public bool Write(LogRecord record, out long newPos)
{
var chunkNum = (int)(_writerPos / _db.Config.ChunkSize);
var chunkPos = _writerPos % _db.Config.ChunkSize;
var result = _writerChunk.TryAppend(record);
if (result.Success)
{
Debug.Assert(result.OldPosition == chunkPos);
_writerPos = chunkNum * (long)_db.Config.ChunkSize + result.NewPosition;
}
else
{
_writerChunk.Flush();
_writerChunk.Complete();
_writerChunk = _db.Manager.AddNewChunk();
//_writerCheckpoint.Flush(); //flush our checkpoint
_writerPos = _writerChunk.ChunkHeader.ChunkStartNumber * (long)_db.Config.ChunkSize; // we just moved to a new chunk at pos 0
//GFY CANT USE chunkNum here (it could be exact at end)
}
_writerCheckpoint.Write(_writerPos);
newPos = _writerPos;
return(result.Success);
}
public void CompleteChunk()
{
_writerChunk.Flush();
_writerChunk.Complete();
_writerCheckpoint.Flush(); //flush our checkpoint
_writerChunk = _db.Manager.AddNewChunk();
_writerPos = _writerChunk.ChunkHeader.ChunkStartNumber * (long)_db.Config.ChunkSize;
_writerCheckpoint.Write(_writerPos);
}
public void Setup()
{
_record = new PrepareLogRecord(0, _corrId, _eventId, 0, 0, "test", 1, new DateTime(2000, 1, 1, 12, 0, 0),
PrepareFlags.None, "Foo", new byte[12], new byte[15]);
_chunk = TFChunk.CreateNew(_filename, 4096, 0, 0);
_result = _chunk.TryAppend(_record);
_chunk.Flush();
}
public void Setup()
{
_record = new PrepareLogRecord(0, _corrId, _eventId, 0, 0, "test", 1, new DateTime(2000, 1, 1, 12, 0, 0),
PrepareFlags.None, "Foo", new byte[12], new byte[15]);
_chunk = TFChunk.CreateNew(_filename, 4096, 0, 0);
_result = _chunk.TryAppend(_record);
_chunk.Flush();
_chunk.Complete();
_cachedChunk = TFChunk.FromCompletedFile(_filename, verifyHash: true);
_cachedChunk.CacheInMemory();
}
public void CompleteRawChunk(TFChunk rawChunk)
{
rawChunk.Flush();
rawChunk.CompleteRaw();
_db.Manager.AddReplicatedChunk(rawChunk, verifyHash: true);
_writerChunk = _db.Manager.AddNewChunk();
_writerPos = _writerChunk.ChunkHeader.ChunkStartNumber * (long)_db.Config.ChunkSize;
_writerCheckpoint.Write(_writerPos);
_writerCheckpoint.Flush();
}
public void Setup()
{
_prepare1 = new PrepareLogRecord(0, _corrId, _eventId, 0, "test", 1, new DateTime(2000, 1, 1, 12, 0, 0),
PrepareFlags.None, "Foo", new byte[12], new byte[15]);
_prepare2 = new PrepareLogRecord(0, _corrId, _eventId, 0, "test2", 2, new DateTime(2000, 1, 1, 12, 0, 0),
PrepareFlags.None, "Foo2", new byte[12], new byte[15]);
_chunk = TFChunk.CreateNew(_filename, 4096, 0, 0);
var r1 = _chunk.TryAppend(_prepare1);
_written1 = r1.Success;
_position1 = r1.OldPosition;
var r2 = _chunk.TryAppend(_prepare2);
_written2 = r2.Success;
_position2 = r2.OldPosition;
_chunk.Flush();
}
public void CompleteRawChunk(TFChunk rawChunk)
{
rawChunk.Flush();
rawChunk.CompleteRaw();
_db.Manager.AddReplicatedChunk(rawChunk, verifyHash: true);
_writerChunk = _db.Manager.AddNewChunk();
_writerPos = _writerChunk.ChunkHeader.ChunkStartNumber * (long)_db.Config.ChunkSize;
_writerCheckpoint.Write(_writerPos);
_writerCheckpoint.Flush();
}