2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2006 Hiroyuki Yamamoto & The Sylpheed Claws Team
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
23 #include <glib/gi18n.h>
25 #include <sys/types.h>
36 #if G_BYTE_ORDER == G_BIG_ENDIAN
38 ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
39 (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
41 #define MMAP_TO_GUINT32(x) \
43 ((x[2]&0xff) << 8) | \
44 ((x[1]&0xff) << 16) | \
47 #define MMAP_TO_GUINT32_SWAPPED(x) \
49 ((x[1]&0xff) << 8) | \
50 ((x[2]&0xff) << 16) | \
53 static gboolean msgcache_use_mmap_read = TRUE;
54 static gboolean msgcache_use_mmap_write = FALSE;
57 #define bswap_32(x) (x)
59 #define MMAP_TO_GUINT32(x) \
61 ((x[1]&0xff) << 8) | \
62 ((x[2]&0xff) << 16) | \
65 #define MMAP_TO_GUINT32_SWAPPED(x) \
67 ((x[1]&0xff) << 8) | \
68 ((x[2]&0xff) << 16) | \
71 static gboolean msgcache_use_mmap_read = TRUE;
72 static gboolean msgcache_use_mmap_write = FALSE;
75 static gboolean swapping = TRUE;
85 GHashTable *msgnum_table;
86 GHashTable *msgid_table;
91 typedef struct _StringConverter StringConverter;
92 struct _StringConverter {
93 gchar *(*convert) (StringConverter *converter, gchar *srcstr);
94 void (*free) (StringConverter *converter);
97 typedef struct _StrdupConverter StrdupConverter;
98 struct _StrdupConverter {
99 StringConverter converter;
102 typedef struct _CharsetConverter CharsetConverter;
103 struct _CharsetConverter {
104 StringConverter converter;
110 MsgCache *msgcache_new(void)
114 cache = g_new0(MsgCache, 1),
115 cache->msgnum_table = g_hash_table_new(g_int_hash, g_int_equal);
116 cache->msgid_table = g_hash_table_new(g_str_hash, g_str_equal);
117 cache->last_access = time(NULL);
122 static gboolean msgcache_msginfo_free_func(gpointer num, gpointer msginfo, gpointer user_data)
124 procmsg_msginfo_free((MsgInfo *)msginfo);
128 void msgcache_destroy(MsgCache *cache)
130 g_return_if_fail(cache != NULL);
132 g_hash_table_foreach_remove(cache->msgnum_table, msgcache_msginfo_free_func, NULL);
133 g_hash_table_destroy(cache->msgid_table);
134 g_hash_table_destroy(cache->msgnum_table);
138 void msgcache_add_msg(MsgCache *cache, MsgInfo *msginfo)
142 g_return_if_fail(cache != NULL);
143 g_return_if_fail(msginfo != NULL);
145 newmsginfo = procmsg_msginfo_new_ref(msginfo);
146 g_hash_table_insert(cache->msgnum_table, &newmsginfo->msgnum, newmsginfo);
147 if(newmsginfo->msgid != NULL)
148 g_hash_table_insert(cache->msgid_table, newmsginfo->msgid, newmsginfo);
149 cache->memusage += procmsg_msginfo_memusage(msginfo);
150 cache->last_access = time(NULL);
152 debug_print("Cache size: %d messages, %d bytes\n", g_hash_table_size(cache->msgnum_table), cache->memusage);
155 void msgcache_remove_msg(MsgCache *cache, guint msgnum)
159 g_return_if_fail(cache != NULL);
160 g_return_if_fail(msgnum > 0);
162 msginfo = (MsgInfo *) g_hash_table_lookup(cache->msgnum_table, &msgnum);
166 cache->memusage -= procmsg_msginfo_memusage(msginfo);
168 g_hash_table_remove(cache->msgid_table, msginfo->msgid);
169 g_hash_table_remove(cache->msgnum_table, &msginfo->msgnum);
170 procmsg_msginfo_free(msginfo);
171 cache->last_access = time(NULL);
173 debug_print("Cache size: %d messages, %d byte\n", g_hash_table_size(cache->msgnum_table), cache->memusage);
176 void msgcache_update_msg(MsgCache *cache, MsgInfo *msginfo)
178 MsgInfo *oldmsginfo, *newmsginfo;
180 g_return_if_fail(cache != NULL);
181 g_return_if_fail(msginfo != NULL);
183 oldmsginfo = g_hash_table_lookup(cache->msgnum_table, &msginfo->msgnum);
184 if(oldmsginfo && oldmsginfo->msgid)
185 g_hash_table_remove(cache->msgid_table, oldmsginfo->msgid);
187 g_hash_table_remove(cache->msgnum_table, &oldmsginfo->msgnum);
188 cache->memusage -= procmsg_msginfo_memusage(oldmsginfo);
189 procmsg_msginfo_free(oldmsginfo);
192 newmsginfo = procmsg_msginfo_new_ref(msginfo);
193 g_hash_table_insert(cache->msgnum_table, &newmsginfo->msgnum, newmsginfo);
194 if(newmsginfo->msgid)
195 g_hash_table_insert(cache->msgid_table, newmsginfo->msgid, newmsginfo);
196 cache->memusage += procmsg_msginfo_memusage(newmsginfo);
197 cache->last_access = time(NULL);
199 debug_print("Cache size: %d messages, %d byte\n", g_hash_table_size(cache->msgnum_table), cache->memusage);
204 MsgInfo *msgcache_get_msg(MsgCache *cache, guint num)
208 g_return_val_if_fail(cache != NULL, NULL);
210 msginfo = g_hash_table_lookup(cache->msgnum_table, &num);
213 cache->last_access = time(NULL);
215 return procmsg_msginfo_new_ref(msginfo);
218 MsgInfo *msgcache_get_msg_by_id(MsgCache *cache, const gchar *msgid)
222 g_return_val_if_fail(cache != NULL, NULL);
223 g_return_val_if_fail(msgid != NULL, NULL);
225 msginfo = g_hash_table_lookup(cache->msgid_table, msgid);
228 cache->last_access = time(NULL);
230 return procmsg_msginfo_new_ref(msginfo);
233 static void msgcache_get_msg_list_func(gpointer key, gpointer value, gpointer user_data)
235 MsgInfoList **listptr = user_data;
236 MsgInfo *msginfo = value;
238 *listptr = g_slist_prepend(*listptr, procmsg_msginfo_new_ref(msginfo));
241 MsgInfoList *msgcache_get_msg_list(MsgCache *cache)
243 MsgInfoList *msg_list = NULL;
245 g_return_val_if_fail(cache != NULL, NULL);
247 g_hash_table_foreach((GHashTable *)cache->msgnum_table, msgcache_get_msg_list_func, (gpointer)&msg_list);
248 cache->last_access = time(NULL);
250 msg_list = g_slist_reverse(msg_list);
255 time_t msgcache_get_last_access_time(MsgCache *cache)
257 g_return_val_if_fail(cache != NULL, 0);
259 return cache->last_access;
262 gint msgcache_get_memory_usage(MsgCache *cache)
264 g_return_val_if_fail(cache != NULL, 0);
266 return cache->memusage;
270 * Cache saving functions
273 #define READ_CACHE_DATA(data, fp, total_len) \
275 if ((tmp_len = msgcache_read_cache_data_str(fp, &data, conv)) < 0) { \
276 procmsg_msginfo_free(msginfo); \
280 total_len += tmp_len; \
283 #define READ_CACHE_DATA_INT(n, fp) \
288 if ((ni = fread(&idata, sizeof(idata), 1, fp)) != 1) { \
289 g_warning("read_int: Cache data corrupted, read %d of %d at " \
290 "offset %ld\n", ni, sizeof(idata), ftell(fp)); \
291 procmsg_msginfo_free(msginfo); \
295 n = swapping ? bswap_32(idata) : (idata);\
298 #define GET_CACHE_DATA_INT(n) \
300 n = (swapping ? (MMAP_TO_GUINT32_SWAPPED(walk_data)):(MMAP_TO_GUINT32(walk_data))); \
301 walk_data += 4; rem_len -= 4; \
304 #define GET_CACHE_DATA(data, total_len) \
306 GET_CACHE_DATA_INT(tmp_len); \
307 if ((tmp_len = msgcache_get_cache_data_str(walk_data, &data, tmp_len, conv)) < 0) { \
308 printf("error at rem_len:%d\n", rem_len);\
309 procmsg_msginfo_free(msginfo); \
313 total_len += tmp_len; \
314 walk_data += tmp_len; rem_len -= tmp_len; \
318 #define WRITE_CACHE_DATA_INT(n, fp) \
322 idata = (guint32)bswap_32(n); \
323 if (fwrite(&idata, sizeof(idata), 1, fp) != 1) \
328 #define PUT_CACHE_DATA_INT(n) \
330 walk_data[0]=(((guint32)n)&0x000000ff); \
331 walk_data[1]=(((guint32)n)&0x0000ff00)>>8; \
332 walk_data[2]=(((guint32)n)&0x00ff0000)>>16; \
333 walk_data[3]=(((guint32)n)&0xff000000)>>24; \
338 #define WRITE_CACHE_DATA(data, fp) \
344 len = strlen(data); \
345 WRITE_CACHE_DATA_INT(len, fp); \
346 if (w_err == 0 && len > 0) { \
347 if (fwrite(data, 1, len, fp) != len) \
353 #define PUT_CACHE_DATA(data) \
359 len = strlen(data); \
360 PUT_CACHE_DATA_INT(len); \
362 memcpy(walk_data, data, len); \
368 static FILE *msgcache_open_data_file(const gchar *file, guint version,
370 gchar *buf, size_t buf_size)
375 g_return_val_if_fail(file != NULL, NULL);
377 if (mode == DATA_WRITE) {
378 int w_err = 0, wrote = 0;
379 if ((fp = g_fopen(file, "w+")) == NULL) {
380 FILE_OP_ERROR(file, "fopen");
383 if (change_file_mode_rw(fp, file) < 0)
384 FILE_OP_ERROR(file, "chmod");
386 WRITE_CACHE_DATA_INT(version, fp);
388 g_warning("failed to write int\n");
396 if ((fp = g_fopen(file, "rb")) == NULL)
397 debug_print("Mark/Cache file '%s' not found\n", file);
399 if (buf && buf_size > 0)
400 setvbuf(fp, buf, _IOFBF, buf_size);
401 if (fread(&data_ver, sizeof(data_ver), 1, fp) != 1 ||
402 version != bswap_32(data_ver)) {
403 g_message("%s: Mark/Cache version is different (%u != %u).\n",
404 file, bswap_32(data_ver), version);
408 data_ver = bswap_32(data_ver);
411 if (mode == DATA_READ)
415 /* reopen with append mode */
417 if ((fp = g_fopen(file, "ab")) == NULL)
418 FILE_OP_ERROR(file, "fopen");
420 /* open with overwrite mode if mark file doesn't exist or
421 version is different */
422 fp = msgcache_open_data_file(file, version, DATA_WRITE, buf,
429 static gint msgcache_read_cache_data_str(FILE *fp, gchar **str,
430 StringConverter *conv)
432 gchar *tmpstr = NULL;
438 if ((ni = fread(&len, sizeof(len), 1, fp) != 1) ||
440 g_warning("read_data_str: Cache data (len) corrupted, read %d "
441 "of %d bytes at offset %ld\n", ni, sizeof(len),
446 if ((ni = fread(&len, sizeof(len), 1, fp) != 1) ||
447 bswap_32(len) > G_MAXINT) {
448 g_warning("read_data_str: Cache data (len) corrupted, read %d "
449 "of %d bytes at offset %ld\n", ni, sizeof(len),
459 tmpstr = g_try_malloc(len + 1);
462 g_warning("read_data_str: can't g_malloc %d bytes - cache data probably corrupted.\n", len);
466 if ((ni = fread(tmpstr, 1, len, fp)) != len) {
467 g_warning("read_data_str: Cache data corrupted, read %d of %d "
468 "bytes at offset %ld\n",
476 *str = conv->convert(conv, tmpstr);
484 static gint msgcache_get_cache_data_str(gchar *src, gchar **str, gint len,
485 StringConverter *conv)
487 gchar *tmpstr = NULL;
494 tmpstr = g_try_malloc(len + 1);
497 g_warning("read_data_str: can't g_malloc %d bytes - cache data probably corrupted.\n", len);
501 strncpy(tmpstr, src, len);
506 *str = conv->convert(conv, tmpstr);
514 gchar *strconv_strdup_convert(StringConverter *conv, gchar *srcstr)
516 return g_strdup(srcstr);
519 gchar *strconv_charset_convert(StringConverter *conv, gchar *srcstr)
521 CharsetConverter *charsetconv = (CharsetConverter *) conv;
523 return conv_codeset_strdup(srcstr, charsetconv->srccharset, charsetconv->dstcharset);
526 void strconv_charset_free(StringConverter *conv)
528 CharsetConverter *charsetconv = (CharsetConverter *) conv;
530 g_free(charsetconv->srccharset);
531 g_free(charsetconv->dstcharset);
534 MsgCache *msgcache_read_cache(FolderItem *item, const gchar *cache_file)
539 MsgTmpFlags tmp_flags = 0;
540 gchar file_buf[BUFFSIZE];
543 gboolean error = FALSE;
544 StringConverter *conv = NULL;
545 gchar *srccharset = NULL;
546 const gchar *dstcharset = NULL;
549 gint tmp_len = 0, map_len = -1;
550 char *cache_data = NULL;
553 g_return_val_if_fail(cache_file != NULL, NULL);
554 g_return_val_if_fail(item != NULL, NULL);
558 /* In case we can't open the mark file with MARK_VERSION, check if we can open it with the
559 * swapped MARK_VERSION. As msgcache_open_data_file swaps it too, if this succeeds,
560 * it means it's the old version (not little-endian) on a big-endian machine. The code has
561 * no effect on x86 as their file doesn't change. */
563 if ((fp = msgcache_open_data_file
564 (cache_file, CACHE_VERSION, DATA_READ, file_buf, sizeof(file_buf))) == NULL) {
565 if ((fp = msgcache_open_data_file
566 (cache_file, bswap_32(CACHE_VERSION), DATA_READ, file_buf, sizeof(file_buf))) == NULL)
572 debug_print("\tReading %sswapped message cache from %s...\n", swapping?"":"un", cache_file);
574 if (folder_has_parent_of_type(item, F_QUEUE)) {
575 tmp_flags |= MSG_QUEUED;
576 } else if (folder_has_parent_of_type(item, F_DRAFT)) {
577 tmp_flags |= MSG_DRAFT;
580 if (msgcache_read_cache_data_str(fp, &srccharset, NULL) < 0)
582 dstcharset = CS_UTF_8;
583 if (srccharset == NULL || dstcharset == NULL) {
585 } else if (strcmp(srccharset, dstcharset) == 0) {
586 debug_print("using Noop Converter\n");
590 CharsetConverter *charsetconv;
592 debug_print("using CharsetConverter\n");
594 charsetconv = g_new0(CharsetConverter, 1);
595 charsetconv->converter.convert = strconv_charset_convert;
596 charsetconv->converter.free = strconv_charset_free;
597 charsetconv->srccharset = g_strdup(srccharset);
598 charsetconv->dstcharset = g_strdup(dstcharset);
600 conv = (StringConverter *) charsetconv;
604 cache = msgcache_new();
606 if (msgcache_use_mmap_read == TRUE) {
607 if (fstat(fileno(fp), &st) >= 0)
608 map_len = st.st_size;
612 cache_data = mmap(NULL, map_len, PROT_READ, MAP_PRIVATE, fileno(fp), 0);
616 if (cache_data != NULL && cache_data != MAP_FAILED) {
617 int rem_len = map_len-ftell(fp);
618 char *walk_data = cache_data+ftell(fp);
621 GET_CACHE_DATA_INT(num);
623 msginfo = procmsg_msginfo_new();
624 msginfo->msgnum = num;
625 memusage += sizeof(MsgInfo);
627 GET_CACHE_DATA_INT(msginfo->size);
628 GET_CACHE_DATA_INT(msginfo->mtime);
629 GET_CACHE_DATA_INT(msginfo->date_t);
630 GET_CACHE_DATA_INT(msginfo->flags.tmp_flags);
632 GET_CACHE_DATA(msginfo->fromname, memusage);
634 GET_CACHE_DATA(msginfo->date, memusage);
635 GET_CACHE_DATA(msginfo->from, memusage);
636 GET_CACHE_DATA(msginfo->to, memusage);
637 GET_CACHE_DATA(msginfo->cc, memusage);
638 GET_CACHE_DATA(msginfo->newsgroups, memusage);
639 GET_CACHE_DATA(msginfo->subject, memusage);
640 GET_CACHE_DATA(msginfo->msgid, memusage);
641 GET_CACHE_DATA(msginfo->inreplyto, memusage);
642 GET_CACHE_DATA(msginfo->xref, memusage);
644 GET_CACHE_DATA_INT(msginfo->planned_download);
645 GET_CACHE_DATA_INT(msginfo->total_size);
646 GET_CACHE_DATA_INT(refnum);
648 for (; refnum != 0; refnum--) {
651 GET_CACHE_DATA(ref, memusage);
654 msginfo->references =
655 g_slist_prepend(msginfo->references, ref);
657 if (msginfo->references)
658 msginfo->references =
659 g_slist_reverse(msginfo->references);
661 msginfo->folder = item;
662 msginfo->flags.tmp_flags |= tmp_flags;
664 g_hash_table_insert(cache->msgnum_table, &msginfo->msgnum, msginfo);
666 g_hash_table_insert(cache->msgid_table, msginfo->msgid, msginfo);
669 munmap(cache_data, map_len);
671 while (fread(&num, sizeof(num), 1, fp) == 1) {
675 msginfo = procmsg_msginfo_new();
676 msginfo->msgnum = num;
677 memusage += sizeof(MsgInfo);
679 READ_CACHE_DATA_INT(msginfo->size, fp);
680 READ_CACHE_DATA_INT(msginfo->mtime, fp);
681 READ_CACHE_DATA_INT(msginfo->date_t, fp);
682 READ_CACHE_DATA_INT(msginfo->flags.tmp_flags, fp);
684 READ_CACHE_DATA(msginfo->fromname, fp, memusage);
686 READ_CACHE_DATA(msginfo->date, fp, memusage);
687 READ_CACHE_DATA(msginfo->from, fp, memusage);
688 READ_CACHE_DATA(msginfo->to, fp, memusage);
689 READ_CACHE_DATA(msginfo->cc, fp, memusage);
690 READ_CACHE_DATA(msginfo->newsgroups, fp, memusage);
691 READ_CACHE_DATA(msginfo->subject, fp, memusage);
692 READ_CACHE_DATA(msginfo->msgid, fp, memusage);
693 READ_CACHE_DATA(msginfo->inreplyto, fp, memusage);
694 READ_CACHE_DATA(msginfo->xref, fp, memusage);
696 READ_CACHE_DATA_INT(msginfo->planned_download, fp);
697 READ_CACHE_DATA_INT(msginfo->total_size, fp);
698 READ_CACHE_DATA_INT(refnum, fp);
700 for (; refnum != 0; refnum--) {
703 READ_CACHE_DATA(ref, fp, memusage);
706 msginfo->references =
707 g_slist_prepend(msginfo->references, ref);
709 if (msginfo->references)
710 msginfo->references =
711 g_slist_reverse(msginfo->references);
713 msginfo->folder = item;
714 msginfo->flags.tmp_flags |= tmp_flags;
716 g_hash_table_insert(cache->msgnum_table, &msginfo->msgnum, msginfo);
718 g_hash_table_insert(cache->msgid_table, msginfo->msgid, msginfo);
725 if (conv->free != NULL)
731 msgcache_destroy(cache);
735 cache->last_access = time(NULL);
736 cache->memusage = memusage;
738 debug_print("done. (%d items read)\n", g_hash_table_size(cache->msgnum_table));
739 debug_print("Cache size: %d messages, %d byte\n", g_hash_table_size(cache->msgnum_table), cache->memusage);
743 void msgcache_read_mark(MsgCache *cache, const gchar *mark_file)
747 MsgPermFlags perm_flags;
750 char *cache_data = NULL;
755 /* In case we can't open the mark file with MARK_VERSION, check if we can open it with the
756 * swapped MARK_VERSION. As msgcache_open_data_file swaps it too, if this succeeds,
757 * it means it's the old version (not little-endian) on a big-endian machine. The code has
758 * no effect on x86 as their file doesn't change. */
760 if ((fp = msgcache_open_data_file(mark_file, MARK_VERSION, DATA_READ, NULL, 0)) == NULL) {
761 /* see if it isn't swapped ? */
762 if ((fp = msgcache_open_data_file(mark_file, bswap_32(MARK_VERSION), DATA_READ, NULL, 0)) == NULL)
765 swapping = FALSE; /* yay */
767 debug_print("reading %sswapped mark file.\n", swapping?"":"un");
769 if (msgcache_use_mmap_read) {
770 if (fstat(fileno(fp), &st) >= 0)
771 map_len = st.st_size;
775 cache_data = mmap(NULL, map_len, PROT_READ, MAP_PRIVATE, fileno(fp), 0);
779 if (cache_data != NULL && cache_data != MAP_FAILED) {
780 int rem_len = map_len-ftell(fp);
781 char *walk_data = cache_data+ftell(fp);
784 GET_CACHE_DATA_INT(num);
785 GET_CACHE_DATA_INT(perm_flags);
786 msginfo = g_hash_table_lookup(cache->msgnum_table, &num);
788 msginfo->flags.perm_flags = perm_flags;
791 munmap(cache_data, map_len);
793 while (fread(&num, sizeof(num), 1, fp) == 1) {
796 if (fread(&perm_flags, sizeof(perm_flags), 1, fp) != 1) break;
798 perm_flags = bswap_32(perm_flags);
799 msginfo = g_hash_table_lookup(cache->msgnum_table, &num);
801 msginfo->flags.perm_flags = perm_flags;
808 static int msgcache_write_cache(MsgInfo *msginfo, FILE *fp)
810 MsgTmpFlags flags = msginfo->flags.tmp_flags & MSG_CACHED_FLAG_MASK;
812 int w_err = 0, wrote = 0;
814 WRITE_CACHE_DATA_INT(msginfo->msgnum, fp);
815 WRITE_CACHE_DATA_INT(msginfo->size, fp);
816 WRITE_CACHE_DATA_INT(msginfo->mtime, fp);
817 WRITE_CACHE_DATA_INT(msginfo->date_t, fp);
818 WRITE_CACHE_DATA_INT(flags, fp);
820 WRITE_CACHE_DATA(msginfo->fromname, fp);
822 WRITE_CACHE_DATA(msginfo->date, fp);
823 WRITE_CACHE_DATA(msginfo->from, fp);
824 WRITE_CACHE_DATA(msginfo->to, fp);
825 WRITE_CACHE_DATA(msginfo->cc, fp);
826 WRITE_CACHE_DATA(msginfo->newsgroups, fp);
827 WRITE_CACHE_DATA(msginfo->subject, fp);
828 WRITE_CACHE_DATA(msginfo->msgid, fp);
829 WRITE_CACHE_DATA(msginfo->inreplyto, fp);
830 WRITE_CACHE_DATA(msginfo->xref, fp);
831 WRITE_CACHE_DATA_INT(msginfo->planned_download, fp);
832 WRITE_CACHE_DATA_INT(msginfo->total_size, fp);
834 WRITE_CACHE_DATA_INT(g_slist_length(msginfo->references), fp);
836 for (cur = msginfo->references; cur != NULL; cur = cur->next) {
837 WRITE_CACHE_DATA((gchar *)cur->data, fp);
839 return w_err ? -1 : wrote;
842 static int msgcache_write_mmap_cache(MsgInfo *msginfo, char *walk_data)
844 MsgTmpFlags flags = msginfo->flags.tmp_flags & MSG_CACHED_FLAG_MASK;
848 PUT_CACHE_DATA_INT(msginfo->msgnum);
849 PUT_CACHE_DATA_INT(msginfo->size);
850 PUT_CACHE_DATA_INT(msginfo->mtime);
851 PUT_CACHE_DATA_INT(msginfo->date_t);
852 PUT_CACHE_DATA_INT(flags);
853 PUT_CACHE_DATA(msginfo->fromname);
855 PUT_CACHE_DATA(msginfo->date);
856 PUT_CACHE_DATA(msginfo->from);
857 PUT_CACHE_DATA(msginfo->to);
858 PUT_CACHE_DATA(msginfo->cc);
859 PUT_CACHE_DATA(msginfo->newsgroups);
860 PUT_CACHE_DATA(msginfo->subject);
861 PUT_CACHE_DATA(msginfo->msgid);
862 PUT_CACHE_DATA(msginfo->inreplyto);
863 PUT_CACHE_DATA(msginfo->xref);
864 PUT_CACHE_DATA_INT(msginfo->planned_download);
865 PUT_CACHE_DATA_INT(msginfo->total_size);
867 PUT_CACHE_DATA_INT(g_slist_length(msginfo->references));
869 for (cur = msginfo->references; cur != NULL; cur = cur->next) {
870 PUT_CACHE_DATA((gchar *)cur->data);
875 static int msgcache_write_flags(MsgInfo *msginfo, FILE *fp)
877 MsgPermFlags flags = msginfo->flags.perm_flags;
878 int w_err = 0, wrote = 0;
879 WRITE_CACHE_DATA_INT(msginfo->msgnum, fp);
880 WRITE_CACHE_DATA_INT(flags, fp);
881 return w_err ? -1 : wrote;
884 static int msgcache_write_mmap_flags(MsgInfo *msginfo, char *walk_data)
886 MsgPermFlags flags = msginfo->flags.perm_flags;
889 PUT_CACHE_DATA_INT(msginfo->msgnum);
890 PUT_CACHE_DATA_INT(flags);
905 static void msgcache_write_func(gpointer key, gpointer value, gpointer user_data)
908 struct write_fps *write_fps;
911 msginfo = (MsgInfo *)value;
912 write_fps = user_data;
914 tmp = msgcache_write_cache(msginfo, write_fps->cache_fp);
916 write_fps->error = 1;
918 write_fps->cache_size += tmp;
919 tmp= msgcache_write_flags(msginfo, write_fps->mark_fp);
921 write_fps->error = 1;
923 write_fps->mark_size += tmp;
926 static void msgcache_write_mmap_func(gpointer key, gpointer value, gpointer user_data)
929 struct write_fps *write_fps;
932 msginfo = (MsgInfo *)value;
933 write_fps = user_data;
935 tmp = msgcache_write_mmap_cache(msginfo, write_fps->cache_data);
936 write_fps->cache_size += tmp;
937 write_fps->cache_data += tmp;
938 tmp = msgcache_write_mmap_flags(msginfo, write_fps->mark_data);
939 write_fps->mark_size += tmp;
940 write_fps->mark_data += tmp;
943 gint msgcache_write(const gchar *cache_file, const gchar *mark_file, MsgCache *cache)
945 struct write_fps write_fps;
946 gchar *new_cache, *new_mark;
947 int w_err = 0, wrote = 0;
949 char *cache_data = NULL;
950 char *mark_data = NULL;
952 g_return_val_if_fail(cache_file != NULL, -1);
953 g_return_val_if_fail(mark_file != NULL, -1);
954 g_return_val_if_fail(cache != NULL, -1);
956 new_cache = g_strconcat(cache_file, ".new", NULL);
957 new_mark = g_strconcat(mark_file, ".new", NULL);
960 write_fps.cache_size = 0;
961 write_fps.mark_size = 0;
962 write_fps.cache_fp = msgcache_open_data_file(new_cache, CACHE_VERSION,
963 DATA_WRITE, NULL, 0);
964 if (write_fps.cache_fp == NULL) {
970 WRITE_CACHE_DATA(CS_UTF_8, write_fps.cache_fp);
973 g_warning("failed to write charset\n");
974 fclose(write_fps.cache_fp);
981 write_fps.mark_fp = msgcache_open_data_file(new_mark, MARK_VERSION,
982 DATA_WRITE, NULL, 0);
983 if (write_fps.mark_fp == NULL) {
984 fclose(write_fps.cache_fp);
991 debug_print("\tWriting message cache to %s and %s...\n", new_cache, new_mark);
993 if (change_file_mode_rw(write_fps.cache_fp, new_cache) < 0)
994 FILE_OP_ERROR(new_cache, "chmod");
996 write_fps.cache_size = ftell(write_fps.cache_fp);
997 write_fps.mark_size = ftell(write_fps.mark_fp);
998 if (msgcache_use_mmap_write && cache->memusage > 0) {
999 map_len = cache->memusage;
1000 if (ftruncate(fileno(write_fps.cache_fp), (off_t)map_len) == 0) {
1001 cache_data = mmap(NULL, map_len, PROT_WRITE, MAP_SHARED,
1002 fileno(write_fps.cache_fp), 0);
1004 if (cache_data != NULL && cache_data != MAP_FAILED) {
1005 if (ftruncate(fileno(write_fps.mark_fp), (off_t)map_len) == 0) {
1006 mark_data = mmap(NULL, map_len, PROT_WRITE, MAP_SHARED,
1007 fileno(write_fps.mark_fp), 0);
1009 if (mark_data == NULL || mark_data == MAP_FAILED) {
1010 munmap(cache_data, map_len);
1016 if (cache_data != NULL && cache_data != MAP_FAILED) {
1017 write_fps.cache_data = cache_data + ftell(write_fps.cache_fp);
1018 write_fps.mark_data = mark_data + ftell(write_fps.mark_fp);
1019 g_hash_table_foreach(cache->msgnum_table, msgcache_write_mmap_func, (gpointer)&write_fps);
1020 munmap(cache_data, map_len);
1021 munmap(mark_data, map_len);
1022 ftruncate(fileno(write_fps.cache_fp), write_fps.cache_size);
1023 ftruncate(fileno(write_fps.mark_fp), write_fps.mark_size);
1025 g_hash_table_foreach(cache->msgnum_table, msgcache_write_func, (gpointer)&write_fps);
1027 fclose(write_fps.cache_fp);
1028 fclose(write_fps.mark_fp);
1031 if (write_fps.error != 0) {
1032 g_unlink(new_cache);
1038 move_file(new_cache, cache_file, TRUE);
1039 move_file(new_mark, mark_file, TRUE);
1040 cache->last_access = time(NULL);
1045 debug_print("done.\n");