/// <exception cref="System.IO.IOException"/>
internal virtual void CheckImageAndEditsFilesExistence(FilePath dir, bool shouldHaveImages
, bool shouldHaveEdits)
{
FSImageTransactionalStorageInspector ins = Inspect(dir);
if (shouldHaveImages)
{
NUnit.Framework.Assert.IsTrue("Expect images in " + dir, ins.foundImages.Count >
0);
}
else
{
NUnit.Framework.Assert.IsTrue("Expect no images in " + dir, ins.foundImages.IsEmpty
());
}
IList <FileJournalManager.EditLogFile> editlogs = FileJournalManager.MatchEditLogs
(new FilePath(dir, "current").ListFiles());
if (shouldHaveEdits)
{
NUnit.Framework.Assert.IsTrue("Expect edits in " + dir, editlogs.Count > 0);
}
else
{
NUnit.Framework.Assert.IsTrue("Expect no edits in " + dir, editlogs.IsEmpty());
}
}
/// <exception cref="System.IO.IOException"/>
public virtual void PurgeLogsOlderThan(long minTxIdToKeep)
{
IEnumerator <Storage.StorageDirectory> iter = storage.DirIterator();
while (iter.HasNext())
{
Storage.StorageDirectory dir = iter.Next();
IList <FileJournalManager.EditLogFile> editFiles = FileJournalManager.MatchEditLogs
(dir.GetCurrentDir());
foreach (FileJournalManager.EditLogFile f in editFiles)
{
if (f.GetLastTxId() < minTxIdToKeep)
{
purger.PurgeLog(f);
}
}
}
}
public virtual void SelectInputStreams(ICollection <EditLogInputStream> streams, long
fromTxId, bool inProgressOk)
{
IEnumerator <Storage.StorageDirectory> iter = storage.DirIterator();
while (iter.HasNext())
{
Storage.StorageDirectory dir = iter.Next();
IList <FileJournalManager.EditLogFile> editFiles;
try
{
editFiles = FileJournalManager.MatchEditLogs(dir.GetCurrentDir());
}
catch (IOException ioe)
{
throw new RuntimeException(ioe);
}
FileJournalManager.AddStreamsToCollectionFromFiles(editFiles, streams, fromTxId,
inProgressOk);
}
}
/// <returns>
/// the latest edits log, finalized or otherwise, from the given
/// storage directory.
/// </returns>
/// <exception cref="System.IO.IOException"/>
public static FileJournalManager.EditLogFile FindLatestEditsLog(Storage.StorageDirectory
sd)
{
FilePath currentDir = sd.GetCurrentDir();
IList <FileJournalManager.EditLogFile> foundEditLogs = Lists.NewArrayList(FileJournalManager
.MatchEditLogs(currentDir));
return(Sharpen.Collections.Max(foundEditLogs, FileJournalManager.EditLogFile.CompareByStartTxid
));
}
/// <summary>tests that passing an invalid dir to matchEditLogs throws IOException</summary>
/// <exception cref="System.IO.IOException"/>
public virtual void TestMatchEditLogInvalidDirThrowsIOException()
{
FilePath badDir = new FilePath("does not exist");
FileJournalManager.MatchEditLogs(badDir);
}