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($"OnPayloadChannelMessage() | Ignoring unknown event \"{@event}\" in payload channel listener");
break;
}
}
}
private void OnPayloadChannelMessage(string targetId, string @event, NotifyData notifyData, ArraySegment <byte> payload)
{
if (targetId != ConsumerId)
{
return;
}
switch (@event)
{
case "rtp":
{
// TODO: (alby) _closed 的使用及线程安全。
if (_closed)
{
break;
}
Emit("rtp", payload);
break;
}
default:
{
_logger.LogError($"OnPayloadChannelMessage() | 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":
{
if (Closed)
{
break;
}
var ppid = data.PPID;
var message = payload;
// Emit 暂不支持超过两个参数
Emit("message", new NoyifyMessage {
Message = message, PPID = ppid
});
break;
}
default:
{
_logger.LogError($"OnPayloadChannelMessage() | ignoring unknown event{@event}");
break;
}
}
}
public void Notify(string @event, object @internal, NotifyData data, byte[] payload)
{
_logger.LogDebug($"notify() [event:{@event}]");
if (_closed)
{
throw new InvalidStateException("PayloadChannel closed");
}
var notification = new { @event, @internal, data };
var ns1Bytes = Netstring.Encode(notification.ToCamelCaseJson());
var ns2Bytes = Netstring.Encode(payload);
if (ns1Bytes.Length > NsMessageMaxLen)
{
throw new Exception("PayloadChannel notification too big");
}
if (ns2Bytes.Length > NsMessageMaxLen)
{
throw new Exception("PayloadChannel payload too big");
}
Loop.Default.Sync(() =>
{
try
{
// This may throw if closed or remote side ended.
_producerSocket.Write(ns1Bytes, ex =>
{
if (ex != null)
{
_logger.LogError(ex, "_producerSocket.Write() | error");
}
});
}
catch (Exception ex)
{
_logger.LogWarning($"notify() | sending notification failed: {ex}");
return;
}
try
{
// This may throw if closed or remote side ended.
_producerSocket.Write(ns2Bytes, ex =>
{
if (ex != null)
{
_logger.LogError(ex, "_producerSocket.Write() | error");
}
});
}
catch (Exception ex)
{
_logger.LogWarning($"notify() | sending notification failed: {ex}");
return;
}
});
}
/// <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($"SendAsync() | DataConsumer:{DataConsumerId}");
/*
* +-------------------------------+----------+
* | Value | SCTP |
* | | PPID |
* +-------------------------------+----------+
* | WebRTC String | 51 |
* | WebRTC Binary Partial | 52 |
* | (Deprecated) | |
* | WebRTC Binary | 53 |
* | WebRTC String Partial | 54 |
* | (Deprecated) | |
* | WebRTC String Empty | 56 |
* | WebRTC Binary Empty | 57 |
* +-------------------------------+----------+
*/
if (ppid == null)
{
ppid = !message.IsNullOrEmpty() ? 51 : 56;
}
// Ensure we honor PPIDs.
if (ppid == 56)
{
message = " ";
}
var requestData = new NotifyData {
PPID = ppid.Value
};
_payloadChannel.Notify("dataConsumer.send", _internal, requestData, Encoding.UTF8.GetBytes(message));
return(Task.CompletedTask);
}
/// <summary>
/// Send data (just valid for DataProducers created on a DirectTransport).
/// </summary>
/// <param name="message"></param>
/// <param name="ppid"></param>
/// <returns></returns>
public Task SendAsync(byte[] message, int?ppid)
{
_logger.LogDebug($"SendAsync() | DataConsumer:{DataConsumerId}");
if (ppid == null)
{
ppid = !message.IsNullOrEmpty() ? 53 : 57;
}
// Ensure we honor PPIDs.
if (ppid == 57)
{
message = new byte[1];
}
var requestData = new NotifyData {
PPID = ppid.Value
};
_payloadChannel.Notify("dataConsumer.send", _internal, requestData, message);
return(Task.CompletedTask);
}