public void Handle(ClientMessage.ScavengeDatabase message)
{
if (IsAllowed(message.User, message.CorrelationId, message.Envelope))
{
lock (_lock) {
if (_currentScavenge != null)
{
message.Envelope.ReplyWith(new ClientMessage.ScavengeDatabaseResponse(message.CorrelationId,
ClientMessage.ScavengeDatabaseResponse.ScavengeResult.InProgress,
_currentScavenge.ScavengeId));
}
else
{
var tfChunkScavengerLog = _logManager.CreateLog();
_cancellationTokenSource = new CancellationTokenSource();
var newScavenge = _currentScavenge = new TFChunkScavenger(_db, tfChunkScavengerLog, _tableIndex,
_readIndex, unsafeIgnoreHardDeletes: _unsafeIgnoreHardDeletes, threads: message.Threads);
var newScavengeTask = _currentScavenge.Scavenge(_alwaysKeepScavenged, _mergeChunks,
message.StartFromChunk, _cancellationTokenSource.Token);
HandleCleanupWhenFinished(newScavengeTask, newScavenge);
message.Envelope.ReplyWith(new ClientMessage.ScavengeDatabaseResponse(message.CorrelationId,
ClientMessage.ScavengeDatabaseResponse.ScavengeResult.Started,
tfChunkScavengerLog.ScavengeId));
}
}
}
}
