Beispiel #1
0
        public byte[] Read(long handle)
        {
            MemoryStream ms     = new MemoryStream();
            BinaryWriter writer = new BinaryWriter(ms);

            ReadCommand.WriteRequest(writer, handle);

            Packet packet = new Packet(ms);

            Client.Send(packet);
            packet.Wait();

            return(ReadCommand.ReadResponse(new BinaryReader(packet.Response)).Buffer);
        }
Beispiel #2
0
        private void DoWork()
        {
            try
            {
                TcpServer.Start();

                while (!ShutdownTokenSource.Token.IsCancellationRequested)
                {
                    try
                    {
                        var order = TcpServer.RecievedPackets.Take(ShutdownTokenSource.Token);

                        BinaryReader reader = new BinaryReader(order.Value.Request);
                        MemoryStream ms     = new MemoryStream();
                        BinaryWriter writer = new BinaryWriter(ms);

                        var code = (RemoteHeapCommandCodes)reader.ReadByte();

                        switch (code)
                        {
                        case RemoteHeapCommandCodes.ObtainHandle:
                            ObtainHandleCommand.WriteResponse(writer, Heap.ObtainNewHandle());
                            break;

                        case RemoteHeapCommandCodes.ReleaseHandle:
                        {
                            var handle = ReleaseHandleCommand.ReadRequest(reader).Handle;
                            Heap.Release(handle);
                            break;
                        }

                        case RemoteHeapCommandCodes.HandleExist:
                        {
                            long handle = HandleExistCommand.ReadRequest(reader).Handle;
                            HandleExistCommand.WriteResponse(writer, Heap.Exists(handle));
                            break;
                        }

                        case RemoteHeapCommandCodes.WriteCommand:
                            var cmd = WriteCommand.ReadRequest(reader);
                            Heap.Write(cmd.Handle, cmd.Buffer, cmd.Index, cmd.Count);
                            break;

                        case RemoteHeapCommandCodes.ReadCommand:
                        {
                            var handle = ReadCommand.ReadRequest(reader).Handle;
                            ReadCommand.WriteResponse(writer, Heap.Read(handle));
                            break;
                        }

                        case RemoteHeapCommandCodes.CommitCommand:
                            Heap.Commit();
                            break;

                        case RemoteHeapCommandCodes.CloseCommand:
                            Heap.Close();
                            break;

                        case RemoteHeapCommandCodes.SetTag:
                            Heap.Tag = SetTagCommand.ReadRequest(reader).Tag;
                            break;

                        case RemoteHeapCommandCodes.GetTag:
                            GetTagCommand.WriteResponse(writer, Heap.Tag);
                            break;

                        case RemoteHeapCommandCodes.Size:
                            SizeCommand.WriteResponse(writer, Heap.Size);
                            break;

                        case RemoteHeapCommandCodes.DataBaseSize:
                            DataBaseSizeCommand.WriteResponse(writer, Heap.DataSize);
                            break;

                        default:
                            break;
                        }

                        ms.Position          = 0;
                        order.Value.Response = ms;
                        order.Key.PendingPackets.Add(order.Value);
                    }
                    catch (OperationCanceledException)
                    {
                        break;
                    }
                    catch (Exception exc)
                    {
                        TcpServer.LogError(exc);
                    }
                }
            }
            catch (Exception exc)
            {
                TcpServer.LogError(exc);
            }
            finally
            {
                TcpServer.Stop();
                Worker = null;
            }
        }