public void ProcessDownloads()
{
if (Downloads.Count == 0)
{
return;
}
var removeDownloads = new List <Download>();
foreach (var download in Downloads)
{
if (download.Connection.State != TcpState.Connected)
{
removeDownloads.Add(download);
continue;
}
// while connection has 8kb in buffer free
while (download.Connection.SendReady) // read 8k, 200b overflow buffer
{
// read 8k of file
long readSize = XRay.DatSize - download.FilePos;
if (readSize > DownloadChunkSize)
{
readSize = DownloadChunkSize;
}
var chunk = new DatPacket(download.FilePos, download.Stream.Read((int)readSize));
Log("Sending dat pos: {0}, length: {1}", chunk.Pos, chunk.Data.Length); //todo delete
// send
if (chunk.Data.Length > 0)
{
int bytesSent = download.Connection.SendPacket(chunk);
if (bytesSent < 0)
{
break;
}
}
download.FilePos += chunk.Data.Length;
// remove when complete
if (download.FilePos >= XRay.DatSize)
{
removeDownloads.Add(download);
break;
}
}
}
foreach (var download in removeDownloads)
{
download.Stream.Close();
Downloads.Remove(download);
}
}
public static DatPacket Decode(G2Header root)
{
var dat = new DatPacket();
foreach (var child in G2Protocol.EnumerateChildren(root))
{
switch (child.Name)
{
case Packet_Pos:
dat.Pos = BitConverter.ToInt64(child.Data, child.PayloadPos);
break;
case Packet_Data:
dat.Data = Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize);
break;
}
}
return(dat);
}
void Receive_DatPacket(XConnection connection, G2ReceivedPacket packet)
{
// received by client from server
var chunk = DatPacket.Decode(packet.Root);
// write to tmp file
if (LocalTempFile == null)
{
LocalTempFile = File.Create(LocalDatTempPath);
LocalTempFile.SetLength(0);
}
Log("Received dat pos: {0}, length: {1}", chunk.Pos, chunk.Data.Length); //todo delete
LocalTempFile.Write(chunk.Data);
var percentComplete = LocalTempFile.Length * 100 / RemoteDatSize;
RemoteStatus = string.Format("Downloading Dat File - {0}% Complete", percentComplete);
// hash when complete
if (LocalTempFile.Length >= RemoteDatSize)
{
LocalTempFile.Close();
LocalTempFile = null;
var checkHash = Utilities.MD5HashFile(LocalDatTempPath);
if (checkHash == RemoteDatHash)
{
File.Move(LocalDatTempPath, LocalDatPath);
Send_StartSync(connection);
}
else
{
RemoteStatus = string.Format("Dat integrity check failed - Expecting {0}, got {1}", RemoteDatHash, checkHash);
}
}
}
public static DatPacket Decode(G2Header root)
{
var dat = new DatPacket();
foreach(var child in G2Protocol.EnumerateChildren(root))
{
switch (child.Name)
{
case Packet_Pos:
dat.Pos = BitConverter.ToInt64(child.Data, child.PayloadPos);
break;
case Packet_Data:
dat.Data = Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize);
break;
}
}
return dat;
}
public void ProcessDownloads()
{
if (Downloads.Count == 0)
return;
var removeDownloads = new List<Download>();
foreach (var download in Downloads)
{
if (download.Connection.State != TcpState.Connected)
{
removeDownloads.Add(download);
continue;
}
// while connection has 8kb in buffer free
while (download.Connection.SendReady) // read 8k, 200b overflow buffer
{
// read 8k of file
long readSize = XRay.DatSize - download.FilePos;
if (readSize > DownloadChunkSize)
readSize = DownloadChunkSize;
var chunk = new DatPacket(download.FilePos, download.Stream.Read((int)readSize));
Log("Sending dat pos: {0}, length: {1}", chunk.Pos, chunk.Data.Length); //todo delete
// send
if(chunk.Data.Length > 0)
{
int bytesSent = download.Connection.SendPacket(chunk);
if(bytesSent < 0)
break;
}
download.FilePos += chunk.Data.Length;
// remove when complete
if (download.FilePos >= XRay.DatSize)
{
removeDownloads.Add(download);
break;
}
}
}
foreach (var download in removeDownloads)
{
download.Stream.Close();
Downloads.Remove(download);
}
}
