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 " -v verbose user messages\n"
75 " -? print this message.\n"
80 /*********************************************************************
82 * Main Bacula Unix Storage Daemon
85 int main (int argc, char *argv[])
88 int no_signals = FALSE;
89 int test_config = FALSE;
95 my_name_is(argc, argv, "stored");
97 daemon_start_time = time(NULL);
98 memset(&last_job, 0, sizeof(last_job));
101 if (TAPE_BSIZE % DEV_BSIZE != 0 || TAPE_BSIZE / DEV_BSIZE == 0) {
102 Emsg2(M_ABORT, 0, "Tape block size (%d) not multiple of system size (%d)\n",
103 TAPE_BSIZE, DEV_BSIZE);
105 if (TAPE_BSIZE != (1 << (ffs(TAPE_BSIZE)-1))) {
106 Emsg1(M_ABORT, 0, "Tape block size (%d) is not a power of 2\n", TAPE_BSIZE);
109 while ((ch = getopt(argc, argv, "c:d:fg:stu:v?")) != -1) {
111 case 'c': /* configuration file */
112 if (configfile != NULL) {
115 configfile = bstrdup(optarg);
118 case 'd': /* debug level */
119 debug_level = atoi(optarg);
120 if (debug_level <= 0) {
125 case 'f': /* run in foreground */
129 case 'g': /* set group id */
133 case 's': /* no signals */
141 case 'u': /* set uid */
145 case 'v': /* verbose */
159 if (configfile != NULL) {
162 configfile = bstrdup(*argv);
170 init_signals(terminate_stored);
174 if (configfile == NULL) {
175 configfile = bstrdup(CONFIG_FILE);
178 parse_config(configfile);
186 daemon_start(); /* become daemon */
187 init_stack_dump(); /* pick up new pid */
192 create_pid_file(me->pid_directory, "bacula-sd", me->SDport);
194 /* Ensure that Volume Session Time and Id are both
195 * set and are both non-zero.
197 VolSessionTime = (long)daemon_start_time;
198 if (VolSessionTime == 0) { /* paranoid */
199 Emsg0(M_ABORT, 0, _("Volume Session Time is ZERO!\n"));
202 /* Make sure on Solaris we can run concurrent, watch dog + servers + misc */
203 set_thread_concurrency(me->max_concurrent_jobs * 2 + 4);
206 * Start the device allocation thread
208 if (pthread_create(&thid, NULL, device_allocation, NULL) != 0) {
209 Emsg1(M_ABORT, 0, _("Unable to create thread. ERR=%s\n"), strerror(errno));
212 start_watchdog(); /* start watchdog thread */
215 * Sleep a bit to give device thread a chance to lock the resource
216 * chain before we start the server.
220 /* Single server used for Director and File daemon */
221 bnet_thread_server(me->SDaddr, me->SDport, me->max_concurrent_jobs * 2 + 1,
222 &dird_workq, connection_request);
223 exit(1); /* to keep compiler quiet */
226 /* Return a new Session Id */
227 uint32_t newVolSessionId()
238 /* Check Configuration file for necessary info */
239 static void check_config()
241 struct stat stat_buf;
244 me = (STORES *)GetNextRes(R_STORAGE, NULL);
247 Emsg1(M_ERROR_TERM, 0, _("No Storage resource defined in %s. Cannot continue.\n"),
251 my_name_is(0, (char **)NULL, me->hdr.name); /* Set our real name */
253 if (GetNextRes(R_STORAGE, (RES *)me) != NULL) {
255 Emsg1(M_ERROR_TERM, 0, _("Only one Storage resource permitted in %s\n"),
258 if (GetNextRes(R_DIRECTOR, NULL) == NULL) {
260 Emsg1(M_ERROR_TERM, 0, _("No Director resource defined in %s. Cannot continue.\n"),
263 if (GetNextRes(R_DEVICE, NULL) == NULL){
265 Emsg1(M_ERROR_TERM, 0, _("No Device resource defined in %s. Cannot continue.\n"),
269 me->messages = (MSGS *)GetNextRes(R_MSGS, NULL);
271 Emsg1(M_ERROR_TERM, 0, _("No Messages resource defined in %s. Cannot continue.\n"),
275 close_msg(NULL); /* close temp message handler */
276 init_msg(NULL, me->messages); /* open daemon message handler */
280 if (!me->working_directory) {
281 Emsg1(M_ERROR_TERM, 0, _("No Working Directory defined in %s. Cannot continue.\n"),
284 if (stat(me->working_directory, &stat_buf) != 0) {
285 Emsg1(M_ERROR_TERM, 0, _("Working Directory: %s not found. Cannot continue.\n"),
286 me->working_directory);
288 if (!S_ISDIR(stat_buf.st_mode)) {
289 Emsg1(M_ERROR_TERM, 0, _("Working Directory: %s is not a directory. Cannot continue.\n"),
290 me->working_directory);
292 working_directory = me->working_directory;
296 * We are started as a separate thread. The
297 * resources are alread locked.
299 static void *device_allocation(void *arg)
305 pthread_detach(pthread_self());
307 for (device=NULL,i=0; (device=(DEVRES *)GetNextRes(R_DEVICE, (RES *)device)); i++) {
308 Dmsg1(90, "calling init_dev %s\n", device->device_name);
309 device->dev = init_dev(NULL, device);
310 Dmsg1(10, "SD init done %s\n", device->device_name);
312 Emsg1(M_ERROR, 0, _("Could not initialize %s\n"), device->device_name);
314 if (device->cap_bits & CAP_ALWAYSOPEN) {
315 Dmsg1(20, "calling open_device %s\n", device->device_name);
316 if (!open_device(device->dev)) {
317 Emsg1(M_ERROR, 0, _("Could not open device %s\n"), device->device_name);
320 if (device->cap_bits & CAP_AUTOMOUNT && device->dev &&
321 device->dev->state & ST_OPENED) {
324 block = new_block(device->dev);
325 jcr = new_jcr(sizeof(JCR), stored_free_jcr);
326 switch (read_dev_volume_label(jcr, device->dev, block)) {
330 Emsg1(M_WARNING, 0, _("Could not mount device %s\n"), device->device_name);
342 /* Clean up and then exit */
343 void terminate_stored(int sig)
345 static int in_here = FALSE;
348 if (in_here) { /* prevent loops */
353 delete_pid_file(me->pid_directory, "bacula-sd", me->SDport);
356 Dmsg0(200, "In terminate_stored()\n");
359 for (device=NULL; (device=(DEVRES *)GetNextRes(R_DEVICE, (RES *)device)); ) {
361 term_dev(device->dev);
368 free_config_resources();
370 if (debug_level > 10) {
371 print_memory_pool_stats();
376 sm_dump(False); /* dump orphaned buffers */