示例#1
0
        internal void AddIncomingPacket(NetPacket p)
        {
            if (p.IsFragmented)
            {
                DebugWrite("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]
                    };
                    _holdedFragments.Add(packetFragId, incomingFragments);
                }

                //Cache
                var fragments = incomingFragments.Fragments;

                //Fill array
                fragments[p.FragmentPart] = p;

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

                //Increase total size
                int dataOffset = p.GetHeaderSize() + NetConstants.FragmentHeaderSize;
                incomingFragments.TotalSize += p.RawData.Length - dataOffset;

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

                DebugWrite("Received all fragments!");
                NetPacket resultingPacket       = GetPacketFromPool(p.Property, incomingFragments.TotalSize);
                int       resultingPacketOffset = resultingPacket.GetHeaderSize();
                int       firstFragmentSize     = fragments[0].RawData.Length - dataOffset;
                for (int i = 0; i < incomingFragments.ReceivedCount; i++)
                {
                    //Create resulting big packet
                    int fragmentSize = fragments[i].RawData.Length - dataOffset;
                    Buffer.BlockCopy(
                        fragments[i].RawData,
                        dataOffset,
                        resultingPacket.RawData,
                        resultingPacketOffset + firstFragmentSize * i,
                        fragmentSize);

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

                //Send to process
                _peerListener.ReceiveFromPeer(resultingPacket, _remoteEndPoint);

                //Clear memory
                Recycle(resultingPacket);
                _holdedFragments.Remove(packetFragId);
            }
            else //Just simple packet
            {
                _peerListener.ReceiveFromPeer(p, _remoteEndPoint);
                Recycle(p);
            }
        }
示例#2
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);
            }
        }
示例#3
0
        internal void AddIncomingPacket(NetPacket p)
        {
            if (p.IsFragmented)
            {
                NetUtils.DebugWrite("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]
                    };
                    _holdedFragments.Add(packetFragId, incomingFragments);
                }

                //Cache
                var fragments = incomingFragments.Fragments;

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

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

                //Increase total size
                incomingFragments.TotalSize += p.GetDataSize();

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

                NetUtils.DebugWrite("Received all fragments!");
                NetPacket resultingPacket = _packetPool.Get(p.Property, 0, incomingFragments.TotalSize);

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

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

                //Send to process
                _netManager.ReceiveFromPeer(resultingPacket, _remoteEndPoint);

                //Clear memory
                //_packetPool.Recycle(resultingPacket);
                _holdedFragments.Remove(packetFragId);
            }
            else //Just simple packet
            {
                _netManager.ReceiveFromPeer(p, _remoteEndPoint);
                //_packetPool.Recycle(p);
            }
        }