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
11 Copyright (C) 2000, 2001, 2002 Kern Sibbald and John Walker
13 This program is free software; you can redistribute it and/or
14 modify it under the terms of the GNU General Public License as
15 published by the Free Software Foundation; either version 2 of
16 the License, or (at your option) any later version.
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 General Public License for more details.
23 You should have received a copy of the GNU General Public
24 License along with this program; if not, write to the Free
25 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
33 /* Imported functions */
36 /* Forward referenced functions */
37 void terminate_stored(int sig);
38 static void check_config();
39 static void *director_thread(void *arg);
41 #define CONFIG_FILE "bacula-sd.conf" /* Default config file */
44 /* Global variables exported */
47 struct s_shm *shm; /* memory shared with children */
48 BSHM bshm; /* shared memory control packet */
51 /* This is our own global resource */
54 static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
55 static uint32_t VolSessionId = 0;
56 uint32_t VolSessionTime;
58 static char *configfile;
59 static int foreground = 0;
61 static workq_t dird_workq; /* queue for processing connections */
62 static workq_t filed_workq; /* queue for processing connections */
68 "\nVersion: " VERSION " (" DATE ")\n\n"
69 "Usage: stored [-s -f ] [-c config_file] [-d debug_level] [config_file]\n"
70 " -c <file> use <file> as configuration file\n"
71 " -dnn set debug level to nn\n"
72 " -f run in foreground (for debugging)\n"
73 " -s no signals (for debugging)\n"
74 " -t test - read config and exit\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");
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:fst?")) != -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 's': /* no signals */
146 if (configfile != NULL) {
149 configfile = bstrdup(*argv);
157 init_signals(terminate_stored);
161 if (configfile == NULL) {
162 configfile = bstrdup(CONFIG_FILE);
165 init_msg(NULL, NULL);
166 parse_config(configfile);
175 daemon_start(); /* become daemon */
176 init_stack_dump(); /* pick up new pid */
179 /* ****FIXME**** clean this up */
180 /* Create and attach to shared memory. This is a
181 * hold over from the days of child processes.
182 * Note, in reality all memory is shared. This
183 * is just a global buffer for the device packets.
185 shm = (s_shm *) malloc(sizeof(struct s_shm));
186 /* Zero shared memory */
187 memset(shm, 0, sizeof(struct s_shm));
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"));
198 for (device=NULL,i=0; (device=(DEVRES *)GetNextRes(R_DEVICE, (RES *)device)); i++) {
199 if (i >= MAX_DEVICES) {
201 Emsg1(M_ABORT, 0, _("Too many Device Resources. Max=%d\n"), MAX_DEVICES);
203 Dmsg1(90, "calling init_dev %s\n", device->device_name);
204 device->dev = init_dev(&shm->dev[i], device->device_name);
205 /* Copy some attributes from the Device Resource to the DEV structure */
207 device->dev->capabilities = device->cap_bits;
208 device->dev->min_block_size = device->min_block_size;
209 device->dev->max_block_size = device->max_block_size;
210 device->dev->max_volume_jobs = device->max_volume_jobs;
211 device->dev->max_volume_files = device->max_volume_files;
212 device->dev->max_volume_size = device->max_volume_size;
213 device->dev->max_file_size = device->max_file_size;
214 device->dev->volume_capacity = device->volume_capacity;
215 device->dev->max_rewind_wait = device->max_rewind_wait;
216 device->dev->device = device;
218 Dmsg1(10, "Init done %s\n", device->device_name);
220 Emsg1(M_ERROR, 0, _("Could not initialize %s\n"), device->device_name);
222 if (device->cap_bits & CAP_ALWAYSOPEN) {
223 Dmsg1(20, "calling open_device %s\n", device->device_name);
224 if (!open_device(device->dev)) {
225 Emsg1(M_ERROR, 0, _("Could not open device %s\n"), device->device_name);
228 if (device->cap_bits & CAP_AUTOMOUNT && device->dev &&
229 device->dev->state & ST_OPENED) {
232 block = new_block(device->dev);
233 jcr = new_jcr(sizeof(JCR), stored_free_jcr);
234 switch (read_dev_volume_label(jcr, device->dev, block)) {
238 Emsg1(M_WARNING, 0, _("Could not mount device %s\n"), device->device_name);
248 start_watchdog(); /* start watchdog thread */
251 * Here we support either listening on one port or on two ports
253 if (me->SDDport == 0 || me->SDDport == me->SDport) {
254 /* Single server used for Director and File daemon */
255 bnet_thread_server(me->SDport, 20, &dird_workq, connection_request);
257 /* Start the Director server */
258 set_thread_concurrency(10);
259 if ((status=pthread_create(&dirid, NULL, director_thread,
260 (void *)me->SDport)) != 0) {
261 Emsg1(M_ABORT, 0, _("Cannot create Director thread: %s\n"), strerror(status));
263 /* Start File daemon server */
264 bnet_thread_server(me->SDDport, 10, &filed_workq, connection_from_filed);
268 exit(1); /* to keep compiler quiet */
271 static void *director_thread(void *arg)
273 int dir_port = (int)arg;
274 pthread_detach(pthread_self());
275 bnet_thread_server(dir_port, 10, &dird_workq, connection_request);
279 /* Return a new Session Id */
280 uint32_t newVolSessionId()
291 /* Check Configuration file for necessary info */
292 static void check_config()
294 struct stat stat_buf;
297 me = (STORES *)GetNextRes(R_STORAGE, NULL);
300 Emsg1(M_ABORT, 0, _("No Storage resource defined in %s. Cannot continue.\n"),
304 my_name_is(0, (char **)NULL, me->hdr.name); /* Set our real name */
306 if (GetNextRes(R_STORAGE, (RES *)me) != NULL) {
308 Emsg1(M_ABORT, 0, _("Only one Storage resource permitted in %s\n"),
311 if (GetNextRes(R_DIRECTOR, NULL) == NULL) {
313 Emsg1(M_ABORT, 0, _("No Director resource defined in %s. Cannot continue.\n"),
316 if (GetNextRes(R_DEVICE, NULL) == NULL){
318 Emsg1(M_ABORT, 0, _("No Device resource defined in %s. Cannot continue.\n"),
324 if (!me->working_directory) {
325 Emsg1(M_ABORT, 0, _("No Working Directory defined in %s. Cannot continue.\n"),
328 if (stat(me->working_directory, &stat_buf) != 0) {
329 Emsg1(M_ABORT, 0, _("Working Directory: %s not found. Cannot continue.\n"),
330 me->working_directory);
332 if (!S_ISDIR(stat_buf.st_mode)) {
333 Emsg1(M_ABORT, 0, _("Working Directory: %s is not a directory. Cannot continue.\n"),
334 me->working_directory);
336 working_directory = me->working_directory;
339 /* Clean up and then exit */
340 void terminate_stored(int sig)
342 static int in_here = FALSE;
345 if (in_here) { /* prevent loops */
352 Dmsg0(200, "In terminate_stored()\n");
355 for (device=NULL; (device=(DEVRES *)GetNextRes(R_DEVICE, (RES *)device)); ) {
357 term_dev(device->dev);
364 free_config_resources();
366 if (debug_level > 10)
367 print_memory_pool_stats();
374 sm_dump(False); /* dump orphaned buffers */