public TCPHolePunching(ChatterService from,ChatterService to,string guid)
{
this.from = from;
this.to = to;
this.guid = guid;
Socket tcpServer = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPAddress[] arrIPAddresses = Dns.GetHostAddresses(Dns.GetHostName());
foreach (IPAddress ip in arrIPAddresses)
{
if (ip.AddressFamily.Equals(AddressFamily.InterNetwork))
{
ipa = ip;
break;
}
}
tcpServer.Bind(new IPEndPoint(ipa,0));
serverEndPoint= tcpServer.LocalEndPoint as IPEndPoint;
tcpServer.Listen(1);
new Thread(() =>
{
bool isFromBack = false;
bool isToBack = false;
EndPoint fromRemoteEP = null;
EndPoint toRemoteEP = null;
while (true)
{
var client = tcpServer.Accept();
byte[] buffer = new byte[1];
client.Receive(buffer);
var remoteEP = client.RemoteEndPoint as IPEndPoint;
string s=Encoding.UTF8.GetString(buffer);
if (s == "1")
{
if (isFromBack)
continue;
isFromBack = true;
fromRemoteEP = remoteEP;
}
else if (s == "2")
{
if (isToBack)
continue;
isToBack = true;
toRemoteEP = remoteEP;
}
if (isFromBack && isToBack)
{
this.to.callback.SendTCPEndPoint(new MyEndPoint()
{
Address = (fromRemoteEP as IPEndPoint).Address.ToString(),
Port = (fromRemoteEP as IPEndPoint).Port
}, guid);
this.from.callback.SendTCPEndPoint(new MyEndPoint()
{
Address = (toRemoteEP as IPEndPoint).Address.ToString(),
Port = (toRemoteEP as IPEndPoint).Port
}, guid);
MyLogger.Logger.Info("from:" + fromRemoteEP.ToString());
MyLogger.Logger.Info("to:" + toRemoteEP.ToString());
break;
}
}
Console.WriteLine("tcp打洞");
}) { IsBackground=true}.Start();
}
public UDPHolePunching(ChatterService from,ChatterService to)
{
// TODO: Complete member initialization
this.from = from;
this.to = to;
Socket udpserver = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
IPAddress[] arrIPAddresses = Dns.GetHostAddresses(Dns.GetHostName());
foreach (IPAddress ip in arrIPAddresses)
{
if (ip.AddressFamily.Equals(AddressFamily.InterNetwork))
{
ipa = ip;
break;
}
}
udpserver.Bind(new IPEndPoint(ipa, 0));
serverEndPoint = udpserver.LocalEndPoint as IPEndPoint;
EndPoint remoteEP = new IPEndPoint(IPAddress.Any, 0);
new Thread(() =>
{
try
{
byte[] buffer = new byte[1];
bool isFromBack = false;
bool isToBack = false;
EndPoint fromRemoteEP = null;
EndPoint toRemoteEP = null;
while (true)
{
udpserver.ReceiveFrom(buffer, ref remoteEP);
string s = Encoding.UTF8.GetString(buffer);
if (s == "1")
{
if (isFromBack)
continue;
isFromBack = true;
fromRemoteEP = remoteEP;
}
else if (s == "2")
{
if (isToBack)
continue;
isToBack = true;
toRemoteEP = remoteEP;
}
if (isFromBack && isToBack)
{
this.from.callback.SendUDPEndPoint(new MyEndPoint()
{
Address = (toRemoteEP as IPEndPoint).Address.ToString(),
Port = (toRemoteEP as IPEndPoint).Port
}, to.member, true);
this.to.callback.SendUDPEndPoint(new MyEndPoint()
{
Address = (fromRemoteEP as IPEndPoint).Address.ToString(),
Port = (fromRemoteEP as IPEndPoint).Port
}, from.member, false);
break;
}
}
Console.WriteLine("udp打洞");
}
catch (Exception ex)
{
MyLogger.Logger.Error("接收udp包出错", ex);
}
}) { IsBackground=true}.Start();
}