homework-jianmu/source/dnode/vnode/impl/src/vnodeWrite.c

117 lines
3.3 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 "vnodeDef.h"
int vnodeProcessNoWalWMsgs(SVnode *pVnode, SRpcMsg *pMsg) {
switch (pMsg->msgType) {
case TDMT_VND_MQ_SET_CUR:
if (tqSetCursor(pVnode->pTq, pMsg->pCont) < 0) {
// TODO: handle error
}
break;
}
return 0;
}
int vnodeProcessWMsgs(SVnode *pVnode, SArray *pMsgs) {
SRpcMsg *pMsg;
for (int i = 0; i < taosArrayGetSize(pMsgs); i++) {
pMsg = *(SRpcMsg **)taosArrayGet(pMsgs, i);
// ser request version
void * pBuf = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
int64_t ver = pVnode->state.processed++;
taosEncodeFixedU64(&pBuf, ver);
if (walWrite(pVnode->pWal, ver, pMsg->msgType, pMsg->pCont, pMsg->contLen) < 0) {
// TODO: handle error
}
}
walFsync(pVnode->pWal, false);
// TODO: Integrate RAFT module here
return 0;
}
int vnodeApplyWMsg(SVnode *pVnode, SRpcMsg *pMsg, SRpcMsg **pRsp) {
SVCreateTbReq vCreateTbReq;
SVCreateTbBatchReq vCreateTbBatchReq;
void * ptr = vnodeMalloc(pVnode, pMsg->contLen);
if (ptr == NULL) {
// TODO: handle error
}
// TODO: copy here need to be extended
memcpy(ptr, pMsg->pCont, pMsg->contLen);
// todo: change the interface here
uint64_t ver;
taosDecodeFixedU64(POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead)), &ver);
if (tqPushMsg(pVnode->pTq, ptr, ver) < 0) {
// TODO: handle error
}
switch (pMsg->msgType) {
case TDMT_VND_CREATE_STB:
tDeserializeSVCreateTbReq(POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead)), &vCreateTbReq);
if (metaCreateTable(pVnode->pMeta, &(vCreateTbReq)) < 0) {
// TODO: handle error
}
// TODO: maybe need to clear the requst struct
break;
case TDMT_VND_CREATE_TABLE:
tSVCreateTbBatchReqDeserialize(POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead)), &vCreateTbBatchReq);
for (int i = 0; i < taosArrayGetSize(vCreateTbBatchReq.pArray); i++) {
SVCreateTbReq *pCreateTbReq = taosArrayGet(vCreateTbBatchReq.pArray, i);
if (metaCreateTable(pVnode->pMeta, pCreateTbReq) < 0) {
// TODO: handle error
}
}
case TDMT_VND_DROP_STB:
case TDMT_VND_DROP_TABLE:
// if (metaDropTable(pVnode->pMeta, vReq.dtReq.uid) < 0) {
// // TODO: handle error
// }
break;
case TDMT_VND_SUBMIT:
if (tsdbInsertData(pVnode->pTsdb, (SSubmitMsg *)ptr, NULL) < 0) {
// TODO: handle error
}
break;
default:
ASSERT(0);
break;
}
pVnode->state.applied = ver;
// Check if it needs to commit
if (vnodeShouldCommit(pVnode)) {
tsem_wait(&(pVnode->canCommit));
if (vnodeAsyncCommit(pVnode) < 0) {
// TODO: handle error
}
}
return 0;
}
/* ------------------------ STATIC METHODS ------------------------ */