private byte[] getBytes(RunnerLoginPacket str)
{
int size = Marshal.SizeOf(str);
byte[] arr = new byte[size];
IntPtr ptr = Marshal.AllocHGlobal(size);
Marshal.StructureToPtr(str, ptr, true);
Marshal.Copy(ptr, arr, 0, size);
Marshal.FreeHGlobal(ptr);
return(arr);
}
public RunnerConnErr Connect(string _host, int _port, BackgroundWorker worker = null)
{
Sender = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
worker?.ReportProgress(0, "Setting up socket...");
CommData = new byte[1048576];
Sender.ReceiveTimeout = -1;
Sender.SendTimeout = 1000;
Sender.Connect(_host, _port);
worker?.ReportProgress(0, "Connecting...");
int len = Sender.Receive(CommData);
string hello = Encoding.ASCII.GetString(CommData, 0, len - 1);
worker?.ReportProgress(0, "Recieved hello!");
if (hello != "GM:Studio-Connect")
{
Sender.Disconnect(false);
Sender.Shutdown(SocketShutdown.Both);
Sender.Close();
State = RunnerSocketState.Error;
return(RunnerConnErr.LoginError);
}
worker?.ReportProgress(0, "Logging in...");
var loginPacket = new RunnerLoginPacket();
loginPacket.SIG1 = RunnerLoginPacket.NETWORK_SIG1;
loginPacket.SIG2 = RunnerLoginPacket.NETWORK_SIG2;
loginPacket.Size = Marshal.SizeOf(loginPacket);
loginPacket.GameID = RunnerLoginPacket.NETWORK_GAMEID;
byte[] data = getBytes(loginPacket);
Sender.Send(data, 0, loginPacket.Size, SocketFlags.None);
worker?.ReportProgress(0, "Sent login packet");
len = Sender.Receive(CommData);
State = RunnerSocketState.Connected;
worker?.ReportProgress(0, "Sending GetGameData packet.");
if (!SendCommand((int)RunnerCommand.GetGameData))
{
throw new Exception("Could not send GetGameData command!");
}
HeaderData = new byte[1048576];
HeaderStream = new MemoryStream(HeaderData);
HeaderReader = new BinaryReader(HeaderStream);
len = Recieve();
if (len > 0)
{
worker?.ReportProgress(0, "Loading game layout...");
byte[] glDat = new byte[len];
for (var i = 0; i < len; i++)
{
glDat[i] = HeaderData[i];
}
GLData = new GameLayout();
GLData.GameYYDebug = YYDbg;
if (!GLData.Load(glDat))
{
worker?.ReportProgress(0, "Failed to parse game layout");
State = RunnerSocketState.Error;
if (Sender.Connected)
{
Sender.Disconnect(false);
}
return(RunnerConnErr.InvalidGameStructure);
}
worker?.ReportProgress(0, "Game layout parsed ok.");
}
}
catch (ArgumentNullException e)
{
worker?.ReportProgress(0, $"Argument is null! {e.Message}");
State = RunnerSocketState.Error;
if (Sender.Connected)
{
Sender.Disconnect(false);
}
return(RunnerConnErr.NullArgument);
}
catch (SocketException e)
{
worker?.ReportProgress(0, $"Socket exception! {e.Message}");
State = RunnerSocketState.Error;
if (Sender.Connected)
{
Sender.Disconnect(false);
}
return(RunnerConnErr.SocketError);
}
catch (Exception e)
{
worker?.ReportProgress(0, $"General exception! {e.Message}");
State = RunnerSocketState.Error;
if (Sender.Connected)
{
Sender.Disconnect(false);
}
return(RunnerConnErr.GeneralException);
}
worker?.ReportProgress(0, "Done!");
for (int i = 0; i < HeaderData.Length; i++)
{
HeaderData[i] = 0;
}
HeaderStream.Seek(0, SeekOrigin.Begin);
return(RunnerConnErr.None);
}
