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1 | #include "../lib/sstring.h" | |
2 | #include "events.h" | |
3 | #include "schedule.h" | |
4 | #include "hooks.h" | |
5 | #include "modules.h" | |
6 | #include "config.h" | |
7 | #include "error.h" | |
8 | #include "nsmalloc.h" | |
9 | ||
10 | #include <stdlib.h> | |
11 | #include <stdio.h> | |
12 | #include <time.h> | |
13 | #include <sys/time.h> | |
14 | #include <signal.h> | |
15 | ||
16 | void initseed(); | |
17 | void init_logfile(); | |
18 | void fini_logfile(); | |
19 | void siginthandler(int sig); | |
20 | void sigusr1handler(int sig); | |
21 | void sigsegvhandler(int sig); | |
22 | void sighuphandler(int sig); | |
23 | void handlecore(void); | |
24 | void handlesignals(void); | |
25 | ||
26 | int newserv_shutdown_pending; | |
27 | static int newserv_sigint_pending, newserv_sigusr1_pending, newserv_sighup_pending; | |
28 | static void (*oldsegv)(int); | |
29 | ||
30 | int main(int argc, char **argv) { | |
31 | initseed(); | |
32 | inithooks(); | |
33 | inithandlers(); | |
34 | initschedule(); | |
35 | ||
36 | init_logfile(); | |
37 | ||
38 | initsstring(); | |
39 | ||
40 | if (argc>1) { | |
41 | initconfig(argv[1]); | |
42 | } else { | |
43 | initconfig("newserv.conf"); | |
44 | } | |
45 | ||
46 | /* Loading the modules will bring in the bulk of the code */ | |
47 | initmodules(); | |
48 | signal(SIGINT, siginthandler); | |
49 | signal(SIGUSR1, sigusr1handler); | |
50 | signal(SIGHUP, sighuphandler); | |
51 | oldsegv = signal(SIGSEGV, sigsegvhandler); | |
52 | ||
53 | /* Main loop */ | |
54 | for(;;) { | |
55 | handleevents(10); | |
56 | doscheduledevents(time(NULL)); | |
57 | ||
58 | if (newserv_shutdown_pending) { | |
59 | newserv_shutdown(); | |
60 | break; | |
61 | } | |
62 | ||
63 | handlesignals(); | |
64 | } | |
65 | ||
66 | freeconfig(); | |
67 | finisstring(); | |
68 | ||
69 | fini_logfile(); | |
70 | finischedule(); | |
71 | finihandlers(); | |
72 | ||
73 | nsexit(); | |
74 | } | |
75 | ||
76 | void handlesignals(void) { | |
77 | if (newserv_sigusr1_pending) { | |
78 | signal(SIGUSR1, sigusr1handler); | |
79 | Error("core", ERR_INFO, "SIGUSR1 received."); | |
80 | triggerhook(HOOK_CORE_SIGUSR1, NULL); | |
81 | newserv_sigusr1_pending=0; | |
82 | } | |
83 | ||
84 | if (newserv_sighup_pending) { | |
85 | signal(SIGHUP, sighuphandler); | |
86 | Error("core", ERR_INFO, "SIGHUP received, rehashing..."); | |
87 | triggerhook(HOOK_CORE_REHASH, (void *)1); | |
88 | newserv_sighup_pending=0; | |
89 | } | |
90 | ||
91 | if (newserv_sigint_pending) { | |
92 | Error("core", ERR_INFO, "SIGINT received, terminating."); | |
93 | triggerhook(HOOK_CORE_SIGINT, NULL); | |
94 | newserv_sigint_pending=0; | |
95 | newserv_shutdown_pending=1; | |
96 | } | |
97 | } | |
98 | ||
99 | /* | |
100 | * seed the pseudo-random number generator, rand() | |
101 | */ | |
102 | void initseed() { | |
103 | struct timeval t; | |
104 | ||
105 | gettimeofday(&t, NULL); | |
106 | srand(t.tv_usec); | |
107 | } | |
108 | ||
109 | void siginthandler(int sig) { | |
110 | newserv_sigint_pending = 1; | |
111 | } | |
112 | ||
113 | void sigusr1handler(int sig) { | |
114 | newserv_sigusr1_pending = 1; | |
115 | } | |
116 | ||
117 | void sighuphandler(int sig) { | |
118 | newserv_sighup_pending = 1; | |
119 | } | |
120 | ||
121 | void sigsegvhandler(int sig) { | |
122 | handlecore(); | |
123 | ||
124 | oldsegv(sig); | |
125 | } |