public int Send(byte[] buffer, int size, SocketFlags flags)
{
int bytesToSend = 0;
int obfsSendSize;
byte[] obfsBuffer;
lock (_encryptionLock)
{
int outlength;
//if (!header_sent)
//{
// header_sent = true;
// if (buffer[0] == 3 && _method == "none")
// {
// for (int i = 0; i < buffer[1]; ++i)
// {
// buffer[i + 2] |= 0x80;
// }
// buffer[0] = 2;
// }
//}
byte[] bytesToEncrypt = _protocol.ClientPreEncrypt(buffer, size, out outlength);
if (bytesToEncrypt == null)
{
return(0);
}
Util.Utils.SetArrayMinSize(ref SendEncryptBuffer, outlength + 32);
_encryptor.Encrypt(bytesToEncrypt, outlength, SendEncryptBuffer, out bytesToSend);
obfsBuffer = _obfs.ClientEncode(SendEncryptBuffer, bytesToSend, out obfsSendSize);
}
return(SendAll(obfsBuffer, obfsSendSize, 0));
}
public override byte[] ClientEncode(byte[] encryptdata, int datalength, out int outlength)
{
if (subObfs != null)
{
return(subObfs.ClientEncode(encryptdata, datalength, out outlength));
}
outlength = datalength;
return(encryptdata);
}
public int BeginSend(byte[] buffer, int size, SocketFlags flags, AsyncCallback callback, object state)
{
CallbackState st = new CallbackState();
st.size = size;
st.state = state;
int bytesToSend = 0;
int obfsSendSize;
byte[] obfsBuffer;
lock (_encryptionLock)
{
int outlength;
byte[] bytesToEncrypt = _protocol.ClientPreEncrypt(buffer, size, out outlength);
_encryptor.Encrypt(bytesToEncrypt, outlength, SendEncryptBuffer, out bytesToSend);
obfsBuffer = _obfs.ClientEncode(SendEncryptBuffer, bytesToSend, out obfsSendSize);
_socket.BeginSend(obfsBuffer, 0, obfsSendSize, 0, callback, st);
}
return(obfsSendSize);
}