compression.h File Reference

#include <errno.h>
#include <stdint.h>
#include <stdio.h>
#include <string>
#include "duplex_zlib.h"
#include "network/sink.h"
#include "util/plugin.h"

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Classes
class	zlib::Compressor
class	zlib::ZlibCompressor
class	zlib::EchoCompressor

Namespaces
	shash
	zlib

Enumerations
enum	zlib::StreamStates { zlib::kStreamDataError = 0, zlib::kStreamIOError, zlib::kStreamContinue, zlib::kStreamEnd }
enum	zlib::Algorithms { zlib::kZlibDefault = 0, zlib::kNoCompression }

Functions
bool	CopyPath2Path (const std::string &src, const std::string &dest)
bool	CopyPath2File (const std::string &src, FILE *fdest)
bool	CopyMem2Path (const unsigned char *buffer, const unsigned buffer_size, const std::string &path)
bool	CopyMem2File (const unsigned char *buffer, const unsigned buffer_size, FILE *fdest)
bool	CopyPath2Mem (const std::string &path, unsigned char **buffer, unsigned *buffer_size)
Algorithms	zlib::ParseCompressionAlgorithm (const std::string &algorithm_option)
std::string	zlib::AlgorithmName (const zlib::Algorithms alg)
void	zlib::CompressInit (z_stream *strm)
void	zlib::DecompressInit (z_stream *strm)
void	zlib::CompressFini (z_stream *strm)
void	zlib::DecompressFini (z_stream *strm)
StreamStates	zlib::CompressZStream2Null (const void *buf, const int64_t size, const bool eof, z_stream *strm, shash::ContextPtr *hash_context)
StreamStates	zlib::DecompressZStream2File (const void *buf, const int64_t size, z_stream *strm, FILE *f)
StreamStates	zlib::DecompressZStream2Sink (const void *buf, const int64_t size, z_stream *strm, cvmfs::Sink *sink)
bool	zlib::CompressPath2Path (const std::string &src, const std::string &dest)
bool	zlib::CompressPath2Path (const std::string &src, const std::string &dest, shash::Any *compressed_hash)
bool	zlib::DecompressPath2Path (const std::string &src, const std::string &dest)
bool	zlib::CompressPath2Null (const std::string &src, shash::Any *compressed_hash)
bool	zlib::CompressFile2Null (FILE *fsrc, shash::Any *compressed_hash)
bool	zlib::CompressFd2Null (int fd_src, shash::Any *compressed_hash, uint64_t *processed_bytes)
bool	zlib::CompressFile2File (FILE *fsrc, FILE *fdest)
bool	zlib::CompressFile2File (FILE *fsrc, FILE *fdest, shash::Any *compressed_hash)
bool	zlib::CompressPath2File (const std::string &src, FILE *fdest, shash::Any *compressed_hash)
bool	zlib::DecompressFile2File (FILE *fsrc, FILE *fdest)
bool	zlib::DecompressPath2File (const std::string &src, FILE *fdest)
bool	zlib::CompressMem2File (const unsigned char *buf, const size_t size, FILE *fdest, shash::Any *compressed_hash)
bool	zlib::CompressMem2Mem (const void *buf, const int64_t size, void **out_buf, uint64_t *out_size)
bool	zlib::DecompressMem2Mem (const void *buf, const int64_t size, void **out_buf, uint64_t *out_size)

Variables
const unsigned	zlib::kZChunk = 16384

Function Documentation

bool CopyMem2File	(	const unsigned char *	buffer,
		const unsigned	buffer_size,
		FILE *	fdest
	)

Definition at line 86 of file compression.cc.

Referenced by swissknife::StoreBuffer().

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bool CopyMem2Path	(	const unsigned char *	buffer,
		const unsigned	buffer_size,
		const std::string &	path
	)

bool CopyPath2File	(	const std::string &	src,
		FILE *	fdest
	)

Definition at line 46 of file compression.cc.

Referenced by catalog::WritableCatalogManager::CopyCatalogToLocalCache(), catalog::SimpleCatalogManager::CopyCatalogToTempFile(), LocalObjectFetcher< CatalogT, HistoryT, ReflogT >::Fetch(), and swissknife::CommandCheck::FetchPath().

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bool CopyPath2Mem	(	const std::string &	path,
		unsigned char **	buffer,
		unsigned *	buffer_size
	)

bool CopyPath2Path	(	const std::string &	src,
		const std::string &	dest
	)