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-rw-r--r--Tools/MCADefrag/MCADefrag.h68
1 files changed, 32 insertions, 36 deletions
diff --git a/Tools/MCADefrag/MCADefrag.h b/Tools/MCADefrag/MCADefrag.h
index d7fa1fc6e..cddaef625 100644
--- a/Tools/MCADefrag/MCADefrag.h
+++ b/Tools/MCADefrag/MCADefrag.h
@@ -22,26 +22,26 @@ public:
MAX_COMPRESSED_CHUNK_DATA_SIZE = (1 MiB),
MAX_RAW_CHUNK_DATA_SIZE = (100 MiB),
} ;
-
+
cMCADefrag(void);
-
+
/** Reads the cmdline params and initializes the app.
Returns true if the app should continue, false if not. */
bool Init(int argc, char ** argv);
-
+
/** Runs the entire app. */
void Run(void);
-
+
protected:
/** A single thread processing MCA files from the queue */
class cThread :
public cIsThread
{
typedef cIsThread super;
-
+
public:
cThread(cMCADefrag & a_Parent);
-
+
protected:
/** The compression methods, as specified by the MCA compression method byte. */
enum
@@ -50,35 +50,35 @@ protected:
COMPRESSION_ZLIB = 2,
} ;
-
+
cMCADefrag & m_Parent;
-
+
/** The current compressed chunk data. Valid after a successful ReadChunk().
This contains only the compression method byte and the compressed data,
but not the exact-length preceding the data in the MCA file. */
unsigned char m_CompressedChunkData[MAX_COMPRESSED_CHUNK_DATA_SIZE];
-
+
/** Size of the actual current compressed chunk data, excluding the 4 exact-length bytes.
This is the amount of bytes in m_CompressedChunkData[] that are valid. */
int m_CompressedChunkDataSize;
-
+
/** The current raw chunk data. Valid after a successful ReadChunk(), if recompression is active. */
unsigned char m_RawChunkData[MAX_RAW_CHUNK_DATA_SIZE];
-
+
/** Size of the actual current raw chunk data. */
int m_RawChunkDataSize;
-
+
/** Number of the sector where the next chunk will be written by WriteChunk(). */
int m_CurrentSectorOut;
-
+
/** Set to true when the chunk has been successfully uncompressed. Only used if recompression is active.
WriteChunk() tests this flag to decide whether to call Compress(). */
bool m_IsChunkUncompressed;
-
-
+
+
/** Processes the specified file. */
void ProcessFile(const AString & a_FileName);
-
+
/** Reads the chunk data into m_CompressedChunkData.
Calls DecompressChunkData() if recompression is active.
a_LocationRaw is the pointer to the first byte of the Location data in the MCA header.
@@ -90,55 +90,51 @@ protected:
a_LocationRaw is the pointer to the first byte of the Location data to be put into the MCA header,
the chunk's location is stored in that memory area. Updates m_CurrentSectorOut.
Returns true if successful. */
- bool WriteChunk(cFile & a_File, Byte * a_LocationRaw);
-
+ bool WriteChunk(cFile & a_File, Byte * a_LocationRaw);
+
/** Uncompresses the chunk data from m_CompressedChunkData into m_RawChunkData.
Returns true if successful, false on failure. */
bool UncompressChunk(void);
-
+
/** Uncompresses the chunk data from m_CompressedChunkData into m_RawChunkData, using Gzip.
Returns true if successful, false on failure. */
bool UncompressChunkGzip(void);
-
+
/** Uncompresses the chunk data from m_CompressedChunkData into m_RawChunkData, using Zlib.
Returns true if successful, false on failure. */
bool UncompressChunkZlib(void);
-
+
/** Compresses the chunk data from m_RawChunkData into m_CompressedChunkData.
Returns true if successful, false on failure. */
bool CompressChunk(void);
-
+
// cIsThread overrides:
virtual void Execute(void) override;
} ;
-
+
typedef std::list<cThread *> cThreads;
-
-
+
+
/** The mutex protecting m_Files agains multithreaded access. */
cCriticalSection m_CS;
-
+
/** The queue of MCA files to be processed by the threads. Protected by m_CS. */
AStringVector m_Queue;
-
+
/** List of threads that the server has running. */
cThreads m_Threads;
-
+
/** The number of threads that should be started. Configurable on the command line. */
int m_NumThreads;
-
+
/** If set to true, the chunk data is recompressed while saving each MCA file. */
bool m_ShouldRecompress;
-
-
+
+
/** Starts a new processing thread and adds it to cThreads. */
void StartThread(void);
-
+
/** Retrieves one file from the queue (and removes it from the queue).
Returns an empty string when queue empty. */
AString GetNextFileName(void);
} ;
-
-
-
-