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author | Dan Winship <danw@src.gnome.org> | 2000-09-06 04:33:05 +0800 |
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committer | Dan Winship <danw@src.gnome.org> | 2000-09-06 04:33:05 +0800 |
commit | 7a21e4e9044d17d340e6e3ba2fbc4b110123d9f3 (patch) | |
tree | 78c584c5517b90a9b28b5d767bff41e902e3206d /camel/providers/cache/camel-cache-store.c | |
parent | 52d74ec874d411dfb8a51d7e5cbae648c5efdd44 (diff) | |
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Cache provider, for caching a remote store locally. This is not done yet.
svn path=/trunk/; revision=5206
Diffstat (limited to 'camel/providers/cache/camel-cache-store.c')
-rw-r--r-- | camel/providers/cache/camel-cache-store.c | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/camel/providers/cache/camel-cache-store.c b/camel/providers/cache/camel-cache-store.c new file mode 100644 index 0000000000..ce34a0e716 --- /dev/null +++ b/camel/providers/cache/camel-cache-store.c @@ -0,0 +1,222 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ +/* camel-cache-store.c : class for a cache store */ + +/* + * Authors: + * Dan Winship <danw@helixcode.com> + * + * Copyright (C) 2000 Helix Code, Inc. (www.helixcode.com) + * + * 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 + */ + +#include "config.h" + +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <errno.h> + +#include "camel-cache-store.h" +#include "camel-cache-folder.h" +#include "camel-stream-buffer.h" +#include "camel-stream-fs.h" +#include "camel-session.h" +#include "camel-exception.h" +#include "camel-url.h" +#include "md5-utils.h" + +static CamelServiceClass *service_class = NULL; + +static void finalize (GtkObject *object); + +static gboolean cache_connect (CamelService *service, CamelException *ex); +static gboolean cache_disconnect (CamelService *service, CamelException *ex); + +static CamelFolder *get_folder (CamelStore *store, const char *folder_name, + gboolean create, CamelException *ex); +static CamelFolder *delete_folder (CamelStore *store, const char *folder_name, + CamelException *ex); +static char *get_folder_name (CamelStore *store, const char *folder_name, + CamelException *ex); +static char *get_root_folder_name (CamelStore *store, CamelException *ex); +static char *get_default_folder_name (CamelStore *store, CamelException *ex); + + +static void +camel_cache_store_class_init (CamelCacheStoreClass *camel_cache_store_class) +{ + GtkObjectClass *object_class = + GTK_OBJECT_CLASS (camel_cache_store_class); + CamelServiceClass *camel_service_class = + CAMEL_SERVICE_CLASS (camel_cache_store_class); + CamelStoreClass *camel_store_class = + CAMEL_STORE_CLASS (camel_cache_store_class); + + service_class = gtk_type_class (camel_service_get_type ()); + + /* virtual method overload */ + object_class->finalize = finalize; + + camel_service_class->connect = cache_connect; + camel_service_class->disconnect = cache_disconnect; + + camel_store_class->get_folder = get_folder; + camel_store_class->delete_folder = delete_folder; + camel_store_class->get_folder_name = get_folder_name; + camel_store_class->get_root_folder_name = get_root_folder_name; + camel_store_class->get_default_folder_name = get_default_folder_name; +} + + +static void +camel_cache_store_init (gpointer object, gpointer klass) +{ + CamelCacheStore *cache_store = CAMEL_CACHE_STORE (object); + CamelService *service = CAMEL_SERVICE (object); + + service->url_flags = CAMEL_SERVICE_URL_NEED_PATH; +} + + +GtkType +camel_cache_store_get_type (void) +{ + static GtkType camel_cache_store_type = 0; + + if (!camel_cache_store_type) { + GtkTypeInfo camel_cache_store_info = + { + "CamelCacheStore", + sizeof (CamelCacheStore), + sizeof (CamelCacheStoreClass), + (GtkClassInitFunc) camel_cache_store_class_init, + (GtkObjectInitFunc) camel_cache_store_init, + /* reserved_1 */ NULL, + /* reserved_2 */ NULL, + (GtkClassInitFunc) NULL, + }; + + camel_cache_store_type = gtk_type_unique (CAMEL_STORE_TYPE, &camel_cache_store_info); + } + + return camel_cache_store_type; +} + +static void +finalize (GtkObject *object) +{ + CamelCacheStore *cache_store = CAMEL_CACHE_STORE (object); + + gtk_object_unref (GTK_OBJECT (cache_store->local)); + gtk_object_unref (GTK_OBJECT (cache_store->remote)); +} + + +static gboolean +cache_connect (CamelService *service, CamelException *ex) +{ + CamelCacheStore *cache_store = CAMEL_CACHE_STORE (service); + + if (!cache_store->remote) { + cache_store->remote = + camel_session_get_store (service->session, + service->url->path, + ex); + if (camel_exception_is_set (ex)) + return FALSE; + + cache_store->local = XXX; + if (camel_exception_is_set (ex)) + return FALSE; + } + + if (!camel_service_connect (CAMEL_SERVICE (cache_store->remote), ex)) + return FALSE; + if (!camel_service_connect (CAMEL_SERVICE (cache_store->local), ex)) { + camel_service_disconnect (CAMEL_SERVICE (store->remote), NULL); + return FALSE; + } + + return service_class->connect (service, ex); +} + +static gboolean +cache_disconnect (CamelService *service, CamelException *ex) +{ + CamelCacheStore *store = CAMEL_CACHE_STORE (service); + + if (!service_class->disconnect (service, ex)) + return FALSE; + + return camel_service_disconnect (CAMEL_SERVICE (store->local), ex) && + camel_service_disconnect (CAMEL_SERVICE (store->remote), ex); +} + +static CamelFolder * +get_folder (CamelStore *store, const char *folder_name, + gboolean create, CamelException *ex) +{ + CamelCacheStore *cache_store = CAMEL_CACHE_STORE (store); + CamelFolder *rf, *lf; + + rf = camel_store_get_folder (cache_store->remote, folder_name, + create, ex); + if (!rf) + return NULL; + + lf = camel_store_get_folder (cache_store->local, folder_name, + TRUE, ex); + if (!lf) { + camel_exception_setv (ex, camel_exception_get_id (ex), + "Could not create cache folder:\n%s", + camel_exception_get_description (ex)); + return NULL; + } + + return camel_cache_folder_new (cache_store, rf, lf, ex); +} + +static char * +get_folder_name (CamelStore *store, const char *folder_name, + CamelException *ex) +{ + CamelCacheStore *cache_store = CAMEL_CACHE_STORE (store); + + return camel_store_get_folder_name (cache_store->remote, + folder_name, ex); +} + +static char * +get_root_folder_name (CamelStore *store, CamelException *ex) +{ + CamelCacheStore *cache_store = CAMEL_CACHE_STORE (store); + + return camel_store_get_root_folder_name (cache_store->remote, ex); +} + +static char * +get_default_folder_name (CamelStore *store, CamelException *ex) +{ + CamelCacheStore *cache_store = CAMEL_CACHE_STORE (store); + + return camel_store_get_default_folder_name (cache_store->remote, ex); +} |