/// <summary>
/// 开启tcp服务端
/// </summary>
/// <returns>成功：true;失败：false</returns>
public bool StartServer()
{
if (m_bRunning)
{
m_strLastErrorMsg = "The service is already running!";
return(false);
}
//各事件初始化
m_recvExitEvent = new ManualResetEvent(true);
//启动监听
try
{
m_tcpListener = new TcpListener(IPAddress.Any, m_nPort);
CommunicationCommon.SetKeepAlive(m_tcpListener.Server, 10000, 5000);
m_tcpListener.Start();
}
catch (System.Exception ex)
{
m_strLastErrorMsg = ex.Message;
return(false);
}
m_bRunning = true;
try
{
m_listenThread = new Thread(() => this.ListenProc());
m_listenThread.IsBackground = true;
m_listenThread.Start();
}
catch (System.Exception ex)
{
m_bRunning = false;
m_strLastErrorMsg = ex.Message;
return(false);
}
return(true);
}
/// <summary>
/// 接收数据线程函数
/// </summary>
private void RecvProc(object param)
{
m_recvExitEvent.Reset();
TcpClient tcpClient = param as TcpClient;
if (OnClientChanged != null)
{
OnClientChanged((tcpClient.Client.RemoteEndPoint as IPEndPoint).Address.ToString(), true, m_recvClientsInfo.Count);
}
NetworkStream netStream = tcpClient.GetStream();
byte[] buffer = new byte[4];//
while (m_bRunning)
{
//提取包长
int dataLen = 0;
if (CommunicationCommon.ReadAllData(netStream, buffer, 4))
{
dataLen = BitConverter.ToInt32(buffer, 0);
if (dataLen < 0)
{
break;//非法数据，关闭客户端
}
}
else
{
break;
}
if (dataLen > 0)
{
buffer = new byte[dataLen];
if (CommunicationCommon.ReadAllData(netStream, buffer, dataLen))
{
//if (OnReceiveData != null)
//{
// OnReceiveData((IPEndPoint)tcpClient.Client.RemoteEndPoint, buffer);
//}
}
else
{
break;
}
}
}
netStream.Close();
tcpClient.Close();
Monitor.Enter(m_recvClientsInfo);
string strIP = "";
ClientInfo info = null;
if (m_recvClientsInfo.TryGetValue(tcpClient, out info))
{
strIP = info.IpAddress;
}
m_recvClientsInfo.Remove(tcpClient);
if (OnClientChanged != null)
{
OnClientChanged(strIP, false, m_recvClientsInfo.Count);
}
if (m_recvClientsInfo.Count == 0)
{
m_recvExitEvent.Set();
}
Monitor.Exit(m_recvClientsInfo);
}
