homework-jianmu/source/dnode/mgmt/daemon/src/daemon.c

138 lines
3.3 KiB
C

/*
* 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 "dmnInt.h"
static struct {
bool stop;
bool dumpConfig;
bool generateGrant;
bool printAuth;
bool printVersion;
char configDir[PATH_MAX];
char envFile[PATH_MAX];
char apolloUrl[PATH_MAX];
} dmn = {0};
static void dmnSigintHandle(int signum, void *info, void *ctx) {
uInfo("singal:%d is received", signum);
dmn.stop = true;
}
static void dmnSetSignalHandle() {
taosSetSignal(SIGTERM, dmnSigintHandle);
taosSetSignal(SIGHUP, dmnSigintHandle);
taosSetSignal(SIGINT, dmnSigintHandle);
taosSetSignal(SIGABRT, dmnSigintHandle);
taosSetSignal(SIGBREAK, dmnSigintHandle);
}
static void dmnWaitSignal() {
dmnSetSignalHandle();
while (!dmn.stop) {
taosMsleep(100);
}
}
static int32_t dmnParseOption(int32_t argc, char const *argv[]) {
tstrncpy(dmn.configDir, "/etc/taos", PATH_MAX);
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(dmn.configDir, argv[i], PATH_MAX);
} else {
printf("'-c' requires a parameter, default is %s\n", configDir);
return -1;
}
} else if (strcmp(argv[i], "-C") == 0) {
dmn.dumpConfig = true;
} else if (strcmp(argv[i], "-k") == 0) {
dmn.generateGrant = true;
} else if (strcmp(argv[i], "-V") == 0) {
dmn.printVersion = true;
} else {
}
}
return 0;
}
int32_t dmnRunDnode(SConfig *pCfg) {
SDnodeEnvCfg envCfg = dmnGetEnvCfg(pCfg);
if (dndInit(&envCfg) != 0) {
uInfo("Failed to start TDengine, please check the log");
return -1;
}
SDnodeObjCfg objCfg = dmnGetObjCfg(pCfg);
SDnode *pDnode = dndCreate(&objCfg);
if (pDnode == NULL) {
uInfo("Failed to start TDengine, please check the log");
return -1;
}
uInfo("Started TDengine service successfully.");
dmnWaitSignal();
uInfo("TDengine is shut down!");
dndClose(pDnode);
dndCleanup();
taosCloseLog();
return 0;
}
int main(int argc, char const *argv[]) {
if (dmnParseOption(argc, argv) != 0) {
return -1;
}
if (dmn.generateGrant) {
dmnGenerateGrant();
return 0;
}
if (dmnInitLog(dmn.configDir, dmn.envFile, dmn.apolloUrl) != 0) {
return -1;
}
SConfig *pCfg = dmnReadCfg(dmn.configDir, dmn.envFile, dmn.apolloUrl);
if (pCfg == NULL) {
uInfo("Failed to start TDengine since read config error");
return -1;
}
if (dmn.printVersion) {
dmnPrintVersion(pCfg);
cfgCleanup(pCfg);
return 0;
}
if (dmn.dumpConfig) {
dmnDumpCfg(pCfg);
cfgCleanup(pCfg);
return 0;
}
int32_t code = dmnRunDnode(pCfg);
cfgCleanup(pCfg);
return code;
}