/// <summary>
/// Sends a text message or a link to the end point
/// </summary>
/// <param name="message"></param>
/// <param name="endPoint"></param>
public static void SendTextMessage(string message, IPEndPoint endPoint)
{
int s = 2;
TextTransferPacket ttp = new TextTransferPacket(message);
NetComm.SendByteArray(ttp.ToByteArray(), endPoint);
}
/// <summary>
/// Sends the information about the device to the endpoint requesting it. Follows a broadcast request
/// </summary>
/// <param name="ep"></param>
private static void SendScoutingInformation(IPEndPoint ep)
{
ScoutResponsePacket packet = new ScoutResponsePacket(new NetworkDevice()
{
Name = ProgramSettings.DeviceName,
Type = ProgramSettings.DeviceType
});
NetComm.SendByteArray(packet.ToByteArray(), ep);
}
public void Start()
{
timer.Start();
IsRunning = true;
// First we load the file
LoadFile();
// Sending the request packet
TransferRequestPacket trp = new TransferRequestPacket(SelectedFileStructure, LocalTransferID);
NetComm.SendByteArray(trp.ToByteArray(), TargetEndPoint);
// Update the state
ProcessState = SendProcessState.SentTransferRequest;
ProcessThread = new Thread(MainLoop);
ProcessThread.Start();
}
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>
/// Receives and processes an INetworkPacket packet
/// </summary>
/// <param name="packet"></param>
public void ReceivePacket(INetworkPacket packet)
{
switch (packet)
{
case DataCarryPacket dcp:
//using (FileStream fStream = new FileStream(TempFilePath, FileMode.Append, FileAccess.Write))
//{
// fStream.Write(packet.PacketData, 0, packet.PacketData.Length);
//}
fStream.Write(packet.PacketData, 0, packet.PacketData.Length);
//using (FileStream fStream = File.Open(TempFilePath, FileMode.OpenOrCreate))
//{
// fStream.Seek(0, SeekOrigin.End);
// fStream.Write(packet.PacketData, 0, packet.PacketData.Length);
//}
// Send the ack packet back
AcknowledgePacket ack = new AcknowledgePacket(dcp.PacketNumber, TransferID);
NetComm.SendByteArray(ack.ToByteArray(), SenderEndPoint);
// If it's marked as last, process the file
if (dcp.IsLast)
{
//ReceivedChunks.Add(new DataChunk(dcp.PacketNumber, dcp.PacketData));
//ProcessFinishedFile();
ProcessFinishedFileStream();
}
else
{
//ReceivedChunks.Add(new DataChunk(dcp.PacketNumber, dcp.PacketData));
}
break;
}
}
/// <summary>
/// Sends a packet with the new chunk
/// </summary>
private void SendChunk()
{
// Update progress
//decimal pp = (decimal)ReadIndex / (decimal)FileBuffer.Length;
decimal pp = (decimal)ReadIndex / (decimal)SelectedFileStructure.FileSize;
int percent = (int)Math.Round(pp * 100);
if (percent > DownloadProgressNextTick)
{
FileTransferProgressEventArgs args = new FileTransferProgressEventArgs();
args.PercentProgress = percent;
args.ID = LocalTransferID;
args.FileName = SelectedFileStructure.FullName;
OutTransferProgress?.Invoke(null, args);
DownloadProgressNextTick = percent + DownloadProgressTreshold;
}
DataCarryPacket dcp = CreateDataPacket();
NetComm.SendByteArray(dcp.ToByteArray(), TargetEndPoint);
LastActionSnapshot = timer.ElapsedMilliseconds;
//DataCarryPacket dcp = new DataCarryPacket(NextBlockNumber, TransferID, )
}
/// <summary>
/// Sends an immediate termination request to the target device's process
/// </summary>
/// <param name="ep"></param>
/// <param name="id"></param>
private static void SendTransferTermination(IPEndPoint ep, int id)
{
TransferTerminationPacket ttp = new TransferTerminationPacket(id);
NetComm.SendByteArray(ttp.ToByteArray(), ep);
}