public void PacketReceived(IAsyncResult result) { mysocket.EndReceive(result); StateObject newstate = (StateObject)result.AsyncState; ArrayList incomingpackets = new ArrayList(); incomingpackets.AddRange(newstate.buffer); byte[] outbuffer; // store incoming packet in an arraylist // decompress it etc, then xfer to byte[] and remove from list // repeat while (incomingpackets.Count > 0) { if (bDecompress) { HuffmanDecompression huff = new HuffmanDecompression(); outbuffer = new byte[incomingpackets.Count]; huffmanobject myhuf = new huffmanobject(); myhuf.buffer = (byte[])incomingpackets.ToArray(typeof(byte)); myhuf.src_size = incomingpackets.Count; myhuf.out_size = 0; //myhuf.output = BinaryNode.Decompress(myhuf.buffer); myhuf = BinaryNode.drkDecompress(myhuf); outbuffer = myhuf.output; //myhuf.out_size = outbuffer.Length; if (outbuffer.Length < 1) { incomingpackets.Clear(); break; } if (myhuf.buffer.Length > outbuffer.Length) { if (bDebug) { display("consuming: " + myhuf.out_size + " bytes"); } for (int x = 0; x < (myhuf.out_size + 1); x++) { incomingpackets.RemoveAt(0); } // removes it from queue }else { incomingpackets.Clear(); } } else { // Wipe the buffer as pre decompression packets dont stack up. outbuffer = newstate.buffer; incomingpackets.Clear(); } if (bTwofishcrypt) { Twofish.serverDecrypt(ref outbuffer, outbuffer.Length); display("Decrypting incoming"); } handlePackets(outbuffer); } }
public void run() { // output needs to be the size of the data, remove excess 00 00? //byte[] buffer = new byte[2000]; // create a large buffer, should be able to hold all traffic ArrayList <Byte> aBuffer = new ArrayList <Byte>(); ArrayList <Byte> aOutput = new ArrayList <Byte>(); // create a large buffer, should be able to hold all traffic // byte decompressBuffer[] = new byte[2000]; while (run) { System.Threading.Thread.Sleep(5); if (!client.isConnected()) { writeoutput("Disconnected"); packetOperator.processDisconnect(); } try { int size = myin.available(); if (size != 0) { byte[] incoming = new byte[myin.available()]; myin.read(incoming); for (int i = 0; i < incoming.length; i++) { aBuffer.add(incoming[i]); } // fills our vecotor with the packet } while (!aBuffer.isEmpty()) { if (bDecompress) { byte[] tempbuf = new byte[aBuffer.size()]; // create a buffer to hold list for (int x = 0; x < aBuffer.size(); x++) { tempbuf[x] = aBuffer.get(x); } // adds list to buffer if (aBuffer.size() > 1000) { int zx = 55 + 5; } huffmanobject myhuf = new huffmanobject(); myhuf.buffer = tempbuf; myhuf.src_size = tempbuf.length; myhuf.out_size = 0; myhuf = BinaryNode.drkDecompress(myhuf); byte[] temp = myhuf.output; if (temp.length < 1) { aBuffer.clear(); break; } // if we are getting garbage wipe the buffer. if (tempbuf.length > temp.length) { writeoutput("Packet: " + aBuffer.size() + "bytes consumed: " + myhuf.out_size); int intx = 1; for (int x = 0; x < temp.length; x++) { aOutput.add(temp[x]); } // outputs the packet for (int x = 0; x < myhuf.out_size + intx; x++) { aBuffer.remove(0); } // removes it from queue } else { for (int x = 0; x < temp.length; x++) { aOutput.add(temp[x]); } // outputs the packet if (aBuffer.isEmpty() == false) { aBuffer.clear(); } } } else { byte[] temp = new byte[aBuffer.size()]; // create a buffer to hold list for (int x = 0; x < aBuffer.size(); x++) { temp[x] = aBuffer.get(x); } // adds list to buffer if (aBuffer.isEmpty() == false) { aBuffer.clear(); } for (int x = 0; x < temp.length; x++) { aOutput.add(temp[x]); } } byte[] temp = new byte[aOutput.size()]; for (int x = 0; x < aOutput.size(); x++) { temp[x] = aOutput.get(x); } handlePacket(temp); aOutput.clear(); } } // end of newdata IF // end of try catch (SocketException e) { writeoutput("Socket Error: Most likely disconnect: " + e); try { client.close(); } catch (IOException e2) {} packetOperator.processDisconnect(); } catch (IOException e) { writeoutput("IOError: " + e); } catch (NegativeArraySizeException e) { } catch (Exception e) { writeoutput("Some other error in the thread: " + e); e.printStackTrace(); } } }
public void PacketReceived(IAsyncResult result) { mysocket.EndReceive(result); StateObject newstate = (StateObject)result.AsyncState; ArrayList incomingpackets = new ArrayList(); incomingpackets.AddRange(newstate.buffer); byte[] outbuffer; // store incoming packet in an arraylist // decompress it etc, then xfer to byte[] and remove from list // repeat while (incomingpackets.Count > 0) { if (bDecompress) { HuffmanDecompression huff = new HuffmanDecompression(); outbuffer = new byte[incomingpackets.Count]; huffmanobject myhuf = new huffmanobject(); myhuf.buffer = (byte[])incomingpackets.ToArray(typeof(byte)); myhuf.src_size = incomingpackets.Count; myhuf.out_size = 0; //myhuf.output = BinaryNode.Decompress(myhuf.buffer); myhuf = BinaryNode.drkDecompress(myhuf); outbuffer = myhuf.output; //myhuf.out_size = outbuffer.Length; if (outbuffer.Length < 1) { incomingpackets.Clear(); break; } if (myhuf.buffer.Length > outbuffer.Length) { if (bDebug) { display("consuming: " + myhuf.out_size + " bytes"); } for (int x = 0; x < (myhuf.out_size + 1); x++) { incomingpackets.RemoveAt(0); } // removes it from queue } else { incomingpackets.Clear(); } } else { // Wipe the buffer as pre decompression packets dont stack up. outbuffer = newstate.buffer; incomingpackets.Clear(); } if (bTwofishcrypt) { Twofish.serverDecrypt(ref outbuffer, outbuffer.Length); display("Decrypting incoming"); } handlePackets(outbuffer); } }