private ByteArray HandlePacketData(ByteArray data)
{
//Discarded unreachable code: IL_01f8
int num = pendingPacket.Header.ExpectedLength - pendingPacket.Buffer.Length;
bool flag = data.Length > num;
ByteArray result = new ByteArray(data.Bytes);
try
{
log.Debug("Handling Data: " + data.Length + ", previous state: " + pendingPacket.Buffer.Length + "/" + pendingPacket.Header.ExpectedLength);
if (data.Length >= num)
{
pendingPacket.Buffer.WriteBytes(data.Bytes, 0, num);
log.Debug("<<< Packet Complete >>>");
if (pendingPacket.Header.Encrypted)
{
packetEncrypter.Decrypt(pendingPacket.Buffer);
}
if (pendingPacket.Header.Compressed)
{
pendingPacket.Buffer.Uncompress();
}
protocolCodec.OnPacketRead(pendingPacket.Buffer);
fsm.ApplyTransition(PacketReadTransition.PacketFinished);
}
else
{
pendingPacket.Buffer.WriteBytes(data.Bytes);
}
if (flag)
{
data = ResizeByteArray(data, num, data.Length - num);
return(data);
}
data = EMPTY_BUFFER;
return(data);
}
catch (Exception ex)
{
log.Error("Error handling data: " + ex.Message + " " + ex.StackTrace);
skipBytes = num;
fsm.ApplyTransition(PacketReadTransition.InvalidData);
return(result);
}
}
private void OnUDPData(byte[] bt)
{
//Discarded unreachable code: IL_014c
ByteArray byteArray = new ByteArray(bt);
if (byteArray.BytesAvailable < 4)
{
log.Warn("Too small UDP packet. Len: " + byteArray.Length);
return;
}
if (sfs.Debug)
{
log.Info("UDP Data Read: " + DefaultObjectDumpFormatter.HexDump(byteArray));
}
byte b = byteArray.ReadByte();
bool flag = (b & 0x20) > 0;
bool flag2 = (b & 0x40) > 0;
short num = byteArray.ReadShort();
if (num != byteArray.BytesAvailable)
{
log.Warn("Insufficient UDP data. Expected: " + num + ", got: " + byteArray.BytesAvailable);
return;
}
byte[] buf = byteArray.ReadBytes(byteArray.BytesAvailable);
ByteArray byteArray2 = new ByteArray(buf);
if (flag2)
{
try
{
packetEncrypter.Decrypt(byteArray2);
}
catch (Exception ex)
{
log.Warn("UDP data decryption failed due to error: " + ex.Message + " " + ex.StackTrace);
return;
}
}
if (flag)
{
byteArray2.Uncompress();
}
ISFSObject iSFSObject = SFSObject.NewFromBinaryData(byteArray2);
if (iSFSObject.ContainsKey("h"))
{
if (!initSuccess)
{
StopTimer();
locked = false;
initSuccess = true;
Hashtable hashtable = new Hashtable();
hashtable["success"] = true;
sfs.DispatchEvent(new SFSEvent(SFSEvent.UDP_INIT, hashtable));
}
}
else
{
sfs.GetSocketEngine().IoHandler.Codec.OnPacketRead(iSFSObject);
}
}
