Exemplo n.º 1
0
        internal bool SendRawAndRecycle(NetPacket packet, NetEndPoint remoteEndPoint)
        {
            var result = SendRaw(packet.RawData, 0, packet.Size, remoteEndPoint);

            _netPacketPool.Recycle(packet);
            return(result);
        }
Exemplo n.º 2
0
 public void Recycle()
 {
     if (_packetPool != null)
     {
         _packetPool.Recycle(this);
     }
 }
Exemplo n.º 3
0
        internal void AddIncomingPacket(NetPacket p)
        {
            if (p.IsFragmented)
            {
                NetDebug.Write("Fragment. Id: {0}, Part: {1}, Total: {2}", p.FragmentId, p.FragmentPart, p.FragmentsTotal);
                //Get needed array from dictionary
                ushort            packetFragId = p.FragmentId;
                IncomingFragments incomingFragments;
                if (!_holdedFragments.TryGetValue(packetFragId, out incomingFragments))
                {
                    incomingFragments = new IncomingFragments
                    {
                        Fragments = new NetPacket[p.FragmentsTotal],
                        ChannelId = p.ChannelId
                    };
                    _holdedFragments.Add(packetFragId, incomingFragments);
                }

                //Cache
                var fragments = incomingFragments.Fragments;

                //Error check
                if (p.FragmentPart >= fragments.Length ||
                    fragments[p.FragmentPart] != null ||
                    p.ChannelId != incomingFragments.ChannelId)
                {
                    _packetPool.Recycle(p);
                    NetDebug.WriteError("Invalid fragment packet");
                    return;
                }
                //Fill array
                fragments[p.FragmentPart] = p;

                //Increase received fragments count
                incomingFragments.ReceivedCount++;

                //Increase total size
                incomingFragments.TotalSize += p.Size - NetConstants.FragmentTotalSize;

                //Check for finish
                if (incomingFragments.ReceivedCount != fragments.Length)
                {
                    return;
                }

                NetPacket resultingPacket = _packetPool.GetWithProperty(p.Property, incomingFragments.TotalSize);
                resultingPacket.ChannelId = incomingFragments.ChannelId;

                int resultingPacketOffset = resultingPacket.GetHeaderSize();
                int firstFragmentSize     = fragments[0].Size - NetConstants.FragmentTotalSize;
                for (int i = 0; i < incomingFragments.ReceivedCount; i++)
                {
                    //Create resulting big packet
                    int fragmentSize = fragments[i].Size - NetConstants.FragmentTotalSize;
                    Buffer.BlockCopy(
                        fragments[i].RawData,
                        NetConstants.FragmentTotalSize,
                        resultingPacket.RawData,
                        resultingPacketOffset + firstFragmentSize * i,
                        fragmentSize);

                    //Free memory
                    _packetPool.Recycle(fragments[i]);
                    fragments[i] = null;
                }

                //Send to process
                NetManager.ReceiveFromPeer(resultingPacket, this);

                //Clear memory
                _holdedFragments.Remove(packetFragId);
            }
            else //Just simple packet
            {
                NetManager.ReceiveFromPeer(p, this);
            }
        }
Exemplo n.º 4
0
        internal void AddReliablePacket(DeliveryMethod method, NetPacket p)
        {
            if (p.IsFragmented)
            {
                NetDebug.Write("Fragment. Id: {0}, Part: {1}, Total: {2}", p.FragmentId, p.FragmentPart, p.FragmentsTotal);
                //Get needed array from dictionary
                ushort            packetFragId = p.FragmentId;
                IncomingFragments incomingFragments;
                if (!_holdedFragments.TryGetValue(packetFragId, out incomingFragments))
                {
                    incomingFragments = new IncomingFragments
                    {
                        Fragments = new NetPacket[p.FragmentsTotal],
                        ChannelId = p.ChannelId
                    };
                    _holdedFragments.Add(packetFragId, incomingFragments);
                }

                //Cache
                var fragments = incomingFragments.Fragments;

                //Error check
                if (p.FragmentPart >= fragments.Length ||
                    fragments[p.FragmentPart] != null ||
                    p.ChannelId != incomingFragments.ChannelId)
                {
                    _packetPool.Recycle(p);
                    NetDebug.WriteError("Invalid fragment packet");
                    return;
                }
                //Fill array
                fragments[p.FragmentPart] = p;

                //Increase received fragments count
                incomingFragments.ReceivedCount++;

                //Increase total size
                incomingFragments.TotalSize += p.Size - NetConstants.FragmentedHeaderTotalSize;

                //Check for finish
                if (incomingFragments.ReceivedCount != fragments.Length)
                {
                    return;
                }

                //just simple packet
                NetPacket resultingPacket = _packetPool.GetPacket(incomingFragments.TotalSize);

                int firstFragmentSize = fragments[0].Size - NetConstants.FragmentedHeaderTotalSize;
                for (int i = 0; i < incomingFragments.ReceivedCount; i++)
                {
                    var fragment = fragments[i];
                    //Create resulting big packet
                    Buffer.BlockCopy(
                        fragment.RawData,
                        NetConstants.FragmentedHeaderTotalSize,
                        resultingPacket.RawData,
                        firstFragmentSize * i,
                        fragment.Size - NetConstants.FragmentedHeaderTotalSize);

                    //Free memory
                    _packetPool.Recycle(fragment);
                }
                Array.Clear(fragments, 0, incomingFragments.ReceivedCount);

                //Send to process
                NetManager.CreateReceiveEvent(resultingPacket, method, 0, this);

                //Clear memory
                _holdedFragments.Remove(packetFragId);
            }
            else //Just simple packet
            {
                NetManager.CreateReceiveEvent(p, method, NetConstants.ChanneledHeaderSize, this);
            }
        }
Exemplo n.º 5
0
        //from user thread, our thread, or recv?
        private void SendPacket(NetPacket packet)
        {
            NetUtils.DebugWrite("[RS]Packet: " + packet.Property);
            switch (packet.Property)
            {
            case PacketProperty.Reliable:
                _reliableUnorderedChannel.AddToQueue(packet);
                break;

            case PacketProperty.Sequenced:
                _sequencedChannel.AddToQueue(packet);
                break;

            case PacketProperty.ReliableOrdered:
                _reliableOrderedChannel.AddToQueue(packet);
                break;

            case PacketProperty.Unreliable:
                _simpleChannel.AddToQueue(packet);
                break;

            case PacketProperty.MtuCheck:
                //Must check result for MTU fix
                if (!_peerListener.SendRawAndRecycle(packet, _remoteEndPoint))
                {
                    _finishMtu = true;
                }
                break;

            case PacketProperty.AckReliable:
            case PacketProperty.AckReliableOrdered:
            case PacketProperty.Ping:
            case PacketProperty.Pong:
            case PacketProperty.Disconnect:
            case PacketProperty.MtuOk:
                SendRawData(packet);
                _packetPool.Recycle(packet);
                break;

            default:
                throw new Exception("Unknown packet property: " + packet.Property);
            }
        }
Exemplo n.º 6
0
        internal bool ProcessConnectAccept(NetPacket packet)
        {
            if (_connectionState != ConnectionState.InProgress)
            {
                return(false);
            }

            //check connection id
            if (BitConverter.ToInt64(packet.RawData, NetConstants.AcceptConnectIdIndex) != _connectId)
            {
                NetUtils.DebugWrite(ConsoleColor.Cyan, "[NC] Invalid connectId: {0}", _connectId);
                return(false);
            }

            NetUtils.DebugWrite(ConsoleColor.Cyan, "[NC] Received connection accept");
            _timeSinceLastPacket = 0;
            _connectionState     = ConnectionState.Connected;
            _packetPool.Recycle(packet);
            return(true);
        }
Exemplo n.º 7
0
        //from user thread, our thread, or recv?
        private void SendPacket(NetPacket packet)
        {
            NetUtils.DebugWrite("[RS]Packet: " + packet.Property);
            switch (packet.Property)
            {
            case PacketProperty.ReliableUnordered:
                _reliableUnorderedChannel.AddToQueue(packet);
                break;

            case PacketProperty.Sequenced:
                _sequencedChannel.AddToQueue(packet);
                break;

            case PacketProperty.ReliableOrdered:
                _reliableOrderedChannel.AddToQueue(packet);
                break;

            case PacketProperty.Unreliable:
                _simpleChannel.AddToQueue(packet);
                break;

            case PacketProperty.ReliableSequenced:
                _reliableSequencedChannel.AddToQueue(packet);
                break;

            case PacketProperty.AckReliable:
            case PacketProperty.AckReliableOrdered:
            case PacketProperty.Ping:
            case PacketProperty.Pong:
                SendRawData(packet);
                _packetPool.Recycle(packet);
                break;

            default:
                throw new InvalidPacketException("Unknown packet property: " + packet.Property);
            }
        }