homework-jianmu/source/dnode/mnode/impl/src/mndProfile.c

918 lines
30 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 "mndProfile.h"
#include "mndDb.h"
#include "mndMnode.h"
#include "mndShow.h"
#include "mndStb.h"
#include "mndUser.h"
#include "tglobal.h"
#define QUERY_ID_SIZE 20
#define QUERY_OBJ_ID_SIZE 18
#define SUBQUERY_INFO_SIZE 6
#define QUERY_SAVE_SIZE 20
typedef struct {
int32_t id;
char user[TSDB_USER_LEN];
char app[TSDB_APP_NAME_LEN]; // app name that invokes taosc
int64_t appStartTimeMs; // app start time
int32_t pid; // pid of app that invokes taosc
uint32_t ip;
uint16_t port;
int8_t killed;
int64_t loginTimeMs;
int64_t lastAccessTimeMs;
int32_t queryId;
int32_t numOfQueries;
SQueryDesc *pQueries;
} SConnObj;
static SConnObj *mndCreateConn(SMnode *pMnode, SRpcConnInfo *pInfo, int32_t pid, const char *app, int64_t startTime);
static void mndFreeConn(SConnObj *pConn);
static SConnObj *mndAcquireConn(SMnode *pMnode, int32_t connId);
static void mndReleaseConn(SMnode *pMnode, SConnObj *pConn);
static void *mndGetNextConn(SMnode *pMnode, void *pIter, SConnObj **pConn);
static void mndCancelGetNextConn(SMnode *pMnode, void *pIter);
static int32_t mndProcessHeartBeatReq(SMnodeMsg *pReq);
static int32_t mndProcessConnectReq(SMnodeMsg *pReq);
static int32_t mndProcessKillQueryReq(SMnodeMsg *pReq);
static int32_t mndProcessKillConnReq(SMnodeMsg *pReq);
static int32_t mndGetConnsMeta(SMnodeMsg *pReq, SShowObj *pShow, STableMetaRsp *pMeta);
static int32_t mndRetrieveConns(SMnodeMsg *pReq, SShowObj *pShow, char *data, int32_t rows);
static int32_t mndGetQueryMeta(SMnodeMsg *pReq, SShowObj *pShow, STableMetaRsp *pMeta);
static int32_t mndRetrieveQueries(SMnodeMsg *pReq, SShowObj *pShow, char *data, int32_t rows);
static void mndCancelGetNextQuery(SMnode *pMnode, void *pIter);
int32_t mndInitProfile(SMnode *pMnode) {
SProfileMgmt *pMgmt = &pMnode->profileMgmt;
int32_t connCheckTime = pMnode->cfg.shellActivityTimer * 2;
pMgmt->cache = taosCacheInit(TSDB_DATA_TYPE_INT, connCheckTime, true, (__cache_free_fn_t)mndFreeConn, "conn");
if (pMgmt->cache == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
mError("failed to alloc profile cache since %s", terrstr());
return -1;
}
mndSetMsgHandle(pMnode, TDMT_MND_HEARTBEAT, mndProcessHeartBeatReq);
mndSetMsgHandle(pMnode, TDMT_MND_CONNECT, mndProcessConnectReq);
mndSetMsgHandle(pMnode, TDMT_MND_KILL_QUERY, mndProcessKillQueryReq);
mndSetMsgHandle(pMnode, TDMT_MND_KILL_CONN, mndProcessKillConnReq);
mndAddShowMetaHandle(pMnode, TSDB_MGMT_TABLE_CONNS, mndGetConnsMeta);
mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_CONNS, mndRetrieveConns);
mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_CONNS, mndCancelGetNextConn);
mndAddShowMetaHandle(pMnode, TSDB_MGMT_TABLE_QUERIES, mndGetQueryMeta);
mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_QUERIES, mndRetrieveQueries);
mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_QUERIES, mndCancelGetNextQuery);
return 0;
}
void mndCleanupProfile(SMnode *pMnode) {
SProfileMgmt *pMgmt = &pMnode->profileMgmt;
if (pMgmt->cache != NULL) {
taosCacheCleanup(pMgmt->cache);
pMgmt->cache = NULL;
}
}
static SConnObj *mndCreateConn(SMnode *pMnode, SRpcConnInfo *pInfo, int32_t pid, const char *app, int64_t startTime) {
SProfileMgmt *pMgmt = &pMnode->profileMgmt;
int32_t connId = atomic_add_fetch_32(&pMgmt->connId, 1);
if (connId == 0) atomic_add_fetch_32(&pMgmt->connId, 1);
if (startTime == 0) startTime = taosGetTimestampMs();
SConnObj connObj = {.id = connId,
.appStartTimeMs = startTime,
.pid = pid,
.ip = pInfo->clientIp,
.port = pInfo->clientPort,
.killed = 0,
.loginTimeMs = taosGetTimestampMs(),
.lastAccessTimeMs = 0,
.queryId = 0,
.numOfQueries = 0,
.pQueries = NULL};
connObj.lastAccessTimeMs = connObj.loginTimeMs;
tstrncpy(connObj.user, pInfo->user, TSDB_USER_LEN);
tstrncpy(connObj.app, app, TSDB_APP_NAME_LEN);
int32_t keepTime = pMnode->cfg.shellActivityTimer * 3;
SConnObj *pConn = taosCachePut(pMgmt->cache, &connId, sizeof(int32_t), &connObj, sizeof(connObj), keepTime * 1000);
if (pConn == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
mError("conn:%d, failed to put into cache since %s, user:%s", connId, pInfo->user, terrstr());
return NULL;
} else {
mTrace("conn:%d, is created, data:%p user:%s", pConn->id, pConn, pInfo->user);
return pConn;
}
}
static void mndFreeConn(SConnObj *pConn) {
tfree(pConn->pQueries);
mTrace("conn:%d, is destroyed, data:%p", pConn->id, pConn);
}
static SConnObj *mndAcquireConn(SMnode *pMnode, int32_t connId) {
SProfileMgmt *pMgmt = &pMnode->profileMgmt;
SConnObj *pConn = taosCacheAcquireByKey(pMgmt->cache, &connId, sizeof(int32_t));
if (pConn == NULL) {
mDebug("conn:%d, already destroyed", connId);
return NULL;
}
int32_t keepTime = pMnode->cfg.shellActivityTimer * 3;
pConn->lastAccessTimeMs = keepTime * 1000 + (uint64_t)taosGetTimestampMs();
mTrace("conn:%d, acquired from cache, data:%p", pConn->id, pConn);
return pConn;
}
static void mndReleaseConn(SMnode *pMnode, SConnObj *pConn) {
if (pConn == NULL) return;
mTrace("conn:%d, released from cache, data:%p", pConn->id, pConn);
SProfileMgmt *pMgmt = &pMnode->profileMgmt;
taosCacheRelease(pMgmt->cache, (void **)&pConn, false);
}
static void *mndGetNextConn(SMnode *pMnode, void *pIter, SConnObj **pConn) {
SProfileMgmt *pMgmt = &pMnode->profileMgmt;
*pConn = NULL;
pIter = taosHashIterate(pMgmt->cache->pHashTable, pIter);
if (pIter == NULL) return NULL;
SCacheDataNode **pNode = pIter;
if (pNode == NULL || *pNode == NULL) {
taosHashCancelIterate(pMgmt->cache->pHashTable, pIter);
return NULL;
}
*pConn = (SConnObj *)((*pNode)->data);
return pIter;
}
static void mndCancelGetNextConn(SMnode *pMnode, void *pIter) {
SProfileMgmt *pMgmt = &pMnode->profileMgmt;
taosHashCancelIterate(pMgmt->cache->pHashTable, pIter);
}
static int32_t mndProcessConnectReq(SMnodeMsg *pReq) {
SMnode *pMnode = pReq->pMnode;
SUserObj *pUser = NULL;
SDbObj *pDb = NULL;
SConnObj *pConn = NULL;
int32_t code = -1;
SConnectReq connReq = {0};
if (tDeserializeSConnectReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &connReq) != 0) {
terrno = TSDB_CODE_INVALID_MSG;
goto CONN_OVER;
}
SRpcConnInfo info = {0};
if (rpcGetConnInfo(pReq->rpcMsg.handle, &info) != 0) {
mError("user:%s, failed to login while get connection info since %s", pReq->user, terrstr());
goto CONN_OVER;
}
char ip[30];
taosIp2String(info.clientIp, ip);
pUser = mndAcquireUser(pMnode, pReq->user);
if (pUser == NULL) {
mError("user:%s, failed to login while acquire user since %s", pReq->user, terrstr());
goto CONN_OVER;
}
if (connReq.db[0]) {
snprintf(pReq->db, TSDB_DB_FNAME_LEN, "%d%s%s", pUser->acctId, TS_PATH_DELIMITER, connReq.db);
pDb = mndAcquireDb(pMnode, pReq->db);
if (pDb == NULL) {
terrno = TSDB_CODE_MND_INVALID_DB;
mError("user:%s, failed to login from %s while use db:%s since %s", pReq->user, ip, connReq.db, terrstr());
goto CONN_OVER;
}
}
pConn = mndCreateConn(pMnode, &info, connReq.pid, connReq.app, connReq.startTime);
if (pConn == NULL) {
mError("user:%s, failed to login from %s while create connection since %s", pReq->user, ip, terrstr());
goto CONN_OVER;
}
SConnectRsp connectRsp = {0};
connectRsp.acctId = pUser->acctId;
connectRsp.superUser = pUser->superUser;
connectRsp.clusterId = pMnode->clusterId;
connectRsp.connId = pConn->id;
snprintf(connectRsp.sVersion, sizeof(connectRsp.sVersion), "ver:%s\nbuild:%s\ngitinfo:%s", version, buildinfo,
gitinfo);
mndGetMnodeEpSet(pMnode, &connectRsp.epSet);
int32_t contLen = tSerializeSConnectRsp(NULL, 0, &connectRsp);
if (contLen < 0) goto CONN_OVER;
void *pRsp = rpcMallocCont(contLen);
if (pRsp == NULL) goto CONN_OVER;
tSerializeSConnectRsp(pRsp, contLen, &connectRsp);
pReq->contLen = contLen;
pReq->pCont = pRsp;
mDebug("user:%s, login from %s, conn:%d, app:%s", info.user, ip, pConn->id, connReq.app);
code = 0;
CONN_OVER:
mndReleaseUser(pMnode, pUser);
mndReleaseDb(pMnode, pDb);
mndReleaseConn(pMnode, pConn);
return code;
}
static int32_t mndSaveQueryStreamList(SConnObj *pConn, SHeartBeatReq *pReq) {
pConn->numOfQueries = 0;
int32_t numOfQueries = htonl(pReq->numOfQueries);
if (numOfQueries > 0) {
if (pConn->pQueries == NULL) {
pConn->pQueries = calloc(sizeof(SQueryDesc), QUERY_SAVE_SIZE);
}
pConn->numOfQueries = TMIN(QUERY_SAVE_SIZE, numOfQueries);
int32_t saveSize = pConn->numOfQueries * sizeof(SQueryDesc);
if (saveSize > 0 && pConn->pQueries != NULL) {
memcpy(pConn->pQueries, pReq->pData, saveSize);
}
}
return TSDB_CODE_SUCCESS;
}
static SClientHbRsp *mndMqHbBuildRsp(SMnode *pMnode, SClientHbReq *pReq) {
#if 0
SClientHbRsp* pRsp = malloc(sizeof(SClientHbRsp));
if (pRsp == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
pRsp->connKey = pReq->connKey;
SMqHbBatchRsp batchRsp;
batchRsp.batchRsps = taosArrayInit(0, sizeof(SMqHbRsp));
if (batchRsp.batchRsps == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
SClientHbKey connKey = pReq->connKey;
SHashObj* pObj = pReq->info;
SKv* pKv = taosHashGet(pObj, "mq-tmp", strlen("mq-tmp") + 1);
if (pKv == NULL) {
free(pRsp);
return NULL;
}
SMqHbMsg mqHb;
taosDecodeSMqMsg(pKv->value, &mqHb);
/*int64_t clientUid = htonl(pKv->value);*/
/*if (mqHb.epoch )*/
int sz = taosArrayGetSize(mqHb.pTopics);
SMqConsumerObj* pConsumer = mndAcquireConsumer(pMnode, mqHb.consumerId);
for (int i = 0; i < sz; i++) {
SMqHbOneTopicBatchRsp innerBatchRsp;
innerBatchRsp.rsps = taosArrayInit(sz, sizeof(SMqHbRsp));
if (innerBatchRsp.rsps == NULL) {
//TODO
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
SMqHbTopicInfo* topicInfo = taosArrayGet(mqHb.pTopics, i);
SMqConsumerTopic* pConsumerTopic = taosHashGet(pConsumer->topicHash, topicInfo->name, strlen(topicInfo->name)+1);
if (pConsumerTopic->epoch != topicInfo->epoch) {
//add new vgids into rsp
int vgSz = taosArrayGetSize(topicInfo->pVgInfo);
for (int j = 0; j < vgSz; j++) {
SMqHbRsp innerRsp;
SMqHbVgInfo* pVgInfo = taosArrayGet(topicInfo->pVgInfo, i);
SVgObj* pVgObj = mndAcquireVgroup(pMnode, pVgInfo->vgId);
innerRsp.epSet = mndGetVgroupEpset(pMnode, pVgObj);
taosArrayPush(innerBatchRsp.rsps, &innerRsp);
}
}
taosArrayPush(batchRsp.batchRsps, &innerBatchRsp);
}
int32_t tlen = taosEncodeSMqHbBatchRsp(NULL, &batchRsp);
void* buf = malloc(tlen);
if (buf == NULL) {
//TODO
return NULL;
}
void* abuf = buf;
taosEncodeSMqHbBatchRsp(&abuf, &batchRsp);
pRsp->body = buf;
pRsp->bodyLen = tlen;
return pRsp;
#endif
return NULL;
}
static int32_t mndProcessHeartBeatReq(SMnodeMsg *pReq) {
SMnode *pMnode = pReq->pMnode;
SClientHbBatchReq batchReq = {0};
if (tDeserializeSClientHbBatchReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &batchReq) != 0) {
terrno = TSDB_CODE_INVALID_MSG;
return -1;
}
SClientHbBatchRsp batchRsp = {0};
batchRsp.rsps = taosArrayInit(0, sizeof(SClientHbRsp));
int32_t sz = taosArrayGetSize(batchReq.reqs);
for (int i = 0; i < sz; i++) {
SClientHbReq *pHbReq = taosArrayGet(batchReq.reqs, i);
if (pHbReq->connKey.hbType == HEARTBEAT_TYPE_QUERY) {
int32_t kvNum = taosHashGetSize(pHbReq->info);
if (NULL == pHbReq->info || kvNum <= 0) {
continue;
}
SClientHbRsp hbRsp = {.connKey = pHbReq->connKey, .status = 0, .info = taosArrayInit(kvNum, sizeof(SKv))};
void *pIter = taosHashIterate(pHbReq->info, NULL);
while (pIter != NULL) {
SKv *kv = pIter;
switch (kv->key) {
case HEARTBEAT_KEY_DBINFO: {
void *rspMsg = NULL;
int32_t rspLen = 0;
mndValidateDbInfo(pMnode, kv->value, kv->valueLen / sizeof(SDbVgVersion), &rspMsg, &rspLen);
if (rspMsg && rspLen > 0) {
SKv kv = {.key = HEARTBEAT_KEY_DBINFO, .valueLen = rspLen, .value = rspMsg};
taosArrayPush(hbRsp.info, &kv);
}
break;
}
case HEARTBEAT_KEY_STBINFO: {
void *rspMsg = NULL;
int32_t rspLen = 0;
mndValidateStbInfo(pMnode, kv->value, kv->valueLen / sizeof(SSTableMetaVersion), &rspMsg, &rspLen);
if (rspMsg && rspLen > 0) {
SKv kv = {.key = HEARTBEAT_KEY_STBINFO, .valueLen = rspLen, .value = rspMsg};
taosArrayPush(hbRsp.info, &kv);
}
break;
}
default:
mError("invalid kv key:%d", kv->key);
hbRsp.status = TSDB_CODE_MND_APP_ERROR;
break;
}
pIter = taosHashIterate(pHbReq->info, pIter);
}
taosArrayPush(batchRsp.rsps, &hbRsp);
} else if (pHbReq->connKey.hbType == HEARTBEAT_TYPE_MQ) {
SClientHbRsp *pRsp = mndMqHbBuildRsp(pMnode, pHbReq);
if (pRsp != NULL) {
taosArrayPush(batchRsp.rsps, pRsp);
free(pRsp);
}
}
}
taosArrayDestroyEx(batchReq.reqs, tFreeClientHbReq);
int32_t tlen = tSerializeSClientHbBatchRsp(NULL, 0, &batchRsp);
void *buf = rpcMallocCont(tlen);
tSerializeSClientHbBatchRsp(buf, tlen, &batchRsp);
int32_t rspNum = (int32_t)taosArrayGetSize(batchRsp.rsps);
for (int32_t i = 0; i < rspNum; ++i) {
SClientHbRsp *rsp = taosArrayGet(batchRsp.rsps, i);
int32_t kvNum = (rsp->info) ? taosArrayGetSize(rsp->info) : 0;
for (int32_t n = 0; n < kvNum; ++n) {
SKv *kv = taosArrayGet(rsp->info, n);
tfree(kv->value);
}
taosArrayDestroy(rsp->info);
}
taosArrayDestroy(batchRsp.rsps);
pReq->contLen = tlen;
pReq->pCont = buf;
return 0;
#if 0
SMnode *pMnode = pReq->pMnode;
SProfileMgmt *pMgmt = &pMnode->profileMgmt;
SHeartBeatReq *pHeartbeat = pReq->rpcMsg.pCont;
pHeartbeat->connId = htonl(pHeartbeat->connId);
pHeartbeat->pid = htonl(pHeartbeat->pid);
SRpcConnInfo info = {0};
if (rpcGetConnInfo(pReq->rpcMsg.handle, &info) != 0) {
mError("user:%s, connId:%d failed to process hb since %s", pReq->user, pHeartbeat->connId, terrstr());
return -1;
}
SConnObj *pConn = mndAcquireConn(pMnode, pHeartbeat->connId);
if (pConn == NULL) {
pConn = mndCreateConn(pMnode, &info, pHeartbeat->pid, pHeartbeat->app, 0);
if (pConn == NULL) {
mError("user:%s, conn:%d is freed and failed to create new since %s", pReq->user, pHeartbeat->connId, terrstr());
return -1;
} else {
mDebug("user:%s, conn:%d is freed and create a new conn:%d", pReq->user, pHeartbeat->connId, pConn->id);
}
} else if (pConn->killed) {
mError("user:%s, conn:%d is already killed", pReq->user, pConn->id);
terrno = TSDB_CODE_MND_INVALID_CONNECTION;
return -1;
} else {
if (pConn->ip != info.clientIp || pConn->port != info.clientPort /* || strcmp(pConn->user, info.user) != 0 */) {
char oldIpStr[40];
char newIpStr[40];
taosIpPort2String(pConn->ip, pConn->port, oldIpStr);
taosIpPort2String(info.clientIp, info.clientPort, newIpStr);
mError("conn:%d, incoming conn user:%s ip:%s, not match exist user:%s ip:%s", pConn->id, info.user, newIpStr,
pConn->user, oldIpStr);
if (pMgmt->connId < pConn->id) pMgmt->connId = pConn->id + 1;
taosCacheRelease(pMgmt->cache, (void **)&pConn, false);
terrno = TSDB_CODE_MND_INVALID_CONNECTION;
return -1;
}
}
SHeartBeatRsp *pRsp = rpcMallocCont(sizeof(SHeartBeatRsp));
if (pRsp == NULL) {
mndReleaseConn(pMnode, pConn);
terrno = TSDB_CODE_OUT_OF_MEMORY;
mError("user:%s, conn:%d failed to process hb while since %s", pReq->user, pHeartbeat->connId, terrstr());
return -1;
}
mndSaveQueryStreamList(pConn, pHeartbeat);
if (pConn->killed != 0) {
pRsp->killConnection = 1;
}
if (pConn->queryId != 0) {
pRsp->queryId = htonl(pConn->queryId);
pConn->queryId = 0;
}
pRsp->connId = htonl(pConn->id);
pRsp->totalDnodes = htonl(1);
pRsp->onlineDnodes = htonl(1);
mndGetMnodeEpSet(pMnode, &pRsp->epSet);
mndReleaseConn(pMnode, pConn);
pReq->contLen = sizeof(SConnectRsp);
pReq->pCont = pRsp;
return 0;
#endif
}
static int32_t mndProcessKillQueryReq(SMnodeMsg *pReq) {
SMnode *pMnode = pReq->pMnode;
SProfileMgmt *pMgmt = &pMnode->profileMgmt;
SUserObj *pUser = mndAcquireUser(pMnode, pReq->user);
if (pUser == NULL) return 0;
if (!pUser->superUser) {
mndReleaseUser(pMnode, pUser);
terrno = TSDB_CODE_MND_NO_RIGHTS;
return -1;
}
mndReleaseUser(pMnode, pUser);
SKillQueryReq killReq = {0};
if (tDeserializeSKillQueryReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &killReq) != 0) {
terrno = TSDB_CODE_INVALID_MSG;
return -1;
}
mInfo("kill query msg is received, queryId:%d", killReq.queryId);
SConnObj *pConn = taosCacheAcquireByKey(pMgmt->cache, &killReq.connId, sizeof(int32_t));
if (pConn == NULL) {
mError("connId:%d, failed to kill queryId:%d, conn not exist", killReq.connId, killReq.queryId);
terrno = TSDB_CODE_MND_INVALID_CONN_ID;
return -1;
} else {
mInfo("connId:%d, queryId:%d is killed by user:%s", killReq.connId, killReq.queryId, pReq->user);
pConn->queryId = killReq.queryId;
taosCacheRelease(pMgmt->cache, (void **)&pConn, false);
return 0;
}
}
static int32_t mndProcessKillConnReq(SMnodeMsg *pReq) {
SMnode *pMnode = pReq->pMnode;
SProfileMgmt *pMgmt = &pMnode->profileMgmt;
SUserObj *pUser = mndAcquireUser(pMnode, pReq->user);
if (pUser == NULL) return 0;
if (!pUser->superUser) {
mndReleaseUser(pMnode, pUser);
terrno = TSDB_CODE_MND_NO_RIGHTS;
return -1;
}
mndReleaseUser(pMnode, pUser);
SKillConnReq killReq = {0};
if (tDeserializeSKillConnReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &killReq) != 0) {
terrno = TSDB_CODE_INVALID_MSG;
return -1;
}
SConnObj *pConn = taosCacheAcquireByKey(pMgmt->cache, &killReq.connId, sizeof(int32_t));
if (pConn == NULL) {
mError("connId:%d, failed to kill connection, conn not exist", killReq.connId);
terrno = TSDB_CODE_MND_INVALID_CONN_ID;
return -1;
} else {
mInfo("connId:%d, is killed by user:%s", killReq.connId, pReq->user);
pConn->killed = 1;
taosCacheRelease(pMgmt->cache, (void **)&pConn, false);
return TSDB_CODE_SUCCESS;
}
}
static int32_t mndGetConnsMeta(SMnodeMsg *pReq, SShowObj *pShow, STableMetaRsp *pMeta) {
SMnode *pMnode = pReq->pMnode;
SProfileMgmt *pMgmt = &pMnode->profileMgmt;
SUserObj *pUser = mndAcquireUser(pMnode, pReq->user);
if (pUser == NULL) return 0;
if (!pUser->superUser) {
mndReleaseUser(pMnode, pUser);
terrno = TSDB_CODE_MND_NO_RIGHTS;
return -1;
}
mndReleaseUser(pMnode, pUser);
int32_t cols = 0;
SSchema *pSchema = pMeta->pSchemas;
pShow->bytes[cols] = 4;
pSchema[cols].type = TSDB_DATA_TYPE_INT;
strcpy(pSchema[cols].name, "connId");
pSchema[cols].bytes = 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 = pShow->bytes[cols];
cols++;
// app name
pShow->bytes[cols] = TSDB_APP_NAME_LEN + VARSTR_HEADER_SIZE;
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
strcpy(pSchema[cols].name, "program");
pSchema[cols].bytes = 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 = 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 = pShow->bytes[cols];
cols++;
pShow->bytes[cols] = 8;
pSchema[cols].type = TSDB_DATA_TYPE_TIMESTAMP;
strcpy(pSchema[cols].name, "login_time");
pSchema[cols].bytes = pShow->bytes[cols];
cols++;
pShow->bytes[cols] = 8;
pSchema[cols].type = TSDB_DATA_TYPE_TIMESTAMP;
strcpy(pSchema[cols].name, "last_access");
pSchema[cols].bytes = pShow->bytes[cols];
cols++;
pMeta->numOfColumns = 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(pMgmt->cache->pHashTable);
pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
strcpy(pMeta->tbName, mndShowStr(pShow->type));
return 0;
}
static int32_t mndRetrieveConns(SMnodeMsg *pReq, SShowObj *pShow, char *data, int32_t rows) {
SMnode *pMnode = pReq->pMnode;
int32_t numOfRows = 0;
SConnObj *pConn = NULL;
int32_t cols = 0;
char *pWrite;
char ipStr[TSDB_IPv4ADDR_LEN + 6];
while (numOfRows < rows) {
pShow->pIter = mndGetNextConn(pMnode, pShow->pIter, &pConn);
if (pConn == NULL) break;
cols = 0;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
*(int32_t *)pWrite = pConn->id;
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, pConn->user, pShow->bytes[cols]);
cols++;
// app name
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, pConn->app, pShow->bytes[cols]);
cols++;
// app pid
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
*(int32_t *)pWrite = pConn->pid;
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
taosIpPort2String(pConn->ip, pConn->port, ipStr);
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, ipStr, pShow->bytes[cols]);
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
*(int64_t *)pWrite = pConn->loginTimeMs;
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
if (pConn->lastAccessTimeMs < pConn->loginTimeMs) pConn->lastAccessTimeMs = pConn->loginTimeMs;
*(int64_t *)pWrite = pConn->lastAccessTimeMs;
cols++;
numOfRows++;
}
pShow->numOfReads += numOfRows;
return numOfRows;
}
static int32_t mndGetQueryMeta(SMnodeMsg *pReq, SShowObj *pShow, STableMetaRsp *pMeta) {
SMnode *pMnode = pReq->pMnode;
SProfileMgmt *pMgmt = &pMnode->profileMgmt;
SUserObj *pUser = mndAcquireUser(pMnode, pReq->user);
if (pUser == NULL) return 0;
if (!pUser->superUser) {
mndReleaseUser(pMnode, pUser);
terrno = TSDB_CODE_MND_NO_RIGHTS;
return -1;
}
mndReleaseUser(pMnode, pUser);
int32_t cols = 0;
SSchema *pSchema = pMeta->pSchemas;
pShow->bytes[cols] = 4;
pSchema[cols].type = TSDB_DATA_TYPE_INT;
strcpy(pSchema[cols].name, "queryId");
pSchema[cols].bytes = pShow->bytes[cols];
cols++;
pShow->bytes[cols] = 4;
pSchema[cols].type = TSDB_DATA_TYPE_INT;
strcpy(pSchema[cols].name, "connId");
pSchema[cols].bytes = 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 = 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 = pShow->bytes[cols];
cols++;
pShow->bytes[cols] = 22 + VARSTR_HEADER_SIZE;
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
strcpy(pSchema[cols].name, "qid");
pSchema[cols].bytes = pShow->bytes[cols];
cols++;
pShow->bytes[cols] = 8;
pSchema[cols].type = TSDB_DATA_TYPE_TIMESTAMP;
strcpy(pSchema[cols].name, "created_time");
pSchema[cols].bytes = pShow->bytes[cols];
cols++;
pShow->bytes[cols] = 8;
pSchema[cols].type = TSDB_DATA_TYPE_BIGINT;
strcpy(pSchema[cols].name, "time");
pSchema[cols].bytes = pShow->bytes[cols];
cols++;
pShow->bytes[cols] = QUERY_OBJ_ID_SIZE + VARSTR_HEADER_SIZE;
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
strcpy(pSchema[cols].name, "sql_obj_id");
pSchema[cols].bytes = pShow->bytes[cols];
cols++;
pShow->bytes[cols] = 4;
pSchema[cols].type = TSDB_DATA_TYPE_INT;
strcpy(pSchema[cols].name, "pid");
pSchema[cols].bytes = pShow->bytes[cols];
cols++;
pShow->bytes[cols] = TSDB_EP_LEN + VARSTR_HEADER_SIZE;
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
strcpy(pSchema[cols].name, "ep");
pSchema[cols].bytes = pShow->bytes[cols];
cols++;
pShow->bytes[cols] = 1;
pSchema[cols].type = TSDB_DATA_TYPE_BOOL;
strcpy(pSchema[cols].name, "stable_query");
pSchema[cols].bytes = pShow->bytes[cols];
cols++;
pShow->bytes[cols] = 4;
pSchema[cols].type = TSDB_DATA_TYPE_INT;
strcpy(pSchema[cols].name, "sub_queries");
pSchema[cols].bytes = pShow->bytes[cols];
cols++;
pShow->bytes[cols] = TSDB_SHOW_SUBQUERY_LEN + VARSTR_HEADER_SIZE;
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
strcpy(pSchema[cols].name, "sub_query_info");
pSchema[cols].bytes = 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 = pShow->bytes[cols];
cols++;
pMeta->numOfColumns = 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];
strcpy(pMeta->tbName, mndShowStr(pShow->type));
return 0;
}
static int32_t mndRetrieveQueries(SMnodeMsg *pReq, SShowObj *pShow, char *data, int32_t rows) {
SMnode *pMnode = pReq->pMnode;
int32_t numOfRows = 0;
SConnObj *pConn = NULL;
int32_t cols = 0;
char *pWrite;
void *pIter;
char str[TSDB_IPv4ADDR_LEN + 6] = {0};
while (numOfRows < rows) {
pIter = mndGetNextConn(pMnode, pShow->pIter, &pConn);
if (pConn == NULL) {
pShow->pIter = pIter;
break;
}
if (numOfRows + pConn->numOfQueries >= rows) {
mndCancelGetNextConn(pMnode, pIter);
break;
}
pShow->pIter = pIter;
for (int32_t i = 0; i < pConn->numOfQueries; ++i) {
SQueryDesc *pDesc = pConn->pQueries + i;
cols = 0;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
*(int64_t *)pWrite = htobe64(pDesc->queryId);
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
*(int64_t *)pWrite = htobe64(pConn->id);
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, pConn->user, pShow->bytes[cols]);
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
snprintf(str, tListLen(str), "%s:%u", taosIpStr(pConn->ip), pConn->port);
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, str, pShow->bytes[cols]);
cols++;
char handleBuf[24] = {0};
snprintf(handleBuf, tListLen(handleBuf), "%" PRIu64, htobe64(pDesc->qId));
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++;
snprintf(str, tListLen(str), "0x%" PRIx64, htobe64(pDesc->sqlObjId));
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;
*(int32_t *)pWrite = htonl(pDesc->pid);
cols++;
char epBuf[TSDB_EP_LEN + 1] = {0};
snprintf(epBuf, tListLen(epBuf), "%s:%u", pDesc->fqdn, pConn->port);
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, epBuf, pShow->bytes[cols]);
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
*(bool *)pWrite = pDesc->stableQuery;
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
*(int32_t *)pWrite = htonl(pDesc->numOfSub);
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, pDesc->subSqlInfo, pShow->bytes[cols]);
cols++;
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, pDesc->sql, pShow->bytes[cols]);
cols++;
numOfRows++;
}
}
mndVacuumResult(data, pShow->numOfColumns, numOfRows, rows, pShow);
pShow->numOfReads += numOfRows;
return numOfRows;
}
static void mndCancelGetNextQuery(SMnode *pMnode, void *pIter) {
SProfileMgmt *pMgmt = &pMnode->profileMgmt;
taosHashCancelIterate(pMgmt->cache->pHashTable, pIter);
}