/// <summary>
/// 基本的接收
/// </summary>
public void Communicate()
{
try
{
if (Interlocked.CompareExchange(ref status, Status.Starting, Status.Stopped) == Status.Stopped)
{
OnReceiving?.Invoke(this, Empty);
while (TcpClient.Connected && TcpClient.Client.IsSocketConnected() && status == Status.Starting && Receive())
{
;
}
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.WriteLine(e.StackTrace);
}
finally
{
Interlocked.Exchange(ref status, Status.Stopped);
TcpClient.Close();
OnDisconnect?.Invoke(this, Empty);
OnReceiving = null;
OnMessage = null;
OnDisconnect = null;
}
}
/// <summary>
/// WebSocket監聽主程序
/// </summary>
/// <param name="context">Http通訊內容</param>
/// <param name="socket">WebSocket物件</param>
protected async Task Listen(HttpContext context, WebSocket socket)
{
OnConnected?.Invoke(context, socket);
Exception exception = null;
//監聽迴圈
while (socket.State == WebSocketState.Open)
{
List <byte> receiveData = new List <byte>();
WebSocketReceiveResult receiveResult = null;
//分段存取迴圈
do
{
//緩衝區
ArraySegment <byte> buffer = new ArraySegment <byte>(new byte[BufferSize]);
try {
//接收資料
receiveResult = await socket.ReceiveAsync(buffer, CancellationToken.None);
} catch (Exception e) {
exception = e;
break;
}
byte[] rawData = buffer.Array.Take(receiveResult.Count).ToArray();
OnReceiving?.Invoke(
socket,
receiveResult.MessageType,
rawData,
receiveResult.EndOfMessage);
receiveData.AddRange(rawData);
} while (!receiveResult.EndOfMessage);
OnReceived?.Invoke(socket, receiveResult.MessageType, receiveData.ToArray());
//檢查是否關閉連線，如關閉則跳脫循環監聽
if (exception != null ||
receiveResult.CloseStatus.HasValue ||
socket.State != WebSocketState.Open)
{
break;
}
}
if (exception != null)
{
OnException?.Invoke(socket, exception);
}
OnDisconnected?.Invoke(context, socket);
}
protected virtual void RecvNotify(JObject notifyObj)
{
OnReceiving?.Invoke(notifyObj.ToObject <Receiving>());
}
