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