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/*
*
* Connection Manager
*
* Copyright (C) 2007-2009 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <glib.h>
#include "connman.h"
struct connman_task {
char *path;
pid_t pid;
};
static GHashTable *task_hash = NULL;
static volatile gint task_counter;
static void free_task(gpointer data)
{
struct connman_task *task = data;
DBG("task %p", task);
g_free(task->path);
g_free(task);
}
struct connman_task *connman_task_create(void)
{
struct connman_task *task;
gint counter;
DBG("");
task = g_try_new0(struct connman_task, 1);
if (task == NULL)
return NULL;
counter = g_atomic_int_exchange_and_add(&task_counter, 1);
task->path = g_strdup_printf("/task/%d", counter);
task->pid = -1;
DBG("task %p", task);
g_hash_table_insert(task_hash, task->path, task);
return task;
}
void connman_task_destroy(struct connman_task *task)
{
DBG("task %p", task);
g_hash_table_remove(task_hash, task->path);
}
static DBusHandlerResult task_filter(DBusConnection *connection,
DBusMessage *message, void *user_data)
{
struct connman_task *task;
const char *path;
if (dbus_message_get_type(message) != DBUS_MESSAGE_TYPE_METHOD_CALL)
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
if (dbus_message_has_interface(message,
CONNMAN_TASK_INTERFACE) == FALSE)
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
path = dbus_message_get_path(message);
if (path == NULL)
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
task = g_hash_table_lookup(task_hash, path);
if (task == NULL)
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
return DBUS_HANDLER_RESULT_HANDLED;
}
static const char *task_rule = "type=method_call"
",interface=" CONNMAN_TASK_INTERFACE;
static DBusConnection *connection;
int __connman_task_init(void)
{
DBG("");
connection = connman_dbus_get_connection();
dbus_connection_add_filter(connection, task_filter, NULL, NULL);
g_atomic_int_set(&task_counter, 0);
task_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
NULL, free_task);
dbus_bus_add_match(connection, task_rule, NULL);
dbus_connection_flush(connection);
return 0;
}
void __connman_task_cleanup(void)
{
DBG("");
dbus_bus_remove_match(connection, task_rule, NULL);
dbus_connection_flush(connection);
g_hash_table_destroy(task_hash);
task_hash = NULL;
dbus_connection_remove_filter(connection, task_filter, NULL);
dbus_connection_unref(connection);
}
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