Delete vnodeReadMsg.c.orig
This commit is contained in:
Liu Jicong
GitHub
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477e314315
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92854ffb0b
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/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#define _DEFAULT_SOURCE
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#include "os.h"
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#include "taosmsg.h"
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#include "tglobal.h"
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// #include "query.h"
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#include "vnodeStatus.h"
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#include "vnodeRead.h"
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#include "vnodeReadMsg.h"
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#if 0
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// notify connection(handle) that current qhandle is created, if current connection from
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// client is broken, the query needs to be killed immediately.
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static int32_t vnodeNotifyCurrentQhandle(void *handle, uint64_t qId, void *qhandle, int32_t vgId) {
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SRetrieveTableMsg *pMsg = rpcMallocCont(sizeof(SRetrieveTableMsg));
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pMsg->qId = htobe64(qId);
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pMsg->header.vgId = htonl(vgId);
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pMsg->header.contLen = htonl(sizeof(SRetrieveTableMsg));
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vTrace("QInfo:0x%" PRIx64 "-%p register qhandle to connect:%p", qId, qhandle, handle);
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return rpcReportProgress(handle, (char *)pMsg, sizeof(SRetrieveTableMsg));
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}
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/**
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* @param pRet response message object
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* @param pVnode the vnode object
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* @param handle qhandle for executing query
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* @param freeHandle free qhandle or not
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* @param ahandle sqlObj address at client side
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* @return
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*/
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static int32_t vnodeDumpQueryResult(SVnRsp *pRet, void *pVnode, uint64_t qId, void **handle, bool *freeHandle,
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void *ahandle) {
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bool continueExec = false;
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int32_t code = TSDB_CODE_SUCCESS;
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if ((code = qDumpRetrieveResult(*handle, (SRetrieveTableRsp **)&pRet->rsp, &pRet->len, &continueExec)) ==
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TSDB_CODE_SUCCESS) {
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if (continueExec) {
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*freeHandle = false;
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code = vnodeReputPutToRQueue(pVnode, handle, ahandle);
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if (code != TSDB_CODE_SUCCESS) {
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*freeHandle = true;
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return code;
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} else {
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pRet->qhandle = *handle;
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}
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} else {
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*freeHandle = true;
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vTrace("QInfo:0x%" PRIx64 "-%p exec completed, free handle:%d", qId, *handle, *freeHandle);
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}
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} else {
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SRetrieveTableRsp *pRsp = (SRetrieveTableRsp *)rpcMallocCont(sizeof(SRetrieveTableRsp));
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memset(pRsp, 0, sizeof(SRetrieveTableRsp));
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pRsp->completed = true;
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pRet->rsp = pRsp;
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pRet->len = sizeof(SRetrieveTableRsp);
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*freeHandle = true;
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}
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return code;
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}
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static void vnodeBuildNoResultQueryRsp(SVnRsp *pRet) {
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pRet->rsp = (SRetrieveTableRsp *)rpcMallocCont(sizeof(SRetrieveTableRsp));
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pRet->len = sizeof(SRetrieveTableRsp);
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memset(pRet->rsp, 0, sizeof(SRetrieveTableRsp));
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SRetrieveTableRsp *pRsp = pRet->rsp;
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pRsp->completed = true;
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}
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#endif
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int32_t vnodeProcessQueryMsg(SVnode *pVnode, SReadMsg *pRead) {
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#if 0
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void * pCont = pRead->pCont;
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int32_t contLen = pRead->contLen;
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SVnRsp *pRet = &pRead->rspRet;
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SQueryTableMsg *pQueryTableMsg = (SQueryTableMsg *)pCont;
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memset(pRet, 0, sizeof(SVnRsp));
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// qHandle needs to be freed correctly
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if (pRead->code == TSDB_CODE_RPC_NETWORK_UNAVAIL) {
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vError("error rpc msg in query, %s", tstrerror(pRead->code));
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}
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int32_t code = TSDB_CODE_SUCCESS;
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void ** handle = NULL;
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if (contLen != 0) {
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qinfo_t pQInfo = NULL;
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uint64_t qId = genQueryId();
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code = qCreateQueryInfo(pVnode->tsdb, pVnode->vgId, pQueryTableMsg, &pQInfo, qId);
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SQueryTableRsp *pRsp = (SQueryTableRsp *)rpcMallocCont(sizeof(SQueryTableRsp));
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pRsp->code = code;
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pRsp->qId = 0;
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pRet->len = sizeof(SQueryTableRsp);
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pRet->rsp = pRsp;
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int32_t vgId = pVnode->vgId;
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// current connect is broken
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if (code == TSDB_CODE_SUCCESS) {
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handle = qRegisterQInfo(pVnode->qMgmt, qId, pQInfo);
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if (handle == NULL) { // failed to register qhandle
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pRsp->code = terrno;
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terrno = 0;
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vError("vgId:%d, QInfo:0x%" PRIx64 "-%p register qhandle failed, return to app, code:%s,", pVnode->vgId, qId,
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(void *)pQInfo, tstrerror(pRsp->code));
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qDestroyQueryInfo(pQInfo); // destroy it directly
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return pRsp->code;
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} else {
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assert(*handle == pQInfo);
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pRsp->qId = htobe64(qId);
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}
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if (handle != NULL &&
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vnodeNotifyCurrentQhandle(pRead->rpcHandle, qId, *handle, pVnode->vgId) != TSDB_CODE_SUCCESS) {
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vError("vgId:%d, QInfo:0x%" PRIx64 "-%p, query discarded since link is broken, %p", pVnode->vgId, qId, *handle,
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pRead->rpcHandle);
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pRsp->code = TSDB_CODE_RPC_NETWORK_UNAVAIL;
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qReleaseQInfo(pVnode->qMgmt, (void **)&handle, true);
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return pRsp->code;
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}
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} else {
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assert(pQInfo == NULL);
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}
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if (handle != NULL) {
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vTrace("vgId:%d, QInfo:0x%" PRIx64 "-%p, query msg disposed, create qhandle and returns to app", vgId, qId,
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*handle);
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code = vnodeReputPutToRQueue(pVnode, handle, pRead->rpcHandle);
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if (code != TSDB_CODE_SUCCESS) {
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pRsp->code = code;
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qReleaseQInfo(pVnode->qMgmt, (void **)&handle, true);
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return pRsp->code;
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}
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}
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int32_t remain = atomic_add_fetch_32(&pVnode->numOfExistQHandle, 1);
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vTrace("vgId:%d, new qhandle created, total qhandle:%d", pVnode->vgId, remain);
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} else {
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assert(pCont != NULL);
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void ** qhandle = (void **)pRead->qhandle;
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uint64_t qId = 0;
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vTrace("vgId:%d, QInfo:%p, continues to exec query", pVnode->vgId, *qhandle);
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// In the retrieve blocking model, only 50% CPU will be used in query processing
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if (tsRetrieveBlockingModel) {
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qTableQuery(*qhandle, &qId); // do execute query
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qReleaseQInfo(pVnode->qMgmt, (void **)&qhandle, false);
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} else {
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bool freehandle = false;
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bool buildRes = qTableQuery(*qhandle, &qId); // do execute query
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// build query rsp, the retrieve request has reached here already
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if (buildRes) {
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// update the connection info according to the retrieve connection
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pRead->rpcHandle = qGetResultRetrieveMsg(*qhandle);
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assert(pRead->rpcHandle != NULL);
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vTrace("vgId:%d, QInfo:%p, start to build retrieval rsp after query paused, %p", pVnode->vgId, *qhandle,
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pRead->rpcHandle);
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// set the real rsp error code
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pRead->code = vnodeDumpQueryResult(&pRead->rspRet, pVnode, qId, qhandle, &freehandle, pRead->rpcHandle);
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// NOTE: set return code to be TSDB_CODE_QRY_HAS_RSP to notify dnode to return msg to client
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code = TSDB_CODE_QRY_HAS_RSP;
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} else {
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// void *h1 = qGetResultRetrieveMsg(*qhandle);
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/* remove this assert, one possible case that will cause h1 not NULL: query thread unlock pQInfo->lock, and then
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* FETCH thread execute twice before query thread reach here */
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// assert(h1 == NULL);
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freehandle = qQueryCompleted(*qhandle);
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}
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// NOTE: if the qhandle is not put into vread queue or query is completed, free the qhandle.
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// If the building of result is not required, simply free it. Otherwise, mandatorily free the qhandle
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if (freehandle || (!buildRes)) {
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if (freehandle) {
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int32_t remain = atomic_sub_fetch_32(&pVnode->numOfExistQHandle, 1);
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vTrace("vgId:%d, QInfo:%p, start to free qhandle, remain qhandle:%d", pVnode->vgId, *qhandle, remain);
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}
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qReleaseQInfo(pVnode->qMgmt, (void **)&qhandle, freehandle);
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}
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}
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}
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return code;
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#endif
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return 0;
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}
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//mq related
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<<<<<<< HEAD
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int32_t vnodeProcessConsumeMsg(SVnode *pVnode, SReadMsg *pRead) {
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//parse message and optionally move offset
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void* pMsg = pRead->pCont;
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tmqConsumeReq *pConsumeMsg = (tmqConsumeReq*) pMsg;
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tmqMsgHead msgHead = pConsumeMsg->head;
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//extract head
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STQ *pTq = pVnode->pTQ;
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tqGroupHandle *pHandle = tqFindGHandleBycId(pTq, msgHead.clientId);
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//return msg if offset not moved
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if(pConsumeMsg->commitOffset == pHandle->consumeOffset) {
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//return msg
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return 0;
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}
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//or move offset
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tqMoveOffsetToNext(pHandle);
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//fetch or register context
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tqFetchMsg(pHandle, pRead);
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//judge mode, tail read or catch up read
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//launch new query
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return 0;
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}
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int32_t vnodeProcessTqQueryMsg(SVnode *pVnode, SReadMsg *pRead) {
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//get operator tree from tq data structure
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//execute operator tree
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//put data into ringbuffer
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//unref memory
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=======
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int32_t vnodeProcessConsumeMsg(SVnode *pVnode, SReadMsg *pRead){
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return 0;
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}
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int32_t vnodeProcessTqQueryMsg(SVnode *pVnode, SReadMsg *pRead) {
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>>>>>>> 3.0
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return 0;
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}
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//mq related end
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int32_t vnodeProcessFetchMsg(SVnode *pVnode, SReadMsg *pRead) {
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#if 0
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void * pCont = pRead->pCont;
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SVnRsp *pRet = &pRead->rspRet;
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SRetrieveTableMsg *pRetrieve = pCont;
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pRetrieve->free = htons(pRetrieve->free);
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pRetrieve->qId = htobe64(pRetrieve->qId);
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vTrace("vgId:%d, qId:0x%" PRIx64 ", retrieve msg is disposed, free:%d, conn:%p", pVnode->vgId, pRetrieve->qId,
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pRetrieve->free, pRead->rpcHandle);
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memset(pRet, 0, sizeof(SVnRsp));
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terrno = TSDB_CODE_SUCCESS;
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int32_t code = TSDB_CODE_SUCCESS;
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void ** handle = qAcquireQInfo(pVnode->qMgmt, pRetrieve->qId);
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if (handle == NULL) {
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code = terrno;
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terrno = TSDB_CODE_SUCCESS;
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} else if (!checkQIdEqual(*handle, pRetrieve->qId)) {
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code = TSDB_CODE_QRY_INVALID_QHANDLE;
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}
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if (code != TSDB_CODE_SUCCESS) {
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vError("vgId:%d, invalid qId in retrieving result, code:%s, QInfo:%" PRIu64, pVnode->vgId, tstrerror(code),
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pRetrieve->qId);
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vnodeBuildNoResultQueryRsp(pRet);
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return code;
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}
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// kill current query and free corresponding resources.
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if (pRetrieve->free == 1) {
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int32_t remain = atomic_sub_fetch_32(&pVnode->numOfExistQHandle, 1);
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vWarn("vgId:%d, QInfo:%" PRIx64 "-%p, retrieve msg received to kill query and free qhandle, remain qhandle:%d",
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pVnode->vgId, pRetrieve->qId, *handle, remain);
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qKillQuery(*handle);
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qReleaseQInfo(pVnode->qMgmt, (void **)&handle, true);
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vnodeBuildNoResultQueryRsp(pRet);
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code = TSDB_CODE_TSC_QUERY_CANCELLED;
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return code;
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}
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// register the qhandle to connect to quit query immediate if connection is broken
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if (vnodeNotifyCurrentQhandle(pRead->rpcHandle, pRetrieve->qId, *handle, pVnode->vgId) != TSDB_CODE_SUCCESS) {
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int32_t remain = atomic_sub_fetch_32(&pVnode->numOfExistQHandle, 1);
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vError("vgId:%d, QInfo:%" PRIu64 "-%p, retrieve discarded since link is broken, conn:%p, remain qhandle:%d",
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pVnode->vgId, pRetrieve->qhandle, *handle, pRead->rpcHandle, remain);
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code = TSDB_CODE_RPC_NETWORK_UNAVAIL;
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qKillQuery(*handle);
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qReleaseQInfo(pVnode->qMgmt, (void **)&handle, true);
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return code;
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}
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bool freeHandle = true;
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bool buildRes = false;
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code = qRetrieveQueryResultInfo(*handle, &buildRes, pRead->rpcHandle);
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if (code != TSDB_CODE_SUCCESS) {
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// TODO handle malloc failure
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pRet->rsp = (SRetrieveTableRsp *)rpcMallocCont(sizeof(SRetrieveTableRsp));
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pRet->len = sizeof(SRetrieveTableRsp);
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memset(pRet->rsp, 0, sizeof(SRetrieveTableRsp));
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freeHandle = true;
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} else { // result is not ready, return immediately
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// Only affects the non-blocking model
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if (!tsRetrieveBlockingModel) {
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if (!buildRes) {
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assert(pRead->rpcHandle != NULL);
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qReleaseQInfo(pVnode->qMgmt, (void **)&handle, false);
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return TSDB_CODE_QRY_NOT_READY;
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}
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}
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// ahandle is the sqlObj pointer
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code = vnodeDumpQueryResult(pRet, pVnode, pRetrieve->qId, handle, &freeHandle, pRead->rpcHandle);
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}
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// If qhandle is not added into vread queue, the query should be completed already or paused with error.
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// Here free qhandle immediately
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if (freeHandle) {
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int32_t remain = atomic_sub_fetch_32(&pVnode->numOfExistQHandle, 1);
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vTrace("vgId:%d, QInfo:%p, start to free qhandle, remain qhandle:%d", pVnode->vgId, *handle, remain);
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qReleaseQInfo(pVnode->qMgmt, (void **)&handle, true);
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}
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return code;
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#endif
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return 0;
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}
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