homework-jianmu/src/mnode/src/mnodeProfile.c

639 lines
21 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 "os.h"
#include "taosmsg.h"
#include "taoserror.h"
#include "tutil.h"
#include "tcache.h"
#include "tglobal.h"
#include "tdataformat.h"
#include "mnode.h"
#include "mnodeDef.h"
#include "mnodeInt.h"
#include "mnodeProfile.h"
#include "mnodeShow.h"
#include "mnodeUser.h"
#include "mnodeWrite.h"
#define CONN_KEEP_TIME (tsShellActivityTimer * 3)
#define CONN_CHECK_TIME (tsShellActivityTimer * 2)
#define QUERY_ID_SIZE 20
#define QUERY_STREAM_SAVE_SIZE 20
extern void *tsMnodeTmr;
static SCacheObj *tsMnodeConnCache = NULL;
static int32_t tsConnIndex = 0;
static int32_t mnodeGetQueryMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn);
static int32_t mnodeRetrieveQueries(SShowObj *pShow, char *data, int32_t rows, void *pConn);
static int32_t mnodeGetConnsMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn);
static int32_t mnodeRetrieveConns(SShowObj *pShow, char *data, int32_t rows, void *pConn);
static int32_t mnodeGetStreamMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn);
static int32_t mnodeRetrieveStreams(SShowObj *pShow, char *data, int32_t rows, void *pConn);
static void mnodeFreeConn(void *data);
static int32_t mnodeProcessKillQueryMsg(SMnodeMsg *pMsg);
static int32_t mnodeProcessKillStreamMsg(SMnodeMsg *pMsg);
static int32_t mnodeProcessKillConnectionMsg(SMnodeMsg *pMsg);
int32_t mnodeInitProfile() {
mnodeAddShowMetaHandle(TSDB_MGMT_TABLE_QUERIES, mnodeGetQueryMeta);
mnodeAddShowRetrieveHandle(TSDB_MGMT_TABLE_QUERIES, mnodeRetrieveQueries);
mnodeAddShowMetaHandle(TSDB_MGMT_TABLE_CONNS, mnodeGetConnsMeta);
mnodeAddShowRetrieveHandle(TSDB_MGMT_TABLE_CONNS, mnodeRetrieveConns);
mnodeAddShowMetaHandle(TSDB_MGMT_TABLE_STREAMS, mnodeGetStreamMeta);
mnodeAddShowRetrieveHandle(TSDB_MGMT_TABLE_STREAMS, mnodeRetrieveStreams);
mnodeAddWriteMsgHandle(TSDB_MSG_TYPE_CM_KILL_QUERY, mnodeProcessKillQueryMsg);
mnodeAddWriteMsgHandle(TSDB_MSG_TYPE_CM_KILL_STREAM, mnodeProcessKillStreamMsg);
mnodeAddWriteMsgHandle(TSDB_MSG_TYPE_CM_KILL_CONN, mnodeProcessKillConnectionMsg);
tsMnodeConnCache = taosCacheInit(TSDB_DATA_TYPE_INT, CONN_CHECK_TIME, true, mnodeFreeConn, "conn");
return 0;
}
void mnodeCleanupProfile() {
if (tsMnodeConnCache != NULL) {
taosCacheCleanup(tsMnodeConnCache);
tsMnodeConnCache = NULL;
}
}
SConnObj *mnodeCreateConn(char *user, uint32_t ip, uint16_t port, int32_t pid, const char* app) {
#if 0
int32_t connSize = taosHashGetSize(tsMnodeConnCache->pHashTable);
if (connSize > tsMaxShellConns) {
mError("failed to create conn for user:%s ip:%s:%u, conns:%d larger than maxShellConns:%d, ", user, taosIpStr(ip),
port, connSize, tsMaxShellConns);
terrno = TSDB_CODE_MND_TOO_MANY_SHELL_CONNS;
return NULL;
}
#endif
int32_t connId = atomic_add_fetch_32(&tsConnIndex, 1);
if (connId == 0) atomic_add_fetch_32(&tsConnIndex, 1);
SConnObj connObj = {
.ip = ip,
.port = port,
.connId = connId,
.stime = taosGetTimestampMs(),
.pid = pid,
};
tstrncpy(connObj.user, user, tListLen(connObj.user));
tstrncpy(connObj.appName, app, tListLen(connObj.appName));
connObj.lastAccess = connObj.stime;
SConnObj *pConn = taosCachePut(tsMnodeConnCache, &connId, sizeof(int32_t), &connObj, sizeof(connObj), CONN_KEEP_TIME * 1000);
mDebug("connId:%d, is created, user:%s ip:%s:%u", connId, user, taosIpStr(ip), port);
return pConn;
}
void mnodeReleaseConn(SConnObj *pConn) {
if (pConn == NULL) return;
taosCacheRelease(tsMnodeConnCache, (void **)&pConn, false);
}
SConnObj *mnodeAccquireConn(int32_t connId, char *user, uint32_t ip, uint16_t port) {
SConnObj *pConn = taosCacheAcquireByKey(tsMnodeConnCache, &connId, sizeof(int32_t));
if (pConn == NULL) {
mDebug("connId:%d, is already destroyed, user:%s ip:%s:%u", connId, user, taosIpStr(ip), port);
return NULL;
}
if (/* pConn->ip != ip || */ pConn->port != port /* || strcmp(pConn->user, user) != 0 */) {
mDebug("connId:%d, incoming conn user:%s ip:%s:%u, not match exist conn user:%s ip:%s:%u", connId, user,
taosIpStr(ip), port, pConn->user, taosIpStr(pConn->ip), pConn->port);
taosCacheRelease(tsMnodeConnCache, (void **)&pConn, false);
return NULL;
}
// mDebug("connId:%d, is incoming, user:%s ip:%s:%u", connId, pConn->user, taosIpStr(pConn->ip), pConn->port);
pConn->lastAccess = CONN_KEEP_TIME * 1000 + (uint64_t)taosGetTimestampMs();
return pConn;
}
static void mnodeFreeConn(void *data) {
SConnObj *pConn = data;
taosTFree(pConn->pQueries);
taosTFree(pConn->pStreams);
mDebug("connId:%d, is destroyed", pConn->connId);
}
static void *mnodeGetNextConn(SHashMutableIterator *pIter, SConnObj **pConn) {
*pConn = NULL;
if (pIter == NULL) {
pIter = taosHashCreateIter(tsMnodeConnCache->pHashTable);
}
if (!taosHashIterNext(pIter)) {
taosHashDestroyIter(pIter);
return NULL;
}
SCacheDataNode **pNode = taosHashIterGet(pIter);
if (pNode == NULL || *pNode == NULL) {
taosHashDestroyIter(pIter);
return NULL;
}
*pConn = (SConnObj*)((*pNode)->data);
return pIter;
}
static int32_t mnodeGetConnsMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn) {
SUserObj *pUser = mnodeGetUserFromConn(pConn);
if (pUser == NULL) return 0;
if (strcmp(pUser->user, TSDB_DEFAULT_USER) != 0) return TSDB_CODE_MND_NO_RIGHTS;
int32_t cols = 0;
SSchema *pSchema = pMeta->schema;
pShow->bytes[cols] = 4;
pSchema[cols].type = TSDB_DATA_TYPE_INT;
strcpy(pSchema[cols].name, "connId");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
pShow->bytes[cols] = TSDB_USER_LEN + VARSTR_HEADER_SIZE;
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
strcpy(pSchema[cols].name, "user");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
// app name
pShow->bytes[cols] = TSDB_APPNAME_LEN + VARSTR_HEADER_SIZE;
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
strcpy(pSchema[cols].name, "program");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
// app pid
pShow->bytes[cols] = 4;
pSchema[cols].type = TSDB_DATA_TYPE_INT;
strcpy(pSchema[cols].name, "pid");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
pShow->bytes[cols] = TSDB_IPv4ADDR_LEN + 6 + VARSTR_HEADER_SIZE;
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
strcpy(pSchema[cols].name, "ip:port");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
pShow->bytes[cols] = 8;
pSchema[cols].type = TSDB_DATA_TYPE_TIMESTAMP;
strcpy(pSchema[cols].name, "login_time");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
pShow->bytes[cols] = 8;
pSchema[cols].type = TSDB_DATA_TYPE_TIMESTAMP;
strcpy(pSchema[cols].name, "last_access");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
pMeta->numOfColumns = htons(cols);
pShow->numOfColumns = cols;
pShow->offset[0] = 0;
for (int32_t i = 1; i < cols; ++i) {
pShow->offset[i] = pShow->offset[i - 1] + pShow->bytes[i - 1];
}
pShow->numOfRows = taosHashGetSize(tsMnodeConnCache->pHashTable);
pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
return 0;
}
static int32_t mnodeRetrieveConns(SShowObj *pShow, char *data, int32_t rows, void *pConn) {
int32_t numOfRows = 0;
SConnObj *pConnObj = NULL;
int32_t cols = 0;
char * pWrite;
char ipStr[TSDB_IPv4ADDR_LEN + 6];
while (numOfRows < rows) {
pShow->pIter = mnodeGetNextConn(pShow->pIter, &pConnObj);
if (pConnObj == NULL) break;
cols = 0;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
*(int32_t *) pWrite = pConnObj->connId;
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, pConnObj->user, pShow->bytes[cols]);
cols++;
// app name
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, pConnObj->appName, pShow->bytes[cols]);
cols++;
// app pid
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
*(int32_t*)pWrite = pConnObj->pid;
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
snprintf(ipStr, sizeof(ipStr), "%s:%u", taosIpStr(pConnObj->ip), pConnObj->port);
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, ipStr, pShow->bytes[cols]);
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
*(int64_t *)pWrite = pConnObj->stime;
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
if (pConnObj->lastAccess < pConnObj->stime) pConnObj->lastAccess = pConnObj->stime;
*(int64_t *)pWrite = pConnObj->lastAccess;
cols++;
numOfRows++;
}
pShow->numOfReads += numOfRows;
mnodeVacuumResult(data, pShow->numOfColumns, numOfRows, rows, pShow);
return numOfRows;
}
// not thread safe, need optimized
int32_t mnodeSaveQueryStreamList(SConnObj *pConn, SCMHeartBeatMsg *pHBMsg) {
pConn->numOfQueries = htonl(pHBMsg->numOfQueries);
if (pConn->numOfQueries > 0) {
if (pConn->pQueries == NULL) {
pConn->pQueries = calloc(sizeof(SQueryDesc), QUERY_STREAM_SAVE_SIZE);
}
int32_t saveSize = MIN(QUERY_STREAM_SAVE_SIZE, pConn->numOfQueries) * sizeof(SQueryDesc);
if (saveSize > 0 && pConn->pQueries != NULL) {
memcpy(pConn->pQueries, pHBMsg->pData, saveSize);
}
}
pConn->numOfStreams = htonl(pHBMsg->numOfStreams);
if (pConn->numOfStreams > 0) {
if (pConn->pStreams == NULL) {
pConn->pStreams = calloc(sizeof(SStreamDesc), QUERY_STREAM_SAVE_SIZE);
}
int32_t saveSize = MIN(QUERY_STREAM_SAVE_SIZE, pConn->numOfStreams) * sizeof(SStreamDesc);
if (saveSize > 0 && pConn->pStreams != NULL) {
memcpy(pConn->pStreams, pHBMsg->pData + pConn->numOfQueries * sizeof(SQueryDesc), saveSize);
}
}
return TSDB_CODE_SUCCESS;
}
static int32_t mnodeGetQueryMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn) {
SUserObj *pUser = mnodeGetUserFromConn(pConn);
if (pUser == NULL) return 0;
if (strcmp(pUser->user, TSDB_DEFAULT_USER) != 0) return TSDB_CODE_MND_NO_RIGHTS;
int32_t cols = 0;
SSchema *pSchema = pMeta->schema;
pShow->bytes[cols] = QUERY_ID_SIZE + VARSTR_HEADER_SIZE;
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
strcpy(pSchema[cols].name, "query_id");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
pShow->bytes[cols] = TSDB_USER_LEN + VARSTR_HEADER_SIZE;
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
strcpy(pSchema[cols].name, "user");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
pShow->bytes[cols] = TSDB_IPv4ADDR_LEN + 6 + VARSTR_HEADER_SIZE;
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
strcpy(pSchema[cols].name, "ip:port");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
pShow->bytes[cols] = 24;
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
strcpy(pSchema[cols].name, "qhandle");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
pShow->bytes[cols] = 8;
pSchema[cols].type = TSDB_DATA_TYPE_TIMESTAMP;
strcpy(pSchema[cols].name, "created_time");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
pShow->bytes[cols] = 8;
pSchema[cols].type = TSDB_DATA_TYPE_BIGINT;
strcpy(pSchema[cols].name, "time(us)");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
pShow->bytes[cols] = TSDB_SHOW_SQL_LEN + VARSTR_HEADER_SIZE;
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
strcpy(pSchema[cols].name, "sql");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
pMeta->numOfColumns = htons(cols);
pShow->numOfColumns = cols;
pShow->offset[0] = 0;
for (int32_t i = 1; i < cols; ++i) {
pShow->offset[i] = pShow->offset[i - 1] + pShow->bytes[i - 1];
}
pShow->numOfRows = 1000000;
pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
return 0;
}
static int32_t mnodeRetrieveQueries(SShowObj *pShow, char *data, int32_t rows, void *pConn) {
int32_t numOfRows = 0;
SConnObj *pConnObj = NULL;
int32_t cols = 0;
char * pWrite;
char str[TSDB_IPv4ADDR_LEN + 6] = {0};
while (numOfRows < rows) {
pShow->pIter = mnodeGetNextConn(pShow->pIter, &pConnObj);
if (pConnObj == NULL) break;
for (int32_t i = 0; i < pConnObj->numOfQueries; ++i) {
SQueryDesc *pDesc = pConnObj->pQueries + i;
cols = 0;
snprintf(str, QUERY_ID_SIZE + 1, "%u:%u", pConnObj->connId, htonl(pDesc->queryId));
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, str, pShow->bytes[cols]);
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, pConnObj->user, pShow->bytes[cols]);
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
snprintf(str, tListLen(str), "%s:%u", taosIpStr(pConnObj->ip), pConnObj->port);
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, str, pShow->bytes[cols]);
cols++;
char handleBuf[24] = {0};
snprintf(handleBuf, tListLen(handleBuf), "%p", (void*)htobe64(pDesc->qHandle));
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, handleBuf, pShow->bytes[cols]);
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
*(int64_t *)pWrite = htobe64(pDesc->stime);
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
*(int64_t *)pWrite = htobe64(pDesc->useconds);
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, pDesc->sql, pShow->bytes[cols]);
cols++;
numOfRows++;
}
}
pShow->numOfReads += numOfRows;
mnodeVacuumResult(data, pShow->numOfColumns, numOfRows, rows, pShow);
return numOfRows;
}
static int32_t mnodeGetStreamMeta(STableMetaMsg *pMeta, SShowObj *pShow, void *pConn) {
SUserObj *pUser = mnodeGetUserFromConn(pConn);
if (pUser == NULL) return 0;
if (strcmp(pUser->user, TSDB_DEFAULT_USER) != 0) return TSDB_CODE_MND_NO_RIGHTS;
int32_t cols = 0;
SSchema *pSchema = pMeta->schema;
pShow->bytes[cols] = QUERY_ID_SIZE + VARSTR_HEADER_SIZE;
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
strcpy(pSchema[cols].name, "streamId");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
pShow->bytes[cols] = TSDB_USER_LEN + VARSTR_HEADER_SIZE;
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
strcpy(pSchema[cols].name, "user");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
pShow->bytes[cols] = TSDB_IPv4ADDR_LEN + 6 + VARSTR_HEADER_SIZE;
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
strcpy(pSchema[cols].name, "ip:port");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
pShow->bytes[cols] = 8;
pSchema[cols].type = TSDB_DATA_TYPE_TIMESTAMP;
strcpy(pSchema[cols].name, "created time");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
pShow->bytes[cols] = 8;
pSchema[cols].type = TSDB_DATA_TYPE_TIMESTAMP;
strcpy(pSchema[cols].name, "exec time");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
pShow->bytes[cols] = 8;
pSchema[cols].type = TSDB_DATA_TYPE_BIGINT;
strcpy(pSchema[cols].name, "time(us)");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
pShow->bytes[cols] = TSDB_SHOW_SQL_LEN + VARSTR_HEADER_SIZE;
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
strcpy(pSchema[cols].name, "sql");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
pShow->bytes[cols] = 4;
pSchema[cols].type = TSDB_DATA_TYPE_INT;
strcpy(pSchema[cols].name, "cycles");
pSchema[cols].bytes = htons(pShow->bytes[cols]);
cols++;
pMeta->numOfColumns = htons(cols);
pShow->numOfColumns = cols;
pShow->offset[0] = 0;
for (int32_t i = 1; i < cols; ++i) {
pShow->offset[i] = pShow->offset[i - 1] + pShow->bytes[i - 1];
}
pShow->numOfRows = 1000000;
pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
return 0;
}
static int32_t mnodeRetrieveStreams(SShowObj *pShow, char *data, int32_t rows, void *pConn) {
int32_t numOfRows = 0;
SConnObj *pConnObj = NULL;
int32_t cols = 0;
char * pWrite;
char ipStr[TSDB_IPv4ADDR_LEN + 6];
while (numOfRows < rows) {
pShow->pIter = mnodeGetNextConn(pShow->pIter, &pConnObj);
if (pConnObj == NULL) break;
for (int32_t i = 0; i < pConnObj->numOfStreams; ++i) {
SStreamDesc *pDesc = pConnObj->pStreams + i;
cols = 0;
snprintf(ipStr, QUERY_ID_SIZE + 1, "%u:%u", pConnObj->connId, htonl(pDesc->streamId));
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, ipStr, pShow->bytes[cols]);
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, pConnObj->user, pShow->bytes[cols]);
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
snprintf(ipStr, sizeof(ipStr), "%s:%u", taosIpStr(pConnObj->ip), pConnObj->port);
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, ipStr, pShow->bytes[cols]);
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
*(int64_t *)pWrite = htobe64(pDesc->ctime);
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
*(int64_t *)pWrite = htobe64(pDesc->stime);
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
*(int64_t *)pWrite = htobe64(pDesc->useconds);
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, pDesc->sql, pShow->bytes[cols]);
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
*(int32_t *)pWrite = (int32_t)htobe64(pDesc->num);
cols++;
numOfRows++;
}
}
pShow->numOfReads += numOfRows;
mnodeVacuumResult(data, pShow->numOfColumns, numOfRows, rows, pShow);
return numOfRows;
}
static int32_t mnodeProcessKillQueryMsg(SMnodeMsg *pMsg) {
SUserObj *pUser = pMsg->pUser;
if (strcmp(pUser->user, TSDB_DEFAULT_USER) != 0) return TSDB_CODE_MND_NO_RIGHTS;
SCMKillQueryMsg *pKill = pMsg->rpcMsg.pCont;
mInfo("kill query msg is received, queryId:%s", pKill->queryId);
const char delim = ':';
char* connIdStr = strtok(pKill->queryId, &delim);
char* queryIdStr = strtok(NULL, &delim);
if (queryIdStr == NULL || connIdStr == NULL) {
mInfo("failed to kill query, queryId:%s", pKill->queryId);
return TSDB_CODE_MND_INVALID_QUERY_ID;
}
int32_t queryId = (int32_t)strtol(queryIdStr, NULL, 10);
int32_t connId = atoi(connIdStr);
SConnObj *pConn = taosCacheAcquireByKey(tsMnodeConnCache, &connId, sizeof(int32_t));
if (pConn == NULL) {
mError("connId:%s, failed to kill queryId:%d, conn not exist", connIdStr, queryId);
return TSDB_CODE_MND_INVALID_CONN_ID;
} else {
mInfo("connId:%s, queryId:%d is killed by user:%s", connIdStr, queryId, pUser->user);
pConn->queryId = queryId;
taosCacheRelease(tsMnodeConnCache, (void **)&pConn, false);
return TSDB_CODE_SUCCESS;
}
}
static int32_t mnodeProcessKillStreamMsg(SMnodeMsg *pMsg) {
SUserObj *pUser = pMsg->pUser;
if (strcmp(pUser->user, TSDB_DEFAULT_USER) != 0) return TSDB_CODE_MND_NO_RIGHTS;
SCMKillQueryMsg *pKill = pMsg->rpcMsg.pCont;
mInfo("kill stream msg is received, streamId:%s", pKill->queryId);
const char delim = ':';
char* connIdStr = strtok(pKill->queryId, &delim);
char* streamIdStr = strtok(NULL, &delim);
if (streamIdStr == NULL || connIdStr == NULL) {
mInfo("failed to kill stream, streamId:%s", pKill->queryId);
return TSDB_CODE_MND_INVALID_STREAM_ID;
}
int32_t streamId = (int32_t)strtol(streamIdStr, NULL, 10);
int32_t connId = atoi(connIdStr);
SConnObj *pConn = taosCacheAcquireByKey(tsMnodeConnCache, &connId, sizeof(int32_t));
if (pConn == NULL) {
mError("connId:%s, failed to kill streamId:%d, conn not exist", connIdStr, streamId);
return TSDB_CODE_MND_INVALID_CONN_ID;
} else {
mInfo("connId:%s, streamId:%d is killed by user:%s", connIdStr, streamId, pUser->user);
pConn->streamId = streamId;
taosCacheRelease(tsMnodeConnCache, (void **)&pConn, false);
return TSDB_CODE_SUCCESS;
}
}
static int32_t mnodeProcessKillConnectionMsg(SMnodeMsg *pMsg) {
SUserObj *pUser = pMsg->pUser;
if (strcmp(pUser->user, TSDB_DEFAULT_USER) != 0) return TSDB_CODE_MND_NO_RIGHTS;
SCMKillConnMsg *pKill = pMsg->rpcMsg.pCont;
int32_t connId = atoi(pKill->queryId);
SConnObj *pConn = taosCacheAcquireByKey(tsMnodeConnCache, &connId, sizeof(int32_t));
if (pConn == NULL) {
mError("connId:%s, failed to kill, conn not exist", pKill->queryId);
return TSDB_CODE_MND_INVALID_CONN_ID;
} else {
mInfo("connId:%s, is killed by user:%s", pKill->queryId, pUser->user);
pConn->killed = 1;
taosCacheRelease(tsMnodeConnCache, (void**)&pConn, false);
return TSDB_CODE_SUCCESS;
}
}