-/*
- *
- * dev.c -- low level operations on device (storage device)
- *
- * Kern Sibbald, MM
- *
- * NOTE!!!! None of these routines are reentrant. You must
- * use lock_device() and dev->unlock() at a higher level,
- * or use the xxx_device() equivalents. By moving the
- * thread synchronization to a higher level, we permit
- * the higher level routines to "seize" the device and
- * to carry out operations without worrying about who
- * set what lock (i.e. race conditions).
- *
- * Note, this is the device dependent code, and may have
- * to be modified for each system, but is meant to
- * be as "generic" as possible.
- *
- * The purpose of this code is to develop a SIMPLE Storage
- * daemon. More complicated coding (double buffering, writer
- * thread, ...) is left for a later version.
- *
- * Unfortunately, I have had to add more and more complication
- * to this code. This was not foreseen as noted above, and as
- * a consequence has lead to something more contorted than is
- * really necessary -- KES. Note, this contortion has been
- * corrected to a large extent by a rewrite (Apr MMI).
- *
- * Version $Id$
- */
/*
Bacula® - The Network Backup Solution
- Copyright (C) 2000-2007 Free Software Foundation Europe e.V.
+ Copyright (C) 2000-2008 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.
+ License as published by the Free Software Foundation and included
+ 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
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- Bacula® is a registered trademark of John Walker.
+ Bacula® is a registered trademark of Kern Sibbald.
The licensor of Bacula is the Free Software Foundation Europe
(FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
Switzerland, email:ftf@fsfeurope.org.
*/
+/*
+ *
+ * dev.c -- low level operations on device (storage device)
+ *
+ * Kern Sibbald, MM
+ *
+ * NOTE!!!! None of these routines are reentrant. You must
+ * use dev->r_dlock() and dev->unlock() at a higher level,
+ * or use the xxx_device() equivalents. By moving the
+ * thread synchronization to a higher level, we permit
+ * the higher level routines to "seize" the device and
+ * to carry out operations without worrying about who
+ * set what lock (i.e. race conditions).
+ *
+ * Note, this is the device dependent code, and may have
+ * to be modified for each system, but is meant to
+ * be as "generic" as possible.
+ *
+ * The purpose of this code is to develop a SIMPLE Storage
+ * daemon. More complicated coding (double buffering, writer
+ * thread, ...) is left for a later version.
+ *
+ * Version $Id$
+ */
/*
* Handling I/O errors and end of tape conditions are a bit tricky.
/* Forward referenced functions */
void set_os_device_parameters(DCR *dcr);
static bool dev_get_os_pos(DEVICE *dev, struct mtget *mt_stat);
-static char *mode_to_str(int mode);
+static const char *mode_to_str(int mode);
/*
* Allocate and initialize the DEVICE structure
int errstat;
DCR *dcr = NULL;
DEVICE *dev;
+ uint32_t max_bs;
/* If no device type specified, try to guess */
if (stat(device->device_name, &statp) < 0) {
berrno be;
Jmsg2(jcr, M_ERROR, 0, _("Unable to stat device %s: ERR=%s\n"),
- device->device_name, be.strerror());
+ device->device_name, be.bstrerror());
return NULL;
}
if (S_ISDIR(statp.st_mode)) {
device->dev_type = B_TAPE_DEV;
} else if (S_ISFIFO(statp.st_mode)) {
device->dev_type = B_FIFO_DEV;
+#ifdef USE_VTAPE
+ /* must set DeviceType = Vtape
+ * in normal mode, autodetection is disabled
+ */
+ } else if (S_ISREG(statp.st_mode)) {
+ device->dev_type = B_VTAPE_DEV;
+#endif
} else if (!(device->cap_bits & CAP_REQMOUNT)) {
Jmsg2(jcr, M_ERROR, 0, _("%s is an unknown device type. Must be tape or directory\n"
" or have RequiresMount=yes for DVD. st_mode=%x\n"),
dev = (DEVICE *)malloc(sizeof(DEVICE));
memset(dev, 0, sizeof(DEVICE));
- dev->Slot = -1; /* unknown */
+ dev->clear_slot(); /* unknown */
/* Copy user supplied device parameters from Resource */
dev->dev_name = get_memory(strlen(device->device_name)+1);
dev->drive_index = device->drive_index;
dev->autoselect = device->autoselect;
dev->dev_type = device->dev_type;
+ dev->init_backend();
if (dev->is_tape()) { /* No parts on tapes */
dev->max_part_size = 0;
} else {
berrno be;
dev->dev_errno = errno;
Jmsg2(jcr, M_ERROR_TERM, 0, _("Unable to stat mount point %s: ERR=%s\n"),
- device->mount_point, be.strerror());
+ device->mount_point, be.bstrerror());
}
}
if (dev->is_dvd()) {
}
}
- if (dev->max_block_size > 1000000) {
+ /* Sanity check */
+ if (dev->max_block_size == 0) {
+ max_bs = DEFAULT_BLOCK_SIZE;
+ } else {
+ max_bs = dev->max_block_size;
+ }
+ if (dev->min_block_size > max_bs) {
+ Jmsg(jcr, M_ERROR_TERM, 0, _("Min block size > max on device %s\n"),
+ dev->print_name());
+ }
+ if (dev->max_block_size > 4096000) {
Jmsg3(jcr, M_ERROR, 0, _("Block size %u on device %s is too large, using default %u\n"),
dev->max_block_size, dev->print_name(), DEFAULT_BLOCK_SIZE);
dev->max_block_size = 0;
if ((errstat = pthread_mutex_init(&dev->m_mutex, NULL)) != 0) {
berrno be;
dev->dev_errno = errstat;
- Mmsg1(dev->errmsg, _("Unable to init mutex: ERR=%s\n"), be.strerror(errstat));
+ Mmsg1(dev->errmsg, _("Unable to init mutex: ERR=%s\n"), be.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
if ((errstat = pthread_cond_init(&dev->wait, NULL)) != 0) {
berrno be;
dev->dev_errno = errstat;
- Mmsg1(dev->errmsg, _("Unable to init cond variable: ERR=%s\n"), be.strerror(errstat));
+ Mmsg1(dev->errmsg, _("Unable to init cond variable: ERR=%s\n"), be.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
if ((errstat = pthread_cond_init(&dev->wait_next_vol, NULL)) != 0) {
berrno be;
dev->dev_errno = errstat;
- Mmsg1(dev->errmsg, _("Unable to init cond variable: ERR=%s\n"), be.strerror(errstat));
+ Mmsg1(dev->errmsg, _("Unable to init cond variable: ERR=%s\n"), be.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
if ((errstat = pthread_mutex_init(&dev->spool_mutex, NULL)) != 0) {
berrno be;
dev->dev_errno = errstat;
- Mmsg1(dev->errmsg, _("Unable to init mutex: ERR=%s\n"), be.strerror(errstat));
+ Mmsg1(dev->errmsg, _("Unable to init mutex: ERR=%s\n"), be.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
#ifdef xxx
if ((errstat = rwl_init(&dev->lock)) != 0) {
berrno be;
dev->dev_errno = errstat;
- Mmsg1(dev->errmsg, _("Unable to init mutex: ERR=%s\n"), be.strerror(errstat));
+ Mmsg1(dev->errmsg, _("Unable to init mutex: ERR=%s\n"), be.bstrerror(errstat));
Jmsg0(jcr, M_ERROR_TERM, 0, dev->errmsg);
}
#endif
dev->clear_opened();
dev->attached_dcrs = New(dlist(dcr, &dcr->dev_link));
- Dmsg2(29, "init_dev: tape=%d dev_name=%s\n", dev->is_tape(), dev->dev_name);
+ Dmsg2(100, "init_dev: tape=%d dev_name=%s\n", dev->is_tape(), dev->dev_name);
+ dev->initiated = true;
return dev;
}
+/* Choose the right backend */
+void DEVICE::init_backend()
+{
+
+#ifdef HAVE_WIN32
+ if (is_tape()) {
+ d_open = win32_tape_open;
+ d_write = win32_tape_write;
+ d_close = win32_tape_close;
+ d_ioctl = win32_tape_ioctl;
+ d_read = win32_tape_read;
+
+ } else {
+ d_open = ::open;
+ d_close = ::close;
+ d_ioctl = win32_ioctl; /* dummy function */
+ d_write = win32_write; /* win32 read/write are not POSIX */
+ d_read = win32_read;
+ }
+
+#else /* POSIX / UNIX Interface */
+ if (is_vtape()) { /* test backend */
+ d_open = vtape_open; /* vtape isn't available for WIN32 or FreeBSD */
+ d_write = vtape_write;
+ d_close = vtape_close;
+ d_ioctl = vtape_ioctl;
+ d_read = vtape_read;
+
+ } else { /* tape and file are using normal io */
+ d_open = ::open;
+ d_write = ::write;
+ d_close = ::close;
+ d_ioctl = ::ioctl;
+ d_read = ::read;
+ }
+#endif
+}
+
/*
* Open the device with the operating system and
* initialize buffer pointers.
if (openmode == omode) {
return m_fd;
} else {
- if (is_tape()) {
- tape_close(m_fd);
- } else {
- ::close(m_fd);
- }
+ d_close(m_fd);
clear_opened();
Dmsg0(100, "Close fd for mode change.\n");
preserve = state & (ST_LABEL|ST_APPEND|ST_READ);
bstrncpy(VolCatInfo.VolCatName, dcr->VolumeName, sizeof(VolCatInfo.VolCatName));
}
- Dmsg4(29, "open dev: type=%d dev_name=%s vol=%s mode=%s\n", dev_type,
+ Dmsg4(100, "open dev: type=%d dev_name=%s vol=%s mode=%s\n", dev_type,
print_name(), VolCatInfo.VolCatName, mode_to_str(omode));
state &= ~(ST_LABEL|ST_APPEND|ST_READ|ST_EOT|ST_WEOT|ST_EOF);
- Slot = -1; /* unknown slot */
label_type = B_BACULA_LABEL;
if (is_tape() || is_fifo()) {
open_tape_device(dcr, omode);
#endif
- Dmsg0(29, "Open dev: device is tape\n");
+ Dmsg0(100, "Open dev: device is tape\n");
get_autochanger_loaded_slot(dcr);
errno = 0;
if (is_fifo() && timeout) {
/* Set open timer */
- tid = start_thread_timer(pthread_self(), timeout);
+ tid = start_thread_timer(dcr->jcr, pthread_self(), timeout);
}
Dmsg2(100, "Try open %s mode=%s\n", print_name(), mode_to_str(omode));
#if defined(HAVE_WIN32)
/* Windows Code */
- if ((m_fd = tape_open(dev_name, mode)) < 0) {
+ if ((m_fd = d_open(dev_name, mode)) < 0) {
dev_errno = errno;
}
/* If busy retry each second for max_open_wait seconds */
for ( ;; ) {
/* Try non-blocking open */
- m_fd = ::open(dev_name, mode+O_NONBLOCK);
+ m_fd = d_open(dev_name, mode+O_NONBLOCK);
if (m_fd < 0) {
berrno be;
dev_errno = errno;
- Dmsg5(050, "Open error on %s omode=%d mode=%x errno=%d: ERR=%s\n",
- print_name(), omode, mode, errno, be.strerror());
+ Dmsg5(100, "Open error on %s omode=%d mode=%x errno=%d: ERR=%s\n",
+ print_name(), omode, mode, errno, be.bstrerror());
} else {
/* Tape open, now rewind it */
- Dmsg0(050, "Rewind after open\n");
+ Dmsg0(100, "Rewind after open\n");
mt_com.mt_op = MTREW;
mt_com.mt_count = 1;
/* rewind only if dev is a tape */
- if (is_tape() && (ioctl(m_fd, MTIOCTOP, (char *)&mt_com) < 0)) {
+ if (is_tape() && (d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com) < 0)) {
berrno be;
dev_errno = errno; /* set error status from rewind */
- ::close(m_fd);
+ d_close(m_fd);
clear_opened();
Dmsg2(100, "Rewind error on %s close: ERR=%s\n", print_name(),
- be.strerror(dev_errno));
+ be.bstrerror(dev_errno));
/* If we get busy, device is probably rewinding, try again */
if (dev_errno != EBUSY) {
break; /* error -- no medium */
}
} else {
/* Got fd and rewind worked, so we must have medium in drive */
- ::close(m_fd);
- m_fd = ::open(dev_name, mode); /* open normally */
+ d_close(m_fd);
+ m_fd = d_open(dev_name, mode); /* open normally */
if (m_fd < 0) {
berrno be;
dev_errno = errno;
- Dmsg5(050, "Open error on %s omode=%d mode=%x errno=%d: ERR=%s\n",
- print_name(), omode, mode, errno, be.strerror());
+ Dmsg5(100, "Open error on %s omode=%d mode=%x errno=%d: ERR=%s\n",
+ print_name(), omode, mode, errno, be.bstrerror());
break;
}
dev_errno = 0;
if (!is_open()) {
berrno be;
Mmsg2(errmsg, _("Unable to open device %s: ERR=%s\n"),
- print_name(), be.strerror(dev_errno));
+ print_name(), be.bstrerror(dev_errno));
Dmsg1(100, "%s", errmsg);
}
stop_thread_timer(tid);
tid = 0;
}
- Dmsg1(29, "open dev: tape %d opened\n", m_fd);
+ Dmsg1(100, "open dev: tape %d opened\n", m_fd);
}
openmode = omode;
set_mode(omode);
/* If creating file, give 0640 permissions */
- Dmsg3(29, "open disk: mode=%s open(%s, 0x%x, 0640)\n", mode_to_str(omode),
+ Dmsg3(100, "open disk: mode=%s open(%s, 0x%x, 0640)\n", mode_to_str(omode),
archive_name.c_str(), mode);
/* Use system open() */
if ((m_fd = ::open(archive_name.c_str(), mode, 0640)) < 0) {
berrno be;
dev_errno = errno;
Mmsg2(errmsg, _("Could not open: %s, ERR=%s\n"), archive_name.c_str(),
- be.strerror());
- Dmsg1(29, "open failed: %s", errmsg);
- Emsg0(M_FATAL, 0, errmsg);
+ be.bstrerror());
+ Dmsg1(100, "open failed: %s", errmsg);
+ Jmsg1(NULL, M_WARNING, 0, "%s", errmsg);
} else {
dev_errno = 0;
file = 0;
file_addr = 0;
}
- Dmsg4(29, "open dev: disk fd=%d opened, part=%d/%d, part_size=%u\n",
+ Dmsg4(100, "open dev: disk fd=%d opened, part=%d/%d, part_size=%u\n",
m_fd, part, num_dvd_parts, part_size);
}
/*
* Handle opening of DVD Volume
*/
- Dmsg2(29, "Enter: open_dvd_dev: DVD vol=%s mode=%s\n",
+ Dmsg2(100, "Enter: open_dvd_dev: DVD vol=%s mode=%s\n",
&dcr->VolCatInfo, mode_to_str(omode));
/*
* If we are not trying to access the last part, set mode to
* OPEN_READ_ONLY as writing would be an error.
*/
- Dmsg2(29, "open DVD part=%d num_dvd_parts=%d\n", part, num_dvd_parts);
+ Dmsg2(100, "open DVD part=%d num_dvd_parts=%d\n", part, num_dvd_parts);
/* Now find the name of the part that we want to access */
if (part <= num_dvd_parts) {
omode = OPEN_READ_ONLY;
if (stat(part1_name.c_str(), &statp) < 0) {
berrno be;
Mmsg(errmsg, _("Unable to stat DVD part 1 file %s: ERR=%s\n"),
- part1_name.c_str(), be.strerror());
+ part1_name.c_str(), be.bstrerror());
Emsg0(M_FATAL, 0, errmsg);
clear_opened();
return;
return;
}
if (have_media()) {
- Dmsg1(29, "Could not mount device %s, this is not a problem (num_dvd_parts == 0), and have media.\n", print_name());
+ Dmsg1(100, "Could not mount device %s, this is not a problem (num_dvd_parts == 0), and have media.\n", print_name());
} else {
Mmsg(errmsg, _("There is no valid DVD in device %s.\n"), print_name());
Emsg0(M_FATAL, 0, errmsg);
}
}
- Dmsg5(29, "open dev: DVD dev=%s mode=%s part=%d npart=%d volcatnparts=%d\n",
+ Dmsg5(100, "open dev: DVD dev=%s mode=%s part=%d npart=%d volcatnparts=%d\n",
archive_name.c_str(), mode_to_str(omode),
part, num_dvd_parts, dcr->VolCatInfo.VolCatParts);
openmode = omode;
/* If creating file, give 0640 permissions */
- Dmsg3(29, "mode=%s open(%s, 0x%x, 0640)\n", mode_to_str(omode),
+ Dmsg3(100, "mode=%s open(%s, 0x%x, 0640)\n", mode_to_str(omode),
archive_name.c_str(), mode);
/* Use system open() */
if ((m_fd = ::open(archive_name.c_str(), mode, 0640)) < 0) {
berrno be;
Mmsg2(errmsg, _("Could not open: %s, ERR=%s\n"), archive_name.c_str(),
- be.strerror());
+ be.bstrerror());
// Should this be set if we try the create/open below
dev_errno = EIO; /* Interpreted as no device present by acquire.c:acquire_device_for_read(). */
- Dmsg1(29, "open failed: %s", errmsg);
+ Dmsg1(100, "open failed: %s", errmsg);
/* Previous open failed. See if we can recover */
if ((omode == OPEN_READ_ONLY || omode == OPEN_READ_WRITE) &&
* level software thinks that we are extending a pre-existing
* media. Reads for READ_ONLY will report immediately an EOF
* Sometimes it is better to finish with an EOF than with an error. */
- Dmsg1(29, "Creating last part on spool: %s\n", archive_name.c_str());
+ Dmsg1(100, "Creating last part on spool: %s\n", archive_name.c_str());
omode = CREATE_READ_WRITE;
set_mode(CREATE_READ_WRITE);
m_fd = ::open(archive_name.c_str(), mode, 0640);
berrno be;
dev_errno = errno;
Mmsg2(errmsg, _("Could not fstat: %s, ERR=%s\n"), archive_name.c_str(),
- be.strerror());
- Dmsg1(29, "open failed: %s", errmsg);
+ be.bstrerror());
+ Dmsg1(100, "open failed: %s", errmsg);
/* Use system close() */
- ::close(m_fd);
+ d_close(m_fd);
clear_opened();
} else {
part_size = filestat.st_size;
unsigned int i;
bool first = true;
- Dmsg3(400, "rewind res=%d fd=%d %s\n", reserved_device, m_fd, print_name());
+ Dmsg3(400, "rewind res=%d fd=%d %s\n", num_reserved(), m_fd, print_name());
state &= ~(ST_EOT|ST_EOF|ST_WEOT); /* remove EOF/EOT flags */
block_num = file = 0;
file_size = 0;
* retrying every 5 seconds.
*/
for (i=max_rewind_wait; ; i -= 5) {
- if (tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ if (d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com) < 0) {
berrno be;
clrerror(MTREW);
if (i == max_rewind_wait) {
- Dmsg1(200, "Rewind error, %s. retrying ...\n", be.strerror());
+ Dmsg1(200, "Rewind error, %s. retrying ...\n", be.bstrerror());
}
/*
* This is a gross hack, because if the user has the
*/
if (first && dcr) {
int open_mode = openmode;
- tape_close(m_fd);
+ d_close(m_fd);
clear_opened();
open(dcr, open_mode);
if (m_fd < 0) {
}
#endif
Mmsg2(errmsg, _("Rewind error on %s. ERR=%s.\n"),
- print_name(), be.strerror());
+ print_name(), be.bstrerror());
return false;
}
break;
berrno be;
dev_errno = errno;
Mmsg2(errmsg, _("lseek error on %s. ERR=%s.\n"),
- print_name(), be.strerror());
+ print_name(), be.bstrerror());
return false;
}
}
return true;
}
-void DEVICE::block(int why)
-{
- lock_device(this);
- block_device(this, why);
- unlock();
-}
-
-void DEVICE::unblock()
-{
- lock();
- unblock_device(this);
- unlock();
-}
-
-const char *DEVICE::print_blocked() const
-{
- switch (m_blocked) {
- case BST_NOT_BLOCKED:
- return "BST_NOT_BLOCKED";
- case BST_UNMOUNTED:
- return "BST_UNMOUNTED";
- case BST_WAITING_FOR_SYSOP:
- return "BST_WAITING_FOR_SYSOP";
- case BST_DOING_ACQUIRE:
- return "BST_DOING_ACQUIRE";
- case BST_WRITING_LABEL:
- return "BST_WRITING_LABEL";
- case BST_UNMOUNTED_WAITING_FOR_SYSOP:
- return "BST_UNMOUNTED_WAITING_FOR_SYSOP";
- case BST_MOUNT:
- return "BST_MOUNT";
- default:
- return _("unknown blocked code");
- }
-}
/*
* Called to indicate that we have just read an
return fsf(VolCatInfo.VolCatFiles);
#endif
- Dmsg0(29, "eod\n");
+ Dmsg0(100, "eod\n");
if (at_eot()) {
return true;
}
block_num = file = 0;
file_size = 0;
file_addr = 0;
- if (is_fifo() || is_prog()) {
+ if (is_fifo()) {
return true;
}
if (!is_tape()) {
dev_errno = errno;
berrno be;
Mmsg2(errmsg, _("lseek error on %s. ERR=%s.\n"),
- print_name(), be.strerror());
+ print_name(), be.bstrerror());
return false;
}
#ifdef MTEOM
mt_com.mt_count = 1;
}
- if (tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ if (d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com) < 0) {
berrno be;
clrerror(mt_com.mt_op);
- Dmsg1(50, "ioctl error: %s\n", be.strerror());
+ Dmsg1(50, "ioctl error: %s\n", be.bstrerror());
update_pos(dcr);
Mmsg2(errmsg, _("ioctl MTEOM error on %s. ERR=%s.\n"),
- print_name(), be.strerror());
+ print_name(), be.bstrerror());
return false;
}
berrno be;
clrerror(-1);
Mmsg2(errmsg, _("ioctl MTIOCGET error on %s. ERR=%s.\n"),
- print_name(), be.strerror());
+ print_name(), be.bstrerror());
return false;
}
Dmsg1(100, "EOD file=%d\n", os_file);
if (pos < 0) {
berrno be;
dev_errno = errno;
- Pmsg1(000, _("Seek error: ERR=%s\n"), be.strerror());
+ Pmsg1(000, _("Seek error: ERR=%s\n"), be.bstrerror());
Mmsg2(errmsg, _("lseek error on %s. ERR=%s.\n"),
- print_name(), be.strerror());
+ print_name(), be.bstrerror());
ok = false;
} else {
file_addr = pos;
stat |= BMT_TAPE;
Pmsg0(-20,_(" Bacula status:"));
Pmsg2(-20,_(" file=%d block=%d\n"), dev->file, dev->block_num);
- if (tape_ioctl(dev->fd(), MTIOCGET, (char *)&mt_stat) < 0) {
+ if (dev->d_ioctl(dev->fd(), MTIOCGET, (char *)&mt_stat) < 0) {
berrno be;
dev->dev_errno = errno;
Mmsg2(dev->errmsg, _("ioctl MTIOCGET error on %s. ERR=%s.\n"),
- dev->print_name(), be.strerror());
+ dev->print_name(), be.bstrerror());
return 0;
}
Pmsg0(-20, _(" Device status:"));
berrno be;
dev->dev_errno = ENOTTY; /* function not available */
Mmsg2(dev->errmsg, _("ioctl MTLOAD error on %s. ERR=%s.\n"),
- dev->print_name(), be.strerror());
+ dev->print_name(), be.bstrerror());
return false;
#else
dev->file_addr = 0;
mt_com.mt_op = MTLOAD;
mt_com.mt_count = 1;
- if (tape_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
+ if (dev->d_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
berrno be;
dev->dev_errno = errno;
Mmsg2(dev->errmsg, _("ioctl MTLOAD error on %s. ERR=%s.\n"),
- dev->print_name(), be.strerror());
+ dev->print_name(), be.bstrerror());
return false;
}
return true;
unlock_door();
mt_com.mt_op = MTOFFL;
mt_com.mt_count = 1;
- if (tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com) < 0) {
+ if (d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com) < 0) {
berrno be;
dev_errno = errno;
Mmsg2(errmsg, _("ioctl MTOFFL error on %s. ERR=%s.\n"),
- print_name(), be.strerror());
+ print_name(), be.bstrerror());
return false;
}
Dmsg1(100, "Offlined device %s\n", print_name());
*/
bool DEVICE::fsf(int num)
{
- int32_t os_file;
+ int32_t os_file = 0;
struct mtop mt_com;
int stat = 0;
* forward space past the end of the medium.
*/
if (has_cap(CAP_FSF) && has_cap(CAP_MTIOCGET) && has_cap(CAP_FASTFSF)) {
+ int my_errno = 0;
mt_com.mt_op = MTFSF;
mt_com.mt_count = num;
- stat = tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
- if (stat < 0 || (os_file=get_os_tape_file()) < 0) {
+ stat = d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
+ if (stat < 0) {
+ my_errno = errno; /* save errno */
+ } else if ((os_file=get_os_tape_file()) < 0) {
+ my_errno = errno; /* save errno */
+ }
+ if (my_errno != 0) {
berrno be;
set_eot();
Dmsg0(200, "Set ST_EOT\n");
clrerror(MTFSF);
Mmsg2(errmsg, _("ioctl MTFSF error on %s. ERR=%s.\n"),
- print_name(), be.strerror());
+ print_name(), be.bstrerror(my_errno));
Dmsg1(200, "%s", errmsg);
return false;
}
+
Dmsg1(200, "fsf file=%d\n", os_file);
set_ateof();
file = os_file;
set_eot();
clrerror(-1);
Dmsg2(100, "Set ST_EOT read errno=%d. ERR=%s\n", dev_errno,
- be.strerror());
+ be.bstrerror());
Mmsg2(errmsg, _("read error on %s. ERR=%s.\n"),
- print_name(), be.strerror());
+ print_name(), be.bstrerror());
Dmsg1(100, "%s", errmsg);
break;
}
}
Dmsg0(100, "Doing MTFSF\n");
- stat = tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
+ stat = d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
if (stat < 0) { /* error => EOT */
berrno be;
set_eot();
Dmsg0(100, "Set ST_EOT\n");
clrerror(MTFSF);
Mmsg2(errmsg, _("ioctl MTFSF error on %s. ERR=%s.\n"),
- print_name(), be.strerror());
+ print_name(), be.bstrerror());
Dmsg0(100, "Got < 0 for MTFSF\n");
Dmsg1(100, "%s", errmsg);
} else {
return false;
}
- Dmsg0(29, "bsf\n");
+ Dmsg0(100, "bsf\n");
clear_eot();
clear_eof();
file -= num;
file_size = 0;
mt_com.mt_op = MTBSF;
mt_com.mt_count = num;
- stat = tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
+ stat = d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
if (stat < 0) {
berrno be;
clrerror(MTBSF);
Mmsg2(errmsg, _("ioctl MTBSF error on %s. ERR=%s.\n"),
- print_name(), be.strerror());
+ print_name(), be.bstrerror());
}
return stat == 0;
}
return false;
}
- Dmsg1(29, "fsr %d\n", num);
+ Dmsg1(100, "fsr %d\n", num);
mt_com.mt_op = MTFSR;
mt_com.mt_count = num;
- stat = tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
+ stat = d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
if (stat == 0) {
clear_eof();
block_num += num;
berrno be;
struct mtget mt_stat;
clrerror(MTFSR);
- Dmsg1(100, "FSF fail: ERR=%s\n", be.strerror());
+ Dmsg1(100, "FSF fail: ERR=%s\n", be.bstrerror());
if (dev_get_os_pos(this, &mt_stat)) {
Dmsg4(100, "Adjust from %d:%d to %d:%d\n", file,
block_num, mt_stat.mt_fileno, mt_stat.mt_blkno);
}
}
Mmsg3(errmsg, _("ioctl MTFSR %d error on %s. ERR=%s.\n"),
- num, print_name(), be.strerror());
+ num, print_name(), be.bstrerror());
}
return stat == 0;
}
return false;
}
- Dmsg0(29, "bsr_dev\n");
+ Dmsg0(100, "bsr_dev\n");
block_num -= num;
clear_eof();
clear_eot();
mt_com.mt_op = MTBSR;
mt_com.mt_count = num;
- stat = tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
+ stat = d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
if (stat < 0) {
berrno be;
clrerror(MTBSR);
Mmsg2(errmsg, _("ioctl MTBSR error on %s. ERR=%s.\n"),
- print_name(), be.strerror());
+ print_name(), be.bstrerror());
}
return stat == 0;
}
struct mtop mt_com;
mt_com.mt_op = MTLOCK;
mt_com.mt_count = 1;
- tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
+ d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
#endif
}
struct mtop mt_com;
mt_com.mt_op = MTUNLOCK;
mt_com.mt_count = 1;
- tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
+ d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
#endif
}
+
+void DEVICE::set_slot(int32_t slot)
+{
+ m_slot = slot;
+ if (vol) vol->clear_slot();
+}
+
+void DEVICE::clear_slot()
+{
+ m_slot = -1;
+ if (vol) vol->set_slot(-1);
+}
+
/*
berrno be;
dev_errno = errno;
Mmsg2(errmsg, _("lseek error on %s. ERR=%s.\n"),
- print_name(), be.strerror());
+ print_name(), be.bstrerror());
return false;
}
file = rfile;
berrno be;
dev_errno = errno;
Dmsg2(30, "Failed to find requested block on %s: ERR=%s",
- print_name(), be.strerror());
+ print_name(), be.bstrerror());
return false;
}
Dmsg2(300, "moving forward wanted_blk=%d at_blk=%d\n", rblock, block_num);
{
struct mtop mt_com;
int stat;
- Dmsg0(129, "weof_dev\n");
+ Dmsg1(129, "=== weof_dev=%s\n", print_name());
if (!is_open()) {
dev_errno = EBADF;
clear_eot();
mt_com.mt_op = MTWEOF;
mt_com.mt_count = num;
- stat = tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
+ stat = d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
if (stat == 0) {
block_num = 0;
file += num;
clrerror(MTWEOF);
if (stat == -1) {
Mmsg2(errmsg, _("ioctl MTWEOF error on %s. ERR=%s.\n"),
- print_name(), be.strerror());
+ print_name(), be.bstrerror());
}
}
return stat == 0;
/* On some systems such as NetBSD, this clears all errors */
get_os_tape_file();
-/* Found on Linux */
+/* Found on Solaris */
#ifdef MTIOCLRERR
{
- struct mtop mt_com;
- mt_com.mt_op = MTIOCLRERR;
- mt_com.mt_count = 1;
- /* Clear any error condition on the tape */
- tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
+ d_ioctl(m_fd, MTIOCLRERR);
Dmsg0(200, "Did MTIOCLRERR\n");
}
#endif
/* Read and clear SCSI error status */
union mterrstat mt_errstat;
Dmsg2(200, "Doing MTIOCERRSTAT errno=%d ERR=%s\n", dev_errno,
- be.strerror(dev_errno));
- tape_ioctl(m_fd, MTIOCERRSTAT, (char *)&mt_errstat);
+ be.bstrerror(dev_errno));
+ d_ioctl(m_fd, MTIOCERRSTAT, (char *)&mt_errstat);
}
#endif
mt_com.mt_op = MTCSE;
mt_com.mt_count = 1;
/* Clear any error condition on the tape */
- tape_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
+ d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
Dmsg0(200, "Did MTCSE\n");
}
#endif
}
+/*
+ * Set to unload the current volume in the drive
+ */
+void DEVICE::set_unload()
+{
+ if (!m_unload && VolHdr.VolumeName[0] != 0) {
+ m_unload = true;
+ memcpy(UnloadVolName, VolHdr.VolumeName, sizeof(UnloadVolName));
+ }
+}
+
+
/*
* Clear volume header
*/
void DEVICE::clear_volhdr()
{
- free_volume(this);
+ Dmsg1(100, "Clear volhdr vol=%s\n", VolHdr.VolumeName);
memset(&VolHdr, 0, sizeof(VolHdr));
}
}
switch (dev_type) {
+ case B_VTL_DEV:
+ case B_VTAPE_DEV:
case B_TAPE_DEV:
unlock_door();
- tape_close(m_fd);
- break;
default:
- ::close(m_fd);
+ d_close(m_fd);
}
/* Clean up device packet so it can be reused */
clear_opened();
- state &= ~(ST_LABEL|ST_READ|ST_APPEND|ST_EOT|ST_WEOT|ST_EOF);
+ /*
+ * Be careful not to clear items needed by the DVD driver
+ * when it is closing a single part.
+ */
+ state &= ~(ST_LABEL|ST_READ|ST_APPEND|ST_EOT|ST_WEOT|ST_EOF|
+ ST_MOUNTED|ST_MEDIA|ST_SHORT);
label_type = B_BACULA_LABEL;
file = block_num = 0;
file_size = 0;
file_addr = 0;
EndFile = EndBlock = 0;
openmode = 0;
- Slot = -1; /* unknown slot */
clear_volhdr();
memset(&VolCatInfo, 0, sizeof(VolCatInfo));
if (tid) {
* the Volume parts multiple times without losing track of what the
* main Volume parameters are.
*/
-void DEVICE::close_part(DCR *dcr)
+void DEVICE::close_part(DCR * /*dcr*/)
{
VOLUME_LABEL saveVolHdr;
VOLUME_CAT_INFO saveVolCatInfo; /* Volume Catalog Information */
close(); /* close current part */
VolHdr = saveVolHdr; /* structure assignment */
VolCatInfo = saveVolCatInfo; /* structure assignment */
- dcr->VolCatInfo = saveVolCatInfo; /* structure assignment */
}
boffset_t DEVICE::lseek(DCR *dcr, boffset_t offset, int whence)
#if defined(HAVE_WIN32)
return ::_lseeki64(m_fd, (__int64)offset, whence);
#else
- return ::lseek(m_fd, (off_t)offset, whence);
+ return ::lseek(m_fd, offset, whence);
#endif
}
return -1;
bool DEVICE::truncate(DCR *dcr) /* We need the DCR for DVD-writing */
{
+ struct stat st;
+
Dmsg1(100, "truncate %s\n", print_name());
switch (dev_type) {
+ case B_VTL_DEV:
+ case B_VTAPE_DEV:
case B_TAPE_DEV:
/* maybe we should rewind and write and eof ???? */
return true; /* we don't really truncate tapes */
case B_DVD_DEV:
return truncate_dvd(dcr);
case B_FILE_DEV:
- /* ***FIXME*** we really need to unlink() the file so that
- * its name can be changed for a relabel.
- */
if (ftruncate(m_fd, 0) != 0) {
berrno be;
Mmsg2(errmsg, _("Unable to truncate device %s. ERR=%s\n"),
- print_name(), be.strerror());
+ print_name(), be.bstrerror());
return false;
}
+
+ /*
+ * Check for a successful ftruncate() and issue a work-around for devices
+ * (mostly cheap NAS) that don't support truncation.
+ * Workaround supplied by Martin Schmid as a solution to bug #1011.
+ * 1. close file
+ * 2. delete file
+ * 3. open new file with same mode
+ * 4. change ownership to original
+ */
+
+ if (fstat(m_fd, &st) != 0) {
+ berrno be;
+ Mmsg2(errmsg, _("Unable to stat device %s. ERR=%s\n"),
+ print_name(), be.bstrerror());
+ return false;
+ }
+
+ if (st.st_size != 0) { /* ftruncate() didn't work */
+ POOL_MEM archive_name(PM_FNAME);
+
+ pm_strcpy(archive_name, dev_name);
+ if (!IsPathSeparator(archive_name.c_str()[strlen(archive_name.c_str())-1])) {
+ pm_strcat(archive_name, "/");
+ }
+ pm_strcat(archive_name, dcr->VolumeName);
+
+ Mmsg2(errmsg, _("Device %s doesn't support ftruncate(). Recreating file %s.\n"),
+ print_name(), archive_name.c_str());
+
+ /* Close file and blow it away */
+ ::close(m_fd);
+ ::unlink(archive_name.c_str());
+
+ /* Recreate the file -- of course, empty */
+ set_mode(CREATE_READ_WRITE);
+ if ((m_fd = ::open(archive_name.c_str(), mode, st.st_mode)) < 0) {
+ berrno be;
+ dev_errno = errno;
+ Mmsg2(errmsg, _("Could not reopen: %s, ERR=%s\n"), archive_name.c_str(),
+ be.bstrerror());
+ Dmsg1(100, "reopen failed: %s", errmsg);
+ Emsg0(M_FATAL, 0, errmsg);
+ return false;
+ }
+
+ /* Reset proper owner */
+ chown(archive_name.c_str(), st.st_uid, st.st_gid);
+ }
+
return true;
}
return false;
*/
bool DEVICE::unmount(int timeout)
{
- Dmsg0(90, "Enter unmount\n");
+ Dmsg0(100, "Enter unmount\n");
if (is_mounted()) {
return do_mount(0, timeout);
}
char *icmd;
int status, timeout;
- sm_check(__FILE__, __LINE__, false);
+ Dsm_check(1);
if (mount) {
if (is_mounted()) {
Dmsg0(200, "======= mount=1\n");
timeout = 0;
}
results = get_memory(4000);
- results[0] = 0;
/* If busy retry each second */
- Dmsg1(20, "do_mount run_prog=%s\n", ocmd.c_str());
+ Dmsg1(100, "do_mount run_prog=%s\n", ocmd.c_str());
while ((status = run_program_full_output(ocmd.c_str(),
max_open_wait/2, results)) != 0) {
/* Doesn't work with internationalization (This is not a problem) */
}
if (status != 0) {
berrno be;
- Dmsg5(40, "Device %s cannot be %smounted. stat=%d result=%s ERR=%s\n", print_name(),
- (mount ? "" : "un"), status, results, be.strerror(status));
+ Dmsg5(100, "Device %s cannot be %smounted. stat=%d result=%s ERR=%s\n", print_name(),
+ (mount ? "" : "un"), status, results, be.bstrerror(status));
Mmsg(errmsg, _("Device %s cannot be %smounted. ERR=%s\n"),
- print_name(), (mount ? "" : "un"), be.strerror(status));
+ print_name(), (mount ? "" : "un"), be.bstrerror(status));
} else {
- Dmsg4(40, "Device %s cannot be %smounted. stat=%d ERR=%s\n", print_name(),
+ Dmsg4(100, "Device %s cannot be %smounted. stat=%d ERR=%s\n", print_name(),
(mount ? "" : "un"), status, results);
Mmsg(errmsg, _("Device %s cannot be %smounted. ERR=%s\n"),
print_name(), (mount ? "" : "un"), results);
if (!(dp = opendir(device->mount_point))) {
berrno be;
dev_errno = errno;
- Dmsg3(29, "do_mount: failed to open dir %s (dev=%s), ERR=%s\n",
- device->mount_point, print_name(), be.strerror());
+ Dmsg3(100, "do_mount: failed to open dir %s (dev=%s), ERR=%s\n",
+ device->mount_point, print_name(), be.bstrerror());
goto get_out;
}
free(entry);
closedir(dp);
- Dmsg1(29, "do_mount: got %d files in the mount point (not counting ., .. and .keep)\n", count);
+ Dmsg1(100, "do_mount: got %d files in the mount point (not counting ., .. and .keep)\n", count);
if (count > 0) {
/* If we got more than ., .. and .keep */
}
get_out:
set_mounted(false);
- sm_check(__FILE__, __LINE__, false);
free_pool_memory(results);
Dmsg0(200, "============ mount=0\n");
+ Dsm_check(1);
return false;
}
}
}
-/* return the last timer interval (ms) */
+/* return the last timer interval (ms)
+ * or 0 if something goes wrong
+ */
btime_t DEVICE::get_timer_count()
{
- btime_t old = last_timer;
+ btime_t temp = last_timer;
last_timer = get_current_btime();
- return last_timer - old;
+ temp = last_timer - temp; /* get elapsed time */
+ return (temp>0)?temp:0; /* take care of skewed clock */
}
/* read from fd */
get_timer_count();
- if (this->is_tape()) {
- read_len = tape_read(m_fd, buf, len);
- } else {
- read_len = ::read(m_fd, buf, len);
- }
+ read_len = d_read(m_fd, buf, len);
last_tick = get_timer_count();
get_timer_count();
- if (this->is_tape()) {
- write_len = tape_write(m_fd, buf, len);
- } else {
- write_len = ::write(m_fd, buf, len);
- }
+ write_len = d_write(m_fd, buf, len);
last_tick = get_timer_count();
struct mtget mt_stat;
if (has_cap(CAP_MTIOCGET) &&
- tape_ioctl(m_fd, MTIOCGET, (char *)&mt_stat) == 0) {
+ d_ioctl(m_fd, MTIOCGET, (char *)&mt_stat) == 0) {
return mt_stat.mt_fileno;
}
return -1;
dev->rem_wait_sec = dev->wait_sec;
dev->num_wait = 0;
dev->poll = false;
- dev->BadVolName[0] = 0;
jcr->min_wait = 60 * 60;
jcr->max_wait = 24 * 60 * 60;
{
DEVICE *dev = dcr->dev;
+ if (strcmp(dev->dev_name, "/dev/null") == 0) {
+ return; /* no use trying to set /dev/null */
+ }
+
#if defined(HAVE_LINUX_OS) || defined(HAVE_WIN32)
struct mtop mt_com;
- Dmsg0(050, "In set_os_device_parameters\n");
+ Dmsg0(100, "In set_os_device_parameters\n");
#if defined(MTSETBLK)
if (dev->min_block_size == dev->max_block_size &&
dev->min_block_size == 0) { /* variable block mode */
mt_com.mt_op = MTSETBLK;
mt_com.mt_count = 0;
- Dmsg0(050, "Set block size to zero\n");
- if (tape_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
+ Dmsg0(100, "Set block size to zero\n");
+ if (dev->d_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
dev->clrerror(MTSETBLK);
}
}
#endif
#if defined(MTSETDRVBUFFER)
- if (getpid() == 0) { /* Only root can do this */
+ if (getuid() == 0) { /* Only root can do this */
mt_com.mt_op = MTSETDRVBUFFER;
mt_com.mt_count = MT_ST_CLEARBOOLEANS;
if (!dev->has_cap(CAP_TWOEOF)) {
if (dev->has_cap(CAP_EOM)) {
mt_com.mt_count |= MT_ST_FAST_MTEOM;
}
- Dmsg0(050, "MTSETDRVBUFFER\n");
- if (tape_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
+ Dmsg0(100, "MTSETDRVBUFFER\n");
+ if (dev->d_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
dev->clrerror(MTSETDRVBUFFER);
}
}
dev->min_block_size == 0) { /* variable block mode */
mt_com.mt_op = MTSETBSIZ;
mt_com.mt_count = 0;
- if (tape_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
+ if (dev->d_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
dev->clrerror(MTSETBSIZ);
}
/* Get notified at logical end of tape */
mt_com.mt_op = MTEWARN;
mt_com.mt_count = 1;
- if (tape_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
+ if (dev->d_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
dev->clrerror(MTEWARN);
}
}
dev->min_block_size == 0) { /* variable block mode */
mt_com.mt_op = MTSETBSIZ;
mt_com.mt_count = 0;
- if (tape_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
+ if (dev->d_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
dev->clrerror(MTSETBSIZ);
}
}
} else {
neof = 1;
}
- if (ioctl(dev->fd(), MTIOCSETEOTMODEL, (caddr_t)&neof) < 0) {
+ if (dev->d_ioctl(dev->fd(), MTIOCSETEOTMODEL, (caddr_t)&neof) < 0) {
berrno be;
dev->dev_errno = errno; /* save errno */
Mmsg2(dev->errmsg, _("Unable to set eotmodel on device %s: ERR=%s\n"),
- dev->print_name(), be.strerror(dev->dev_errno));
+ dev->print_name(), be.bstrerror(dev->dev_errno));
Jmsg(dcr->jcr, M_FATAL, 0, dev->errmsg);
}
#endif
dev->min_block_size == 0) { /* variable block mode */
mt_com.mt_op = MTSRSZ;
mt_com.mt_count = 0;
- if (tape_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
+ if (dev->d_ioctl(dev->fd(), MTIOCTOP, (char *)&mt_com) < 0) {
dev->clrerror(MTSRSZ);
}
}
static bool dev_get_os_pos(DEVICE *dev, struct mtget *mt_stat)
{
- Dmsg0(050, "dev_get_os_pos\n");
+ Dmsg0(100, "dev_get_os_pos\n");
return dev->has_cap(CAP_MTIOCGET) &&
- tape_ioctl(dev->fd(), MTIOCGET, (char *)mt_stat) == 0 &&
+ dev->d_ioctl(dev->fd(), MTIOCGET, (char *)mt_stat) == 0 &&
mt_stat->mt_fileno >= 0;
}
-static char *modes[] = {
+static const char *modes[] = {
"CREATE_READ_WRITE",
"OPEN_READ_WRITE",
"OPEN_READ_ONLY",
};
-static char *mode_to_str(int mode)
+static const char *mode_to_str(int mode)
{
static char buf[100];
if (mode < 1 || mode > 4) {