2470 lines
80 KiB
C
2470 lines
80 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 "audit.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 "tmisce.h"
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#include "tname.h"
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#define MND_STREAM_VER_NUMBER 4
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#define MND_STREAM_RESERVE_SIZE 64
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#define MND_STREAM_MAX_NUM 60
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#define MND_STREAM_CHECKPOINT_NAME "stream-checkpoint"
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typedef struct SNodeEntry {
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int32_t nodeId;
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bool stageUpdated; // the stage has been updated due to the leader/follower change or node reboot.
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SEpSet epset; // compare the epset to identify the vgroup tranferring between different dnodes.
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int64_t hbTimestamp; // second
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} SNodeEntry;
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typedef struct SStreamExecNodeInfo {
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SArray *pNodeEntryList;
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int64_t ts; // snapshot ts
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SHashObj *pTaskMap;
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SArray *pTaskList;
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TdThreadMutex lock;
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} SStreamExecNodeInfo;
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typedef struct SVgroupChangeInfo {
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SHashObj *pDBMap;
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SArray *pUpdateNodeList; // SArray<SNodeUpdateInfo>
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} SVgroupChangeInfo;
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static int32_t mndNodeCheckSentinel = 0;
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static SStreamExecNodeInfo execNodeList;
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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 mndProcessStreamHb(SRpcMsg *pReq);
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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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static int32_t mndBuildStreamCheckpointSourceReq2(void **pBuf, int32_t *pLen, int32_t nodeId, int64_t checkpointId,
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int64_t streamId, int32_t taskId);
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static int32_t mndProcessNodeCheck(SRpcMsg *pReq);
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static int32_t mndProcessNodeCheckReq(SRpcMsg *pMsg);
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static SArray *doExtractNodeListFromStream(SMnode *pMnode);
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static SArray *mndTakeVgroupSnapshot(SMnode *pMnode);
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static SVgroupChangeInfo mndFindChangedNodeInfo(SMnode *pMnode, const SArray *pPrevNodeList, const SArray *pNodeList);
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static int32_t mndPersistTransLog(SStreamObj *pStream, STrans *pTrans);
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static void initTransAction(STransAction *pAction, void *pCont, int32_t contLen, int32_t msgType, const SEpSet *pEpset);
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static void removeStreamTasksInBuf(SStreamObj* pStream, SStreamExecNodeInfo * pExecNode);
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static void keepStreamTasksInBuf(SStreamObj *pStream, SStreamExecNodeInfo *pExecNode);
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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_NODECHECK_TIMER, mndProcessNodeCheck);
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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_STREAM_TASK_STOP_RSP, mndTransProcessRsp);
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mndSetMsgHandle(pMnode, TDMT_VND_STREAM_TASK_UPDATE_RSP, mndTransProcessRsp);
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mndSetMsgHandle(pMnode, TDMT_VND_STREAM_CHECK_POINT_SOURCE_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_MND_STREAM_HEARTBEAT, mndProcessStreamHb);
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mndSetMsgHandle(pMnode, TDMT_STREAM_TASK_REPORT_CHECKPOINT, mndTransProcessRsp);
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mndSetMsgHandle(pMnode, TDMT_MND_STREAM_NODECHANGE_CHECK, mndProcessNodeCheckReq);
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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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taosThreadMutexInit(&execNodeList.lock, NULL);
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execNodeList.pTaskMap = taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_VARCHAR), true, HASH_NO_LOCK);
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execNodeList.pTaskList = taosArrayInit(4, sizeof(STaskId));
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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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taosArrayDestroy(execNodeList.pTaskList);
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taosHashCleanup(execNodeList.pTaskMap);
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taosThreadMutexDestroy(&execNodeList.lock);
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mDebug("mnd stream cleanup");
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}
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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) {
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goto STREAM_DECODE_OVER;
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}
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if (sver != MND_STREAM_VER_NUMBER) {
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terrno = 0;
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mError("stream read invalid ver, data ver: %d, curr ver: %d", sver, MND_STREAM_VER_NUMBER);
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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_32(&pOldStream->version, pNewStream->version);
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taosWLockLatch(&pOldStream->lock);
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pOldStream->status = pNewStream->status;
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pOldStream->updateTime = pNewStream->updateTime;
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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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|
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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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|
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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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|
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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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|
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pObj->sql = pCreate->sql;
|
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pObj->ast = pCreate->ast;
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|
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pCreate->sql = NULL;
|
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pCreate->ast = NULL;
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|
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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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|
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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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|
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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;
|
|
SSchema *pFullSchema = taosMemoryCalloc(pObj->outputSchema.nCols, sizeof(SSchema));
|
|
if (!pFullSchema) {
|
|
goto FAIL;
|
|
}
|
|
|
|
int32_t nullIndex = 0;
|
|
int32_t dataIndex = 0;
|
|
for (int16_t i = 0; i < pObj->outputSchema.nCols; i++) {
|
|
SColLocation *pos = taosArrayGet(pCreate->fillNullCols, nullIndex);
|
|
if (nullIndex >= numOfNULL || i < pos->slotId) {
|
|
pFullSchema[i].bytes = pObj->outputSchema.pSchema[dataIndex].bytes;
|
|
pFullSchema[i].colId = i + 1; // pObj->outputSchema.pSchema[dataIndex].colId;
|
|
pFullSchema[i].flags = pObj->outputSchema.pSchema[dataIndex].flags;
|
|
strcpy(pFullSchema[i].name, pObj->outputSchema.pSchema[dataIndex].name);
|
|
pFullSchema[i].type = pObj->outputSchema.pSchema[dataIndex].type;
|
|
dataIndex++;
|
|
} 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;
|
|
nullIndex++;
|
|
}
|
|
}
|
|
taosMemoryFree(pObj->outputSchema.pSchema);
|
|
pObj->outputSchema.pSchema = pFullSchema;
|
|
}
|
|
|
|
SPlanContext cxt = {
|
|
.pAstRoot = pAst,
|
|
.topicQuery = false,
|
|
.streamQuery = true,
|
|
.triggerType = pObj->conf.trigger == STREAM_TRIGGER_MAX_DELAY ? STREAM_TRIGGER_WINDOW_CLOSE : pObj->conf.trigger,
|
|
.watermark = pObj->conf.watermark,
|
|
.igExpired = pObj->conf.igExpired,
|
|
.deleteMark = pObj->deleteMark,
|
|
.igCheckUpdate = pObj->igCheckUpdate,
|
|
};
|
|
|
|
// using ast and param to build physical plan
|
|
if (qCreateQueryPlan(&cxt, &pPlan, NULL) < 0) {
|
|
goto FAIL;
|
|
}
|
|
|
|
// save physcial plan
|
|
if (nodesNodeToString((SNode *)pPlan, false, &pObj->physicalPlan, NULL) != 0) {
|
|
goto FAIL;
|
|
}
|
|
|
|
pObj->tagSchema.nCols = pCreate->numOfTags;
|
|
if (pCreate->numOfTags) {
|
|
pObj->tagSchema.pSchema = taosMemoryCalloc(pCreate->numOfTags, sizeof(SSchema));
|
|
}
|
|
/*A(pCreate->numOfTags == taosArrayGetSize(pCreate->pTags));*/
|
|
for (int32_t i = 0; i < pCreate->numOfTags; i++) {
|
|
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, SStreamTask *pTask) {
|
|
SEncoder encoder;
|
|
tEncoderInit(&encoder, NULL, 0);
|
|
|
|
pTask->ver = SSTREAM_TASK_VER;
|
|
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;
|
|
initTransAction(&action, buf, tlen, TDMT_STREAM_TASK_DEPLOY, &pTask->info.epSet);
|
|
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());
|
|
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());
|
|
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) {
|
|
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;
|
|
pReq->streamId = pTask->id.streamId;
|
|
|
|
STransAction action = {0};
|
|
initTransAction(&action, pReq, sizeof(SVDropStreamTaskReq), TDMT_STREAM_TASK_DROP, &pTask->info.epSet);
|
|
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;
|
|
}
|
|
#ifdef WINDOWS
|
|
terrno = TSDB_CODE_MND_INVALID_PLATFORM;
|
|
goto _OVER;
|
|
#endif
|
|
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;
|
|
sdbCancelFetch(pMnode->pSdb, pIter);
|
|
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;
|
|
sdbCancelFetch(pMnode->pSdb, pIter);
|
|
goto _OVER;
|
|
}
|
|
}
|
|
}
|
|
|
|
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, createStreamReq.lastTs) < 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);
|
|
|
|
taosThreadMutexLock(&execNodeList.lock);
|
|
mDebug("register to stream task node list");
|
|
keepStreamTasksInBuf(&streamObj, &execNodeList);
|
|
taosThreadMutexUnlock(&execNodeList.lock);
|
|
|
|
code = TSDB_CODE_ACTION_IN_PROGRESS;
|
|
|
|
SName name = {0};
|
|
tNameFromString(&name, createStreamReq.name, T_NAME_ACCT | T_NAME_DB);
|
|
//reuse this function for stream
|
|
|
|
//TODO
|
|
if (createStreamReq.sql != NULL) {
|
|
auditRecord(pReq, pMnode->clusterId, "createStream", name.dbname, "",
|
|
createStreamReq.sql, strlen(createStreamReq.sql));
|
|
}
|
|
_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;
|
|
}
|
|
|
|
static int32_t mndProcessStreamCheckpointTmr(SRpcMsg *pReq) {
|
|
SMnode *pMnode = pReq->info.node;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
if (sdbGetSize(pSdb, SDB_STREAM) <= 0) {
|
|
return 0;
|
|
}
|
|
|
|
int64_t checkpointId = taosGetTimestampMs();
|
|
SMStreamDoCheckpointMsg *pMsg = rpcMallocCont(sizeof(SMStreamDoCheckpointMsg));
|
|
pMsg->checkpointId = checkpointId;
|
|
|
|
int32_t size = sizeof(SMStreamDoCheckpointMsg);
|
|
SRpcMsg rpcMsg = {.msgType = TDMT_MND_STREAM_BEGIN_CHECKPOINT, .pCont = pMsg, .contLen = size};
|
|
tmsgPutToQueue(&pMnode->msgCb, WRITE_QUEUE, &rpcMsg);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndBuildStreamCheckpointSourceReq2(void **pBuf, int32_t *pLen, int32_t nodeId, int64_t checkpointId,
|
|
int64_t streamId, int32_t taskId) {
|
|
SStreamCheckpointSourceReq req = {0};
|
|
req.checkpointId = checkpointId;
|
|
req.nodeId = nodeId;
|
|
req.expireTime = -1;
|
|
req.streamId = streamId; // pTask->id.streamId;
|
|
req.taskId = taskId; // pTask->id.taskId;
|
|
|
|
int32_t code;
|
|
int32_t blen;
|
|
|
|
tEncodeSize(tEncodeStreamCheckpointSourceReq, &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);
|
|
tEncodeStreamCheckpointSourceReq(&encoder, &req);
|
|
|
|
SMsgHead *pMsgHead = (SMsgHead *)buf;
|
|
pMsgHead->contLen = htonl(tlen);
|
|
pMsgHead->vgId = htonl(nodeId);
|
|
|
|
tEncoderClear(&encoder);
|
|
|
|
*pBuf = buf;
|
|
*pLen = tlen;
|
|
|
|
return 0;
|
|
}
|
|
// static int32_t mndProcessStreamCheckpointTrans(SMnode *pMnode, SStreamObj *pStream, int64_t checkpointId) {
|
|
// int64_t timestampMs = taosGetTimestampMs();
|
|
// if (timestampMs - pStream->checkpointFreq < tsStreamCheckpointTickInterval * 1000) {
|
|
// return -1;
|
|
// }
|
|
|
|
// STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_DB_INSIDE, NULL, "stream-checkpoint");
|
|
// if (pTrans == NULL) return -1;
|
|
// mndTransSetDbName(pTrans, pStream->sourceDb, pStream->targetDb);
|
|
// if (mndTrancCheckConflict(pMnode, pTrans) != 0) {
|
|
// mError("failed to checkpoint of stream name%s, checkpointId: %" PRId64 ", reason:%s", pStream->name,
|
|
// checkpointId,
|
|
// tstrerror(TSDB_CODE_MND_TRANS_CONFLICT));
|
|
// mndTransDrop(pTrans);
|
|
// return -1;
|
|
// }
|
|
// mDebug("start to trigger checkpoint for stream:%s, checkpoint: %" PRId64 "", pStream->name, checkpointId);
|
|
// atomic_store_64(&pStream->currentTick, 1);
|
|
// taosWLockLatch(&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) {
|
|
// taosWUnLockLatch(&pStream->lock);
|
|
// mndTransDrop(pTrans);
|
|
// return -1;
|
|
// }
|
|
|
|
// void *buf;
|
|
// int32_t tlen;
|
|
// if (mndBuildStreamCheckpointSourceReq2(&buf, &tlen, pTask->info.nodeId, checkpointId, pTask->id.streamId,
|
|
// pTask->id.taskId) < 0) {
|
|
// mndReleaseVgroup(pMnode, pVgObj);
|
|
// taosWUnLockLatch(&pStream->lock);
|
|
// 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);
|
|
// taosWUnLockLatch(&pStream->lock);
|
|
// mndReleaseStream(pMnode, pStream);
|
|
// mndTransDrop(pTrans);
|
|
// return -1;
|
|
// }
|
|
// }
|
|
// }
|
|
// }
|
|
// // 2. reset tick
|
|
// pStream->checkpointFreq = checkpointId;
|
|
// pStream->checkpointId = checkpointId;
|
|
// pStream->checkpointFreq = taosGetTimestampMs();
|
|
// atomic_store_64(&pStream->currentTick, 0);
|
|
// // 3. commit log: stream checkpoint info
|
|
// pStream->version = pStream->version + 1;
|
|
// taosWUnLockLatch(&pStream->lock);
|
|
|
|
// // // code condtion
|
|
|
|
// SSdbRaw *pCommitRaw = mndStreamActionEncode(pStream);
|
|
// if (pCommitRaw == NULL) {
|
|
// mError("failed to prepare trans rebalance since %s", terrstr());
|
|
// goto _ERR;
|
|
// }
|
|
// if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) {
|
|
// sdbFreeRaw(pCommitRaw);
|
|
// mError("failed to prepare trans rebalance since %s", terrstr());
|
|
// goto _ERR;
|
|
// }
|
|
// if (sdbSetRawStatus(pCommitRaw, SDB_STATUS_READY) != 0) {
|
|
// sdbFreeRaw(pCommitRaw);
|
|
// mError("failed to prepare trans rebalance since %s", terrstr());
|
|
// goto _ERR;
|
|
// }
|
|
|
|
// if (mndTransPrepare(pMnode, pTrans) != 0) {
|
|
// mError("failed to prepare trans rebalance since %s", terrstr());
|
|
// goto _ERR;
|
|
// }
|
|
// mndTransDrop(pTrans);
|
|
// return 0;
|
|
// _ERR:
|
|
// mndTransDrop(pTrans);
|
|
// return -1;
|
|
// }
|
|
|
|
static int32_t mndAddStreamCheckpointToTrans(STrans *pTrans, SStreamObj *pStream, SMnode *pMnode, int64_t chkptId) {
|
|
taosWLockLatch(&pStream->lock);
|
|
|
|
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++) {
|
|
pTask = taosArrayGetP(pLevel, j);
|
|
if (pTask->info.fillHistory == 1) {
|
|
continue;
|
|
}
|
|
/*A(pTask->info.nodeId > 0);*/
|
|
SVgObj *pVgObj = mndAcquireVgroup(pMnode, pTask->info.nodeId);
|
|
if (pVgObj == NULL) {
|
|
taosWUnLockLatch(&pStream->lock);
|
|
return -1;
|
|
}
|
|
|
|
void *buf;
|
|
int32_t tlen;
|
|
if (mndBuildStreamCheckpointSourceReq2(&buf, &tlen, pTask->info.nodeId, chkptId, pTask->id.streamId,
|
|
pTask->id.taskId) < 0) {
|
|
mndReleaseVgroup(pMnode, pVgObj);
|
|
taosWUnLockLatch(&pStream->lock);
|
|
return -1;
|
|
}
|
|
|
|
STransAction action = {0};
|
|
SEpSet epset = mndGetVgroupEpset(pMnode, pVgObj);
|
|
initTransAction(&action, buf, tlen, TDMT_VND_STREAM_CHECK_POINT_SOURCE, &epset);
|
|
mndReleaseVgroup(pMnode, pVgObj);
|
|
|
|
if (mndTransAppendRedoAction(pTrans, &action) != 0) {
|
|
taosMemoryFree(buf);
|
|
taosWUnLockLatch(&pStream->lock);
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
pStream->checkpointId = chkptId;
|
|
pStream->checkpointFreq = taosGetTimestampMs();
|
|
pStream->currentTick = 0;
|
|
// 3. commit log: stream checkpoint info
|
|
pStream->version = pStream->version + 1;
|
|
|
|
taosWUnLockLatch(&pStream->lock);
|
|
|
|
SSdbRaw *pCommitRaw = mndStreamActionEncode(pStream);
|
|
if (pCommitRaw == NULL) {
|
|
mError("failed to prepare trans rebalance since %s", terrstr());
|
|
return -1;
|
|
}
|
|
if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) {
|
|
sdbFreeRaw(pCommitRaw);
|
|
mError("failed to prepare trans rebalance since %s", terrstr());
|
|
return -1;
|
|
}
|
|
if (sdbSetRawStatus(pCommitRaw, SDB_STATUS_READY) != 0) {
|
|
sdbFreeRaw(pCommitRaw);
|
|
mError("failed to prepare trans rebalance since %s", terrstr());
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static const char *mndGetStreamDB(SMnode *pMnode) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
SStreamObj *pStream = NULL;
|
|
void *pIter = NULL;
|
|
|
|
pIter = sdbFetch(pSdb, SDB_STREAM, pIter, (void **)&pStream);
|
|
if (pIter == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
const char *p = taosStrdup(pStream->sourceDb);
|
|
mndReleaseStream(pMnode, pStream);
|
|
sdbCancelFetch(pSdb, pIter);
|
|
return p;
|
|
}
|
|
|
|
static int32_t mndProcessStreamDoCheckpoint(SRpcMsg *pReq) {
|
|
SMnode *pMnode = pReq->info.node;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
void *pIter = NULL;
|
|
SStreamObj *pStream = NULL;
|
|
int32_t code = 0;
|
|
|
|
{ // check if the node update happens or not
|
|
int64_t ts = taosGetTimestampSec();
|
|
|
|
if (execNodeList.pNodeEntryList == NULL || (taosArrayGetSize(execNodeList.pNodeEntryList) == 0)) {
|
|
if (execNodeList.pNodeEntryList != NULL) {
|
|
execNodeList.pNodeEntryList = taosArrayDestroy(execNodeList.pNodeEntryList);
|
|
}
|
|
|
|
execNodeList.pNodeEntryList = doExtractNodeListFromStream(pMnode);
|
|
}
|
|
|
|
if (taosArrayGetSize(execNodeList.pNodeEntryList) == 0) {
|
|
mDebug("stream task node change checking done, no vgroups exist, do nothing");
|
|
execNodeList.ts = ts;
|
|
return 0;
|
|
}
|
|
|
|
for(int32_t i = 0; i < taosArrayGetSize(execNodeList.pNodeEntryList); ++i) {
|
|
SNodeEntry* pNodeEntry = taosArrayGet(execNodeList.pNodeEntryList, i);
|
|
if (pNodeEntry->stageUpdated) {
|
|
mDebug("stream task not ready due to node update detected, checkpoint not issued");
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
SArray *pNodeSnapshot = mndTakeVgroupSnapshot(pMnode);
|
|
|
|
SVgroupChangeInfo changeInfo = mndFindChangedNodeInfo(pMnode, execNodeList.pNodeEntryList, pNodeSnapshot);
|
|
bool nodeUpdated = (taosArrayGetSize(changeInfo.pUpdateNodeList) > 0);
|
|
taosArrayDestroy(changeInfo.pUpdateNodeList);
|
|
taosHashCleanup(changeInfo.pDBMap);
|
|
taosArrayDestroy(pNodeSnapshot);
|
|
|
|
if (nodeUpdated) {
|
|
mDebug("stream task not ready due to node update, checkpoint not issued");
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
{ // check if all tasks are in TASK_STATUS__NORMAL status
|
|
bool ready = true;
|
|
|
|
taosThreadMutexLock(&execNodeList.lock);
|
|
for (int32_t i = 0; i < taosArrayGetSize(execNodeList.pTaskList); ++i) {
|
|
STaskId *p = taosArrayGet(execNodeList.pTaskList, i);
|
|
STaskStatusEntry* pEntry = taosHashGet(execNodeList.pTaskMap, p, sizeof(*p));
|
|
if (pEntry == NULL) {
|
|
continue;
|
|
}
|
|
|
|
if (pEntry->status != TASK_STATUS__NORMAL) {
|
|
mDebug("s-task:0x%" PRIx64 "-0x%x (nodeId:%d) status:%s not ready, checkpoint msg not issued",
|
|
pEntry->id.streamId, (int32_t)pEntry->id.taskId, 0, streamGetTaskStatusStr(pEntry->status));
|
|
ready = false;
|
|
break;
|
|
}
|
|
}
|
|
taosThreadMutexUnlock(&execNodeList.lock);
|
|
|
|
if (!ready) {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
SMStreamDoCheckpointMsg *pMsg = (SMStreamDoCheckpointMsg *)pReq->pCont;
|
|
int64_t checkpointId = pMsg->checkpointId;
|
|
|
|
STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_DB, NULL, MND_STREAM_CHECKPOINT_NAME);
|
|
if (pTrans == NULL) {
|
|
mError("failed to trigger checkpoint, reason: %s", tstrerror(TSDB_CODE_OUT_OF_MEMORY));
|
|
return -1;
|
|
}
|
|
mDebug("start to trigger checkpoint, checkpointId: %" PRId64 "", checkpointId);
|
|
|
|
const char *pDb = mndGetStreamDB(pMnode);
|
|
mndTransSetDbName(pTrans, pDb, "checkpoint");
|
|
taosMemoryFree((void *)pDb);
|
|
|
|
if (mndTransCheckConflict(pMnode, pTrans) != 0) {
|
|
mError("failed to trigger checkpoint, checkpointId: %" PRId64 ", reason:%s", checkpointId,
|
|
tstrerror(TSDB_CODE_MND_TRANS_CONFLICT));
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
while (1) {
|
|
pIter = sdbFetch(pSdb, SDB_STREAM, pIter, (void **)&pStream);
|
|
if (pIter == NULL) break;
|
|
|
|
code = mndAddStreamCheckpointToTrans(pTrans, pStream, pMnode, checkpointId);
|
|
sdbRelease(pSdb, pStream);
|
|
if (code == -1) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (code == 0) {
|
|
if (mndTransPrepare(pMnode, pTrans) != 0) {
|
|
mError("failed to prepre trans rebalance since %s", terrstr());
|
|
}
|
|
}
|
|
|
|
mndTransDrop(pTrans);
|
|
return code;
|
|
}
|
|
|
|
static int32_t mndProcessDropStreamReq(SRpcMsg *pReq) {
|
|
SMnode *pMnode = pReq->info.node;
|
|
SStreamObj *pStream = 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);
|
|
tFreeSMDropStreamReq(&dropReq);
|
|
return 0;
|
|
} else {
|
|
terrno = TSDB_CODE_MND_STREAM_NOT_EXIST;
|
|
tFreeSMDropStreamReq(&dropReq);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (mndCheckDbPrivilegeByName(pMnode, pReq->info.conn.user, MND_OPER_WRITE_DB, pStream->targetDb) != 0) {
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
tFreeSMDropStreamReq(&dropReq);
|
|
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);
|
|
tFreeSMDropStreamReq(&dropReq);
|
|
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);
|
|
tFreeSMDropStreamReq(&dropReq);
|
|
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);
|
|
tFreeSMDropStreamReq(&dropReq);
|
|
return -1;
|
|
}
|
|
|
|
// drop stream
|
|
if (mndPersistDropStreamLog(pMnode, pTrans, pStream) < 0) {
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
mndTransDrop(pTrans);
|
|
tFreeSMDropStreamReq(&dropReq);
|
|
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);
|
|
tFreeSMDropStreamReq(&dropReq);
|
|
return -1;
|
|
}
|
|
|
|
removeStreamTasksInBuf(pStream, &execNodeList);
|
|
|
|
SName name = {0};
|
|
tNameFromString(&name, dropReq.name, T_NAME_ACCT | T_NAME_DB);
|
|
//reuse this function for stream
|
|
|
|
auditRecord(pReq, pMnode->clusterId, "dropStream", name.dbname, "", dropReq.sql, dropReq.sqlLen);
|
|
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
mndTransDrop(pTrans);
|
|
tFreeSMDropStreamReq(&dropReq);
|
|
|
|
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;
|
|
}
|
|
|
|
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++);
|
|
|
|
char idstr[128] = {0};
|
|
int32_t len = tintToHex(pTask->id.taskId, &idstr[4]);
|
|
idstr[2] = '0';
|
|
idstr[3] = 'x';
|
|
varDataSetLen(idstr, len + 2);
|
|
colDataSetVal(pColInfo, numOfRows, idstr, 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);
|
|
}
|
|
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)level, false);
|
|
|
|
// status
|
|
char status[20 + VARSTR_HEADER_SIZE] = {0};
|
|
|
|
STaskId id = {.streamId = pTask->id.streamId, .taskId = pTask->id.taskId};
|
|
STaskStatusEntry* pe = taosHashGet(execNodeList.pTaskMap, &id, sizeof(id));
|
|
if (pe == NULL) {
|
|
continue;
|
|
}
|
|
|
|
const char* pStatus = streamGetTaskStatusStr(pe->status);
|
|
STR_TO_VARSTR(status, pStatus);
|
|
|
|
// status
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)status, false);
|
|
|
|
// stage
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)&pe->stage, false);
|
|
|
|
// input queue
|
|
char vbuf[30] = {0};
|
|
char buf[25] = {0};
|
|
const char* queueInfoStr = "%.2fMiB (%.2f%, %.2fMiB)";
|
|
sprintf(buf, queueInfoStr, pe->inputQUsed, pe->inputQUsed/pe->inputQCap, pe->inputQCap);
|
|
STR_TO_VARSTR(vbuf, buf);
|
|
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char*)vbuf, false);
|
|
|
|
// output queue
|
|
sprintf(buf, queueInfoStr, pe->outputQUsed, pe->outputQUsed/pe->outputQCap, pe->outputQCap);
|
|
STR_TO_VARSTR(vbuf, buf);
|
|
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char*)vbuf, 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) {
|
|
mError("failed to malloc in pause stream, size:%" PRIzu ", code:%s", sizeof(SVPauseStreamTaskReq),
|
|
tstrerror(TSDB_CODE_OUT_OF_MEMORY));
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
return -1;
|
|
}
|
|
|
|
pReq->head.vgId = htonl(pTask->info.nodeId);
|
|
pReq->taskId = pTask->id.taskId;
|
|
pReq->streamId = pTask->id.streamId;
|
|
|
|
STransAction action = {0};
|
|
initTransAction(&action, pReq, sizeof(SVPauseStreamTaskReq), TDMT_STREAM_TASK_PAUSE, &pTask->info.epSet);
|
|
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 (mndPauseStreamTask(pTrans, pTask) < 0) {
|
|
return -1;
|
|
}
|
|
|
|
if (atomic_load_8(&pTask->status.taskStatus) != TASK_STATUS__PAUSE) {
|
|
atomic_store_8(&pTask->status.keepTaskStatus, pTask->status.taskStatus);
|
|
atomic_store_8(&pTask->status.taskStatus, TASK_STATUS__PAUSE);
|
|
}
|
|
}
|
|
}
|
|
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());
|
|
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);
|
|
return 0;
|
|
} else {
|
|
terrno = TSDB_CODE_MND_STREAM_NOT_EXIST;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (pStream->status == STREAM_STATUS__PAUSE) {
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
return 0;
|
|
}
|
|
|
|
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->streamId = pTask->id.streamId;
|
|
pReq->igUntreated = igUntreated;
|
|
|
|
STransAction action = {0};
|
|
initTransAction(&action, pReq, sizeof(SVResumeStreamTaskReq), TDMT_STREAM_TASK_RESUME, &pTask->info.epSet);
|
|
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 (mndResumeStreamTask(pTrans, pTask, igUntreated) < 0) {
|
|
return -1;
|
|
}
|
|
|
|
if (atomic_load_8(&pTask->status.taskStatus) == TASK_STATUS__PAUSE) {
|
|
atomic_store_8(&pTask->status.taskStatus, pTask->status.keepTaskStatus);
|
|
}
|
|
}
|
|
}
|
|
// 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 (pStream->status != STREAM_STATUS__PAUSE) {
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
return 0;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
static void initNodeUpdateMsg(SStreamTaskNodeUpdateMsg *pMsg, const SVgroupChangeInfo *pInfo, int64_t streamId,
|
|
int32_t taskId) {
|
|
pMsg->streamId = streamId;
|
|
pMsg->taskId = taskId;
|
|
pMsg->pNodeList = taosArrayInit(taosArrayGetSize(pInfo->pUpdateNodeList), sizeof(SNodeUpdateInfo));
|
|
taosArrayAddAll(pMsg->pNodeList, pInfo->pUpdateNodeList);
|
|
}
|
|
|
|
static int32_t doBuildStreamTaskUpdateMsg(void **pBuf, int32_t *pLen, SVgroupChangeInfo *pInfo, int32_t nodeId,
|
|
int64_t streamId, int32_t taskId) {
|
|
SStreamTaskNodeUpdateMsg req = {0};
|
|
initNodeUpdateMsg(&req, pInfo, streamId, taskId);
|
|
|
|
int32_t code = 0;
|
|
int32_t blen;
|
|
|
|
tEncodeSize(tEncodeStreamTaskUpdateMsg, &req, blen, code);
|
|
if (code < 0) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
taosArrayDestroy(req.pNodeList);
|
|
return -1;
|
|
}
|
|
|
|
int32_t tlen = sizeof(SMsgHead) + blen;
|
|
|
|
void *buf = taosMemoryMalloc(tlen);
|
|
if (buf == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
taosArrayDestroy(req.pNodeList);
|
|
return -1;
|
|
}
|
|
|
|
void *abuf = POINTER_SHIFT(buf, sizeof(SMsgHead));
|
|
SEncoder encoder;
|
|
tEncoderInit(&encoder, abuf, tlen);
|
|
tEncodeStreamTaskUpdateMsg(&encoder, &req);
|
|
|
|
SMsgHead *pMsgHead = (SMsgHead *)buf;
|
|
pMsgHead->contLen = htonl(tlen);
|
|
pMsgHead->vgId = htonl(nodeId);
|
|
|
|
tEncoderClear(&encoder);
|
|
|
|
*pBuf = buf;
|
|
*pLen = tlen;
|
|
|
|
taosArrayDestroy(req.pNodeList);
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
int32_t mndPersistTransLog(SStreamObj *pStream, STrans *pTrans) {
|
|
SSdbRaw *pCommitRaw = mndStreamActionEncode(pStream);
|
|
if (pCommitRaw == NULL) {
|
|
mError("failed to encode stream since %s", terrstr());
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) {
|
|
mError("stream trans:%d, failed to append commit log since %s", pTrans->id, terrstr());
|
|
sdbFreeRaw(pCommitRaw);
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
if (sdbSetRawStatus(pCommitRaw, SDB_STATUS_READY) != 0) {
|
|
mError("stream trans:%d failed to set raw status since %s", pTrans->id, terrstr());
|
|
sdbFreeRaw(pCommitRaw);
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void initTransAction(STransAction *pAction, void *pCont, int32_t contLen, int32_t msgType, const SEpSet *pEpset) {
|
|
pAction->epSet = *pEpset;
|
|
pAction->contLen = contLen;
|
|
pAction->pCont = pCont;
|
|
pAction->msgType = msgType;
|
|
}
|
|
|
|
// todo extract method: traverse stream tasks
|
|
// build trans to update the epset
|
|
static int32_t createStreamUpdateTrans(SMnode *pMnode, SStreamObj *pStream, SVgroupChangeInfo *pInfo) {
|
|
STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_DB, NULL, "stream-task-update");
|
|
if (pTrans == NULL) {
|
|
mError("failed to build stream task DAG update, reason: %s", tstrerror(TSDB_CODE_OUT_OF_MEMORY));
|
|
return -1;
|
|
}
|
|
|
|
mDebug("start to build stream:0x%" PRIx64 " task DAG update", pStream->uid);
|
|
|
|
mndTransSetDbName(pTrans, pStream->sourceDb, pStream->targetDb);
|
|
if (mndTransCheckConflict(pMnode, pTrans) != 0) {
|
|
mError("failed to build stream:0x%" PRIx64 " task DAG update, code:%s", pStream->uid,
|
|
tstrerror(TSDB_CODE_MND_TRANS_CONFLICT));
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
|
|
taosWLockLatch(&pStream->lock);
|
|
int32_t numOfLevels = taosArrayGetSize(pStream->tasks);
|
|
|
|
for (int32_t j = 0; j < numOfLevels; ++j) {
|
|
SArray *pLevel = taosArrayGetP(pStream->tasks, j);
|
|
|
|
int32_t numOfTasks = taosArrayGetSize(pLevel);
|
|
for (int32_t k = 0; k < numOfTasks; ++k) {
|
|
SStreamTask *pTask = taosArrayGetP(pLevel, k);
|
|
|
|
void *pBuf = NULL;
|
|
int32_t len = 0;
|
|
streamTaskUpdateEpsetInfo(pTask, pInfo->pUpdateNodeList);
|
|
doBuildStreamTaskUpdateMsg(&pBuf, &len, pInfo, pTask->info.nodeId, pTask->id.streamId, pTask->id.taskId);
|
|
|
|
STransAction action = {0};
|
|
initTransAction(&action, pBuf, len, TDMT_VND_STREAM_TASK_UPDATE, &pTask->info.epSet);
|
|
if (mndTransAppendRedoAction(pTrans, &action) != 0) {
|
|
taosMemoryFree(pBuf);
|
|
taosWUnLockLatch(&pStream->lock);
|
|
mndTransDrop(pTrans);
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
taosWUnLockLatch(&pStream->lock);
|
|
|
|
int32_t code = mndPersistTransLog(pStream, pTrans);
|
|
if (code != TSDB_CODE_SUCCESS) {
|
|
sdbRelease(pMnode->pSdb, pStream);
|
|
return -1;
|
|
}
|
|
|
|
if (mndTransPrepare(pMnode, pTrans) != 0) {
|
|
mError("trans:%d, failed to prepare update 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 bool isNodeEpsetChanged(const SEpSet *pPrevEpset, const SEpSet *pCurrent) {
|
|
const SEp *pEp = GET_ACTIVE_EP(pPrevEpset);
|
|
const SEp* p = GET_ACTIVE_EP(pCurrent);
|
|
|
|
if (pEp->port == p->port && strncmp(pEp->fqdn, p->fqdn, TSDB_FQDN_LEN) == 0) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// 1. increase the replica does not affect the stream process.
|
|
// 2. decreasing the replica may affect the stream task execution in the way that there is one or more running stream
|
|
// tasks on the will be removed replica.
|
|
// 3. vgroup redistribution is an combination operation of first increase replica and then decrease replica. So we will
|
|
// handle it as mentioned in 1 & 2 items.
|
|
static SVgroupChangeInfo mndFindChangedNodeInfo(SMnode *pMnode, const SArray *pPrevNodeList, const SArray *pNodeList) {
|
|
SVgroupChangeInfo info = {
|
|
.pUpdateNodeList = taosArrayInit(4, sizeof(SNodeUpdateInfo)),
|
|
.pDBMap = taosHashInit(32, taosGetDefaultHashFunction(TSDB_DATA_TYPE_VARCHAR), true, HASH_NO_LOCK),
|
|
};
|
|
|
|
int32_t numOfNodes = taosArrayGetSize(pPrevNodeList);
|
|
for (int32_t i = 0; i < numOfNodes; ++i) {
|
|
SNodeEntry *pPrevEntry = taosArrayGet(pPrevNodeList, i);
|
|
|
|
int32_t num = taosArrayGetSize(pNodeList);
|
|
for (int32_t j = 0; j < num; ++j) {
|
|
SNodeEntry *pCurrent = taosArrayGet(pNodeList, j);
|
|
|
|
if (pCurrent->nodeId == pPrevEntry->nodeId) {
|
|
if (pPrevEntry->stageUpdated || isNodeEpsetChanged(&pPrevEntry->epset, &pCurrent->epset)) {
|
|
const SEp *pPrevEp = GET_ACTIVE_EP(&pPrevEntry->epset);
|
|
|
|
char buf[256] = {0};
|
|
EPSET_TO_STR(&pCurrent->epset, buf);
|
|
mDebug("nodeId:%d epset changed detected, old:%s:%d -> new:%s", pCurrent->nodeId, pPrevEp->fqdn,
|
|
pPrevEp->port, buf);
|
|
|
|
SNodeUpdateInfo updateInfo = {.nodeId = pPrevEntry->nodeId};
|
|
epsetAssign(&updateInfo.prevEp, &pPrevEntry->epset);
|
|
epsetAssign(&updateInfo.newEp, &pCurrent->epset);
|
|
taosArrayPush(info.pUpdateNodeList, &updateInfo);
|
|
|
|
SVgObj *pVgroup = mndAcquireVgroup(pMnode, pCurrent->nodeId);
|
|
taosHashPut(info.pDBMap, pVgroup->dbName, strlen(pVgroup->dbName), NULL, 0);
|
|
mndReleaseVgroup(pMnode, pVgroup);
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return info;
|
|
}
|
|
|
|
static SArray *mndTakeVgroupSnapshot(SMnode *pMnode) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
void *pIter = NULL;
|
|
SVgObj *pVgroup = NULL;
|
|
|
|
SArray *pVgroupListSnapshot = taosArrayInit(4, sizeof(SNodeEntry));
|
|
|
|
while (1) {
|
|
pIter = sdbFetch(pSdb, SDB_VGROUP, pIter, (void **)&pVgroup);
|
|
if (pIter == NULL) {
|
|
break;
|
|
}
|
|
|
|
SNodeEntry entry = {0};
|
|
entry.epset = mndGetVgroupEpset(pMnode, pVgroup);
|
|
entry.nodeId = pVgroup->vgId;
|
|
entry.hbTimestamp = -1;
|
|
|
|
taosArrayPush(pVgroupListSnapshot, &entry);
|
|
sdbRelease(pSdb, pVgroup);
|
|
}
|
|
|
|
return pVgroupListSnapshot;
|
|
}
|
|
|
|
static int32_t mndProcessVgroupChange(SMnode *pMnode, SVgroupChangeInfo *pChangeInfo) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
|
|
// check all streams that involved this vnode should update the epset info
|
|
SStreamObj *pStream = NULL;
|
|
void *pIter = NULL;
|
|
while (1) {
|
|
pIter = sdbFetch(pSdb, SDB_STREAM, pIter, (void **)&pStream);
|
|
if (pIter == NULL) {
|
|
break;
|
|
}
|
|
|
|
void *p = taosHashGet(pChangeInfo->pDBMap, pStream->targetDb, strlen(pStream->targetDb));
|
|
void *p1 = taosHashGet(pChangeInfo->pDBMap, pStream->sourceDb, strlen(pStream->sourceDb));
|
|
if (p == NULL && p1 == NULL) {
|
|
mndReleaseStream(pMnode, pStream);
|
|
continue;
|
|
}
|
|
|
|
mDebug("stream:0x%" PRIx64 " involved node changed, create update trans", pStream->uid);
|
|
int32_t code = createStreamUpdateTrans(pMnode, pStream, pChangeInfo);
|
|
if (code != TSDB_CODE_SUCCESS) {
|
|
sdbCancelFetch(pSdb, pIter);
|
|
return code;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static SArray *doExtractNodeListFromStream(SMnode *pMnode) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
SStreamObj *pStream = NULL;
|
|
void *pIter = NULL;
|
|
|
|
SHashObj *pHash = taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), false, HASH_NO_LOCK);
|
|
while (1) {
|
|
pIter = sdbFetch(pSdb, SDB_STREAM, pIter, (void **)&pStream);
|
|
if (pIter == NULL) {
|
|
break;
|
|
}
|
|
|
|
taosWLockLatch(&pStream->lock);
|
|
int32_t numOfLevels = taosArrayGetSize(pStream->tasks);
|
|
|
|
for (int32_t j = 0; j < numOfLevels; ++j) {
|
|
SArray *pLevel = taosArrayGetP(pStream->tasks, j);
|
|
|
|
int32_t numOfTasks = taosArrayGetSize(pLevel);
|
|
for (int32_t k = 0; k < numOfTasks; ++k) {
|
|
SStreamTask *pTask = taosArrayGetP(pLevel, k);
|
|
SNodeEntry entry = {0};
|
|
epsetAssign(&entry.epset, &pTask->info.epSet);
|
|
entry.nodeId = pTask->info.nodeId;
|
|
entry.hbTimestamp = -1;
|
|
|
|
taosHashPut(pHash, &entry.nodeId, sizeof(entry.nodeId), &entry, sizeof(entry));
|
|
}
|
|
}
|
|
|
|
taosWUnLockLatch(&pStream->lock);
|
|
sdbRelease(pSdb, pStream);
|
|
}
|
|
|
|
SArray *plist = taosArrayInit(taosHashGetSize(pHash), sizeof(SNodeEntry));
|
|
|
|
// convert to list
|
|
pIter = NULL;
|
|
while ((pIter = taosHashIterate(pHash, pIter)) != NULL) {
|
|
SNodeEntry *pEntry = (SNodeEntry *)pIter;
|
|
taosArrayPush(plist, pEntry);
|
|
}
|
|
taosHashCleanup(pHash);
|
|
|
|
return plist;
|
|
}
|
|
|
|
static void doExtractTasksFromStream(SMnode *pMnode) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
SStreamObj *pStream = NULL;
|
|
void *pIter = NULL;
|
|
|
|
while (1) {
|
|
pIter = sdbFetch(pSdb, SDB_STREAM, pIter, (void **)&pStream);
|
|
if (pIter == NULL) {
|
|
break;
|
|
}
|
|
|
|
keepStreamTasksInBuf(pStream, &execNodeList);
|
|
sdbRelease(pSdb, pStream);
|
|
}
|
|
}
|
|
|
|
static int32_t doRemoveFromTask(SStreamExecNodeInfo* pExecNode, STaskId* pRemovedId) {
|
|
void *p = taosHashGet(pExecNode->pTaskMap, pRemovedId, sizeof(*pRemovedId));
|
|
|
|
if (p != NULL) {
|
|
taosHashRemove(pExecNode->pTaskMap, pRemovedId, sizeof(*pRemovedId));
|
|
|
|
for(int32_t k = 0; k < taosArrayGetSize(pExecNode->pTaskList); ++k) {
|
|
STaskId* pId = taosArrayGet(pExecNode->pTaskList, k);
|
|
if (pId->taskId == pRemovedId->taskId && pId->streamId == pRemovedId->streamId) {
|
|
taosArrayRemove(pExecNode->pTaskList, k);
|
|
mInfo("s-task:0x%x removed from buffer, remain:%d", (int32_t) pRemovedId->taskId,
|
|
(int32_t)taosArrayGetSize(pExecNode->pTaskList));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int32_t removeInvalidStreamTask(SArray *pNodeSnapshot) {
|
|
SArray* pRemoveTaskList = taosArrayInit(4, sizeof(STaskId));
|
|
|
|
int32_t numOfTask = taosArrayGetSize(execNodeList.pTaskList);
|
|
int32_t numOfVgroups = taosArrayGetSize(pNodeSnapshot);
|
|
for(int32_t i = 0; i < numOfTask; ++i) {
|
|
STaskId* pId = taosArrayGet(execNodeList.pTaskList, i);
|
|
STaskStatusEntry* pEntry = taosHashGet(execNodeList.pTaskMap, pId, sizeof(*pId));
|
|
|
|
bool existed = false;
|
|
for(int32_t j = 0; j < numOfVgroups; ++j) {
|
|
SNodeEntry* pNodeEntry = taosArrayGet(pNodeSnapshot, j);
|
|
if (pNodeEntry->nodeId == pEntry->nodeId) {
|
|
existed = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!existed) {
|
|
taosArrayPush(pRemoveTaskList, pId);
|
|
}
|
|
}
|
|
|
|
for(int32_t i = 0; i < taosArrayGetSize(pRemoveTaskList); ++i) {
|
|
STaskId* pId = taosArrayGet(pRemoveTaskList, i);
|
|
doRemoveFromTask(&execNodeList, pId);
|
|
}
|
|
|
|
int32_t size = taosArrayGetSize(pNodeSnapshot);
|
|
SArray* pValidNodeEntryList = taosArrayInit(4, sizeof(SNodeEntry));
|
|
for(int32_t i = 0; i < taosArrayGetSize(execNodeList.pNodeEntryList); ++i) {
|
|
SNodeEntry* pExisted = taosArrayGet(execNodeList.pNodeEntryList, i);
|
|
|
|
for(int32_t j = 0; j < size; ++j) {
|
|
SNodeEntry* pEntry = taosArrayGet(pNodeSnapshot, j);
|
|
if (pEntry->nodeId == pExisted->nodeId) {
|
|
taosArrayPush(pValidNodeEntryList, pExisted);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
execNodeList.pNodeEntryList = taosArrayDestroy(execNodeList.pNodeEntryList);
|
|
execNodeList.pNodeEntryList = pValidNodeEntryList;
|
|
|
|
taosArrayDestroy(pRemoveTaskList);
|
|
return 0;
|
|
}
|
|
|
|
// this function runs by only one thread, so it is not multi-thread safe
|
|
static int32_t mndProcessNodeCheckReq(SRpcMsg *pMsg) {
|
|
int32_t code = 0;
|
|
int32_t old = atomic_val_compare_exchange_32(&mndNodeCheckSentinel, 0, 1);
|
|
if (old != 0) {
|
|
mDebug("still in checking node change");
|
|
return 0;
|
|
}
|
|
|
|
mDebug("start to do node change checking");
|
|
int64_t ts = taosGetTimestampSec();
|
|
|
|
SMnode *pMnode = pMsg->info.node;
|
|
if (execNodeList.pNodeEntryList == NULL || (taosArrayGetSize(execNodeList.pNodeEntryList) == 0)) {
|
|
if (execNodeList.pNodeEntryList != NULL) {
|
|
execNodeList.pNodeEntryList = taosArrayDestroy(execNodeList.pNodeEntryList);
|
|
}
|
|
|
|
execNodeList.pNodeEntryList = doExtractNodeListFromStream(pMnode);
|
|
}
|
|
|
|
if (taosArrayGetSize(execNodeList.pNodeEntryList) == 0) {
|
|
mDebug("end to do stream task node change checking, no vgroup exists, do nothing");
|
|
execNodeList.ts = ts;
|
|
atomic_store_32(&mndNodeCheckSentinel, 0);
|
|
return 0;
|
|
}
|
|
|
|
SArray *pNodeSnapshot = mndTakeVgroupSnapshot(pMnode);
|
|
|
|
taosThreadMutexLock(&execNodeList.lock);
|
|
removeInvalidStreamTask(pNodeSnapshot);
|
|
|
|
SVgroupChangeInfo changeInfo = mndFindChangedNodeInfo(pMnode, execNodeList.pNodeEntryList, pNodeSnapshot);
|
|
if (taosArrayGetSize(changeInfo.pUpdateNodeList) > 0) {
|
|
code = mndProcessVgroupChange(pMnode, &changeInfo);
|
|
|
|
// keep the new vnode snapshot
|
|
if (code == TSDB_CODE_SUCCESS || code == TSDB_CODE_ACTION_IN_PROGRESS) {
|
|
mDebug("create trans successfully, update cached node list");
|
|
taosArrayDestroy(execNodeList.pNodeEntryList);
|
|
execNodeList.pNodeEntryList = pNodeSnapshot;
|
|
execNodeList.ts = ts;
|
|
}
|
|
} else {
|
|
mDebug("no update found in nodeList");
|
|
taosArrayDestroy(pNodeSnapshot);
|
|
}
|
|
|
|
taosThreadMutexUnlock(&execNodeList.lock);
|
|
taosArrayDestroy(changeInfo.pUpdateNodeList);
|
|
taosHashCleanup(changeInfo.pDBMap);
|
|
|
|
mDebug("end to do stream task node change checking");
|
|
atomic_store_32(&mndNodeCheckSentinel, 0);
|
|
return 0;
|
|
}
|
|
|
|
typedef struct SMStreamNodeCheckMsg {
|
|
int8_t holder; // // to fix windows compile error, define place holder
|
|
} SMStreamNodeCheckMsg;
|
|
|
|
static int32_t mndProcessNodeCheck(SRpcMsg *pReq) {
|
|
SMnode *pMnode = pReq->info.node;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
if (sdbGetSize(pSdb, SDB_STREAM) <= 0) {
|
|
return 0;
|
|
}
|
|
|
|
SMStreamNodeCheckMsg *pMsg = rpcMallocCont(sizeof(SMStreamNodeCheckMsg));
|
|
|
|
SRpcMsg rpcMsg = {
|
|
.msgType = TDMT_MND_STREAM_NODECHANGE_CHECK, .pCont = pMsg, .contLen = sizeof(SMStreamNodeCheckMsg)};
|
|
tmsgPutToQueue(&pMnode->msgCb, WRITE_QUEUE, &rpcMsg);
|
|
return 0;
|
|
}
|
|
|
|
void keepStreamTasksInBuf(SStreamObj *pStream, SStreamExecNodeInfo *pExecNode) {
|
|
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);
|
|
|
|
STaskId id = {.streamId = pTask->id.streamId, .taskId = pTask->id.taskId};
|
|
void *p = taosHashGet(pExecNode->pTaskMap, &id, sizeof(id));
|
|
if (p == NULL) {
|
|
STaskStatusEntry entry = {.id.streamId = pTask->id.streamId,
|
|
.id.taskId = pTask->id.taskId,
|
|
.stage = -1,
|
|
.nodeId = pTask->info.nodeId,
|
|
.status = TASK_STATUS__STOP};
|
|
taosHashPut(pExecNode->pTaskMap, &id, sizeof(id), &entry, sizeof(entry));
|
|
taosArrayPush(pExecNode->pTaskList, &id);
|
|
mInfo("s-task:0x%x add into task buffer, total:%d", (int32_t)entry.id.taskId,
|
|
(int32_t)taosArrayGetSize(pExecNode->pTaskList));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void removeStreamTasksInBuf(SStreamObj* pStream, SStreamExecNodeInfo * pExecNode) {
|
|
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);
|
|
|
|
STaskId id = {.streamId = pTask->id.streamId, .taskId = pTask->id.taskId};
|
|
void *p = taosHashGet(pExecNode->pTaskMap, &id, sizeof(id));
|
|
if (p != NULL) {
|
|
taosHashRemove(pExecNode->pTaskMap, &id, sizeof(id));
|
|
|
|
for(int32_t k = 0; k < taosArrayGetSize(pExecNode->pTaskList); ++k) {
|
|
STaskId* pId = taosArrayGet(pExecNode->pTaskList, k);
|
|
if (pId->taskId == id.taskId && pId->streamId == id.streamId) {
|
|
taosArrayRemove(pExecNode->pTaskList, k);
|
|
mInfo("s-task:0x%x removed from buffer, remain:%d", (int32_t)id.taskId,
|
|
(int32_t)taosArrayGetSize(pExecNode->pTaskList));
|
|
break;
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
ASSERT(taosHashGetSize(pExecNode->pTaskMap) == taosArrayGetSize(pExecNode->pTaskList));
|
|
}
|
|
|
|
int32_t mndProcessStreamHb(SRpcMsg *pReq) {
|
|
SMnode *pMnode = pReq->info.node;
|
|
SStreamHbMsg req = {0};
|
|
|
|
SDecoder decoder = {0};
|
|
tDecoderInit(&decoder, pReq->pCont, pReq->contLen);
|
|
|
|
if (tDecodeStreamHbMsg(&decoder, &req) < 0) {
|
|
tDecoderClear(&decoder);
|
|
terrno = TSDB_CODE_INVALID_MSG;
|
|
return -1;
|
|
}
|
|
tDecoderClear(&decoder);
|
|
|
|
mTrace("receive stream-meta hb from vgId:%d, active numOfTasks:%d", req.vgId, req.numOfTasks);
|
|
|
|
taosThreadMutexLock(&execNodeList.lock);
|
|
int32_t numOfExisted = taosHashGetSize(execNodeList.pTaskMap);
|
|
if (numOfExisted == 0) {
|
|
doExtractTasksFromStream(pMnode);
|
|
}
|
|
|
|
for (int32_t i = 0; i < req.numOfTasks; ++i) {
|
|
STaskStatusEntry *p = taosArrayGet(req.pTaskStatus, i);
|
|
STaskStatusEntry* pEntry = taosHashGet(execNodeList.pTaskMap, &p->id, sizeof(p->id));
|
|
if (pEntry == NULL) {
|
|
mError("s-task:0x%"PRIx64" not found in mnode task list", p->id.taskId);
|
|
continue;
|
|
}
|
|
|
|
if (p->stage != pEntry->stage && pEntry->stage != -1) {
|
|
int32_t numOfNodes = taosArrayGetSize(execNodeList.pNodeEntryList);
|
|
for(int32_t j = 0; j < numOfNodes; ++j) {
|
|
SNodeEntry* pNodeEntry = taosArrayGet(execNodeList.pNodeEntryList, j);
|
|
if (pNodeEntry->nodeId == pEntry->nodeId) {
|
|
mInfo("vgId:%d stage updated, from %d to %d, nodeUpdate trigger by s-task:0x%" PRIx64,
|
|
pEntry->nodeId, pEntry->stage, p->stage, pEntry->id.taskId);
|
|
|
|
pNodeEntry->stageUpdated = true;
|
|
pEntry->stage = p->stage;
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
pEntry->stage = p->stage;
|
|
pEntry->inputQUsed = p->inputQUsed;
|
|
pEntry->inputQCap = p->inputQCap;
|
|
pEntry->outputQUsed = p->outputQUsed;
|
|
pEntry->outputQCap = p->outputQCap;
|
|
pEntry->offset = p->offset;
|
|
}
|
|
|
|
pEntry->status = p->status;
|
|
if (p->status != TASK_STATUS__NORMAL) {
|
|
mDebug("received s-task:0x%"PRIx64" not in ready status:%s", p->id.taskId, streamGetTaskStatusStr(p->status));
|
|
}
|
|
}
|
|
|
|
taosThreadMutexUnlock(&execNodeList.lock);
|
|
|
|
taosArrayDestroy(req.pTaskStatus);
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|