public static int onConnected(IntPtr handle, ref FSP_SocketParameter context)
{
Console.WriteLine("Connected, handle = {0:X}", handle);
if (handle == (IntPtr)0)
{
Console.WriteLine("Connection failed.");
return(-1);
}
if (context.len <= 0)
{
goto l_nokey;
}
// well, how to marshal a complicate, mixed string and byte array?
byte[] original = new byte[1024];
Marshal.Copy(context.welcome, original, 0, context.len);
// we knew there must be a welcome message.
int mLen = Array.IndexOf <byte>(original, 0);
if (mLen++ <= 0)
{
goto l_nokey;
}
// Now mLen is the number of bytes occupied by the message, including the termination '\0'
Console.WriteLine("--- Welcome message from remote peer --- ");
Console.WriteLine(">>>");
Console.WriteLine(Encoding.UTF8.GetString(original, 0, mLen));
//TODO! .GetEncoding("GBK")? ASCII!?
Console.WriteLine("<<<");
if (mLen >= context.len)
{
goto l_nokey;
}
Array.Copy(original, mLen, bufPeersKey, 0, FSPAPI.CRYPTO_NACL_KEYBYTES);
FSPAPI.InstallAuthenticKey(handle, bufSharedKey, FSPAPI.CRYPTO_NACL_KEYBYTES, Int32.MaxValue, FlagEndOfMessage.NOT_END_ANYWAY);
FSPAPI.FSPControl(handle
, FSP_ControlCode.FSP_SET_CALLBACK_ON_ERROR
, Marshal.GetFunctionPointerForDelegate(new NotifyOrReturn(onError2)));
FSPAPI.WriteTo(handle, bufPublicKey, FSPAPI.CRYPTO_NACL_KEYBYTES
, FlagEndOfMessage.END_OF_MESSAGE
, new NotifyOrReturn(onPublicKeySent));
return(0);
l_nokey:
Console.Write("To read the filename directly...\t");
if (FSPAPI.ReadFrom(handle, fileName, fileName.Length, new NotifyOrReturn(onReceiveFileNameReturn)) < 0)
{
finished = true;
return(-1); // to dispose/reject the connection
}
return(0);
}
static void Main(string[] args)
{
FSP_SocketParameter context = new FSP_SocketParameter();
context.onError = new NotifyOrReturn(onNotified);
context.afterAccept = new CallbackConnected(onConnected);
FSPAPI.Connect2(REMOTE_APPLAYER_NAME, ref context);
Console.Write("Press return or any other key to exit...");
while (!finished && !Console.KeyAvailable)
{
System.Threading.Thread.Sleep(0);
}
}
public static extern IntPtr Connect2(string peerURI, ref FSP_SocketParameter context);
public static extern IntPtr ConnectMU(IntPtr handle, ref FSP_SocketParameter context);
public static extern IntPtr ListenAt(ref FSP_IN6_ADDR bindPoint, ref FSP_SocketParameter context);
