2 * Include file for the packet assembly and disassembly layer
3 * Copyright (C) 2004 Jan Kratochvil <project-udpgate@jankratochvil.net>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; exactly version 2 of June 1991 is required
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 #ifndef _UDPGATE_PACKET_H
21 #define _UDPGATE_PACKET_H 1
24 #include <glib/gtypes.h>
25 #include <glib/ghash.h>
30 #define PACKET_HEADER "UDPGate0"
32 #define PACKET_ELEM_ATTR_MANDATORY (0x80000000)
33 #define PACKET_ELEM_ATTR_OPTIONAL (0x00000000)
34 enum packet_elem_type {
35 PACKET_ELEM_TYPE_PROGRAM_VERSION=(0x01|PACKET_ELEM_ATTR_MANDATORY), /* 'VERSION' string */
36 PACKET_ELEM_TYPE_CLIENT_INADDR =(0x02|PACKET_ELEM_ATTR_MANDATORY), /* host order */
37 PACKET_ELEM_TYPE_CLIENT_PORT =(0x03|PACKET_ELEM_ATTR_MANDATORY), /* host order */
38 PACKET_ELEM_TYPE_DATA_GUINT32 =(0x04|PACKET_ELEM_ATTR_MANDATORY), /* user data (e.g. unique id) */
41 gpointer packet_assembly(size_t *packet_length_pointer,GHashTable *values);
42 GHashTable *packet_disassembly(gconstpointer packet,size_t packet_length);
43 void packet_disassembly_destroy(GHashTable *hash);
48 #endif /* _UDPGATE_PACKET_H */