public static queue CreateUploadQueue(Tranferclint client, string fileName)
{
try
{
//We will create a new upload queue
var queue = new queue();
//Set our filename
queue.Filename = fileName;
// queue.Filename = fileName;
queue._Type = Path.GetFileName(fileName).ToLower().Contains("jpg") || Path.GetFileName(fileName).ToLower().Contains("png") ? "Image" : "Video";
//Set our client
queue.Client = client;
//Set our queue type to upload.
queue.Type = QueueType.Upload;
//Create our file stream for reading.
queue.FS = new FileStream(fileName, FileMode.Open);
//Create our transfer thread
queue.Thread = new Thread(new ParameterizedThreadStart(transferProc));
// queue.Thread.IsBackground = true;
//Generate our ID
queue.ID = Application.Rand.Next();
//Set our length to the size of the file.
queue.Length = queue.FS.Length;
return(queue);
}
catch
{
//If something goes wrong, return null
return(null);
}
}
public static queue CreateDownloadQueue(Tranferclint client, int id, string typ, string saveName, long length)
{
try
{
//Same as above with some changes.
var queue = new queue();
queue._Type = typ;
queue.Client = client;
queue.Filename = saveName;
queue._Type = typ;
queue.Type = QueueType.Download;
//Create our file stream for writing.
queue.FS = new FileStream(saveName, FileMode.Create);
//Fill the stream will 0 bytes based on the real size. So we can index write.
queue.Length = length;
queue.FS.SetLength(length);
//Instead of generating an ID, we will set the ID that has been sent.
queue.ID = id;
return(queue);
}
catch
{
return(null);
}
}
public void QueueTransfer(string fileName)
{
try
{
//We will create our upload queue.
queue queue = queue.CreateUploadQueue(this, fileName);
//Add the transfer to our transfer list.
_transfers.Add(queue.ID, queue);
//Now we will create and build our queue packet.
PacketWriter pw = new PacketWriter();
pw.Write((byte)Headers.Queue);
pw.Write(queue.ID);
pw.Write(queue.Filename);
pw.Write(queue._Type);
pw.Write(queue.Length);
Send(pw.GetBytes());
//Call queued
if (Queued != null)
{
Queued(this, queue);
}
}
catch
{
}
}
internal void callProgressChanged(queue queue)
{
if (ProgressChanged != null)
{
ProgressChanged(this, queue);
}
}
public void StartTransfer(queue queue)
{
//We'll create our start packet.
PacketWriter pw = new PacketWriter();
pw.Write((byte)Headers.Start);
pw.Write(queue.ID);
Send(pw.GetBytes());
}
private void _Tranferclint_Queued(object sender, queue queue)
{
if (queue.Type == QueueType.Download)
{
_Tranferclint.StartTransfer(queue); downloading = true;
}
_QueueList.Add(queue);
}
private static void transferProc(object o)
{
//Cast our transfer queue from the parameter.
queue queue = (queue)o;
//If Running is true, the thread will keep going
//If queue.Index is not the file length, the thread will continue.
while (queue.Running && queue.Index < queue.Length)
{
//We will call WaitOne to see if we're paused or not.
//If we are, it will block until notified.
queue.pauseEvent.WaitOne();
//Just in case the transfer was paused then stopped, check to see if we're still running
if (!queue.Running)
{
break;
}
//Lock the file buffer so only one queue can use it at a time.
lock (file_buffer)
{
//Set the read position to our current position
queue.FS.Position = queue.Index;
//Read a chunk into our buffer.
int read = queue.FS.Read(file_buffer, 0, file_buffer.Length);
//Create our packet writer and send our chunk packet.
PacketWriter pw = new PacketWriter();
pw.Write((byte)4);
pw.Write(queue.ID);
pw.Write(queue.Index);
pw.Write(read);
pw.Write(file_buffer, 0, read);
/*The reason the buffer size is 8175 is so it'll be about 8 kilobytes
* It should be 8192, but its 8191. I missed a byte since I had to make a quick change, but eh.
* 4 Bytes = ID
* 8 Bytes = Index
* 4 Bytes = read
* 8175 Bytes = file_buffer
* All together (If the file buffer is full) 8192 Bytes
*
*/
//Increase our data transffered and read index.
queue.Transferred += read;
queue.Index += read;
//Send our data
queue.Client.Send(pw.GetBytes());
//Get our progress
queue.Progress = (int)((queue.Transferred * 100) / queue.Length);
if (queue.LastProgress < queue.Progress)
{
queue.LastProgress = queue.Progress;
queue.Client.callProgressChanged(queue);
}
//Sleep for a millisecond so we don't kill our CPU
Thread.Sleep(1);
}
}
queue.Close(); //Once the loop is broken, close the queue.
}
private static void Save_Data(queue Finsh_queue)
{
DataSql _DataSql = new DataSql();
UIImage image;
LibraryWords library = new LibraryWords();
var myByteArray = File.ReadAllBytes(Finsh_queue.Filename);
byte[] myByteThumbnail = null;
if (Finsh_queue._Type == "Video")
{
// byte[] myByteArray;
CoreMedia.CMTime actualTime;
NSError outError;
using (var asset = AVAsset.FromUrl(NSUrl.FromFilename(Finsh_queue.Filename)))
using (var imageGen = new AVAssetImageGenerator(asset))
using (var imageRef = imageGen.CopyCGImageAtTime(new CoreMedia.CMTime(1, 1), out actualTime, out outError))
{
if (imageRef == null)
{
// return null;
}
image = UIImage.FromImage(imageRef);
}
using (NSData imageData = image.AsPNG())
{
myByteThumbnail = new Byte[imageData.Length];
System.Runtime.InteropServices.Marshal.Copy(imageData.Bytes, myByteThumbnail, 0, Convert.ToInt32(imageData.Length));
}
if (save.Savegerlly)
{
if (File.Exists(Finsh_queue.Filename))
{
savedowloaning file = new savedowloaning();
// AMvideo.SaveToAlbum(Finsh_queue.Filename);
file.Get_clipfile(Finsh_queue.ID.ToString(), myByteArray);
// ALAssetsLibrary lib = new ALAssetsLibrary();
// lib.WriteVideoToSavedPhotosAlbum(NSUrl.FromFilename(Finsh_queue.Filename), (t, u) => { });
}
}
}
else
{
myByteThumbnail = myByteArray;
if (save.Savegerlly)
{
savedowloaning file = new savedowloaning();
file.Get_imagefile(Finsh_queue.ID.ToString(), myByteArray);
}
}
_DataSql.process(library.File(2), library.INSERT(2), DataSql_Parameters(Path.GetFileName(Finsh_queue.Filename), myByteArray, myByteThumbnail, Finsh_queue._Type));
}
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 Shortname = pr.ReadString();
string type = pr.ReadString();
string fileName = pr.ReadString();
long length = pr.ReadInt64();
//Create our queueload queue.
queue queue = queue.CreateDownloadQueue(this, id, type, Path.Combine(OutputFolder,
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.
queue 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.
}
