/* * Return the status of the device. This was meant * to be a generic routine. Unfortunately, it doesn't * seem possible (at least I do not know how to do it * currently), which means that for the moment, this * routine has very little value. * * Returns: status */ uint32_t status_dev(DEVICE *dev) { struct mtget mt_stat; uint32_t stat = 0; if (dev->state & (ST_EOT | ST_WEOT)) { stat |= BMT_EOD; Pmsg0(-20, " EOD"); } if (dev->state & ST_EOF) { stat |= BMT_EOF; Pmsg0(-20, " EOF"); } if (dev->is_tape()) { stat |= BMT_TAPE; Pmsg0(-20,_(" Bacula status:")); Pmsg2(-20,_(" file=%d block=%d\n"), dev->file, dev->block_num); 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.bstrerror()); return 0; } Pmsg0(-20, _(" Device status:")); #if defined(HAVE_LINUX_OS) if (GMT_EOF(mt_stat.mt_gstat)) { stat |= BMT_EOF; Pmsg0(-20, " EOF"); } if (GMT_BOT(mt_stat.mt_gstat)) { stat |= BMT_BOT; Pmsg0(-20, " BOT"); } if (GMT_EOT(mt_stat.mt_gstat)) { stat |= BMT_EOT; Pmsg0(-20, " EOT"); } if (GMT_SM(mt_stat.mt_gstat)) { stat |= BMT_SM; Pmsg0(-20, " SM"); } if (GMT_EOD(mt_stat.mt_gstat)) { stat |= BMT_EOD; Pmsg0(-20, " EOD"); } if (GMT_WR_PROT(mt_stat.mt_gstat)) { stat |= BMT_WR_PROT; Pmsg0(-20, " WR_PROT"); } if (GMT_ONLINE(mt_stat.mt_gstat)) { stat |= BMT_ONLINE; Pmsg0(-20, " ONLINE"); } if (GMT_DR_OPEN(mt_stat.mt_gstat)) { stat |= BMT_DR_OPEN; Pmsg0(-20, " DR_OPEN"); } if (GMT_IM_REP_EN(mt_stat.mt_gstat)) { stat |= BMT_IM_REP_EN; Pmsg0(-20, " IM_REP_EN"); } #elif defined(HAVE_WIN32) if (GMT_EOF(mt_stat.mt_gstat)) { stat |= BMT_EOF; Pmsg0(-20, " EOF"); } if (GMT_BOT(mt_stat.mt_gstat)) { stat |= BMT_BOT; Pmsg0(-20, " BOT"); } if (GMT_EOT(mt_stat.mt_gstat)) { stat |= BMT_EOT; Pmsg0(-20, " EOT"); } if (GMT_EOD(mt_stat.mt_gstat)) { stat |= BMT_EOD; Pmsg0(-20, " EOD"); } if (GMT_WR_PROT(mt_stat.mt_gstat)) { stat |= BMT_WR_PROT; Pmsg0(-20, " WR_PROT"); } if (GMT_ONLINE(mt_stat.mt_gstat)) { stat |= BMT_ONLINE; Pmsg0(-20, " ONLINE"); } if (GMT_DR_OPEN(mt_stat.mt_gstat)) { stat |= BMT_DR_OPEN; Pmsg0(-20, " DR_OPEN"); } if (GMT_IM_REP_EN(mt_stat.mt_gstat)) { stat |= BMT_IM_REP_EN; Pmsg0(-20, " IM_REP_EN"); } #endif /* !SunOS && !OSF */ if (dev->has_cap(CAP_MTIOCGET)) { Pmsg2(-20, _(" file=%d block=%d\n"), mt_stat.mt_fileno, mt_stat.mt_blkno); } else { Pmsg2(-20, _(" file=%d block=%d\n"), -1, -1); } } else { stat |= BMT_ONLINE | BMT_BOT; } return stat; }
static int w32_internal_rc ( U32* pStat ) { ASSERT( pStat ); // (sanity check) // PROGRAMMING NOTE: the 'door open' (no tape in drive) and the // 'write protected' statuses are "sticky" in that they never change // until a new/different tape is mounted. All the other statuses // however, change dynamically as one does i/o to the tape... if (0 || ERROR_BUS_RESET == errno // (See KB 111837: "ERROR_BUS_RESET May Be Benign") || ERROR_MEDIA_CHANGED == errno || ERROR_DEVICE_NOT_CONNECTED == errno // (shouldn't occur but we'll check anyway) || ERROR_DEV_NOT_EXIST == errno // (shouldn't occur but we'll check anyway) || ERROR_FILE_NOT_FOUND == errno // (shouldn't occur but we'll check anyway) ) { *pStat &= ~GMT_DR_OPEN (0xFFFFFFFF); *pStat &= ~GMT_WR_PROT (0xFFFFFFFF); } // (see PROGRAMMING NOTE above) *pStat &= ~GMT_BOT (0xFFFFFFFF); *pStat &= ~GMT_SM (0xFFFFFFFF); *pStat &= ~GMT_EOF (0xFFFFFFFF); *pStat &= ~GMT_EOT (0xFFFFFFFF); *pStat &= ~GMT_EOD (0xFFFFFFFF); if (0 || ERROR_BUS_RESET == errno // (spurious error; retry) || ERROR_MEDIA_CHANGED == errno // (spurious error; retry) // || ERROR_DEVICE_NOT_CONNECTED == errno // (PERM ERROR! NO RETRY!) // || ERROR_DEV_NOT_EXIST == errno // (PERM ERROR! NO RETRY!) // || ERROR_FILE_NOT_FOUND == errno // (PERM ERROR! NO RETRY!) ) { return EINTR; // (Interrupted system call; Retry) } // (see PROGRAMMING NOTE further above) switch (errno) { default: break; // (leave errno set to whatever it already is) case NO_ERROR: errno = 0; break; // (normal expected i/o result) case ERROR_BEGINNING_OF_MEDIA: *pStat |= GMT_BOT (0xFFFFFFFF); errno = EIO; break; case ERROR_END_OF_MEDIA: *pStat |= GMT_EOT (0xFFFFFFFF); errno = ENOSPC; break; // "ERROR_END_OF_MEDIA" // // Msg: "The physical end of the tape has been reached." // // The EOT warning reflector has been reached or passed (i.e. you're // now/still in the "EOT Warning Zone" area). Writing additional data // and/or tapemarks may still be possible depending on the size of the // EOT Warning Zone (as set by a SetTapeParameters call with a non-zero // EOTWarningZoneSize value (if supported; see further below)) and // how much data you've already written to the EOT Warning Zone area // (i.e. once you're in the warning area, this "error" occurs after // EACH and EVERY I/O [in the warning zone area] until the ABSOLUTE // physical end-of-tape (ERROR_EOM_OVERFLOW) is reached; see below). // // // *********************** // ** IMPORTANT NOTE! ** // *********************** // // This is NOT actually an "error"!!! // // // When this "error" occurs, your "ReadFile" and/or "WriteFile" call // returns 'FALSE' even though ALL of your requested data was actually // written successfully!! This can be verified by checking to ensure // the returned "number of bytes written" actually matches the amount // you asked to be written. If they're the same (and they ALWAYS will // be for this specific "error" code), then it means this "error" is // NOT actually an error at all, but rather just a WARNING instead!! // (Had it been an actual i/o error, the error code would have been // some other DIFFERENT error code value instead!!) // // // *********************** // ** ALSO IMPORTANT! ** // *********************** // See also: // // http://fixunix.com/storage/205622-bug-dlttape-sys-no-eot-warning.html // // for ADDITIONAL IMPORTANT INFORMATION regarding always having to // specifically request that this "error" code be returned to you: // // Even when a drive reports it does not support the setting of the // the 'EOTWarningZoneSize' value (i.e. the FeaturesLow field of the // GetTapeParameters call returns '0' for TAPE_DRIVE_SET_EOT_WZ_SIZE // field), it may still be possible for "ERROR_END_OF_MEDIA" warnings // to be generated anyway by simply calling SetTapeParameters with a // non-zero 'EOTWarningZoneSize' value anyway. // // The reason for this is because some drives may not allow CHANGING // the value (thus the reason for it reporting that setting the value // is not supported), but may nevertheless still support the ENABLING // of their own hard-coded internal value. That is to say, while the // size of the warning zone may not be modifiable (as it may be hard- // coded and thus unchangeable), the drive may still have the ability // to REPORT reaching the EOT Warning zone IF SPECIFICALLY REQUESTED // TO DO SO! (which is presumably what requesting a non-zero Warning // Zone size would end up doing: i.e. even though such calls APPEAR // to fail, they actually DO succeed in accomplishing SOMETHING, just // not what you originally/specifically requested). // // Thus calling SetTapeParameters with a non-zero 'EOTWarningZoneSize' // value might very well succeed anyway even though GetTapeParameters // reports that doing so is not supported, and by so doing, may cause // the drive to begin reporting of "ERROR_END_OF_MEDIA" (whereas not // attempting to do so would end up leaving the drive in its default // non-reporting mode. That is to say, you should ALWAYS try setting // a non-zero 'EOTWarningZoneSize' value, ignoring any "unsupported" // error code that may be returned from such a call.) case ERROR_EOM_OVERFLOW: *pStat |= GMT_EOT (0xFFFFFFFF); errno = EIO; break; // "ERROR_EOM_OVERFLOW" // // Msg: "Physical end of tape encountered." // // This error code means that the actual physical end-of-media has been // reached, and no more data can be written to the tape. This includes // tapemarks as well. // // *********************** // ** IMPORTANT NOTE! ** // *********************** // // This is a HARD (UNRECOVERABLE) error!! // // To be programmatically informed of when you are coming close to the // physical end-of-the-tape (such that you could be assured room still // remained to write logical end-of-volume labels for example), simply // call SetTapeParameters with a non-zero 'EOTWarningZoneSize' value // and treat any "ERROR_END_OF_MEDIA" "errors" received when writing // as warnings instead. (See prior discussion of "ERROR_END_OF_MEDIA" // return code further above) case ERROR_NO_DATA_DETECTED: *pStat |= GMT_EOD (0xFFFFFFFF); errno = EIO; break; case ERROR_FILEMARK_DETECTED: *pStat |= GMT_EOF (0xFFFFFFFF); errno = EIO; break; case ERROR_SETMARK_DETECTED: *pStat |= GMT_SM (0xFFFFFFFF); errno = EIO; break; case ERROR_NOT_READY: *pStat |= GMT_DR_OPEN (0xFFFFFFFF); errno = ENOMEDIUM; break; case ERROR_NO_MEDIA_IN_DRIVE: *pStat |= GMT_DR_OPEN (0xFFFFFFFF); errno = ENOMEDIUM; break; case ERROR_WRITE_PROTECT: *pStat |= GMT_WR_PROT (0xFFFFFFFF); errno = EROFS; break; } return errno; }
uint32_t generic_tape_device::status_dev() { struct mtget mt_stat; uint32_t status = 0; if (state & (ST_EOT | ST_WEOT)) { status |= BMT_EOD; Pmsg0(-20, " EOD"); } if (state & ST_EOF) { status |= BMT_EOF; Pmsg0(-20, " EOF"); } status |= BMT_TAPE; Pmsg0(-20,_(" Bareos status:")); Pmsg2(-20,_(" file=%d block=%d\n"), file, block_num); if (d_ioctl(m_fd, MTIOCGET, (char *)&mt_stat) < 0) { berrno be; dev_errno = errno; Mmsg2(errmsg, _("ioctl MTIOCGET error on %s. ERR=%s.\n"), print_name(), be.bstrerror()); return 0; } Pmsg0(-20, _(" Device status:")); #if defined(HAVE_LINUX_OS) if (GMT_EOF(mt_stat.mt_gstat)) { status |= BMT_EOF; Pmsg0(-20, " EOF"); } if (GMT_BOT(mt_stat.mt_gstat)) { status |= BMT_BOT; Pmsg0(-20, " BOT"); } if (GMT_EOT(mt_stat.mt_gstat)) { status |= BMT_EOT; Pmsg0(-20, " EOT"); } if (GMT_SM(mt_stat.mt_gstat)) { status |= BMT_SM; Pmsg0(-20, " SM"); } if (GMT_EOD(mt_stat.mt_gstat)) { status |= BMT_EOD; Pmsg0(-20, " EOD"); } if (GMT_WR_PROT(mt_stat.mt_gstat)) { status |= BMT_WR_PROT; Pmsg0(-20, " WR_PROT"); } if (GMT_ONLINE(mt_stat.mt_gstat)) { status |= BMT_ONLINE; Pmsg0(-20, " ONLINE"); } if (GMT_DR_OPEN(mt_stat.mt_gstat)) { status |= BMT_DR_OPEN; Pmsg0(-20, " DR_OPEN"); } if (GMT_IM_REP_EN(mt_stat.mt_gstat)) { status |= BMT_IM_REP_EN; Pmsg0(-20, " IM_REP_EN"); } #elif defined(HAVE_WIN32) if (GMT_EOF(mt_stat.mt_gstat)) { status |= BMT_EOF; Pmsg0(-20, " EOF"); } if (GMT_BOT(mt_stat.mt_gstat)) { status |= BMT_BOT; Pmsg0(-20, " BOT"); } if (GMT_EOT(mt_stat.mt_gstat)) { status |= BMT_EOT; Pmsg0(-20, " EOT"); } if (GMT_EOD(mt_stat.mt_gstat)) { status |= BMT_EOD; Pmsg0(-20, " EOD"); } if (GMT_WR_PROT(mt_stat.mt_gstat)) { status |= BMT_WR_PROT; Pmsg0(-20, " WR_PROT"); } if (GMT_ONLINE(mt_stat.mt_gstat)) { status |= BMT_ONLINE; Pmsg0(-20, " ONLINE"); } if (GMT_DR_OPEN(mt_stat.mt_gstat)) { status |= BMT_DR_OPEN; Pmsg0(-20, " DR_OPEN"); } if (GMT_IM_REP_EN(mt_stat.mt_gstat)) { status |= BMT_IM_REP_EN; Pmsg0(-20, " IM_REP_EN"); } #endif /* HAVE_LINUX_OS || HAVE_WIN32 */ if (has_cap(CAP_MTIOCGET)) { Pmsg2(-20, _(" file=%d block=%d\n"), mt_stat.mt_fileno, mt_stat.mt_blkno); } else { Pmsg2(-20, _(" file=%d block=%d\n"), -1, -1); } return status; }