/// <summary>
/// Returns "" if there is no completed recovery or a recovery failed.
/// Returns the path to the output directory if recovery succeeded.
/// </summary>
/// <returns></returns>
public string CheckRecovery(/*long fileID, Guid sourceNode*/)
{
lock (recoverResults)
{
if (recoverResults.Count > 0)
{
RecoverResult rr = recoverResults.Dequeue();
if (rr.Successful)
{
return(Path.GetDirectoryName(rr.Path));
}
else
{
Logger.Error("EchoBackupService:CheckRecovery Recovery failed");
}
}
}
return("");
}
public virtual void RecoverResult(C context, RecoverResult mystruct)
{
}
protected void checkStorageThread()
{
if (storageThread.NumChunks() > 0)
{
Chunk chunk = storageThread.DequeueChunk();
Logger.Debug("EchoBackupService:checkStorageThread Finished archiving chunk.");
//identify host(s) to send to.
List <GuidAndIP> gai = NetworkFunctions.GetOnlineNodesIPAddresses();
if (gai.Count < 2)
{
Logger.Warn("EchoBackupService:checkStorageThread not enough online hosts. hosts online: " + gai.Count);
}
//send chunk to hosts.
List <Block> blocks = new List <Block>();
long filesize = new FileInfo(chunk.Path()).Length;
for (int i = 0; i < 2 && i < gai.Count; i++)
{
TcpClient tc = new TcpClient(gai[i].ipAddress.ToString(), CommandServer.SERVER_PORT);
ClientThread ct = new ClientThread(tc, false, this.guid);
PushRequest pr = new PushRequest(Node.GetIPAddress(), this.guid, MiscFunctions.Next());
pr.Path = chunk.Path();
pr.FileSize = filesize;
pr.BackupNumber = chunk.BackupID();
pr.ChunkNumber = chunk.ChunkID();
ct.EnqueueWork(pr);
lock (clientThreads)
{
clientThreads.Add(ct);
}
blocks.Add(new Block(this.guid.ToString(), gai[i].guid.ToString(), "bad storage path", filesize, MiscFunctions.DBDateAndTime()));
}
//do something with the index so we know about this backup
//store files in BackupIndex
IndexDatabase idb = new IndexDatabase();
foreach (FileInChunk fic in chunk.Files())
{
BackupIndex bi = new BackupIndex();
string fullpath = Path.Combine(chunk.BasePath(), fic.path);
if (Directory.Exists(fullpath))
{
continue;
}
bi.backupLevel = 0;
bi.dateAndTime = MiscFunctions.DBDateAndTime();
bi.firstBlockOffset = 0;
bi.size = new FileInfo(fullpath).Length;
bi.sourceGUID = this.guid.ToString();
bi.sourcePath = fullpath;
//todo: we cannot insert multiple blocks for every file. that is what the index-to-block table is for
//idb.InsertIndex(bi, blocks);
}
//store indexes in DB
}
if (storageThread.NumRecoverStructs() > 0)
{
RecoverResult rs = storageThread.DequeueRecoverResult();
lock (recoverResults)
{
recoverResults.Enqueue(rs);
}
}
}
private void processTask(RestoreTask task)
{
Logger.Debug("StorageThread:processTask:RestoreTask");
Stream inStream = File.OpenRead(task.ArchivePath);
Stream gzipStream = new GZipInputStream(inStream);
TarInputStream tarStream = new TarInputStream(gzipStream);
TarEntry entry;
List<string> list = task.RelativeFilenames();
RecoverResult recover = new RecoverResult(task.OutputDir, true);
while ((entry = tarStream.GetNextEntry()) != null)
{
if (entry.IsDirectory) continue;
if (list.IndexOf(entry.Name) != -1)
{
string name = entry.Name.Replace('/', Path.DirectorySeparatorChar);
name = Path.Combine(task.OutputDir, name);
Directory.CreateDirectory(Path.GetDirectoryName(name));
FileStream outStream = new FileStream(name, FileMode.CreateNew);
tarStream.CopyEntryContents(outStream);
outStream.Close();
DateTime myDt = DateTime.SpecifyKind(entry.ModTime, DateTimeKind.Utc);
File.SetLastWriteTime(name, myDt);
}
}
tarStream.Close();
lock (_lock)
{
recoverResults.Enqueue(recover);
}
}