author | zautrix <zautrix> | 2004-07-03 16:33:12 (UTC) |
---|---|---|
committer | zautrix <zautrix> | 2004-07-03 16:33:12 (UTC) |
commit | e3b89230f065c48c84b48c88edb6eb088374c487 (patch) (unidiff) | |
tree | 162ea2ef909a6f82ccfcedf45d80d6c821174912 /kmicromail/libetpan/generic/mhdriver_cached.c | |
parent | 2dd6ac0b2d24c91d35ce674a6c26351352df2b15 (diff) | |
download | kdepimpi-e3b89230f065c48c84b48c88edb6eb088374c487.zip kdepimpi-e3b89230f065c48c84b48c88edb6eb088374c487.tar.gz kdepimpi-e3b89230f065c48c84b48c88edb6eb088374c487.tar.bz2 |
Initial revision
Diffstat (limited to 'kmicromail/libetpan/generic/mhdriver_cached.c') (more/less context) (show whitespace changes)
-rw-r--r-- | kmicromail/libetpan/generic/mhdriver_cached.c | 1232 |
1 files changed, 1232 insertions, 0 deletions
diff --git a/kmicromail/libetpan/generic/mhdriver_cached.c b/kmicromail/libetpan/generic/mhdriver_cached.c new file mode 100644 index 0000000..5c35089 --- a/dev/null +++ b/kmicromail/libetpan/generic/mhdriver_cached.c | |||
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1 | /* | ||
2 | * libEtPan! -- a mail stuff library | ||
3 | * | ||
4 | * Copyright (C) 2001, 2002 - DINH Viet Hoa | ||
5 | * All rights reserved. | ||
6 | * | ||
7 | * Redistribution and use in source and binary forms, with or without | ||
8 | * modification, are permitted provided that the following conditions | ||
9 | * are met: | ||
10 | * 1. Redistributions of source code must retain the above copyright | ||
11 | * notice, this list of conditions and the following disclaimer. | ||
12 | * 2. Redistributions in binary form must reproduce the above copyright | ||
13 | * notice, this list of conditions and the following disclaimer in the | ||
14 | * documentation and/or other materials provided with the distribution. | ||
15 | * 3. Neither the name of the libEtPan! project nor the names of its | ||
16 | * contributors may be used to endorse or promote products derived | ||
17 | * from this software without specific prior written permission. | ||
18 | * | ||
19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | ||
20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | ||
23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
29 | * SUCH DAMAGE. | ||
30 | */ | ||
31 | |||
32 | /* | ||
33 | * $Id$ | ||
34 | */ | ||
35 | |||
36 | #include "mhdriver_cached.h" | ||
37 | |||
38 | #include <stdio.h> | ||
39 | #include <sys/types.h> | ||
40 | #include <dirent.h> | ||
41 | #include <unistd.h> | ||
42 | #include <sys/stat.h> | ||
43 | #include <ctype.h> | ||
44 | #include <fcntl.h> | ||
45 | #include <sys/mman.h> | ||
46 | #include <stdlib.h> | ||
47 | #include <string.h> | ||
48 | |||
49 | #include "mail.h" | ||
50 | #include "mail_cache_db.h" | ||
51 | |||
52 | #include "generic_cache.h" | ||
53 | #include "imfcache.h" | ||
54 | #include "mhdriver.h" | ||
55 | |||
56 | #include "mhdriver_cached_message.h" | ||
57 | #include "mailmh.h" | ||
58 | #include "maildriver_tools.h" | ||
59 | #include "mhdriver_tools.h" | ||
60 | #include "mailmessage.h" | ||
61 | |||
62 | static int mhdriver_cached_initialize(mailsession * session); | ||
63 | |||
64 | static void mhdriver_cached_uninitialize(mailsession * session); | ||
65 | |||
66 | static int mhdriver_cached_parameters(mailsession * session, | ||
67 | int id, void * value); | ||
68 | |||
69 | static int mhdriver_cached_connect_path(mailsession * session, char * path); | ||
70 | static int mhdriver_cached_logout(mailsession * session); | ||
71 | |||
72 | static int mhdriver_cached_build_folder_name(mailsession * session, char * mb, | ||
73 | char * name, char ** result); | ||
74 | static int mhdriver_cached_create_folder(mailsession * session, char * mb); | ||
75 | |||
76 | static int mhdriver_cached_delete_folder(mailsession * session, char * mb); | ||
77 | |||
78 | static int mhdriver_cached_rename_folder(mailsession * session, char * mb, | ||
79 | char * new_name); | ||
80 | |||
81 | static int mhdriver_cached_check_folder(mailsession * session); | ||
82 | |||
83 | static int mhdriver_cached_select_folder(mailsession * session, char * mb); | ||
84 | |||
85 | static int mhdriver_cached_expunge_folder(mailsession * session); | ||
86 | |||
87 | static int mhdriver_cached_status_folder(mailsession * session, char * mb, | ||
88 | uint32_t * result_messages, uint32_t * result_recent, | ||
89 | uint32_t * result_unseen); | ||
90 | |||
91 | static int mhdriver_cached_messages_number(mailsession * session, char * mb, | ||
92 | uint32_t * result); | ||
93 | static int mhdriver_cached_recent_number(mailsession * session, char * mb, | ||
94 | uint32_t * result); | ||
95 | static int mhdriver_cached_unseen_number(mailsession * session, char * mb, | ||
96 | uint32_t * result); | ||
97 | |||
98 | static int mhdriver_cached_list_folders(mailsession * session, char * mb, | ||
99 | struct mail_list ** result); | ||
100 | |||
101 | static int mhdriver_cached_lsub_folders(mailsession * session, char * mb, | ||
102 | struct mail_list ** result); | ||
103 | |||
104 | static int mhdriver_cached_subscribe_folder(mailsession * session, char * mb); | ||
105 | |||
106 | static int mhdriver_cached_unsubscribe_folder(mailsession * session, | ||
107 | char * mb); | ||
108 | |||
109 | static int mhdriver_cached_append_message(mailsession * session, | ||
110 | char * message, size_t size); | ||
111 | static int mhdriver_cached_copy_message(mailsession * session, | ||
112 | uint32_t num, char * mb); | ||
113 | |||
114 | static int mhdriver_cached_remove_message(mailsession * session, | ||
115 | uint32_t num); | ||
116 | |||
117 | static int mhdriver_cached_move_message(mailsession * session, | ||
118 | uint32_t num, char * mb); | ||
119 | |||
120 | static int | ||
121 | mhdriver_cached_get_messages_list(mailsession * session, | ||
122 | struct mailmessage_list ** result); | ||
123 | |||
124 | static int | ||
125 | mhdriver_cached_get_envelopes_list(mailsession * session, | ||
126 | struct mailmessage_list * env_list); | ||
127 | |||
128 | static int mhdriver_cached_get_message(mailsession * session, | ||
129 | uint32_t num, mailmessage ** result); | ||
130 | |||
131 | static int mhdriver_cached_get_message_by_uid(mailsession * session, | ||
132 | const char * uid, | ||
133 | mailmessage ** result); | ||
134 | |||
135 | static mailsession_driver local_mh_cached_session_driver = { | ||
136 | .sess_name = "mh-cached", | ||
137 | |||
138 | .sess_initialize = mhdriver_cached_initialize, | ||
139 | .sess_uninitialize = mhdriver_cached_uninitialize, | ||
140 | |||
141 | .sess_parameters = mhdriver_cached_parameters, | ||
142 | |||
143 | .sess_connect_stream = NULL, | ||
144 | .sess_connect_path = mhdriver_cached_connect_path, | ||
145 | .sess_starttls = NULL, | ||
146 | .sess_login = NULL, | ||
147 | .sess_logout = mhdriver_cached_logout, | ||
148 | .sess_noop = NULL, | ||
149 | |||
150 | .sess_build_folder_name = mhdriver_cached_build_folder_name, | ||
151 | .sess_create_folder = mhdriver_cached_create_folder, | ||
152 | .sess_delete_folder = mhdriver_cached_delete_folder, | ||
153 | .sess_rename_folder = mhdriver_cached_rename_folder, | ||
154 | .sess_check_folder = mhdriver_cached_check_folder, | ||
155 | .sess_examine_folder = NULL, | ||
156 | .sess_select_folder = mhdriver_cached_select_folder, | ||
157 | .sess_expunge_folder = mhdriver_cached_expunge_folder, | ||
158 | .sess_status_folder = mhdriver_cached_status_folder, | ||
159 | .sess_messages_number = mhdriver_cached_messages_number, | ||
160 | .sess_recent_number = mhdriver_cached_recent_number, | ||
161 | .sess_unseen_number = mhdriver_cached_unseen_number, | ||
162 | .sess_list_folders = mhdriver_cached_list_folders, | ||
163 | .sess_lsub_folders = mhdriver_cached_lsub_folders, | ||
164 | .sess_subscribe_folder = mhdriver_cached_subscribe_folder, | ||
165 | .sess_unsubscribe_folder = mhdriver_cached_unsubscribe_folder, | ||
166 | |||
167 | .sess_append_message = mhdriver_cached_append_message, | ||
168 | .sess_copy_message = mhdriver_cached_copy_message, | ||
169 | .sess_move_message = mhdriver_cached_move_message, | ||
170 | |||
171 | .sess_get_messages_list = mhdriver_cached_get_messages_list, | ||
172 | .sess_get_envelopes_list = mhdriver_cached_get_envelopes_list, | ||
173 | .sess_remove_message = mhdriver_cached_remove_message, | ||
174 | #if 0 | ||
175 | .sess_search_messages = maildriver_generic_search_messages, | ||
176 | #endif | ||
177 | |||
178 | .sess_get_message = mhdriver_cached_get_message, | ||
179 | .sess_get_message_by_uid = mhdriver_cached_get_message_by_uid, | ||
180 | }; | ||
181 | |||
182 | mailsession_driver * mh_cached_session_driver = | ||
183 | &local_mh_cached_session_driver; | ||
184 | |||
185 | #define ENV_NAME "env.db" | ||
186 | #define FLAGS_NAME "flags.db" | ||
187 | |||
188 | |||
189 | static inline struct mh_cached_session_state_data * | ||
190 | get_cached_data(mailsession * session) | ||
191 | { | ||
192 | return session->sess_data; | ||
193 | } | ||
194 | |||
195 | static inline mailsession * get_ancestor(mailsession * session) | ||
196 | { | ||
197 | return get_cached_data(session)->mh_ancestor; | ||
198 | } | ||
199 | |||
200 | static inline struct mh_session_state_data * | ||
201 | get_ancestor_data(mailsession * session) | ||
202 | { | ||
203 | return get_ancestor(session)->sess_data; | ||
204 | } | ||
205 | |||
206 | static inline struct mailmh * | ||
207 | get_mh_session(mailsession * session) | ||
208 | { | ||
209 | return get_ancestor_data(session)->mh_session; | ||
210 | } | ||
211 | |||
212 | static inline struct mailmh_folder * | ||
213 | get_mh_cur_folder(mailsession * session) | ||
214 | { | ||
215 | return get_ancestor_data(session)->mh_cur_folder; | ||
216 | } | ||
217 | |||
218 | |||
219 | #define FILENAME_MAX_UID "max-uid" | ||
220 | |||
221 | /* write max uid current value */ | ||
222 | |||
223 | static int write_max_uid_value(mailsession * session) | ||
224 | { | ||
225 | int r; | ||
226 | char filename[PATH_MAX]; | ||
227 | FILE * f; | ||
228 | int res; | ||
229 | struct mh_cached_session_state_data * cached_data; | ||
230 | struct mh_session_state_data * ancestor_data; | ||
231 | int fd; | ||
232 | |||
233 | MMAPString * mmapstr; | ||
234 | size_t cur_token; | ||
235 | |||
236 | cached_data = get_cached_data(session); | ||
237 | ancestor_data = get_ancestor_data(session); | ||
238 | |||
239 | if (cached_data->mh_quoted_mb == NULL) | ||
240 | return MAIL_ERROR_BAD_STATE; | ||
241 | |||
242 | snprintf(filename, PATH_MAX, "%s/%s/%s", | ||
243 | cached_data->mh_cache_directory, | ||
244 | cached_data->mh_quoted_mb, FILENAME_MAX_UID); | ||
245 | |||
246 | fd = creat(filename, S_IRUSR | S_IWUSR); | ||
247 | if (fd < 0) { | ||
248 | res = MAIL_ERROR_FILE; | ||
249 | goto err; | ||
250 | } | ||
251 | |||
252 | f = fdopen(fd, "w"); | ||
253 | if (f == NULL) { | ||
254 | close(fd); | ||
255 | res = MAIL_ERROR_FILE; | ||
256 | goto err; | ||
257 | } | ||
258 | |||
259 | mmapstr = mmap_string_new(""); | ||
260 | if (mmapstr == NULL) { | ||
261 | res = MAIL_ERROR_MEMORY; | ||
262 | goto close; | ||
263 | } | ||
264 | |||
265 | r = mail_serialize_clear(mmapstr, &cur_token); | ||
266 | if (r != MAIL_NO_ERROR) { | ||
267 | res = r; | ||
268 | goto free_mmapstr; | ||
269 | } | ||
270 | |||
271 | r = mailimf_cache_int_write(mmapstr, &cur_token, | ||
272 | ancestor_data->mh_cur_folder->fl_max_index); | ||
273 | if (r != MAIL_NO_ERROR) { | ||
274 | res = r; | ||
275 | goto free_mmapstr; | ||
276 | } | ||
277 | |||
278 | fwrite(mmapstr->str, 1, mmapstr->len, f); | ||
279 | |||
280 | mmap_string_free(mmapstr); | ||
281 | fclose(f); | ||
282 | |||
283 | return MAIL_NO_ERROR; | ||
284 | |||
285 | free_mmapstr: | ||
286 | mmap_string_free(mmapstr); | ||
287 | close: | ||
288 | fclose(f); | ||
289 | err: | ||
290 | return res; | ||
291 | } | ||
292 | |||
293 | static int read_max_uid_value(mailsession * session) | ||
294 | { | ||
295 | int r; | ||
296 | char filename[PATH_MAX]; | ||
297 | FILE * f; | ||
298 | uint32_t written_uid; | ||
299 | int res; | ||
300 | struct mh_cached_session_state_data * cached_data; | ||
301 | struct mh_session_state_data * ancestor_data; | ||
302 | |||
303 | MMAPString * mmapstr; | ||
304 | size_t cur_token; | ||
305 | char buf[sizeof(uint32_t)]; | ||
306 | size_t read_size; | ||
307 | |||
308 | cached_data = get_cached_data(session); | ||
309 | ancestor_data = get_ancestor_data(session); | ||
310 | |||
311 | snprintf(filename, PATH_MAX, "%s/%s/%s", | ||
312 | cached_data->mh_cache_directory, | ||
313 | cached_data->mh_quoted_mb, FILENAME_MAX_UID); | ||
314 | |||
315 | f = fopen(filename, "r"); | ||
316 | if (f == NULL) { | ||
317 | res = MAIL_ERROR_FILE; | ||
318 | goto err; | ||
319 | } | ||
320 | |||
321 | read_size = fread(buf, 1, sizeof(uint32_t), f); | ||
322 | |||
323 | mmapstr = mmap_string_new_len(buf, read_size); | ||
324 | if (mmapstr == NULL) { | ||
325 | res = MAIL_ERROR_MEMORY; | ||
326 | goto close; | ||
327 | } | ||
328 | |||
329 | cur_token = 0; | ||
330 | |||
331 | r = mailimf_cache_int_read(mmapstr, &cur_token, &written_uid); | ||
332 | if (r != MAIL_NO_ERROR) { | ||
333 | fclose(f); | ||
334 | res = r; | ||
335 | goto free_mmapstr; | ||
336 | } | ||
337 | |||
338 | mmap_string_free(mmapstr); | ||
339 | fclose(f); | ||
340 | |||
341 | if (written_uid > ancestor_data->mh_cur_folder->fl_max_index) | ||
342 | ancestor_data->mh_cur_folder->fl_max_index = written_uid; | ||
343 | |||
344 | return MAIL_NO_ERROR; | ||
345 | |||
346 | free_mmapstr: | ||
347 | mmap_string_free(mmapstr); | ||
348 | close: | ||
349 | fclose(f); | ||
350 | err: | ||
351 | return res; | ||
352 | } | ||
353 | |||
354 | |||
355 | static int mhdriver_cached_initialize(mailsession * session) | ||
356 | { | ||
357 | struct mh_cached_session_state_data * data; | ||
358 | |||
359 | data = malloc(sizeof(* data)); | ||
360 | if (data == NULL) | ||
361 | goto err; | ||
362 | |||
363 | data->mh_flags_store = mail_flags_store_new(); | ||
364 | if (data->mh_flags_store == NULL) | ||
365 | goto free; | ||
366 | |||
367 | data->mh_ancestor = mailsession_new(mh_session_driver); | ||
368 | if (data->mh_ancestor == NULL) | ||
369 | goto free_store; | ||
370 | |||
371 | data->mh_quoted_mb = NULL; | ||
372 | |||
373 | session->sess_data = data; | ||
374 | |||
375 | return MAIL_NO_ERROR; | ||
376 | |||
377 | free_store: | ||
378 | mail_flags_store_free(data->mh_flags_store); | ||
379 | free: | ||
380 | free(data); | ||
381 | err: | ||
382 | return MAIL_ERROR_MEMORY; | ||
383 | } | ||
384 | |||
385 | static void free_state(struct mh_cached_session_state_data * mh_data) | ||
386 | { | ||
387 | if (mh_data->mh_quoted_mb) { | ||
388 | free(mh_data->mh_quoted_mb); | ||
389 | mh_data->mh_quoted_mb = NULL; | ||
390 | } | ||
391 | } | ||
392 | |||
393 | static int mh_flags_store_process(char * flags_directory, char * quoted_mb, | ||
394 | struct mail_flags_store * flags_store) | ||
395 | { | ||
396 | char filename_flags[PATH_MAX]; | ||
397 | struct mail_cache_db * cache_db_flags; | ||
398 | MMAPString * mmapstr; | ||
399 | unsigned int i; | ||
400 | int r; | ||
401 | int res; | ||
402 | |||
403 | if (carray_count(flags_store->fls_tab) == 0) | ||
404 | return MAIL_NO_ERROR; | ||
405 | |||
406 | if (quoted_mb == NULL) | ||
407 | return MAIL_NO_ERROR; | ||
408 | |||
409 | snprintf(filename_flags, PATH_MAX, "%s/%s/%s", | ||
410 | flags_directory, quoted_mb, FLAGS_NAME); | ||
411 | |||
412 | r = mail_cache_db_open_lock(filename_flags, &cache_db_flags); | ||
413 | if (r < 0) { | ||
414 | res = MAIL_ERROR_FILE; | ||
415 | goto err; | ||
416 | } | ||
417 | |||
418 | mmapstr = mmap_string_new(""); | ||
419 | if (mmapstr == NULL) { | ||
420 | res = MAIL_ERROR_MEMORY; | ||
421 | goto close_db_flags; | ||
422 | } | ||
423 | |||
424 | for(i = 0 ; i < carray_count(flags_store->fls_tab) ; i ++) { | ||
425 | mailmessage * msg; | ||
426 | |||
427 | msg = carray_get(flags_store->fls_tab, i); | ||
428 | |||
429 | r = mhdriver_write_cached_flags(cache_db_flags, mmapstr, | ||
430 | msg->msg_uid, msg->msg_flags); | ||
431 | } | ||
432 | |||
433 | mmap_string_free(mmapstr); | ||
434 | mail_cache_db_close_unlock(filename_flags, cache_db_flags); | ||
435 | |||
436 | mail_flags_store_clear(flags_store); | ||
437 | |||
438 | return MAIL_NO_ERROR; | ||
439 | |||
440 | close_db_flags: | ||
441 | mail_cache_db_close_unlock(filename_flags, cache_db_flags); | ||
442 | err: | ||
443 | return res; | ||
444 | } | ||
445 | |||
446 | static void mhdriver_cached_uninitialize(mailsession * session) | ||
447 | { | ||
448 | struct mh_cached_session_state_data * data; | ||
449 | |||
450 | data = get_cached_data(session); | ||
451 | |||
452 | mh_flags_store_process(data->mh_flags_directory, data->mh_quoted_mb, | ||
453 | data->mh_flags_store); | ||
454 | |||
455 | mail_flags_store_free(data->mh_flags_store); | ||
456 | |||
457 | free_state(data); | ||
458 | mailsession_free(data->mh_ancestor); | ||
459 | free(data); | ||
460 | |||
461 | session->sess_data = NULL; | ||
462 | } | ||
463 | |||
464 | static int mhdriver_cached_parameters(mailsession * session, | ||
465 | int id, void * value) | ||
466 | { | ||
467 | struct mh_cached_session_state_data * cached_data; | ||
468 | int r; | ||
469 | |||
470 | cached_data = get_cached_data(session); | ||
471 | |||
472 | switch (id) { | ||
473 | case MHDRIVER_CACHED_SET_CACHE_DIRECTORY: | ||
474 | strncpy(cached_data->mh_cache_directory, value, PATH_MAX); | ||
475 | cached_data->mh_cache_directory[PATH_MAX - 1] = '\0'; | ||
476 | |||
477 | r = generic_cache_create_dir(cached_data->mh_cache_directory); | ||
478 | if (r != MAIL_NO_ERROR) | ||
479 | return r; | ||
480 | |||
481 | return MAIL_NO_ERROR; | ||
482 | |||
483 | case MHDRIVER_CACHED_SET_FLAGS_DIRECTORY: | ||
484 | strncpy(cached_data->mh_flags_directory, value, PATH_MAX); | ||
485 | cached_data->mh_flags_directory[PATH_MAX - 1] = '\0'; | ||
486 | |||
487 | r = generic_cache_create_dir(cached_data->mh_flags_directory); | ||
488 | if (r != MAIL_NO_ERROR) | ||
489 | return r; | ||
490 | |||
491 | return MAIL_NO_ERROR; | ||
492 | } | ||
493 | |||
494 | return MAIL_ERROR_INVAL; | ||
495 | } | ||
496 | |||
497 | static int mhdriver_cached_connect_path(mailsession * session, char * path) | ||
498 | { | ||
499 | return mailsession_connect_path(get_ancestor(session), path); | ||
500 | } | ||
501 | |||
502 | static int mhdriver_cached_logout(mailsession * session) | ||
503 | { | ||
504 | int r; | ||
505 | struct mh_cached_session_state_data * cached_data; | ||
506 | |||
507 | r = write_max_uid_value(session); | ||
508 | |||
509 | cached_data = get_cached_data(session); | ||
510 | |||
511 | mh_flags_store_process(cached_data->mh_flags_directory, | ||
512 | cached_data->mh_quoted_mb, | ||
513 | cached_data->mh_flags_store); | ||
514 | |||
515 | return mailsession_logout(get_ancestor(session)); | ||
516 | } | ||
517 | |||
518 | static int mhdriver_cached_check_folder(mailsession * session) | ||
519 | { | ||
520 | struct mh_cached_session_state_data * cached_data; | ||
521 | |||
522 | cached_data = get_cached_data(session); | ||
523 | |||
524 | mh_flags_store_process(cached_data->mh_flags_directory, | ||
525 | cached_data->mh_quoted_mb, | ||
526 | cached_data->mh_flags_store); | ||
527 | |||
528 | return MAIL_NO_ERROR; | ||
529 | } | ||
530 | |||
531 | /* folders operations */ | ||
532 | |||
533 | static int mhdriver_cached_build_folder_name(mailsession * session, char * mb, | ||
534 | char * name, char ** result) | ||
535 | { | ||
536 | return mailsession_build_folder_name(get_ancestor(session), | ||
537 | mb, name, result); | ||
538 | } | ||
539 | |||
540 | static int mhdriver_cached_create_folder(mailsession * session, char * mb) | ||
541 | { | ||
542 | return mailsession_create_folder(get_ancestor(session), mb); | ||
543 | } | ||
544 | |||
545 | static int mhdriver_cached_delete_folder(mailsession * session, char * mb) | ||
546 | { | ||
547 | return mailsession_delete_folder(get_ancestor(session), mb); | ||
548 | } | ||
549 | |||
550 | static int mhdriver_cached_rename_folder(mailsession * session, char * mb, | ||
551 | char * new_name) | ||
552 | { | ||
553 | return mailsession_rename_folder(get_ancestor(session), mb, new_name); | ||
554 | } | ||
555 | |||
556 | static int get_cache_directory(mailsession * session, | ||
557 | char * path, char ** result) | ||
558 | { | ||
559 | char * quoted_mb; | ||
560 | char dirname[PATH_MAX]; | ||
561 | int res; | ||
562 | int r; | ||
563 | struct mh_cached_session_state_data * cached_data; | ||
564 | |||
565 | cached_data = get_cached_data(session); | ||
566 | |||
567 | quoted_mb = maildriver_quote_mailbox(path); | ||
568 | if (quoted_mb == NULL) { | ||
569 | res = MAIL_ERROR_MEMORY; | ||
570 | goto err; | ||
571 | } | ||
572 | |||
573 | snprintf(dirname, PATH_MAX, "%s/%s", | ||
574 | cached_data->mh_cache_directory, quoted_mb); | ||
575 | |||
576 | r = generic_cache_create_dir(dirname); | ||
577 | if (r != MAIL_NO_ERROR) { | ||
578 | res = r; | ||
579 | goto free; | ||
580 | } | ||
581 | |||
582 | snprintf(dirname, PATH_MAX, "%s/%s", | ||
583 | cached_data->mh_flags_directory, quoted_mb); | ||
584 | |||
585 | r = generic_cache_create_dir(dirname); | ||
586 | if (r != MAIL_NO_ERROR) { | ||
587 | res = r; | ||
588 | goto free; | ||
589 | } | ||
590 | |||
591 | * result = quoted_mb; | ||
592 | |||
593 | return MAIL_NO_ERROR; | ||
594 | |||
595 | free: | ||
596 | free(quoted_mb); | ||
597 | err: | ||
598 | return res; | ||
599 | } | ||
600 | |||
601 | static int mhdriver_cached_select_folder(mailsession * session, char * mb) | ||
602 | { | ||
603 | int r; | ||
604 | int res; | ||
605 | char * quoted_mb; | ||
606 | struct mh_cached_session_state_data * cached_data; | ||
607 | |||
608 | cached_data = get_cached_data(session); | ||
609 | |||
610 | mh_flags_store_process(cached_data->mh_flags_directory, | ||
611 | cached_data->mh_quoted_mb, | ||
612 | cached_data->mh_flags_store); | ||
613 | |||
614 | r = get_cache_directory(session, mb, "ed_mb); | ||
615 | if (r != MAIL_NO_ERROR) { | ||
616 | res = r; | ||
617 | goto err; | ||
618 | } | ||
619 | |||
620 | r = mailsession_select_folder(get_ancestor(session), mb); | ||
621 | if (r != MAIL_NO_ERROR) { | ||
622 | res = r; | ||
623 | goto free; | ||
624 | } | ||
625 | |||
626 | r = write_max_uid_value(session); | ||
627 | |||
628 | free_state(cached_data); | ||
629 | cached_data->mh_quoted_mb = quoted_mb; | ||
630 | |||
631 | r = read_max_uid_value(session); | ||
632 | |||
633 | return MAIL_NO_ERROR; | ||
634 | |||
635 | free: | ||
636 | free(quoted_mb); | ||
637 | err: | ||
638 | return res; | ||
639 | } | ||
640 | |||
641 | static int mhdriver_cached_expunge_folder(mailsession * session) | ||
642 | { | ||
643 | struct mailmh_folder * folder; | ||
644 | int res; | ||
645 | char filename_flags[PATH_MAX]; | ||
646 | struct mail_cache_db * cache_db_flags; | ||
647 | MMAPString * mmapstr; | ||
648 | struct mh_cached_session_state_data * cached_data; | ||
649 | unsigned int i; | ||
650 | int r; | ||
651 | |||
652 | cached_data = get_cached_data(session); | ||
653 | if (cached_data->mh_quoted_mb == NULL) { | ||
654 | res = MAIL_ERROR_BAD_STATE; | ||
655 | goto err; | ||
656 | } | ||
657 | |||
658 | mh_flags_store_process(cached_data->mh_flags_directory, | ||
659 | cached_data->mh_quoted_mb, | ||
660 | cached_data->mh_flags_store); | ||
661 | |||
662 | folder = get_mh_cur_folder(session); | ||
663 | if (folder == NULL) { | ||
664 | res = MAIL_ERROR_BAD_STATE; | ||
665 | goto err; | ||
666 | } | ||
667 | |||
668 | snprintf(filename_flags, PATH_MAX, "%s/%s/%s", | ||
669 | cached_data->mh_flags_directory, cached_data->mh_quoted_mb, FLAGS_NAME); | ||
670 | |||
671 | r = mail_cache_db_open_lock(filename_flags, &cache_db_flags); | ||
672 | if (r < 0) { | ||
673 | res = MAIL_ERROR_FILE; | ||
674 | goto err; | ||
675 | } | ||
676 | |||
677 | mmapstr = mmap_string_new(""); | ||
678 | if (mmapstr == NULL) { | ||
679 | res = MAIL_ERROR_MEMORY; | ||
680 | goto close_db_flags; | ||
681 | } | ||
682 | |||
683 | for(i = 0 ; i < carray_count(folder->fl_msgs_tab) ; i++) { | ||
684 | struct mailmh_msg_info * mh_info; | ||
685 | struct mail_flags * flags; | ||
686 | |||
687 | mh_info = carray_get(folder->fl_msgs_tab, i); | ||
688 | if (mh_info == NULL) | ||
689 | continue; | ||
690 | |||
691 | r = mhdriver_get_cached_flags(cache_db_flags, mmapstr, | ||
692 | session, mh_info->msg_index, &flags); | ||
693 | if (r != MAIL_NO_ERROR) | ||
694 | continue; | ||
695 | |||
696 | if (flags->fl_flags & MAIL_FLAG_DELETED) { | ||
697 | r = mailmh_folder_remove_message(folder, mh_info->msg_index); | ||
698 | } | ||
699 | |||
700 | mail_flags_free(flags); | ||
701 | } | ||
702 | |||
703 | mmap_string_free(mmapstr); | ||
704 | mail_cache_db_close_unlock(filename_flags, cache_db_flags); | ||
705 | |||
706 | mailmh_folder_update(folder); | ||
707 | |||
708 | return MAIL_NO_ERROR; | ||
709 | |||
710 | close_db_flags: | ||
711 | mail_cache_db_close_unlock(filename_flags, cache_db_flags); | ||
712 | err: | ||
713 | return res; | ||
714 | } | ||
715 | |||
716 | |||
717 | static int mhdriver_cached_status_folder(mailsession * session, char * mb, | ||
718 | uint32_t * result_messages, | ||
719 | uint32_t * result_recent, | ||
720 | uint32_t * result_unseen) | ||
721 | { | ||
722 | struct mailmh_folder * folder; | ||
723 | int res; | ||
724 | char filename_flags[PATH_MAX]; | ||
725 | struct mail_cache_db * cache_db_flags; | ||
726 | MMAPString * mmapstr; | ||
727 | struct mh_cached_session_state_data * cached_data; | ||
728 | unsigned int i; | ||
729 | int r; | ||
730 | uint32_t count; | ||
731 | uint32_t recent; | ||
732 | uint32_t unseen; | ||
733 | |||
734 | r = mhdriver_cached_select_folder(session, mb); | ||
735 | if (r != MAIL_NO_ERROR) { | ||
736 | res = r; | ||
737 | goto err; | ||
738 | } | ||
739 | |||
740 | count = 0; | ||
741 | recent = 0; | ||
742 | unseen = 0; | ||
743 | |||
744 | folder = get_mh_cur_folder(session); | ||
745 | if (folder == NULL) { | ||
746 | res = MAIL_ERROR_BAD_STATE; | ||
747 | goto err; | ||
748 | } | ||
749 | |||
750 | cached_data = get_cached_data(session); | ||
751 | if (cached_data->mh_quoted_mb == NULL) { | ||
752 | res = MAIL_ERROR_BAD_STATE; | ||
753 | goto err; | ||
754 | } | ||
755 | |||
756 | snprintf(filename_flags, PATH_MAX, "%s/%s/%s", | ||
757 | cached_data->mh_flags_directory, | ||
758 | cached_data->mh_quoted_mb, FLAGS_NAME); | ||
759 | |||
760 | r = mail_cache_db_open_lock(filename_flags, &cache_db_flags); | ||
761 | if (r < 0) { | ||
762 | res = MAIL_ERROR_FILE; | ||
763 | goto err; | ||
764 | } | ||
765 | |||
766 | mmapstr = mmap_string_new(""); | ||
767 | if (mmapstr == NULL) { | ||
768 | res = MAIL_ERROR_MEMORY; | ||
769 | goto close_db_flags; | ||
770 | } | ||
771 | |||
772 | for(i = 0 ; i < carray_count(folder->fl_msgs_tab) ; i++) { | ||
773 | struct mailmh_msg_info * mh_info; | ||
774 | struct mail_flags * flags; | ||
775 | |||
776 | mh_info = carray_get(folder->fl_msgs_tab, i); | ||
777 | if (mh_info == NULL) | ||
778 | continue; | ||
779 | |||
780 | count ++; | ||
781 | |||
782 | r = mhdriver_get_cached_flags(cache_db_flags, mmapstr, | ||
783 | session, mh_info->msg_index, | ||
784 | &flags); | ||
785 | |||
786 | if (r != MAIL_NO_ERROR) { | ||
787 | recent ++; | ||
788 | unseen ++; | ||
789 | continue; | ||
790 | } | ||
791 | |||
792 | if ((flags->fl_flags & MAIL_FLAG_NEW) != 0) { | ||
793 | recent ++; | ||
794 | } | ||
795 | if ((flags->fl_flags & MAIL_FLAG_SEEN) == 0) { | ||
796 | unseen ++; | ||
797 | } | ||
798 | mail_flags_free(flags); | ||
799 | } | ||
800 | |||
801 | mmap_string_free(mmapstr); | ||
802 | mail_cache_db_close_unlock(filename_flags, cache_db_flags); | ||
803 | |||
804 | * result_messages = count; | ||
805 | * result_recent = recent; | ||
806 | * result_unseen = unseen; | ||
807 | |||
808 | return MAIL_NO_ERROR; | ||
809 | |||
810 | close_db_flags: | ||
811 | mail_cache_db_close_unlock(filename_flags, cache_db_flags); | ||
812 | err: | ||
813 | return res; | ||
814 | } | ||
815 | |||
816 | static int mhdriver_cached_messages_number(mailsession * session, char * mb, | ||
817 | uint32_t * result) | ||
818 | { | ||
819 | return mailsession_messages_number(get_ancestor(session), mb, result); | ||
820 | } | ||
821 | |||
822 | static int mhdriver_cached_recent_number(mailsession * session, char * mb, | ||
823 | uint32_t * result) | ||
824 | { | ||
825 | uint32_t messages; | ||
826 | uint32_t recent; | ||
827 | uint32_t unseen; | ||
828 | int r; | ||
829 | |||
830 | r = mhdriver_cached_status_folder(session, mb, &messages, &recent, &unseen); | ||
831 | if (r != MAIL_NO_ERROR) | ||
832 | return r; | ||
833 | |||
834 | * result = recent; | ||
835 | |||
836 | return MAIL_NO_ERROR; | ||
837 | } | ||
838 | |||
839 | |||
840 | static int mhdriver_cached_unseen_number(mailsession * session, char * mb, | ||
841 | uint32_t * result) | ||
842 | { | ||
843 | uint32_t messages; | ||
844 | uint32_t recent; | ||
845 | uint32_t unseen; | ||
846 | int r; | ||
847 | |||
848 | r = mhdriver_cached_status_folder(session, mb, &messages, &recent, &unseen); | ||
849 | if (r != MAIL_NO_ERROR) | ||
850 | return r; | ||
851 | |||
852 | * result = recent; | ||
853 | |||
854 | return MAIL_NO_ERROR; | ||
855 | } | ||
856 | |||
857 | |||
858 | static int mhdriver_cached_list_folders(mailsession * session, char * mb, | ||
859 | struct mail_list ** result) | ||
860 | { | ||
861 | return mailsession_list_folders(get_ancestor(session), mb, result); | ||
862 | } | ||
863 | |||
864 | static int mhdriver_cached_lsub_folders(mailsession * session, char * mb, | ||
865 | struct mail_list ** result) | ||
866 | { | ||
867 | return mailsession_lsub_folders(get_ancestor(session), mb, result); | ||
868 | } | ||
869 | |||
870 | static int mhdriver_cached_subscribe_folder(mailsession * session, char * mb) | ||
871 | { | ||
872 | return mailsession_subscribe_folder(get_ancestor(session), mb); | ||
873 | } | ||
874 | |||
875 | static int mhdriver_cached_unsubscribe_folder(mailsession * session, | ||
876 | char * mb) | ||
877 | { | ||
878 | return mailsession_unsubscribe_folder(get_ancestor(session), mb); | ||
879 | } | ||
880 | |||
881 | /* messages operations */ | ||
882 | |||
883 | static int mhdriver_cached_append_message(mailsession * session, | ||
884 | char * message, size_t size) | ||
885 | { | ||
886 | return mailsession_append_message(get_ancestor(session), message, size); | ||
887 | } | ||
888 | |||
889 | static int mhdriver_cached_copy_message(mailsession * session, | ||
890 | uint32_t num, char * mb) | ||
891 | { | ||
892 | return mailsession_copy_message(get_ancestor(session), num, mb); | ||
893 | } | ||
894 | |||
895 | static int mhdriver_cached_remove_message(mailsession * session, uint32_t num) | ||
896 | { | ||
897 | return mailsession_remove_message(get_ancestor(session), num); | ||
898 | } | ||
899 | |||
900 | static int mhdriver_cached_move_message(mailsession * session, | ||
901 | uint32_t num, char * mb) | ||
902 | { | ||
903 | return mailsession_move_message(get_ancestor(session), num, mb); | ||
904 | } | ||
905 | |||
906 | static int | ||
907 | mhdriver_cached_get_messages_list(mailsession * session, | ||
908 | struct mailmessage_list ** result) | ||
909 | { | ||
910 | struct mailmh_folder * folder; | ||
911 | int res; | ||
912 | |||
913 | folder = get_mh_cur_folder(session); | ||
914 | if (folder == NULL) { | ||
915 | res = MAIL_ERROR_BAD_STATE; | ||
916 | goto err; | ||
917 | } | ||
918 | |||
919 | return mh_get_messages_list(folder, session, | ||
920 | mh_cached_message_driver, result); | ||
921 | |||
922 | err: | ||
923 | return res; | ||
924 | } | ||
925 | |||
926 | |||
927 | |||
928 | static int | ||
929 | get_cached_envelope(struct mail_cache_db * cache_db, MMAPString * mmapstr, | ||
930 | mailsession * session, uint32_t num, | ||
931 | struct mailimf_fields ** result) | ||
932 | { | ||
933 | int r; | ||
934 | char keyname[PATH_MAX]; | ||
935 | struct mailimf_fields * fields; | ||
936 | int res; | ||
937 | struct mailmh_folder * folder; | ||
938 | struct mailmh_msg_info * msg_info; | ||
939 | chashdatum key; | ||
940 | chashdatum data; | ||
941 | |||
942 | folder = get_mh_cur_folder(session); | ||
943 | |||
944 | #if 0 | ||
945 | msg_info = cinthash_find(mh_data->mh_cur_folder->fl_msgs_hash, num); | ||
946 | if (msg_info == NULL) | ||
947 | return MAIL_ERROR_CACHE_MISS; | ||
948 | #endif | ||
949 | key.data = # | ||
950 | key.len = sizeof(num); | ||
951 | r = chash_get(folder->fl_msgs_hash, &key, &data); | ||
952 | if (r < 0) | ||
953 | return MAIL_ERROR_CACHE_MISS; | ||
954 | msg_info = data.data; | ||
955 | |||
956 | snprintf(keyname, PATH_MAX, "%u-%u-%u-envelope", | ||
957 | num, (uint32_t) msg_info->msg_mtime, msg_info->msg_size); | ||
958 | |||
959 | r = generic_cache_fields_read(cache_db, mmapstr, keyname, &fields); | ||
960 | if (r != MAIL_NO_ERROR) { | ||
961 | res = r; | ||
962 | goto err; | ||
963 | } | ||
964 | |||
965 | * result = fields; | ||
966 | |||
967 | return MAIL_NO_ERROR; | ||
968 | |||
969 | err: | ||
970 | return res; | ||
971 | } | ||
972 | |||
973 | static int | ||
974 | write_cached_envelope(struct mail_cache_db * cache_db, MMAPString * mmapstr, | ||
975 | mailsession * session, uint32_t num, | ||
976 | struct mailimf_fields * fields) | ||
977 | { | ||
978 | int r; | ||
979 | char keyname[PATH_MAX]; | ||
980 | int res; | ||
981 | struct mailmh_folder * folder; | ||
982 | chashdatum key; | ||
983 | chashdatum data; | ||
984 | struct mailmh_msg_info * msg_info; | ||
985 | |||
986 | folder = get_mh_cur_folder(session); | ||
987 | #if 0 | ||
988 | msg_info = cinthash_find(mh_data->mh_cur_folder->fl_msgs_hash, num); | ||
989 | if (msg_info == NULL) { | ||
990 | res = MAIL_ERROR_CACHE_MISS; | ||
991 | goto err; | ||
992 | } | ||
993 | #endif | ||
994 | key.data = # | ||
995 | key.len = sizeof(num); | ||
996 | r = chash_get(folder->fl_msgs_hash, &key, &data); | ||
997 | if (r < 0) | ||
998 | return MAIL_ERROR_CACHE_MISS; | ||
999 | msg_info = data.data; | ||
1000 | |||
1001 | snprintf(keyname, PATH_MAX, "%u-%u-%u-envelope", | ||
1002 | num, (uint32_t) msg_info->msg_mtime, msg_info->msg_size); | ||
1003 | |||
1004 | r = generic_cache_fields_write(cache_db, mmapstr, keyname, fields); | ||
1005 | if (r != MAIL_NO_ERROR) { | ||
1006 | res = r; | ||
1007 | goto err; | ||
1008 | } | ||
1009 | |||
1010 | return MAIL_NO_ERROR; | ||
1011 | |||
1012 | err: | ||
1013 | return res; | ||
1014 | } | ||
1015 | |||
1016 | static int | ||
1017 | mhdriver_cached_get_envelopes_list(mailsession * session, | ||
1018 | struct mailmessage_list * env_list) | ||
1019 | { | ||
1020 | int r; | ||
1021 | unsigned int i; | ||
1022 | char filename_env[PATH_MAX]; | ||
1023 | char filename_flags[PATH_MAX]; | ||
1024 | struct mail_cache_db * cache_db_env; | ||
1025 | struct mail_cache_db * cache_db_flags; | ||
1026 | MMAPString * mmapstr; | ||
1027 | int res; | ||
1028 | struct mh_cached_session_state_data * cached_data; | ||
1029 | |||
1030 | cached_data = get_cached_data(session); | ||
1031 | if (cached_data->mh_quoted_mb == NULL) { | ||
1032 | res = MAIL_ERROR_BAD_STATE; | ||
1033 | goto err; | ||
1034 | } | ||
1035 | |||
1036 | mh_flags_store_process(cached_data->mh_flags_directory, | ||
1037 | cached_data->mh_quoted_mb, | ||
1038 | cached_data->mh_flags_store); | ||
1039 | |||
1040 | mmapstr = mmap_string_new(""); | ||
1041 | if (mmapstr == NULL) { | ||
1042 | res = MAIL_ERROR_MEMORY; | ||
1043 | goto err; | ||
1044 | } | ||
1045 | |||
1046 | snprintf(filename_env, PATH_MAX, "%s/%s/%s", | ||
1047 | cached_data->mh_cache_directory, | ||
1048 | cached_data->mh_quoted_mb, ENV_NAME); | ||
1049 | |||
1050 | r = mail_cache_db_open_lock(filename_env, &cache_db_env); | ||
1051 | if (r < 0) { | ||
1052 | res = MAIL_ERROR_MEMORY; | ||
1053 | goto free_mmapstr; | ||
1054 | } | ||
1055 | |||
1056 | snprintf(filename_flags, PATH_MAX, "%s/%s/%s", | ||
1057 | cached_data->mh_flags_directory, cached_data->mh_quoted_mb, FLAGS_NAME); | ||
1058 | |||
1059 | r = mail_cache_db_open_lock(filename_flags, &cache_db_flags); | ||
1060 | if (r < 0) { | ||
1061 | res = MAIL_ERROR_MEMORY; | ||
1062 | goto close_db_env; | ||
1063 | } | ||
1064 | |||
1065 | /* fill with cached */ | ||
1066 | |||
1067 | for(i = 0 ; i < carray_count(env_list->msg_tab) ; i ++) { | ||
1068 | mailmessage * msg; | ||
1069 | struct mailimf_fields * fields; | ||
1070 | struct mail_flags * flags; | ||
1071 | |||
1072 | msg = carray_get(env_list->msg_tab, i); | ||
1073 | |||
1074 | if (msg->msg_fields == NULL) { | ||
1075 | r = get_cached_envelope(cache_db_env, mmapstr, | ||
1076 | msg->msg_session, msg->msg_index, &fields); | ||
1077 | if (r == MAIL_NO_ERROR) { | ||
1078 | msg->msg_cached = TRUE; | ||
1079 | msg->msg_fields = fields; | ||
1080 | } | ||
1081 | } | ||
1082 | |||
1083 | if (msg->msg_flags == NULL) { | ||
1084 | r = mhdriver_get_cached_flags(cache_db_flags, mmapstr, | ||
1085 | session, msg->msg_index, &flags); | ||
1086 | if (r == MAIL_NO_ERROR) { | ||
1087 | msg->msg_flags = flags; | ||
1088 | } | ||
1089 | } | ||
1090 | } | ||
1091 | |||
1092 | mail_cache_db_close_unlock(filename_flags, cache_db_flags); | ||
1093 | mail_cache_db_close_unlock(filename_env, cache_db_env); | ||
1094 | |||
1095 | r = mailsession_get_envelopes_list(get_ancestor(session), env_list); | ||
1096 | |||
1097 | if (r != MAIL_NO_ERROR) { | ||
1098 | res = r; | ||
1099 | goto free_mmapstr; | ||
1100 | } | ||
1101 | |||
1102 | r = mail_cache_db_open_lock(filename_env, &cache_db_env); | ||
1103 | if (r < 0) { | ||
1104 | res = MAIL_ERROR_MEMORY; | ||
1105 | goto free_mmapstr; | ||
1106 | } | ||
1107 | |||
1108 | r = mail_cache_db_open_lock(filename_flags, &cache_db_flags); | ||
1109 | if (r < 0) { | ||
1110 | res = MAIL_ERROR_MEMORY; | ||
1111 | goto close_db_env; | ||
1112 | } | ||
1113 | |||
1114 | /* add flags */ | ||
1115 | |||
1116 | for(i = 0 ; i < carray_count(env_list->msg_tab) ; i ++) { | ||
1117 | mailmessage * msg; | ||
1118 | |||
1119 | msg = carray_get(env_list->msg_tab, i); | ||
1120 | |||
1121 | if (msg->msg_flags == NULL) | ||
1122 | msg->msg_flags = mail_flags_new_empty(); | ||
1123 | } | ||
1124 | |||
1125 | /* must write cache */ | ||
1126 | |||
1127 | for(i = 0 ; i < carray_count(env_list->msg_tab) ; i ++) { | ||
1128 | mailmessage * msg; | ||
1129 | |||
1130 | msg = carray_get(env_list->msg_tab, i); | ||
1131 | |||
1132 | if (msg->msg_fields != NULL) { | ||
1133 | if (!msg->msg_cached) { | ||
1134 | r = write_cached_envelope(cache_db_env, mmapstr, | ||
1135 | session, msg->msg_index, msg->msg_fields); | ||
1136 | } | ||
1137 | } | ||
1138 | |||
1139 | if (msg->msg_flags != NULL) { | ||
1140 | r = mhdriver_write_cached_flags(cache_db_flags, mmapstr, | ||
1141 | msg->msg_uid, msg->msg_flags); | ||
1142 | } | ||
1143 | } | ||
1144 | |||
1145 | /* flush cache */ | ||
1146 | |||
1147 | maildriver_cache_clean_up(cache_db_env, cache_db_flags, env_list); | ||
1148 | |||
1149 | mail_cache_db_close_unlock(filename_flags, cache_db_flags); | ||
1150 | mail_cache_db_close_unlock(filename_env, cache_db_env); | ||
1151 | |||
1152 | mmap_string_free(mmapstr); | ||
1153 | |||
1154 | return MAIL_NO_ERROR; | ||
1155 | |||
1156 | close_db_env: | ||
1157 | mail_cache_db_close_unlock(filename_env, cache_db_env); | ||
1158 | free_mmapstr: | ||
1159 | mmap_string_free(mmapstr); | ||
1160 | err: | ||
1161 | return res; | ||
1162 | } | ||
1163 | |||
1164 | static int mhdriver_cached_get_message(mailsession * session, | ||
1165 | uint32_t num, mailmessage ** result) | ||
1166 | { | ||
1167 | mailmessage * msg_info; | ||
1168 | int r; | ||
1169 | |||
1170 | msg_info = mailmessage_new(); | ||
1171 | if (msg_info == NULL) | ||
1172 | return MAIL_ERROR_MEMORY; | ||
1173 | |||
1174 | r = mailmessage_init(msg_info, session, mh_cached_message_driver, num, 0); | ||
1175 | if (r != MAIL_NO_ERROR) | ||
1176 | return r; | ||
1177 | |||
1178 | * result = msg_info; | ||
1179 | |||
1180 | return MAIL_NO_ERROR; | ||
1181 | } | ||
1182 | |||
1183 | static int mhdriver_cached_get_message_by_uid(mailsession * session, | ||
1184 | const char * uid, | ||
1185 | mailmessage ** result) | ||
1186 | { | ||
1187 | uint32_t index; | ||
1188 | char *p; | ||
1189 | struct mailmh_msg_info * mh_msg_info; | ||
1190 | struct mailmh_folder * folder; | ||
1191 | time_t mtime; | ||
1192 | char * mtime_p; | ||
1193 | chashdatum key; | ||
1194 | chashdatum data; | ||
1195 | int r; | ||
1196 | |||
1197 | if (uid == NULL) | ||
1198 | return MAIL_ERROR_INVAL; | ||
1199 | |||
1200 | index = strtoul(uid, &p, 10); | ||
1201 | if (p == uid || * p != '-') | ||
1202 | return MAIL_ERROR_INVAL; | ||
1203 | |||
1204 | folder = get_mh_cur_folder(session); | ||
1205 | |||
1206 | mh_msg_info = NULL; | ||
1207 | key.data = &index; | ||
1208 | key.len = sizeof(index); | ||
1209 | r = chash_get(folder->fl_msgs_hash, &key, &data); | ||
1210 | if (r < 0) | ||
1211 | return MAIL_ERROR_MSG_NOT_FOUND; | ||
1212 | |||
1213 | mh_msg_info = data.data; | ||
1214 | |||
1215 | mtime_p = p + 1; | ||
1216 | |||
1217 | mtime = strtoul(mtime_p, &p, 10); | ||
1218 | if ((* p == '-') && (mtime == mh_msg_info->msg_mtime)) { | ||
1219 | size_t size; | ||
1220 | char *size_p; | ||
1221 | |||
1222 | size_p = p + 1; | ||
1223 | size = strtoul(size_p, &p, 10); | ||
1224 | if ((* p == '\0') && (size == mh_msg_info->msg_size)) | ||
1225 | return mhdriver_cached_get_message(session, index, result); | ||
1226 | } | ||
1227 | else if (*p != '-') { | ||
1228 | return MAIL_ERROR_INVAL; | ||
1229 | } | ||
1230 | |||
1231 | return MAIL_ERROR_MSG_NOT_FOUND; | ||
1232 | } | ||