homework-jianmu/source/dnode/mgmt/qm/qmWorker.c

145 lines
4.7 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/>.
*/
#define _DEFAULT_SOURCE
#include "qmInt.h"
static void qmSendRsp(SMgmtWrapper *pWrapper, SNodeMsg *pMsg, int32_t code) {
SRpcMsg rsp = {.handle = pMsg->rpcMsg.handle, .ahandle = pMsg->rpcMsg.ahandle, .code = code};
tmsgSendRsp(&rsp);
}
static void qmProcessQueryQueue(SQueueInfo *pInfo, SNodeMsg *pMsg) {
SQnodeMgmt *pMgmt = pInfo->ahandle;
dTrace("msg:%p, will be processed in qnode-query queue", pMsg);
int32_t code = qndProcessQueryMsg(pMgmt->pQnode, &pMsg->rpcMsg);
if (code != 0) {
qmSendRsp(pMgmt->pWrapper, pMsg, code);
}
dTrace("msg:%p, is freed, result:0x%04x:%s", pMsg, code & 0XFFFF, tstrerror(code));
rpcFreeCont(pMsg->rpcMsg.pCont);
taosFreeQitem(pMsg);
}
static void qmProcessFetchQueue(SQueueInfo *pInfo, SNodeMsg *pMsg) {
SQnodeMgmt *pMgmt = pInfo->ahandle;
dTrace("msg:%p, will be processed in qnode-fetch queue", pMsg);
int32_t code = qndProcessFetchMsg(pMgmt->pQnode, &pMsg->rpcMsg);
if (code != 0) {
qmSendRsp(pMgmt->pWrapper, pMsg, code);
}
dTrace("msg:%p, is freed, result:0x%04x:%s", pMsg, code & 0XFFFF, tstrerror(code));
rpcFreeCont(pMsg->rpcMsg.pCont);
taosFreeQitem(pMsg);
}
static void qmPutMsgToWorker(SSingleWorker *pWorker, SNodeMsg *pMsg) {
dTrace("msg:%p, put into worker %s", pMsg, pWorker->name);
taosWriteQitem(pWorker->queue, pMsg);
}
int32_t qmProcessQueryMsg(SMgmtWrapper *pWrapper, SNodeMsg *pMsg) {
SQnodeMgmt *pMgmt = pWrapper->pMgmt;
qmPutMsgToWorker(&pMgmt->queryWorker, pMsg);
return 0;
}
int32_t qmProcessFetchMsg(SMgmtWrapper *pWrapper, SNodeMsg *pMsg) {
SQnodeMgmt *pMgmt = pWrapper->pMgmt;
qmPutMsgToWorker(&pMgmt->fetchWorker, pMsg);
return 0;
}
static int32_t qmPutRpcMsgToWorker(SQnodeMgmt *pMgmt, SSingleWorker *pWorker, SRpcMsg *pRpc) {
SNodeMsg *pMsg = taosAllocateQitem(sizeof(SNodeMsg));
if (pMsg == NULL) {
return -1;
}
dTrace("msg:%p, is created and put into worker:%s, type:%s", pMsg, pWorker->name, TMSG_INFO(pRpc->msgType));
pMsg->rpcMsg = *pRpc;
taosWriteQitem(pWorker->queue, pMsg);
return 0;
}
int32_t qmPutMsgToQueryQueue(SMgmtWrapper *pWrapper, SRpcMsg *pRpc) {
SQnodeMgmt *pMgmt = pWrapper->pMgmt;
return qmPutRpcMsgToWorker(pMgmt, &pMgmt->queryWorker, pRpc);
}
int32_t qmPutMsgToFetchQueue(SMgmtWrapper *pWrapper, SRpcMsg *pRpc) {
SQnodeMgmt *pMgmt = pWrapper->pMgmt;
return qmPutRpcMsgToWorker(pMgmt, &pMgmt->fetchWorker, pRpc);
}
int32_t qmGetQueueSize(SMgmtWrapper *pWrapper, int32_t vgId, EQueueType qtype) {
int32_t size = -1;
SQnodeMgmt *pMgmt = pWrapper->pMgmt;
switch (qtype) {
case QUERY_QUEUE:
size = taosQueueSize(pMgmt->queryWorker.queue);
break;
case FETCH_QUEUE:
size = taosQueueSize(pMgmt->fetchWorker.queue);
break;
default:
break;
}
return size;
}
int32_t qmStartWorker(SQnodeMgmt *pMgmt) {
int32_t maxFetchThreads = 4;
int32_t minFetchThreads = TMIN(maxFetchThreads, tsNumOfCores);
int32_t minQueryThreads = TMAX((int32_t)(tsNumOfCores * tsRatioOfQueryCores), 1);
int32_t maxQueryThreads = minQueryThreads;
SSingleWorkerCfg queryCfg = {.min = minQueryThreads,
.max = maxQueryThreads,
.name = "qnode-query",
.fp = (FItem)qmProcessQueryQueue,
.param = pMgmt};
if (tSingleWorkerInit(&pMgmt->queryWorker, &queryCfg) != 0) {
dError("failed to start qnode-query worker since %s", terrstr());
return -1;
}
SSingleWorkerCfg fetchCfg = {.min = minFetchThreads,
.max = maxFetchThreads,
.name = "qnode-fetch",
.fp = (FItem)qmProcessFetchQueue,
.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");
}