protected bool OnError(string msg)
{
if (Error == null) return false;
var arg = new ErrorEventArg {Cancel = false, Message = msg};
Error(this, arg);
return arg.Cancel;
}
public void ConnectAsync(Uri uri, System.Threading.CancellationToken cancel)
{
Task.Run(() =>
{
try
{
ws.ConnectAsync(uri, cancel);
if (ws.State == WebSocketState.Open)
{
MessageEventArg arg = new MessageEventArg();
arg.message = "Connection Established";
OnConnect(this, arg);
RecieveAsync(cancel);
}
}
catch (WebSocketException ex)
{
ErrorEventArg arg = new ErrorEventArg();
arg.time = DateTime.Now;
arg.socketState = ws.State;
arg.socketException = ex;
OnError(this, arg);
}
}, cancel);
}
protected bool OnError(string msg)
{
if (Error == null)
{
return(false);
}
var arg = new ErrorEventArg {
Cancel = false, Message = msg
};
Error(this, arg);
return(arg.Cancel);
}
private async void RecieveAsync(System.Threading.CancellationToken cancel)
{
try
{
ArraySegment <byte> buffer = new ArraySegment <byte>(new byte[10000]);
WebSocketReceiveResult result = await ws.ReceiveAsync(buffer, cancel);
if (ws.State == WebSocketState.CloseReceived)
{
MessageEventArg arg = new MessageEventArg();
arg.time = DateTime.Now;
if (ws.CloseStatusDescription != "")
{
arg.message = ws.CloseStatusDescription;
}
else
{
arg.message = "Websocket closed";
}
OnClose(this, arg);
}
else
{
MessageEventArg arg = new MessageEventArg();
if (result.Count != 0 || result.CloseStatus == WebSocketCloseStatus.Empty)
{
arg.time = DateTime.Now;
string message = Encoding.ASCII.GetString(buffer.Array,
buffer.Offset, result.Count);
arg.message = message;
OnReceive(this, arg);
RecieveAsync(cancel);
}
}
}
catch (WebSocketException ex)
{
ErrorEventArg arg = new ErrorEventArg();
arg.time = DateTime.Now;
arg.socketState = ws.State;
arg.socketException = ex;
OnError(this, arg);
}
}
public void SendAsync(string message, Uri uri, System.Threading.CancellationToken cancel, System.Text.Encoding encoding)
{
Task.Run(() =>
{
try
{
ArraySegment <byte> buffer = new ArraySegment <byte>(encoding.GetBytes(message.ToCharArray()));
ws.SendAsync(buffer, WebSocketMessageType.Text, true, cancel);
System.Diagnostics.Debug.WriteLine("Sent success.");
}
catch (WebSocketException ex)
{
ErrorEventArg arg = new ErrorEventArg();
arg.time = DateTime.Now;
arg.socketState = ws.State;
arg.socketException = ex;
OnError(this, arg);
}
}, cancel);
}
