compression.cc File Reference

#include "compression/compression.h"
#include <alloca.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <algorithm>
#include <cassert>
#include <cstring>
#include "crypto/hash.h"
#include "util/exception.h"
#include "util/logging.h"
#include "util/platform.h"
#include "util/posix.h"
#include "util/smalloc.h"

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Namespaces
	zlib

Functions
static bool	CopyFile2File (FILE *fsrc, FILE *fdest)
bool	CopyPath2File (const std::string &src, FILE *fdest)
bool	CopyPath2Path (const string &src, const string &dest)
bool	CopyMem2File (const unsigned char *buffer, const unsigned buffer_size, FILE *fdest)
bool	CopyMem2Path (const unsigned char *buffer, const unsigned buffer_size, const string &path)
bool	CopyPath2Mem (const 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::DecompressZStream2Sink (const void *buf, const int64_t size, z_stream *strm, cvmfs::Sink *sink)
StreamStates	zlib::DecompressZStream2File (const void *buf, const int64_t size, z_stream *strm, FILE *f)
bool	zlib::CompressPath2Path (const string &src, const string &dest)
bool	zlib::CompressPath2Path (const string &src, const string &dest, shash::Any *compressed_hash)
bool	zlib::DecompressPath2Path (const string &src, const string &dest)
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::CompressPath2Null (const string &src, shash::Any *compressed_hash)
bool	zlib::CompressFile2File (FILE *fsrc, FILE *fdest)
bool	zlib::CompressPath2File (const string &src, FILE *fdest, shash::Any *compressed_hash)
bool	zlib::CompressFile2File (FILE *fsrc, FILE *fdest, shash::Any *compressed_hash)
bool	zlib::DecompressFile2File (FILE *fsrc, FILE *fdest)
bool	zlib::DecompressPath2File (const 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::kBufferSize = 32768

Function Documentation

static bool CopyFile2File ( FILE *  fsrc, FILE *  fdest  )

static

Definition at line 32 of file compression.cc.

Referenced by CopyPath2File(), and CopyPath2Path().

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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 string &	path
	)

Definition at line 94 of file compression.cc.

Referenced by main().

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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 string &	path,
		unsigned char **	buffer,
		unsigned *	buffer_size
	)

Definition at line 108 of file compression.cc.

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

Definition at line 63 of file compression.cc.

Referenced by swissknife::CommandFileStats::CatalogCallback(), PosixCacheManager::CommitTxn(), main(), and swissknife::CommandMigrate::UpdateUndoTags().

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