/*
* Open a file device. For Aligned type we open both Volumes
*/
void DEVICE::open_file_device(DCR *dcr, int omode)
{
POOL_MEM archive_name(PM_FNAME);
POOL_MEM aligned_name(PM_FNAME);
get_autochanger_loaded_slot(dcr);
/*
* Handle opening of File Archive (not a tape)
*/
pm_strcpy(archive_name, dev_name);
/*
* If this is a virtual autochanger (i.e. changer_res != NULL)
* we simply use the device name, assuming it has been
* appropriately setup by the "autochanger".
*/
if (!device->changer_res || device->changer_command[0] == 0 ||
strcmp(device->changer_command, "/dev/null") == 0) {
if (VolCatInfo.VolCatName[0] == 0) {
Mmsg(errmsg, _("Could not open file device %s. No Volume name given.\n"),
print_name());
clear_opened();
return;
}
if (!IsPathSeparator(archive_name.c_str()[strlen(archive_name.c_str())-1])) {
pm_strcat(archive_name, "/");
}
pm_strcat(archive_name, getVolCatName());
}
mount(1); /* do mount if required */
openmode = omode;
set_mode(omode);
/* If creating file, give 0640 permissions */
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;
Mmsg3(errmsg, _("Could not open(%s,%s,0640): ERR=%s\n"),
archive_name.c_str(), mode_to_str(omode), be.bstrerror());
Dmsg1(40, "open failed: %s", errmsg);
}
if (m_fd >= 0) {
dev_errno = 0;
file = 0;
file_addr = 0;
}
Dmsg1(100, "open dev: disk fd=%d opened\n", m_fd);
}
/* unser_volume_label
*
* Unserialize the Bareos Volume label into the device Volume_Label
* structure.
*
* Assumes that the record is already read.
*
* Returns: false on error
* true on success
*/
bool unser_volume_label(DEVICE *dev, DEV_RECORD *rec)
{
ser_declare;
char buf1[100], buf2[100];
if (rec->FileIndex != VOL_LABEL && rec->FileIndex != PRE_LABEL) {
Mmsg3(dev->errmsg, _("Expecting Volume Label, got FI=%s Stream=%s len=%d\n"),
FI_to_ascii(buf1, rec->FileIndex),
stream_to_ascii(buf2, rec->Stream, rec->FileIndex),
rec->data_len);
if (!forge_on) {
return false;
}
}
dev->VolHdr.LabelType = rec->FileIndex;
dev->VolHdr.LabelSize = rec->data_len;
/* Unserialize the record into the Volume Header */
rec->data = check_pool_memory_size(rec->data, SER_LENGTH_Volume_Label);
ser_begin(rec->data, SER_LENGTH_Volume_Label);
unser_string(dev->VolHdr.Id);
unser_uint32(dev->VolHdr.VerNum);
if (dev->VolHdr.VerNum >= 11) {
unser_btime(dev->VolHdr.label_btime);
unser_btime(dev->VolHdr.write_btime);
} else { /* old way */
unser_float64(dev->VolHdr.label_date);
unser_float64(dev->VolHdr.label_time);
}
unser_float64(dev->VolHdr.write_date); /* Unused with VerNum >= 11 */
unser_float64(dev->VolHdr.write_time); /* Unused with VerNum >= 11 */
unser_string(dev->VolHdr.VolumeName);
unser_string(dev->VolHdr.PrevVolumeName);
unser_string(dev->VolHdr.PoolName);
unser_string(dev->VolHdr.PoolType);
unser_string(dev->VolHdr.MediaType);
unser_string(dev->VolHdr.HostName);
unser_string(dev->VolHdr.LabelProg);
unser_string(dev->VolHdr.ProgVersion);
unser_string(dev->VolHdr.ProgDate);
ser_end(rec->data, SER_LENGTH_Volume_Label);
Dmsg0(190, "unser_vol_label\n");
if (debug_level >= 190) {
dump_volume_label(dev);
}
return true;
}
/*
* Foward space num records
*
* Returns: false on failure
* true on success
*/
bool generic_tape_device::fsr(int num)
{
struct mtop mt_com;
int status;
if (!is_open()) {
dev_errno = EBADF;
Mmsg0(errmsg, _("Bad call to fsr. Device not open\n"));
Emsg0(M_FATAL, 0, errmsg);
return false;
}
if (!has_cap(CAP_FSR)) {
Mmsg1(errmsg, _("ioctl MTFSR not permitted on %s.\n"), prt_name);
return false;
}
Dmsg1(100, "fsr %d\n", num);
mt_com.mt_op = MTFSR;
mt_com.mt_count = num;
status = d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com);
if (status == 0) {
clear_eof();
block_num += num;
} else {
berrno be;
struct mtget mt_stat;
clrerror(mt_com.mt_op);
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);
file = mt_stat.mt_fileno;
block_num = mt_stat.mt_blkno;
} else {
if (at_eof()) {
set_eot();
} else {
set_ateof();
}
}
Mmsg3(errmsg, _("ioctl MTFSR %d error on %s. ERR=%s.\n"), num, prt_name, be.bstrerror());
}
return status == 0;
}
/*
* Open a volume using gfapi.
*/
int gfapi_device::d_open(const char *pathname, int flags, int mode)
{
int status;
POOL_MEM virtual_filename(PM_FNAME);
/*
* Parse the gluster URI.
*/
if (!m_gfapi_volume) {
m_gfapi_volume = bstrdup(dev_name);
if (!parse_gfapi_devicename(m_gfapi_volume,
&m_transport,
&m_servername,
&m_volumename,
&m_basedir,
&m_serverport)) {
Mmsg1(errmsg, _("Unable to parse device URI %s.\n"), dev_name);
Emsg0(M_FATAL, 0, errmsg);
goto bail_out;
}
}
/*
* See if we need to setup a Gluster context.
*/
if (!m_glfs) {
m_glfs = glfs_new(m_volumename);
if (!m_glfs) {
Mmsg1(errmsg, _("Unable to create new Gluster context for volumename %s.\n"), m_volumename);
Emsg0(M_FATAL, 0, errmsg);
goto bail_out;
}
status = glfs_set_volfile_server(m_glfs, (m_transport) ? m_transport : "tcp", m_servername, m_serverport);
if (status < 0) {
Mmsg3(errmsg, _("Unable to initialize Gluster management server for transport %s, servername %s, serverport %d\n"),
(m_transport) ? m_transport : "tcp", m_servername, m_serverport);
Emsg0(M_FATAL, 0, errmsg);
goto bail_out;
}
status = glfs_init(m_glfs);
if (status < 0) {
Mmsg1(errmsg, _("Unable to initialize Gluster for volumename %s.\n"), m_volumename);
Emsg0(M_FATAL, 0, errmsg);
goto bail_out;
}
}
/*
* See if we don't have a file open already.
*/
if (m_gfd) {
glfs_close(m_gfd);
m_gfd = NULL;
}
/*
* See if we store in an explicit directory.
*/
if (m_basedir) {
struct stat st;
/*
* Make sure the dir exists if one is defined.
*/
Mmsg(virtual_filename, "/%s", m_basedir);
if (glfs_stat(m_glfs, virtual_filename.c_str(), &st) != 0) {
switch (errno) {
case ENOENT:
if (!gfapi_makedir(m_glfs, virtual_filename.c_str())) {
Mmsg1(errmsg, _("Specified glusterfs direcory %s cannot be created.\n"), virtual_filename.c_str());
Emsg0(M_FATAL, 0, errmsg);
goto bail_out;
}
break;
default:
goto bail_out;
}
} else {
if (!S_ISDIR(st.st_mode)) {
Mmsg1(errmsg, _("Specified glusterfs direcory %s is not a directory.\n"), virtual_filename.c_str());
Emsg0(M_FATAL, 0, errmsg);
goto bail_out;
}
}
Mmsg(virtual_filename, "/%s/%s", m_basedir, getVolCatName());
} else {
Mmsg(virtual_filename, "%s", getVolCatName());
}
/*
* See if the O_CREAT flag is set as glfs_open doesn't support that flag and you have to call glfs_creat then.
*/
if (flags & O_CREAT) {
m_gfd = glfs_creat(m_glfs, virtual_filename.c_str(), flags, mode);
} else {
m_gfd = glfs_open(m_glfs, virtual_filename.c_str(), flags);
}
if (!m_gfd) {
goto bail_out;
}
return 0;
bail_out:
/*
* Cleanup the Gluster context.
*/
if (m_glfs) {
glfs_fini(m_glfs);
m_glfs = NULL;
}
return -1;
}
