path: root/src/include/gnunet_protocols.h

/*
     This file is part of GNUnet.
     (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010 Christian Grothoff (and other contributing authors)

     GNUnet is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published
     by the Free Software Foundation; either version 2, or (at your
     option) any later version.

     GNUnet 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 GNUnet; see the file COPYING.  If not, write to the
     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
*/

/**
 * @file include/gnunet_protocols.h
 * @brief constants for network protocols
 * @author Christian Grothoff
 */

#ifndef GNUNET_PROTOCOLS_H
#define GNUNET_PROTOCOLS_H

#ifdef __cplusplus
extern "C"
{
#if 0                           /* keep Emacsens' auto-indent happy */
}
#endif
#endif

/*******************************************************************************
 * UTIL message types
 ******************************************************************************/

/**
 * Test if service is online.
 */
#define GNUNET_MESSAGE_TYPE_TEST 1

/**
 * Dummy messages for testing / benchmarking.
 */
#define GNUNET_MESSAGE_TYPE_DUMMY 2

/*******************************************************************************
 * RESOLVER message types
 ******************************************************************************/

/**
 * Request DNS resolution.
 */
#define GNUNET_MESSAGE_TYPE_RESOLVER_REQUEST 4

/**
 * Response to a DNS resolution request.
 */
#define GNUNET_MESSAGE_TYPE_RESOLVER_RESPONSE 5

/*******************************************************************************
 * ARM message types
 ******************************************************************************/

/**
 * Request to ARM to start a service.
 */
#define GNUNET_MESSAGE_TYPE_ARM_START 8

/**
 * Request to ARM to stop a service.
 */
#define GNUNET_MESSAGE_TYPE_ARM_STOP 9

/**
 * Request ARM service itself to shutdown.
 */
#define GNUNET_MESSAGE_TYPE_ARM_SHUTDOWN 10

/**
 * Response from ARM.
 */
#define GNUNET_MESSAGE_TYPE_ARM_RESULT 11

/**
 * Request to ARM to list all currently running services
 */
#define GNUNET_MESSAGE_TYPE_ARM_LIST 12

/**
 * Response from ARM for listing currently running services
 */
#define GNUNET_MESSAGE_TYPE_ARM_LIST_RESULT 13

/*******************************************************************************
 * HELLO message types
 ******************************************************************************/

/**
 * HELLO message used for communicating peer addresses.
 * Managed by libgnunethello.
 */
#define GNUNET_MESSAGE_TYPE_HELLO 16

/*******************************************************************************
 * FRAGMENTATION message types
 ******************************************************************************/

/**
 * FRAGMENT of a larger message.
 * Managed by libgnunetfragment.
 */
#define GNUNET_MESSAGE_TYPE_FRAGMENT 18

/**
 * Acknowledgement of a FRAGMENT of a larger message.
 * Managed by libgnunetfragment.
 */
#define GNUNET_MESSAGE_TYPE_FRAGMENT_ACK 19

/*******************************************************************************
 * Transport-WLAN message types
 ******************************************************************************/

/**
 * Type of data messages from the plugin to the gnunet-wlan-helper 
 */
#define GNUNET_MESSAGE_TYPE_WLAN_DATA_TO_HELPER 39

/**
 * Type of data messages from the gnunet-wlan-helper to the plugin
 */
#define GNUNET_MESSAGE_TYPE_WLAN_DATA_FROM_HELPER 40

/**
 * Control message between the gnunet-wlan-helper and the daemon (with the MAC).
 */
#define GNUNET_MESSAGE_TYPE_WLAN_HELPER_CONTROL 41

/**
 * Type of messages for advertisement over wlan
 */
#define GNUNET_MESSAGE_TYPE_WLAN_ADVERTISEMENT 42

/**
 * Type of messages for data over the wlan
 */
#define GNUNET_MESSAGE_TYPE_WLAN_DATA 43


/*******************************************************************************
 * Transport-DV message types
 ******************************************************************************/

/**
 * DV service to DV Plugin message, when a message is
 * unwrapped by the DV service and handed to the plugin
 * for processing
 */
#define GNUNET_MESSAGE_TYPE_TRANSPORT_DV_RECEIVE 44

/**
 * DV Plugin to DV service message, indicating a message
 * should be sent out.
 */
#define GNUNET_MESSAGE_TYPE_TRANSPORT_DV_SEND 45

/**
 * DV service to DV api message, containing a confirmation
 * or failure of a DV_SEND message.
 */
#define GNUNET_MESSAGE_TYPE_TRANSPORT_DV_SEND_RESULT 46

/**
 * P2P DV message encapsulating some real message
 */
#define GNUNET_MESSAGE_TYPE_DV_DATA 47

/**
 * P2P DV message gossipping peer information
 */
#define GNUNET_MESSAGE_TYPE_DV_GOSSIP 48

/**
 * DV Plugin to DV service message, indicating
 * startup.
 */
#define GNUNET_MESSAGE_TYPE_DV_START 49

/**
 * P2P DV message notifying connected peers of a disconnect
 */
#define GNUNET_MESSAGE_TYPE_DV_DISCONNECT 50

/*******************************************************************************
 * Transport-UDP message types
 ******************************************************************************/

/**
 * Normal UDP message type.
 */
#define GNUNET_MESSAGE_TYPE_TRANSPORT_UDP_MESSAGE 56

/**
 * UDP ACK.
 */
#define GNUNET_MESSAGE_TYPE_TRANSPORT_UDP_ACK 57

/*******************************************************************************
 * Transport-TCP message types
 ******************************************************************************/

/**
 * TCP NAT probe message, send from NAT'd peer to
 * other peer to establish bi-directional communication
 */
#define GNUNET_MESSAGE_TYPE_TRANSPORT_TCP_NAT_PROBE 60

/**
 * Welcome message between TCP transports.
 */
#define GNUNET_MESSAGE_TYPE_TRANSPORT_TCP_WELCOME 61

/**
 * Message to force transport to update bandwidth assignment (LEGACY)
 */
#define GNUNET_MESSAGE_TYPE_TRANSPORT_ATS 62

/*******************************************************************************
 * NAT message types
 ******************************************************************************/

/**
 * Message to ask NAT server to perform traversal test
 */
#define GNUNET_MESSAGE_TYPE_NAT_TEST 63