// 接收数据
public void OnDataReceived(IAsyncResult asyn)
{
try
{
SocketPacket theSockId = (SocketPacket)asyn.AsyncState;
int iRx = theSockId.thisSocket.EndReceive(asyn);
string msg = "";
string name = "";
//theSockId.dataBuffer
byte[] headLength = theSockId.dataBuffer.Skip(0).Take(2).ToArray();
byte[] dd = theSockId.dataBuffer.Skip(2).Take(2).ToArray();
Int16 cmd = System.Net.IPAddress.NetworkToHostOrder(BitConverter.ToInt16(theSockId.dataBuffer.Skip(2).Take(2).ToArray(), 0));
switch (cmd)
{
case 10000: // 登录成功
{
_login = true;
}
break;
case 11001: // 收到广播消息
{
byte[] accountId = theSockId.dataBuffer.Skip(4).Take(4).ToArray();
Int16 accountNameSize = System.Net.IPAddress.NetworkToHostOrder(BitConverter.ToInt16(theSockId.dataBuffer.Skip(8).Take(2).ToArray(), 0));
byte[] AccountName = theSockId.dataBuffer.Skip(10).Take(accountNameSize).ToArray();
name = Encoding.ASCII.GetString(AccountName);
Int16 contentSize = System.Net.IPAddress.NetworkToHostOrder(BitConverter.ToInt16(theSockId.dataBuffer.Skip(10 + accountNameSize).Take(2).ToArray(), 0));
byte[] contentByte = theSockId.dataBuffer.Skip(10 + accountNameSize + 2).Take(contentSize).ToArray();
msg = Encoding.ASCII.GetString(contentByte);
AppendToRichEditControl(name + "：" + msg + "\r\n");
}
break;
}
// 等待数据
WaitForData();
}
catch (ObjectDisposedException)
{
System.Diagnostics.Debugger.Log(0, "1", "\nOnDataReceived: Socket已经关闭!\n");
}
catch (SocketException se)
{
if (se.ErrorCode == 10054)
{
string msg = "服务器" + "停止服务!" + "\n";
MessageBox.Show(msg, "提示");
_socket.Close();
_socket = null;
button2.Enabled = true;
}
else
{
button2.Enabled = true;
MessageBox.Show(se.Message, "提示");
}
}
}
// 等待数据
public void WaitForData()
{
try
{
if (pfnCallBack == null)
{
// 当连接上的客户有写的操作的时候，调用回调函数
pfnCallBack = new AsyncCallback(OnDataReceived);
}
SocketPacket socketPacket = new SocketPacket();
socketPacket.thisSocket = _socket;
result = _socket.BeginReceive(socketPacket.dataBuffer, 0, socketPacket.dataBuffer.Length,
SocketFlags.None, pfnCallBack, socketPacket);
}
catch (SocketException se)
{
MessageBox.Show(se.Message, "提示");
}
}