protected override void OnClosing(CancelEventArgs e)
{
base.OnClosing(e);
if (asyncTcpClient.Connected)
{
asyncTcpClient.Disconnect();
}
}
/// <summary>
/// 停止
/// </summary>
public async void Stop()
{
if (Client != null)
{
await Task.Delay(2 * 1000);
Client.Disconnect();
Task.WaitAll(TaskManager.ToArray());
Client.Dispose();
Client = null;
GC.Collect();
}
}
private async Task MessageRecieved(AsyncTcpClient client, int count)
{
byte[] bytes = client.ByteBuffer.Dequeue(count);
string message = Encoding.UTF8.GetString(bytes, 0, bytes.Length);
Console.WriteLine("Server client: received: " + message);
bytes = Encoding.UTF8.GetBytes("You said: " + message);
await client.Send(new ArraySegment <byte>(bytes, 0, bytes.Length));
if (message == "bye")
{
// Let the server close the connection
client.Disconnect();
}
}
private void disconnectTcp()
{
// is there a tcp connection to the vna?
if (asyncTcpClient.connected == true)
{
// yes...
// disconnect from server
asyncTcpClient.Disconnect();
// update vna panel ui
updateControls(asyncTcpClient.connected);
// log the event
appendToLogTextBox("Disconnected from TCP/IP Socket");
}
}
/// <summary>
/// 断开连接
/// </summary>
public void OnDisconnect()
{
if (m_TcpClient == null)
{
return;
}
m_TcpClient.OnMessage -= OnTcpMessage;
m_TcpClient.Disconnect();
m_TcpClient = null;
if (m_UdpClient == null)
{
return;
}
m_UdpClient.OnMessage -= OnUdpMessage;
m_UdpClient.Disconnect();
m_UdpClient = null;
}
public async Task SendDataTask(byte[] bytes)
{
// 用户要发送的数据
if (!RemoteTcpClient.IsClosing)
{
if (bytes.Length <= 0)
{
// Close the client connection
RemoteTcpClient.Disconnect();
return;
}
await RemoteTcpClient.Send(new ArraySegment <byte>(bytes, 0, bytes.Length));
// Wait for server response or closed connection
await RemoteTcpClient.ByteBuffer.WaitAsync();
}
else
{
if (MessageEvent != null)
{
MessageEvent("发送数据失败: 远程主机已经关闭此连接", null);
}
}
}
