public void TestSerializeDeserializeInProgressDownloadEntryOk()
{
var file = Guid.NewGuid().ToString();
var folder = Path.GetTempPath();
var list = new List <InProgressDownloadEntry>();
list.Add(new InProgressDownloadEntry
{
Id = Guid.NewGuid().ToString(),
Name = "Sample entry 1",
DateAdded = DateTime.Now,
DownloadType = "Http",
FileNameFetchMode = FileNameFetchMode.FileNameAndExtension,
Size = 12345,
Progress = 10,
TargetDir = "abc"
});
list.Add(new InProgressDownloadEntry
{
Id = Guid.NewGuid().ToString(),
Name = "Sample entry 2",
DateAdded = DateTime.Now,
DownloadType = "Http",
FileNameFetchMode = FileNameFetchMode.FileNameAndExtension,
Size = 1234567,
Progress = 20,
TargetDir = "abcd"
});
TransactedIO.WriteInProgressList(list, file, folder);
Console.WriteLine(JsonConvert.SerializeObject(TransactedIO.ReadInProgressList(file, folder), Formatting.Indented));
}
protected override void RestoreState()
{
var state = DownloadStateIO.LoadMultiSourceHLSDownloadState(Id !);
this._state = state;
try
{
Log.Debug("Restoring chunks from: " + Path.Combine(state.TempDirectory, "chunks.db"));
if (!TransactedIO.ReadStream("chunks.db", state.TempDirectory, s =>
{
_chunks = ChunkStateFromBytes(s);
}))
{
throw new FileNotFoundException(Path.Combine(state.TempDirectory, "chunks.db"));
}
var hlsDir = state.TempDirectory;
var streamMap = _chunks.Select(c => new
{
c.Id,
TempFilePath = Path.Combine(hlsDir, (c.StreamIndex == 0 ? "1_" : "2_") + c.Id + FileHelper.GetFileName(c.Uri))
}).ToDictionary(e => e.Id, e => e.TempFilePath);
_chunkStreamMap = new SimpleStreamMap {
StreamMap = streamMap
};
var count = 0;
totalDownloadedBytes = 0;
_chunks.ForEach(c =>
{
if (c.ChunkState == ChunkState.Finished)
{
count++;
}
if (c.Downloaded > 0)
{
totalDownloadedBytes += c.Downloaded;
}
});
ticksAtDownloadStartOrResume = Helpers.TickCount();
this.lastProgress = (count * 100) / _chunks.Count;
Log.Debug("Already downloaded: " + count + " Total: " + _chunks.Count);
}
catch
{
// ignored
Log.Debug("Chunk restore failed");
}
}
protected override void SaveChunkState()
{
try
{
rwLock.EnterWriteLock();
if (pieces.Count == 0)
{
return;
}
TransactedIO.WriteStream("chunks.db", state !.TempDir !, base.ChunkStateToBytes);
}
finally
{
rwLock.ExitWriteLock();
}
}
public override void RestoreState()
{
state = DownloadStateIO.LoadSingleSourceHTTPDownloaderState(Id !);
//if (!TransactedIO.ReadStream(Id + ".state", Config.DataDir, s =>
//{
// state = DownloadStateStore.SingleSourceHTTPDownloaderStateFromBytes(s);
//}))
//{
// throw new FileNotFoundException(Path.Combine(Config.DataDir, Id + ".state"));
//}
//var bytes = TransactedIO.ReadBytes(Id + ".state", Config.DataDir);
//if (bytes == null)
//{
// throw new FileNotFoundException(Path.Combine(Config.DataDir, Id + ".state"));
//}
//state = DownloadStateStore.SingleSourceHTTPDownloaderStateFromBytes(bytes);
try
{
//var chunkBytes = TransactedIO.ReadBytes("chunks.db", state.TempDir);
//if (chunkBytes == null)
//{
// throw new FileNotFoundException(Path.Combine(state.TempDir, "chunks.json"));
//}
//pieces = ChunkStateFromBytes(chunkBytes);
if (!TransactedIO.ReadStream("chunks.db", state !.TempDir !, s =>
{
pieces = ChunkStateFromBytes(s);
}))
{
throw new FileNotFoundException(Path.Combine(state.TempDir, "chunks.db"));
}
Log.Debug("Total size: " + state.FileSize);
//foreach (var item in pieces.Keys)
//{
// Log.Debug("Chunk id: " + item + " offset: " + pieces[item].Offset + " downloaded: " +
// pieces[item].Downloaded + " length: " + pieces[item].Length + " state: " + pieces[item].State);
//}
}
catch
{
// ignored
Console.WriteLine("Chunk restore failed");
}
TicksAndSizeAtResume();
}
public override void RestoreState()
{
state = DownloadStateIO.LoadDualSourceHTTPDownloaderState(Id !);
try
{
if (!TransactedIO.ReadStream("chunks.db", state !.TempDir !, s =>
{
pieces = ChunkStateFromBytes(s);
}))
{
throw new FileNotFoundException(Path.Combine(state.TempDir, "chunks.db"));
}
}
catch
{
// ignored
Log.Debug("Chunk restore failed");
}
TicksAndSizeAtResume();
}
protected override void RestoreState()
{
var state = DownloadStateIO.LoadMultiSourceDASHDownloadState(Id !);
this._state = state;
//var bytes = TransactedIO.ReadBytes(Id + ".state", Config.DataDir);
//if (bytes == null)
//{
// throw new FileNotFoundException(Path.Combine(Config.DataDir, Id + ".state"));
//}
//var state = DownloadStateStore.MultiSourceDASHDownloadStateFromBytes(bytes);
//this._state = state;
//var text = TransactedIO.Read(Id + ".state", Config.DataDir);
//if (text == null)
//{
// throw new FileNotFoundException(Path.Combine(Config.DataDir, Id + ".state"));
//}
////since all information is available in constructor we assume chunk restore can not fail
//var state = JsonConvert.DeserializeObject<MultiSourceDASHDownloadState>(
// text);
//this._state = state;
try
{
Log.Debug("Restoring chunks from: " + Path.Combine(_state.TempDirectory, "chunks.db"));
if (!TransactedIO.ReadStream("chunks.db", state.TempDirectory, s =>
{
_chunks = ChunkStateFromBytes(s);// pieces = ChunkStateFromBytes(s);
}))
{
throw new FileNotFoundException(Path.Combine(state.TempDirectory, "chunks.db"));
}
//var bytes2 = TransactedIO.ReadBytes("chunks.db", _state.TempDirectory);
//if (bytes2 == null)
//{
// throw new FileNotFoundException(Path.Combine(_state.TempDirectory, "chunks.json"));
//}
//_chunks = ChunkStateFromBytes(bytes2);
var dashDir = _state.TempDirectory;
var streamMap = _chunks.Select(c => new
{
c.Id,
TempFilePath = Path.Combine(dashDir, (c.StreamIndex == 0 ? "1_" : "2_") + c.Id + FileHelper.GetFileName(c.Uri))
}).ToDictionary(e => e.Id, e =>
e.TempFilePath);
_chunkStreamMap = new SimpleStreamMap {
StreamMap = streamMap
};
}
catch (Exception ex)
{
Log.Debug(ex, "Error loading chunks");
if (state.Demuxed)
{
CreateChunks2(state, _chunks, _chunkStreamMap);
}
else
{
CreateChunks1(state, _chunks, _chunkStreamMap);
}
}
var count = 0;
totalDownloadedBytes = 0;
_chunks.ForEach(c =>
{
if (c.ChunkState == ChunkState.Finished)
{
count++;
}
if (c.Downloaded > 0)
{
totalDownloadedBytes += c.Downloaded;
}
});
this.lastProgress = (count * 100) / _chunks.Count;
ticksAtDownloadStartOrResume = Helpers.TickCount();
Log.Debug("Already downloaded: " + count);
}
