1 /* $Id: fpm.c,v 1.23 2008/07/20 16:38:31 anight Exp $ */
2 /* (c) 2007,2008 Andrei Nigmatulin */
3
4 #include "fpm_config.h"
5
6 #include <stdlib.h> /* for exit */
7
8 #include "fpm.h"
9 #include "fpm_children.h"
10 #include "fpm_signals.h"
11 #include "fpm_env.h"
12 #include "fpm_events.h"
13 #include "fpm_cleanup.h"
14 #include "fpm_php.h"
15 #include "fpm_sockets.h"
16 #include "fpm_unix.h"
17 #include "fpm_process_ctl.h"
18 #include "fpm_conf.h"
19 #include "fpm_worker_pool.h"
20 #include "fpm_scoreboard.h"
21 #include "fpm_stdio.h"
22 #include "fpm_log.h"
23 #include "zlog.h"
24
25 struct fpm_globals_s fpm_globals = {
26 .parent_pid = 0,
27 .argc = 0,
28 .argv = NULL,
29 .config = NULL,
30 .prefix = NULL,
31 .pid = NULL,
32 .running_children = 0,
33 .error_log_fd = 0,
34 .log_level = 0,
35 .listening_socket = 0,
36 .max_requests = 0,
37 .is_child = 0,
38 .test_successful = 0,
39 .heartbeat = 0,
40 .run_as_root = 0,
41 .force_stderr = 0,
42 .send_config_pipe = {0, 0},
43 };
44
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)45 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) /* {{{ */
46 {
47 fpm_globals.argc = argc;
48 fpm_globals.argv = argv;
49 if (config && *config) {
50 fpm_globals.config = strdup(config);
51 }
52 fpm_globals.prefix = prefix;
53 fpm_globals.pid = pid;
54 fpm_globals.run_as_root = run_as_root;
55 fpm_globals.force_stderr = force_stderr;
56
57 if (0 > fpm_php_init_main() ||
58 0 > fpm_stdio_init_main() ||
59 0 > fpm_conf_init_main(test_conf, force_daemon) ||
60 0 > fpm_unix_init_main() ||
61 0 > fpm_scoreboard_init_main() ||
62 0 > fpm_pctl_init_main() ||
63 0 > fpm_env_init_main() ||
64 0 > fpm_signals_init_main() ||
65 0 > fpm_children_init_main() ||
66 0 > fpm_sockets_init_main() ||
67 0 > fpm_worker_pool_init_main() ||
68 0 > fpm_event_init_main()) {
69
70 if (fpm_globals.test_successful) {
71 exit(FPM_EXIT_OK);
72 } else {
73 zlog(ZLOG_ERROR, "FPM initialization failed");
74 return -1;
75 }
76 }
77
78 if (0 > fpm_conf_write_pid()) {
79 zlog(ZLOG_ERROR, "FPM initialization failed");
80 return -1;
81 }
82
83 fpm_stdio_init_final();
84 zlog(ZLOG_NOTICE, "fpm is running, pid %d", (int) fpm_globals.parent_pid);
85
86 return 0;
87 }
88 /* }}} */
89
90 /* children: return listening socket
91 parent: never return */
fpm_run(int * max_requests)92 int fpm_run(int *max_requests) /* {{{ */
93 {
94 struct fpm_worker_pool_s *wp;
95
96 /* create initial children in all pools */
97 for (wp = fpm_worker_all_pools; wp; wp = wp->next) {
98 int is_parent;
99
100 is_parent = fpm_children_create_initial(wp);
101
102 if (!is_parent) {
103 goto run_child;
104 }
105
106 /* handle error */
107 if (is_parent == 2) {
108 fpm_pctl(FPM_PCTL_STATE_TERMINATING, FPM_PCTL_ACTION_SET);
109 fpm_event_loop(1);
110 }
111 }
112
113 /* run event loop forever */
114 fpm_event_loop(0);
115
116 run_child: /* only workers reach this point */
117
118 fpm_cleanups_run(FPM_CLEANUP_CHILD);
119
120 *max_requests = fpm_globals.max_requests;
121 return fpm_globals.listening_socket;
122 }
123 /* }}} */
124
