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/*******************************************************************************
* Copyright (c) 2007, 2011 Wind River Systems, Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Eclipse Distribution License v1.0 which accompany this distribution.
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
* You may elect to redistribute this code under either of these licenses.
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
/*
* Simple UDP based discovery server interface
*/
#ifndef D_discovery_udp
#define D_discovery_udp
/*
* Packet max payload size, assuming:
* IPv6 header: 40 bytes,
* UDP header: 8 bytes,
* max jumbo packet size: 9000 bytes,
* max non-fragmented packet size: 1500 bytes
*/
#define MAX_PACKET_SIZE (9000 - 40 - 8)
#define PREF_PACKET_SIZE (1500 - 40 - 8)
/* UDP discovery packet types: */
#define UDP_REQ_INFO 1 /* Peer info request */
#define UDP_ACK_INFO 2 /* Peer info - contains list of peer attributes */
#define UDP_REQ_SLAVES 3 /* List of slaves request */
#define UDP_ACK_SLAVES 4 /* List of slaves - contains list of socket addresses */
#define UDP_PEERS_REMOVED 5 /* List of peers that are removed */
#define UDP_VERSION '2'
/*
* Start UDP discovery server
*/
extern int discovery_start_udp(void);
/*
* Stop UDP discovery server
*/
extern int discovery_stop_udp(void);
#endif /* D_discovery_udp */
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