private void Read(BinaryReader br, Archive parent)
{
FileTableOffset = br.ReadUInt32();
FileTableSize = br.ReadUInt32();
Crc = br.ReadUInt64();
FileEntryCount = br.ReadUInt32();
FileSegmentCount = br.ReadUInt32();
ResourceDependencyCount = br.ReadUInt32();
// read tables
for (int i = 0; i < FileEntryCount; i++)
{
var entry = new FileEntry(br, parent);
if (!FileEntries.ContainsKey(entry.NameHash64))
{
FileEntries.Add(entry.NameHash64, entry);
}
else
{
// TODO
}
}
for (int i = 0; i < FileSegmentCount; i++)
{
FileSegments.Add(new FileSegment(br, i));
}
for (int i = 0; i < ResourceDependencyCount; i++)
{
Dependencies.Add(new Dependency(br, i));
}
}
public SegmentRepository(BotContext botContext, FileSegments segments, IDiscordClient client, IUserRepository userRepository, IUniverseRepository universeRepository)
{
_botContext = botContext;
_segments = segments;
_client = client;
_userRepository = userRepository;
_universeRepository = universeRepository;
}
// 3. Reconstracut the segments
/// <summary>
/// Reconstract the segments from the temp files that got created.
/// </summary>
/// <returns>A complete file in the directory that you specified in the constructor.</returns>
public async Task ReconstructSegmentsAsync()
{
using (Stream localFileStream = new FileStream(LocalFileFullPath, FileMode.Create, FileAccess.ReadWrite))
{
foreach (var Segment in FileSegments.OrderBy(x => x.ID))
{
localFileStream.Seek(Segment.Start, SeekOrigin.Begin);
using (Stream tempStream = new FileStream(Segment.TempFile, FileMode.Open, FileAccess.Read))
{
await tempStream.CopyToAsync(localFileStream);
}
}
}
// Delete all the Temp files, after the reconstraction process.
foreach (var Segment in FileSegments)
{
File.Delete(Segment.TempFile);
}
}
// 1. Gets the file segments and load them.
/// <summary>
/// Load the segments of the remote file.
/// </summary>
/// <returns>List of segments are stored</returns>
public async Task LoadFileSegmentsAsync()
{
int Count = 0;
foreach (var(Start, End) in SegmentPosition(RemoteFileProperties.Size, Environment.ProcessorCount))
{
using (HttpClient httpClient = new HttpClient())
{
httpClient.DefaultRequestHeaders.Range = new RangeHeaderValue(Start, End);
FileSegments.Add(new FileSegment
{
ID = ++Count,
PartialContent = await httpClient.GetStreamAsync(Url),
Start = Start,
End = End,
TotalReadBytes = 0
});
}
}
}
// 1.2 Load the segments info for resuming
/// <summary>
/// Load the Segments data from the JsonContent
/// </summary>
/// <param name="JsonContent">Json Content, which you got from the <see cref="GetBasicSegmentsInfo()"/> </param>
/// <returns>reloaded segments to be able to resumed</returns>
public async Task LoadFileSegmentsForResumingAsync(string JsonContent)
{
foreach (var fileSegment in JsonConvert.DeserializeObject <IList <FileSegment> >(JsonContent))
{
using (HttpClient httpClient = new HttpClient())
{
using (Stream tempfile = new FileStream(fileSegment.TempFile, FileMode.Open, FileAccess.Read))
{
httpClient.DefaultRequestHeaders.Range = new RangeHeaderValue(fileSegment.Start + tempfile.Length, fileSegment.End);
FileSegments.Add(new FileSegment
{
ID = fileSegment.ID,
Start = fileSegment.Start,
End = fileSegment.End,
TempFile = fileSegment.TempFile,
TotalReadBytes = tempfile.Length,
PartialContent = await httpClient.GetStreamAsync(Url)
});
}
}
}
}
