.NET TCP 服务器断开连接
本文关键字:连接 断开 服务器 TCP NET | 更新日期: 2023-09-27 17:59:50
不久前,我编写了一个小应用程序来实现TCP服务器,但作为C# .NET的新手,我只是遵循了一个教程。它的授权部分工作正常,但由于严格按照教程进行操作,在进行授权后,它会断开与 tcpClient.Close(( 的连接;
我应该如何调整此代码以继续侦听更多数据包?我认为大多数服务器在 X 分钟后断开连接,但我仍然对这类事情很陌生。
// Starts the TCP RCON Server
public void StartServer()
{
Console.WriteLine("RCON Server starting on Port: {0}", serverPort);
this.tcpListener = new TcpListener(IPAddress.Any, serverPort);
this.listenThread = new Thread(new ThreadStart(ListenForClients));
this.listenThread.Start();
Console.WriteLine("RCON Server has been Started.");
}
// Listen for Client Connections
private void ListenForClients()
{
this.tcpListener.Start();
while (true)
{
// blocks until a client has connected to the server
TcpClient client = this.tcpListener.AcceptTcpClient();
// Create a thread for client communication
Thread clientThread = new Thread(new ParameterizedThreadStart(ReadClientPacket));
clientThread.Start(client);
}
}
private void ReadClientPacket(object client)
{
TcpClient tcpClient = (TcpClient)client;
NetworkStream clientStream = tcpClient.GetStream();
bool terminate = false;
while (!terminate)
{
try
{
int packetsize;
// Create a new Packet Object and fill out the data from the incoming TCP Packets
RCONPacket packet = new RCONPacket();
using (BinaryReader reader = new BinaryReader(clientStream))
{
// First Int32 is Packet Size
packetsize = reader.ReadInt32();
packet.RequestId = reader.ReadInt32();
packet.RconDataReceived = (RCONPacket.RCONDATA_rec)reader.ReadInt32();
Console.WriteLine("Packet Size: {0} RequestID: {1} ServerData: {2}", packetsize, packet.RequestId, packet.RconDataReceived);
// Read first and second String in the Packet (UTF8 Null Terminated)
packet.String1 = ReadBytesString(reader);
packet.String2 = ReadBytesString(reader);
Console.WriteLine("String1: {0} String2: {1}", packet.String1, packet.String2);
switch (packet.RconDataReceived)
{
case RCONPacket.RCONDATA_rec.SERVERDATA_AUTH:
{
if (packet.String1 == "testpass")
{
Console.WriteLine("Password is Valid");
ReplyAuthRequest(packet.RequestId, tcpClient, packet.String1); // Junk Packet
ReplyAuthRequest(packet.RequestId, tcpClient, packet.String1);
}
else
{
Console.WriteLine("Password is Invalid");
ReplyAuthRequest(BAD_PASSWORD, tcpClient, packet.String1); // Junk Packet
ReplyAuthRequest(BAD_PASSWORD, tcpClient, packet.String1);
terminate = true;
}
break;
}
case RCONPacket.RCONDATA_rec.SERVERDATA_EXECCOMMAND:
{
Console.WriteLine("RCON Command Packet Received");
ReplyExecCommand(packet.RequestId, tcpClient);
break;
}
default:
{
break;
}
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
terminate = true;
}
}
tcpClient.Close();
}
如果你注意到了,你有很多break
语句。我不清楚程序的整个设计,但是如果您删除它们,然后在while循环中添加对boolean
值的检查,例如while(!terminated) { .. }
,这将确保每当应用程序告诉程序结束或停止侦听时,循环也将终止,因为您将terminated
设置为true
。你所说的while(true)
是永远持续下去,直到break
发生,然后它随后脱离了 while 循环并调用 .Close()
。