574 lines
23 KiB
C
574 lines
23 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 "streamInt.h"
|
|
#include "streamsm.h"
|
|
#include "tmisce.h"
|
|
#include "tstream.h"
|
|
#include "ttimer.h"
|
|
#include "wal.h"
|
|
|
|
#define GET_EVT_NAME(_ev) (StreamTaskEventList[(_ev)].name)
|
|
|
|
SStreamTaskState StreamTaskStatusList[9] = {
|
|
{.state = TASK_STATUS__READY, .name = "ready"},
|
|
{.state = TASK_STATUS__DROPPING, .name = "dropped"},
|
|
{.state = TASK_STATUS__UNINIT, .name = "uninit"},
|
|
{.state = TASK_STATUS__STOP, .name = "stop"},
|
|
{.state = TASK_STATUS__SCAN_HISTORY, .name = "scan-history"},
|
|
{.state = TASK_STATUS__HALT, .name = "halt"},
|
|
{.state = TASK_STATUS__PAUSE, .name = "paused"},
|
|
{.state = TASK_STATUS__CK, .name = "checkpoint"},
|
|
// {.state = TASK_STATUS__STREAM_SCAN_HISTORY, .name = "stream-scan-history"},
|
|
};
|
|
|
|
SStreamEventInfo StreamTaskEventList[12] = {
|
|
{.event = 0, .name = ""}, // dummy event, place holder
|
|
{.event = TASK_EVENT_INIT, .name = "initialize"},
|
|
{.event = TASK_EVENT_INIT_SCANHIST, .name = "scan-history-init"},
|
|
{.event = TASK_EVENT_SCANHIST_DONE, .name = "scan-history-completed"},
|
|
{.event = TASK_EVENT_STOP, .name = "stopping"},
|
|
{.event = TASK_EVENT_GEN_CHECKPOINT, .name = "checkpoint"},
|
|
{.event = TASK_EVENT_CHECKPOINT_DONE, .name = "checkpoint-done"},
|
|
{.event = TASK_EVENT_PAUSE, .name = "pausing"},
|
|
{.event = TASK_EVENT_RESUME, .name = "resuming"},
|
|
{.event = TASK_EVENT_HALT, .name = "halting"},
|
|
{.event = TASK_EVENT_DROPPING, .name = "dropping"},
|
|
};
|
|
|
|
static TdThreadOnce streamTaskStateMachineInit = PTHREAD_ONCE_INIT;
|
|
static SArray* streamTaskSMTrans = NULL;
|
|
|
|
static int32_t streamTaskInitStatus(SStreamTask* pTask);
|
|
static int32_t streamTaskKeepCurrentVerInWal(SStreamTask* pTask);
|
|
static int32_t initStateTransferTable();
|
|
static void doInitStateTransferTable(void);
|
|
static int32_t streamTaskSendTransSuccessMsg(SStreamTask* pTask);
|
|
|
|
static STaskStateTrans createStateTransform(ETaskStatus current, ETaskStatus next, EStreamTaskEvent event,
|
|
__state_trans_fn fn, __state_trans_succ_fn succFn,
|
|
SAttachedEventInfo* pEventInfo, bool autoInvoke);
|
|
|
|
static int32_t dummyFn(SStreamTask* UNUSED_PARAM(p)) { return TSDB_CODE_SUCCESS; }
|
|
|
|
static int32_t attachEvent(SStreamTask* pTask, SAttachedEventInfo* pEvtInfo) {
|
|
char* p = streamTaskGetStatus(pTask)->name;
|
|
|
|
stDebug("s-task:%s status:%s attach event:%s required status:%s, since not allowed to handle it", pTask->id.idStr, p,
|
|
GET_EVT_NAME(pEvtInfo->event), StreamTaskStatusList[pEvtInfo->status].name);
|
|
taosArrayPush(pTask->status.pSM->pWaitingEventList, pEvtInfo);
|
|
return 0;
|
|
}
|
|
|
|
int32_t streamTaskInitStatus(SStreamTask* pTask) {
|
|
pTask->execInfo.init = taosGetTimestampMs();
|
|
|
|
stDebug("s-task:%s start init, and check downstream tasks, set the init ts:%" PRId64, pTask->id.idStr,
|
|
pTask->execInfo.init);
|
|
streamTaskCheckDownstream(pTask);
|
|
return 0;
|
|
}
|
|
|
|
static int32_t streamTaskDoCheckpoint(SStreamTask* pTask) {
|
|
stDebug("s-task:%s start to do checkpoint", pTask->id.idStr);
|
|
return 0;
|
|
}
|
|
|
|
int32_t streamTaskSendTransSuccessMsg(SStreamTask* pTask) {
|
|
if (pTask->info.taskLevel == TASK_LEVEL__SOURCE) {
|
|
streamTaskSendCheckpointSourceRsp(pTask);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int32_t streamTaskKeepCurrentVerInWal(SStreamTask* pTask) {
|
|
ASSERT(HAS_RELATED_FILLHISTORY_TASK(pTask));
|
|
|
|
if (pTask->info.taskLevel == TASK_LEVEL__SOURCE) {
|
|
pTask->hTaskInfo.haltVer = walReaderGetCurrentVer(pTask->exec.pWalReader);
|
|
if (pTask->hTaskInfo.haltVer == -1) {
|
|
pTask->hTaskInfo.haltVer = pTask->dataRange.range.maxVer + 1;
|
|
}
|
|
}
|
|
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
// todo check rsp code for handle Event:TASK_EVENT_SCANHIST_DONE
|
|
static bool isInvalidStateTransfer(ETaskStatus state, const EStreamTaskEvent event) {
|
|
if (/*event == TASK_EVENT_INIT_STREAM_SCANHIST || */event == TASK_EVENT_INIT || event == TASK_EVENT_INIT_SCANHIST) {
|
|
return (state != TASK_STATUS__UNINIT);
|
|
}
|
|
|
|
if (event == TASK_EVENT_SCANHIST_DONE) {
|
|
return (state != TASK_STATUS__SCAN_HISTORY/* && state != TASK_STATUS__STREAM_SCAN_HISTORY*/);
|
|
}
|
|
|
|
if (event == TASK_EVENT_GEN_CHECKPOINT) {
|
|
return (state != TASK_STATUS__READY);
|
|
}
|
|
|
|
if (event == TASK_EVENT_CHECKPOINT_DONE) {
|
|
return (state != TASK_STATUS__CK);
|
|
}
|
|
|
|
// todo refactor later
|
|
if (event == TASK_EVENT_RESUME) {
|
|
return true;
|
|
}
|
|
|
|
if (event == TASK_EVENT_HALT) {
|
|
if (state == TASK_STATUS__DROPPING || state == TASK_STATUS__UNINIT || state == TASK_STATUS__STOP ||
|
|
state == TASK_STATUS__SCAN_HISTORY) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// todo optimize the perf of find the trans objs by using hash table
|
|
static STaskStateTrans* streamTaskFindTransform(ETaskStatus state, const EStreamTaskEvent event) {
|
|
int32_t numOfTrans = taosArrayGetSize(streamTaskSMTrans);
|
|
for (int32_t i = 0; i < numOfTrans; ++i) {
|
|
STaskStateTrans* pTrans = taosArrayGet(streamTaskSMTrans, i);
|
|
if (pTrans->state.state == state && pTrans->event == event) {
|
|
return pTrans;
|
|
}
|
|
}
|
|
|
|
if (isInvalidStateTransfer(state, event)) {
|
|
return NULL;
|
|
} else {
|
|
ASSERT(0);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int32_t doHandleWaitingEvent(SStreamTaskSM* pSM, const char* pEventName, SStreamTask* pTask) {
|
|
int32_t code = TSDB_CODE_SUCCESS;
|
|
int64_t el = (taosGetTimestampMs() - pSM->startTs);
|
|
stDebug("s-task:%s handle event:%s completed, elapsed time:%" PRId64 "ms state:%s -> %s", pTask->id.idStr,
|
|
pEventName, el, pSM->prev.state.name, pSM->current.name);
|
|
|
|
SAttachedEventInfo* pEvtInfo = taosArrayGet(pSM->pWaitingEventList, 0);
|
|
|
|
// OK, let's handle the attached event, since the task has reached the required status now
|
|
if (pSM->current.state == pEvtInfo->status) {
|
|
stDebug("s-task:%s handle the event:%s in waiting list, state:%s", pTask->id.idStr,
|
|
GET_EVT_NAME(pEvtInfo->event), pSM->current.name);
|
|
|
|
// remove it
|
|
taosArrayPop(pSM->pWaitingEventList);
|
|
|
|
STaskStateTrans* pNextTrans = streamTaskFindTransform(pSM->current.state, pEvtInfo->event);
|
|
ASSERT(pSM->pActiveTrans == NULL && pNextTrans != NULL);
|
|
|
|
pSM->pActiveTrans = pNextTrans;
|
|
pSM->startTs = taosGetTimestampMs();
|
|
taosThreadMutexUnlock(&pTask->lock);
|
|
|
|
code = pNextTrans->pAction(pSM->pTask);
|
|
if (pNextTrans->autoInvokeEndFn) {
|
|
return streamTaskOnHandleEventSuccess(pSM, pNextTrans->event);
|
|
} else {
|
|
return code;
|
|
}
|
|
} else {
|
|
taosThreadMutexUnlock(&pTask->lock);
|
|
stDebug("s-task:%s state:%s event:%s in waiting list, req state:%s not fulfilled, put it back", pTask->id.idStr,
|
|
pSM->current.name, GET_EVT_NAME(pEvtInfo->event),
|
|
StreamTaskStatusList[pEvtInfo->status].name);
|
|
}
|
|
|
|
return code;
|
|
}
|
|
|
|
void streamTaskRestoreStatus(SStreamTask* pTask) {
|
|
SStreamTaskSM* pSM = pTask->status.pSM;
|
|
|
|
taosThreadMutexLock(&pTask->lock);
|
|
|
|
ASSERT(pSM->pActiveTrans == NULL);
|
|
ASSERT(pSM->current.state == TASK_STATUS__PAUSE || pSM->current.state == TASK_STATUS__HALT);
|
|
|
|
SStreamTaskState state = pSM->current;
|
|
pSM->current = pSM->prev.state;
|
|
|
|
pSM->prev.state = state;
|
|
pSM->prev.evt = 0;
|
|
|
|
pSM->startTs = taosGetTimestampMs();
|
|
|
|
if (taosArrayGetSize(pSM->pWaitingEventList) > 0) {
|
|
stDebug("s-task:%s restore status, %s -> %s, and then handle waiting event", pTask->id.idStr, pSM->prev.state.name, pSM->current.name);
|
|
doHandleWaitingEvent(pSM, "restore-pause/halt", pTask);
|
|
} else {
|
|
stDebug("s-task:%s restore status, %s -> %s", pTask->id.idStr, pSM->prev.state.name, pSM->current.name);
|
|
}
|
|
|
|
taosThreadMutexUnlock(&pTask->lock);
|
|
}
|
|
|
|
SStreamTaskSM* streamCreateStateMachine(SStreamTask* pTask) {
|
|
initStateTransferTable();
|
|
const char* id = pTask->id.idStr;
|
|
|
|
SStreamTaskSM* pSM = taosMemoryCalloc(1, sizeof(SStreamTaskSM));
|
|
if (pSM == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
stError("s-task:%s failed to create task stateMachine, size:%d, code:%s", id, (int32_t)sizeof(SStreamTaskSM),
|
|
tstrerror(terrno));
|
|
return NULL;
|
|
}
|
|
|
|
pSM->pTask = pTask;
|
|
pSM->pWaitingEventList = taosArrayInit(4, sizeof(SAttachedEventInfo));
|
|
if (pSM->pWaitingEventList == NULL) {
|
|
taosMemoryFree(pSM);
|
|
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
stError("s-task:%s failed to create task stateMachine, size:%d, code:%s", id, (int32_t)sizeof(SStreamTaskSM),
|
|
tstrerror(terrno));
|
|
return NULL;
|
|
}
|
|
|
|
// set the initial state for the state-machine of stream task
|
|
pSM->current = StreamTaskStatusList[TASK_STATUS__UNINIT];
|
|
pSM->startTs = taosGetTimestampMs();
|
|
return pSM;
|
|
}
|
|
|
|
void* streamDestroyStateMachine(SStreamTaskSM* pSM) {
|
|
if (pSM == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
taosArrayDestroy(pSM->pWaitingEventList);
|
|
taosMemoryFree(pSM);
|
|
return NULL;
|
|
}
|
|
|
|
static int32_t doHandleEvent(SStreamTaskSM* pSM, EStreamTaskEvent event, STaskStateTrans* pTrans) {
|
|
SStreamTask* pTask = pSM->pTask;
|
|
const char* id = pTask->id.idStr;
|
|
|
|
if (pTrans->attachEvent.event != 0) {
|
|
attachEvent(pTask, &pTrans->attachEvent);
|
|
taosThreadMutexUnlock(&pTask->lock);
|
|
|
|
while (1) {
|
|
// wait for the task to be here
|
|
taosThreadMutexLock(&pTask->lock);
|
|
ETaskStatus s = streamTaskGetStatus(pTask)->state;
|
|
taosThreadMutexUnlock(&pTask->lock);
|
|
|
|
if ((s == pTrans->next.state) && (pSM->prev.evt == pTrans->event)) {// this event has been handled already
|
|
stDebug("s-task:%s attached event:%s handled", id, GET_EVT_NAME(pTrans->event));
|
|
return TSDB_CODE_SUCCESS;
|
|
} else if (s != TASK_STATUS__DROPPING && s != TASK_STATUS__STOP && s != TASK_STATUS__UNINIT) {
|
|
stDebug("s-task:%s not handle event:%s yet, wait for 100ms and recheck", id, GET_EVT_NAME(event));
|
|
taosMsleep(100);
|
|
} else {
|
|
stDebug("s-task:%s is dropped or stopped already, not wait.", id);
|
|
return TSDB_CODE_STREAM_INVALID_STATETRANS;
|
|
}
|
|
}
|
|
|
|
} else { // override current active trans
|
|
pSM->pActiveTrans = pTrans;
|
|
pSM->startTs = taosGetTimestampMs();
|
|
taosThreadMutexUnlock(&pTask->lock);
|
|
|
|
int32_t code = pTrans->pAction(pTask);
|
|
// todo handle error code;
|
|
|
|
if (pTrans->autoInvokeEndFn) {
|
|
streamTaskOnHandleEventSuccess(pSM, event);
|
|
}
|
|
}
|
|
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
int32_t streamTaskHandleEvent(SStreamTaskSM* pSM, EStreamTaskEvent event) {
|
|
int32_t code = TSDB_CODE_SUCCESS;
|
|
SStreamTask* pTask = pSM->pTask;
|
|
STaskStateTrans* pTrans = NULL;
|
|
|
|
while (1) {
|
|
taosThreadMutexLock(&pTask->lock);
|
|
|
|
if (pSM->pActiveTrans != NULL && pSM->pActiveTrans->autoInvokeEndFn) {
|
|
EStreamTaskEvent evt = pSM->pActiveTrans->event;
|
|
taosThreadMutexUnlock(&pTask->lock);
|
|
|
|
stDebug("s-task:%s status:%s handling event:%s by some other thread, wait for 100ms and check if completed",
|
|
pTask->id.idStr, pSM->current.name, GET_EVT_NAME(evt));
|
|
taosMsleep(100);
|
|
} else {
|
|
// no active event trans exists, handle this event directly
|
|
pTrans = streamTaskFindTransform(pSM->current.state, event);
|
|
if (pTrans == NULL) {
|
|
stDebug("s-task:%s failed to handle event:%s", pTask->id.idStr, GET_EVT_NAME(event));
|
|
taosThreadMutexUnlock(&pTask->lock);
|
|
return TSDB_CODE_STREAM_INVALID_STATETRANS;
|
|
}
|
|
|
|
if (pSM->pActiveTrans != NULL) {
|
|
// currently in some state transfer procedure, not auto invoke transfer, abort it
|
|
stDebug("s-task:%s event:%s handle procedure quit, status %s -> %s failed, handle event %s now",
|
|
pTask->id.idStr, GET_EVT_NAME(pSM->pActiveTrans->event), pSM->current.name,
|
|
pSM->pActiveTrans->next.name, GET_EVT_NAME(event));
|
|
}
|
|
|
|
code = doHandleEvent(pSM, event, pTrans);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return code;
|
|
}
|
|
|
|
static void keepPrevInfo(SStreamTaskSM* pSM) {
|
|
STaskStateTrans* pTrans = pSM->pActiveTrans;
|
|
|
|
pSM->prev.state = pSM->current;
|
|
pSM->prev.evt = pTrans->event;
|
|
}
|
|
|
|
int32_t streamTaskOnHandleEventSuccess(SStreamTaskSM* pSM, EStreamTaskEvent event) {
|
|
SStreamTask* pTask = pSM->pTask;
|
|
|
|
// do update the task status
|
|
taosThreadMutexLock(&pTask->lock);
|
|
|
|
STaskStateTrans* pTrans = pSM->pActiveTrans;
|
|
if (pTrans == NULL) {
|
|
ETaskStatus s = pSM->current.state;
|
|
ASSERT(s == TASK_STATUS__DROPPING || s == TASK_STATUS__PAUSE || s == TASK_STATUS__STOP ||
|
|
s == TASK_STATUS__UNINIT || s == TASK_STATUS__READY);
|
|
|
|
// the pSM->prev.evt may be 0, so print string is not appropriate.
|
|
stDebug("s-task:%s event:%s handled failed, current status:%s, trigger event:%s", pTask->id.idStr,
|
|
GET_EVT_NAME(event), pSM->current.name, GET_EVT_NAME(pSM->prev.evt));
|
|
|
|
taosThreadMutexUnlock(&pTask->lock);
|
|
return TSDB_CODE_STREAM_INVALID_STATETRANS;
|
|
}
|
|
|
|
if (pTrans->event != event) {
|
|
stWarn("s-task:%s handle event:%s failed, current status:%s, active trans evt:%s", pTask->id.idStr,
|
|
GET_EVT_NAME(event), pSM->current.name, GET_EVT_NAME(pTrans->event));
|
|
taosThreadMutexUnlock(&pTask->lock);
|
|
return TSDB_CODE_STREAM_INVALID_STATETRANS;
|
|
}
|
|
|
|
keepPrevInfo(pSM);
|
|
|
|
pSM->current = pTrans->next;
|
|
pSM->pActiveTrans = NULL;
|
|
|
|
// on success callback, add into lock if necessary, or maybe we should add an option for this?
|
|
pTrans->pSuccAction(pTask);
|
|
|
|
if (taosArrayGetSize(pSM->pWaitingEventList) > 0) {
|
|
doHandleWaitingEvent(pSM, GET_EVT_NAME(pTrans->event), pTask);
|
|
} else {
|
|
taosThreadMutexUnlock(&pTask->lock);
|
|
|
|
int64_t el = (taosGetTimestampMs() - pSM->startTs);
|
|
stDebug("s-task:%s handle event:%s completed, elapsed time:%" PRId64 "ms state:%s -> %s", pTask->id.idStr,
|
|
GET_EVT_NAME(pTrans->event), el, pSM->prev.state.name, pSM->current.name);
|
|
}
|
|
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
SStreamTaskState* streamTaskGetStatus(const SStreamTask* pTask) {
|
|
return &pTask->status.pSM->current; // copy one obj in case of multi-thread environment
|
|
}
|
|
|
|
const char* streamTaskGetStatusStr(ETaskStatus status) {
|
|
return StreamTaskStatusList[status].name;
|
|
}
|
|
|
|
void streamTaskResetStatus(SStreamTask* pTask) {
|
|
SStreamTaskSM* pSM = pTask->status.pSM;
|
|
|
|
taosThreadMutexLock(&pTask->lock);
|
|
stDebug("s-task:%s level:%d fill-history:%d vgId:%d set uninit, prev status:%s", pTask->id.idStr,
|
|
pTask->info.taskLevel, pTask->info.fillHistory, pTask->pMeta->vgId, pSM->current.name);
|
|
|
|
pSM->current = StreamTaskStatusList[TASK_STATUS__UNINIT];
|
|
pSM->pActiveTrans = NULL;
|
|
taosArrayClear(pSM->pWaitingEventList);
|
|
taosThreadMutexUnlock(&pTask->lock);
|
|
|
|
// clear the downstream ready status
|
|
pTask->status.downstreamReady = 0;
|
|
}
|
|
|
|
void streamTaskSetStatusReady(SStreamTask* pTask) {
|
|
SStreamTaskSM* pSM = pTask->status.pSM;
|
|
if (pSM->current.state == TASK_STATUS__DROPPING) {
|
|
stError("s-task:%s task in dropping state, cannot be set ready", pTask->id.idStr);
|
|
return;
|
|
}
|
|
|
|
taosThreadMutexLock(&pTask->lock);
|
|
|
|
pSM->prev.state = pSM->current;
|
|
pSM->prev.evt = 0;
|
|
|
|
pSM->current = StreamTaskStatusList[TASK_STATUS__READY];
|
|
pSM->startTs = taosGetTimestampMs();
|
|
pSM->pActiveTrans = NULL;
|
|
taosArrayClear(pSM->pWaitingEventList);
|
|
|
|
taosThreadMutexUnlock(&pTask->lock);
|
|
}
|
|
|
|
STaskStateTrans createStateTransform(ETaskStatus current, ETaskStatus next, EStreamTaskEvent event, __state_trans_fn fn,
|
|
__state_trans_succ_fn succFn, SAttachedEventInfo* pEventInfo, bool autoInvoke) {
|
|
STaskStateTrans trans = {0};
|
|
trans.state = StreamTaskStatusList[current];
|
|
trans.next = StreamTaskStatusList[next];
|
|
trans.event = event;
|
|
|
|
if (pEventInfo != NULL) {
|
|
trans.attachEvent = *pEventInfo;
|
|
} else {
|
|
trans.attachEvent.event = 0;
|
|
trans.attachEvent.status = 0;
|
|
}
|
|
|
|
trans.pAction = (fn != NULL) ? fn : dummyFn;
|
|
trans.pSuccAction = (succFn != NULL) ? succFn : dummyFn;
|
|
trans.autoInvokeEndFn = autoInvoke;
|
|
return trans;
|
|
}
|
|
|
|
int32_t initStateTransferTable() {
|
|
taosThreadOnce(&streamTaskStateMachineInit, doInitStateTransferTable);
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
//clang-format off
|
|
void doInitStateTransferTable(void) {
|
|
streamTaskSMTrans = taosArrayInit(8, sizeof(STaskStateTrans));
|
|
|
|
// initialization event handle
|
|
STaskStateTrans trans = createStateTransform(TASK_STATUS__UNINIT, TASK_STATUS__READY, TASK_EVENT_INIT, streamTaskInitStatus, streamTaskOnNormalTaskReady, false, false);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__UNINIT, TASK_STATUS__SCAN_HISTORY, TASK_EVENT_INIT_SCANHIST, streamTaskInitStatus, streamTaskOnScanhistoryTaskReady, false, false);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
// trans = createStateTransform(TASK_STATUS__UNINIT, TASK_STATUS__STREAM_SCAN_HISTORY, TASK_EVENT_INIT_STREAM_SCANHIST, streamTaskInitStatus, streamTaskOnScanhistoryTaskReady, false, false);
|
|
// taosArrayPush(streamTaskSMTrans, &trans);
|
|
|
|
// scan-history related event
|
|
trans = createStateTransform(TASK_STATUS__SCAN_HISTORY, TASK_STATUS__READY, TASK_EVENT_SCANHIST_DONE, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
// trans = createStateTransform(TASK_STATUS__STREAM_SCAN_HISTORY, TASK_STATUS__READY, TASK_EVENT_SCANHIST_DONE, NULL, NULL, NULL, true);
|
|
// taosArrayPush(streamTaskSMTrans, &trans);
|
|
|
|
// halt stream task, from other task status
|
|
trans = createStateTransform(TASK_STATUS__READY, TASK_STATUS__HALT, TASK_EVENT_HALT, NULL, streamTaskKeepCurrentVerInWal, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__HALT, TASK_STATUS__HALT, TASK_EVENT_HALT, NULL, streamTaskKeepCurrentVerInWal, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
|
|
SAttachedEventInfo info = {.status = TASK_STATUS__READY, .event = TASK_EVENT_HALT};
|
|
|
|
// trans = createStateTransform(TASK_STATUS__STREAM_SCAN_HISTORY, TASK_STATUS__HALT, TASK_EVENT_HALT, NULL, streamTaskKeepCurrentVerInWal, &info, true);
|
|
// taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__CK, TASK_STATUS__HALT, TASK_EVENT_HALT, NULL, streamTaskKeepCurrentVerInWal, &info, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__PAUSE, TASK_STATUS__HALT, TASK_EVENT_HALT, NULL, streamTaskKeepCurrentVerInWal, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
|
|
// checkpoint related event
|
|
trans = createStateTransform(TASK_STATUS__READY, TASK_STATUS__CK, TASK_EVENT_GEN_CHECKPOINT, NULL, streamTaskDoCheckpoint, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__CK, TASK_STATUS__READY, TASK_EVENT_CHECKPOINT_DONE, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
|
|
// pause & resume related event handle
|
|
trans = createStateTransform(TASK_STATUS__READY, TASK_STATUS__PAUSE, TASK_EVENT_PAUSE, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__SCAN_HISTORY, TASK_STATUS__PAUSE, TASK_EVENT_PAUSE, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
|
|
info = (SAttachedEventInfo){.status = TASK_STATUS__READY, .event = TASK_EVENT_PAUSE};
|
|
// trans = createStateTransform(TASK_STATUS__STREAM_SCAN_HISTORY, TASK_STATUS__PAUSE, TASK_EVENT_PAUSE, NULL, NULL, &info, true);
|
|
// taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__CK, TASK_STATUS__PAUSE, TASK_EVENT_PAUSE, NULL, NULL, &info, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__HALT, TASK_STATUS__PAUSE, TASK_EVENT_PAUSE, NULL, NULL, &info, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
|
|
trans = createStateTransform(TASK_STATUS__UNINIT, TASK_STATUS__PAUSE, TASK_EVENT_PAUSE, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__PAUSE, TASK_STATUS__PAUSE, TASK_EVENT_PAUSE, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__STOP, TASK_STATUS__STOP, TASK_EVENT_PAUSE, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__DROPPING, TASK_STATUS__DROPPING, TASK_EVENT_PAUSE, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
|
|
// resume is completed by restore status of state-machine
|
|
|
|
// stop related event
|
|
trans = createStateTransform(TASK_STATUS__READY, TASK_STATUS__STOP, TASK_EVENT_STOP, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__DROPPING, TASK_STATUS__STOP, TASK_EVENT_STOP, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__UNINIT, TASK_STATUS__STOP, TASK_EVENT_STOP, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__STOP, TASK_STATUS__STOP, TASK_EVENT_STOP, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__SCAN_HISTORY, TASK_STATUS__STOP, TASK_EVENT_STOP, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__HALT, TASK_STATUS__STOP, TASK_EVENT_STOP, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__PAUSE, TASK_STATUS__STOP, TASK_EVENT_STOP, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__CK, TASK_STATUS__STOP, TASK_EVENT_STOP, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
// trans = createStateTransform(TASK_STATUS__STREAM_SCAN_HISTORY, TASK_STATUS__STOP, TASK_EVENT_STOP, NULL, NULL, NULL, true);
|
|
// taosArrayPush(streamTaskSMTrans, &trans);
|
|
|
|
// dropping related event
|
|
trans = createStateTransform(TASK_STATUS__READY, TASK_STATUS__DROPPING, TASK_EVENT_DROPPING, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__DROPPING, TASK_STATUS__DROPPING, TASK_EVENT_DROPPING, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__UNINIT, TASK_STATUS__DROPPING, TASK_EVENT_DROPPING, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__STOP, TASK_STATUS__DROPPING, TASK_EVENT_DROPPING, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__SCAN_HISTORY, TASK_STATUS__DROPPING, TASK_EVENT_DROPPING, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__HALT, TASK_STATUS__DROPPING, TASK_EVENT_DROPPING, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__PAUSE, TASK_STATUS__DROPPING, TASK_EVENT_DROPPING, NULL, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
trans = createStateTransform(TASK_STATUS__CK, TASK_STATUS__DROPPING, TASK_EVENT_DROPPING, streamTaskSendTransSuccessMsg, NULL, NULL, true);
|
|
taosArrayPush(streamTaskSMTrans, &trans);
|
|
// trans = createStateTransform(TASK_STATUS__STREAM_SCAN_HISTORY, TASK_STATUS__DROPPING, TASK_EVENT_DROPPING, NULL, NULL, NULL, true);
|
|
// taosArrayPush(streamTaskSMTrans, &trans);
|
|
}
|
|
//clang-format on
|