private void AddFileInfo(PacketHeader header, Connection connection, SendInfo info)
        {
            try
            {
                byte[]       data = null;
                ReceivedFile file = null;

                lock (syncRoot)
                {
                    long sequenceNumber = info.PacketSequenceNumber;

                    if (incomingDataCache.ContainsKey(connection.ConnectionInfo) && incomingDataCache[connection.ConnectionInfo].ContainsKey(sequenceNumber))
                    {
                        data = incomingDataCache[connection.ConnectionInfo][sequenceNumber];
                        incomingDataCache[connection.ConnectionInfo].Remove(sequenceNumber);

                        if (!receivedFilesDict.ContainsKey(connection.ConnectionInfo))
                        {
                            receivedFilesDict.Add(connection.ConnectionInfo, new Dictionary <string, ReceivedFile>());
                        }

                        if (!receivedFilesDict[connection.ConnectionInfo].ContainsKey(info.Filename))
                        {
                            receivedFilesDict[connection.ConnectionInfo].Add(info.Filename, new ReceivedFile(info.Filename, connection.ConnectionInfo, info.TotalBytes));
                            AddNewReceivedItem(receivedFilesDict[connection.ConnectionInfo][info.Filename]);
                        }

                        file = receivedFilesDict[connection.ConnectionInfo][info.Filename];
                        Console.WriteLine("Info was received " + info.Filename);
                    }
                    else
                    {
                        if (!incomingDataInfoCache.ContainsKey(connection.ConnectionInfo))
                        {
                            incomingDataInfoCache.Add(connection.ConnectionInfo, new Dictionary <long, SendInfo>());
                        }

                        incomingDataInfoCache[connection.ConnectionInfo].Add(sequenceNumber, info);
                    }
                }

                if (data != null && file != null && !file.IsCompleted)
                {
                    file.AddData(info.BytesStart, 0, data.Length, data);

                    file = null;
                    data = null;
                    GC.Collect();
                }
                else if (data == null ^ file == null)
                {
                    throw new Exception("Either both are null or both are set. Data is " + (data == null ? "null." : "set.") + " File is " + (file == null ? "null." : "set.") + " File is " + (file.IsCompleted ? "completed." : "not completed."));
                }
            }
            catch (Exception ex)
            {
                LogTools.LogException(ex, "IncomingPartialFileDataInfo");
            }
        }
 private void AddNewReceivedItem(ReceivedFile data)
 {
     receivedFiles.Add(data);
 }
        private void AddFileData(PacketHeader header, Connection connection, byte[] data)
        {
            try
            {
                SendInfo     info = null;
                ReceivedFile file = null;

                lock (syncRoot)
                {
                    long sequenceNumber = header.GetOption(PacketHeaderLongItems.PacketSequenceNumber);

                    if (incomingDataInfoCache.ContainsKey(connection.ConnectionInfo) && incomingDataInfoCache[connection.ConnectionInfo].ContainsKey(sequenceNumber))
                    {
                        info = incomingDataInfoCache[connection.ConnectionInfo][sequenceNumber];
                        incomingDataInfoCache[connection.ConnectionInfo].Remove(sequenceNumber);

                        if (!receivedFilesDict.ContainsKey(connection.ConnectionInfo))
                        {
                            receivedFilesDict.Add(connection.ConnectionInfo, new Dictionary <string, ReceivedFile>());
                        }

                        if (!receivedFilesDict[connection.ConnectionInfo].ContainsKey(info.Filename))
                        {
                            receivedFilesDict[connection.ConnectionInfo].Add(info.Filename, new ReceivedFile(info.Filename, connection.ConnectionInfo, info.TotalBytes));
                            AddNewReceivedItem(receivedFilesDict[connection.ConnectionInfo][info.Filename]);
                        }

                        file = receivedFilesDict[connection.ConnectionInfo][info.Filename];

                        Console.WriteLine("File was received " + info.Filename);
                    }
                    else
                    {
                        if (!incomingDataCache.ContainsKey(connection.ConnectionInfo))
                        {
                            incomingDataCache.Add(connection.ConnectionInfo, new Dictionary <long, byte[]>());
                        }

                        incomingDataCache[connection.ConnectionInfo].Add(sequenceNumber, data);
                    }
                }

                //If we have everything we need we can add data to the ReceivedFile
                if (info != null && file != null && !file.IsCompleted)
                {
                    file.AddData(info.BytesStart, 0, data.Length, data);
                    Console.WriteLine("Received: " + file.CompletedPercent + "%");
                    //Perform a little clean-up
                    file = null;
                    data = null;
                    GC.Collect();
                }
                else if (info == null ^ file == null)
                {
                    throw new Exception("Either both are null or both are set. Info is " + (info == null ? "null." : "set.") + " File is " + (file == null ? "null." : "set.") + " File is " + (file.IsCompleted ? "completed." : "not completed."));
                }
            }
            catch (Exception ex)
            {
                //If an exception occurs we write to the log window and also create an error file
                LogTools.LogException(ex, "IncomingPartialFileDataError");
            }
        }