public static void KeepAliveResponse(QRServer server, EndPoint endPoint, byte[] buffer)
{
byte[] sendingBuffer = new byte[7];
sendingBuffer[0] = QR.QRMagic1;
sendingBuffer[1] = QR.QRMagic2;
sendingBuffer[2] = QRClient.KeepAlive;
//According to SDK we know the instant key is from packet.BytesRecieved[1] to packet.BytesRecieved[4]
//So we add it to response
Array.Copy(buffer, 1, sendingBuffer, 3, 4);
server.Send(endPoint, sendingBuffer);
//We should keep the dedicated server in our server list
//TODO
LogWriter.Log.Write("[QR] Not finish function for KeepAlivePacket!", LogLevel.Debug);
}
/// <summary>
/// Client or server information come in
/// </summary>
/// <param name="server"></param>
/// <param name="packet"></param>
public static void HeartbeatResponse(QRServer server, UDPPacket packet)
{
IPEndPoint remote = (IPEndPoint)packet.AsyncEventArgs.RemoteEndPoint;
byte[] recvKeys = new byte[4];
//we copy 4 bytes information prepare for reply
Array.Copy(packet.BytesRecieved, 1, recvKeys, 0, 4);
byte[] restData = packet.BytesRecieved.Skip(5).ToArray();
string recvData = Encoding.UTF8.GetString(restData);
string[] dataFrag;
string serverData, playerData, teamData;
if (IsServerDataValid(recvData, out dataFrag))
{
serverData = dataFrag[0];
playerData = dataFrag[1];
teamData = dataFrag[2];
}
else
{
//we revieved a wrong data, we have to send challege to game server
byte[] sendingBuffer = GenerateChallenge(recvKeys);
server.Send(packet, sendingBuffer);
server.Replied = true;
LogWriter.Log.Write(LogLevel.Debug, "[QR] [HeartBeat] Invalid Server Data Received From {0}:{1}-{2}", remote.Address, remote.Port, dataFrag[0]);
return;
}
// We only care about the server data
string[] serverDataFrag = serverData.Split(new string[] { "\x00" }, StringSplitOptions.None);
LogWriter.Log.Write(LogLevel.Debug, "[QR] [HeartBeat] Data received From {0}:{1}", remote.Address, remote.Port);
LogWriter.Log.Write(LogLevel.Debug, "[QR] [HeartBeat] server info:{0} \t player info:{1} \t team info:{2}", serverData, playerData, teamData);
GameServer gameServer = new GameServer(remote);
// set the country based off ip address if its IPv4
//we set the server variables
SetServerVariables(gameServer, serverDataFrag, remote);
LogWriter.Log.Write("[QR] No impliment function for Heartbeatpacket!", LogLevel.Debug);
//TODO
}
public static void ServerChallengeResponse(QRServer server, UDPPacket packet)
{
byte[] challenge = new byte[90];
byte[] instancekey = new byte[4];
Array.Copy(packet.BytesRecieved, 1, instancekey, 0, 4);
byte[] sendingbuffer = new byte[7];
sendingbuffer[0] = QR.QRMagic1;
sendingbuffer[1] = QR.QRMagic2;
sendingbuffer[2] = QRGameServer.ClientRegistered;
Array.Copy(instancekey, 0, sendingbuffer, 3, 4);
server.Send(packet, sendingbuffer);
LogWriter.Log.Write("[QR] No impliment function for ServerChallengeResponse!", LogLevel.Debug);
}
public static void BackendAvaliabilityResponse(QRServer server, UDPPacket packet)
{
if (!IsClientRequestValid(packet.BytesRecieved))
{
// ???
return;
}
//string gameName = GetGameName(packet.BytesRecieved);
byte[] dataToSend = new byte[7];
AvailableReply.CopyTo(dataToSend, 0);
// NOTE: Change this if you want to make the server not avaliable.
dataToSend[6] = (byte)ServerAvaliability.Avaliable;
//packet.SetBufferContents(dataToSend);
server.Send(packet, dataToSend);
}