homework-jianmu/source/libs/stream/src/streamCheckpoint.c

197 lines
7.4 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/>.
*/
#if 0
#include "streamInc.h"
int32_t tEncodeSStreamCheckpointSourceReq(SEncoder* pEncoder, const SStreamCheckpointSourceReq* pReq) {
if (tStartEncode(pEncoder) < 0) return -1;
if (tEncodeI64(pEncoder, pReq->streamId) < 0) return -1;
if (tEncodeI64(pEncoder, pReq->checkpointId) < 0) return -1;
if (tEncodeI32(pEncoder, pReq->taskId) < 0) return -1;
if (tEncodeI32(pEncoder, pReq->nodeId) < 0) return -1;
if (tEncodeI64(pEncoder, pReq->expireTime) < 0) return -1;
tEndEncode(pEncoder);
return pEncoder->pos;
}
int32_t tDecodeSStreamCheckpointSourceReq(SDecoder* pDecoder, SStreamCheckpointSourceReq* pReq) {
if (tStartDecode(pDecoder) < 0) return -1;
if (tDecodeI64(pDecoder, &pReq->streamId) < 0) return -1;
if (tDecodeI64(pDecoder, &pReq->checkpointId) < 0) return -1;
if (tDecodeI32(pDecoder, &pReq->taskId) < 0) return -1;
if (tDecodeI32(pDecoder, &pReq->nodeId) < 0) return -1;
if (tDecodeI64(pDecoder, &pReq->expireTime) < 0) return -1;
tEndDecode(pDecoder);
return 0;
}
int32_t tEncodeSStreamCheckpointSourceRsp(SEncoder* pEncoder, const SStreamCheckpointSourceRsp* pRsp) {
if (tStartEncode(pEncoder) < 0) return -1;
if (tEncodeI64(pEncoder, pRsp->streamId) < 0) return -1;
if (tEncodeI64(pEncoder, pRsp->checkpointId) < 0) return -1;
if (tEncodeI32(pEncoder, pRsp->taskId) < 0) return -1;
if (tEncodeI32(pEncoder, pRsp->nodeId) < 0) return -1;
if (tEncodeI64(pEncoder, pRsp->expireTime) < 0) return -1;
tEndEncode(pEncoder);
return pEncoder->pos;
}
int32_t tDecodeSStreamCheckpointSourceRsp(SDecoder* pDecoder, SStreamCheckpointSourceRsp* pRsp) {
if (tStartDecode(pDecoder) < 0) return -1;
if (tDecodeI64(pDecoder, &pRsp->streamId) < 0) return -1;
if (tDecodeI64(pDecoder, &pRsp->checkpointId) < 0) return -1;
if (tDecodeI32(pDecoder, &pRsp->taskId) < 0) return -1;
if (tDecodeI32(pDecoder, &pRsp->nodeId) < 0) return -1;
if (tDecodeI64(pDecoder, &pRsp->expireTime) < 0) return -1;
tEndDecode(pDecoder);
return 0;
}
int32_t tEncodeSStreamCheckpointReq(SEncoder* pEncoder, const SStreamCheckpointReq* pReq) {
if (tStartEncode(pEncoder) < 0) return -1;
if (tEncodeI64(pEncoder, pReq->streamId) < 0) return -1;
if (tEncodeI64(pEncoder, pReq->checkpointId) < 0) return -1;
if (tEncodeI32(pEncoder, pReq->downstreamTaskId) < 0) return -1;
if (tEncodeI32(pEncoder, pReq->downstreamNodeId) < 0) return -1;
if (tEncodeI64(pEncoder, pReq->upstreamTaskId) < 0) return -1;
if (tEncodeI64(pEncoder, pReq->upstreamNodeId) < 0) return -1;
if (tEncodeI32(pEncoder, pReq->childId) < 0) return -1;
if (tEncodeI64(pEncoder, pReq->expireTime) < 0) return -1;
if (tEncodeI8(pEncoder, pReq->taskLevel) < 0) return -1;
tEndEncode(pEncoder);
return pEncoder->pos;
}
int32_t tDecodeSStreamCheckpointReq(SDecoder* pDecoder, SStreamCheckpointReq* pReq) {
if (tStartDecode(pDecoder) < 0) return -1;
if (tDecodeI64(pDecoder, &pReq->streamId) < 0) return -1;
if (tDecodeI64(pDecoder, &pReq->checkpointId) < 0) return -1;
if (tDecodeI32(pDecoder, &pReq->downstreamTaskId) < 0) return -1;
if (tDecodeI32(pDecoder, &pReq->downstreamNodeId) < 0) return -1;
if (tDecodeI32(pDecoder, &pReq->upstreamTaskId) < 0) return -1;
if (tDecodeI32(pDecoder, &pReq->upstreamNodeId) < 0) return -1;
if (tDecodeI32(pDecoder, &pReq->childId) < 0) return -1;
if (tDecodeI64(pDecoder, &pReq->expireTime) < 0) return -1;
if (tDecodeI8(pDecoder, &pReq->taskLevel) < 0) return -1;
tEndDecode(pDecoder);
return 0;
}
int32_t tEncodeSStreamCheckpointRsp(SEncoder* pEncoder, const SStreamCheckpointRsp* pRsp) {
if (tStartEncode(pEncoder) < 0) return -1;
if (tEncodeI64(pEncoder, pRsp->streamId) < 0) return -1;
if (tEncodeI64(pEncoder, pRsp->checkpointId) < 0) return -1;
if (tEncodeI32(pEncoder, pRsp->downstreamTaskId) < 0) return -1;
if (tEncodeI32(pEncoder, pRsp->downstreamNodeId) < 0) return -1;
if (tEncodeI64(pEncoder, pRsp->upstreamTaskId) < 0) return -1;
if (tEncodeI64(pEncoder, pRsp->upstreamNodeId) < 0) return -1;
if (tEncodeI32(pEncoder, pRsp->childId) < 0) return -1;
if (tEncodeI64(pEncoder, pRsp->expireTime) < 0) return -1;
if (tEncodeI8(pEncoder, pRsp->taskLevel) < 0) return -1;
tEndEncode(pEncoder);
return pEncoder->pos;
}
int32_t tDecodeSStreamCheckpointRsp(SDecoder* pDecoder, SStreamCheckpointRsp* pRsp) {
if (tStartDecode(pDecoder) < 0) return -1;
if (tDecodeI64(pDecoder, &pRsp->streamId) < 0) return -1;
if (tDecodeI64(pDecoder, &pRsp->checkpointId) < 0) return -1;
if (tDecodeI32(pDecoder, &pRsp->downstreamTaskId) < 0) return -1;
if (tDecodeI32(pDecoder, &pRsp->downstreamNodeId) < 0) return -1;
if (tDecodeI32(pDecoder, &pRsp->upstreamTaskId) < 0) return -1;
if (tDecodeI32(pDecoder, &pRsp->upstreamNodeId) < 0) return -1;
if (tDecodeI32(pDecoder, &pRsp->childId) < 0) return -1;
if (tDecodeI64(pDecoder, &pRsp->expireTime) < 0) return -1;
if (tDecodeI8(pDecoder, &pRsp->taskLevel) < 0) return -1;
tEndDecode(pDecoder);
return 0;
}
static int32_t streamAlignCheckpoint(SStreamTask* pTask, int64_t checkpointId, int32_t childId) {
if (pTask->checkpointingId == 0) {
pTask->checkpointingId = checkpointId;
pTask->checkpointAlignCnt = taosArrayGetSize(pTask->childEpInfo);
}
ASSERT(pTask->checkpointingId == checkpointId);
return atomic_sub_fetch_32(&pTask->checkpointAlignCnt, 1);
}
static int32_t streamDoCheckpoint(SStreamMeta* pMeta, SStreamTask* pTask, int64_t checkpointId) {
// commit tdb state
streamStateCommit(pTask->pState);
// commit non-tdb state
// copy and save new state
// report to mnode
// send checkpoint req to downstream
return 0;
}
static int32_t streamDoSourceCheckpoint(SStreamMeta* pMeta, SStreamTask* pTask, int64_t checkpointId) {
// ref wal
// set status checkpointing
// do checkpoint
return 0;
}
int32_t streamProcessCheckpointSourceReq(SStreamMeta* pMeta, SStreamTask* pTask, SStreamCheckpointSourceReq* pReq) {
int32_t code;
int64_t checkpointId = pReq->checkpointId;
code = streamDoSourceCheckpoint(pMeta, pTask, checkpointId);
if (code < 0) {
// rsp error
return -1;
}
return 0;
}
int32_t streamProcessCheckpointReq(SStreamMeta* pMeta, SStreamTask* pTask, SStreamCheckpointReq* pReq) {
int32_t code;
int64_t checkpointId = pReq->checkpointId;
int32_t childId = pReq->childId;
if (taosArrayGetSize(pTask->childEpInfo) > 0) {
code = streamAlignCheckpoint(pTask, checkpointId, childId);
if (code > 0) {
return 0;
}
if (code < 0) {
ASSERT(0);
return -1;
}
}
code = streamDoCheckpoint(pMeta, pTask, checkpointId);
if (code < 0) {
// rsp error
return -1;
}
// send rsp to all children
return 0;
}
int32_t streamProcessCheckpointRsp(SStreamMeta* pMeta, SStreamTask* pTask, SStreamCheckpointRsp* pRsp) {
// recover step2, scan from wal
// unref wal
// set status normal
return 0;
}
#endif