public void StartServer()
{
Char char1 = Convert.ToChar(65533);
IPAddress ipAddress = getLocalmachineIPAddress();
Listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP);
Listener.Bind(new IPEndPoint(ipAddress, ServerPort));
Listener.Listen(ConnectionsQueueLength);
_logger.Log(string.Format("聊天服务器启动。监听地址：{0}, 端口：{1}", ipAddress, ServerPort));
_logger.Log(string.Format("WebSocket服务器地址: ws://{0}:{1}/chat", ipAddress, ServerPort));
while (true)
{
Socket sc = Listener.Accept();
if (sc != null)
{
System.Threading.Thread.Sleep(100);
SocketConnection socketConn = new SocketConnection();
socketConn.ConnectionSocket = sc;
socketConn.NewConnection += new NewConnection_EventHandler(socketConn_NewConnection);
socketConn.DataReceived += new DataReceived_EventHandler(socketConn_BroadcastMessage);
socketConn.Disconnected += new Disconnected_EventHandler(socketConn_Disconnected);
//异步读取消息
socketConn.ConnectionSocket.BeginReceive(socketConn.receivedDataBuffer,
0, socketConn.receivedDataBuffer.Length,
0,
new AsyncCallback(socketConn.ManageHandshake), //CallBack
socketConn.ConnectionSocket.Available);
connectionSocket_List.Add(socketConn);
}
}
}
private void Read(IAsyncResult status)
{
if (!ConnectionSocket.Connected)
{
return;
}
string messageReceived = string.Empty;
DataFrame dr = new DataFrame(receivedDataBuffer);
try
{
if (!this.isDataMasked)
{
// Web Socket protocol: messages are sent with 0x00 and 0xFF as padding bytes
System.Text.UTF8Encoding decoder = _CacheSetting.cacheUtf8Encoding ? null : new System.Text.UTF8Encoding();
int startIndex = 0;
int endIndex = 0;
// Search for the start byte
while (receivedDataBuffer[startIndex] == FirstByte[0])
{
startIndex++;
}
// Search for the end byte
endIndex = startIndex + 1;
while (receivedDataBuffer[endIndex] != LastByte[0] && endIndex != MaxBufferSize - 1)
{
endIndex++;
}
if (endIndex == MaxBufferSize - 1)
{
endIndex = MaxBufferSize;
}
// Get the message
messageReceived = (_CacheSetting.cacheUtf8Encoding ? _CacheSetting.utf8Encoding : decoder).GetString(receivedDataBuffer, startIndex, endIndex - startIndex);
}
else
{
messageReceived = dr.Text;
}
if ((messageReceived.Length == MaxBufferSize && messageReceived[0] == Convert.ToChar(65533)) ||
messageReceived.Length == 0)
{
_logger.Log("接受到的信息 [\"" + string.Format("logout:{0}", this.name) + "\"]");
if (Disconnected != null)
{
Disconnected(this, EventArgs.Empty);
}
}
else
{
if (DataReceived != null)
{
_logger.Log("接受到的信息 [\"" + messageReceived + "\"]");
DataReceived(this, messageReceived, EventArgs.Empty);
}
Array.Clear(receivedDataBuffer, 0, receivedDataBuffer.Length);
ConnectionSocket.BeginReceive(receivedDataBuffer, 0, receivedDataBuffer.Length, 0, new AsyncCallback(Read), null);
}
}
catch (Exception ex)
{
_logger.Log(ex.Message);
_logger.Log("Socket连接将会被终止。");
if (Disconnected != null)
{
Disconnected(this, EventArgs.Empty);
}
}
}
