460b9539 |
1 | /* |
2 | * This file is part of DisOrder |
3 | * Copyright (C) 2005 Richard Kettlewell |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify |
6 | * it under the terms of the GNU General Public License as published by |
7 | * the Free Software Foundation; either version 2 of the License, or |
8 | * (at your option) any later version. |
9 | * |
10 | * This program is distributed in the hope that it will be useful, but |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | * General Public License for more details. |
14 | * |
15 | * You should have received a copy of the GNU General Public License |
16 | * along with this program; if not, write to the Free Software |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
18 | * USA |
19 | */ |
20 | |
21 | #include <config.h> |
22 | #include "types.h" |
23 | |
24 | #include <getopt.h> |
25 | #include <stdio.h> |
26 | #include <stdlib.h> |
27 | #include <db.h> |
28 | #include <locale.h> |
29 | #include <errno.h> |
30 | #include <sys/types.h> |
31 | #include <unistd.h> |
32 | #include <pcre.h> |
33 | #include <string.h> |
34 | #include <syslog.h> |
35 | |
36 | #include "configuration.h" |
37 | #include "syscalls.h" |
38 | #include "log.h" |
39 | #include "defs.h" |
40 | #include "mem.h" |
41 | #include "kvp.h" |
42 | #include "trackdb.h" |
43 | #include "trackdb-int.h" |
44 | |
45 | static const struct option options[] = { |
46 | { "help", no_argument, 0, 'h' }, |
47 | { "version", no_argument, 0, 'V' }, |
48 | { "config", required_argument, 0, 'c' }, |
49 | { "debug", no_argument, 0, 'd' }, |
50 | { "no-debug", no_argument, 0, 'D' }, |
51 | { 0, 0, 0, 0 } |
52 | }; |
53 | |
54 | /* display usage message and terminate */ |
55 | static void help(void) { |
56 | xprintf("Usage:\n" |
57 | " disorder-deadlock [OPTIONS]\n" |
58 | "Options:\n" |
59 | " --help, -h Display usage message\n" |
60 | " --version, -V Display version number\n" |
61 | " --config PATH, -c PATH Set configuration file\n" |
62 | " --debug, -d Turn on debugging\n" |
63 | "\n" |
64 | "Deadlock manager for DisOrder. Not intended to be run\n" |
65 | "directly.\n"); |
66 | xfclose(stdout); |
67 | exit(0); |
68 | } |
69 | |
70 | /* display version number and terminate */ |
71 | static void version(void) { |
72 | xprintf("disorder-deadlock version %s\n", disorder_version_string); |
73 | xfclose(stdout); |
74 | exit(0); |
75 | } |
76 | |
77 | int main(int argc, char **argv) { |
78 | int n, err, aborted; |
79 | |
80 | set_progname(argv); |
81 | mem_init(0); |
82 | if(!setlocale(LC_CTYPE, "")) fatal(errno, "error calling setlocale"); |
83 | while((n = getopt_long(argc, argv, "hVc:dD", options, 0)) >= 0) { |
84 | switch(n) { |
85 | case 'h': help(); |
86 | case 'V': version(); |
87 | case 'c': configfile = optarg; break; |
88 | case 'd': debugging = 1; break; |
89 | case 'D': debugging = 0; break; |
90 | default: fatal(0, "invalid option"); |
91 | } |
92 | } |
93 | /* if stderr is a TTY then log there, otherwise to syslog */ |
94 | if(!isatty(2)) { |
95 | openlog(progname, LOG_PID, LOG_DAEMON); |
96 | log_default = &log_syslog; |
97 | } |
98 | if(config_read()) fatal(0, "cannot read configuration"); |
99 | info("started"); |
100 | trackdb_init(0); |
101 | while(getppid() != 1) { |
102 | if((err = trackdb_env->lock_detect(trackdb_env, |
103 | 0, |
104 | DB_LOCK_DEFAULT, |
105 | &aborted))) |
106 | fatal(0, "trackdb_env->lock_detect: %s", db_strerror(err)); |
107 | if(aborted) |
108 | D(("aborted %d lock requests", aborted)); |
109 | sleep(1); |
110 | } |
111 | /* if our parent goes away, it's time to stop */ |
112 | info("stopped (parent terminated)"); |
113 | return 0; |
114 | } |
115 | |
116 | /* |
117 | Local Variables: |
118 | c-basic-offset:2 |
119 | comment-column:40 |
120 | fill-column:79 |
121 | indent-tabs-mode:nil |
122 | End: |
123 | */ |