2 * Job control and execution for Storage Daemon
8 Copyright (C) 2000-2003 Kern Sibbald and John Walker
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2 of
13 the License, or (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public
21 License along with this program; if not, write to the Free
22 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
30 /* Imported variables */
31 extern uint32_t VolSessionTime;
33 /* Imported functions */
34 extern uint32_t newVolSessionId();
36 /* Forward referenced functions */
37 static int use_device_cmd(JCR *jcr);
39 /* Requests from the Director daemon */
40 static char jobcmd[] = "JobId=%d job=%127s job_name=%127s client_name=%127s "
41 "type=%d level=%d FileSet=%127s NoAttr=%d SpoolAttr=%d FileSetMD5=%127s "
43 static char use_device[] = "use device=%s media_type=%s pool_name=%s pool_type=%s\n";
45 /* Responses sent to Director daemon */
46 static char OKjob[] = "3000 OK Job SDid=%u SDtime=%u Authorization=%s\n";
47 static char OK_device[] = "3000 OK use device\n";
48 static char NO_device[] = "3914 Device \"%s\" not in SD Device resources.\n";
49 static char BAD_use[] = "3913 Bad use command: %s\n";
50 static char BAD_job[] = "3915 Bad Job command: %s\n";
55 * Director requests us to start a job
56 * Basic tasks done here:
57 * - We pickup the JobId to be run from the Director.
58 * - We pickup the device, media, and pool from the Director
59 * - Wait for a connection from the File Daemon (FD)
60 * - Accept commands from the FD (i.e. run the job)
61 * - Return when the connection is terminated or
68 BSOCK *dir = jcr->dir_bsock;
69 POOLMEM *job_name, *client_name, *job, *fileset_name, *fileset_md5;
70 int JobType, level, spool_attributes, no_attributes, spool_data;
73 struct timespec timeout;
77 * Get JobId and permissions from Director
80 Dmsg1(100, "Job_cmd: %s\n", dir->msg);
81 job = get_memory(dir->msglen);
82 job_name = get_memory(dir->msglen);
83 client_name = get_memory(dir->msglen);
84 fileset_name = get_memory(dir->msglen);
85 fileset_md5 = get_memory(dir->msglen);
86 if (sscanf(dir->msg, jobcmd, &JobId, job, job_name, client_name,
87 &JobType, &level, fileset_name, &no_attributes,
88 &spool_attributes, fileset_md5, &spool_data) != 11) {
89 pm_strcpy(&jcr->errmsg, dir->msg);
90 bnet_fsend(dir, BAD_job, jcr->errmsg);
91 Emsg1(M_FATAL, 0, _("Bad Job Command from Director: %s\n"), jcr->errmsg);
93 free_memory(job_name);
94 free_memory(client_name);
95 free_memory(fileset_name);
96 free_memory(fileset_md5);
97 set_jcr_job_status(jcr, JS_ErrorTerminated);
101 * Since this job could be rescheduled, we
102 * check to see if we have it already. If so
103 * free the old jcr and use the new one.
105 ojcr = get_jcr_by_full_name(job);
106 if (ojcr && !ojcr->authenticated) {
107 Dmsg2(100, "Found ojcr=0x%x Job %s\n", (unsigned)(long)ojcr, job);
111 jcr->VolSessionId = newVolSessionId();
112 jcr->VolSessionTime = VolSessionTime;
113 bstrncpy(jcr->Job, job, sizeof(jcr->Job));
114 unbash_spaces(job_name);
115 jcr->job_name = get_pool_memory(PM_NAME);
116 pm_strcpy(&jcr->job_name, job_name);
117 unbash_spaces(client_name);
118 jcr->client_name = get_pool_memory(PM_NAME);
119 pm_strcpy(&jcr->client_name, client_name);
120 unbash_spaces(fileset_name);
121 jcr->fileset_name = get_pool_memory(PM_NAME);
122 pm_strcpy(&jcr->fileset_name, fileset_name);
123 jcr->JobType = JobType;
124 jcr->JobLevel = level;
125 jcr->no_attributes = no_attributes;
126 jcr->spool_attributes = spool_attributes;
127 jcr->spool_data = spool_data;
128 jcr->fileset_md5 = get_pool_memory(PM_NAME);
129 pm_strcpy(&jcr->fileset_md5, fileset_md5);
131 free_memory(job_name);
132 free_memory(client_name);
133 free_memory(fileset_name);
134 free_memory(fileset_md5);
136 /* Initialize FD start condition variable */
137 if ((errstat = pthread_cond_init(&jcr->job_start_wait, NULL)) != 0) {
138 Jmsg1(jcr, M_FATAL, 0, _("Unable to init job cond variable: ERR=%s\n"), strerror(errstat));
139 set_jcr_job_status(jcr, JS_ErrorTerminated);
142 jcr->authenticated = FALSE;
145 * Pass back an authorization key for the File daemon
147 make_session_key(auth_key, NULL, 1);
148 bnet_fsend(dir, OKjob, jcr->VolSessionId, jcr->VolSessionTime, auth_key);
149 Dmsg1(110, ">dird: %s", dir->msg);
150 jcr->sd_auth_key = bstrdup(auth_key);
151 memset(auth_key, 0, sizeof(auth_key));
154 * Wait for the device, media, and pool information
156 if (!use_device_cmd(jcr)) {
157 set_jcr_job_status(jcr, JS_ErrorTerminated);
158 memset(jcr->sd_auth_key, 0, strlen(jcr->sd_auth_key));
162 set_jcr_job_status(jcr, JS_WaitFD); /* wait for FD to connect */
163 dir_send_job_status(jcr);
165 gettimeofday(&tv, &tz);
166 timeout.tv_nsec = tv.tv_usec * 1000;
167 timeout.tv_sec = tv.tv_sec + 30 * 60; /* wait 30 minutes */
170 Dmsg1(100, "%s waiting on FD to contact SD\n", jcr->Job);
172 * Wait for the File daemon to contact us to start the Job,
173 * when he does, we will be released, unless the 30 minutes
177 for ( ;!job_canceled(jcr); ) {
178 errstat = pthread_cond_timedwait(&jcr->job_start_wait, &jcr->mutex, &timeout);
179 if (errstat == 0 || errstat == ETIMEDOUT) {
185 memset(jcr->sd_auth_key, 0, strlen(jcr->sd_auth_key));
187 if (jcr->authenticated && !job_canceled(jcr)) {
188 Dmsg1(100, "Running job %s\n", jcr->Job);
189 run_job(jcr); /* Run the job */
195 * After receiving a connection (in job.c) if it is
196 * from the File daemon, this routine is called.
198 void handle_filed_connection(BSOCK *fd, char *job_name)
202 bmicrosleep(0, 50000); /* wait 50 millisecs */
203 if (!(jcr=get_jcr_by_full_name(job_name))) {
204 Jmsg1(NULL, M_FATAL, 0, _("Job name not found: %s\n"), job_name);
208 jcr->file_bsock = fd;
209 jcr->file_bsock->jcr = jcr;
211 Dmsg1(110, "Found Job %s\n", job_name);
213 if (jcr->authenticated) {
214 Pmsg2(000, "Hey!!!! JobId %u Job %s already authenticated.\n",
215 jcr->JobId, jcr->Job);
219 * Authenticate the File daemon
221 if (jcr->authenticated || !authenticate_filed(jcr)) {
222 Dmsg1(100, "Authentication failed Job %s\n", jcr->Job);
223 Jmsg(jcr, M_FATAL, 0, _("Unable to authenticate File daemon\n"));
225 jcr->authenticated = TRUE;
226 Dmsg1(110, "OK Authentication Job %s\n", jcr->Job);
230 if (!jcr->authenticated) {
231 set_jcr_job_status(jcr, JS_ErrorTerminated);
233 pthread_cond_signal(&jcr->job_start_wait); /* wake waiting job */
241 * Use Device command from Director
242 * He tells is what Device Name to use, the Media Type,
243 * the Pool Name, and the Pool Type.
245 * Ensure that the device exists and is opened, then store
246 * the media and pool info in the JCR.
248 static int use_device_cmd(JCR *jcr)
250 POOLMEM *dev_name, *media_type, *pool_name, *pool_type;
251 BSOCK *dir = jcr->dir_bsock;
254 if (bnet_recv(dir) <= 0) {
255 Jmsg0(jcr, M_FATAL, 0, _("No Device from Director\n"));
259 Dmsg1(120, "Use device: %s", dir->msg);
260 dev_name = get_memory(dir->msglen);
261 media_type = get_memory(dir->msglen);
262 pool_name = get_memory(dir->msglen);
263 pool_type = get_memory(dir->msglen);
264 if (sscanf(dir->msg, use_device, dev_name, media_type, pool_name, pool_type) == 4) {
265 unbash_spaces(dev_name);
266 unbash_spaces(media_type);
267 unbash_spaces(pool_name);
268 unbash_spaces(pool_type);
271 while ((device=(DEVRES *)GetNextRes(R_DEVICE, (RES *)device))) {
272 /* Find resource, and make sure we were able to open it */
273 if (strcmp(device->hdr.name, dev_name) == 0 && device->dev) {
274 Dmsg1(120, "Found device %s\n", device->hdr.name);
275 jcr->pool_name = get_memory(strlen(pool_name) + 1);
276 strcpy(jcr->pool_name, pool_name);
277 jcr->pool_type = get_memory(strlen(pool_type) + 1);
278 strcpy(jcr->pool_type, pool_type);
279 jcr->media_type = get_memory(strlen(media_type) + 1);
280 strcpy(jcr->media_type, media_type);
281 jcr->dev_name = get_memory(strlen(dev_name) + 1);
282 strcpy(jcr->dev_name, dev_name);
283 jcr->device = device;
284 Dmsg4(120, use_device, dev_name, media_type, pool_name, pool_type);
285 free_memory(dev_name);
286 free_memory(media_type);
287 free_memory(pool_name);
288 free_memory(pool_type);
290 return bnet_fsend(dir, OK_device);
295 unbash_spaces(dir->msg);
296 pm_strcpy(&jcr->errmsg, dir->msg);
297 Jmsg(jcr, M_INFO, 0, _("Failed command: %s\n"), jcr->errmsg);
299 Jmsg(jcr, M_FATAL, 0, _("\n"
300 " Device \"%s\" requested by Dir not found in SD Device resources.\n"),
302 bnet_fsend(dir, NO_device, dev_name);
304 unbash_spaces(dir->msg);
305 pm_strcpy(&jcr->errmsg, dir->msg);
307 Jmsg(jcr, M_INFO, 0, _("Failed command: %s\n"), jcr->errmsg);
309 Jmsg(jcr, M_FATAL, 0, _("Bad Use Device command: %s\n"), jcr->errmsg);
310 bnet_fsend(dir, BAD_use, jcr->errmsg);
313 free_memory(dev_name);
314 free_memory(media_type);
315 free_memory(pool_name);
316 free_memory(pool_type);
317 return 0; /* ERROR return */
321 * Destroy the Job Control Record and associated
322 * resources (sockets).
324 void stored_free_jcr(JCR *jcr)
326 if (jcr->file_bsock) {
327 bnet_close(jcr->file_bsock);
328 jcr->file_bsock = NULL;
330 if (jcr->pool_name) {
331 free_memory(jcr->pool_name);
333 if (jcr->pool_type) {
334 free_memory(jcr->pool_type);
336 if (jcr->media_type) {
337 free_memory(jcr->media_type);
340 free_memory(jcr->dev_name);
343 free_pool_memory(jcr->job_name);
345 if (jcr->client_name) {
346 free_memory(jcr->client_name);
347 jcr->client_name = NULL;
349 if (jcr->fileset_name) {
350 free_memory(jcr->fileset_name);
352 if (jcr->fileset_md5) {
353 free_memory(jcr->fileset_md5);
359 if (jcr->RestoreBootstrap) {
360 unlink(jcr->RestoreBootstrap);
361 free_pool_memory(jcr->RestoreBootstrap);
362 jcr->RestoreBootstrap = NULL;
364 if (jcr->next_dev && jcr->prev_dev) {
365 Emsg0(M_FATAL, 0, _("In free_jcr(), but still attached to device!!!!\n"));
367 pthread_cond_destroy(&jcr->job_start_wait);