+/*
+ Bacula® - The Network Backup Solution
+
+ Copyright (C) 2001-2007 Free Software Foundation Europe e.V.
+
+ The main author of Bacula is Kern Sibbald, with contributions from
+ many others, a complete list can be found in the file AUTHORS.
+ This program is Free Software; you can redistribute it and/or
+ modify it under the terms of version two of the GNU General Public
+ License as published by the Free Software Foundation plus additions
+ that are listed in the file LICENSE.
+
+ 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+
+ Bacula® is a registered trademark of John Walker.
+ The licensor of Bacula is the Free Software Foundation Europe
+ (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+ Switzerland, email:ftf@fsfeurope.org.
+*/
/*
* 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 dev->r_lock() 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) 2000-2004 Kern Sibbald and John Walker
-
- 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.
-
- 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.
-
+ *
*/
#include "bacula.h"
extern BSOCK *filed_chan;
extern int r_first, r_last;
extern struct s_res resources[];
-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 invalid_cmd[] = "3997 Invalid command for a Director with Monitor directive enabled.\n";
/* Imported functions */
extern void terminate_child();
-extern int job_cmd(JCR *jcr);
-extern int status_cmd(JCR *sjcr);
+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 relabel_cmd(JCR *jcr);
-static int readlabel_cmd(JCR *jcr);
-static int release_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 autochanger_cmd(JCR *sjcr);
-static int do_label(JCR *jcr, int relabel);
-static bool find_device(JCR *jcr, char *dname);
+static bool label_cmd(JCR *jcr);
+static bool die_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 bootstrap_cmd(JCR *jcr);
+static bool changer_cmd(JCR *sjcr);
+static bool do_label(JCR *jcr, int relabel);
+static DCR *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 void label_volume_if_ok(DCR *dcr, 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 */
- {"relabel", relabel_cmd}, /* relabel a tape */
- {"mount", mount_cmd},
- {"unmount", unmount_cmd},
- {"status", status_cmd},
- {"autochanger", autochanger_cmd},
- {"release", release_cmd},
- {"readlabel", readlabel_cmd},
- {NULL, NULL} /* list terminator */
+ {"JobId=", job_cmd, 0}, /* start Job */
+ {"autochanger", changer_cmd, 0},
+ {"bootstrap", bootstrap_cmd, 0},
+ {"cancel", cancel_cmd, 0},
+ {".die", die_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
+/*
+ * 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 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 bnet_stat = 0;
char name[MAX_NAME_LENGTH];
- if (bnet_recv(bs) <= 0) {
+ if (bs->recv() <= 0) {
Emsg0(M_ERROR, 0, _("Connection request failed.\n"));
+ bnet_close(bs);
return NULL;
}
- /*
+ /*
* Do a sanity check on the message received
*/
if (bs->msglen < 25 || bs->msglen > (int)sizeof(name)-25) {
- Emsg1(M_ERROR, 0, _("Invalid Dir connection. Len=%d\n"), bs->msglen);
+ 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.
+ * call FD handler.
*/
- if (sscanf(bs->msg, "Hello Start Job %127s calling\n", name) == 1) {
+ Dmsg1(110, "Conn: %s", bs->msg);
+ if (sscanf(bs->msg, "Hello Start Job %127s", name) == 1) {
+ Dmsg0(110, "Got a FD connection\n");
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 */
- jcr->dir_bsock->jcr = jcr;
+
+ /*
+ * This is a connection from the Director, so setup a JCR
+ */
+ Dmsg0(110, "Got a DIR connection\n");
+ jcr = new_jcr(sizeof(JCR), stored_free_jcr); /* create Job Control Record */
+ jcr->dir_bsock = bs; /* save Director bsock */
+ jcr->dir_bsock->set_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 */
+ if ((bnet_stat = bs->recv()) <= 0) {
+ 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;
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\" is invalid.\n", cmds[i].cmd);
+ bnet_fsend(bs, invalid_cmd);
+ bs->signal(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 reqeusts 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;
}
}
+bail_out:
+ generate_daemon_event(jcr, "JobEnd");
+ dequeue_messages(jcr); /* send any queued messages */
bnet_sig(bs, BNET_TERMINATE);
free_jcr(jcr);
return NULL;
}
+
+/*
+ * Force SD to die, and hopefully dump itself. Turned on only
+ * in development version.
+ */
+static bool die_cmd(JCR *jcr)
+{
+#ifdef DEVELOPER
+ JCR *djcr = NULL;
+ int a;
+ Pmsg0(000, "I have been requested to die ...");
+ a = djcr->JobId; /* ref NULL pointer */
+#endif
+ return 0;
+}
+
+
+
/*
* 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, trace_flag;
Dmsg1(10, "setdebug_cmd: %s", 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);
+ bnet_fsend(dir, _("3991 Bad setdebug command: %s\n"), dir->msg);
return 0;
}
debug_level = 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, _("3904 Job %s not found.\n"), Job);
} else {
- 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->device && jcr->device->dev &&
- (jcr->device->dev->dev_blocked == BST_WAITING_FOR_SYSOP ||
- jcr->device->dev->dev_blocked == BST_UNMOUNTED ||
- jcr->device->dev->dev_blocked == BST_UNMOUNTED_WAITING_FOR_SYSOP)) {
- pthread_cond_signal(&jcr->device->dev->wait_next_vol);
- }
+ jcr->lock();
+ 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 */
+ }
+ jcr->unlock();
+ 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_broadcast(&jcr->dcr->dev->wait_next_vol);
+ pthread_cond_broadcast(&wait_device_release);
+ }
+ if (jcr->read_dcr && jcr->read_dcr->dev && jcr->read_dcr->dev->waiting_for_mount()) {
+ pthread_cond_broadcast(&jcr->read_dcr->dev->wait_next_vol);
+ pthread_cond_broadcast(&wait_device_release);
+ }
+ Jmsg(jcr, M_INFO, 0, _("Job %s marked to be canceled.\n"), jcr->Job);
bnet_fsend(dir, _("3000 Job %s marked to be canceled.\n"), jcr->Job);
- free_jcr(jcr);
+ 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)
{
return do_label(jcr, 0);
}
-static int relabel_cmd(JCR *jcr)
+static bool relabel_cmd(JCR *jcr)
{
return do_label(jcr, 1);
}
-static int do_label(JCR *jcr, int relabel)
+static bool do_label(JCR *jcr, int relabel)
{
- POOLMEM *dname, *newname, *oldname, *poolname, *mtype;
+ POOLMEM *newname, *oldname, *poolname, *mtype;
+ POOL_MEM dev_name;
BSOCK *dir = jcr->dir_bsock;
+ DCR *dcr;
DEVICE *dev;
bool ok = false;
- int slot;
+ int slot;
+ int drive;
- dname = 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 (relabel) {
- if (sscanf(dir->msg, "relabel %s OldName=%s NewName=%s PoolName=%s MediaType=%s Slot=%d",
- dname, oldname, newname, poolname, mtype, &slot) == 6) {
- ok = true;
+ 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 %s VolumeName=%s PoolName=%s MediaType=%s Slot=%d",
- dname, newname, poolname, mtype, &slot) == 5) {
- ok = true;
+ 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(oldname);
unbash_spaces(poolname);
unbash_spaces(mtype);
- if (find_device(jcr, dname)) {
- /******FIXME**** compare MediaTypes */
- dev = jcr->device->dev;
-
- P(dev->mutex); /* Use P to avoid indefinite block */
- if (!(dev->state & ST_OPENED)) {
- label_volume_if_ok(jcr, dev, oldname, newname, poolname, slot, relabel);
- force_close_dev(dev);
+ dcr = find_device(jcr, dev_name, drive);
+ if (dcr) {
+ dev = dcr->dev;
+ dev->dlock(); /* Use P to avoid indefinite block */
+ if (!dev->is_open()) {
+ Dmsg1(400, "Can %slabel. Device is not open\n", relabel?"re":"");
+ label_volume_if_ok(dcr, oldname, newname, poolname, slot, relabel);
+ dev->close();
/* 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, oldname, newname, poolname, slot, relabel);
- } else if (dev_state(dev, ST_READ) || dev->num_writers) {
- if (dev_state(dev, ST_READ)) {
- bnet_fsend(dir, _("3911 Device %s is busy with 1 reader.\n"),
- dev_name(dev));
- } else {
- bnet_fsend(dir, _("3912 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, oldname, newname, poolname, slot, relabel);
- }
- V(dev->mutex);
+ } else if (dev->can_steal_lock()) {
+ Dmsg0(400, "Can relabel. can_steal_lock\n");
+ label_volume_if_ok(dcr, 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(dcr, oldname, newname, poolname, slot, relabel);
+ }
+ dev->dunlock();
+ free_dcr(dcr);
+ jcr->dcr = NULL;
} else {
- bnet_fsend(dir, _("3999 Device %s not found\n"), dname);
+ bnet_fsend(dir, _("3999 Device \"%s\" not found or could not be opened.\n"), dev_name.c_str());
}
} else {
/* NB dir->msg gets clobbered in bnet_fsend, so save command */
- pm_strcpy(&jcr->errmsg, dir->msg);
+ pm_strcpy(jcr->errmsg, dir->msg);
bnet_fsend(dir, _("3903 Error scanning label command: %s\n"), jcr->errmsg);
}
- free_memory(dname);
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 *oldname,
- char *newname, char *poolname,
- int slot, int relabel)
+static void label_volume_if_ok(DCR *dcr, char *oldname,
+ char *newname, char *poolname,
+ int slot, int relabel)
{
- BSOCK *dir = jcr->dir_bsock;
- DEV_BLOCK *block;
+ BSOCK *dir = dcr->jcr->dir_bsock;
bsteal_lock_t hold;
-
+ DEVICE *dev = dcr->dev;
+ int label_status;
+ int mode;
+ const char *volname = (relabel == 1) ? oldname : newname;
+ char ed1[50];
+
steal_device_lock(dev, &hold, BST_WRITING_LABEL);
- block = new_block(dev);
-
- pm_strcpy(&jcr->VolumeName, newname);
- jcr->VolCatInfo.Slot = slot;
- if (autoload_device(jcr, dev, 0, dir) < 0) { /* autoload if possible */
- goto bail_out;
+ Dmsg1(100, "Stole device %s lock, writing label.\n", dev->print_name());
+
+
+ Dmsg0(90, "try_autoload_device - looking for volume_info\n");
+ if (!try_autoload_device(dcr->jcr, slot, volname)) {
+ goto bail_out; /* error */
}
/* Ensure that the device is open -- autoload_device() closes it */
- for ( ; !(dev->state & ST_OPENED); ) {
- if (open_dev(dev, jcr->VolumeName, OPEN_READ_WRITE) < 0) {
- bnet_fsend(dir, _("3910 Unable to open device %s. ERR=%s\n"),
- dev_name(dev), strerror_dev(dev));
- goto bail_out;
- }
+ if (dev->is_tape()) {
+ mode = OPEN_READ_WRITE;
+ } else {
+ mode = CREATE_READ_WRITE;
+ }
+
+ if (relabel) {
+ dev->truncating = true; /* let open() know we will truncate it */
+ }
+ /* Set old volume name for open if relabeling */
+ bstrncpy(dcr->VolCatInfo.VolCatName, volname, sizeof(dcr->VolCatInfo.VolCatName));
+ if (dev->open(dcr, mode) < 0) {
+ bnet_fsend(dir, _("3910 Unable to open device %s: ERR=%s\n"),
+ dev->print_name(), dev->strerror());
+ goto bail_out;
}
/* See what we have for a Volume */
- switch (read_dev_volume_label(jcr, dev, block)) {
+ label_status = read_dev_volume_label(dcr);
+
+ /* Set new volume name */
+ bstrncpy(dcr->VolCatInfo.VolCatName, newname, sizeof(dcr->VolCatInfo.VolCatName));
+ switch(label_status) {
case VOL_NAME_ERROR:
case VOL_VERSION_ERROR:
case VOL_LABEL_ERROR:
case VOL_OK:
if (!relabel) {
- bnet_fsend(dir, _(
- "3911 Cannot label Volume because it is already labeled: \"%s\"\n"),
- dev->VolHdr.VolName);
- break;
+ 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.VolName) != 0) {
- bnet_fsend(dir, _("Wrong volume mounted.\n"));
- break;
+ 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;
}
/* Fall through wanted! */
case VOL_IO_ERROR:
case VOL_NO_LABEL:
- if (!write_volume_label_to_dev(jcr, jcr->device, newname, poolname)) {
- bnet_fsend(dir, _("3912 Failed to label Volume: ERR=%s\n"), strerror_dev(dev));
- break;
+ if (!write_new_volume_label_to_dev(dcr, newname, poolname,
+ relabel, true /* write dvd now */)) {
+ bnet_fsend(dir, _("3912 Failed to label Volume: ERR=%s\n"), dev->bstrerror());
+ break;
}
- pm_strcpy(&jcr->VolumeName, newname);
- bnet_fsend(dir, _("3000 OK label. Volume=%s Device=%s\n"),
- newname, dev_name(dev));
+ 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. VolBytes=%s DVD=%d Volume=\"%s\" Device=%s\n",
+ edit_uint64(dev->VolCatInfo.VolCatBytes, ed1),
+ dev->is_dvd()?1:0, newname, dev->print_name());
break;
case VOL_NO_MEDIA:
- bnet_fsend(dir, _("3912 Failed to label Volume: ERR=%s\n"), strerror_dev(dev));
+ bnet_fsend(dir, _("3914 Failed to label Volume (no media): ERR=%s\n"), dev->bstrerror());
break;
default:
- bnet_fsend(dir, _("3913 Cannot label Volume. \
-Unknown status %d from read_volume_label()\n"), jcr->label_status);
+ bnet_fsend(dir, _("3913 Cannot label Volume. "
+"Unknown status %d from read_volume_label()\n"), label_status);
break;
}
+
bail_out:
- free_block(block);
+ if (!dev->is_open()) {
+ dev->clear_volhdr();
+ }
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;
bsteal_lock_t hold;
-
+ DEVICE *dev = dcr->dev;
+
steal_device_lock(dev, &hold, BST_DOING_ACQUIRE);
-
- jcr->VolumeName[0] = 0;
- block = new_block(dev);
- dev->state &= ~ST_LABEL; /* force read of label */
- switch (read_dev_volume_label(jcr, dev, block)) {
+
+ 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.VolName);
- stat = 1;
+ 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_name(dev), jcr->errmsg);
- stat = 0;
+ bnet_fsend(dir, _("3902 Cannot mount Volume on Storage Device %s because:\n%s"),
+ dev->print_name(), jcr->errmsg);
+ ok = false;
break;
}
- free_block(block);
give_back_device_lock(dev, &hold);
- return stat;
+ return ok;
}
-static bool find_device(JCR *jcr, char *dname)
+/*
+ * Searches for device by name, and if found, creates a dcr and
+ * returns it.
+ */
+static DCR *find_device(JCR *jcr, POOL_MEM &devname, int drive)
{
- DEVRES *device = NULL;
+ DEVRES *device;
+ AUTOCHANGER *changer;
bool found = false;
+ DCR *dcr = NULL;
- unbash_spaces(dname);
- LockRes();
- while ((device=(DEVRES *)GetNextRes(R_DEVICE, (RES *)device))) {
+ unbash_spaces(devname);
+ foreach_res(device, R_DEVICE) {
/* Find resource, and make sure we were able to open it */
- if (strcmp(device->hdr.name, dname) == 0 && device->dev) {
+ 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);
- jcr->device = device;
- found = true;
- break;
+ found = true;
+ break;
+ }
+ }
+ if (!found) {
+ 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) {
+ Dmsg1(100, "Device %s not autoselect skipped.\n", devname.c_str());
+ 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;
+ }
+ Dmsg3(100, "Device %s drive wrong: want=%d got=%d skipping\n",
+ devname.c_str(), drive, (int)device->dev->drive_index);
+ }
+ break; /* we found it but could not open a device */
+ }
}
}
+
if (found) {
- jcr->dcr = new_dcr(jcr, device->dev);
+ Dmsg1(100, "Found device %s\n", device->hdr.name);
+ dcr = new_dcr(jcr, device->dev);
+ dcr->device = device;
+ jcr->dcr = dcr;
}
- UnlockRes();
- return found;
+ return dcr;
}
/*
* Mount command from Director
*/
-static int mount_cmd(JCR *jcr)
+static bool mount_cmd(JCR *jcr)
{
- POOLMEM *dname;
+ POOL_MEM devname;
BSOCK *dir = jcr->dir_bsock;
DEVICE *dev;
-
- dname = get_memory(dir->msglen+1);
- if (sscanf(dir->msg, "mount %s", dname) == 1) {
- if (find_device(jcr, dname)) {
- DEV_BLOCK *block;
- dev = jcr->device->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 */
+ DCR *dcr;
+ int drive;
+ int slot = 0;
+ bool ok;
+
+ ok = sscanf(dir->msg, "mount %127s drive=%d slot=%d", devname.c_str(),
+ &drive, &slot) == 3;
+ if (!ok) {
+ ok = sscanf(dir->msg, "mount %127s drive=%d", devname.c_str(), &drive) == 2;
+ }
+ if (ok) {
+ dcr = find_device(jcr, devname, drive);
+ if (dcr) {
+ dev = dcr->dev;
+ dev->dlock(); /* Use P to avoid indefinite block */
+ Dmsg1(100, "mount cmd blocked=%d\n", dev->blocked());
+ switch (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_name(dev));
- pthread_cond_signal(&dev->wait_next_vol);
- 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 (open_dev(dev, NULL, OPEN_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) {
- /* We blocked the device, so unblock it */
+ dev->set_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:
+ if (dev->is_autochanger() && slot > 0) {
+ try_autoload_device(jcr, slot, "");
+ }
+ /* We freed the device, so reopen it and wake any waiting threads */
+ if (dev->open(dcr, OPEN_READ_ONLY) < 0) {
+ bnet_fsend(dir, _("3901 open device failed: ERR=%s\n"),
+ dev->bstrerror());
+ if (dev->blocked() == BST_UNMOUNTED) {
+ /* We blocked the device, so unblock it */
+ Dmsg0(100, "Unmounted. Unblocking device\n");
+ unblock_device(dev);
+ }
+ break;
+ }
+ read_dev_volume_label(dcr);
+ if (dev->blocked() == BST_UNMOUNTED) {
+ /* We blocked the device, so unblock it */
Dmsg0(100, "Unmounted. Unblocking device\n");
- read_label(jcr, dev); /* this should not be necessary */
- unblock_device(dev);
- } else {
+ 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_state(dev, ST_LABEL)) {
- bnet_fsend(dir, _("3001 Device %s is mounted with Volume \"%s\"\n"),
- dev_name(dev), dev->VolHdr.VolName);
- } else {
+ dev->set_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_name(dev));
- }
- pthread_cond_signal(&dev->wait_next_vol);
- break;
-
- case BST_DOING_ACQUIRE:
- bnet_fsend(dir, _("3001 Device %s is mounted; doing acquire.\n"),
- dev_name(dev));
- break;
-
- case BST_WRITING_LABEL:
- bnet_fsend(dir, _("3903 Device %s is being labeled.\n"), dev_name(dev));
- break;
-
- case BST_NOT_BLOCKED:
- if (dev_state(dev, ST_OPENED)) {
- if (dev_state(dev, ST_LABEL)) {
+ 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_autochanger() && slot > 0) {
+ try_autoload_device(jcr, slot, "");
+ }
+ if (dev->is_open()) {
+ if (dev->is_labeled()) {
bnet_fsend(dir, _("3001 Device %s is mounted with Volume \"%s\"\n"),
- dev_name(dev), dev->VolHdr.VolName);
- } else {
- bnet_fsend(dir, _("3905 Device %s open but no Bacula volume is mounted.\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_name(dev));
- }
- } else {
- if (!dev_is_tape(dev)) {
- bnet_fsend(dir, _("3906 cannot mount non-tape.\n"));
- break;
- }
- if (open_dev(dev, NULL, OPEN_READ_WRITE) < 0) {
- bnet_fsend(dir, _("3901 open device failed: ERR=%s\n"),
- strerror_dev(dev));
- break;
- }
- read_label(jcr, dev);
- if (dev_state(dev, ST_LABEL)) {
- bnet_fsend(dir, _("3001 Device %s is already mounted with Volume \"%s\"\n"),
- dev_name(dev), dev->VolHdr.VolName);
- } else {
+ dev->print_name());
+ }
+ } else if (dev->is_tape()) {
+ if (dev->open(dcr, OPEN_READ_ONLY) < 0) {
+ bnet_fsend(dir, _("3901 open device failed: ERR=%s\n"),
+ dev->bstrerror());
+ 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_name(dev));
- }
- }
- break;
-
- default:
- bnet_fsend(dir, _("3905 Bizarre wait state %d\n"), dev->dev_blocked);
- break;
- }
- V(dev->mutex);
+ dev->print_name());
+ }
+ } else if (dev->is_dvd()) {
+ if (dev->mount(1)) {
+ bnet_fsend(dir, _("3002 Device %s is mounted.\n"),
+ dev->print_name());
+ } else {
+ bnet_fsend(dir, _("3907 %s"), dev->bstrerror());
+ }
+ } 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->blocked());
+ break;
+ }
+ dev->dunlock();
+ free_dcr(dcr);
+ jcr->dcr = NULL;
} else {
- bnet_fsend(dir, _("3999 Device %s not found\n"), dname);
+ bnet_fsend(dir, _("3999 Device \"%s\" not found or could not be opened.\n"), devname.c_str());
}
} else {
- pm_strcpy(&jcr->errmsg, dir->msg);
+ pm_strcpy(jcr->errmsg, dir->msg);
bnet_fsend(dir, _("3909 Error scanning mount command: %s\n"), jcr->errmsg);
}
- free_memory(dname);
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)
{
- POOLMEM *dname;
+ POOL_MEM devname;
BSOCK *dir = jcr->dir_bsock;
DEVICE *dev;
-
- dname = get_memory(dir->msglen+1);
- if (sscanf(dir->msg, "unmount %s", dname) == 1) {
- if (find_device(jcr, dname)) {
- dev = jcr->device->dev;
- P(dev->mutex); /* Use P to avoid indefinite block */
- if (!(dev->state & ST_OPENED)) {
- Dmsg0(90, "Device already unmounted\n");
- bnet_fsend(dir, _("3901 Device \"%s\" is already unmounted.\n"), dev_name(dev));
-
- } else if (dev->dev_blocked == BST_WAITING_FOR_SYSOP) {
+ DCR *dcr;
+ int drive;
+
+ if (sscanf(dir->msg, "unmount %127s drive=%d", devname.c_str(), &drive) == 2) {
+ dcr = find_device(jcr, devname, drive);
+ if (dcr) {
+ dev = dcr->dev;
+ dev->dlock(); /* Use P to avoid indefinite block */
+ if (!dev->is_open()) {
+ if (!dev->is_busy()) {
+ unload_autochanger(dcr, -1);
+ }
+ if (dev->is_dvd()) {
+ if (dev->unmount(0)) {
+ bnet_fsend(dir, _("3002 Device %s unmounted.\n"),
+ dev->print_name());
+ } else {
+ bnet_fsend(dir, _("3907 %s"), dev->bstrerror());
+ }
+ } else {
+ Dmsg0(90, "Device already unmounted\n");
+ bnet_fsend(dir, _("3901 Device %s is already unmounted.\n"),
+ dev->print_name());
+ }
+ } else if (dev->blocked() == BST_WAITING_FOR_SYSOP) {
Dmsg2(90, "%d waiter dev_block=%d. doing unmount\n", dev->num_waiting,
- dev->dev_blocked);
- open_dev(dev, NULL, 0); /* fake open for close */
- offline_or_rewind_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(dev, ST_READ) || dev->num_writers) {
- if (dev_state(dev, ST_READ)) {
- Dmsg0(90, "Device in read mode\n");
- bnet_fsend(dir, _("3904 Device \"%s\" is busy reading.\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->blocked());
+ if (!unload_autochanger(dcr, -1)) {
+ /* ***FIXME**** what is this ???? */
+ dev->close();
+ }
+ if (dev->is_dvd() && !dev->unmount(0)) {
+ bnet_fsend(dir, _("3907 %s"), dev->bstrerror());
+ } else {
+ dev->set_blocked(BST_UNMOUNTED_WAITING_FOR_SYSOP);
+ bnet_fsend(dir, _("3001 Device %s unmounted.\n"),
+ dev->print_name());
+ }
+
+ } else if (dev->blocked() == BST_DOING_ACQUIRE) {
+ bnet_fsend(dir, _("3902 Device %s is busy in acquire.\n"),
+ dev->print_name());
+
+ } else if (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");
- /* 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;
- open_dev(dev, NULL, 0); /* fake open for close */
- offline_or_rewind_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->set_blocked(BST_UNMOUNTED);
+ dev->no_wait_id = 0;
+ if (!unload_autochanger(dcr, -1)) {
+ dev->close();
+ }
+ if (dev->is_dvd() && !dev->unmount(0)) {
+ bnet_fsend(dir, _("3907 %s"), dev->bstrerror());
+ } else {
+ bnet_fsend(dir, _("3002 Device %s unmounted.\n"),
+ dev->print_name());
+ }
+ }
+ dev->dunlock();
+ free_dcr(dcr);
+ jcr->dcr = NULL;
} else {
- bnet_fsend(dir, _("3999 Device %s not found\n"), dname);
+ bnet_fsend(dir, _("3999 Device \"%s\" not found or could not be opened.\n"), devname.c_str());
}
} else {
/* NB dir->msg gets clobbered in bnet_fsend, so save command */
- pm_strcpy(&jcr->errmsg, dir->msg);
+ 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;
}
/*
* the operator the chance to change the tape anytime before the
* next job starts.
*/
-static int release_cmd(JCR *jcr)
+static bool release_cmd(JCR *jcr)
{
- POOLMEM *dname;
+ POOL_MEM devname;
BSOCK *dir = jcr->dir_bsock;
DEVICE *dev;
-
- dname = get_memory(dir->msglen+1);
- if (sscanf(dir->msg, "release %s", dname) == 1) {
- if (find_device(jcr, dname)) {
- dev = jcr->device->dev;
- P(dev->mutex); /* Use P to avoid indefinite block */
- if (!(dev->state & ST_OPENED)) {
+ DCR *dcr;
+ int drive;
+
+ if (sscanf(dir->msg, "release %127s drive=%d", devname.c_str(), &drive) == 2) {
+ dcr = find_device(jcr, devname, drive);
+ if (dcr) {
+ dev = dcr->dev;
+ dev->dlock(); /* Use P to avoid indefinite block */
+ if (!dev->is_open()) {
+ if (!dev->is_busy()) {
+ unload_autochanger(dcr, -1);
+ }
Dmsg0(90, "Device already released\n");
- bnet_fsend(dir, _("3911 Device %s already released.\n"), dev_name(dev));
+ bnet_fsend(dir, _("3921 Device %s already released.\n"),
+ dev->print_name());
+
+ } else if (dev->blocked() == BST_WAITING_FOR_SYSOP) {
+ Dmsg2(90, "%d waiter dev_block=%d.\n", dev->num_waiting,
+ dev->blocked());
+ unload_autochanger(dcr, -1);
+ bnet_fsend(dir, _("3922 Device %s waiting for sysop.\n"),
+ dev->print_name());
- } else if (dev->dev_blocked == BST_WAITING_FOR_SYSOP ||
- dev->dev_blocked == BST_UNMOUNTED_WAITING_FOR_SYSOP) {
+ } else if (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_name(dev));
-
- } else if (dev->dev_blocked == BST_DOING_ACQUIRE) {
- bnet_fsend(dir, _("3913 Device %s is busy in acquire.\n"), dev_name(dev));
-
- } else if (dev->dev_blocked == BST_WRITING_LABEL) {
- bnet_fsend(dir, _("3914 Device %s is being labeled.\n"), dev_name(dev));
-
- } else if (dev_state(dev, ST_READ) || dev->num_writers) {
- if (dev_state(dev, ST_READ)) {
- Dmsg0(90, "Device in read mode\n");
- bnet_fsend(dir, _("3915 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, _("3916 Device %s is busy with %d writer(s).\n"),
- dev_name(dev), dev->num_writers);
- }
-
- } else { /* device not being used */
- Dmsg0(90, "Device not in use, unmounting\n");
- release_volume(jcr, dev);
- bnet_fsend(dir, _("3012 Device %s released.\n"), dev_name(dev));
- }
- V(dev->mutex);
+ dev->blocked());
+ bnet_fsend(dir, _("3922 Device %s waiting for mount.\n"),
+ dev->print_name());
+
+ } else if (dev->blocked() == BST_DOING_ACQUIRE) {
+ bnet_fsend(dir, _("3923 Device %s is busy in acquire.\n"),
+ dev->print_name());
+
+ } else if (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, releaseing\n");
+ unload_autochanger(dcr, -1);
+ release_volume(dcr);
+ bnet_fsend(dir, _("3022 Device %s released.\n"),
+ dev->print_name());
+ }
+ dev->dunlock();
+ free_dcr(dcr);
+ jcr->dcr = NULL;
} else {
- bnet_fsend(dir, _("3999 Device %s not found\n"), dname);
+ bnet_fsend(dir, _("3999 Device \"%s\" not found or could not be opened.\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);
+ pm_strcpy(jcr->errmsg, dir->msg);
+ bnet_fsend(dir, _("3927 Error scanning release command: %s\n"), jcr->errmsg);
}
- free_memory(dname);
bnet_sig(dir, BNET_EOD);
- return 1;
+ return true;
}
+static bool bootstrap_cmd(JCR *jcr)
+{
+ return get_bootstrap_file(jcr, jcr->dir_bsock);
+}
/*
* Autochanger command from Director
*/
-static int autochanger_cmd(JCR *jcr)
+static bool changer_cmd(JCR *jcr)
{
- POOLMEM *dname;
+ POOL_MEM devname;
BSOCK *dir = jcr->dir_bsock;
DEVICE *dev;
-
- dname = get_memory(dir->msglen+1);
- if (sscanf(dir->msg, "autochanger list %s ", dname) == 1) {
- if (find_device(jcr, dname)) {
- dev = jcr->device->dev;
- P(dev->mutex); /* Use P to avoid indefinite block */
- if (!dev_is_tape(dev)) {
- bnet_fsend(dir, _("3995 Device %s is not an autochanger.\n"), dev_name(dev));
- } else if (!(dev->state & ST_OPENED)) {
- autochanger_list(jcr, dev, dir);
+ DCR *dcr;
+ const char *cmd = NULL;
+ bool ok = false;
+ /*
+ * A safe_cmd may call autochanger script but does not load/unload
+ * slots so it can be done at the same time that the drive is open.
+ */
+ bool safe_cmd = false;
+
+ if (sscanf(dir->msg, "autochanger list %127s", devname.c_str()) == 1) {
+ cmd = "list";
+ safe_cmd = ok = true;
+ } else if (sscanf(dir->msg, "autochanger slots %127s", devname.c_str()) == 1) {
+ cmd = "slots";
+ safe_cmd = ok = true;
+ } else if (sscanf(dir->msg, "autochanger drives %127s", devname.c_str()) == 1) {
+ cmd = "drives";
+ safe_cmd = ok = true;
+ }
+ if (ok) {
+ dcr = find_device(jcr, devname, -1);
+ if (dcr) {
+ dev = dcr->dev;
+ dev->dlock(); /* Use P to avoid indefinite block */
+ if (!dev->device->changer_res) {
+ 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->dev_blocked &&
- (dev->dev_blocked == BST_UNMOUNTED ||
- dev->dev_blocked == BST_WAITING_FOR_SYSOP ||
- dev->dev_blocked == BST_UNMOUNTED_WAITING_FOR_SYSOP)) {
- autochanger_list(jcr, dev, dir);
- } else if (dev_state(dev, ST_READ) || dev->num_writers) {
- if (dev_state(dev, 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 */
- autochanger_list(jcr, dev, dir);
- }
- V(dev->mutex);
+ } else if (safe_cmd || !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);
+ }
+ dev->dunlock();
+ free_dcr(dcr);
+ jcr->dcr = NULL;
} else {
- bnet_fsend(dir, _("3999 Device %s not found\n"), dname);
+ bnet_fsend(dir, _("3999 Device \"%s\" not found or could not be opened.\n"), devname.c_str());
}
} else { /* error on scanf */
- pm_strcpy(&jcr->errmsg, dir->msg);
- bnet_fsend(dir, _("3908 Error scanning autocharger list command: %s\n"),
- jcr->errmsg);
+ pm_strcpy(jcr->errmsg, dir->msg);
+ bnet_fsend(dir, _("3908 Error scanning autocharger drives/list/slots command: %s\n"),
+ jcr->errmsg);
}
- free_memory(dname);
- bnet_sig(dir, BNET_EOD);
- return 1;
+ dir->signal(BNET_EOD);
+ return true;
}
/*
* Read and return the Volume label
*/
-static int readlabel_cmd(JCR *jcr)
+static bool readlabel_cmd(JCR *jcr)
{
- POOLMEM *dname;
+ POOL_MEM devname;
BSOCK *dir = jcr->dir_bsock;
DEVICE *dev;
+ DCR *dcr;
int Slot;
-
- dname = get_memory(dir->msglen+1);
- if (sscanf(dir->msg, "readlabel %s Slot=%d", dname, &Slot) == 2) {
- if (find_device(jcr, dname)) {
- dev = jcr->device->dev;
-
- P(dev->mutex); /* Use P to avoid indefinite block */
- if (!dev_state(dev, ST_OPENED)) {
- read_volume_label(jcr, dev, Slot);
- force_close_dev(dev);
+ int drive;
+
+ if (sscanf(dir->msg, "readlabel %127s Slot=%d drive=%d", devname.c_str(),
+ &Slot, &drive) == 3) {
+ dcr = find_device(jcr, devname, drive);
+ if (dcr) {
+ dev = dcr->dev;
+ dev->dlock(); /* Use P to avoid indefinite block */
+ if (!dev->is_open()) {
+ read_volume_label(jcr, dev, Slot);
+ dev->close();
/* 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)) {
- read_volume_label(jcr, dev, Slot);
- } else if (dev_state(dev, ST_READ) || dev->num_writers) {
- if (dev_state(dev, ST_READ)) {
- bnet_fsend(dir, _("3911 Device %s is busy with 1 reader.\n"),
- dev_name(dev));
- } else {
- bnet_fsend(dir, _("3912 Device %s is busy with %d writer(s).\n"),
- dev_name(dev), dev->num_writers);
- }
- } else { /* device not being used */
- read_volume_label(jcr, dev, Slot);
- }
- V(dev->mutex);
+ } 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);
+ }
+ dev->dunlock();
+ free_dcr(dcr);
+ jcr->dcr = NULL;
} else {
- bnet_fsend(dir, _("3999 Device %s not found\n"), dname);
+ bnet_fsend(dir, _("3999 Device \"%s\" not found or could not be opened.\n"), devname.c_str());
}
} else {
- pm_strcpy(&jcr->errmsg, dir->msg);
+ pm_strcpy(jcr->errmsg, dir->msg);
bnet_fsend(dir, _("3909 Error scanning readlabel command: %s\n"), jcr->errmsg);
}
- free_memory(dname);
- bnet_sig(dir, BNET_EOD);
- return 1;
+ dir->signal(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;
- DEV_BLOCK *block;
bsteal_lock_t hold;
-
+ DCR *dcr = jcr->dcr;
+
+ dcr->dev = dev;
steal_device_lock(dev, &hold, BST_WRITING_LABEL);
- block = new_block(dev);
-
- jcr->VolumeName[0] = 0;
- jcr->VolCatInfo.Slot = Slot;
- if (autoload_device(jcr, dev, 0, dir) < 0) { /* autoload if possible */
- goto bail_out;
- }
- /* Ensure that the device is open -- autoload_device() closes it */
- for ( ; !dev_state(dev, ST_OPENED); ) {
- if (open_dev(dev, jcr->VolumeName, OPEN_READ_WRITE) < 0) {
- bnet_fsend(dir, _("3910 Unable to open device \"%s\". ERR=%s\n"),
- dev_name(dev), strerror_dev(dev));
- goto bail_out;
- }
+ if (!try_autoload_device(jcr, Slot, "")) {
+ goto bail_out; /* error */
}
- dev->state &= ~ST_LABEL; /* force read of label */
- switch (read_dev_volume_label(jcr, dev, block)) {
+ dev->clear_labeled(); /* force read of label */
+ switch (read_dev_volume_label(dcr)) {
case VOL_OK:
- bnet_fsend(dir, _("3001 Volume=\"%s\" Slot=%d\n"), dev->VolHdr.VolName, Slot);
- Dmsg1(100, "Volume: %s\n", dev->VolHdr.VolName);
+ /* 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_name(dev), jcr->errmsg);
+ bnet_fsend(dir, _("3902 Cannot mount Volume on Storage Device %s because:\n%s"),
+ dev->print_name(), jcr->errmsg);
break;
}
bail_out:
- free_block(block);
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;
+
+ 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;
+ }
+ return true;
+}
+
+static void send_dir_busy_message(BSOCK *dir, DEVICE *dev)
+{
+ if (dev->is_blocked()) {
+ switch (dev->blocked()) {
+ case BST_UNMOUNTED:
+ bnet_fsend(dir, _("3931 Device %s is BLOCKED. user unmounted.\n"),
+ dev->print_name());
+ break;
+ case BST_UNMOUNTED_WAITING_FOR_SYSOP:
+ bnet_fsend(dir, _("3932 Device %s is BLOCKED. user unmounted during wait for media/mount.\n"),
+ dev->print_name());
+ break;
+ case BST_WAITING_FOR_SYSOP:
+ bnet_fsend(dir, _("3933 Device %s is BLOCKED waiting for media.\n"),
+ dev->print_name());
+ break;
+ case BST_DOING_ACQUIRE:
+ bnet_fsend(dir, _("3934 Device %s is being initialized.\n"),
+ dev->print_name());
+ break;
+ case BST_WRITING_LABEL:
+ bnet_fsend(dir, _("3935 Device %s is blocked labeling a Volume.\n"),
+ dev->print_name());
+ break;
+ default:
+ bnet_fsend(dir, _("3935 Device %s is blocked for unknown reason.\n"),
+ dev->print_name());
+ break;
+ }
+ } else if (dev->can_read()) {
+ bnet_fsend(dir, _("3936 Device %s is busy reading.\n"),
+ dev->print_name());;
+ } else {
+ bnet_fsend(dir, _("3937 Device %s is busy with %d writer(s).\n"),
+ dev->print_name(), dev->num_writers);
+ }
+}
projects / bacula / bacula / blobdiff