* Version $Id$
*/
/*
- Copyright (C) 2000-2006 Kern Sibbald
+ Bacula® - The Network Backup Solution
- This program is free software; you can redistribute it and/or
- 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.
+ Copyright (C) 2000-2007 Free Software Foundation Europe e.V.
- 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
- the file LICENSE for additional details.
+ 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.
+*/
/*
* Handling I/O errors and end of tape conditions are a bit tricky.
#endif
/* Forward referenced functions */
-void set_os_device_parameters(DEVICE *dev);
+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);
} else if (S_ISCHR(statp.st_mode)) {
device->dev_type = B_TAPE_DEV;
} else if (S_ISFIFO(statp.st_mode)) {
- device->dev_type = B_FILE_DEV;
+ device->dev_type = B_FIFO_DEV;
} 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"),
if (!device->mount_point || stat(device->mount_point, &statp) < 0) {
berrno be;
dev->dev_errno = errno;
- Jmsg2(jcr, M_ERROR, 0, _("Unable to stat mount point %s: ERR=%s\n"),
+ Jmsg2(jcr, M_ERROR_TERM, 0, _("Unable to stat mount point %s: ERR=%s\n"),
device->mount_point, be.strerror());
- return NULL;
}
}
if (dev->is_dvd()) {
{
file_size = 0;
int timeout = max_open_wait;
+#if !defined(HAVE_WIN32)
struct mtop mt_com;
utime_t start_time = time(NULL);
+#endif
Dmsg0(29, "Open dev: device is tape\n");
get_autochanger_loaded_slot(dcr);
+ openmode = omode;
set_mode(omode);
+
if (timeout < 1) {
timeout = 1;
}
}
dev_errno = 0;
lock_door();
- set_os_device_parameters(this); /* do system dependent stuff */
+ set_os_device_parameters(dcr); /* do system dependent stuff */
break; /* Successfully opened and rewound */
}
}
return;
}
- if (archive_name.c_str()[strlen(archive_name.c_str())-1] != '/') {
+ if (!IsPathSeparator(archive_name.c_str()[strlen(archive_name.c_str())-1])) {
pm_strcat(archive_name, "/");
}
pm_strcat(archive_name, VolCatInfo.VolCatName);
Dmsg1(100, "Volume=%s\n", VolCatInfo.VolCatName);
if (VolCatInfo.VolCatName[0] == 0) {
- Dmsg1(10, "Could not open file device %s. No Volume name given.\n",
+ Dmsg1(10, "Could not open DVD device %s. No Volume name given.\n",
print_name());
- Mmsg(errmsg, _("Could not open file device %s. No Volume name given.\n"),
+ Mmsg(errmsg, _("Could not open DVD device %s. No Volume name given.\n"),
print_name());
clear_opened();
return;
break;
}
} else if (is_file() || is_dvd()) {
- if (lseek(dcr, (off_t)0, SEEK_SET) < 0) {
+ if (lseek(dcr, (boffset_t)0, SEEK_SET) < 0) {
berrno be;
dev_errno = errno;
Mmsg2(errmsg, _("lseek error on %s. ERR=%s.\n"),
struct mtop mt_com;
struct mtget mt_stat;
bool ok = true;
- off_t pos;
+ boffset_t pos;
if (fd < 0) {
dev_errno = EBADF;
return true;
}
if (!is_tape()) {
- pos = lseek(dcr, (off_t)0, SEEK_END);
+ pos = lseek(dcr, (boffset_t)0, SEEK_END);
// Dmsg1(100, "====== Seek to %lld\n", pos);
if (pos >= 0) {
update_pos(dcr);
/*
* Avoid infinite loop by ensuring we advance.
*/
- if (file_num == (int)file) {
+ if (!at_eot() && file_num == (int)file) {
struct mtget mt_stat;
Dmsg1(100, "fsf did not advance from file %d\n", file_num);
set_ateof();
if (dev_get_os_pos(this, &mt_stat)) {
- Dmsg2(100, "Adjust file from %d to %d\n", file , mt_stat.mt_fileno);
+ Dmsg2(100, "Adjust file from %d to %d\n", file_num, mt_stat.mt_fileno);
file = mt_stat.mt_fileno;
}
break;
*/
bool DEVICE::update_pos(DCR *dcr)
{
- off_t pos;
+ boffset_t pos;
bool ok = true;
if (!is_open()) {
if (is_file() || is_dvd()) {
file = 0;
file_addr = 0;
- pos = lseek(dcr, (off_t)0, SEEK_CUR);
+ pos = lseek(dcr, (boffset_t)0, SEEK_CUR);
if (pos < 0) {
berrno be;
dev_errno = errno;
mt_com.mt_count = 1;
while (num-- && !at_eot()) {
Dmsg0(100, "Doing read before fsf\n");
- if ((stat = tape_read(fd, (char *)rbuf, rbuf_len)) < 0) {
+ if ((stat = this->read((char *)rbuf, rbuf_len)) < 0) {
if (errno == ENOMEM) { /* tape record exceeds buf len */
stat = rbuf_len; /* This is OK */
/*
}
if (!is_tape()) {
- off_t pos = (((off_t)rfile)<<32) + (off_t)rblock;
+ boffset_t pos = (((boffset_t)rfile)<<32) | rblock;
Dmsg1(100, "===== lseek to %d\n", (int)pos);
- if (lseek(dcr, pos, SEEK_SET) == (off_t)-1) {
+ if (lseek(dcr, pos, SEEK_SET) == (boffset_t)-1) {
berrno be;
dev_errno = errno;
Mmsg2(errmsg, _("lseek error on %s. ERR=%s.\n"),
}
/* After this point, we are tape only */
- Dmsg4(100, "reposition from %u:%u to %u:%u\n",
- file, block_num, rfile, rblock);
+ Dmsg4(100, "reposition from %u:%u to %u:%u\n", file, block_num, rfile, rblock);
if (rfile < file) {
Dmsg0(100, "Rewind\n");
if (!rewind(NULL)) {
/* Ignore errors as Bacula can read to the correct block */
Dmsg1(100, "fsr %d\n", rblock-block_num);
return fsr(rblock-block_num);
+ } else {
+ while (rblock > block_num) {
+ if (!read_block_from_dev(dcr, NO_BLOCK_NUMBER_CHECK)) {
+ berrno be;
+ dev_errno = errno;
+ Dmsg2(30, "Failed to find requested block on %s: ERR=%s",
+ print_name(), be.strerror());
+ return false;
+ }
+ Dmsg2(300, "moving forward wanted_blk=%d at_blk=%d\n", rblock, block_num);
+ }
}
return true;
}
if (errno == ENOTTY || errno == ENOSYS) { /* Function not implemented */
switch (func) {
case -1:
- break; /* ignore message printed later */
+ break; /* ignore message printed later */
case MTWEOF:
msg = "WTWEOF";
- capabilities &= ~CAP_EOF; /* turn off feature */
+ clear_cap(CAP_EOF); /* turn off feature */
break;
#ifdef MTEOM
case MTEOM:
msg = "WTEOM";
- capabilities &= ~CAP_EOM; /* turn off feature */
+ clear_cap(CAP_EOM); /* turn off feature */
break;
#endif
case MTFSF:
msg = "MTFSF";
- capabilities &= ~CAP_FSF; /* turn off feature */
+ clear_cap(CAP_FSF); /* turn off feature */
break;
case MTBSF:
msg = "MTBSF";
- capabilities &= ~CAP_BSF; /* turn off feature */
+ clear_cap(CAP_BSF); /* turn off feature */
break;
case MTFSR:
msg = "MTFSR";
- capabilities &= ~CAP_FSR; /* turn off feature */
+ clear_cap(CAP_FSR); /* turn off feature */
break;
case MTBSR:
msg = "MTBSR";
- capabilities &= ~CAP_BSR; /* turn off feature */
+ clear_cap(CAP_BSR); /* turn off feature */
break;
case MTREW:
msg = "MTREW";
switch (dev_type) {
case B_TAPE_DEV:
- tape_close(fd);
unlock_door();
+ tape_close(fd);
break;
default:
::close(fd);
dcr->VolCatInfo = saveVolCatInfo; /* structure assignment */
}
-off_t DEVICE::lseek(DCR *dcr, off_t offset, int whence)
+boffset_t DEVICE::lseek(DCR *dcr, boffset_t offset, int whence)
{
switch (dev_type) {
case B_DVD_DEV:
return lseek_dvd(dcr, offset, whence);
case B_FILE_DEV:
- return ::lseek(fd, offset, whence);
- }
+#if defined(HAVE_WIN32)
+ return ::_lseeki64(fd, (__int64)offset, whence);
+#else
+ return ::lseek(fd, (off_t)offset, whence);
+#endif
+ }
return -1;
}
}
}
+/* return the last timer interval (ms) */
+btime_t DEVICE::get_timer_count()
+{
+ btime_t old = last_timer;
+ last_timer = get_current_btime();
+ return last_timer - old;
+}
+
+/* read from fd */
+ssize_t DEVICE::read(void *buf, size_t len)
+{
+ ssize_t read_len ;
+
+ get_timer_count();
+
+ if (this->is_tape()) {
+ read_len = tape_read(fd, buf, len);
+ } else {
+ read_len = ::read(fd, buf, len);
+ }
+
+ last_tick = get_timer_count();
+
+ DevReadTime += last_tick;
+ VolCatInfo.VolReadTime += last_tick;
+
+ if (read_len > 0) { /* skip error */
+ DevReadBytes += read_len;
+ }
+
+ return read_len;
+}
+
+/* write to fd */
+ssize_t DEVICE::write(const void *buf, size_t len)
+{
+ ssize_t write_len ;
+
+ get_timer_count();
+
+ if (this->is_tape()) {
+ write_len = tape_write(fd, buf, len);
+ } else {
+ write_len = ::write(fd, buf, len);
+ }
+
+ last_tick = get_timer_count();
+
+ DevWriteTime += last_tick;
+ VolCatInfo.VolWriteTime += last_tick;
+
+ if (write_len > 0) { /* skip error */
+ DevWriteBytes += write_len;
+ }
+
+ return write_len;
+}
/* Return the resource name for the device */
const char *DEVICE::name() const
}
-void set_os_device_parameters(DEVICE *dev)
+void set_os_device_parameters(DCR *dcr)
{
+ DEVICE *dev = dcr->dev;
+
#if defined(HAVE_LINUX_OS) || defined(HAVE_WIN32)
struct mtop mt_com;
dev->clrerror(MTSETBSIZ);
}
}
+/* Turn this on later when fully tested */
+#if defined(xxxMTIOCSETEOTMODEL)
+ uint32_t neof;
+ if (dev->has_cap(CAP_TWOEOF)) {
+ neof = 2;
+ } else {
+ neof = 1;
+ }
+ if (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));
+ Jmsg(dcr->jcr, M_FATAL, 0, dev->errmsg);
+ }
+#endif
return;
#endif
projects / bacula / bacula / blobdiff