| // Licensed to the Apache Software Foundation(ASF) under one |
| // or more contributor license agreements.See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership.The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| using System; |
| using System.Net; |
| using System.Net.Sockets; |
| using System.Threading; |
| using System.Threading.Tasks; |
| using Thrift.Transport.Client; |
| |
| namespace Thrift.Transport.Server |
| { |
| |
| // ReSharper disable once InconsistentNaming |
| public class TServerSocketTransport : TServerTransport |
| { |
| private readonly int _clientTimeout; |
| private TcpListener _server; |
| |
| public TServerSocketTransport(TcpListener listener, TConfiguration config, int clientTimeout = 0) |
| : base(config) |
| { |
| _server = listener; |
| _clientTimeout = clientTimeout; |
| } |
| |
| public TServerSocketTransport(int port, TConfiguration config, int clientTimeout = 0) |
| : this(null, config, clientTimeout) |
| { |
| try |
| { |
| // Make server socket |
| _server = new TcpListener(IPAddress.Any, port); |
| _server.Server.NoDelay = true; |
| } |
| catch (Exception) |
| { |
| _server = null; |
| throw new TTransportException("Could not create ServerSocket on port " + port + "."); |
| } |
| } |
| |
| public override bool IsOpen() |
| { |
| return (_server != null) |
| && (_server.Server != null) |
| && _server.Server.IsBound; |
| } |
| |
| public int GetPort() |
| { |
| if ((_server != null) && (_server.Server != null) && (_server.Server.LocalEndPoint != null)) |
| { |
| if (_server.Server.LocalEndPoint is IPEndPoint server) |
| { |
| return server.Port; |
| } |
| else |
| { |
| throw new TTransportException("ServerSocket is not a network socket"); |
| } |
| } |
| else |
| { |
| throw new TTransportException("ServerSocket is not open"); |
| } |
| } |
| |
| public override void Listen() |
| { |
| // Make sure not to block on accept |
| if (_server != null) |
| { |
| try |
| { |
| _server.Start(); |
| } |
| catch (SocketException sx) |
| { |
| throw new TTransportException("Could not accept on listening socket: " + sx.Message); |
| } |
| } |
| } |
| |
| public override bool IsClientPending() |
| { |
| return _server.Pending(); |
| } |
| |
| protected override async ValueTask<TTransport> AcceptImplementationAsync(CancellationToken cancellationToken) |
| { |
| cancellationToken.ThrowIfCancellationRequested(); |
| |
| if (_server == null) |
| { |
| throw new TTransportException(TTransportException.ExceptionType.NotOpen, "No underlying server socket."); |
| } |
| |
| try |
| { |
| TTransport tSocketTransport = null; |
| var tcpClient = await _server.AcceptTcpClientAsync(); |
| |
| try |
| { |
| tSocketTransport = new TSocketTransport(tcpClient, Configuration) |
| { |
| Timeout = _clientTimeout |
| }; |
| |
| return tSocketTransport; |
| } |
| catch (Exception) |
| { |
| if (tSocketTransport != null) |
| { |
| tSocketTransport.Dispose(); |
| } |
| else // Otherwise, clean it up ourselves. |
| { |
| ((IDisposable)tcpClient).Dispose(); |
| } |
| |
| throw; |
| } |
| } |
| catch (Exception ex) |
| { |
| throw new TTransportException(ex.ToString()); |
| } |
| } |
| |
| public override void Close() |
| { |
| if (_server != null) |
| { |
| try |
| { |
| _server.Stop(); |
| } |
| catch (Exception ex) |
| { |
| throw new TTransportException("WARNING: Could not close server socket: " + ex); |
| } |
| _server = null; |
| } |
| } |
| } |
| } |