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

80 lines
2.7 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/>.
*/
#include "mndQuery.h"
#include "executor.h"
#include "mndMnode.h"
#include "qworker.h"
int32_t mndPreProcessQueryMsg(SRpcMsg *pMsg) {
if (TDMT_VND_QUERY != pMsg->msgType) return 0;
SMnode *pMnode = pMsg->info.node;
return qWorkerPreprocessQueryMsg(pMnode->pQuery, pMsg);
}
void mndPostProcessQueryMsg(SRpcMsg *pMsg) {
if (TDMT_VND_QUERY != pMsg->msgType) return;
SMnode *pMnode = pMsg->info.node;
qWorkerAbortPreprocessQueryMsg(pMnode->pQuery, pMsg);
}
int32_t mndProcessQueryMsg(SRpcMsg *pMsg) {
int32_t code = -1;
SMnode *pMnode = pMsg->info.node;
SReadHandle handle = {.mnd = pMnode, .pMsgCb = &pMnode->msgCb};
mTrace("msg:%p, in query queue is processing", pMsg);
switch (pMsg->msgType) {
case TDMT_VND_QUERY:
code = qWorkerProcessQueryMsg(&handle, pMnode->pQuery, pMsg, 0);
break;
case TDMT_VND_QUERY_CONTINUE:
code = qWorkerProcessCQueryMsg(&handle, pMnode->pQuery, pMsg, 0);
break;
case TDMT_VND_FETCH:
code = qWorkerProcessFetchMsg(pMnode, pMnode->pQuery, pMsg, 0);
break;
case TDMT_VND_DROP_TASK:
code = qWorkerProcessDropMsg(pMnode, pMnode->pQuery, pMsg, 0);
break;
case TDMT_VND_QUERY_HEARTBEAT:
code = qWorkerProcessHbMsg(pMnode, pMnode->pQuery, pMsg, 0);
break;
default:
terrno = TSDB_CODE_VND_APP_ERROR;
mError("unknown msg type:%d in query queue", pMsg->msgType);
}
if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;
return code;
}
int32_t mndInitQuery(SMnode *pMnode) {
if (qWorkerInit(NODE_TYPE_MNODE, MNODE_HANDLE, NULL, (void **)&pMnode->pQuery, &pMnode->msgCb) != 0) {
mError("failed to init qworker in mnode since %s", terrstr());
return -1;
}
mndSetMsgHandle(pMnode, TDMT_VND_QUERY, mndProcessQueryMsg);
mndSetMsgHandle(pMnode, TDMT_VND_QUERY_CONTINUE, mndProcessQueryMsg);
mndSetMsgHandle(pMnode, TDMT_VND_FETCH, mndProcessQueryMsg);
mndSetMsgHandle(pMnode, TDMT_VND_DROP_TASK, mndProcessQueryMsg);
mndSetMsgHandle(pMnode, TDMT_VND_QUERY_HEARTBEAT, mndProcessQueryMsg);
return 0;
}
void mndCleanupQuery(SMnode *pMnode) { qWorkerDestroy((void **)&pMnode->pQuery); }