/*
*
* dvd.c -- Routines specific to DVD devices (and
- * possibly other removable hard media).
+ * possibly other removable hard media).
*
* Nicolas Boichat, MMV
*
Copyright (C) 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.
*/
#include "bacula.h"
#include "stored.h"
-int mount_dev(DEVICE *dev, int timeout);
-int unmount_dev(DEVICE *dev, int timeout);
-void update_free_space_dev(DEVICE *dev);
-void get_filename(DEVICE *dev, char *VolName, POOL_MEM& archive_name);
-
/* Forward referenced functions */
-static char *edit_device_codes_dev(DEVICE *dev, char *omsg, const char *imsg);
-static int do_mount_dev(DEVICE* dev, int mount, int dotimeout);
-static int write_part(DEVICE *dev);
-
+static void edit_device_codes_dev(DEVICE *dev, POOL_MEM &omsg, const char *imsg);
+static bool do_mount_dev(DEVICE* dev, int mount, int dotimeout);
+static void add_file_and_part_name(DEVICE *dev, POOL_MEM &archive_name);
/*
* Write the current volume/part filename to archive_name.
*/
-void get_filename(DEVICE *dev, char *VolName, POOL_MEM& archive_name)
+void make_mounted_dvd_filename(DEVICE *dev, POOL_MEM &archive_name)
{
- char partnumber[20];
-
- if (dev->is_dvd()) {
- /* If we try to open the last part, just open it from disk,
- * otherwise, open it from the spooling directory */
- if (dev->part < dev->num_parts) {
- pm_strcpy(archive_name, dev->device->mount_point);
- } else {
- /* Use the working directory if spool directory is not defined */
- if (dev->device->spool_directory) {
- pm_strcpy(archive_name, dev->device->spool_directory);
- } else {
- pm_strcpy(archive_name, working_directory);
- }
- }
+ pm_strcpy(archive_name, dev->device->mount_point);
+ add_file_and_part_name(dev, archive_name);
+ dev->set_part_spooled(false);
+}
+
+void make_spooled_dvd_filename(DEVICE *dev, POOL_MEM &archive_name)
+{
+ /* Use the working directory if spool directory is not defined */
+ if (dev->device->spool_directory) {
+ pm_strcpy(archive_name, dev->device->spool_directory);
} else {
- pm_strcpy(archive_name, dev->dev_name);
+ pm_strcpy(archive_name, working_directory);
}
-
+ add_file_and_part_name(dev, archive_name);
+ dev->set_part_spooled(true);
+}
+
+static void add_file_and_part_name(DEVICE *dev, POOL_MEM &archive_name)
+{
+ char partnumber[20];
if (archive_name.c_str()[strlen(archive_name.c_str())-1] != '/') {
pm_strcat(archive_name, "/");
}
- pm_strcat(archive_name, VolName);
- /* if part != 0, append .# to the filename (where # is the part number) */
- if (dev->is_dvd() && dev->part != 0) {
+
+ pm_strcat(archive_name, dev->VolCatInfo.VolCatName);
+ /* if part > 1, append .# to the filename (where # is the part number) */
+ if (dev->part > 1) {
pm_strcat(archive_name, ".");
bsnprintf(partnumber, sizeof(partnumber), "%d", dev->part);
pm_strcat(archive_name, partnumber);
}
+ Dmsg1(100, "Exit make_dvd_filename: arch=%s\n", archive_name.c_str());
}
/* Mount the device.
* If timeout, wait until the mount command returns 0.
* If !timeout, try to mount the device only once.
*/
-int mount_dev(DEVICE* dev, int timeout)
+bool mount_dev(DEVICE* dev, int timeout)
{
- if (dev->state & ST_MOUNTED) {
- Dmsg0(100, "mount_dev: Device already mounted\n");
- return 0;
- } else if (dev_cap(dev, CAP_REQMOUNT)) {
+ Dmsg0(900, "Enter mount_dev\n");
+ if (dev->is_mounted()) {
+ return true;
+ } else if (dev->requires_mount()) {
return do_mount_dev(dev, 1, timeout);
- }
- return 0;
+ }
+ return true;
}
/* Unmount the device
* If timeout, wait until the unmount command returns 0.
* If !timeout, try to unmount the device only once.
*/
-int unmount_dev(DEVICE *dev, int timeout)
+bool unmount_dev(DEVICE *dev, int timeout)
{
- if (dev->state & ST_MOUNTED) {
+ Dmsg0(900, "Enter unmount_dev\n");
+ if (dev->is_mounted()) {
return do_mount_dev(dev, 0, timeout);
}
- Dmsg0(100, "mount_dev: Device already unmounted\n");
- return 0;
+ return true;
}
/* (Un)mount the device */
-static int do_mount_dev(DEVICE* dev, int mount, int dotimeout) {
+static bool do_mount_dev(DEVICE* dev, int mount, int dotimeout)
+{
POOL_MEM ocmd(PM_FNAME);
- POOLMEM* results;
- results = get_pool_memory(PM_MESSAGE);
- char* icmd;
+ POOLMEM *results;
+ char *icmd;
int status, timeout;
+ sm_check(__FILE__, __LINE__, false);
if (mount) {
+ if (dev->is_mounted()) {
+ Dmsg0(200, "======= DVD mount=1\n");
+ return true;
+ }
icmd = dev->device->mount_command;
- }
- else {
+ } else {
+ if (!dev->is_mounted()) {
+ Dmsg0(200, "======= DVD mount=0\n");
+ return true;
+ }
icmd = dev->device->unmount_command;
}
- edit_device_codes_dev(dev, ocmd.c_str(), icmd);
+ edit_device_codes_dev(dev, ocmd, icmd);
- Dmsg2(29, "do_mount_dev: cmd=%s state=%d\n", ocmd.c_str(), dev->state & ST_MOUNTED);
+ Dmsg2(200, "do_mount_dev: cmd=%s mounted=%d\n", ocmd.c_str(), !!dev->is_mounted());
if (dotimeout) {
- /* Try at most 5 times to (un)mount the device. This should perhaps be configurable. */
- timeout = 5;
- }
- else {
+ /* Try at most 1 time to (un)mount the device. This should perhaps be configurable. */
+ timeout = 1;
+ } else {
timeout = 0;
}
+ results = get_memory(2000);
+ results[0] = 0;
/* If busy retry each second */
- while ((status = run_program_full_output(ocmd.c_str(), dev->max_open_wait/2, results)) != 0) {
- if (--timeout > 0) {
- Dmsg2(40, "Device %s cannot be (un)mounted. Retrying... ERR=%s\n", dev->dev_name, results);
- /* Sometimes the device cannot be mounted because it is already mounted.
- * Try to unmount it, then remount it */
- if (mount) {
- Dmsg1(40, "Trying to unmount the device %s...\n", dev->dev_name);
- do_mount_dev(dev, 0, 0);
- }
- bmicrosleep(1, 0);
- continue;
+ while ((status = run_program_full_output(ocmd.c_str(),
+ dev->max_open_wait/2, results)) != 0) {
+ if (fnmatch("*is already mounted on", results, 0) == 0) {
+ break;
}
- free_pool_memory(results);
- Dmsg2(40, "Device %s cannot be mounted. ERR=%s\n", dev->dev_name, results);
- return -1;
- }
-
- if (mount) {
- dev->state |= ST_MOUNTED;
- } else {
- dev->state &= ~ST_MOUNTED;
- }
- free_pool_memory(results);
-
- Dmsg1(29, "do_mount_dev: end_state=%d\n", dev->state & ST_MOUNTED);
- return 0;
-}
-
-/* Only for devices that require a mount.
- * Try to find the volume name of the loaded device, and open the
- * first part of this volume.
- *
- * Returns 0 if read_dev_volume_label can now read the label,
- * -1 if an error occured, and read_dev_volume_label_guess must abort with an IO_ERROR.
- *
- * To guess the device name, it lists all the files on the DVD, and searches for a
- * file which has a minimum size (500 bytes). If this file has a numeric extension,
- * like part files, try to open the file which has no extension (e.g. the first
- * part file).
- * So, if the DVD does not contains a Bacula volume, a random file is opened,
- * and no valid label could be read from this file.
- *
- * It is useful, so the operator can be told that a wrong volume is mounted, with
- * the label name of the current volume. We can also check that the currently
- * mounted disk is writable. (See also read_dev_volume_label_guess in label.c).
- *
- * Note that if the right volume is mounted, open_guess_name_dev returns the same
- * result as an usual open_dev.
- */
-int open_guess_name_dev(DEVICE *dev)
-{
- Dmsg1(29, "open_guess_name_dev: dev=%s\n", dev->dev_name);
- POOL_MEM guessedname(PM_FNAME);
- DIR* dp;
- struct dirent *entry, *result;
- struct stat statp;
- int index;
- int name_max;
-
- if (!dev->is_dvd()) {
- Dmsg1(100, "open_guess_name_dev: device does not require mount, returning 0. dev=%s\n", dev->dev_name);
- return 0;
- }
-
-#ifndef HAVE_DIRENT_H
- Dmsg0(29, "open_guess_name_dev: readdir not available, cannot guess volume name\n");
- return 0;
-#endif
-
- update_free_space_dev(dev);
-
- if (mount_dev(dev, 1) < 0) {
- /* If the device cannot be mounted, check if it is writable */
- if (dev->free_space_errno >= 0) {
- Dmsg1(100, "open_guess_name_dev: device cannot be mounted, but it seems to be writable, returning 0. dev=%s\n", dev->dev_name);
- return 0;
- } else {
- Dmsg1(100, "open_guess_name_dev: device cannot be mounted, and is not writable, returning 0. dev=%s\n", dev->dev_name);
- /* read_dev_volume_label_guess must now check dev->free_space_errno to understand that the media is not writable. */
- return 0;
- }
- }
-
- name_max = pathconf(".", _PC_NAME_MAX);
- if (name_max < 1024) {
- name_max = 1024;
- }
-
- if (!(dp = opendir(dev->device->mount_point))) {
- berrno be;
- dev->dev_errno = errno;
- Dmsg3(29, "open_guess_name_dev: failed to open dir %s (dev=%s), ERR=%s\n", dev->device->mount_point, dev->dev_name, be.strerror());
- return -1;
- }
-
- entry = (struct dirent *)malloc(sizeof(struct dirent) + name_max + 100);
- while (1) {
- if ((readdir_r(dp, entry, &result) != 0) || (result == NULL)) {
- dev->dev_errno = ENOENT;
- Dmsg2(29, "open_guess_name_dev: failed to find suitable file in dir %s (dev=%s)\n", dev->device->mount_point, dev->dev_name);
- closedir(dp);
- return -1;
- }
-
- ASSERT(name_max+1 > (int)sizeof(struct dirent) + (int)NAMELEN(entry));
-
- if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0) {
- continue;
+ if (timeout-- > 0) {
+ /* Sometimes the device cannot be mounted because it is already mounted.
+ * Try to unmount it, then remount it */
+ if (mount) {
+ Dmsg1(400, "Trying to unmount the device %s...\n", dev->print_name());
+ do_mount_dev(dev, 0, 0);
+ }
+ bmicrosleep(1, 0);
+ continue;
}
+ Dmsg2(40, "Device %s cannot be mounted. ERR=%s\n", dev->print_name(), results);
+ Mmsg(dev->errmsg, "Device %s cannot be mounted. ERR=%s\n",
+ dev->print_name(), results);
+ /*
+ * Now, just to be sure it is not mounted, try to read the
+ * filesystem.
+ */
+ DIR* dp;
+ struct dirent *entry, *result;
+ int name_max;
+ int count = 0;
- pm_strcpy(guessedname, dev->device->mount_point);
- if (guessedname.c_str()[strlen(guessedname.c_str())-1] != '/') {
- pm_strcat(guessedname, "/");
+ name_max = pathconf(".", _PC_NAME_MAX);
+ if (name_max < 1024) {
+ name_max = 1024;
}
- pm_strcat(guessedname, entry->d_name);
-
- if (stat(guessedname.c_str(), &statp) < 0) {
- berrno be;
- Dmsg3(29, "open_guess_name_dev: failed to stat %s (dev=%s), ERR=%s\n",
- guessedname.c_str(), dev->dev_name, be.strerror());
- continue;
+
+ if (!(dp = opendir(dev->device->mount_point))) {
+ berrno be;
+ dev->dev_errno = errno;
+ Dmsg3(29, "open_mounted_dev: failed to open dir %s (dev=%s), ERR=%s\n",
+ dev->device->mount_point, dev->print_name(), be.strerror());
+ goto get_out;
}
- if (!S_ISREG(statp.st_mode) || (statp.st_size < 500)) {
- Dmsg2(100, "open_guess_name_dev: %s is not a regular file, or less than 500 bytes (dev=%s)\n",
- guessedname.c_str(), dev->dev_name);
- continue;
+ entry = (struct dirent *)malloc(sizeof(struct dirent) + name_max + 1000);
+ while (1) {
+ if ((readdir_r(dp, entry, &result) != 0) || (result == NULL)) {
+ dev->dev_errno = ENOENT;
+ Dmsg2(29, "open_mounted_dev: failed to find suitable file in dir %s (dev=%s)\n",
+ dev->device->mount_point, dev->print_name());
+ break;
+ }
+ count++;
}
-
- /* Ok, we found a good file, remove the part extension if possible. */
- for (index = strlen(guessedname.c_str())-1; index >= 0; index--) {
- if ((guessedname.c_str()[index] == '/') ||
- (guessedname.c_str()[index] < '0') ||
- (guessedname.c_str()[index] > '9')) {
- break;
- }
- if (guessedname.c_str()[index] == '.') {
- guessedname.c_str()[index] = '\0';
- break;
- }
- }
-
- if ((stat(guessedname.c_str(), &statp) < 0) || (statp.st_size < 500)) {
- /* The file with extension truncated does not exists or is too small, so use it with its extension. */
- berrno be;
- Dmsg3(100, "open_guess_name_dev: failed to stat %s (dev=%s), using the file with its extension, ERR=%s\n",
- guessedname.c_str(), dev->dev_name, be.strerror());
- pm_strcpy(guessedname, dev->device->mount_point);
- if (guessedname.c_str()[strlen(guessedname.c_str())-1] != '/') {
- pm_strcat(guessedname, "/");
- }
- pm_strcat(guessedname, entry->d_name);
- continue;
+ free(entry);
+ closedir(dp);
+ if (count > 2) {
+ mount = 1; /* If we got more than . and .. */
+ break; /* there must be something mounted */
}
- break;
- }
-
- closedir(dp);
-
- if (dev->fd >= 0) {
- close(dev->fd);
- }
-
- if ((dev->fd = open(guessedname.c_str(), O_RDONLY | O_BINARY)) < 0) {
- berrno be;
- dev->dev_errno = errno;
- Dmsg3(29, "open_guess_name_dev: failed to open %s (dev=%s), ERR=%s\n",
- guessedname.c_str(), dev->dev_name, be.strerror());
- if (open_first_part(dev) < 0) {
- berrno be;
- dev->dev_errno = errno;
- Mmsg1(&dev->errmsg, _("Could not open_first_part, ERR=%s\n"), be.strerror());
- Emsg0(M_FATAL, 0, dev->errmsg);
- }
- return -1;
+get_out:
+ dev->set_mounted(false);
+ sm_check(__FILE__, __LINE__, false);
+ free_pool_memory(results);
+ Dmsg0(200, "============ DVD mount=0\n");
+ return false;
}
- dev->part_start = 0;
- dev->part_size = statp.st_size;
- dev->part = 0;
- dev->state |= ST_OPENED;
- dev->use_count = 1;
-
- Dmsg2(29, "open_guess_name_dev: %s opened (dev=%s)\n", guessedname.c_str(), dev->dev_name);
- return 0;
+ dev->set_mounted(mount); /* set/clear mounted flag */
+ free_pool_memory(results);
+ update_free_space_dev(dev);
+ Dmsg1(200, "============ DVD mount=%d\n", mount);
+ return true;
}
-
/* Update the free space on the device */
void update_free_space_dev(DEVICE* dev)
{
char* icmd;
int timeout;
long long int free;
+ char ed1[50];
+ sm_check(__FILE__, __LINE__, false);
icmd = dev->device->free_space_command;
if (!icmd) {
dev->free_space = 0;
dev->free_space_errno = 0;
+ dev->clear_media();
Dmsg2(29, "update_free_space_dev: free_space=%d, free_space_errno=%d (!icmd)\n", dev->free_space, dev->free_space_errno);
return;
}
- edit_device_codes_dev(dev, ocmd.c_str(), icmd);
+ edit_device_codes_dev(dev, ocmd, icmd);
Dmsg1(29, "update_free_space_dev: cmd=%s\n", ocmd.c_str());
timeout = 3;
while (1) {
- char ed1[50];
if (run_program_full_output(ocmd.c_str(), dev->max_open_wait/2, results) == 0) {
Dmsg1(100, "Free space program run : %s\n", results);
- free = str_to_int64(results);
- if (free >= 0) {
- dev->free_space = free;
- dev->free_space_errno = 1;
+ free = str_to_int64(results);
+ if (free >= 0) {
+ dev->free_space = free;
+ dev->free_space_errno = 1;
+ dev->set_media();
Mmsg0(dev->errmsg, "");
- break;
- }
+ break;
+ }
}
dev->free_space = 0;
dev->free_space_errno = -EPIPE;
if (--timeout > 0) {
Dmsg4(40, "Cannot get free space on device %s. free_space=%s, "
- "free_space_errno=%d ERR=%s\n", dev->dev_name,
- edit_uint64(dev->free_space, ed1), dev->free_space_errno,
- dev->errmsg);
- bmicrosleep(1, 0);
- continue;
+ "free_space_errno=%d ERR=%s\n", dev->print_name(),
+ edit_uint64(dev->free_space, ed1), dev->free_space_errno,
+ dev->errmsg);
+ bmicrosleep(1, 0);
+ continue;
}
dev->dev_errno = -dev->free_space_errno;
Dmsg4(40, "Cannot get free space on device %s. free_space=%s, "
"free_space_errno=%d ERR=%s\n",
- dev->dev_name, edit_uint64(dev->free_space, ed1),
- dev->free_space_errno, dev->errmsg);
+ dev->print_name(), edit_uint64(dev->free_space, ed1),
+ dev->free_space_errno, dev->errmsg);
break;
}
free_pool_memory(results);
- Dmsg2(29, "update_free_space_dev: free_space=%lld, free_space_errno=%d\n", dev->free_space, dev->free_space_errno);
+ Dmsg3(29, "update_free_space_dev: free_space=%s, free_space_errno=%d have_media=%d\n",
+ edit_uint64(dev->free_space, ed1), dev->free_space_errno, dev->have_media());
+ sm_check(__FILE__, __LINE__, false);
return;
}
-static int write_part(DEVICE *dev)
+/*
+ * Write a part (Vol, Vol.1, ...) from the spool to the DVD
+ */
+static bool dvd_write_part(DCR *dcr)
{
- Dmsg1(29, "write_part: device is %s\n", dev->dev_name);
-
- if (unmount_dev(dev, 1) < 0) {
- Dmsg0(29, "write_part: unable to unmount the device\n");
- }
-
+ DEVICE *dev = dcr->dev;
POOL_MEM ocmd(PM_FNAME);
- POOLMEM *results;
- results = get_pool_memory(PM_MESSAGE);
char* icmd;
int status;
int timeout;
+ char ed1[50];
+ sm_check(__FILE__, __LINE__, false);
+ Dmsg1(29, "dvd_write_part: device is %s\n", dev->print_name());
icmd = dev->device->write_part_command;
- edit_device_codes_dev(dev, ocmd.c_str(), icmd);
+ edit_device_codes_dev(dev, ocmd, icmd);
- /* Wait at most the time a maximum size part is written in DVD 0.5x speed
+ /*
+ * Wait at most the time a maximum size part is written in DVD 0.5x speed
* FIXME: Minimum speed should be in device configuration
*/
timeout = dev->max_open_wait + (dev->max_part_size/(1350*1024/2));
- Dmsg2(29, "write_part: cmd=%s timeout=%d\n", ocmd.c_str(), timeout);
+ Dmsg2(29, "dvd_write_part: cmd=%s timeout=%d\n", ocmd.c_str(), timeout);
- status = run_program_full_output(ocmd.c_str(), timeout, results);
+{
+ POOL_MEM results(PM_MESSAGE);
+ sm_check(__FILE__, __LINE__, false);
+ status = run_program_full_output(ocmd.c_str(), timeout, results.c_str());
+ sm_check(__FILE__, __LINE__, false);
if (status != 0) {
- Mmsg1(dev->errmsg, "Error while writing current part to the DVD: %s", results);
+ Mmsg1(dev->errmsg, "Error while writing current part to the DVD: %s",
+ results.c_str());
+ Dmsg1(000, "%s", dev->errmsg);
dev->dev_errno = EIO;
- free_pool_memory(results);
- return -1;
- }
- else {
- Dmsg1(29, "write_part: command output=%s\n", results);
- POOL_MEM archive_name(PM_FNAME);
- get_filename(dev, dev->VolCatInfo.VolCatName, archive_name);
- unlink(archive_name.c_str());
- free_pool_memory(results);
- return 0;
+ return false;
}
+ sm_check(__FILE__, __LINE__, false);
+}
+
+{
+ POOL_MEM archive_name(PM_FNAME);
+ /* Delete spool file */
+ make_spooled_dvd_filename(dev, archive_name);
+ unlink(archive_name.c_str());
+ Dmsg1(29, "unlink(%s)\n", archive_name.c_str());
+ sm_check(__FILE__, __LINE__, false);
+}
+ update_free_space_dev(dev);
+ Jmsg(dcr->jcr, M_INFO, 0, _("Remaining free space %s on %s\n"),
+ edit_uint64_with_commas(dev->free_space, ed1), dev->print_name());
+ sm_check(__FILE__, __LINE__, false);
+ return true;
}
/* Open the next part file.
* - Increment part number
* - Reopen the device
*/
-int open_next_part(DEVICE *dev) {
- int state;
+int open_next_part(DCR *dcr)
+{
+ DEVICE *dev = dcr->dev;
+
+ Dmsg5(29, "Enter: ==== open_next_part part=%d npart=%d dev=%s vol=%s mode=%d\n",
+ dev->part, dev->num_parts, dev->print_name(),
+ dev->VolCatInfo.VolCatName, dev->openmode);
+ if (!dev->is_dvd()) {
+ Dmsg1(000, "Device %s is not dvd!!!!\n", dev->print_name());
+ return -1;
+ }
- Dmsg3(29, "open_next_part %s %s %d\n", dev->dev_name, dev->VolCatInfo.VolCatName, dev->openmode);
/* When appending, do not open a new part if the current is empty */
- if (dev->can_append() && (dev->part == dev->num_parts) &&
+ if (dev->can_append() && (dev->part >= dev->num_parts) &&
(dev->part_size == 0)) {
Dmsg0(29, "open_next_part exited immediately (dev->part_size == 0).\n");
return dev->fd;
}
dev->fd = -1;
+ dev->clear_opened();
- state = dev->state;
- dev->state &= ~ST_OPENED;
-
- if (dev->is_dvd() && (dev->part == dev->num_parts) && dev->can_append()) {
- if (write_part(dev) < 0) {
- return -1;
+ /*
+ * If we have a part open for write, then write it to
+ * DVD before opening the next part.
+ */
+ if (dev->is_dvd() && (dev->part >= dev->num_parts) && dev->can_append()) {
+ if (!dvd_write_part(dcr)) {
+ return -1;
}
}
+ if (dev->part > dev->num_parts) {
+ Dmsg2(000, "In open_next_part: part=%d nump=%d\n", dev->part, dev->num_parts);
+ ASSERT(dev->part <= dev->num_parts);
+ }
dev->part_start += dev->part_size;
dev->part++;
+ Dmsg2(29, "part=%d num_parts=%d\n", dev->part, dev->num_parts);
+ /* I think this dev->can_append() should not be there */
if ((dev->num_parts < dev->part) && dev->can_append()) {
- dev->num_parts = dev->part;
-
- /* Check that the next part file does not exists.
- * If it does, move it away... */
POOL_MEM archive_name(PM_FNAME);
- POOL_MEM archive_bkp_name(PM_FNAME);
struct stat buf;
+ /*
+ * First check what is on DVD. If out part is there, we
+ * are in trouble, so bail out.
+ */
+ make_mounted_dvd_filename(dev, archive_name); /* makes dvd name */
+ if (stat(archive_name.c_str(), &buf) == 0) {
+ /* bad news bail out */
+ Mmsg1(&dev->errmsg, _("Next Volume part already exists on DVD. Cannot continue: %s\n"),
+ archive_name.c_str());
+ return -1;
+ }
+
+ Dmsg2(100, "Set npart=%d to part=%d\n", dev->num_parts, dev->part);
+ dev->num_parts = dev->part;
+ dev->VolCatInfo.VolCatParts = dev->part;
+ make_spooled_dvd_filename(dev, archive_name); /* makes spool name */
- get_filename(dev, dev->VolCatInfo.VolCatName, archive_name);
-
- /* Check if the next part exists. */
+ /* Check if the next part exists in spool directory . */
if ((stat(archive_name.c_str(), &buf) == 0) || (errno != ENOENT)) {
Dmsg1(29, "open_next_part %s is in the way, moving it away...\n", archive_name.c_str());
- pm_strcpy(archive_bkp_name, archive_name.c_str());
- pm_strcat(archive_bkp_name, ".bak");
- unlink(archive_bkp_name.c_str());
-
- /* First try to rename it */
- if (rename(archive_name.c_str(), archive_bkp_name.c_str()) < 0) {
- berrno be;
- Dmsg3(29, "open_next_part can't rename %s to %s, ERR=%s\n",
- archive_name.c_str(), archive_bkp_name.c_str(), be.strerror());
- /* Then try to unlink it */
- if (unlink(archive_name.c_str()) < 0) {
- berrno be;
- dev->dev_errno = errno;
- Mmsg2(&dev->errmsg, _("open_next_part can't unlink existing part %s, ERR=%s\n"),
- archive_name.c_str(), be.strerror());
- Emsg0(M_FATAL, 0, dev->errmsg);
- return -1;
- }
- }
+ /* Then try to unlink it */
+ if (unlink(archive_name.c_str()) < 0) {
+ berrno be;
+ dev->dev_errno = errno;
+ Mmsg2(dev->errmsg, _("open_next_part can't unlink existing part %s, ERR=%s\n"),
+ archive_name.c_str(), be.strerror());
+ return -1;
+ }
}
}
-
- if (open_dev(dev, dev->VolCatInfo.VolCatName, dev->openmode) < 0) {
- return -1;
- } else {
- dev->state = state;
- return dev->fd;
+ if (dev->num_parts < dev->part) {
+ Dmsg2(100, "Set npart=%d to part=%d\n", dev->num_parts, dev->part);
+ dev->num_parts = dev->part;
+ dev->VolCatInfo.VolCatParts = dev->part;
}
+ Dmsg2(50, "Call dev->open(vol=%s, mode=%d\n", dev->VolCatInfo.VolCatName,
+ dev->openmode);
+ /* Open next part */
+ if (dev->open(dcr, dev->openmode) < 0) {
+ return -1;
+ }
+ dev->set_labeled(); /* all next parts are "labeled" */
+ return dev->fd;
}
/* Open the first part file.
* - Close the fd
* - Reopen the device
+ *
+ * I don't see why this is necessary unless the current
+ * part is not zero.
*/
-int open_first_part(DEVICE *dev) {
- int state;
-
- Dmsg3(29, "open_first_part %s %s %d\n", dev->dev_name, dev->VolCatInfo.VolCatName, dev->openmode);
+int open_first_part(DCR *dcr, int mode)
+{
+ DEVICE *dev = dcr->dev;
+
+ Dmsg3(29, "Enter: ==== open_first_part dev=%s Vol=%s mode=%d\n", dev->print_name(),
+ dev->VolCatInfo.VolCatName, dev->openmode);
+
if (dev->fd >= 0) {
close(dev->fd);
}
-
dev->fd = -1;
- state = dev->state;
- dev->state &= ~ST_OPENED;
+ dev->clear_opened();
dev->part_start = 0;
- dev->part = 0;
+ dev->part = 1;
- if (open_dev(dev, dev->VolCatInfo.VolCatName, dev->openmode)) {
- dev->state = state;
- return dev->fd;
- } else {
- return 0;
+ Dmsg2(50, "Call dev->open(vol=%s, mode=%d)\n", dcr->VolCatInfo.VolCatName,
+ mode);
+ if (dev->open(dcr, mode) < 0) {
+ Dmsg0(50, "open dev() failed\n");
+ return -1;
}
+ Dmsg1(50, "Leave open_first_part state=%s\n", dev->is_open()?"open":"not open");
+ return dev->fd;
}
/* Protected version of lseek, which opens the right part if necessary */
off_t lseek_dev(DEVICE *dev, off_t offset, int whence)
{
- int pos, openmode;
+ DCR *dcr;
+ off_t pos;
- if (dev->num_parts == 0) { /* If there is only one part, simply call lseek. */
+ Dmsg3(100, "Enter lseek_dev fd=%d part=%d nparts=%d\n", dev->fd,
+ dev->part, dev->num_parts);
+ if (!dev->is_dvd()) {
+ Dmsg0(100, "Using sys lseek\n");
return lseek(dev->fd, offset, whence);
}
+ dcr = (DCR *)dev->attached_dcrs->first(); /* any dcr will do */
switch(whence) {
case SEEK_SET:
- Dmsg1(100, "lseek_dev SEEK_SET called %d\n", offset);
+ Dmsg1(100, "lseek_dev SEEK_SET to %d\n", (int)offset);
if ((uint64_t)offset >= dev->part_start) {
- if ((uint64_t)(offset - dev->part_start) < dev->part_size) {
- /* We are staying in the current part, just seek */
- if ((pos = lseek(dev->fd, (off_t)(offset-dev->part_start), SEEK_SET)) < 0) {
- return pos;
- } else {
- return pos + dev->part_start;
- }
- } else {
- /* Load next part, and start again */
- if (open_next_part(dev) < 0) {
+ offset -= dev->part_start; /* adjust for start of this part */
+ if (offset == 0 || (uint64_t)offset < dev->part_size) {
+ /* We are staying in the current part, just seek */
+ if ((pos = lseek(dev->fd, offset, SEEK_SET)) < 0) {
+ return pos;
+ } else {
+ return pos + dev->part_start;
+ }
+ } else {
+ /* Load next part, and start again */
+ if (open_next_part(dcr) < 0) {
Dmsg0(100, "lseek_dev failed while trying to open the next part\n");
- return -1;
- }
- return lseek_dev(dev, offset, SEEK_SET);
- }
+ return -1;
+ }
+ return lseek_dev(dev, offset, SEEK_SET);
+ }
} else {
- /* pos < dev->part_start :
- * We need to access a previous part,
- * so just load the first one, and seek again
- * until the right one is loaded */
- if (open_first_part(dev) < 0) {
+ /*
+ * pos < dev->part_start :
+ * We need to access a previous part,
+ * so just load the first one, and seek again
+ * until the right one is loaded
+ */
+ if (open_first_part(dcr, dev->openmode) < 0) {
Dmsg0(100, "lseek_dev failed while trying to open the first part\n");
- return -1;
- }
- return lseek_dev(dev, offset, SEEK_SET);
+ return -1;
+ }
+ return lseek_dev(dev, offset, SEEK_SET);
}
break;
case SEEK_CUR:
- Dmsg1(100, "lseek_dev SEEK_CUR called %d\n", offset);
+ Dmsg1(100, "lseek_dev SEEK_CUR to %d\n", (int)offset);
if ((pos = lseek(dev->fd, (off_t)0, SEEK_CUR)) < 0) {
- return pos;
+ return pos;
}
pos += dev->part_start;
if (offset == 0) {
- return pos;
- }
- else { /* Not used in Bacula, but should work */
- return lseek_dev(dev, pos, SEEK_SET);
+ return pos;
+ } else { /* Not used in Bacula, but should work */
+ return lseek_dev(dev, pos, SEEK_SET);
}
break;
case SEEK_END:
- Dmsg1(100, "lseek_dev SEEK_END called %d\n", offset);
+ Dmsg1(100, "lseek_dev SEEK_END to %d\n", (int)offset);
+ /*
+ * Bacula does not use offsets for SEEK_END
+ * Also, Bacula uses seek_end only when it wants to
+ * append to the volume, so for a dvd that means
+ * that the volume must be spooled since the DVD
+ * itself is read-only (as currently implemented).
+ */
if (offset > 0) { /* Not used by bacula */
- Dmsg1(100, "lseek_dev SEEK_END called with an invalid offset %d\n", offset);
- errno = EINVAL;
- return -1;
+ Dmsg1(100, "lseek_dev SEEK_END called with an invalid offset %d\n", (int)offset);
+ errno = EINVAL;
+ return -1;
}
-
- if (dev->part == dev->num_parts) { /* The right part is already loaded */
- if ((pos = lseek(dev->fd, (off_t)0, SEEK_END)) < 0) {
- return pos;
- } else {
- return pos + dev->part_start;
- }
+ /* If we are already on a spooled part and have the
+ * right part number, simply seek
+ */
+ if (dev->is_part_spooled() && dev->part == dev->num_parts) {
+ if ((pos = lseek(dev->fd, (off_t)0, SEEK_END)) < 0) {
+ return pos;
+ } else {
+ return pos + dev->part_start;
+ }
} else {
- /* Load the first part, then load the next until we reach the last one.
- * This is the only way to be sure we compute the right file address. */
- /* Save previous openmode, and open all but last part read-only (useful for DVDs) */
- openmode = dev->openmode;
- dev->openmode = OPEN_READ_ONLY;
-
- /* Works because num_parts > 0. */
- if (open_first_part(dev) < 0) {
+ /*
+ * Load the first part, then load the next until we reach the last one.
+ * This is the only way to be sure we compute the right file address.
+ *
+ * Save previous openmode, and open all but last part read-only
+ * (useful for DVDs)
+ */
+ int modesave = dev->openmode;
+ /* Works because num_parts > 0. */
+ if (open_first_part(dcr, OPEN_READ_ONLY) < 0) {
Dmsg0(100, "lseek_dev failed while trying to open the first part\n");
- return -1;
- }
- while (dev->part < (dev->num_parts-1)) {
- if (open_next_part(dev) < 0) {
+ return -1;
+ }
+ while (dev->part < (dev->num_parts-1)) {
+ if (open_next_part(dcr) < 0) {
Dmsg0(100, "lseek_dev failed while trying to open the next part\n");
- return -1;
- }
- }
- dev->openmode = openmode;
- if (open_next_part(dev) < 0) {
+ return -1;
+ }
+ }
+ dev->openmode = modesave;
+ if (open_next_part(dcr) < 0) {
Dmsg0(100, "lseek_dev failed while trying to open the next part\n");
- return -1;
- }
- return lseek_dev(dev, 0, SEEK_END);
+ return -1;
+ }
+ return lseek_dev(dev, 0, SEEK_END);
}
break;
default:
}
}
+bool dvd_close_job(DCR *dcr)
+{
+ DEVICE *dev = dcr->dev;
+ JCR *jcr = dcr->jcr;
+ bool ok = true;
+
+ /* If the device is a dvd and WritePartAfterJob
+ * is set to yes, open the next part, so, in case of a device
+ * that requires mount, it will be written to the device.
+ */
+ if (dev->is_dvd() && jcr->write_part_after_job && (dev->part_size > 0)) {
+ Dmsg1(100, "Writing last part=%d write_partafter_job is set.\n",
+ dev->part);
+ if (dev->part < dev->num_parts) {
+ Jmsg3(jcr, M_FATAL, 0, _("Error while writing, current part number is less than the total number of parts (%d/%d, device=%s)\n"),
+ dev->part, dev->num_parts, dev->print_name());
+ dev->dev_errno = EIO;
+ ok = false;
+ }
+
+ /* This should be !dvd_write_part(dcr) */
+// if (ok && open_next_part(dcr) < 0) {
+ if (ok && !dvd_write_part(dcr)) {
+ Jmsg2(jcr, M_FATAL, 0, _("Unable to write part %s: ERR=%s\n"),
+ dev->print_name(), strerror_dev(dev));
+ dev->dev_errno = EIO;
+ ok = false;
+ }
+ }
+ Dmsg1(200, "Set VolCatParts=%d\n", dev->num_parts);
+ dev->VolCatInfo.VolCatParts = dev->num_parts;
+ return ok;
+}
+
/*
* Edit codes into (Un)MountCommand, Write(First)PartCommand
* %% = %
* %a = archive device name
+ * %e = erase (set if cannot mount and first part)
* %m = mount point
* %v = last part name
*
* imsg = input string containing edit codes (%x)
*
*/
-static char *edit_device_codes_dev(DEVICE* dev, char *omsg, const char *imsg)
+static void edit_device_codes_dev(DEVICE* dev, POOL_MEM &omsg, const char *imsg)
{
const char *p;
const char *str;
char add[20];
POOL_MEM archive_name(PM_FNAME);
- get_filename(dev, dev->VolCatInfo.VolCatName, archive_name);
- *omsg = 0;
+ omsg.c_str()[0] = 0;
Dmsg1(800, "edit_device_codes: %s\n", imsg);
for (p=imsg; *p; p++) {
if (*p == '%') {
- switch (*++p) {
- case '%':
- str = "%";
- break;
- case 'n':
- bsnprintf(add, sizeof(add), "%d", dev->part);
- str = add;
- break;
- case 'a':
- str = dev->dev_name;
- break;
- case 'm':
- str = dev->device->mount_point;
- break;
- case 'v':
- str = archive_name.c_str();
- break;
- default:
- add[0] = '%';
- add[1] = *p;
- add[2] = 0;
- str = add;
- break;
- }
+ switch (*++p) {
+ case '%':
+ str = "%";
+ break;
+ case 'a':
+ str = dev->dev_name;
+ break;
+ case 'e':
+ if (dev->part == 1 && !dev->is_mounted()) {
+ str = "1";
+ } else {
+ str = "0";
+ }
+ break;
+ case 'n':
+ bsnprintf(add, sizeof(add), "%d", dev->part);
+ str = add;
+ break;
+ case 'm':
+ str = dev->device->mount_point;
+ break;
+ case 'v':
+ make_spooled_dvd_filename(dev, archive_name);
+ str = archive_name.c_str();
+ break;
+ default:
+ add[0] = '%';
+ add[1] = *p;
+ add[2] = 0;
+ str = add;
+ break;
+ }
} else {
- add[0] = *p;
- add[1] = 0;
- str = add;
+ add[0] = *p;
+ add[1] = 0;
+ str = add;
}
- Dmsg1(900, "add_str %s\n", str);
- pm_strcat(&omsg, (char *)str);
- Dmsg1(800, "omsg=%s\n", omsg);
+ Dmsg1(1900, "add_str %s\n", str);
+ pm_strcat(omsg, (char *)str);
+ Dmsg1(1800, "omsg=%s\n", omsg.c_str());
}
- return omsg;
}
projects / bacula / bacula / blobdiff