1466 lines
48 KiB
C
1466 lines
48 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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#include "mndAuth.h"
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#include "mndConsumer.h"
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#include "mndDb.h"
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#include "mndShow.h"
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#include "mndSync.h"
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#include "mndUser.h"
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#define TRANS_VER_NUMBER 1
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#define TRANS_ARRAY_SIZE 8
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#define TRANS_RESERVE_SIZE 64
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static SSdbRaw *mndTransActionEncode(STrans *pTrans);
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static SSdbRow *mndTransActionDecode(SSdbRaw *pRaw);
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static int32_t mndTransActionInsert(SSdb *pSdb, STrans *pTrans);
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static int32_t mndTransActionUpdate(SSdb *pSdb, STrans *OldTrans, STrans *pOld);
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static int32_t mndTransActionDelete(SSdb *pSdb, STrans *pTrans, bool callFunc);
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static int32_t mndTransAppendLog(SArray *pArray, SSdbRaw *pRaw);
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static int32_t mndTransAppendAction(SArray *pArray, STransAction *pAction);
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static void mndTransDropLogs(SArray *pArray);
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static void mndTransDropActions(SArray *pArray);
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static void mndTransDropData(STrans *pTrans);
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static int32_t mndTransExecuteLogs(SMnode *pMnode, SArray *pArray);
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static int32_t mndTransExecuteActions(SMnode *pMnode, STrans *pTrans, SArray *pArray);
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static int32_t mndTransExecuteRedoLogs(SMnode *pMnode, STrans *pTrans);
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static int32_t mndTransExecuteUndoLogs(SMnode *pMnode, STrans *pTrans);
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static int32_t mndTransExecuteRedoActions(SMnode *pMnode, STrans *pTrans);
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static int32_t mndTransExecuteUndoActions(SMnode *pMnode, STrans *pTrans);
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static int32_t mndTransExecuteCommitLogs(SMnode *pMnode, STrans *pTrans);
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static bool mndTransPerformPrepareStage(SMnode *pMnode, STrans *pTrans);
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static bool mndTransPerformRedoLogStage(SMnode *pMnode, STrans *pTrans);
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static bool mndTransPerformRedoActionStage(SMnode *pMnode, STrans *pTrans);
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static bool mndTransPerformUndoLogStage(SMnode *pMnode, STrans *pTrans);
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static bool mndTransPerformUndoActionStage(SMnode *pMnode, STrans *pTrans);
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static bool mndTransPerformCommitLogStage(SMnode *pMnode, STrans *pTrans);
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static bool mndTransPerformCommitStage(SMnode *pMnode, STrans *pTrans);
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static bool mndTransPerformRollbackStage(SMnode *pMnode, STrans *pTrans);
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static bool mndTransPerfromFinishedStage(SMnode *pMnode, STrans *pTrans);
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static void mndTransExecute(SMnode *pMnode, STrans *pTrans);
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static void mndTransSendRpcRsp(SMnode *pMnode, STrans *pTrans);
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static int32_t mndProcessTransReq(SRpcMsg *pReq);
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static int32_t mndProcessKillTransReq(SRpcMsg *pReq);
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static int32_t mndRetrieveTrans(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows);
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static void mndCancelGetNextTrans(SMnode *pMnode, void *pIter);
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int32_t mndInitTrans(SMnode *pMnode) {
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SSdbTable table = {
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.sdbType = SDB_TRANS,
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.keyType = SDB_KEY_INT32,
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.encodeFp = (SdbEncodeFp)mndTransActionEncode,
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.decodeFp = (SdbDecodeFp)mndTransActionDecode,
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.insertFp = (SdbInsertFp)mndTransActionInsert,
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.updateFp = (SdbUpdateFp)mndTransActionUpdate,
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.deleteFp = (SdbDeleteFp)mndTransActionDelete,
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};
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mndSetMsgHandle(pMnode, TDMT_MND_TRANS_TIMER, mndProcessTransReq);
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mndSetMsgHandle(pMnode, TDMT_MND_KILL_TRANS, mndProcessKillTransReq);
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mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_TRANS, mndRetrieveTrans);
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mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_TRANS, mndCancelGetNextTrans);
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return sdbSetTable(pMnode->pSdb, table);
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}
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void mndCleanupTrans(SMnode *pMnode) {}
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static SSdbRaw *mndTransActionEncode(STrans *pTrans) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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int32_t rawDataLen = sizeof(STrans) + TRANS_RESERVE_SIZE;
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int32_t redoLogNum = taosArrayGetSize(pTrans->redoLogs);
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int32_t undoLogNum = taosArrayGetSize(pTrans->undoLogs);
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int32_t commitLogNum = taosArrayGetSize(pTrans->commitLogs);
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int32_t redoActionNum = taosArrayGetSize(pTrans->redoActions);
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int32_t undoActionNum = taosArrayGetSize(pTrans->undoActions);
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for (int32_t i = 0; i < redoLogNum; ++i) {
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SSdbRaw *pTmp = taosArrayGetP(pTrans->redoLogs, i);
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rawDataLen += (sdbGetRawTotalSize(pTmp) + sizeof(int32_t));
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}
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for (int32_t i = 0; i < undoLogNum; ++i) {
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SSdbRaw *pTmp = taosArrayGetP(pTrans->undoLogs, i);
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rawDataLen += (sdbGetRawTotalSize(pTmp) + sizeof(int32_t));
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}
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for (int32_t i = 0; i < commitLogNum; ++i) {
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SSdbRaw *pTmp = taosArrayGetP(pTrans->commitLogs, i);
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rawDataLen += (sdbGetRawTotalSize(pTmp) + sizeof(int32_t));
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}
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for (int32_t i = 0; i < redoActionNum; ++i) {
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STransAction *pAction = taosArrayGet(pTrans->redoActions, i);
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rawDataLen += (sizeof(STransAction) + pAction->contLen);
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}
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for (int32_t i = 0; i < undoActionNum; ++i) {
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STransAction *pAction = taosArrayGet(pTrans->undoActions, i);
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rawDataLen += (sizeof(STransAction) + pAction->contLen);
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}
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SSdbRaw *pRaw = sdbAllocRaw(SDB_TRANS, TRANS_VER_NUMBER, rawDataLen);
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if (pRaw == NULL) {
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mError("trans:%d, failed to alloc raw since %s", pTrans->id, terrstr());
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return NULL;
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}
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int32_t dataPos = 0;
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SDB_SET_INT32(pRaw, dataPos, pTrans->id, _OVER)
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ETrnStage stage = pTrans->stage;
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if (stage == TRN_STAGE_REDO_LOG || stage == TRN_STAGE_REDO_ACTION) {
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stage = TRN_STAGE_PREPARE;
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} else if (stage == TRN_STAGE_UNDO_ACTION || stage == TRN_STAGE_UNDO_LOG) {
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stage = TRN_STAGE_ROLLBACK;
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} else if (stage == TRN_STAGE_COMMIT_LOG || stage == TRN_STAGE_FINISHED) {
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stage = TRN_STAGE_COMMIT;
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} else {
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}
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SDB_SET_INT16(pRaw, dataPos, stage, _OVER)
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SDB_SET_INT16(pRaw, dataPos, pTrans->policy, _OVER)
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SDB_SET_INT16(pRaw, dataPos, pTrans->type, _OVER)
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SDB_SET_INT16(pRaw, dataPos, pTrans->parallel, _OVER)
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SDB_SET_INT64(pRaw, dataPos, pTrans->createdTime, _OVER)
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SDB_SET_INT64(pRaw, dataPos, pTrans->dbUid, _OVER)
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SDB_SET_BINARY(pRaw, dataPos, pTrans->dbname, TSDB_DB_FNAME_LEN, _OVER)
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SDB_SET_INT32(pRaw, dataPos, redoLogNum, _OVER)
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SDB_SET_INT32(pRaw, dataPos, undoLogNum, _OVER)
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SDB_SET_INT32(pRaw, dataPos, commitLogNum, _OVER)
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SDB_SET_INT32(pRaw, dataPos, redoActionNum, _OVER)
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SDB_SET_INT32(pRaw, dataPos, undoActionNum, _OVER)
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for (int32_t i = 0; i < redoLogNum; ++i) {
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SSdbRaw *pTmp = taosArrayGetP(pTrans->redoLogs, i);
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int32_t len = sdbGetRawTotalSize(pTmp);
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SDB_SET_INT32(pRaw, dataPos, len, _OVER)
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SDB_SET_BINARY(pRaw, dataPos, (void *)pTmp, len, _OVER)
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}
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for (int32_t i = 0; i < undoLogNum; ++i) {
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SSdbRaw *pTmp = taosArrayGetP(pTrans->undoLogs, i);
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int32_t len = sdbGetRawTotalSize(pTmp);
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SDB_SET_INT32(pRaw, dataPos, len, _OVER)
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SDB_SET_BINARY(pRaw, dataPos, (void *)pTmp, len, _OVER)
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}
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for (int32_t i = 0; i < commitLogNum; ++i) {
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SSdbRaw *pTmp = taosArrayGetP(pTrans->commitLogs, i);
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int32_t len = sdbGetRawTotalSize(pTmp);
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SDB_SET_INT32(pRaw, dataPos, len, _OVER)
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SDB_SET_BINARY(pRaw, dataPos, (void *)pTmp, len, _OVER)
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}
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for (int32_t i = 0; i < redoActionNum; ++i) {
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STransAction *pAction = taosArrayGet(pTrans->redoActions, i);
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SDB_SET_BINARY(pRaw, dataPos, (void *)&pAction->epSet, sizeof(SEpSet), _OVER)
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SDB_SET_INT16(pRaw, dataPos, pAction->msgType, _OVER)
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SDB_SET_INT32(pRaw, dataPos, pAction->acceptableCode, _OVER)
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SDB_SET_INT32(pRaw, dataPos, pAction->contLen, _OVER)
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SDB_SET_BINARY(pRaw, dataPos, pAction->pCont, pAction->contLen, _OVER)
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}
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for (int32_t i = 0; i < undoActionNum; ++i) {
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STransAction *pAction = taosArrayGet(pTrans->undoActions, i);
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SDB_SET_BINARY(pRaw, dataPos, (void *)&pAction->epSet, sizeof(SEpSet), _OVER)
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SDB_SET_INT16(pRaw, dataPos, pAction->msgType, _OVER)
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SDB_SET_INT32(pRaw, dataPos, pAction->acceptableCode, _OVER)
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SDB_SET_INT32(pRaw, dataPos, pAction->contLen, _OVER)
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SDB_SET_BINARY(pRaw, dataPos, (void *)pAction->pCont, pAction->contLen, _OVER)
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}
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SDB_SET_INT32(pRaw, dataPos, pTrans->startFunc, _OVER)
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SDB_SET_INT32(pRaw, dataPos, pTrans->stopFunc, _OVER)
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SDB_SET_INT32(pRaw, dataPos, pTrans->paramLen, _OVER)
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if (pTrans->param != NULL) {
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SDB_SET_BINARY(pRaw, dataPos, pTrans->param, pTrans->paramLen, _OVER)
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}
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SDB_SET_RESERVE(pRaw, dataPos, TRANS_RESERVE_SIZE, _OVER)
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SDB_SET_DATALEN(pRaw, dataPos, _OVER)
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terrno = 0;
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_OVER:
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if (terrno != 0) {
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mError("trans:%d, failed to encode to raw:%p len:%d since %s", pTrans->id, pRaw, dataPos, terrstr());
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sdbFreeRaw(pRaw);
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return NULL;
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}
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mTrace("trans:%d, encode to raw:%p, row:%p len:%d", pTrans->id, pRaw, pTrans, dataPos);
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return pRaw;
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}
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static SSdbRow *mndTransActionDecode(SSdbRaw *pRaw) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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SSdbRow *pRow = NULL;
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STrans *pTrans = NULL;
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char *pData = NULL;
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int32_t dataLen = 0;
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int8_t sver = 0;
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int32_t redoLogNum = 0;
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int32_t undoLogNum = 0;
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int32_t commitLogNum = 0;
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int32_t redoActionNum = 0;
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int32_t undoActionNum = 0;
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int32_t dataPos = 0;
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STransAction action = {0};
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if (sdbGetRawSoftVer(pRaw, &sver) != 0) goto _OVER;
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if (sver != TRANS_VER_NUMBER) {
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terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
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goto _OVER;
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}
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pRow = sdbAllocRow(sizeof(STrans));
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if (pRow == NULL) goto _OVER;
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pTrans = sdbGetRowObj(pRow);
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if (pTrans == NULL) goto _OVER;
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SDB_GET_INT32(pRaw, dataPos, &pTrans->id, _OVER)
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int16_t stage = 0;
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int16_t policy = 0;
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int16_t type = 0;
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int16_t parallel = 0;
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SDB_GET_INT16(pRaw, dataPos, &stage, _OVER)
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SDB_GET_INT16(pRaw, dataPos, &policy, _OVER)
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SDB_GET_INT16(pRaw, dataPos, &type, _OVER)
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SDB_GET_INT16(pRaw, dataPos, ¶llel, _OVER)
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pTrans->stage = stage;
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pTrans->policy = policy;
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pTrans->type = type;
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pTrans->parallel = parallel;
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SDB_GET_INT64(pRaw, dataPos, &pTrans->createdTime, _OVER)
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SDB_GET_INT64(pRaw, dataPos, &pTrans->dbUid, _OVER)
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SDB_GET_BINARY(pRaw, dataPos, pTrans->dbname, TSDB_DB_FNAME_LEN, _OVER)
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SDB_GET_INT32(pRaw, dataPos, &redoLogNum, _OVER)
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SDB_GET_INT32(pRaw, dataPos, &undoLogNum, _OVER)
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SDB_GET_INT32(pRaw, dataPos, &commitLogNum, _OVER)
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SDB_GET_INT32(pRaw, dataPos, &redoActionNum, _OVER)
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SDB_GET_INT32(pRaw, dataPos, &undoActionNum, _OVER)
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pTrans->redoLogs = taosArrayInit(redoLogNum, sizeof(void *));
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pTrans->undoLogs = taosArrayInit(undoLogNum, sizeof(void *));
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pTrans->commitLogs = taosArrayInit(commitLogNum, sizeof(void *));
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pTrans->redoActions = taosArrayInit(redoActionNum, sizeof(STransAction));
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pTrans->undoActions = taosArrayInit(undoActionNum, sizeof(STransAction));
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if (pTrans->redoLogs == NULL) goto _OVER;
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if (pTrans->undoLogs == NULL) goto _OVER;
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if (pTrans->commitLogs == NULL) goto _OVER;
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if (pTrans->redoActions == NULL) goto _OVER;
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if (pTrans->undoActions == NULL) goto _OVER;
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for (int32_t i = 0; i < redoLogNum; ++i) {
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SDB_GET_INT32(pRaw, dataPos, &dataLen, _OVER)
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pData = taosMemoryMalloc(dataLen);
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if (pData == NULL) goto _OVER;
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mTrace("raw:%p, is created", pData);
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SDB_GET_BINARY(pRaw, dataPos, pData, dataLen, _OVER);
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if (taosArrayPush(pTrans->redoLogs, &pData) == NULL) goto _OVER;
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pData = NULL;
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}
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for (int32_t i = 0; i < undoLogNum; ++i) {
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SDB_GET_INT32(pRaw, dataPos, &dataLen, _OVER)
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pData = taosMemoryMalloc(dataLen);
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if (pData == NULL) goto _OVER;
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mTrace("raw:%p, is created", pData);
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SDB_GET_BINARY(pRaw, dataPos, pData, dataLen, _OVER);
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if (taosArrayPush(pTrans->undoLogs, &pData) == NULL) goto _OVER;
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pData = NULL;
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}
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for (int32_t i = 0; i < commitLogNum; ++i) {
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SDB_GET_INT32(pRaw, dataPos, &dataLen, _OVER)
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pData = taosMemoryMalloc(dataLen);
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if (pData == NULL) goto _OVER;
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mTrace("raw:%p, is created", pData);
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SDB_GET_BINARY(pRaw, dataPos, pData, dataLen, _OVER);
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if (taosArrayPush(pTrans->commitLogs, &pData) == NULL) goto _OVER;
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pData = NULL;
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}
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for (int32_t i = 0; i < redoActionNum; ++i) {
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SDB_GET_BINARY(pRaw, dataPos, (void *)&action.epSet, sizeof(SEpSet), _OVER);
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SDB_GET_INT16(pRaw, dataPos, &action.msgType, _OVER)
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SDB_GET_INT32(pRaw, dataPos, &action.acceptableCode, _OVER)
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SDB_GET_INT32(pRaw, dataPos, &action.contLen, _OVER)
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action.pCont = taosMemoryMalloc(action.contLen);
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if (action.pCont == NULL) goto _OVER;
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SDB_GET_BINARY(pRaw, dataPos, action.pCont, action.contLen, _OVER);
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if (taosArrayPush(pTrans->redoActions, &action) == NULL) goto _OVER;
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action.pCont = NULL;
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}
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for (int32_t i = 0; i < undoActionNum; ++i) {
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SDB_GET_BINARY(pRaw, dataPos, (void *)&action.epSet, sizeof(SEpSet), _OVER);
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SDB_GET_INT16(pRaw, dataPos, &action.msgType, _OVER)
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SDB_GET_INT32(pRaw, dataPos, &action.acceptableCode, _OVER)
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SDB_GET_INT32(pRaw, dataPos, &action.contLen, _OVER)
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action.pCont = taosMemoryMalloc(action.contLen);
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if (action.pCont == NULL) goto _OVER;
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SDB_GET_BINARY(pRaw, dataPos, action.pCont, action.contLen, _OVER);
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if (taosArrayPush(pTrans->undoActions, &action) == NULL) goto _OVER;
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action.pCont = NULL;
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}
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SDB_GET_INT32(pRaw, dataPos, &pTrans->startFunc, _OVER)
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SDB_GET_INT32(pRaw, dataPos, &pTrans->stopFunc, _OVER)
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SDB_GET_INT32(pRaw, dataPos, &pTrans->paramLen, _OVER)
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if (pTrans->paramLen != 0) {
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pTrans->param = taosMemoryMalloc(pTrans->paramLen);
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SDB_GET_BINARY(pRaw, dataPos, pTrans->param, pTrans->paramLen, _OVER);
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}
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SDB_GET_RESERVE(pRaw, dataPos, TRANS_RESERVE_SIZE, _OVER)
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terrno = 0;
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_OVER:
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if (terrno != 0) {
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mError("trans:%d, failed to parse from raw:%p since %s", pTrans->id, pRaw, terrstr());
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mndTransDropData(pTrans);
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taosMemoryFreeClear(pRow);
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taosMemoryFreeClear(pData);
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taosMemoryFreeClear(action.pCont);
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return NULL;
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}
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mTrace("trans:%d, decode from raw:%p, row:%p", pTrans->id, pRaw, pTrans);
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return pRow;
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}
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static const char *mndTransStr(ETrnStage stage) {
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switch (stage) {
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case TRN_STAGE_PREPARE:
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return "prepare";
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case TRN_STAGE_REDO_LOG:
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return "redoLog";
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case TRN_STAGE_REDO_ACTION:
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return "redoAction";
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case TRN_STAGE_COMMIT:
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return "commit";
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case TRN_STAGE_COMMIT_LOG:
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return "commitLog";
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case TRN_STAGE_UNDO_ACTION:
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return "undoAction";
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case TRN_STAGE_UNDO_LOG:
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return "undoLog";
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case TRN_STAGE_ROLLBACK:
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return "rollback";
|
|
case TRN_STAGE_FINISHED:
|
|
return "finished";
|
|
default:
|
|
return "invalid";
|
|
}
|
|
}
|
|
|
|
static const char *mndTransType(ETrnType type) {
|
|
switch (type) {
|
|
case TRN_TYPE_CREATE_USER:
|
|
return "create-user";
|
|
case TRN_TYPE_ALTER_USER:
|
|
return "alter-user";
|
|
case TRN_TYPE_DROP_USER:
|
|
return "drop-user";
|
|
case TRN_TYPE_CREATE_FUNC:
|
|
return "create-func";
|
|
case TRN_TYPE_DROP_FUNC:
|
|
return "drop-func";
|
|
case TRN_TYPE_CREATE_SNODE:
|
|
return "create-snode";
|
|
case TRN_TYPE_DROP_SNODE:
|
|
return "drop-snode";
|
|
case TRN_TYPE_CREATE_QNODE:
|
|
return "create-qnode";
|
|
case TRN_TYPE_DROP_QNODE:
|
|
return "drop-qnode";
|
|
case TRN_TYPE_CREATE_BNODE:
|
|
return "create-bnode";
|
|
case TRN_TYPE_DROP_BNODE:
|
|
return "drop-bnode";
|
|
case TRN_TYPE_CREATE_MNODE:
|
|
return "create-mnode";
|
|
case TRN_TYPE_DROP_MNODE:
|
|
return "drop-mnode";
|
|
case TRN_TYPE_CREATE_TOPIC:
|
|
return "create-topic";
|
|
case TRN_TYPE_DROP_TOPIC:
|
|
return "drop-topic";
|
|
case TRN_TYPE_SUBSCRIBE:
|
|
return "subscribe";
|
|
case TRN_TYPE_REBALANCE:
|
|
return "rebalance";
|
|
case TRN_TYPE_COMMIT_OFFSET:
|
|
return "commit-offset";
|
|
case TRN_TYPE_CREATE_STREAM:
|
|
return "create-stream";
|
|
case TRN_TYPE_DROP_STREAM:
|
|
return "drop-stream";
|
|
case TRN_TYPE_CONSUMER_LOST:
|
|
return "consumer-lost";
|
|
case TRN_TYPE_CONSUMER_RECOVER:
|
|
return "consumer-recover";
|
|
case TRN_TYPE_CREATE_DNODE:
|
|
return "create-qnode";
|
|
case TRN_TYPE_DROP_DNODE:
|
|
return "drop-qnode";
|
|
case TRN_TYPE_CREATE_DB:
|
|
return "create-db";
|
|
case TRN_TYPE_ALTER_DB:
|
|
return "alter-db";
|
|
case TRN_TYPE_DROP_DB:
|
|
return "drop-db";
|
|
case TRN_TYPE_SPLIT_VGROUP:
|
|
return "split-vgroup";
|
|
case TRN_TYPE_MERGE_VGROUP:
|
|
return "merge-vgroup";
|
|
case TRN_TYPE_CREATE_STB:
|
|
return "create-stb";
|
|
case TRN_TYPE_ALTER_STB:
|
|
return "alter-stb";
|
|
case TRN_TYPE_DROP_STB:
|
|
return "drop-stb";
|
|
case TRN_TYPE_CREATE_SMA:
|
|
return "create-sma";
|
|
case TRN_TYPE_DROP_SMA:
|
|
return "drop-sma";
|
|
default:
|
|
return "invalid";
|
|
}
|
|
}
|
|
|
|
static void mndTransTestStartFunc(SMnode *pMnode, void *param, int32_t paramLen) {
|
|
mInfo("test trans start, param:%s, len:%d", (char *)param, paramLen);
|
|
}
|
|
|
|
static void mndTransTestStopFunc(SMnode *pMnode, void *param, int32_t paramLen) {
|
|
mInfo("test trans stop, param:%s, len:%d", (char *)param, paramLen);
|
|
}
|
|
|
|
static TransCbFp mndTransGetCbFp(ETrnFunc ftype) {
|
|
switch (ftype) {
|
|
case TRANS_START_FUNC_TEST:
|
|
return mndTransTestStartFunc;
|
|
case TRANS_STOP_FUNC_TEST:
|
|
return mndTransTestStopFunc;
|
|
case TRANS_START_FUNC_MQ_REB:
|
|
return mndRebCntInc;
|
|
case TRANS_STOP_FUNC_TEST_MQ_REB:
|
|
return mndRebCntDec;
|
|
default:
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static int32_t mndTransActionInsert(SSdb *pSdb, STrans *pTrans) {
|
|
mTrace("trans:%d, perform insert action, row:%p stage:%s", pTrans->id, pTrans, mndTransStr(pTrans->stage));
|
|
|
|
if (pTrans->startFunc > 0) {
|
|
TransCbFp fp = mndTransGetCbFp(pTrans->startFunc);
|
|
if (fp) {
|
|
(*fp)(pSdb->pMnode, pTrans->param, pTrans->paramLen);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void mndTransDropData(STrans *pTrans) {
|
|
mndTransDropLogs(pTrans->redoLogs);
|
|
mndTransDropLogs(pTrans->undoLogs);
|
|
mndTransDropLogs(pTrans->commitLogs);
|
|
mndTransDropActions(pTrans->redoActions);
|
|
mndTransDropActions(pTrans->undoActions);
|
|
if (pTrans->rpcRsp != NULL) {
|
|
taosMemoryFree(pTrans->rpcRsp);
|
|
pTrans->rpcRsp = NULL;
|
|
pTrans->rpcRspLen = 0;
|
|
}
|
|
if (pTrans->param != NULL) {
|
|
taosMemoryFree(pTrans->param);
|
|
pTrans->param = NULL;
|
|
pTrans->paramLen = 0;
|
|
}
|
|
}
|
|
|
|
static int32_t mndTransActionDelete(SSdb *pSdb, STrans *pTrans, bool callFunc) {
|
|
mDebug("trans:%d, perform delete action, row:%p stage:%s callfunc:%d", pTrans->id, pTrans, mndTransStr(pTrans->stage),
|
|
callFunc);
|
|
if (pTrans->stopFunc > 0 && callFunc) {
|
|
TransCbFp fp = mndTransGetCbFp(pTrans->stopFunc);
|
|
if (fp) {
|
|
(*fp)(pSdb->pMnode, pTrans->param, pTrans->paramLen);
|
|
}
|
|
}
|
|
|
|
mndTransDropData(pTrans);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndTransActionUpdate(SSdb *pSdb, STrans *pOld, STrans *pNew) {
|
|
if (pNew->stage == TRN_STAGE_COMMIT) {
|
|
pNew->stage = TRN_STAGE_COMMIT_LOG;
|
|
mTrace("trans:%d, stage from %s to %s", pNew->id, mndTransStr(TRN_STAGE_COMMIT), mndTransStr(TRN_STAGE_COMMIT_LOG));
|
|
}
|
|
|
|
if (pNew->stage == TRN_STAGE_ROLLBACK) {
|
|
pNew->stage = TRN_STAGE_FINISHED;
|
|
mTrace("trans:%d, stage from %s to %s", pNew->id, mndTransStr(TRN_STAGE_ROLLBACK), mndTransStr(TRN_STAGE_FINISHED));
|
|
}
|
|
|
|
mTrace("trans:%d, perform update action, old row:%p stage:%s, new row:%p stage:%s", pOld->id, pOld,
|
|
mndTransStr(pOld->stage), pNew, mndTransStr(pNew->stage));
|
|
pOld->stage = pNew->stage;
|
|
return 0;
|
|
}
|
|
|
|
STrans *mndAcquireTrans(SMnode *pMnode, int32_t transId) {
|
|
STrans *pTrans = sdbAcquire(pMnode->pSdb, SDB_TRANS, &transId);
|
|
if (pTrans == NULL) {
|
|
terrno = TSDB_CODE_MND_TRANS_NOT_EXIST;
|
|
}
|
|
return pTrans;
|
|
}
|
|
|
|
void mndReleaseTrans(SMnode *pMnode, STrans *pTrans) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
sdbRelease(pSdb, pTrans);
|
|
}
|
|
|
|
STrans *mndTransCreate(SMnode *pMnode, ETrnPolicy policy, ETrnType type, const SRpcMsg *pReq) {
|
|
STrans *pTrans = taosMemoryCalloc(1, sizeof(STrans));
|
|
if (pTrans == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
mError("failed to create transaction since %s", terrstr());
|
|
return NULL;
|
|
}
|
|
|
|
pTrans->id = sdbGetMaxId(pMnode->pSdb, SDB_TRANS);
|
|
pTrans->stage = TRN_STAGE_PREPARE;
|
|
pTrans->policy = policy;
|
|
pTrans->type = type;
|
|
pTrans->createdTime = taosGetTimestampMs();
|
|
if (pReq != NULL) pTrans->rpcInfo = pReq->info;
|
|
pTrans->redoLogs = taosArrayInit(TRANS_ARRAY_SIZE, sizeof(void *));
|
|
pTrans->undoLogs = taosArrayInit(TRANS_ARRAY_SIZE, sizeof(void *));
|
|
pTrans->commitLogs = taosArrayInit(TRANS_ARRAY_SIZE, sizeof(void *));
|
|
pTrans->redoActions = taosArrayInit(TRANS_ARRAY_SIZE, sizeof(STransAction));
|
|
pTrans->undoActions = taosArrayInit(TRANS_ARRAY_SIZE, sizeof(STransAction));
|
|
|
|
if (pTrans->redoLogs == NULL || pTrans->undoLogs == NULL || pTrans->commitLogs == NULL ||
|
|
pTrans->redoActions == NULL || pTrans->undoActions == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
mError("failed to create transaction since %s", terrstr());
|
|
return NULL;
|
|
}
|
|
|
|
mDebug("trans:%d, local object is created, data:%p", pTrans->id, pTrans);
|
|
return pTrans;
|
|
}
|
|
|
|
static void mndTransDropLogs(SArray *pArray) {
|
|
int32_t size = taosArrayGetSize(pArray);
|
|
for (int32_t i = 0; i < size; ++i) {
|
|
SSdbRaw *pRaw = taosArrayGetP(pArray, i);
|
|
sdbFreeRaw(pRaw);
|
|
}
|
|
|
|
taosArrayDestroy(pArray);
|
|
}
|
|
|
|
static void mndTransDropActions(SArray *pArray) {
|
|
int32_t size = taosArrayGetSize(pArray);
|
|
for (int32_t i = 0; i < size; ++i) {
|
|
STransAction *pAction = taosArrayGet(pArray, i);
|
|
taosMemoryFreeClear(pAction->pCont);
|
|
}
|
|
|
|
taosArrayDestroy(pArray);
|
|
}
|
|
|
|
void mndTransDrop(STrans *pTrans) {
|
|
if (pTrans != NULL) {
|
|
mndTransDropData(pTrans);
|
|
mDebug("trans:%d, local object is freed, data:%p", pTrans->id, pTrans);
|
|
taosMemoryFreeClear(pTrans);
|
|
}
|
|
}
|
|
|
|
static int32_t mndTransAppendLog(SArray *pArray, SSdbRaw *pRaw) {
|
|
if (pArray == NULL || pRaw == NULL) {
|
|
terrno = TSDB_CODE_INVALID_PARA;
|
|
return -1;
|
|
}
|
|
|
|
void *ptr = taosArrayPush(pArray, &pRaw);
|
|
if (ptr == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t mndTransAppendRedolog(STrans *pTrans, SSdbRaw *pRaw) { return mndTransAppendLog(pTrans->redoLogs, pRaw); }
|
|
|
|
int32_t mndTransAppendUndolog(STrans *pTrans, SSdbRaw *pRaw) { return mndTransAppendLog(pTrans->undoLogs, pRaw); }
|
|
|
|
int32_t mndTransAppendCommitlog(STrans *pTrans, SSdbRaw *pRaw) { return mndTransAppendLog(pTrans->commitLogs, pRaw); }
|
|
|
|
static int32_t mndTransAppendAction(SArray *pArray, STransAction *pAction) {
|
|
void *ptr = taosArrayPush(pArray, pAction);
|
|
if (ptr == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t mndTransAppendRedoAction(STrans *pTrans, STransAction *pAction) {
|
|
return mndTransAppendAction(pTrans->redoActions, pAction);
|
|
}
|
|
|
|
int32_t mndTransAppendUndoAction(STrans *pTrans, STransAction *pAction) {
|
|
return mndTransAppendAction(pTrans->undoActions, pAction);
|
|
}
|
|
|
|
void mndTransSetRpcRsp(STrans *pTrans, void *pCont, int32_t contLen) {
|
|
pTrans->rpcRsp = pCont;
|
|
pTrans->rpcRspLen = contLen;
|
|
}
|
|
|
|
void mndTransSetCb(STrans *pTrans, ETrnFunc startFunc, ETrnFunc stopFunc, void *param, int32_t paramLen) {
|
|
pTrans->startFunc = startFunc;
|
|
pTrans->stopFunc = stopFunc;
|
|
pTrans->param = param;
|
|
pTrans->paramLen = paramLen;
|
|
}
|
|
|
|
void mndTransSetDbInfo(STrans *pTrans, SDbObj *pDb) {
|
|
pTrans->dbUid = pDb->uid;
|
|
memcpy(pTrans->dbname, pDb->name, TSDB_DB_FNAME_LEN);
|
|
}
|
|
|
|
void mndTransSetExecOneByOne(STrans *pTrans) { pTrans->parallel = TRN_EXEC_ONE_BY_ONE; }
|
|
|
|
static int32_t mndTransSync(SMnode *pMnode, STrans *pTrans) {
|
|
SSdbRaw *pRaw = mndTransActionEncode(pTrans);
|
|
if (pRaw == NULL) {
|
|
mError("trans:%d, failed to encode while sync trans since %s", pTrans->id, terrstr());
|
|
return -1;
|
|
}
|
|
sdbSetRawStatus(pRaw, SDB_STATUS_READY);
|
|
|
|
mDebug("trans:%d, sync to other nodes", pTrans->id);
|
|
int32_t code = mndSyncPropose(pMnode, pRaw, pTrans->id);
|
|
if (code != 0) {
|
|
mError("trans:%d, failed to sync since %s", pTrans->id, terrstr());
|
|
sdbFreeRaw(pRaw);
|
|
return -1;
|
|
}
|
|
|
|
sdbFreeRaw(pRaw);
|
|
mDebug("trans:%d, sync finished", pTrans->id);
|
|
return 0;
|
|
}
|
|
|
|
static bool mndIsBasicTrans(STrans *pTrans) {
|
|
return pTrans->type > TRN_TYPE_BASIC_SCOPE && pTrans->type < TRN_TYPE_BASIC_SCOPE_END;
|
|
}
|
|
|
|
static bool mndIsGlobalTrans(STrans *pTrans) {
|
|
return pTrans->type > TRN_TYPE_GLOBAL_SCOPE && pTrans->type < TRN_TYPE_GLOBAL_SCOPE_END;
|
|
}
|
|
|
|
static bool mndIsDbTrans(STrans *pTrans) {
|
|
return pTrans->type > TRN_TYPE_DB_SCOPE && pTrans->type < TRN_TYPE_DB_SCOPE_END;
|
|
}
|
|
|
|
static bool mndIsStbTrans(STrans *pTrans) {
|
|
return pTrans->type > TRN_TYPE_STB_SCOPE && pTrans->type < TRN_TYPE_STB_SCOPE_END;
|
|
}
|
|
|
|
static bool mndCheckTransConflict(SMnode *pMnode, STrans *pNewTrans) {
|
|
STrans *pTrans = NULL;
|
|
void *pIter = NULL;
|
|
bool conflict = false;
|
|
|
|
if (mndIsBasicTrans(pNewTrans)) return conflict;
|
|
|
|
while (1) {
|
|
pIter = sdbFetch(pMnode->pSdb, SDB_TRANS, pIter, (void **)&pTrans);
|
|
if (pIter == NULL) break;
|
|
|
|
if (mndIsGlobalTrans(pNewTrans)) {
|
|
if (mndIsDbTrans(pTrans) || mndIsStbTrans(pTrans)) {
|
|
mError("trans:%d, can't execute since trans:%d in progress db:%s", pNewTrans->id, pTrans->id, pTrans->dbname);
|
|
conflict = true;
|
|
} else {
|
|
}
|
|
}
|
|
|
|
else if (mndIsDbTrans(pNewTrans)) {
|
|
if (mndIsGlobalTrans(pTrans)) {
|
|
mError("trans:%d, can't execute since trans:%d in progress", pNewTrans->id, pTrans->id);
|
|
conflict = true;
|
|
} else if (mndIsDbTrans(pTrans) || mndIsStbTrans(pTrans)) {
|
|
if (pNewTrans->dbUid == pTrans->dbUid) {
|
|
mError("trans:%d, can't execute since trans:%d in progress db:%s", pNewTrans->id, pTrans->id, pTrans->dbname);
|
|
conflict = true;
|
|
}
|
|
} else {
|
|
}
|
|
}
|
|
|
|
else if (mndIsStbTrans(pNewTrans)) {
|
|
if (mndIsGlobalTrans(pTrans)) {
|
|
mError("trans:%d, can't execute since trans:%d in progress", pNewTrans->id, pTrans->id);
|
|
conflict = true;
|
|
} else if (mndIsDbTrans(pTrans)) {
|
|
if (pNewTrans->dbUid == pTrans->dbUid) {
|
|
mError("trans:%d, can't execute since trans:%d in progress db:%s", pNewTrans->id, pTrans->id, pTrans->dbname);
|
|
conflict = true;
|
|
}
|
|
} else {
|
|
}
|
|
}
|
|
|
|
sdbRelease(pMnode->pSdb, pTrans);
|
|
}
|
|
|
|
sdbCancelFetch(pMnode->pSdb, pIter);
|
|
sdbRelease(pMnode->pSdb, pTrans);
|
|
return conflict;
|
|
}
|
|
|
|
int32_t mndTransPrepare(SMnode *pMnode, STrans *pTrans) {
|
|
if (mndCheckTransConflict(pMnode, pTrans)) {
|
|
terrno = TSDB_CODE_MND_TRANS_CONFLICT;
|
|
mError("trans:%d, failed to prepare since %s", pTrans->id, terrstr());
|
|
return -1;
|
|
}
|
|
|
|
if (taosArrayGetSize(pTrans->commitLogs) <= 0) {
|
|
terrno = TSDB_CODE_MND_TRANS_CLOG_IS_NULL;
|
|
mError("trans:%d, failed to prepare since %s", pTrans->id, terrstr());
|
|
return -1;
|
|
}
|
|
|
|
mDebug("trans:%d, prepare transaction", pTrans->id);
|
|
if (mndTransSync(pMnode, pTrans) != 0) {
|
|
mError("trans:%d, failed to prepare since %s", pTrans->id, terrstr());
|
|
return -1;
|
|
}
|
|
mDebug("trans:%d, prepare finished", pTrans->id);
|
|
|
|
STrans *pNew = mndAcquireTrans(pMnode, pTrans->id);
|
|
if (pNew == NULL) {
|
|
mError("trans:%d, failed to read from sdb since %s", pTrans->id, terrstr());
|
|
return -1;
|
|
}
|
|
|
|
pNew->rpcInfo = pTrans->rpcInfo;
|
|
pNew->rpcRsp = pTrans->rpcRsp;
|
|
pNew->rpcRspLen = pTrans->rpcRspLen;
|
|
pTrans->rpcRsp = NULL;
|
|
pTrans->rpcRspLen = 0;
|
|
|
|
mndTransExecute(pMnode, pNew);
|
|
mndReleaseTrans(pMnode, pNew);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndTransCommit(SMnode *pMnode, STrans *pTrans) {
|
|
if (taosArrayGetSize(pTrans->commitLogs) == 0 && taosArrayGetSize(pTrans->redoActions) == 0) return 0;
|
|
|
|
mDebug("trans:%d, commit transaction", pTrans->id);
|
|
if (mndTransSync(pMnode, pTrans) != 0) {
|
|
mError("trans:%d, failed to commit since %s", pTrans->id, terrstr());
|
|
return -1;
|
|
}
|
|
mDebug("trans:%d, commit finished", pTrans->id);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndTransRollback(SMnode *pMnode, STrans *pTrans) {
|
|
mDebug("trans:%d, rollback transaction", pTrans->id);
|
|
if (mndTransSync(pMnode, pTrans) != 0) {
|
|
mError("trans:%d, failed to rollback since %s", pTrans->id, terrstr());
|
|
return -1;
|
|
}
|
|
mDebug("trans:%d, rollback finished", pTrans->id);
|
|
return 0;
|
|
}
|
|
|
|
static void mndTransSendRpcRsp(SMnode *pMnode, STrans *pTrans) {
|
|
bool sendRsp = false;
|
|
int32_t code = pTrans->code;
|
|
|
|
if (pTrans->stage == TRN_STAGE_FINISHED) {
|
|
sendRsp = true;
|
|
}
|
|
|
|
if (pTrans->policy == TRN_POLICY_ROLLBACK) {
|
|
if (pTrans->stage == TRN_STAGE_UNDO_LOG || pTrans->stage == TRN_STAGE_UNDO_ACTION ||
|
|
pTrans->stage == TRN_STAGE_ROLLBACK) {
|
|
if (code == 0) code = TSDB_CODE_MND_TRANS_UNKNOW_ERROR;
|
|
sendRsp = true;
|
|
}
|
|
} else {
|
|
if (pTrans->stage == TRN_STAGE_REDO_ACTION && pTrans->failedTimes > 6) {
|
|
if (code == 0) code = TSDB_CODE_MND_TRANS_UNKNOW_ERROR;
|
|
sendRsp = true;
|
|
}
|
|
}
|
|
|
|
if (sendRsp && pTrans->rpcInfo.handle != NULL) {
|
|
void *rpcCont = rpcMallocCont(pTrans->rpcRspLen);
|
|
if (rpcCont != NULL) {
|
|
memcpy(rpcCont, pTrans->rpcRsp, pTrans->rpcRspLen);
|
|
}
|
|
taosMemoryFree(pTrans->rpcRsp);
|
|
|
|
mDebug("trans:%d, send rsp, code:0x%x stage:%d app:%p", pTrans->id, code, pTrans->stage, pTrans->rpcInfo.ahandle);
|
|
SRpcMsg rspMsg = {
|
|
.code = code,
|
|
.pCont = rpcCont,
|
|
.contLen = pTrans->rpcRspLen,
|
|
.info = pTrans->rpcInfo,
|
|
};
|
|
tmsgSendRsp(&rspMsg);
|
|
pTrans->rpcInfo.handle = NULL;
|
|
pTrans->rpcRsp = NULL;
|
|
pTrans->rpcRspLen = 0;
|
|
}
|
|
}
|
|
|
|
void mndTransProcessRsp(SRpcMsg *pRsp) {
|
|
SMnode *pMnode = pRsp->info.node;
|
|
int64_t signature = (int64_t)(pRsp->info.ahandle);
|
|
int32_t transId = (int32_t)(signature >> 32);
|
|
int32_t action = (int32_t)((signature << 32) >> 32);
|
|
|
|
STrans *pTrans = mndAcquireTrans(pMnode, transId);
|
|
if (pTrans == NULL) {
|
|
mError("trans:%d, failed to get transId from vnode rsp since %s", transId, terrstr());
|
|
goto _OVER;
|
|
}
|
|
|
|
SArray *pArray = NULL;
|
|
if (pTrans->stage == TRN_STAGE_REDO_ACTION) {
|
|
pArray = pTrans->redoActions;
|
|
} else if (pTrans->stage == TRN_STAGE_UNDO_ACTION) {
|
|
pArray = pTrans->undoActions;
|
|
} else {
|
|
mError("trans:%d, invalid trans stage:%d while recv action rsp", pTrans->id, pTrans->stage);
|
|
goto _OVER;
|
|
}
|
|
|
|
if (pArray == NULL) {
|
|
mError("trans:%d, invalid trans stage:%d", transId, pTrans->stage);
|
|
goto _OVER;
|
|
}
|
|
|
|
int32_t actionNum = taosArrayGetSize(pTrans->redoActions);
|
|
if (action < 0 || action >= actionNum) {
|
|
mError("trans:%d, invalid action:%d", transId, action);
|
|
goto _OVER;
|
|
}
|
|
|
|
STransAction *pAction = taosArrayGet(pArray, action);
|
|
if (pAction != NULL) {
|
|
pAction->msgReceived = 1;
|
|
pAction->errCode = pRsp->code;
|
|
if (pAction->errCode != 0) {
|
|
tstrncpy(pTrans->lastError, tstrerror(pAction->errCode), TSDB_TRANS_ERROR_LEN);
|
|
}
|
|
}
|
|
|
|
mDebug("trans:%d, action:%d response is received, code:0x%x, accept:0x%04x", transId, action, pRsp->code,
|
|
pAction->acceptableCode);
|
|
mndTransExecute(pMnode, pTrans);
|
|
|
|
_OVER:
|
|
mndReleaseTrans(pMnode, pTrans);
|
|
}
|
|
|
|
static int32_t mndTransExecuteLogs(SMnode *pMnode, SArray *pArray) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
int32_t arraySize = taosArrayGetSize(pArray);
|
|
|
|
if (arraySize == 0) return 0;
|
|
|
|
int32_t code = 0;
|
|
for (int32_t i = 0; i < arraySize; ++i) {
|
|
SSdbRaw *pRaw = taosArrayGetP(pArray, i);
|
|
if (sdbWriteWithoutFree(pSdb, pRaw) != 0) {
|
|
code = ((terrno != 0) ? terrno : -1);
|
|
}
|
|
}
|
|
|
|
terrno = code;
|
|
return code;
|
|
}
|
|
|
|
static int32_t mndTransExecuteRedoLogs(SMnode *pMnode, STrans *pTrans) {
|
|
int32_t code = mndTransExecuteLogs(pMnode, pTrans->redoLogs);
|
|
if (code != 0) {
|
|
mError("failed to execute redoLogs since %s", terrstr());
|
|
}
|
|
return code;
|
|
}
|
|
|
|
static int32_t mndTransExecuteUndoLogs(SMnode *pMnode, STrans *pTrans) {
|
|
int32_t code = mndTransExecuteLogs(pMnode, pTrans->undoLogs);
|
|
if (code != 0) {
|
|
mError("failed to execute undoLogs since %s, return success", terrstr());
|
|
}
|
|
|
|
return 0; // return success in any case
|
|
}
|
|
|
|
static int32_t mndTransExecuteCommitLogs(SMnode *pMnode, STrans *pTrans) {
|
|
int32_t code = mndTransExecuteLogs(pMnode, pTrans->commitLogs);
|
|
if (code != 0) {
|
|
mError("failed to execute commitLogs since %s", terrstr());
|
|
}
|
|
return code;
|
|
}
|
|
|
|
static void mndTransResetActions(SMnode *pMnode, STrans *pTrans, SArray *pArray) {
|
|
int32_t numOfActions = taosArrayGetSize(pArray);
|
|
|
|
for (int32_t action = 0; action < numOfActions; ++action) {
|
|
STransAction *pAction = taosArrayGet(pArray, action);
|
|
if (pAction == NULL) continue;
|
|
if (pAction->msgSent && pAction->msgReceived && pAction->errCode == 0) continue;
|
|
|
|
pAction->msgSent = 0;
|
|
pAction->msgReceived = 0;
|
|
pAction->errCode = 0;
|
|
mDebug("trans:%d, action:%d execute status is reset", pTrans->id, action);
|
|
}
|
|
}
|
|
|
|
static int32_t mndTransSendActionMsg(SMnode *pMnode, STrans *pTrans, SArray *pArray) {
|
|
int32_t numOfActions = taosArrayGetSize(pArray);
|
|
|
|
for (int32_t action = 0; action < numOfActions; ++action) {
|
|
STransAction *pAction = taosArrayGet(pArray, action);
|
|
if (pAction == NULL) continue;
|
|
|
|
if (pAction->msgSent) {
|
|
if (pAction->msgReceived) {
|
|
continue;
|
|
} else {
|
|
if (pTrans->parallel == TRN_EXEC_ONE_BY_ONE) {
|
|
break;
|
|
} else {
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
int64_t signature = pTrans->id;
|
|
signature = (signature << 32);
|
|
signature += action;
|
|
|
|
SRpcMsg rpcMsg = {.msgType = pAction->msgType, .contLen = pAction->contLen, .info.ahandle = (void *)signature};
|
|
rpcMsg.pCont = rpcMallocCont(pAction->contLen);
|
|
if (rpcMsg.pCont == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return -1;
|
|
}
|
|
memcpy(rpcMsg.pCont, pAction->pCont, pAction->contLen);
|
|
|
|
if (tmsgSendReq(&pAction->epSet, &rpcMsg) == 0) {
|
|
mDebug("trans:%d, action:%d is sent to %s:%u", pTrans->id, action, pAction->epSet.eps[pAction->epSet.inUse].fqdn,
|
|
pAction->epSet.eps[pAction->epSet.inUse].port);
|
|
pAction->msgSent = 1;
|
|
pAction->msgReceived = 0;
|
|
pAction->errCode = 0;
|
|
if (pTrans->parallel == TRN_EXEC_ONE_BY_ONE) {
|
|
break;
|
|
}
|
|
} else {
|
|
pAction->msgSent = 0;
|
|
pAction->msgReceived = 0;
|
|
pAction->errCode = terrno;
|
|
mError("trans:%d, action:%d not send since %s", pTrans->id, action, terrstr());
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndTransExecuteActions(SMnode *pMnode, STrans *pTrans, SArray *pArray) {
|
|
int32_t numOfActions = taosArrayGetSize(pArray);
|
|
if (numOfActions == 0) return 0;
|
|
|
|
if (mndTransSendActionMsg(pMnode, pTrans, pArray) != 0) {
|
|
return -1;
|
|
}
|
|
|
|
int32_t numOfReceived = 0;
|
|
int32_t errCode = 0;
|
|
for (int32_t action = 0; action < numOfActions; ++action) {
|
|
STransAction *pAction = taosArrayGet(pArray, action);
|
|
if (pAction == NULL) continue;
|
|
if (pAction->msgSent && pAction->msgReceived) {
|
|
numOfReceived++;
|
|
if (pAction->errCode != 0 && pAction->errCode != pAction->acceptableCode) {
|
|
errCode = pAction->errCode;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (numOfReceived == numOfActions) {
|
|
if (errCode == 0) {
|
|
mDebug("trans:%d, all %d actions execute successfully", pTrans->id, numOfActions);
|
|
return 0;
|
|
} else {
|
|
mError("trans:%d, all %d actions executed, code:0x%x", pTrans->id, numOfActions, errCode & 0XFFFF);
|
|
mndTransResetActions(pMnode, pTrans, pArray);
|
|
terrno = errCode;
|
|
return errCode;
|
|
}
|
|
} else {
|
|
mDebug("trans:%d, %d of %d actions executed", pTrans->id, numOfReceived, numOfActions);
|
|
return TSDB_CODE_ACTION_IN_PROGRESS;
|
|
}
|
|
}
|
|
|
|
static int32_t mndTransExecuteRedoActions(SMnode *pMnode, STrans *pTrans) {
|
|
int32_t code = mndTransExecuteActions(pMnode, pTrans, pTrans->redoActions);
|
|
if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {
|
|
mError("failed to execute redoActions since:%s, code:0x%x", terrstr(), terrno);
|
|
}
|
|
return code;
|
|
}
|
|
|
|
static int32_t mndTransExecuteUndoActions(SMnode *pMnode, STrans *pTrans) {
|
|
int32_t code = mndTransExecuteActions(pMnode, pTrans, pTrans->undoActions);
|
|
if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {
|
|
mError("failed to execute undoActions since %s", terrstr());
|
|
}
|
|
return code;
|
|
}
|
|
|
|
static bool mndTransPerformPrepareStage(SMnode *pMnode, STrans *pTrans) {
|
|
bool continueExec = true;
|
|
pTrans->stage = TRN_STAGE_REDO_LOG;
|
|
mDebug("trans:%d, stage from prepare to redoLog", pTrans->id);
|
|
return continueExec;
|
|
}
|
|
|
|
static bool mndTransPerformRedoLogStage(SMnode *pMnode, STrans *pTrans) {
|
|
bool continueExec = true;
|
|
int32_t code = mndTransExecuteRedoLogs(pMnode, pTrans);
|
|
|
|
if (code == 0) {
|
|
pTrans->code = 0;
|
|
pTrans->stage = TRN_STAGE_REDO_ACTION;
|
|
mDebug("trans:%d, stage from redoLog to redoAction", pTrans->id);
|
|
} else {
|
|
pTrans->code = terrno;
|
|
pTrans->stage = TRN_STAGE_UNDO_LOG;
|
|
mError("trans:%d, stage from redoLog to undoLog since %s", pTrans->id, terrstr());
|
|
}
|
|
|
|
return continueExec;
|
|
}
|
|
|
|
static bool mndTransPerformRedoActionStage(SMnode *pMnode, STrans *pTrans) {
|
|
if (!pMnode->deploy && !mndIsMaster(pMnode)) return false;
|
|
|
|
bool continueExec = true;
|
|
int32_t code = mndTransExecuteRedoActions(pMnode, pTrans);
|
|
|
|
if (code == 0) {
|
|
pTrans->code = 0;
|
|
pTrans->stage = TRN_STAGE_COMMIT;
|
|
mDebug("trans:%d, stage from redoAction to commit", pTrans->id);
|
|
continueExec = true;
|
|
} else if (code == TSDB_CODE_ACTION_IN_PROGRESS) {
|
|
mDebug("trans:%d, stage keep on redoAction since %s", pTrans->id, tstrerror(code));
|
|
continueExec = false;
|
|
} else {
|
|
pTrans->code = terrno;
|
|
if (pTrans->policy == TRN_POLICY_ROLLBACK) {
|
|
pTrans->stage = TRN_STAGE_UNDO_ACTION;
|
|
mError("trans:%d, stage from redoAction to undoAction since %s", pTrans->id, terrstr());
|
|
continueExec = true;
|
|
} else {
|
|
pTrans->failedTimes++;
|
|
mError("trans:%d, stage keep on redoAction since %s, failedTimes:%d", pTrans->id, terrstr(), pTrans->failedTimes);
|
|
continueExec = false;
|
|
}
|
|
}
|
|
|
|
return continueExec;
|
|
}
|
|
|
|
static bool mndTransPerformCommitStage(SMnode *pMnode, STrans *pTrans) {
|
|
bool continueExec = true;
|
|
int32_t code = mndTransCommit(pMnode, pTrans);
|
|
|
|
if (code == 0) {
|
|
pTrans->code = 0;
|
|
pTrans->stage = TRN_STAGE_COMMIT_LOG;
|
|
mDebug("trans:%d, stage from commit to commitLog", pTrans->id);
|
|
continueExec = true;
|
|
} else {
|
|
pTrans->code = terrno;
|
|
if (pTrans->policy == TRN_POLICY_ROLLBACK) {
|
|
pTrans->stage = TRN_STAGE_UNDO_ACTION;
|
|
mError("trans:%d, stage from commit to undoAction since %s, failedTimes:%d", pTrans->id, terrstr(),
|
|
pTrans->failedTimes);
|
|
continueExec = true;
|
|
} else {
|
|
pTrans->failedTimes++;
|
|
mError("trans:%d, stage keep on commit since %s, failedTimes:%d", pTrans->id, terrstr(), pTrans->failedTimes);
|
|
continueExec = false;
|
|
}
|
|
}
|
|
|
|
return continueExec;
|
|
}
|
|
|
|
static bool mndTransPerformCommitLogStage(SMnode *pMnode, STrans *pTrans) {
|
|
bool continueExec = true;
|
|
int32_t code = mndTransExecuteCommitLogs(pMnode, pTrans);
|
|
|
|
if (code == 0) {
|
|
pTrans->code = 0;
|
|
pTrans->stage = TRN_STAGE_FINISHED;
|
|
mDebug("trans:%d, stage from commitLog to finished", pTrans->id);
|
|
continueExec = true;
|
|
} else {
|
|
pTrans->code = terrno;
|
|
pTrans->failedTimes++;
|
|
mError("trans:%d, stage keep on commitLog since %s, failedTimes:%d", pTrans->id, terrstr(), pTrans->failedTimes);
|
|
continueExec = false;
|
|
}
|
|
|
|
return continueExec;
|
|
}
|
|
|
|
static bool mndTransPerformUndoLogStage(SMnode *pMnode, STrans *pTrans) {
|
|
bool continueExec = true;
|
|
int32_t code = mndTransExecuteUndoLogs(pMnode, pTrans);
|
|
|
|
if (code == 0) {
|
|
pTrans->stage = TRN_STAGE_ROLLBACK;
|
|
mDebug("trans:%d, stage from undoLog to rollback", pTrans->id);
|
|
continueExec = true;
|
|
} else {
|
|
mError("trans:%d, stage keep on undoLog since %s", pTrans->id, terrstr());
|
|
continueExec = false;
|
|
}
|
|
|
|
return continueExec;
|
|
}
|
|
|
|
static bool mndTransPerformUndoActionStage(SMnode *pMnode, STrans *pTrans) {
|
|
if (!pMnode->deploy && !mndIsMaster(pMnode)) return false;
|
|
|
|
bool continueExec = true;
|
|
int32_t code = mndTransExecuteUndoActions(pMnode, pTrans);
|
|
|
|
if (code == 0) {
|
|
pTrans->stage = TRN_STAGE_UNDO_LOG;
|
|
mDebug("trans:%d, stage from undoAction to undoLog", pTrans->id);
|
|
continueExec = true;
|
|
} else if (code == TSDB_CODE_ACTION_IN_PROGRESS) {
|
|
mDebug("trans:%d, stage keep on undoAction since %s", pTrans->id, tstrerror(code));
|
|
continueExec = false;
|
|
} else {
|
|
pTrans->failedTimes++;
|
|
mError("trans:%d, stage keep on undoAction since %s, failedTimes:%d", pTrans->id, terrstr(), pTrans->failedTimes);
|
|
continueExec = false;
|
|
}
|
|
|
|
return continueExec;
|
|
}
|
|
|
|
static bool mndTransPerformRollbackStage(SMnode *pMnode, STrans *pTrans) {
|
|
bool continueExec = true;
|
|
int32_t code = mndTransRollback(pMnode, pTrans);
|
|
|
|
if (code == 0) {
|
|
pTrans->stage = TRN_STAGE_FINISHED;
|
|
mDebug("trans:%d, stage from rollback to finished", pTrans->id);
|
|
continueExec = true;
|
|
} else {
|
|
pTrans->failedTimes++;
|
|
mError("trans:%d, stage keep on rollback since %s, failedTimes:%d", pTrans->id, terrstr(), pTrans->failedTimes);
|
|
continueExec = false;
|
|
}
|
|
|
|
return continueExec;
|
|
}
|
|
|
|
static bool mndTransPerfromFinishedStage(SMnode *pMnode, STrans *pTrans) {
|
|
bool continueExec = false;
|
|
|
|
SSdbRaw *pRaw = mndTransActionEncode(pTrans);
|
|
if (pRaw == NULL) {
|
|
mError("trans:%d, failed to encode while finish trans since %s", pTrans->id, terrstr());
|
|
}
|
|
sdbSetRawStatus(pRaw, SDB_STATUS_DROPPED);
|
|
|
|
int32_t code = sdbWrite(pMnode->pSdb, pRaw);
|
|
if (code != 0) {
|
|
mError("trans:%d, failed to write sdb since %s", pTrans->id, terrstr());
|
|
}
|
|
|
|
mDebug("trans:%d, finished, code:0x%x, failedTimes:%d", pTrans->id, pTrans->code, pTrans->failedTimes);
|
|
|
|
return continueExec;
|
|
}
|
|
|
|
static void mndTransExecute(SMnode *pMnode, STrans *pTrans) {
|
|
bool continueExec = true;
|
|
|
|
while (continueExec) {
|
|
pTrans->lastExecTime = taosGetTimestampMs();
|
|
switch (pTrans->stage) {
|
|
case TRN_STAGE_PREPARE:
|
|
continueExec = mndTransPerformPrepareStage(pMnode, pTrans);
|
|
break;
|
|
case TRN_STAGE_REDO_LOG:
|
|
continueExec = mndTransPerformRedoLogStage(pMnode, pTrans);
|
|
break;
|
|
case TRN_STAGE_REDO_ACTION:
|
|
continueExec = mndTransPerformRedoActionStage(pMnode, pTrans);
|
|
break;
|
|
case TRN_STAGE_UNDO_LOG:
|
|
continueExec = mndTransPerformUndoLogStage(pMnode, pTrans);
|
|
break;
|
|
case TRN_STAGE_UNDO_ACTION:
|
|
continueExec = mndTransPerformUndoActionStage(pMnode, pTrans);
|
|
break;
|
|
case TRN_STAGE_COMMIT_LOG:
|
|
continueExec = mndTransPerformCommitLogStage(pMnode, pTrans);
|
|
break;
|
|
case TRN_STAGE_COMMIT:
|
|
continueExec = mndTransPerformCommitStage(pMnode, pTrans);
|
|
break;
|
|
case TRN_STAGE_ROLLBACK:
|
|
continueExec = mndTransPerformRollbackStage(pMnode, pTrans);
|
|
break;
|
|
case TRN_STAGE_FINISHED:
|
|
continueExec = mndTransPerfromFinishedStage(pMnode, pTrans);
|
|
break;
|
|
default:
|
|
continueExec = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
mndTransSendRpcRsp(pMnode, pTrans);
|
|
}
|
|
|
|
static int32_t mndProcessTransReq(SRpcMsg *pReq) {
|
|
mndTransPullup(pReq->info.node);
|
|
return 0;
|
|
}
|
|
|
|
int32_t mndKillTrans(SMnode *pMnode, STrans *pTrans) {
|
|
SArray *pArray = NULL;
|
|
if (pTrans->stage == TRN_STAGE_REDO_ACTION) {
|
|
pArray = pTrans->redoActions;
|
|
} else if (pTrans->stage == TRN_STAGE_UNDO_ACTION) {
|
|
pArray = pTrans->undoActions;
|
|
} else {
|
|
terrno = TSDB_CODE_MND_TRANS_INVALID_STAGE;
|
|
return -1;
|
|
}
|
|
|
|
int32_t size = taosArrayGetSize(pArray);
|
|
|
|
for (int32_t i = 0; i < size; ++i) {
|
|
STransAction *pAction = taosArrayGet(pArray, i);
|
|
if (pAction == NULL) continue;
|
|
|
|
if (pAction->msgReceived == 0) {
|
|
mInfo("trans:%d, action:%d set processed for kill msg received", pTrans->id, i);
|
|
pAction->msgSent = 1;
|
|
pAction->msgReceived = 1;
|
|
pAction->errCode = 0;
|
|
}
|
|
|
|
if (pAction->errCode != 0) {
|
|
mInfo("trans:%d, action:%d set processed for kill msg received, errCode from %s to success", pTrans->id, i,
|
|
tstrerror(pAction->errCode));
|
|
pAction->msgSent = 1;
|
|
pAction->msgReceived = 1;
|
|
pAction->errCode = 0;
|
|
}
|
|
}
|
|
|
|
mndTransExecute(pMnode, pTrans);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndProcessKillTransReq(SRpcMsg *pReq) {
|
|
SMnode *pMnode = pReq->info.node;
|
|
SKillTransReq killReq = {0};
|
|
int32_t code = -1;
|
|
SUserObj *pUser = NULL;
|
|
STrans *pTrans = NULL;
|
|
|
|
if (tDeserializeSKillTransReq(pReq->pCont, pReq->contLen, &killReq) != 0) {
|
|
terrno = TSDB_CODE_INVALID_MSG;
|
|
goto _OVER;
|
|
}
|
|
|
|
mInfo("trans:%d, start to kill", killReq.transId);
|
|
|
|
pUser = mndAcquireUser(pMnode, pReq->conn.user);
|
|
if (pUser == NULL) {
|
|
goto _OVER;
|
|
}
|
|
|
|
if (mndCheckTransAuth(pUser) != 0) {
|
|
goto _OVER;
|
|
}
|
|
|
|
pTrans = mndAcquireTrans(pMnode, killReq.transId);
|
|
if (pTrans == NULL) {
|
|
terrno = TSDB_CODE_MND_TRANS_NOT_EXIST;
|
|
mError("trans:%d, failed to kill since %s", killReq.transId, terrstr());
|
|
return -1;
|
|
}
|
|
|
|
code = mndKillTrans(pMnode, pTrans);
|
|
|
|
_OVER:
|
|
if (code != 0) {
|
|
mError("trans:%d, failed to kill since %s", killReq.transId, terrstr());
|
|
return -1;
|
|
}
|
|
|
|
mndReleaseTrans(pMnode, pTrans);
|
|
return code;
|
|
}
|
|
|
|
static int32_t mndCompareTransId(int32_t *pTransId1, int32_t *pTransId2) { return *pTransId1 >= *pTransId2 ? 1 : 0; }
|
|
|
|
void mndTransPullup(SMnode *pMnode) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
SArray *pArray = taosArrayInit(sdbGetSize(pSdb, SDB_TRANS), sizeof(int32_t));
|
|
if (pArray == NULL) return;
|
|
|
|
void *pIter = NULL;
|
|
while (1) {
|
|
STrans *pTrans = NULL;
|
|
pIter = sdbFetch(pMnode->pSdb, SDB_TRANS, pIter, (void **)&pTrans);
|
|
if (pIter == NULL) break;
|
|
taosArrayPush(pArray, &pTrans->id);
|
|
sdbRelease(pSdb, pTrans);
|
|
}
|
|
|
|
taosArraySort(pArray, (__compar_fn_t)mndCompareTransId);
|
|
|
|
for (int32_t i = 0; i < taosArrayGetSize(pArray); ++i) {
|
|
int32_t *pTransId = taosArrayGet(pArray, i);
|
|
STrans *pTrans = mndAcquireTrans(pMnode, *pTransId);
|
|
if (pTrans != NULL) {
|
|
mndTransExecute(pMnode, pTrans);
|
|
}
|
|
mndReleaseTrans(pMnode, pTrans);
|
|
}
|
|
|
|
sdbWriteFile(pMnode->pSdb);
|
|
taosArrayDestroy(pArray);
|
|
}
|
|
|
|
static int32_t mndRetrieveTrans(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows) {
|
|
SMnode *pMnode = pReq->info.node;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
int32_t numOfRows = 0;
|
|
STrans *pTrans = NULL;
|
|
int32_t cols = 0;
|
|
char *pWrite;
|
|
|
|
while (numOfRows < rows) {
|
|
pShow->pIter = sdbFetch(pSdb, SDB_TRANS, pShow->pIter, (void **)&pTrans);
|
|
if (pShow->pIter == NULL) break;
|
|
|
|
cols = 0;
|
|
|
|
SColumnInfoData *pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataAppend(pColInfo, numOfRows, (const char *)&pTrans->id, false);
|
|
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataAppend(pColInfo, numOfRows, (const char *)&pTrans->createdTime, false);
|
|
|
|
char stage[TSDB_TRANS_STAGE_LEN + VARSTR_HEADER_SIZE] = {0};
|
|
STR_WITH_MAXSIZE_TO_VARSTR(stage, mndTransStr(pTrans->stage), pShow->pMeta->pSchemas[cols].bytes);
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataAppend(pColInfo, numOfRows, (const char *)stage, false);
|
|
|
|
char dbname[TSDB_DB_NAME_LEN + VARSTR_HEADER_SIZE] = {0};
|
|
STR_WITH_MAXSIZE_TO_VARSTR(dbname, mndGetDbStr(pTrans->dbname), pShow->pMeta->pSchemas[cols].bytes);
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataAppend(pColInfo, numOfRows, (const char *)dbname, false);
|
|
|
|
char type[TSDB_TRANS_TYPE_LEN + VARSTR_HEADER_SIZE] = {0};
|
|
STR_WITH_MAXSIZE_TO_VARSTR(type, mndTransType(pTrans->type), pShow->pMeta->pSchemas[cols].bytes);
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataAppend(pColInfo, numOfRows, (const char *)type, false);
|
|
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataAppend(pColInfo, numOfRows, (const char *)&pTrans->failedTimes, false);
|
|
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataAppend(pColInfo, numOfRows, (const char *)&pTrans->lastExecTime, false);
|
|
|
|
char lastError[TSDB_TRANS_ERROR_LEN + VARSTR_HEADER_SIZE] = {0};
|
|
STR_WITH_MAXSIZE_TO_VARSTR(lastError, pTrans->lastError, pShow->pMeta->pSchemas[cols].bytes);
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataAppend(pColInfo, numOfRows, (const char *)lastError, false);
|
|
|
|
numOfRows++;
|
|
sdbRelease(pSdb, pTrans);
|
|
}
|
|
|
|
pShow->numOfRows += numOfRows;
|
|
return numOfRows;
|
|
}
|
|
|
|
static void mndCancelGetNextTrans(SMnode *pMnode, void *pIter) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
sdbCancelFetch(pSdb, pIter);
|
|
}
|