/// <summary>
/// SaveManifest
/// Save manifest on disk
/// </summary>
public async Task <bool> SaveManifest(ManifestCache cache)
{
bool bResult = false;
using (var releaser = await internalManifestDiskLock.WriterLockAsync())
{
System.Diagnostics.Debug.WriteLine(string.Format("{0:d/M/yyyy HH:mm:ss.fff}", DateTime.Now) + " internalManifestDiskLock Writer Enter for Uri: " + cache.ManifestUri.ToString());
try
{
using (MemoryStream ms = new MemoryStream())
{
if (ms != null)
{
System.Runtime.Serialization.DataContractSerializer ser = new System.Runtime.Serialization.DataContractSerializer(typeof(ManifestCache));
ser.WriteObject(ms, cache);
bResult = await Save(Path.Combine(Path.Combine(root, cache.StoragePath), manifestFileName), ms.ToArray());
}
}
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine(string.Format("{0:d/M/yyyy HH:mm:ss.fff}", DateTime.Now) + " internalManifestDiskLock Writer exception for Uri: " + cache.ManifestUri.ToString() + " Exception: " + e.Message);
}
System.Diagnostics.Debug.WriteLine(string.Format("{0:d/M/yyyy HH:mm:ss.fff}", DateTime.Now) + " internalManifestDiskLock Writer Exit for Uri: " + cache.ManifestUri.ToString());
}
return(bResult);
}
/// <summary>
/// SaveVideoChunks
/// Save video chunks on disk
/// </summary>
public async Task <bool> SaveVideoChunks(ManifestCache cache)
{
bool bResult = false;
string VideoIndexFile = Path.Combine(Path.Combine(root, cache.StoragePath), videoIndexFileName);
string VideoContentFile = Path.Combine(Path.Combine(root, cache.StoragePath), videoContentFileName);
if ((!string.IsNullOrEmpty(VideoIndexFile)) &&
(!string.IsNullOrEmpty(VideoContentFile)))
{
using (var releaser = await internalVideoDiskLock.WriterLockAsync())
{
ulong VideoOffset = await GetFileSize(VideoContentFile);
ulong InitialVideoOffset = VideoOffset;
// delete the initial files
/*
* await DeleteFile(VideoIndexFile);
* await DeleteFile(VideoContentFile);
* cache.VideoSavedChunks = 0;
*/
for (int Index = (int)cache.VideoSavedChunks; Index < (int)cache.VideoDownloadedChunks; Index++)
//foreach (var cc in cache.VideoChunkList)
{
var cc = cache.VideoChunkList[Index];
if ((cc != null) && (cc.GetLength() > 0))
{
IndexCache ic = new IndexCache(cc.Time, VideoOffset, cc.GetLength());
if (ic != null)
{
ulong res = await Append(VideoContentFile, cc.chunkBuffer);
if (res == cc.GetLength())
{
VideoOffset += res;
ulong result = await Append(VideoIndexFile, ic.GetByteData());
if (result == indexSize)
{
cache.VideoSavedChunks++;
cache.VideoSavedBytes += res;
// free buffer
cc.chunkBuffer = null;
// cache.VideoChunkList[Index].chunkBuffer = null;
}
}
}
}
else
{
break;
}
}
if (InitialVideoOffset < VideoOffset)
{
bResult = true;
}
if (cache.VideoSavedChunks == cache.VideoDownloadedChunks)
{
bResult = true;
}
}
}
return(bResult);
}
