bool LoadFiles(SdpArchive fileList)
{
try
{
doneAll = 0;
var hashesToDownload = new List<Hash>();
var bitArray = new BitArray(fileList.Files.Count);
for (var i = 0; i < fileList.Files.Count; i++)
{
if (!pool.Exists(fileList.Files[i].Hash))
{
bitArray.PushBit(true);
hashesToDownload.Add(fileList.Files[i].Hash);
}
else bitArray.PushBit(false);
}
var wr = WebRequest.Create(string.Format("{0}/streamer.cgi?{1}", urlRoot, PackageHash));
wr.Method = "POST";
wr.Proxy = null;
var zippedArray = bitArray.GetByteArray().Compress();
var requestStream = wr.GetRequestStream();
requestStream.Write(zippedArray, 0, zippedArray.Length);
requestStream.Close();
var response = wr.GetResponse();
Length = (int)(response.ContentLength + fileListWebGet.Length);
var responseStream = response.GetResponseStream();
var numberBuffer = new byte[4];
var cnt = 0;
while (responseStream.ReadExactly(numberBuffer, 0, 4))
{
if (IsAborted) break;
var sizeLength = (int)SdpArchive.ParseUint32(numberBuffer);
var buf = new byte[sizeLength];
if (!responseStream.ReadExactly(buf, 0, sizeLength, ref doneAll))
{
Trace.TraceError("{0} download failed - unexpected endo fo stream", Name);
return false;
}
pool.PutToStorage(buf, hashesToDownload[cnt]);
cnt++;
}
if (cnt != hashesToDownload.Count)
{
Trace.TraceError("{0} download failed - unexpected endo fo stream", Name);
return false;
}
Trace.TraceInformation("{0} download complete - {1}", Name, Utils.PrintByteLength(Length));
return true;
}
catch (Exception ex)
{
Trace.TraceError("Error downloading {0}: {1}", Name, ex);
return false;
}
}
SdpArchive GetFileList()
{
SdpArchive fileList;
tempFilelist = GetTempFileName();
fileListWebGet.Start(urlRoot + "/packages/" + PackageHash + ".sdp");
fileListWebGet.WaitHandle.WaitOne();
if (fileListWebGet.Result != null)
{
File.WriteAllBytes(tempFilelist, fileListWebGet.Result);
using (var fs = new FileStream(tempFilelist, FileMode.Open)) fileList = new SdpArchive(new GZipStream(fs, CompressionMode.Decompress));
}
else throw new ApplicationException("FileList has download failed");
return fileList;
}
public MemoryStream ReadFile(SpringPaths paths, string namePath)
{
var sdpPath = Path.Combine(paths.WritableDirectory, "packages", $"{Hash}.sdp");
if (File.Exists(sdpPath))
{
SdpArchive sdp;
using (var fs = new FileStream(sdpPath, FileMode.Open)) sdp = new SdpArchive(new GZipStream(fs, CompressionMode.Decompress));
var entry = sdp.Files.FirstOrDefault(x => x.Name.ToLower() == namePath.ToLower());
if (entry != null) return new Pool(paths).ReadFromStorageDecompressed(entry.Hash);
}
return null;
}
