void ProcessCapturedPacket(PacketDotNet.Packet packet)
{
if (!(packet is PacketDotNet.EthernetPacket)) return;
var eth = (PacketDotNet.EthernetPacket)packet;
byte[] bytes = eth.Bytes;
if (!Utility.IsPspPacket(bytes, Utility.HEADER_OFFSET))
{
// PSPのパケットではないのでスルー
return;
}
string src = eth.SourceHwAddress.ToString();
string dest = eth.DestinationHwAddress.ToString();
// サーバーから送られてきた他プレイヤーのPSPパケットか判別
if (RemoteMacAddresses.ContainsKey(src))
{
//string log = String.Format("PSP Packet: サーバーから自PSPへ転送するパケットなのでスルーします: {0} -> {1}", src, desc);
//AppendToLogTextBox(log, Color.DeepPink);
return;
}
bool packetToRemotePSP = true;
TraficStatistics myStats;
lock (MyMacAddresses)
{
if (MyMacAddresses.ContainsKey(src))
{
myStats = MyMacAddresses[src];
}
else
{
myStats = new TraficStatistics();
MyMacAddresses[src] = myStats;
}
// 手元に送信先MACアドレスのPSPがあるか判別
if (MyMacAddresses.ContainsKey(dest))
{
packetToRemotePSP = false;
// not need tunneling
//string log = String.Format("PSP Packet: Local trafic from {0} -> {1}", src, desc);
//AppendToLogTextBox(log, Color.Purple);
}
}
if (packetToRemotePSP && TunnelIsLinked)
{
TraficStatistics remoteStats;
lock (RemoteMacAddresses)
{
if (RemoteMacAddresses.ContainsKey(dest))
{
remoteStats = RemoteMacAddresses[dest];
}
else
{
remoteStats = new TraficStatistics();
RemoteMacAddresses[dest] = remoteStats;
}
}
//string log = String.Format("PSP Packet: {0} -> {1} Size: {2}", src, desc, bytes.Length);
if (CurrentOperationMode == OperationMode.PlayRoomMaster || CurrentOperationMode == OperationMode.PlayRoomParticipant)
{
myStats.lastModified = System.DateTime.Now.Ticks;
myStats.currentOutBytes += bytes.Length;
myStats.totalOutBytes += bytes.Length;
remoteStats.lastModified = System.DateTime.Now.Ticks;
remoteStats.currentOutBytes += bytes.Length;
remoteStats.totalOutBytes += bytes.Length;
if (Utility.HEADER_OFFSET == 0)
{
//AppendToLogTextBox(System.DateTime.Now.Ticks.ToString(), Color.Black);
ArenaTunnelClient.Send(bytes.ToArray());
}
//else
//{
// //long timestamp = Environment.TickCount;
// long timestamp = System.DateTime.Now.Ticks;
// AppendToLogTextBox(timestamp.ToString());
// byte[] ticks = BitConverter.GetBytes(timestamp);
// ArenaTunnelClient.Send(ticks.Concat(bytes).ToArray());
//}
}
}
}
public void ReadCallback(PacketData data)
{
byte[] packet = data.RawBytes;
if (Utility.IsPspPacket(packet, Utility.HEADER_OFFSET))
{
byte[] buff = new byte[6];
Array.Copy(packet, Utility.HEADER_OFFSET, buff, 0, 6);
string dest = new PhysicalAddress(buff).ToString();
Array.Copy(packet, Utility.HEADER_OFFSET + 6, buff, 0, 6);
string src = new PhysicalAddress(buff).ToString();
TraficStatistics remoteStats;
// 再度パケットキャプチャされた時にサーバーへ再送しないために記録
lock (Form.RemoteMacAddresses)
{
//long ticks = Utility.HEADER_OFFSET == 0 ? System.DateTime.Now.Ticks : BitConverter.ToInt64(packet, 0);
if (Form.RemoteMacAddresses.ContainsKey(src))
{
remoteStats = Form.RemoteMacAddresses[src];
//if (lastTicks > ticks) // 古いパケットはスルー
// return;
}
else
{
remoteStats = new TraficStatistics();
Form.RemoteMacAddresses[src] = remoteStats;
}
}
//PhysicalAddress destMac = new PhysicalAddress(packet.Skip(Utility.HEADER_OFFSET).Take(6).ToArray());
//string log = String.Format("Packet To My PSP: {0} -> {1} Size={2}", src, destMac, packet.Length);
//Form.AppendToLogTextBox(log, Color.Black);
if (Form.CurrentPcapDevice != null && Form.PacketCapturing)// Form.CurrentPcapDevice.Started)
{
remoteStats.lastModified = System.DateTime.Now.Ticks;
remoteStats.currentInBytes += packet.Length;
remoteStats.totalInBytes += packet.Length;
TraficStatistics myStats = null;
lock (Form.MyMacAddresses)
if (Form.MyMacAddresses.ContainsKey(dest))
{
myStats = Form.MyMacAddresses[dest];
//dest = MAC_BROADCAST_ADDRESS;
//packet[0] = 0xFF;
//packet[1] = 0xFF;
//packet[2] = 0xFF;
//packet[3] = 0xFF;
//packet[4] = 0xFF;
//packet[5] = 0xFF;
}
else if (dest != MAC_BROADCAST_ADDRESS)
{
myStats = new TraficStatistics();
Form.MyMacAddresses[dest] = myStats;
}
if (myStats == null) // dest == 'FFFFFFFFFFFF"
{
lock (Form.RemoteMacAddresses)
{
if (Form.RemoteMacAddresses.ContainsKey(dest))
{
myStats = Form.RemoteMacAddresses[dest];
}
else
{
myStats = new TraficStatistics();
Form.RemoteMacAddresses[dest] = myStats;
}
}
}
myStats.lastModified = System.DateTime.Now.Ticks;
myStats.currentInBytes += packet.Length;
myStats.totalInBytes += packet.Length;
if (Utility.HEADER_OFFSET == 0)
Form.CurrentPcapDevice.SendPacket(packet);
else
Form.CurrentPcapDevice.SendPacket(packet.Skip(Utility.HEADER_OFFSET).ToArray());
}
}
else
{
string routerTunnelPort = data.Messages[0];
//Form.AppendToLogTextBox("UDP : Informed my tunnel port " + routerTunnelPort, Color.Black);
int port;
if (Int32.TryParse(routerTunnelPort, out port))
{
Form.ArenaSessionClient.Send(Protocol1Constants.COMMAND_INFORM_TUNNEL_UDP_PORT + " " + port);
}
}
}
