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ns_turn_defs.h
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/*
* Copyright (C) 2011, 2012, 2013 Citrix Systems
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef __IOADEFS__
#define __IOADEFS__
#define TURN_SERVER_VERSION "4.6.2"
#define TURN_SERVER_VERSION_NAME "Gorst"
#ifndef TURN_SERVER_BUILD_INFO
#define TURN_SERVER_BUILD_INFO ""
#endif
#define TURN_SOFTWARE "Coturn-" TURN_SERVER_VERSION " '" TURN_SERVER_VERSION_NAME "'" TURN_SERVER_BUILD_INFO
#if (defined(__unix__) || defined(unix)) && !defined(USG)
#include <sys/param.h>
#endif
#if defined(__APPLE__)
#define __APPLE_USE_RFC_3542
#endif
#if defined(WINDOWS)
#include <process.h>
#include <ws2tcpip.h>
#else
#include <arpa/inet.h> // IWYU pragma: export
#include <net/if.h> // IWYU pragma: export
#include <netinet/in.h> // IWYU pragma: export
#include <netinet/tcp.h> // IWYU pragma: export
#include <strings.h>
#include <sys/socket.h> // IWYU pragma: export
#include <unistd.h> // IWYU pragma: export
#endif
#include <ctype.h>
#include <errno.h>
#include <inttypes.h>
#include <stdarg.h>
#include <stddef.h> // IWYU pragma: export
#include <stdint.h> // IWYU pragma: export
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <time.h>
#ifdef __cplusplus
extern "C" {
#endif
#define nswap16(s) ntohs(s)
#define nswap32(ul) ntohl(ul)
#define nswap64(ull) ioa_ntoh64(ull)
static inline uint64_t _ioa_ntoh64(uint64_t v) {
#if BYTE_ORDER == LITTLE_ENDIAN
uint8_t *src = (uint8_t *)&v;
uint8_t *dst = src + 7;
while (src < dst) {
uint8_t vdst = *dst;
*(dst--) = *src;
*(src++) = vdst;
}
#elif BYTE_ORDER == BIG_ENDIAN
/* OK */
#else
#error WRONG BYTE_ORDER SETTING
#endif
return v;
}
/* TTL */
#define TTL_IGNORE ((int)(-1))
#define TTL_DEFAULT (64)
/* TOS */
#define TOS_IGNORE ((int)(-1))
#define TOS_DEFAULT (0)
#define ioa_ntoh64 _ioa_ntoh64
#define ioa_hton64 _ioa_ntoh64
#if defined(WINDOWS)
static inline int socket_errno(void) { return WSAGetLastError(); }
static inline int socket_enomem(void) { return socket_errno() == WSA_NOT_ENOUGH_MEMORY; }
static inline int socket_eintr(void) { return socket_errno() == WSAEINTR; }
static inline int socket_ebadf(void) { return socket_errno() == WSAEBADF; }
static inline int socket_eacces(void) { return socket_errno() == WSAEACCES; }
static inline int socket_enobufs(void) { return socket_errno() == WSAENOBUFS; }
static inline int socket_eagain(void) { return socket_errno() == WSATRY_AGAIN; }
static inline int socket_ewouldblock(void) { return socket_errno() == WSAEWOULDBLOCK; }
static inline int socket_einprogress(void) { return socket_errno() == WSAEINPROGRESS; }
static inline int socket_econnreset(void) { return socket_errno() == WSAECONNRESET; }
static inline int socket_econnrefused(void) { return socket_errno() == WSAECONNREFUSED; }
static inline int socket_ehostdown(void) { return socket_errno() == WSAEHOSTDOWN; }
static inline int socket_emsgsize(void) { return socket_errno() == WSAEMSGSIZE; }
#else
static inline int socket_errno(void) { return errno; }
static inline int socket_eperm(void) { return socket_errno() == EPERM; }
static inline int socket_enomem(void) { return socket_errno() == ENOMEM; }
static inline int socket_eintr(void) { return socket_errno() == EINTR; }
static inline int socket_ebadf(void) { return socket_errno() == EBADF; }
static inline int socket_eacces(void) { return socket_errno() == EACCES; }
static inline int socket_enobufs(void) { return socket_errno() == ENOBUFS; }
static inline int socket_eagain(void) { return socket_errno() == EAGAIN; }
#if defined(EWOULDBLOCK)
static inline int socket_ewouldblock(void) { return socket_errno() == EWOULDBLOCK; }
#else
static inline int socket_ewouldblock(void) { return socket_errno() == EAGAIN; }
#endif
static inline int socket_einprogress(void) { return socket_errno() == EINPROGRESS; }
static inline int socket_econnreset(void) { return socket_errno() == ECONNRESET; }
static inline int socket_econnrefused(void) { return socket_errno() == ECONNREFUSED; }
static inline int socket_ehostdown(void) { return socket_errno() == EHOSTDOWN; }
static inline int socket_emsgsize(void) { return socket_errno() == EMSGSIZE; }
#endif
#define BUFFEREVENT_FREE(be) \
do { \
if (be) { \
bufferevent_flush(be, EV_READ | EV_WRITE, BEV_FLUSH); \
bufferevent_disable(be, EV_READ | EV_WRITE); \
bufferevent_free(be); \
be = NULL; \
} \
} while (0)
#define turn_time() ((turn_time_t)time(NULL))
typedef int vint;
typedef vint *vintp;
typedef uint32_t turn_time_t;
#define turn_time_before(t1, t2) ((((int32_t)(t1)) - ((int32_t)(t2))) < 0)
#if !defined(UNUSED_ARG)
#define UNUSED_ARG(A) \
do { \
A = A; \
} while (0)
#endif
#define MAX_STUN_MESSAGE_SIZE (65507)
#define STUN_BUFFER_SIZE (MAX_STUN_MESSAGE_SIZE)
#define UDP_STUN_BUFFER_SIZE (1024 << 4)
#define NONCE_LENGTH_32BITS (4)
#define DEFAULT_STUN_PORT (3478)
#define DEFAULT_STUN_TLS_PORT (5349)
#if BYTE_ORDER == LITTLE_ENDIAN
#define DEFAULT_STUN_PORT_NBO (0x960D)
#elif BYTE_ORDER == BIG_ENDIAN
#define DEFAULT_STUN_PORT_NBO (0x0D96)
#else
#error WRONG BYTE_ORDER SETTING
#endif
// NOLINTBEGIN(clang-diagnostic-string-compare)
#define STRCPY(dst, src) \
do { \
if ((const char *)(dst) != (const char *)(src)) { \
if (sizeof(dst) == sizeof(char *)) \
strcpy(((char *)(dst)), (const char *)(src)); \
else { \
size_t szdst = sizeof((dst)); \
strncpy((char *)(dst), (const char *)(src), szdst); \
((char *)(dst))[szdst - 1] = 0; \
} \
} \
} while (0)
// NOLINTEND(clang-diagnostic-string-compare)
//////////////// Bufferevents /////////////////////
#define TURN_BUFFEREVENTS_OPTIONS (BEV_OPT_DEFER_CALLBACKS | BEV_OPT_THREADSAFE | BEV_OPT_UNLOCK_CALLBACKS)
//////////////// KERNEL-LEVEL CHANNEL HANDLERS /////////
#if !defined(TURN_CHANNEL_HANDLER_KERNEL)
#define TURN_CHANNEL_HANDLER_KERNEL void *
#endif
#if !defined(CREATE_TURN_CHANNEL_KERNEL)
#define CREATE_TURN_CHANNEL_KERNEL(channel_number, address_family_client, address_family_peer, protocol_client, \
client_addr, local_addr, local_relay_addr, peer_addr) \
((TURN_CHANNEL_HANDLER_KERNEL)(1))
#endif
#if !defined(DELETE_TURN_CHANNEL_KERNEL)
#define DELETE_TURN_CHANNEL_KERNEL(handler)
#endif
////////////////////////////////////////////////////////
#if !defined(IPPROTO_SCTP)
#define TURN_NO_SCTP
#endif
#define CLIENT_DGRAM_SOCKET_TYPE SOCK_DGRAM
#define CLIENT_DGRAM_SOCKET_PROTOCOL IPPROTO_IP
#define CLIENT_STREAM_SOCKET_TYPE SOCK_STREAM
#define CLIENT_STREAM_SOCKET_PROTOCOL IPPROTO_IP
#define SCTP_CLIENT_STREAM_SOCKET_TYPE SOCK_STREAM
#if !defined(TURN_NO_SCTP)
#define SCTP_CLIENT_STREAM_SOCKET_PROTOCOL IPPROTO_SCTP
#else
#define SCTP_CLIENT_STREAM_SOCKET_PROTOCOL IPPROTO_IP
#endif
#define RELAY_DGRAM_SOCKET_TYPE SOCK_DGRAM
#define RELAY_DGRAM_SOCKET_PROTOCOL IPPROTO_IP
#define RELAY_STREAM_SOCKET_TYPE SOCK_STREAM
#define RELAY_STREAM_SOCKET_PROTOCOL IPPROTO_IP
#define ADMIN_STREAM_SOCKET_TYPE SOCK_STREAM
#define ADMIN_STREAM_SOCKET_PROTOCOL IPPROTO_IP
////////////////////////////////////////////////////////
#ifdef __cplusplus
}
#endif
#endif
/* __IODEFS__ */