524 lines
16 KiB
C
524 lines
16 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 "mndBnode.h"
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#include "mndAuth.h"
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#include "mndDnode.h"
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#include "mndShow.h"
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#include "mndTrans.h"
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#include "mndUser.h"
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#define TSDB_BNODE_VER_NUMBER 1
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#define TSDB_BNODE_RESERVE_SIZE 64
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static SSdbRaw *mndBnodeActionEncode(SBnodeObj *pObj);
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static SSdbRow *mndBnodeActionDecode(SSdbRaw *pRaw);
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static int32_t mndBnodeActionInsert(SSdb *pSdb, SBnodeObj *pObj);
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static int32_t mndBnodeActionDelete(SSdb *pSdb, SBnodeObj *pObj);
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static int32_t mndBnodeActionUpdate(SSdb *pSdb, SBnodeObj *pOld, SBnodeObj *pNew);
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static int32_t mndProcessCreateBnodeReq(SNodeMsg *pReq);
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static int32_t mndProcessDropBnodeReq(SNodeMsg *pReq);
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static int32_t mndProcessCreateBnodeRsp(SNodeMsg *pRsp);
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static int32_t mndProcessDropBnodeRsp(SNodeMsg *pRsp);
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static int32_t mndGetBnodeMeta(SNodeMsg *pReq, SShowObj *pShow, STableMetaRsp *pMeta);
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static int32_t mndRetrieveBnodes(SNodeMsg *pReq, SShowObj *pShow, char *data, int32_t rows);
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static void mndCancelGetNextBnode(SMnode *pMnode, void *pIter);
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int32_t mndInitBnode(SMnode *pMnode) {
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SSdbTable table = {.sdbType = SDB_BNODE,
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.keyType = SDB_KEY_INT32,
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.encodeFp = (SdbEncodeFp)mndBnodeActionEncode,
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.decodeFp = (SdbDecodeFp)mndBnodeActionDecode,
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.insertFp = (SdbInsertFp)mndBnodeActionInsert,
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.updateFp = (SdbUpdateFp)mndBnodeActionUpdate,
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.deleteFp = (SdbDeleteFp)mndBnodeActionDelete};
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mndSetMsgHandle(pMnode, TDMT_MND_CREATE_BNODE, mndProcessCreateBnodeReq);
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mndSetMsgHandle(pMnode, TDMT_MND_DROP_BNODE, mndProcessDropBnodeReq);
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mndSetMsgHandle(pMnode, TDMT_DND_CREATE_BNODE_RSP, mndProcessCreateBnodeRsp);
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mndSetMsgHandle(pMnode, TDMT_DND_DROP_BNODE_RSP, mndProcessDropBnodeRsp);
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mndAddShowMetaHandle(pMnode, TSDB_MGMT_TABLE_BNODE, mndGetBnodeMeta);
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mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_BNODE, mndRetrieveBnodes);
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mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_BNODE, mndCancelGetNextBnode);
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return sdbSetTable(pMnode->pSdb, table);
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}
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void mndCleanupBnode(SMnode *pMnode) {}
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static SBnodeObj *mndAcquireBnode(SMnode *pMnode, int32_t bnodeId) {
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SBnodeObj *pObj = sdbAcquire(pMnode->pSdb, SDB_BNODE, &bnodeId);
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if (pObj == NULL && terrno == TSDB_CODE_SDB_OBJ_NOT_THERE) {
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terrno = TSDB_CODE_MND_BNODE_NOT_EXIST;
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}
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return pObj;
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}
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static void mndReleaseBnode(SMnode *pMnode, SBnodeObj *pObj) {
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SSdb *pSdb = pMnode->pSdb;
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sdbRelease(pSdb, pObj);
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}
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static SSdbRaw *mndBnodeActionEncode(SBnodeObj *pObj) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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SSdbRaw *pRaw = sdbAllocRaw(SDB_BNODE, TSDB_BNODE_VER_NUMBER, sizeof(SBnodeObj) + TSDB_BNODE_RESERVE_SIZE);
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if (pRaw == NULL) goto BNODE_ENCODE_OVER;
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int32_t dataPos = 0;
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SDB_SET_INT32(pRaw, dataPos, pObj->id, BNODE_ENCODE_OVER)
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SDB_SET_INT64(pRaw, dataPos, pObj->createdTime, BNODE_ENCODE_OVER)
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SDB_SET_INT64(pRaw, dataPos, pObj->updateTime, BNODE_ENCODE_OVER)
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SDB_SET_RESERVE(pRaw, dataPos, TSDB_BNODE_RESERVE_SIZE, BNODE_ENCODE_OVER)
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terrno = 0;
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BNODE_ENCODE_OVER:
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if (terrno != 0) {
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mError("bnode:%d, failed to encode to raw:%p since %s", pObj->id, pRaw, terrstr());
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sdbFreeRaw(pRaw);
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return NULL;
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}
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mTrace("bnode:%d, encode to raw:%p, row:%p", pObj->id, pRaw, pObj);
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return pRaw;
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}
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static SSdbRow *mndBnodeActionDecode(SSdbRaw *pRaw) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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int8_t sver = 0;
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if (sdbGetRawSoftVer(pRaw, &sver) != 0) goto BNODE_DECODE_OVER;
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if (sver != TSDB_BNODE_VER_NUMBER) {
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terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
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goto BNODE_DECODE_OVER;
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}
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SSdbRow *pRow = sdbAllocRow(sizeof(SBnodeObj));
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if (pRow == NULL) goto BNODE_DECODE_OVER;
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SBnodeObj *pObj = sdbGetRowObj(pRow);
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if (pObj == NULL) goto BNODE_DECODE_OVER;
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int32_t dataPos = 0;
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SDB_GET_INT32(pRaw, dataPos, &pObj->id, BNODE_DECODE_OVER)
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SDB_GET_INT64(pRaw, dataPos, &pObj->createdTime, BNODE_DECODE_OVER)
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SDB_GET_INT64(pRaw, dataPos, &pObj->updateTime, BNODE_DECODE_OVER)
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SDB_GET_RESERVE(pRaw, dataPos, TSDB_BNODE_RESERVE_SIZE, BNODE_DECODE_OVER)
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terrno = 0;
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BNODE_DECODE_OVER:
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if (terrno != 0) {
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mError("bnode:%d, failed to decode from raw:%p since %s", pObj->id, pRaw, terrstr());
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tfree(pRow);
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return NULL;
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}
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mTrace("bnode:%d, decode from raw:%p, row:%p", pObj->id, pRaw, pObj);
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return pRow;
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}
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static int32_t mndBnodeActionInsert(SSdb *pSdb, SBnodeObj *pObj) {
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mTrace("bnode:%d, perform insert action, row:%p", pObj->id, pObj);
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pObj->pDnode = sdbAcquire(pSdb, SDB_DNODE, &pObj->id);
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if (pObj->pDnode == NULL) {
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terrno = TSDB_CODE_MND_DNODE_NOT_EXIST;
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mError("bnode:%d, failed to perform insert action since %s", pObj->id, terrstr());
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return -1;
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}
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return 0;
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}
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static int32_t mndBnodeActionDelete(SSdb *pSdb, SBnodeObj *pObj) {
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mTrace("bnode:%d, perform delete action, row:%p", pObj->id, pObj);
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if (pObj->pDnode != NULL) {
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sdbRelease(pSdb, pObj->pDnode);
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pObj->pDnode = NULL;
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}
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return 0;
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}
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static int32_t mndBnodeActionUpdate(SSdb *pSdb, SBnodeObj *pOld, SBnodeObj *pNew) {
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mTrace("bnode:%d, perform update action, old row:%p new row:%p", pOld->id, pOld, pNew);
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pOld->updateTime = pNew->updateTime;
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return 0;
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}
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static int32_t mndSetCreateBnodeRedoLogs(STrans *pTrans, SBnodeObj *pObj) {
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SSdbRaw *pRedoRaw = mndBnodeActionEncode(pObj);
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if (pRedoRaw == NULL) return -1;
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if (mndTransAppendRedolog(pTrans, pRedoRaw) != 0) return -1;
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if (sdbSetRawStatus(pRedoRaw, SDB_STATUS_CREATING) != 0) return -1;
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return 0;
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}
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static int32_t mndSetCreateBnodeUndoLogs(STrans *pTrans, SBnodeObj *pObj) {
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SSdbRaw *pUndoRaw = mndBnodeActionEncode(pObj);
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if (pUndoRaw == NULL) return -1;
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if (mndTransAppendUndolog(pTrans, pUndoRaw) != 0) return -1;
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if (sdbSetRawStatus(pUndoRaw, SDB_STATUS_DROPPED) != 0) return -1;
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return 0;
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}
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static int32_t mndSetCreateBnodeCommitLogs(STrans *pTrans, SBnodeObj *pObj) {
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SSdbRaw *pCommitRaw = mndBnodeActionEncode(pObj);
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if (pCommitRaw == NULL) return -1;
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if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) return -1;
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if (sdbSetRawStatus(pCommitRaw, SDB_STATUS_READY) != 0) return -1;
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return 0;
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}
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static int32_t mndSetCreateBnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, SBnodeObj *pObj) {
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SDCreateBnodeReq createReq = {0};
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createReq.dnodeId = pDnode->id;
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int32_t contLen = tSerializeSMCreateDropQSBNodeReq(NULL, 0, &createReq);
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void *pReq = malloc(contLen);
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if (pReq == NULL) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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return -1;
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}
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tSerializeSMCreateDropQSBNodeReq(pReq, contLen, &createReq);
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STransAction action = {0};
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action.epSet = mndGetDnodeEpset(pDnode);
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action.pCont = pReq;
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action.contLen = contLen;
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action.msgType = TDMT_DND_CREATE_BNODE;
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action.acceptableCode = TSDB_CODE_NODE_ALREADY_DEPLOYED;
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if (mndTransAppendRedoAction(pTrans, &action) != 0) {
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free(pReq);
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return -1;
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}
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return 0;
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}
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static int32_t mndSetCreateBnodeUndoActions(STrans *pTrans, SDnodeObj *pDnode, SBnodeObj *pObj) {
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SDDropBnodeReq dropReq = {0};
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dropReq.dnodeId = pDnode->id;
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int32_t contLen = tSerializeSMCreateDropQSBNodeReq(NULL, 0, &dropReq);
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void *pReq = malloc(contLen);
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if (pReq == NULL) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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return -1;
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}
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tSerializeSMCreateDropQSBNodeReq(pReq, contLen, &dropReq);
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STransAction action = {0};
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action.epSet = mndGetDnodeEpset(pDnode);
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action.pCont = pReq;
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action.contLen = contLen;
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action.msgType = TDMT_DND_DROP_BNODE;
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action.acceptableCode = TSDB_CODE_NODE_NOT_DEPLOYED;
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if (mndTransAppendUndoAction(pTrans, &action) != 0) {
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free(pReq);
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return -1;
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}
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return 0;
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}
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static int32_t mndCreateBnode(SMnode *pMnode, SNodeMsg *pReq, SDnodeObj *pDnode, SMCreateBnodeReq *pCreate) {
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int32_t code = -1;
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SBnodeObj bnodeObj = {0};
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bnodeObj.id = pDnode->id;
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bnodeObj.createdTime = taosGetTimestampMs();
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bnodeObj.updateTime = bnodeObj.createdTime;
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STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_ROLLBACK, TRN_TYPE_CREATE_BNODE, &pReq->rpcMsg);
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if (pTrans == NULL) goto CREATE_BNODE_OVER;
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mDebug("trans:%d, used to create bnode:%d", pTrans->id, pCreate->dnodeId);
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if (mndSetCreateBnodeRedoLogs(pTrans, &bnodeObj) != 0) goto CREATE_BNODE_OVER;
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if (mndSetCreateBnodeUndoLogs(pTrans, &bnodeObj) != 0) goto CREATE_BNODE_OVER;
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if (mndSetCreateBnodeCommitLogs(pTrans, &bnodeObj) != 0) goto CREATE_BNODE_OVER;
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if (mndSetCreateBnodeRedoActions(pTrans, pDnode, &bnodeObj) != 0) goto CREATE_BNODE_OVER;
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if (mndSetCreateBnodeUndoActions(pTrans, pDnode, &bnodeObj) != 0) goto CREATE_BNODE_OVER;
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if (mndTransPrepare(pMnode, pTrans) != 0) goto CREATE_BNODE_OVER;
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code = 0;
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CREATE_BNODE_OVER:
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mndTransDrop(pTrans);
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return code;
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}
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static int32_t mndProcessCreateBnodeReq(SNodeMsg *pReq) {
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SMnode *pMnode = pReq->pNode;
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int32_t code = -1;
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SBnodeObj *pObj = NULL;
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SDnodeObj *pDnode = NULL;
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SUserObj *pUser = NULL;
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SMCreateBnodeReq createReq = {0};
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if (tDeserializeSMCreateDropQSBNodeReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &createReq) != 0) {
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terrno = TSDB_CODE_INVALID_MSG;
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goto CREATE_BNODE_OVER;
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}
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mDebug("bnode:%d, start to create", createReq.dnodeId);
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pObj = mndAcquireBnode(pMnode, createReq.dnodeId);
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if (pObj != NULL) {
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terrno = TSDB_CODE_MND_BNODE_ALREADY_EXIST;
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goto CREATE_BNODE_OVER;
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} else if (terrno != TSDB_CODE_MND_BNODE_NOT_EXIST) {
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goto CREATE_BNODE_OVER;
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}
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pDnode = mndAcquireDnode(pMnode, createReq.dnodeId);
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if (pDnode == NULL) {
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terrno = TSDB_CODE_MND_DNODE_NOT_EXIST;
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goto CREATE_BNODE_OVER;
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}
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pUser = mndAcquireUser(pMnode, pReq->user);
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if (pUser == NULL) {
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terrno = TSDB_CODE_MND_NO_USER_FROM_CONN;
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goto CREATE_BNODE_OVER;
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}
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if (mndCheckNodeAuth(pUser)) {
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goto CREATE_BNODE_OVER;
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}
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code = mndCreateBnode(pMnode, pReq, pDnode, &createReq);
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if (code == 0) code = TSDB_CODE_MND_ACTION_IN_PROGRESS;
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CREATE_BNODE_OVER:
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if (code != 0 && code != TSDB_CODE_MND_ACTION_IN_PROGRESS) {
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mError("bnode:%d, failed to create since %s", createReq.dnodeId, terrstr());
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}
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mndReleaseBnode(pMnode, pObj);
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mndReleaseDnode(pMnode, pDnode);
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mndReleaseUser(pMnode, pUser);
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return code;
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}
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static int32_t mndSetDropBnodeRedoLogs(STrans *pTrans, SBnodeObj *pObj) {
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SSdbRaw *pRedoRaw = mndBnodeActionEncode(pObj);
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if (pRedoRaw == NULL) return -1;
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if (mndTransAppendRedolog(pTrans, pRedoRaw) != 0) return -1;
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if (sdbSetRawStatus(pRedoRaw, SDB_STATUS_DROPPING) != 0) return -1;
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return 0;
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}
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static int32_t mndSetDropBnodeCommitLogs(STrans *pTrans, SBnodeObj *pObj) {
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SSdbRaw *pCommitRaw = mndBnodeActionEncode(pObj);
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if (pCommitRaw == NULL) return -1;
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if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) return -1;
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if (sdbSetRawStatus(pCommitRaw, SDB_STATUS_DROPPED) != 0) return -1;
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return 0;
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}
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static int32_t mndSetDropBnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, SBnodeObj *pObj) {
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SDDropBnodeReq dropReq = {0};
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dropReq.dnodeId = pDnode->id;
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int32_t contLen = tSerializeSMCreateDropQSBNodeReq(NULL, 0, &dropReq);
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void *pReq = malloc(contLen);
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if (pReq == NULL) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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return -1;
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}
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tSerializeSMCreateDropQSBNodeReq(pReq, contLen, &dropReq);
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STransAction action = {0};
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action.epSet = mndGetDnodeEpset(pDnode);
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action.pCont = pReq;
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action.contLen = contLen;
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action.msgType = TDMT_DND_DROP_BNODE;
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action.acceptableCode = TSDB_CODE_NODE_NOT_DEPLOYED;
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if (mndTransAppendRedoAction(pTrans, &action) != 0) {
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free(pReq);
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return -1;
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}
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return 0;
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}
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static int32_t mndDropBnode(SMnode *pMnode, SNodeMsg *pReq, SBnodeObj *pObj) {
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int32_t code = -1;
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STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_TYPE_DROP_BNODE, &pReq->rpcMsg);
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if (pTrans == NULL) goto DROP_BNODE_OVER;
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mDebug("trans:%d, used to drop bnode:%d", pTrans->id, pObj->id);
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if (mndSetDropBnodeRedoLogs(pTrans, pObj) != 0) goto DROP_BNODE_OVER;
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if (mndSetDropBnodeCommitLogs(pTrans, pObj) != 0) goto DROP_BNODE_OVER;
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if (mndSetDropBnodeRedoActions(pTrans, pObj->pDnode, pObj) != 0) goto DROP_BNODE_OVER;
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if (mndTransPrepare(pMnode, pTrans) != 0) goto DROP_BNODE_OVER;
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code = 0;
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DROP_BNODE_OVER:
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mndTransDrop(pTrans);
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return code;
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}
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static int32_t mndProcessDropBnodeReq(SNodeMsg *pReq) {
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SMnode *pMnode = pReq->pNode;
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int32_t code = -1;
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SUserObj *pUser = NULL;
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SBnodeObj *pObj = NULL;
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SMDropBnodeReq dropReq = {0};
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if (tDeserializeSMCreateDropQSBNodeReq(pReq->rpcMsg.pCont, pReq->rpcMsg.contLen, &dropReq) != 0) {
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terrno = TSDB_CODE_INVALID_MSG;
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goto DROP_BNODE_OVER;
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}
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mDebug("bnode:%d, start to drop", dropReq.dnodeId);
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if (dropReq.dnodeId <= 0) {
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terrno = TSDB_CODE_SDB_APP_ERROR;
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goto DROP_BNODE_OVER;
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}
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pObj = mndAcquireBnode(pMnode, dropReq.dnodeId);
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if (pObj == NULL) {
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goto DROP_BNODE_OVER;
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}
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pUser = mndAcquireUser(pMnode, pReq->user);
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if (pUser == NULL) {
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terrno = TSDB_CODE_MND_NO_USER_FROM_CONN;
|
|
goto DROP_BNODE_OVER;
|
|
}
|
|
|
|
if (mndCheckNodeAuth(pUser)) {
|
|
goto DROP_BNODE_OVER;
|
|
}
|
|
|
|
code = mndDropBnode(pMnode, pReq, pObj);
|
|
if (code == 0) code = TSDB_CODE_MND_ACTION_IN_PROGRESS;
|
|
|
|
DROP_BNODE_OVER:
|
|
if (code != 0 && code != TSDB_CODE_MND_ACTION_IN_PROGRESS) {
|
|
mError("bnode:%d, failed to drop since %s", dropReq.dnodeId, terrstr());
|
|
}
|
|
|
|
mndReleaseBnode(pMnode, pObj);
|
|
mndReleaseUser(pMnode, pUser);
|
|
|
|
return code;
|
|
}
|
|
|
|
static int32_t mndProcessCreateBnodeRsp(SNodeMsg *pRsp) {
|
|
mndTransProcessRsp(pRsp);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndProcessDropBnodeRsp(SNodeMsg *pRsp) {
|
|
mndTransProcessRsp(pRsp);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndGetBnodeMeta(SNodeMsg *pReq, SShowObj *pShow, STableMetaRsp *pMeta) {
|
|
SMnode *pMnode = pReq->pNode;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
|
|
int32_t cols = 0;
|
|
SSchema *pSchema = pMeta->pSchemas;
|
|
|
|
pShow->bytes[cols] = 2;
|
|
pSchema[cols].type = TSDB_DATA_TYPE_SMALLINT;
|
|
strcpy(pSchema[cols].name, "id");
|
|
pSchema[cols].bytes = pShow->bytes[cols];
|
|
cols++;
|
|
|
|
pShow->bytes[cols] = TSDB_EP_LEN + VARSTR_HEADER_SIZE;
|
|
pSchema[cols].type = TSDB_DATA_TYPE_BINARY;
|
|
strcpy(pSchema[cols].name, "endpoint");
|
|
pSchema[cols].bytes = pShow->bytes[cols];
|
|
cols++;
|
|
|
|
pShow->bytes[cols] = 8;
|
|
pSchema[cols].type = TSDB_DATA_TYPE_TIMESTAMP;
|
|
strcpy(pSchema[cols].name, "create_time");
|
|
pSchema[cols].bytes = pShow->bytes[cols];
|
|
cols++;
|
|
|
|
pMeta->numOfColumns = cols;
|
|
pShow->numOfColumns = cols;
|
|
|
|
pShow->offset[0] = 0;
|
|
for (int32_t i = 1; i < cols; ++i) {
|
|
pShow->offset[i] = pShow->offset[i - 1] + pShow->bytes[i - 1];
|
|
}
|
|
|
|
pShow->numOfRows = sdbGetSize(pSdb, SDB_BNODE);
|
|
pShow->rowSize = pShow->offset[cols - 1] + pShow->bytes[cols - 1];
|
|
strcpy(pMeta->tbName, mndShowStr(pShow->type));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndRetrieveBnodes(SNodeMsg *pReq, SShowObj *pShow, char *data, int32_t rows) {
|
|
SMnode *pMnode = pReq->pNode;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
int32_t numOfRows = 0;
|
|
int32_t cols = 0;
|
|
SBnodeObj *pObj = NULL;
|
|
char *pWrite;
|
|
|
|
while (numOfRows < rows) {
|
|
pShow->pIter = sdbFetch(pSdb, SDB_BNODE, pShow->pIter, (void **)&pObj);
|
|
if (pShow->pIter == NULL) break;
|
|
|
|
cols = 0;
|
|
|
|
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
|
|
*(int16_t *)pWrite = pObj->id;
|
|
cols++;
|
|
|
|
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
|
|
STR_WITH_MAXSIZE_TO_VARSTR(pWrite, pObj->pDnode->ep, pShow->bytes[cols]);
|
|
|
|
cols++;
|
|
|
|
pWrite = data + pShow->offset[cols] * rows + pShow->bytes[cols] * numOfRows;
|
|
*(int64_t *)pWrite = pObj->createdTime;
|
|
cols++;
|
|
|
|
numOfRows++;
|
|
sdbRelease(pSdb, pObj);
|
|
}
|
|
|
|
mndVacuumResult(data, pShow->numOfColumns, numOfRows, rows, pShow);
|
|
pShow->numOfReads += numOfRows;
|
|
|
|
return numOfRows;
|
|
}
|
|
|
|
static void mndCancelGetNextBnode(SMnode *pMnode, void *pIter) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
sdbCancelFetch(pSdb, pIter);
|
|
}
|