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refactor(stream): do some internal refactor.

This commit is contained in:
Haojun Liao 2023-07-14 18:46:38 +08:00
parent 6798e31bb5
commit 035b199497
1 changed files with 28 additions and 37 deletions
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65
source/libs/stream/src/streamCheckpoint.c
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@ -136,15 +136,31 @@ int32_t streamProcessCheckpointSourceReq(SStreamTask* pTask, SStreamCheckpointSo
pTask->checkpointingId = pReq->checkpointId;
pTask->checkpointNotReadyTasks = 1;
// 2. let's dispatch checkpoint msg to downstream task directly and do nothing else.
// 2. put the checkpoint block into inputQ, to make sure all blocks with less version have been handled by this task already.
// 2. let's dispatch checkpoint msg to downstream task directly and do nothing else. put the checkpoint block into
// inputQ, to make sure all blocks with less version have been handled by this task already.
return appendCheckpointIntoInputQ(pTask, STREAM_INPUT__CHECKPOINT_TRIGGER);
}
static int32_t continueDispatchCheckpointBlock(SStreamDataBlock* pBlock, SStreamTask* pTask) {
pBlock->srcTaskId = pTask->id.taskId;
pBlock->srcVgId = pTask->pMeta->vgId;
int32_t code = taosWriteQitem(pTask->outputQueue->queue, pBlock);
if (code == 0) {
streamDispatchStreamBlock(pTask);
}
streamFreeQitem((SStreamQueueItem*)pBlock);
return code;
}
int32_t streamProcessCheckpointBlock(SStreamTask* pTask, SStreamDataBlock* pBlock) {
SSDataBlock* pDataBlock = taosArrayGet(pBlock->blocks, 0);
int64_t checkpointId = pDataBlock->info.version;
const char* id = pTask->id.idStr;
int32_t code = TSDB_CODE_SUCCESS;
// set the task status
pTask->checkpointingId = checkpointId;
pTask->status.taskStatus = TASK_STATUS__CK;
@ -153,20 +169,9 @@ int32_t streamProcessCheckpointBlock(SStreamTask* pTask, SStreamDataBlock* pBloc
int32_t taskLevel = pTask->info.taskLevel;
if (taskLevel == TASK_LEVEL__SOURCE) {
if (pTask->outputType == TASK_OUTPUT__FIXED_DISPATCH || pTask->outputType == TASK_OUTPUT__SHUFFLE_DISPATCH) {
pBlock->srcTaskId = pTask->id.taskId;
pBlock->srcVgId = pTask->pMeta->vgId;
qDebug("s-task:%s set childIdx:%d, and add checkpoint block into outputQ", pTask->id.idStr,
pTask->info.selfChildId);
int32_t code = taosWriteQitem(pTask->outputQueue->queue, pBlock);
if (code != 0) { // todo failed to add it into the output queue, free it.
return code;
}
streamFreeQitem((SStreamQueueItem*)pBlock);
streamDispatchStreamBlock(pTask);
} else { // only one task exists
qDebug("s-task:%s set childIdx:%d, and add checkpoint block into outputQ", id, pTask->info.selfChildId);
continueDispatchCheckpointBlock(pBlock, pTask);
} else { // only one task exists, no need to dispatch downstream info
streamProcessCheckpointReadyMsg(pTask);
}
} else if (taskLevel == TASK_LEVEL__SINK) {
@ -176,7 +181,7 @@ int32_t streamProcessCheckpointBlock(SStreamTask* pTask, SStreamDataBlock* pBloc
// update the child Id for downstream tasks
streamAddCheckpointReadyMsg(pTask, pBlock->srcTaskId, pTask->info.selfChildId, checkpointId);
qDebug("s-task:%s sink task do checkpoint ready, send ready msg to upstream", pTask->id.idStr);
qDebug("s-task:%s sink task do checkpoint ready, send ready msg to upstream", id);
} else {
ASSERT(taosArrayGetSize(pTask->pUpstreamInfoList) > 0);
@ -188,14 +193,13 @@ int32_t streamProcessCheckpointBlock(SStreamTask* pTask, SStreamDataBlock* pBloc
int32_t num = taosArrayGetSize(pTask->pUpstreamInfoList);
if (notReady > 0) {
qDebug("s-task:%s received checkpoint block, idx:%d, %d upstream tasks not send checkpoint info yet, total:%d",
pTask->id.idStr, pTask->info.selfChildId, notReady, num);
return 0;
id, pTask->info.selfChildId, notReady, num);
return code;
}
qDebug(
"s-task:%s receive one checkpoint block, all %d upstream sent checkpoint msgs, dispatch checkpoint msg to "
"downstream",
pTask->id.idStr, num);
"s-task:%s process checkpoint block, all %d upstreams sent checkpoint msgs, dispatch checkpoint msg downstream",
id, num);
// set the needed checked downstream tasks, only when all downstream tasks do checkpoint complete, this task
// can start local checkpoint procedure
@ -204,23 +208,10 @@ int32_t streamProcessCheckpointBlock(SStreamTask* pTask, SStreamDataBlock* pBloc
// if all upstreams are ready for generating checkpoint, set the status to be TASK_STATUS__CK_READY
// put the checkpoint block into inputQ, to make sure all blocks with less version have been handled by this task
// already. And then, dispatch check point msg to all downstream tasks
{
pBlock->srcTaskId = pTask->id.taskId;
pBlock->srcVgId = pTask->pMeta->vgId;
ASSERT(pTask->outputType == TASK_OUTPUT__FIXED_DISPATCH || pTask->outputType == TASK_OUTPUT__SHUFFLE_DISPATCH);
int32_t code = taosWriteQitem(pTask->outputQueue->queue, pBlock);
if (code != 0) { // todo failed to add it into the output queue, free it.
return code;
}
streamFreeQitem((SStreamQueueItem*)pBlock);
streamDispatchStreamBlock(pTask);
}
code = continueDispatchCheckpointBlock(pBlock, pTask);
}
return 0;
return code;
}
/**