2 * Manipulation routines for Job Control Records
4 * Kern E. Sibbald, December 2000
8 * These routines are thread safe.
12 Copyright (C) 2000, 2001, 2002 Kern Sibbald and John Walker
14 This program is free software; you can redistribute it and/or
15 modify it under the terms of the GNU General Public License as
16 published by the Free Software Foundation; either version 2 of
17 the License, or (at your option) any later version.
19 This program is distributed in the hope that it will be useful,
20 but WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 General Public License for more details.
24 You should have received a copy of the GNU General Public
25 License along with this program; if not, write to the Free
26 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
34 struct s_last_job last_job; /* last job run by this daemon */
36 static JCR *jobs = NULL; /* pointer to JCR chain */
37 static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
40 * Create a Job Control Record and link it into JCR chain
41 * Returns newly allocated JCR
42 * Note, since each daemon has a different JCR, he passes
45 JCR *new_jcr(int size, JCR_free_HANDLER *daemon_free_jcr)
49 Dmsg0(200, "Enter new_jcr\n");
50 jcr = (JCR *) malloc(size);
52 jcr->my_thread_id = pthread_self();
54 jcr->sched_time = time(NULL);
55 jcr->daemon_free_jcr = daemon_free_jcr; /* plug daemon free routine */
62 pthread_mutex_init(&(jcr->mutex), NULL);
63 jcr->JobStatus = JS_Created; /* ready to run */
64 jcr->VolumeName = get_pool_memory(PM_FNAME);
65 jcr->VolumeName[0] = 0;
66 jcr->errmsg = get_pool_memory(PM_MESSAGE);
75 * Remove a JCR from the chain
76 * NOTE! The chain must be locked prior to calling
79 static void remove_jcr(JCR *jcr)
81 Dmsg0(150, "Enter remove_jcr\n");
83 Emsg0(M_ABORT, 0, "NULL jcr.\n");
85 if (!jcr->prev) { /* if no prev */
86 jobs = jcr->next; /* set new head */
88 jcr->prev->next = jcr->next; /* update prev */
91 jcr->next->prev = jcr->prev;
93 Dmsg0(150, "Leave remove_jcr\n");
97 * Free stuff common to all JCRs
99 static void free_common_jcr(JCR *jcr)
101 /* Keep some statistics */
102 switch (jcr->JobType) {
107 last_job.JobType = jcr->JobType;
108 last_job.JobId = jcr->JobId;
109 last_job.VolSessionId = jcr->VolSessionId;
110 last_job.VolSessionTime = jcr->VolSessionTime;
111 strcpy(last_job.Job, jcr->Job);
112 last_job.JobFiles = jcr->JobFiles;
113 last_job.JobBytes = jcr->JobBytes;
114 last_job.JobStatus = jcr->JobStatus;
115 last_job.start_time = jcr->start_time;
116 last_job.end_time = time(NULL);
121 pthread_mutex_destroy(&jcr->mutex);
123 close_msg(jcr); /* close messages for this job */
125 /* do this after closing messages */
126 if (jcr->client_name) {
127 free(jcr->client_name);
128 jcr->client_name = NULL;
131 if (jcr->sd_auth_key) {
132 Dmsg0(200, "Free JCR sd_auth_key\n");
133 free(jcr->sd_auth_key);
134 jcr->sd_auth_key = NULL;
136 if (jcr->VolumeName) {
137 free_pool_memory(jcr->VolumeName);
138 jcr->VolumeName = NULL;
141 if (jcr->dir_bsock) {
142 bnet_close(jcr->dir_bsock);
143 jcr->dir_bsock = NULL;
146 free_pool_memory(jcr->errmsg);
153 * Global routine to free a jcr
155 void free_jcr(JCR *jcr)
157 Dmsg0(200, "Enter free_jcr\n");
159 jcr->use_count--; /* decrement use count */
160 Dmsg1(200, "Decrement jcr use_count=%d\n", jcr->use_count);
161 if (jcr->use_count > 0) { /* if in use */
163 Dmsg1(200, "jcr use_count=%d\n", jcr->use_count);
168 jcr->daemon_free_jcr(jcr); /* call daemon free routine */
169 free_common_jcr(jcr);
170 Dmsg0(200, "Exit free_jcr\n");
175 * Global routine to free a jcr
176 * JCR chain is already locked
178 void free_locked_jcr(JCR *jcr)
180 jcr->use_count--; /* decrement use count */
181 Dmsg1(200, "Decrement jcr use_count=%d\n", jcr->use_count);
182 if (jcr->use_count > 0) { /* if in use */
186 jcr->daemon_free_jcr(jcr); /* call daemon free routine */
187 free_common_jcr(jcr);
194 * Given a JobId, find the JCR
195 * Returns: jcr on success
198 JCR *get_jcr_by_id(uint32_t JobId)
203 for (jcr = jobs; jcr; jcr=jcr->next) {
204 if (jcr->JobId == JobId) {
206 Dmsg1(200, "Increment jcr use_count=%d\n", jcr->use_count);
217 * Given a Job, find the JCR
218 * compares on the number of characters in Job
219 * thus allowing partial matches.
220 * Returns: jcr on success
223 JCR *get_jcr_by_partial_name(char *Job)
230 for (jcr = jobs; jcr; jcr=jcr->next) {
231 if (strncmp(Job, jcr->Job, len) == 0) {
233 Dmsg1(200, "Increment jcr use_count=%d\n", jcr->use_count);
243 * Given a Job, find the JCR
244 * requires an exact match of names.
245 * Returns: jcr on success
248 JCR *get_jcr_by_full_name(char *Job)
253 for (jcr = jobs; jcr; jcr=jcr->next) {
254 if (strcmp(jcr->Job, Job) == 0) {
256 Dmsg1(200, "Increment jcr use_count=%d\n", jcr->use_count);
267 void lock_jcr_chain()
275 void unlock_jcr_chain()
281 JCR *get_next_jcr(JCR *jcr)
292 Dmsg1(200, "Increment jcr use_count=%d\n", rjcr->use_count);