1560 lines
49 KiB
C
1560 lines
49 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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#include "mndStream.h"
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#include "mndDb.h"
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#include "mndDnode.h"
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#include "mndMnode.h"
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#include "mndPrivilege.h"
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#include "mndScheduler.h"
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#include "mndShow.h"
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#include "mndStb.h"
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#include "mndTopic.h"
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#include "mndTrans.h"
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#include "mndUser.h"
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#include "mndVgroup.h"
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#include "parser.h"
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#include "tname.h"
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#define MND_STREAM_VER_NUMBER 2
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#define MND_STREAM_RESERVE_SIZE 64
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#define MND_STREAM_MAX_NUM 60
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static int32_t mndStreamActionInsert(SSdb *pSdb, SStreamObj *pStream);
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static int32_t mndStreamActionDelete(SSdb *pSdb, SStreamObj *pStream);
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static int32_t mndStreamActionUpdate(SSdb *pSdb, SStreamObj *pOldStream, SStreamObj *pNewStream);
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static int32_t mndProcessCreateStreamReq(SRpcMsg *pReq);
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static int32_t mndProcessDropStreamReq(SRpcMsg *pReq);
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static int32_t mndProcessStreamCheckpointTmr(SRpcMsg *pReq);
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static int32_t mndProcessStreamDoCheckpoint(SRpcMsg *pReq);
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static int32_t mndProcessRecoverStreamReq(SRpcMsg *pReq);
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static int32_t mndProcessStreamMetaReq(SRpcMsg *pReq);
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static int32_t mndGetStreamMeta(SRpcMsg *pReq, SShowObj *pShow, STableMetaRsp *pMeta);
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static int32_t mndRetrieveStream(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows);
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static void mndCancelGetNextStream(SMnode *pMnode, void *pIter);
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static int32_t mndRetrieveStreamTask(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows);
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static void mndCancelGetNextStreamTask(SMnode *pMnode, void *pIter);
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static int32_t mndProcessPauseStreamReq(SRpcMsg *pReq);
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static int32_t mndProcessResumeStreamReq(SRpcMsg *pReq);
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int32_t mndInitStream(SMnode *pMnode) {
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SSdbTable table = {
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.sdbType = SDB_STREAM,
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.keyType = SDB_KEY_BINARY,
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.encodeFp = (SdbEncodeFp)mndStreamActionEncode,
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.decodeFp = (SdbDecodeFp)mndStreamActionDecode,
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.insertFp = (SdbInsertFp)mndStreamActionInsert,
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.updateFp = (SdbUpdateFp)mndStreamActionUpdate,
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.deleteFp = (SdbDeleteFp)mndStreamActionDelete,
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};
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mndSetMsgHandle(pMnode, TDMT_MND_CREATE_STREAM, mndProcessCreateStreamReq);
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mndSetMsgHandle(pMnode, TDMT_MND_DROP_STREAM, mndProcessDropStreamReq);
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/*mndSetMsgHandle(pMnode, TDMT_MND_RECOVER_STREAM, mndProcessRecoverStreamReq);*/
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mndSetMsgHandle(pMnode, TDMT_STREAM_TASK_DEPLOY_RSP, mndTransProcessRsp);
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mndSetMsgHandle(pMnode, TDMT_STREAM_TASK_DROP_RSP, mndTransProcessRsp);
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mndSetMsgHandle(pMnode, TDMT_STREAM_TASK_PAUSE_RSP, mndTransProcessRsp);
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mndSetMsgHandle(pMnode, TDMT_STREAM_TASK_RESUME_RSP, mndTransProcessRsp);
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// mndSetMsgHandle(pMnode, TDMT_MND_STREAM_CHECKPOINT_TIMER, mndProcessStreamCheckpointTmr);
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// mndSetMsgHandle(pMnode, TDMT_MND_STREAM_BEGIN_CHECKPOINT, mndProcessStreamDoCheckpoint);
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mndSetMsgHandle(pMnode, TDMT_STREAM_TASK_REPORT_CHECKPOINT, mndTransProcessRsp);
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mndSetMsgHandle(pMnode, TDMT_MND_PAUSE_STREAM, mndProcessPauseStreamReq);
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mndSetMsgHandle(pMnode, TDMT_MND_RESUME_STREAM, mndProcessResumeStreamReq);
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mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_STREAMS, mndRetrieveStream);
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mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_STREAMS, mndCancelGetNextStream);
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mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_STREAM_TASKS, mndRetrieveStreamTask);
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mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_STREAM_TASKS, mndCancelGetNextStreamTask);
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return sdbSetTable(pMnode->pSdb, table);
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}
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void mndCleanupStream(SMnode *pMnode) {}
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SSdbRaw *mndStreamActionEncode(SStreamObj *pStream) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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void *buf = NULL;
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SEncoder encoder;
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tEncoderInit(&encoder, NULL, 0);
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if (tEncodeSStreamObj(&encoder, pStream) < 0) {
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tEncoderClear(&encoder);
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goto STREAM_ENCODE_OVER;
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}
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int32_t tlen = encoder.pos;
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tEncoderClear(&encoder);
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int32_t size = sizeof(int32_t) + tlen + MND_STREAM_RESERVE_SIZE;
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SSdbRaw *pRaw = sdbAllocRaw(SDB_STREAM, MND_STREAM_VER_NUMBER, size);
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if (pRaw == NULL) goto STREAM_ENCODE_OVER;
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buf = taosMemoryMalloc(tlen);
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if (buf == NULL) goto STREAM_ENCODE_OVER;
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tEncoderInit(&encoder, buf, tlen);
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if (tEncodeSStreamObj(&encoder, pStream) < 0) {
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tEncoderClear(&encoder);
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goto STREAM_ENCODE_OVER;
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}
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tEncoderClear(&encoder);
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int32_t dataPos = 0;
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SDB_SET_INT32(pRaw, dataPos, tlen, STREAM_ENCODE_OVER);
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SDB_SET_BINARY(pRaw, dataPos, buf, tlen, STREAM_ENCODE_OVER);
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SDB_SET_DATALEN(pRaw, dataPos, STREAM_ENCODE_OVER);
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terrno = TSDB_CODE_SUCCESS;
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STREAM_ENCODE_OVER:
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taosMemoryFreeClear(buf);
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if (terrno != TSDB_CODE_SUCCESS) {
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mError("stream:%s, failed to encode to raw:%p since %s", pStream->name, pRaw, terrstr());
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sdbFreeRaw(pRaw);
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return NULL;
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}
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mTrace("stream:%s, encode to raw:%p, row:%p", pStream->name, pRaw, pStream);
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return pRaw;
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}
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SSdbRow *mndStreamActionDecode(SSdbRaw *pRaw) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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SSdbRow *pRow = NULL;
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SStreamObj *pStream = NULL;
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void *buf = NULL;
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int8_t sver = 0;
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if (sdbGetRawSoftVer(pRaw, &sver) != 0) goto STREAM_DECODE_OVER;
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if (sver != 1 && sver != 2) {
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terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
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goto STREAM_DECODE_OVER;
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}
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pRow = sdbAllocRow(sizeof(SStreamObj));
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if (pRow == NULL) goto STREAM_DECODE_OVER;
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pStream = sdbGetRowObj(pRow);
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if (pStream == NULL) goto STREAM_DECODE_OVER;
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int32_t tlen;
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int32_t dataPos = 0;
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SDB_GET_INT32(pRaw, dataPos, &tlen, STREAM_DECODE_OVER);
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buf = taosMemoryMalloc(tlen + 1);
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if (buf == NULL) goto STREAM_DECODE_OVER;
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SDB_GET_BINARY(pRaw, dataPos, buf, tlen, STREAM_DECODE_OVER);
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SDecoder decoder;
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tDecoderInit(&decoder, buf, tlen + 1);
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if (tDecodeSStreamObj(&decoder, pStream, sver) < 0) {
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tDecoderClear(&decoder);
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goto STREAM_DECODE_OVER;
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}
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tDecoderClear(&decoder);
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terrno = TSDB_CODE_SUCCESS;
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STREAM_DECODE_OVER:
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taosMemoryFreeClear(buf);
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if (terrno != TSDB_CODE_SUCCESS) {
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mError("stream:%s, failed to decode from raw:%p since %s", pStream == NULL ? "null" : pStream->name, pRaw,
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terrstr());
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taosMemoryFreeClear(pRow);
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return NULL;
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}
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mTrace("stream:%s, decode from raw:%p, row:%p", pStream->name, pRaw, pStream);
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return pRow;
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}
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static int32_t mndStreamActionInsert(SSdb *pSdb, SStreamObj *pStream) {
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mTrace("stream:%s, perform insert action", pStream->name);
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return 0;
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}
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static int32_t mndStreamActionDelete(SSdb *pSdb, SStreamObj *pStream) {
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mTrace("stream:%s, perform delete action", pStream->name);
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taosWLockLatch(&pStream->lock);
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tFreeStreamObj(pStream);
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taosWUnLockLatch(&pStream->lock);
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return 0;
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}
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static int32_t mndStreamActionUpdate(SSdb *pSdb, SStreamObj *pOldStream, SStreamObj *pNewStream) {
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mTrace("stream:%s, perform update action", pOldStream->name);
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atomic_exchange_64(&pOldStream->updateTime, pNewStream->updateTime);
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atomic_exchange_32(&pOldStream->version, pNewStream->version);
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taosWLockLatch(&pOldStream->lock);
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pOldStream->status = pNewStream->status;
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taosWUnLockLatch(&pOldStream->lock);
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return 0;
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}
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SStreamObj *mndAcquireStream(SMnode *pMnode, char *streamName) {
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SSdb *pSdb = pMnode->pSdb;
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SStreamObj *pStream = sdbAcquire(pSdb, SDB_STREAM, streamName);
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if (pStream == NULL && terrno == TSDB_CODE_SDB_OBJ_NOT_THERE) {
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terrno = TSDB_CODE_MND_STREAM_NOT_EXIST;
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}
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return pStream;
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}
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void mndReleaseStream(SMnode *pMnode, SStreamObj *pStream) {
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SSdb *pSdb = pMnode->pSdb;
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sdbRelease(pSdb, pStream);
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}
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static void mndShowStreamStatus(char *dst, SStreamObj *pStream) {
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int8_t status = atomic_load_8(&pStream->status);
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if (status == STREAM_STATUS__NORMAL) {
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strcpy(dst, "normal");
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} else if (status == STREAM_STATUS__STOP) {
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strcpy(dst, "stop");
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} else if (status == STREAM_STATUS__FAILED) {
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strcpy(dst, "failed");
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} else if (status == STREAM_STATUS__RECOVER) {
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strcpy(dst, "recover");
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} else if (status == STREAM_STATUS__PAUSE) {
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strcpy(dst, "pause");
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}
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}
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static void mndShowStreamTrigger(char *dst, SStreamObj *pStream) {
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int8_t trigger = pStream->conf.trigger;
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if (trigger == STREAM_TRIGGER_AT_ONCE) {
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strcpy(dst, "at once");
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} else if (trigger == STREAM_TRIGGER_WINDOW_CLOSE) {
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strcpy(dst, "window close");
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} else if (trigger == STREAM_TRIGGER_MAX_DELAY) {
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strcpy(dst, "max delay");
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}
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}
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static int32_t mndCheckCreateStreamReq(SCMCreateStreamReq *pCreate) {
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if (pCreate->name[0] == 0 || pCreate->sql == NULL || pCreate->sql[0] == 0 || pCreate->sourceDB[0] == 0 ||
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pCreate->targetStbFullName[0] == 0) {
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terrno = TSDB_CODE_MND_INVALID_STREAM_OPTION;
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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 mndStreamGetPlanString(const char *ast, int8_t triggerType, int64_t watermark, char **pStr) {
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if (NULL == ast) {
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return TSDB_CODE_SUCCESS;
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}
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SNode *pAst = NULL;
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int32_t code = nodesStringToNode(ast, &pAst);
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SQueryPlan *pPlan = NULL;
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if (TSDB_CODE_SUCCESS == code) {
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SPlanContext cxt = {
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.pAstRoot = pAst,
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.topicQuery = false,
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.streamQuery = true,
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.triggerType = triggerType == STREAM_TRIGGER_MAX_DELAY ? STREAM_TRIGGER_WINDOW_CLOSE : triggerType,
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.watermark = watermark,
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};
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code = qCreateQueryPlan(&cxt, &pPlan, NULL);
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}
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if (TSDB_CODE_SUCCESS == code) {
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code = nodesNodeToString((SNode *)pPlan, false, pStr, NULL);
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}
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nodesDestroyNode(pAst);
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nodesDestroyNode((SNode *)pPlan);
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terrno = code;
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return code;
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}
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static int32_t mndBuildStreamObjFromCreateReq(SMnode *pMnode, SStreamObj *pObj, SCMCreateStreamReq *pCreate) {
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SNode *pAst = NULL;
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SQueryPlan *pPlan = NULL;
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mInfo("stream:%s to create", pCreate->name);
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memcpy(pObj->name, pCreate->name, TSDB_STREAM_FNAME_LEN);
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pObj->createTime = taosGetTimestampMs();
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pObj->updateTime = pObj->createTime;
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pObj->version = 1;
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pObj->smaId = 0;
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pObj->uid = mndGenerateUid(pObj->name, strlen(pObj->name));
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char p[TSDB_STREAM_FNAME_LEN + 32] = {0};
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snprintf(p, tListLen(p), "%s_%s", pObj->name, "fillhistory");
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pObj->hTaskUid = mndGenerateUid(pObj->name, strlen(pObj->name));
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pObj->status = 0;
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pObj->conf.igExpired = pCreate->igExpired;
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pObj->conf.trigger = pCreate->triggerType;
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pObj->conf.triggerParam = pCreate->maxDelay;
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pObj->conf.watermark = pCreate->watermark;
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pObj->conf.fillHistory = pCreate->fillHistory;
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pObj->deleteMark = pCreate->deleteMark;
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pObj->igCheckUpdate = pCreate->igUpdate;
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memcpy(pObj->sourceDb, pCreate->sourceDB, TSDB_DB_FNAME_LEN);
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SDbObj *pSourceDb = mndAcquireDb(pMnode, pCreate->sourceDB);
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if (pSourceDb == NULL) {
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mInfo("stream:%s failed to create, source db %s not exist since %s", pCreate->name, pObj->sourceDb, terrstr());
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return -1;
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}
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pObj->sourceDbUid = pSourceDb->uid;
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mndReleaseDb(pMnode, pSourceDb);
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memcpy(pObj->targetSTbName, pCreate->targetStbFullName, TSDB_TABLE_FNAME_LEN);
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SDbObj *pTargetDb = mndAcquireDbByStb(pMnode, pObj->targetSTbName);
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if (pTargetDb == NULL) {
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mInfo("stream:%s failed to create, target db %s not exist since %s", pCreate->name, pObj->targetDb, terrstr());
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return -1;
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}
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tstrncpy(pObj->targetDb, pTargetDb->name, TSDB_DB_FNAME_LEN);
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if (pCreate->createStb == STREAM_CREATE_STABLE_TRUE) {
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pObj->targetStbUid = mndGenerateUid(pObj->targetSTbName, TSDB_TABLE_FNAME_LEN);
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} else {
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pObj->targetStbUid = pCreate->targetStbUid;
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}
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pObj->targetDbUid = pTargetDb->uid;
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mndReleaseDb(pMnode, pTargetDb);
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pObj->sql = pCreate->sql;
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pObj->ast = pCreate->ast;
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pCreate->sql = NULL;
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pCreate->ast = NULL;
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// deserialize ast
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if (nodesStringToNode(pObj->ast, &pAst) < 0) {
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goto FAIL;
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}
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// extract output schema from ast
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if (qExtractResultSchema(pAst, (int32_t *)&pObj->outputSchema.nCols, &pObj->outputSchema.pSchema) != 0) {
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goto FAIL;
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}
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int32_t numOfNULL = taosArrayGetSize(pCreate->fillNullCols);
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if (numOfNULL > 0) {
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pObj->outputSchema.nCols += numOfNULL;
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SSchema *pFullSchema = taosMemoryCalloc(pObj->outputSchema.nCols, sizeof(SSchema));
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if (!pFullSchema) {
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goto FAIL;
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}
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|
|
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int32_t nullIndex = 0;
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int32_t dataIndex = 0;
|
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for (int16_t i = 0; i < pObj->outputSchema.nCols; i++) {
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SColLocation *pos = taosArrayGet(pCreate->fillNullCols, nullIndex);
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if (nullIndex >= numOfNULL || i < pos->slotId) {
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pFullSchema[i].bytes = pObj->outputSchema.pSchema[dataIndex].bytes;
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pFullSchema[i].colId = i + 1; // pObj->outputSchema.pSchema[dataIndex].colId;
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pFullSchema[i].flags = pObj->outputSchema.pSchema[dataIndex].flags;
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strcpy(pFullSchema[i].name, pObj->outputSchema.pSchema[dataIndex].name);
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pFullSchema[i].type = pObj->outputSchema.pSchema[dataIndex].type;
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dataIndex++;
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} else {
|
|
pFullSchema[i].bytes = 0;
|
|
pFullSchema[i].colId = pos->colId;
|
|
pFullSchema[i].flags = COL_SET_NULL;
|
|
memset(pFullSchema[i].name, 0, TSDB_COL_NAME_LEN);
|
|
pFullSchema[i].type = pos->type;
|
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nullIndex++;
|
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}
|
|
}
|
|
taosMemoryFree(pObj->outputSchema.pSchema);
|
|
pObj->outputSchema.pSchema = pFullSchema;
|
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}
|
|
|
|
SPlanContext cxt = {
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.pAstRoot = pAst,
|
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.topicQuery = false,
|
|
.streamQuery = true,
|
|
.triggerType = pObj->conf.trigger == STREAM_TRIGGER_MAX_DELAY ? STREAM_TRIGGER_WINDOW_CLOSE : pObj->conf.trigger,
|
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.watermark = pObj->conf.watermark,
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.igExpired = pObj->conf.igExpired,
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.deleteMark = pObj->deleteMark,
|
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.igCheckUpdate = pObj->igCheckUpdate,
|
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};
|
|
|
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// using ast and param to build physical plan
|
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if (qCreateQueryPlan(&cxt, &pPlan, NULL) < 0) {
|
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goto FAIL;
|
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}
|
|
|
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// save physcial plan
|
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if (nodesNodeToString((SNode *)pPlan, false, &pObj->physicalPlan, NULL) != 0) {
|
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goto FAIL;
|
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}
|
|
|
|
pObj->tagSchema.nCols = pCreate->numOfTags;
|
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if (pCreate->numOfTags) {
|
|
pObj->tagSchema.pSchema = taosMemoryCalloc(pCreate->numOfTags, sizeof(SSchema));
|
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}
|
|
/*A(pCreate->numOfTags == taosArrayGetSize(pCreate->pTags));*/
|
|
for (int32_t i = 0; i < pCreate->numOfTags; i++) {
|
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SField *pField = taosArrayGet(pCreate->pTags, i);
|
|
pObj->tagSchema.pSchema[i].colId = pObj->outputSchema.nCols + i + 1;
|
|
pObj->tagSchema.pSchema[i].bytes = pField->bytes;
|
|
pObj->tagSchema.pSchema[i].flags = pField->flags;
|
|
pObj->tagSchema.pSchema[i].type = pField->type;
|
|
memcpy(pObj->tagSchema.pSchema[i].name, pField->name, TSDB_COL_NAME_LEN);
|
|
}
|
|
|
|
FAIL:
|
|
if (pAst != NULL) nodesDestroyNode(pAst);
|
|
if (pPlan != NULL) qDestroyQueryPlan(pPlan);
|
|
return 0;
|
|
}
|
|
|
|
int32_t mndPersistTaskDeployReq(STrans *pTrans, const SStreamTask *pTask) {
|
|
SEncoder encoder;
|
|
tEncoderInit(&encoder, NULL, 0);
|
|
tEncodeStreamTask(&encoder, pTask);
|
|
|
|
int32_t size = encoder.pos;
|
|
int32_t tlen = sizeof(SMsgHead) + size;
|
|
tEncoderClear(&encoder);
|
|
|
|
void *buf = taosMemoryCalloc(1, tlen);
|
|
if (buf == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return -1;
|
|
}
|
|
|
|
((SMsgHead *)buf)->vgId = htonl(pTask->info.nodeId);
|
|
|
|
void *abuf = POINTER_SHIFT(buf, sizeof(SMsgHead));
|
|
tEncoderInit(&encoder, abuf, size);
|
|
|
|
tEncodeStreamTask(&encoder, pTask);
|
|
tEncoderClear(&encoder);
|
|
|
|
STransAction action = {0};
|
|
action.mTraceId = pTrans->mTraceId;
|
|
memcpy(&action.epSet, &pTask->info.epSet, sizeof(SEpSet));
|
|
action.pCont = buf;
|
|
action.contLen = tlen;
|
|
action.msgType = TDMT_STREAM_TASK_DEPLOY;
|
|
|
|
if (mndTransAppendRedoAction(pTrans, &action) != 0) {
|
|
taosMemoryFree(buf);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t mndPersistStreamTasks(SMnode *pMnode, STrans *pTrans, SStreamObj *pStream) {
|
|
int32_t level = taosArrayGetSize(pStream->tasks);
|
|
for (int32_t i = 0; i < level; i++) {
|
|
SArray *pLevel = taosArrayGetP(pStream->tasks, i);
|
|
|
|
int32_t numOfTasks = taosArrayGetSize(pLevel);
|
|
for (int32_t j = 0; j < numOfTasks; j++) {
|
|
SStreamTask *pTask = taosArrayGetP(pLevel, j);
|
|
if (mndPersistTaskDeployReq(pTrans, pTask) < 0) {
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
// persistent stream task for already stored ts data
|
|
if (pStream->conf.fillHistory) {
|
|
level = taosArrayGetSize(pStream->pHTasksList);
|
|
|
|
for (int32_t i = 0; i < level; i++) {
|
|
SArray *pLevel = taosArrayGetP(pStream->pHTasksList, i);
|
|
|
|
int32_t numOfTasks = taosArrayGetSize(pLevel);
|
|
for (int32_t j = 0; j < numOfTasks; j++) {
|
|
SStreamTask *pTask = taosArrayGetP(pLevel, j);
|
|
if (mndPersistTaskDeployReq(pTrans, pTask) < 0) {
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t mndPersistStream(SMnode *pMnode, STrans *pTrans, SStreamObj *pStream) {
|
|
if (mndPersistStreamTasks(pMnode, pTrans, pStream) < 0) {
|
|
return -1;
|
|
}
|
|
|
|
SSdbRaw *pCommitRaw = mndStreamActionEncode(pStream);
|
|
if (pCommitRaw == NULL || mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) {
|
|
mError("trans:%d, failed to append commit log since %s", pTrans->id, terrstr());
|
|
return -1;
|
|
}
|
|
|
|
(void)sdbSetRawStatus(pCommitRaw, SDB_STATUS_READY);
|
|
return 0;
|
|
}
|
|
|
|
int32_t mndPersistDropStreamLog(SMnode *pMnode, STrans *pTrans, SStreamObj *pStream) {
|
|
SSdbRaw *pCommitRaw = mndStreamActionEncode(pStream);
|
|
if (pCommitRaw == NULL || mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) {
|
|
mError("trans:%d, failed to append commit log since %s", pTrans->id, terrstr());
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
(void)sdbSetRawStatus(pCommitRaw, SDB_STATUS_DROPPED);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndSetStreamRecover(SMnode *pMnode, STrans *pTrans, const SStreamObj *pStream) {
|
|
SStreamObj streamObj = {0};
|
|
memcpy(streamObj.name, pStream->name, TSDB_STREAM_FNAME_LEN);
|
|
streamObj.status = STREAM_STATUS__RECOVER;
|
|
|
|
SSdbRaw *pCommitRaw = mndStreamActionEncode(&streamObj);
|
|
if (pCommitRaw == NULL) return -1;
|
|
if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) {
|
|
mError("stream trans:%d, failed to append commit log since %s", pTrans->id, terrstr());
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
(void)sdbSetRawStatus(pCommitRaw, SDB_STATUS_READY);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndCreateStbForStream(SMnode *pMnode, STrans *pTrans, const SStreamObj *pStream, const char *user) {
|
|
SStbObj *pStb = NULL;
|
|
SDbObj *pDb = NULL;
|
|
|
|
SMCreateStbReq createReq = {0};
|
|
tstrncpy(createReq.name, pStream->targetSTbName, TSDB_TABLE_FNAME_LEN);
|
|
createReq.numOfColumns = pStream->outputSchema.nCols;
|
|
createReq.numOfTags = 1; // group id
|
|
createReq.pColumns = taosArrayInit_s(sizeof(SField), createReq.numOfColumns);
|
|
// build fields
|
|
for (int32_t i = 0; i < createReq.numOfColumns; i++) {
|
|
SField *pField = taosArrayGet(createReq.pColumns, i);
|
|
tstrncpy(pField->name, pStream->outputSchema.pSchema[i].name, TSDB_COL_NAME_LEN);
|
|
pField->flags = pStream->outputSchema.pSchema[i].flags;
|
|
pField->type = pStream->outputSchema.pSchema[i].type;
|
|
pField->bytes = pStream->outputSchema.pSchema[i].bytes;
|
|
}
|
|
|
|
if (pStream->tagSchema.nCols == 0) {
|
|
createReq.numOfTags = 1;
|
|
createReq.pTags = taosArrayInit_s(sizeof(SField), 1);
|
|
// build tags
|
|
SField *pField = taosArrayGet(createReq.pTags, 0);
|
|
strcpy(pField->name, "group_id");
|
|
pField->type = TSDB_DATA_TYPE_UBIGINT;
|
|
pField->flags = 0;
|
|
pField->bytes = 8;
|
|
} else {
|
|
createReq.numOfTags = pStream->tagSchema.nCols;
|
|
createReq.pTags = taosArrayInit_s(sizeof(SField), createReq.numOfTags);
|
|
for (int32_t i = 0; i < createReq.numOfTags; i++) {
|
|
SField *pField = taosArrayGet(createReq.pTags, i);
|
|
pField->bytes = pStream->tagSchema.pSchema[i].bytes;
|
|
pField->flags = pStream->tagSchema.pSchema[i].flags;
|
|
pField->type = pStream->tagSchema.pSchema[i].type;
|
|
tstrncpy(pField->name, pStream->tagSchema.pSchema[i].name, TSDB_COL_NAME_LEN);
|
|
}
|
|
}
|
|
|
|
if (mndCheckCreateStbReq(&createReq) != 0) {
|
|
goto _OVER;
|
|
}
|
|
|
|
pStb = mndAcquireStb(pMnode, createReq.name);
|
|
if (pStb != NULL) {
|
|
terrno = TSDB_CODE_MND_STB_ALREADY_EXIST;
|
|
goto _OVER;
|
|
}
|
|
|
|
pDb = mndAcquireDbByStb(pMnode, createReq.name);
|
|
if (pDb == NULL) {
|
|
terrno = TSDB_CODE_MND_DB_NOT_SELECTED;
|
|
goto _OVER;
|
|
}
|
|
|
|
int32_t numOfStbs = -1;
|
|
if (mndGetNumOfStbs(pMnode, pDb->name, &numOfStbs) != 0) {
|
|
goto _OVER;
|
|
}
|
|
|
|
if (pDb->cfg.numOfStables == 1 && numOfStbs != 0) {
|
|
terrno = TSDB_CODE_MND_SINGLE_STB_MODE_DB;
|
|
goto _OVER;
|
|
}
|
|
|
|
SStbObj stbObj = {0};
|
|
|
|
if (mndBuildStbFromReq(pMnode, &stbObj, &createReq, pDb) != 0) {
|
|
goto _OVER;
|
|
}
|
|
|
|
stbObj.uid = pStream->targetStbUid;
|
|
|
|
if (mndAddStbToTrans(pMnode, pTrans, pDb, &stbObj) < 0) {
|
|
mndFreeStb(&stbObj);
|
|
goto _OVER;
|
|
}
|
|
|
|
tFreeSMCreateStbReq(&createReq);
|
|
mndFreeStb(&stbObj);
|
|
mndReleaseStb(pMnode, pStb);
|
|
mndReleaseDb(pMnode, pDb);
|
|
|
|
return 0;
|
|
_OVER:
|
|
tFreeSMCreateStbReq(&createReq);
|
|
mndReleaseStb(pMnode, pStb);
|
|
mndReleaseDb(pMnode, pDb);
|
|
return -1;
|
|
}
|
|
|
|
static int32_t mndPersistTaskDropReq(STrans *pTrans, SStreamTask *pTask) {
|
|
// vnode
|
|
/*if (pTask->info.nodeId > 0) {*/
|
|
SVDropStreamTaskReq *pReq = taosMemoryCalloc(1, sizeof(SVDropStreamTaskReq));
|
|
if (pReq == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return -1;
|
|
}
|
|
|
|
pReq->head.vgId = htonl(pTask->info.nodeId);
|
|
pReq->taskId = pTask->id.taskId;
|
|
STransAction action = {0};
|
|
memcpy(&action.epSet, &pTask->info.epSet, sizeof(SEpSet));
|
|
action.pCont = pReq;
|
|
action.contLen = sizeof(SVDropStreamTaskReq);
|
|
action.msgType = TDMT_STREAM_TASK_DROP;
|
|
if (mndTransAppendRedoAction(pTrans, &action) != 0) {
|
|
taosMemoryFree(pReq);
|
|
return -1;
|
|
}
|
|
/*}*/
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t mndDropStreamTasks(SMnode *pMnode, STrans *pTrans, SStreamObj *pStream) {
|
|
int32_t lv = taosArrayGetSize(pStream->tasks);
|
|
for (int32_t i = 0; i < lv; i++) {
|
|
SArray *pTasks = taosArrayGetP(pStream->tasks, i);
|
|
int32_t sz = taosArrayGetSize(pTasks);
|
|
for (int32_t j = 0; j < sz; j++) {
|
|
SStreamTask *pTask = taosArrayGetP(pTasks, j);
|
|
if (mndPersistTaskDropReq(pTrans, pTask) < 0) {
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndProcessCreateStreamReq(SRpcMsg *pReq) {
|
|
SMnode *pMnode = pReq->info.node;
|
|
int32_t code = -1;
|
|
SStreamObj *pStream = NULL;
|
|
SDbObj *pDb = NULL;
|
|
SCMCreateStreamReq createStreamReq = {0};
|
|
SStreamObj streamObj = {0};
|
|
|
|
if (tDeserializeSCMCreateStreamReq(pReq->pCont, pReq->contLen, &createStreamReq) != 0) {
|
|
terrno = TSDB_CODE_INVALID_MSG;
|
|
goto _OVER;
|
|
}
|
|
|
|
mInfo("stream:%s, start to create, sql:%s", createStreamReq.name, createStreamReq.sql);
|
|
|
|
if (mndCheckCreateStreamReq(&createStreamReq) != 0) {
|
|
mError("stream:%s, failed to create since %s", createStreamReq.name, terrstr());
|
|
goto _OVER;
|
|
}
|
|
|
|
pStream = mndAcquireStream(pMnode, createStreamReq.name);
|
|
if (pStream != NULL) {
|
|
if (createStreamReq.igExists) {
|
|
mInfo("stream:%s, already exist, ignore exist is set", createStreamReq.name);
|
|
code = 0;
|
|
goto _OVER;
|
|
} else {
|
|
terrno = TSDB_CODE_MND_STREAM_ALREADY_EXIST;
|
|
goto _OVER;
|
|
}
|
|
} else if (terrno != TSDB_CODE_MND_STREAM_NOT_EXIST) {
|
|
goto _OVER;
|
|
}
|
|
|
|
// build stream obj from request
|
|
if (mndBuildStreamObjFromCreateReq(pMnode, &streamObj, &createStreamReq) < 0) {
|
|
mError("stream:%s, failed to create since %s", createStreamReq.name, terrstr());
|
|
goto _OVER;
|
|
}
|
|
|
|
{
|
|
int32_t numOfStream = 0;
|
|
|
|
SStreamObj *pStream = NULL;
|
|
void *pIter = NULL;
|
|
|
|
while (1) {
|
|
pIter = sdbFetch(pMnode->pSdb, SDB_STREAM, pIter, (void **)&pStream);
|
|
if (pIter == NULL) {
|
|
if (numOfStream > MND_STREAM_MAX_NUM) {
|
|
mError("too many streams, no more than %d for each database", MND_STREAM_MAX_NUM);
|
|
terrno = TSDB_CODE_MND_TOO_MANY_STREAMS;
|
|
goto _OVER;
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (pStream->sourceDbUid == streamObj.sourceDbUid) {
|
|
++numOfStream;
|
|
}
|
|
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
if (numOfStream > MND_STREAM_MAX_NUM) {
|
|
mError("too many streams, no more than %d for each database", MND_STREAM_MAX_NUM);
|
|
terrno = TSDB_CODE_MND_TOO_MANY_STREAMS;
|
|
goto _OVER;
|
|
}
|
|
|
|
if (pStream->targetStbUid == streamObj.targetStbUid) {
|
|
mError("Cannot write the same stable as other stream:%s", pStream->name);
|
|
terrno = TSDB_CODE_MND_INVALID_TARGET_TABLE;
|
|
goto _OVER;
|
|
}
|
|
}
|
|
}
|
|
|
|
pDb = mndAcquireDb(pMnode, streamObj.sourceDb);
|
|
if (pDb->cfg.replications != 1) {
|
|
mError("stream source db must have only 1 replica, but %s has %d", pDb->name, pDb->cfg.replications);
|
|
terrno = TSDB_CODE_MND_MULTI_REPLICA_SOURCE_DB;
|
|
mndReleaseDb(pMnode, pDb);
|
|
pDb = NULL;
|
|
goto _OVER;
|
|
}
|
|
|
|
mndReleaseDb(pMnode, pDb);
|
|
|
|
STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_ROLLBACK, TRN_CONFLICT_DB_INSIDE, pReq, "create-stream");
|
|
if (pTrans == NULL) {
|
|
mError("stream:%s, failed to create since %s", createStreamReq.name, terrstr());
|
|
goto _OVER;
|
|
}
|
|
|
|
mInfo("trans:%d, used to create stream:%s", pTrans->id, createStreamReq.name);
|
|
|
|
mndTransSetDbName(pTrans, createStreamReq.sourceDB, streamObj.targetDb);
|
|
if (mndTransCheckConflict(pMnode, pTrans) != 0) {
|
|
mndTransDrop(pTrans);
|
|
goto _OVER;
|
|
}
|
|
// create stb for stream
|
|
if (createStreamReq.createStb == STREAM_CREATE_STABLE_TRUE &&
|
|
mndCreateStbForStream(pMnode, pTrans, &streamObj, pReq->info.conn.user) < 0) {
|
|
mError("trans:%d, failed to create stb for stream %s since %s", pTrans->id, createStreamReq.name, terrstr());
|
|
mndTransDrop(pTrans);
|
|
goto _OVER;
|
|
}
|
|
|
|
// schedule stream task for stream obj
|
|
if (mndScheduleStream(pMnode, &streamObj) < 0) {
|
|
mError("stream:%s, failed to schedule since %s", createStreamReq.name, terrstr());
|
|
mndTransDrop(pTrans);
|
|
goto _OVER;
|
|
}
|
|
|
|
// add stream to trans
|
|
if (mndPersistStream(pMnode, pTrans, &streamObj) < 0) {
|
|
mError("stream:%s, failed to schedule since %s", createStreamReq.name, terrstr());
|
|
mndTransDrop(pTrans);
|
|
goto _OVER;
|
|
}
|
|
|
|
if (mndCheckDbPrivilegeByName(pMnode, pReq->info.conn.user, MND_OPER_READ_DB, streamObj.sourceDb) != 0) {
|
|
mndTransDrop(pTrans);
|
|
goto _OVER;
|
|
}
|
|
|
|
if (mndCheckDbPrivilegeByName(pMnode, pReq->info.conn.user, MND_OPER_WRITE_DB, streamObj.targetDb) != 0) {
|
|
mndTransDrop(pTrans);
|
|
goto _OVER;
|
|
}
|
|
|
|
// execute creation
|
|
if (mndTransPrepare(pMnode, pTrans) != 0) {
|
|
mError("trans:%d, failed to prepare since %s", pTrans->id, terrstr());
|
|
mndTransDrop(pTrans);
|
|
goto _OVER;
|
|
}
|
|
|
|
mndTransDrop(pTrans);
|
|
|
|
code = TSDB_CODE_ACTION_IN_PROGRESS;
|
|
|
|
_OVER:
|
|
if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {
|
|
mError("stream:%s, failed to create since %s", createStreamReq.name, terrstr());
|
|
}
|
|
|
|
mndReleaseStream(pMnode, pStream);
|
|
|
|
tFreeSCMCreateStreamReq(&createStreamReq);
|
|
tFreeStreamObj(&streamObj);
|
|
return code;
|
|
}
|
|
|
|
#if 0
|
|
|
|
static int32_t mndProcessStreamCheckpointTmr(SRpcMsg *pReq) {
|
|
SMnode *pMnode = pReq->info.node;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
void *pIter = NULL;
|
|
SStreamObj *pStream = NULL;
|
|
|
|
// iterate all stream obj
|
|
while (1) {
|
|
pIter = sdbFetch(pSdb, SDB_STREAM, pIter, (void **)&pStream);
|
|
if (pIter == NULL) break;
|
|
// incr tick
|
|
int64_t currentTick = atomic_add_fetch_64(&pStream->currentTick, 1);
|
|
// if >= checkpointFreq, build msg TDMT_MND_STREAM_BEGIN_CHECKPOINT, put into write q
|
|
if (currentTick >= pStream->checkpointFreq) {
|
|
atomic_store_64(&pStream->currentTick, 0);
|
|
SMStreamDoCheckpointMsg *pMsg = rpcMallocCont(sizeof(SMStreamDoCheckpointMsg));
|
|
|
|
pMsg->streamId = pStream->uid;
|
|
pMsg->checkpointId = tGenIdPI64();
|
|
memcpy(pMsg->streamName, pStream->name, TSDB_STREAM_FNAME_LEN);
|
|
|
|
SRpcMsg rpcMsg = {
|
|
.msgType = TDMT_MND_STREAM_BEGIN_CHECKPOINT,
|
|
.pCont = pMsg,
|
|
.contLen = sizeof(SMStreamDoCheckpointMsg),
|
|
};
|
|
|
|
tmsgPutToQueue(&pMnode->msgCb, WRITE_QUEUE, &rpcMsg);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndBuildStreamCheckpointSourceReq(void **pBuf, int32_t *pLen, const SStreamTask *pTask,
|
|
SMStreamDoCheckpointMsg *pMsg) {
|
|
SStreamCheckpointSourceReq req = {0};
|
|
req.checkpointId = pMsg->checkpointId;
|
|
req.nodeId = pTask->info.nodeId;
|
|
req.expireTime = -1;
|
|
req.streamId = pTask->streamId;
|
|
req.taskId = pTask->taskId;
|
|
|
|
int32_t code;
|
|
int32_t blen;
|
|
|
|
tEncodeSize(tEncodeSStreamCheckpointSourceReq, &req, blen, code);
|
|
if (code < 0) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return -1;
|
|
}
|
|
|
|
int32_t tlen = sizeof(SMsgHead) + blen;
|
|
|
|
void *buf = taosMemoryMalloc(tlen);
|
|
if (buf == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return -1;
|
|
}
|
|
|
|
void *abuf = POINTER_SHIFT(buf, sizeof(SMsgHead));
|
|
SEncoder encoder;
|
|
tEncoderInit(&encoder, abuf, tlen);
|
|
tEncodeSStreamCheckpointSourceReq(&encoder, &req);
|
|
|
|
SMsgHead *pMsgHead = (SMsgHead *)buf;
|
|
pMsgHead->contLen = htonl(tlen);
|
|
pMsgHead->vgId = htonl(pTask->info.nodeId);
|
|
|
|
tEncoderClear(&encoder);
|
|
|
|
*pBuf = buf;
|
|
*pLen = tlen;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndProcessStreamDoCheckpoint(SRpcMsg *pReq) {
|
|
SMnode *pMnode = pReq->info.node;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
|
|
SMStreamDoCheckpointMsg *pMsg = (SMStreamDoCheckpointMsg *)pReq->pCont;
|
|
|
|
SStreamObj *pStream = mndAcquireStream(pMnode, pMsg->streamName);
|
|
|
|
if (pStream == NULL || pStream->uid != pMsg->streamId) {
|
|
mError("start checkpointing failed since stream %s not found", pMsg->streamName);
|
|
return -1;
|
|
}
|
|
|
|
// build new transaction:
|
|
STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_DB_INSIDE, pReq, "stream-checkpoint");
|
|
if (pTrans == NULL) return -1;
|
|
mndTransSetDbName(pTrans, pStream->sourceDb, pStream->targetDb);
|
|
if (mndTransCheckConflict(pMnode, pTrans) != 0) {
|
|
mndReleaseStream(pMnode, pStream);
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
taosRLockLatch(&pStream->lock);
|
|
// 1. redo action: broadcast checkpoint source msg for all source vg
|
|
int32_t totLevel = taosArrayGetSize(pStream->tasks);
|
|
for (int32_t i = 0; i < totLevel; i++) {
|
|
SArray *pLevel = taosArrayGetP(pStream->tasks, i);
|
|
SStreamTask *pTask = taosArrayGetP(pLevel, 0);
|
|
if (pTask->info.taskLevel == TASK_LEVEL__SOURCE) {
|
|
int32_t sz = taosArrayGetSize(pLevel);
|
|
for (int32_t j = 0; j < sz; j++) {
|
|
SStreamTask *pTask = taosArrayGetP(pLevel, j);
|
|
/*A(pTask->info.nodeId > 0);*/
|
|
SVgObj *pVgObj = mndAcquireVgroup(pMnode, pTask->info.nodeId);
|
|
if (pVgObj == NULL) {
|
|
taosRUnLockLatch(&pStream->lock);
|
|
mndReleaseStream(pMnode, pStream);
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
void *buf;
|
|
int32_t tlen;
|
|
if (mndBuildStreamCheckpointSourceReq(&buf, &tlen, pTask, pMsg) < 0) {
|
|
taosRUnLockLatch(&pStream->lock);
|
|
mndReleaseStream(pMnode, pStream);
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
STransAction action = {0};
|
|
action.epSet = mndGetVgroupEpset(pMnode, pVgObj);
|
|
action.pCont = buf;
|
|
action.contLen = tlen;
|
|
action.msgType = TDMT_VND_STREAM_CHECK_POINT_SOURCE;
|
|
|
|
mndReleaseVgroup(pMnode, pVgObj);
|
|
|
|
if (mndTransAppendRedoAction(pTrans, &action) != 0) {
|
|
taosMemoryFree(buf);
|
|
taosRUnLockLatch(&pStream->lock);
|
|
mndReleaseStream(pMnode, pStream);
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// 2. reset tick
|
|
atomic_store_64(&pStream->currentTick, 0);
|
|
// 3. commit log: stream checkpoint info
|
|
taosRUnLockLatch(&pStream->lock);
|
|
|
|
if (mndTransPrepare(pMnode, pTrans) != 0) {
|
|
mError("failed to prepare trans rebalance since %s", terrstr());
|
|
mndTransDrop(pTrans);
|
|
mndReleaseStream(pMnode, pStream);
|
|
return -1;
|
|
}
|
|
|
|
mndReleaseStream(pMnode, pStream);
|
|
mndTransDrop(pTrans);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif
|
|
|
|
static int32_t mndProcessDropStreamReq(SRpcMsg *pReq) {
|
|
SMnode *pMnode = pReq->info.node;
|
|
SStreamObj *pStream = NULL;
|
|
/*SDbObj *pDb = NULL;*/
|
|
/*SUserObj *pUser = NULL;*/
|
|
|
|
SMDropStreamReq dropReq = {0};
|
|
if (tDeserializeSMDropStreamReq(pReq->pCont, pReq->contLen, &dropReq) < 0) {
|
|
terrno = TSDB_CODE_INVALID_MSG;
|
|
return -1;
|
|
}
|
|
|
|
pStream = mndAcquireStream(pMnode, dropReq.name);
|
|
|
|
if (pStream == NULL) {
|
|
if (dropReq.igNotExists) {
|
|
mInfo("stream:%s, not exist, ignore not exist is set", dropReq.name);
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
return 0;
|
|
} else {
|
|
terrno = TSDB_CODE_MND_STREAM_NOT_EXIST;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (mndCheckDbPrivilegeByName(pMnode, pReq->info.conn.user, MND_OPER_WRITE_DB, pStream->targetDb) != 0) {
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
return -1;
|
|
}
|
|
|
|
STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_DB_INSIDE, pReq, "drop-stream");
|
|
if (pTrans == NULL) {
|
|
mError("stream:%s, failed to drop since %s", dropReq.name, terrstr());
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
return -1;
|
|
}
|
|
mInfo("trans:%d, used to drop stream:%s", pTrans->id, dropReq.name);
|
|
|
|
mndTransSetDbName(pTrans, pStream->sourceDb, pStream->targetDb);
|
|
if (mndTransCheckConflict(pMnode, pTrans) != 0) {
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
// drop all tasks
|
|
if (mndDropStreamTasks(pMnode, pTrans, pStream) < 0) {
|
|
mError("stream:%s, failed to drop task since %s", dropReq.name, terrstr());
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
// drop stream
|
|
if (mndPersistDropStreamLog(pMnode, pTrans, pStream) < 0) {
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
if (mndTransPrepare(pMnode, pTrans) != 0) {
|
|
mError("trans:%d, failed to prepare drop stream trans since %s", pTrans->id, terrstr());
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
mndTransDrop(pTrans);
|
|
|
|
return TSDB_CODE_ACTION_IN_PROGRESS;
|
|
}
|
|
|
|
int32_t mndDropStreamByDb(SMnode *pMnode, STrans *pTrans, SDbObj *pDb) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
void *pIter = NULL;
|
|
|
|
while (1) {
|
|
SStreamObj *pStream = NULL;
|
|
pIter = sdbFetch(pSdb, SDB_STREAM, pIter, (void **)&pStream);
|
|
if (pIter == NULL) break;
|
|
|
|
if (pStream->sourceDbUid == pDb->uid || pStream->targetDbUid == pDb->uid) {
|
|
if (pStream->sourceDbUid != pStream->targetDbUid) {
|
|
sdbRelease(pSdb, pStream);
|
|
sdbCancelFetch(pSdb, pIter);
|
|
mError("db:%s, failed to drop stream:%s since sourceDbUid:%" PRId64 " not match with targetDbUid:%" PRId64,
|
|
pDb->name, pStream->name, pStream->sourceDbUid, pStream->targetDbUid);
|
|
terrno = TSDB_CODE_MND_STREAM_MUST_BE_DELETED;
|
|
return -1;
|
|
} else {
|
|
#if 0
|
|
if (mndDropStreamTasks(pMnode, pTrans, pStream) < 0) {
|
|
mError("stream:%s, failed to drop task since %s", pStream->name, terrstr());
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
sdbCancelFetch(pSdb, pIter);
|
|
return -1;
|
|
}
|
|
#endif
|
|
if (mndPersistDropStreamLog(pMnode, pTrans, pStream) < 0) {
|
|
sdbRelease(pSdb, pStream);
|
|
sdbCancelFetch(pSdb, pIter);
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
sdbRelease(pSdb, pStream);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndGetNumOfStreams(SMnode *pMnode, char *dbName, int32_t *pNumOfStreams) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
SDbObj *pDb = mndAcquireDb(pMnode, dbName);
|
|
if (pDb == NULL) {
|
|
terrno = TSDB_CODE_MND_DB_NOT_SELECTED;
|
|
return -1;
|
|
}
|
|
|
|
int32_t numOfStreams = 0;
|
|
void *pIter = NULL;
|
|
while (1) {
|
|
SStreamObj *pStream = NULL;
|
|
pIter = sdbFetch(pSdb, SDB_STREAM, pIter, (void **)&pStream);
|
|
if (pIter == NULL) break;
|
|
|
|
if (pStream->sourceDbUid == pDb->uid) {
|
|
numOfStreams++;
|
|
}
|
|
|
|
sdbRelease(pSdb, pStream);
|
|
}
|
|
|
|
*pNumOfStreams = numOfStreams;
|
|
mndReleaseDb(pMnode, pDb);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndRetrieveStream(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows) {
|
|
SMnode *pMnode = pReq->info.node;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
int32_t numOfRows = 0;
|
|
SStreamObj *pStream = NULL;
|
|
|
|
while (numOfRows < rows) {
|
|
pShow->pIter = sdbFetch(pSdb, SDB_STREAM, pShow->pIter, (void **)&pStream);
|
|
if (pShow->pIter == NULL) break;
|
|
|
|
SColumnInfoData *pColInfo;
|
|
SName n;
|
|
int32_t cols = 0;
|
|
|
|
char streamName[TSDB_TABLE_NAME_LEN + VARSTR_HEADER_SIZE] = {0};
|
|
STR_WITH_MAXSIZE_TO_VARSTR(streamName, mndGetDbStr(pStream->name), sizeof(streamName));
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)streamName, false);
|
|
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)&pStream->createTime, false);
|
|
|
|
char sql[TSDB_SHOW_SQL_LEN + VARSTR_HEADER_SIZE] = {0};
|
|
STR_WITH_MAXSIZE_TO_VARSTR(sql, pStream->sql, sizeof(sql));
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)sql, false);
|
|
|
|
char status[20 + VARSTR_HEADER_SIZE] = {0};
|
|
char status2[20] = {0};
|
|
mndShowStreamStatus(status2, pStream);
|
|
STR_WITH_MAXSIZE_TO_VARSTR(status, status2, sizeof(status));
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)&status, false);
|
|
|
|
char sourceDB[TSDB_DB_NAME_LEN + VARSTR_HEADER_SIZE] = {0};
|
|
STR_WITH_MAXSIZE_TO_VARSTR(sourceDB, mndGetDbStr(pStream->sourceDb), sizeof(sourceDB));
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)&sourceDB, false);
|
|
|
|
char targetDB[TSDB_DB_NAME_LEN + VARSTR_HEADER_SIZE] = {0};
|
|
STR_WITH_MAXSIZE_TO_VARSTR(targetDB, mndGetDbStr(pStream->targetDb), sizeof(targetDB));
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)&targetDB, false);
|
|
|
|
if (pStream->targetSTbName[0] == 0) {
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, NULL, true);
|
|
} else {
|
|
char targetSTB[TSDB_TABLE_NAME_LEN + VARSTR_HEADER_SIZE] = {0};
|
|
STR_WITH_MAXSIZE_TO_VARSTR(targetSTB, mndGetStbStr(pStream->targetSTbName), sizeof(targetSTB));
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)&targetSTB, false);
|
|
}
|
|
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)&pStream->conf.watermark, false);
|
|
|
|
char trigger[20 + VARSTR_HEADER_SIZE] = {0};
|
|
char trigger2[20] = {0};
|
|
mndShowStreamTrigger(trigger2, pStream);
|
|
STR_WITH_MAXSIZE_TO_VARSTR(trigger, trigger2, sizeof(trigger));
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)&trigger, false);
|
|
|
|
numOfRows++;
|
|
sdbRelease(pSdb, pStream);
|
|
}
|
|
|
|
pShow->numOfRows += numOfRows;
|
|
return numOfRows;
|
|
}
|
|
|
|
static void mndCancelGetNextStream(SMnode *pMnode, void *pIter) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
sdbCancelFetch(pSdb, pIter);
|
|
}
|
|
|
|
static int32_t mndRetrieveStreamTask(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rowsCapacity) {
|
|
SMnode *pMnode = pReq->info.node;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
int32_t numOfRows = 0;
|
|
SStreamObj *pStream = NULL;
|
|
|
|
while (numOfRows < rowsCapacity) {
|
|
pShow->pIter = sdbFetch(pSdb, SDB_STREAM, pShow->pIter, (void **)&pStream);
|
|
if (pShow->pIter == NULL) break;
|
|
|
|
// lock
|
|
taosRLockLatch(&pStream->lock);
|
|
// count task num
|
|
int32_t sz = taosArrayGetSize(pStream->tasks);
|
|
int32_t count = 0;
|
|
for (int32_t i = 0; i < sz; i++) {
|
|
SArray *pLevel = taosArrayGetP(pStream->tasks, i);
|
|
count += taosArrayGetSize(pLevel);
|
|
}
|
|
|
|
if (numOfRows + count > rowsCapacity) {
|
|
blockDataEnsureCapacity(pBlock, numOfRows + count);
|
|
}
|
|
// add row for each task
|
|
for (int32_t i = 0; i < sz; i++) {
|
|
SArray *pLevel = taosArrayGetP(pStream->tasks, i);
|
|
int32_t levelCnt = taosArrayGetSize(pLevel);
|
|
for (int32_t j = 0; j < levelCnt; j++) {
|
|
SStreamTask *pTask = taosArrayGetP(pLevel, j);
|
|
|
|
SColumnInfoData *pColInfo;
|
|
int32_t cols = 0;
|
|
|
|
// stream name
|
|
char streamName[TSDB_TABLE_NAME_LEN + VARSTR_HEADER_SIZE] = {0};
|
|
STR_WITH_MAXSIZE_TO_VARSTR(streamName, mndGetDbStr(pStream->name), sizeof(streamName));
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)streamName, false);
|
|
|
|
// task id
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)&pTask->id.taskId, false);
|
|
|
|
// node type
|
|
char nodeType[20 + VARSTR_HEADER_SIZE] = {0};
|
|
varDataSetLen(nodeType, 5);
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
if (pTask->info.nodeId > 0) {
|
|
memcpy(varDataVal(nodeType), "vnode", 5);
|
|
} else {
|
|
memcpy(varDataVal(nodeType), "snode", 5);
|
|
}
|
|
colDataSetVal(pColInfo, numOfRows, nodeType, false);
|
|
|
|
// node id
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
int64_t nodeId = TMAX(pTask->info.nodeId, 0);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)&nodeId, false);
|
|
|
|
// level
|
|
char level[20 + VARSTR_HEADER_SIZE] = {0};
|
|
if (pTask->info.taskLevel == TASK_LEVEL__SOURCE) {
|
|
memcpy(varDataVal(level), "source", 6);
|
|
varDataSetLen(level, 6);
|
|
} else if (pTask->info.taskLevel == TASK_LEVEL__AGG) {
|
|
memcpy(varDataVal(level), "agg", 3);
|
|
varDataSetLen(level, 3);
|
|
} else if (pTask->info.taskLevel == TASK_LEVEL__SINK) {
|
|
memcpy(varDataVal(level), "sink", 4);
|
|
varDataSetLen(level, 4);
|
|
} else if (pTask->info.taskLevel == TASK_LEVEL__SINK) {
|
|
}
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)&level, false);
|
|
|
|
// status
|
|
char status[20 + VARSTR_HEADER_SIZE] = {0};
|
|
char status2[20] = {0};
|
|
strcpy(status, "normal");
|
|
STR_WITH_MAXSIZE_TO_VARSTR(status, status2, sizeof(status));
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)&status, false);
|
|
|
|
numOfRows++;
|
|
}
|
|
}
|
|
|
|
// unlock
|
|
taosRUnLockLatch(&pStream->lock);
|
|
|
|
sdbRelease(pSdb, pStream);
|
|
}
|
|
|
|
pShow->numOfRows += numOfRows;
|
|
return numOfRows;
|
|
}
|
|
|
|
static void mndCancelGetNextStreamTask(SMnode *pMnode, void *pIter) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
sdbCancelFetch(pSdb, pIter);
|
|
}
|
|
|
|
static int32_t mndPauseStreamTask(STrans *pTrans, SStreamTask *pTask) {
|
|
SVPauseStreamTaskReq *pReq = taosMemoryCalloc(1, sizeof(SVPauseStreamTaskReq));
|
|
if (pReq == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return -1;
|
|
}
|
|
pReq->head.vgId = htonl(pTask->info.nodeId);
|
|
pReq->taskId = pTask->id.taskId;
|
|
STransAction action = {0};
|
|
memcpy(&action.epSet, &pTask->info.epSet, sizeof(SEpSet));
|
|
action.pCont = pReq;
|
|
action.contLen = sizeof(SVPauseStreamTaskReq);
|
|
action.msgType = TDMT_STREAM_TASK_PAUSE;
|
|
if (mndTransAppendRedoAction(pTrans, &action) != 0) {
|
|
taosMemoryFree(pReq);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int32_t mndPauseAllStreamTaskImpl(STrans *pTrans, SArray* tasks) {
|
|
int32_t size = taosArrayGetSize(tasks);
|
|
for (int32_t i = 0; i < size; i++) {
|
|
SArray *pTasks = taosArrayGetP(tasks, i);
|
|
int32_t sz = taosArrayGetSize(pTasks);
|
|
for (int32_t j = 0; j < sz; j++) {
|
|
SStreamTask *pTask = taosArrayGetP(pTasks, j);
|
|
if (pTask->info.taskLevel != TASK_LEVEL__SINK && mndPauseStreamTask(pTrans, pTask) < 0) {
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int32_t mndPauseAllStreamTasks(STrans *pTrans, SStreamObj *pStream) {
|
|
int32_t code = mndPauseAllStreamTaskImpl(pTrans, pStream->tasks);
|
|
if (code != 0) {
|
|
return code;
|
|
}
|
|
// pStream->pHTasksList is null
|
|
// code = mndPauseAllStreamTaskImpl(pTrans, pStream->pHTasksList);
|
|
return code;
|
|
}
|
|
|
|
static int32_t mndPersistStreamLog(STrans *pTrans, const SStreamObj *pStream, int8_t status) {
|
|
SStreamObj streamObj = {0};
|
|
memcpy(streamObj.name, pStream->name, TSDB_STREAM_FNAME_LEN);
|
|
streamObj.status = status;
|
|
|
|
SSdbRaw *pCommitRaw = mndStreamActionEncode(&streamObj);
|
|
if (pCommitRaw == NULL) return -1;
|
|
if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) {
|
|
mError("stream trans:%d, failed to append commit log since %s", pTrans->id, terrstr());
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
(void)sdbSetRawStatus(pCommitRaw, SDB_STATUS_READY);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndProcessPauseStreamReq(SRpcMsg *pReq) {
|
|
SMnode *pMnode = pReq->info.node;
|
|
SStreamObj *pStream = NULL;
|
|
|
|
SMPauseStreamReq pauseReq = {0};
|
|
if (tDeserializeSMPauseStreamReq(pReq->pCont, pReq->contLen, &pauseReq) < 0) {
|
|
terrno = TSDB_CODE_INVALID_MSG;
|
|
return -1;
|
|
}
|
|
|
|
pStream = mndAcquireStream(pMnode, pauseReq.name);
|
|
|
|
if (pStream == NULL) {
|
|
if (pauseReq.igNotExists) {
|
|
mInfo("stream:%s, not exist, if exist is set", pauseReq.name);
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
return 0;
|
|
} else {
|
|
terrno = TSDB_CODE_MND_STREAM_NOT_EXIST;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (mndCheckDbPrivilegeByName(pMnode, pReq->info.conn.user, MND_OPER_WRITE_DB, pStream->targetDb) != 0) {
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
return -1;
|
|
}
|
|
|
|
STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_DB_INSIDE, pReq, "pause-stream");
|
|
if (pTrans == NULL) {
|
|
mError("stream:%s, failed to pause stream since %s", pauseReq.name, terrstr());
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
return -1;
|
|
}
|
|
mInfo("trans:%d, used to pause stream:%s", pTrans->id, pauseReq.name);
|
|
|
|
mndTransSetDbName(pTrans, pStream->sourceDb, pStream->targetDb);
|
|
if (mndTransCheckConflict(pMnode, pTrans) != 0) {
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
// pause all tasks
|
|
if (mndPauseAllStreamTasks(pTrans, pStream) < 0) {
|
|
mError("stream:%s, failed to drop task since %s", pauseReq.name, terrstr());
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
// pause stream
|
|
if (mndPersistStreamLog(pTrans, pStream, STREAM_STATUS__PAUSE) < 0) {
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
if (mndTransPrepare(pMnode, pTrans) != 0) {
|
|
mError("trans:%d, failed to prepare pause stream trans since %s", pTrans->id, terrstr());
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
mndTransDrop(pTrans);
|
|
|
|
return TSDB_CODE_ACTION_IN_PROGRESS;
|
|
}
|
|
|
|
|
|
static int32_t mndResumeStreamTask(STrans *pTrans, SStreamTask *pTask, int8_t igUntreated) {
|
|
SVResumeStreamTaskReq *pReq = taosMemoryCalloc(1, sizeof(SVResumeStreamTaskReq));
|
|
if (pReq == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return -1;
|
|
}
|
|
pReq->head.vgId = htonl(pTask->info.nodeId);
|
|
pReq->taskId = pTask->id.taskId;
|
|
pReq->igUntreated = igUntreated;
|
|
STransAction action = {0};
|
|
memcpy(&action.epSet, &pTask->info.epSet, sizeof(SEpSet));
|
|
action.pCont = pReq;
|
|
action.contLen = sizeof(SVResumeStreamTaskReq);
|
|
action.msgType = TDMT_STREAM_TASK_RESUME;
|
|
if (mndTransAppendRedoAction(pTrans, &action) != 0) {
|
|
taosMemoryFree(pReq);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int32_t mndResumeAllStreamTasks(STrans *pTrans, SStreamObj *pStream, int8_t igUntreated) {
|
|
int32_t size = taosArrayGetSize(pStream->tasks);
|
|
for (int32_t i = 0; i < size; i++) {
|
|
SArray *pTasks = taosArrayGetP(pStream->tasks, i);
|
|
int32_t sz = taosArrayGetSize(pTasks);
|
|
for (int32_t j = 0; j < sz; j++) {
|
|
SStreamTask *pTask = taosArrayGetP(pTasks, j);
|
|
if (pTask->info.taskLevel != TASK_LEVEL__SINK && mndResumeStreamTask(pTrans, pTask, igUntreated) < 0) {
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
// pStream->pHTasksList is null
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndProcessResumeStreamReq(SRpcMsg *pReq) {
|
|
SMnode *pMnode = pReq->info.node;
|
|
SStreamObj *pStream = NULL;
|
|
|
|
SMResumeStreamReq pauseReq = {0};
|
|
if (tDeserializeSMResumeStreamReq(pReq->pCont, pReq->contLen, &pauseReq) < 0) {
|
|
terrno = TSDB_CODE_INVALID_MSG;
|
|
return -1;
|
|
}
|
|
|
|
pStream = mndAcquireStream(pMnode, pauseReq.name);
|
|
|
|
if (pStream == NULL) {
|
|
if (pauseReq.igNotExists) {
|
|
mInfo("stream:%s, not exist, if exist is set", pauseReq.name);
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
return 0;
|
|
} else {
|
|
terrno = TSDB_CODE_MND_STREAM_NOT_EXIST;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (mndCheckDbPrivilegeByName(pMnode, pReq->info.conn.user, MND_OPER_WRITE_DB, pStream->targetDb) != 0) {
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
return -1;
|
|
}
|
|
|
|
STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_DB_INSIDE, pReq, "pause-stream");
|
|
if (pTrans == NULL) {
|
|
mError("stream:%s, failed to pause stream since %s", pauseReq.name, terrstr());
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
return -1;
|
|
}
|
|
mInfo("trans:%d, used to pause stream:%s", pTrans->id, pauseReq.name);
|
|
|
|
mndTransSetDbName(pTrans, pStream->sourceDb, pStream->targetDb);
|
|
if (mndTransCheckConflict(pMnode, pTrans) != 0) {
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
// resume all tasks
|
|
if (mndResumeAllStreamTasks(pTrans, pStream, pauseReq.igUntreated) < 0) {
|
|
mError("stream:%s, failed to drop task since %s", pauseReq.name, terrstr());
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
// resume stream
|
|
if (mndPersistStreamLog(pTrans, pStream, STREAM_STATUS__NORMAL) < 0) {
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
if (mndTransPrepare(pMnode, pTrans) != 0) {
|
|
mError("trans:%d, failed to prepare pause stream trans since %s", pTrans->id, terrstr());
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
mndTransDrop(pTrans);
|
|
|
|
return TSDB_CODE_ACTION_IN_PROGRESS;
|
|
}
|