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[TD-1003]

This commit is contained in:
Shengliang Guan 2020-07-29 15:53:38 +00:00
parent afacc551a9
commit 4d34d09f59
2 changed files with 26 additions and 21 deletions
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1
src/mnode/inc/mnodeDef.h
View File

@ -251,6 +251,7 @@ typedef struct {
int32_t rowSize;
int32_t numOfRows;
void * pIter;
void ** ppShow;
int16_t offset[TSDB_MAX_COLUMNS];
int16_t bytes[TSDB_MAX_COLUMNS];
int32_t numOfReads;

46
src/mnode/src/mnodeShow.c
View File

@ -49,8 +49,8 @@ static int32_t mnodeProcessUseMsg(SMnodeMsg *mnodeMsg);
static void mnodeFreeShowObj(void *data);
static bool mnodeAccquireShowObj(SShowObj *pShow);
static bool mnodeCheckShowFinished(SShowObj *pShow);
static void *mnodePutShowObj(SShowObj *pShow, int32_t size);
static void mnodeReleaseShowObj(void *pShow, bool forceRemove);
static void *mnodePutShowObj(SShowObj *pShow);
static void mnodeReleaseShowObj(SShowObj *pShow, bool forceRemove);
extern void *tsMnodeTmr;
static void *tsMnodeShowCache = NULL;
@ -65,7 +65,7 @@ int32_t mnodeInitShow() {
mnodeAddReadMsgHandle(TSDB_MSG_TYPE_CM_CONNECT, mnodeProcessConnectMsg);
mnodeAddReadMsgHandle(TSDB_MSG_TYPE_CM_USE_DB, mnodeProcessUseMsg);
tsMnodeShowCache = taosCacheInit(TSDB_DATA_TYPE_INT, 5, false, mnodeFreeShowObj, "show");
tsMnodeShowCache = taosCacheInit(TSDB_DATA_TYPE_BIGINT, 5, false, mnodeFreeShowObj, "show");
return 0;
}
@ -121,13 +121,13 @@ static int32_t mnodeProcessShowMsg(SMnodeMsg *pMsg) {
}
int32_t showObjSize = sizeof(SShowObj) + htons(pShowMsg->payloadLen);
SShowObj *pShow = (SShowObj *) calloc(1, showObjSize);
SShowObj *pShow = calloc(1, showObjSize);
pShow->type = pShowMsg->type;
pShow->payloadLen = htons(pShowMsg->payloadLen);
tstrncpy(pShow->db, pShowMsg->db, TSDB_DB_NAME_LEN);
memcpy(pShow->payload, pShowMsg->payload, pShow->payloadLen);
pShow = mnodePutShowObj(pShow, showObjSize);
pShow = mnodePutShowObj(pShow);
if (pShow == NULL) {
return TSDB_CODE_MND_OUT_OF_MEMORY;
}
@ -377,37 +377,41 @@ static bool mnodeCheckShowFinished(SShowObj *pShow) {
}
static bool mnodeAccquireShowObj(SShowObj *pShow) {
SShowObj *pSaved = taosCacheAcquireByKey(tsMnodeShowCache, &pShow->index, sizeof(int32_t));
if (pSaved == pShow) {
mDebug("%p, show is accquired from cache", pShow);
SShowObj **ppShow = taosCacheAcquireByKey(tsMnodeShowCache, &pShow, sizeof(int64_t));
if (ppShow) {
mDebug("%p, show is accquired from cache, data:%p, index:%d", pShow, ppShow, pShow->index);
return true;
} else {
return false;
}
return false;
}
static void *mnodePutShowObj(SShowObj *pShow, int32_t size) {
static void* mnodePutShowObj(SShowObj *pShow) {
if (tsMnodeShowCache != NULL) {
pShow->index = atomic_add_fetch_32(&tsShowObjIndex, 1);
SShowObj *newQhandle = taosCachePut(tsMnodeShowCache, &pShow->index, sizeof(int32_t), pShow, size, 6);
mDebug("%p, show is put into cache, index:%d", newQhandle, pShow->index);
free(pShow);
return newQhandle;
SShowObj **ppShow = taosCachePut(tsMnodeShowCache, &pShow, sizeof(int64_t), &pShow, sizeof(int64_t), 6);
pShow->ppShow = (void**)ppShow;
mDebug("%p, show is put into cache, data:%p index:%d", pShow, ppShow, pShow->index);
return pShow;
}
return NULL;
}
static void mnodeFreeShowObj(void *data) {
SShowObj *pShow = data;
SShowObj *pShow = *(SShowObj **)data;
sdbFreeIter(pShow->pIter);
mDebug("%p, show is destroyed", pShow);
mDebug("%p, show is destroyed, data:%p index:%d", pShow, data, pShow->index);
tfree(pShow);
}
static void mnodeReleaseShowObj(void *pShow, bool forceRemove) {
mDebug("%p, show is released, force:%s", pShow, forceRemove ? "true" : "false");
taosCacheRelease(tsMnodeShowCache, &pShow, forceRemove);
static void mnodeReleaseShowObj(SShowObj *pShow, bool forceRemove) {
SShowObj **ppShow = (SShowObj **)pShow->ppShow;
mDebug("%p, show is released, force:%s data:%p index:%d", pShow, forceRemove ? "true" : "false", ppShow,
pShow->index);
taosCacheRelease(tsMnodeShowCache, (void **)(&ppShow), forceRemove);
}
void mnodeVacuumResult(char *data, int32_t numOfCols, int32_t rows, int32_t capacity, SShowObj *pShow) {