public InboundTransferEventArgs(int _transferID, bool _successful, byte[] _fileBuffer, LocalFileStructure _fileStructure)
{
TransferID = _transferID;
IsSuccessful = _successful;
FileBuffer = _fileBuffer;
FileStructure = _fileStructure;
}
public TransferRequestPacket(LocalFileStructure fStruct, int localID)
{
PacketBuffer buffer = new PacketBuffer();
buffer.WriteInteger(localID);
buffer.WriteLong(fStruct.FileSize);
buffer.WriteString(fStruct.FileName);
buffer.WriteString(fStruct.FileExtension);
PacketData = buffer.ToArray();
PacketType = "_TFR";
}
public OutBoundTransferProcess(LocalFileStructure _file, IPEndPoint _endPoint, UInt32 _chunkSize, int _localID)
{
TargetEndPoint = _endPoint;
SelectedFileStructure = _file;
ChunkSize = _chunkSize;
ReadIndex = 0;
ChunkNumber = 0;
timer = new Stopwatch();
LocalTransferID = _localID;
ProcessState = SendProcessState.Inactive;
Terminated = false;
DownloadProgressTreshold = 5; // Update progress every 5%
}
public bool Equals(LocalFileStructure other)
{
if (ReferenceEquals(other, null))
{
return(false);
}
if (ReferenceEquals(other, this))
{
return(true);
}
return(string.Equals(FileName, other.FileName) &&
string.Equals(FileExtension, other.FileExtension) &&
FileSize == other.FileSize);
}
/// <summary>
/// Attempts to start the process of sending a file, returning the ID of the slot. If unsuccessful, returns -1
/// </summary>
/// <param name="fStruct"></param>
/// <param name="endPoint"></param>
/// <returns></returns>
private static bool SendFile(LocalFileStructure fStruct)
{
if (ActiveOutboundTransferProcess != null)
{
return(false);
}
ActiveOutboundTransferProcess = new OutBoundTransferProcess(fStruct, TargetEndPoint, MaxChunkSize, fStruct.FileID);
ActiveOutboundTransferProcess.OutTransferFinished += OutTransferFinished;
ActiveOutboundTransferProcess.OutTransferStarted += OutTransferStarted;
ActiveOutboundTransferProcess.OutTransferProgress += OutTransferProgress;
ActiveOutboundTransferProcess.Start();
return(true);
}
public InboundTransferProcess(int _transferID, LocalFileStructure _fileStructure, IPEndPoint _senderEP, IFileHandler handler)
{
ExpectedNextChunkNumber = 0;
ReceivedChunksCount = 0;
IncomingFileStructure = _fileStructure;
SenderEndPoint = _senderEP;
TransferID = _transferID;
_fileHandler = handler;
TempFilePath = _fileHandler.GetValidPath(Path.Combine(ProgramSettings.StorageFolderPath, _fileStructure.FileName + ".fjtemp"));
var f = File.Create(TempFilePath);
f.Close();
fStream = new FileStream(TempFilePath, FileMode.Append, FileAccess.Write);
}
private static void ProcessFileTransferRequest(IPEndPoint ep, TransferRequestPacket packet)
{
LocalFileStructure fStruct = packet.GetFileStructure();
if (fStruct == null)
{
// Send error
return;
}
// Check that its ok
//if(fStruct.FileSize > 500000000) // Refuse if over 500mb
//{
// // Send transfer refusal
// return;
//}
// set up
int slot = GetAviableInboundTransferProcessID();
if (slot == -1)
{
// Send transfer refusal. No slots aviable
return;
}
// Create a new inbound process
ActiveInboundTransferProcesses[slot] = new InboundTransferProcess(packet.GetSenderTransferID(),
fStruct,
ep,
_fileHandler);
ActiveInboundTransferProcesses[slot].OnTransferFinished += InboundTransferFinished;
// Send Transfer acceptal
TransferAcceptPacket ta = new TransferAcceptPacket(slot, packet.GetSenderTransferID());
NetComm.SendByteArray(ta.ToByteArray(), ep);
}
/// <summary>
/// Returns a FileStructure object containing the information
/// </summary>
/// <returns></returns>
public LocalFileStructure GetFileStructure()
{
if (PacketData == null || PacketData.Length < 12)
{
return(null);
}
PacketBuffer buffer = new PacketBuffer();
buffer.WriteBytes(PacketData);
LocalFileStructure fStruct = new LocalFileStructure();
buffer.ReadInteger(); // Ignore the local ID
fStruct.FileSize = buffer.ReadLong();
fStruct.FileName = buffer.ReadString();
fStruct.FileExtension = buffer.ReadString();
fStruct.FullName = fStruct.FileName + fStruct.FileExtension;
buffer.Dispose();
return(fStruct);
}
