ByConity/programs/main.cpp

485 lines
14 KiB
C++

/*
* Copyright 2016-2023 ClickHouse, Inc.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* This file may have been modified by Bytedance Ltd. and/or its affiliates (“ Bytedance's Modifications”).
* All Bytedance's Modifications are Copyright (2023) Bytedance Ltd. and/or its affiliates.
*/
#include <signal.h>
#include <setjmp.h>
#include <unistd.h>
#ifdef __linux__
#include <sys/mman.h>
#endif
#include <new>
#include <iostream>
#include <vector>
#include <string>
#include <tuple>
#include <utility> /// pair
#if !defined(ARCADIA_BUILD)
# include "config_core.h"
# include "config_tools.h"
#endif
#include <Common/StringUtils/StringUtils.h>
#include <Common/getHashOfLoadedBinary.h>
#include <Common/IO.h>
#include <common/phdr_cache.h>
#include <common/scope_guard.h>
#if USE_JEMALLOC
#include <unistd.h>
namespace DB::ErrorCodes
{
extern const int PROF_NOT_SET;
extern const int STD_EXCEPTION;
}
#endif
/// Universal executable for various clickhouse applications
#if ENABLE_CLICKHOUSE_SERVER
int mainEntryClickHouseServer(int argc, char ** argv);
#endif
#if ENABLE_CLICKHOUSE_CLIENT
int mainEntryClickHouseClient(int argc, char ** argv);
#endif
#if ENABLE_CLICKHOUSE_LOCAL
int mainEntryClickHouseLocal(int argc, char ** argv);
#endif
#if ENABLE_CLICKHOUSE_BENCHMARK
int mainEntryClickHouseBenchmark(int argc, char ** argv);
#endif
#if ENABLE_CLICKHOUSE_EXTRACT_FROM_CONFIG
int mainEntryClickHouseExtractFromConfig(int argc, char ** argv);
#endif
#if ENABLE_CLICKHOUSE_COMPRESSOR
int mainEntryClickHouseCompressor(int argc, char ** argv);
#endif
#if ENABLE_CLICKHOUSE_FORMAT
int mainEntryClickHouseFormat(int argc, char ** argv);
#endif
#if ENABLE_CLICKHOUSE_COPIER
int mainEntryClickHouseClusterCopier(int argc, char ** argv);
#endif
#if ENABLE_CLICKHOUSE_OBFUSCATOR
int mainEntryClickHouseObfuscator(int argc, char ** argv);
#endif
#if ENABLE_CLICKHOUSE_GIT_IMPORT
int mainEntryClickHouseGitImport(int argc, char ** argv);
#endif
#if ENABLE_CLICKHOUSE_KEEPER
int mainEntryClickHouseKeeper(int argc, char ** argv);
#endif
#if ENABLE_CLICKHOUSE_KEEPER
int mainEntryClickHouseKeeperConverter(int argc, char ** argv);
#endif
#if ENABLE_CLICKHOUSE_PART_TOOLKIT
int mainEntryClickhousePartToolkit(int argc, char ** argv);
int mainEntryClickhousePartMerger(int argc, char ** argv);
int mainEntryClickhouseS3RenameTool(int argc, char ** argv);
int mainEntryClickhouseS3MetaSanitizer(int argc, char ** argv);
#endif
#if ENABLE_CLICKHOUSE_DUMPER
int mainEntryClickHouseDumper(int argc, char ** argv);
#endif
#if ENABLE_CLICKHOUSE_META_INSPECTOR
int mainEntryClickhouseMetaInspector(int argc, char ** argv);
#endif
#if ENABLE_CLICKHOUSE_INSTALL
int mainEntryClickHouseInstall(int argc, char ** argv);
int mainEntryClickHouseStart(int argc, char ** argv);
int mainEntryClickHouseStop(int argc, char ** argv);
int mainEntryClickHouseStatus(int argc, char ** argv);
int mainEntryClickHouseRestart(int argc, char ** argv);
#endif
#if ENABLE_CLICKHOUSE_DAEMON_MANAGER
int mainEntryClickHouseDaemonManager(int argc, char ** argv);
#endif
#if ENABLE_CLICKHOUSE_RESOURCE_MANAGER
int mainEntryClickHouseResourceManager(int argc, char ** argv);
#endif
#if ENABLE_CLICKHOUSE_TSO_SERVER
int mainEntryClickHouseTSOServer(int argc, char ** argv);
#endif
#if ENABLE_CLICKHOUSE_STORAGE_TOOLS
int mainEntryStorageTools(int argc, char ** argv);
#endif
#if ENABLE_CLICKHOUSE_SCHEMA_ADVISOR
int mainEntryClickHouseSchemaAdvisor(int argc, char ** argv);
#endif
int mainEntryClickHouseHashBinary(int, char **)
{
/// Intentionally without newline. So you can run:
/// objcopy --add-section .note.ClickHouse.hash=<(./clickhouse hash-binary) clickhouse
std::cout << getHashOfLoadedBinaryHex();
return 0;
}
#define ARRAY_SIZE(a) (sizeof(a)/sizeof((a)[0]))
namespace
{
using MainFunc = int (*)(int, char**);
/// Add an item here to register new application
std::pair<const char *, MainFunc> clickhouse_applications[] =
{
#if ENABLE_CLICKHOUSE_LOCAL
{"local", mainEntryClickHouseLocal},
#endif
#if ENABLE_CLICKHOUSE_CLIENT
{"client", mainEntryClickHouseClient},
#endif
#if ENABLE_CLICKHOUSE_BENCHMARK
{"benchmark", mainEntryClickHouseBenchmark},
#endif
#if ENABLE_CLICKHOUSE_SERVER
{"server", mainEntryClickHouseServer},
#endif
#if ENABLE_CLICKHOUSE_EXTRACT_FROM_CONFIG
{"extract-from-config", mainEntryClickHouseExtractFromConfig},
#endif
#if ENABLE_CLICKHOUSE_COMPRESSOR
{"compressor", mainEntryClickHouseCompressor},
#endif
#if ENABLE_CLICKHOUSE_FORMAT
{"format", mainEntryClickHouseFormat},
#endif
#if ENABLE_CLICKHOUSE_COPIER
{"copier", mainEntryClickHouseClusterCopier},
#endif
#if ENABLE_CLICKHOUSE_OBFUSCATOR
{"obfuscator", mainEntryClickHouseObfuscator},
#endif
#if ENABLE_CLICKHOUSE_GIT_IMPORT
{"git-import", mainEntryClickHouseGitImport},
#endif
#if ENABLE_CLICKHOUSE_KEEPER
{"keeper", mainEntryClickHouseKeeper},
#endif
#if ENABLE_CLICKHOUSE_KEEPER_CONVERTER
{"keeper-converter", mainEntryClickHouseKeeperConverter},
#endif
#if ENABLE_CLICKHOUSE_PART_TOOLKIT
{"part-toolkit", mainEntryClickhousePartToolkit},
{"part-writer", mainEntryClickhousePartToolkit},
{"part-converter", mainEntryClickhousePartToolkit},
{"part-merger", mainEntryClickhousePartMerger},
{"s3-rename", mainEntryClickhouseS3RenameTool},
{"s3-meta-sanitizer", mainEntryClickhouseS3MetaSanitizer},
#endif
#if ENABLE_CLICKHOUSE_DUMPER
{"dumper", mainEntryClickHouseDumper},
#endif
#if ENABLE_CLICKHOUSE_META_INSPECTOR
{"meta-inspector", mainEntryClickhouseMetaInspector},
#endif
#if ENABLE_CLICKHOUSE_INSTALL
{"install", mainEntryClickHouseInstall},
{"start", mainEntryClickHouseStart},
{"stop", mainEntryClickHouseStop},
{"status", mainEntryClickHouseStatus},
{"restart", mainEntryClickHouseRestart},
#endif
{"hash-binary", mainEntryClickHouseHashBinary},
#if ENABLE_CLICKHOUSE_DAEMON_MANAGER
{"daemon-manager", mainEntryClickHouseDaemonManager},
{"daemon_manager", mainEntryClickHouseDaemonManager},
#endif
#if ENABLE_CLICKHOUSE_RESOURCE_MANAGER
{"resource-manager", mainEntryClickHouseResourceManager},
{"resource_manager", mainEntryClickHouseResourceManager},
#endif
#if ENABLE_CLICKHOUSE_TSO_SERVER
{"tso-server", mainEntryClickHouseTSOServer},
{"tso_server", mainEntryClickHouseTSOServer},
#endif
#if ENABLE_CLICKHOUSE_STORAGE_TOOLS
{"storage-tools", mainEntryStorageTools},
{"storage_tools", mainEntryStorageTools},
#endif
#if ENABLE_CLICKHOUSE_SCHEMA_ADVISOR
{"schema-advisor", mainEntryClickHouseSchemaAdvisor},
#endif
};
int printHelp(int, char **)
{
std::cerr << "Use one of the following commands:" << std::endl;
for (auto & application : clickhouse_applications)
std::cerr << "clickhouse " << application.first << " [args] " << std::endl;
return -1;
}
bool isClickhouseApp(const std::string & app_suffix, std::vector<char *> & argv)
{
/// Use app if the first arg 'app' is passed (the arg should be quietly removed)
if (argv.size() >= 2)
{
auto first_arg = argv.begin() + 1;
/// 'clickhouse --client ...' and 'clickhouse client ...' are Ok
if (*first_arg == "--" + app_suffix || *first_arg == app_suffix)
{
argv.erase(first_arg);
return true;
}
}
/// Use app if clickhouse binary is run through symbolic link with name clickhouse-app
std::string app_name = "clickhouse-" + app_suffix;
return !argv.empty() && (app_name == argv[0] || endsWith(argv[0], "/" + app_name) ||
app_suffix == argv[0] || endsWith(argv[0], "/" + app_suffix));
}
enum class InstructionFail
{
NONE = 0,
SSE3 = 1,
SSSE3 = 2,
SSE4_1 = 3,
SSE4_2 = 4,
POPCNT = 5,
AVX = 6,
AVX2 = 7,
AVX512 = 8
};
auto instructionFailToString(InstructionFail fail)
{
switch (fail)
{
#define ret(x) return std::make_tuple(STDERR_FILENO, x, ARRAY_SIZE(x) - 1)
case InstructionFail::NONE:
ret("NONE");
case InstructionFail::SSE3:
ret("SSE3");
case InstructionFail::SSSE3:
ret("SSSE3");
case InstructionFail::SSE4_1:
ret("SSE4.1");
case InstructionFail::SSE4_2:
ret("SSE4.2");
case InstructionFail::POPCNT:
ret("POPCNT");
case InstructionFail::AVX:
ret("AVX");
case InstructionFail::AVX2:
ret("AVX2");
case InstructionFail::AVX512:
ret("AVX512");
}
__builtin_unreachable();
}
sigjmp_buf jmpbuf;
[[noreturn]] void sigIllCheckHandler(int, siginfo_t *, void *)
{
siglongjmp(jmpbuf, 1);
}
/// Check if necessary SSE extensions are available by trying to execute some sse instructions.
/// If instruction is unavailable, SIGILL will be sent by kernel.
void checkRequiredInstructionsImpl(volatile InstructionFail & fail)
{
#if defined(__SSE3__)
fail = InstructionFail::SSE3;
__asm__ volatile ("addsubpd %%xmm0, %%xmm0" : : : "xmm0");
#endif
#if defined(__SSSE3__)
fail = InstructionFail::SSSE3;
__asm__ volatile ("pabsw %%xmm0, %%xmm0" : : : "xmm0");
#endif
#if defined(__SSE4_1__)
fail = InstructionFail::SSE4_1;
__asm__ volatile ("pmaxud %%xmm0, %%xmm0" : : : "xmm0");
#endif
#if defined(__SSE4_2__)
fail = InstructionFail::SSE4_2;
__asm__ volatile ("pcmpgtq %%xmm0, %%xmm0" : : : "xmm0");
#endif
/// Defined by -msse4.2
#if defined(__POPCNT__)
fail = InstructionFail::POPCNT;
{
uint64_t a = 0;
uint64_t b = 0;
__asm__ volatile ("popcnt %1, %0" : "=r"(a) :"r"(b) :);
}
#endif
#if defined(__AVX__)
fail = InstructionFail::AVX;
__asm__ volatile ("vaddpd %%ymm0, %%ymm0, %%ymm0" : : : "ymm0");
#endif
#if defined(__AVX2__)
fail = InstructionFail::AVX2;
__asm__ volatile ("vpabsw %%ymm0, %%ymm0" : : : "ymm0");
#endif
#if defined(__AVX512__)
fail = InstructionFail::AVX512;
__asm__ volatile ("vpabsw %%zmm0, %%zmm0" : : : "zmm0");
#endif
fail = InstructionFail::NONE;
}
/// Macros to avoid using strlen(), since it may fail if SSE is not supported.
#define writeError(data) do \
{ \
static_assert(__builtin_constant_p(data)); \
if (!writeRetry(STDERR_FILENO, data, ARRAY_SIZE(data) - 1)) \
_Exit(1); \
} while (false)
/// Check SSE and others instructions availability. Calls exit on fail.
/// This function must be called as early as possible, even before main, because static initializers may use unavailable instructions.
void checkRequiredInstructions()
{
struct sigaction sa{};
struct sigaction sa_old{};
sa.sa_sigaction = sigIllCheckHandler;
sa.sa_flags = SA_SIGINFO;
auto signal = SIGILL;
if (sigemptyset(&sa.sa_mask) != 0
|| sigaddset(&sa.sa_mask, signal) != 0
|| sigaction(signal, &sa, &sa_old) != 0)
{
/// You may wonder about strlen.
/// Typical implementation of strlen is using SSE4.2 or AVX2.
/// But this is not the case because it's compiler builtin and is executed at compile time.
writeError("Can not set signal handler\n");
_Exit(1);
}
volatile InstructionFail fail = InstructionFail::NONE;
if (sigsetjmp(jmpbuf, 1))
{
writeError("Instruction check fail. The CPU does not support ");
if (!std::apply(writeRetry, instructionFailToString(fail)))
_Exit(1);
writeError(" instruction set.\n");
_Exit(1);
}
checkRequiredInstructionsImpl(fail);
if (sigaction(signal, &sa_old, nullptr))
{
writeError("Can not set signal handler\n");
_Exit(1);
}
}
struct Checker
{
Checker()
{
checkRequiredInstructions();
}
} checker;
}
#if USE_JEMALLOC
/* Since the jemalloc read MALLOC_CONF only during program start,
* set env when running does not work.
* So leverage `execv` to replace the running image with the new MALLOC_CONF env
*/
static int generalExevc(char ** argv_)
{
if (execvp(argv_[0], argv_) < 0)
{
std::cerr << "execv failed, error code: " << errno << ", " << strerror(errno) << std::endl;
return DB::ErrorCodes::STD_EXCEPTION;
}
return 0;
}
#endif
/// This allows to implement assert to forbid initialization of a class in static constructors.
/// Usage:
///
/// extern bool inside_main;
/// class C { C() { assert(inside_main); } };
bool inside_main = false;
int main(int argc_, char ** argv_)
{
inside_main = true;
SCOPE_EXIT({ inside_main = false; });
/// Reset new handler to default (that throws std::bad_alloc)
/// It is needed because LLVM library clobbers it.
std::set_new_handler(nullptr);
/// PHDR cache is required for query profiler to work reliably
/// It also speed up exception handling, but exceptions from dynamically loaded libraries (dlopen)
/// will work only after additional call of this function.
updatePHDRCache();
std::vector<char *> argv(argv_, argv_ + argc_);
/// Print a basic help if nothing was matched
MainFunc main_func = printHelp;
for (auto & application : clickhouse_applications)
{
if (isClickhouseApp(application.first, argv))
{
main_func = application.second;
break;
}
}
int code = main_func(static_cast<int>(argv.size()), argv.data());
#if USE_JEMALLOC
if (code == DB::ErrorCodes::PROF_NOT_SET)
{
code = generalExevc(argv_);
}
#endif
return code;
}