X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=device-src%2Ftape-posix.c;h=0fc30409bb0213104445a0d9b437c1e3f1b1fc12;hb=fd48f3e498442f0cbff5f3606c7c403d0566150e;hp=70e948002f4f72b4fa8cc199f44c53eb4bb0d50f;hpb=fb2bd066c2f8b34addafe48d62550e3033a59431;p=debian%2Famanda diff --git a/device-src/tape-posix.c b/device-src/tape-posix.c index 70e9480..0fc3040 100644 --- a/device-src/tape-posix.c +++ b/device-src/tape-posix.c @@ -1,20 +1,20 @@ /* - * Copyright (c) 2005 Zmanda, Inc. All Rights Reserved. - * - * This library is free software; you can redistribute it and/or modify it - * under the terms of the GNU Lesser General Public License version 2.1 as - * published by the Free Software Foundation. - * - * This library is distributed in the hope that it will be useful, but + * Copyright (c) 2007, 2008, 2009, 2010 Zmanda, Inc. All Rights Reserved. + * + * 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 published + * by the Free Software Foundation. + * + * 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 Lesser General Public - * License for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with this library; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * - * Contact information: Zmanda Inc., 505 N Mathlida Ave, Suite 120 + * 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., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Contact information: Zmanda Inc., 465 S. Mathilda Ave., Suite 300 * Sunnyvale, CA 94085, USA, or: http://www.zmanda.com */ @@ -92,6 +92,17 @@ gboolean tape_bsr(int fd, guint count) { return 0 == ioctl(fd, MTIOCTOP, &mt); } +gint tape_fileno(int fd) { + struct mtget get; + + if (0 != ioctl(fd, MTIOCGET, &get)) + return TAPE_POSITION_UNKNOWN; + if (get.mt_fileno < 0) + return TAPE_POSITION_UNKNOWN; + else + return get.mt_fileno; +} + gint tape_eod(int fd) { struct mtop mt; struct mtget get; @@ -131,83 +142,77 @@ gboolean tape_setcompression(int fd G_GNUC_UNUSED, #endif } -ReadLabelStatusFlags tape_is_tape_device(int fd) { +gboolean tape_offl(int fd) { + struct mtop mt; + int safe_errno; + + mt.mt_op = MTOFFL; + mt.mt_count = 1; + if (0 == ioctl(fd, MTIOCTOP, &mt)) + return TRUE; + + safe_errno = errno; + g_debug("tape_off: ioctl(MTIOCTOP/MTOFFL) failed: %s", strerror(errno)); + errno = safe_errno; + + return FALSE; +} + +DeviceStatusFlags tape_is_tape_device(int fd) { struct mtop mt; mt.mt_op = MTNOP; mt.mt_count = 1; if (0 == ioctl(fd, MTIOCTOP, &mt)) { - return READ_LABEL_STATUS_SUCCESS; + return DEVICE_STATUS_SUCCESS; +#ifdef ENOMEDIUM + } else if (errno == ENOMEDIUM) { + return DEVICE_STATUS_VOLUME_MISSING; +#endif } else { - dbprintf("tape_is_tape_device: ioctl(MTIOCTOP/MTNOP) failed: %s", + g_debug("tape_is_tape_device: ioctl(MTIOCTOP/MTNOP) failed: %s", strerror(errno)); if (errno == EIO) { /* some devices return EIO while the drive is busy loading */ - return READ_LABEL_STATUS_DEVICE_ERROR|READ_LABEL_STATUS_VOLUME_MISSING; + return DEVICE_STATUS_DEVICE_ERROR|DEVICE_STATUS_DEVICE_BUSY; } else { - return READ_LABEL_STATUS_DEVICE_ERROR; + return DEVICE_STATUS_DEVICE_ERROR; } } } -TapeCheckResult tape_is_ready(int fd) { +DeviceStatusFlags tape_is_ready(int fd, TapeDevice *t_self G_GNUC_UNUSED) { struct mtget get; if (0 == ioctl(fd, MTIOCGET, &get)) { -#if defined(GMT_DR_OPEN) - if (!GMT_DR_OPEN(get.mt_gstat)) { - return TAPE_CHECK_SUCCESS; +#if defined(GMT_ONLINE) || defined(GMT_DR_OPEN) + if (1 +#ifdef GMT_ONLINE + && (t_self->broken_gmt_online || GMT_ONLINE(get.mt_gstat)) +#endif +#ifdef GMT_DR_OPEN + && !GMT_DR_OPEN(get.mt_gstat) +#endif + ) { + return DEVICE_STATUS_SUCCESS; } else { - dbprintf("tape_is_read: ioctl(MTIOCGET) failed: %s", strerror(errno)); - return TAPE_CHECK_FAILURE; + return DEVICE_STATUS_VOLUME_MISSING; } #else /* Neither macro is defined. */ - return TAPE_CHECK_UNKNOWN; + return DEVICE_STATUS_SUCCESS; #endif } else { - return TAPE_CHECK_FAILURE; + return DEVICE_STATUS_VOLUME_ERROR; } } -void tape_device_discover_capabilities(TapeDevice * t_self) { - Device * self; - GValue val; - - self = DEVICE(t_self); - g_return_if_fail(self != NULL); - - bzero(&val, sizeof(val)); - g_value_init(&val, FEATURE_SUPPORT_FLAGS_TYPE); - - g_value_set_flags(&val, - FEATURE_STATUS_ENABLED | FEATURE_SURETY_BAD | - FEATURE_SOURCE_DEFAULT); - device_property_set(self, PROPERTY_FSF, &val); - - g_value_set_flags(&val, - FEATURE_STATUS_ENABLED | FEATURE_SURETY_BAD | - FEATURE_SOURCE_DEFAULT); - device_property_set(self, PROPERTY_BSF, &val); - - g_value_set_flags(&val, - FEATURE_STATUS_ENABLED | FEATURE_SURETY_BAD | - FEATURE_SOURCE_DEFAULT); - device_property_set(self, PROPERTY_FSR, &val); - - g_value_set_flags(&val, - FEATURE_STATUS_ENABLED | FEATURE_SURETY_BAD | - FEATURE_SOURCE_DEFAULT); - device_property_set(self, PROPERTY_BSR, &val); - - g_value_set_flags(&val, - FEATURE_STATUS_ENABLED | FEATURE_SURETY_BAD | - FEATURE_SOURCE_DEFAULT); - device_property_set(self, PROPERTY_EOM, &val); - - g_value_set_flags(&val, - FEATURE_STATUS_DISABLED | FEATURE_SURETY_BAD | - FEATURE_SOURCE_DEFAULT); - device_property_set(self, PROPERTY_BSF_AFTER_EOM, &val); - - g_value_unset_init(&val, G_TYPE_UINT); - g_value_set_uint(&val, 2); - device_property_set(self, PROPERTY_FINAL_FILEMARKS, &val); +void tape_device_detect_capabilities(TapeDevice * t_self) { + tape_device_set_capabilities(t_self, + TRUE, PROPERTY_SURETY_BAD, PROPERTY_SOURCE_DEFAULT, /* fsf*/ + DEFAULT_FSF_AFTER_FILEMARK, PROPERTY_SURETY_BAD, PROPERTY_SOURCE_DEFAULT, /* fsf_after_filemark*/ + TRUE, PROPERTY_SURETY_BAD, PROPERTY_SOURCE_DEFAULT, /* bsf*/ + TRUE, PROPERTY_SURETY_BAD, PROPERTY_SOURCE_DEFAULT, /* fsr*/ + TRUE, PROPERTY_SURETY_BAD, PROPERTY_SOURCE_DEFAULT, /* bsr*/ + TRUE, PROPERTY_SURETY_BAD, PROPERTY_SOURCE_DEFAULT, /* eom*/ + FALSE, PROPERTY_SURETY_BAD, PROPERTY_SOURCE_DEFAULT, /* bsf_after_eom*/ + 2, PROPERTY_SURETY_BAD, PROPERTY_SOURCE_DEFAULT /* final_filemarks*/ + ); }