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-rw-r--r--camel/camel-provider.c206
1 files changed, 0 insertions, 206 deletions
diff --git a/camel/camel-provider.c b/camel/camel-provider.c
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--- a/camel/camel-provider.c
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-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/* camel-provider.c : provider framework */
-
-/*
- *
- * Author :
- * Bertrand Guiheneuf <bertrand@helixcode.com>
- *
- * Copyright 1999, 2000 Helix Code, Inc. (http://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
- */
-
-
-/*
- A provider can be added "by hand" or by loading a module.
-
-
- Adding providers with modules.
- ------------------------------
-
- The modules are shared libraries which must contain the
- function
-
- CamelProvider *camel_provider_module_init ();
-
- returning the provider object defined in the module
-
-
-*/
-
-/* FIXME: Shouldn't we add a version number to providers ? */
-
-#include "config.h"
-#include "camel-provider.h"
-#include "camel-log.h"
-
-#include <dirent.h>
-#include <string.h>
-
-static GList *_provider_list = NULL;
-
-static gint
-_provider_name_cmp (gconstpointer a, gconstpointer b)
-{
- CamelProvider *provider_a = CAMEL_PROVIDER (a);
- CamelProvider *provider_b = CAMEL_PROVIDER (b);
-
- return strcmp ( provider_a->name, provider_b->name);
-}
-
-void
-camel_provider_register (CamelProvider *provider)
-{
- GList *old_provider_node = NULL;
-
- g_assert (provider);
-
- if (_provider_list)
- old_provider_node = g_list_find_custom (_provider_list, provider, _provider_name_cmp);
-
- if (old_provider_node != NULL) {
- /* camel_provider_unref (CAMEL_PROVIDER (old_provider_node->data)); */
- old_provider_node->data = provider;
- } else {
- /* be careful, we use prepend here, so that last registered
- providers come first */
- _provider_list = g_list_prepend (_provider_list, provider);
- }
- /* camel_provider_ref (provider); */
-}
-
-
-const CamelProvider *
-camel_provider_register_as_module (const gchar *module_path)
-{
-
- CamelProvider *new_provider = NULL;
- GModule *new_module = NULL;
- CamelProvider * (*camel_provider_module_init) ();
- gboolean has_module_init;
-
- CAMEL_LOG_FULL_DEBUG ("Entering CamelProvider::register_as_module\n");
-
- g_return_val_if_fail (module_path, NULL);
-
- if (!g_module_supported ()) {
- CAMEL_LOG_WARNING ("CamelProvider::register_as_module module loading not supported on this system\n");
- CAMEL_LOG_FULL_DEBUG ("Leaving CamelProvider::register_as_module\n");
- return NULL;
- }
-
-
- new_module = g_module_open (module_path, 0);
- if (!new_module) {
- printf ("g_module_open reports: %s\n", g_module_error ());
- CAMEL_LOG_WARNING ("CamelProvider::register_as_module Unable to load module %s\n", module_path);
- CAMEL_LOG_FULL_DEBUG ("Leaving CamelProvider::register_as_module\n");
- return NULL;
- }
-
- has_module_init = g_module_symbol (new_module, "camel_provider_module_init", (gpointer *)&camel_provider_module_init);
- if (!has_module_init){
- CAMEL_LOG_WARNING ("CamelProvider::register_as_module loading of module %s failed,\n"
- "\t Symbol camel_provider_module_init not defined in it\n", module_path);
- CAMEL_LOG_FULL_DEBUG ("Leaving CamelProvider::register_as_module\n");
- return NULL;
- }
-
- new_provider = camel_provider_module_init();
- new_provider->gmodule = new_module;
- camel_provider_register (new_provider);
-
- CAMEL_LOG_FULL_DEBUG ("Leaving CamelProvider::register_as_module\n");
- return new_provider;
-
-
-}
-
-/**
- * camel_provider_scan: Scan for available providers and return a list.
- *
- * Note that this function will cause all providers in the providerdir
- * to be loaded into memory.
- *
- * Return value: the list of CamelProviders. The caller must free this
- * list when it is done with it.
- **/
-GList *
-camel_provider_scan (void)
-{
- DIR *dir;
- struct dirent *dent;
- char *p, *name;
-
- dir = opendir (CAMEL_PROVIDERDIR);
- if (!dir)
- return NULL;
- while ((dent = readdir (dir))) {
- p = strstr (dent->d_name, ".so");
- if (!p || strcmp (p, ".so") != 0)
- continue;
-
- name = g_module_build_path (CAMEL_PROVIDERDIR, dent->d_name);
- camel_provider_register_as_module (name);
- g_free (name);
- }
- closedir (dir);
-
- return g_list_copy (_provider_list);
-}
-
-
-/**
- * camel_provider_get_for_protocol: get a registered provider for a protocol
- * @protocol: protocol name (case insensitive)
- * @type: provider type (transport, store, ...)
- *
- * Look into the list of registered provider if
- * one correspond both to the protocol name
- * and to the protocol type. When several providers
- * exist for a same protocol, the last registered
- * is returned.
- *
- * Return value: Matching provider or NULL if none exists.
- **/
-const CamelProvider *
-camel_provider_get_for_protocol (const gchar *protocol, ProviderType type)
-{
- CamelProvider *current_provider = NULL;
- GList *current_provider_node;
- gboolean protocol_is_found;
- gboolean provider_is_found;
-
- g_assert (protocol);
- g_return_val_if_fail (_provider_list, NULL);
-
- current_provider_node = _provider_list;
- provider_is_found = FALSE;
-
- while ((!provider_is_found) && current_provider_node) {
- current_provider = (CamelProvider *)current_provider_node->data;
-
- protocol_is_found = (g_strcasecmp (protocol, current_provider->protocol) == 0);
- if (protocol_is_found)
- provider_is_found = (current_provider->provider_type == type);
-
- current_provider_node = current_provider_node->next;
- }
-
- if (provider_is_found) return current_provider;
- else return NULL;
-}