| /* |
| * Copyright (C) 2012-2015 Michael Tuexen |
| * |
| * 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 DATACHAN_H |
| |
| #define DATA_CHANNEL_PPID_CONTROL 1 |
| #define DATA_CHANNEL_PPID_DOMSTRING 2 |
| #define DATA_CHANNEL_PPID_BINARY 3 |
| |
| struct rtcweb_datachannel_msg { |
| uint8_t msg_type; |
| uint8_t channel_type; |
| uint16_t flags; |
| uint16_t reverse_stream; |
| uint16_t reliability_params; |
| /* msg_type_data follows */ |
| } SCTP_PACKED; |
| |
| /* msg_type values: */ |
| #define DATA_CHANNEL_OPEN 0 |
| #define DATA_CHANNEL_OPEN_RESPONSE 1 |
| |
| /* channel_type values: */ |
| #define DATA_CHANNEL_RELIABLE 0 |
| #define DATA_CHANNEL_RELIABLE_STREAM 1 |
| #define DATA_CHANNEL_UNRELIABLE 2 |
| #define DATA_CHANNEL_PARTIAL_RELIABLE_REXMIT 3 |
| #define DATA_CHANNEL_PARTIAL_RELIABLE_TIMED 4 |
| |
| /* flags values: */ |
| #define DATA_CHANNEL_FLAG_OUT_OF_ORDER_ALLOWED 0x0001 |
| /* all other bits reserved and should be set to 0 */ |
| |
| /* msg_type_data contains: */ |
| /* |
| for DATA_CHANNEL_OPEN: |
| a DOMString label for the data channel |
| for DATA_CHANNEL_OPEN_RESPONSE: |
| a 16-bit value for errors or 0 for no error |
| */ |
| |
| #define ERR_DATA_CHANNEL_ALREADY_OPEN 0 |
| #define ERR_DATA_CHANNEL_NONE_AVAILABLE 1 |
| |
| #endif |