mirror of
https://github.com/taosdata/TDengine
synced 2026-05-24 10:09:01 +00:00
140 lines
No EOL
4.4 KiB
C
140 lines
No EOL
4.4 KiB
C
/*
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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 "mndTrans.h"
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#define SDB_MNODE_VER 1
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static SSdbRaw *mndMnodeActionEncode(SMnodeObj *pMnodeObj) {
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SSdbRaw *pRaw = sdbAllocRaw(SDB_MNODE, SDB_MNODE_VER, sizeof(SMnodeObj));
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if (pRaw == NULL) return NULL;
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int32_t dataPos = 0;
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SDB_SET_INT32(pRaw, dataPos, pMnodeObj->id);
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SDB_SET_INT64(pRaw, dataPos, pMnodeObj->createdTime)
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SDB_SET_INT64(pRaw, dataPos, pMnodeObj->updateTime)
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return pRaw;
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}
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static SSdbRow *mndMnodeActionDecode(SSdbRaw *pRaw) {
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int8_t sver = 0;
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if (sdbGetRawSoftVer(pRaw, &sver) != 0) return NULL;
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if (sver != SDB_MNODE_VER) {
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terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
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mError("failed to decode mnode since %s", terrstr());
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return NULL;
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}
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SSdbRow *pRow = sdbAllocRow(sizeof(SMnodeObj));
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SMnodeObj *pMnodeObj = sdbGetRowObj(pRow);
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if (pMnodeObj == NULL) return NULL;
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int32_t dataPos = 0;
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SDB_GET_INT32(pRaw, pRow, dataPos, &pMnodeObj->id)
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SDB_GET_INT64(pRaw, pRow, dataPos, &pMnodeObj->createdTime)
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SDB_GET_INT64(pRaw, pRow, dataPos, &pMnodeObj->updateTime)
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return pRow;
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}
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static void mnodeResetMnode(SMnodeObj *pMnodeObj) {
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pMnodeObj->role = TAOS_SYNC_STATE_FOLLOWER;
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pMnodeObj->roleTerm = 0;
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pMnodeObj->roleTime = 0;
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}
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static int32_t mndMnodeActionInsert(SSdb *pSdb, SMnodeObj *pMnodeObj) {
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mTrace("mnode:%d, perform insert action", pMnodeObj->id);
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pMnodeObj->pDnode = sdbAcquire(pSdb, SDB_DNODE, &pMnodeObj->id);
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if (pMnodeObj->pDnode == NULL) {
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terrno = TSDB_CODE_MND_DNODE_NOT_EXIST;
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mError("mnode:%d, failed to perform insert action since %s", pMnodeObj->id, terrstr());
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return -1;
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}
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mnodeResetMnode(pMnodeObj);
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return 0;
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}
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static int32_t mndMnodeActionDelete(SSdb *pSdb, SMnodeObj *pMnodeObj) {
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mTrace("mnode:%d, perform delete action", pMnodeObj->id);
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if (pMnodeObj->pDnode != NULL) {
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sdbRelease(pSdb, pMnodeObj->pDnode);
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pMnodeObj->pDnode = NULL;
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}
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return 0;
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}
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static int32_t mndMnodeActionUpdate(SSdb *pSdb, SMnodeObj *pSrcMnode, SMnodeObj *pDstMnode) {
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mTrace("mnode:%d, perform update action", pSrcMnode->id);
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pSrcMnode->id = pDstMnode->id;
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pSrcMnode->createdTime = pDstMnode->createdTime;
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pSrcMnode->updateTime = pDstMnode->updateTime;
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return 0;
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}
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static int32_t mndCreateDefaultMnode(SMnode *pMnode) {
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SMnodeObj mnodeObj = {0};
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mnodeObj.id = 1;
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mnodeObj.createdTime = taosGetTimestampMs();
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mnodeObj.updateTime = mnodeObj.createdTime;
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SSdbRaw *pRaw = mndMnodeActionEncode(&mnodeObj);
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if (pRaw == NULL) return -1;
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sdbSetRawStatus(pRaw, SDB_STATUS_READY);
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mTrace("mnode:%d, will be created while deploy sdb", mnodeObj.id);
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return sdbWrite(pMnode->pSdb, pRaw);
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}
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static int32_t mndProcessCreateMnodeMsg(SMnode *pMnode, SMnodeMsg *pMsg) { return 0; }
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static int32_t mndProcessDropMnodeMsg(SMnode *pMnode, SMnodeMsg *pMsg) { return 0; }
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int32_t mndInitMnode(SMnode *pMnode) {
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SSdbTable table = {.sdbType = SDB_MNODE,
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.keyType = SDB_KEY_INT32,
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.deployFp = (SdbDeployFp)mndCreateDefaultMnode,
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.encodeFp = (SdbEncodeFp)mndMnodeActionEncode,
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.decodeFp = (SdbDecodeFp)mndMnodeActionDecode,
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.insertFp = (SdbInsertFp)mndMnodeActionInsert,
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.updateFp = (SdbUpdateFp)mndMnodeActionUpdate,
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.deleteFp = (SdbDeleteFp)mndMnodeActionDelete};
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mndSetMsgHandle(pMnode, TSDB_MSG_TYPE_CREATE_MNODE, mndProcessCreateMnodeMsg);
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mndSetMsgHandle(pMnode, TSDB_MSG_TYPE_DROP_MNODE, mndProcessDropMnodeMsg);
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return sdbSetTable(pMnode->pSdb, table);
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}
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void mndCleanupMnode(SMnode *pMnode) {}
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bool mndIsMnode(SMnode *pMnode, int32_t dnodeId) {
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SSdb *pSdb = pMnode->pSdb;
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SMnodeObj *pMnodeObj = sdbAcquire(pSdb, SDB_MNODE, &dnodeId);
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if (pMnodeObj == NULL) {
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return false;
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}
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sdbRelease(pSdb, pMnodeObj);
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return true;
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}
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void mndGetMnodeEpSet(SMnode *pMnode, SEpSet *pEpSet) {} |