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Merge pull request #11179 from taosdata/feature/shm 

shm
This commit is contained in:
Shengliang Guan 2022-04-01 13:53:58 +08:00 committed by GitHub
parent 613963a128 8eb99ef6d1
commit 6129f132ac
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 56 additions and 19 deletions
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4
include/os/osProc.h
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@ -21,9 +21,11 @@ extern "C" {
#endif
int32_t taosNewProc(char **args);
void taosWaitProc(int32_t pid);
void taosKillProc(int32_t pid);
bool taosProcExist(int32_t pid);
void taosSetProcName(int32_t argc, char **argv, const char *name);
void taosSetProcPath(int32_t argc, char **argv);
bool taosProcExists(int32_t pid);
#ifdef __cplusplus
}

2
source/dnode/mgmt/dm/src/dmFile.c
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@ -200,7 +200,7 @@ int32_t dmWriteFile(SDnodeMgmt *pMgmt) {
taosMemoryFree(content);
char realfile[PATH_MAX];
snprintf(realfile, sizeof(realfile), "%s%smnode.json", pMgmt->path, TD_DIRSEP);
snprintf(realfile, sizeof(realfile), "%s%sdnode.json", pMgmt->path, TD_DIRSEP);
if (taosRenameFile(file, realfile) != 0) {
terrno = TAOS_SYSTEM_ERROR(errno);

50
source/dnode/mgmt/main/src/dndExec.c
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@ -20,9 +20,9 @@ static bool dndRequireNode(SMgmtWrapper *pWrapper) {
bool required = false;
int32_t code = (*pWrapper->fp.requiredFp)(pWrapper, &required);
if (!required) {
dDebug("node:%s, no need to start", pWrapper->name);
dDebug("node:%s, does not require startup", pWrapper->name);
} else {
dDebug("node:%s, need to start", pWrapper->name);
dDebug("node:%s, needs to be started", pWrapper->name);
}
return required;
}
@ -255,17 +255,39 @@ static int32_t dndRunInParentProcess(SDnode *pDnode) {
while (1) {
if (pDnode->event == DND_EVENT_STOP) {
dInfo("dnode is about to stop");
for (ENodeType n = DNODE + 1; n < NODE_MAX; ++n) {
SMgmtWrapper *pWrapper = &pDnode->wrappers[n];
if (!pWrapper->required) continue;
if (pDnode->ntype == NODE_MAX) continue;
if (pWrapper->procId > 0 && taosProcExist(pWrapper->procId)) {
dInfo("node:%s, send kill signal to the child process:%d", pWrapper->name, pWrapper->procId);
taosKillProc(pWrapper->procId);
}
}
for (ENodeType n = DNODE + 1; n < NODE_MAX; ++n) {
SMgmtWrapper *pWrapper = &pDnode->wrappers[n];
if (!pWrapper->required) continue;
if (pDnode->ntype == NODE_MAX) continue;
if (pWrapper->procId > 0 && taosProcExist(pWrapper->procId)) {
dInfo("node:%s, wait for child process:%d to stop", pWrapper->name, pWrapper->procId);
taosWaitProc(pWrapper->procId);
dInfo("node:%s, child process:%d is stopped", pWrapper->name, pWrapper->procId);
}
}
break;
}
} else {
for (ENodeType n = DNODE + 1; n < NODE_MAX; ++n) {
SMgmtWrapper *pWrapper = &pDnode->wrappers[n];
if (!pWrapper->required) continue;
if (pDnode->ntype == NODE_MAX) continue;
for (ENodeType n = DNODE + 1; n < NODE_MAX; ++n) {
SMgmtWrapper *pWrapper = &pDnode->wrappers[n];
if (!pWrapper->required) continue;
if (pDnode->ntype == NODE_MAX) continue;
if (pWrapper->procId <= 0 || !taosProcExists(pWrapper->procId)) {
dInfo("node:%s, process:%d is killed and needs to be restarted", pWrapper->name, pWrapper->procId);
dndNewProc(pWrapper, n);
if (pWrapper->procId <= 0 || !taosProcExist(pWrapper->procId)) {
dInfo("node:%s, process:%d is killed and needs to be restarted", pWrapper->name, pWrapper->procId);
dndNewProc(pWrapper, n);
}
}
}
@ -279,6 +301,12 @@ static int32_t dndRunInChildProcess(SDnode *pDnode) {
SMgmtWrapper *pWrapper = &pDnode->wrappers[pDnode->ntype];
dInfo("%s run in child process", pWrapper->name);
pWrapper->required = dndRequireNode(pWrapper);
if (!pWrapper->required) {
dError("%s does not require startup", pWrapper->name);
return -1;
}
SMsgCb msgCb = dndCreateMsgcb(pWrapper);
tmsgSetDefaultMsgCb(&msgCb);
pWrapper->procType = PROC_CHILD;

17
source/os/src/osProc.c
View File

@ -32,6 +32,18 @@ int32_t taosNewProc(char **args) {
}
}
void taosWaitProc(int32_t pid) {
int32_t status = 0;
waitpid(pid, &status, 0);
}
void taosKillProc(int32_t pid) { kill(pid, SIGINT); }
bool taosProcExist(int32_t pid) {
int32_t p = getpgid(pid);
return p >= 0;
}
// the length of the new name must be less than the original name to take effect
void taosSetProcName(int32_t argc, char **argv, const char *name) {
prctl(PR_SET_NAME, name);
@ -48,8 +60,3 @@ void taosSetProcName(int32_t argc, char **argv, const char *name) {
}
void taosSetProcPath(int32_t argc, char **argv) { tsProcPath = argv[0]; }
bool taosProcExists(int32_t pid) {
int32_t p = getpgid(pid);
return p >= 0;
}

2
source/util/src/tconfig.c
View File

@ -590,7 +590,7 @@ void cfgDumpCfg(SConfig *pCfg, bool tsc, bool dump) {
}
int32_t cfgLoadFromEnvVar(SConfig *pConfig) {
uInfo("load from global env variables not implemented yet");
uInfo("load from env variables not implemented yet");
return 0;
}