private void process()
{
PacketReader pr = new PacketReader(_buffer); //Create our packet reader.
Headers header = (Headers)pr.ReadByte(); //Read and cast our header.
switch (header)
{
case Headers.Queue:
{
//Read the ID, Filename and length of the file (For progress) from the packet.
int id = pr.ReadInt32();
string fileName = pr.ReadString();
long length = pr.ReadInt64();
//Create our download queue.
TransferQueue queue = TransferQueue.CreateDownloadQueue(this, id, Path.Combine(OutputFolder,
Path.GetFileName(fileName)), length);
//Add it to our transfer list.
_transfers.Add(id, queue);
//Call queued.
if (Queued != null)
{
Queued(this, queue);
}
}
break;
case Headers.Start:
{
//Read the ID
int id = pr.ReadInt32();
//Start the upload.
if (_transfers.ContainsKey(id))
{
_transfers[id].Start();
}
}
break;
case Headers.Stop:
{
//Read the ID
int id = pr.ReadInt32();
if (_transfers.ContainsKey(id))
{
//Get the queue.
TransferQueue queue = _transfers[id];
//Stop and close the queue
queue.Stop();
queue.Close();
//Call the stopped event.
if (Stopped != null)
{
Stopped(this, queue);
}
//Remove the queue
_transfers.Remove(id);
}
}
break;
case Headers.Pause:
{
int id = pr.ReadInt32();
//Pause the upload.
if (_transfers.ContainsKey(id))
{
_transfers[id].Pause();
}
}
break;
case Headers.Chunk:
{
//Read the ID, index, size and buffer from the packet.
int id = pr.ReadInt32();
long index = pr.ReadInt64();
int size = pr.ReadInt32();
byte[] buffer = pr.ReadBytes(size);
//Get the queue.
TransferQueue queue = _transfers[id];
//Write the newly transferred bytes to the queue based on the write index.
queue.Write(buffer, index);
//Get the progress of the current transfer with the formula
//(AMOUNT_TRANSFERRED * 100) / COMPLETE SIZE
queue.Progress = (int)((queue.Transferred * 100) / queue.Length);
//This will prevent the us from calling progress changed multiple times.
/* Such as
* 2, 2, 2, 2, 2, 2 (Since the actual progress minus the decimals will be the same for a bit
* It will be
* 1, 2, 3, 4, 5, 6
* Instead*/
if (queue.LastProgress < queue.Progress)
{
queue.LastProgress = queue.Progress;
if (ProgressChanged != null)
{
ProgressChanged(this, queue);
}
//If the transfer is complete, call the event.
if (queue.Progress == 100)
{
queue.Close();
if (Complete != null)
{
Complete(this, queue);
}
}
}
}
break;
}
pr.Dispose(); //Dispose the reader.
}
