TDengine/source/dnode/mnode/impl/src/mndStreamTrans.c
2025-04-24 09:11:54 +08:00

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4.3 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mndStream.h"
#include "mndTrans.h"
#define MAX_CHKPT_EXEC_ELAPSED (600*1000*3) // 600s
typedef struct SKeyInfo {
void *pKey;
int32_t keyLen;
} SKeyInfo;
static bool identicalName(const char *pDb, const char *pParam, int32_t len) {
return (strlen(pDb) == len) && (strncmp(pDb, pParam, len) == 0);
}
int32_t mndStreamCreateTrans(SMnode *pMnode, SStreamObj *pStream, SRpcMsg *pReq, ETrnConflct conflict, const char *name, STrans **ppTrans) {
int64_t streamId = pStream->pCreate->streamId;
int32_t code = 0;
STrans *p = mndTransCreate(pMnode, TRN_POLICY_RETRY, conflict, pReq, name);
if (p == NULL) {
mstError("failed to build trans:%s, reason: %s", name, tstrerror(terrno));
return terrno;
}
mstInfo("start to build trans %s, transId:%d", name, p->id);
mndTransSetDbName(p, pStream->pCreate->streamDB, pStream->pCreate->outTblName);
if ((code = mndTransCheckConflict(pMnode, p)) != 0) {
mstError("failed to build trans:%s for stream, code:%s", name, tstrerror(terrno));
mndTransDrop(p);
return code;
}
*ppTrans = p;
return code;
}
SSdbRaw *mndStreamActionEncode(SStreamObj *pStream) {
int32_t code = 0;
int32_t lino = 0;
void *buf = NULL;
int64_t streamId = pStream->pCreate->streamId;
SEncoder encoder;
tEncoderInit(&encoder, NULL, 0);
if ((code = tEncodeSStreamObj(&encoder, pStream)) < 0) {
tEncoderClear(&encoder);
TSDB_CHECK_CODE(code, lino, _over);
}
int32_t tlen = encoder.pos;
tEncoderClear(&encoder);
int32_t size = sizeof(int32_t) + tlen + MND_STREAM_RESERVE_SIZE;
SSdbRaw *pRaw = sdbAllocRaw(SDB_STREAM, MND_STREAM_VER_NUMBER, size);
TSDB_CHECK_NULL(pRaw, code, lino, _over, terrno);
buf = taosMemoryMalloc(tlen);
TSDB_CHECK_NULL(buf, code, lino, _over, terrno);
tEncoderInit(&encoder, buf, tlen);
if ((code = tEncodeSStreamObj(&encoder, pStream)) < 0) {
tEncoderClear(&encoder);
TSDB_CHECK_CODE(code, lino, _over);
}
tEncoderClear(&encoder);
int32_t dataPos = 0;
SDB_SET_INT32(pRaw, dataPos, tlen, _over);
SDB_SET_BINARY(pRaw, dataPos, buf, tlen, _over);
SDB_SET_DATALEN(pRaw, dataPos, _over);
_over:
taosMemoryFreeClear(buf);
if (code != TSDB_CODE_SUCCESS) {
mstError("failed to encode stream %s to raw:%p at line:%d since %s", pStream->pCreate->name, pRaw, lino, tstrerror(code));
sdbFreeRaw(pRaw);
terrno = code;
return NULL;
}
mstTrace("stream %s encoded to raw:%p", pStream->pCreate->name, pRaw);
return pRaw;
}
int32_t mndStreamTransAppend(SStreamObj *pStream, STrans *pTrans, int32_t status) {
int64_t streamId = pStream->pCreate->streamId;
SSdbRaw *pCommitRaw = mndStreamActionEncode(pStream);
if (pCommitRaw == NULL) {
mstError("failed to encode stream since %s", terrstr());
mndTransDrop(pTrans);
return terrno;
}
if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) {
mstError("stream trans:%d, failed to append commit log since %s", pTrans->id, terrstr());
sdbFreeRaw(pCommitRaw);
mndTransDrop(pTrans);
return terrno;
}
if (sdbSetRawStatus(pCommitRaw, status) != 0) {
mstError("stream trans:%d failed to set raw status:%d since %s", pTrans->id, status, terrstr());
sdbFreeRaw(pCommitRaw);
mndTransDrop(pTrans);
return terrno;
}
return 0;
}
int32_t setTransAction(STrans *pTrans, void *pCont, int32_t contLen, int32_t msgType, const SEpSet *pEpset,
int32_t retryCode, int32_t acceptCode) {
STransAction action = {.epSet = *pEpset,
.contLen = contLen,
.pCont = pCont,
.msgType = msgType,
.retryCode = retryCode,
.acceptableCode = acceptCode};
return mndTransAppendRedoAction(pTrans, &action);
}