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 = 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 = 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);
}
}
public void Send(string message)
{
foreach (SocketConnection item in connectionSocketList)
{
logger.Log("发送的消息: " + message);
if (!item.ConnectionSocket.Connected) return;
try
{
if (item.IsDataMasked)
{
DataFrame dr = new DataFrame(message);
item.ConnectionSocket.Send(dr.GetBytes());
}
else
{
item.ConnectionSocket.Send(FirstByte);
item.ConnectionSocket.Send(Encoding.UTF8.GetBytes(message));
item.ConnectionSocket.Send(LastByte);
}
}
catch (Exception ex)
{
logger.Log(ex.Message);
}
}
}