a601e80848
* gnome/applet/* - More applet cleanups - Use the dbus-method-dispatcher * libnm-util/dbus-method-dispatcher.[ch] - Generalize the implementation from NM in NetworkManagerUtils.c git-svn-id: http://svn-archive.gnome.org/svn/NetworkManager/trunk@1210 4912f4e0-d625-0410-9fb7-b9a5a253dbdc
130 lines
3.5 KiB
C
130 lines
3.5 KiB
C
/* NetworkManager -- Network link manager
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*
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* Dan Williams <dcbw@redhat.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* (C) Copyright 2005 Red Hat, Inc.
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*/
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#include <glib.h>
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#include <string.h>
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#include "dbus-method-dispatcher.h"
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struct DBusMethodDispatcher
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{
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int refcount;
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DBusMethodCallback validate_method;
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GHashTable * methods;
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};
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DBusMethodDispatcher *
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dbus_method_dispatcher_new (DBusMethodCallback validate_method)
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{
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DBusMethodDispatcher * dispatcher = g_malloc0 (sizeof (DBusMethodDispatcher));
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dispatcher->refcount = 1;
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dispatcher->validate_method = validate_method;
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dispatcher->methods = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
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return dispatcher;
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}
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void
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dbus_method_dispatcher_ref (DBusMethodDispatcher *dispatcher)
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{
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g_return_if_fail (dispatcher != NULL);
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g_return_if_fail (dispatcher->refcount >= 1);
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dispatcher->refcount++;
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}
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void
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dbus_method_dispatcher_unref (DBusMethodDispatcher *dispatcher)
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{
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g_return_if_fail (dispatcher != NULL);
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g_return_if_fail (dispatcher->refcount >= 1);
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dispatcher->refcount--;
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if (dispatcher->refcount <= 0)
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{
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g_hash_table_destroy (dispatcher->methods);
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memset (dispatcher, 0, sizeof (DBusMethodDispatcher));
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g_free (dispatcher);
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}
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}
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void
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dbus_method_dispatcher_register_method (DBusMethodDispatcher *dispatcher,
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const char *method,
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DBusMethodCallback callback)
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{
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g_return_if_fail (dispatcher != NULL);
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g_return_if_fail (dispatcher->refcount >= 1);
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g_return_if_fail (method != NULL);
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g_return_if_fail (callback != NULL);
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g_assert (dispatcher->methods);
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g_hash_table_insert (dispatcher->methods, g_strdup (method), callback);
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}
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dbus_bool_t
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dbus_method_dispatcher_dispatch (DBusMethodDispatcher *dispatcher,
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DBusConnection *connection,
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DBusMessage *message,
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DBusMessage **reply,
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void * user_data)
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{
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DBusMethodCallback callback = NULL;
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const char * method;
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DBusMessage * temp_reply = NULL;
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g_return_val_if_fail (dispatcher != NULL, FALSE);
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g_return_val_if_fail (dispatcher->refcount >= 1, FALSE);
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g_return_val_if_fail (connection != NULL, FALSE);
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g_return_val_if_fail (message != NULL, FALSE);
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g_assert (dispatcher->methods);
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if (reply)
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g_return_val_if_fail (*reply == NULL, FALSE);
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if (!(method = dbus_message_get_member (message)))
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return FALSE;
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if (!(callback = g_hash_table_lookup (dispatcher->methods, method)))
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return FALSE;
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/* Call the optional validate method first, if it returns NULL then we
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* actually dispatch the call.
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*/
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if (dispatcher->validate_method)
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temp_reply = (*(dispatcher->validate_method)) (connection, message, user_data);
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if (!temp_reply)
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temp_reply = (*callback) (connection, message, user_data);
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if (reply)
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*reply = temp_reply;
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return TRUE;
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}
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