/* * Open a device. */ void DEVICE::open_device(DCR *dcr, int omode) { POOL_MEM archive_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) { 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(dcr, 1); /* do mount if required */ open_mode = 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(), oflags); if ((m_fd = d_open(archive_name.c_str(), oflags, 0640)) < 0) { berrno be; dev_errno = errno; Mmsg2(errmsg, _("Could not open: %s, ERR=%s\n"), archive_name.c_str(), be.bstrerror()); Dmsg1(100, "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); }
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; }
/* * Open a fifo device */ void win32_fifo_device::open_device(DCR *dcr, int omode) { file_size = 0; int timeout = max_open_wait; utime_t start_time = time(NULL); mount(dcr, 1); /* do mount if required */ Dmsg0(100, "Open dev: device is fifo\n"); get_autochanger_loaded_slot(dcr); open_mode = omode; set_mode(omode); if (timeout < 1) { timeout = 1; } errno = 0; if (timeout) { /* * Set open timer */ tid = start_thread_timer(dcr->jcr, pthread_self(), timeout); } Dmsg2(100, "Try open %s mode=%s\n", prt_name, mode_to_str(omode)); /* * If busy retry each second for max_open_wait seconds */ for ( ;; ) { /* * Try non-blocking open */ m_fd = d_open(dev_name, oflags | O_NONBLOCK, 0); if (m_fd < 0) { berrno be; dev_errno = errno; Dmsg5(100, "Open error on %s omode=%d oflags=%x errno=%d: ERR=%s\n", prt_name, omode, oflags, errno, be.bstrerror()); } else { d_close(m_fd); m_fd = d_open(dev_name, oflags, 0); /* open normally */ if (m_fd < 0) { berrno be; dev_errno = errno; Dmsg5(100, "Open error on %s omode=%d oflags=%x errno=%d: ERR=%s\n", prt_name, omode, oflags, errno, be.bstrerror()); break; } dev_errno = 0; lock_door(); break; /* Successfully opened and rewound */ } bmicrosleep(5, 0); /* * Exceed wait time ? */ if (time(NULL) - start_time >= max_open_wait) { break; /* yes, get out */ } } if (!is_open()) { berrno be; Mmsg2(errmsg, _("Unable to open device %s: ERR=%s\n"), prt_name, be.bstrerror(dev_errno)); Dmsg1(100, "%s", errmsg); } /* * Stop any open() timer we started */ if (tid) { stop_thread_timer(tid); tid = 0; } Dmsg1(100, "open dev: fifo %d opened\n", m_fd); }
/* * Open a tape device */ void generic_tape_device::open_device(DCR *dcr, int omode) { file_size = 0; int timeout = max_open_wait; #if !defined(HAVE_WIN32) struct mtop mt_com; utime_t start_time = time(NULL); #endif mount(dcr, 1); /* do mount if required */ Dmsg0(100, "Open dev: device is tape\n"); get_autochanger_loaded_slot(dcr); open_mode = omode; set_mode(omode); if (timeout < 1) { timeout = 1; } errno = 0; Dmsg2(100, "Try open %s mode=%s\n", prt_name, mode_to_str(omode)); #if defined(HAVE_WIN32) /* * Windows Code */ if ((m_fd = d_open(dev_name, oflags, 0)) < 0) { dev_errno = errno; } #else /* * UNIX Code * * If busy retry each second for max_open_wait seconds */ for ( ;; ) { /* * Try non-blocking open */ m_fd = d_open(dev_name, oflags | O_NONBLOCK, 0); if (m_fd < 0) { berrno be; dev_errno = errno; Dmsg5(100, "Open error on %s omode=%d oflags=%x errno=%d: ERR=%s\n", prt_name, omode, oflags, errno, be.bstrerror()); } else { /* * Tape open, now rewind it */ Dmsg0(100, "Rewind after open\n"); mt_com.mt_op = MTREW; mt_com.mt_count = 1; /* * Rewind only if dev is a tape */ if (d_ioctl(m_fd, MTIOCTOP, (char *)&mt_com) < 0) { berrno be; dev_errno = errno; /* set error status from rewind */ d_close(m_fd); clear_opened(); Dmsg2(100, "Rewind error on %s close: ERR=%s\n", prt_name, 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 */ d_close(m_fd); m_fd = d_open(dev_name, oflags, 0); /* open normally */ if (m_fd < 0) { berrno be; dev_errno = errno; Dmsg5(100, "Open error on %s omode=%d oflags=%x errno=%d: ERR=%s\n", prt_name, omode, oflags, errno, be.bstrerror()); break; } dev_errno = 0; lock_door(); set_os_device_parameters(dcr); /* do system dependent stuff */ break; /* Successfully opened and rewound */ } } bmicrosleep(5, 0); /* * Exceed wait time ? */ if (time(NULL) - start_time >= max_open_wait) { break; /* yes, get out */ } } #endif if (!is_open()) { berrno be; Mmsg2(errmsg, _("Unable to open device %s: ERR=%s\n"), prt_name, be.bstrerror(dev_errno)); Dmsg1(100, "%s", errmsg); } Dmsg1(100, "open dev: tape %d opened\n", m_fd); }