/// <inheritdoc/>
public override void OnCommitFinished(FasterLogRecoveryInfo info)
{
Interlocked.Decrement(ref commitInProgress);
if (shouldRetry)
{
shouldRetry = false;
log.Commit();
}
}
internal unsafe bool ScanForwardForCommit(ref FasterLogRecoveryInfo info, long commitNum = -1)
{
epoch.Resume();
var foundCommit = false;
try
{
// Continue looping until we find a record that is a commit record
while (GetNextInternal(out long physicalAddress, out var entryLength, out long currentAddress,
out long nextAddress,
out var isCommitRecord))
{
if (!isCommitRecord)
{
continue;
}
foundCommit = true;
byte[] entry;
// We allocate a byte array from heap
entry = new byte[entryLength];
fixed(byte *bp = entry)
Buffer.MemoryCopy((void *)(headerSize + physicalAddress), bp, entryLength, entryLength);
info.Initialize(new BinaryReader(new MemoryStream(entry)));
Debug.Assert(info.CommitNum != -1);
// If we have already found the commit number we are looking for, can stop early
if (info.CommitNum == commitNum)
{
break;
}
}
}
catch (FasterException)
{
// If we are here --- simply stop scanning because we ran into an incomplete entry
}
finally
{
epoch.Suspend();
}
if (info.CommitNum == commitNum)
{
return(true);
}
// User wants any commie
if (commitNum == -1)
{
return(foundCommit);
}
// requested commit not found
return(false);
}
/// <inheritdoc/>
public override void OnCommitFinished(FasterLogRecoveryInfo info)
{
}
/// <inheritdoc/>
public override void OnCommitCreated(FasterLogRecoveryInfo info)
{
}
/// <summary> /// Invoked after a commit is complete /// </summary> /// <param name="info"> commit content </param> public abstract void OnCommitFinished(FasterLogRecoveryInfo info);
/// <summary> /// Invoked when a commit is successfully created /// </summary> /// <param name="info"> commit content </param> public abstract void OnCommitCreated(FasterLogRecoveryInfo info);