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homework-jianmu/source/dnode/vnode/src/tq/tq.c

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/*
* 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 "tq.h"
// 0: not init
// 1: already inited
// 2: wait to be inited or cleaup
static int32_t tqInitialize(STQ* pTq);
static FORCE_INLINE bool tqIsHandleExec(STqHandle* pHandle) { return TMQ_HANDLE_STATUS_EXEC == pHandle->status; }
static FORCE_INLINE void tqSetHandleExec(STqHandle* pHandle) { pHandle->status = TMQ_HANDLE_STATUS_EXEC; }
static FORCE_INLINE void tqSetHandleIdle(STqHandle* pHandle) { pHandle->status = TMQ_HANDLE_STATUS_IDLE; }
int32_t tqInit() {
int8_t old;
while (1) {
old = atomic_val_compare_exchange_8(&tqMgmt.inited, 0, 2);
if (old != 2) break;
}
if (old == 0) {
tqMgmt.timer = taosTmrInit(10000, 100, 10000, "TQ");
if (tqMgmt.timer == NULL) {
atomic_store_8(&tqMgmt.inited, 0);
return -1;
}
if (streamInit() < 0) {
return -1;
}
atomic_store_8(&tqMgmt.inited, 1);
}
return 0;
}
void tqCleanUp() {
int8_t old;
while (1) {
old = atomic_val_compare_exchange_8(&tqMgmt.inited, 1, 2);
if (old != 2) break;
}
if (old == 1) {
taosTmrCleanUp(tqMgmt.timer);
streamCleanUp();
atomic_store_8(&tqMgmt.inited, 0);
}
}
void tqDestroyTqHandle(void* data) {
STqHandle* pData = (STqHandle*)data;
qDestroyTask(pData->execHandle.task);
if (pData->execHandle.subType == TOPIC_SUB_TYPE__COLUMN) {
taosMemoryFreeClear(pData->execHandle.execCol.qmsg);
} else if (pData->execHandle.subType == TOPIC_SUB_TYPE__DB) {
tqReaderClose(pData->execHandle.pTqReader);
walCloseReader(pData->pWalReader);
taosHashCleanup(pData->execHandle.execDb.pFilterOutTbUid);
} else if (pData->execHandle.subType == TOPIC_SUB_TYPE__TABLE) {
walCloseReader(pData->pWalReader);
tqReaderClose(pData->execHandle.pTqReader);
taosMemoryFreeClear(pData->execHandle.execTb.qmsg);
nodesDestroyNode(pData->execHandle.execTb.node);
}
if (pData->msg != NULL) {
rpcFreeCont(pData->msg->pCont);
taosMemoryFree(pData->msg);
pData->msg = NULL;
}
}
static bool tqOffsetEqual(const STqOffset* pLeft, const STqOffset* pRight) {
return pLeft->val.type == TMQ_OFFSET__LOG && pRight->val.type == TMQ_OFFSET__LOG &&
pLeft->val.version == pRight->val.version;
}
STQ* tqOpen(const char* path, SVnode* pVnode) {
STQ* pTq = taosMemoryCalloc(1, sizeof(STQ));
if (pTq == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
pTq->path = taosStrdup(path);
pTq->pVnode = pVnode;
pTq->walLogLastVer = pVnode->pWal->vers.lastVer;
pTq->pHandle = taosHashInit(64, MurmurHash3_32, true, HASH_ENTRY_LOCK);
taosHashSetFreeFp(pTq->pHandle, tqDestroyTqHandle);
taosInitRWLatch(&pTq->lock);
pTq->pPushMgr = taosHashInit(64, MurmurHash3_32, false, HASH_NO_LOCK);
pTq->pCheckInfo = taosHashInit(64, MurmurHash3_32, true, HASH_ENTRY_LOCK);
taosHashSetFreeFp(pTq->pCheckInfo, (FDelete)tDeleteSTqCheckInfo);
int32_t code = tqInitialize(pTq);
if (code != TSDB_CODE_SUCCESS) {
tqClose(pTq);
return NULL;
} else {
return pTq;
}
}
int32_t tqInitialize(STQ* pTq) {
if (tqMetaOpen(pTq) < 0) {
return -1;
}
pTq->pOffsetStore = tqOffsetOpen(pTq);
if (pTq->pOffsetStore == NULL) {
return -1;
}
pTq->pStreamMeta = streamMetaOpen(pTq->path, pTq, (FTaskExpand*)tqExpandTask, pTq->pVnode->config.vgId);
if (pTq->pStreamMeta == NULL) {
return -1;
}
// the version is kept in task's meta data
// todo check if this version is required or not
if (streamLoadTasks(pTq->pStreamMeta, walGetCommittedVer(pTq->pVnode->pWal)) < 0) {
return -1;
}
return 0;
}
void tqClose(STQ* pTq) {
if (pTq == NULL) {
return;
}
void* pIter = taosHashIterate(pTq->pPushMgr, NULL);
while (pIter) {
STqHandle* pHandle = *(STqHandle**)pIter;
int32_t vgId = TD_VID(pTq->pVnode);
if(pHandle->msg != NULL) {
tqPushEmptyDataRsp(pHandle, vgId);
rpcFreeCont(pHandle->msg->pCont);
taosMemoryFree(pHandle->msg);
pHandle->msg = NULL;
}
pIter = taosHashIterate(pTq->pPushMgr, pIter);
}
tqOffsetClose(pTq->pOffsetStore);
taosHashCleanup(pTq->pHandle);
taosHashCleanup(pTq->pPushMgr);
taosHashCleanup(pTq->pCheckInfo);
taosMemoryFree(pTq->path);
tqMetaClose(pTq);
streamMetaClose(pTq->pStreamMeta);
taosMemoryFree(pTq);
}
static bool hasStreamTaskInTimer(SStreamMeta* pMeta) {
bool inTimer = false;
taosWLockLatch(&pMeta->lock);
void* pIter = NULL;
while(1) {
pIter = taosHashIterate(pMeta->pTasks, pIter);
if (pIter == NULL) {
break;
}
SStreamTask* pTask = *(SStreamTask**)pIter;
if (pTask->status.timerActive >= 1) {
inTimer = true;
}
}
taosWUnLockLatch(&pMeta->lock);
return inTimer;
}
void tqNotifyClose(STQ* pTq) {
if (pTq != NULL) {
taosWLockLatch(&pTq->pStreamMeta->lock);
void* pIter = NULL;
while (1) {
pIter = taosHashIterate(pTq->pStreamMeta->pTasks, pIter);
if (pIter == NULL) {
break;
}
SStreamTask* pTask = *(SStreamTask**)pIter;
tqDebug("vgId:%d s-task:%s set closing flag", pTq->pStreamMeta->vgId, pTask->id.idStr);
pTask->status.taskStatus = TASK_STATUS__STOP;
int64_t st = taosGetTimestampMs();
qKillTask(pTask->exec.pExecutor, TSDB_CODE_SUCCESS);
int64_t el = taosGetTimestampMs() - st;
tqDebug("vgId:%d s-task:%s is closed in %" PRId64 " ms", pTq->pStreamMeta->vgId, pTask->id.idStr, el);
}
taosWUnLockLatch(&pTq->pStreamMeta->lock);
tqDebug("vgId:%d start to check all tasks", pTq->pStreamMeta->vgId);
int64_t st = taosGetTimestampMs();
while(hasStreamTaskInTimer(pTq->pStreamMeta)) {
tqDebug("vgId:%d some tasks in timer, wait for 100ms and recheck", pTq->pStreamMeta->vgId);
taosMsleep(100);
}
int64_t el = taosGetTimestampMs() - st;
tqDebug("vgId:%d all stream tasks are not in timer, continue close, elapsed time:%"PRId64" ms", pTq->pStreamMeta->vgId, el);
}
}
//static int32_t doSendDataRsp(const SRpcHandleInfo* pRpcHandleInfo, const SMqDataRsp* pRsp, int32_t epoch,
// int64_t consumerId, int32_t type) {
// int32_t len = 0;
// int32_t code = 0;
//
// if (type == TMQ_MSG_TYPE__POLL_DATA_RSP) {
// tEncodeSize(tEncodeMqDataRsp, pRsp, len, code);
// } else if (type == TMQ_MSG_TYPE__POLL_DATA_META_RSP) {
// tEncodeSize(tEncodeSTaosxRsp, (STaosxRsp*)pRsp, len, code);
// }
//
// if (code < 0) {
// return -1;
// }
//
// int32_t tlen = sizeof(SMqRspHead) + len;
// void* buf = rpcMallocCont(tlen);
// if (buf == NULL) {
// return -1;
// }
//
// ((SMqRspHead*)buf)->mqMsgType = type;
// ((SMqRspHead*)buf)->epoch = epoch;
// ((SMqRspHead*)buf)->consumerId = consumerId;
//
// void* abuf = POINTER_SHIFT(buf, sizeof(SMqRspHead));
//
// SEncoder encoder = {0};
// tEncoderInit(&encoder, abuf, len);
//
// if (type == TMQ_MSG_TYPE__POLL_DATA_RSP) {
// tEncodeMqDataRsp(&encoder, pRsp);
// } else if (type == TMQ_MSG_TYPE__POLL_DATA_META_RSP) {
// tEncodeSTaosxRsp(&encoder, (STaosxRsp*)pRsp);
// }
//
// tEncoderClear(&encoder);
//
// SRpcMsg rsp = {
// .info = *pRpcHandleInfo,
// .pCont = buf,
// .contLen = tlen,
// .code = 0,
// };
//
// tmsgSendRsp(&rsp);
// return 0;
//}
int32_t tqPushEmptyDataRsp(STqHandle* pHandle, int32_t vgId) {
SMqPollReq req = {0};
if (tDeserializeSMqPollReq(pHandle->msg->pCont, pHandle->msg->contLen, &req) < 0) {
tqError("tDeserializeSMqPollReq %d failed", pHandle->msg->contLen);
terrno = TSDB_CODE_INVALID_MSG;
return -1;
}
SMqDataRsp dataRsp = {0};
tqInitDataRsp(&dataRsp, &req);
dataRsp.blockNum = 0;
dataRsp.rspOffset = dataRsp.reqOffset;
char buf[TSDB_OFFSET_LEN] = {0};
tFormatOffset(buf, TSDB_OFFSET_LEN, &dataRsp.reqOffset);
tqInfo("tqPushEmptyDataRsp to consumer:0x%"PRIx64 " vgId:%d, offset:%s, reqId:0x%" PRIx64, req.consumerId, vgId, buf, req.reqId);
tqSendDataRsp(pHandle, pHandle->msg, &req, &dataRsp, TMQ_MSG_TYPE__POLL_DATA_RSP, vgId);
tDeleteMqDataRsp(&dataRsp);
return 0;
}
//int32_t tqPushDataRsp(STqHandle* pHandle, int32_t vgId) {
// SMqDataRsp dataRsp = {0};
// dataRsp.head.consumerId = pHandle->consumerId;
// dataRsp.head.epoch = pHandle->epoch;
// dataRsp.head.mqMsgType = TMQ_MSG_TYPE__POLL_RSP;
//
// int64_t sver = 0, ever = 0;
// walReaderValidVersionRange(pHandle->execHandle.pTqReader->pWalReader, &sver, &ever);
// tqDoSendDataRsp(&pHandle->msg->info, &dataRsp, pHandle->epoch, pHandle->consumerId, TMQ_MSG_TYPE__POLL_RSP, sver,
// ever);
//
// char buf1[TSDB_OFFSET_LEN] = {0};
// char buf2[TSDB_OFFSET_LEN] = {0};
// tFormatOffset(buf1, tListLen(buf1), &dataRsp.reqOffset);
// tFormatOffset(buf2, tListLen(buf2), &dataRsp.rspOffset);
// tqDebug("vgId:%d, from consumer:0x%" PRIx64 " (epoch %d) push rsp, block num: %d, req:%s, rsp:%s", vgId,
// dataRsp.head.consumerId, dataRsp.head.epoch, dataRsp.blockNum, buf1, buf2);
// return 0;
//}
int32_t tqSendDataRsp(STqHandle* pHandle, const SRpcMsg* pMsg, const SMqPollReq* pReq, const SMqDataRsp* pRsp,
int32_t type, int32_t vgId) {
int64_t sver = 0, ever = 0;
walReaderValidVersionRange(pHandle->execHandle.pTqReader->pWalReader, &sver, &ever);
tqDoSendDataRsp(&pMsg->info, pRsp, pReq->epoch, pReq->consumerId, type, sver, ever);
char buf1[TSDB_OFFSET_LEN] = {0};
char buf2[TSDB_OFFSET_LEN] = {0};
tFormatOffset(buf1, TSDB_OFFSET_LEN, &pRsp->reqOffset);
tFormatOffset(buf2, TSDB_OFFSET_LEN, &pRsp->rspOffset);
tqDebug("tmq poll vgId:%d consumer:0x%" PRIx64 " (epoch %d) send rsp, block num:%d, req:%s, rsp:%s, reqId:0x%" PRIx64, vgId,
pReq->consumerId, pReq->epoch, pRsp->blockNum, buf1, buf2, pReq->reqId);
return 0;
}
int32_t tqProcessOffsetCommitReq(STQ* pTq, int64_t sversion, char* msg, int32_t msgLen) {
SMqVgOffset vgOffset = {0};
int32_t vgId = TD_VID(pTq->pVnode);
SDecoder decoder;
tDecoderInit(&decoder, (uint8_t*)msg, msgLen);
if (tDecodeMqVgOffset(&decoder, &vgOffset) < 0) {
return -1;
}
tDecoderClear(&decoder);
STqOffset* pOffset = &vgOffset.offset;
if (pOffset->val.type == TMQ_OFFSET__SNAPSHOT_DATA || pOffset->val.type == TMQ_OFFSET__SNAPSHOT_META) {
tqDebug("receive offset commit msg to %s on vgId:%d, offset(type:snapshot) uid:%" PRId64 ", ts:%" PRId64,
pOffset->subKey, vgId, pOffset->val.uid, pOffset->val.ts);
} else if (pOffset->val.type == TMQ_OFFSET__LOG) {
tqDebug("receive offset commit msg to %s on vgId:%d, offset(type:log) version:%" PRId64, pOffset->subKey, vgId,
pOffset->val.version);
} else {
tqError("invalid commit offset type:%d", pOffset->val.type);
return -1;
}
STqOffset* pSavedOffset = tqOffsetRead(pTq->pOffsetStore, pOffset->subKey);
if (pSavedOffset != NULL && tqOffsetEqual(pOffset, pSavedOffset)) {
tqInfo("not update the offset, vgId:%d sub:%s since committed:%" PRId64 " less than/equal to existed:%" PRId64,
vgId, pOffset->subKey, pOffset->val.version, pSavedOffset->val.version);
return 0; // no need to update the offset value
}
// save the new offset value
if (tqOffsetWrite(pTq->pOffsetStore, pOffset) < 0) {
return -1;
}
return 0;
}
int32_t tqProcessSeekReq(STQ* pTq, SRpcMsg* pMsg) {
SMqSeekReq req = {0};
int32_t vgId = TD_VID(pTq->pVnode);
SRpcMsg rsp = {.info = pMsg->info};
int code = 0;
if (tDeserializeSMqSeekReq(pMsg->pCont, pMsg->contLen, &req) < 0) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto end;
}
tqDebug("tmq seek: consumer:0x%" PRIx64 " vgId:%d, subkey %s", req.consumerId, vgId, req.subKey);
STqHandle* pHandle = taosHashGet(pTq->pHandle, req.subKey, strlen(req.subKey));
if (pHandle == NULL) {
tqWarn("tmq seek: consumer:0x%" PRIx64 " vgId:%d subkey %s not found", req.consumerId, vgId, req.subKey);
code = 0;
goto end;
}
// 2. check consumer-vg assignment status
taosRLockLatch(&pTq->lock);
if (pHandle->consumerId != req.consumerId) {
tqError("ERROR tmq seek: consumer:0x%" PRIx64 " vgId:%d, subkey %s, mismatch for saved handle consumer:0x%" PRIx64,
req.consumerId, vgId, req.subKey, pHandle->consumerId);
taosRUnLockLatch(&pTq->lock);
code = TSDB_CODE_TMQ_CONSUMER_MISMATCH;
goto end;
}
//if consumer register to push manager, push empty to consumer to change vg status from TMQ_VG_STATUS__WAIT to TMQ_VG_STATUS__IDLE,
//otherwise poll data failed after seek.
tqUnregisterPushHandle(pTq, pHandle);
taosRUnLockLatch(&pTq->lock);
end:
rsp.code = code;
tmsgSendRsp(&rsp);
return 0;
// SMqVgOffset vgOffset = {0};
// int32_t vgId = TD_VID(pTq->pVnode);
//
// SDecoder decoder;
// tDecoderInit(&decoder, (uint8_t*)msg, msgLen);
// if (tDecodeMqVgOffset(&decoder, &vgOffset) < 0) {
// tqError("vgId:%d failed to decode seek msg", vgId);
// return -1;
// }
//
// tDecoderClear(&decoder);
//
// tqDebug("topic:%s, vgId:%d process offset seek by consumer:0x%" PRIx64 ", req offset:%" PRId64,
// vgOffset.offset.subKey, vgId, vgOffset.consumerId, vgOffset.offset.val.version);
//
// STqOffset* pOffset = &vgOffset.offset;
// if (pOffset->val.type != TMQ_OFFSET__LOG) {
// tqError("vgId:%d, subKey:%s invalid seek offset type:%d", vgId, pOffset->subKey, pOffset->val.type);
// return -1;
// }
//
// STqHandle* pHandle = taosHashGet(pTq->pHandle, pOffset->subKey, strlen(pOffset->subKey));
// if (pHandle == NULL) {
// tqError("tmq seek: consumer:0x%" PRIx64 " vgId:%d subkey %s not found", vgOffset.consumerId, vgId, pOffset->subKey);
// terrno = TSDB_CODE_INVALID_MSG;
// return -1;
// }
//
// // 2. check consumer-vg assignment status
// taosRLockLatch(&pTq->lock);
// if (pHandle->consumerId != vgOffset.consumerId) {
// tqDebug("ERROR tmq seek: consumer:0x%" PRIx64 " vgId:%d, subkey %s, mismatch for saved handle consumer:0x%" PRIx64,
// vgOffset.consumerId, vgId, pOffset->subKey, pHandle->consumerId);
// terrno = TSDB_CODE_TMQ_CONSUMER_MISMATCH;
// taosRUnLockLatch(&pTq->lock);
// return -1;
// }
// taosRUnLockLatch(&pTq->lock);
//
// // 3. check the offset info
// STqOffset* pSavedOffset = tqOffsetRead(pTq->pOffsetStore, pOffset->subKey);
// if (pSavedOffset != NULL) {
// if (pSavedOffset->val.type != TMQ_OFFSET__LOG) {
// tqError("invalid saved offset type, vgId:%d sub:%s", vgId, pOffset->subKey);
// return 0; // no need to update the offset value
// }
//
// if (pSavedOffset->val.version == pOffset->val.version) {
// tqDebug("vgId:%d subKey:%s no need to seek to %" PRId64 " prev offset:%" PRId64, vgId, pOffset->subKey,
// pOffset->val.version, pSavedOffset->val.version);
// return 0;
// }
// }
//
// int64_t sver = 0, ever = 0;
// walReaderValidVersionRange(pHandle->execHandle.pTqReader->pWalReader, &sver, &ever);
// if (pOffset->val.version < sver) {
// pOffset->val.version = sver;
// } else if (pOffset->val.version > ever) {
// pOffset->val.version = ever;
// }
//
// // save the new offset value
// if (pSavedOffset != NULL) {
// tqDebug("vgId:%d sub:%s seek to:%" PRId64 " prev offset:%" PRId64, vgId, pOffset->subKey, pOffset->val.version,
// pSavedOffset->val.version);
// } else {
// tqDebug("vgId:%d sub:%s seek to:%" PRId64 " not saved yet", vgId, pOffset->subKey, pOffset->val.version);
// }
//
// if (tqOffsetWrite(pTq->pOffsetStore, pOffset) < 0) {
// tqError("failed to save offset, vgId:%d sub:%s seek to %" PRId64, vgId, pOffset->subKey, pOffset->val.version);
// return -1;
// }
//
// tqDebug("topic:%s, vgId:%d consumer:0x%" PRIx64 " offset is update to:%" PRId64, vgOffset.offset.subKey, vgId,
// vgOffset.consumerId, vgOffset.offset.val.version);
//
// return 0;
}
int32_t tqCheckColModifiable(STQ* pTq, int64_t tbUid, int32_t colId) {
void* pIter = NULL;
while (1) {
pIter = taosHashIterate(pTq->pCheckInfo, pIter);
if (pIter == NULL) {
break;
}
STqCheckInfo* pCheck = (STqCheckInfo*)pIter;
if (pCheck->ntbUid == tbUid) {
int32_t sz = taosArrayGetSize(pCheck->colIdList);
for (int32_t i = 0; i < sz; i++) {
int16_t forbidColId = *(int16_t*)taosArrayGet(pCheck->colIdList, i);
if (forbidColId == colId) {
taosHashCancelIterate(pTq->pCheckInfo, pIter);
return -1;
}
}
}
}
return 0;
}
int32_t tqProcessPollPush(STQ* pTq, SRpcMsg* pMsg) {
int32_t vgId = TD_VID(pTq->pVnode);
taosWLockLatch(&pTq->lock);
if (taosHashGetSize(pTq->pPushMgr) > 0) {
void* pIter = taosHashIterate(pTq->pPushMgr, NULL);
while (pIter) {
STqHandle* pHandle = *(STqHandle**)pIter;
tqInfo("vgId:%d start set submit for pHandle:%p, consumer:0x%" PRIx64, vgId, pHandle, pHandle->consumerId);
if (ASSERT(pHandle->msg != NULL)) {
tqError("pHandle->msg should not be null");
taosHashCancelIterate(pTq->pPushMgr, pIter);
break;
}else{
SRpcMsg msg = {.msgType = TDMT_VND_TMQ_CONSUME, .pCont = pHandle->msg->pCont, .contLen = pHandle->msg->contLen, .info = pHandle->msg->info};
tmsgPutToQueue(&pTq->pVnode->msgCb, QUERY_QUEUE, &msg);
taosMemoryFree(pHandle->msg);
pHandle->msg = NULL;
}
pIter = taosHashIterate(pTq->pPushMgr, pIter);
}
taosHashClear(pTq->pPushMgr);
}
taosWUnLockLatch(&pTq->lock);
return 0;
}
int32_t tqProcessPollReq(STQ* pTq, SRpcMsg* pMsg) {
SMqPollReq req = {0};
int code = 0;
if (tDeserializeSMqPollReq(pMsg->pCont, pMsg->contLen, &req) < 0) {
tqError("tDeserializeSMqPollReq %d failed", pMsg->contLen);
terrno = TSDB_CODE_INVALID_MSG;
return -1;
}
int64_t consumerId = req.consumerId;
int32_t reqEpoch = req.epoch;
STqOffsetVal reqOffset = req.reqOffset;
int32_t vgId = TD_VID(pTq->pVnode);
STqHandle* pHandle = NULL;
while (1) {
taosWLockLatch(&pTq->lock);
// 1. find handle
pHandle = taosHashGet(pTq->pHandle, req.subKey, strlen(req.subKey));
if (pHandle == NULL) {
do{
if (tqMetaGetHandle(pTq, req.subKey) == 0){
pHandle = taosHashGet(pTq->pHandle, req.subKey, strlen(req.subKey));
if(pHandle != NULL){
break;
}
}
tqError("tmq poll: consumer:0x%" PRIx64 " vgId:%d subkey %s not found", consumerId, vgId, req.subKey);
terrno = TSDB_CODE_INVALID_MSG;
taosWUnLockLatch(&pTq->lock);
return -1;
}while(0);
}
// 2. check re-balance status
if (pHandle->consumerId != consumerId) {
tqError("ERROR tmq poll: consumer:0x%" PRIx64
" vgId:%d, subkey %s, mismatch for saved handle consumer:0x%" PRIx64,
consumerId, TD_VID(pTq->pVnode), req.subKey, pHandle->consumerId);
terrno = TSDB_CODE_TMQ_CONSUMER_MISMATCH;
taosWUnLockLatch(&pTq->lock);
return -1;
}
bool exec = tqIsHandleExec(pHandle);
if (!exec) {
tqSetHandleExec(pHandle);
// qSetTaskCode(pHandle->execHandle.task, TDB_CODE_SUCCESS);
tqDebug("tmq poll: consumer:0x%" PRIx64 " vgId:%d, topic:%s, set handle exec, pHandle:%p", consumerId, vgId,
req.subKey, pHandle);
taosWUnLockLatch(&pTq->lock);
break;
}
taosWUnLockLatch(&pTq->lock);
tqDebug("tmq poll: consumer:0x%" PRIx64
"vgId:%d, topic:%s, subscription is executing, wait for 10ms and retry, pHandle:%p",
consumerId, vgId, req.subKey, pHandle);
taosMsleep(10);
}
// 3. update the epoch value
if (pHandle->epoch < reqEpoch) {
tqDebug("tmq poll: consumer:0x%" PRIx64 " epoch update from %d to %d by poll req", consumerId, pHandle->epoch,
reqEpoch);
pHandle->epoch = reqEpoch;
}
char buf[TSDB_OFFSET_LEN] = {0};
tFormatOffset(buf, TSDB_OFFSET_LEN, &reqOffset);
tqDebug("tmq poll: consumer:0x%" PRIx64 " (epoch %d), subkey %s, recv poll req vgId:%d, req:%s, reqId:0x%" PRIx64,
consumerId, req.epoch, pHandle->subKey, vgId, buf, req.reqId);
code = tqExtractDataForMq(pTq, pHandle, &req, pMsg);
tqSetHandleIdle(pHandle);
tqDebug("tmq poll: consumer:0x%" PRIx64 " vgId:%d, topic:%s, set handle idle, pHandle:%p", consumerId, vgId,
req.subKey, pHandle);
return code;
}
int32_t tqProcessVgCommittedInfoReq(STQ* pTq, SRpcMsg* pMsg) {
void* data = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
int32_t len = pMsg->contLen - sizeof(SMsgHead);
SMqVgOffset vgOffset = {0};
SDecoder decoder;
tDecoderInit(&decoder, (uint8_t*)data, len);
if (tDecodeMqVgOffset(&decoder, &vgOffset) < 0) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return terrno;
}
tDecoderClear(&decoder);
STqOffset* pOffset = &vgOffset.offset;
STqOffset* pSavedOffset = tqOffsetRead(pTq->pOffsetStore, pOffset->subKey);
if (pSavedOffset == NULL) {
terrno = TSDB_CODE_TMQ_NO_COMMITTED;
return terrno;
}
vgOffset.offset = *pSavedOffset;
int32_t code = 0;
tEncodeSize(tEncodeMqVgOffset, &vgOffset, len, code);
if (code < 0) {
terrno = TSDB_CODE_INVALID_PARA;
return terrno;
}
void* buf = rpcMallocCont(len);
if (buf == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return terrno;
}
SEncoder encoder;
tEncoderInit(&encoder, buf, len);
tEncodeMqVgOffset(&encoder, &vgOffset);
tEncoderClear(&encoder);
SRpcMsg rsp = {.info = pMsg->info, .pCont = buf, .contLen = len, .code = 0};
tmsgSendRsp(&rsp);
return 0;
}
int32_t tqProcessVgWalInfoReq(STQ* pTq, SRpcMsg* pMsg) {
SMqPollReq req = {0};
if (tDeserializeSMqPollReq(pMsg->pCont, pMsg->contLen, &req) < 0) {
tqError("tDeserializeSMqPollReq %d failed", pMsg->contLen);
terrno = TSDB_CODE_INVALID_MSG;
return -1;
}
int64_t consumerId = req.consumerId;
STqOffsetVal reqOffset = req.reqOffset;
int32_t vgId = TD_VID(pTq->pVnode);
// 1. find handle
STqHandle* pHandle = taosHashGet(pTq->pHandle, req.subKey, strlen(req.subKey));
if (pHandle == NULL) {
tqError("consumer:0x%" PRIx64 " vgId:%d subkey:%s not found", consumerId, vgId, req.subKey);
terrno = TSDB_CODE_INVALID_MSG;
return -1;
}
// 2. check re-balance status
taosRLockLatch(&pTq->lock);
if (pHandle->consumerId != consumerId) {
tqDebug("ERROR consumer:0x%" PRIx64 " vgId:%d, subkey %s, mismatch for saved handle consumer:0x%" PRIx64,
consumerId, vgId, req.subKey, pHandle->consumerId);
terrno = TSDB_CODE_TMQ_CONSUMER_MISMATCH;
taosRUnLockLatch(&pTq->lock);
return -1;
}
taosRUnLockLatch(&pTq->lock);
int64_t sver = 0, ever = 0;
walReaderValidVersionRange(pHandle->execHandle.pTqReader->pWalReader, &sver, &ever);
SMqDataRsp dataRsp = {0};
tqInitDataRsp(&dataRsp, &req);
if (req.useSnapshot == true) {
tqError("consumer:0x%" PRIx64 " vgId:%d subkey:%s snapshot not support wal info", consumerId, vgId, req.subKey);
terrno = TSDB_CODE_INVALID_PARA;
tDeleteMqDataRsp(&dataRsp);
return -1;
}
dataRsp.rspOffset.type = TMQ_OFFSET__LOG;
if (reqOffset.type == TMQ_OFFSET__LOG) {
dataRsp.rspOffset.version = reqOffset.version;
} else if(reqOffset.type < 0){
STqOffset* pOffset = tqOffsetRead(pTq->pOffsetStore, req.subKey);
if (pOffset != NULL) {
if (pOffset->val.type != TMQ_OFFSET__LOG) {
tqError("consumer:0x%" PRIx64 " vgId:%d subkey:%s, no valid wal info", consumerId, vgId, req.subKey);
terrno = TSDB_CODE_INVALID_PARA;
tDeleteMqDataRsp(&dataRsp);
return -1;
}
dataRsp.rspOffset.version = pOffset->val.version;
tqInfo("consumer:0x%" PRIx64 " vgId:%d subkey:%s get assignment from store:%"PRId64, consumerId, vgId, req.subKey, dataRsp.rspOffset.version);
}else{
if (reqOffset.type == TMQ_OFFSET__RESET_EARLIEST) {
dataRsp.rspOffset.version = sver; // not consume yet, set the earliest position
} else if (reqOffset.type == TMQ_OFFSET__RESET_LATEST) {
dataRsp.rspOffset.version = ever;
}
tqInfo("consumer:0x%" PRIx64 " vgId:%d subkey:%s get assignment from init:%"PRId64, consumerId, vgId, req.subKey, dataRsp.rspOffset.version);
}
} else {
tqError("consumer:0x%" PRIx64 " vgId:%d subkey:%s invalid offset type:%d", consumerId, vgId, req.subKey,
reqOffset.type);
terrno = TSDB_CODE_INVALID_PARA;
tDeleteMqDataRsp(&dataRsp);
return -1;
}
tqDoSendDataRsp(&pMsg->info, &dataRsp, req.epoch, req.consumerId, TMQ_MSG_TYPE__WALINFO_RSP, sver, ever);
tDeleteMqDataRsp(&dataRsp);
return 0;
}
int32_t tqProcessDeleteSubReq(STQ* pTq, int64_t sversion, char* msg, int32_t msgLen) {
SMqVDeleteReq* pReq = (SMqVDeleteReq*)msg;
int32_t vgId = TD_VID(pTq->pVnode);
tqInfo("vgId:%d, tq process delete sub req %s", vgId, pReq->subKey);
int32_t code = 0;
taosWLockLatch(&pTq->lock);
STqHandle* pHandle = taosHashGet(pTq->pHandle, pReq->subKey, strlen(pReq->subKey));
if (pHandle) {
while (tqIsHandleExec(pHandle)) {
tqDebug("vgId:%d, topic:%s, subscription is executing, wait for 10ms and retry, pHandle:%p", vgId,
pHandle->subKey, pHandle);
taosMsleep(10);
}
if (pHandle->pRef) {
walCloseRef(pTq->pVnode->pWal, pHandle->pRef->refId);
}
code = taosHashRemove(pTq->pHandle, pReq->subKey, strlen(pReq->subKey));
if (code != 0) {
tqError("cannot process tq delete req %s, since no such handle", pReq->subKey);
}
}
code = tqOffsetDelete(pTq->pOffsetStore, pReq->subKey);
if (code != 0) {
tqError("cannot process tq delete req %s, since no such offset in cache", pReq->subKey);
}
if (tqMetaDeleteHandle(pTq, pReq->subKey) < 0) {
tqError("cannot process tq delete req %s, since no such offset in tdb", pReq->subKey);
}
taosWUnLockLatch(&pTq->lock);
return 0;
}
int32_t tqProcessAddCheckInfoReq(STQ* pTq, int64_t sversion, char* msg, int32_t msgLen) {
STqCheckInfo info = {0};
SDecoder decoder;
tDecoderInit(&decoder, (uint8_t*)msg, msgLen);
if (tDecodeSTqCheckInfo(&decoder, &info) < 0) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
tDecoderClear(&decoder);
if (taosHashPut(pTq->pCheckInfo, info.topic, strlen(info.topic), &info, sizeof(STqCheckInfo)) < 0) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
if (tqMetaSaveCheckInfo(pTq, info.topic, msg, msgLen) < 0) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
return 0;
}
int32_t tqProcessDelCheckInfoReq(STQ* pTq, int64_t sversion, char* msg, int32_t msgLen) {
if (taosHashRemove(pTq->pCheckInfo, msg, strlen(msg)) < 0) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
if (tqMetaDeleteCheckInfo(pTq, msg) < 0) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
return 0;
}
int32_t tqProcessSubscribeReq(STQ* pTq, int64_t sversion, char* msg, int32_t msgLen) {
int ret = 0;
SMqRebVgReq req = {0};
SDecoder dc = {0};
tDecoderInit(&dc, msg, msgLen);
// decode req
if (tDecodeSMqRebVgReq(&dc, &req) < 0) {
terrno = TSDB_CODE_INVALID_MSG;
tDecoderClear(&dc);
return -1;
}
tqInfo("vgId:%d, tq process sub req:%s, Id:0x%" PRIx64 " -> Id:0x%" PRIx64, pTq->pVnode->config.vgId, req.subKey,
req.oldConsumerId, req.newConsumerId);
STqHandle* pHandle = NULL;
while(1){
pHandle = taosHashGet(pTq->pHandle, req.subKey, strlen(req.subKey));
if (pHandle || tqMetaGetHandle(pTq, req.subKey) < 0){
break;
}
}
if (pHandle == NULL) {
if (req.oldConsumerId != -1) {
tqError("vgId:%d, build new consumer handle %s for consumer:0x%" PRIx64 ", but old consumerId:0x%" PRIx64,
req.vgId, req.subKey, req.newConsumerId, req.oldConsumerId);
}
if (req.newConsumerId == -1) {
tqError("vgId:%d, tq invalid re-balance request, new consumerId %" PRId64 "", req.vgId, req.newConsumerId);
goto end;
}
STqHandle handle = {0};
ret = tqCreateHandle(pTq, &req, &handle);
if(ret < 0){
tqDestroyTqHandle(&handle);
goto end;
}
ret = tqMetaSaveHandle(pTq, req.subKey, &handle);
} else {
taosWLockLatch(&pTq->lock);
if (pHandle->consumerId == req.newConsumerId) { // do nothing
tqInfo("vgId:%d no switch consumer:0x%" PRIx64 " remains, because redo wal log", req.vgId, req.newConsumerId);
} else {
tqInfo("vgId:%d switch consumer from Id:0x%" PRIx64 " to Id:0x%" PRIx64, req.vgId, pHandle->consumerId, req.newConsumerId);
atomic_store_64(&pHandle->consumerId, req.newConsumerId);
// atomic_add_fetch_32(&pHandle->epoch, 1);
// kill executing task
// if(tqIsHandleExec(pHandle)) {
// qTaskInfo_t pTaskInfo = pHandle->execHandle.task;
// if (pTaskInfo != NULL) {
// qKillTask(pTaskInfo, TSDB_CODE_SUCCESS);
// }
// if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__COLUMN) {
// qStreamCloseTsdbReader(pTaskInfo);
// }
// }
// remove if it has been register in the push manager, and return one empty block to consumer
tqUnregisterPushHandle(pTq, pHandle);
ret = tqMetaSaveHandle(pTq, req.subKey, pHandle);
}
taosWUnLockLatch(&pTq->lock);
}
end:
tDecoderClear(&dc);
return ret;
}
void freePtr(void* ptr) { taosMemoryFree(*(void**)ptr); }
int32_t tqExpandTask(STQ* pTq, SStreamTask* pTask, int64_t ver) {
int32_t vgId = TD_VID(pTq->pVnode);
pTask->id.idStr = createStreamTaskIdStr(pTask->id.streamId, pTask->id.taskId);
pTask->refCnt = 1;
pTask->status.schedStatus = TASK_SCHED_STATUS__INACTIVE;
pTask->inputQueue = streamQueueOpen(512 << 10);
pTask->outputInfo.queue = streamQueueOpen(512 << 10);
if (pTask->inputQueue == NULL || pTask->outputInfo.queue == NULL) {
tqError("s-task:%s failed to prepare the input/output queue, initialize task failed", pTask->id.idStr);
return -1;
}
pTask->tsInfo.init = taosGetTimestampMs();
pTask->inputStatus = TASK_INPUT_STATUS__NORMAL;
pTask->outputInfo.status = TASK_OUTPUT_STATUS__NORMAL;
pTask->pMsgCb = &pTq->pVnode->msgCb;
pTask->pMeta = pTq->pStreamMeta;
// backup the initial status, and set it to be TASK_STATUS__INIT
pTask->chkInfo.version = ver;
pTask->chkInfo.currentVer = ver;
pTask->dataRange.range.maxVer = ver;
pTask->dataRange.range.minVer = ver;
if (pTask->info.taskLevel == TASK_LEVEL__SOURCE) {
SStreamTask* pSateTask = pTask;
SStreamTask task = {0};
if (pTask->info.fillHistory) {
task.id = pTask->streamTaskId;
task.pMeta = pTask->pMeta;
pSateTask = &task;
}
pTask->pState = streamStateOpen(pTq->pStreamMeta->path, pSateTask, false, -1, -1);
if (pTask->pState == NULL) {
return -1;
}
SReadHandle handle = {.vnode = pTq->pVnode,
.initTqReader = 1,
.pStateBackend = pTask->pState,
.fillHistory = pTask->info.fillHistory,
.winRange = pTask->dataRange.window};
initStorageAPI(&handle.api);
pTask->exec.pExecutor = qCreateStreamExecTaskInfo(pTask->exec.qmsg, &handle, vgId);
if (pTask->exec.pExecutor == NULL) {
return -1;
}
qSetTaskId(pTask->exec.pExecutor, pTask->id.taskId, pTask->id.streamId);
} else if (pTask->info.taskLevel == TASK_LEVEL__AGG) {
SStreamTask* pSateTask = pTask;
SStreamTask task = {0};
if (pTask->info.fillHistory) {
task.id = pTask->streamTaskId;
task.pMeta = pTask->pMeta;
pSateTask = &task;
}
pTask->pState = streamStateOpen(pTq->pStreamMeta->path, pSateTask, false, -1, -1);
if (pTask->pState == NULL) {
return -1;
}
int32_t numOfVgroups = (int32_t)taosArrayGetSize(pTask->pUpstreamEpInfoList);
SReadHandle handle = {.vnode = NULL,
.numOfVgroups = numOfVgroups,
.pStateBackend = pTask->pState,
.fillHistory = pTask->info.fillHistory,
.winRange = pTask->dataRange.window};
initStorageAPI(&handle.api);
pTask->exec.pExecutor = qCreateStreamExecTaskInfo(pTask->exec.qmsg, &handle, vgId);
if (pTask->exec.pExecutor == NULL) {
return -1;
}
qSetTaskId(pTask->exec.pExecutor, pTask->id.taskId, pTask->id.streamId);
}
// sink
if (pTask->outputInfo.type == TASK_OUTPUT__SMA) {
pTask->smaSink.vnode = pTq->pVnode;
pTask->smaSink.smaSink = smaHandleRes;
} else if (pTask->outputInfo.type == TASK_OUTPUT__TABLE) {
pTask->tbSink.vnode = pTq->pVnode;
pTask->tbSink.tbSinkFunc = tqSinkToTablePipeline;
int32_t ver1 = 1;
SMetaInfo info = {0};
int32_t code = metaGetInfo(pTq->pVnode->pMeta, pTask->tbSink.stbUid, &info, NULL);
if (code == TSDB_CODE_SUCCESS) {
ver1 = info.skmVer;
}
SSchemaWrapper* pschemaWrapper = pTask->tbSink.pSchemaWrapper;
pTask->tbSink.pTSchema = tBuildTSchema(pschemaWrapper->pSchema, pschemaWrapper->nCols, ver1);
if (pTask->tbSink.pTSchema == NULL) {
return -1;
}
pTask->tbSink.pTblInfo = tSimpleHashInit(10240, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT));
tSimpleHashSetFreeFp(pTask->tbSink.pTblInfo, freePtr);
}
if (pTask->info.taskLevel == TASK_LEVEL__SOURCE) {
SWalFilterCond cond = {.deleteMsg = 1}; // delete msg also extract from wal files
pTask->exec.pWalReader = walOpenReader(pTq->pVnode->pWal, &cond);
}
// reset the task status from unfinished transaction
if (pTask->status.taskStatus == TASK_STATUS__PAUSE) {
tqWarn("s-task:%s reset task status to be normal, kept in meta status: Paused", pTask->id.idStr);
pTask->status.taskStatus = TASK_STATUS__NORMAL;
}
taosThreadMutexInit(&pTask->lock, NULL);
streamSetupScheduleTrigger(pTask);
tqInfo("vgId:%d expand stream task, s-task:%s, checkpoint ver:%" PRId64
" child id:%d, level:%d, fill-history:%d, trigger:%" PRId64 " ms, disable pause",
vgId, pTask->id.idStr, pTask->chkInfo.version, pTask->info.selfChildId, pTask->info.taskLevel,
pTask->info.fillHistory, pTask->triggerParam);
// next valid version will add one
pTask->chkInfo.version += 1;
return 0;
}
int32_t tqProcessStreamTaskCheckReq(STQ* pTq, SRpcMsg* pMsg) {
char* msgStr = pMsg->pCont;
char* msgBody = POINTER_SHIFT(msgStr, sizeof(SMsgHead));
int32_t msgLen = pMsg->contLen - sizeof(SMsgHead);
SStreamTaskCheckReq req;
SDecoder decoder;
tDecoderInit(&decoder, (uint8_t*)msgBody, msgLen);
tDecodeStreamTaskCheckReq(&decoder, &req);
tDecoderClear(&decoder);
int32_t taskId = req.downstreamTaskId;
SStreamTaskCheckRsp rsp = {
.reqId = req.reqId,
.streamId = req.streamId,
.childId = req.childId,
.downstreamNodeId = req.downstreamNodeId,
.downstreamTaskId = req.downstreamTaskId,
.upstreamNodeId = req.upstreamNodeId,
.upstreamTaskId = req.upstreamTaskId,
};
SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, taskId);
if (pTask != NULL) {
rsp.status = streamTaskCheckStatus(pTask);
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
const char* pStatus = streamGetTaskStatusStr(pTask->status.taskStatus);
tqDebug("s-task:%s status:%s, recv task check req(reqId:0x%" PRIx64 ") task:0x%x (vgId:%d), ready:%d",
pTask->id.idStr, pStatus, rsp.reqId, rsp.upstreamTaskId, rsp.upstreamNodeId, rsp.status);
} else {
rsp.status = 0;
tqDebug("tq recv task check(taskId:0x%x not built yet) req(reqId:0x%" PRIx64 ") from task:0x%x (vgId:%d), rsp status %d",
taskId, rsp.reqId, rsp.upstreamTaskId, rsp.upstreamNodeId, rsp.status);
}
return streamSendCheckRsp(pTq->pStreamMeta, &req, &rsp, &pMsg->info, taskId);
}
int32_t tqProcessStreamTaskCheckRsp(STQ* pTq, int64_t sversion, SRpcMsg* pMsg) {
char* pReq = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
int32_t len = pMsg->contLen - sizeof(SMsgHead);
int32_t code;
SStreamTaskCheckRsp rsp;
SDecoder decoder;
tDecoderInit(&decoder, (uint8_t*)pReq, len);
code = tDecodeStreamTaskCheckRsp(&decoder, &rsp);
if (code < 0) {
tDecoderClear(&decoder);
return -1;
}
tDecoderClear(&decoder);
tqDebug("tq task:0x%x (vgId:%d) recv check rsp(reqId:0x%" PRIx64 ") from 0x%x (vgId:%d) status %d",
rsp.upstreamTaskId, rsp.upstreamNodeId, rsp.reqId, rsp.downstreamTaskId, rsp.downstreamNodeId, rsp.status);
SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, rsp.upstreamTaskId);
if (pTask == NULL) {
tqError("tq failed to locate the stream task:0x%x (vgId:%d), it may have been destroyed", rsp.upstreamTaskId,
pTq->pStreamMeta->vgId);
terrno = TSDB_CODE_STREAM_TASK_NOT_EXIST;
return -1;
}
code = streamProcessCheckRsp(pTask, &rsp);
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return code;
}
int32_t tqProcessTaskDeployReq(STQ* pTq, int64_t sversion, char* msg, int32_t msgLen) {
int32_t code = 0;
int32_t vgId = TD_VID(pTq->pVnode);
if (tsDisableStream) {
return 0;
}
// 1.deserialize msg and build task
SStreamTask* pTask = taosMemoryCalloc(1, sizeof(SStreamTask));
if (pTask == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
tqError("vgId:%d failed to create stream task due to out of memory, alloc size:%d", vgId,
(int32_t)sizeof(SStreamTask));
return -1;
}
SDecoder decoder;
tDecoderInit(&decoder, (uint8_t*)msg, msgLen);
code = tDecodeStreamTask(&decoder, pTask);
if (code < 0) {
tDecoderClear(&decoder);
taosMemoryFree(pTask);
return -1;
}
tDecoderClear(&decoder);
SStreamMeta* pStreamMeta = pTq->pStreamMeta;
// 2.save task, use the newest commit version as the initial start version of stream task.
int32_t taskId = pTask->id.taskId;
bool added = false;
taosWLockLatch(&pStreamMeta->lock);
code = streamMetaRegisterTask(pStreamMeta, sversion, pTask, &added);
int32_t numOfTasks = streamMetaGetNumOfTasks(pStreamMeta);
if (code < 0) {
tqError("vgId:%d failed to add s-task:0x%x, total:%d", vgId, pTask->id.taskId, numOfTasks);
tFreeStreamTask(pTask);
taosWUnLockLatch(&pStreamMeta->lock);
return -1;
}
// not added into meta store
if (!added) {
tqWarn("vgId:%d failed to add s-task:0x%x, already exists in meta store", vgId, taskId);
tFreeStreamTask(pTask);
pTask = NULL;
}
taosWUnLockLatch(&pStreamMeta->lock);
tqDebug("vgId:%d s-task:0x%x is deployed and add into meta, numOfTasks:%d", vgId, taskId, numOfTasks);
// 3. It's an fill history task, do nothing. wait for the main task to start it
SStreamTask* p = streamMetaAcquireTask(pStreamMeta, taskId);
if (p != NULL) { // reset the downstreamReady flag.
streamTaskCheckDownstreamTasks(p);
}
streamMetaReleaseTask(pStreamMeta, p);
return 0;
}
int32_t tqProcessTaskScanHistory(STQ* pTq, SRpcMsg* pMsg) {
SStreamScanHistoryReq* pReq = (SStreamScanHistoryReq*)pMsg->pCont;
SStreamMeta* pMeta = pTq->pStreamMeta;
int32_t code = TSDB_CODE_SUCCESS;
SStreamTask* pTask = streamMetaAcquireTask(pMeta, pReq->taskId);
if (pTask == NULL) {
tqError("vgId:%d failed to acquire stream task:0x%x during stream recover, task may have been destroyed",
pMeta->vgId, pReq->taskId);
return -1;
}
// do recovery step1
const char* id = pTask->id.idStr;
const char* pStatus = streamGetTaskStatusStr(pTask->status.taskStatus);
tqDebug("s-task:%s start scan-history stage(step 1), status:%s", id, pStatus);
if (pTask->tsInfo.step1Start == 0) {
ASSERT(pTask->status.pauseAllowed == false);
pTask->tsInfo.step1Start = taosGetTimestampMs();
if (pTask->info.fillHistory == 1) {
streamTaskEnablePause(pTask);
}
} else {
tqDebug("s-task:%s resume from paused, start ts:%"PRId64, pTask->id.idStr, pTask->tsInfo.step1Start);
}
// we have to continue retrying to successfully execute the scan history task.
int8_t schedStatus = atomic_val_compare_exchange_8(&pTask->status.schedStatus, TASK_SCHED_STATUS__INACTIVE,
TASK_SCHED_STATUS__WAITING);
if (schedStatus != TASK_SCHED_STATUS__INACTIVE) {
tqError(
"s-task:%s failed to start scan-history in first stream time window since already started, unexpected "
"sched-status:%d",
id, schedStatus);
return 0;
}
if (pTask->info.fillHistory == 1) {
ASSERT(pTask->status.pauseAllowed == true);
}
streamSourceScanHistoryData(pTask);
if (pTask->status.taskStatus == TASK_STATUS__PAUSE) {
double el = (taosGetTimestampMs() - pTask->tsInfo.step1Start) / 1000.0;
tqDebug("s-task:%s is paused in the step1, elapsed time:%.2fs, sched-status:%d", pTask->id.idStr, el,
TASK_SCHED_STATUS__INACTIVE);
atomic_store_8(&pTask->status.schedStatus, TASK_SCHED_STATUS__INACTIVE);
return 0;
}
// the following procedure should be executed, no matter status is stop/pause or not
double el = (taosGetTimestampMs() - pTask->tsInfo.step1Start) / 1000.0;
tqDebug("s-task:%s scan-history stage(step 1) ended, elapsed time:%.2fs", id, el);
if (pTask->info.fillHistory) {
SVersionRange* pRange = NULL;
SStreamTask* pStreamTask = NULL;
bool done = false;
// 1. get the related stream task
pStreamTask = streamMetaAcquireTask(pMeta, pTask->streamTaskId.taskId);
if (pStreamTask == NULL) {
// todo delete this task, if the related stream task is dropped
qError("failed to find s-task:0x%x, it may have been destroyed, drop fill-history task:%s",
pTask->streamTaskId.taskId, pTask->id.idStr);
tqDebug("s-task:%s fill-history task set status to be dropping", id);
streamMetaUnregisterTask(pMeta, pTask->id.taskId);
streamMetaReleaseTask(pMeta, pTask);
return -1;
}
ASSERT(pStreamTask->info.taskLevel == TASK_LEVEL__SOURCE);
// 2. it cannot be paused, when the stream task in TASK_STATUS__SCAN_HISTORY status. Let's wait for the
// stream task get ready for scan history data
while (pStreamTask->status.taskStatus == TASK_STATUS__SCAN_HISTORY) {
tqDebug(
"s-task:%s level:%d related stream task:%s(status:%s) not ready for halt, wait for it and recheck in 100ms",
id, pTask->info.taskLevel, pStreamTask->id.idStr, streamGetTaskStatusStr(pStreamTask->status.taskStatus));
taosMsleep(100);
}
// now we can stop the stream task execution
streamTaskHalt(pStreamTask);
tqDebug("s-task:%s level:%d sched-status:%d is halt by fill-history task:%s", pStreamTask->id.idStr,
pStreamTask->info.taskLevel, pStreamTask->status.schedStatus, id);
// if it's an source task, extract the last version in wal.
pRange = &pTask->dataRange.range;
int64_t latestVer = walReaderGetCurrentVer(pStreamTask->exec.pWalReader);
done = streamHistoryTaskSetVerRangeStep2(pTask, latestVer);
if (done) {
pTask->tsInfo.step2Start = taosGetTimestampMs();
streamTaskEndScanWAL(pTask);
streamMetaReleaseTask(pMeta, pTask);
} else {
STimeWindow* pWindow = &pTask->dataRange.window;
tqDebug("s-task:%s level:%d verRange:%" PRId64 " - %" PRId64 " window:%" PRId64 "-%" PRId64
", do secondary scan-history from WAL after halt the related stream task:%s",
id, pTask->info.taskLevel, pRange->minVer, pRange->maxVer, pWindow->skey, pWindow->ekey,
pStreamTask->id.idStr);
ASSERT(pTask->status.schedStatus == TASK_SCHED_STATUS__WAITING);
pTask->tsInfo.step2Start = taosGetTimestampMs();
streamSetParamForStreamScannerStep2(pTask, pRange, pWindow);
int64_t dstVer = pTask->dataRange.range.minVer - 1;
pTask->chkInfo.currentVer = dstVer;
walReaderSetSkipToVersion(pTask->exec.pWalReader, dstVer);
tqDebug("s-task:%s wal reader start scan WAL verRange:%" PRId64 "-%" PRId64 ", set sched-status:%d", id, dstVer,
pTask->dataRange.range.maxVer, TASK_SCHED_STATUS__INACTIVE);
atomic_store_8(&pTask->status.schedStatus, TASK_SCHED_STATUS__INACTIVE);
// set the fill-history task to be normal
if (pTask->info.fillHistory == 1) {
streamSetStatusNormal(pTask);
}
// 4. 1) transfer the ownership of executor state, 2) update the scan data range for source task.
// 5. resume the related stream task.
streamMetaReleaseTask(pMeta, pTask);
streamMetaReleaseTask(pMeta, pStreamTask);
tqStartStreamTasks(pTq);
}
} else {
// todo update the chkInfo version for current task.
// this task has an associated history stream task, so we need to scan wal from the end version of
// history scan. The current version of chkInfo.current is not updated during the history scan
STimeWindow* pWindow = &pTask->dataRange.window;
if (pTask->historyTaskId.taskId == 0) {
*pWindow = (STimeWindow){INT64_MIN, INT64_MAX};
tqDebug(
"s-task:%s scan-history in stream time window completed, no related fill-history task, reset the time "
"window:%" PRId64 " - %" PRId64,
id, pWindow->skey, pWindow->ekey);
qStreamInfoResetTimewindowFilter(pTask->exec.pExecutor);
} else {
// when related fill-history task exists, update the fill-history time window only when the
// state transfer is completed.
tqDebug(
"s-task:%s scan-history in stream time window completed, now start to handle data from WAL, start "
"ver:%" PRId64 ", window:%" PRId64 " - %" PRId64,
id, pTask->chkInfo.currentVer, pWindow->skey, pWindow->ekey);
}
// notify the downstream agg tasks that upstream tasks are ready to processing the WAL data, update the
code = streamTaskScanHistoryDataComplete(pTask);
streamMetaReleaseTask(pMeta, pTask);
// when all source task complete to scan history data in stream time window, they are allowed to handle stream data
// at the same time.
return code;
}
return 0;
}
// notify the downstream tasks to transfer executor state after handle all history blocks.
int32_t tqProcessTaskTransferStateReq(STQ* pTq, SRpcMsg* pMsg) {
char* pReq = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
int32_t len = pMsg->contLen - sizeof(SMsgHead);
SStreamTransferReq req = {0};
SDecoder decoder;
tDecoderInit(&decoder, (uint8_t*)pReq, len);
int32_t code = tDecodeStreamScanHistoryFinishReq(&decoder, &req);
tDecoderClear(&decoder);
tqDebug("vgId:%d start to process transfer state msg, from s-task:0x%x", pTq->pStreamMeta->vgId, req.downstreamTaskId);
SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, req.downstreamTaskId);
if (pTask == NULL) {
tqError("failed to find task:0x%x, it may have been dropped already. process transfer state failed", req.downstreamTaskId);
return -1;
}
int32_t remain = streamAlignTransferState(pTask);
if (remain > 0) {
tqDebug("s-task:%s receive upstream transfer state msg, remain:%d", pTask->id.idStr, remain);
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return 0;
}
// transfer the ownership of executor state
tqDebug("s-task:%s all upstream tasks send transfer msg, open transfer state flag", pTask->id.idStr);
ASSERT(pTask->streamTaskId.taskId != 0 && pTask->info.fillHistory == 1);
pTask->status.transferState = true;
streamSchedExec(pTask);
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return 0;
}
int32_t tqProcessTaskScanHistoryFinishReq(STQ* pTq, SRpcMsg* pMsg) {
char* msg = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
int32_t msgLen = pMsg->contLen - sizeof(SMsgHead);
// deserialize
SStreamScanHistoryFinishReq req = {0};
SDecoder decoder;
tDecoderInit(&decoder, (uint8_t*)msg, msgLen);
tDecodeStreamScanHistoryFinishReq(&decoder, &req);
tDecoderClear(&decoder);
SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, req.downstreamTaskId);
if (pTask == NULL) {
tqError("vgId:%d process scan history finish msg, failed to find task:0x%x, it may be destroyed",
pTq->pStreamMeta->vgId, req.downstreamTaskId);
return -1;
}
tqDebug("s-task:%s receive scan-history finish msg from task:0x%x", pTask->id.idStr, req.upstreamTaskId);
int32_t code = streamProcessScanHistoryFinishReq(pTask, &req, &pMsg->info);
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return code;
}
int32_t tqProcessTaskScanHistoryFinishRsp(STQ* pTq, SRpcMsg* pMsg) {
char* msg = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
int32_t msgLen = pMsg->contLen - sizeof(SMsgHead);
// deserialize
SStreamCompleteHistoryMsg req = {0};
SDecoder decoder;
tDecoderInit(&decoder, (uint8_t*)msg, msgLen);
tDecodeCompleteHistoryDataMsg(&decoder, &req);
tDecoderClear(&decoder);
SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, req.upstreamTaskId);
if (pTask == NULL) {
tqError("vgId:%d process scan history finish rsp, failed to find task:0x%x, it may be destroyed",
pTq->pStreamMeta->vgId, req.upstreamTaskId);
return -1;
}
int32_t remain = atomic_sub_fetch_32(&pTask->notReadyTasks, 1);
if (remain > 0) {
tqDebug("s-task:%s scan-history finish rsp received from downstream task:0x%x, remain:%d not send finish rsp",
pTask->id.idStr, req.downstreamId, remain);
} else {
tqDebug(
"s-task:%s scan-history finish rsp received from downstream task:0x%x, all downstream tasks rsp scan-history "
"completed msg", pTask->id.idStr, req.downstreamId);
streamProcessScanHistoryFinishRsp(pTask);
}
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return 0;
}
int32_t extractDelDataBlock(const void* pData, int32_t len, int64_t ver, SStreamRefDataBlock** pRefBlock) {
SDecoder* pCoder = &(SDecoder){0};
SDeleteRes* pRes = &(SDeleteRes){0};
(*pRefBlock) = NULL;
pRes->uidList = taosArrayInit(0, sizeof(tb_uid_t));
if (pRes->uidList == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
tDecoderInit(pCoder, (uint8_t*)pData, len);
tDecodeDeleteRes(pCoder, pRes);
tDecoderClear(pCoder);
int32_t numOfTables = taosArrayGetSize(pRes->uidList);
if (numOfTables == 0 || pRes->affectedRows == 0) {
taosArrayDestroy(pRes->uidList);
return TSDB_CODE_SUCCESS;
}
SSDataBlock* pDelBlock = createSpecialDataBlock(STREAM_DELETE_DATA);
blockDataEnsureCapacity(pDelBlock, numOfTables);
pDelBlock->info.rows = numOfTables;
pDelBlock->info.version = ver;
for (int32_t i = 0; i < numOfTables; i++) {
// start key column
SColumnInfoData* pStartCol = taosArrayGet(pDelBlock->pDataBlock, START_TS_COLUMN_INDEX);
colDataSetVal(pStartCol, i, (const char*)&pRes->skey, false); // end key column
SColumnInfoData* pEndCol = taosArrayGet(pDelBlock->pDataBlock, END_TS_COLUMN_INDEX);
colDataSetVal(pEndCol, i, (const char*)&pRes->ekey, false);
// uid column
SColumnInfoData* pUidCol = taosArrayGet(pDelBlock->pDataBlock, UID_COLUMN_INDEX);
int64_t* pUid = taosArrayGet(pRes->uidList, i);
colDataSetVal(pUidCol, i, (const char*)pUid, false);
colDataSetNULL(taosArrayGet(pDelBlock->pDataBlock, GROUPID_COLUMN_INDEX), i);
colDataSetNULL(taosArrayGet(pDelBlock->pDataBlock, CALCULATE_START_TS_COLUMN_INDEX), i);
colDataSetNULL(taosArrayGet(pDelBlock->pDataBlock, CALCULATE_END_TS_COLUMN_INDEX), i);
}
taosArrayDestroy(pRes->uidList);
*pRefBlock = taosAllocateQitem(sizeof(SStreamRefDataBlock), DEF_QITEM, 0);
if ((*pRefBlock) == NULL) {
return TSDB_CODE_OUT_OF_MEMORY;
}
(*pRefBlock)->type = STREAM_INPUT__REF_DATA_BLOCK;
(*pRefBlock)->pBlock = pDelBlock;
return TSDB_CODE_SUCCESS;
}
int32_t tqProcessTaskRunReq(STQ* pTq, SRpcMsg* pMsg) {
SStreamTaskRunReq* pReq = pMsg->pCont;
int32_t taskId = pReq->taskId;
int32_t vgId = TD_VID(pTq->pVnode);
if (taskId == STREAM_TASK_STATUS_CHECK_ID) {
tqStreamTasksStatusCheck(pTq);
return 0;
}
if (taskId == EXTRACT_DATA_FROM_WAL_ID) { // all tasks are extracted submit data from the wal
tqStreamTasksScanWal(pTq);
return 0;
}
SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, taskId);
if (pTask != NULL) {
// even in halt status, the data in inputQ must be processed
int8_t st = pTask->status.taskStatus;
if (st == TASK_STATUS__NORMAL || st == TASK_STATUS__SCAN_HISTORY/* || st == TASK_STATUS__SCAN_HISTORY_WAL*/) {
tqDebug("vgId:%d s-task:%s start to process block from inputQ, last chk point:%" PRId64, vgId, pTask->id.idStr,
pTask->chkInfo.version);
streamProcessRunReq(pTask);
} else {
atomic_store_8(&pTask->status.schedStatus, TASK_SCHED_STATUS__INACTIVE);
tqDebug("vgId:%d s-task:%s ignore run req since not in ready state, status:%s, sched-status:%d", vgId,
pTask->id.idStr, streamGetTaskStatusStr(pTask->status.taskStatus), pTask->status.schedStatus);
}
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
tqStartStreamTasks(pTq);
return 0;
} else {
tqError("vgId:%d failed to found s-task, taskId:%d", vgId, taskId);
return -1;
}
}
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);
SStreamDispatchReq req = {0};
SDecoder decoder;
tDecoderInit(&decoder, (uint8_t*)msgBody, msgLen);
tDecodeStreamDispatchReq(&decoder, &req);
SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, req.taskId);
if (pTask) {
SRpcMsg rsp = {.info = pMsg->info, .code = 0};
streamProcessDispatchMsg(pTask, &req, &rsp, exec);
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return 0;
} else {
tDeleteStreamDispatchReq(&req);
return -1;
}
}
int32_t tqProcessTaskDispatchRsp(STQ* pTq, SRpcMsg* pMsg) {
SStreamDispatchRsp* pRsp = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
int32_t taskId = ntohl(pRsp->upstreamTaskId);
SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, taskId);
int32_t vgId = pTq->pStreamMeta->vgId;
if (pTask) {
streamProcessDispatchRsp(pTask, pRsp, pMsg->code);
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return 0;
} else {
tqDebug("vgId:%d failed to handle the dispatch rsp, since find task:0x%x failed", vgId, taskId);
return TSDB_CODE_INVALID_MSG;
}
}
int32_t tqProcessTaskDropReq(STQ* pTq, int64_t sversion, char* msg, int32_t msgLen) {
SVDropStreamTaskReq* pReq = (SVDropStreamTaskReq*)msg;
tqDebug("vgId:%d receive msg to drop stream task:0x%x", TD_VID(pTq->pVnode), pReq->taskId);
SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, pReq->taskId);
if (pTask == NULL) {
tqError("vgId:%d failed to acquire s-task:0x%x when dropping it", pTq->pStreamMeta->vgId, pReq->taskId);
return 0;
}
streamMetaUnregisterTask(pTq->pStreamMeta, pReq->taskId);
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return 0;
}
int32_t tqProcessTaskPauseReq(STQ* pTq, int64_t sversion, char* msg, int32_t msgLen) {
SVPauseStreamTaskReq* pReq = (SVPauseStreamTaskReq*)msg;
SStreamMeta* pMeta = pTq->pStreamMeta;
SStreamTask* pTask = streamMetaAcquireTask(pMeta, pReq->taskId);
if (pTask == NULL) {
tqError("vgId:%d process pause req, failed to acquire task:0x%x, it may have been dropped already", pMeta->vgId,
pReq->taskId);
// since task is in [STOP|DROPPING] state, it is safe to assume the pause is active
return TSDB_CODE_SUCCESS;
}
tqDebug("s-task:%s receive pause msg from mnode", pTask->id.idStr);
streamTaskPause(pTask);
SStreamTask* pHistoryTask = NULL;
if (pTask->historyTaskId.taskId != 0) {
pHistoryTask = streamMetaAcquireTask(pMeta, pTask->historyTaskId.taskId);
if (pHistoryTask == NULL) {
tqError("vgId:%d process pause req, failed to acquire fill-history task:0x%x, it may have been dropped already",
pMeta->vgId, pTask->historyTaskId.taskId);
streamMetaReleaseTask(pMeta, pTask);
// since task is in [STOP|DROPPING] state, it is safe to assume the pause is active
return TSDB_CODE_SUCCESS;
}
tqDebug("s-task:%s fill-history task handle paused along with related stream task", pHistoryTask->id.idStr);
streamTaskPause(pHistoryTask);
streamMetaReleaseTask(pMeta, pHistoryTask);
}
streamMetaReleaseTask(pMeta, pTask);
return TSDB_CODE_SUCCESS;
}
int32_t tqProcessTaskResumeImpl(STQ* pTq, SStreamTask* pTask, int64_t sversion, int8_t igUntreated) {
int32_t vgId = pTq->pStreamMeta->vgId;
if (pTask == NULL) {
return -1;
}
// todo: handle the case: resume from halt to pause/ from halt to normal/ from pause to normal
streamTaskResume(pTask);
int32_t level = pTask->info.taskLevel;
int8_t status = pTask->status.taskStatus;
if (status == TASK_STATUS__NORMAL || status == TASK_STATUS__SCAN_HISTORY) {
// no lock needs to secure the access of the version
if (igUntreated && level == TASK_LEVEL__SOURCE && !pTask->info.fillHistory) {
// discard all the data when the stream task is suspended.
walReaderSetSkipToVersion(pTask->exec.pWalReader, sversion);
tqDebug("vgId:%d s-task:%s resume to exec, prev paused version:%" PRId64 ", start from vnode ver:%" PRId64
", schedStatus:%d",
vgId, pTask->id.idStr, pTask->chkInfo.currentVer, sversion, pTask->status.schedStatus);
} else { // from the previous paused version and go on
tqDebug("vgId:%d s-task:%s resume to exec, from paused ver:%" PRId64 ", vnode ver:%" PRId64 ", schedStatus:%d",
vgId, pTask->id.idStr, pTask->chkInfo.currentVer, sversion, pTask->status.schedStatus);
}
if (level == TASK_LEVEL__SOURCE && pTask->info.fillHistory && pTask->status.taskStatus == TASK_STATUS__SCAN_HISTORY) {
streamStartScanHistoryAsync(pTask, igUntreated);
} else if (level == TASK_LEVEL__SOURCE && (taosQueueItemSize(pTask->inputQueue->queue) == 0)) {
tqStartStreamTasks(pTq);
} else {
streamSchedExec(pTask);
}
}
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return 0;
}
int32_t tqProcessTaskResumeReq(STQ* pTq, int64_t sversion, char* msg, int32_t msgLen) {
SVResumeStreamTaskReq* pReq = (SVResumeStreamTaskReq*)msg;
SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, pReq->taskId);
int32_t code = tqProcessTaskResumeImpl(pTq, pTask, sversion, pReq->igUntreated);
if (code != 0) {
return code;
}
SStreamTask* pHistoryTask = streamMetaAcquireTask(pTq->pStreamMeta, pTask->historyTaskId.taskId);
if (pHistoryTask) {
code = tqProcessTaskResumeImpl(pTq, pHistoryTask, sversion, pReq->igUntreated);
}
return code;
}
int32_t tqProcessTaskRetrieveReq(STQ* pTq, SRpcMsg* pMsg) {
char* msgStr = pMsg->pCont;
char* msgBody = POINTER_SHIFT(msgStr, sizeof(SMsgHead));
int32_t msgLen = pMsg->contLen - sizeof(SMsgHead);
SDecoder decoder;
SStreamRetrieveReq req;
tDecoderInit(&decoder, (uint8_t*)msgBody, msgLen);
tDecodeStreamRetrieveReq(&decoder, &req);
tDecoderClear(&decoder);
int32_t taskId = req.dstTaskId;
SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, taskId);
if (pTask) {
SRpcMsg rsp = {.info = pMsg->info, .code = 0};
streamProcessRetrieveReq(pTask, &req, &rsp);
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
tDeleteStreamRetrieveReq(&req);
return 0;
} else {
tDeleteStreamRetrieveReq(&req);
return -1;
}
}
int32_t tqProcessTaskRetrieveRsp(STQ* pTq, SRpcMsg* pMsg) {
//
return 0;
}
int32_t vnodeEnqueueStreamMsg(SVnode* pVnode, SRpcMsg* pMsg) {
STQ* pTq = pVnode->pTq;
SMsgHead* 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, (uint8_t*)msgBody, msgLen);
if (tDecodeStreamDispatchReq(&decoder, &req) < 0) {
code = TSDB_CODE_MSG_DECODE_ERROR;
tDecoderClear(&decoder);
goto FAIL;
}
tDecoderClear(&decoder);
int32_t taskId = req.taskId;
SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, taskId);
if (pTask != NULL) {
SRpcMsg rsp = {.info = pMsg->info, .code = 0};
streamProcessDispatchMsg(pTask, &req, &rsp, false);
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
rpcFreeCont(pMsg->pCont);
taosFreeQitem(pMsg);
return 0;
} else {
tDeleteStreamDispatchReq(&req);
}
code = TSDB_CODE_STREAM_TASK_NOT_EXIST;
FAIL:
if (pMsg->info.handle == NULL) {
tqError("s-task:0x%x vgId:%d msg handle is null, abort enqueue dispatch msg", pTq->pStreamMeta->vgId, taskId);
return -1;
}
SMsgHead* pRspHead = rpcMallocCont(sizeof(SMsgHead) + sizeof(SStreamDispatchRsp));
if (pRspHead == NULL) {
SRpcMsg rsp = {.code = TSDB_CODE_OUT_OF_MEMORY, .info = pMsg->info};
tqError("s-task:0x%x send dispatch error rsp, code:%s", taskId, tstrerror(code));
tmsgSendRsp(&rsp);
rpcFreeCont(pMsg->pCont);
taosFreeQitem(pMsg);
return -1;
}
pRspHead->vgId = htonl(req.upstreamNodeId);
SStreamDispatchRsp* pRsp = POINTER_SHIFT(pRspHead, sizeof(SMsgHead));
pRsp->streamId = htobe64(req.streamId);
pRsp->upstreamTaskId = htonl(req.upstreamTaskId);
pRsp->upstreamNodeId = htonl(req.upstreamNodeId);
pRsp->downstreamNodeId = htonl(pVnode->config.vgId);
pRsp->downstreamTaskId = htonl(req.taskId);
pRsp->inputStatus = TASK_OUTPUT_STATUS__NORMAL;
int32_t len = sizeof(SMsgHead) + sizeof(SStreamDispatchRsp);
SRpcMsg rsp = { .code = code, .info = pMsg->info, .contLen = len, .pCont = pRspHead};
tqError("s-task:0x%x send dispatch error rsp, code:%s", taskId, tstrerror(code));
tmsgSendRsp(&rsp);
rpcFreeCont(pMsg->pCont);
taosFreeQitem(pMsg);
return -1;
}
int32_t tqCheckLogInWal(STQ* pTq, int64_t sversion) { return sversion <= pTq->walLogLastVer; }
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