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