private static async Task UploadVolumeAndIndex(SpillVolumeRequest target, IWriteChannel <IUploadRequest> outputChannel, Options options, BackupDatabase database)
{
var blockEntry = target.BlockVolume.CreateFileEntryForUpload(options);
TemporaryIndexVolume indexVolumeCopy = null;
if (target.IndexVolume != null)
{
indexVolumeCopy = new TemporaryIndexVolume(options);
target.IndexVolume.CopyTo(indexVolumeCopy, false);
}
var uploadRequest = new VolumeUploadRequest(target.BlockVolume, blockEntry, indexVolumeCopy, options, database);
await outputChannel.WriteAsync(uploadRequest).ConfigureAwait(false);
}
private static async Task UploadVolumeAndIndex(SpillVolumeRequest target, IWriteChannel <IUploadRequest> outputChannel, Options options, BackupDatabase database)
{
var blockEntry = CreateFileEntryForUpload(target.BlockVolume, options);
IndexVolumeWriter indexVolume = null;
FileEntryItem indexEntry = null;
if (target.IndexVolume != null)
{
indexVolume = await target.IndexVolume.CreateVolume(target.BlockVolume.RemoteFilename, blockEntry.Hash, blockEntry.Size, options, database).ConfigureAwait(false);
indexEntry = CreateFileEntryForUpload(indexVolume, options);
}
var uploadRequest = new VolumeUploadRequest(target.BlockVolume, blockEntry, indexVolume, indexEntry);
await outputChannel.WriteAsync(uploadRequest).ConfigureAwait(false);
}
public static Task Run(Options options, BackupDatabase database, ITaskReader taskreader)
{
return(AutomationExtensions.RunTask(
new
{
Input = Channels.SpillPickup.ForRead,
Output = Channels.BackendRequest.ForWrite,
},
async self =>
{
var lst = new List <SpillVolumeRequest>();
while (!await self.Input.IsRetiredAsync.ConfigureAwait(false))
{
try
{
lst.Add(await self.Input.ReadAsync().ConfigureAwait(false));
}
catch (Exception ex)
{
if (ex.IsRetiredException())
{
break;
}
throw;
}
}
while (lst.Count > 1)
{
// We ignore the stop signal, but not the pause and terminate
await taskreader.ProgressAsync.ConfigureAwait(false);
SpillVolumeRequest target = null;
var source = lst[0];
// Finalize the current work
source.BlockVolume.Close();
// Remove it from the list of active operations
lst.RemoveAt(0);
var buffer = new byte[options.Blocksize];
using (var rd = new BlockVolumeReader(options.CompressionModule, source.BlockVolume.LocalFilename, options))
{
foreach (var file in rd.Blocks)
{
// Grab a target
if (target == null)
{
if (lst.Count == 0)
{
// No more targets, make one
target = new SpillVolumeRequest(new BlockVolumeWriter(options), source.IndexVolume == null ? null : new TemporaryIndexVolume(options));
target.BlockVolume.VolumeID = await database.RegisterRemoteVolumeAsync(target.BlockVolume.RemoteFilename, RemoteVolumeType.Blocks, RemoteVolumeState.Temporary).ConfigureAwait(false);
}
else
{
// Grab the next target
target = lst[0];
lst.RemoveAt(0);
}
// We copy all the blocklisthashes, which may create duplicates
// but otherwise we need to query all hashes to see if they are blocklisthashes
if (source.IndexVolume != null)
{
source.IndexVolume.CopyTo(target.IndexVolume, true);
}
}
var len = rd.ReadBlock(file.Key, buffer);
target.BlockVolume.AddBlock(file.Key, buffer, 0, len, Duplicati.Library.Interface.CompressionHint.Default);
await database.MoveBlockToVolumeAsync(file.Key, len, source.BlockVolume.VolumeID, target.BlockVolume.VolumeID).ConfigureAwait(false);
if (target.IndexVolume != null)
{
target.IndexVolume.AddBlock(file.Key, len);
}
if (target.BlockVolume.Filesize > options.VolumeSize - options.Blocksize)
{
target.BlockVolume.Close();
await UploadVolumeAndIndex(target, self.Output, options, database).ConfigureAwait(false);
target = null;
}
}
}
// Make sure they are out of the database
System.IO.File.Delete(source.BlockVolume.LocalFilename);
await database.SafeDeleteRemoteVolumeAsync(source.BlockVolume.RemoteFilename).ConfigureAwait(false);
// Re-inject the target if it has content
if (target != null)
{
lst.Insert(lst.Count == 0 ? 0 : 1, target);
}
}
foreach (var n in lst)
{
// We ignore the stop signal, but not the pause and terminate
await taskreader.ProgressAsync.ConfigureAwait(false);
n.BlockVolume.Close();
await UploadVolumeAndIndex(n, self.Output, options, database).ConfigureAwait(false);
}
}));
}
