wp->next) {
int is_parent;
is_parent = fpm_children_create_initial(wp);
if (!is_parent) {
goto run_child;
}
/* handle error */
if (is_parent == 2) {
fpm_pctl(FPM_PCTL_STATE_TERMINATING, FPM_PCTL_ACTION_SET);
fpm_event_loop(1);
}
}
/* run event loop forever */
fpm_event_loop(0);
run_child: /* only workers reach this point */
fpm_cleanups_run(FPM_CLEANUP_CHILD);
*max_requests = fpm_globals.max_requests;
return fpm_globals.listening_socket;
}
/* }}} */