X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=device-src%2Ftape-posix.c;fp=device-src%2Ftape-posix.c;h=0000000000000000000000000000000000000000;hb=b116e9366c7b2ea2c2eb53b0a13df4090e176235;hp=0fc30409bb0213104445a0d9b437c1e3f1b1fc12;hpb=fd48f3e498442f0cbff5f3606c7c403d0566150e;p=debian%2Famanda diff --git a/device-src/tape-posix.c b/device-src/tape-posix.c deleted file mode 100644 index 0fc3040..0000000 --- a/device-src/tape-posix.c +++ /dev/null @@ -1,218 +0,0 @@ -/* - * 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 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 - */ - -#include "amanda.h" -#include "util.h" -#include "tape-ops.h" -#include "property.h" -#include - -/* Having one name for every operation would be too easy. */ -#if !defined(MTCOMPRESSION) && defined(MTCOMP) -# define MTCOMPRESSION MTCOMP -#endif - -#if !defined(MTSETBLK) && defined(MTSETBSIZ) -# define MTSETBLK MTSETBSIZ -#endif - -#if !defined(MTEOM) && defined(MTEOD) -# define MTEOM MTEOD -#endif - -#ifdef HAVE_LIMITS_H -# include -#endif - -gboolean tape_rewind(int fd) { - int count = 5; - time_t stop_time; - - /* We will retry this for up to 30 seconds or 5 retries, - whichever is less, because some hardware/software combinations - (notably EXB-8200 on FreeBSD) can fail to rewind. */ - stop_time = time(NULL) + 30; - - while (--count >= 0 && time(NULL) < stop_time) { - struct mtop mt; - mt.mt_op = MTREW; - mt.mt_count = 1; - - if (0 == ioctl(fd, MTIOCTOP, &mt)) - return TRUE; - - sleep(3); - } - - return FALSE; -} - -gboolean tape_fsf(int fd, guint count) { - struct mtop mt; - mt.mt_op = MTFSF; - mt.mt_count = count; - return 0 == ioctl(fd, MTIOCTOP, &mt); -} - -gboolean tape_bsf(int fd, guint count) { - struct mtop mt; - mt.mt_op = MTBSF; - mt.mt_count = count; - return 0 == ioctl(fd, MTIOCTOP, &mt); -} - -gboolean tape_fsr(int fd, guint count) { - struct mtop mt; - mt.mt_op = MTFSR; - mt.mt_count = count; - return 0 == ioctl(fd, MTIOCTOP, &mt); -} - -gboolean tape_bsr(int fd, guint count) { - struct mtop mt; - mt.mt_op = MTBSR; - mt.mt_count = 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; - mt.mt_op = MTEOM; - mt.mt_count = 1; - if (0 != ioctl(fd, MTIOCTOP, &mt)) - return TAPE_OP_ERROR; - - /* Ignored result. This is just to flush buffers. */ - mt.mt_op = MTNOP; - ioctl(fd, MTIOCTOP, &mt); - - if (0 != ioctl(fd, MTIOCGET, &get)) - return TAPE_POSITION_UNKNOWN; - if (get.mt_fileno < 0) - return TAPE_POSITION_UNKNOWN; - else - return get.mt_fileno; -} - -gboolean tape_weof(int fd, guint8 count) { - struct mtop mt; - mt.mt_op = MTWEOF; - mt.mt_count = count; - return 0 == ioctl(fd, MTIOCTOP, &mt); -} - -gboolean tape_setcompression(int fd G_GNUC_UNUSED, - gboolean on G_GNUC_UNUSED) { -#ifdef MTCOMPRESSION - struct mtop mt; - mt.mt_op = MTCOMPRESSION; - mt.mt_count = on; - return 0 == ioctl(fd, MTIOCTOP, &mt); -#else - return 0; -#endif -} - -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 DEVICE_STATUS_SUCCESS; -#ifdef ENOMEDIUM - } else if (errno == ENOMEDIUM) { - return DEVICE_STATUS_VOLUME_MISSING; -#endif - } else { - 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 DEVICE_STATUS_DEVICE_ERROR|DEVICE_STATUS_DEVICE_BUSY; - } else { - return DEVICE_STATUS_DEVICE_ERROR; - } - } -} - -DeviceStatusFlags tape_is_ready(int fd, TapeDevice *t_self G_GNUC_UNUSED) { - struct mtget get; - if (0 == ioctl(fd, MTIOCGET, &get)) { -#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 { - return DEVICE_STATUS_VOLUME_MISSING; - } -#else /* Neither macro is defined. */ - return DEVICE_STATUS_SUCCESS; -#endif - } else { - return DEVICE_STATUS_VOLUME_ERROR; - } -} - -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*/ - ); -}