3 * Bacula Director daemon -- this is the main program
5 * Kern Sibbald, March MM
10 Copyright (C) 2000, 2001, 2002 Kern Sibbald and John Walker
12 This program is free software; you can redistribute it and/or
13 modify it under the terms of the GNU General Public License as
14 published by the Free Software Foundation; either version 2 of
15 the License, or (at your option) any later version.
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 General Public License for more details.
22 You should have received a copy of the GNU General Public
23 License along with this program; if not, write to the Free
24 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
32 /* Forward referenced subroutines */
33 static void terminate_dird(int sig);
34 static int check_resources();
35 static void reload_config(int sig);
37 /* Exported subroutines */
40 /* Imported subroutines */
41 extern JCR *wait_for_next_job(char *runjob);
42 extern void term_scheduler();
43 extern void term_ua_server();
44 extern int do_backup(JCR *jcr);
45 extern void backup_cleanup(void);
46 extern void start_UA_server(int port);
47 extern void run_job(JCR *jcr);
48 extern void init_job_server(int max_workers);
50 static char *configfile = NULL;
51 static char *runjob = NULL;
53 static int background = 1;
55 /* Globals Exported */
56 DIRRES *director; /* Director resource */
60 #define CONFIG_FILE "./bacula-dir.conf" /* default configuration file */
65 "\nVersion: " VERSION " (" DATE ")\n\n"
66 "Usage: dird [-f -s] [-c config_file] [-d debug_level] [config_file]\n"
67 " -c <file> set configuration file to file\n"
68 " -dnn set debug level to nn\n"
69 " -f run in foreground (for debugging)\n"
70 " -r <job> run <job> now\n"
72 " -t test - read configuration and exit\n"
73 " -? print this message.\n"
80 /*********************************************************************
82 * Main Bacula Server program
85 int main (int argc, char *argv[])
89 int no_signals = FALSE;
90 int test_config = FALSE;
93 my_name_is(argc, argv, "bacula-dir");
94 init_msg(NULL, NULL); /* initialize message handler */
95 daemon_start_time = time(NULL);
96 memset(&last_job, 0, sizeof(last_job));
98 while ((ch = getopt(argc, argv, "c:d:fr:st?")) != -1) {
100 case 'c': /* specify config file */
101 if (configfile != NULL) {
104 configfile = bstrdup(optarg);
107 case 'd': /* set debug level */
108 debug_level = atoi(optarg);
109 if (debug_level <= 0) {
112 Dmsg1(0, "Debug level = %d\n", debug_level);
115 case 'f': /* run in foreground */
119 case 'r': /* run job */
120 if (runjob != NULL) {
124 runjob = bstrdup(optarg);
128 case 's': /* turn off signals */
132 case 't': /* test config */
146 init_signals(terminate_dird);
148 signal(SIGCHLD, SIG_IGN);
151 if (configfile != NULL) {
154 configfile = bstrdup(*argv);
162 if (configfile == NULL) {
163 configfile = bstrdup(CONFIG_FILE);
166 parse_config(configfile);
168 if (!check_resources()) {
169 Jmsg(NULL, M_ERROR_TERM, 0, "Please correct configuration file: %s\n", configfile);
176 my_name_is(0, NULL, director->hdr.name); /* set user defined name */
178 FDConnectTimeout = director->FDConnectTimeout;
179 SDConnectTimeout = director->SDConnectTimeout;
183 init_stack_dump(); /* grab new pid */
186 /* Create pid must come after we are a daemon -- so we have our final pid */
187 create_pid_file(director->pid_directory, "bacula-dir", director->DIRport);
189 /* signal(SIGHUP, reload_config); */
191 init_console_msg(working_directory);
193 set_thread_concurrency(director->MaxConcurrentJobs * 2 +
194 4 /* UA */ + 4 /* sched+watchdog+jobsvr+misc */);
196 Dmsg0(200, "Start UA server\n");
197 start_UA_server(director->DIRport);
199 start_watchdog(); /* start network watchdog thread */
201 init_job_server(director->MaxConcurrentJobs);
203 Dmsg0(200, "wait for next job\n");
204 /* Main loop -- call scheduler to get next job to run */
205 while ((jcr = wait_for_next_job(runjob))) {
206 run_job(jcr); /* run job */
207 if (runjob) { /* command line, run a single job? */
208 break; /* yes, terminate */
215 /* Cleanup and then exit */
216 static void terminate_dird(int sig)
218 static int already_here = FALSE;
220 if (already_here) { /* avoid recursive temination problems */
224 delete_pid_file(director->pid_directory, "bacula-dir",
227 signal(SIGCHLD, SIG_IGN); /* don't worry about children now */
232 if (configfile != NULL) {
235 if (debug_level > 5) {
236 print_memory_pool_stats();
238 free_config_resources();
240 term_msg(); /* terminate message handler */
241 close_memory_pool(); /* release free memory in pool */
247 * If we get here, we have received a SIGHUP, which means to
248 * reread our configuration file.
250 * ***FIXME*** Check that there are no jobs running before
253 static void reload_config(int sig)
255 static int already_here = FALSE;
259 abort(); /* Oops, recursion -> die */
263 sigprocmask(SIG_BLOCK, &set, NULL);
265 free_config_resources();
267 parse_config(configfile);
269 Dmsg0(200, "check_resources()\n");
270 if (!check_resources()) {
271 Jmsg(NULL, M_ERROR_TERM, 0, _("Please correct configuration file: %s\n"), configfile);
275 working_directory = director->working_directory;
276 FDConnectTimeout = director->FDConnectTimeout;
277 SDConnectTimeout = director->SDConnectTimeout;
279 sigprocmask(SIG_UNBLOCK, &set, NULL);
280 signal(SIGHUP, reload_config);
281 already_here = FALSE;
282 Dmsg0(0, "Director's configuration file reread.\n");
286 * Make a quick check to see that we have all the
289 * **** FIXME **** this routine could be a lot more
290 * intelligent and comprehensive.
292 static int check_resources()
299 job = (JOB *)GetNextRes(R_JOB, NULL);
300 director = (DIRRES *)GetNextRes(R_DIRECTOR, NULL);
302 Jmsg(NULL, M_FATAL, 0, _("No Director resource defined in %s\n\
303 Without that I don't know who I am :-(\n"), configfile);
306 if (!director->working_directory) {
307 Jmsg(NULL, M_FATAL, 0, _("No working directory specified. Cannot continue.\n"));
310 working_directory = director->working_directory;
311 if (!director->messages) { /* If message resource not specified */
312 director->messages = (MSGS *)GetNextRes(R_MSGS, NULL);
313 if (!director->messages) {
314 Jmsg(NULL, M_FATAL, 0, _("No Messages resource defined in %s\n"), configfile);
318 if (GetNextRes(R_DIRECTOR, (RES *)director) != NULL) {
319 Jmsg(NULL, M_FATAL, 0, _("Only one Director resource permitted in %s\n"),
326 Jmsg(NULL, M_FATAL, 0, _("No Job records defined in %s\n"), configfile);
329 for (job=NULL; (job = (JOB *)GetNextRes(R_JOB, (RES *)job)); ) {
331 Jmsg(NULL, M_FATAL, 0, _("No Client record defined for job %s\n"), job->hdr.name);
335 Jmsg(NULL, M_FATAL, 0, _("No FileSet record defined for job %s\n"), job->hdr.name);
338 if (!job->storage && job->JobType != JT_VERIFY) {
339 Jmsg(NULL, M_FATAL, 0, _("No Storage resource defined for job %s\n"), job->hdr.name);
343 Jmsg(NULL, M_FATAL, 0, _("No Pool resource defined for job %s\n"), job->hdr.name);
346 if (job->client && job->client->catalog) {
347 CAT *catalog = job->client->catalog;
351 * Make sure we can open catalog, otherwise print a warning
352 * message because the server is probably not running.
354 db = db_init_database(NULL, catalog->db_name, catalog->db_user,
355 catalog->db_password);
356 if (!db_open_database(db)) {
357 Jmsg(NULL, M_FATAL, 0, "%s", db_strerror(db));
359 db_close_database(db);
362 Jmsg(NULL, M_FATAL, 0, _("No Catalog resource defined for client %s\n"),
363 job->client->hdr.name);
371 close_msg(NULL); /* close temp message handler */
372 init_msg(NULL, director->messages); /* open daemon message handler */