/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef NETWERK_SCTP_DATACHANNEL_DATACHANNELPROTOCOL_H_
#define NETWERK_SCTP_DATACHANNEL_DATACHANNELPROTOCOL_H_
#if defined(__GNUC__)
# define SCTP_PACKED __attribute__((packed))
#elif defined(_MSC_VER)
# pragma
pack(push,
1)
# define SCTP_PACKED
#else
# error
"Unsupported compiler"
#endif
#define WEBRTC_DATACHANNEL_STREAMS_DEFAULT
256
// Do not change this value!
#define WEBRTC_DATACHANNEL_PORT_DEFAULT
5000
// TODO: Bug 1381146, change once we resolve the nsCString limitation
#define WEBRTC_DATACHANNEL_MAX_MESSAGE_SIZE_LOCAL
1073741823
#define WEBRTC_DATACHANNEL_MAX_MESSAGE_SIZE_REMOTE_DEFAULT
65536
// TODO: Bug 1382779, once resolved, can be increased to min(Uint8ArrayMaxSize,
// UINT32_MAX)
// TODO: Bug 1381146, once resolved, can be increased to whatever we support
// then (hopefully SIZE_MAX) or be removed
#define WEBRTC_DATACHANNEL_MAX_MESSAGE_SIZE_REMOTE
2147483637
#define DATA_CHANNEL_PPID_CONTROL
50
#define DATA_CHANNEL_PPID_BINARY_PARTIAL
52
#define DATA_CHANNEL_PPID_BINARY
53
#define DATA_CHANNEL_PPID_DOMSTRING_PARTIAL
54
#define DATA_CHANNEL_PPID_DOMSTRING
51
#define DATA_CHANNEL_PPID_DOMSTRING_EMPTY
56
#define DATA_CHANNEL_PPID_BINARY_EMPTY
57
#define DATA_CHANNEL_MAX_BINARY_FRAGMENT
0x4000
#define DATA_CHANNEL_BUFFER_MESSAGE_FLAGS_TOO_LARGE
0x01
#define DATA_CHANNEL_BUFFER_MESSAGE_FLAGS_BUFFERED
0x02
#define DATA_CHANNEL_BUFFER_MESSAGE_FLAGS_COMPLETE
0x04
#define INVALID_STREAM (
0xFFFF)
// max is 0xFFFF: Streams 0 to 0xFFFE = 0xFFFF streams
#define MAX_NUM_STREAMS (
2048)
struct rtcweb_datachannel_open_request {
uint8_t msg_type;
// DATA_CHANNEL_OPEN
uint8_t channel_type;
int16_t priority;
uint32_t reliability_param;
uint16_t label_length;
uint16_t protocol_length;
char label[
1];
// (and protocol) keep VC++ happy...
} SCTP_PACKED;
struct rtcweb_datachannel_ack {
uint8_t msg_type;
// DATA_CHANNEL_ACK
} SCTP_PACKED;
/* msg_type values: */
/* 0-1 were used in an early version of the protocol with 3-way handshakes */
#define DATA_CHANNEL_ACK
2
#define DATA_CHANNEL_OPEN_REQUEST
3
/* channel_type values: */
#define DATA_CHANNEL_RELIABLE
0x00
#define DATA_CHANNEL_PARTIAL_RELIABLE_REXMIT
0x01
#define DATA_CHANNEL_PARTIAL_RELIABLE_TIMED
0x02
#define DATA_CHANNEL_RELIABLE_UNORDERED
0x80
#define DATA_CHANNEL_PARTIAL_RELIABLE_REXMIT_UNORDERED
0x81
#define DATA_CHANNEL_PARTIAL_RELIABLE_TIMED_UNORDERED
0x82
#define ERR_DATA_CHANNEL_ALREADY_OPEN
1
#define ERR_DATA_CHANNEL_NONE_AVAILABLE
2
#if defined(_MSC_VER)
# pragma
pack(pop)
# undef SCTP_PACKED
#endif
#endif
