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dnodeMain.c
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234 lines (204 loc) · 6.68 KB
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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 "os.h"
#include "tglobalcfg.h"
#include "tlog.h"
#include "trpc.h"
#include "tutil.h"
#include "dnode.h"
#include "dnodeMClient.h"
#include "dnodeMgmt.h"
#include "dnodeMnode.h"
#include "dnodeModule.h"
#include "dnodeRead.h"
#include "dnodeShell.h"
#include "dnodeWrite.h"
#include "tgrant.h"
static int32_t dnodeInitSystem();
static int32_t dnodeInitStorage();
extern void grantParseParameter();
static void dnodeCleanupStorage();
static void dnodeCleanUpSystem();
static void dnodeSetRunStatus(SDnodeRunStatus status);
static void signal_handler(int32_t signum, siginfo_t *sigInfo, void *context);
static void dnodeCheckDataDirOpenned(char *dir);
static SDnodeRunStatus tsDnodeRunStatus = TSDB_DNODE_RUN_STATUS_STOPPED;
int32_t main(int32_t argc, char *argv[]) {
// Set global configuration file
for (int32_t i = 1; i < argc; ++i) {
if (strcmp(argv[i], "-c") == 0) {
if (i < argc - 1) {
strcpy(configDir, argv[++i]);
} else {
printf("'-c' requires a parameter, default:%s\n", configDir);
exit(EXIT_FAILURE);
}
} else if (strcmp(argv[i], "-V") == 0) {
char *versionStr = tsIsCluster ? "enterprise" : "community";
printf("%s version: %s compatible_version: %s\n", versionStr, version, compatible_version);
printf("gitinfo: %s\n", gitinfo);
printf("gitinfoI: %s\n", gitinfoOfInternal);
printf("buildinfo: %s\n", buildinfo);
exit(EXIT_SUCCESS);
} else if (strcmp(argv[i], "-k") == 0) {
grantParseParameter();
exit(EXIT_SUCCESS);
}
#ifdef TAOS_MEM_CHECK
else if (strcmp(argv[i], "--alloc-random-fail") == 0) {
if ((i < argc - 1) && (argv[i + 1][0] != '-')) {
taosSetAllocMode(TAOS_ALLOC_MODE_RANDOM_FAIL, argv[++i], true);
} else {
taosSetAllocMode(TAOS_ALLOC_MODE_RANDOM_FAIL, NULL, true);
}
} else if (strcmp(argv[i], "--detect-mem-leak") == 0) {
if ((i < argc - 1) && (argv[i + 1][0] != '-')) {
taosSetAllocMode(TAOS_ALLOC_MODE_DETECT_LEAK, argv[++i], true);
} else {
taosSetAllocMode(TAOS_ALLOC_MODE_DETECT_LEAK, NULL, true);
}
}
#endif
}
/* Set termination handler. */
struct sigaction act = {0};
act.sa_flags = SA_SIGINFO;
act.sa_sigaction = signal_handler;
sigaction(SIGTERM, &act, NULL);
sigaction(SIGHUP, &act, NULL);
sigaction(SIGINT, &act, NULL);
sigaction(SIGUSR1, &act, NULL);
sigaction(SIGUSR2, &act, NULL);
// Open /var/log/syslog file to record information.
openlog("TDengine:", LOG_PID | LOG_CONS | LOG_NDELAY, LOG_LOCAL1);
syslog(LOG_INFO, "Starting TDengine service...");
// Initialize the system
if (dnodeInitSystem() < 0) {
syslog(LOG_ERR, "Error initialize TDengine system");
closelog();
dnodeCleanUpSystem();
exit(EXIT_FAILURE);
}
syslog(LOG_INFO, "Started TDengine service successfully.");
while (1) {
sleep(1000);
}
}
static void signal_handler(int32_t signum, siginfo_t *sigInfo, void *context) {
if (signum == SIGUSR1) {
tsCfgDynamicOptions("debugFlag 135");
return;
}
if (signum == SIGUSR2) {
tsCfgDynamicOptions("resetlog");
return;
}
syslog(LOG_INFO, "Shut down signal is %d", signum);
syslog(LOG_INFO, "Shutting down TDengine service...");
// clean the system.
dPrint("shut down signal is %d, sender PID:%d", signum, sigInfo->si_pid);
dnodeCleanUpSystem();
// close the syslog
syslog(LOG_INFO, "Shut down TDengine service successfully");
dPrint("TDengine is shut down!");
closelog();
exit(EXIT_SUCCESS);
}
static int32_t dnodeInitSystem() {
dnodeSetRunStatus(TSDB_DNODE_RUN_STATUS_INITIALIZE);
tscEmbedded = 1;
taosResolveCRC();
tsReadGlobalLogConfig();
taosSetCoreDump();
signal(SIGPIPE, SIG_IGN);
struct stat dirstat;
if (stat(logDir, &dirstat) < 0) {
mkdir(logDir, 0755);
}
char temp[TSDB_FILENAME_LEN];
sprintf(temp, "%s/taosdlog", logDir);
if (taosInitLog(temp, tsNumOfLogLines, 1) < 0) {
printf("failed to init log file\n");
}
if (!tsReadGlobalConfig()) {
tsPrintGlobalConfig();
dError("TDengine read global config failed");
return -1;
}
tsPrintGlobalConfig();
dPrint("Server IP address is:%s", tsPrivateIp);
dPrint("starting to initialize TDengine ...");
if (dnodeInitStorage() != 0) return -1;
if (dnodeInitRead() != 0) return -1;
if (dnodeInitWrite() != 0) return -1;
if (dnodeInitMClient() != 0) return -1;
if (dnodeInitModules() != 0) return -1;
if (dnodeInitMnode() != 0) return -1;
if (dnodeInitMgmt() != 0) return -1;
if (dnodeInitShell() != 0) return -1;
dnodeStartModules();
dnodeSetRunStatus(TSDB_DNODE_RUN_STATUS_RUNING);
dPrint("TDengine is initialized successfully");
return 0;
}
static void dnodeCleanUpSystem() {
if (dnodeGetRunStatus() != TSDB_DNODE_RUN_STATUS_STOPPED) {
dnodeSetRunStatus(TSDB_DNODE_RUN_STATUS_STOPPED);
dnodeCleanupShell();
dnodeCleanupMnode();
dnodeCleanupMgmt();
dnodeCleanupMClient();
dnodeCleanupWrite();
dnodeCleanupRead();
dnodeCleanUpModules();
dnodeCleanupStorage();
taosCloseLogger();
}
}
SDnodeRunStatus dnodeGetRunStatus() {
return tsDnodeRunStatus;
}
static void dnodeSetRunStatus(SDnodeRunStatus status) {
tsDnodeRunStatus = status;
}
static void dnodeCheckDataDirOpenned(char *dir) {
char filepath[256] = {0};
sprintf(filepath, "%s/.running", dir);
int32_t fd = open(filepath, O_WRONLY | O_CREAT | O_TRUNC, S_IRWXU | S_IRWXG | S_IRWXO);
int32_t ret = flock(fd, LOCK_EX | LOCK_NB);
if (ret != 0) {
dError("failed to lock file:%s ret:%d, database may be running, quit", filepath, ret);
exit(0);
}
}
static int32_t dnodeInitStorage() {
struct stat dirstat;
if (stat(dataDir, &dirstat) < 0) {
mkdir(dataDir, 0755);
}
sprintf(tsMnodeDir, "%s/mnode", dataDir);
sprintf(tsVnodeDir, "%s/vnode", dataDir);
sprintf(tsDnodeDir, "%s/dnode", dataDir);
mkdir(tsVnodeDir, 0755);
mkdir(tsDnodeDir, 0755);
dnodeCheckDataDirOpenned(tsDnodeDir);
dPrint("storage directory is initialized");
return 0;
}
static void dnodeCleanupStorage() {}
bool dnodeIsFirstDeploy() {
return strcmp(tsMasterIp, tsPrivateIp) == 0;
}