homework-jianmu/source/dnode/mgmt/mgmt_qnode/src/qmWorker.c

137 lines
4.0 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 "qmInt.h"
static inline void qmSendRsp(SRpcMsg *pMsg, int32_t code) {
SRpcMsg rsp = {
.code = code,
.pCont = pMsg->info.rsp,
.contLen = pMsg->info.rspLen,
.info = pMsg->info,
};
tmsgSendRsp(&rsp);
}
static void qmProcessQueue(SQueueInfo *pInfo, SRpcMsg *pMsg) {
SQnodeMgmt *pMgmt = pInfo->ahandle;
dTrace("msg:%p, get from qnode queue", pMsg);
int32_t code = qndProcessQueryMsg(pMgmt->pQnode, pInfo->timestamp, pMsg);
if (IsReq(pMsg) && code != TSDB_CODE_ACTION_IN_PROGRESS) {
if (code != 0 && terrno != 0) code = terrno;
qmSendRsp(pMsg, code);
}
dTrace("msg:%p, is freed, code:0x%x", pMsg, code);
rpcFreeCont(pMsg->pCont);
taosFreeQitem(pMsg);
}
static int32_t qmPutNodeMsgToWorker(SSingleWorker *pWorker, SRpcMsg *pMsg) {
dTrace("msg:%p, put into worker %s, type:%s", pMsg, pWorker->name, TMSG_INFO(pMsg->msgType));
taosWriteQitem(pWorker->queue, pMsg);
return 0;
}
int32_t qmPutNodeMsgToQueryQueue(SQnodeMgmt *pMgmt, SRpcMsg *pMsg) {
qndPreprocessQueryMsg(pMgmt->pQnode, pMsg);
return qmPutNodeMsgToWorker(&pMgmt->queryWorker, pMsg);
}
int32_t qmPutNodeMsgToFetchQueue(SQnodeMgmt *pMgmt, SRpcMsg *pMsg) {
return qmPutNodeMsgToWorker(&pMgmt->fetchWorker, pMsg);
}
int32_t qmPutRpcMsgToQueue(SQnodeMgmt *pMgmt, EQueueType qtype, SRpcMsg *pRpc) {
SRpcMsg *pMsg = taosAllocateQitem(sizeof(SRpcMsg), RPC_QITEM, pRpc->contLen);
if (pMsg == NULL) return -1;
memcpy(pMsg, pRpc, sizeof(SRpcMsg));
pRpc->pCont = NULL;
switch (qtype) {
case QUERY_QUEUE:
dTrace("msg:%p, is created and will put into qnode-query queue, len:%d", pMsg, pRpc->contLen);
taosWriteQitem(pMgmt->queryWorker.queue, pMsg);
return 0;
case READ_QUEUE:
case FETCH_QUEUE:
dTrace("msg:%p, is created and will put into qnode-fetch queue, len:%d", pMsg, pRpc->contLen);
taosWriteQitem(pMgmt->fetchWorker.queue, pMsg);
return 0;
default:
terrno = TSDB_CODE_INVALID_PARA;
rpcFreeCont(pMsg->pCont);
taosFreeQitem(pMsg);
return -1;
}
}
int32_t qmGetQueueSize(SQnodeMgmt *pMgmt, int32_t vgId, EQueueType qtype) {
int32_t size = -1;
switch (qtype) {
case QUERY_QUEUE:
size = taosQueueItemSize(pMgmt->queryWorker.queue);
break;
case FETCH_QUEUE:
size = taosQueueItemSize(pMgmt->fetchWorker.queue);
break;
default:
break;
}
return size;
}
int32_t qmStartWorker(SQnodeMgmt *pMgmt) {
SSingleWorkerCfg queryCfg = {
.min = tsNumOfVnodeQueryThreads,
.max = tsNumOfVnodeQueryThreads,
.name = "qnode-query",
.fp = (FItem)qmProcessQueue,
.param = pMgmt,
};
if (tSingleWorkerInit(&pMgmt->queryWorker, &queryCfg) != 0) {
dError("failed to start qnode-query worker since %s", terrstr());
return -1;
}
SSingleWorkerCfg fetchCfg = {
.min = tsNumOfQnodeFetchThreads,
.max = tsNumOfQnodeFetchThreads,
.name = "qnode-fetch",
.fp = (FItem)qmProcessQueue,
.param = pMgmt,
};
if (tSingleWorkerInit(&pMgmt->fetchWorker, &fetchCfg) != 0) {
dError("failed to start qnode-fetch worker since %s", terrstr());
return -1;
}
dDebug("qnode workers are initialized");
return 0;
}
void qmStopWorker(SQnodeMgmt *pMgmt) {
tSingleWorkerCleanup(&pMgmt->queryWorker);
tSingleWorkerCleanup(&pMgmt->fetchWorker);
dDebug("qnode workers are closed");
}