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-rw-r--r--camel/camel-disco-diary.c417
1 files changed, 0 insertions, 417 deletions
diff --git a/camel/camel-disco-diary.c b/camel/camel-disco-diary.c
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--- a/camel/camel-disco-diary.c
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-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/* camel-disco-diary.c: class for a disconnected operation log */
-
-/*
- * Authors: Dan Winship <danw@ximian.com>
- *
- * Copyright (C) 2001 Ximian, Inc.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include "camel-disco-diary.h"
-#include "camel-disco-folder.h"
-#include "camel-disco-store.h"
-#include "camel-exception.h"
-#include "camel-file-utils.h"
-#include "camel-folder.h"
-#include "camel-operation.h"
-#include "camel-session.h"
-#include "camel-store.h"
-
-#include <errno.h>
-
-
-static void
-camel_disco_diary_class_init (CamelDiscoDiaryClass *camel_disco_diary_class)
-{
- /* virtual method definition */
-}
-
-static void
-camel_disco_diary_init (CamelDiscoDiary *diary)
-{
- diary->folders = g_hash_table_new (g_str_hash, g_str_equal);
- diary->uidmap = g_hash_table_new (g_str_hash, g_str_equal);
-}
-
-static void
-unref_folder (gpointer key, gpointer value, gpointer data)
-{
- camel_object_unref (value);
-}
-
-static void
-free_uid (gpointer key, gpointer value, gpointer data)
-{
- g_free (key);
- g_free (value);
-}
-
-static void
-camel_disco_diary_finalize (CamelDiscoDiary *diary)
-{
- if (diary->file)
- fclose (diary->file);
- if (diary->folders) {
- g_hash_table_foreach (diary->folders, unref_folder, NULL);
- g_hash_table_destroy (diary->folders);
- }
- if (diary->uidmap) {
- g_hash_table_foreach (diary->uidmap, free_uid, NULL);
- g_hash_table_destroy (diary->uidmap);
- }
-}
-
-CamelType
-camel_disco_diary_get_type (void)
-{
- static CamelType camel_disco_diary_type = CAMEL_INVALID_TYPE;
-
- if (camel_disco_diary_type == CAMEL_INVALID_TYPE) {
- camel_disco_diary_type = camel_type_register (
- CAMEL_OBJECT_TYPE, "CamelDiscoDiary",
- sizeof (CamelDiscoDiary),
- sizeof (CamelDiscoDiaryClass),
- (CamelObjectClassInitFunc) camel_disco_diary_class_init,
- NULL,
- (CamelObjectInitFunc) camel_disco_diary_init,
- (CamelObjectFinalizeFunc) camel_disco_diary_finalize);
- }
-
- return camel_disco_diary_type;
-}
-
-
-static int
-diary_encode_uids (CamelDiscoDiary *diary, GPtrArray *uids)
-{
- int i, status;
-
- status = camel_file_util_encode_uint32 (diary->file, uids->len);
- for (i = 0; status != -1 && i < uids->len; i++)
- status = camel_file_util_encode_string (diary->file, uids->pdata[i]);
- return status;
-}
-
-void
-camel_disco_diary_log (CamelDiscoDiary *diary, CamelDiscoDiaryAction action,
- ...)
-{
- va_list ap;
- int status;
-
- /* You may already be a loser. */
- if (!diary->file)
- return;
-
- status = camel_file_util_encode_uint32 (diary->file, action);
- if (status == -1)
- goto lose;
-
- va_start (ap, action);
- switch (action) {
- case CAMEL_DISCO_DIARY_FOLDER_EXPUNGE:
- {
- CamelFolder *folder = va_arg (ap, CamelFolder *);
- GPtrArray *uids = va_arg (ap, GPtrArray *);
-
- status = camel_file_util_encode_string (diary->file, folder->full_name);
- if (status != -1)
- status = diary_encode_uids (diary, uids);
- break;
- }
-
- case CAMEL_DISCO_DIARY_FOLDER_APPEND:
- {
- CamelFolder *folder = va_arg (ap, CamelFolder *);
- char *uid = va_arg (ap, char *);
-
- status = camel_file_util_encode_string (diary->file, folder->full_name);
- if (status != -1)
- status = camel_file_util_encode_string (diary->file, uid);
- break;
- }
-
- case CAMEL_DISCO_DIARY_FOLDER_MOVE:
- case CAMEL_DISCO_DIARY_FOLDER_COPY:
- {
- CamelFolder *source = va_arg (ap, CamelFolder *);
- CamelFolder *destination = va_arg (ap, CamelFolder *);
- GPtrArray *uids = va_arg (ap, GPtrArray *);
-
- status = camel_file_util_encode_string (diary->file, source->full_name);
- if (status == -1)
- break;
- status = camel_file_util_encode_string (diary->file, destination->full_name);
- if (status == -1)
- break;
- status = diary_encode_uids (diary, uids);
- break;
- }
-
- default:
- g_assert_not_reached ();
- break;
- }
-
- va_end (ap);
-
- lose:
- if (status == -1) {
- char *msg;
-
- msg = g_strdup_printf (_("Could not write log entry: %s\n"
- "Further operations on this server "
- "will not be replayed when you\n"
- "reconnect to the network."),
- g_strerror (errno));
- camel_session_alert_user (camel_service_get_session (CAMEL_SERVICE (diary->store)),
- CAMEL_SESSION_ALERT_ERROR,
- msg, FALSE);
- g_free (msg);
-
- fclose (diary->file);
- diary->file = NULL;
- }
-}
-
-static void
-free_uids (GPtrArray *array)
-{
- while (array->len--)
- g_free (array->pdata[array->len]);
- g_ptr_array_free (array, TRUE);
-}
-
-static GPtrArray *
-diary_decode_uids (CamelDiscoDiary *diary)
-{
- GPtrArray *uids;
- char *uid;
- guint32 i;
-
- if (camel_file_util_decode_uint32 (diary->file, &i) == -1)
- return NULL;
- uids = g_ptr_array_new ();
- while (i--) {
- if (camel_file_util_decode_string (diary->file, &uid) == -1) {
- free_uids (uids);
- return NULL;
- }
- g_ptr_array_add (uids, uid);
- }
-
- return uids;
-}
-
-static CamelFolder *
-diary_decode_folder (CamelDiscoDiary *diary)
-{
- CamelFolder *folder;
- char *name;
-
- if (camel_file_util_decode_string (diary->file, &name) == -1)
- return NULL;
- folder = g_hash_table_lookup (diary->folders, name);
- if (!folder) {
- CamelException ex;
- char *msg;
-
- camel_exception_init (&ex);
- folder = camel_store_get_folder (CAMEL_STORE (diary->store),
- name, 0, &ex);
- if (folder)
- g_hash_table_insert (diary->folders, name, folder);
- else {
- msg = g_strdup_printf (_("Could not open `%s':\n%s\nChanges made to this folder will not be resynchronized."),
- name, camel_exception_get_description (&ex));
- camel_exception_clear (&ex);
- camel_session_alert_user (camel_service_get_session (CAMEL_SERVICE (diary->store)),
- CAMEL_SESSION_ALERT_WARNING,
- msg, FALSE);
- g_free (msg);
- g_free (name);
- }
- } else
- g_free (name);
- return folder;
-}
-
-static void
-close_folder (gpointer name, gpointer folder, gpointer data)
-{
- g_free (name);
- camel_folder_sync (folder, FALSE, NULL);
- camel_object_unref (folder);
-}
-
-void
-camel_disco_diary_replay (CamelDiscoDiary *diary, CamelException *ex)
-{
- guint32 action;
- off_t size;
- double pc;
-
- fseek (diary->file, 0, SEEK_END);
- size = ftell (diary->file);
- g_return_if_fail (size != 0);
- rewind (diary->file);
-
- camel_operation_start (NULL, _("Resynchronizing with server"));
- while (!camel_exception_is_set (ex)) {
- pc = ftell (diary->file) / size;
- camel_operation_progress (NULL, pc * 100);
-
- if (camel_file_util_decode_uint32 (diary->file, &action) == -1)
- break;
- if (action == CAMEL_DISCO_DIARY_END)
- break;
-
- switch (action) {
- case CAMEL_DISCO_DIARY_FOLDER_EXPUNGE:
- {
- CamelFolder *folder;
- GPtrArray *uids;
-
- folder = diary_decode_folder (diary);
- uids = diary_decode_uids (diary);
- if (!uids)
- goto lose;
-
- if (folder)
- camel_disco_folder_expunge_uids (folder, uids, ex);
- free_uids (uids);
- break;
- }
-
- case CAMEL_DISCO_DIARY_FOLDER_APPEND:
- {
- CamelFolder *folder;
- char *uid;
- CamelMimeMessage *message;
- CamelMessageInfo *info;
-
- folder = diary_decode_folder (diary);
- if (camel_file_util_decode_string (diary->file, &uid) == -1)
- goto lose;
-
- if (!folder) {
- g_free (uid);
- continue;
- }
-
- message = camel_folder_get_message (folder, uid, NULL);
- if (!message) {
- /* The message was appended and then deleted. */
- g_free (uid);
- continue;
- }
- info = camel_folder_get_message_info (folder, uid);
-
- camel_folder_append_message (folder, message, info, ex);
- g_free (uid);
- camel_folder_free_message_info (folder, info);
-
- break;
- }
-
- case CAMEL_DISCO_DIARY_FOLDER_COPY:
- case CAMEL_DISCO_DIARY_FOLDER_MOVE:
- {
- CamelFolder *source, *destination;
- GPtrArray *uids;
-
- source = diary_decode_folder (diary);
- destination = diary_decode_folder (diary);
- uids = diary_decode_uids (diary);
- if (!uids)
- goto lose;
-
- if (!source || !destination) {
- free_uids (uids);
- continue;
- }
-
- if (action == CAMEL_DISCO_DIARY_FOLDER_COPY)
- camel_folder_copy_messages_to (source, uids, destination, ex);
- else
- camel_folder_move_messages_to (source, uids, destination, ex);
- free_uids (uids);
- break;
- }
-
- }
- }
-
- lose:
- camel_operation_end (NULL);
-
- /* Close folders */
- g_hash_table_foreach (diary->folders, close_folder, diary);
- g_hash_table_destroy (diary->folders);
- diary->folders = NULL;
-
- /* Truncate the log */
- ftruncate (fileno (diary->file), 0);
-}
-
-CamelDiscoDiary *
-camel_disco_diary_new (CamelDiscoStore *store, const char *filename, CamelException *ex)
-{
- CamelDiscoDiary *diary;
-
- g_return_val_if_fail (CAMEL_IS_DISCO_STORE (store), NULL);
- g_return_val_if_fail (filename != NULL, NULL);
-
- diary = CAMEL_DISCO_DIARY (camel_object_new (CAMEL_DISCO_DIARY_TYPE));
- diary->store = store;
-
- diary->file = fopen (filename, "a+");
- if (!diary->file) {
- camel_object_unref (CAMEL_OBJECT (diary));
- camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
- "Could not open journal file: %s",
- g_strerror (errno));
- return NULL;
- }
-
- return diary;
-}
-
-gboolean
-camel_disco_diary_empty (CamelDiscoDiary *diary)
-{
- return ftell (diary->file) == 0;
-}
-
-void
-camel_disco_diary_uidmap_add (CamelDiscoDiary *diary, const char *old_uid,
- const char *new_uid)
-{
- g_hash_table_insert (diary->uidmap, g_strdup (old_uid),
- g_strdup (new_uid));
-}
-
-const char *
-camel_disco_diary_uidmap_lookup (CamelDiscoDiary *diary, const char *uid)
-{
- return g_hash_table_lookup (diary->uidmap, uid);
-}
generated by cgit (git 2.34.1) at 2024-12-28 12:01:10 +0800