2 Bacula® - The Network Backup Solution
4 Copyright (C) 2000-2007 Free Software Foundation Europe e.V.
6 The main author of Bacula is Kern Sibbald, with contributions from
7 many others, a complete list can be found in the file AUTHORS.
8 This program is Free Software; you can redistribute it and/or
9 modify it under the terms of version two of the GNU General Public
10 License as published by the Free Software Foundation and included
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
23 Bacula® is a registered trademark of John Walker.
24 The licensor of Bacula is the Free Software Foundation Europe
25 (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
26 Switzerland, email:ftf@fsfeurope.org.
29 * Protypes for stored -- Kern Sibbald MM
35 uint32_t new_VolSessionId();
38 DCR *acquire_device_for_append(DCR *dcr);
39 bool acquire_device_for_read(DCR *dcr);
40 bool release_device(DCR *dcr);
41 bool clean_device(DCR *dcr);
42 DCR *new_dcr(JCR *jcr, DCR *dcr, DEVICE *dev);
43 void free_dcr(DCR *dcr);
44 void detach_dcr_from_dev(DCR *dcr);
47 enum get_vol_info_rw {
48 GET_VOL_INFO_FOR_WRITE,
51 bool dir_get_volume_info(DCR *dcr, enum get_vol_info_rw);
52 bool dir_find_next_appendable_volume(DCR *dcr);
53 bool dir_update_volume_info(DCR *dcr, bool label, bool update_LastWritten);
54 bool dir_ask_sysop_to_create_appendable_volume(DCR *dcr);
55 bool dir_ask_sysop_to_mount_volume(DCR *dcr);
56 bool dir_update_file_attributes(DCR *dcr, DEV_RECORD *rec);
57 bool dir_send_job_status(JCR *jcr);
58 bool dir_create_jobmedia_record(DCR *dcr);
59 bool dir_update_device(JCR *jcr, DEVICE *dev);
60 bool dir_update_changer(JCR *jcr, AUTOCHANGER *changer);
63 int authenticate_director(JCR *jcr);
64 int authenticate_filed(JCR *jcr);
66 /* From autochanger.c */
67 bool init_autochangers();
68 int autoload_device(DCR *dcr, int writing, BSOCK *dir);
69 bool autochanger_cmd(DCR *dcr, BSOCK *dir, const char *cmd);
70 bool unload_autochanger(DCR *dcr, int loaded);
71 char *edit_device_codes(DCR *dcr, char *omsg, const char *imsg, const char *cmd);
72 int get_autochanger_loaded_slot(DCR *dcr);
75 void dump_block(DEV_BLOCK *b, const char *msg);
76 DEV_BLOCK *new_block(DEVICE *dev);
77 DEV_BLOCK *dup_block(DEV_BLOCK *eblock);
78 void init_block_write(DEV_BLOCK *block);
79 void empty_block(DEV_BLOCK *block);
80 void free_block(DEV_BLOCK *block);
81 bool write_block_to_device(DCR *dcr);
82 bool write_block_to_dev(DCR *dcr);
83 void print_block_read_errors(JCR *jcr, DEV_BLOCK *block);
84 void ser_block_header(DEV_BLOCK *block);
86 #define CHECK_BLOCK_NUMBERS true
87 #define NO_BLOCK_NUMBER_CHECK false
88 bool read_block_from_device(DCR *dcr, bool check_block_numbers);
89 bool read_block_from_dev(DCR *dcr, bool check_block_numbers);
91 /* From butil.c -- utilities for SD tool programs */
92 void print_ls_output(const char *fname, const char *link, int type, struct stat *statp);
93 JCR *setup_jcr(const char *name, char *dev_name, BSR *bsr,
94 const char *VolumeName, int mode);
95 void display_tape_error_status(JCR *jcr, DEVICE *dev);
99 DEVICE *init_dev(JCR *jcr, DEVRES *device);
100 bool can_open_mounted_dev(DEVICE *dev);
101 bool load_dev(DEVICE *dev);
102 int write_block(DEVICE *dev);
103 uint32_t status_dev(DEVICE *dev);
104 void attach_jcr_to_device(DEVICE *dev, JCR *jcr);
105 void detach_jcr_from_device(DEVICE *dev, JCR *jcr);
106 JCR *next_attached_jcr(DEVICE *dev, JCR *jcr);
107 void init_device_wait_timers(DCR *dcr);
108 void init_jcr_device_wait_timers(JCR *jcr);
109 bool double_dev_wait_time(DEVICE *dev);
111 /* Get info about device */
112 char * dev_vol_name(DEVICE *dev);
115 int dvd_open_next_part(DCR *dcr);
116 bool dvd_write_part(DCR *dcr);
117 bool dvd_close_job(DCR *dcr);
118 void make_mounted_dvd_filename(DEVICE *dev, POOL_MEM &archive_name);
119 void make_spooled_dvd_filename(DEVICE *dev, POOL_MEM &archive_name);
120 bool truncate_dvd(DCR *dcr);
121 bool check_can_write_on_non_blank_dvd(DCR *dcr);
122 int find_num_dvd_parts(DCR *dcr);
123 boffset_t lseek_dvd(DCR *dcr, boffset_t offset, int whence);
124 void dvd_remove_empty_part(DCR *dcr);
127 bool open_device(DCR *dcr);
128 bool first_open_device(DCR *dcr);
129 bool fixup_device_block_write_error(DCR *dcr);
130 void set_new_volume_parameters(DCR *dcr);
131 void set_new_file_parameters(DCR *dcr);
132 bool is_device_unmounted(DEVICE *dev);
135 void *handle_connection_request(void *arg);
139 void run_job(JCR *jcr);
140 bool get_bootstrap_file(JCR *jcr, BSOCK *bsock);
141 void do_fd_commands(JCR *jcr);
144 void stored_free_jcr(JCR *jcr);
145 void connection_from_filed(void *arg);
146 void handle_filed_connection(BSOCK *fd, char *job_name);
149 int read_dev_volume_label(DCR *dcr);
150 int read_dvd_volume_label(DCR *dcr, bool write);
151 void create_session_label(DCR *dcr, DEV_RECORD *rec, int label);
152 void create_volume_label(DEVICE *dev, const char *VolName, const char *PoolName, bool dvdnow);
153 bool write_new_volume_label_to_dev(DCR *dcr, const char *VolName,
154 const char *PoolName, bool relabel, bool dvdnow);
155 #define ANSI_VOL_LABEL 0
156 #define ANSI_EOF_LABEL 1
157 #define ANSI_EOV_LABEL 2
158 bool write_ansi_ibm_labels(DCR *dcr, int type, const char *VolName);
159 int read_ansi_ibm_label(DCR *dcr);
160 bool write_session_label(DCR *dcr, int label);
161 bool write_volume_label_to_block(DCR *dcr);
162 bool rewrite_volume_label(DCR *dcr, bool recycle);
163 void dump_volume_label(DEVICE *dev);
164 void dump_label_record(DEVICE *dev, DEV_RECORD *rec, int verbose);
165 bool unser_volume_label(DEVICE *dev, DEV_RECORD *rec);
166 bool unser_session_label(SESSION_LABEL *label, DEV_RECORD *rec);
169 void _lock_device(const char *file, int line, DEVICE *dev);
170 void _unlock_device(const char *file, int line, DEVICE *dev);
171 void _block_device(const char *file, int line, DEVICE *dev, int state);
172 void _unblock_device(const char *file, int line, DEVICE *dev);
173 void _steal_device_lock(const char *file, int line, DEVICE *dev, bsteal_lock_t *hold, int state);
174 void _give_back_device_lock(const char *file, int line, DEVICE *dev, bsteal_lock_t *hold);
177 /* From match_bsr.c */
178 int match_bsr(BSR *bsr, DEV_RECORD *rec, VOLUME_LABEL *volrec,
179 SESSION_LABEL *sesrec);
180 int match_bsr_block(BSR *bsr, DEV_BLOCK *block);
181 void position_bsr_block(BSR *bsr, DEV_BLOCK *block);
182 BSR *find_next_bsr(BSR *root_bsr, DEVICE *dev);
183 bool is_this_bsr_done(BSR *bsr, DEV_RECORD *rec);
186 bool mount_next_write_volume(DCR *dcr, bool have_vol, bool release);
187 bool mount_next_read_volume(DCR *dcr);
188 void mark_volume_in_error(DCR *dcr);
190 /* From parse_bsr.c */
191 BSR *parse_bsr(JCR *jcr, char *lf);
192 void dump_bsr(BSR *bsr, bool recurse);
193 void free_bsr(BSR *bsr);
194 VOL_LIST *new_restore_volume();
195 int add_restore_volume(JCR *jcr, VOL_LIST *vol);
196 void free_restore_volume_list(JCR *jcr);
197 void create_restore_volume_list(JCR *jcr);
200 const char *FI_to_ascii(char *buf, int fi);
201 const char *stream_to_ascii(char *buf, int stream, int fi);
202 bool write_record_to_block(DEV_BLOCK *block, DEV_RECORD *rec);
203 bool can_write_record_to_block(DEV_BLOCK *block, DEV_RECORD *rec);
204 bool read_record_from_block(DCR *dcr, DEV_BLOCK *block, DEV_RECORD *rec);
205 DEV_RECORD *new_record();
206 void free_record(DEV_RECORD *rec);
207 void empty_record(DEV_RECORD *rec);
209 /* From read_record.c */
210 bool read_records(DCR *dcr,
211 bool record_cb(DCR *dcr, DEV_RECORD *rec),
212 bool mount_cb(DCR *dcr));
215 void init_reservations_lock();
216 void term_reservations_lock();
217 void _lock_reservations();
218 void _unlock_reservations();
219 void _lock_volumes();
220 void _unlock_volumes();
221 void release_volume(DCR *dcr);
222 VOLRES *reserve_volume(DCR *dcr, const char *VolumeName);
223 VOLRES *find_volume(const char *VolumeName);
224 bool free_volume(DEVICE *dev);
225 void unreserve_device(DCR *dcr);
226 bool volume_unused(DCR *dcr);
227 void create_volume_list();
228 void free_volume_list();
229 void list_volumes(void sendit(const char *msg, int len, void *sarg), void *arg);
230 bool is_volume_in_use(DCR *dcr);
231 void send_drive_reserve_messages(JCR *jcr, void sendit(const char *msg, int len, void *sarg), void *arg);
232 bool find_suitable_device_for_job(JCR *jcr, RCTX &rctx);
233 int search_res_for_device(RCTX &rctx);
234 void release_reserve_messages(JCR *jcr);
236 extern int reservations_lock_count;
237 extern int vol_list_lock_count;
241 #define lock_reservations() \
242 do { Dmsg4(sd_dbglvl, "lock_reservations at %s:%d precnt=%d JobId=%u\n", \
243 __FILE__, __LINE__, \
244 reservations_lock_count, get_jobid_from_tid(pthread_self())); \
245 _lock_reservations(); \
246 Dmsg1(sd_dbglvl, "lock_reservations: got lock JobId=%u\n", \
247 get_jobid_from_tid(pthread_self())); \
249 #define unlock_reservations() \
250 do { Dmsg4(sd_dbglvl, "unlock_reservations at %s:%d precnt=%d JobId=%u\n", \
251 __FILE__, __LINE__, \
252 reservations_lock_count, get_jobid_from_tid(pthread_self())); \
253 _unlock_reservations(); } while (0)
255 #define lock_volumes() \
256 do { Dmsg4(sd_dbglvl, "lock_volumes at %s:%d precnt=%d JobId=%u\n", \
257 __FILE__, __LINE__, \
258 vol_list_lock_count, get_jobid_from_tid(pthread_self())); \
260 Dmsg1(sd_dbglvl, "lock_volumes: got lock JobId=%u\n", \
261 get_jobid_from_tid(pthread_self())); \
264 #define unlock_volumes() \
265 do { Dmsg4(sd_dbglvl, "unlock_volumes at %s:%d precnt=%d JobId=%u\n", \
266 __FILE__, __LINE__, \
267 vol_list_lock_count, get_jobid_from_tid(pthread_self())); \
268 _unlock_volumes(); } while (0)
272 #define lock_reservations() _lock_reservations()
273 #define unlock_reservations() _unlock_reservations()
274 #define lock_volumes() _lock_volumes()
275 #define unlock_volumes() _unlock_volumes()
282 bool begin_data_spool (DCR *dcr);
283 bool discard_data_spool (DCR *dcr);
284 bool commit_data_spool (DCR *dcr);
285 bool are_attributes_spooled (JCR *jcr);
286 bool begin_attribute_spool (JCR *jcr);
287 bool discard_attribute_spool (JCR *jcr);
288 bool commit_attribute_spool (JCR *jcr);
289 bool write_block_to_spool_file (DCR *dcr);
290 void list_spool_stats (void sendit(const char *msg, int len, void *sarg), void *arg);
293 int wait_for_sysop(DCR *dcr);
294 bool wait_for_device(JCR *jcr, int &retries);