/*
Bacula® - The Network Backup Solution
- Copyright (C) 2000-2008 Free Software Foundation Europe e.V.
+ Copyright (C) 2000-2009 Free Software Foundation Europe e.V.
The main author of Bacula is Kern Sibbald, with contributions from
many others, a complete list can be found in the file AUTHORS.
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- Bacula® is a registered trademark of John Walker.
+ Bacula® is a registered trademark of Kern Sibbald.
The licensor of Bacula is the Free Software Foundation Europe
(FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
Switzerland, email:ftf@fsfeurope.org.
B_TAPE_DEV,
B_DVD_DEV,
B_FIFO_DEV,
- B_VTAPE_DEV, /* change to B_TAPE_DEV after init */
+ B_VTAPE_DEV, /* change to B_TAPE_DEV after init */
B_VTL_DEV
};
#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 */
+#define CAP_BLOCKCHECKSUM (1<<23) /* Create/test block checksum */
/* Test state */
#define dev_state(dev, st_state) ((dev)->state & (st_state))
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 */
+ int m_num_reserved; /* counter of device reservations */
+ int32_t m_slot; /* slot loaded in drive or -1 if none */
pthread_t m_pid; /* Thread that locked -- DEBUG only */
bool m_unload; /* set when Volume must be unloaded */
bool m_load; /* set when Volume must be loaded */
- int m_num_reserved; /* counter of device reservations */
- int32_t m_slot; /* slot loaded in drive or -1 if none */
public:
DEVICE * volatile swap_dev; /* Swap vol from this device */
dlist *attached_dcrs; /* attached DCR list */
pthread_mutex_t m_mutex; /* access control */
pthread_mutex_t spool_mutex; /* mutex for updating spool_size */
+ pthread_mutex_t acquire_mutex; /* mutex for acquire code */
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 */
uint32_t max_block_size; /* max 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 max_concurrent_jobs; /* maximum simultaneous jobs this drive */
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 */
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 */
+ char UnloadVolName[MAX_NAME_LENGTH]; /* Last wrong Volume mounted */
bool poll; /* set to poll Volume */
+ /* Device wait times ***FIXME*** look at durations */
int min_wait;
int max_wait;
int max_num_wait;
int has_cap(int cap) const { return capabilities & cap; }
void clear_cap(int cap) { capabilities &= ~cap; }
void set_cap(int cap) { capabilities |= cap; }
+ bool do_checksum() const { return (capabilities & CAP_BLOCKCHECKSUM) != 0; }
int is_autochanger() const { return capabilities & CAP_AUTOCHANGER; }
int requires_mount() const { return capabilities & CAP_REQMOUNT; }
int is_removable() const { return capabilities & CAP_REM; }
void set_part_spooled(int val) { if (val) state |= ST_PART_SPOOLED; \
else state &= ~ST_PART_SPOOLED;
};
- void set_unload() { m_unload = true; };
+ bool is_volume_to_unload() const { \
+ return m_unload && strcmp(VolHdr.VolumeName, UnloadVolName) == 0; };
void set_load() { m_load = true; };
void inc_reserved() { m_num_reserved++; }
void set_mounted(int val) { if (val) state |= ST_MOUNTED; \
void clear_media() { state &= ~ST_MEDIA; };
void clear_short_block() { state &= ~ST_SHORT; };
void clear_freespace_ok() { state &= ~ST_FREESPACE_OK; };
- void clear_unload() { m_unload = false; };
+ void clear_unload() { m_unload = false; UnloadVolName[0] = 0; };
void clear_load() { m_load = false; };
char *bstrerror(void) { return errmsg; };
char *print_errmsg() { return errmsg; };
int32_t get_slot() const { return m_slot; };
-
+ void set_unload(); /* in dev.c */
void clear_volhdr(); /* in dev.c */
void close(); /* in dev.c */
void close_part(DCR *dcr); /* in dev.c */
/* low level operations */
void init_backend();
int (*d_open)(const char *pathname, int flags, ...);
- int (*d_read)(int fd, void *buffer, unsigned int count);
- int (*d_write)(int fd, const void *buffer, unsigned int count);
int (*d_close)(int fd);
- int (*d_ioctl)(int fd, unsigned long int request, ...);
+ int (*d_ioctl)(int fd, ioctl_req_t request, ...);
+ ssize_t (*d_read)(int fd, void *buffer, size_t count);
+ ssize_t (*d_write)(int fd, const void *buffer, size_t count);
/*
* Locking and blocking calls
*/
#ifdef SD_DEBUG_LOCK
- void _r_dlock(const char *, int); /* in lock.c */
+ void _r_dlock(const char *, int, bool locked=false); /* in lock.c */
void _r_dunlock(const char *, int); /* in lock.c */
void _dlock(const char *, int); /* in lock.c */
void _dunlock(const char *, int); /* in lock.c */
#else
- void r_dlock(); /* in lock.c */
+ void r_dlock(bool locked=false); /* in lock.c */
void r_dunlock() { dunlock(); }
void dlock() { P(m_mutex); }
void dunlock() { V(m_mutex); }
#endif
void dblock(int why); /* in lock.c */
void dunblock(bool locked=false); /* in lock.c */
+ bool is_device_unmounted(); /* in lock.c */
void set_blocked(int block) { m_blocked = block; };
int blocked() const { return m_blocked; };
bool is_blocked() const { return m_blocked != BST_NOT_BLOCKED; };
void clear_found_in_use() { m_found_in_use = false; };
bool is_reserved() const { return m_reserved; };
bool is_dev_locked() { return m_dev_locked; }
+#ifdef SD_DEBUG_LOCK
+ void _dlock(const char *, int); /* in lock.c */
+ void _dunlock(const char *, int); /* in lock.c */
+#else
void dlock() { dev->dlock(); m_dev_locked = true; }
void dunlock() { m_dev_locked = false; dev->dunlock(); }
+#endif
void dblock(int why) { dev->dblock(why); }
void clear_reserved();
void set_reserved();
void unreserve_device();
+
+ /* Methods in vol_mgr.c */
bool can_i_use_volume();
+ bool can_i_write_volume();
/* Methods in mount.c */
bool mount_next_write_volume();
void mark_volume_in_error();
void mark_volume_not_inchanger();
int try_autolabel(bool opened);
+ bool find_a_volume();
bool is_suitable_volume_mounted();
bool is_eod_valid();
int check_volume_label(bool &ask, bool &autochanger);
void release_volume();
void do_swapping(bool is_writing);
+ bool do_unload();
+ bool do_load(bool is_writing);
bool is_tape_position_ok();
};
bool m_swapping; /* set when swapping to another drive */
bool m_in_use; /* set when volume reserved or in use */
int32_t m_slot; /* slot of swapping volume */
+ uint32_t m_JobId; /* JobId for read volumes */
public:
dlink link;
char *vol_name; /* Volume name */
void set_slot(int32_t slot) { m_slot = slot; };
void clear_slot() { m_slot = -1; };
int32_t get_slot() const { return m_slot; };
+ uint32_t get_jobid() const { return m_JobId; };
+ void set_jobid(uint32_t JobId) { m_JobId = JobId; };
};