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

74 lines
2.4 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 qmProcessQueue(SQnodeMgmt *pMgmt, SNodeMsg *pMsg) {
dTrace("msg:%p, will be processed in qnode queue", pMsg);
SRpcMsg *pRsp = NULL;
SRpcMsg *pRpc = &pMsg->rpcMsg;
int32_t code = qndProcessMsg(pMgmt->pQnode, pRpc, &pRsp);
if (pRpc->msgType & 1u) {
if (pRsp != NULL) {
pRsp->ahandle = pRpc->ahandle;
dndSendRsp(pMgmt->pWrapper, pRsp);
free(pRsp);
} else {
if (code != 0) code = terrno;
SRpcMsg rpcRsp = {.handle = pRpc->handle, .ahandle = pRpc->ahandle, .code = code};
dndSendRsp(pMgmt->pWrapper, &rpcRsp);
}
}
dTrace("msg:%p, is freed, result:0x%04x:%s", pMsg, code & 0XFFFF, tstrerror(code));
rpcFreeCont(pRpc->pCont);
taosFreeQitem(pMsg);
}
int32_t qmProcessQueryMsg(SQnodeMgmt *pMgmt, SNodeMsg *pMsg) {
SDnodeWorker *pWorker = &pMgmt->queryWorker;
dTrace("msg:%p, put into worker:%s", pMsg, pWorker->name);
return dndWriteMsgToWorker(pWorker, pMsg);
}
int32_t qmProcessFetchMsg(SQnodeMgmt *pMgmt, SNodeMsg *pMsg) {
SDnodeWorker *pWorker = &pMgmt->fetchWorker;
dTrace("msg:%p, put into worker:%s", pMsg, pWorker->name);
return dndWriteMsgToWorker(pWorker, pMsg);
}
int32_t qmStartWorker(SQnodeMgmt *pMgmt) {
if (dndInitWorker(pMgmt, &pMgmt->queryWorker, DND_WORKER_SINGLE, "qnode-query", 0, 1, qmProcessQueue) != 0) {
dError("failed to start qnode query worker since %s", terrstr());
return -1;
}
if (dndInitWorker(pMgmt, &pMgmt->fetchWorker, DND_WORKER_SINGLE, "qnode-fetch", 0, 1, qmProcessQueue) != 0) {
dError("failed to start qnode fetch worker since %s", terrstr());
return -1;
}
return 0;
}
void qmStopWorker(SQnodeMgmt *pMgmt) {
dndCleanupWorker(&pMgmt->queryWorker);
dndCleanupWorker(&pMgmt->fetchWorker);
}