private void OnInitPacketRecv(IAsyncResult ar)
{
if (!Connected)
{
return;
}
var data = (byte[])ar.AsyncState;
var len = Socket.EndReceive(ar);
if (len < 15)
{
OnClientDisconnected?.Invoke(this);
Connected = false;
return;
}
PacketReader reader = new PacketReader(data);
reader.ReadShort();
reader.ReadShort();
reader.ReadMapleString();
SIV = new MapleCrypto(reader.ReadBytes(4), 227); // kms
RIV = new MapleCrypto(reader.ReadBytes(4), 227); // kms
// byte serverType = reader.ReadByte();
if (Type == SessionType.CLIENT_TO_SERVER)
{
OnInitPacketReceived(227, 1);
}
WaitForData();
}
private void EndReceive(IAsyncResult ar)
{
if (!Connected)
{
return;
}
var recvLen = 0;
try
{
recvLen = Socket.EndReceive(ar);
}
catch
{
ForceDisconnect();
return;
}
if (recvLen <= 0)
{
ForceDisconnect();
return;
}
Append(_mSharedBuffer, 0, recvLen);
while (true)
{
if (_mCursor < 4)
{
break;
}
var packetSize = MapleCrypto.getPacketLength(_mBuffer, 0);
if (_mCursor < packetSize + 4)
{
break;
}
var packetBuffer = new byte[packetSize];
Buffer.BlockCopy(_mBuffer, 4, packetBuffer, 0, packetSize);
RIV.Transform(packetBuffer);
_mCursor -= (packetSize + 4);
if (_mCursor > 0)
{
Buffer.BlockCopy(_mBuffer, packetSize + 4, _mBuffer, 0, _mCursor);
}
if (OnPacketReceived != null)
{
if (!Connected)
{
return;
}
OnPacketReceived(packetBuffer);
}
}
BeginReceive();
}