private async void SIOSocketReader()
{
bool haveIEverBeenConnected = false;
while (!cTokenSrc.Token.IsCancellationRequested)
{
var message = "";
var binary = new List <byte>();
READ:
var buffer = new byte[1024];
WebSocketReceiveResult res = null;
try
{
res = await Socket.ReceiveAsync(new ArraySegment <byte>(buffer), cTokenSrc.Token);
if (cTokenSrc.Token.IsCancellationRequested)
{
return;
}
}
catch
{
if (Status != SIOStatus.CONNECTED)
{
return; //Yeah, we already know. Wait for reconnect
}
//Something went wrong
if (cTokenSrc.Token.IsCancellationRequested)
{
return;
}
if (Status == SIOStatus.CONNECTED)
{
Socket.Abort();
}
Status = SIOStatus.ERROR;
SIODispatcher.Instance.Enqueue(new Action(() => { RaiseSIOEvent((haveIEverBeenConnected ? "disconnect" : (ReconnectAttempts > 0 ? "reconnect_error" : "connect_error")), (Socket.State == WebSocketState.CloseReceived || Socket.State == WebSocketState.Closed ? "transport close" : "transport error")); }));
return;
}
if (res == null)
{
goto READ; //we got nothing. Wait for data.
}
if (res.MessageType == WebSocketMessageType.Close)
{
if (cTokenSrc.Token.IsCancellationRequested || Status != SIOStatus.CONNECTED)
{
return;
}
Status = SIOStatus.ERROR;
SIODispatcher.Instance.Enqueue(new Action(() => { RaiseSIOEvent((haveIEverBeenConnected ? "disconnect" : (ReconnectAttempts > 0 ? "reconnect_error" : "connect_error")), "transport close"); }));
return;
}
else if (res.MessageType == WebSocketMessageType.Text)
{
if (!res.EndOfMessage)
{
message += Encoding.UTF8.GetString(buffer).TrimEnd('\0');
goto READ;
}
message += Encoding.UTF8.GetString(buffer).TrimEnd('\0');
#if VERBOSE
SocketIOManager.LogDebug("WS < " + message);
#endif
SocketPacket packet = Decoder.Decode(message);
switch (packet.enginePacketType)
{
case EnginePacketType.OPEN:
SocketOpenData sockData = JsonUtility.FromJson <SocketOpenData>(packet.json);
SocketID = null;
pingInterval = sockData.pingInterval;
pingTimeout = sockData.pingTimeout;
//Serialize Payload
string payload = "";
if (authPayload != null)
{
payload = authPayload.GetPayloadJSON();
}
//Hey Server, how are you today?
EmitPacket(new SocketPacket(EnginePacketType.MESSAGE, SocketPacketType.CONNECT, 0, "/", -1, payload));
SIODispatcher.Instance.Enqueue(new Action(() =>
{
RaiseSIOEvent("open");
}));
break;
case EnginePacketType.CLOSE:
SIODispatcher.Instance.Enqueue(new Action(() =>
{
RaiseSIOEvent("close");
}));
break;
case EnginePacketType.MESSAGE:
if (packet.socketPacketType == SocketPacketType.EVENT && packet.json == "")
{
buffer = null;
message = "";
continue;
}
if (packet.socketPacketType == SocketPacketType.CONNECT)
{
//Extract socket id
string tmpExtractionSubstr = packet.json.Substring(packet.json.IndexOf("sid\":") + 4).Trim();
tmpExtractionSubstr = tmpExtractionSubstr.Substring(tmpExtractionSubstr.IndexOf("\"") + 1, tmpExtractionSubstr.IndexOf("}") - 1);
SocketID = tmpExtractionSubstr.Substring(0, tmpExtractionSubstr.IndexOf("\""));
//invoke "connect" event
Status = SIOStatus.CONNECTED;
if (ReconnectAttempts > 0)
{
SIODispatcher.Instance.Enqueue(new Action(() => { RaiseSIOEvent("reconnect", null); }));
}
SIODispatcher.Instance.Enqueue(new Action(() => { RaiseSIOEvent("connect", null); }));
haveIEverBeenConnected = true;
ReconnectAttempts = 0;
}
else if (packet.socketPacketType == SocketPacketType.DISCONNECT)
{
SIODispatcher.Instance.Enqueue(new Action(() => { RaiseSIOEvent("disconnect", "io server disconnect"); }));
FinishOperation();
}
else if (packet.socketPacketType == SocketPacketType.ACK)
{
SocketIOManager.LogWarning("ACK is not supported by this library.");
}
else if (packet.socketPacketType == SocketPacketType.EVENT)
{
SIOEventStructure e = Parser.Parse(packet.json);
SIODispatcher.Instance.Enqueue(new Action(() =>
{
RaiseSIOEvent(e.eventName, e.data);
}));
}
break;
case EnginePacketType.PING:
lastPing = DateTime.Now;
EmitPacket(new SocketPacket(EnginePacketType.PONG));
break;
default:
SocketIOManager.LogWarning("Unhandled SIO packet: " + message);
break;
}
}
else
{
if (!res.EndOfMessage)
{
goto READ;
}
SocketIOManager.LogWarning("Received binary message");
}
buffer = null;
}
}
private async void SIOSocketReader()
{
while (!cTokenSrc.Token.IsCancellationRequested)
{
var message = "";
var binary = new List <byte>();
READ:
var buffer = new byte[1024];
WebSocketReceiveResult res = null;
try
{
res = await Socket.ReceiveAsync(new ArraySegment <byte>(buffer), cTokenSrc.Token);
if (cTokenSrc.Token.IsCancellationRequested)
{
return;
}
}
catch
{
//Something went wrong
if (cTokenSrc.Token.IsCancellationRequested)
{
return;
}
Status = SIOStatus.ERROR;
SIODispatcher.Instance.Enqueue(new Action(() => { RaiseSIOEvent("disconnect", "transport error"); }));
Socket.Abort();
break;
}
if (res == null)
{
goto READ; //we got nothing. Wait for data.
}
if (res.MessageType == WebSocketMessageType.Close)
{
Status = SIOStatus.DISCONNECTED;
Close();
SIODispatcher.Instance.Enqueue(new Action(() => { RaiseSIOEvent("disconnect", "io server disconnect"); }));
return;
}
else if (res.MessageType == WebSocketMessageType.Text)
{
if (!res.EndOfMessage)
{
message += Encoding.UTF8.GetString(buffer).TrimEnd('\0');
goto READ;
}
message += Encoding.UTF8.GetString(buffer).TrimEnd('\0');
SocketPacket packet = Decoder.Decode(message);
switch (packet.enginePacketType)
{
case EnginePacketType.OPEN:
SocketOpenData sockData = JsonUtility.FromJson <SocketOpenData>(packet.json);
SocketID = sockData.sid;
pingInterval = sockData.pingInterval;
pingTimeout = sockData.pingTimeout;
//Hey Server, how are you today?
EmitPacket(new SocketPacket(EnginePacketType.MESSAGE, SocketPacketType.CONNECT, 0, "/", -1, ""));
SIODispatcher.Instance.Enqueue(new Action(() =>
{
RaiseSIOEvent("open");
}));
ReconnectAttempts = 0;
break;
case EnginePacketType.CLOSE:
SIODispatcher.Instance.Enqueue(new Action(() =>
{
RaiseSIOEvent("close");
}));
break;
case EnginePacketType.MESSAGE:
if (packet.json == "")
{
buffer = null;
message = "";
continue;
}
if (packet.socketPacketType == SocketPacketType.ACK)
{
SocketIOManager.LogWarning("ACK is not supported by this library.");
}
if (packet.socketPacketType == SocketPacketType.EVENT)
{
SIOEventStructure e = Parser.Parse(packet.json);
SIODispatcher.Instance.Enqueue(new Action(() =>
{
RaiseSIOEvent(e.eventName, e.data);
}));
}
break;
case EnginePacketType.PING:
lastPing = DateTime.Now;
EmitPacket(new SocketPacket(EnginePacketType.PONG));
break;
default:
SocketIOManager.LogWarning("Unhandled SIO packet: " + message);
break;
}
}
else
{
if (!res.EndOfMessage)
{
goto READ;
}
SocketIOManager.LogWarning("Received binary message");
}
buffer = null;
}
}
