/// <summary>
/// Sends a message to the WebSocket server
/// </summary>
/// <param name="buffer">An ArraySegment of bytes that will be sent to the WebSocket server.</param>
/// <param name="messageType">This is the message type to send Binary or Text</param>
/// <returns>Ok or an error</returns>
public PPError Send(ArraySegment <byte> buffer, WebSocketMessageType messageType)
{
ThrowIfNotConnected();
if (messageType != WebSocketMessageType.Binary &&
messageType != WebSocketMessageType.Text)
{
throw new ArgumentException($"Invalid Message Type {messageType} in method Send - Valid values are {WebSocketMessageType.Binary}, {WebSocketMessageType.Text}",
"messageType");
}
ValidateArraySegment <byte>(buffer, "buffer");
if (messageType == WebSocketMessageType.Text)
{
var varBuffer = new Var(Encoding.UTF8.GetString(buffer.Array));
return((PPError)PPBWebSocket.SendMessage(this, varBuffer));
}
else
{
var size = (uint)buffer.Count;
var arrayBuffer = new VarArrayBuffer(size);
var data = arrayBuffer.Map();
for (int i = 0; i < size; ++i)
{
data[i] = buffer.Array[i];
}
arrayBuffer.Flush();
arrayBuffer.Unmap();
return((PPError)PPBWebSocket.SendMessage(this, arrayBuffer));
}
}
private async Task <PPError> SendAsyncCore(ArraySegment <byte> buffer, WebSocketMessageType messageType, MessageLoop sendLoop)
{
var tcs = new TaskCompletionSource <PPError>();
try
{
if (messageType == WebSocketMessageType.Text)
{
if (MessageLoop == null)
{
tcs.TrySetResult(Send(buffer, messageType));
}
else
{
Action <PPError> action = new Action <PPError>((e) =>
{
var varBuffer = new Var(Encoding.UTF8.GetString(buffer.Array));
var result = (PPError)PPBWebSocket.SendMessage(this, varBuffer);
tcs.TrySetResult(result);
}
);
InvokeHelper(action, sendLoop);
}
}
else
{
if (MessageLoop == null)
{
tcs.TrySetResult(Send(buffer, messageType));
}
else
{
Action <PPError> action = new Action <PPError>((e) =>
{
var size = (uint)buffer.Count;
var arrayBuffer = new VarArrayBuffer(size);
var data = arrayBuffer.Map();
for (int i = 0; i < size; ++i)
{
data[i] = buffer.Array[i];
}
arrayBuffer.Flush();
arrayBuffer.Unmap();
var result = (PPError)PPBWebSocket.SendMessage(this, arrayBuffer);
tcs.TrySetResult(result);
});
InvokeHelper(action, sendLoop);
}
}
return(await tcs.Task);
}
catch (Exception exc)
{
Console.WriteLine(exc.Message);
tcs.SetException(exc);
return(PPError.Aborted);
}
}
