1618 lines
75 KiB
C
1618 lines
75 KiB
C
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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* All rights reserved.
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*
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* This source code is licensed under both the BSD-style license (found in the
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* LICENSE file in the root directory of this source tree) and the GPLv2 (found
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* in the COPYING file in the root directory of this source tree).
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* You may select, at your option, one of the above-listed licenses.
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*/
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/*-************************************
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* Tuning parameters
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**************************************/
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#ifndef ZSTDCLI_CLEVEL_DEFAULT
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# define ZSTDCLI_CLEVEL_DEFAULT 3
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#endif
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#ifndef ZSTDCLI_CLEVEL_MAX
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# define ZSTDCLI_CLEVEL_MAX 19 /* without using --ultra */
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#endif
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#ifndef ZSTDCLI_NBTHREADS_DEFAULT
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# define ZSTDCLI_NBTHREADS_DEFAULT 1
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#endif
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/*-************************************
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* Dependencies
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**************************************/
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#include "platform.h" /* PLATFORM_POSIX_VERSION */
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#include "util.h" /* UTIL_HAS_CREATEFILELIST, UTIL_createFileList, UTIL_isConsole */
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#include <stdlib.h> /* getenv */
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#include <string.h> /* strcmp, strlen */
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#include <stdio.h> /* fprintf(), stdin, stdout, stderr */
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#include <errno.h> /* errno */
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#include <assert.h> /* assert */
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#include "fileio.h" /* stdinmark, stdoutmark, ZSTD_EXTENSION */
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#ifndef ZSTD_NOBENCH
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# include "benchzstd.h" /* BMK_benchFilesAdvanced */
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#endif
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#ifndef ZSTD_NODICT
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# include "dibio.h" /* ZDICT_cover_params_t, DiB_trainFromFiles() */
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#endif
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#ifndef ZSTD_NOTRACE
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# include "zstdcli_trace.h"
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#endif
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#include "../lib/zstd.h" /* ZSTD_VERSION_STRING, ZSTD_minCLevel, ZSTD_maxCLevel */
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#include "fileio_asyncio.h"
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/*-************************************
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* Constants
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**************************************/
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#define COMPRESSOR_NAME "Zstandard CLI"
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#ifndef ZSTD_VERSION
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# define ZSTD_VERSION "v" ZSTD_VERSION_STRING
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#endif
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#define AUTHOR "Yann Collet"
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#define WELCOME_MESSAGE "*** %s (%i-bit) %s, by %s ***\n", COMPRESSOR_NAME, (int)(sizeof(size_t)*8), ZSTD_VERSION, AUTHOR
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#define ZSTD_ZSTDMT "zstdmt"
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#define ZSTD_UNZSTD "unzstd"
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#define ZSTD_CAT "zstdcat"
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#define ZSTD_ZCAT "zcat"
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#define ZSTD_GZ "gzip"
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#define ZSTD_GUNZIP "gunzip"
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#define ZSTD_GZCAT "gzcat"
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#define ZSTD_LZMA "lzma"
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#define ZSTD_UNLZMA "unlzma"
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#define ZSTD_XZ "xz"
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#define ZSTD_UNXZ "unxz"
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#define ZSTD_LZ4 "lz4"
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#define ZSTD_UNLZ4 "unlz4"
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#define KB *(1 <<10)
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#define MB *(1 <<20)
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#define GB *(1U<<30)
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#define DISPLAY_LEVEL_DEFAULT 2
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static const char* g_defaultDictName = "dictionary";
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static const unsigned g_defaultMaxDictSize = 110 KB;
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static const int g_defaultDictCLevel = 3;
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static const unsigned g_defaultSelectivityLevel = 9;
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static const unsigned g_defaultMaxWindowLog = 27;
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#define OVERLAP_LOG_DEFAULT 9999
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#define LDM_PARAM_DEFAULT 9999 /* Default for parameters where 0 is valid */
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static U32 g_overlapLog = OVERLAP_LOG_DEFAULT;
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static U32 g_ldmHashLog = 0;
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static U32 g_ldmMinMatch = 0;
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static U32 g_ldmHashRateLog = LDM_PARAM_DEFAULT;
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static U32 g_ldmBucketSizeLog = LDM_PARAM_DEFAULT;
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#define DEFAULT_ACCEL 1
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typedef enum { cover, fastCover, legacy } dictType;
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/*-************************************
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* Display Macros
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**************************************/
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#define DISPLAY_F(f, ...) fprintf((f), __VA_ARGS__)
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#define DISPLAYOUT(...) DISPLAY_F(stdout, __VA_ARGS__)
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#define DISPLAY(...) DISPLAY_F(stderr, __VA_ARGS__)
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#define DISPLAYLEVEL(l, ...) { if (g_displayLevel>=l) { DISPLAY(__VA_ARGS__); } }
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static int g_displayLevel = DISPLAY_LEVEL_DEFAULT; /* 0 : no display, 1: errors, 2 : + result + interaction + warnings, 3 : + progression, 4 : + information */
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/*-************************************
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* Check Version (when CLI linked to dynamic library)
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**************************************/
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/* Due to usage of experimental symbols and capabilities by the CLI,
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* the CLI must be linked against a dynamic library of same version */
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static void checkLibVersion(void)
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{
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if (strcmp(ZSTD_VERSION_STRING, ZSTD_versionString())) {
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DISPLAYLEVEL(1, "Error : incorrect library version (expecting : %s ; actual : %s ) \n",
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ZSTD_VERSION_STRING, ZSTD_versionString());
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DISPLAYLEVEL(1, "Please update library to version %s, or use stand-alone zstd binary \n",
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ZSTD_VERSION_STRING);
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exit(1);
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}
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}
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/*! exeNameMatch() :
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@return : a non-zero value if exeName matches test, excluding the extension
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*/
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static int exeNameMatch(const char* exeName, const char* test)
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{
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return !strncmp(exeName, test, strlen(test)) &&
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(exeName[strlen(test)] == '\0' || exeName[strlen(test)] == '.');
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}
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/*-************************************
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* Command Line
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**************************************/
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/* print help either in `stderr` or `stdout` depending on originating request
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* error (badusage) => stderr
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* help (usage_advanced) => stdout
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*/
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static void usage(FILE* f, const char* programName)
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{
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DISPLAY_F(f, "Compress or decompress the INPUT file(s); reads from STDIN if INPUT is `-` or not provided.\n\n");
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DISPLAY_F(f, "Usage: %s [OPTIONS...] [INPUT... | -] [-o OUTPUT]\n\n", programName);
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DISPLAY_F(f, "Options:\n");
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DISPLAY_F(f, " -o OUTPUT Write output to a single file, OUTPUT.\n");
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DISPLAY_F(f, " -k, --keep Preserve INPUT file(s). [Default] \n");
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DISPLAY_F(f, " --rm Remove INPUT file(s) after successful (de)compression.\n");
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#ifdef ZSTD_GZCOMPRESS
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if (exeNameMatch(programName, ZSTD_GZ)) { /* behave like gzip */
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DISPLAY_F(f, " -n, --no-name Do not store original filename when compressing.\n\n");
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}
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#endif
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DISPLAY_F(f, "\n");
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#ifndef ZSTD_NOCOMPRESS
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DISPLAY_F(f, " -# Desired compression level, where `#` is a number between 1 and %d;\n", ZSTDCLI_CLEVEL_MAX);
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DISPLAY_F(f, " lower numbers provide faster compression, higher numbers yield\n");
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DISPLAY_F(f, " better compression ratios. [Default: %d]\n\n", ZSTDCLI_CLEVEL_DEFAULT);
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#endif
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#ifndef ZSTD_NODECOMPRESS
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DISPLAY_F(f, " -d, --decompress Perform decompression.\n");
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#endif
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DISPLAY_F(f, " -D DICT Use DICT as the dictionary for compression or decompression.\n\n");
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DISPLAY_F(f, " -f, --force Disable input and output checks. Allows overwriting existing files,\n");
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DISPLAY_F(f, " receiving input from the console, printing output to STDOUT, and\n");
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DISPLAY_F(f, " operating on links, block devices, etc. Unrecognized formats will be\n");
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DISPLAY_F(f, " passed-through through as-is.\n\n");
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DISPLAY_F(f, " -h Display short usage and exit.\n");
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DISPLAY_F(f, " -H, --help Display full help and exit.\n");
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DISPLAY_F(f, " -V, --version Display the program version and exit.\n");
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DISPLAY_F(f, "\n");
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}
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static void usage_advanced(const char* programName)
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{
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DISPLAYOUT(WELCOME_MESSAGE);
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DISPLAYOUT("\n");
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usage(stdout, programName);
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DISPLAYOUT("Advanced options:\n");
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DISPLAYOUT(" -c, --stdout Write to STDOUT (even if it is a console) and keep the INPUT file(s).\n\n");
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DISPLAYOUT(" -v, --verbose Enable verbose output; pass multiple times to increase verbosity.\n");
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DISPLAYOUT(" -q, --quiet Suppress warnings; pass twice to suppress errors.\n");
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#ifndef ZSTD_NOTRACE
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DISPLAYOUT(" --trace LOG Log tracing information to LOG.\n");
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#endif
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DISPLAYOUT("\n");
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DISPLAYOUT(" --[no-]progress Forcibly show/hide the progress counter. NOTE: Any (de)compressed\n");
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DISPLAYOUT(" output to terminal will mix with progress counter text.\n\n");
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#ifdef UTIL_HAS_CREATEFILELIST
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DISPLAYOUT(" -r Operate recursively on directories.\n");
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DISPLAYOUT(" --filelist LIST Read a list of files to operate on from LIST.\n");
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DISPLAYOUT(" --output-dir-flat DIR Store processed files in DIR.\n");
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#endif
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#ifdef UTIL_HAS_MIRRORFILELIST
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DISPLAYOUT(" --output-dir-mirror DIR Store processed files in DIR, respecting original directory structure.\n");
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#endif
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if (AIO_supported())
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DISPLAYOUT(" --[no-]asyncio Use asynchronous IO. [Default: Enabled]\n");
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DISPLAYOUT("\n");
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#ifndef ZSTD_NOCOMPRESS
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DISPLAYOUT(" --[no-]check Add XXH64 integrity checksums during compression. [Default: Add, Validate]\n");
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#ifndef ZSTD_NODECOMPRESS
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DISPLAYOUT(" If `-d` is present, ignore/validate checksums during decompression.\n");
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#endif
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#else
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#ifdef ZSTD_NOCOMPRESS
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DISPLAYOUT(" --[no-]check Ignore/validate checksums during decompression. [Default: Validate]");
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#endif
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#endif /* ZSTD_NOCOMPRESS */
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DISPLAYOUT("\n");
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DISPLAYOUT(" -- Treat remaining arguments after `--` as files.\n");
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#ifndef ZSTD_NOCOMPRESS
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DISPLAYOUT("\n");
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DISPLAYOUT("Advanced compression options:\n");
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DISPLAYOUT(" --ultra Enable levels beyond %i, up to %i; requires more memory.\n", ZSTDCLI_CLEVEL_MAX, ZSTD_maxCLevel());
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DISPLAYOUT(" --fast[=#] Use to very fast compression levels. [Default: %u]\n", 1);
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#ifdef ZSTD_GZCOMPRESS
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if (exeNameMatch(programName, ZSTD_GZ)) { /* behave like gzip */
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DISPLAYOUT(" --best Compatibility alias for `-9`.\n");
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}
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#endif
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DISPLAYOUT(" --adapt Dynamically adapt compression level to I/O conditions.\n");
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DISPLAYOUT(" --long[=#] Enable long distance matching with window log #. [Default: %u]\n", g_defaultMaxWindowLog);
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DISPLAYOUT(" --patch-from=REF Use REF as the reference point for Zstandard's diff engine. \n\n");
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# ifdef ZSTD_MULTITHREAD
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DISPLAYOUT(" -T# Spawn # compression threads. [Default: 1; pass 0 for core count.]\n");
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DISPLAYOUT(" --single-thread Share a single thread for I/O and compression (slightly different than `-T1`).\n");
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DISPLAYOUT(" --auto-threads={physical|logical}\n");
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DISPLAYOUT(" Use physical/logical cores when using `-T0`. [Default: Physical]\n\n");
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DISPLAYOUT(" -B# Set job size to #. [Default: 0 (automatic)]\n");
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DISPLAYOUT(" --rsyncable Compress using a rsync-friendly method (`-B` sets block size). \n");
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DISPLAYOUT("\n");
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# endif
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DISPLAYOUT(" --exclude-compressed Only compress files that are not already compressed.\n\n");
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DISPLAYOUT(" --stream-size=# Specify size of streaming input from STDIN.\n");
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DISPLAYOUT(" --size-hint=# Optimize compression parameters for streaming input of approximately size #.\n");
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DISPLAYOUT(" --target-compressed-block-size=#\n");
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DISPLAYOUT(" Generate compressed blocks of approximately # size.\n\n");
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DISPLAYOUT(" --no-dictID Don't write `dictID` into the header (dictionary compression only).\n");
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DISPLAYOUT(" --[no-]compress-literals Force (un)compressed literals.\n");
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DISPLAYOUT(" --[no-]row-match-finder Explicitly enable/disable the fast, row-based matchfinder for\n");
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DISPLAYOUT(" the 'greedy', 'lazy', and 'lazy2' strategies.\n");
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DISPLAYOUT("\n");
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DISPLAYOUT(" --format=zstd Compress files to the `.zst` format. [Default]\n");
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DISPLAYOUT(" --[no-]mmap-dict Memory-map dictionary file rather than mallocing and loading all at once\n");
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#ifdef ZSTD_GZCOMPRESS
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DISPLAYOUT(" --format=gzip Compress files to the `.gz` format.\n");
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#endif
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#ifdef ZSTD_LZMACOMPRESS
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DISPLAYOUT(" --format=xz Compress files to the `.xz` format.\n");
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DISPLAYOUT(" --format=lzma Compress files to the `.lzma` format.\n");
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#endif
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#ifdef ZSTD_LZ4COMPRESS
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DISPLAYOUT( " --format=lz4 Compress files to the `.lz4` format.\n");
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#endif
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#endif /* !ZSTD_NOCOMPRESS */
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#ifndef ZSTD_NODECOMPRESS
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DISPLAYOUT("\n");
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DISPLAYOUT("Advanced decompression options:\n");
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DISPLAYOUT(" -l Print information about Zstandard-compressed files.\n");
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DISPLAYOUT(" --test Test compressed file integrity.\n");
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DISPLAYOUT(" -M# Set the memory usage limit to # megabytes.\n");
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# if ZSTD_SPARSE_DEFAULT
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DISPLAYOUT(" --[no-]sparse Enable sparse mode. [Default: Enabled for files, disabled for STDOUT.]\n");
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# else
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DISPLAYOUT(" --[no-]sparse Enable sparse mode. [Default: Disabled]\n");
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# endif
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{
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char const* passThroughDefault = "Disabled";
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if (exeNameMatch(programName, ZSTD_CAT) ||
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exeNameMatch(programName, ZSTD_ZCAT) ||
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exeNameMatch(programName, ZSTD_GZCAT)) {
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passThroughDefault = "Enabled";
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}
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DISPLAYOUT(" --[no-]pass-through Pass through uncompressed files as-is. [Default: %s]\n", passThroughDefault);
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}
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#endif /* ZSTD_NODECOMPRESS */
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#ifndef ZSTD_NODICT
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DISPLAYOUT("\n");
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DISPLAYOUT("Dictionary builder:\n");
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DISPLAYOUT(" --train Create a dictionary from a training set of files.\n\n");
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DISPLAYOUT(" --train-cover[=k=#,d=#,steps=#,split=#,shrink[=#]]\n");
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DISPLAYOUT(" Use the cover algorithm (with optional arguments).\n");
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DISPLAYOUT(" --train-fastcover[=k=#,d=#,f=#,steps=#,split=#,accel=#,shrink[=#]]\n");
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DISPLAYOUT(" Use the fast cover algorithm (with optional arguments).\n\n");
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DISPLAYOUT(" --train-legacy[=s=#] Use the legacy algorithm with selectivity #. [Default: %u]\n", g_defaultSelectivityLevel);
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DISPLAYOUT(" -o NAME Use NAME as dictionary name. [Default: %s]\n", g_defaultDictName);
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DISPLAYOUT(" --maxdict=# Limit dictionary to specified size #. [Default: %u]\n", g_defaultMaxDictSize);
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DISPLAYOUT(" --dictID=# Force dictionary ID to #. [Default: Random]\n");
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#endif
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#ifndef ZSTD_NOBENCH
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DISPLAYOUT("\n");
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DISPLAYOUT("Benchmark options:\n");
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DISPLAYOUT(" -b# Perform benchmarking with compression level #. [Default: %d]\n", ZSTDCLI_CLEVEL_DEFAULT);
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DISPLAYOUT(" -e# Test all compression levels up to #; starting level is `-b#`. [Default: 1]\n");
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DISPLAYOUT(" -i# Set the minimum evaluation to time # seconds. [Default: 3]\n");
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DISPLAYOUT(" -B# Cut file into independent chunks of size #. [Default: No chunking]\n");
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DISPLAYOUT(" -S Output one benchmark result per input file. [Default: Consolidated result]\n");
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DISPLAYOUT(" --priority=rt Set process priority to real-time.\n");
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#endif
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}
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static void badusage(const char* programName)
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{
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DISPLAYLEVEL(1, "Incorrect parameters \n");
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if (g_displayLevel >= 2) usage(stderr, programName);
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}
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static void waitEnter(void)
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{
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int unused;
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DISPLAY("Press enter to continue... \n");
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unused = getchar();
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(void)unused;
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}
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static const char* lastNameFromPath(const char* path)
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{
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const char* name = path;
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if (strrchr(name, '/')) name = strrchr(name, '/') + 1;
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if (strrchr(name, '\\')) name = strrchr(name, '\\') + 1; /* windows */
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return name;
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}
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static void errorOut(const char* msg)
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{
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DISPLAYLEVEL(1, "%s \n", msg); exit(1);
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}
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/*! readU32FromCharChecked() :
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* @return 0 if success, and store the result in *value.
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* allows and interprets K, KB, KiB, M, MB and MiB suffix.
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* Will also modify `*stringPtr`, advancing it to position where it stopped reading.
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* @return 1 if an overflow error occurs */
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static int readU32FromCharChecked(const char** stringPtr, unsigned* value)
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{
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unsigned result = 0;
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while ((**stringPtr >='0') && (**stringPtr <='9')) {
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unsigned const max = ((unsigned)(-1)) / 10;
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unsigned last = result;
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if (result > max) return 1; /* overflow error */
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result *= 10;
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result += (unsigned)(**stringPtr - '0');
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if (result < last) return 1; /* overflow error */
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(*stringPtr)++ ;
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}
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if ((**stringPtr=='K') || (**stringPtr=='M')) {
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unsigned const maxK = ((unsigned)(-1)) >> 10;
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if (result > maxK) return 1; /* overflow error */
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result <<= 10;
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if (**stringPtr=='M') {
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if (result > maxK) return 1; /* overflow error */
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result <<= 10;
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}
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(*stringPtr)++; /* skip `K` or `M` */
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if (**stringPtr=='i') (*stringPtr)++;
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if (**stringPtr=='B') (*stringPtr)++;
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}
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*value = result;
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return 0;
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}
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/*! readU32FromChar() :
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* @return : unsigned integer value read from input in `char` format.
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* allows and interprets K, KB, KiB, M, MB and MiB suffix.
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* Will also modify `*stringPtr`, advancing it to position where it stopped reading.
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* Note : function will exit() program if digit sequence overflows */
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static unsigned readU32FromChar(const char** stringPtr) {
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static const char errorMsg[] = "error: numeric value overflows 32-bit unsigned int";
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unsigned result;
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if (readU32FromCharChecked(stringPtr, &result)) { errorOut(errorMsg); }
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return result;
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}
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/*! readIntFromChar() :
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* @return : signed integer value read from input in `char` format.
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* allows and interprets K, KB, KiB, M, MB and MiB suffix.
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* Will also modify `*stringPtr`, advancing it to position where it stopped reading.
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* Note : function will exit() program if digit sequence overflows */
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static int readIntFromChar(const char** stringPtr) {
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static const char errorMsg[] = "error: numeric value overflows 32-bit int";
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int sign = 1;
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unsigned result;
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if (**stringPtr=='-') {
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(*stringPtr)++;
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sign = -1;
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}
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if (readU32FromCharChecked(stringPtr, &result)) { errorOut(errorMsg); }
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return (int) result * sign;
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}
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/*! readSizeTFromCharChecked() :
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* @return 0 if success, and store the result in *value.
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* allows and interprets K, KB, KiB, M, MB and MiB suffix.
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* Will also modify `*stringPtr`, advancing it to position where it stopped reading.
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* @return 1 if an overflow error occurs */
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static int readSizeTFromCharChecked(const char** stringPtr, size_t* value)
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{
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size_t result = 0;
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while ((**stringPtr >='0') && (**stringPtr <='9')) {
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size_t const max = ((size_t)(-1)) / 10;
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size_t last = result;
|
|
if (result > max) return 1; /* overflow error */
|
|
result *= 10;
|
|
result += (size_t)(**stringPtr - '0');
|
|
if (result < last) return 1; /* overflow error */
|
|
(*stringPtr)++ ;
|
|
}
|
|
if ((**stringPtr=='K') || (**stringPtr=='M')) {
|
|
size_t const maxK = ((size_t)(-1)) >> 10;
|
|
if (result > maxK) return 1; /* overflow error */
|
|
result <<= 10;
|
|
if (**stringPtr=='M') {
|
|
if (result > maxK) return 1; /* overflow error */
|
|
result <<= 10;
|
|
}
|
|
(*stringPtr)++; /* skip `K` or `M` */
|
|
if (**stringPtr=='i') (*stringPtr)++;
|
|
if (**stringPtr=='B') (*stringPtr)++;
|
|
}
|
|
*value = result;
|
|
return 0;
|
|
}
|
|
|
|
/*! readSizeTFromChar() :
|
|
* @return : size_t value read from input in `char` format.
|
|
* allows and interprets K, KB, KiB, M, MB and MiB suffix.
|
|
* Will also modify `*stringPtr`, advancing it to position where it stopped reading.
|
|
* Note : function will exit() program if digit sequence overflows */
|
|
static size_t readSizeTFromChar(const char** stringPtr) {
|
|
static const char errorMsg[] = "error: numeric value overflows size_t";
|
|
size_t result;
|
|
if (readSizeTFromCharChecked(stringPtr, &result)) { errorOut(errorMsg); }
|
|
return result;
|
|
}
|
|
|
|
/** longCommandWArg() :
|
|
* check if *stringPtr is the same as longCommand.
|
|
* If yes, @return 1 and advances *stringPtr to the position which immediately follows longCommand.
|
|
* @return 0 and doesn't modify *stringPtr otherwise.
|
|
*/
|
|
static int longCommandWArg(const char** stringPtr, const char* longCommand)
|
|
{
|
|
size_t const comSize = strlen(longCommand);
|
|
int const result = !strncmp(*stringPtr, longCommand, comSize);
|
|
if (result) *stringPtr += comSize;
|
|
return result;
|
|
}
|
|
|
|
|
|
#ifndef ZSTD_NODICT
|
|
|
|
static const unsigned kDefaultRegression = 1;
|
|
/**
|
|
* parseCoverParameters() :
|
|
* reads cover parameters from *stringPtr (e.g. "--train-cover=k=48,d=8,steps=32") into *params
|
|
* @return 1 means that cover parameters were correct
|
|
* @return 0 in case of malformed parameters
|
|
*/
|
|
static unsigned parseCoverParameters(const char* stringPtr, ZDICT_cover_params_t* params)
|
|
{
|
|
memset(params, 0, sizeof(*params));
|
|
for (; ;) {
|
|
if (longCommandWArg(&stringPtr, "k=")) { params->k = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
if (longCommandWArg(&stringPtr, "d=")) { params->d = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
if (longCommandWArg(&stringPtr, "steps=")) { params->steps = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
if (longCommandWArg(&stringPtr, "split=")) {
|
|
unsigned splitPercentage = readU32FromChar(&stringPtr);
|
|
params->splitPoint = (double)splitPercentage / 100.0;
|
|
if (stringPtr[0]==',') { stringPtr++; continue; } else break;
|
|
}
|
|
if (longCommandWArg(&stringPtr, "shrink")) {
|
|
params->shrinkDictMaxRegression = kDefaultRegression;
|
|
params->shrinkDict = 1;
|
|
if (stringPtr[0]=='=') {
|
|
stringPtr++;
|
|
params->shrinkDictMaxRegression = readU32FromChar(&stringPtr);
|
|
}
|
|
if (stringPtr[0]==',') {
|
|
stringPtr++;
|
|
continue;
|
|
}
|
|
else break;
|
|
}
|
|
return 0;
|
|
}
|
|
if (stringPtr[0] != 0) return 0;
|
|
DISPLAYLEVEL(4, "cover: k=%u\nd=%u\nsteps=%u\nsplit=%u\nshrink%u\n", params->k, params->d, params->steps, (unsigned)(params->splitPoint * 100), params->shrinkDictMaxRegression);
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* parseFastCoverParameters() :
|
|
* reads fastcover parameters from *stringPtr (e.g. "--train-fastcover=k=48,d=8,f=20,steps=32,accel=2") into *params
|
|
* @return 1 means that fastcover parameters were correct
|
|
* @return 0 in case of malformed parameters
|
|
*/
|
|
static unsigned parseFastCoverParameters(const char* stringPtr, ZDICT_fastCover_params_t* params)
|
|
{
|
|
memset(params, 0, sizeof(*params));
|
|
for (; ;) {
|
|
if (longCommandWArg(&stringPtr, "k=")) { params->k = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
if (longCommandWArg(&stringPtr, "d=")) { params->d = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
if (longCommandWArg(&stringPtr, "f=")) { params->f = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
if (longCommandWArg(&stringPtr, "steps=")) { params->steps = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
if (longCommandWArg(&stringPtr, "accel=")) { params->accel = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
if (longCommandWArg(&stringPtr, "split=")) {
|
|
unsigned splitPercentage = readU32FromChar(&stringPtr);
|
|
params->splitPoint = (double)splitPercentage / 100.0;
|
|
if (stringPtr[0]==',') { stringPtr++; continue; } else break;
|
|
}
|
|
if (longCommandWArg(&stringPtr, "shrink")) {
|
|
params->shrinkDictMaxRegression = kDefaultRegression;
|
|
params->shrinkDict = 1;
|
|
if (stringPtr[0]=='=') {
|
|
stringPtr++;
|
|
params->shrinkDictMaxRegression = readU32FromChar(&stringPtr);
|
|
}
|
|
if (stringPtr[0]==',') {
|
|
stringPtr++;
|
|
continue;
|
|
}
|
|
else break;
|
|
}
|
|
return 0;
|
|
}
|
|
if (stringPtr[0] != 0) return 0;
|
|
DISPLAYLEVEL(4, "cover: k=%u\nd=%u\nf=%u\nsteps=%u\nsplit=%u\naccel=%u\nshrink=%u\n", params->k, params->d, params->f, params->steps, (unsigned)(params->splitPoint * 100), params->accel, params->shrinkDictMaxRegression);
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* parseLegacyParameters() :
|
|
* reads legacy dictionary builder parameters from *stringPtr (e.g. "--train-legacy=selectivity=8") into *selectivity
|
|
* @return 1 means that legacy dictionary builder parameters were correct
|
|
* @return 0 in case of malformed parameters
|
|
*/
|
|
static unsigned parseLegacyParameters(const char* stringPtr, unsigned* selectivity)
|
|
{
|
|
if (!longCommandWArg(&stringPtr, "s=") && !longCommandWArg(&stringPtr, "selectivity=")) { return 0; }
|
|
*selectivity = readU32FromChar(&stringPtr);
|
|
if (stringPtr[0] != 0) return 0;
|
|
DISPLAYLEVEL(4, "legacy: selectivity=%u\n", *selectivity);
|
|
return 1;
|
|
}
|
|
|
|
static ZDICT_cover_params_t defaultCoverParams(void)
|
|
{
|
|
ZDICT_cover_params_t params;
|
|
memset(¶ms, 0, sizeof(params));
|
|
params.d = 8;
|
|
params.steps = 4;
|
|
params.splitPoint = 1.0;
|
|
params.shrinkDict = 0;
|
|
params.shrinkDictMaxRegression = kDefaultRegression;
|
|
return params;
|
|
}
|
|
|
|
static ZDICT_fastCover_params_t defaultFastCoverParams(void)
|
|
{
|
|
ZDICT_fastCover_params_t params;
|
|
memset(¶ms, 0, sizeof(params));
|
|
params.d = 8;
|
|
params.f = 20;
|
|
params.steps = 4;
|
|
params.splitPoint = 0.75; /* different from default splitPoint of cover */
|
|
params.accel = DEFAULT_ACCEL;
|
|
params.shrinkDict = 0;
|
|
params.shrinkDictMaxRegression = kDefaultRegression;
|
|
return params;
|
|
}
|
|
#endif
|
|
|
|
|
|
/** parseAdaptParameters() :
|
|
* reads adapt parameters from *stringPtr (e.g. "--zstd=min=1,max=19) and store them into adaptMinPtr and adaptMaxPtr.
|
|
* Both adaptMinPtr and adaptMaxPtr must be already allocated and correctly initialized.
|
|
* There is no guarantee that any of these values will be updated.
|
|
* @return 1 means that parsing was successful,
|
|
* @return 0 in case of malformed parameters
|
|
*/
|
|
static unsigned parseAdaptParameters(const char* stringPtr, int* adaptMinPtr, int* adaptMaxPtr)
|
|
{
|
|
for ( ; ;) {
|
|
if (longCommandWArg(&stringPtr, "min=")) { *adaptMinPtr = readIntFromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
if (longCommandWArg(&stringPtr, "max=")) { *adaptMaxPtr = readIntFromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
DISPLAYLEVEL(4, "invalid compression parameter \n");
|
|
return 0;
|
|
}
|
|
if (stringPtr[0] != 0) return 0; /* check the end of string */
|
|
if (*adaptMinPtr > *adaptMaxPtr) {
|
|
DISPLAYLEVEL(4, "incoherent adaptation limits \n");
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
|
|
/** parseCompressionParameters() :
|
|
* reads compression parameters from *stringPtr (e.g. "--zstd=wlog=23,clog=23,hlog=22,slog=6,mml=3,tlen=48,strat=6") into *params
|
|
* @return 1 means that compression parameters were correct
|
|
* @return 0 in case of malformed parameters
|
|
*/
|
|
static unsigned parseCompressionParameters(const char* stringPtr, ZSTD_compressionParameters* params)
|
|
{
|
|
for ( ; ;) {
|
|
if (longCommandWArg(&stringPtr, "windowLog=") || longCommandWArg(&stringPtr, "wlog=")) { params->windowLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
if (longCommandWArg(&stringPtr, "chainLog=") || longCommandWArg(&stringPtr, "clog=")) { params->chainLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
if (longCommandWArg(&stringPtr, "hashLog=") || longCommandWArg(&stringPtr, "hlog=")) { params->hashLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
if (longCommandWArg(&stringPtr, "searchLog=") || longCommandWArg(&stringPtr, "slog=")) { params->searchLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
if (longCommandWArg(&stringPtr, "minMatch=") || longCommandWArg(&stringPtr, "mml=")) { params->minMatch = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
if (longCommandWArg(&stringPtr, "targetLength=") || longCommandWArg(&stringPtr, "tlen=")) { params->targetLength = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
if (longCommandWArg(&stringPtr, "strategy=") || longCommandWArg(&stringPtr, "strat=")) { params->strategy = (ZSTD_strategy)(readU32FromChar(&stringPtr)); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
if (longCommandWArg(&stringPtr, "overlapLog=") || longCommandWArg(&stringPtr, "ovlog=")) { g_overlapLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
if (longCommandWArg(&stringPtr, "ldmHashLog=") || longCommandWArg(&stringPtr, "lhlog=")) { g_ldmHashLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
if (longCommandWArg(&stringPtr, "ldmMinMatch=") || longCommandWArg(&stringPtr, "lmml=")) { g_ldmMinMatch = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
if (longCommandWArg(&stringPtr, "ldmBucketSizeLog=") || longCommandWArg(&stringPtr, "lblog=")) { g_ldmBucketSizeLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
if (longCommandWArg(&stringPtr, "ldmHashRateLog=") || longCommandWArg(&stringPtr, "lhrlog=")) { g_ldmHashRateLog = readU32FromChar(&stringPtr); if (stringPtr[0]==',') { stringPtr++; continue; } else break; }
|
|
DISPLAYLEVEL(4, "invalid compression parameter \n");
|
|
return 0;
|
|
}
|
|
|
|
DISPLAYLEVEL(4, "windowLog=%d, chainLog=%d, hashLog=%d, searchLog=%d \n", params->windowLog, params->chainLog, params->hashLog, params->searchLog);
|
|
DISPLAYLEVEL(4, "minMatch=%d, targetLength=%d, strategy=%d \n", params->minMatch, params->targetLength, params->strategy);
|
|
if (stringPtr[0] != 0) return 0; /* check the end of string */
|
|
return 1;
|
|
}
|
|
|
|
static void printVersion(void)
|
|
{
|
|
if (g_displayLevel < DISPLAY_LEVEL_DEFAULT) {
|
|
DISPLAYOUT("%s\n", ZSTD_VERSION_STRING);
|
|
return;
|
|
}
|
|
|
|
DISPLAYOUT(WELCOME_MESSAGE);
|
|
if (g_displayLevel >= 3) {
|
|
/* format support */
|
|
DISPLAYOUT("*** supports: zstd");
|
|
#if defined(ZSTD_LEGACY_SUPPORT) && (ZSTD_LEGACY_SUPPORT>0) && (ZSTD_LEGACY_SUPPORT<8)
|
|
DISPLAYOUT(", zstd legacy v0.%d+", ZSTD_LEGACY_SUPPORT);
|
|
#endif
|
|
#ifdef ZSTD_GZCOMPRESS
|
|
DISPLAYOUT(", gzip");
|
|
#endif
|
|
#ifdef ZSTD_LZ4COMPRESS
|
|
DISPLAYOUT(", lz4");
|
|
#endif
|
|
#ifdef ZSTD_LZMACOMPRESS
|
|
DISPLAYOUT(", lzma, xz ");
|
|
#endif
|
|
DISPLAYOUT("\n");
|
|
if (g_displayLevel >= 4) {
|
|
/* library versions */
|
|
DISPLAYOUT("zlib version %s\n", FIO_zlibVersion());
|
|
DISPLAYOUT("lz4 version %s\n", FIO_lz4Version());
|
|
DISPLAYOUT("lzma version %s\n", FIO_lzmaVersion());
|
|
|
|
/* posix support */
|
|
#ifdef _POSIX_C_SOURCE
|
|
DISPLAYOUT("_POSIX_C_SOURCE defined: %ldL\n", (long) _POSIX_C_SOURCE);
|
|
#endif
|
|
#ifdef _POSIX_VERSION
|
|
DISPLAYOUT("_POSIX_VERSION defined: %ldL \n", (long) _POSIX_VERSION);
|
|
#endif
|
|
#ifdef PLATFORM_POSIX_VERSION
|
|
DISPLAYOUT("PLATFORM_POSIX_VERSION defined: %ldL\n", (long) PLATFORM_POSIX_VERSION);
|
|
#endif
|
|
} }
|
|
}
|
|
|
|
#define ZSTD_NB_STRATEGIES 9
|
|
static const char* ZSTD_strategyMap[ZSTD_NB_STRATEGIES + 1] = { "", "ZSTD_fast",
|
|
"ZSTD_dfast", "ZSTD_greedy", "ZSTD_lazy", "ZSTD_lazy2", "ZSTD_btlazy2",
|
|
"ZSTD_btopt", "ZSTD_btultra", "ZSTD_btultra2"};
|
|
|
|
#ifndef ZSTD_NOCOMPRESS
|
|
|
|
static void printDefaultCParams(const char* filename, const char* dictFileName, int cLevel) {
|
|
unsigned long long fileSize = UTIL_getFileSize(filename);
|
|
const size_t dictSize = dictFileName != NULL ? (size_t)UTIL_getFileSize(dictFileName) : 0;
|
|
const ZSTD_compressionParameters cParams = ZSTD_getCParams(cLevel, fileSize, dictSize);
|
|
if (fileSize != UTIL_FILESIZE_UNKNOWN) DISPLAY("%s (%u bytes)\n", filename, (unsigned)fileSize);
|
|
else DISPLAY("%s (src size unknown)\n", filename);
|
|
DISPLAY(" - windowLog : %u\n", cParams.windowLog);
|
|
DISPLAY(" - chainLog : %u\n", cParams.chainLog);
|
|
DISPLAY(" - hashLog : %u\n", cParams.hashLog);
|
|
DISPLAY(" - searchLog : %u\n", cParams.searchLog);
|
|
DISPLAY(" - minMatch : %u\n", cParams.minMatch);
|
|
DISPLAY(" - targetLength : %u\n", cParams.targetLength);
|
|
assert(cParams.strategy < ZSTD_NB_STRATEGIES + 1);
|
|
DISPLAY(" - strategy : %s (%u)\n", ZSTD_strategyMap[(int)cParams.strategy], (unsigned)cParams.strategy);
|
|
}
|
|
|
|
static void printActualCParams(const char* filename, const char* dictFileName, int cLevel, const ZSTD_compressionParameters* cParams) {
|
|
unsigned long long fileSize = UTIL_getFileSize(filename);
|
|
const size_t dictSize = dictFileName != NULL ? (size_t)UTIL_getFileSize(dictFileName) : 0;
|
|
ZSTD_compressionParameters actualCParams = ZSTD_getCParams(cLevel, fileSize, dictSize);
|
|
assert(g_displayLevel >= 4);
|
|
actualCParams.windowLog = cParams->windowLog == 0 ? actualCParams.windowLog : cParams->windowLog;
|
|
actualCParams.chainLog = cParams->chainLog == 0 ? actualCParams.chainLog : cParams->chainLog;
|
|
actualCParams.hashLog = cParams->hashLog == 0 ? actualCParams.hashLog : cParams->hashLog;
|
|
actualCParams.searchLog = cParams->searchLog == 0 ? actualCParams.searchLog : cParams->searchLog;
|
|
actualCParams.minMatch = cParams->minMatch == 0 ? actualCParams.minMatch : cParams->minMatch;
|
|
actualCParams.targetLength = cParams->targetLength == 0 ? actualCParams.targetLength : cParams->targetLength;
|
|
actualCParams.strategy = cParams->strategy == 0 ? actualCParams.strategy : cParams->strategy;
|
|
DISPLAY("--zstd=wlog=%d,clog=%d,hlog=%d,slog=%d,mml=%d,tlen=%d,strat=%d\n",
|
|
actualCParams.windowLog, actualCParams.chainLog, actualCParams.hashLog, actualCParams.searchLog,
|
|
actualCParams.minMatch, actualCParams.targetLength, actualCParams.strategy);
|
|
}
|
|
|
|
#endif
|
|
|
|
/* Environment variables for parameter setting */
|
|
#define ENV_CLEVEL "ZSTD_CLEVEL"
|
|
#define ENV_NBTHREADS "ZSTD_NBTHREADS" /* takes lower precedence than directly specifying -T# in the CLI */
|
|
|
|
/* pick up environment variable */
|
|
static int init_cLevel(void) {
|
|
const char* const env = getenv(ENV_CLEVEL);
|
|
if (env != NULL) {
|
|
const char* ptr = env;
|
|
int sign = 1;
|
|
if (*ptr == '-') {
|
|
sign = -1;
|
|
ptr++;
|
|
} else if (*ptr == '+') {
|
|
ptr++;
|
|
}
|
|
|
|
if ((*ptr>='0') && (*ptr<='9')) {
|
|
unsigned absLevel;
|
|
if (readU32FromCharChecked(&ptr, &absLevel)) {
|
|
DISPLAYLEVEL(2, "Ignore environment variable setting %s=%s: numeric value too large \n", ENV_CLEVEL, env);
|
|
return ZSTDCLI_CLEVEL_DEFAULT;
|
|
} else if (*ptr == 0) {
|
|
return sign * (int)absLevel;
|
|
} }
|
|
|
|
DISPLAYLEVEL(2, "Ignore environment variable setting %s=%s: not a valid integer value \n", ENV_CLEVEL, env);
|
|
}
|
|
|
|
return ZSTDCLI_CLEVEL_DEFAULT;
|
|
}
|
|
|
|
#ifdef ZSTD_MULTITHREAD
|
|
static unsigned init_nbThreads(void) {
|
|
const char* const env = getenv(ENV_NBTHREADS);
|
|
if (env != NULL) {
|
|
const char* ptr = env;
|
|
if ((*ptr>='0') && (*ptr<='9')) {
|
|
unsigned nbThreads;
|
|
if (readU32FromCharChecked(&ptr, &nbThreads)) {
|
|
DISPLAYLEVEL(2, "Ignore environment variable setting %s=%s: numeric value too large \n", ENV_NBTHREADS, env);
|
|
return ZSTDCLI_NBTHREADS_DEFAULT;
|
|
} else if (*ptr == 0) {
|
|
return nbThreads;
|
|
}
|
|
}
|
|
DISPLAYLEVEL(2, "Ignore environment variable setting %s=%s: not a valid unsigned value \n", ENV_NBTHREADS, env);
|
|
}
|
|
|
|
return ZSTDCLI_NBTHREADS_DEFAULT;
|
|
}
|
|
#endif
|
|
|
|
#define NEXT_FIELD(ptr) { \
|
|
if (*argument == '=') { \
|
|
ptr = ++argument; \
|
|
argument += strlen(ptr); \
|
|
} else { \
|
|
argNb++; \
|
|
if (argNb >= argCount) { \
|
|
DISPLAYLEVEL(1, "error: missing command argument \n"); \
|
|
CLEAN_RETURN(1); \
|
|
} \
|
|
ptr = argv[argNb]; \
|
|
assert(ptr != NULL); \
|
|
if (ptr[0]=='-') { \
|
|
DISPLAYLEVEL(1, "error: command cannot be separated from its argument by another command \n"); \
|
|
CLEAN_RETURN(1); \
|
|
} } }
|
|
|
|
#define NEXT_UINT32(val32) { \
|
|
const char* __nb; \
|
|
NEXT_FIELD(__nb); \
|
|
val32 = readU32FromChar(&__nb); \
|
|
if(*__nb != 0) { \
|
|
errorOut("error: only numeric values with optional suffixes K, KB, KiB, M, MB, MiB are allowed"); \
|
|
} \
|
|
}
|
|
|
|
#define NEXT_TSIZE(valTsize) { \
|
|
const char* __nb; \
|
|
NEXT_FIELD(__nb); \
|
|
valTsize = readSizeTFromChar(&__nb); \
|
|
if(*__nb != 0) { \
|
|
errorOut("error: only numeric values with optional suffixes K, KB, KiB, M, MB, MiB are allowed"); \
|
|
} \
|
|
}
|
|
|
|
typedef enum { zom_compress, zom_decompress, zom_test, zom_bench, zom_train, zom_list } zstd_operation_mode;
|
|
|
|
#define CLEAN_RETURN(i) { operationResult = (i); goto _end; }
|
|
|
|
#ifdef ZSTD_NOCOMPRESS
|
|
/* symbols from compression library are not defined and should not be invoked */
|
|
# define MINCLEVEL -99
|
|
# define MAXCLEVEL 22
|
|
#else
|
|
# define MINCLEVEL ZSTD_minCLevel()
|
|
# define MAXCLEVEL ZSTD_maxCLevel()
|
|
#endif
|
|
|
|
int main(int argCount, const char* argv[])
|
|
{
|
|
int argNb,
|
|
followLinks = 0,
|
|
allowBlockDevices = 0,
|
|
forceStdin = 0,
|
|
forceStdout = 0,
|
|
hasStdout = 0,
|
|
ldmFlag = 0,
|
|
main_pause = 0,
|
|
adapt = 0,
|
|
adaptMin = MINCLEVEL,
|
|
adaptMax = MAXCLEVEL,
|
|
rsyncable = 0,
|
|
nextArgumentsAreFiles = 0,
|
|
operationResult = 0,
|
|
separateFiles = 0,
|
|
setRealTimePrio = 0,
|
|
singleThread = 0,
|
|
defaultLogicalCores = 0,
|
|
showDefaultCParams = 0,
|
|
ultra=0,
|
|
contentSize=1,
|
|
removeSrcFile=0;
|
|
ZSTD_paramSwitch_e mmapDict=ZSTD_ps_auto;
|
|
ZSTD_paramSwitch_e useRowMatchFinder = ZSTD_ps_auto;
|
|
FIO_compressionType_t cType = FIO_zstdCompression;
|
|
unsigned nbWorkers = 0;
|
|
double compressibility = 0.5;
|
|
unsigned bench_nbSeconds = 3; /* would be better if this value was synchronized from bench */
|
|
size_t blockSize = 0;
|
|
|
|
FIO_prefs_t* const prefs = FIO_createPreferences();
|
|
FIO_ctx_t* const fCtx = FIO_createContext();
|
|
FIO_progressSetting_e progress = FIO_ps_auto;
|
|
zstd_operation_mode operation = zom_compress;
|
|
ZSTD_compressionParameters compressionParams;
|
|
int cLevel = init_cLevel();
|
|
int cLevelLast = MINCLEVEL - 1; /* lower than minimum */
|
|
unsigned recursive = 0;
|
|
unsigned memLimit = 0;
|
|
FileNamesTable* filenames = UTIL_allocateFileNamesTable((size_t)argCount); /* argCount >= 1 */
|
|
FileNamesTable* file_of_names = UTIL_allocateFileNamesTable((size_t)argCount); /* argCount >= 1 */
|
|
const char* programName = argv[0];
|
|
const char* outFileName = NULL;
|
|
const char* outDirName = NULL;
|
|
const char* outMirroredDirName = NULL;
|
|
const char* dictFileName = NULL;
|
|
const char* patchFromDictFileName = NULL;
|
|
const char* suffix = ZSTD_EXTENSION;
|
|
unsigned maxDictSize = g_defaultMaxDictSize;
|
|
unsigned dictID = 0;
|
|
size_t streamSrcSize = 0;
|
|
size_t targetCBlockSize = 0;
|
|
size_t srcSizeHint = 0;
|
|
size_t nbInputFileNames = 0;
|
|
int dictCLevel = g_defaultDictCLevel;
|
|
unsigned dictSelect = g_defaultSelectivityLevel;
|
|
#ifndef ZSTD_NODICT
|
|
ZDICT_cover_params_t coverParams = defaultCoverParams();
|
|
ZDICT_fastCover_params_t fastCoverParams = defaultFastCoverParams();
|
|
dictType dict = fastCover;
|
|
#endif
|
|
#ifndef ZSTD_NOBENCH
|
|
BMK_advancedParams_t benchParams = BMK_initAdvancedParams();
|
|
#endif
|
|
ZSTD_paramSwitch_e literalCompressionMode = ZSTD_ps_auto;
|
|
|
|
|
|
/* init */
|
|
checkLibVersion();
|
|
(void)recursive; (void)cLevelLast; /* not used when ZSTD_NOBENCH set */
|
|
(void)memLimit;
|
|
assert(argCount >= 1);
|
|
if ((filenames==NULL) || (file_of_names==NULL)) { DISPLAYLEVEL(1, "zstd: allocation error \n"); exit(1); }
|
|
programName = lastNameFromPath(programName);
|
|
#ifdef ZSTD_MULTITHREAD
|
|
nbWorkers = init_nbThreads();
|
|
#endif
|
|
|
|
/* preset behaviors */
|
|
if (exeNameMatch(programName, ZSTD_ZSTDMT)) nbWorkers=0, singleThread=0;
|
|
if (exeNameMatch(programName, ZSTD_UNZSTD)) operation=zom_decompress;
|
|
if (exeNameMatch(programName, ZSTD_CAT)) { operation=zom_decompress; FIO_overwriteMode(prefs); forceStdout=1; followLinks=1; FIO_setPassThroughFlag(prefs, 1); outFileName=stdoutmark; g_displayLevel=1; } /* supports multiple formats */
|
|
if (exeNameMatch(programName, ZSTD_ZCAT)) { operation=zom_decompress; FIO_overwriteMode(prefs); forceStdout=1; followLinks=1; FIO_setPassThroughFlag(prefs, 1); outFileName=stdoutmark; g_displayLevel=1; } /* behave like zcat, also supports multiple formats */
|
|
if (exeNameMatch(programName, ZSTD_GZ)) { /* behave like gzip */
|
|
suffix = GZ_EXTENSION; cType = FIO_gzipCompression; removeSrcFile=1;
|
|
dictCLevel = cLevel = 6; /* gzip default is -6 */
|
|
}
|
|
if (exeNameMatch(programName, ZSTD_GUNZIP)) { operation=zom_decompress; removeSrcFile=1; } /* behave like gunzip, also supports multiple formats */
|
|
if (exeNameMatch(programName, ZSTD_GZCAT)) { operation=zom_decompress; FIO_overwriteMode(prefs); forceStdout=1; followLinks=1; FIO_setPassThroughFlag(prefs, 1); outFileName=stdoutmark; g_displayLevel=1; } /* behave like gzcat, also supports multiple formats */
|
|
if (exeNameMatch(programName, ZSTD_LZMA)) { suffix = LZMA_EXTENSION; cType = FIO_lzmaCompression; removeSrcFile=1; } /* behave like lzma */
|
|
if (exeNameMatch(programName, ZSTD_UNLZMA)) { operation=zom_decompress; cType = FIO_lzmaCompression; removeSrcFile=1; } /* behave like unlzma, also supports multiple formats */
|
|
if (exeNameMatch(programName, ZSTD_XZ)) { suffix = XZ_EXTENSION; cType = FIO_xzCompression; removeSrcFile=1; } /* behave like xz */
|
|
if (exeNameMatch(programName, ZSTD_UNXZ)) { operation=zom_decompress; cType = FIO_xzCompression; removeSrcFile=1; } /* behave like unxz, also supports multiple formats */
|
|
if (exeNameMatch(programName, ZSTD_LZ4)) { suffix = LZ4_EXTENSION; cType = FIO_lz4Compression; } /* behave like lz4 */
|
|
if (exeNameMatch(programName, ZSTD_UNLZ4)) { operation=zom_decompress; cType = FIO_lz4Compression; } /* behave like unlz4, also supports multiple formats */
|
|
memset(&compressionParams, 0, sizeof(compressionParams));
|
|
|
|
/* init crash handler */
|
|
FIO_addAbortHandler();
|
|
|
|
/* command switches */
|
|
for (argNb=1; argNb<argCount; argNb++) {
|
|
const char* argument = argv[argNb];
|
|
if (!argument) continue; /* Protection if argument empty */
|
|
|
|
if (nextArgumentsAreFiles) {
|
|
UTIL_refFilename(filenames, argument);
|
|
continue;
|
|
}
|
|
|
|
/* "-" means stdin/stdout */
|
|
if (!strcmp(argument, "-")){
|
|
UTIL_refFilename(filenames, stdinmark);
|
|
continue;
|
|
}
|
|
|
|
/* Decode commands (note : aggregated commands are allowed) */
|
|
if (argument[0]=='-') {
|
|
|
|
if (argument[1]=='-') {
|
|
/* long commands (--long-word) */
|
|
if (!strcmp(argument, "--")) { nextArgumentsAreFiles=1; continue; } /* only file names allowed from now on */
|
|
if (!strcmp(argument, "--list")) { operation=zom_list; continue; }
|
|
if (!strcmp(argument, "--compress")) { operation=zom_compress; continue; }
|
|
if (!strcmp(argument, "--decompress")) { operation=zom_decompress; continue; }
|
|
if (!strcmp(argument, "--uncompress")) { operation=zom_decompress; continue; }
|
|
if (!strcmp(argument, "--force")) { FIO_overwriteMode(prefs); forceStdin=1; forceStdout=1; followLinks=1; allowBlockDevices=1; continue; }
|
|
if (!strcmp(argument, "--version")) { printVersion(); CLEAN_RETURN(0); }
|
|
if (!strcmp(argument, "--help")) { usage_advanced(programName); CLEAN_RETURN(0); }
|
|
if (!strcmp(argument, "--verbose")) { g_displayLevel++; continue; }
|
|
if (!strcmp(argument, "--quiet")) { g_displayLevel--; continue; }
|
|
if (!strcmp(argument, "--stdout")) { forceStdout=1; outFileName=stdoutmark; removeSrcFile=0; continue; }
|
|
if (!strcmp(argument, "--ultra")) { ultra=1; continue; }
|
|
if (!strcmp(argument, "--check")) { FIO_setChecksumFlag(prefs, 2); continue; }
|
|
if (!strcmp(argument, "--no-check")) { FIO_setChecksumFlag(prefs, 0); continue; }
|
|
if (!strcmp(argument, "--sparse")) { FIO_setSparseWrite(prefs, 2); continue; }
|
|
if (!strcmp(argument, "--no-sparse")) { FIO_setSparseWrite(prefs, 0); continue; }
|
|
if (!strcmp(argument, "--pass-through")) { FIO_setPassThroughFlag(prefs, 1); continue; }
|
|
if (!strcmp(argument, "--no-pass-through")) { FIO_setPassThroughFlag(prefs, 0); continue; }
|
|
if (!strcmp(argument, "--test")) { operation=zom_test; continue; }
|
|
if (!strcmp(argument, "--asyncio")) { FIO_setAsyncIOFlag(prefs, 1); continue;}
|
|
if (!strcmp(argument, "--no-asyncio")) { FIO_setAsyncIOFlag(prefs, 0); continue;}
|
|
if (!strcmp(argument, "--train")) { operation=zom_train; if (outFileName==NULL) outFileName=g_defaultDictName; continue; }
|
|
if (!strcmp(argument, "--no-dictID")) { FIO_setDictIDFlag(prefs, 0); continue; }
|
|
if (!strcmp(argument, "--keep")) { removeSrcFile=0; continue; }
|
|
if (!strcmp(argument, "--rm")) { removeSrcFile=1; continue; }
|
|
if (!strcmp(argument, "--priority=rt")) { setRealTimePrio = 1; continue; }
|
|
if (!strcmp(argument, "--show-default-cparams")) { showDefaultCParams = 1; continue; }
|
|
if (!strcmp(argument, "--content-size")) { contentSize = 1; continue; }
|
|
if (!strcmp(argument, "--no-content-size")) { contentSize = 0; continue; }
|
|
if (!strcmp(argument, "--adapt")) { adapt = 1; continue; }
|
|
if (!strcmp(argument, "--no-row-match-finder")) { useRowMatchFinder = ZSTD_ps_disable; continue; }
|
|
if (!strcmp(argument, "--row-match-finder")) { useRowMatchFinder = ZSTD_ps_enable; continue; }
|
|
if (longCommandWArg(&argument, "--adapt=")) { adapt = 1; if (!parseAdaptParameters(argument, &adaptMin, &adaptMax)) { badusage(programName); CLEAN_RETURN(1); } continue; }
|
|
if (!strcmp(argument, "--single-thread")) { nbWorkers = 0; singleThread = 1; continue; }
|
|
if (!strcmp(argument, "--format=zstd")) { suffix = ZSTD_EXTENSION; cType = FIO_zstdCompression; continue; }
|
|
if (!strcmp(argument, "--mmap-dict")) { mmapDict = ZSTD_ps_enable; continue; }
|
|
if (!strcmp(argument, "--no-mmap-dict")) { mmapDict = ZSTD_ps_disable; continue; }
|
|
#ifdef ZSTD_GZCOMPRESS
|
|
if (!strcmp(argument, "--format=gzip")) { suffix = GZ_EXTENSION; cType = FIO_gzipCompression; continue; }
|
|
if (exeNameMatch(programName, ZSTD_GZ)) { /* behave like gzip */
|
|
if (!strcmp(argument, "--best")) { dictCLevel = cLevel = 9; continue; }
|
|
if (!strcmp(argument, "--no-name")) { /* ignore for now */; continue; }
|
|
}
|
|
#endif
|
|
#ifdef ZSTD_LZMACOMPRESS
|
|
if (!strcmp(argument, "--format=lzma")) { suffix = LZMA_EXTENSION; cType = FIO_lzmaCompression; continue; }
|
|
if (!strcmp(argument, "--format=xz")) { suffix = XZ_EXTENSION; cType = FIO_xzCompression; continue; }
|
|
#endif
|
|
#ifdef ZSTD_LZ4COMPRESS
|
|
if (!strcmp(argument, "--format=lz4")) { suffix = LZ4_EXTENSION; cType = FIO_lz4Compression; continue; }
|
|
#endif
|
|
if (!strcmp(argument, "--rsyncable")) { rsyncable = 1; continue; }
|
|
if (!strcmp(argument, "--compress-literals")) { literalCompressionMode = ZSTD_ps_enable; continue; }
|
|
if (!strcmp(argument, "--no-compress-literals")) { literalCompressionMode = ZSTD_ps_disable; continue; }
|
|
if (!strcmp(argument, "--no-progress")) { progress = FIO_ps_never; continue; }
|
|
if (!strcmp(argument, "--progress")) { progress = FIO_ps_always; continue; }
|
|
if (!strcmp(argument, "--exclude-compressed")) { FIO_setExcludeCompressedFile(prefs, 1); continue; }
|
|
if (!strcmp(argument, "--fake-stdin-is-console")) { UTIL_fakeStdinIsConsole(); continue; }
|
|
if (!strcmp(argument, "--fake-stdout-is-console")) { UTIL_fakeStdoutIsConsole(); continue; }
|
|
if (!strcmp(argument, "--fake-stderr-is-console")) { UTIL_fakeStderrIsConsole(); continue; }
|
|
if (!strcmp(argument, "--trace-file-stat")) { UTIL_traceFileStat(); continue; }
|
|
|
|
/* long commands with arguments */
|
|
#ifndef ZSTD_NODICT
|
|
if (longCommandWArg(&argument, "--train-cover")) {
|
|
operation = zom_train;
|
|
if (outFileName == NULL)
|
|
outFileName = g_defaultDictName;
|
|
dict = cover;
|
|
/* Allow optional arguments following an = */
|
|
if (*argument == 0) { memset(&coverParams, 0, sizeof(coverParams)); }
|
|
else if (*argument++ != '=') { badusage(programName); CLEAN_RETURN(1); }
|
|
else if (!parseCoverParameters(argument, &coverParams)) { badusage(programName); CLEAN_RETURN(1); }
|
|
continue;
|
|
}
|
|
if (longCommandWArg(&argument, "--train-fastcover")) {
|
|
operation = zom_train;
|
|
if (outFileName == NULL)
|
|
outFileName = g_defaultDictName;
|
|
dict = fastCover;
|
|
/* Allow optional arguments following an = */
|
|
if (*argument == 0) { memset(&fastCoverParams, 0, sizeof(fastCoverParams)); }
|
|
else if (*argument++ != '=') { badusage(programName); CLEAN_RETURN(1); }
|
|
else if (!parseFastCoverParameters(argument, &fastCoverParams)) { badusage(programName); CLEAN_RETURN(1); }
|
|
continue;
|
|
}
|
|
if (longCommandWArg(&argument, "--train-legacy")) {
|
|
operation = zom_train;
|
|
if (outFileName == NULL)
|
|
outFileName = g_defaultDictName;
|
|
dict = legacy;
|
|
/* Allow optional arguments following an = */
|
|
if (*argument == 0) { continue; }
|
|
else if (*argument++ != '=') { badusage(programName); CLEAN_RETURN(1); }
|
|
else if (!parseLegacyParameters(argument, &dictSelect)) { badusage(programName); CLEAN_RETURN(1); }
|
|
continue;
|
|
}
|
|
#endif
|
|
if (longCommandWArg(&argument, "--threads")) { NEXT_UINT32(nbWorkers); continue; }
|
|
if (longCommandWArg(&argument, "--memlimit")) { NEXT_UINT32(memLimit); continue; }
|
|
if (longCommandWArg(&argument, "--memory")) { NEXT_UINT32(memLimit); continue; }
|
|
if (longCommandWArg(&argument, "--memlimit-decompress")) { NEXT_UINT32(memLimit); continue; }
|
|
if (longCommandWArg(&argument, "--block-size")) { NEXT_TSIZE(blockSize); continue; }
|
|
if (longCommandWArg(&argument, "--maxdict")) { NEXT_UINT32(maxDictSize); continue; }
|
|
if (longCommandWArg(&argument, "--dictID")) { NEXT_UINT32(dictID); continue; }
|
|
if (longCommandWArg(&argument, "--zstd=")) { if (!parseCompressionParameters(argument, &compressionParams)) { badusage(programName); CLEAN_RETURN(1); } ; cType = FIO_zstdCompression; continue; }
|
|
if (longCommandWArg(&argument, "--stream-size")) { NEXT_TSIZE(streamSrcSize); continue; }
|
|
if (longCommandWArg(&argument, "--target-compressed-block-size")) { NEXT_TSIZE(targetCBlockSize); continue; }
|
|
if (longCommandWArg(&argument, "--size-hint")) { NEXT_TSIZE(srcSizeHint); continue; }
|
|
if (longCommandWArg(&argument, "--output-dir-flat")) {
|
|
NEXT_FIELD(outDirName);
|
|
if (strlen(outDirName) == 0) {
|
|
DISPLAYLEVEL(1, "error: output dir cannot be empty string (did you mean to pass '.' instead?)\n");
|
|
CLEAN_RETURN(1);
|
|
}
|
|
continue;
|
|
}
|
|
if (longCommandWArg(&argument, "--auto-threads")) {
|
|
const char* threadDefault = NULL;
|
|
NEXT_FIELD(threadDefault);
|
|
if (strcmp(threadDefault, "logical") == 0)
|
|
defaultLogicalCores = 1;
|
|
continue;
|
|
}
|
|
#ifdef UTIL_HAS_MIRRORFILELIST
|
|
if (longCommandWArg(&argument, "--output-dir-mirror")) {
|
|
NEXT_FIELD(outMirroredDirName);
|
|
if (strlen(outMirroredDirName) == 0) {
|
|
DISPLAYLEVEL(1, "error: output dir cannot be empty string (did you mean to pass '.' instead?)\n");
|
|
CLEAN_RETURN(1);
|
|
}
|
|
continue;
|
|
}
|
|
#endif
|
|
#ifndef ZSTD_NOTRACE
|
|
if (longCommandWArg(&argument, "--trace")) { char const* traceFile; NEXT_FIELD(traceFile); TRACE_enable(traceFile); continue; }
|
|
#endif
|
|
if (longCommandWArg(&argument, "--patch-from")) { NEXT_FIELD(patchFromDictFileName); continue; }
|
|
if (longCommandWArg(&argument, "--long")) {
|
|
unsigned ldmWindowLog = 0;
|
|
ldmFlag = 1;
|
|
/* Parse optional window log */
|
|
if (*argument == '=') {
|
|
++argument;
|
|
ldmWindowLog = readU32FromChar(&argument);
|
|
} else if (*argument != 0) {
|
|
/* Invalid character following --long */
|
|
badusage(programName);
|
|
CLEAN_RETURN(1);
|
|
} else {
|
|
ldmWindowLog = g_defaultMaxWindowLog;
|
|
}
|
|
/* Only set windowLog if not already set by --zstd */
|
|
if (compressionParams.windowLog == 0)
|
|
compressionParams.windowLog = ldmWindowLog;
|
|
continue;
|
|
}
|
|
#ifndef ZSTD_NOCOMPRESS /* linking ZSTD_minCLevel() requires compression support */
|
|
if (longCommandWArg(&argument, "--fast")) {
|
|
/* Parse optional acceleration factor */
|
|
if (*argument == '=') {
|
|
U32 const maxFast = (U32)-ZSTD_minCLevel();
|
|
U32 fastLevel;
|
|
++argument;
|
|
fastLevel = readU32FromChar(&argument);
|
|
if (fastLevel > maxFast) fastLevel = maxFast;
|
|
if (fastLevel) {
|
|
dictCLevel = cLevel = -(int)fastLevel;
|
|
} else {
|
|
badusage(programName);
|
|
CLEAN_RETURN(1);
|
|
}
|
|
} else if (*argument != 0) {
|
|
/* Invalid character following --fast */
|
|
badusage(programName);
|
|
CLEAN_RETURN(1);
|
|
} else {
|
|
cLevel = -1; /* default for --fast */
|
|
}
|
|
continue;
|
|
}
|
|
#endif
|
|
|
|
if (longCommandWArg(&argument, "--filelist")) {
|
|
const char* listName;
|
|
NEXT_FIELD(listName);
|
|
UTIL_refFilename(file_of_names, listName);
|
|
continue;
|
|
}
|
|
|
|
/* fall-through, will trigger bad_usage() later on */
|
|
}
|
|
|
|
argument++;
|
|
while (argument[0]!=0) {
|
|
|
|
#ifndef ZSTD_NOCOMPRESS
|
|
/* compression Level */
|
|
if ((*argument>='0') && (*argument<='9')) {
|
|
dictCLevel = cLevel = (int)readU32FromChar(&argument);
|
|
continue;
|
|
}
|
|
#endif
|
|
|
|
switch(argument[0])
|
|
{
|
|
/* Display help */
|
|
case 'V': printVersion(); CLEAN_RETURN(0); /* Version Only */
|
|
case 'H': usage_advanced(programName); CLEAN_RETURN(0);
|
|
case 'h': usage(stdout, programName); CLEAN_RETURN(0);
|
|
|
|
/* Compress */
|
|
case 'z': operation=zom_compress; argument++; break;
|
|
|
|
/* Decoding */
|
|
case 'd':
|
|
#ifndef ZSTD_NOBENCH
|
|
benchParams.mode = BMK_decodeOnly;
|
|
if (operation==zom_bench) { argument++; break; } /* benchmark decode (hidden option) */
|
|
#endif
|
|
operation=zom_decompress; argument++; break;
|
|
|
|
/* Force stdout, even if stdout==console */
|
|
case 'c': forceStdout=1; outFileName=stdoutmark; removeSrcFile=0; argument++; break;
|
|
|
|
/* do not store filename - gzip compatibility - nothing to do */
|
|
case 'n': argument++; break;
|
|
|
|
/* Use file content as dictionary */
|
|
case 'D': argument++; NEXT_FIELD(dictFileName); break;
|
|
|
|
/* Overwrite */
|
|
case 'f': FIO_overwriteMode(prefs); forceStdin=1; forceStdout=1; followLinks=1; allowBlockDevices=1; argument++; break;
|
|
|
|
/* Verbose mode */
|
|
case 'v': g_displayLevel++; argument++; break;
|
|
|
|
/* Quiet mode */
|
|
case 'q': g_displayLevel--; argument++; break;
|
|
|
|
/* keep source file (default) */
|
|
case 'k': removeSrcFile=0; argument++; break;
|
|
|
|
/* Checksum */
|
|
case 'C': FIO_setChecksumFlag(prefs, 2); argument++; break;
|
|
|
|
/* test compressed file */
|
|
case 't': operation=zom_test; argument++; break;
|
|
|
|
/* destination file name */
|
|
case 'o': argument++; NEXT_FIELD(outFileName); break;
|
|
|
|
/* limit memory */
|
|
case 'M':
|
|
argument++;
|
|
memLimit = readU32FromChar(&argument);
|
|
break;
|
|
case 'l': operation=zom_list; argument++; break;
|
|
#ifdef UTIL_HAS_CREATEFILELIST
|
|
/* recursive */
|
|
case 'r': recursive=1; argument++; break;
|
|
#endif
|
|
|
|
#ifndef ZSTD_NOBENCH
|
|
/* Benchmark */
|
|
case 'b':
|
|
operation=zom_bench;
|
|
argument++;
|
|
break;
|
|
|
|
/* range bench (benchmark only) */
|
|
case 'e':
|
|
/* compression Level */
|
|
argument++;
|
|
cLevelLast = (int)readU32FromChar(&argument);
|
|
break;
|
|
|
|
/* Modify Nb Iterations (benchmark only) */
|
|
case 'i':
|
|
argument++;
|
|
bench_nbSeconds = readU32FromChar(&argument);
|
|
break;
|
|
|
|
/* cut input into blocks (benchmark only) */
|
|
case 'B':
|
|
argument++;
|
|
blockSize = readU32FromChar(&argument);
|
|
break;
|
|
|
|
/* benchmark files separately (hidden option) */
|
|
case 'S':
|
|
argument++;
|
|
separateFiles = 1;
|
|
break;
|
|
|
|
#endif /* ZSTD_NOBENCH */
|
|
|
|
/* nb of threads (hidden option) */
|
|
case 'T':
|
|
argument++;
|
|
nbWorkers = readU32FromChar(&argument);
|
|
break;
|
|
|
|
/* Dictionary Selection level */
|
|
case 's':
|
|
argument++;
|
|
dictSelect = readU32FromChar(&argument);
|
|
break;
|
|
|
|
/* Pause at the end (-p) or set an additional param (-p#) (hidden option) */
|
|
case 'p': argument++;
|
|
#ifndef ZSTD_NOBENCH
|
|
if ((*argument>='0') && (*argument<='9')) {
|
|
benchParams.additionalParam = (int)readU32FromChar(&argument);
|
|
} else
|
|
#endif
|
|
main_pause=1;
|
|
break;
|
|
|
|
/* Select compressibility of synthetic sample */
|
|
case 'P':
|
|
argument++;
|
|
compressibility = (double)readU32FromChar(&argument) / 100;
|
|
break;
|
|
|
|
/* unknown command */
|
|
default : badusage(programName); CLEAN_RETURN(1);
|
|
}
|
|
}
|
|
continue;
|
|
} /* if (argument[0]=='-') */
|
|
|
|
/* none of the above : add filename to list */
|
|
UTIL_refFilename(filenames, argument);
|
|
}
|
|
|
|
/* Welcome message (if verbose) */
|
|
DISPLAYLEVEL(3, WELCOME_MESSAGE);
|
|
|
|
#ifdef ZSTD_MULTITHREAD
|
|
if ((operation==zom_decompress) && (!singleThread) && (nbWorkers > 1)) {
|
|
DISPLAYLEVEL(2, "Warning : decompression does not support multi-threading\n");
|
|
}
|
|
if ((nbWorkers==0) && (!singleThread)) {
|
|
/* automatically set # workers based on # of reported cpus */
|
|
if (defaultLogicalCores) {
|
|
nbWorkers = (unsigned)UTIL_countLogicalCores();
|
|
DISPLAYLEVEL(3, "Note: %d logical core(s) detected \n", nbWorkers);
|
|
} else {
|
|
nbWorkers = (unsigned)UTIL_countPhysicalCores();
|
|
DISPLAYLEVEL(3, "Note: %d physical core(s) detected \n", nbWorkers);
|
|
}
|
|
}
|
|
#else
|
|
(void)singleThread; (void)nbWorkers; (void)defaultLogicalCores;
|
|
#endif
|
|
|
|
g_utilDisplayLevel = g_displayLevel;
|
|
|
|
#ifdef UTIL_HAS_CREATEFILELIST
|
|
if (!followLinks) {
|
|
unsigned u, fileNamesNb;
|
|
unsigned const nbFilenames = (unsigned)filenames->tableSize;
|
|
for (u=0, fileNamesNb=0; u<nbFilenames; u++) {
|
|
if ( UTIL_isLink(filenames->fileNames[u])
|
|
&& !UTIL_isFIFO(filenames->fileNames[u])
|
|
) {
|
|
DISPLAYLEVEL(2, "Warning : %s is a symbolic link, ignoring \n", filenames->fileNames[u]);
|
|
} else {
|
|
filenames->fileNames[fileNamesNb++] = filenames->fileNames[u];
|
|
} }
|
|
if (fileNamesNb == 0 && nbFilenames > 0) /* all names are eliminated */
|
|
CLEAN_RETURN(1);
|
|
filenames->tableSize = fileNamesNb;
|
|
} /* if (!followLinks) */
|
|
|
|
/* read names from a file */
|
|
if (file_of_names->tableSize) {
|
|
size_t const nbFileLists = file_of_names->tableSize;
|
|
size_t flNb;
|
|
for (flNb=0; flNb < nbFileLists; flNb++) {
|
|
FileNamesTable* const fnt = UTIL_createFileNamesTable_fromFileName(file_of_names->fileNames[flNb]);
|
|
if (fnt==NULL) {
|
|
DISPLAYLEVEL(1, "zstd: error reading %s \n", file_of_names->fileNames[flNb]);
|
|
CLEAN_RETURN(1);
|
|
}
|
|
filenames = UTIL_mergeFileNamesTable(filenames, fnt);
|
|
}
|
|
}
|
|
|
|
nbInputFileNames = filenames->tableSize; /* saving number of input files */
|
|
|
|
if (recursive) { /* at this stage, filenameTable is a list of paths, which can contain both files and directories */
|
|
UTIL_expandFNT(&filenames, followLinks);
|
|
}
|
|
#else
|
|
(void)followLinks;
|
|
#endif
|
|
|
|
if (operation == zom_list) {
|
|
#ifndef ZSTD_NODECOMPRESS
|
|
int const ret = FIO_listMultipleFiles((unsigned)filenames->tableSize, filenames->fileNames, g_displayLevel);
|
|
CLEAN_RETURN(ret);
|
|
#else
|
|
DISPLAYLEVEL(1, "file information is not supported \n");
|
|
CLEAN_RETURN(1);
|
|
#endif
|
|
}
|
|
|
|
/* Check if benchmark is selected */
|
|
if (operation==zom_bench) {
|
|
#ifndef ZSTD_NOBENCH
|
|
if (cType != FIO_zstdCompression) {
|
|
DISPLAYLEVEL(1, "benchmark mode is only compatible with zstd format \n");
|
|
CLEAN_RETURN(1);
|
|
}
|
|
benchParams.blockSize = blockSize;
|
|
benchParams.nbWorkers = (int)nbWorkers;
|
|
benchParams.realTime = (unsigned)setRealTimePrio;
|
|
benchParams.nbSeconds = bench_nbSeconds;
|
|
benchParams.ldmFlag = ldmFlag;
|
|
benchParams.ldmMinMatch = (int)g_ldmMinMatch;
|
|
benchParams.ldmHashLog = (int)g_ldmHashLog;
|
|
benchParams.useRowMatchFinder = (int)useRowMatchFinder;
|
|
if (g_ldmBucketSizeLog != LDM_PARAM_DEFAULT) {
|
|
benchParams.ldmBucketSizeLog = (int)g_ldmBucketSizeLog;
|
|
}
|
|
if (g_ldmHashRateLog != LDM_PARAM_DEFAULT) {
|
|
benchParams.ldmHashRateLog = (int)g_ldmHashRateLog;
|
|
}
|
|
benchParams.literalCompressionMode = literalCompressionMode;
|
|
|
|
if (cLevel > ZSTD_maxCLevel()) cLevel = ZSTD_maxCLevel();
|
|
if (cLevelLast > ZSTD_maxCLevel()) cLevelLast = ZSTD_maxCLevel();
|
|
if (cLevelLast < cLevel) cLevelLast = cLevel;
|
|
if (cLevelLast > cLevel)
|
|
DISPLAYLEVEL(3, "Benchmarking levels from %d to %d\n", cLevel, cLevelLast);
|
|
if (filenames->tableSize > 0) {
|
|
if(separateFiles) {
|
|
unsigned i;
|
|
for(i = 0; i < filenames->tableSize; i++) {
|
|
int c;
|
|
DISPLAYLEVEL(3, "Benchmarking %s \n", filenames->fileNames[i]);
|
|
for(c = cLevel; c <= cLevelLast; c++) {
|
|
operationResult = BMK_benchFilesAdvanced(&filenames->fileNames[i], 1, dictFileName, c, &compressionParams, g_displayLevel, &benchParams);
|
|
} }
|
|
} else {
|
|
for(; cLevel <= cLevelLast; cLevel++) {
|
|
operationResult = BMK_benchFilesAdvanced(filenames->fileNames, (unsigned)filenames->tableSize, dictFileName, cLevel, &compressionParams, g_displayLevel, &benchParams);
|
|
} }
|
|
} else {
|
|
for(; cLevel <= cLevelLast; cLevel++) {
|
|
operationResult = BMK_syntheticTest(cLevel, compressibility, &compressionParams, g_displayLevel, &benchParams);
|
|
} }
|
|
|
|
#else
|
|
(void)bench_nbSeconds; (void)blockSize; (void)setRealTimePrio; (void)separateFiles; (void)compressibility;
|
|
#endif
|
|
goto _end;
|
|
}
|
|
|
|
/* Check if dictionary builder is selected */
|
|
if (operation==zom_train) {
|
|
#ifndef ZSTD_NODICT
|
|
ZDICT_params_t zParams;
|
|
zParams.compressionLevel = dictCLevel;
|
|
zParams.notificationLevel = (unsigned)g_displayLevel;
|
|
zParams.dictID = dictID;
|
|
if (dict == cover) {
|
|
int const optimize = !coverParams.k || !coverParams.d;
|
|
coverParams.nbThreads = (unsigned)nbWorkers;
|
|
coverParams.zParams = zParams;
|
|
operationResult = DiB_trainFromFiles(outFileName, maxDictSize, filenames->fileNames, (int)filenames->tableSize, blockSize, NULL, &coverParams, NULL, optimize, memLimit);
|
|
} else if (dict == fastCover) {
|
|
int const optimize = !fastCoverParams.k || !fastCoverParams.d;
|
|
fastCoverParams.nbThreads = (unsigned)nbWorkers;
|
|
fastCoverParams.zParams = zParams;
|
|
operationResult = DiB_trainFromFiles(outFileName, maxDictSize, filenames->fileNames, (int)filenames->tableSize, blockSize, NULL, NULL, &fastCoverParams, optimize, memLimit);
|
|
} else {
|
|
ZDICT_legacy_params_t dictParams;
|
|
memset(&dictParams, 0, sizeof(dictParams));
|
|
dictParams.selectivityLevel = dictSelect;
|
|
dictParams.zParams = zParams;
|
|
operationResult = DiB_trainFromFiles(outFileName, maxDictSize, filenames->fileNames, (int)filenames->tableSize, blockSize, &dictParams, NULL, NULL, 0, memLimit);
|
|
}
|
|
#else
|
|
(void)dictCLevel; (void)dictSelect; (void)dictID; (void)maxDictSize; /* not used when ZSTD_NODICT set */
|
|
DISPLAYLEVEL(1, "training mode not available \n");
|
|
operationResult = 1;
|
|
#endif
|
|
goto _end;
|
|
}
|
|
|
|
#ifndef ZSTD_NODECOMPRESS
|
|
if (operation==zom_test) { FIO_setTestMode(prefs, 1); outFileName=nulmark; removeSrcFile=0; } /* test mode */
|
|
#endif
|
|
|
|
/* No input filename ==> use stdin and stdout */
|
|
if (filenames->tableSize == 0) {
|
|
/* It is possible that the input
|
|
was a number of empty directories. In this case
|
|
stdin and stdout should not be used */
|
|
if (nbInputFileNames > 0 ){
|
|
DISPLAYLEVEL(1, "please provide correct input file(s) or non-empty directories -- ignored \n");
|
|
CLEAN_RETURN(0);
|
|
}
|
|
UTIL_refFilename(filenames, stdinmark);
|
|
}
|
|
|
|
if (filenames->tableSize == 1 && !strcmp(filenames->fileNames[0], stdinmark) && !outFileName)
|
|
outFileName = stdoutmark; /* when input is stdin, default output is stdout */
|
|
|
|
/* Check if input/output defined as console; trigger an error in this case */
|
|
if (!forceStdin
|
|
&& (UTIL_searchFileNamesTable(filenames, stdinmark) != -1)
|
|
&& UTIL_isConsole(stdin) ) {
|
|
DISPLAYLEVEL(1, "stdin is a console, aborting\n");
|
|
CLEAN_RETURN(1);
|
|
}
|
|
if ( (!outFileName || !strcmp(outFileName, stdoutmark))
|
|
&& UTIL_isConsole(stdout)
|
|
&& (UTIL_searchFileNamesTable(filenames, stdinmark) != -1)
|
|
&& !forceStdout
|
|
&& operation!=zom_decompress ) {
|
|
DISPLAYLEVEL(1, "stdout is a console, aborting\n");
|
|
CLEAN_RETURN(1);
|
|
}
|
|
|
|
#ifndef ZSTD_NOCOMPRESS
|
|
/* check compression level limits */
|
|
{ int const maxCLevel = ultra ? ZSTD_maxCLevel() : ZSTDCLI_CLEVEL_MAX;
|
|
if (cLevel > maxCLevel) {
|
|
DISPLAYLEVEL(2, "Warning : compression level higher than max, reduced to %i \n", maxCLevel);
|
|
cLevel = maxCLevel;
|
|
} }
|
|
#endif
|
|
|
|
if (showDefaultCParams) {
|
|
if (operation == zom_decompress) {
|
|
DISPLAYLEVEL(1, "error : can't use --show-default-cparams in decompression mode \n");
|
|
CLEAN_RETURN(1);
|
|
}
|
|
}
|
|
|
|
if (dictFileName != NULL && patchFromDictFileName != NULL) {
|
|
DISPLAYLEVEL(1, "error : can't use -D and --patch-from=# at the same time \n");
|
|
CLEAN_RETURN(1);
|
|
}
|
|
|
|
if (patchFromDictFileName != NULL && filenames->tableSize > 1) {
|
|
DISPLAYLEVEL(1, "error : can't use --patch-from=# on multiple files \n");
|
|
CLEAN_RETURN(1);
|
|
}
|
|
|
|
/* No status message by default when output is stdout */
|
|
hasStdout = outFileName && !strcmp(outFileName,stdoutmark);
|
|
if (hasStdout && (g_displayLevel==2)) g_displayLevel=1;
|
|
|
|
/* when stderr is not the console, do not pollute it with progress updates (unless requested) */
|
|
if (!UTIL_isConsole(stderr) && (progress!=FIO_ps_always)) progress=FIO_ps_never;
|
|
FIO_setProgressSetting(progress);
|
|
|
|
/* don't remove source files when output is stdout */;
|
|
if (hasStdout && removeSrcFile) {
|
|
DISPLAYLEVEL(3, "Note: src files are not removed when output is stdout \n");
|
|
removeSrcFile = 0;
|
|
}
|
|
FIO_setRemoveSrcFile(prefs, removeSrcFile);
|
|
|
|
/* IO Stream/File */
|
|
FIO_setHasStdoutOutput(fCtx, hasStdout);
|
|
FIO_setNbFilesTotal(fCtx, (int)filenames->tableSize);
|
|
FIO_determineHasStdinInput(fCtx, filenames);
|
|
FIO_setNotificationLevel(g_displayLevel);
|
|
FIO_setAllowBlockDevices(prefs, allowBlockDevices);
|
|
FIO_setPatchFromMode(prefs, patchFromDictFileName != NULL);
|
|
FIO_setMMapDict(prefs, mmapDict);
|
|
if (memLimit == 0) {
|
|
if (compressionParams.windowLog == 0) {
|
|
memLimit = (U32)1 << g_defaultMaxWindowLog;
|
|
} else {
|
|
memLimit = (U32)1 << (compressionParams.windowLog & 31);
|
|
} }
|
|
if (patchFromDictFileName != NULL)
|
|
dictFileName = patchFromDictFileName;
|
|
FIO_setMemLimit(prefs, memLimit);
|
|
if (operation==zom_compress) {
|
|
#ifndef ZSTD_NOCOMPRESS
|
|
FIO_setCompressionType(prefs, cType);
|
|
FIO_setContentSize(prefs, contentSize);
|
|
FIO_setNbWorkers(prefs, (int)nbWorkers);
|
|
FIO_setBlockSize(prefs, (int)blockSize);
|
|
if (g_overlapLog!=OVERLAP_LOG_DEFAULT) FIO_setOverlapLog(prefs, (int)g_overlapLog);
|
|
FIO_setLdmFlag(prefs, (unsigned)ldmFlag);
|
|
FIO_setLdmHashLog(prefs, (int)g_ldmHashLog);
|
|
FIO_setLdmMinMatch(prefs, (int)g_ldmMinMatch);
|
|
if (g_ldmBucketSizeLog != LDM_PARAM_DEFAULT) FIO_setLdmBucketSizeLog(prefs, (int)g_ldmBucketSizeLog);
|
|
if (g_ldmHashRateLog != LDM_PARAM_DEFAULT) FIO_setLdmHashRateLog(prefs, (int)g_ldmHashRateLog);
|
|
FIO_setAdaptiveMode(prefs, adapt);
|
|
FIO_setUseRowMatchFinder(prefs, (int)useRowMatchFinder);
|
|
FIO_setAdaptMin(prefs, adaptMin);
|
|
FIO_setAdaptMax(prefs, adaptMax);
|
|
FIO_setRsyncable(prefs, rsyncable);
|
|
FIO_setStreamSrcSize(prefs, streamSrcSize);
|
|
FIO_setTargetCBlockSize(prefs, targetCBlockSize);
|
|
FIO_setSrcSizeHint(prefs, srcSizeHint);
|
|
FIO_setLiteralCompressionMode(prefs, literalCompressionMode);
|
|
FIO_setSparseWrite(prefs, 0);
|
|
if (adaptMin > cLevel) cLevel = adaptMin;
|
|
if (adaptMax < cLevel) cLevel = adaptMax;
|
|
|
|
/* Compare strategies constant with the ground truth */
|
|
{ ZSTD_bounds strategyBounds = ZSTD_cParam_getBounds(ZSTD_c_strategy);
|
|
assert(ZSTD_NB_STRATEGIES == strategyBounds.upperBound);
|
|
(void)strategyBounds; }
|
|
|
|
if (showDefaultCParams || g_displayLevel >= 4) {
|
|
size_t fileNb;
|
|
for (fileNb = 0; fileNb < (size_t)filenames->tableSize; fileNb++) {
|
|
if (showDefaultCParams)
|
|
printDefaultCParams(filenames->fileNames[fileNb], dictFileName, cLevel);
|
|
if (g_displayLevel >= 4)
|
|
printActualCParams(filenames->fileNames[fileNb], dictFileName, cLevel, &compressionParams);
|
|
}
|
|
}
|
|
|
|
if (g_displayLevel >= 4)
|
|
FIO_displayCompressionParameters(prefs);
|
|
if ((filenames->tableSize==1) && outFileName)
|
|
operationResult = FIO_compressFilename(fCtx, prefs, outFileName, filenames->fileNames[0], dictFileName, cLevel, compressionParams);
|
|
else
|
|
operationResult = FIO_compressMultipleFilenames(fCtx, prefs, filenames->fileNames, outMirroredDirName, outDirName, outFileName, suffix, dictFileName, cLevel, compressionParams);
|
|
#else
|
|
/* these variables are only used when compression mode is enabled */
|
|
(void)contentSize; (void)suffix; (void)adapt; (void)rsyncable;
|
|
(void)ultra; (void)cLevel; (void)ldmFlag; (void)literalCompressionMode;
|
|
(void)targetCBlockSize; (void)streamSrcSize; (void)srcSizeHint;
|
|
(void)ZSTD_strategyMap; (void)useRowMatchFinder; (void)cType;
|
|
DISPLAYLEVEL(1, "Compression not supported \n");
|
|
#endif
|
|
} else { /* decompression or test */
|
|
#ifndef ZSTD_NODECOMPRESS
|
|
if (filenames->tableSize == 1 && outFileName) {
|
|
operationResult = FIO_decompressFilename(fCtx, prefs, outFileName, filenames->fileNames[0], dictFileName);
|
|
} else {
|
|
operationResult = FIO_decompressMultipleFilenames(fCtx, prefs, filenames->fileNames, outMirroredDirName, outDirName, outFileName, dictFileName);
|
|
}
|
|
#else
|
|
DISPLAYLEVEL(1, "Decompression not supported \n");
|
|
#endif
|
|
}
|
|
|
|
_end:
|
|
FIO_freePreferences(prefs);
|
|
FIO_freeContext(fCtx);
|
|
if (main_pause) waitEnter();
|
|
UTIL_freeFileNamesTable(filenames);
|
|
UTIL_freeFileNamesTable(file_of_names);
|
|
#ifndef ZSTD_NOTRACE
|
|
TRACE_finish();
|
|
#endif
|
|
|
|
return operationResult;
|
|
}
|