stun/utils.h

   1 /*
   2  * This file is part of the Nice GLib ICE library.
   3  *
   4  * (C) 2007 Nokia Corporation. All rights reserved.
   5  *  Contact: Rémi Denis-Courmont
   6  *
   7  * The contents of this file are subject to the Mozilla Public License Version
   8  * 1.1 (the "License"); you may not use this file except in compliance with
   9  * the License. You may obtain a copy of the License at
  10  * http://www.mozilla.org/MPL/
  11  *
  12  * Software distributed under the License is distributed on an "AS IS" basis,
  13  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  14  * for the specific language governing rights and limitations under the
  15  * License.
  16  *
  17  * The Original Code is the Nice GLib ICE library.
  18  *
  19  * The Initial Developers of the Original Code are Collabora Ltd and Nokia
  20  * Corporation. All Rights Reserved.
  21  *
  22  * Contributors:
  23  *   Rémi Denis-Courmont, Nokia
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of the
  26  * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which
  27  * case the provisions of LGPL are applicable instead of those above. If you
  28  * wish to allow use of your version of this file only under the terms of the
  29  * LGPL and not to allow others to use your version of this file under the
  30  * MPL, indicate your decision by deleting the provisions above and replace
  31  * them with the notice and other provisions required by the LGPL. If you do
  32  * not delete the provisions above, a recipient may use your version of this
  33  * file under either the MPL or the LGPL.
  34  */
  35
  36 #ifndef STUN_UTILS_H
  37 # define STUN_UTILS_H 1
  38
  39 /**
  40  * @file utils.h
  41  * @brief STUN client generic utility functions
  42  */
  43
  44 #include "stunmessage.h"
  45
  46 #ifdef _WIN32
  47 #include <winsock2.h>
  48 #include <ws2tcpip.h>
  49 #else
  50 #include <sys/types.h>
  51 #include <sys/socket.h>
  52 #endif
  53
  54 # ifdef __cplusplus
  55 extern "C" {
  56 # endif
  57
  58
  59 int sockaddrcmp (const struct sockaddr *a, const struct sockaddr *b);
  60
  61 bool stun_optional (uint16_t t);
  62
  63 size_t stun_padding (size_t l);
  64
  65 size_t stun_align (size_t l);
  66
  67 uint16_t stun_getw (const uint8_t *ptr);
  68
  69 void stun_debug_enable (void);
  70 void stun_debug_disable (void);
  71 void stun_debug (const char *fmt, ...);
  72 void stun_debug_bytes (const void *data, size_t len);
  73
  74 StunMessageReturn stun_xor_address (const StunMessage *msg,
  75     struct sockaddr *addr, socklen_t addrlen,
  76     uint32_t magic_cookie);
  77
  78 void *stun_setw (uint8_t *ptr, uint16_t value);
  79
  80 void stun_set_type (uint8_t *h, stun_class_t c, stun_method_t m);
  81
  82 const char *stun_strerror (stun_error_t code);
  83
  84 # ifdef __cplusplus
  85 }
  86 # endif
  87
  88 #endif /* !STUN_UTILS_H */