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Merge pull request #15693 from taosdata/feature/stream 

enh(stream): directly dispatch
This commit is contained in:
Liu Jicong 2022-08-03 00:23:01 +08:00 committed by GitHub
parent 8660c9ca51 08a4a7ab0f
commit d6ce40ea3a
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
14 changed files with 712 additions and 97 deletions
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14
include/libs/stream/tstream.h
View File

@ -479,7 +479,7 @@ int32_t streamLaunchByWrite(SStreamTask* pTask, int32_t vgId);
int32_t streamSetupTrigger(SStreamTask* pTask);
int32_t streamProcessRunReq(SStreamTask* pTask);
int32_t streamProcessDispatchReq(SStreamTask* pTask, SStreamDispatchReq* pReq, SRpcMsg* pMsg);
int32_t streamProcessDispatchReq(SStreamTask* pTask, SStreamDispatchReq* pReq, SRpcMsg* pMsg, bool exec);
int32_t streamProcessDispatchRsp(SStreamTask* pTask, SStreamDispatchRsp* pRsp);
int32_t streamProcessRecoverReq(SStreamTask* pTask, SStreamTaskRecoverReq* pReq, SRpcMsg* pMsg);
int32_t streamProcessRecoverRsp(SStreamTask* pTask, SStreamTaskRecoverRsp* pRsp);
@ -487,6 +487,18 @@ int32_t streamProcessRecoverRsp(SStreamTask* pTask, SStreamTaskRecoverRsp* pRsp)
int32_t streamProcessRetrieveReq(SStreamTask* pTask, SStreamRetrieveReq* pReq, SRpcMsg* pMsg);
int32_t streamProcessRetrieveRsp(SStreamTask* pTask, SStreamRetrieveRsp* pRsp);
typedef struct SStreamMeta SStreamMeta;
SStreamMeta* streamMetaOpen();
void streamMetaClose(SStreamMeta* streamMeta);
int32_t streamMetaAddTask(SStreamMeta* pMeta, SStreamTask* pTask);
int32_t streamMetaRemoveTask(SStreamMeta* pMeta, int32_t taskId);
int32_t streamMetaBegin(SStreamMeta* pMeta);
int32_t streamMetaCommit(SStreamMeta* pMeta);
int32_t streamMetaRollBack(SStreamMeta* pMeta);
#ifdef __cplusplus
}
#endif

6
source/dnode/mgmt/mgmt_vnode/src/vmWorker.c
View File

@ -165,7 +165,11 @@ static int32_t vmPutMsgToQueue(SVnodeMgmt *pMgmt, SRpcMsg *pMsg, EQueueType qtyp
break;
case STREAM_QUEUE:
dGTrace("vgId:%d, msg:%p put into vnode-stream queue", pVnode->vgId, pMsg);
taosWriteQitem(pVnode->pStreamQ, pMsg);
if (pMsg->msgType == TDMT_STREAM_TASK_DISPATCH) {
vnodeEnqueueStreamMsg(pVnode->pImpl, pMsg);
} else {
taosWriteQitem(pVnode->pStreamQ, pMsg);
}
break;
case FETCH_QUEUE:
dGTrace("vgId:%d, msg:%p put into vnode-fetch queue", pVnode->vgId, pMsg);

11
source/dnode/snode/inc/sndInt.h
View File

@ -30,15 +30,15 @@
extern "C" {
#endif
typedef struct SSnode {
SMsgCb msgCb;
} SSnode;
#if 0
typedef struct {
SHashObj* pHash; // taskId -> SStreamTask
} SStreamMeta;
typedef struct SSnode {
SStreamMeta* pMeta;
SMsgCb msgCb;
} SSnode;
SStreamMeta* sndMetaNew();
void sndMetaDelete(SStreamMeta* pMeta);
@ -49,6 +49,7 @@ int32_t sndMetaRemoveTask(SStreamMeta* pMeta, int32_t taskId);
int32_t sndDropTaskOfStream(SStreamMeta* pMeta, int64_t streamId);
int32_t sndStopTaskOfStream(SStreamMeta* pMeta, int64_t streamId);
int32_t sndResumeTaskOfStream(SStreamMeta* pMeta, int64_t streamId);
#endif
#ifdef __cplusplus
}

12
source/dnode/snode/src/snode.c
View File

@ -16,6 +16,10 @@
#include "executor.h"
#include "sndInt.h"
#include "tuuid.h"
/*SSnode *sndOpen(const char *path, const SSnodeOpt *pOption) { return NULL; }*/
/*void sndClose(SSnode *pSnode) {}*/
int32_t sndProcessUMsg(SSnode *pSnode, SRpcMsg *pMsg) { return 0; }
int32_t sndProcessSMsg(SSnode *pSnode, SRpcMsg *pMsg) { return 0; }
SSnode *sndOpen(const char *path, const SSnodeOpt *pOption) {
SSnode *pSnode = taosMemoryCalloc(1, sizeof(SSnode));
@ -23,21 +27,24 @@ SSnode *sndOpen(const char *path, const SSnodeOpt *pOption) {
return NULL;
}
pSnode->msgCb = pOption->msgCb;
#if 0
pSnode->pMeta = sndMetaNew();
if (pSnode->pMeta == NULL) {
taosMemoryFree(pSnode);
return NULL;
}
#endif
return pSnode;
}
void sndClose(SSnode *pSnode) {
sndMetaDelete(pSnode->pMeta);
/*sndMetaDelete(pSnode->pMeta);*/
taosMemoryFree(pSnode);
}
int32_t sndGetLoad(SSnode *pSnode, SSnodeLoad *pLoad) { return 0; }
#if 0
SStreamMeta *sndMetaNew() {
SStreamMeta *pMeta = taosMemoryCalloc(1, sizeof(SStreamMeta));
if (pMeta == NULL) {
@ -151,7 +158,7 @@ static int32_t sndProcessTaskDispatchReq(SSnode *pNode, SRpcMsg *pMsg) {
.info = pMsg->info,
.code = 0,
};
streamProcessDispatchReq(pTask, &req, &rsp);
streamProcessDispatchReq(pTask, &req, &rsp, true);
return 0;
}
@ -263,3 +270,4 @@ int32_t sndProcessSMsg(SSnode *pSnode, SRpcMsg *pMsg) {
}
return 0;
}
#endif

2
source/dnode/vnode/inc/vnode.h
View File

@ -188,6 +188,8 @@ bool tqNextDataBlock(STqReader *pReader);
bool tqNextDataBlockFilterOut(STqReader *pReader, SHashObj *filterOutUids);
int32_t tqRetrieveDataBlock(SSDataBlock *pBlock, STqReader *pReader);
void vnodeEnqueueStreamMsg(SVnode *pVnode, SRpcMsg *pMsg);
// sma
int32_t smaGetTSmaDays(SVnodeCfg *pCfg, void *pCont, uint32_t contLen, int32_t *days);

24
source/dnode/vnode/src/inc/tq.h
View File

@ -115,15 +115,23 @@ typedef struct {
} STqHandle;
struct STQ {
char* path;
SHashObj* pushMgr; // consumerId -> STqHandle*
SHashObj* handles; // subKey -> STqHandle
SHashObj* pStreamTasks; // taksId -> SStreamTask
SHashObj* pAlterInfo; // topic -> SAlterCheckInfo
SVnode* pVnode;
char* path;
SHashObj* pushMgr; // consumerId -> STqHandle*
SHashObj* handles; // subKey -> STqHandle
SHashObj* pStreamTasks; // taksId -> SStreamTask
SHashObj* pAlterInfo; // topic -> SAlterCheckInfo
STqOffsetStore* pOffsetStore;
SVnode* pVnode;
TDB* pMetaStore;
TTB* pExecStore;
TDB* pMetaStore;
TTB* pExecStore;
TTB* pAlterInfoStore;
TDB* pStreamStore;
TTB* pTaskDb;
TTB* pTaskState;
};
typedef struct {

2
source/dnode/vnode/src/inc/vnodeInt.h
View File

@ -163,7 +163,7 @@ int32_t tqProcessTaskDeployReq(STQ* pTq, char* msg, int32_t msgLen);
int32_t tqProcessTaskDropReq(STQ* pTq, char* msg, int32_t msgLen);
int32_t tqProcessStreamTrigger(STQ* pTq, SSubmitReq* data, int64_t ver);
int32_t tqProcessTaskRunReq(STQ* pTq, SRpcMsg* pMsg);
int32_t tqProcessTaskDispatchReq(STQ* pTq, SRpcMsg* pMsg);
int32_t tqProcessTaskDispatchReq(STQ* pTq, SRpcMsg* pMsg, bool exec);
int32_t tqProcessTaskRecoverReq(STQ* pTq, SRpcMsg* pMsg);
int32_t tqProcessTaskDispatchRsp(STQ* pTq, SRpcMsg* pMsg);
int32_t tqProcessTaskRecoverRsp(STQ* pTq, SRpcMsg* pMsg);

120
source/dnode/vnode/src/tq/tq.c
View File

@ -280,8 +280,6 @@ static int32_t tqInitDataRsp(SMqDataRsp* pRsp, const SMqPollReq* pReq, int8_t su
return 0;
}
static int32_t tqInitMetaRsp(SMqMetaRsp* pRsp, const SMqPollReq* pReq) { return 0; }
int32_t tqProcessPollReq(STQ* pTq, SRpcMsg* pMsg) {
SMqPollReq* pReq = pMsg->pCont;
int64_t consumerId = pReq->consumerId;
@ -386,6 +384,7 @@ int32_t tqProcessPollReq(STQ* pTq, SRpcMsg* pMsg) {
}
if (pHandle->execHandle.subType != TOPIC_SUB_TYPE__COLUMN) {
ASSERT(fetchOffsetNew.type == TMQ_OFFSET__LOG);
int64_t fetchVer = fetchOffsetNew.version + 1;
pCkHead = taosMemoryMalloc(sizeof(SWalCkHead) + 2048);
if (pCkHead == NULL) {
@ -461,22 +460,6 @@ int32_t tqProcessPollReq(STQ* pTq, SRpcMsg* pMsg) {
goto OVER;
}
}
taosMemoryFree(pCkHead);
#if 0
} else if (fetchOffsetNew.type == TMQ_OFFSET__SNAPSHOT_DATA) {
tqInfo("retrieve using snapshot actual offset: uid %" PRId64 " ts %" PRId64, fetchOffsetNew.uid, fetchOffsetNew.ts);
if (tqScanSnapshot(pTq, &pHandle->execHandle, &dataRsp, fetchOffsetNew, workerId) < 0) {
ASSERT(0);
}
// 4. send rsp
if (tqSendDataRsp(pTq, pMsg, pReq, &dataRsp) < 0) {
code = -1;
}
#endif
} else if (fetchOffsetNew.type == TMQ_OFFSET__SNAPSHOT_META) {
ASSERT(0);
}
OVER:
@ -614,17 +597,8 @@ int32_t tqProcessVgChangeReq(STQ* pTq, char* msg, int32_t msgLen) {
return 0;
}
int32_t tqProcessTaskDeployReq(STQ* pTq, char* msg, int32_t msgLen) {
SStreamTask* pTask = taosMemoryCalloc(1, sizeof(SStreamTask));
if (pTask == NULL) {
return -1;
}
SDecoder decoder;
tDecoderInit(&decoder, (uint8_t*)msg, msgLen);
if (tDecodeSStreamTask(&decoder, pTask) < 0) {
ASSERT(0);
}
tDecoderClear(&decoder);
int32_t tqExpandTask(STQ* pTq, SStreamTask* pTask) {
int32_t code = 0;
ASSERT(pTask->isDataScan == 0 || pTask->isDataScan == 1);
if (pTask->isDataScan == 0 && pTask->sinkType == TASK_SINK__NONE) {
ASSERT(taosArrayGetSize(pTask->childEpInfo) != 0);
@ -634,11 +608,15 @@ int32_t tqProcessTaskDeployReq(STQ* pTq, char* msg, int32_t msgLen) {
pTask->inputQueue = streamQueueOpen();
pTask->outputQueue = streamQueueOpen();
if (pTask->inputQueue == NULL || pTask->outputQueue == NULL) {
code = -1;
goto FAIL;
}
pTask->inputStatus = TASK_INPUT_STATUS__NORMAL;
pTask->outputStatus = TASK_OUTPUT_STATUS__NORMAL;
if (pTask->inputQueue == NULL || pTask->outputQueue == NULL) goto FAIL;
pTask->pMsgCb = &pTq->pVnode->msgCb;
// exec
@ -683,15 +661,35 @@ int32_t tqProcessTaskDeployReq(STQ* pTq, char* msg, int32_t msgLen) {
tqInfo("deploy stream task on vg %d, task id %d, child id %d", TD_VID(pTq->pVnode), pTask->taskId,
pTask->selfChildId);
taosHashPut(pTq->pStreamTasks, &pTask->taskId, sizeof(int32_t), &pTask, sizeof(void*));
/*SMeta* pMeta = pTq->pVnode->pMeta;*/
/*tdbTbUpsert(pMeta->pTaskIdx, &pTask->taskId, sizeof(int32_t), msg, msgLen, &pMeta->txn);*/
return 0;
FAIL:
if (pTask->inputQueue) streamQueueClose(pTask->inputQueue);
if (pTask->outputQueue) streamQueueClose(pTask->outputQueue);
// TODO free executor
return code;
}
int32_t tqProcessTaskDeployReq(STQ* pTq, char* msg, int32_t msgLen) {
SStreamTask* pTask = taosMemoryCalloc(1, sizeof(SStreamTask));
if (pTask == NULL) {
return -1;
}
SDecoder decoder;
tDecoderInit(&decoder, (uint8_t*)msg, msgLen);
if (tDecodeSStreamTask(&decoder, pTask) < 0) {
ASSERT(0);
goto FAIL;
}
tDecoderClear(&decoder);
if (tqExpandTask(pTq, pTask) < 0) {
goto FAIL;
}
taosHashPut(pTq->pStreamTasks, &pTask->taskId, sizeof(int32_t), &pTask, sizeof(void*));
return 0;
FAIL:
if (pTask) taosMemoryFree(pTask);
return -1;
}
@ -752,7 +750,7 @@ int32_t tqProcessTaskRunReq(STQ* pTq, SRpcMsg* pMsg) {
}
}
int32_t tqProcessTaskDispatchReq(STQ* pTq, SRpcMsg* pMsg) {
int32_t tqProcessTaskDispatchReq(STQ* pTq, SRpcMsg* pMsg, bool exec) {
char* msgStr = pMsg->pCont;
char* msgBody = POINTER_SHIFT(msgStr, sizeof(SMsgHead));
int32_t msgLen = pMsg->contLen - sizeof(SMsgHead);
@ -767,7 +765,7 @@ int32_t tqProcessTaskDispatchReq(STQ* pTq, SRpcMsg* pMsg) {
.info = pMsg->info,
.code = 0,
};
streamProcessDispatchReq(*ppTask, &req, &rsp);
streamProcessDispatchReq(*ppTask, &req, &rsp, exec);
return 0;
} else {
return -1;
@ -825,16 +823,6 @@ int32_t tqProcessTaskDropReq(STQ* pTq, char* msg, int32_t msgLen) {
// launch exec to free memory
// remove from hash
return 0;
#if 0
int32_t code = taosHashRemove(pTq->pStreamTasks, &pReq->taskId, sizeof(int32_t));
// set status dropping
ASSERT(code == 0);
if (code == 0) {
// sendrsp
}
return code;
#endif
}
int32_t tqProcessTaskRetrieveReq(STQ* pTq, SRpcMsg* pMsg) {
@ -863,3 +851,37 @@ int32_t tqProcessTaskRetrieveRsp(STQ* pTq, SRpcMsg* pMsg) {
//
return 0;
}
void vnodeEnqueueStreamMsg(SVnode* pVnode, SRpcMsg* pMsg) {
STQ* pTq = pVnode->pTq;
char* msgStr = pMsg->pCont;
char* msgBody = POINTER_SHIFT(msgStr, sizeof(SMsgHead));
int32_t msgLen = pMsg->contLen - sizeof(SMsgHead);
int32_t code = 0;
SStreamDispatchReq req;
SDecoder decoder;
tDecoderInit(&decoder, msgBody, msgLen);
if (tDecodeStreamDispatchReq(&decoder, &req) < 0) {
code = TSDB_CODE_MSG_DECODE_ERROR;
goto FAIL;
}
int32_t taskId = req.taskId;
SStreamTask** ppTask = (SStreamTask**)taosHashGet(pTq->pStreamTasks, &taskId, sizeof(int32_t));
if (ppTask) {
SRpcMsg rsp = {
.info = pMsg->info,
.code = 0,
};
streamProcessDispatchReq(*ppTask, &req, &rsp, false);
return;
}
FAIL:
if (pMsg->info.handle == NULL) return;
SRpcMsg rsp = {
.code = code,
.info = pMsg->info,
};
tmsgSendRsp(&rsp);
}

209
source/dnode/vnode/src/tq/tqStreamStateSnap.c Normal file
View File

@ -0,0 +1,209 @@
/*
* 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 "meta.h"
#include "tdbInt.h"
#include "tq.h"
// STqSnapReader ========================================
struct STqSnapReader {
STQ* pTq;
int64_t sver;
int64_t ever;
TBC* pCur;
};
int32_t tqSnapReaderOpen(STQ* pTq, int64_t sver, int64_t ever, STqSnapReader** ppReader) {
int32_t code = 0;
STqSnapReader* pReader = NULL;
// alloc
pReader = (STqSnapReader*)taosMemoryCalloc(1, sizeof(STqSnapReader));
if (pReader == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
pReader->pTq = pTq;
pReader->sver = sver;
pReader->ever = ever;
// impl
code = tdbTbcOpen(pTq->pExecStore, &pReader->pCur, NULL);
if (code) {
taosMemoryFree(pReader);
goto _err;
}
code = tdbTbcMoveToFirst(pReader->pCur);
if (code) {
taosMemoryFree(pReader);
goto _err;
}
tqInfo("vgId:%d vnode snapshot tq reader opened", TD_VID(pTq->pVnode));
*ppReader = pReader;
return code;
_err:
tqError("vgId:%d vnode snapshot tq reader open failed since %s", TD_VID(pTq->pVnode), tstrerror(code));
*ppReader = NULL;
return code;
}
int32_t tqSnapReaderClose(STqSnapReader** ppReader) {
int32_t code = 0;
tdbTbcClose((*ppReader)->pCur);
taosMemoryFree(*ppReader);
*ppReader = NULL;
return code;
}
int32_t tqSnapRead(STqSnapReader* pReader, uint8_t** ppData) {
int32_t code = 0;
const void* pKey = NULL;
const void* pVal = NULL;
int32_t kLen = 0;
int32_t vLen = 0;
SDecoder decoder;
STqHandle handle;
*ppData = NULL;
for (;;) {
if (tdbTbcGet(pReader->pCur, &pKey, &kLen, &pVal, &vLen)) {
goto _exit;
}
tDecoderInit(&decoder, (uint8_t*)pVal, vLen);
tDecodeSTqHandle(&decoder, &handle);
tDecoderClear(&decoder);
if (handle.snapshotVer <= pReader->sver && handle.snapshotVer >= pReader->ever) {
tdbTbcMoveToNext(pReader->pCur);
break;
} else {
tdbTbcMoveToNext(pReader->pCur);
}
}
ASSERT(pVal && vLen);
*ppData = taosMemoryMalloc(sizeof(SSnapDataHdr) + vLen);
if (*ppData == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
SSnapDataHdr* pHdr = (SSnapDataHdr*)(*ppData);
pHdr->type = SNAP_DATA_TQ_HANDLE;
pHdr->size = vLen;
memcpy(pHdr->data, pVal, vLen);
tqInfo("vgId:%d vnode snapshot tq read data, version:%" PRId64 " subKey: %s vLen:%d", TD_VID(pReader->pTq->pVnode),
handle.snapshotVer, handle.subKey, vLen);
_exit:
return code;
_err:
tqError("vgId:%d vnode snapshot tq read data failed since %s", TD_VID(pReader->pTq->pVnode), tstrerror(code));
return code;
}
// STqSnapWriter ========================================
struct STqSnapWriter {
STQ* pTq;
int64_t sver;
int64_t ever;
TXN txn;
};
int32_t tqSnapWriterOpen(STQ* pTq, int64_t sver, int64_t ever, STqSnapWriter** ppWriter) {
int32_t code = 0;
STqSnapWriter* pWriter;
// alloc
pWriter = (STqSnapWriter*)taosMemoryCalloc(1, sizeof(*pWriter));
if (pWriter == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
pWriter->pTq = pTq;
pWriter->sver = sver;
pWriter->ever = ever;
if (tdbTxnOpen(&pWriter->txn, 0, tdbDefaultMalloc, tdbDefaultFree, NULL, 0) < 0) {
ASSERT(0);
}
*ppWriter = pWriter;
return code;
_err:
tqError("vgId:%d tq snapshot writer open failed since %s", TD_VID(pTq->pVnode), tstrerror(code));
*ppWriter = NULL;
return code;
}
int32_t tqSnapWriterClose(STqSnapWriter** ppWriter, int8_t rollback) {
int32_t code = 0;
STqSnapWriter* pWriter = *ppWriter;
STQ* pTq = pWriter->pTq;
if (rollback) {
ASSERT(0);
} else {
code = tdbCommit(pWriter->pTq->pMetaStore, &pWriter->txn);
if (code) goto _err;
}
taosMemoryFree(pWriter);
*ppWriter = NULL;
// restore from metastore
if (tqMetaRestoreHandle(pTq) < 0) {
goto _err;
}
return code;
_err:
tqError("vgId:%d tq snapshot writer close failed since %s", TD_VID(pWriter->pTq->pVnode), tstrerror(code));
return code;
}
int32_t tqSnapWrite(STqSnapWriter* pWriter, uint8_t* pData, uint32_t nData) {
int32_t code = 0;
STQ* pTq = pWriter->pTq;
SDecoder decoder = {0};
SDecoder* pDecoder = &decoder;
STqHandle handle;
tDecoderInit(pDecoder, pData + sizeof(SSnapDataHdr), nData - sizeof(SSnapDataHdr));
code = tDecodeSTqHandle(pDecoder, &handle);
if (code) goto _err;
code = tqMetaSaveHandle(pTq, handle.subKey, &handle);
if (code < 0) goto _err;
tDecoderClear(pDecoder);
return code;
_err:
tDecoderClear(pDecoder);
tqError("vgId:%d vnode snapshot tq write failed since %s", TD_VID(pTq->pVnode), tstrerror(code));
return code;
}

209
source/dnode/vnode/src/tq/tqStreamTaskSnap.c Normal file
View File

@ -0,0 +1,209 @@
/*
* 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 "meta.h"
#include "tdbInt.h"
#include "tq.h"
// STqSnapReader ========================================
struct STqSnapReader {
STQ* pTq;
int64_t sver;
int64_t ever;
TBC* pCur;
};
int32_t tqSnapReaderOpen(STQ* pTq, int64_t sver, int64_t ever, STqSnapReader** ppReader) {
int32_t code = 0;
STqSnapReader* pReader = NULL;
// alloc
pReader = (STqSnapReader*)taosMemoryCalloc(1, sizeof(STqSnapReader));
if (pReader == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
pReader->pTq = pTq;
pReader->sver = sver;
pReader->ever = ever;
// impl
code = tdbTbcOpen(pTq->pExecStore, &pReader->pCur, NULL);
if (code) {
taosMemoryFree(pReader);
goto _err;
}
code = tdbTbcMoveToFirst(pReader->pCur);
if (code) {
taosMemoryFree(pReader);
goto _err;
}
tqInfo("vgId:%d vnode snapshot tq reader opened", TD_VID(pTq->pVnode));
*ppReader = pReader;
return code;
_err:
tqError("vgId:%d vnode snapshot tq reader open failed since %s", TD_VID(pTq->pVnode), tstrerror(code));
*ppReader = NULL;
return code;
}
int32_t tqSnapReaderClose(STqSnapReader** ppReader) {
int32_t code = 0;
tdbTbcClose((*ppReader)->pCur);
taosMemoryFree(*ppReader);
*ppReader = NULL;
return code;
}
int32_t tqSnapRead(STqSnapReader* pReader, uint8_t** ppData) {
int32_t code = 0;
const void* pKey = NULL;
const void* pVal = NULL;
int32_t kLen = 0;
int32_t vLen = 0;
SDecoder decoder;
STqHandle handle;
*ppData = NULL;
for (;;) {
if (tdbTbcGet(pReader->pCur, &pKey, &kLen, &pVal, &vLen)) {
goto _exit;
}
tDecoderInit(&decoder, (uint8_t*)pVal, vLen);
tDecodeSTqHandle(&decoder, &handle);
tDecoderClear(&decoder);
if (handle.snapshotVer <= pReader->sver && handle.snapshotVer >= pReader->ever) {
tdbTbcMoveToNext(pReader->pCur);
break;
} else {
tdbTbcMoveToNext(pReader->pCur);
}
}
ASSERT(pVal && vLen);
*ppData = taosMemoryMalloc(sizeof(SSnapDataHdr) + vLen);
if (*ppData == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
SSnapDataHdr* pHdr = (SSnapDataHdr*)(*ppData);
pHdr->type = SNAP_DATA_TQ_HANDLE;
pHdr->size = vLen;
memcpy(pHdr->data, pVal, vLen);
tqInfo("vgId:%d vnode snapshot tq read data, version:%" PRId64 " subKey: %s vLen:%d", TD_VID(pReader->pTq->pVnode),
handle.snapshotVer, handle.subKey, vLen);
_exit:
return code;
_err:
tqError("vgId:%d vnode snapshot tq read data failed since %s", TD_VID(pReader->pTq->pVnode), tstrerror(code));
return code;
}
// STqSnapWriter ========================================
struct STqSnapWriter {
STQ* pTq;
int64_t sver;
int64_t ever;
TXN txn;
};
int32_t tqSnapWriterOpen(STQ* pTq, int64_t sver, int64_t ever, STqSnapWriter** ppWriter) {
int32_t code = 0;
STqSnapWriter* pWriter;
// alloc
pWriter = (STqSnapWriter*)taosMemoryCalloc(1, sizeof(*pWriter));
if (pWriter == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
pWriter->pTq = pTq;
pWriter->sver = sver;
pWriter->ever = ever;
if (tdbTxnOpen(&pWriter->txn, 0, tdbDefaultMalloc, tdbDefaultFree, NULL, 0) < 0) {
ASSERT(0);
}
*ppWriter = pWriter;
return code;
_err:
tqError("vgId:%d tq snapshot writer open failed since %s", TD_VID(pTq->pVnode), tstrerror(code));
*ppWriter = NULL;
return code;
}
int32_t tqSnapWriterClose(STqSnapWriter** ppWriter, int8_t rollback) {
int32_t code = 0;
STqSnapWriter* pWriter = *ppWriter;
STQ* pTq = pWriter->pTq;
if (rollback) {
ASSERT(0);
} else {
code = tdbCommit(pWriter->pTq->pMetaStore, &pWriter->txn);
if (code) goto _err;
}
taosMemoryFree(pWriter);
*ppWriter = NULL;
// restore from metastore
if (tqMetaRestoreHandle(pTq) < 0) {
goto _err;
}
return code;
_err:
tqError("vgId:%d tq snapshot writer close failed since %s", TD_VID(pWriter->pTq->pVnode), tstrerror(code));
return code;
}
int32_t tqSnapWrite(STqSnapWriter* pWriter, uint8_t* pData, uint32_t nData) {
int32_t code = 0;
STQ* pTq = pWriter->pTq;
SDecoder decoder = {0};
SDecoder* pDecoder = &decoder;
STqHandle handle;
tDecoderInit(pDecoder, pData + sizeof(SSnapDataHdr), nData - sizeof(SSnapDataHdr));
code = tDecodeSTqHandle(pDecoder, &handle);
if (code) goto _err;
code = tqMetaSaveHandle(pTq, handle.subKey, &handle);
if (code < 0) goto _err;
tDecoderClear(pDecoder);
return code;
_err:
tDecoderClear(pDecoder);
tqError("vgId:%d vnode snapshot tq write failed since %s", TD_VID(pTq->pVnode), tstrerror(code));
return code;
}

2
source/dnode/vnode/src/vnd/vnodeSvr.c
View File

@ -330,7 +330,7 @@ int32_t vnodeProcessFetchMsg(SVnode *pVnode, SRpcMsg *pMsg, SQueueInfo *pInfo) {
case TDMT_STREAM_TASK_RUN:
return tqProcessTaskRunReq(pVnode->pTq, pMsg);
case TDMT_STREAM_TASK_DISPATCH:
return tqProcessTaskDispatchReq(pVnode->pTq, pMsg);
return tqProcessTaskDispatchReq(pVnode->pTq, pMsg, true);
case TDMT_STREAM_TASK_RECOVER:
return tqProcessTaskRecoverReq(pVnode->pTq, pMsg);
case TDMT_STREAM_RETRIEVE:

2
source/libs/stream/CMakeLists.txt
View File

@ -8,7 +8,7 @@ target_include_directories(
target_link_libraries(
stream
PRIVATE os util transport qcom executor
PRIVATE os util transport qcom executor tdb
)
if(${BUILD_TEST})

37
source/libs/stream/src/stream.c
View File

@ -175,40 +175,21 @@ int32_t streamTaskEnqueueRetrieve(SStreamTask* pTask, SStreamRetrieveReq* pReq,
return status == TASK_INPUT_STATUS__NORMAL ? 0 : -1;
}
int32_t streamProcessDispatchReq(SStreamTask* pTask, SStreamDispatchReq* pReq, SRpcMsg* pRsp) {
int32_t streamProcessDispatchReq(SStreamTask* pTask, SStreamDispatchReq* pReq, SRpcMsg* pRsp, bool exec) {
qDebug("task %d receive dispatch req from node %d task %d", pTask->taskId, pReq->upstreamNodeId,
pReq->upstreamTaskId);
// 1. handle input
streamTaskEnqueue(pTask, pReq, pRsp);
// 2. try exec
// 2.1. idle: exec
// 2.2. executing: return
// 2.3. closing: keep trying
#if 0
if (pTask->execType != TASK_EXEC__NONE) {
#endif
streamExec(pTask);
#if 0
} else {
ASSERT(pTask->sinkType != TASK_SINK__NONE);
while (1) {
void* data = streamQueueNextItem(pTask->inputQueue);
if (data == NULL) return 0;
if (streamTaskOutput(pTask, data) < 0) {
ASSERT(0);
}
}
}
#endif
if (exec) {
streamExec(pTask);
// 3. handle output
// 3.1 check and set status
// 3.2 dispatch / sink
if (pTask->dispatchType != TASK_DISPATCH__NONE) {
ASSERT(pTask->sinkType == TASK_SINK__NONE);
streamDispatch(pTask);
if (pTask->dispatchType != TASK_DISPATCH__NONE) {
ASSERT(pTask->sinkType == TASK_SINK__NONE);
streamDispatch(pTask);
}
} else {
streamLaunchByWrite(pTask, pTask->nodeId);
}
return 0;

159
source/libs/stream/src/streamMeta.c Normal file
View File

@ -0,0 +1,159 @@
/*
* 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 "executor.h"
#include "tdbInt.h"
#include "tstream.h"
typedef int32_t FTaskExpand(void* ahandle, SStreamTask* pTask);
typedef struct SStreamMeta {
char* path;
TDB* db;
TTB* pTaskDb;
TTB* pStateDb;
SHashObj* pTasks;
void* ahandle;
TXN txn;
FTaskExpand* expandFunc;
} SStreamMeta;
SStreamMeta* streamMetaOpen(const char* path, void* ahandle, FTaskExpand expandFunc) {
SStreamMeta* pMeta = taosMemoryCalloc(1, sizeof(SStreamMeta));
if (pMeta == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
pMeta->path = strdup(path);
if (tdbOpen(pMeta->path, 16 * 1024, 1, &pMeta->db) < 0) {
goto _err;
}
if (tdbTbOpen("task.db", sizeof(int32_t), -1, NULL, pMeta->db, &pMeta->pTaskDb) < 0) {
goto _err;
}
// open state storage backend
if (tdbTbOpen("state.db", sizeof(int32_t), -1, NULL, pMeta->db, &pMeta->pStateDb) < 0) {
goto _err;
}
pMeta->ahandle = ahandle;
pMeta->expandFunc = expandFunc;
_err:
return NULL;
}
void streamMetaClose(SStreamMeta* pMeta) {
//
return;
}
int32_t streamMetaAddTask(SStreamMeta* pMeta, SStreamTask* pTask) {
void* buf = NULL;
if (pMeta->expandFunc(pMeta->ahandle, pTask) < 0) {
return -1;
}
taosHashPut(pMeta->pTasks, &pTask->taskId, sizeof(int32_t), &pTask, sizeof(void*));
int32_t len;
int32_t code;
tEncodeSize(tEncodeSStreamTask, pTask, len, code);
if (code < 0) {
return -1;
}
buf = taosMemoryCalloc(1, sizeof(len));
if (buf == NULL) {
return -1;
}
SEncoder encoder;
tEncoderInit(&encoder, buf, len);
tEncodeSStreamTask(&encoder, pTask);
if (tdbTbUpsert(pMeta->pTaskDb, &pTask->taskId, sizeof(int32_t), buf, len, &pMeta->txn) < 0) {
ASSERT(0);
return -1;
}
return 0;
}
int32_t streamMetaRemoveTask(SStreamMeta* pMeta, int32_t taskId) {
SStreamTask** ppTask = (SStreamTask**)taosHashGet(pMeta->pTasks, &taskId, sizeof(int32_t));
if (ppTask) {
SStreamTask* pTask = *ppTask;
taosHashRemove(pMeta->pTasks, &taskId, sizeof(int32_t));
atomic_store_8(&pTask->taskStatus, TASK_STATUS__DROPPING);
}
if (tdbTbDelete(pMeta->pTaskDb, &taskId, sizeof(int32_t), &pMeta->txn) < 0) {
/*return -1;*/
}
return 0;
}
int32_t streamMetaBegin(SStreamMeta* pMeta) {
if (tdbTxnOpen(&pMeta->txn, 0, tdbDefaultMalloc, tdbDefaultFree, NULL, TDB_TXN_WRITE | TDB_TXN_READ_UNCOMMITTED) <
0) {
return -1;
}
if (tdbBegin(pMeta->db, &pMeta->txn) < 0) {
return -1;
}
return 0;
}
int32_t streamMetaCommit(SStreamMeta* pMeta) {
if (tdbCommit(pMeta->db, &pMeta->txn) < 0) {
return -1;
}
return 0;
}
int32_t streamMetaRollBack(SStreamMeta* pMeta) {
// TODO tdb rollback
return 0;
}
int32_t streamRestoreTask(SStreamMeta* pMeta) {
TBC* pCur = NULL;
if (tdbTbcOpen(pMeta->pTaskDb, &pCur, NULL) < 0) {
ASSERT(0);
return -1;
}
void* pKey = NULL;
int32_t kLen = 0;
void* pVal = NULL;
int32_t vLen = 0;
SDecoder decoder;
tdbTbcMoveToFirst(pCur);
while (tdbTbcNext(pCur, &pKey, &kLen, &pVal, &vLen) == 0) {
SStreamTask* pTask = taosMemoryCalloc(1, sizeof(SStreamTask));
if (pTask == NULL) {
return -1;
}
tDecoderInit(&decoder, (uint8_t*)pVal, vLen);
tDecodeSStreamTask(&decoder, pTask);
tDecoderClear(&decoder);
}
return 0;
}