MsgCache *msgcache_read_cache(FolderItem *item, const gchar *cache_file)
{
MsgCache *cache;
FILE *fp;
MsgInfo *msginfo;
MsgTmpFlags tmp_flags = 0;
gchar file_buf[BUFFSIZE];
guint num;
gboolean error = FALSE;
StringConverter *conv = NULL;
gchar *srccharset = NULL;
const gchar *dstcharset = NULL;
g_return_val_if_fail(cache_file != NULL, NULL);
g_return_val_if_fail(item != NULL, NULL);
if ((fp = msgcache_open_data_file
(cache_file, CACHE_VERSION, DATA_READ, file_buf, sizeof(file_buf))) == NULL)
return NULL;
debug_print("\tReading message cache from %s...\n", cache_file);
if (item->stype == F_QUEUE) {
tmp_flags |= MSG_QUEUED;
} else if (item->stype == F_DRAFT) {
tmp_flags |= MSG_DRAFT;
}
if (msgcache_read_cache_data_str(fp, &srccharset, NULL) < 0)
return NULL;
dstcharset = conv_get_current_charset_str();
if (srccharset == NULL || dstcharset == NULL) {
conv = NULL;
} else if (strcmp(srccharset, dstcharset) == 0) {
StrdupConverter *strdupconv;
debug_print("using StrdupConverter\n");
strdupconv = g_new0(StrdupConverter, 1);
strdupconv->converter.convert = strconv_strdup_convert;
strdupconv->converter.free = NULL;
conv = (StringConverter *) strdupconv;
} else {
CharsetConverter *charsetconv;
debug_print("using CharsetConverter\n");
charsetconv = g_new0(CharsetConverter, 1);
charsetconv->converter.convert = strconv_charset_convert;
charsetconv->converter.free = strconv_charset_free;
charsetconv->srccharset = g_strdup(srccharset);
charsetconv->dstcharset = g_strdup(dstcharset);
conv = (StringConverter *) charsetconv;
}
g_free(srccharset);
cache = msgcache_new();
g_hash_table_freeze(cache->msgnum_table);
while (fread(&num, sizeof(num), 1, fp) == 1) {
msginfo = procmsg_msginfo_new();
msginfo->msgnum = num;
READ_CACHE_DATA_INT(msginfo->size, fp);
READ_CACHE_DATA_INT(msginfo->mtime, fp);
READ_CACHE_DATA_INT(msginfo->date_t, fp);
READ_CACHE_DATA_INT(msginfo->flags.tmp_flags, fp);
READ_CACHE_DATA(msginfo->fromname, fp);
READ_CACHE_DATA(msginfo->date, fp);
READ_CACHE_DATA(msginfo->from, fp);
READ_CACHE_DATA(msginfo->to, fp);
READ_CACHE_DATA(msginfo->cc, fp);
READ_CACHE_DATA(msginfo->newsgroups, fp);
READ_CACHE_DATA(msginfo->subject, fp);
READ_CACHE_DATA(msginfo->msgid, fp);
READ_CACHE_DATA(msginfo->inreplyto, fp);
READ_CACHE_DATA(msginfo->references, fp);
READ_CACHE_DATA(msginfo->xref, fp);
READ_CACHE_DATA_INT(msginfo->planned_download, fp);
READ_CACHE_DATA_INT(msginfo->total_size, fp);
msginfo->folder = item;
msginfo->flags.tmp_flags |= tmp_flags;
g_hash_table_insert(cache->msgnum_table, &msginfo->msgnum, msginfo);
if(msginfo->msgid)
g_hash_table_insert(cache->msgid_table, msginfo->msgid, msginfo);
cache->memusage += procmsg_msginfo_memusage(msginfo);
}
fclose(fp);
g_hash_table_thaw(cache->msgnum_table);
if (conv != NULL) {
if (conv->free != NULL)
conv->free(conv);
g_free(conv);
}
if (error) {
msgcache_destroy(cache);
return NULL;
}
cache->last_access = time(NULL);
debug_print("done. (%d items read)\n", g_hash_table_size(cache->msgnum_table));
debug_print("Cache size: %d messages, %d byte\n", g_hash_table_size(cache->msgnum_table), cache->memusage);
return cache;
}
static void rssyl_update_format_func(FolderItem *item, gpointer data)
{
RFolderItem *ritem;
RUpdateFormatCtx *ctx = (RUpdateFormatCtx *)data;
Folder *f = NULL;
FolderItem *new_item = NULL;
gchar *name;
OldRFeed *of;
if( !IS_RSSYL_FOLDER_ITEM(item) )
return;
/* Do not do anything once we reached first new folder
* (which we created earlier in this process) */
if( ctx->reached_first_new )
return;
if( item->folder == ctx->n_first ) {
ctx->reached_first_new = TRUE;
debug_print("RSSyl: (FORMAT) reached first new folder\n");
return;
}
debug_print("RSSyl: (FORMAT) item '%s'\n", item->name);
if( folder_item_parent(item) == NULL ) {
/* Root rssyl folder */
ctx->oldroots = g_slist_prepend(ctx->oldroots, item);
/* Create its counterpart */
name = rssyl_strreplace(folder_item_get_name(item), " (RSSyl)", "");
debug_print("RSSyl: (FORMAT) adding new root folder '%s'\n", name);
f = folder_new(rssyl_folder_get_class(), name, NULL);
g_free(name);
g_return_if_fail(f != NULL);
folder_add(f);
folder_write_list();
new_item = FOLDER_ITEM(f->node->data);
/* If user has more than one old rssyl foldertrees, keep the n_first
* pointer at the beginning of first one. */
if (ctx->n_first == NULL)
ctx->n_first = f;
ctx->n_parent = new_item;
} else {
/* Non-root folder */
if (folder_item_parent(item) == ctx->o_prev) {
/* We went one step deeper in folder hierarchy, adjust pointers
* to parents */
ctx->o_parent = ctx->o_prev;
ctx->n_parent = ctx->n_prev;
} else if (folder_item_parent(item) != ctx->o_parent) {
/* We are not in same folder anymore, which can only mean we have
* moved up in the hierarchy. Find a correct parent */
while (folder_item_parent(item) != ctx->o_parent) {
ctx->o_parent = folder_item_parent(ctx->o_parent);
ctx->n_parent = folder_item_parent(ctx->n_parent);
if (ctx->o_parent == NULL) {
/* This shouldn't happen, unless we are magically moved to a
* completely different folder structure */
debug_print("RSSyl: MISHAP WHILE UPGRADING STORAGE FORMAT: couldn't find folder parent\n");
alertpanel_error(_("Internal problem while upgrading storage format. This should not happen. Please report this, with debug output attached.\n"));
return;
}
}
} else {
/* We have remained in the same subfolder, nothing to do here */
}
debug_print("RSSyl: (FORMAT) adding folder '%s'\n", item->name);
new_item = folder_create_folder(ctx->n_parent, item->name);
if (new_item == NULL) {
debug_print("RSSyl: (FORMAT) couldn't add folder '%s', skipping it\n",
item->name);
return;
}
of = rssyl_old_feed_get_by_name(ctx->oldfeeds, item->name);
if (of != NULL && of->url != NULL) {
/* Folder with an actual subscribed feed */
debug_print("RSSyl: (FORMAT) making '%s' a feed with URL '%s'\n",
item->name, of->url);
ritem = (RFolderItem *)new_item;
ritem->url = g_strdup(of->url);
rssyl_feed_start_refresh_timeout(ritem);
ritem->official_title = g_strdup(of->official_name);
ritem->default_refresh_interval =
(of->default_refresh_interval != 0 ? TRUE : FALSE);
ritem->refresh_interval = of->refresh_interval;
ritem->keep_old = (of->expired_num > -1 ? TRUE : FALSE);
ritem->fetch_comments =
(of->fetch_comments != 0 ? TRUE : FALSE);
ritem->fetch_comments_max_age = of->fetch_comments_for;
ritem->silent_update = of->silent_update;
ritem->ssl_verify_peer = of->ssl_verify_peer;
folder_item_prefs_copy_prefs(item, &ritem->item);
}
rssyl_update_format_move_contents(item, new_item);
/* destroy the new folder's cache so we'll re-read the migrated one */
if (new_item->cache) {
msgcache_destroy(new_item->cache);
new_item->cache = NULL;
}
/* Store folderlist with the new folder */
folder_item_scan(new_item);
folder_write_list();
}
ctx->o_prev = item;
ctx->n_prev = new_item;
}
