public static void HandleOutgoing(byte[] data)
{
var packet = new PacketUDP(new MemoryStream(data));
var ip = new IPAddress(packet.ADDR);
var port = BitConverter.ToUInt16(packet.PORT, 0);
// THIS IS WHERE ALL THE MAGIC HAPPENS, BABY
// Loopback detection: If we're making a request to our external IP, route it!
// Note that we're rerouting regardless
if (ip.Equals(ExternalIP) && TargetPorts.Contains(port))
ip = (IPAddress)UDProxy.gConfiguration.Config["TargetIP"];
IPEndPoint destination = new IPEndPoint(ip, port);
TotalUp += MyUDP.Send(packet.DATA, packet.DATA.Length, destination);
}
public static void HandleIncoming(byte[] data, IPEndPoint sender)
{
// THIS IS WHERE ALL THE MAGIC UNHAPPENS, BABY
// Loopback detection: If we're receiving from a server we're routing to,
// make it look like it's coming from our external IP.
if (sender.Address.Equals(TargetIP) && TargetPorts.Contains((ushort)sender.Port))
sender.Address = ExternalIP;
var packet = new PacketUDP(
SOCKS5Protocol.ATYP.IPV4,
sender.Address,
(ushort)sender.Port,
data
);
var packetBytes = packet.GetBytes();
TotalDown += MyUDP.Send(packetBytes, packetBytes.Length, MyClient);
}
public static void HandleOutgoing(byte[] data)
{
var packet = new PacketUDP(new MemoryStream(data));
var ip = new IPAddress(packet.ADDR);
var port = BitConverter.ToUInt16(packet.PORT, 0);
// THIS IS WHERE ALL THE MAGIC HAPPENS, BABY
// Loopback detection: If we're making a request to our external IP, route it!
// Note that we're rerouting regardless
if (ip.Equals(ExternalIP) && TargetPorts.Contains(port))
{
ip = (IPAddress)UDProxy.gConfiguration.Config["TargetIP"];
}
IPEndPoint destination = new IPEndPoint(ip, port);
TotalUp += MyUDP.Send(packet.DATA, packet.DATA.Length, destination);
}
public static void HandleIncoming(byte[] data, IPEndPoint sender)
{
// THIS IS WHERE ALL THE MAGIC UNHAPPENS, BABY
// Loopback detection: If we're receiving from a server we're routing to,
// make it look like it's coming from our external IP.
if (sender.Address.Equals(TargetIP) && TargetPorts.Contains((ushort)sender.Port))
{
sender.Address = ExternalIP;
}
var packet = new PacketUDP(
SOCKS5Protocol.ATYP.IPV4,
sender.Address,
(ushort)sender.Port,
data
);
var packetBytes = packet.GetBytes();
TotalDown += MyUDP.Send(packetBytes, packetBytes.Length, MyClient);
}
public PeerDataMessage(PacketUDP pk, Hashtable hd, bool ir)
{
this.packet = pk;
this.hData = hd;
this.isResponse = ir;
}
//--------------------------------------- Private Method
private static void _OnPacketUdpAttrival(PacketUDP packet)
{
if (P2P.IsTerminate)
{
return;
}
that.DebugAndLog("PacketUDP Arrvial from: " + packet.IpAddress + ":" + packet.Port.ToString());
/* PreCheck if packet is JsonRPC or NOT? */
Hashtable hData = null;
bool isResponse = false;
try
{
JsonSerializerSettings jsetting = new JsonSerializerSettings();
jsetting.MaxDepth = 1;
hData = JsonConvert.DeserializeObject <Hashtable>(
Encoding.Default.GetString(packet.DataByteArray),
jsetting);
// Check Protocol Version
if (!hData.Contains(KW.JsonRpc))
{
return;
}
if (!hData[KW.JsonRpc].ToString().Trim().Equals(KW.RpcVersion20))
{
return;
}
// Check ID
if (!hData.Contains(KW.ID))
{
return;
}
int id = int.Parse((string)hData[KW.ID]); if (id < 0)
{
return;
}
// Check Param or Result
if (!hData.Contains(KW.Method))
{
if (!hData.Contains(KW.Result))
{
return;
}
else
{
isResponse = true;
} // Response Must have Result
}
else
if (!hData.Contains(KW.Params))
{
return;
}
else
{
isResponse = false;
} // Method Must have Param
}
catch (Exception ex) {
that.DebugAndLog("Cannot decode packet to HashingTable");
that.DebugAndLog(ex.Message);
return;
}
// Evertything OK, Can Push This Data/Packet to process
that.DebugAndLog("Push PeerDataMessage to ProcessQueue");
lock (queDataMessage.SyncRoot)
{
queDataMessage.Enqueue(new PeerDataMessage(packet, hData, isResponse));
trickDataMessage.Set();
}
}
