public override bool Obtain()
{
try
{
if (IsLocked())
{
return(false);
}
using (var stream = new MemoryStream())
{
using (var writer = new StreamWriter(stream))
{
writer.Write(_lockFile);
return(_remoteDirectory.Upload(stream, _lockFile));
}
}
return(true);
}
catch (Exception ex)
{
Trace.WriteLine($"ERROR {ex.ToString()} Error while obtaining lock");
throw;
}
}
protected override void Dispose(bool isDisposing)
{
_fileMutex.WaitOne();
try
{
var fileName = _name;
long originalLength = 0;
//this can be null in some odd cases so we need to check
if (_indexOutput != null)
{
try
{
// make sure it's all written out
_indexOutput.Flush();
originalLength = _indexOutput.Length;
}
finally
{
_indexOutput.Dispose();
}
}
if (originalLength > 0)
{
var result = _azureRemoteDirectory.Upload(CacheDirectory.OpenInput(fileName), fileName,
originalLength,
_azureSyncDirectory.CompressBlobs, CacheDirectory.FileModified(fileName).ToString());
// push the blobStream up to the cloud
if (!result)
{
throw new Exception("File already exists");
}
#if FULLDEBUG
Trace.WriteLine($"CLOSED WRITESTREAM {_name}");
#endif
}
// clean up
_indexOutput = null;
//_blobContainer = null;
GC.SuppressFinalize(this);
}
finally
{
_fileMutex.ReleaseMutex();
}
}
