From 1593182b1ca1a76dbf65b5ba1700f1f0d56e097d Mon Sep 17 00:00:00 2001 From: Michael Zucci Date: Wed, 15 Nov 2000 03:04:12 +0000 Subject: Initial cut for local provider, to handle mh/mailbox/maildir at least. Checking in to make a backup. svn path=/trunk/; revision=6575 --- camel/providers/local/camel-local-store.c | 211 ++++++++++++++++++++++++++++++ 1 file changed, 211 insertions(+) create mode 100644 camel/providers/local/camel-local-store.c (limited to 'camel/providers/local/camel-local-store.c') diff --git a/camel/providers/local/camel-local-store.c b/camel/providers/local/camel-local-store.c new file mode 100644 index 0000000000..c07a1d2c3a --- /dev/null +++ b/camel/providers/local/camel-local-store.c @@ -0,0 +1,211 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- + * + * Authors: Michael Zucchi + * + * Copyright (C) 2000 Helix Code, 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 + */ + + +#include + +#include +#include +#include +#include +#include + +#include "camel-local-store.h" +#include "camel-exception.h" +#include "camel-url.h" + +/* Returns the class for a CamelLocalStore */ +#define CLOCALS_CLASS(so) CAMEL_LOCAL_STORE_CLASS (CAMEL_OBJECT_GET_CLASS(so)) +#define CF_CLASS(so) CAMEL_FOLDER_CLASS (CAMEL_OBJECT_GET_CLASS(so)) + +static char *get_name(CamelService *service, gboolean brief); +static void rename_folder(CamelStore *store, const char *old_name, const char *new_name, CamelException *ex); +static char *get_folder_name(CamelStore *store, const char *folder_name, CamelException *ex); +static CamelFolderInfo *get_folder_info (CamelStore *store, const char *top, + gboolean fast, gboolean recursive, + gboolean subscribed_only, + CamelException *ex); +static void delete_folder(CamelStore *store, const char *folder_name, CamelException *ex); +static void rename_folder(CamelStore *store, const char *old, const char *new, CamelException *ex); + +static void +camel_local_store_class_init (CamelLocalStoreClass *camel_local_store_class) +{ + CamelStoreClass *camel_store_class = CAMEL_STORE_CLASS (camel_local_store_class); + CamelServiceClass *camel_service_class = CAMEL_SERVICE_CLASS (camel_local_store_class); + + /* virtual method overload */ + camel_service_class->get_name = get_name; + camel_store_class->get_folder_name = get_folder_name; + camel_store_class->get_folder_info = get_folder_info; + camel_store_class->free_folder_info = camel_store_free_folder_info_full; + + camel_store_class->delete_folder = delete_folder; + camel_store_class->rename_folder = rename_folder; +} + +static void +camel_local_store_init (gpointer object, gpointer klass) +{ + CamelStore *store = CAMEL_STORE (object); + + /* local names are filenames, so they are case-sensitive. */ + store->folders = g_hash_table_new (g_str_hash, g_str_equal); +} + +CamelType +camel_local_store_get_type (void) +{ + static CamelType camel_local_store_type = CAMEL_INVALID_TYPE; + + if (camel_local_store_type == CAMEL_INVALID_TYPE) { + camel_local_store_type = camel_type_register (CAMEL_STORE_TYPE, "CamelLocalStore", + sizeof (CamelLocalStore), + sizeof (CamelLocalStoreClass), + (CamelObjectClassInitFunc) camel_local_store_class_init, + NULL, + (CamelObjectInitFunc) camel_local_store_init, + NULL); + } + + return camel_local_store_type; +} + +const char * +camel_local_store_get_toplevel_dir (CamelLocalStore *store) +{ + CamelURL *url = CAMEL_SERVICE (store)->url; + + g_assert (url != NULL); + return url->path; +} + +static char * +get_folder_name (CamelStore *store, const char *folder_name, CamelException *ex) +{ + /* For now, we don't allow hieararchy. FIXME. */ + if (strchr (folder_name + 1, '/')) { + camel_exception_set (ex, CAMEL_EXCEPTION_STORE_NO_FOLDER, + _("Local folders may not be nested.")); + return NULL; + } + + return *folder_name == '/' ? g_strdup (folder_name) : + g_strdup_printf ("/%s", folder_name); +} + +static char * +get_name (CamelService *service, gboolean brief) +{ + if (brief) + return g_strdup (service->url->path); + else + return g_strdup_printf (_("Local mail file %s"), service->url->path); +} + +static CamelFolderInfo * +get_folder_info (CamelStore *store, const char *top, + gboolean fast, gboolean recursive, + gboolean subscribed_only, + CamelException *ex) +{ + /* FIXME: This is broken, but it corresponds to what was + * there before. + */ + return NULL; +} + +static int xrename(const char *oldp, const char *newp, const char *prefix, const char *suffix, CamelException *ex) +{ + struct stat st; + char *old = g_strconcat(prefix, oldp, suffix, 0); + char *new = g_strconcat(prefix, newp, suffix, 0); + int ret = -1; + + printf("renaming %s%s to %s%s\n", oldp, suffix, newp, suffix); + + /* FIXME: this has races ... */ + if (!(stat(new, &st) == -1 && errno==ENOENT)) { + camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM, + _("Could not rename folder %s to %s: destination exists"), + old, new); + } else if (rename(old, new) == 0 || errno==ENOENT) { + ret = 0; + } else if (stat(old, &st) == -1 && errno==ENOENT && stat(new, &st) == 0) { + /* for nfs, check if the rename worked anyway ... */ + ret = 0; + } + + g_free(old); + g_free(new); + return ret; +} + +/* default implementation, rename all */ +static void +rename_folder(CamelStore *store, const char *old, const char *new, CamelException *ex) +{ + char *path = CAMEL_SERVICE (store)->url->path; + + /* try to rollback failures, has obvious races */ + if (xrename(old, new, path, ".ibex", ex)) { + return; + } + if (xrename(old, new, path, ".ev-summary", ex)) { + xrename(new, old, path, ".ibex", ex); + return; + } + if (xrename(old, new, path, "", ex)) { + xrename(new, old, path, ".ev-summary", ex); + xrename(new, old, path, ".ibex", ex); + } +} + +/* default implementation, only delete metadata */ +static void +delete_folder(CamelStore *store, const char *folder_name, CamelException *ex) +{ + char *name; + char *str; + + /* remove metadata only */ + name = g_strdup_printf("%s%s", CAMEL_SERVICE(store)->url->path, folder_name); + str = g_strdup_printf("%s.ev-summary", name); + if (unlink(str) == -1 && errno != ENOENT) { + camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM, + _("Could not delete folder summary file `%s': %s"), + str, strerror(errno)); + g_free(str); + return; + } + g_free(str); + str = g_strdup_printf("%s.ibex", name); + if (unlink(str) == -1 && errno != ENOENT) { + camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM, + _("Could not delete folder index file `%s': %s"), + str, strerror(errno)); + g_free(str); + return; + } + g_free(str); + g_free(name); +} -- cgit v1.2.3