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author | Yann Collet <Cyan4973@users.noreply.github.com> | 2016-11-04 20:54:19 (GMT) |
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committer | GitHub <noreply@github.com> | 2016-11-04 20:54:19 (GMT) |
commit | 473acf5aa97ba28f1f079a0c37a78f12b5730695 (patch) | |
tree | bd3f5b73fabc831aafba686f6c7e055df20a5c0b /programs | |
parent | 10c5d5eee3b1afad66b3c5c6ce7640484acbad77 (diff) | |
parent | fbede33fd7f98f62d89031b4ee29cffdc90cceb8 (diff) | |
download | lz4-473acf5aa97ba28f1f079a0c37a78f12b5730695.zip lz4-473acf5aa97ba28f1f079a0c37a78f12b5730695.tar.gz lz4-473acf5aa97ba28f1f079a0c37a78f12b5730695.tar.bz2 |
Merge pull request #252 from inikep/dev
Dev
Diffstat (limited to 'programs')
-rw-r--r-- | programs/Makefile | 9 | ||||
-rw-r--r-- | programs/bench.c | 699 | ||||
-rw-r--r-- | programs/bench.h | 19 | ||||
-rw-r--r-- | programs/lz4cli.c | 64 | ||||
-rw-r--r-- | programs/util.h | 503 |
5 files changed, 959 insertions, 335 deletions
diff --git a/programs/Makefile b/programs/Makefile index ba01b40..39672b3 100644 --- a/programs/Makefile +++ b/programs/Makefile @@ -29,6 +29,7 @@ DESTDIR ?= PREFIX ?= /usr/local +VOID := /dev/null BINDIR := $(PREFIX)/bin MANDIR := $(PREFIX)/share/man/man1 LZ4DIR := ../lib @@ -43,10 +44,8 @@ FLAGS := $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) # Define *.exe as extension for Windows systems ifneq (,$(filter Windows%,$(OS))) EXT =.exe -VOID = nul else EXT = -VOID = /dev/null endif @@ -59,13 +58,13 @@ bins: lz4 lz4c all: bins m32 -lz4: $(LZ4DIR)/lz4.o $(LZ4DIR)/lz4hc.o $(LZ4DIR)/lz4frame.o $(LZ4DIR)/xxhash.o bench.o lz4io.o lz4cli.o +lz4: $(LZ4DIR)/lz4.o $(LZ4DIR)/lz4hc.o $(LZ4DIR)/lz4frame.o $(LZ4DIR)/xxhash.o bench.o lz4io.o lz4cli.o datagen.o $(CC) $(FLAGS) $^ -o $@$(EXT) -lz4c : $(LZ4DIR)/lz4.o $(LZ4DIR)/lz4hc.o $(LZ4DIR)/lz4frame.o $(LZ4DIR)/xxhash.o bench.o lz4io.o lz4cli.o +lz4c : $(LZ4DIR)/lz4.o $(LZ4DIR)/lz4hc.o $(LZ4DIR)/lz4frame.o $(LZ4DIR)/xxhash.o bench.o lz4io.o lz4cli.o datagen.o $(CC) $(FLAGS) -DENABLE_LZ4C_LEGACY_OPTIONS $^ -o $@$(EXT) -lz4c32: $(LZ4DIR)/lz4.c $(LZ4DIR)/lz4hc.c $(LZ4DIR)/lz4frame.c $(LZ4DIR)/xxhash.c bench.c lz4io.c lz4cli.c +lz4c32: $(LZ4DIR)/lz4.c $(LZ4DIR)/lz4hc.c $(LZ4DIR)/lz4frame.c $(LZ4DIR)/xxhash.c bench.c lz4io.c lz4cli.c datagen.c $(CC) -m32 $(FLAGS) -DENABLE_LZ4C_LEGACY_OPTIONS $^ -o $@$(EXT) clean: diff --git a/programs/bench.c b/programs/bench.c index bec93f9..33f5fcf 100644 --- a/programs/bench.c +++ b/programs/bench.c @@ -23,36 +23,18 @@ - LZ4 source repository : https://github.com/lz4/lz4 */ -/*-************************************ -* Compiler Options -***************************************/ -#if defined(_MSC_VER) || defined(_WIN32) -# define _CRT_SECURE_NO_WARNINGS -# define _CRT_SECURE_NO_DEPRECATE /* VS2005 */ -#endif - -/* Unix Large Files support (>4GB) */ -#define _FILE_OFFSET_BITS 64 -#if (defined(__sun__) && (!defined(__LP64__))) /* Sun Solaris 32-bits requires specific definitions */ -# define _LARGEFILE_SOURCE -#elif ! defined(__LP64__) /* No point defining Large file for 64 bit */ -# define _LARGEFILE64_SOURCE -#endif - -#if defined(__MINGW32__) && !defined(_POSIX_SOURCE) -# define _POSIX_SOURCE 1 /* disable %llu warnings with MinGW on Windows */ -#endif - -/*-************************************ +/* ************************************* * Includes ***************************************/ -#include <stdlib.h> /* malloc */ -#include <stdio.h> /* fprintf, fopen */ -#include <sys/types.h> /* stat64 */ -#include <sys/stat.h> /* stat64 */ -#include <time.h> /* clock_t, clock, CLOCKS_PER_SEC */ -#include <string.h> /* strlen */ +#include "util.h" /* Compiler options, UTIL_GetFileSize, UTIL_sleep */ +#include <stdlib.h> /* malloc, free */ +#include <string.h> /* memset */ +#include <stdio.h> /* fprintf, fopen, ftello64 */ +#include <time.h> /* clock_t, clock, CLOCKS_PER_SEC */ + +#include "datagen.h" /* RDG_genBuffer */ +#include "xxhash.h" #include "lz4.h" @@ -61,119 +43,327 @@ static int LZ4_compress_local(const char* src, char* dst, int srcSize, int dstSi #include "lz4hc.h" #define COMPRESSOR1 LZ4_compress_HC #define DEFAULTCOMPRESSOR COMPRESSOR0 - -#include "xxhash.h" +#define LZ4_isError(errcode) (errcode==0) -/*-************************************ -* Compiler specifics -***************************************/ -#if !defined(S_ISREG) -# define S_ISREG(x) (((x) & S_IFMT) == S_IFREG) -#endif - - -/*-************************************ -* Basic Types +/* ************************************* +* Constants ***************************************/ -#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L /* C99 */ -# include <stdint.h> - typedef uint8_t BYTE; - typedef uint16_t U16; - typedef uint32_t U32; - typedef int32_t S32; - typedef uint64_t U64; +#ifndef LZ4_GIT_COMMIT_STRING +# define LZ4_GIT_COMMIT_STRING "" #else - typedef unsigned char BYTE; - typedef unsigned short U16; - typedef unsigned int U32; - typedef signed int S32; - typedef unsigned long long U64; +# define LZ4_GIT_COMMIT_STRING LZ4_EXPAND_AND_QUOTE(LZ4_GIT_COMMIT) #endif - -/*-************************************ -* Constants -***************************************/ -#define NBLOOPS 3 -#define TIMELOOP_S 1 -#define TIMELOOP_CLOCK (TIMELOOP_S * CLOCKS_PER_SEC) +#define NBSECONDS 3 +#define TIMELOOP_MICROSEC 1*1000000ULL /* 1 second */ +#define ACTIVEPERIOD_MICROSEC 70*1000000ULL /* 70 seconds */ +#define COOLPERIOD_SEC 10 +#define DECOMP_MULT 2 /* test decompression DECOMP_MULT times longer than compression */ #define KB *(1 <<10) #define MB *(1 <<20) #define GB *(1U<<30) -#define MAX_MEM (2 GB - 64 MB) -#define DEFAULT_CHUNKSIZE (4 MB) +static const size_t maxMemory = (sizeof(size_t)==4) ? (2 GB - 64 MB) : (size_t)(1ULL << ((sizeof(size_t)*8)-31)); + +static U32 g_compressibilityDefault = 50; -/*-************************************ -* Local structures +/* ************************************* +* console display ***************************************/ -struct chunkParameters -{ - U32 id; - char* origBuffer; - char* compressedBuffer; - int origSize; - int compressedSize; -}; +#define DISPLAY(...) fprintf(stderr, __VA_ARGS__) +#define DISPLAYLEVEL(l, ...) if (g_displayLevel>=l) { DISPLAY(__VA_ARGS__); } +static U32 g_displayLevel = 2; /* 0 : no display; 1: errors; 2 : + result + interaction + warnings; 3 : + progression; 4 : + information */ -struct compressionParameters -{ - int (*compressionFunction)(const char* src, char* dst, int srcSize, int dstSize, int cLevel); - int (*decompressionFunction)(const char* src, char* dst, int dstSize); -}; +#define DISPLAYUPDATE(l, ...) if (g_displayLevel>=l) { \ + if ((clock() - g_time > refreshRate) || (g_displayLevel>=4)) \ + { g_time = clock(); DISPLAY(__VA_ARGS__); \ + if (g_displayLevel>=4) fflush(stdout); } } +static const clock_t refreshRate = CLOCKS_PER_SEC * 15 / 100; +static clock_t g_time = 0; -/*-************************************ -* Macro +/* ************************************* +* Exceptions ***************************************/ -#define DISPLAY(...) fprintf(stderr, __VA_ARGS__) +#ifndef DEBUG +# define DEBUG 0 +#endif +#define DEBUGOUTPUT(...) if (DEBUG) DISPLAY(__VA_ARGS__); +#define EXM_THROW(error, ...) \ +{ \ + DEBUGOUTPUT("Error defined at %s, line %i : \n", __FILE__, __LINE__); \ + DISPLAYLEVEL(1, "Error %i : ", error); \ + DISPLAYLEVEL(1, __VA_ARGS__); \ + DISPLAYLEVEL(1, "\n"); \ + exit(error); \ +} -/*-************************************ +/* ************************************* * Benchmark Parameters ***************************************/ -static int g_chunkSize = DEFAULT_CHUNKSIZE; -static int g_nbIterations = NBLOOPS; -static int BMK_pause = 0; +static U32 g_nbSeconds = NBSECONDS; +static size_t g_blockSize = 0; +int g_additionalParam = 0; -void BMK_setBlocksize(int bsize) { g_chunkSize = bsize; } +void BMK_setNotificationLevel(unsigned level) { g_displayLevel=level; } -void BMK_setNbIterations(int nbLoops) +void BMK_setAdditionalParam(int additionalParam) { g_additionalParam=additionalParam; } + +void BMK_SetNbSeconds(unsigned nbSeconds) { - g_nbIterations = nbLoops; - DISPLAY("- %i iterations -\n", g_nbIterations); + g_nbSeconds = nbSeconds; + DISPLAYLEVEL(3, "- test >= %u seconds per compression / decompression -\n", g_nbSeconds); } -void BMK_setPause(void) { BMK_pause = 1; } +void BMK_SetBlockSize(size_t blockSize) +{ + g_blockSize = blockSize; + DISPLAYLEVEL(2, "using blocks of size %u KB \n", (U32)(blockSize>>10)); +} -/*-******************************************************* -* Private functions +/* ******************************************************** +* Bench functions **********************************************************/ +typedef struct +{ + const char* srcPtr; + size_t srcSize; + char* cPtr; + size_t cRoom; + size_t cSize; + char* resPtr; + size_t resSize; +} blockParam_t; -/** BMK_getClockSpan() : - works even if overflow; Typical max span ~ 30 mn */ -static clock_t BMK_getClockSpan (clock_t clockStart) +struct compressionParameters { - return clock() - clockStart; + int (*compressionFunction)(const char* src, char* dst, int srcSize, int dstSize, int cLevel); +}; + +#define MIN(a,b) ((a)<(b) ? (a) : (b)) +#define MAX(a,b) ((a)>(b) ? (a) : (b)) + +static int BMK_benchMem(const void* srcBuffer, size_t srcSize, + const char* displayName, int cLevel, + const size_t* fileSizes, U32 nbFiles) +{ + size_t const blockSize = (g_blockSize>=32 ? g_blockSize : srcSize) + (!srcSize) /* avoid div by 0 */ ; + U32 const maxNbBlocks = (U32) ((srcSize + (blockSize-1)) / blockSize) + nbFiles; + blockParam_t* const blockTable = (blockParam_t*) malloc(maxNbBlocks * sizeof(blockParam_t)); + size_t const maxCompressedSize = LZ4_compressBound((int)srcSize) + (maxNbBlocks * 1024); /* add some room for safety */ + void* const compressedBuffer = malloc(maxCompressedSize); + void* const resultBuffer = malloc(srcSize); + U32 nbBlocks; + UTIL_time_t ticksPerSecond; + struct compressionParameters compP; + int cfunctionId; + + /* checks */ + if (!compressedBuffer || !resultBuffer || !blockTable) + EXM_THROW(31, "allocation error : not enough memory"); + + /* init */ + if (strlen(displayName)>17) displayName += strlen(displayName)-17; /* can only display 17 characters */ + UTIL_initTimer(&ticksPerSecond); + + /* Init */ + if (cLevel < LZ4HC_MIN_CLEVEL) cfunctionId = 0; else cfunctionId = 1; + switch (cfunctionId) + { +#ifdef COMPRESSOR0 + case 0 : compP.compressionFunction = COMPRESSOR0; break; +#endif +#ifdef COMPRESSOR1 + case 1 : compP.compressionFunction = COMPRESSOR1; break; +#endif + default : compP.compressionFunction = DEFAULTCOMPRESSOR; + } + + /* Init blockTable data */ + { const char* srcPtr = (const char*)srcBuffer; + char* cPtr = (char*)compressedBuffer; + char* resPtr = (char*)resultBuffer; + U32 fileNb; + for (nbBlocks=0, fileNb=0; fileNb<nbFiles; fileNb++) { + size_t remaining = fileSizes[fileNb]; + U32 const nbBlocksforThisFile = (U32)((remaining + (blockSize-1)) / blockSize); + U32 const blockEnd = nbBlocks + nbBlocksforThisFile; + for ( ; nbBlocks<blockEnd; nbBlocks++) { + size_t const thisBlockSize = MIN(remaining, blockSize); + blockTable[nbBlocks].srcPtr = srcPtr; + blockTable[nbBlocks].cPtr = cPtr; + blockTable[nbBlocks].resPtr = resPtr; + blockTable[nbBlocks].srcSize = thisBlockSize; + blockTable[nbBlocks].cRoom = LZ4_compressBound((int)thisBlockSize); + srcPtr += thisBlockSize; + cPtr += blockTable[nbBlocks].cRoom; + resPtr += thisBlockSize; + remaining -= thisBlockSize; + } } } + + /* warmimg up memory */ + RDG_genBuffer(compressedBuffer, maxCompressedSize, 0.10, 0.50, 1); + + /* Bench */ + { U64 fastestC = (U64)(-1LL), fastestD = (U64)(-1LL); + U64 const crcOrig = XXH64(srcBuffer, srcSize, 0); + UTIL_time_t coolTime; + U64 const maxTime = (g_nbSeconds * TIMELOOP_MICROSEC) + 100; + U64 totalCTime=0, totalDTime=0; + U32 cCompleted=0, dCompleted=0; +# define NB_MARKS 4 + const char* const marks[NB_MARKS] = { " |", " /", " =", "\\" }; + U32 markNb = 0; + size_t cSize = 0; + double ratio = 0.; + + UTIL_getTime(&coolTime); + DISPLAYLEVEL(2, "\r%79s\r", ""); + while (!cCompleted | !dCompleted) { + UTIL_time_t clockStart; + U64 clockLoop = g_nbSeconds ? TIMELOOP_MICROSEC : 1; + + /* overheat protection */ + if (UTIL_clockSpanMicro(coolTime, ticksPerSecond) > ACTIVEPERIOD_MICROSEC) { + DISPLAYLEVEL(2, "\rcooling down ... \r"); + UTIL_sleep(COOLPERIOD_SEC); + UTIL_getTime(&coolTime); + } + + /* Compression */ + DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->\r", marks[markNb], displayName, (U32)srcSize); + if (!cCompleted) memset(compressedBuffer, 0xE5, maxCompressedSize); /* warm up and erase result buffer */ + + UTIL_sleepMilli(1); /* give processor time to other processes */ + UTIL_waitForNextTick(ticksPerSecond); + UTIL_getTime(&clockStart); + + if (!cCompleted) { /* still some time to do compression tests */ + U32 nbLoops = 0; + do { + U32 blockNb; + for (blockNb=0; blockNb<nbBlocks; blockNb++) { + size_t const rSize = compP.compressionFunction(blockTable[blockNb].srcPtr, blockTable[blockNb].cPtr, (int)blockTable[blockNb].srcSize, (int)blockTable[blockNb].cRoom, cLevel); + if (LZ4_isError(rSize)) EXM_THROW(1, "LZ4_compress() failed"); + blockTable[blockNb].cSize = rSize; + } + nbLoops++; + } while (UTIL_clockSpanMicro(clockStart, ticksPerSecond) < clockLoop); + { U64 const clockSpan = UTIL_clockSpanMicro(clockStart, ticksPerSecond); + if (clockSpan < fastestC*nbLoops) fastestC = clockSpan / nbLoops; + totalCTime += clockSpan; + cCompleted = totalCTime>maxTime; + } } + + cSize = 0; + { U32 blockNb; for (blockNb=0; blockNb<nbBlocks; blockNb++) cSize += blockTable[blockNb].cSize; } + ratio = (double)srcSize / (double)cSize; + markNb = (markNb+1) % NB_MARKS; + DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->%10u (%5.3f),%6.1f MB/s\r", + marks[markNb], displayName, (U32)srcSize, (U32)cSize, ratio, + (double)srcSize / fastestC ); + + (void)fastestD; (void)crcOrig; /* unused when decompression disabled */ +#if 1 + /* Decompression */ + if (!dCompleted) memset(resultBuffer, 0xD6, srcSize); /* warm result buffer */ + + UTIL_sleepMilli(1); /* give processor time to other processes */ + UTIL_waitForNextTick(ticksPerSecond); + UTIL_getTime(&clockStart); + + if (!dCompleted) { + U32 nbLoops = 0; + do { + U32 blockNb; + for (blockNb=0; blockNb<nbBlocks; blockNb++) { + size_t const regenSize = LZ4_decompress_safe(blockTable[blockNb].cPtr, blockTable[blockNb].resPtr, (int)blockTable[blockNb].cSize, (int)blockTable[blockNb].srcSize); + if (LZ4_isError(regenSize)) { + DISPLAY("LZ4_decompress_safe() failed on block %u \n", blockNb); + clockLoop = 0; /* force immediate test end */ + break; + } + + blockTable[blockNb].resSize = regenSize; + } + nbLoops++; + } while (UTIL_clockSpanMicro(clockStart, ticksPerSecond) < DECOMP_MULT*clockLoop); + { U64 const clockSpan = UTIL_clockSpanMicro(clockStart, ticksPerSecond); + if (clockSpan < fastestD*nbLoops) fastestD = clockSpan / nbLoops; + totalDTime += clockSpan; + dCompleted = totalDTime>(DECOMP_MULT*maxTime); + } } + + markNb = (markNb+1) % NB_MARKS; + DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->%10u (%5.3f),%6.1f MB/s ,%6.1f MB/s\r", + marks[markNb], displayName, (U32)srcSize, (U32)cSize, ratio, + (double)srcSize / fastestC, + (double)srcSize / fastestD ); + + /* CRC Checking */ + { U64 const crcCheck = XXH64(resultBuffer, srcSize, 0); + if (crcOrig!=crcCheck) { + size_t u; + DISPLAY("!!! WARNING !!! %14s : Invalid Checksum : %x != %x \n", displayName, (unsigned)crcOrig, (unsigned)crcCheck); + for (u=0; u<srcSize; u++) { + if (((const BYTE*)srcBuffer)[u] != ((const BYTE*)resultBuffer)[u]) { + U32 segNb, bNb, pos; + size_t bacc = 0; + DISPLAY("Decoding error at pos %u ", (U32)u); + for (segNb = 0; segNb < nbBlocks; segNb++) { + if (bacc + blockTable[segNb].srcSize > u) break; + bacc += blockTable[segNb].srcSize; + } + pos = (U32)(u - bacc); + bNb = pos / (128 KB); + DISPLAY("(block %u, sub %u, pos %u) \n", segNb, bNb, pos); + break; + } + if (u==srcSize-1) { /* should never happen */ + DISPLAY("no difference detected\n"); + } } + break; + } } /* CRC Checking */ +#endif + } /* for (testNb = 1; testNb <= (g_nbSeconds + !g_nbSeconds); testNb++) */ + + if (g_displayLevel == 1) { + double cSpeed = (double)srcSize / fastestC; + double dSpeed = (double)srcSize / fastestD; + if (g_additionalParam) + DISPLAY("-%-3i%11i (%5.3f) %6.2f MB/s %6.1f MB/s %s (param=%d)\n", cLevel, (int)cSize, ratio, cSpeed, dSpeed, displayName, g_additionalParam); + else + DISPLAY("-%-3i%11i (%5.3f) %6.2f MB/s %6.1f MB/s %s\n", cLevel, (int)cSize, ratio, cSpeed, dSpeed, displayName); + } + DISPLAYLEVEL(2, "%2i#\n", cLevel); + } /* Bench */ + + /* clean up */ + free(blockTable); + free(compressedBuffer); + free(resultBuffer); + return 0; } + static size_t BMK_findMaxMem(U64 requiredMem) { - size_t const step = 64 MB; - void* testmem = NULL; + size_t step = 64 MB; + BYTE* testmem=NULL; requiredMem = (((requiredMem >> 26) + 1) << 26); requiredMem += 2*step; - if (requiredMem > MAX_MEM) requiredMem = MAX_MEM; + if (requiredMem > maxMemory) requiredMem = maxMemory; while (!testmem) { if (requiredMem > step) requiredMem -= step; else requiredMem >>= 1; - testmem = malloc ((size_t)requiredMem); + testmem = (BYTE*) malloc ((size_t)requiredMem); } free (testmem); @@ -184,225 +374,130 @@ static size_t BMK_findMaxMem(U64 requiredMem) return (size_t)requiredMem; } -static U64 BMK_GetFileSize(const char* infilename) + +static void BMK_benchCLevel(void* srcBuffer, size_t benchedSize, + const char* displayName, int cLevel, int cLevelLast, + const size_t* fileSizes, unsigned nbFiles) { - int r; -#if defined(_MSC_VER) - struct _stat64 statbuf; - r = _stat64(infilename, &statbuf); -#else - struct stat statbuf; - r = stat(infilename, &statbuf); -#endif - if (r || !S_ISREG(statbuf.st_mode)) return 0; /* No good... */ - return (U64)statbuf.st_size; -} + int l; + const char* pch = strrchr(displayName, '\\'); /* Windows */ + if (!pch) pch = strrchr(displayName, '/'); /* Linux */ + if (pch) displayName = pch+1; -/*-******************************************************* -* Public function -**********************************************************/ + SET_HIGH_PRIORITY; -int BMK_benchLevel(const char** fileNamesTable, int nbFiles, int cLevel) -{ - int fileIdx=0; - char* orig_buff; - struct compressionParameters compP; - int cfunctionId; - - U64 totals = 0; - U64 totalz = 0; - double totalc = 0.; - double totald = 0.; - - /* Init */ - if (cLevel < LZ4HC_MIN_CLEVEL) cfunctionId = 0; else cfunctionId = 1; - switch (cfunctionId) - { -#ifdef COMPRESSOR0 - case 0 : compP.compressionFunction = COMPRESSOR0; break; -#endif -#ifdef COMPRESSOR1 - case 1 : compP.compressionFunction = COMPRESSOR1; break; -#endif - default : compP.compressionFunction = DEFAULTCOMPRESSOR; - } - - /* Loop for each file */ - while (fileIdx<nbFiles) { - const char* inFileName = fileNamesTable[fileIdx++]; - FILE* const inFile = fopen( inFileName, "rb" ); - U64 const inFileSize = BMK_GetFileSize(inFileName); - size_t benchedSize = BMK_findMaxMem(inFileSize * 2) / 2; - unsigned nbChunks; - int maxCompressedChunkSize; - size_t readSize; - char* compressedBuffer; - struct chunkParameters* chunkP; - U32 crcOrig; - - /* Check file and memory conditions */ - if (inFile==NULL) { DISPLAY( "Pb opening %s\n", inFileName); return 11; } - if (inFileSize==0) { DISPLAY( "file is empty\n"); fclose(inFile); return 11; } - if (benchedSize==0) { DISPLAY( "not enough memory\n"); fclose(inFile); return 11; } - if ((U64)benchedSize > inFileSize) benchedSize = (size_t)inFileSize; - if (benchedSize < inFileSize) { - DISPLAY("Not enough memory for '%s' full size; testing %u MB only...\n", inFileName, (unsigned)(benchedSize>>20)); - } - - /* Allocation */ - nbChunks = (unsigned)(benchedSize / g_chunkSize) + 1; - chunkP = (struct chunkParameters*) malloc(nbChunks * sizeof(struct chunkParameters)); - orig_buff = (char*)malloc(benchedSize); - maxCompressedChunkSize = LZ4_compressBound(g_chunkSize); - { size_t const compressedBuffSize = (size_t)(nbChunks * maxCompressedChunkSize); - compressedBuffer = (char*)malloc(compressedBuffSize); } - - if (!orig_buff || !compressedBuffer){ - DISPLAY("\nError: not enough memory!\n"); - free(orig_buff); - free(compressedBuffer); - free(chunkP); - fclose(inFile); - return 12; - } - - /* Init chunks data */ - { unsigned i; - size_t remaining = benchedSize; - char* in = orig_buff; - char* out = compressedBuffer; - for (i=0; i<nbChunks; i++) { - chunkP[i].id = i; - chunkP[i].origBuffer = in; in += g_chunkSize; - if (remaining > (size_t)g_chunkSize) { chunkP[i].origSize = g_chunkSize; remaining -= g_chunkSize; } else { chunkP[i].origSize = (int)remaining; remaining = 0; } - chunkP[i].compressedBuffer = out; out += maxCompressedChunkSize; - chunkP[i].compressedSize = 0; - } } - - /* Fill input buffer */ - DISPLAY("Loading %s... \r", inFileName); - if (strlen(inFileName)>16) inFileName += strlen(inFileName)-16; /* can only display 16 characters */ - readSize = fread(orig_buff, 1, benchedSize, inFile); - fclose(inFile); - - if (readSize != benchedSize) { - DISPLAY("\nError: problem reading file '%s' !! \n", inFileName); - free(orig_buff); - free(compressedBuffer); - free(chunkP); - return 13; - } - - /* Calculating input Checksum */ - crcOrig = XXH32(orig_buff, benchedSize,0); - - /* Bench */ - { int loopNb; - size_t cSize = 0; - double fastestC = 100000000., fastestD = 100000000.; - double ratio = 0.; - U32 crcCheck = 0; - - DISPLAY("\r%79s\r", ""); - for (loopNb = 1; loopNb <= g_nbIterations; loopNb++) { - int nbLoops = 0; - clock_t clockStart, clockEnd; - unsigned chunkNb; - - /* Compression */ - DISPLAY("%2i#%1i-%-14.14s : %9i ->\r", cLevel, loopNb, inFileName, (int)benchedSize); - { size_t i; for (i=0; i<benchedSize; i++) compressedBuffer[i]=(char)i; } /* warmimg up memory */ - - clockStart = clock(); - while (clock() == clockStart); - clockStart = clock(); - while (BMK_getClockSpan(clockStart) < TIMELOOP_CLOCK) { - for (chunkNb=0; chunkNb<nbChunks; chunkNb++) - chunkP[chunkNb].compressedSize = compP.compressionFunction(chunkP[chunkNb].origBuffer, chunkP[chunkNb].compressedBuffer, chunkP[chunkNb].origSize, maxCompressedChunkSize, cLevel); - nbLoops++; - } - clockEnd = BMK_getClockSpan(clockStart); - - nbLoops += !nbLoops; /* avoid division by zero */ - if ((double)clockEnd < fastestC*nbLoops) fastestC = (double)clockEnd/nbLoops; - cSize=0; for (chunkNb=0; chunkNb<nbChunks; chunkNb++) cSize += chunkP[chunkNb].compressedSize; - ratio = (double)cSize/(double)benchedSize*100.; - - DISPLAY("%2i#%1i-%-14.14s : %9i -> %9i (%5.2f%%),%7.1f MB/s\r", - cLevel, loopNb, inFileName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / (fastestC / CLOCKS_PER_SEC) / 1000000); - - /* Decompression */ - { size_t i; for (i=0; i<benchedSize; i++) orig_buff[i]=0; } /* zeroing area, for CRC checking */ - - nbLoops = 0; - clockStart = clock(); - while (clock() == clockStart); - clockStart = clock(); - while (BMK_getClockSpan(clockStart) < TIMELOOP_CLOCK) { - for (chunkNb=0; chunkNb<nbChunks; chunkNb++) - //chunkP[chunkNb].compressedSize = LZ4_decompress_fast(chunkP[chunkNb].compressedBuffer, chunkP[chunkNb].origBuffer, chunkP[chunkNb].origSize); - LZ4_decompress_safe(chunkP[chunkNb].compressedBuffer, chunkP[chunkNb].origBuffer, chunkP[chunkNb].compressedSize, chunkP[chunkNb].origSize); - nbLoops++; - } - clockEnd = BMK_getClockSpan(clockStart); - - nbLoops += !nbLoops; /* avoid division by zero */ - if ((double)clockEnd < fastestD*nbLoops) fastestD = (double)clockEnd/nbLoops; - DISPLAY("%2i#%1i-%-14.14s : %9i -> %9i (%5.2f%%),%7.1f MB/s ,%7.1f MB/s \r", - cLevel, loopNb, inFileName, (int)benchedSize, (int)cSize, ratio, - (double)benchedSize / (fastestC / CLOCKS_PER_SEC) / 1000000, (double)benchedSize / (fastestD / CLOCKS_PER_SEC) / 1000000 ); - - /* CRC Checking */ - crcCheck = XXH32(orig_buff, benchedSize,0); - if (crcOrig!=crcCheck) { DISPLAY("\n!!! WARNING !!! %14s : Invalid Checksum : %x != %x\n", inFileName, (unsigned)crcOrig, (unsigned)crcCheck); break; } - } + if (g_displayLevel == 1 && !g_additionalParam) + DISPLAY("bench %s %s: input %u bytes, %u seconds, %u KB blocks\n", LZ4_VERSION_STRING, LZ4_GIT_COMMIT_STRING, (U32)benchedSize, g_nbSeconds, (U32)(g_blockSize>>10)); - if (crcOrig==crcCheck) { - if (ratio < 100.) - DISPLAY("%2i#%-16.16s : %9i -> %9i (%5.2f%%),%7.1f MB/s ,%7.1f MB/s \n", - cLevel, inFileName, (int)benchedSize, (int)cSize, ratio, - (double)benchedSize / (fastestC / CLOCKS_PER_SEC) / 1000000, (double)benchedSize / (fastestD / CLOCKS_PER_SEC) / 1000000 ); - else - DISPLAY("%2i#%-16.16s : %9i -> %9i (%5.1f%%),%7.1f MB/s ,%7.1f MB/s \n", - cLevel, inFileName, (int)benchedSize, (int)cSize, ratio, - (double)benchedSize / (fastestC / CLOCKS_PER_SEC) / 1000000, (double)benchedSize / (fastestD / CLOCKS_PER_SEC) / 1000000 ); - } - totals += benchedSize; - totalz += cSize; - totalc += fastestC; - totald += fastestD; - } + if (cLevelLast < cLevel) cLevelLast = cLevel; - free(orig_buff); - free(compressedBuffer); - free(chunkP); - } + for (l=cLevel; l <= cLevelLast; l++) { + BMK_benchMem(srcBuffer, benchedSize, + displayName, l, + fileSizes, nbFiles); + } +} - if (nbFiles > 1) - DISPLAY("%2i#%-16.16s :%10llu ->%10llu (%5.2f%%), %6.1f MB/s , %6.1f MB/s\n", cLevel, " TOTAL", - (long long unsigned)totals, (long long unsigned int)totalz, (double)totalz/(double)totals*100., - (double)totals/(totalc/CLOCKS_PER_SEC)/1000000, (double)totals/(totald/CLOCKS_PER_SEC)/1000000); - if (BMK_pause) { DISPLAY("\npress enter...\n"); (void)getchar(); } +/*! BMK_loadFiles() : + Loads `buffer` with content of files listed within `fileNamesTable`. + At most, fills `buffer` entirely */ +static void BMK_loadFiles(void* buffer, size_t bufferSize, + size_t* fileSizes, + const char** fileNamesTable, unsigned nbFiles) +{ + size_t pos = 0, totalSize = 0; + unsigned n; + for (n=0; n<nbFiles; n++) { + FILE* f; + U64 fileSize = UTIL_getFileSize(fileNamesTable[n]); + if (UTIL_isDirectory(fileNamesTable[n])) { + DISPLAYLEVEL(2, "Ignoring %s directory... \n", fileNamesTable[n]); + fileSizes[n] = 0; + continue; + } + f = fopen(fileNamesTable[n], "rb"); + if (f==NULL) EXM_THROW(10, "impossible to open file %s", fileNamesTable[n]); + DISPLAYUPDATE(2, "Loading %s... \r", fileNamesTable[n]); + if (fileSize > bufferSize-pos) fileSize = bufferSize-pos, nbFiles=n; /* buffer too small - stop after this file */ + { size_t const readSize = fread(((char*)buffer)+pos, 1, (size_t)fileSize, f); + if (readSize != (size_t)fileSize) EXM_THROW(11, "could not read %s", fileNamesTable[n]); + pos += readSize; } + fileSizes[n] = (size_t)fileSize; + totalSize += (size_t)fileSize; + fclose(f); + } - return 0; + if (totalSize == 0) EXM_THROW(12, "no data to bench"); } +static void BMK_benchFileTable(const char** fileNamesTable, unsigned nbFiles, + int cLevel, int cLevelLast) +{ + void* srcBuffer; + size_t benchedSize; + size_t* fileSizes = (size_t*)malloc(nbFiles * sizeof(size_t)); + U64 const totalSizeToLoad = UTIL_getTotalFileSize(fileNamesTable, nbFiles); + char mfName[20] = {0}; + + if (!fileSizes) EXM_THROW(12, "not enough memory for fileSizes"); + + /* Memory allocation & restrictions */ + benchedSize = BMK_findMaxMem(totalSizeToLoad * 3) / 3; + if (benchedSize==0) EXM_THROW(12, "not enough memory"); + if ((U64)benchedSize > totalSizeToLoad) benchedSize = (size_t)totalSizeToLoad; + if (benchedSize < totalSizeToLoad) + DISPLAY("Not enough memory; testing %u MB only...\n", (U32)(benchedSize >> 20)); + srcBuffer = malloc(benchedSize); + if (!srcBuffer) EXM_THROW(12, "not enough memory"); + + /* Load input buffer */ + BMK_loadFiles(srcBuffer, benchedSize, fileSizes, fileNamesTable, nbFiles); + + /* Bench */ + snprintf (mfName, sizeof(mfName), " %u files", nbFiles); + { const char* displayName = (nbFiles > 1) ? mfName : fileNamesTable[0]; + BMK_benchCLevel(srcBuffer, benchedSize, + displayName, cLevel, cLevelLast, + fileSizes, nbFiles); + } -int BMK_benchFiles(const char** fileNamesTable, int nbFiles, int cLevel, int cLevelLast) + /* clean up */ + free(srcBuffer); + free(fileSizes); +} + + +static void BMK_syntheticTest(int cLevel, int cLevelLast, double compressibility) { - int i, res = 0; + char name[20] = {0}; + size_t benchedSize = 10000000; + void* const srcBuffer = malloc(benchedSize); - if (cLevel > LZ4HC_MAX_CLEVEL) cLevel = LZ4HC_MAX_CLEVEL; - if (cLevelLast > LZ4HC_MAX_CLEVEL) cLevelLast = LZ4HC_MAX_CLEVEL; - if (cLevelLast < cLevel) cLevelLast = cLevel; + /* Memory allocation */ + if (!srcBuffer) EXM_THROW(21, "not enough memory"); - if (cLevelLast > cLevel) DISPLAY("Benchmarking levels from %d to %d\n", cLevel, cLevelLast); - for (i=cLevel; i<=cLevelLast; i++) { - res = BMK_benchLevel(fileNamesTable, nbFiles, i); - if (res != 0) break; - } + /* Fill input buffer */ + RDG_genBuffer(srcBuffer, benchedSize, compressibility, 0.0, 0); + + /* Bench */ + snprintf (name, sizeof(name), "Synthetic %2u%%", (unsigned)(compressibility*100)); + BMK_benchCLevel(srcBuffer, benchedSize, name, cLevel, cLevelLast, &benchedSize, 1); + + /* clean up */ + free(srcBuffer); +} + + +int BMK_benchFiles(const char** fileNamesTable, unsigned nbFiles, + int cLevel, int cLevelLast) +{ + double const compressibility = (double)g_compressibilityDefault / 100; - return res; + if (nbFiles == 0) + BMK_syntheticTest(cLevel, cLevelLast, compressibility); + else + BMK_benchFileTable(fileNamesTable, nbFiles, cLevel, cLevelLast); + return 0; } diff --git a/programs/bench.h b/programs/bench.h index e84aaee..15def93 100644 --- a/programs/bench.h +++ b/programs/bench.h @@ -1,6 +1,6 @@ /* bench.h - Demo program to benchmark open-source compression algorithm - Copyright (C) Yann Collet 2012-2015 + Copyright (C) Yann Collet 2012-2016 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -20,15 +20,18 @@ - LZ4 source repository : https://github.com/lz4/lz4 - LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c */ -#pragma once +#ifndef BENCH_H_125623623633 +#define BENCH_H_125623623633 +#include <stddef.h> -/* Main function */ -int BMK_benchFiles(const char** fileNamesTable, int nbFiles, int cLevel, int cLevelLast); -int BMK_benchLevel(const char** fileNamesTable, int nbFiles, int cLevel); +int BMK_benchFiles(const char** fileNamesTable, unsigned nbFiles, + int cLevel, int cLevelLast); /* Set Parameters */ -void BMK_setBlocksize(int bsize); -void BMK_setNbIterations(int nbLoops); -void BMK_setPause(void); +void BMK_SetNbSeconds(unsigned nbLoops); +void BMK_SetBlockSize(size_t blockSize); +void BMK_setAdditionalParam(int additionalParam); +void BMK_setNotificationLevel(unsigned level); +#endif /* BENCH_H_125623623633 */ diff --git a/programs/lz4cli.c b/programs/lz4cli.c index f77be3d..e49bbcb 100644 --- a/programs/lz4cli.c +++ b/programs/lz4cli.c @@ -42,13 +42,6 @@ /************************************** * Compiler Options ***************************************/ -/* Disable some Visual warning messages */ -#ifdef _MSC_VER -# define _CRT_SECURE_NO_WARNINGS -# define _CRT_SECURE_NO_DEPRECATE /* VS2005 */ -# pragma warning(disable : 4127) /* disable: C4127: conditional expression is constant */ -#endif - /* cf. http://man7.org/linux/man-pages/man7/feature_test_macros.7.html */ #define _XOPEN_VERSION 600 /* POSIX.2001, for fileno() within <stdio.h> on unix */ @@ -56,6 +49,7 @@ /**************************** * Includes *****************************/ +#include "util.h" /* Compiler options, UTIL_HAS_CREATEFILELIST */ #include <stdio.h> /* fprintf, getchar */ #include <stdlib.h> /* exit, calloc, free */ #include <string.h> /* strcmp, strlen */ @@ -171,6 +165,9 @@ static int usage_advanced(void) DISPLAY( " -c : force write to standard output, even if it is the console\n"); DISPLAY( " -t : test compressed file integrity\n"); DISPLAY( " -m : multiple input files (implies automatic output filenames)\n"); +#ifdef UTIL_HAS_CREATEFILELIST + DISPLAY( " -r : operate recursively on directories (sets also -m)\n"); +#endif DISPLAY( " -l : compress using Legacy format (Linux kernel compression)\n"); DISPLAY( " -B# : Block size [4-7](default : 7)\n"); DISPLAY( " -BD : Block dependency (improve compression ratio)\n"); @@ -179,10 +176,9 @@ static int usage_advanced(void) DISPLAY( "--content-size : compressed frame includes original size (default:not present)\n"); DISPLAY( "--[no-]sparse : sparse mode (default:enabled on file, disabled on stdout)\n"); DISPLAY( "Benchmark arguments :\n"); - DISPLAY( "Benchmark arguments :\n"); DISPLAY( " -b# : benchmark file(s), using # compression level (default : 1) \n"); - DISPLAY( " -e# : test all compression levels from -bX to # (default: 1)\n"); - DISPLAY( " -i# : iteration loops [1-9](default : 3), benchmark mode only\n"); + DISPLAY( " -e# : test all compression levels from -bX to # (default : 1)\n"); + DISPLAY( " -i# : minimum evaluation time in seconds (default : 3s)\n"); #if defined(ENABLE_LZ4C_LEGACY_OPTIONS) DISPLAY( "Legacy arguments :\n"); DISPLAY( " -c0 : fast compression\n"); @@ -304,6 +300,11 @@ int main(int argc, const char** argv) char nullOutput[] = NULL_OUTPUT; char extension[] = LZ4_EXTENSION; int blockSize; +#ifdef UTIL_HAS_CREATEFILELIST + const char** extendedFileList = NULL; + char* fileNamesBuf = NULL; + unsigned fileNamesNb, recursive=0; +#endif /* Init */ programName = argv[0]; @@ -419,7 +420,7 @@ int main(int argc, const char** argv) case '7': { int B = argument[1] - '0'; blockSize = LZ4IO_setBlockSizeID(B); - BMK_setBlocksize(blockSize); + BMK_SetBlockSize(blockSize); argument++; break; } @@ -437,24 +438,28 @@ int main(int argc, const char** argv) inFileNames = (const char**) malloc(argc * sizeof(char*)); break; +#ifdef UTIL_HAS_CREATEFILELIST + /* recursive */ + case 'r': recursive=1; /* without break */ +#endif /* Treat non-option args as input files. See https://code.google.com/p/lz4/issues/detail?id=151 */ case 'm': multiple_inputs=1; if (inFileNames == NULL) inFileNames = (const char**) malloc(argc * sizeof(char*)); break; - /* Modify Nb Iterations (benchmark only) */ + /* Modify Nb Seconds (benchmark only) */ case 'i': { unsigned iters; argument++; iters = readU32FromChar(&argument); argument--; - BMK_setNbIterations(iters); + BMK_SetNbSeconds(iters); } break; /* Pause at the end (hidden option) */ - case 'p': main_pause=1; BMK_setPause(); break; + case 'p': main_pause=1; break; /* Specific commands for customized versions */ EXTENDED_ARGUMENTS; @@ -487,7 +492,22 @@ int main(int argc, const char** argv) if (!decode) DISPLAYLEVEL(4, "Blocks size : %i KB\n", blockSize>>10); /* No input filename ==> use stdin */ - if (multiple_inputs) input_filename = inFileNames[0], output_filename = (const char*)(inFileNames[0]); + if (multiple_inputs) { + input_filename = inFileNames[0]; + output_filename = (const char*)(inFileNames[0]); +#ifdef UTIL_HAS_CREATEFILELIST + if (recursive) { /* at this stage, filenameTable is a list of paths, which can contain both files and directories */ + extendedFileList = UTIL_createFileList(inFileNames, ifnIdx, &fileNamesBuf, &fileNamesNb); + if (extendedFileList) { + unsigned u; + for (u=0; u<fileNamesNb; u++) DISPLAYLEVEL(4, "%u %s\n", u, extendedFileList[u]); + free((void*)inFileNames); + inFileNames = extendedFileList; + ifnIdx = fileNamesNb; + } + } +#endif + } if(!input_filename) { input_filename=stdinmark; } /* Check if input is defined as console; trigger an error in this case */ @@ -498,9 +518,8 @@ int main(int argc, const char** argv) /* Check if benchmark is selected */ if (bench) { - int bmkResult = BMK_benchFiles(inFileNames, ifnIdx, cLevel, cLevelLast); - free((void*)inFileNames); - return bmkResult; + operationResult = BMK_benchFiles(inFileNames, ifnIdx, cLevel, cLevelLast); + goto _cleanup; } /* No output filename ==> try to select one automatically (when possible) */ @@ -566,7 +585,12 @@ int main(int argc, const char** argv) _cleanup: if (main_pause) waitEnter(); - free(dynNameSpace); - free((void*)inFileNames); + if (dynNameSpace) free(dynNameSpace); +#ifdef UTIL_HAS_CREATEFILELIST + if (extendedFileList) + UTIL_freeFileList(extendedFileList, fileNamesBuf); + else +#endif + free((void*)inFileNames); return operationResult; } diff --git a/programs/util.h b/programs/util.h new file mode 100644 index 0000000..d76ce6a --- /dev/null +++ b/programs/util.h @@ -0,0 +1,503 @@ +/* + util.h - utility functions + Copyright (C) 2016-present, Przemyslaw Skibinski, Yann Collet + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + + You can contact the author at : + - LZ4 source repository : https://github.com/lz4/lz4 + - LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c +*/ +#ifndef UTIL_H_MODULE +#define UTIL_H_MODULE + +#if defined (__cplusplus) +extern "C" { +#endif + +/* ************************************** +* Compiler Options +****************************************/ +#if defined(__INTEL_COMPILER) +# pragma warning(disable : 177) /* disable: message #177: function was declared but never referenced */ +#endif +#if defined(_MSC_VER) +# define _CRT_SECURE_NO_WARNINGS /* Disable some Visual warning messages for fopen, strncpy */ +# define _CRT_SECURE_NO_DEPRECATE /* VS2005 */ +# pragma warning(disable : 4127) /* disable: C4127: conditional expression is constant */ +#if _MSC_VER <= 1800 /* (1800 = Visual Studio 2013) */ + #define snprintf sprintf_s /* snprintf unsupported by Visual <= 2013 */ +#endif +#endif + + +/* Unix Large Files support (>4GB) */ +#if !defined(__LP64__) /* No point defining Large file for 64 bit */ +# define _FILE_OFFSET_BITS 64 /* turn off_t into a 64-bit type for ftello, fseeko */ +# if defined(__sun__) && !defined(_LARGEFILE_SOURCE) /* Sun Solaris 32-bits requires specific definitions */ +# define _LARGEFILE_SOURCE /* fseeko, ftello */ +# elif !defined(_LARGEFILE64_SOURCE) +# define _LARGEFILE64_SOURCE /* off64_t, fseeko64, ftello64 */ +# endif +#endif + + +/*-**************************************** +* Dependencies +******************************************/ +#include <stdlib.h> /* features.h with _POSIX_C_SOURCE, malloc */ +#include <stdio.h> /* fprintf */ +#include <string.h> /* strerr, strlen, memcpy */ +#include <stddef.h> /* ptrdiff_t */ +#include <sys/types.h> /* stat, utime */ +#include <sys/stat.h> /* stat */ +#if defined(_MSC_VER) + #include <sys/utime.h> /* utime */ + #include <io.h> /* _chmod */ +#else + #include <unistd.h> /* chown, stat */ + #include <utime.h> /* utime */ +#endif +#include <time.h> /* time */ +#include <errno.h> + + +/* ************************************* +* Constants +***************************************/ +#define LIST_SIZE_INCREASE (8*1024) + + +/*-**************************************** +* Compiler specifics +******************************************/ +#if defined(__GNUC__) +# define UTIL_STATIC static __attribute__((unused)) +#elif defined (__cplusplus) || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */) +# define UTIL_STATIC static inline +#elif defined(_MSC_VER) +# define UTIL_STATIC static __inline +#else +# define UTIL_STATIC static /* this version may generate warnings for unused static functions; disable the relevant warning */ +#endif + + +/*-**************************************** +* Sleep functions: Windows - Posix - others +******************************************/ +#if defined(_WIN32) +# include <windows.h> +# define SET_HIGH_PRIORITY SetPriorityClass(GetCurrentProcess(), REALTIME_PRIORITY_CLASS) +# define UTIL_sleep(s) Sleep(1000*s) +# define UTIL_sleepMilli(milli) Sleep(milli) +#elif (defined(__unix__) || defined(__unix) || defined(__VMS) || defined(__midipix__) || (defined(__APPLE__) && defined(__MACH__))) +# include <unistd.h> +# include <sys/resource.h> /* setpriority */ +# include <time.h> /* clock_t, nanosleep, clock, CLOCKS_PER_SEC */ +# if defined(PRIO_PROCESS) +# define SET_HIGH_PRIORITY setpriority(PRIO_PROCESS, 0, -20) +# else +# define SET_HIGH_PRIORITY /* disabled */ +# endif +# define UTIL_sleep(s) sleep(s) +# if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 199309L) +# define UTIL_sleepMilli(milli) { struct timespec t; t.tv_sec=0; t.tv_nsec=milli*1000000ULL; nanosleep(&t, NULL); } +# else +# define UTIL_sleepMilli(milli) /* disabled */ +# endif +#else +# define SET_HIGH_PRIORITY /* disabled */ +# define UTIL_sleep(s) /* disabled */ +# define UTIL_sleepMilli(milli) /* disabled */ +#endif + + +/*-************************************************************** +* Basic Types +*****************************************************************/ +#if !defined (__VMS) && (defined (__cplusplus) || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */) ) +# include <stdint.h> + typedef uint8_t BYTE; + typedef uint16_t U16; + typedef int16_t S16; + typedef uint32_t U32; + typedef int32_t S32; + typedef uint64_t U64; + typedef int64_t S64; +#else + typedef unsigned char BYTE; + typedef unsigned short U16; + typedef signed short S16; + typedef unsigned int U32; + typedef signed int S32; + typedef unsigned long long U64; + typedef signed long long S64; +#endif + + +/*-**************************************** +* Time functions +******************************************/ +#if !defined(_WIN32) + typedef clock_t UTIL_time_t; + UTIL_STATIC void UTIL_initTimer(UTIL_time_t* ticksPerSecond) { *ticksPerSecond=0; } + UTIL_STATIC void UTIL_getTime(UTIL_time_t* x) { *x = clock(); } + UTIL_STATIC U64 UTIL_getSpanTimeMicro(UTIL_time_t ticksPerSecond, UTIL_time_t clockStart, UTIL_time_t clockEnd) { (void)ticksPerSecond; return 1000000ULL * (clockEnd - clockStart) / CLOCKS_PER_SEC; } + UTIL_STATIC U64 UTIL_getSpanTimeNano(UTIL_time_t ticksPerSecond, UTIL_time_t clockStart, UTIL_time_t clockEnd) { (void)ticksPerSecond; return 1000000000ULL * (clockEnd - clockStart) / CLOCKS_PER_SEC; } +#else + typedef LARGE_INTEGER UTIL_time_t; + UTIL_STATIC void UTIL_initTimer(UTIL_time_t* ticksPerSecond) { if (!QueryPerformanceFrequency(ticksPerSecond)) fprintf(stderr, "ERROR: QueryPerformance not present\n"); } + UTIL_STATIC void UTIL_getTime(UTIL_time_t* x) { QueryPerformanceCounter(x); } + UTIL_STATIC U64 UTIL_getSpanTimeMicro(UTIL_time_t ticksPerSecond, UTIL_time_t clockStart, UTIL_time_t clockEnd) { return 1000000ULL*(clockEnd.QuadPart - clockStart.QuadPart)/ticksPerSecond.QuadPart; } + UTIL_STATIC U64 UTIL_getSpanTimeNano(UTIL_time_t ticksPerSecond, UTIL_time_t clockStart, UTIL_time_t clockEnd) { return 1000000000ULL*(clockEnd.QuadPart - clockStart.QuadPart)/ticksPerSecond.QuadPart; } +#endif + + +/* returns time span in microseconds */ +UTIL_STATIC U64 UTIL_clockSpanMicro( UTIL_time_t clockStart, UTIL_time_t ticksPerSecond ) +{ + UTIL_time_t clockEnd; + UTIL_getTime(&clockEnd); + return UTIL_getSpanTimeMicro(ticksPerSecond, clockStart, clockEnd); +} + + +UTIL_STATIC void UTIL_waitForNextTick(UTIL_time_t ticksPerSecond) +{ + UTIL_time_t clockStart, clockEnd; + UTIL_getTime(&clockStart); + do { + UTIL_getTime(&clockEnd); + } while (UTIL_getSpanTimeNano(ticksPerSecond, clockStart, clockEnd) == 0); +} + + + +/*-**************************************** +* File functions +******************************************/ +#if defined(_MSC_VER) + #define chmod _chmod + typedef struct _stat64 stat_t; +#else + typedef struct stat stat_t; +#endif + + +UTIL_STATIC int UTIL_setFileStat(const char *filename, stat_t *statbuf) +{ + int res = 0; + struct utimbuf timebuf; + + timebuf.actime = time(NULL); + timebuf.modtime = statbuf->st_mtime; + res += utime(filename, &timebuf); /* set access and modification times */ + +#if !defined(_WIN32) + res += chown(filename, statbuf->st_uid, statbuf->st_gid); /* Copy ownership */ +#endif + + res += chmod(filename, statbuf->st_mode & 07777); /* Copy file permissions */ + + errno = 0; + return -res; /* number of errors is returned */ +} + + +UTIL_STATIC int UTIL_getFileStat(const char* infilename, stat_t *statbuf) +{ + int r; +#if defined(_MSC_VER) + r = _stat64(infilename, statbuf); + if (r || !(statbuf->st_mode & S_IFREG)) return 0; /* No good... */ +#else + r = stat(infilename, statbuf); + if (r || !S_ISREG(statbuf->st_mode)) return 0; /* No good... */ +#endif + return 1; +} + + +UTIL_STATIC U64 UTIL_getFileSize(const char* infilename) +{ + int r; +#if defined(_MSC_VER) + struct _stat64 statbuf; + r = _stat64(infilename, &statbuf); + if (r || !(statbuf.st_mode & S_IFREG)) return 0; /* No good... */ +#else + struct stat statbuf; + r = stat(infilename, &statbuf); + if (r || !S_ISREG(statbuf.st_mode)) return 0; /* No good... */ +#endif + return (U64)statbuf.st_size; +} + + +UTIL_STATIC U64 UTIL_getTotalFileSize(const char** fileNamesTable, unsigned nbFiles) +{ + U64 total = 0; + unsigned n; + for (n=0; n<nbFiles; n++) + total += UTIL_getFileSize(fileNamesTable[n]); + return total; +} + + +UTIL_STATIC int UTIL_doesFileExists(const char* infilename) +{ + int r; +#if defined(_MSC_VER) + struct _stat64 statbuf; + r = _stat64(infilename, &statbuf); + if (r || !(statbuf.st_mode & S_IFREG)) return 0; /* No good... */ +#else + struct stat statbuf; + r = stat(infilename, &statbuf); + if (r || !S_ISREG(statbuf.st_mode)) return 0; /* No good... */ +#endif + return 1; +} + + +UTIL_STATIC U32 UTIL_isDirectory(const char* infilename) +{ + int r; +#if defined(_MSC_VER) + struct _stat64 statbuf; + r = _stat64(infilename, &statbuf); + if (!r && (statbuf.st_mode & _S_IFDIR)) return 1; +#else + struct stat statbuf; + r = stat(infilename, &statbuf); + if (!r && S_ISDIR(statbuf.st_mode)) return 1; +#endif + return 0; +} + +/* + * A modified version of realloc(). + * If UTIL_realloc() fails the original block is freed. +*/ +UTIL_STATIC void *UTIL_realloc(void *ptr, size_t size) +{ + void *newptr = realloc(ptr, size); + if (newptr) return newptr; + free(ptr); + return NULL; +} + + +#ifdef _WIN32 +# define UTIL_HAS_CREATEFILELIST + +UTIL_STATIC int UTIL_prepareFileList(const char *dirName, char** bufStart, size_t* pos, char** bufEnd) +{ + char* path; + int dirLength, fnameLength, pathLength, nbFiles = 0; + WIN32_FIND_DATA cFile; + HANDLE hFile; + + dirLength = (int)strlen(dirName); + path = (char*) malloc(dirLength + 3); + if (!path) return 0; + + memcpy(path, dirName, dirLength); + path[dirLength] = '\\'; + path[dirLength+1] = '*'; + path[dirLength+2] = 0; + + hFile=FindFirstFile(path, &cFile); + if (hFile == INVALID_HANDLE_VALUE) { + fprintf(stderr, "Cannot open directory '%s'\n", dirName); + return 0; + } + free(path); + + do { + fnameLength = (int)strlen(cFile.cFileName); + path = (char*) malloc(dirLength + fnameLength + 2); + if (!path) { FindClose(hFile); return 0; } + memcpy(path, dirName, dirLength); + path[dirLength] = '\\'; + memcpy(path+dirLength+1, cFile.cFileName, fnameLength); + pathLength = dirLength+1+fnameLength; + path[pathLength] = 0; + if (cFile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) { + if (strcmp (cFile.cFileName, "..") == 0 || + strcmp (cFile.cFileName, ".") == 0) continue; + + nbFiles += UTIL_prepareFileList(path, bufStart, pos, bufEnd); /* Recursively call "UTIL_prepareFileList" with the new path. */ + if (*bufStart == NULL) { free(path); FindClose(hFile); return 0; } + } + else if ((cFile.dwFileAttributes & FILE_ATTRIBUTE_NORMAL) || (cFile.dwFileAttributes & FILE_ATTRIBUTE_ARCHIVE) || (cFile.dwFileAttributes & FILE_ATTRIBUTE_COMPRESSED)) { + if (*bufStart + *pos + pathLength >= *bufEnd) { + ptrdiff_t newListSize = (*bufEnd - *bufStart) + LIST_SIZE_INCREASE; + *bufStart = (char*)UTIL_realloc(*bufStart, newListSize); + *bufEnd = *bufStart + newListSize; + if (*bufStart == NULL) { free(path); FindClose(hFile); return 0; } + } + if (*bufStart + *pos + pathLength < *bufEnd) { + strncpy(*bufStart + *pos, path, *bufEnd - (*bufStart + *pos)); + *pos += pathLength + 1; + nbFiles++; + } + } + free(path); + } while (FindNextFile(hFile, &cFile)); + + FindClose(hFile); + return nbFiles; +} + +#elif (defined(__APPLE__) && defined(__MACH__)) || \ + ((defined(__unix__) || defined(__unix) || defined(__midipix__)) && defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L)) /* snprintf, opendir */ +# define UTIL_HAS_CREATEFILELIST +# include <dirent.h> /* opendir, readdir */ + +UTIL_STATIC int UTIL_prepareFileList(const char *dirName, char** bufStart, size_t* pos, char** bufEnd) +{ + DIR *dir; + struct dirent *entry; + char* path; + int dirLength, fnameLength, pathLength, nbFiles = 0; + + if (!(dir = opendir(dirName))) { + fprintf(stderr, "Cannot open directory '%s': %s\n", dirName, strerror(errno)); + return 0; + } + + dirLength = (int)strlen(dirName); + errno = 0; + while ((entry = readdir(dir)) != NULL) { + if (strcmp (entry->d_name, "..") == 0 || + strcmp (entry->d_name, ".") == 0) continue; + fnameLength = (int)strlen(entry->d_name); + path = (char*) malloc(dirLength + fnameLength + 2); + if (!path) { closedir(dir); return 0; } + memcpy(path, dirName, dirLength); + path[dirLength] = '/'; + memcpy(path+dirLength+1, entry->d_name, fnameLength); + pathLength = dirLength+1+fnameLength; + path[pathLength] = 0; + + if (UTIL_isDirectory(path)) { + nbFiles += UTIL_prepareFileList(path, bufStart, pos, bufEnd); /* Recursively call "UTIL_prepareFileList" with the new path. */ + if (*bufStart == NULL) { free(path); closedir(dir); return 0; } + } else { + if (*bufStart + *pos + pathLength >= *bufEnd) { + ptrdiff_t newListSize = (*bufEnd - *bufStart) + LIST_SIZE_INCREASE; + *bufStart = (char*)UTIL_realloc(*bufStart, newListSize); + *bufEnd = *bufStart + newListSize; + if (*bufStart == NULL) { free(path); closedir(dir); return 0; } + } + if (*bufStart + *pos + pathLength < *bufEnd) { + strncpy(*bufStart + *pos, path, *bufEnd - (*bufStart + *pos)); + *pos += pathLength + 1; + nbFiles++; + } + } + free(path); + errno = 0; /* clear errno after UTIL_isDirectory, UTIL_prepareFileList */ + } + + if (errno != 0) { + fprintf(stderr, "readdir(%s) error: %s\n", dirName, strerror(errno)); + free(*bufStart); + *bufStart = NULL; + } + closedir(dir); + return nbFiles; +} + +#else + +UTIL_STATIC int UTIL_prepareFileList(const char *dirName, char** bufStart, size_t* pos, char** bufEnd) +{ + (void)bufStart; (void)bufEnd; (void)pos; + fprintf(stderr, "Directory %s ignored (zstd compiled without _WIN32 or _POSIX_C_SOURCE)\n", dirName); + return 0; +} + +#endif /* #ifdef _WIN32 */ + +/* + * UTIL_createFileList - takes a list of files and directories (params: inputNames, inputNamesNb), scans directories, + * and returns a new list of files (params: return value, allocatedBuffer, allocatedNamesNb). + * After finishing usage of the list the structures should be freed with UTIL_freeFileList(params: return value, allocatedBuffer) + * In case of error UTIL_createFileList returns NULL and UTIL_freeFileList should not be called. + */ +UTIL_STATIC const char** UTIL_createFileList(const char **inputNames, unsigned inputNamesNb, char** allocatedBuffer, unsigned* allocatedNamesNb) +{ + size_t pos; + unsigned i, nbFiles; + char *bufend, *buf; + const char** fileTable; + + buf = (char*)malloc(LIST_SIZE_INCREASE); + if (!buf) return NULL; + bufend = buf + LIST_SIZE_INCREASE; + + for (i=0, pos=0, nbFiles=0; i<inputNamesNb; i++) { + if (!UTIL_isDirectory(inputNames[i])) { + size_t len = strlen(inputNames[i]); + if (buf + pos + len >= bufend) { + ptrdiff_t newListSize = (bufend - buf) + LIST_SIZE_INCREASE; + buf = (char*)UTIL_realloc(buf, newListSize); + bufend = buf + newListSize; + if (!buf) return NULL; + } + if (buf + pos + len < bufend) { + strncpy(buf + pos, inputNames[i], bufend - (buf + pos)); + pos += len + 1; + nbFiles++; + } + } else { + nbFiles += UTIL_prepareFileList(inputNames[i], &buf, &pos, &bufend); + if (buf == NULL) return NULL; + } } + + if (nbFiles == 0) { free(buf); return NULL; } + + fileTable = (const char**)malloc((nbFiles+1) * sizeof(const char*)); + if (!fileTable) { free(buf); return NULL; } + + for (i=0, pos=0; i<nbFiles; i++) + { + fileTable[i] = buf + pos; + pos += strlen(fileTable[i]) + 1; + } + + if (buf + pos > bufend) { free(buf); free((void*)fileTable); return NULL; } + + *allocatedBuffer = buf; + *allocatedNamesNb = nbFiles; + + return fileTable; +} + + +UTIL_STATIC void UTIL_freeFileList(const char** filenameTable, char* allocatedBuffer) +{ + if (allocatedBuffer) free(allocatedBuffer); + if (filenameTable) free((void*)filenameTable); +} + + +#if defined (__cplusplus) +} +#endif + +#endif /* UTIL_H_MODULE */ |