Second cut of drive switching during backup

[bacula/bacula] / bacula / src / stored / protos.h

diff --git a/bacula/src/stored/protos.h b/bacula/src/stored/protos.h
index 00b52d4771fe716ac89c5c7db7bf732677cbf634..c25b1f8d81fa75c932d7cec5ecf709cb5a28de4b 100644 (file)
--- a/bacula/src/stored/protos.h
+++ b/bacula/src/stored/protos.h
@@ -7,8 +7,8 @@
    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.
+   License as published by the Free Software Foundation and included
+   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
@@ -38,7 +38,8 @@ uint32_t new_VolSessionId();
 DCR     *acquire_device_for_append(DCR *dcr);
 bool     acquire_device_for_read(DCR *dcr);
 bool     release_device(DCR *dcr);
-DCR     *new_dcr(JCR *jcr, DEVICE *dev);
+bool     clean_device(DCR *dcr);
+DCR     *new_dcr(JCR *jcr, DCR *dcr, DEVICE *dev);
 void     free_dcr(DCR *dcr);
 void     detach_dcr_from_dev(DCR *dcr);
 
@@ -49,9 +50,9 @@ enum get_vol_info_rw {
 };
 bool    dir_get_volume_info(DCR *dcr, enum get_vol_info_rw);
 bool    dir_find_next_appendable_volume(DCR *dcr);
-bool    dir_update_volume_info(DCR *dcr, bool label);
+bool    dir_update_volume_info(DCR *dcr, bool label, bool update_LastWritten);
 bool    dir_ask_sysop_to_create_appendable_volume(DCR *dcr);
-bool    dir_ask_sysop_to_mount_volume(DCR *dcr);
+bool    dir_ask_sysop_to_mount_volume(DCR *dcr, int mode);
 bool    dir_update_file_attributes(DCR *dcr, DEV_RECORD *rec);
 bool    dir_send_job_status(JCR *jcr);
 bool    dir_create_jobmedia_record(DCR *dcr);
@@ -126,16 +127,10 @@ void    dvd_remove_empty_part(DCR *dcr);
 bool     open_device(DCR *dcr);
 bool     first_open_device(DCR *dcr);
 bool     fixup_device_block_write_error(DCR *dcr);
-void     _lock_device(const char *file, int line, DEVICE *dev);
-void     _unlock_device(const char *file, int line, DEVICE *dev);
-void     _block_device(const char *file, int line, DEVICE *dev, int state);
-void     _unblock_device(const char *file, int line, DEVICE *dev);
-void     _steal_device_lock(const char *file, int line, DEVICE *dev, bsteal_lock_t *hold, int state);
-void     _give_back_device_lock(const char *file, int line, DEVICE *dev, bsteal_lock_t *hold);
+void     set_start_vol_position(DCR *dcr);
 void     set_new_volume_parameters(DCR *dcr);
 void     set_new_file_parameters(DCR *dcr);
 bool     is_device_unmounted(DEVICE *dev);
-uint32_t get_jobid_from_tid();
 
 /* From dircmd.c */
 void     *handle_connection_request(void *arg);
@@ -171,6 +166,15 @@ void     dump_label_record(DEVICE *dev, DEV_RECORD *rec, int verbose);
 bool     unser_volume_label(DEVICE *dev, DEV_RECORD *rec);
 bool     unser_session_label(SESSION_LABEL *label, DEV_RECORD *rec);
 
+/* From locks.c */
+void     _lock_device(const char *file, int line, DEVICE *dev);
+void     _unlock_device(const char *file, int line, DEVICE *dev);
+void     _block_device(const char *file, int line, DEVICE *dev, int state);
+void     _unblock_device(const char *file, int line, DEVICE *dev);
+void     _steal_device_lock(const char *file, int line, DEVICE *dev, bsteal_lock_t *hold, int state);
+void     _give_back_device_lock(const char *file, int line, DEVICE *dev, bsteal_lock_t *hold);
+
+
 /* From match_bsr.c */
 int      match_bsr(BSR *bsr, DEV_RECORD *rec, VOLUME_LABEL *volrec,
               SESSION_LABEL *sesrec);
@@ -180,7 +184,7 @@ BSR     *find_next_bsr(BSR *root_bsr, DEVICE *dev);
 bool     is_this_bsr_done(BSR *bsr, DEV_RECORD *rec);
 
 /* From mount.c */
-bool     mount_next_write_volume(DCR *dcr, bool release);
+bool     mount_next_write_volume(DCR *dcr, bool have_vol, bool release);
 bool     mount_next_read_volume(DCR *dcr);
 void     mark_volume_in_error(DCR *dcr);
 
@@ -213,6 +217,8 @@ void    init_reservations_lock();
 void    term_reservations_lock();
 void    _lock_reservations();
 void    _unlock_reservations();
+void    _lock_volumes();
+void    _unlock_volumes();
 void    release_volume(DCR *dcr);
 VOLRES *reserve_volume(DCR *dcr, const char *VolumeName);
 VOLRES *find_volume(const char *VolumeName);
@@ -226,27 +232,49 @@ bool    is_volume_in_use(DCR *dcr);
 void    send_drive_reserve_messages(JCR *jcr, void sendit(const char *msg, int len, void *sarg), void *arg);
 bool    find_suitable_device_for_job(JCR *jcr, RCTX &rctx);
 int     search_res_for_device(RCTX &rctx);
-void    release_msgs(JCR *jcr);
+void    release_reserve_messages(JCR *jcr);
 
 extern int reservations_lock_count;
+extern int vol_list_lock_count;
 
 #ifdef  SD_DEBUG_LOCK
+
 #define lock_reservations() \
          do { Dmsg4(sd_dbglvl, "lock_reservations at %s:%d precnt=%d JobId=%u\n", \
               __FILE__, __LINE__, \
-              reservations_lock_count, get_jobid_from_tid()); \
+              reservations_lock_count, get_jobid_from_tid(pthread_self())); \
               _lock_reservations(); \
               Dmsg1(sd_dbglvl, "lock_reservations: got lock JobId=%u\n", \
-               get_jobid_from_tid()); \
+               get_jobid_from_tid(pthread_self())); \
          } while (0)
 #define unlock_reservations() \
          do { Dmsg4(sd_dbglvl, "unlock_reservations at %s:%d precnt=%d JobId=%u\n", \
               __FILE__, __LINE__, \
-              reservations_lock_count, get_jobid_from_tid()); \
+              reservations_lock_count, get_jobid_from_tid(pthread_self())); \
                    _unlock_reservations(); } while (0)
+
+#define lock_volumes() \
+         do { Dmsg4(sd_dbglvl, "lock_volumes at %s:%d precnt=%d JobId=%u\n", \
+              __FILE__, __LINE__, \
+              vol_list_lock_count, get_jobid_from_tid(pthread_self())); \
+              _lock_volumes(); \
+              Dmsg1(sd_dbglvl, "lock_volumes: got lock JobId=%u\n", \
+               get_jobid_from_tid(pthread_self())); \
+         } while (0)
+
+#define unlock_volumes() \
+         do { Dmsg4(sd_dbglvl, "unlock_volumes at %s:%d precnt=%d JobId=%u\n", \
+              __FILE__, __LINE__, \
+              vol_list_lock_count, get_jobid_from_tid(pthread_self())); \
+                   _unlock_volumes(); } while (0)
+
 #else
+
 #define lock_reservations() _lock_reservations()
 #define unlock_reservations() _unlock_reservations()
+#define lock_volumes() _lock_volumes()
+#define unlock_volumes() _unlock_volumes()
+
 #endif
 
 
@@ -264,4 +292,4 @@ void    list_spool_stats          (void sendit(const char *msg, int len, void *s
 
 /* From wait.c */
 int wait_for_sysop(DCR *dcr);
-bool wait_for_device(JCR *jcr, bool first);
+bool wait_for_device(JCR *jcr, int &retries);