/* -*- 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); }