public ChunkManager(string name, ChunkManagerConfig config, bool isMemoryMode, IEnumerable <string> relativePaths = null)
{
Ensure.NotNull(name, "name");
Ensure.NotNull(config, "config");
Name = name;
_config = config;
_isMemoryMode = isMemoryMode;
if (relativePaths == null)
{
_chunkPath = _config.BasePath;
}
else
{
var chunkPath = _config.BasePath;
foreach (var relativePath in relativePaths)
{
chunkPath = Path.Combine(chunkPath, relativePath);
}
_chunkPath = chunkPath;
}
if (!Directory.Exists(_chunkPath))
{
Directory.CreateDirectory(_chunkPath);
}
_chunks = new ConcurrentDictionary <int, Chunk>();
_scheduleService = null /* ObjectContainer.Resolve<IScheduleService>()*/;
_bytesWriteDict = new ConcurrentDictionary <int, BytesInfo>();
_fileReadDict = new ConcurrentDictionary <int, CountInfo>();
_unmanagedReadDict = new ConcurrentDictionary <int, CountInfo>();
_cachedReadDict = new ConcurrentDictionary <int, CountInfo>();
}
private Chunk(string filename, ChunkManager chunkManager, ChunkManagerConfig chunkConfig, bool isMemoryChunk)
{
Ensure.NotNullOrEmpty(filename, "filename");
Ensure.NotNull(chunkManager, "chunkManager");
Ensure.NotNull(chunkConfig, "chunkConfig");
_filename = filename;
_chunkManager = chunkManager;
_chunkConfig = chunkConfig;
_isMemoryChunk = isMemoryChunk;
_lastActiveTime = DateTime.Now;
}
public static Chunk FromOngoingFile <T>(string filename, ChunkManager chunkManager, ChunkManagerConfig config, Func <byte[], T> readRecordFunc, bool isMemoryChunk) where T : ILogRecord
{
var chunk = new Chunk(filename, chunkManager, config, isMemoryChunk);
try
{
chunk.InitOngoing(readRecordFunc);
}
catch (OutOfMemoryException)
{
chunk.Dispose();
throw;
}
catch (Exception ex)
{
_logger.Error(string.Format("Chunk {0} init from ongoing file failed.", chunk), ex);
chunk.Dispose();
throw;
}
return(chunk);
}
public static Chunk FromCompletedFile(string filename, ChunkManager chunkManager, ChunkManagerConfig config, bool isMemoryChunk)
{
var chunk = new Chunk(filename, chunkManager, config, isMemoryChunk);
try
{
chunk.InitCompleted();
}
catch (OutOfMemoryException)
{
chunk.Dispose();
throw;
}
catch (Exception ex)
{
_logger.Error(string.Format("Chunk {0} init from completed file failed.", chunk), ex);
chunk.Dispose();
throw;
}
return(chunk);
}
public static Chunk CreateNew(string filename, int chunkNumber, ChunkManager chunkManager, ChunkManagerConfig config, bool isMemoryChunk)
{
var chunk = new Chunk(filename, chunkManager, config, isMemoryChunk);
try
{
chunk.InitNew(chunkNumber);
}
catch (OutOfMemoryException)
{
chunk.Dispose();
throw;
}
catch (Exception ex)
{
_logger.Error(string.Format("Chunk {0} create failed.", chunk), ex);
chunk.Dispose();
throw;
}
return(chunk);
}