/*
* This file handles accepting Director Commands
*
- * Most Director commands are handled here, with the
- * exception of the Job command command and subsequent
+ * Most Director commands are handled here, with the
+ * exception of the Job command command and subsequent
* subcommands that are handled
- * in job.c.
+ * in job.c.
*
* N.B. in this file, in general we must use P(dev->mutex) rather
- * than lock_device(dev) so that we can examine the blocked
- * state rather than blocking ourselves. In some "safe" cases,
- * we can do things to a blocked device. CAREFUL!!!!
+ * than lock_device(dev) so that we can examine the blocked
+ * state rather than blocking ourselves because a Job
+ * thread has the device blocked. In some "safe" cases,
+ * we can do things to a blocked device. CAREFUL!!!!
*
* File daemon commands are handled in fdcmd.c
*
* Kern Sibbald, May MMI
*
* Version $Id$
- *
+ *
*/
/*
- Copyright (C) 2000-2003 Kern Sibbald and John Walker
+ Copyright (C) 2001-2005 Kern Sibbald
This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
+ modify it under the terms of the GNU General Public License
+ version 2 as amended with additional clauses defined in the
+ file LICENSE in the main source directory.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public
- License along with this program; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ the file LICENSE for additional details.
*/
extern char my_name[];
extern time_t daemon_start_time;
extern struct s_last_job last_job;
+extern bool init_done;
/* Static variables */
-static char derrmsg[] = "3900 Invalid command\n";
-static char OKsetdebug[] = "3000 OK setdebug=%d\n";
-
+static char derrmsg[] = "3900 Invalid command\n";
+static char OKsetdebug[] = "3000 OK setdebug=%d\n";
+static char illegal_cmd[] = "3997 Illegal command for a Director with Monitor directive enabled\n";
/* Imported functions */
extern void terminate_child();
-extern int job_cmd(JCR *jcr);
+extern bool job_cmd(JCR *jcr);
+extern bool use_cmd(JCR *jcr);
+extern bool run_cmd(JCR *jcr);
+extern bool status_cmd(JCR *sjcr);
+extern bool qstatus_cmd(JCR *jcr);
+//extern bool query_cmd(JCR *jcr);
/* Forward referenced functions */
-static int label_cmd(JCR *jcr);
-static int setdebug_cmd(JCR *jcr);
-static int cancel_cmd(JCR *cjcr);
-static int mount_cmd(JCR *jcr);
-static int unmount_cmd(JCR *jcr);
-static int status_cmd(JCR *sjcr);
-static void label_volume_if_ok(JCR *jcr, DEVICE *dev, char *vname, char *poolname,
- int Slot);
-static void send_blocked_status(JCR *jcr, DEVICE *dev);
+static bool label_cmd(JCR *jcr);
+static bool relabel_cmd(JCR *jcr);
+static bool readlabel_cmd(JCR *jcr);
+static bool release_cmd(JCR *jcr);
+static bool setdebug_cmd(JCR *jcr);
+static bool cancel_cmd(JCR *cjcr);
+static bool mount_cmd(JCR *jcr);
+static bool unmount_cmd(JCR *jcr);
+static bool autochanger_cmd(JCR *sjcr);
+static bool do_label(JCR *jcr, int relabel);
+static DEVICE *find_device(JCR *jcr, POOL_MEM &dev_name, int drive);
+static void read_volume_label(JCR *jcr, DEVICE *dev, int Slot);
+static void label_volume_if_ok(JCR *jcr, DEVICE *dev, char *oldname,
+ char *newname, char *poolname,
+ int Slot, int relabel);
+static bool try_autoload_device(JCR *jcr, int slot, const char *VolName);
+static void send_dir_busy_message(BSOCK *dir, DEVICE *dev);
struct s_cmds {
- char *cmd;
- int (*func)(JCR *jcr);
+ const char *cmd;
+ bool (*func)(JCR *jcr);
+ int monitoraccess; /* specify if monitors have access to this function */
};
-/*
- * The following are the recognized commands from the Director.
+/*
+ * The following are the recognized commands from the Director.
*/
static struct s_cmds cmds[] = {
- {"JobId=", job_cmd}, /* start Job */
- {"setdebug=", setdebug_cmd}, /* set debug level */
- {"cancel", cancel_cmd},
- {"label", label_cmd}, /* label a tape */
- {"mount", mount_cmd},
- {"unmount", unmount_cmd},
- {"status", status_cmd},
- {NULL, NULL} /* list terminator */
+ {"JobId=", job_cmd, 0}, /* start Job */
+ {"autochanger", autochanger_cmd, 0},
+ {"bootstrap", bootstrap_cmd, 0},
+ {"cancel", cancel_cmd, 0},
+ {"label", label_cmd, 0}, /* label a tape */
+ {"mount", mount_cmd, 0},
+ {"readlabel", readlabel_cmd, 0},
+ {"release", release_cmd, 0},
+ {"relabel", relabel_cmd, 0}, /* relabel a tape */
+ {"setdebug=", setdebug_cmd, 0}, /* set debug level */
+ {"status", status_cmd, 1},
+ {".status", qstatus_cmd, 1},
+ {"unmount", unmount_cmd, 0},
+ {"use storage=", use_cmd, 0},
+ {"run", run_cmd, 0},
+// {"query", query_cmd, 0},
+ {NULL, NULL} /* list terminator */
};
-/*
- * Connection request. We accept connections either from the
- * Director or a Client.
- *
+/*
+ * Connection request. We accept connections either from the
+ * Director or a Client (File daemon).
+ *
* Note, we are running as a seperate thread of the Storage daemon.
* and it is because a Director has made a connection with
- * us on the "Message" channel.
+ * us on the "Message" channel.
*
- * Basic tasks done here:
+ * Basic tasks done here:
* - Create a JCR record
+ * - If it was from the FD, call handle_filed_connection()
* - Authenticate the Director
* - We wait for a command
* - We execute the command
* - We continue or exit depending on the return status
*/
-void *connection_request(void *arg)
+void *handle_connection_request(void *arg)
{
BSOCK *bs = (BSOCK *)arg;
JCR *jcr;
- int i, found, quit;
+ int i;
+ bool found, quit;
int bnet_stat = 0;
char name[MAX_NAME_LENGTH];
if (bnet_recv(bs) <= 0) {
- Emsg0(M_ERROR, 0, "Connection request failed.\n");
+ Emsg0(M_ERROR, 0, _("Connection request failed.\n"));
+ bnet_close(bs);
return NULL;
}
- /*
- * See if this is a File daemon connection
+ /*
+ * Do a sanity check on the message received
*/
- if (sscanf(bs->msg, "Hello Start Job %127s calling\n", name) == 1) {
+ if (bs->msglen < 25 || bs->msglen > (int)sizeof(name)-25) {
+ Emsg1(M_ERROR, 0, _("Invalid connection. Len=%d\n"), bs->msglen);
+ bnet_close(bs);
+ return NULL;
+ }
+ /*
+ * See if this is a File daemon connection. If so
+ * call FD handler.
+ */
+ Dmsg1(110, "Conn: %s", bs->msg);
+ if (sscanf(bs->msg, "Hello Start Job %127s", name) == 1) {
handle_filed_connection(bs, name);
return NULL;
}
-
- jcr = new_jcr(sizeof(JCR), stored_free_jcr); /* create Job Control Record */
- jcr->dir_bsock = bs; /* save Director bsock */
+
+ /*
+ * This is a connection from the Director, so setup a JCR
+ */
+ Dmsg0(110, "Start Dir Job\n");
+ jcr = new_jcr(sizeof(JCR), stored_free_jcr); /* create Job Control Record */
+ jcr->dir_bsock = bs; /* save Director bsock */
+ jcr->dir_bsock->jcr = jcr;
+ jcr->dcrs = New(alist(10, not_owned_by_alist));
+ /* Initialize FD start condition variable */
+ int errstat = pthread_cond_init(&jcr->job_start_wait, NULL);
+ if (errstat != 0) {
+ Jmsg1(jcr, M_FATAL, 0, _("Unable to init job cond variable: ERR=%s\n"), strerror(errstat));
+ goto bail_out;
+ }
Dmsg0(1000, "stored in start_job\n");
*/
if (!authenticate_director(jcr)) {
Jmsg(jcr, M_FATAL, 0, _("Unable to authenticate Director\n"));
- free_jcr(jcr);
- return NULL;
+ goto bail_out;
}
Dmsg0(90, "Message channel init completed.\n");
- for (quit=0; !quit;) {
-
+ for (quit=false; !quit;) {
/* Read command */
if ((bnet_stat = bnet_recv(bs)) <= 0) {
- break; /* connection terminated */
+ break; /* connection terminated */
+ }
+ Dmsg1(199, "<dird: %s\n", bs->msg);
+ /* Ensure that device initialization is complete */
+ while (!init_done) {
+ bmicrosleep(1, 0);
}
- Dmsg1(9, "<dird: %s\n", bs->msg);
- found = FALSE;
+ found = false;
for (i=0; cmds[i].cmd; i++) {
- if (strncmp(cmds[i].cmd, bs->msg, strlen(cmds[i].cmd)) == 0) {
- if (!cmds[i].func(jcr)) { /* do command */
- quit = TRUE; /* error, get out */
- Dmsg1(90, "Command %s requsts quit\n", cmds[i].cmd);
- }
- found = TRUE; /* indicate command found */
- break;
- }
+ if (strncmp(cmds[i].cmd, bs->msg, strlen(cmds[i].cmd)) == 0) {
+ if ((!cmds[i].monitoraccess) && (jcr->director->monitor)) {
+ Dmsg1(100, "Command %s illegal.\n", cmds[i].cmd);
+ bnet_fsend(bs, illegal_cmd);
+ bnet_sig(bs, BNET_EOD);
+ break;
+ }
+ Dmsg1(200, "Do command: %s\n", cmds[i].cmd);
+ if (!cmds[i].func(jcr)) { /* do command */
+ quit = true; /* error, get out */
+ Dmsg1(190, "Command %s requsts quit\n", cmds[i].cmd);
+ }
+ found = true; /* indicate command found */
+ break;
+ }
}
- if (!found) { /* command not found */
- bnet_fsend(bs, derrmsg);
- quit = TRUE;
- break;
+ if (!found) { /* command not found */
+ bnet_fsend(bs, derrmsg);
+ break;
}
}
- if (bnet_stat != BNET_TERMINATE) {
- bnet_sig(bs, BNET_TERMINATE);
- }
+bail_out:
+ generate_daemon_event(jcr, "JobEnd");
+ dequeue_messages(jcr); /* send any queued messages */
+ bnet_sig(bs, BNET_TERMINATE);
free_jcr(jcr);
return NULL;
}
* Set debug level as requested by the Director
*
*/
-static int setdebug_cmd(JCR *jcr)
+static bool setdebug_cmd(JCR *jcr)
{
BSOCK *dir = jcr->dir_bsock;
- int level;
+ int level, trace_flag;
Dmsg1(10, "setdebug_cmd: %s", dir->msg);
- if (sscanf(dir->msg, "setdebug=%d", &level) != 1 || level < 0) {
- bnet_fsend(dir, "3991 Bad setdebug command: %s\n", dir->msg);
+ if (sscanf(dir->msg, "setdebug=%d trace=%d", &level, &trace_flag) != 2 || level < 0) {
+ bnet_fsend(dir, _("3991 Bad setdebug command: %s\n"), dir->msg);
return 0;
}
debug_level = level;
+ set_trace(trace_flag);
return bnet_fsend(dir, OKsetdebug, level);
}
/*
* Cancel a Job
*/
-static int cancel_cmd(JCR *cjcr)
+static bool cancel_cmd(JCR *cjcr)
{
BSOCK *dir = cjcr->dir_bsock;
int oldStatus;
if (sscanf(dir->msg, "cancel Job=%127s", Job) == 1) {
if (!(jcr=get_jcr_by_full_name(Job))) {
- bnet_fsend(dir, _("3992 Job %s not found.\n"), Job);
+ bnet_fsend(dir, _("3902 Job %s not found.\n"), Job);
} else {
- P(jcr->mutex);
- oldStatus = jcr->JobStatus;
- set_jcr_job_status(jcr, JS_Cancelled);
- if (!jcr->authenticated && oldStatus == JS_WaitFD) {
- pthread_cond_signal(&jcr->job_start_wait); /* wake waiting thread */
- }
- V(jcr->mutex);
- if (jcr->file_bsock) {
- bnet_sig(jcr->file_bsock, BNET_TERMINATE);
- }
- bnet_fsend(dir, _("3000 Job %s marked to be cancelled.\n"), jcr->Job);
- free_jcr(jcr);
+ P(jcr->mutex);
+ oldStatus = jcr->JobStatus;
+ set_jcr_job_status(jcr, JS_Canceled);
+ if (!jcr->authenticated && oldStatus == JS_WaitFD) {
+ pthread_cond_signal(&jcr->job_start_wait); /* wake waiting thread */
+ }
+ V(jcr->mutex);
+ if (jcr->file_bsock) {
+ bnet_sig(jcr->file_bsock, BNET_TERMINATE);
+ }
+ /* If thread waiting on mount, wake him */
+ if (jcr->dcr && jcr->dcr->dev && jcr->dcr->dev->waiting_for_mount()) {
+ pthread_cond_signal(&jcr->dcr->dev->wait_next_vol);
+ pthread_cond_broadcast(&wait_device_release);
+ }
+ bnet_fsend(dir, _("3000 Job %s marked to be canceled.\n"), jcr->Job);
+ free_jcr(jcr);
}
} else {
- bnet_fsend(dir, _("3993 Error scanning cancel command.\n"));
+ bnet_fsend(dir, _("3903 Error scanning cancel command.\n"));
}
bnet_sig(dir, BNET_EOD);
return 1;
}
/*
- * Label a tape
+ * Label a Volume
*
*/
-static int label_cmd(JCR *jcr)
+static bool label_cmd(JCR *jcr)
{
- POOLMEM *dname, *volname, *poolname, *mtype;
+ return do_label(jcr, 0);
+}
+
+static bool relabel_cmd(JCR *jcr)
+{
+ return do_label(jcr, 1);
+}
+
+static bool do_label(JCR *jcr, int relabel)
+{
+ POOLMEM *newname, *oldname, *poolname, *mtype;
+ POOL_MEM dev_name;
BSOCK *dir = jcr->dir_bsock;
- DEVRES *device;
DEVICE *dev;
- int found = 0;
- int slot;
+ bool ok = false;
+ int slot;
+ int drive;
- dname = get_memory(dir->msglen+1);
- volname = get_memory(dir->msglen+1);
+ newname = get_memory(dir->msglen+1);
+ oldname = get_memory(dir->msglen+1);
poolname = get_memory(dir->msglen+1);
mtype = get_memory(dir->msglen+1);
- if (sscanf(dir->msg, "label %s VolumeName=%s PoolName=%s MediaType=%s Slot=%d",
- dname, volname, poolname, mtype, &slot) == 5) {
- unbash_spaces(dname);
- unbash_spaces(volname);
+ if (relabel) {
+ if (sscanf(dir->msg, "relabel %127s OldName=%127s NewName=%127s PoolName=%127s "
+ "MediaType=%127s Slot=%d drive=%d",
+ dev_name.c_str(), oldname, newname, poolname, mtype,
+ &slot, &drive) == 7) {
+ ok = true;
+ }
+ } else {
+ *oldname = 0;
+ if (sscanf(dir->msg, "label %127s VolumeName=%127s PoolName=%127s "
+ "MediaType=%127s Slot=%d drive=%d",
+ dev_name.c_str(), newname, poolname, mtype, &slot, &drive) == 6) {
+ ok = true;
+ }
+ }
+ if (ok) {
+ unbash_spaces(newname);
+ unbash_spaces(oldname);
unbash_spaces(poolname);
unbash_spaces(mtype);
- device = NULL;
- LockRes();
- while ((device=(DEVRES *)GetNextRes(R_DEVICE, (RES *)device))) {
- /* Find resource, and make sure we were able to open it */
- if (strcmp(device->hdr.name, dname) == 0 && device->dev) {
- Dmsg1(20, "Found device %s\n", device->hdr.name);
- found = 1;
- break;
- }
- }
- UnlockRes();
- if (found) {
- /******FIXME**** compare MediaTypes */
- jcr->device = device;
- dev = device->dev;
-
- P(dev->mutex); /* Use P to avoid indefinite block */
- if (!(dev->state & ST_OPENED)) {
- if (open_dev(dev, volname, READ_WRITE) < 0) {
- bnet_fsend(dir, _("3994 Connot open device: %s\n"), strerror_dev(dev));
- } else {
- label_volume_if_ok(jcr, dev, volname, poolname, slot);
- force_close_dev(dev);
- }
+ dev = find_device(jcr, dev_name, drive);
+ if (dev) {
+ P(dev->mutex); /* Use P to avoid indefinite block */
+ if (!dev->is_open()) {
+ Dmsg0(400, "Can relabel. Device is not open\n");
+ label_volume_if_ok(jcr, dev, oldname, newname, poolname, slot, relabel);
+ force_close_device(dev);
/* Under certain "safe" conditions, we can steal the lock */
- } else if (dev->dev_blocked &&
- (dev->dev_blocked == BST_UNMOUNTED ||
- dev->dev_blocked == BST_WAITING_FOR_SYSOP ||
- dev->dev_blocked == BST_UNMOUNTED_WAITING_FOR_SYSOP)) {
- label_volume_if_ok(jcr, dev, volname, poolname, slot);
- } else if (dev->state & ST_READ || dev->num_writers) {
- if (dev->state & ST_READ) {
- bnet_fsend(dir, _("3901 Device %s is busy with 1 reader.\n"),
- dev_name(dev));
- } else {
- bnet_fsend(dir, _("3902 Device %s is busy with %d writer(s).\n"),
- dev_name(dev), dev->num_writers);
- }
- } else { /* device not being used */
- label_volume_if_ok(jcr, dev, volname, poolname, slot);
- }
- V(dev->mutex);
+ } else if (dev->can_steal_lock()) {
+ Dmsg0(400, "Can relabel. can_steal_lock\n");
+ label_volume_if_ok(jcr, dev, oldname, newname, poolname, slot, relabel);
+ } else if (dev->is_busy() || dev->is_blocked()) {
+ send_dir_busy_message(dir, dev);
+ } else { /* device not being used */
+ Dmsg0(400, "Can relabel. device not used\n");
+ label_volume_if_ok(jcr, dev, oldname, newname, poolname, slot, relabel);
+ }
+ V(dev->mutex);
} else {
- bnet_fsend(dir, _("3999 Device %s not found\n"), dname);
+ bnet_fsend(dir, _("3999 Device \"%s\" not found\n"), dev_name.c_str());
}
} else {
/* NB dir->msg gets clobbered in bnet_fsend, so save command */
- strcpy(dname, dir->msg);
- bnet_fsend(dir, _("3903 Error scanning label command: %s\n"), dname);
+ pm_strcpy(jcr->errmsg, dir->msg);
+ bnet_fsend(dir, _("3903 Error scanning label command: %s\n"), jcr->errmsg);
}
- free_memory(dname);
- free_memory(volname);
+ free_memory(oldname);
+ free_memory(newname);
free_memory(poolname);
free_memory(mtype);
bnet_sig(dir, BNET_EOD);
- return 1;
+ return true;
}
-/*
+/*
* Read the tape label and determine if we can safely
* label the tape (not a Bacula volume), then label it.
*
* Enter with the mutex set
*/
-static void label_volume_if_ok(JCR *jcr, DEVICE *dev, char *vname, char *poolname,
- int slot)
+static void label_volume_if_ok(JCR *jcr, DEVICE *dev, char *oldname,
+ char *newname, char *poolname,
+ int slot, int relabel)
{
BSOCK *dir = jcr->dir_bsock;
- DEV_BLOCK *block;
bsteal_lock_t hold;
-
+ DCR *dcr = jcr->dcr;
+ int label_status;
+
+ dcr->dev = dev;
steal_device_lock(dev, &hold, BST_WRITING_LABEL);
-
- strcpy(jcr->VolumeName, vname);
- jcr->VolCatInfo.Slot = slot;
- autoload_device(jcr, dev, 0, dir); /* autoload if possible */
- block = new_block(dev);
-
- /* Ensure that the device is open -- not autoload_device() closes it */
- for ( ; !(dev->state & ST_OPENED); ) {
- if (open_dev(dev, jcr->VolumeName, READ_WRITE) < 0) {
- if (dev->dev_errno == EAGAIN || dev->dev_errno == EBUSY) {
- sleep(30);
- }
- bnet_fsend(dir, _("3903 Unable to open device %s. ERR=%s\n"),
- dev_name(dev), strerror_dev(dev));
- goto bail_out;
- }
+ Dmsg1(100, "Stole device %s lock, writing label.\n", dev->print_name());
+
+ /* Note, try_autoload_device() opens the device */
+ if (!try_autoload_device(jcr, slot, newname)) {
+ goto bail_out; /* error */
}
/* See what we have for a Volume */
- switch (read_dev_volume_label(jcr, dev, block)) {
- case VOL_NAME_ERROR:
- case VOL_VERSION_ERROR:
- case VOL_LABEL_ERROR:
- case VOL_OK:
- bnet_fsend(dir, _("3901 Cannot label Volume because it is \
-already labeled: %s\n"), dev->VolHdr.VolName);
- break;
- case VOL_IO_ERROR:
- case VOL_NO_LABEL:
- if (!write_volume_label_to_dev(jcr, jcr->device, vname, poolname)) {
- bnet_fsend(dir, _("3903 Failed to label Volume: ERR=%s\n"), strerror_dev(dev));
- break;
- }
- strcpy(jcr->VolumeName, vname);
- bnet_fsend(dir, _("3000 OK label. Volume=%s Device=%s\n"),
- vname, dev->dev_name);
- break;
- default:
- bnet_fsend(dir, _("3902 Cannot label Volume. \
-Unknown status %d from read_volume_label()\n"), jcr->label_status);
- break;
+ label_status = read_dev_volume_label(dcr);
+
+ switch(label_status) {
+ case VOL_NAME_ERROR:
+ case VOL_VERSION_ERROR:
+ case VOL_LABEL_ERROR:
+ case VOL_OK:
+ if (!relabel) {
+ bnet_fsend(dir, _(
+ "3920 Cannot label Volume because it is already labeled: \"%s\"\n"),
+ dev->VolHdr.VolumeName);
+ break;
+ }
+
+ /* Relabel request. If oldname matches, continue */
+ if (strcmp(oldname, dev->VolHdr.VolumeName) != 0) {
+ bnet_fsend(dir, _("3921 Wrong volume mounted.\n"));
+ break;
+ }
+ if (dev->label_type != B_BACULA_LABEL) {
+ bnet_fsend(dir, _("3922 Cannot relabel an ANSI/IBM labeled Volume.\n"));
+ break;
+ }
+ free_volume(dev); /* release old volume name */
+ /* Fall through wanted! */
+ case VOL_IO_ERROR:
+ case VOL_NO_LABEL:
+ if (!write_new_volume_label_to_dev(dcr, newname, poolname)) {
+ bnet_fsend(dir, _("3912 Failed to label Volume: ERR=%s\n"), strerror_dev(dev));
+ break;
+ }
+ bstrncpy(dcr->VolumeName, newname, sizeof(dcr->VolumeName));
+ /* The following 3000 OK label. string is scanned in ua_label.c */
+ bnet_fsend(dir, "3000 OK label. Volume=%s Device=%s\n",
+ newname, dev->print_name());
+ break;
+ case VOL_NO_MEDIA:
+ bnet_fsend(dir, _("3912 Failed to label Volume: ERR=%s\n"), strerror_dev(dev));
+ break;
+ default:
+ bnet_fsend(dir, _("3913 Cannot label Volume. "
+"Unknown status %d from read_volume_label()\n"), label_status);
+ break;
}
+
bail_out:
- free_block(block);
- return_device_lock(dev, &hold);
+ if (!dev->is_open()) {
+ free_volume(dev);
+ }
+ give_back_device_lock(dev, &hold);
+ return;
}
-/*
+/*
* Read the tape label
*
* Enter with the mutex set
*/
-static int read_label(JCR *jcr, DEVICE *dev)
+static bool read_label(DCR *dcr)
{
- int stat;
+ int ok;
+ JCR *jcr = dcr->jcr;
BSOCK *dir = jcr->dir_bsock;
- DEV_BLOCK *block;
-#ifndef NEW_LOCK
bsteal_lock_t hold;
-
+ DEVICE *dev = dcr->dev;
+
steal_device_lock(dev, &hold, BST_DOING_ACQUIRE);
-#endif
-
- jcr->VolumeName[0] = 0;
- block = new_block(dev);
- dev->state &= ~ST_LABEL; /* force read of label */
- switch (read_dev_volume_label(jcr, dev, block)) {
- case VOL_OK:
- bnet_fsend(dir, _("3001 Mounted Volume: %s\n"), dev->VolHdr.VolName);
- stat = 1;
- break;
- default:
- bnet_fsend(dir, _("3902 Cannot mount Volume on Storage Device \"%s\" because:\n%s\n"),
- dev->dev_name, jcr->errmsg);
- stat = 0;
- break;
+
+ dcr->VolumeName[0] = 0;
+ dev->clear_labeled(); /* force read of label */
+ switch (read_dev_volume_label(dcr)) {
+ case VOL_OK:
+ bnet_fsend(dir, _("3001 Mounted Volume: %s\n"), dev->VolHdr.VolumeName);
+ ok = true;
+ break;
+ default:
+ bnet_fsend(dir, _("3902 Cannot mount Volume on Storage Device %s because:\n%s"),
+ dev->print_name(), jcr->errmsg);
+ ok = false;
+ break;
+ }
+ give_back_device_lock(dev, &hold);
+ return ok;
+}
+
+static DEVICE *find_device(JCR *jcr, POOL_MEM &devname, int drive)
+{
+ DEVRES *device;
+ AUTOCHANGER *changer;
+ bool found = false;
+
+ unbash_spaces(devname);
+ foreach_res(device, R_DEVICE) {
+ /* Find resource, and make sure we were able to open it */
+ if (fnmatch(device->hdr.name, devname.c_str(), 0) == 0) {
+ if (!device->dev) {
+ device->dev = init_dev(jcr, device);
+ }
+ if (!device->dev) {
+ Jmsg(jcr, M_WARNING, 0, _("\n"
+ " Device \"%s\" requested by DIR could not be opened or does not exist.\n"),
+ devname.c_str());
+ continue;
+ }
+ Dmsg1(20, "Found device %s\n", device->hdr.name);
+ found = true;
+ break;
+ }
}
- free_block(block);
-#ifndef NEW_LOCK
- return_device_lock(dev, &hold);
-#endif
- return stat;
+ foreach_res(changer, R_AUTOCHANGER) {
+ /* Find resource, and make sure we were able to open it */
+ if (fnmatch(devname.c_str(), changer->hdr.name, 0) == 0) {
+ /* Try each device in this AutoChanger */
+ foreach_alist(device, changer->device) {
+ Dmsg1(100, "Try changer device %s\n", device->hdr.name);
+ if (!device->dev) {
+ device->dev = init_dev(jcr, device);
+ }
+ if (!device->dev) {
+ Dmsg1(100, "Device %s could not be opened. Skipped\n", devname.c_str());
+ Jmsg(jcr, M_WARNING, 0, _("\n"
+ " Device \"%s\" in changer \"%s\" requested by DIR could not be opened or does not exist.\n"),
+ device->hdr.name, devname.c_str());
+ continue;
+ }
+ if (!device->dev->autoselect) {
+ continue; /* device is not available */
+ }
+ if (drive < 0 || drive == (int)device->dev->drive_index) {
+ Dmsg1(20, "Found changer device %s\n", device->hdr.name);
+ found = true;
+ break;
+ }
+ }
+ break; /* we found it but could not open a device */
+ }
+ }
+
+ if (found) {
+ jcr->dcr = new_dcr(jcr, device->dev);
+ jcr->dcr->device = device;
+ return jcr->dcr->dev;
+ }
+ return NULL;
}
+
/*
* Mount command from Director
*/
-static int mount_cmd(JCR *jcr)
+static bool mount_cmd(JCR *jcr)
{
- char *dev_name;
+ POOL_MEM devname;
BSOCK *dir = jcr->dir_bsock;
- DEVRES *device;
DEVICE *dev;
- int found = 0;
-
- dev_name = (char *) get_memory(dir->msglen);
- if (sscanf(dir->msg, "mount %s", dev_name) == 1) {
- unbash_spaces(dev_name);
- device = NULL;
- LockRes();
- while ((device=(DEVRES *)GetNextRes(R_DEVICE, (RES *)device))) {
- /* Find resource, and make sure we were able to open it */
- if (strcmp(device->hdr.name, dev_name) == 0 && device->dev) {
- Dmsg1(20, "Found device %s\n", device->hdr.name);
- found = 1;
- break;
- }
- }
- UnlockRes();
- if (found) {
- jcr->device = device;
- dev = device->dev;
- P(dev->mutex); /* Use P to avoid indefinite block */
- switch (dev->dev_blocked) { /* device blocked? */
- DEV_BLOCK *block;
- case BST_WAITING_FOR_SYSOP:
- /* Someone is waiting, wake him */
- Dmsg0(90, "Waiting for mount attempt to wake thread\n");
- pthread_cond_signal(&dev->wait_next_vol);
- bnet_fsend(dir, "3001 OK mount. Device=%s\n", dev->dev_name);
- break;
-
- case BST_UNMOUNTED_WAITING_FOR_SYSOP:
- case BST_UNMOUNTED:
- /* We freed the device, so reopen it and wake any waiting threads */
- if (open_dev(dev, NULL, READ_WRITE) < 0) {
- bnet_fsend(dir, _("3901 open device failed: ERR=%s\n"),
- strerror_dev(dev));
- break;
- }
- block = new_block(dev);
- read_dev_volume_label(jcr, dev, block);
- free_block(block);
- if (dev->dev_blocked == BST_UNMOUNTED) {
- Dmsg0(90, "Unmounted unblocking device\n");
- read_label(jcr, dev);
- unblock_device(dev);
- } else {
- Dmsg0(90, "Unmounted waiting for mount attempt to wake thread\n");
- dev->dev_blocked = BST_WAITING_FOR_SYSOP;
- pthread_cond_signal(&dev->wait_next_vol);
- }
- if (dev->state & ST_LABEL) {
- bnet_fsend(dir, _("3001 Device %s is mounted with Volume %s\n"),
- dev->dev_name, dev->VolHdr.VolName);
- } else {
+ DCR *dcr;
+ int drive;
+
+ if (sscanf(dir->msg, "mount %127s drive=%d", devname.c_str(), &drive) == 2) {
+ dev = find_device(jcr, devname, drive);
+ dcr = jcr->dcr;
+ if (dev) {
+ P(dev->mutex); /* Use P to avoid indefinite block */
+ switch (dev->dev_blocked) { /* device blocked? */
+ case BST_WAITING_FOR_SYSOP:
+ /* Someone is waiting, wake him */
+ Dmsg0(100, "Waiting for mount. Attempting to wake thread\n");
+ dev->dev_blocked = BST_MOUNT;
+ bnet_fsend(dir, "3001 OK mount. Device=%s\n",
+ dev->print_name());
+ pthread_cond_broadcast(&dev->wait_next_vol);
+ pthread_cond_broadcast(&wait_device_release);
+ break;
+
+ /* In both of these two cases, we (the user) unmounted the Volume */
+ case BST_UNMOUNTED_WAITING_FOR_SYSOP:
+ case BST_UNMOUNTED:
+ /* We freed the device, so reopen it and wake any waiting threads */
+ if (dev->open(dcr, OPEN_READ_WRITE) < 0) {
+ bnet_fsend(dir, _("3901 open device failed: ERR=%s\n"),
+ strerror_dev(dev));
+ break;
+ }
+ read_dev_volume_label(dcr);
+ if (dev->dev_blocked == BST_UNMOUNTED) {
+ /* We blocked the device, so unblock it */
+ Dmsg0(100, "Unmounted. Unblocking device\n");
+ read_label(dcr); /* this should not be necessary */
+ unblock_device(dev);
+ } else {
+ Dmsg0(100, "Unmounted waiting for mount. Attempting to wake thread\n");
+ dev->dev_blocked = BST_MOUNT;
+ }
+ if (dev->is_labeled()) {
+ bnet_fsend(dir, _("3001 Device %s is mounted with Volume \"%s\"\n"),
+ dev->print_name(), dev->VolHdr.VolumeName);
+ } else {
+ bnet_fsend(dir, _("3905 Device %s open but no Bacula volume is mounted.\n"
+ "If this is not a blank tape, try unmounting and remounting the Volume.\n"),
+ dev->print_name());
+ }
+ pthread_cond_broadcast(&dev->wait_next_vol);
+ pthread_cond_broadcast(&wait_device_release);
+ break;
+
+ case BST_DOING_ACQUIRE:
+ bnet_fsend(dir, _("3001 Device %s is doing acquire.\n"),
+ dev->print_name());
+ break;
+
+ case BST_WRITING_LABEL:
+ bnet_fsend(dir, _("3903 Device %s is being labeled.\n"),
+ dev->print_name());
+ break;
+
+ case BST_NOT_BLOCKED:
+ if (dev->is_open()) {
+ if (dev->is_labeled()) {
+ bnet_fsend(dir, _("3001 Device %s is mounted with Volume \"%s\"\n"),
+ dev->print_name(), dev->VolHdr.VolumeName);
+ } else {
bnet_fsend(dir, _("3905 Device %s open but no Bacula volume is mounted.\n"
- "Try unmounting and remounting the Volume.\n"),
- dev->dev_name);
- }
- break;
-
- case BST_DOING_ACQUIRE:
- bnet_fsend(dir, _("3001 Device %s is mounted; doing acquire.\n"),
- dev->dev_name);
- break;
-
- case BST_WRITING_LABEL:
- bnet_fsend(dir, _("3903 Device %s is being labeled.\n"), dev->dev_name);
- break;
-
- case BST_NOT_BLOCKED:
- if (dev->state & ST_OPENED) {
- if (dev->state & ST_LABEL) {
- bnet_fsend(dir, _("3001 Device %s is mounted with Volume %s\n"),
- dev->dev_name, dev->VolHdr.VolName);
- } else {
- bnet_fsend(dir, _("3905 Device %s open but no Bacula volume is mounted.\n"
- "Try unmounting and remounting the Volume.\n"),
- dev->dev_name);
- }
- } else {
- if (!dev_is_tape(dev)) {
- bnet_fsend(dir, _("3906 cannot mount non-tape.\n"));
- break;
- }
- if (open_dev(dev, NULL, READ_WRITE) < 0) {
- bnet_fsend(dir, _("3901 open device failed: ERR=%s\n"),
- strerror_dev(dev));
- break;
- }
- read_label(jcr, dev);
- if (dev->state & ST_LABEL) {
- bnet_fsend(dir, _("3001 Device %s is mounted with Volume %s\n"),
- dev->dev_name, dev->VolHdr.VolName);
- } else {
- bnet_fsend(dir, _("3905 Device %s open but no Bacula volume is mounted.\n"
- "Try unmounting and remounting the Volume.\n"),
- dev->dev_name);
- }
- }
- break;
-
- default:
- bnet_fsend(dir, _("3905 Bizarre wait state %d\n"), dev->dev_blocked);
- break;
- }
- V(dev->mutex);
+ "If this is not a blank tape, try unmounting and remounting the Volume.\n"),
+ dev->print_name());
+ }
+ } else if (dev->is_tape()) {
+ if (dev->open(dcr, OPEN_READ_WRITE) < 0) {
+ bnet_fsend(dir, _("3901 open device failed: ERR=%s\n"),
+ strerror_dev(dev));
+ break;
+ }
+ read_label(dcr);
+ if (dev->is_labeled()) {
+ bnet_fsend(dir, _("3001 Device %s is already mounted with Volume \"%s\"\n"),
+ dev->print_name(), dev->VolHdr.VolumeName);
+ } else {
+ bnet_fsend(dir, _("3905 Device %s open but no Bacula volume is mounted.\n"
+ "If this is not a blank tape, try unmounting and remounting the Volume.\n"),
+ dev->print_name());
+ }
+ } else if (dev->is_dvd()) {
+ if (mount_dev(dev, 1)) {
+ bnet_fsend(dir, _("3002 Device %s is mounted.\n"),
+ dev->print_name());
+ } else {
+ bnet_fsend(dir, _("3907 %s"), strerror_dev(dev));
+ }
+ } else { /* must be file */
+ bnet_fsend(dir, _("3906 File device %s is always mounted.\n"),
+ dev->print_name());
+ }
+ break;
+
+ default:
+ bnet_fsend(dir, _("3905 Bizarre wait state %d\n"), dev->dev_blocked);
+ break;
+ }
+ V(dev->mutex);
} else {
- bnet_fsend(dir, _("3999 Device %s not found\n"), dev_name);
+ bnet_fsend(dir, _("3999 Device \"%s\" not found\n"), devname.c_str());
}
} else {
- strcpy(dev_name, dir->msg);
- bnet_fsend(dir, _("3906 Error scanning mount command: %s\n"), dev_name);
+ pm_strcpy(jcr->errmsg, dir->msg);
+ bnet_fsend(dir, _("3909 Error scanning mount command: %s\n"), jcr->errmsg);
}
- free_memory(dev_name);
bnet_sig(dir, BNET_EOD);
- return 1;
+ return true;
}
/*
* unmount command from Director
*/
-static int unmount_cmd(JCR *jcr)
+static bool unmount_cmd(JCR *jcr)
{
- char *dname;
+ POOL_MEM devname;
BSOCK *dir = jcr->dir_bsock;
- DEVRES *device;
DEVICE *dev;
- int found = 0;
-
- dname = (char *) get_memory(dir->msglen+1);
- if (sscanf(dir->msg, "unmount %s", dname) == 1) {
- unbash_spaces(dname);
- device = NULL;
- LockRes();
- while ((device=(DEVRES *)GetNextRes(R_DEVICE, (RES *)device))) {
- /* Find resource, and make sure we were able to open it */
- if (strcmp(device->hdr.name, dname) == 0 && device->dev) {
- Dmsg1(20, "Found device %s\n", device->hdr.name);
- found = 1;
- break;
- }
- }
- UnlockRes();
- if (found) {
- jcr->device = device;
- dev = device->dev;
- P(dev->mutex); /* Use P to avoid indefinite block */
- if (!(dev->state & ST_OPENED)) {
+ int drive;
+
+ if (sscanf(dir->msg, "unmount %127s drive=%d", devname.c_str(), &drive) == 2) {
+ dev = find_device(jcr, devname, drive);
+ if (dev) {
+ P(dev->mutex); /* Use P to avoid indefinite block */
+ if (!dev->is_open()) {
Dmsg0(90, "Device already unmounted\n");
- bnet_fsend(dir, _("3901 Device %s is already unmounted.\n"), dev_name(dev));
+ bnet_fsend(dir, _("3901 Device %s is already unmounted.\n"),
+ dev->print_name());
- } else if (dev->dev_blocked == BST_WAITING_FOR_SYSOP) {
+ } else if (dev->dev_blocked == BST_WAITING_FOR_SYSOP) {
Dmsg2(90, "%d waiter dev_block=%d. doing unmount\n", dev->num_waiting,
- dev->dev_blocked);
- if (dev_cap(dev, CAP_OFFLINEUNMOUNT)) {
- offline_dev(dev);
- }
- force_close_dev(dev);
- dev->dev_blocked = BST_UNMOUNTED_WAITING_FOR_SYSOP;
- bnet_fsend(dir, _("3001 Device %s unmounted.\n"), dev_name(dev));
-
- } else if (dev->dev_blocked == BST_DOING_ACQUIRE) {
- bnet_fsend(dir, _("3902 Device %s is busy in acquire.\n"),
- dev_name(dev));
-
- } else if (dev->dev_blocked == BST_WRITING_LABEL) {
- bnet_fsend(dir, _("3903 Device %s is being labeled.\n"),
- dev_name(dev));
-
- } else if (dev->state & ST_READ || dev->num_writers) {
- if (dev->state & ST_READ) {
- Dmsg0(90, "Device in read mode\n");
- bnet_fsend(dir, _("3904 Device %s is busy with 1 reader.\n"),
- dev_name(dev));
- } else {
- Dmsg1(90, "Device busy with %d writers\n", dev->num_writers);
- bnet_fsend(dir, _("3905 Device %s is busy with %d writer(s).\n"),
- dev_name(dev), dev->num_writers);
- }
-
- } else { /* device not being used */
+ dev->dev_blocked);
+ offline_or_rewind_dev(dev);
+ force_close_device(dev);
+ dev->dev_blocked = BST_UNMOUNTED_WAITING_FOR_SYSOP;
+ bnet_fsend(dir, _("3001 Device %s unmounted.\n"),
+ dev->print_name());
+
+ } else if (dev->dev_blocked == BST_DOING_ACQUIRE) {
+ bnet_fsend(dir, _("3902 Device %s is busy in acquire.\n"),
+ dev->print_name());
+
+ } else if (dev->dev_blocked == BST_WRITING_LABEL) {
+ bnet_fsend(dir, _("3903 Device %s is being labeled.\n"),
+ dev->print_name());
+
+ } else if (dev->is_busy()) {
+ send_dir_busy_message(dir, dev);
+ } else { /* device not being used */
Dmsg0(90, "Device not in use, unmounting\n");
- block_device(dev, BST_UNMOUNTED);
- if (dev_cap(dev, CAP_OFFLINEUNMOUNT)) {
- offline_dev(dev);
- }
- force_close_dev(dev);
- bnet_fsend(dir, _("3002 Device %s unmounted.\n"), dev_name(dev));
- }
- V(dev->mutex);
+ /* On FreeBSD, I am having ASSERT() failures in block_device()
+ * and I can only imagine that the thread id that we are
+ * leaving in no_wait_id is being re-used. So here,
+ * we simply do it by hand. Gross, but a solution.
+ */
+ /* block_device(dev, BST_UNMOUNTED); replace with 2 lines below */
+ dev->dev_blocked = BST_UNMOUNTED;
+ dev->no_wait_id = 0;
+ offline_or_rewind_dev(dev);
+ force_close_device(dev);
+ bnet_fsend(dir, _("3002 Device %s unmounted.\n"),
+ dev->print_name());
+ }
+ V(dev->mutex);
} else {
- bnet_fsend(dir, _("3999 Device %s not found\n"), dname);
+ bnet_fsend(dir, _("3999 Device \"%s\" not found\n"), devname.c_str());
}
} else {
/* NB dir->msg gets clobbered in bnet_fsend, so save command */
- strcpy(dname, dir->msg);
- bnet_fsend(dir, _("3907 Error scanning unmount command: %s\n"), dname);
+ pm_strcpy(jcr->errmsg, dir->msg);
+ bnet_fsend(dir, _("3907 Error scanning unmount command: %s\n"), jcr->errmsg);
}
- free_memory(dname);
bnet_sig(dir, BNET_EOD);
- return 1;
+ return true;
}
/*
- * Status command from Director
+ * Release command from Director. This rewinds the device and if
+ * configured does a offline and ensures that Bacula will
+ * re-read the label of the tape before continuing. This gives
+ * the operator the chance to change the tape anytime before the
+ * next job starts.
*/
-static int status_cmd(JCR *jcr)
+static bool release_cmd(JCR *jcr)
{
- DEVRES *device;
+ POOL_MEM devname;
+ BSOCK *dir = jcr->dir_bsock;
DEVICE *dev;
- int found, bps, sec, bpb;
- BSOCK *user = jcr->dir_bsock;
- char dt[MAX_TIME_LENGTH];
- char b1[30], b2[30], b3[30];
-
- bnet_fsend(user, "\n%s Version: " VERSION " (" BDATE ")\n", my_name);
- bstrftime(dt, sizeof(dt), daemon_start_time);
- bnet_fsend(user, _("Daemon started %s, %d Job%s run.\n"), dt, last_job.NumJobs,
- last_job.NumJobs == 1 ? "" : "s");
- if (last_job.NumJobs > 0) {
- char termstat[30];
-
- bstrftime(dt, sizeof(dt), last_job.end_time);
- bnet_fsend(user, _("Last Job %s finished at %s\n"), last_job.Job, dt);
-
- jobstatus_to_ascii(last_job.JobStatus, termstat, sizeof(termstat));
- bnet_fsend(user, _(" Files=%s Bytes=%s Termination Status=%s\n"),
- edit_uint64_with_commas(last_job.JobFiles, b1),
- edit_uint64_with_commas(last_job.JobBytes, b2),
- termstat);
- }
+ int drive;
+
+ if (sscanf(dir->msg, "release %127s drive=%d", devname.c_str(), &drive) == 2) {
+ dev = find_device(jcr, devname, drive);
+ if (dev) {
+ P(dev->mutex); /* Use P to avoid indefinite block */
+ if (!dev->is_open()) {
+ Dmsg0(90, "Device already released\n");
+ bnet_fsend(dir, _("3911 Device %s already released.\n"),
+ dev->print_name());
+
+ } else if (dev->dev_blocked == BST_WAITING_FOR_SYSOP ||
+ dev->dev_blocked == BST_UNMOUNTED_WAITING_FOR_SYSOP) {
+ Dmsg2(90, "%d waiter dev_block=%d. doing unmount\n", dev->num_waiting,
+ dev->dev_blocked);
+ bnet_fsend(dir, _("3912 Device %s waiting for mount.\n"),
+ dev->print_name());
+
+ } else if (dev->dev_blocked == BST_DOING_ACQUIRE) {
+ bnet_fsend(dir, _("3913 Device %s is busy in acquire.\n"),
+ dev->print_name());
- LockRes();
- for (device=NULL; (device=(DEVRES *)GetNextRes(R_DEVICE, (RES *)device)); ) {
- for (dev=device->dev; dev; dev=dev->next) {
- if (dev->state & ST_OPENED) {
- if (dev->state & ST_LABEL) {
- bnet_fsend(user, _("Device %s is mounted with Volume %s\n"),
- dev_name(dev), dev->VolHdr.VolName);
- } else {
- bnet_fsend(user, _("Device %s open but no Bacula volume is mounted.\n"), dev_name(dev));
- }
- send_blocked_status(jcr, dev);
- bpb = dev->VolCatInfo.VolCatBlocks;
- if (bpb <= 0) {
- bpb = 1;
- }
- bpb = dev->VolCatInfo.VolCatBytes / bpb;
- bnet_fsend(user, _(" Total Bytes=%s Blocks=%s Bytes/block=%s\n"),
- edit_uint64_with_commas(dev->VolCatInfo.VolCatBytes, b1),
- edit_uint64_with_commas(dev->VolCatInfo.VolCatBlocks, b2),
- edit_uint64_with_commas(bpb, b3));
- bnet_fsend(user, _(" Positioned at File=%s Block=%s\n"),
- edit_uint64_with_commas(dev->file, b1),
- edit_uint64_with_commas(dev->block_num, b2));
-
- } else {
- bnet_fsend(user, _("Device %s is not open.\n"), dev_name(dev));
- send_blocked_status(jcr, dev);
- }
+ } else if (dev->dev_blocked == BST_WRITING_LABEL) {
+ bnet_fsend(dir, _("3914 Device %s is being labeled.\n"),
+ dev->print_name());
+
+ } else if (dev->is_busy()) {
+ send_dir_busy_message(dir, dev);
+ } else { /* device not being used */
+ Dmsg0(90, "Device not in use, unmounting\n");
+ release_volume(jcr->dcr);
+ bnet_fsend(dir, _("3012 Device %s released.\n"),
+ dev->print_name());
+ }
+ V(dev->mutex);
+ } else {
+ bnet_fsend(dir, _("3999 Device \"%s\" not found\n"), devname.c_str());
}
+ } else {
+ /* NB dir->msg gets clobbered in bnet_fsend, so save command */
+ pm_strcpy(jcr->errmsg, dir->msg);
+ bnet_fsend(dir, _("3917 Error scanning release command: %s\n"), jcr->errmsg);
+ }
+ bnet_sig(dir, BNET_EOD);
+ return true;
+}
+
+
+
+/*
+ * Autochanger command from Director
+ */
+static bool autochanger_cmd(JCR *jcr)
+{
+ POOL_MEM devname;
+ BSOCK *dir = jcr->dir_bsock;
+ DEVICE *dev;
+ DCR *dcr;
+ const char *cmd = NULL;
+ bool ok = false;
+
+ if (sscanf(dir->msg, "autochanger list %127s ", devname.c_str()) == 1) {
+ cmd = "list";
+ ok = true;
+ } else if (sscanf(dir->msg, "autochanger slots %127s ", devname.c_str()) == 1) {
+ cmd = "slots";
+ ok = true;
}
- UnlockRes();
-
- found = 0;
- lock_jcr_chain();
- /* NOTE, we reuse a calling argument jcr. Be warned! */
- for (jcr=NULL; (jcr=get_next_jcr(jcr)); ) {
- if (jcr->JobStatus == JS_WaitFD) {
- bnet_fsend(user, _("%s Job %s waiting for Client connection.\n"),
- job_type_to_str(jcr->JobType), jcr->Job);
+ if (ok) {
+ dev = find_device(jcr, devname, -1);
+ dcr = jcr->dcr;
+ if (dev) {
+ P(dev->mutex); /* Use P to avoid indefinite block */
+ if (!dev->is_tape()) {
+ bnet_fsend(dir, _("3995 Device %s is not an autochanger.\n"),
+ dev->print_name());
+ /* Under certain "safe" conditions, we can steal the lock */
+ } else if (!dev->is_open() || dev->can_steal_lock()) {
+ autochanger_cmd(dcr, dir, cmd);
+ } else if (dev->is_busy() || dev->is_blocked()) {
+ send_dir_busy_message(dir, dev);
+ } else { /* device not being used */
+ autochanger_cmd(dcr, dir, cmd);
+ }
+ V(dev->mutex);
+ } else {
+ bnet_fsend(dir, _("3999 Device \"%s\" not found\n"), devname.c_str());
}
- if (jcr->device) {
- bnet_fsend(user, _("%s %s job %s is using device %s volume %s\n"),
- job_level_to_str(jcr->JobLevel),
- job_type_to_str(jcr->JobType),
- jcr->Job, jcr->device->device_name,
- jcr->VolumeName);
- sec = time(NULL) - jcr->run_time;
- if (sec <= 0) {
- sec = 1;
- }
- bps = jcr->JobBytes / sec;
- bnet_fsend(user, _(" Files=%s Bytes=%s Bytes/sec=%s\n"),
- edit_uint64_with_commas(jcr->JobFiles, b1),
- edit_uint64_with_commas(jcr->JobBytes, b2),
- edit_uint64_with_commas(bps, b3));
- found = 1;
-#ifdef DEBUG
- if (jcr->file_bsock) {
- bnet_fsend(user, " FDReadSeqNo=%" lld " fd=%d\n",
- jcr->file_bsock->read_seqno, jcr->file_bsock->fd);
- } else {
- bnet_fsend(user, " FDSocket closed\n");
- }
-#endif
+ } else { /* error on scanf */
+ pm_strcpy(jcr->errmsg, dir->msg);
+ bnet_fsend(dir, _("3908 Error scanning autocharger list/slots command: %s\n"),
+ jcr->errmsg);
+ }
+ bnet_sig(dir, BNET_EOD);
+ return true;
+}
+
+/*
+ * Read and return the Volume label
+ */
+static bool readlabel_cmd(JCR *jcr)
+{
+ POOL_MEM devname;
+ BSOCK *dir = jcr->dir_bsock;
+ DEVICE *dev;
+ int Slot;
+ int drive;
+
+ if (sscanf(dir->msg, "readlabel %127s Slot=%d drive=%d", devname.c_str(),
+ &Slot, &drive) == 3) {
+ dev = find_device(jcr, devname, drive);
+ if (dev) {
+ P(dev->mutex); /* Use P to avoid indefinite block */
+ if (!dev->is_open()) {
+ read_volume_label(jcr, dev, Slot);
+ force_close_device(dev);
+ /* Under certain "safe" conditions, we can steal the lock */
+ } else if (dev->can_steal_lock()) {
+ read_volume_label(jcr, dev, Slot);
+ } else if (dev->is_busy() || dev->is_blocked()) {
+ send_dir_busy_message(dir, dev);
+ } else { /* device not being used */
+ read_volume_label(jcr, dev, Slot);
+ }
+ V(dev->mutex);
+ } else {
+ bnet_fsend(dir, _("3999 Device \"%s\" not found\n"), devname.c_str());
}
- free_locked_jcr(jcr);
+ } else {
+ pm_strcpy(jcr->errmsg, dir->msg);
+ bnet_fsend(dir, _("3909 Error scanning readlabel command: %s\n"), jcr->errmsg);
}
- unlock_jcr_chain();
- if (!found) {
- bnet_fsend(user, _("No jobs running.\n"));
+ bnet_sig(dir, BNET_EOD);
+ return true;
+}
+
+/*
+ * Read the tape label
+ *
+ * Enter with the mutex set
+ */
+static void read_volume_label(JCR *jcr, DEVICE *dev, int Slot)
+{
+ BSOCK *dir = jcr->dir_bsock;
+ bsteal_lock_t hold;
+ DCR *dcr = jcr->dcr;
+
+ dcr->dev = dev;
+ steal_device_lock(dev, &hold, BST_WRITING_LABEL);
+
+ if (!try_autoload_device(jcr, Slot, "")) {
+ goto bail_out; /* error */
}
-#ifdef full_status
- bnet_fsend(user, "\n\n");
- dump_resource(R_DEVICE, resources[R_DEVICE-r_first].res_head, sendit, user);
-#endif
- bnet_fsend(user, "====\n");
+ dev->clear_labeled(); /* force read of label */
+ switch (read_dev_volume_label(dcr)) {
+ case VOL_OK:
+ /* DO NOT add quotes around the Volume name. It is scanned in the DIR */
+ bnet_fsend(dir, _("3001 Volume=%s Slot=%d\n"), dev->VolHdr.VolumeName, Slot);
+ Dmsg1(100, "Volume: %s\n", dev->VolHdr.VolumeName);
+ break;
+ default:
+ bnet_fsend(dir, _("3902 Cannot mount Volume on Storage Device %s because:\n%s"),
+ dev->print_name(), jcr->errmsg);
+ break;
+ }
- bnet_sig(user, BNET_EOD);
- return 1;
+bail_out:
+ give_back_device_lock(dev, &hold);
+ return;
+}
+
+static bool try_autoload_device(JCR *jcr, int slot, const char *VolName)
+{
+ DCR *dcr = jcr->dcr;
+ BSOCK *dir = jcr->dir_bsock;
+ DEVICE *dev = dcr->dev;
+
+ bstrncpy(dcr->VolumeName, VolName, sizeof(dcr->VolumeName));
+ dcr->VolCatInfo.Slot = slot;
+ dcr->VolCatInfo.InChanger = slot > 0;
+ if (autoload_device(dcr, 0, dir) < 0) { /* autoload if possible */
+ return false;
+ }
+
+ /* Ensure that the device is open -- autoload_device() closes it */
+ if (dev->open(dcr, OPEN_READ_WRITE) < 0) {
+ bnet_fsend(dir, _("3910 Unable to open device %s: ERR=%s\n"),
+ dev->print_name(), dev->strerror());
+ return false;
+ }
+ return true;
}
-static void send_blocked_status(JCR *jcr, DEVICE *dev)
+static void send_dir_busy_message(BSOCK *dir, DEVICE *dev)
{
- BSOCK *user = jcr->dir_bsock;
-
- switch (dev->dev_blocked) {
- case BST_UNMOUNTED:
- bnet_fsend(user, _(" Device is BLOCKED. User unmounted.\n"));
- break;
- case BST_UNMOUNTED_WAITING_FOR_SYSOP:
- bnet_fsend(user, _(" Device is BLOCKED. User unmounted during wait for media/mount.\n"));
- break;
- case BST_WAITING_FOR_SYSOP:
- if (jcr->JobStatus == JS_WaitMount) {
- bnet_fsend(user, _(" Device is BLOCKED waiting for mount.\n"));
- } else {
- bnet_fsend(user, _(" Device is BLOCKED waiting for appendable media.\n"));
- }
- break;
- case BST_DOING_ACQUIRE:
- bnet_fsend(user, _(" Device is being initialized.\n"));
- break;
- case BST_WRITING_LABEL:
- bnet_fsend(user, _(" Device is blocked labeling a Volume.\n"));
- break;
- default:
- break;
+ if (dev->can_read()) {
+ bnet_fsend(dir, _("3911 Device %s is busy reading.\n"),
+ dev->print_name());;
+ } else {
+ bnet_fsend(dir, _("3912 Device %s is busy with %d writer(s).\n"),
+ dev->print_name(), dev->num_writers);
}
}
projects / bacula / bacula / blobdiff