Ejemplo n.º 1
0
 public FileTransportErrorEventArgs(Errors error, string message, TransportFile file, Exception e)
     : base(file)
 {
     Error     = error;
     Message   = message;
     Exception = e;
 }
Ejemplo n.º 2
0
        public void AddTransportFile(TransportFile file)
        {
            LoggerFactory.Debug("add ready send file={0}", file);
            _transportFileDic.TryAdd(file.ID, file);

            //TODO
            //if(_transportFileDic.Count > MAX_COUNT)
            //{
            //    //移除那些时间比较久的
            //}
        }
Ejemplo n.º 3
0
        protected virtual void OnError(Errors error, string message, TransportFile file, Exception e)
        {
            LoggerFactory.Error("{0}, file={1}, exception={2}", message, file, e);
            FileTransportErrorEventArgs args = new FileTransportErrorEventArgs(error, message, file, e);

            if (_context == null)
            {
                ErrorSendOrPostCallBack(args);
            }
            else
            {
                //在指定线程上调用事件委托
                _context.Post(ErrorSendOrPostCallBack, args);
            }
        }
Ejemplo n.º 4
0
        protected virtual void OnCompleted(TransportFile file)
        {
            LoggerFactory.Debug("send file completed");
            FileTransportEventArgs args = new FileTransportEventArgs(file);

            if (_context == null)
            {
                CompletedSendOrPostCallBack(args);
            }
            else
            {
                //在指定线程上调用事件委托
                _context.Post(CompletedSendOrPostCallBack, args);
            }
        }
Ejemplo n.º 5
0
        protected virtual void OnProgressChanged(TransportFile file)
        {
            LoggerFactory.Debug("send file progress change: file={0}, progress={1}", file, file.Progress);
            FileTransportEventArgs args = new FileTransportEventArgs(file);

            if (_context == null)
            {
                ProgressChangedSendOrPostCallBack(args);
            }
            else
            {
                //在指定线程上调用事件委托
                _context.Post(ProgressChangedSendOrPostCallBack, args);
            }
        }
Ejemplo n.º 6
0
        public void Receive(TransportFile file)
        {
            TaskFactory taskFactory = new TaskFactory();

            taskFactory.StartNew(() =>
            {
                LoggerFactory.Debug("start receive file:id={0}", file.ID);
                string tmpPath = file.SavePath + "." + Path.GetRandomFileName().Replace(".", "") + ".lamim";
                FileStream fs  = null;
                try
                {
                    fs = new FileStream(tmpPath, FileMode.Create);
                }
                catch (Exception e)
                {
                    OnError(Errors.FileOpenError, "打开文件失败:" + tmpPath, file, e);
                    return;
                }
                LoggerFactory.Debug("opened file:" + tmpPath);

                LoggerFactory.Debug("try connect remote:remote={0}, port={1}", file.Remote, file.Port);
                TcpClient tcpClient = null;
                NetworkStream ns    = null;
                try
                {
                    tcpClient = new TcpClient(AddressFamily.InterNetwork)
                    {
                        ReceiveBufferSize = this.ReceiveBufferSize
                    };

                    tcpClient.Connect(file.Remote, file.Port);

                    ns = tcpClient.GetStream();
                }
                catch (Exception e)
                {
                    OnError(Errors.NetworkError, "连接失败", file, e);
                    return;
                }
                LoggerFactory.Debug("conneted remote:remote={0}, port={1}", file.Remote, file.Port);

                LoggerFactory.Debug("encode packet, request file:id={0}", file.ID);
                TcpPacket packet    = null;
                EncodeResult result = null;
                try
                {
                    //发送要接受的文件ID
                    TcpPacketRequestFileTransportExtend extend = new TcpPacketRequestFileTransportExtend
                    {
                        EncryptKey = file.PublicKey,
                        FileID     = file.ID
                    };

                    packet = new TcpPacket
                    {
                        Command = TcpPacket.CMD_REQUEST_FILE_TRANSPORT,
                        Extend  = extend
                    };

                    IPacketEncoder encoder = PacketEncoderFactory.CreateEncoder(packet);
                    result = encoder.Encode(null);
                }
                catch (Exception e)
                {
                    OnError(Errors.EncodeError, "请求文件ID包加密失败。" + packet.ToString(), file, e);
                    return;
                }

                LoggerFactory.Debug("send packet, request file:id={0}", file.ID);
                try
                {
                    ns.Write(result.Fragments[0], 0, result.Fragments[0].Length);
                }
                catch (Exception e)
                {
                    OnError(Errors.NetworkError, "请求文件ID包发送失败", file, e);
                    return;
                }

                LoggerFactory.Debug("receive file start:id={0}", file.ID);
                try
                {
                    int len = 0;
                    file.StartTransport();
                    long lastProgressTicks = file.NowTransportTicks;

                    byte[] buff = new byte[this.ReceiveBufferSize];
                    while ((len = ns.Read(buff, 0, buff.Length)) != 0)
                    {
                        fs.Write(buff, 0, len);

                        file.Transported(len);

                        if (file.TransportedLength == file.File.Length ||
                            (DateTime.Now.Ticks - lastProgressTicks) > this._progressChangeInterval) //避免进度太频繁,500ms一次
                        {
                            OnProgressChanged(file);
                            lastProgressTicks = file.NowTransportTicks;
                        }
                    }
                    LoggerFactory.Debug("receive file end:id={0}", file.ID);
                }
                catch (Exception e)
                {
                    OnError(Errors.NetworkError, "文件接收失败", file, e);
                }
                finally
                {
                    LoggerFactory.Debug("close connect and save file:id={0}", file.ID);
                    //关闭连接
                    ns.Close();
                    tcpClient.Close();

                    fs.Flush(true);
                    fs.Close();

                    if (LanFile.Rename(tmpPath, file.SavePath))
                    {
                        //发送接收完毕
                        OnCompleted(file);
                    }
                    else
                    {
                        OnError(Errors.FileWriteError, "文件写入失败", file, null);
                    }
                }
                LoggerFactory.Debug("end receive file:id={0}", file.ID);
            });
        }
Ejemplo n.º 7
0
 public FileTransportEventArgs(TransportFile file)
 {
     File = file;
 }