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

1310 lines
41 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 "tq.h"
// 0: not init
// 1: already inited
// 2: wait to be inited or cleaup
#define WAL_READ_TASKS_ID (-1)
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);
}
}
static void destroyTqHandle(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) {
tqCloseReader(pData->execHandle.pTqReader);
walCloseReader(pData->pWalReader);
taosHashCleanup(pData->execHandle.execDb.pFilterOutTbUid);
} else if (pData->execHandle.subType == TOPIC_SUB_TYPE__TABLE) {
walCloseReader(pData->pWalReader);
tqCloseReader(pData->execHandle.pTqReader);
}
}
static void tqPushEntryFree(void* data) {
STqPushEntry* p = *(void**)data;
if (p->pDataRsp->head.mqMsgType == TMQ_MSG_TYPE__POLL_RSP) {
tDeleteSMqDataRsp(p->pDataRsp);
} else if (p->pDataRsp->head.mqMsgType == TMQ_MSG_TYPE__TAOSX_RSP) {
tDeleteSTaosxRsp((STaosxRsp*)p->pDataRsp);
}
taosMemoryFree(p->pDataRsp);
taosMemoryFree(p);
}
static bool tqOffsetLessOrEqual(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, destroyTqHandle);
taosInitRWLatch(&pTq->lock);
pTq->pPushMgr = taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), true, HASH_NO_LOCK);
taosHashSetFreeFp(pTq->pPushMgr, tqPushEntryFree);
pTq->pCheckInfo = taosHashInit(64, MurmurHash3_32, true, HASH_ENTRY_LOCK);
taosHashSetFreeFp(pTq->pCheckInfo, (FDelete)tDeleteSTqCheckInfo);
if (tqMetaOpen(pTq) < 0) {
return NULL;
}
pTq->pOffsetStore = tqOffsetOpen(pTq);
if (pTq->pOffsetStore == NULL) {
return NULL;
}
pTq->pStreamMeta = streamMetaOpen(path, pTq, (FTaskExpand*)tqExpandTask, pTq->pVnode->config.vgId);
if (pTq->pStreamMeta == NULL) {
return NULL;
}
if (streamLoadTasks(pTq->pStreamMeta, walGetCommittedVer(pVnode->pWal)) < 0) {
return NULL;
}
return pTq;
}
void tqClose(STQ* pTq) {
if (pTq == NULL) {
return;
}
tqOffsetClose(pTq->pOffsetStore);
taosHashCleanup(pTq->pHandle);
taosHashCleanup(pTq->pPushMgr);
taosHashCleanup(pTq->pCheckInfo);
taosMemoryFree(pTq->path);
tqMetaClose(pTq);
streamMetaClose(pTq->pStreamMeta);
taosMemoryFree(pTq);
}
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_RSP) {
tEncodeSize(tEncodeSMqDataRsp, pRsp, len, code);
} else if (type == TMQ_MSG_TYPE__TAOSX_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_RSP) {
tEncodeSMqDataRsp(&encoder, pRsp);
} else if (type == TMQ_MSG_TYPE__TAOSX_RSP) {
tEncodeSTaosxRsp(&encoder, (STaosxRsp*)pRsp);
}
tEncoderClear(&encoder);
SRpcMsg rsp = {
.info = *pRpcHandleInfo,
.pCont = buf,
.contLen = tlen,
.code = 0,
};
tmsgSendRsp(&rsp);
return 0;
}
int32_t tqPushDataRsp(STQ* pTq, STqPushEntry* pPushEntry) {
SMqDataRsp* pRsp = pPushEntry->pDataRsp;
SMqRspHead* pHeader = &pPushEntry->pDataRsp->head;
doSendDataRsp(&pPushEntry->info, pRsp, pHeader->epoch, pHeader->consumerId, pHeader->mqMsgType);
char buf1[80] = {0};
char buf2[80] = {0};
tFormatOffset(buf1, tListLen(buf1), &pRsp->reqOffset);
tFormatOffset(buf2, tListLen(buf2), &pRsp->rspOffset);
tqDebug("vgId:%d, from consumer:0x%" PRIx64 " (epoch %d) push rsp, block num: %d, req:%s, rsp:%s",
TD_VID(pTq->pVnode), pRsp->head.consumerId, pRsp->head.epoch, pRsp->blockNum, buf1, buf2);
return 0;
}
int32_t tqSendDataRsp(STQ* pTq, const SRpcMsg* pMsg, const SMqPollReq* pReq, const SMqDataRsp* pRsp, int32_t type) {
doSendDataRsp(&pMsg->info, pRsp, pReq->epoch, pReq->consumerId, type);
char buf1[80] = {0};
char buf2[80] = {0};
tFormatOffset(buf1, 80, &pRsp->reqOffset);
tFormatOffset(buf2, 80, &pRsp->rspOffset);
tqDebug("vgId:%d consumer:0x%" PRIx64 " (epoch %d) send rsp, block num:%d, req:%s, rsp:%s, reqId:0x%" PRIx64,
TD_VID(pTq->pVnode), 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) {
STqOffset offset = {0};
int32_t vgId = TD_VID(pTq->pVnode);
SDecoder decoder;
tDecoderInit(&decoder, (uint8_t*)msg, msgLen);
if (tDecodeSTqOffset(&decoder, &offset) < 0) {
return -1;
}
tDecoderClear(&decoder);
if (offset.val.type == TMQ_OFFSET__SNAPSHOT_DATA || offset.val.type == TMQ_OFFSET__SNAPSHOT_META) {
tqDebug("receive offset commit msg to %s on vgId:%d, offset(type:snapshot) uid:%" PRId64 ", ts:%" PRId64,
offset.subKey, vgId, offset.val.uid, offset.val.ts);
} else if (offset.val.type == TMQ_OFFSET__LOG) {
tqDebug("receive offset commit msg to %s on vgId:%d, offset(type:log) version:%" PRId64, offset.subKey, vgId,
offset.val.version);
if (offset.val.version + 1 == sversion) {
offset.val.version += 1;
}
} else {
tqError("invalid commit offset type:%d", offset.val.type);
return -1;
}
STqOffset* pSavedOffset = tqOffsetRead(pTq->pOffsetStore, offset.subKey);
if (pSavedOffset != NULL && tqOffsetLessOrEqual(&offset, pSavedOffset)) {
return 0; // no need to update the offset value
}
// save the new offset value
if (tqOffsetWrite(pTq->pOffsetStore, &offset) < 0) {
return -1;
}
if (offset.val.type == TMQ_OFFSET__LOG) {
STqHandle* pHandle = taosHashGet(pTq->pHandle, offset.subKey, strlen(offset.subKey));
if (pHandle && (walRefVer(pHandle->pRef, offset.val.version) < 0)) {
return -1;
}
}
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 tqProcessPollReq(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;
int32_t reqEpoch = req.epoch;
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("tmq poll: 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 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;
taosRUnLockLatch(&pTq->lock);
return -1;
}
taosRUnLockLatch(&pTq->lock);
// 3. update the epoch value
taosWLockLatch(&pTq->lock);
int32_t savedEpoch = pHandle->epoch;
if (savedEpoch < reqEpoch) {
tqDebug("tmq poll: consumer:0x%" PRIx64 " epoch update from %d to %d by poll req", consumerId, savedEpoch,
reqEpoch);
pHandle->epoch = reqEpoch;
}
taosWUnLockLatch(&pTq->lock);
char buf[80];
tFormatOffset(buf, 80, &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);
return tqExtractDataForMq(pTq, pHandle, &req, pMsg);
}
int32_t tqProcessDeleteSubReq(STQ* pTq, int64_t sversion, char* msg, int32_t msgLen) {
SMqVDeleteReq* pReq = (SMqVDeleteReq*)msg;
tqDebug("vgId:%d, tq process delete sub req %s", pTq->pVnode->config.vgId, pReq->subKey);
taosWLockLatch(&pTq->lock);
int32_t code = taosHashRemove(pTq->pPushMgr, pReq->subKey, strlen(pReq->subKey));
if (code != 0) {
tqDebug("vgId:%d, tq remove push handle %s", pTq->pVnode->config.vgId, pReq->subKey);
}
taosWUnLockLatch(&pTq->lock);
STqHandle* pHandle = taosHashGet(pTq->pHandle, pReq->subKey, strlen(pReq->subKey));
if (pHandle) {
// walCloseRef(pHandle->pWalReader->pWal, pHandle->pRef->refId);
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);
}
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) {
SMqRebVgReq req = {0};
tDecodeSMqRebVgReq(msg, &req);
SVnode* pVnode = pTq->pVnode;
int32_t vgId = TD_VID(pVnode);
tqDebug("vgId:%d, tq process sub req:%s, Id:0x%" PRIx64 " -> Id:0x%" PRIx64, pVnode->config.vgId, req.subKey,
req.oldConsumerId, req.newConsumerId);
STqHandle* pHandle = taosHashGet(pTq->pHandle, req.subKey, strlen(req.subKey));
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);
taosMemoryFree(req.qmsg);
return 0;
}
STqHandle tqHandle = {0};
pHandle = &tqHandle;
uint64_t oldConsumerId = pHandle->consumerId;
memcpy(pHandle->subKey, req.subKey, TSDB_SUBSCRIBE_KEY_LEN);
pHandle->consumerId = req.newConsumerId;
pHandle->epoch = -1;
pHandle->execHandle.subType = req.subType;
pHandle->fetchMeta = req.withMeta;
// TODO version should be assigned and refed during preprocess
SWalRef* pRef = walRefCommittedVer(pVnode->pWal);
if (pRef == NULL) {
taosMemoryFree(req.qmsg);
return -1;
}
int64_t ver = pRef->refVer;
pHandle->pRef = pRef;
SReadHandle handle = {
.meta = pVnode->pMeta, .vnode = pVnode, .initTableReader = true, .initTqReader = true, .version = ver};
pHandle->snapshotVer = ver;
if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__COLUMN) {
pHandle->execHandle.execCol.qmsg = req.qmsg;
req.qmsg = NULL;
pHandle->execHandle.task = qCreateQueueExecTaskInfo(pHandle->execHandle.execCol.qmsg, &handle, vgId,
&pHandle->execHandle.numOfCols, req.newConsumerId);
void* scanner = NULL;
qExtractStreamScanner(pHandle->execHandle.task, &scanner);
pHandle->execHandle.pTqReader = qExtractReaderFromStreamScanner(scanner);
} else if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__DB) {
pHandle->pWalReader = walOpenReader(pVnode->pWal, NULL);
pHandle->execHandle.pTqReader = tqOpenReader(pVnode);
pHandle->execHandle.execDb.pFilterOutTbUid =
taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), false, HASH_NO_LOCK);
buildSnapContext(handle.meta, handle.version, 0, pHandle->execHandle.subType, pHandle->fetchMeta,
(SSnapContext**)(&handle.sContext));
pHandle->execHandle.task = qCreateQueueExecTaskInfo(NULL, &handle, vgId, NULL, req.newConsumerId);
} else if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__TABLE) {
pHandle->pWalReader = walOpenReader(pVnode->pWal, NULL);
pHandle->execHandle.execTb.suid = req.suid;
SArray* tbUidList = taosArrayInit(0, sizeof(int64_t));
vnodeGetCtbIdList(pVnode, req.suid, tbUidList);
tqDebug("vgId:%d, tq try to get all ctb, suid:%" PRId64, pVnode->config.vgId, req.suid);
for (int32_t i = 0; i < taosArrayGetSize(tbUidList); i++) {
int64_t tbUid = *(int64_t*)taosArrayGet(tbUidList, i);
tqDebug("vgId:%d, idx %d, uid:%" PRId64, vgId, i, tbUid);
}
pHandle->execHandle.pTqReader = tqOpenReader(pVnode);
tqReaderSetTbUidList(pHandle->execHandle.pTqReader, tbUidList);
taosArrayDestroy(tbUidList);
buildSnapContext(handle.meta, handle.version, req.suid, pHandle->execHandle.subType, pHandle->fetchMeta,
(SSnapContext**)(&handle.sContext));
pHandle->execHandle.task = qCreateQueueExecTaskInfo(NULL, &handle, vgId, NULL, req.newConsumerId);
}
taosHashPut(pTq->pHandle, req.subKey, strlen(req.subKey), pHandle, sizeof(STqHandle));
tqDebug("try to persist handle %s consumer:0x%" PRIx64 " , old consumer:0x%" PRIx64, req.subKey,
pHandle->consumerId, oldConsumerId);
if (tqMetaSaveHandle(pTq, req.subKey, pHandle) < 0) {
taosMemoryFree(req.qmsg);
return -1;
}
} else {
if (pHandle->consumerId == req.newConsumerId) { // do nothing
tqInfo("vgId:%d consumer:0x%" PRIx64 " remains, no switch occurs", req.vgId, req.newConsumerId);
atomic_store_32(&pHandle->epoch, -1);
atomic_add_fetch_32(&pHandle->epoch, 1);
taosMemoryFree(req.qmsg);
return tqMetaSaveHandle(pTq, req.subKey, pHandle);
} else {
tqInfo("vgId:%d switch consumer from Id:0x%" PRIx64 " to Id:0x%" PRIx64, req.vgId, pHandle->consumerId,
req.newConsumerId);
// kill executing task
qTaskInfo_t pTaskInfo = pHandle->execHandle.task;
if (pTaskInfo != NULL) {
qKillTask(pTaskInfo, TSDB_CODE_SUCCESS);
}
taosWLockLatch(&pTq->lock);
atomic_store_32(&pHandle->epoch, -1);
// remove if it has been register in the push manager, and return one empty block to consumer
tqUnregisterPushHandle(pTq, req.subKey, (int32_t)strlen(req.subKey), pHandle->consumerId, true);
atomic_store_64(&pHandle->consumerId, req.newConsumerId);
atomic_add_fetch_32(&pHandle->epoch, 1);
if (pHandle->execHandle.subType == TOPIC_SUB_TYPE__COLUMN) {
qStreamCloseTsdbReader(pTaskInfo);
}
taosWUnLockLatch(&pTq->lock);
if (tqMetaSaveHandle(pTq, req.subKey, pHandle) < 0) {
taosMemoryFree(req.qmsg);
return -1;
}
}
}
taosMemoryFree(req.qmsg);
return 0;
}
int32_t tqExpandTask(STQ* pTq, SStreamTask* pTask, int64_t ver) {
// todo extract method
char buf[128] = {0};
sprintf(buf, "0x%"PRIx64"-%d", pTask->id.streamId, pTask->id.taskId);
int32_t vgId = TD_VID(pTq->pVnode);
pTask->id.idStr = taosStrdup(buf);
pTask->refCnt = 1;
pTask->status.schedStatus = TASK_SCHED_STATUS__INACTIVE;
pTask->inputQueue = streamQueueOpen();
pTask->outputQueue = streamQueueOpen();
if (pTask->inputQueue == NULL || pTask->outputQueue == NULL) {
return -1;
}
pTask->inputStatus = TASK_INPUT_STATUS__NORMAL;
pTask->outputStatus = TASK_OUTPUT_STATUS__NORMAL;
pTask->pMsgCb = &pTq->pVnode->msgCb;
pTask->pMeta = pTq->pStreamMeta;
pTask->chkInfo.version = ver;
// expand executor
if (pTask->fillHistory) {
pTask->status.taskStatus = TASK_STATUS__WAIT_DOWNSTREAM;
} else {
pTask->status.taskStatus = TASK_STATUS__RESTORE;
}
if (pTask->taskLevel == TASK_LEVEL__SOURCE) {
pTask->pState = streamStateOpen(pTq->pStreamMeta->path, pTask, false, -1, -1);
if (pTask->pState == NULL) {
return -1;
}
SReadHandle handle = {
.meta = pTq->pVnode->pMeta, .vnode = pTq->pVnode, .initTqReader = 1, .pStateBackend = pTask->pState};
pTask->exec.pExecutor = qCreateStreamExecTaskInfo(pTask->exec.qmsg, &handle, vgId);
if (pTask->exec.pExecutor == NULL) {
return -1;
}
} else if (pTask->taskLevel == TASK_LEVEL__AGG) {
pTask->pState = streamStateOpen(pTq->pStreamMeta->path, pTask, false, -1, -1);
if (pTask->pState == NULL) {
return -1;
}
int32_t numOfVgroups = (int32_t)taosArrayGetSize(pTask->childEpInfo);
SReadHandle mgHandle = { .vnode = NULL, .numOfVgroups = numOfVgroups, .pStateBackend = pTask->pState};
pTask->exec.pExecutor = qCreateStreamExecTaskInfo(pTask->exec.qmsg, &mgHandle, vgId);
if (pTask->exec.pExecutor == NULL) {
return -1;
}
}
// sink
/*pTask->ahandle = pTq->pVnode;*/
if (pTask->outputType == TASK_OUTPUT__SMA) {
pTask->smaSink.vnode = pTq->pVnode;
pTask->smaSink.smaSink = smaHandleRes;
} else if (pTask->outputType == TASK_OUTPUT__TABLE) {
pTask->tbSink.vnode = pTq->pVnode;
pTask->tbSink.tbSinkFunc = tqSinkToTablePipeline2;
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;
}
}
if (pTask->taskLevel == TASK_LEVEL__SOURCE) {
pTask->exec.pWalReader = walOpenReader(pTq->pVnode->pWal, NULL);
}
streamSetupTrigger(pTask);
tqInfo("vgId:%d expand stream task, s-task:%s, ver:%" PRId64 " child id:%d, level:%d", vgId, pTask->id.idStr,
pTask->chkInfo.version, pTask->selfChildId, pTask->taskLevel);
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);
tDecodeSStreamTaskCheckReq(&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) {
rsp.status = (atomic_load_8(&pTask->status.taskStatus) == TASK_STATUS__NORMAL) ? 1 : 0;
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
tqDebug("tq recv task check req(reqId:0x%" PRIx64
") %d at node %d task status:%d, check req from task %d at node %d, rsp status %d",
rsp.reqId, rsp.downstreamTaskId, rsp.downstreamNodeId, pTask->status.taskStatus, rsp.upstreamTaskId,
rsp.upstreamNodeId, rsp.status);
} else {
rsp.status = 0;
tqDebug("tq recv task check(taskId:%d not built yet) req(reqId:0x%" PRIx64
") %d at node %d, check req from task %d at node %d, rsp status %d",
taskId, rsp.reqId, rsp.downstreamTaskId, rsp.downstreamNodeId, rsp.upstreamTaskId, rsp.upstreamNodeId,
rsp.status);
}
SEncoder encoder;
int32_t code;
int32_t len;
tEncodeSize(tEncodeSStreamTaskCheckRsp, &rsp, len, code);
if (code < 0) {
tqError("unable to encode rsp %d", __LINE__);
return -1;
}
void* buf = rpcMallocCont(sizeof(SMsgHead) + len);
((SMsgHead*)buf)->vgId = htonl(req.upstreamNodeId);
void* abuf = POINTER_SHIFT(buf, sizeof(SMsgHead));
tEncoderInit(&encoder, (uint8_t*)abuf, len);
tEncodeSStreamTaskCheckRsp(&encoder, &rsp);
tEncoderClear(&encoder);
SRpcMsg rspMsg = { .code = 0, .pCont = buf, .contLen = sizeof(SMsgHead) + len, .info = pMsg->info };
tmsgSendRsp(&rspMsg);
return 0;
}
int32_t tqProcessStreamTaskCheckRsp(STQ* pTq, int64_t sversion, char* msg, int32_t msgLen) {
int32_t code;
SStreamTaskCheckRsp rsp;
SDecoder decoder;
tDecoderInit(&decoder, (uint8_t*)msg, msgLen);
code = tDecodeSStreamTaskCheckRsp(&decoder, &rsp);
if (code < 0) {
tDecoderClear(&decoder);
return -1;
}
tDecoderClear(&decoder);
tqDebug("tq recv task check rsp(reqId:0x%" PRIx64 ") %d at node %d check req from task %d at node %d, status %d",
rsp.reqId, rsp.downstreamTaskId, rsp.downstreamNodeId, rsp.upstreamTaskId, rsp.upstreamNodeId, rsp.status);
SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, rsp.upstreamTaskId);
if (pTask == NULL) {
return -1;
}
code = streamProcessTaskCheckRsp(pTask, &rsp, sversion);
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return code;
}
int32_t tqProcessTaskDeployReq(STQ* pTq, int64_t sversion, char* msg, int32_t msgLen) {
int32_t code;
#if 0
code = streamMetaAddSerializedTask(pTq->pStreamMeta, version, msg, msgLen);
if (code < 0) return code;
#endif
if (tsDisableStream) {
return 0;
}
// 1.deserialize msg and build task
SStreamTask* pTask = taosMemoryCalloc(1, sizeof(SStreamTask));
if (pTask == NULL) {
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);
// 2.save task
code = streamMetaAddDeployedTask(pTq->pStreamMeta, sversion, pTask);
if (code < 0) {
tqError("vgId:%d failed to add s-task:%s, total:%d", TD_VID(pTq->pVnode), pTask->id.idStr,
streamMetaGetNumOfTasks(pTq->pStreamMeta));
return -1;
}
// 3.go through recover steps to fill history
if (pTask->fillHistory) {
streamTaskCheckDownstream(pTask, sversion);
}
tqDebug("vgId:%d s-task:%s is deployed and add meta from mnd, status:%d, total:%d", TD_VID(pTq->pVnode),
pTask->id.idStr, pTask->status.taskStatus, streamMetaGetNumOfTasks(pTq->pStreamMeta));
return 0;
}
int32_t tqProcessTaskRecover1Req(STQ* pTq, SRpcMsg* pMsg) {
int32_t code;
char* msg = pMsg->pCont;
int32_t msgLen = pMsg->contLen;
SStreamRecoverStep1Req* pReq = (SStreamRecoverStep1Req*)msg;
SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, pReq->taskId);
if (pTask == NULL) {
return -1;
}
// check param
int64_t fillVer1 = pTask->chkInfo.version;
if (fillVer1 <= 0) {
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return -1;
}
// do recovery step 1
streamSourceRecoverScanStep1(pTask);
if (atomic_load_8(&pTask->status.taskStatus) == TASK_STATUS__DROPPING) {
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return 0;
}
// build msg to launch next step
SStreamRecoverStep2Req req;
code = streamBuildSourceRecover2Req(pTask, &req);
if (code < 0) {
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return -1;
}
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
if (atomic_load_8(&pTask->status.taskStatus) == TASK_STATUS__DROPPING) {
return 0;
}
// serialize msg
int32_t len = sizeof(SStreamRecoverStep1Req);
void* serializedReq = rpcMallocCont(len);
if (serializedReq == NULL) {
return -1;
}
memcpy(serializedReq, &req, len);
// dispatch msg
SRpcMsg rpcMsg = {
.code = 0,
.contLen = len,
.msgType = TDMT_VND_STREAM_RECOVER_BLOCKING_STAGE,
.pCont = serializedReq,
};
tmsgPutToQueue(&pTq->pVnode->msgCb, WRITE_QUEUE, &rpcMsg);
return 0;
}
int32_t tqProcessTaskRecover2Req(STQ* pTq, int64_t sversion, char* msg, int32_t msgLen) {
int32_t code;
SStreamRecoverStep2Req* pReq = (SStreamRecoverStep2Req*)msg;
SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, pReq->taskId);
if (pTask == NULL) {
return -1;
}
// do recovery step 2
code = streamSourceRecoverScanStep2(pTask, sversion);
if (code < 0) {
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return -1;
}
if (atomic_load_8(&pTask->status.taskStatus) == TASK_STATUS__DROPPING) {
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return 0;
}
// restore param
code = streamRestoreParam(pTask);
if (code < 0) {
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return -1;
}
// set status normal
code = streamSetStatusNormal(pTask);
if (code < 0) {
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return -1;
}
// dispatch recover finish req to all related downstream task
code = streamDispatchRecoverFinishReq(pTask);
if (code < 0) {
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return -1;
}
atomic_store_8(&pTask->fillHistory, 0);
streamMetaSaveTask(pTq->pStreamMeta, pTask);
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return 0;
}
int32_t tqProcessTaskRecoverFinishReq(STQ* pTq, SRpcMsg* pMsg) {
char* msg = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
int32_t msgLen = pMsg->contLen - sizeof(SMsgHead);
// deserialize
SStreamRecoverFinishReq req;
SDecoder decoder;
tDecoderInit(&decoder, (uint8_t*)msg, msgLen);
tDecodeSStreamRecoverFinishReq(&decoder, &req);
tDecoderClear(&decoder);
// find task
SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, req.taskId);
if (pTask == NULL) {
return -1;
}
// do process request
if (streamProcessRecoverFinishReq(pTask, req.childId) < 0) {
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return -1;
}
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return 0;
}
int32_t tqProcessTaskRecoverFinishRsp(STQ* pTq, SRpcMsg* pMsg) {
//
return 0;
}
int32_t tqProcessDelReq(STQ* pTq, void* pReq, int32_t len, int64_t ver) {
bool failed = false;
SDecoder* pCoder = &(SDecoder){0};
SDeleteRes* pRes = &(SDeleteRes){0};
pRes->uidList = taosArrayInit(0, sizeof(tb_uid_t));
if (pRes->uidList == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
failed = true;
}
tDecoderInit(pCoder, pReq, len);
tDecodeDeleteRes(pCoder, pRes);
tDecoderClear(pCoder);
int32_t sz = taosArrayGetSize(pRes->uidList);
if (sz == 0 || pRes->affectedRows == 0) {
taosArrayDestroy(pRes->uidList);
return 0;
}
SSDataBlock* pDelBlock = createSpecialDataBlock(STREAM_DELETE_DATA);
blockDataEnsureCapacity(pDelBlock, sz);
pDelBlock->info.rows = sz;
pDelBlock->info.version = ver;
for (int32_t i = 0; i < sz; 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);
int32_t* pRef = taosMemoryMalloc(sizeof(int32_t));
*pRef = 1;
void* pIter = NULL;
while (1) {
pIter = taosHashIterate(pTq->pStreamMeta->pTasks, pIter);
if (pIter == NULL) break;
SStreamTask* pTask = *(SStreamTask**)pIter;
if (pTask->taskLevel != TASK_LEVEL__SOURCE) continue;
qDebug("delete req enqueue stream task: %d, ver: %" PRId64, pTask->id.taskId, ver);
if (!failed) {
SStreamRefDataBlock* pRefBlock = taosAllocateQitem(sizeof(SStreamRefDataBlock), DEF_QITEM, 0);
pRefBlock->type = STREAM_INPUT__REF_DATA_BLOCK;
pRefBlock->pBlock = pDelBlock;
pRefBlock->dataRef = pRef;
atomic_add_fetch_32(pRefBlock->dataRef, 1);
if (tAppendDataToInputQueue(pTask, (SStreamQueueItem*)pRefBlock) < 0) {
qError("stream task input del failed, task id %d", pTask->id.taskId);
atomic_sub_fetch_32(pRef, 1);
taosFreeQitem(pRefBlock);
continue;
}
if (streamSchedExec(pTask) < 0) {
qError("stream task launch failed, task id %d", pTask->id.taskId);
continue;
}
} else {
streamTaskInputFail(pTask);
}
}
int32_t ref = atomic_sub_fetch_32(pRef, 1);
/*A(ref >= 0);*/
if (ref == 0) {
blockDataDestroy(pDelBlock);
taosMemoryFree(pRef);
}
#if 0
SStreamDataBlock* pStreamBlock = taosAllocateQitem(sizeof(SStreamDataBlock), DEF_QITEM, 0);
pStreamBlock->type = STREAM_INPUT__DATA_BLOCK;
pStreamBlock->blocks = taosArrayInit(0, sizeof(SSDataBlock));
SSDataBlock block = {0};
assignOneDataBlock(&block, pDelBlock);
block.info.type = STREAM_DELETE_DATA;
taosArrayPush(pStreamBlock->blocks, &block);
if (!failed) {
if (tAppendDataToInputQueue(pTask, (SStreamQueueItem*)pStreamBlock) < 0) {
qError("stream task input del failed, task id %d", pTask->id.taskId);
continue;
}
if (streamSchedExec(pTask) < 0) {
qError("stream task launch failed, task id %d", pTask->id.taskId);
continue;
}
} else {
streamTaskInputFail(pTask);
}
}
blockDataDestroy(pDelBlock);
#endif
return 0;
}
static int32_t addSubmitBlockNLaunchTask(STqOffsetStore* pOffsetStore, SStreamTask* pTask, SStreamDataSubmit2* pSubmit,
const char* key, int64_t ver) {
doSaveTaskOffset(pOffsetStore, key, ver);
int32_t code = tqAddInputBlockNLaunchTask(pTask, (SStreamQueueItem*)pSubmit, ver);
// remove the offset, if all functions are completed successfully.
if (code == TSDB_CODE_SUCCESS) {
tqOffsetDelete(pOffsetStore, key);
}
return code;
}
int32_t tqProcessSubmitReq(STQ* pTq, SPackedData submit) {
#if 0
void* pIter = NULL;
SStreamDataSubmit2* pSubmit = streamDataSubmitNew(submit, STREAM_INPUT__DATA_SUBMIT);
if (pSubmit == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
tqError("failed to create data submit for stream since out of memory");
saveOffsetForAllTasks(pTq, submit.ver);
return -1;
}
SArray* pInputQueueFullTasks = taosArrayInit(4, POINTER_BYTES);
while (1) {
pIter = taosHashIterate(pTq->pStreamMeta->pTasks, pIter);
if (pIter == NULL) {
break;
}
SStreamTask* pTask = *(SStreamTask**)pIter;
if (pTask->taskLevel != TASK_LEVEL__SOURCE) {
continue;
}
if (pTask->status.taskStatus == TASK_STATUS__RECOVER_PREPARE || pTask->status.taskStatus == TASK_STATUS__WAIT_DOWNSTREAM) {
tqDebug("stream task:%d skip push data, not ready for processing, status %d", pTask->id.taskId,
pTask->status.taskStatus);
continue;
}
// check if offset value exists
char key[128] = {0};
createStreamTaskOffsetKey(key, pTask->id.streamId, pTask->id.taskId);
if (tInputQueueIsFull(pTask)) {
STqOffset* pOffset = tqOffsetRead(pTq->pOffsetStore, key);
int64_t ver = submit.ver;
if (pOffset == NULL) {
doSaveTaskOffset(pTq->pOffsetStore, key, submit.ver);
} else {
ver = pOffset->val.version;
}
tqDebug("s-task:%s input queue is full, discard submit block, ver:%" PRId64, pTask->id.idStr, ver);
taosArrayPush(pInputQueueFullTasks, &pTask);
continue;
}
// check if offset value exists
STqOffset* pOffset = tqOffsetRead(pTq->pOffsetStore, key);
ASSERT(pOffset == NULL);
addSubmitBlockNLaunchTask(pTq->pOffsetStore, pTask, pSubmit, key, submit.ver);
}
streamDataSubmitDestroy(pSubmit);
taosFreeQitem(pSubmit);
#endif
tqStartStreamTasks(pTq);
return 0;
}
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 == WAL_READ_TASKS_ID) { // all tasks are extracted submit data from the wal
tqStreamTasksScanWal(pTq);
return 0;
}
SStreamTask* pTask = streamMetaAcquireTask(pTq->pStreamMeta, taskId);
if (pTask != NULL) {
if (pTask->status.taskStatus == TASK_STATUS__NORMAL) {
tqDebug("vgId:%d s-task:%s start to process run req", vgId, pTask->id.idStr);
streamProcessRunReq(pTask);
} else if (pTask->status.taskStatus == TASK_STATUS__RESTORE) {
tqDebug("vgId:%d s-task:%s start to process block from wal, last chk point:%" PRId64, vgId,
pTask->id.idStr, pTask->chkInfo.version);
streamProcessRunReq(pTask);
} else {
tqDebug("vgId:%d s-task:%s ignore run req since not in ready state", vgId, pTask->id.idStr);
}
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;
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 };
streamProcessDispatchReq(pTask, &req, &rsp, exec);
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return 0;
} else {
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);
tqDebug("recv dispatch rsp, code:%x", pMsg->code);
if (pTask) {
streamProcessDispatchRsp(pTask, pRsp, pMsg->code);
streamMetaReleaseTask(pTq->pStreamMeta, pTask);
return 0;
} else {
return -1;
}
}
int32_t tqProcessTaskDropReq(STQ* pTq, int64_t sversion, char* msg, int32_t msgLen) {
SVDropStreamTaskReq* pReq = (SVDropStreamTaskReq*)msg;
streamMetaRemoveTask(pTq->pStreamMeta, pReq->taskId);
return 0;
}
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);
SStreamRetrieveReq req;
SDecoder decoder;
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 {
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) {
SRpcMsg rsp = { .info = pMsg->info, .code = 0 };
streamProcessDispatchReq(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) return -1;
SMsgHead* pRspHead = rpcMallocCont(sizeof(SMsgHead) + sizeof(SStreamDispatchRsp));
if (pRspHead == NULL) {
SRpcMsg rsp = { .code = TSDB_CODE_OUT_OF_MEMORY, .info = pMsg->info };
tqDebug("send dispatch error rsp, code: %x", 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;
SRpcMsg rsp = {
.code = code, .info = pMsg->info, .contLen = sizeof(SMsgHead) + sizeof(SStreamDispatchRsp), .pCont = pRspHead};
tqDebug("send dispatch error rsp, code: %x", code);
tmsgSendRsp(&rsp);
rpcFreeCont(pMsg->pCont);
taosFreeQitem(pMsg);
return -1;
}
int32_t tqCheckLogInWal(STQ* pTq, int64_t sversion) { return sversion <= pTq->walLogLastVer; }
int32_t tqStartStreamTasks(STQ* pTq) {
int32_t vgId = TD_VID(pTq->pVnode);
SStreamMeta* pMeta = pTq->pStreamMeta;
taosWLockLatch(&pMeta->lock);
pMeta->walScan += 1;
if (pMeta->walScan > 1) {
tqDebug("vgId:%d wal read task has been launched, remain scan times:%d", vgId, pMeta->walScan);
taosWUnLockLatch(&pTq->pStreamMeta->lock);
return 0;
}
SStreamTaskRunReq* pRunReq = rpcMallocCont(sizeof(SStreamTaskRunReq));
if (pRunReq == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
tqError("vgId:%d failed restore stream tasks, code:%s", vgId, terrstr(terrno));
taosWUnLockLatch(&pTq->pStreamMeta->lock);
return -1;
}
int32_t numOfTasks = taosHashGetSize(pTq->pStreamMeta->pTasks);
tqInfo("vgId:%d start wal scan stream tasks, tasks:%d", vgId, numOfTasks);
initOffsetForAllRestoreTasks(pTq);
pRunReq->head.vgId = vgId;
pRunReq->streamId = 0;
pRunReq->taskId = WAL_READ_TASKS_ID;
SRpcMsg msg = {.msgType = TDMT_STREAM_TASK_RUN, .pCont = pRunReq, .contLen = sizeof(SStreamTaskRunReq)};
tmsgPutToQueue(&pTq->pVnode->msgCb, STREAM_QUEUE, &msg);
taosWUnLockLatch(&pTq->pStreamMeta->lock);
return 0;
}