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 */
47 char OK_msg[] = "3000 OK\n";
48 char TERM_msg[] = "3999 Terminate\n";
49 STORES *me; /* our Global resource */
51 static uint32_t VolSessionId = 0;
52 uint32_t VolSessionTime;
55 /* Global static variables */
56 static int foreground = 0;
57 static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
58 static workq_t dird_workq; /* queue for processing connections */
63 "\nVersion: " VERSION " (" BDATE ")\n\n"
64 "Usage: stored [-s -f ] [-c config_file] [-d debug_level] [config_file]\n"
65 " -c <file> use <file> as configuration file\n"
66 " -dnn set debug level to nn\n"
67 " -f run in foreground (for debugging)\n"
69 " -s no signals (for debugging)\n"
70 " -t test - read config and exit\n"
72 " -v verbose user messages\n"
73 " -? print this message.\n"
78 /*********************************************************************
80 * Main Bacula Unix Storage Daemon
83 int main (int argc, char *argv[])
86 int no_signals = FALSE;
87 int test_config = FALSE;
93 my_name_is(argc, argv, "bacula-sd");
94 textdomain("bacula-sd");
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:v?")) != -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 */
144 case 'v': /* verbose */
158 if (configfile != NULL) {
161 configfile = bstrdup(*argv);
169 init_signals(terminate_stored);
173 if (configfile == NULL) {
174 configfile = bstrdup(CONFIG_FILE);
177 parse_config(configfile);
185 daemon_start(); /* become daemon */
186 init_stack_dump(); /* pick up new pid */
191 create_pid_file(me->pid_directory, "bacula-sd", me->SDport);
193 /* Ensure that Volume Session Time and Id are both
194 * set and are both non-zero.
196 VolSessionTime = (long)daemon_start_time;
197 if (VolSessionTime == 0) { /* paranoid */
198 Emsg0(M_ABORT, 0, _("Volume Session Time is ZERO!\n"));
201 /* Make sure on Solaris we can run concurrent, watch dog + servers + misc */
202 set_thread_concurrency(me->max_concurrent_jobs * 2 + 4);
205 * Start the device allocation thread
207 if (pthread_create(&thid, NULL, device_allocation, NULL) != 0) {
208 Emsg1(M_ABORT, 0, _("Unable to create thread. ERR=%s\n"), strerror(errno));
211 start_watchdog(); /* start watchdog thread */
214 * Sleep a bit to give device thread a chance to lock the resource
215 * chain before we start the server.
219 /* Single server used for Director and File daemon */
220 bnet_thread_server(me->SDaddr, me->SDport, me->max_concurrent_jobs * 2 + 1,
221 &dird_workq, connection_request);
222 exit(1); /* to keep compiler quiet */
225 /* Return a new Session Id */
226 uint32_t newVolSessionId()
237 /* Check Configuration file for necessary info */
238 static void check_config()
241 me = (STORES *)GetNextRes(R_STORAGE, NULL);
244 Emsg1(M_ERROR_TERM, 0, _("No Storage resource defined in %s. Cannot continue.\n"),
248 my_name_is(0, (char **)NULL, me->hdr.name); /* Set our real name */
250 if (GetNextRes(R_STORAGE, (RES *)me) != NULL) {
252 Emsg1(M_ERROR_TERM, 0, _("Only one Storage resource permitted in %s\n"),
255 if (GetNextRes(R_DIRECTOR, NULL) == NULL) {
257 Emsg1(M_ERROR_TERM, 0, _("No Director resource defined in %s. Cannot continue.\n"),
260 if (GetNextRes(R_DEVICE, NULL) == NULL){
262 Emsg1(M_ERROR_TERM, 0, _("No Device resource defined in %s. Cannot continue.\n"),
266 me->messages = (MSGS *)GetNextRes(R_MSGS, NULL);
268 Emsg1(M_ERROR_TERM, 0, _("No Messages resource defined in %s. Cannot continue.\n"),
272 close_msg(NULL); /* close temp message handler */
273 init_msg(NULL, me->messages); /* open daemon message handler */
277 if (!me->working_directory) {
278 Emsg1(M_ERROR_TERM, 0, _("No Working Directory defined in %s. Cannot continue.\n"),
282 set_working_directory(me->working_directory);
286 * We are started as a separate thread. The
287 * resources are alread locked.
289 static void *device_allocation(void *arg)
295 pthread_detach(pthread_self());
297 for (device=NULL,i=0; (device=(DEVRES *)GetNextRes(R_DEVICE, (RES *)device)); i++) {
298 Dmsg1(90, "calling init_dev %s\n", device->device_name);
299 device->dev = init_dev(NULL, device);
300 Dmsg1(10, "SD init done %s\n", device->device_name);
302 Emsg1(M_ERROR, 0, _("Could not initialize %s\n"), device->device_name);
305 if (device->cap_bits & CAP_ALWAYSOPEN) {
306 Dmsg1(20, "calling open_device %s\n", device->device_name);
307 if (!open_device(device->dev)) {
308 Emsg1(M_ERROR, 0, _("Could not open device %s\n"), device->device_name);
311 if (device->cap_bits & CAP_AUTOMOUNT && device->dev &&
312 device->dev->state & ST_OPENED) {
315 block = new_block(device->dev);
316 jcr = new_jcr(sizeof(JCR), stored_free_jcr);
317 switch (read_dev_volume_label(jcr, device->dev, block)) {
321 Emsg1(M_WARNING, 0, _("Could not mount device %s\n"), device->device_name);
333 /* Clean up and then exit */
334 void terminate_stored(int sig)
336 static int in_here = FALSE;
339 if (in_here) { /* prevent loops */
344 delete_pid_file(me->pid_directory, "bacula-sd", me->SDport);
347 Dmsg0(200, "In terminate_stored()\n");
350 for (device=NULL; (device=(DEVRES *)GetNextRes(R_DEVICE, (RES *)device)); ) {
352 term_dev(device->dev);
359 free_config_resources();
361 if (debug_level > 10) {
362 print_memory_pool_stats();
367 sm_dump(False); /* dump orphaned buffers */