зеркало из https://github.com/mozilla/gecko-dev.git
92 строки
3.1 KiB
C
92 строки
3.1 KiB
C
/* -*- 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_STREAMS_OLDER_FIREFOX 256
|
|
#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_MAX_BINARY_FRAGMENT 0x4000
|
|
|
|
#define DATA_CHANNEL_FLAGS_READY 0x00000001
|
|
#define DATA_CHANNEL_FLAGS_OUT_OF_ORDER_ALLOWED 0x00000002
|
|
#define DATA_CHANNEL_FLAGS_FINISH_OPEN 0x00000004
|
|
#define DATA_CHANNEL_FLAGS_EXTERNAL_NEGOTIATED 0x00000008
|
|
#define DATA_CHANNEL_FLAGS_WAITING_ACK 0x00000010
|
|
#define DATA_CHANNEL_FLAGS_CLOSING_TOO_LARGE 0x00000020
|
|
|
|
#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
|