/*
- * Definitions for using the Device functions in Bacula
- * Tape and File storage access
- *
- * Version $Id$
- *
- */
-/*
- Copyright (C) 2000-2004 Kern Sibbald and John Walker
+ Bacula® - The Network Backup Solution
+
+ Copyright (C) 2000-2007 Free Software Foundation Europe e.V.
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
+ The main author of Bacula is Kern Sibbald, with contributions from
+ many others, a complete list can be found in the file AUTHORS.
+ This program is Free Software; you can redistribute it and/or
+ modify it under the terms of version two of the GNU General Public
+ License as published by the Free Software Foundation plus additions
+ that are listed in the file LICENSE.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
+ 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.
+ 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+ Bacula® is a registered trademark of John Walker.
+ The licensor of Bacula is the Free Software Foundation Europe
+ (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+ Switzerland, email:ftf@fsfeurope.org.
+*/
+/*
+ * Definitions for using the Device functions in Bacula
+ * Tape and File storage access
+ *
+ * Kern Sibbald, MM
+ *
+ * Version $Id$
+ *
*/
#ifndef __DEV_H
#define __DEV_H 1
-/* #define NEW_LOCK 1 */
+#ifdef SD_DEBUG_LOCK
+#define r_dlock() _r_dlock(__FILE__, __LINE__); /* in device.c */
+#define r_dunlock() _r_dunlock(__FILE__, __LINE__); /* in device.c */
+#define dlock() _dlock(__FILE__, __LINE__); /* in device.c */
+#define dunlock() _dunlock(__FILE__, __LINE__); /* in device.c */
+#endif
-#define new_lock_device(dev) _new_lock_device(__FILE__, __LINE__, (dev))
-#define new_lock_device_state(dev,state) _new_lock_device(__FILE__, __LINE__, (dev), (state))
-#define new_unlock_device(dev) _new_unlock_device(__FILE__, __LINE__, (dev))
+#undef DCR /* used by Bacula */
-#define lock_device(d) _lock_device(__FILE__, __LINE__, (d))
-#define unlock_device(d) _unlock_device(__FILE__, __LINE__, (d))
#define block_device(d, s) _block_device(__FILE__, __LINE__, (d), s)
#define unblock_device(d) _unblock_device(__FILE__, __LINE__, (d))
#define steal_device_lock(d, p, s) _steal_device_lock(__FILE__, __LINE__, (d), (p), s)
#define give_back_device_lock(d, p) _give_back_device_lock(__FILE__, __LINE__, (d), (p))
+/* Return values from wait_for_sysop() */
+enum {
+ W_ERROR = 1,
+ W_TIMEOUT,
+ W_POLL,
+ W_MOUNT,
+ W_WAKE
+};
+
/* Arguments to open_dev() */
-#define READ_WRITE 0
-#define READ_ONLY 1
-#define OPEN_READ_WRITE 0
-#define OPEN_READ_ONLY 1
-#define OPEN_WRITE_ONLY 2
+enum {
+ CREATE_READ_WRITE = 1,
+ OPEN_READ_WRITE,
+ OPEN_READ_ONLY,
+ OPEN_WRITE_ONLY
+};
+
+/* Device types */
+enum {
+ B_FILE_DEV = 1,
+ B_TAPE_DEV,
+ B_DVD_DEV,
+ B_FIFO_DEV,
+ B_PROG_DEV
+};
/* Generic status bits returned from status_dev() */
#define BMT_TAPE (1<<0) /* is tape device */
#define BMT_IM_REP_EN (1<<9) /* immediate report enabled */
-/* Test capabilities */
-#define dev_cap(dev, cap) ((dev)->capabilities & (cap))
-
/* Bits for device capabilities */
#define CAP_EOF (1<<0) /* has MTWEOF */
#define CAP_BSR (1<<1) /* has MTBSR */
#define CAP_FASTFSF (1<<16) /* Fast forward space file */
#define CAP_TWOEOF (1<<17) /* Write two eofs for EOM */
#define CAP_CLOSEONPOLL (1<<18) /* Close device on polling */
+#define CAP_POSITIONBLOCKS (1<<19) /* Use block positioning */
+#define CAP_MTIOCGET (1<<20) /* Basic support for fileno and blkno */
+#define CAP_REQMOUNT (1<<21) /* Require mount to read files back (typically: DVD) */
+#define CAP_CHECKLABELS (1<<22) /* Check for ANSI/IBM labels */
/* Test state */
#define dev_state(dev, st_state) ((dev)->state & (st_state))
/* Device state bits */
-#define ST_OPENED (1<<0) /* set when device opened */
-#define ST_TAPE (1<<1) /* is a tape device */
-#define ST_FILE (1<<2) /* is a file device */
-#define ST_FIFO (1<<3) /* is a fifo device */
-#define ST_PROG (1<<4) /* is a program device */
-#define ST_LABEL (1<<5) /* label found */
-#define ST_MALLOC (1<<6) /* dev packet malloc'ed in init_dev() */
-#define ST_APPEND (1<<7) /* ready for Bacula append */
-#define ST_READ (1<<8) /* ready for Bacula read */
-#define ST_EOT (1<<9) /* at end of tape */
-#define ST_WEOT (1<<10) /* Got EOT on write */
-#define ST_EOF (1<<11) /* Read EOF i.e. zero bytes */
-#define ST_NEXTVOL (1<<12) /* Start writing on next volume */
-#define ST_SHORT (1<<13) /* Short block read */
-
-/* dev_blocked states (mutually exclusive) */
-#define BST_NOT_BLOCKED 0 /* not blocked */
-#define BST_UNMOUNTED 1 /* User unmounted device */
-#define BST_WAITING_FOR_SYSOP 2 /* Waiting for operator to mount tape */
-#define BST_DOING_ACQUIRE 3 /* Opening/validating/moving tape */
-#define BST_WRITING_LABEL 4 /* Labeling a tape */
-#define BST_UNMOUNTED_WAITING_FOR_SYSOP 5 /* Closed by user during mount request */
-#define BST_MOUNT 6 /* Mount request */
+#define ST_XXXXXX (1<<0) /* was ST_OPENED */
+#define ST_XXXXX (1<<1) /* was ST_TAPE */
+#define ST_XXXX (1<<2) /* was ST_FILE */
+#define ST_XXX (1<<3) /* was ST_FIFO */
+#define ST_XX (1<<4) /* was ST_DVD */
+#define ST_X (1<<5) /* was ST_PROG */
+
+#define ST_LABEL (1<<6) /* label found */
+#define ST_MALLOC (1<<7) /* dev packet malloc'ed in init_dev() */
+#define ST_APPEND (1<<8) /* ready for Bacula append */
+#define ST_READ (1<<9) /* ready for Bacula read */
+#define ST_EOT (1<<10) /* at end of tape */
+#define ST_WEOT (1<<11) /* Got EOT on write */
+#define ST_EOF (1<<12) /* Read EOF i.e. zero bytes */
+#define ST_NEXTVOL (1<<13) /* Start writing on next volume */
+#define ST_SHORT (1<<14) /* Short block read */
+#define ST_MOUNTED (1<<15) /* the device is mounted to the mount point */
+#define ST_MEDIA (1<<16) /* Media found in mounted device */
+#define ST_OFFLINE (1<<17) /* set offline by operator */
+#define ST_PART_SPOOLED (1<<18) /* spooling part */
+#define ST_FREESPACE_OK (1<<19) /* Have valid freespace for DVD */
+
+/* m_blocked states (mutually exclusive) */
+enum {
+ BST_NOT_BLOCKED = 0, /* not blocked */
+ BST_UNMOUNTED, /* User unmounted device */
+ BST_WAITING_FOR_SYSOP, /* Waiting for operator to mount tape */
+ BST_DOING_ACQUIRE, /* Opening/validating/moving tape */
+ BST_WRITING_LABEL, /* Labeling a tape */
+ BST_UNMOUNTED_WAITING_FOR_SYSOP, /* User unmounted during wait for op */
+ BST_MOUNT /* Mount request */
+};
/* Volume Catalog Information structure definition */
struct VOLUME_CAT_INFO {
uint32_t VolCatFiles; /* Number of files */
uint32_t VolCatBlocks; /* Number of blocks */
uint64_t VolCatBytes; /* Number of bytes written */
+ uint32_t VolCatParts; /* Number of parts written */
uint32_t VolCatMounts; /* Number of mounts this volume */
uint32_t VolCatErrors; /* Number of errors this volume */
uint32_t VolCatWrites; /* Number of writes this volume */
uint32_t VolCatReads; /* Number of reads this volume */
uint64_t VolCatRBytes; /* Number of bytes read */
uint32_t VolCatRecycles; /* Number of recycles this volume */
- int32_t Slot; /* Slot in changer */
- bool InChanger; /* Set if vol in current magazine */
+ uint32_t EndFile; /* Last file number */
+ uint32_t EndBlock; /* Last block number */
+ int32_t LabelType; /* Bacula/ANSI/IBM */
+ int32_t Slot; /* >0=Slot loaded, 0=nothing, -1=unknown */
uint32_t VolCatMaxJobs; /* Maximum Jobs to write to volume */
uint32_t VolCatMaxFiles; /* Maximum files to write to volume */
uint64_t VolCatMaxBytes; /* Max bytes to write to volume */
uint64_t VolCatCapacityBytes; /* capacity estimate */
- uint64_t VolReadTime; /* time spent reading */
- uint64_t VolWriteTime; /* time spent writing this Volume */
+ btime_t VolReadTime; /* time spent reading */
+ btime_t VolWriteTime; /* time spent writing this Volume */
+ int64_t VolMediaId; /* MediaId */
+ utime_t VolFirstWritten; /* Time of first write */
+ bool InChanger; /* Set if vol in current magazine */
char VolCatStatus[20]; /* Volume status */
char VolCatName[MAX_NAME_LENGTH]; /* Desired volume to mount */
-};
+};
typedef struct s_steal_lock {
- pthread_t no_wait_id; /* id of no wait thread */
- int dev_blocked; /* state */
- int dev_prev_blocked; /* previous blocked state */
+ pthread_t no_wait_id; /* id of no wait thread */
+ int dev_blocked; /* state */
+ int dev_prev_blocked; /* previous blocked state */
} bsteal_lock_t;
-struct DEVRES; /* Device resource defined in stored_conf.h */
+class DEVRES; /* Device resource defined in stored_conf.h */
+
+class DCR; /* forward reference */
+class VOLRES; /* forward reference */
+
+/*
+ * Used in unblock() call
+ */
+enum {
+ dev_locked = true,
+ dev_unlocked = false
+};
-/* Device structure definition */
-struct DEVICE {
+/*
+ * Device structure definition. There is one of these for
+ * each physical device. Everything here is "global" to
+ * that device and effects all jobs using the device.
+ */
+class DEVICE {
+private:
+ int m_fd; /* file descriptor */
+ int m_blocked; /* set if we must wait (i.e. change tape) */
+ int m_count; /* Mutex use count -- DEBUG only */
+ pthread_t m_pid; /* Thread that locked -- DEBUG only */
public:
- DEVICE *next; /* pointer to next open device */
- DEVICE *prev; /* pointer to prev open device */
- JCR *attached_jcrs; /* attached JCR list */
- pthread_mutex_t mutex; /* access control */
+ dlist *attached_dcrs; /* attached DCR list */
+ pthread_mutex_t m_mutex; /* access control */
+ pthread_mutex_t spool_mutex; /* mutex for updating spool_size */
pthread_cond_t wait; /* thread wait variable */
pthread_cond_t wait_next_vol; /* wait for tape to be mounted */
pthread_t no_wait_id; /* this thread must not wait */
- int dev_blocked; /* set if we must wait (i.e. change tape) */
int dev_prev_blocked; /* previous blocked state */
int num_waiting; /* number of threads waiting */
int num_writers; /* number of writing threads */
- int use_count; /* usage count on this device */
- int fd; /* file descriptor */
+ int reserved_device; /* number of device reservations */
+
+ /* New access control in process of being implemented */
+// brwlock_t xlock; /* New mutual exclusion lock */
+
int capabilities; /* capabilities mask */
int state; /* state mask */
int dev_errno; /* Our own errno */
int mode; /* read/write modes */
- char *dev_name; /* device name */
+ int openmode; /* parameter passed to open_dev (useful to reopen the device) */
+ int dev_type; /* device type */
+ bool autoselect; /* Autoselect in autochanger */
+ int label_type; /* Bacula/ANSI/IBM label types */
+ uint32_t drive_index; /* Autochanger drive index (base 0) */
+ int32_t Slot; /* Slot currently in drive (base 1) */
+ POOLMEM *dev_name; /* Physical device name */
+ POOLMEM *prt_name; /* Name used for display purposes */
char *errmsg; /* nicely edited error message */
uint32_t block_num; /* current block number base 0 */
uint32_t file; /* current file number base 0 */
uint64_t file_addr; /* Current file read/write address */
+ uint64_t file_size; /* Current file size */
uint32_t EndBlock; /* last block written */
uint32_t EndFile; /* last file written */
uint32_t min_block_size; /* min block size */
uint64_t max_volume_size; /* max bytes to put on one volume */
uint64_t max_file_size; /* max file size to put in one file on volume */
uint64_t volume_capacity; /* advisory capacity */
+ uint64_t max_spool_size; /* maximum spool file size */
+ uint64_t spool_size; /* current spool size for this device */
uint32_t max_rewind_wait; /* max secs to allow for rewind */
uint32_t max_open_wait; /* max secs to allow for open */
uint32_t max_open_vols; /* max simultaneous open volumes */
+
+ uint64_t max_part_size; /* max part size */
+ uint64_t part_size; /* current part size */
+ uint32_t part; /* current part number (starts at 0) */
+ uint64_t part_start; /* current part start address (relative to the whole volume) */
+ uint32_t num_dvd_parts; /* number of parts WRITTEN on the DVD */
+ /* state ST_FREESPACE_OK is set if free_space is valid */
+ uint64_t free_space; /* current free space on medium (without the current part) */
+ int free_space_errno; /* indicates errno getting freespace */
+ bool truncating; /* if set, we are currently truncating the DVD */
+ bool blank_dvd; /* if set, we have a blank DVD in the drive */
+
+
utime_t vol_poll_interval; /* interval between polling Vol mount */
DEVRES *device; /* pointer to Device Resource */
- btimer_id tid; /* timer id */
+ VOLRES *vol; /* Pointer to Volume reservation item */
+ btimer_t *tid; /* timer id */
VOLUME_CAT_INFO VolCatInfo; /* Volume Catalog Information */
VOLUME_LABEL VolHdr; /* Actual volume label */
-
+ char pool_name[MAX_NAME_LENGTH]; /* pool name */
+ char pool_type[MAX_NAME_LENGTH]; /* pool type */
+
/* Device wait times ***FIXME*** look at durations */
char BadVolName[MAX_NAME_LENGTH]; /* Last wrong Volume mounted */
bool poll; /* set to poll Volume */
int wait_sec;
int rem_wait_sec;
int num_wait;
+
+ btime_t last_timer; /* used by read/write/seek to get stats (usec) */
+ btime_t last_tick; /* contains last read/write time (usec) */
+
+ btime_t DevReadTime;
+ btime_t DevWriteTime;
+ uint64_t DevWriteBytes;
+ uint64_t DevReadBytes;
+
+ /* Methods */
+ btime_t get_timer_count(); /* return the last timer interval (ms) */
+
+ int has_cap(int cap) const { return capabilities & cap; }
+ void clear_cap(int cap) { capabilities &= ~cap; }
+ void set_cap(int cap) { capabilities |= cap; }
+ int is_autochanger() const { return capabilities & CAP_AUTOCHANGER; }
+ int requires_mount() const { return capabilities & CAP_REQMOUNT; }
+ int is_removable() const { return capabilities & CAP_REM; }
+ int is_tape() const { return dev_type == B_TAPE_DEV; }
+ int is_file() const { return dev_type == B_FILE_DEV; }
+ int is_fifo() const { return dev_type == B_FIFO_DEV; }
+ int is_dvd() const { return dev_type == B_DVD_DEV; }
+ int is_prog() const { return dev_type == B_PROG_DEV; }
+ int is_open() const { return m_fd >= 0; }
+ int is_offline() const { return state & ST_OFFLINE; }
+ int is_labeled() const { return state & ST_LABEL; }
+ int is_mounted() const { return state & ST_MOUNTED; }
+ int is_part_spooled() const { return state & ST_PART_SPOOLED; }
+ int have_media() const { return state & ST_MEDIA; }
+ int is_short_block() const { return state & ST_SHORT; }
+ int is_busy() const { return (state & ST_READ) || num_writers || reserved_device; }
+ int at_eof() const { return state & ST_EOF; }
+ int at_eot() const { return state & ST_EOT; }
+ int at_weot() const { return state & ST_WEOT; }
+ int can_append() const { return state & ST_APPEND; }
+ int is_freespace_ok() const { return state & ST_FREESPACE_OK; }
+ /*
+ * can_write() is meant for checking at the end of a job to see
+ * if we still have a tape (perhaps not if at end of tape
+ * and the job is canceled).
+ */
+ int can_write() const { return is_open() && can_append() &&
+ is_labeled() && !at_weot(); }
+ int can_read() const { return state & ST_READ; }
+ bool can_steal_lock() const { return m_blocked &&
+ (m_blocked == BST_UNMOUNTED ||
+ m_blocked == BST_WAITING_FOR_SYSOP ||
+ m_blocked == BST_UNMOUNTED_WAITING_FOR_SYSOP); };
+ bool waiting_for_mount() const { return
+ (m_blocked == BST_UNMOUNTED ||
+ m_blocked == BST_WAITING_FOR_SYSOP ||
+ m_blocked == BST_UNMOUNTED_WAITING_FOR_SYSOP); };
+ const char *strerror() const;
+ const char *archive_name() const;
+ const char *name() const;
+ const char *print_name() const; /* Name for display purposes */
+ void set_ateof(); /* in dev.c */
+ void set_ateot(); /* in dev.c */
+ void set_eot() { state |= ST_EOT; };
+ void set_eof() { state |= ST_EOF; };
+ void set_append() { state |= ST_APPEND; };
+ void set_labeled() { state |= ST_LABEL; };
+ inline void set_read() { state |= ST_READ; };
+ void set_offline() { state |= ST_OFFLINE; };
+ void set_mounted() { state |= ST_MOUNTED; };
+ void set_media() { state |= ST_MEDIA; };
+ void set_short_block() { state |= ST_SHORT; };
+ void set_freespace_ok() { state |= ST_FREESPACE_OK; }
+ void set_part_spooled(int val) { if (val) state |= ST_PART_SPOOLED; \
+ else state &= ~ST_PART_SPOOLED;
+ };
+ void set_mounted(int val) { if (val) state |= ST_MOUNTED; \
+ else state &= ~ST_MOUNTED; };
+ void clear_append() { state &= ~ST_APPEND; };
+ void clear_read() { state &= ~ST_READ; };
+ void clear_labeled() { state &= ~ST_LABEL; };
+ void clear_offline() { state &= ~ST_OFFLINE; };
+ void clear_eot() { state &= ~ST_EOT; };
+ void clear_eof() { state &= ~ST_EOF; };
+ void clear_opened() { m_fd = -1; };
+ void clear_mounted() { state &= ~ST_MOUNTED; };
+ void clear_media() { state &= ~ST_MEDIA; };
+ void clear_short_block() { state &= ~ST_SHORT; };
+ void clear_freespace_ok() { state &= ~ST_FREESPACE_OK; };
+ char *bstrerror(void) { return errmsg; };
+ char *print_errmsg() { return errmsg; };
+
+#ifdef SD_DEBUG_LOCK
+ void _r_dlock(const char *, int); /* in device.c */
+ void _r_dunlock(const char *, int); /* in device.c */
+ void _dlock(const char *, int); /* in device.c */
+ void _dunlock(const char *, int); /* in device.c */
+#else
+ void r_dlock(); /* in device.c */
+ void r_dunlock(); /* in device.c */
+ void dlock() { P(m_mutex); }
+ void dunlock() { V(m_mutex); }
+#endif
+
+ void clear_volhdr(); /* in dev.c */
+ void block(int why); /* in dev.c */
+ void unblock(bool locked=false); /* in dev.c */
+ void close(); /* in dev.c */
+ void close_part(DCR *dcr); /* in dev.c */
+ bool truncate(DCR *dcr); /* in dev.c */
+ int open(DCR *dcr, int mode); /* in dev.c */
+ void term(void); /* in dev.c */
+ ssize_t read(void *buf, size_t len); /* in dev.c */
+ ssize_t write(const void *buf, size_t len); /* in dev.c */
+ bool rewind(DCR *dcr); /* in dev.c */
+ bool mount(int timeout); /* in dev.c */
+ bool unmount(int timeout); /* in dev.c */
+ void edit_mount_codes(POOL_MEM &omsg, const char *imsg); /* in dev.c */
+ bool offline_or_rewind(); /* in dev.c */
+ bool offline(); /* in dev.c */
+ bool bsf(int count); /* in dev.c */
+ bool eod(DCR *dcr); /* in dev.c */
+ bool fsr(int num); /* in dev.c */
+ bool fsf(int num); /* in dev.c */
+ bool bsr(int num); /* in dev.c */
+ bool weof(int num); /* in dev.c */
+ void lock_door(); /* in dev.c */
+ void unlock_door(); /* in dev.c */
+ int32_t get_os_tape_file(); /* in dev.c */
+ bool scan_dir_for_volume(DCR *dcr); /* in scan.c */
+ bool reposition(DCR *dcr, uint32_t rfile, uint32_t rblock); /* in dev.c */
+ void clrerror(int func); /* in dev.c */
+ boffset_t lseek(DCR *dcr, boffset_t offset, int whence); /* in dev.c */
+ bool update_pos(DCR *dcr); /* in dev.c */
+ bool update_freespace(); /* in dvd.c */
+
+ void set_blocked(int block) { m_blocked = block; };
+ int blocked() const { return m_blocked; };
+ uint32_t get_file() const { return file; };
+ uint32_t get_block() const { return block_num; };
+ const char *print_blocked() const; /* in dev.c */
+ bool is_blocked() const { return m_blocked != BST_NOT_BLOCKED; };
+ int fd() const { return m_fd; };
+
+private:
+ bool do_mount(int mount, int timeout); /* in dev.c */
+ void set_mode(int omode); /* in dev.c */
+ void open_tape_device(DCR *dcr, int omode); /* in dev.c */
+ void open_file_device(DCR *dcr, int omode); /* in dev.c */
+ void open_dvd_device(DCR *dcr, int omode); /* in dev.c */
+};
+
+inline const char *DEVICE::strerror() const { return errmsg; }
+inline const char *DEVICE::archive_name() const { return dev_name; }
+inline const char *DEVICE::print_name() const { return prt_name; }
+
+/*
+ * Device Context (or Control) Record.
+ * There is one of these records for each Job that is using
+ * the device. Items in this record are "local" to the Job and
+ * do not affect other Jobs. Note, a job can have multiple
+ * DCRs open, each pointing to a different device.
+ */
+class DCR {
+public:
+ dlink dev_link; /* link to attach to dev */
+ JCR *jcr; /* pointer to JCR */
+ DEVICE *dev; /* pointer to device */
+ DEVRES *device; /* pointer to device resource */
+ DEV_BLOCK *block; /* pointer to block */
+ DEV_RECORD *rec; /* pointer to record */
+ pthread_t tid; /* Thread running this dcr */
+ int spool_fd; /* fd if spooling */
+ bool spool_data; /* set to spool data */
+ bool spooling; /* set when actually spooling */
+ bool despooling; /* set when despooling */
+ bool despool_wait; /* waiting for despooling */
+ bool dev_locked; /* set if dev already locked */
+ bool NewVol; /* set if new Volume mounted */
+ bool WroteVol; /* set if Volume written */
+ bool NewFile; /* set when EOF written */
+ bool reserved_device; /* set if reserve done */
+ bool any_volume; /* Any OK for dir_find_next... */
+ bool attached_to_dev; /* set when attached to dev */
+ uint32_t VolFirstIndex; /* First file index this Volume */
+ uint32_t VolLastIndex; /* Last file index this Volume */
+ uint32_t FileIndex; /* Current File Index */
+ uint32_t EndFile; /* End file written */
+ uint32_t StartFile; /* Start write file */
+ uint32_t StartBlock; /* Start write block */
+ uint32_t EndBlock; /* Ending block written */
+ int64_t job_spool_size; /* Current job spool size */
+ int64_t max_job_spool_size; /* Max job spool size */
+ char VolumeName[MAX_NAME_LENGTH]; /* Volume name */
+ char pool_name[MAX_NAME_LENGTH]; /* pool name */
+ char pool_type[MAX_NAME_LENGTH]; /* pool type */
+ char media_type[MAX_NAME_LENGTH]; /* media type */
+ char dev_name[MAX_NAME_LENGTH]; /* dev name */
+ int Copy; /* identical copy number */
+ int Stripe; /* RAIT stripe */
+ VOLUME_CAT_INFO VolCatInfo; /* Catalog info for desired volume */
+};
+
+/*
+ * Volume reservation class -- see reserve.c
+ */
+class VOLRES {
+public:
+ dlink link;
+ char *vol_name;
+ DEVICE *dev;
};