2 * Second generation Storage daemon.
4 * It accepts a number of simple commands from the File daemon
5 * and acts on them. When a request to append data is made,
6 * it opens a data channel and accepts data from the
13 Copyright (C) 2000-2003 Kern Sibbald and John Walker
15 This program is free software; you can redistribute it and/or
16 modify it under the terms of the GNU General Public License as
17 published by the Free Software Foundation; either version 2 of
18 the License, or (at your option) any later version.
20 This program is distributed in the hope that it will be useful,
21 but WITHOUT ANY WARRANTY; without even the implied warranty of
22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23 General Public License for more details.
25 You should have received a copy of the GNU General Public
26 License along with this program; if not, write to the Free
27 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
35 /* Imported functions */
38 /* Forward referenced functions */
39 void terminate_stored(int sig);
40 static void check_config();
41 static void *device_allocation(void *arg);
43 #define CONFIG_FILE "bacula-sd.conf" /* Default config file */
46 /* Global variables exported */
49 /* This is our own global resource */
52 static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
53 static uint32_t VolSessionId = 0;
54 uint32_t VolSessionTime;
57 static int foreground = 0;
59 static workq_t dird_workq; /* queue for processing connections */
65 "\nVersion: " VERSION " (" BDATE ")\n\n"
66 "Usage: stored [-s -f ] [-c config_file] [-d debug_level] [config_file]\n"
67 " -c <file> use <file> as configuration file\n"
68 " -dnn set debug level to nn\n"
69 " -f run in foreground (for debugging)\n"
71 " -s no signals (for debugging)\n"
72 " -t test - read config and exit\n"
74 " -? print this message.\n"
79 /*********************************************************************
81 * Main Bacula Unix Storage Daemon
84 int main (int argc, char *argv[])
87 int no_signals = FALSE;
88 int test_config = FALSE;
94 my_name_is(argc, argv, "stored");
96 daemon_start_time = time(NULL);
97 memset(&last_job, 0, sizeof(last_job));
100 if (TAPE_BSIZE % DEV_BSIZE != 0 || TAPE_BSIZE / DEV_BSIZE == 0) {
101 Emsg2(M_ABORT, 0, "Tape block size (%d) not multiple of system size (%d)\n",
102 TAPE_BSIZE, DEV_BSIZE);
104 if (TAPE_BSIZE != (1 << (ffs(TAPE_BSIZE)-1))) {
105 Emsg1(M_ABORT, 0, "Tape block size (%d) is not a power of 2\n", TAPE_BSIZE);
108 while ((ch = getopt(argc, argv, "c:d:fg:stu:?")) != -1) {
110 case 'c': /* configuration file */
111 if (configfile != NULL) {
114 configfile = bstrdup(optarg);
117 case 'd': /* debug level */
118 debug_level = atoi(optarg);
119 if (debug_level <= 0) {
124 case 'f': /* run in foreground */
128 case 'g': /* set group id */
132 case 's': /* no signals */
140 case 'u': /* set uid */
154 if (configfile != NULL) {
157 configfile = bstrdup(*argv);
165 init_signals(terminate_stored);
169 if (configfile == NULL) {
170 configfile = bstrdup(CONFIG_FILE);
173 parse_config(configfile);
181 daemon_start(); /* become daemon */
182 init_stack_dump(); /* pick up new pid */
187 create_pid_file(me->pid_directory, "bacula-sd", me->SDport);
189 /* Ensure that Volume Session Time and Id are both
190 * set and are both non-zero.
192 VolSessionTime = (long)daemon_start_time;
193 if (VolSessionTime == 0) { /* paranoid */
194 Emsg0(M_ABORT, 0, _("Volume Session Time is ZERO!\n"));
197 /* Make sure on Solaris we can run concurrent, watch dog + servers + misc */
198 set_thread_concurrency(me->max_concurrent_jobs * 2 + 4);
201 * Start the device allocation thread
203 if (pthread_create(&thid, NULL, device_allocation, NULL) != 0) {
204 Emsg1(M_ABORT, 0, _("Unable to create thread. ERR=%s\n"), strerror(errno));
207 start_watchdog(); /* start watchdog thread */
210 * Sleep a bit to give device thread a chance to lock the resource
211 * chain before we start the server.
215 /* Single server used for Director and File daemon */
216 bnet_thread_server(me->SDaddr, me->SDport, me->max_concurrent_jobs * 2 + 1,
217 &dird_workq, connection_request);
218 exit(1); /* to keep compiler quiet */
221 /* Return a new Session Id */
222 uint32_t newVolSessionId()
233 /* Check Configuration file for necessary info */
234 static void check_config()
236 struct stat stat_buf;
239 me = (STORES *)GetNextRes(R_STORAGE, NULL);
242 Emsg1(M_ERROR_TERM, 0, _("No Storage resource defined in %s. Cannot continue.\n"),
246 my_name_is(0, (char **)NULL, me->hdr.name); /* Set our real name */
248 if (GetNextRes(R_STORAGE, (RES *)me) != NULL) {
250 Emsg1(M_ERROR_TERM, 0, _("Only one Storage resource permitted in %s\n"),
253 if (GetNextRes(R_DIRECTOR, NULL) == NULL) {
255 Emsg1(M_ERROR_TERM, 0, _("No Director resource defined in %s. Cannot continue.\n"),
258 if (GetNextRes(R_DEVICE, NULL) == NULL){
260 Emsg1(M_ERROR_TERM, 0, _("No Device resource defined in %s. Cannot continue.\n"),
264 me->messages = (MSGS *)GetNextRes(R_MSGS, NULL);
266 Emsg1(M_ERROR_TERM, 0, _("No Messages resource defined in %s. Cannot continue.\n"),
270 close_msg(NULL); /* close temp message handler */
271 init_msg(NULL, me->messages); /* open daemon message handler */
275 if (!me->working_directory) {
276 Emsg1(M_ERROR_TERM, 0, _("No Working Directory defined in %s. Cannot continue.\n"),
279 if (stat(me->working_directory, &stat_buf) != 0) {
280 Emsg1(M_ERROR_TERM, 0, _("Working Directory: %s not found. Cannot continue.\n"),
281 me->working_directory);
283 if (!S_ISDIR(stat_buf.st_mode)) {
284 Emsg1(M_ERROR_TERM, 0, _("Working Directory: %s is not a directory. Cannot continue.\n"),
285 me->working_directory);
287 working_directory = me->working_directory;
291 * We are started as a separate thread. The
292 * resources are alread locked.
294 static void *device_allocation(void *arg)
300 pthread_detach(pthread_self());
302 for (device=NULL,i=0; (device=(DEVRES *)GetNextRes(R_DEVICE, (RES *)device)); i++) {
303 Dmsg1(90, "calling init_dev %s\n", device->device_name);
304 device->dev = init_dev(NULL, device);
305 Dmsg1(10, "SD init done %s\n", device->device_name);
307 Emsg1(M_ERROR, 0, _("Could not initialize %s\n"), device->device_name);
309 if (device->cap_bits & CAP_ALWAYSOPEN) {
310 Dmsg1(20, "calling open_device %s\n", device->device_name);
311 if (!open_device(device->dev)) {
312 Emsg1(M_ERROR, 0, _("Could not open device %s\n"), device->device_name);
315 if (device->cap_bits & CAP_AUTOMOUNT && device->dev &&
316 device->dev->state & ST_OPENED) {
319 block = new_block(device->dev);
320 jcr = new_jcr(sizeof(JCR), stored_free_jcr);
321 switch (read_dev_volume_label(jcr, device->dev, block)) {
325 Emsg1(M_WARNING, 0, _("Could not mount device %s\n"), device->device_name);
337 /* Clean up and then exit */
338 void terminate_stored(int sig)
340 static int in_here = FALSE;
343 if (in_here) { /* prevent loops */
348 delete_pid_file(me->pid_directory, "bacula-sd", me->SDport);
351 Dmsg0(200, "In terminate_stored()\n");
354 for (device=NULL; (device=(DEVRES *)GetNextRes(R_DEVICE, (RES *)device)); ) {
356 term_dev(device->dev);
363 free_config_resources();
365 if (debug_level > 10) {
366 print_memory_pool_stats();
371 sm_dump(False); /* dump orphaned buffers */