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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 8 -*- */
/*
* This file is part of mission-control
*
* Copyright (C) 2007 Nokia Corporation.
*
* Contact: Naba Kumar <naba.kumar@nokia.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* version 2.1 as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
/**
* SECTION:mcd-chan-handler
* @title: McdChannelHandler
* @short_description: Channel handler class corresponding to each .chandler file
* @see_also:
* @stability: Unstable
* @include: mcd-chan-handler.h
*
* FIXME
*/
#include <stdlib.h>
#include <string.h>
#include "mcd-chan-handler.h"
#include <config.h>
#define FILE_SEPARATOR ','
#define CH_FILE_SUFFIX ".chandler"
#define CH_FILE_CH_GROUP "ChannelHandler"
static void
_mcd_channel_handler_free (McdChannelHandler *handler)
{
g_free((gpointer) handler->bus_name);
g_free((gpointer) handler->obj_path);
g_free(handler);
}
static inline void
_mcd_channel_handler_packer(GHashTable *handlers, gchar **string_list,
gsize list_length, gchar *bus_name,
TelepathyChannelMediaCapability capabilities,
gchar *object_path, const gchar *cm_protocol)
{
gint i;
McdChannelHandler *handler;
GHashTable *channel_handler;
for (i = 0; i < list_length; i++)
{
handler = g_new(McdChannelHandler, 1);
handler->bus_name = bus_name;
handler->obj_path = object_path;
handler->capabilities = capabilities;
channel_handler = g_hash_table_lookup (handlers, string_list[i]);
if (!channel_handler)
{
channel_handler = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, (GDestroyNotify)_mcd_channel_handler_free);
g_hash_table_insert (handlers, g_strdup (string_list[i]),
channel_handler);
}
if (!cm_protocol) cm_protocol = "default";
g_hash_table_insert (channel_handler, g_strdup (cm_protocol),
handler);
}
}
/*
* Read files from configuration file directory.
* This is used for Connection Manager and Channel Handler files.
*/
static void
scan_chandler_dir (const gchar *dirname, GHashTable *handlers,
gchar *suffix, gchar *group)
{
GError *error = NULL;
GKeyFile *file;
gchar **string_list;
gsize len;
GDir *dir;
const gchar *filename;
gchar *absolute_filepath;
gchar *bus_name, *object_path;
const gchar *cm_protocol;
TelepathyChannelMediaCapability capabilities;
if (!g_file_test (dirname, G_FILE_TEST_IS_DIR)) return;
/* Read the configuration file directory */
if ((dir = g_dir_open(dirname, 0, &error)) == NULL)
{
g_error ("Error opening directory %s: %s", dirname,
error->message);
}
while ((filename = g_dir_read_name(dir)) != NULL)
{
/* Skip the file if it doesn't contain the required file suffix */
if (g_str_has_suffix(filename, suffix))
{
absolute_filepath = g_build_filename(dirname, filename, NULL);
file = g_key_file_new();
if (!g_key_file_load_from_file
(file, absolute_filepath, G_KEY_FILE_NONE, &error))
{
g_error ("%s", error->message);
}
g_key_file_set_list_separator(file, FILE_SEPARATOR);
if (!(bus_name = g_key_file_get_string (file, group,
"BusName", &error)))
{
g_error ("%s: %s", absolute_filepath, error->message);
}
if (!(object_path = g_key_file_get_string(file, group,
"ObjectPath", &error)))
{
g_error ("%s: %s", absolute_filepath, error->message);
}
cm_protocol = g_key_file_get_string (file, group,
"Protocol", &error);
if (error)
{
g_error_free (error);
error = NULL;
cm_protocol = NULL;
}
capabilities = g_key_file_get_integer(file, group, "TypeSpecificCapabilities",
&error);
if (error)
{
if (error->code != G_KEY_FILE_ERROR_KEY_NOT_FOUND)
g_warning ("%s: Error parsing %s: %s",
G_STRFUNC, filename, error->message);
g_error_free(error);
error = NULL;
capabilities = 0;
}
if (!(string_list = g_key_file_get_string_list(file, group, "ChannelType",
&len, &error)))
{
g_error ("%s: %s", absolute_filepath, error->message);
}
_mcd_channel_handler_packer(handlers, string_list, len, bus_name,
capabilities, object_path, cm_protocol);
g_strfreev(string_list);
g_key_file_free(file);
g_free(absolute_filepath);
}
}
g_dir_close(dir);
}
static void
_mcd_channel_handlers_read_conf_files (GHashTable *handlers,
gchar *suffix, gchar *group)
{
const gchar *dirname;
if (CHANDLERS_DIR[0] == '/')
scan_chandler_dir (CHANDLERS_DIR, handlers, suffix, group);
else
{
const gchar * const *dirs;
gchar *dir;
dirs = g_get_system_data_dirs();
for (dirname = *dirs; dirname != NULL; dirs++, dirname = *dirs)
{
dir = g_build_filename (dirname, CHANDLERS_DIR, NULL);
scan_chandler_dir (dir, handlers, suffix, group);
g_free (dir);
}
dir = g_build_filename (g_get_user_data_dir(), CHANDLERS_DIR, NULL);
scan_chandler_dir (dir, handlers, suffix, group);
g_free (dir);
}
dirname = g_getenv ("MC_CHANDLERS_DIR");
if (dirname)
scan_chandler_dir (dirname, handlers, suffix, group);
}
GHashTable*
mcd_get_channel_handlers (void)
{
GHashTable *handlers;
handlers = g_hash_table_new_full(g_str_hash, g_str_equal,
g_free,
(GDestroyNotify)g_hash_table_destroy);
/* Read Channel Handler files */
_mcd_channel_handlers_read_conf_files (handlers,
CH_FILE_SUFFIX, CH_FILE_CH_GROUP);
return handlers;
}
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