lib/ext/heartbeat.h

   1 /*
   2  * Copyright (C) 2002-2012 Free Software Foundation, Inc.
   3  *
   4  * Author: Olga Smolenchuk
   5  *
   6  * This file is part of GnuTLS.
   7  *
   8  * The GnuTLS is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public License
  10  * as published by the Free Software Foundation; either version 3 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public License
  19  * along with this program.  If not, see <http://www.gnu.org/licenses/>
  20  *
  21  */
  22
  23 #ifndef EXT_HEARTBEAT_H
  24 #define EXT_HEARTBEAT_H
  25
  26 #include <gnutls_extensions.h>
  27
  28 #define HEARTBEAT_REQUEST 1
  29 #define HEARTBEAT_RESPONSE 2
  30
  31 #define MAX_HEARTBEAT_LENGTH DEFAULT_MAX_RECORD_SIZE
  32
  33 #define LOCAL_ALLOWED_TO_SEND (1<<2)
  34 #define LOCAL_NOT_ALLOWED_TO_SEND (1<<3)
  35
  36 #define HEARTBEAT_DEFAULT_POLICY PEER_NOT_ALLOWED_TO_SEND
  37
  38 extern extension_entry_st ext_mod_heartbeat;
  39
  40 typedef uint8_t heartbeat_policy_t;
  41
  42 int _gnutls_heartbeat_handle (gnutls_session_t session, mbuffer_st * bufel);
  43 int _gnutls_heartbeat_enabled (gnutls_session_t session, int local);
  44 int gnutls_heartbeat_timeout (gnutls_session_t session, int check_only);
  45 #endif