void *device_initialization(void *arg)
{
DEVRES *device;
DCR *dcr;
JCR *jcr;
DEVICE *dev;
int errstat;
LockRes();
pthread_detach(pthread_self());
jcr = new_jcr(sizeof(JCR), stored_free_jcr);
new_plugins(jcr); /* instantiate plugins */
jcr->setJobType(JT_SYSTEM);
/*
* Initialize job start condition variable
*/
errstat = pthread_cond_init(&jcr->job_start_wait, NULL);
if (errstat != 0) {
berrno be;
Jmsg1(jcr, M_ABORT, 0, _("Unable to init job start cond variable: ERR=%s\n"), be.bstrerror(errstat));
}
/*
* Initialize job end condition variable
*/
errstat = pthread_cond_init(&jcr->job_end_wait, NULL);
if (errstat != 0) {
berrno be;
Jmsg1(jcr, M_ABORT, 0, _("Unable to init job endstart cond variable: ERR=%s\n"), be.bstrerror(errstat));
}
foreach_res(device, R_DEVICE) {
Dmsg1(90, "calling init_dev %s\n", device->device_name);
dev = init_dev(NULL, device);
Dmsg1(10, "SD init done %s\n", device->device_name);
if (!dev) {
Jmsg1(NULL, M_ERROR, 0, _("Could not initialize %s\n"), device->device_name);
continue;
}
jcr->dcr = dcr = new_dcr(jcr, NULL, dev, NULL);
generate_plugin_event(jcr, bsdEventDeviceInit, dcr);
if (dev->is_autochanger()) {
/* If autochanger set slot in dev structure */
get_autochanger_loaded_slot(dcr);
}
if (device->cap_bits & CAP_ALWAYSOPEN) {
Dmsg1(20, "calling first_open_device %s\n", dev->print_name());
if (!first_open_device(dcr)) {
Jmsg1(NULL, M_ERROR, 0, _("Could not open device %s\n"), dev->print_name());
Dmsg1(20, "Could not open device %s\n", dev->print_name());
free_dcr(dcr);
jcr->dcr = NULL;
continue;
}
}
if (device->cap_bits & CAP_AUTOMOUNT && dev->is_open()) {
switch (read_dev_volume_label(dcr)) {
case VOL_OK:
memcpy(&dev->VolCatInfo, &dcr->VolCatInfo, sizeof(dev->VolCatInfo));
volume_unused(dcr); /* mark volume "released" */
break;
default:
Jmsg1(NULL, M_WARNING, 0, _("Could not mount device %s\n"), dev->print_name());
break;
}
}
free_dcr(dcr);
jcr->dcr = NULL;
}
/*
* Setup device, jcr, and prepare to access device.
* If the caller wants read access, acquire the device, otherwise,
* the caller will do it.
*/
static DCR *setup_to_access_device(JCR *jcr, char *dev_name,
const char *VolumeName, int mode)
{
DEVICE *dev;
char *p;
DEVRES *device;
DCR *dcr;
char VolName[MAX_NAME_LENGTH];
init_reservations_lock();
/*
* If no volume name already given and no bsr, and it is a file,
* try getting name from Filename
*/
if (VolumeName) {
bstrncpy(VolName, VolumeName, sizeof(VolName));
if (strlen(VolumeName) >= MAX_NAME_LENGTH) {
Jmsg0(jcr, M_ERROR, 0, _("Volume name or names is too long. Please use a .bsr file.\n"));
}
} else {
VolName[0] = 0;
}
if (!jcr->bsr && VolName[0] == 0) {
if (!bstrncmp(dev_name, "/dev/", 5)) {
/* Try stripping file part */
p = dev_name + strlen(dev_name);
while (p >= dev_name && !IsPathSeparator(*p))
p--;
if (IsPathSeparator(*p)) {
bstrncpy(VolName, p+1, sizeof(VolName));
*p = 0;
}
}
}
if ((device=find_device_res(dev_name, mode)) == NULL) {
Jmsg2(jcr, M_FATAL, 0, _("Cannot find device \"%s\" in config file %s.\n"),
dev_name, configfile);
return NULL;
}
dev = init_dev(jcr, device);
if (!dev) {
Jmsg1(jcr, M_FATAL, 0, _("Cannot init device %s\n"), dev_name);
return NULL;
}
device->dev = dev;
jcr->dcr = dcr = new_dcr(jcr, NULL, dev);
if (VolName[0]) {
bstrncpy(dcr->VolumeName, VolName, sizeof(dcr->VolumeName));
}
bstrncpy(dcr->dev_name, device->device_name, sizeof(dcr->dev_name));
create_restore_volume_list(jcr);
if (mode) { /* read only access? */
Dmsg0(100, "Acquire device for read\n");
if (!acquire_device_for_read(dcr)) {
return NULL;
}
jcr->read_dcr = dcr;
} else {
if (!first_open_device(dcr)) {
Jmsg1(jcr, M_FATAL, 0, _("Cannot open %s\n"), dev->print_name());
return NULL;
}
jcr->dcr = dcr; /* write dcr */
}
return dcr;
}
