// Envoi un packet
public void SendPacket(PacketOut packet)
{
//Fix the packet size
packet.WritePacketLength();
packet = Crypt(packet);
//Get the packet buffer
byte[] buf = packet.ToArray(); //packet.WritePacketLength sets the Capacity
//Send the buffer
SendTCP(buf);
packet.Dispose();
}
public void SendTCPCuted(PacketOut Out)
{
long PSize = Out.Length - Out.OpcodeLen - PacketOut.SizeLen; // Size = Size-len-opcode
byte[] Packet = new byte[PSize];
Out.Position = Out.OpcodeLen + PacketOut.SizeLen;
Out.Read(Packet, 0, (int)(PSize));
List<byte> Header = new List<byte>(5);
int itemcount = 1;
while (PSize > 0x7f)
{
Header.Add((byte)((byte)(PSize) | 0x80));
PSize >>= 7;
itemcount++;
if (itemcount >= Header.Capacity + 10)
Header.Capacity += 10;
}
Header.Add((byte)(PSize));
Header.Add((byte)(Out.Opcode));
Log.Tcp("Header", Header.ToArray(), 0, Header.Count);
Log.Tcp("Packet", Packet, 0, Packet.Length);
Log.Dump("Header", Header.ToArray(), 0, Header.Count);
Log.Dump("Packet", Packet, 0, Packet.Length);
SendTCP(Header.ToArray());
SendTCP(Packet);
Out.Dispose();
}
public PacketOut Crypt(PacketOut packet)
{
if (m_crypts.Count <= 0)
{
return(packet);
}
byte[] Packet = packet.ToArray();
Log.Tcp("SendTCP", Packet, 0, (int)Packet.Length);
int Hpos = 0;
Hpos += PacketOut.SizeLen;
if (PacketOut.OpcodeInLen)
{
Hpos += packet.OpcodeLen;
}
byte[] Header = new byte[Hpos];
byte[] ToCrypt = new byte[(packet.Length - Hpos)];
int i;
for (i = 0; i < Hpos; ++i)
{
Header[i] = Packet[i];
}
for (i = Hpos; i < Packet.Length; ++i)
{
ToCrypt[i - Hpos] = Packet[i];
}
try
{
foreach (KeyValuePair <ICryptHandler, CryptKey[]> Entry in m_crypts)
{
ToCrypt = Entry.Key.Crypt(Entry.Value[0], ToCrypt);
}
}
catch (Exception e)
{
Log.Error("BaseClient", "Crypt Error : " + e.ToString());
return(packet);
}
PacketOut Out = new PacketOut((byte)0);
Out.Opcode = packet.Opcode;
Out.OpcodeLen = packet.OpcodeLen;
Out.Position = 0;
Out.SetLength(0);
byte[] Total = new byte[Header.Length + ToCrypt.Length];
for (i = 0; i < Total.Length; ++i)
{
if (i < Header.Length)
{
Total[i] = Header[i];
}
else
{
Total[i] = ToCrypt[i - Header.Length];
}
}
Out.Write(Total, 0, Total.Length);
packet.Dispose();
return(Out);
}