2 Bacula® - The Network Backup Solution
4 Copyright (C) 2007-2009 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, which is
11 listed in the file LICENSE.
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 Kern Sibbald.
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 * Application Programming Interface (API) definition for Bacula Plugins
31 * Kern Sibbald, October 2007
35 #ifndef __FD_PLUGINS_H
36 #define __FD_PLUGINS_H
40 /* Workaround for SGI IRIX 6.5 */
41 #define _LANGUAGE_C_PLUS_PLUS 1
44 #define _THREAD_SAFE 1
45 #define _POSIX_PTHREAD_SEMANTICS 1
46 #define _FILE_OFFSET_BITS 64
47 #define _LARGEFILE_SOURCE 1
48 #define _LARGE_FILES 1
49 #endif /* ! _BACULA_H */
51 #include <sys/types.h>
53 #if defined(HAVE_WIN32)
54 #if defined(HAVE_MINGW)
55 #include "mingwconfig.h"
57 #include "winconfig.h"
59 #else /* !HAVE_WIN32 */
67 #include "lib/plugins.h"
71 * This packet is used for file save info transfer.
74 int32_t pkt_size; /* size of this packet */
75 char *fname; /* Full path and filename */
76 char *link; /* Link name if any */
77 struct stat statp; /* System stat() packet for file */
78 int32_t type; /* FT_xx for this file */
79 uint32_t flags; /* Bacula internal flags */
80 bool portable; /* set if data format is portable */
81 char *cmd; /* command */
82 int32_t pkt_end; /* end packet sentinel */
86 * This packet is used for file restore info transfer.
89 int32_t pkt_size; /* size of this packet */
90 int32_t stream; /* attribute stream id */
91 int32_t data_stream; /* id of data stream to follow */
92 int32_t type; /* file type FT */
93 int32_t file_index; /* file index */
94 int32_t LinkFI; /* file index to data if hard link */
95 uid_t uid; /* userid */
96 struct stat statp; /* decoded stat packet */
97 const char *attrEx; /* extended attributes if any */
98 const char *ofname; /* output filename */
99 const char *olname; /* output link name */
100 const char *where; /* where */
101 const char *RegexWhere; /* regex where */
102 int replace; /* replace flag */
103 int create_status; /* status from createFile() */
104 int32_t pkt_end; /* end packet sentinel */
116 int32_t pkt_size; /* Size of this packet */
117 int32_t func; /* Function code */
118 int32_t count; /* read/write count */
119 int32_t flags; /* Open flags */
120 mode_t mode; /* permissions for created files */
121 char *buf; /* read/write buffer */
122 const char *fname; /* open filename */
123 int32_t status; /* return status */
124 int32_t io_errno; /* errno code */
125 int32_t lerror; /* Win32 error code */
126 int32_t whence; /* lseek argument */
127 boffset_t offset; /* lseek argument */
128 bool win32; /* Win32 GetLastError returned */
129 int32_t pkt_end; /* end packet sentinel */
132 /****************************************************************************
134 * Bacula definitions *
136 ****************************************************************************/
138 /* Bacula Variable Ids */
152 /* Events that are passed to plugin */
156 bEventStartBackupJob = 3,
157 bEventEndBackupJob = 4,
158 bEventStartRestoreJob = 5,
159 bEventEndRestoreJob = 6,
160 bEventStartVerifyJob = 7,
161 bEventEndVerifyJob = 8,
162 bEventBackupCommand = 9,
163 bEventRestoreCommand = 10,
166 bEventCancelCommand = 13,
169 typedef struct s_bEvent {
173 typedef struct s_baculaInfo {
178 /* Bacula Core Routines -- not used within a plugin */
180 struct BFILE; /* forward referenced */
182 void load_fd_plugins(const char *plugin_dir);
183 void new_plugins(JCR *jcr);
184 void free_plugins(JCR *jcr);
185 void generate_plugin_event(JCR *jcr, bEventType event, void *value=NULL);
186 bool send_plugin_name(JCR *jcr, BSOCK *sd, bool start);
187 bool plugin_name_stream(JCR *jcr, char *name);
188 int plugin_create_file(JCR *jcr, ATTR *attr, BFILE *bfd, int replace);
189 bool plugin_set_attributes(JCR *jcr, ATTR *attr, BFILE *ofd);
190 int plugin_save(JCR *jcr, FF_PKT *ff_pkt, bool top_level);
191 bool plugin_check_file(JCR *jcr, char *fname);
199 * Bacula interface version and function pointers --
200 * i.e. callbacks from the plugin to Bacula
202 typedef struct s_baculaFuncs {
205 bRC (*registerBaculaEvents)(bpContext *ctx, ...);
206 bRC (*getBaculaValue)(bpContext *ctx, bVariable var, void *value);
207 bRC (*setBaculaValue)(bpContext *ctx, bVariable var, void *value);
208 bRC (*JobMessage)(bpContext *ctx, const char *file, int line,
209 int type, utime_t mtime, const char *fmt, ...);
210 bRC (*DebugMessage)(bpContext *ctx, const char *file, int line,
211 int level, const char *fmt, ...);
212 void *(*baculaMalloc)(bpContext *ctx, const char *file, int line,
214 void (*baculaFree)(bpContext *ctx, const char *file, int line, void *mem);
220 /****************************************************************************
222 * Plugin definitions *
224 ****************************************************************************/
232 #define FD_PLUGIN_MAGIC "*FDPluginData*"
233 #define FD_PLUGIN_INTERFACE_VERSION 4
235 typedef struct s_pluginInfo {
238 const char *plugin_magic;
239 const char *plugin_license;
240 const char *plugin_author;
241 const char *plugin_date;
242 const char *plugin_version;
243 const char *plugin_description;
247 * This is a set of function pointers that Bacula can call
250 typedef struct s_pluginFuncs {
253 bRC (*newPlugin)(bpContext *ctx);
254 bRC (*freePlugin)(bpContext *ctx);
255 bRC (*getPluginValue)(bpContext *ctx, pVariable var, void *value);
256 bRC (*setPluginValue)(bpContext *ctx, pVariable var, void *value);
257 bRC (*handlePluginEvent)(bpContext *ctx, bEvent *event, void *value);
258 bRC (*startBackupFile)(bpContext *ctx, struct save_pkt *sp);
259 bRC (*endBackupFile)(bpContext *ctx);
260 bRC (*startRestoreFile)(bpContext *ctx, const char *cmd);
261 bRC (*endRestoreFile)(bpContext *ctx);
262 bRC (*pluginIO)(bpContext *ctx, struct io_pkt *io);
263 bRC (*createFile)(bpContext *ctx, struct restore_pkt *rp);
264 bRC (*setFileAttributes)(bpContext *ctx, struct restore_pkt *rp);
265 bRC (*checkFile)(bpContext *ctx, char *fname);
268 #define plug_func(plugin) ((pFuncs *)(plugin->pfuncs))
269 #define plug_info(plugin) ((pInfo *)(plugin->pinfo))
275 #endif /* __FD_PLUGINS_H */