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homework-jianmu/source/dnode/mgmt/exe/dmMain.c

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/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define _DEFAULT_SOURCE
#include "dmMgmt.h"
#include "mnode.h"
#include "tconfig.h"
#include "tglobal.h"
#include "version.h"
#ifdef TD_JEMALLOC_ENABLED
#include "jemalloc/jemalloc.h"
#endif
#if defined(CUS_NAME) || defined(CUS_PROMPT) || defined(CUS_EMAIL)
#include "cus_name.h"
#else
#ifndef CUS_NAME
#define CUS_NAME "TDengine"
#endif
#ifndef CUS_PROMPT
#define CUS_PROMPT "taos"
#endif
#ifndef CUS_EMAIL
#define CUS_EMAIL "<support@taosdata.com>"
#endif
#endif
// clang-format off
#define DM_APOLLO_URL "The apollo string to use when configuring the server, such as: -a 'jsonFile:./tests/cfg.json', cfg.json text can be '{\"fqdn\":\"td1\"}'."
#define DM_CFG_DIR "Configuration directory."
#define DM_DMP_CFG "Dump configuration."
#define DM_SDB_INFO "Dump sdb info."
#define DM_ENV_CMD "The env cmd variable string to use when configuring the server, such as: -e 'TAOS_FQDN=td1'."
#define DM_ENV_FILE "The env variable file path to use when configuring the server, default is './.env', .env text can be 'TAOS_FQDN=td1'."
#define DM_MACHINE_CODE "Get machine code."
#define DM_VERSION "Print program version."
#define DM_EMAIL "<support@taosdata.com>"
#define DM_MEM_DBG "Enable memory debug"
// clang-format on
static struct {
#ifdef WINDOWS
bool winServiceMode;
#endif
bool dumpConfig;
bool dumpSdb;
bool generateGrant;
bool memDbg;
bool printAuth;
bool printVersion;
bool printHelp;
char envFile[PATH_MAX];
char apolloUrl[PATH_MAX];
const char **envCmd;
SArray *pArgs; // SConfigPair
int64_t startTime;
} global = {0};
static void dmSetDebugFlag(int32_t signum, void *sigInfo, void *context) { taosSetGlobalDebugFlag(143); }
static void dmSetAssert(int32_t signum, void *sigInfo, void *context) { tsAssert = 1; }
static void dmStopDnode(int signum, void *sigInfo, void *context) {
// taosIgnSignal(SIGUSR1);
// taosIgnSignal(SIGUSR2);
taosIgnSignal(SIGTERM);
taosIgnSignal(SIGHUP);
taosIgnSignal(SIGINT);
taosIgnSignal(SIGABRT);
taosIgnSignal(SIGBREAK);
dInfo("shut down signal is %d", signum);
#ifndef WINDOWS
dInfo("sender PID:%d cmdline:%s", ((siginfo_t *)sigInfo)->si_pid,
taosGetCmdlineByPID(((siginfo_t *)sigInfo)->si_pid));
#endif
dmStop();
}
void dmLogCrash(int signum, void *sigInfo, void *context) {
// taosIgnSignal(SIGTERM);
// taosIgnSignal(SIGHUP);
// taosIgnSignal(SIGINT);
// taosIgnSignal(SIGBREAK);
#ifndef WINDOWS
taosIgnSignal(SIGBUS);
#endif
taosIgnSignal(SIGABRT);
taosIgnSignal(SIGFPE);
taosIgnSignal(SIGSEGV);
char *pMsg = NULL;
const char *flags = "UTL FATAL ";
ELogLevel level = DEBUG_FATAL;
int32_t dflag = 255;
int64_t msgLen = -1;
if (tsEnableCrashReport) {
if (taosGenCrashJsonMsg(signum, &pMsg, dmGetClusterId(), global.startTime)) {
taosPrintLog(flags, level, dflag, "failed to generate crash json msg");
goto _return;
} else {
msgLen = strlen(pMsg);
}
}
_return:
taosLogCrashInfo("taosd", pMsg, msgLen, signum, sigInfo);
#ifdef _TD_DARWIN_64
exit(signum);
#elif defined(WINDOWS)
exit(signum);
#endif
}
static void dmSetSignalHandle() {
taosSetSignal(SIGUSR1, dmSetDebugFlag);
taosSetSignal(SIGUSR2, dmSetAssert);
taosSetSignal(SIGTERM, dmStopDnode);
taosSetSignal(SIGHUP, dmStopDnode);
taosSetSignal(SIGINT, dmStopDnode);
taosSetSignal(SIGBREAK, dmStopDnode);
#ifndef WINDOWS
taosSetSignal(SIGTSTP, dmStopDnode);
taosSetSignal(SIGQUIT, dmStopDnode);
#endif
#ifndef WINDOWS
taosSetSignal(SIGBUS, dmLogCrash);
#endif
taosSetSignal(SIGABRT, dmLogCrash);
taosSetSignal(SIGFPE, dmLogCrash);
taosSetSignal(SIGSEGV, dmLogCrash);
}
static int32_t dmParseArgs(int32_t argc, char const *argv[]) {
global.startTime = taosGetTimestampMs();
int32_t cmdEnvIndex = 0;
if (argc < 2) return 0;
global.envCmd = taosMemoryMalloc((argc - 1) * sizeof(char *));
memset(global.envCmd, 0, (argc - 1) * sizeof(char *));
for (int32_t i = 1; i < argc; ++i) {
if (strcmp(argv[i], "-c") == 0) {
if (i < argc - 1) {
if (strlen(argv[++i]) >= PATH_MAX) {
printf("config file path overflow");
return -1;
}
tstrncpy(configDir, argv[i], PATH_MAX);
} else {
printf("'-c' requires a parameter, default is %s\n", configDir);
return -1;
}
} else if (strcmp(argv[i], "-a") == 0) {
if(i < argc - 1) {
if (strlen(argv[++i]) >= PATH_MAX) {
printf("apollo url overflow");
return -1;
}
tstrncpy(global.apolloUrl, argv[i], PATH_MAX);
} else {
printf("'-a' requires a parameter\n");
return -1;
}
} else if (strcmp(argv[i], "-s") == 0) {
global.dumpSdb = true;
} else if (strcmp(argv[i], "-E") == 0) {
if(i < argc - 1) {
if (strlen(argv[++i]) >= PATH_MAX) {
printf("env file path overflow");
return -1;
}
tstrncpy(global.envFile, argv[i], PATH_MAX);
} else {
printf("'-E' requires a parameter\n");
return -1;
}
} else if (strcmp(argv[i], "-k") == 0) {
global.generateGrant = true;
} else if (strcmp(argv[i], "-C") == 0) {
global.dumpConfig = true;
} else if (strcmp(argv[i], "-V") == 0) {
global.printVersion = true;
#ifdef WINDOWS
} else if (strcmp(argv[i], "--win_service") == 0) {
global.winServiceMode = true;
#endif
} else if (strcmp(argv[i], "-e") == 0) {
global.envCmd[cmdEnvIndex] = argv[++i];
cmdEnvIndex++;
} else if (strcmp(argv[i], "-dm") == 0) {
global.memDbg = true;
} else if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0 || strcmp(argv[i], "--usage") == 0 ||
strcmp(argv[i], "-?") == 0) {
global.printHelp = true;
} else {
}
}
return 0;
}
static void dmPrintArgs(int32_t argc, char const *argv[]) {
char path[1024] = {0};
taosGetCwd(path, sizeof(path));
char args[1024] = {0};
int32_t arglen = snprintf(args, sizeof(args), "%s", argv[0]);
for (int32_t i = 1; i < argc; ++i) {
arglen = arglen + snprintf(args + arglen, sizeof(args) - arglen, " %s", argv[i]);
}
dInfo("startup path:%s args:%s", path, args);
}
static void dmGenerateGrant() { mndGenerateMachineCode(); }
static void dmPrintVersion() {
#ifdef TD_ENTERPRISE
char *releaseName = "enterprise";
#else
char *releaseName = "community";
#endif
printf("%s version: %s compatible_version: %s\n", releaseName, version, compatible_version);
printf("gitinfo: %s\n", gitinfo);
#ifdef TD_ENTERPRISE
printf("gitinfoOfInternal: %s\n", gitinfoOfInternal);
#endif
printf("buildInfo: %s\n", buildinfo);
}
static void dmPrintHelp() {
char indent[] = " ";
printf("Usage: taosd [OPTION...] \n\n");
printf("%s%s%s%s\n", indent, "-a,", indent, DM_APOLLO_URL);
printf("%s%s%s%s\n", indent, "-c,", indent, DM_CFG_DIR);
printf("%s%s%s%s\n", indent, "-s,", indent, DM_SDB_INFO);
printf("%s%s%s%s\n", indent, "-C,", indent, DM_DMP_CFG);
printf("%s%s%s%s\n", indent, "-e,", indent, DM_ENV_CMD);
printf("%s%s%s%s\n", indent, "-E,", indent, DM_ENV_FILE);
printf("%s%s%s%s\n", indent, "-k,", indent, DM_MACHINE_CODE);
printf("%s%s%s%s\n", indent, "-dm,", indent, DM_MEM_DBG);
printf("%s%s%s%s\n", indent, "-V,", indent, DM_VERSION);
printf("\n\nReport bugs to %s.\n", DM_EMAIL);
}
static void dmDumpCfg() {
SConfig *pCfg = taosGetCfg();
cfgDumpCfg(pCfg, 0, true);
}
static int32_t dmInitLog() {
return taosCreateLog(CUS_PROMPT"dlog", 1, configDir, global.envCmd, global.envFile, global.apolloUrl, global.pArgs, 0);
}
static void taosCleanupArgs() {
if (global.envCmd != NULL) taosMemoryFreeClear(global.envCmd);
}
int main(int argc, char const *argv[]) {
#ifdef TD_JEMALLOC_ENABLED
bool jeBackgroundThread = true;
mallctl("background_thread", NULL, NULL, &jeBackgroundThread, sizeof(bool));
#endif
if (!taosCheckSystemIsLittleEnd()) {
printf("failed to start since on non-little-end machines\n");
return -1;
}
if (dmParseArgs(argc, argv) != 0) {
printf("failed to start since parse args error\n");
taosCleanupArgs();
return -1;
}
#ifdef WINDOWS
int mainWindows(int argc, char **argv);
if (global.winServiceMode) {
stratWindowsService(mainWindows);
} else {
return mainWindows(argc, argv);
}
return 0;
}
int mainWindows(int argc, char **argv) {
#endif
if (global.generateGrant) {
dmGenerateGrant();
taosCleanupArgs();
return 0;
}
if (global.printHelp) {
dmPrintHelp();
taosCleanupArgs();
return 0;
}
if (global.printVersion) {
dmPrintVersion();
taosCleanupArgs();
return 0;
}
#if defined(LINUX)
if (global.memDbg) {
int32_t code = taosMemoryDbgInit();
if (code) {
printf("failed to init memory dbg, error:%s\n", tstrerror(code));
return code;
}
tsAsyncLog = false;
printf("memory dbg enabled\n");
}
#endif
if (dmInitLog() != 0) {
printf("failed to start since init log error\n");
taosCleanupArgs();
return -1;
}
dmPrintArgs(argc, argv);
if (taosInitCfg(configDir, global.envCmd, global.envFile, global.apolloUrl, global.pArgs, 0) != 0) {
dError("failed to start since read config error");
taosCloseLog();
taosCleanupArgs();
return -1;
}
if (taosConvInit() != 0) {
dError("failed to init conv");
taosCloseLog();
taosCleanupArgs();
return -1;
}
if (global.dumpConfig) {
dmDumpCfg();
taosCleanupCfg();
taosCloseLog();
taosCleanupArgs();
taosConvDestroy();
return 0;
}
if (global.dumpSdb) {
mndDumpSdb();
taosCleanupCfg();
taosCloseLog();
taosCleanupArgs();
taosConvDestroy();
return 0;
}
osSetProcPath(argc, (char **)argv);
taosCleanupArgs();
if (dmInit() != 0) {
if (terrno == TSDB_CODE_NOT_FOUND) {
dError("failed to init dnode since unsupported platform, please visit https://www.taosdata.com for support");
} else {
dError("failed to init dnode since %s", terrstr());
}
taosCleanupCfg();
taosCloseLog();
taosConvDestroy();
return -1;
}
dInfo("start to init service");
dmSetSignalHandle();
tsDndStart = taosGetTimestampMs();
tsDndStartOsUptime = taosGetOsUptime();
int32_t code = dmRun();
dInfo("shutting down the service");
dmCleanup();
return code;
}
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