private void OnPayloadChannelMessage(string targetId, string @event, NotifyData notifyData, ArraySegment <byte> payload)
{
if (targetId != Internal.TransportId)
{
return;
}
switch (@event)
{
case "rtcp":
{
// TODO: (alby) _closed 的使用及线程安全。
if (Closed)
{
break;
}
Emit("rtcp", payload);
break;
}
default:
{
_logger.LogError($"Ignoring unknown event \"{@event}\"");
break;
}
}
}
private void OnPayloadChannelMessage(string targetId, string @event, NotifyData data, ArraySegment <byte> payload)
{
if (targetId != DataConsumerId)
{
return;
}
switch (@event)
{
case "message":
{
// TODO: (alby) _closed 的使用及线程安全。
if (_closed)
{
break;
}
var ppid = data.PPID;
var message = payload;
// Emit 暂不支持超过两个参数
Emit("message", new NotifyMessage {
Message = message, PPID = ppid
});
break;
}
default:
{
_logger.LogError($"OnPayloadChannelMessage() | Ignoring unknown event \"{@event}\" in payload channel listener");
break;
}
}
}
/// <summary>
/// Send data (just valid for DataProducers created on a DirectTransport).
/// </summary>
/// <param name="message"></param>
/// <param name="ppid"></param>
/// <returns></returns>
public Task SendAsync(string message, int?ppid)
{
_logger.LogDebug($"SendAsync() | DataProducer:{DataProducerId}");
/*
* +-------------------------------+----------+
* | Value | SCTP |
* | | PPID |
* +-------------------------------+----------+
* | WebRTC String | 51 |
* | WebRTC Binary Partial | 52 |
* | (Deprecated) | |
* | WebRTC Binary | 53 |
* | WebRTC String Partial | 54 |
* | (Deprecated) | |
* | WebRTC String Empty | 56 |
* | WebRTC Binary Empty | 57 |
* +-------------------------------+----------+
*/
if (ppid == null)
{
ppid = !message.IsNullOrEmpty() ? 51 : 56;
}
// Ensure we honor PPIDs.
if (ppid == 56)
{
message = " ";
}
var notifyData = new NotifyData {
PPID = ppid.Value
};
_payloadChannel.Notify("dataProducer.send", _internal, notifyData, Encoding.UTF8.GetBytes(message));
return(Task.CompletedTask);
}
/// <summary>
/// Send data (just valid for DataProducers created on a DirectTransport).
/// </summary>
/// <param name="message"></param>
/// <param name="ppid"></param>
/// <returns></returns>
public Task SendAsync(byte[] message, int?ppid)
{
_logger.LogDebug($"SendAsync() | DataProducer:{DataProducerId}");
if (ppid == null)
{
ppid = !message.IsNullOrEmpty() ? 53 : 57;
}
// Ensure we honor PPIDs.
if (ppid == 57)
{
message = new byte[1];
}
var notifyData = new NotifyData {
PPID = ppid.Value
};
_payloadChannel.Notify("dataProducer.send", _internal, notifyData, message);
return(Task.CompletedTask);
}
