/* * Copyright (c) 2019 TAOS Data, Inc. * * 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 . */ #include "schedulerInt.h" #include "tmsg.h" #include "query.h" #include "catalog.h" #include "tref.h" SSchedulerMgmt schMgmt = {0}; FORCE_INLINE SSchJob *schAcquireJob(int64_t refId) { return (SSchJob *)taosAcquireRef(schMgmt.jobRef, refId); } FORCE_INLINE int32_t schReleaseJob(int64_t refId) { return taosReleaseRef(schMgmt.jobRef, refId); } uint64_t schGenTaskId(void) { return atomic_add_fetch_64(&schMgmt.taskId, 1); } uint64_t schGenUUID(void) { static uint64_t hashId = 0; static int32_t requestSerialId = 0; if (hashId == 0) { char uid[64]; int32_t code = taosGetSystemUUID(uid, tListLen(uid)); if (code != TSDB_CODE_SUCCESS) { qError("Failed to get the system uid, reason:%s", tstrerror(TAOS_SYSTEM_ERROR(errno))); } else { hashId = MurmurHash3_32(uid, strlen(uid)); } } int64_t ts = taosGetTimestampMs(); uint64_t pid = taosGetPId(); int32_t val = atomic_add_fetch_32(&requestSerialId, 1); uint64_t id = ((hashId & 0x0FFF) << 52) | ((pid & 0x0FFF) << 40) | ((ts & 0xFFFFFF) << 16) | (val & 0xFFFF); return id; } int32_t schInitTask(SSchJob* pJob, SSchTask *pTask, SSubplan* pPlan, SSchLevel *pLevel) { pTask->plan = pPlan; pTask->level = pLevel; SCH_SET_TASK_STATUS(pTask, JOB_TASK_STATUS_NOT_START); pTask->taskId = schGenTaskId(); pTask->execAddrs = taosArrayInit(SCH_MAX_CANDIDATE_EP_NUM, sizeof(SQueryNodeAddr)); if (NULL == pTask->execAddrs) { SCH_TASK_ELOG("taosArrayInit %d exec addrs failed", SCH_MAX_CANDIDATE_EP_NUM); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } return TSDB_CODE_SUCCESS; } void schFreeTask(SSchTask* pTask) { if (pTask->candidateAddrs) { taosArrayDestroy(pTask->candidateAddrs); } tfree(pTask->msg); if (pTask->children) { taosArrayDestroy(pTask->children); } if (pTask->parents) { taosArrayDestroy(pTask->parents); } if (pTask->execAddrs) { taosArrayDestroy(pTask->execAddrs); } } static FORCE_INLINE bool schJobNeedToStop(SSchJob *pJob, int8_t *pStatus) { int8_t status = SCH_GET_JOB_STATUS(pJob); if (pStatus) { *pStatus = status; } return (status == JOB_TASK_STATUS_FAILED || status == JOB_TASK_STATUS_CANCELLED || status == JOB_TASK_STATUS_CANCELLING || status == JOB_TASK_STATUS_DROPPING || status == JOB_TASK_STATUS_SUCCEED); } int32_t schValidateTaskReceivedMsgType(SSchJob *pJob, SSchTask *pTask, int32_t msgType) { int32_t lastMsgType = SCH_GET_TASK_LASTMSG_TYPE(pTask); int32_t taskStatus = SCH_GET_TASK_STATUS(pTask); switch (msgType) { case TDMT_VND_CREATE_TABLE_RSP: case TDMT_VND_SUBMIT_RSP: case TDMT_VND_QUERY_RSP: case TDMT_VND_RES_READY_RSP: case TDMT_VND_FETCH_RSP: case TDMT_VND_DROP_TASK: if (lastMsgType != (msgType - 1)) { SCH_TASK_ELOG("rsp msg type mis-match, last sent msgType:%s, rspType:%s", TMSG_INFO(lastMsgType), TMSG_INFO(msgType)); SCH_ERR_RET(TSDB_CODE_SCH_STATUS_ERROR); } if (taskStatus != JOB_TASK_STATUS_EXECUTING && taskStatus != JOB_TASK_STATUS_PARTIAL_SUCCEED) { SCH_TASK_ELOG("rsp msg conflicted with task status, status:%s, rspType:%s", jobTaskStatusStr(taskStatus), TMSG_INFO(msgType)); SCH_ERR_RET(TSDB_CODE_SCH_STATUS_ERROR); } break; default: SCH_TASK_ELOG("unknown rsp msg, type:%s, status:%s", TMSG_INFO(msgType), jobTaskStatusStr(taskStatus)); SCH_ERR_RET(TSDB_CODE_QRY_INVALID_INPUT); } SCH_SET_TASK_LASTMSG_TYPE(pTask, -1); return TSDB_CODE_SUCCESS; } int32_t schCheckAndUpdateJobStatus(SSchJob *pJob, int8_t newStatus) { int32_t code = 0; int8_t oriStatus = 0; while (true) { oriStatus = SCH_GET_JOB_STATUS(pJob); if (oriStatus == newStatus) { SCH_ERR_JRET(TSDB_CODE_QRY_APP_ERROR); } switch (oriStatus) { case JOB_TASK_STATUS_NULL: if (newStatus != JOB_TASK_STATUS_NOT_START) { SCH_ERR_JRET(TSDB_CODE_QRY_APP_ERROR); } break; case JOB_TASK_STATUS_NOT_START: if (newStatus != JOB_TASK_STATUS_EXECUTING) { SCH_ERR_JRET(TSDB_CODE_QRY_APP_ERROR); } break; case JOB_TASK_STATUS_EXECUTING: if (newStatus != JOB_TASK_STATUS_PARTIAL_SUCCEED && newStatus != JOB_TASK_STATUS_FAILED && newStatus != JOB_TASK_STATUS_CANCELLING && newStatus != JOB_TASK_STATUS_CANCELLED && newStatus != JOB_TASK_STATUS_DROPPING) { SCH_ERR_JRET(TSDB_CODE_QRY_APP_ERROR); } break; case JOB_TASK_STATUS_PARTIAL_SUCCEED: if (newStatus != JOB_TASK_STATUS_FAILED && newStatus != JOB_TASK_STATUS_SUCCEED && newStatus != JOB_TASK_STATUS_DROPPING) { SCH_ERR_JRET(TSDB_CODE_QRY_APP_ERROR); } break; case JOB_TASK_STATUS_SUCCEED: case JOB_TASK_STATUS_FAILED: case JOB_TASK_STATUS_CANCELLING: if (newStatus != JOB_TASK_STATUS_DROPPING) { SCH_ERR_JRET(TSDB_CODE_QRY_APP_ERROR); } break; case JOB_TASK_STATUS_CANCELLED: case JOB_TASK_STATUS_DROPPING: SCH_ERR_JRET(TSDB_CODE_QRY_JOB_FREED); break; default: SCH_JOB_ELOG("invalid job status:%s", jobTaskStatusStr(oriStatus)); SCH_ERR_JRET(TSDB_CODE_QRY_APP_ERROR); } if (oriStatus != atomic_val_compare_exchange_8(&pJob->status, oriStatus, newStatus)) { continue; } SCH_JOB_DLOG("job status updated from %s to %s", jobTaskStatusStr(oriStatus), jobTaskStatusStr(newStatus)); break; } return TSDB_CODE_SUCCESS; _return: SCH_JOB_ELOG("invalid job status update, from %s to %s", jobTaskStatusStr(oriStatus), jobTaskStatusStr(newStatus)); SCH_ERR_RET(code); } int32_t schBuildTaskRalation(SSchJob *pJob, SHashObj *planToTask) { for (int32_t i = 0; i < pJob->levelNum; ++i) { SSchLevel *pLevel = taosArrayGet(pJob->levels, i); for (int32_t m = 0; m < pLevel->taskNum; ++m) { SSchTask *pTask = taosArrayGet(pLevel->subTasks, m); SSubplan *pPlan = pTask->plan; int32_t childNum = pPlan->pChildren ? (int32_t)LIST_LENGTH(pPlan->pChildren) : 0; int32_t parentNum = pPlan->pParents ? (int32_t)LIST_LENGTH(pPlan->pParents) : 0; if (childNum > 0) { if (pJob->levelIdx == pLevel->level) { SCH_JOB_ELOG("invalid query plan, lowest level, childNum:%d", childNum); SCH_ERR_RET(TSDB_CODE_SCH_INTERNAL_ERROR); } pTask->children = taosArrayInit(childNum, POINTER_BYTES); if (NULL == pTask->children) { SCH_TASK_ELOG("taosArrayInit %d children failed", childNum); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } } for (int32_t n = 0; n < childNum; ++n) { SSubplan *child = (SSubplan*)nodesListGetNode(pPlan->pChildren, n); SSchTask **childTask = taosHashGet(planToTask, &child, POINTER_BYTES); if (NULL == childTask || NULL == *childTask) { SCH_TASK_ELOG("subplan children relationship error, level:%d, taskIdx:%d, childIdx:%d", i, m, n); SCH_ERR_RET(TSDB_CODE_SCH_INTERNAL_ERROR); } if (NULL == taosArrayPush(pTask->children, childTask)) { SCH_TASK_ELOG("taosArrayPush childTask failed, level:%d, taskIdx:%d, childIdx:%d", i, m, n); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } } if (parentNum > 0) { if (0 == pLevel->level) { SCH_TASK_ELOG("invalid task info, level:0, parentNum:%d", parentNum); SCH_ERR_RET(TSDB_CODE_SCH_INTERNAL_ERROR); } pTask->parents = taosArrayInit(parentNum, POINTER_BYTES); if (NULL == pTask->parents) { SCH_TASK_ELOG("taosArrayInit %d parents failed", parentNum); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } } else { if (0 != pLevel->level) { SCH_TASK_ELOG("invalid task info, level:%d, parentNum:%d", pLevel->level, parentNum); SCH_ERR_RET(TSDB_CODE_SCH_INTERNAL_ERROR); } } for (int32_t n = 0; n < parentNum; ++n) { SSubplan *parent = (SSubplan*)nodesListGetNode(pPlan->pParents, n); SSchTask **parentTask = taosHashGet(planToTask, &parent, POINTER_BYTES); if (NULL == parentTask || NULL == *parentTask) { SCH_TASK_ELOG("subplan parent relationship error, level:%d, taskIdx:%d, childIdx:%d", i, m, n); SCH_ERR_RET(TSDB_CODE_SCH_INTERNAL_ERROR); } if (NULL == taosArrayPush(pTask->parents, parentTask)) { SCH_TASK_ELOG("taosArrayPush parentTask failed, level:%d, taskIdx:%d, childIdx:%d", i, m, n); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } } SCH_TASK_DLOG("level:%d, parentNum:%d, childNum:%d", i, parentNum, childNum); } } SSchLevel *pLevel = taosArrayGet(pJob->levels, 0); if (SCH_IS_QUERY_JOB(pJob) && pLevel->taskNum > 1) { SCH_JOB_ELOG("invalid query plan, level:0, taskNum:%d", pLevel->taskNum); SCH_ERR_RET(TSDB_CODE_SCH_INTERNAL_ERROR); } return TSDB_CODE_SUCCESS; } int32_t schRecordTaskSucceedNode(SSchJob *pJob, SSchTask *pTask) { SQueryNodeAddr *addr = taosArrayGet(pTask->candidateAddrs, pTask->candidateIdx); if (NULL == addr) { SCH_TASK_ELOG("taosArrayGet candidate addr failed, idx:%d, size:%d", pTask->candidateIdx, (int32_t)taosArrayGetSize(pTask->candidateAddrs)); SCH_ERR_RET(TSDB_CODE_SCH_INTERNAL_ERROR); } pTask->succeedAddr = *addr; return TSDB_CODE_SUCCESS; } int32_t schRecordTaskExecNode(SSchJob *pJob, SSchTask *pTask, SQueryNodeAddr *addr) { if (NULL == taosArrayPush(pTask->execAddrs, addr)) { SCH_TASK_ELOG("taosArrayPush addr to execAddr list failed, errno:%d", errno); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } return TSDB_CODE_SUCCESS; } int32_t schValidateAndBuildJob(SQueryPlan *pDag, SSchJob *pJob) { int32_t code = 0; pJob->queryId = pDag->queryId; if (pDag->numOfSubplans <= 0) { SCH_JOB_ELOG("invalid subplan num:%d", pDag->numOfSubplans); SCH_ERR_RET(TSDB_CODE_QRY_INVALID_INPUT); } int32_t levelNum = (int32_t)LIST_LENGTH(pDag->pSubplans); if (levelNum <= 0) { SCH_JOB_ELOG("invalid level num:%d", levelNum); SCH_ERR_RET(TSDB_CODE_QRY_INVALID_INPUT); } SHashObj *planToTask = taosHashInit(SCHEDULE_DEFAULT_MAX_TASK_NUM, taosGetDefaultHashFunction(POINTER_BYTES == sizeof(int64_t) ? TSDB_DATA_TYPE_BIGINT : TSDB_DATA_TYPE_INT), false, HASH_NO_LOCK); if (NULL == planToTask) { SCH_JOB_ELOG("taosHashInit %d failed", SCHEDULE_DEFAULT_MAX_TASK_NUM); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } pJob->levels = taosArrayInit(levelNum, sizeof(SSchLevel)); if (NULL == pJob->levels) { SCH_JOB_ELOG("taosArrayInit %d failed", levelNum); SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY); } pJob->levelNum = levelNum; pJob->levelIdx = levelNum - 1; pJob->subPlans = pDag->pSubplans; SSchLevel level = {0}; SNodeListNode *plans = NULL; int32_t taskNum = 0; SSchLevel *pLevel = NULL; level.status = JOB_TASK_STATUS_NOT_START; for (int32_t i = 0; i < levelNum; ++i) { if (NULL == taosArrayPush(pJob->levels, &level)) { SCH_JOB_ELOG("taosArrayPush level failed, level:%d", i); SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY); } pLevel = taosArrayGet(pJob->levels, i); pLevel->level = i; plans = (SNodeListNode*)nodesListGetNode(pDag->pSubplans, i); if (NULL == plans) { SCH_JOB_ELOG("empty level plan, level:%d", i); SCH_ERR_JRET(TSDB_CODE_QRY_INVALID_INPUT); } taskNum = (int32_t)LIST_LENGTH(plans->pNodeList); if (taskNum <= 0) { SCH_JOB_ELOG("invalid level plan number:%d, level:%d", taskNum, i); SCH_ERR_JRET(TSDB_CODE_QRY_INVALID_INPUT); } pLevel->taskNum = taskNum; pLevel->subTasks = taosArrayInit(taskNum, sizeof(SSchTask)); if (NULL == pLevel->subTasks) { SCH_JOB_ELOG("taosArrayInit %d failed", taskNum); SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY); } for (int32_t n = 0; n < taskNum; ++n) { SSubplan *plan = (SSubplan*)nodesListGetNode(plans->pNodeList, n); SCH_SET_JOB_TYPE(pJob, plan->subplanType); SSchTask task = {0}; SSchTask *pTask = &task; SCH_ERR_JRET(schInitTask(pJob, &task, plan, pLevel)); void *p = taosArrayPush(pLevel->subTasks, &task); if (NULL == p) { SCH_TASK_ELOG("taosArrayPush task to level failed, level:%d, taskIdx:%d", pLevel->level, n); SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY); } if (0 != taosHashPut(planToTask, &plan, POINTER_BYTES, &p, POINTER_BYTES)) { SCH_TASK_ELOG("taosHashPut to planToTaks failed, taskIdx:%d", n); SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY); } ++pJob->taskNum; } SCH_JOB_DLOG("level initialized, taskNum:%d", taskNum); } SCH_ERR_JRET(schBuildTaskRalation(pJob, planToTask)); _return: if (planToTask) { taosHashCleanup(planToTask); } SCH_RET(code); } int32_t schSetTaskCandidateAddrs(SSchJob *pJob, SSchTask *pTask) { if (NULL != pTask->candidateAddrs) { return TSDB_CODE_SUCCESS; } pTask->candidateIdx = 0; pTask->candidateAddrs = taosArrayInit(SCH_MAX_CANDIDATE_EP_NUM, sizeof(SQueryNodeAddr)); if (NULL == pTask->candidateAddrs) { SCH_TASK_ELOG("taosArrayInit %d condidate addrs failed", SCH_MAX_CANDIDATE_EP_NUM); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } if (pTask->plan->execNode.epSet.numOfEps > 0) { if (NULL == taosArrayPush(pTask->candidateAddrs, &pTask->plan->execNode)) { SCH_TASK_ELOG("taosArrayPush execNode to candidate addrs failed, errno:%d", errno); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } SCH_TASK_DLOG("use execNode from plan as candidate addr, numOfEps:%d", pTask->plan->execNode.epSet.numOfEps); return TSDB_CODE_SUCCESS; } int32_t addNum = 0; int32_t nodeNum = 0; if (pJob->nodeList) { nodeNum = taosArrayGetSize(pJob->nodeList); for (int32_t i = 0; i < nodeNum && addNum < SCH_MAX_CANDIDATE_EP_NUM; ++i) { SQueryNodeAddr *naddr = taosArrayGet(pJob->nodeList, i); if (NULL == taosArrayPush(pTask->candidateAddrs, naddr)) { SCH_TASK_ELOG("taosArrayPush execNode to candidate addrs failed, addNum:%d, errno:%d", addNum, errno); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } ++addNum; } } if (addNum <= 0) { SCH_TASK_ELOG("no available execNode as candidates, nodeNum:%d", nodeNum); SCH_ERR_RET(TSDB_CODE_QRY_INVALID_INPUT); } /* for (int32_t i = 0; i < job->dataSrcEps.numOfEps && addNum < SCH_MAX_CANDIDATE_EP_NUM; ++i) { strncpy(epSet->fqdn[epSet->numOfEps], job->dataSrcEps.fqdn[i], sizeof(job->dataSrcEps.fqdn[i])); epSet->port[epSet->numOfEps] = job->dataSrcEps.port[i]; ++epSet->numOfEps; } */ return TSDB_CODE_SUCCESS; } int32_t schPushTaskToExecList(SSchJob *pJob, SSchTask *pTask) { int32_t code = taosHashPut(pJob->execTasks, &pTask->taskId, sizeof(pTask->taskId), &pTask, POINTER_BYTES); if (0 != code) { if (HASH_NODE_EXIST(code)) { SCH_TASK_ELOG("task already in execTask list, code:%x", code); SCH_ERR_RET(TSDB_CODE_SCH_INTERNAL_ERROR); } SCH_TASK_ELOG("taosHashPut task to execTask list failed, errno:%d", errno); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } SCH_TASK_DLOG("task added to execTask list, numOfTasks:%d", taosHashGetSize(pJob->execTasks)); return TSDB_CODE_SUCCESS; } int32_t schMoveTaskToSuccList(SSchJob *pJob, SSchTask *pTask, bool *moved) { if (0 != taosHashRemove(pJob->execTasks, &pTask->taskId, sizeof(pTask->taskId))) { SCH_TASK_WLOG("remove task from execTask list failed, may not exist, status:%s", SCH_GET_TASK_STATUS_STR(pTask)); } else { SCH_TASK_DLOG("task removed from execTask list, numOfTasks:%d", taosHashGetSize(pJob->execTasks)); } int32_t code = taosHashPut(pJob->succTasks, &pTask->taskId, sizeof(pTask->taskId), &pTask, POINTER_BYTES); if (0 != code) { if (HASH_NODE_EXIST(code)) { *moved = true; SCH_TASK_ELOG("task already in succTask list, status:%s", SCH_GET_TASK_STATUS_STR(pTask)); SCH_ERR_RET(TSDB_CODE_SCH_STATUS_ERROR); } SCH_TASK_ELOG("taosHashPut task to succTask list failed, errno:%d", errno); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } *moved = true; SCH_TASK_DLOG("task moved to succTask list, numOfTasks:%d", taosHashGetSize(pJob->succTasks)); return TSDB_CODE_SUCCESS; } int32_t schMoveTaskToFailList(SSchJob *pJob, SSchTask *pTask, bool *moved) { *moved = false; if (0 != taosHashRemove(pJob->execTasks, &pTask->taskId, sizeof(pTask->taskId))) { SCH_TASK_WLOG("remove task from execTask list failed, may not exist, status:%s", SCH_GET_TASK_STATUS_STR(pTask)); } int32_t code = taosHashPut(pJob->failTasks, &pTask->taskId, sizeof(pTask->taskId), &pTask, POINTER_BYTES); if (0 != code) { if (HASH_NODE_EXIST(code)) { *moved = true; SCH_TASK_WLOG("task already in failTask list, status:%s", SCH_GET_TASK_STATUS_STR(pTask)); SCH_ERR_RET(TSDB_CODE_SCH_STATUS_ERROR); } SCH_TASK_ELOG("taosHashPut task to failTask list failed, errno:%d", errno); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } *moved = true; SCH_TASK_DLOG("task moved to failTask list, numOfTasks:%d", taosHashGetSize(pJob->failTasks)); return TSDB_CODE_SUCCESS; } int32_t schMoveTaskToExecList(SSchJob *pJob, SSchTask *pTask, bool *moved) { if (0 != taosHashRemove(pJob->succTasks, &pTask->taskId, sizeof(pTask->taskId))) { SCH_TASK_WLOG("remove task from succTask list failed, may not exist, status:%s", SCH_GET_TASK_STATUS_STR(pTask)); } int32_t code = taosHashPut(pJob->execTasks, &pTask->taskId, sizeof(pTask->taskId), &pTask, POINTER_BYTES); if (0 != code) { if (HASH_NODE_EXIST(code)) { *moved = true; SCH_TASK_ELOG("task already in execTask list, status:%s", SCH_GET_TASK_STATUS_STR(pTask)); SCH_ERR_RET(TSDB_CODE_SCH_STATUS_ERROR); } SCH_TASK_ELOG("taosHashPut task to execTask list failed, errno:%d", errno); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } *moved = true; SCH_TASK_DLOG("task moved to execTask list, numOfTasks:%d", taosHashGetSize(pJob->execTasks)); return TSDB_CODE_SUCCESS; } int32_t schTaskCheckSetRetry(SSchJob *pJob, SSchTask *pTask, int32_t errCode, bool *needRetry) { int8_t status = 0; ++pTask->tryTimes; if (schJobNeedToStop(pJob, &status)) { *needRetry = false; SCH_TASK_DLOG("task no more retry cause of job status, job status:%s", jobTaskStatusStr(status)); return TSDB_CODE_SUCCESS; } if (pTask->tryTimes >= REQUEST_MAX_TRY_TIMES) { *needRetry = false; SCH_TASK_DLOG("task no more retry since reach max try times, tryTimes:%d", pTask->tryTimes); return TSDB_CODE_SUCCESS; } if (!NEED_SCHEDULER_RETRY_ERROR(errCode)) { *needRetry = false; SCH_TASK_DLOG("task no more retry cause of errCode, errCode:%x - %s", errCode, tstrerror(errCode)); return TSDB_CODE_SUCCESS; } //TODO CHECK epList/condidateList if (SCH_IS_DATA_SRC_TASK(pTask)) { if (pTask->tryTimes >= SCH_TASK_NUM_OF_EPS(&pTask->plan->execNode)) { *needRetry = false; SCH_TASK_DLOG("task no more retry since all ep tried, tryTimes:%d, epNum:%d", pTask->tryTimes, SCH_TASK_NUM_OF_EPS(&pTask->plan->execNode)); return TSDB_CODE_SUCCESS; } } else { int32_t candidateNum = taosArrayGetSize(pTask->candidateAddrs); if ((pTask->candidateIdx + 1) >= candidateNum) { *needRetry = false; SCH_TASK_DLOG("task no more retry since all candiates tried, candidateIdx:%d, candidateNum:%d", pTask->candidateIdx, candidateNum); return TSDB_CODE_SUCCESS; } } *needRetry = true; SCH_TASK_DLOG("task need the %dth retry, errCode:%x - %s", pTask->tryTimes, errCode, tstrerror(errCode)); return TSDB_CODE_SUCCESS; } int32_t schHandleTaskRetry(SSchJob *pJob, SSchTask *pTask) { atomic_sub_fetch_32(&pTask->level->taskLaunchedNum, 1); if (SCH_TASK_NEED_FLOW_CTRL(pJob, pTask)) { SCH_ERR_RET(schDecTaskFlowQuota(pJob, pTask)); SCH_ERR_RET(schLaunchTasksInFlowCtrlList(pJob, pTask)); } if (SCH_IS_DATA_SRC_TASK(pTask)) { SCH_SWITCH_EPSET(&pTask->plan->execNode); } else { ++pTask->candidateIdx; } SCH_ERR_RET(schLaunchTask(pJob, pTask)); return TSDB_CODE_SUCCESS; } int32_t schUpdateHbConnection(SQueryNodeEpId *epId, SSchHbTrans *trans) { int32_t code = 0; SSchHbTrans *hb = NULL; while (true) { hb = taosHashGet(schMgmt.hbConnections, epId, sizeof(SQueryNodeEpId)); if (NULL == hb) { code = taosHashPut(schMgmt.hbConnections, epId, sizeof(SQueryNodeEpId), trans, sizeof(SSchHbTrans)); if (code) { if (HASH_NODE_EXIST(code)) { continue; } qError("taosHashPut hb trans failed, nodeId:%d, fqdn:%s, port:%d", epId->nodeId, epId->ep.fqdn, epId->ep.port); SCH_ERR_RET(code); } qDebug("hb connection updated, seqId:%" PRIx64 ", sId:%" PRIx64 ", nodeId:%d, fqdn:%s, port:%d, instance:%p, connection:%p", trans->seqId, schMgmt.sId, epId->nodeId, epId->ep.fqdn, epId->ep.port, trans->trans.transInst, trans->trans.transHandle); return TSDB_CODE_SUCCESS; } break; } SCH_LOCK(SCH_WRITE, &hb->lock); if (hb->seqId >= trans->seqId) { qDebug("hb trans seqId is old, seqId:%" PRId64 ", currentId:%" PRId64 ", nodeId:%d, fqdn:%s, port:%d", trans->seqId, hb->seqId, epId->nodeId, epId->ep.fqdn, epId->ep.port); SCH_UNLOCK(SCH_WRITE, &hb->lock); return TSDB_CODE_SUCCESS; } hb->seqId = trans->seqId; memcpy(&hb->trans, &trans->trans, sizeof(trans->trans)); SCH_UNLOCK(SCH_WRITE, &hb->lock); qDebug("hb connection updated, seqId:%" PRIx64 ", sId:%" PRIx64 ", nodeId:%d, fqdn:%s, port:%d, instance:%p, connection:%p", trans->seqId, schMgmt.sId, epId->nodeId, epId->ep.fqdn, epId->ep.port, trans->trans.transInst, trans->trans.transHandle); return TSDB_CODE_SUCCESS; } void schUpdateJobErrCode(SSchJob *pJob, int32_t errCode) { if (TSDB_CODE_SUCCESS == errCode) { return; } int32_t origCode = atomic_load_32(&pJob->errCode); if (TSDB_CODE_SUCCESS == origCode) { if (origCode == atomic_val_compare_exchange_32(&pJob->errCode, origCode, errCode)) { goto _return; } origCode = atomic_load_32(&pJob->errCode); } if (NEED_CLIENT_HANDLE_ERROR(origCode)) { return; } if (NEED_CLIENT_HANDLE_ERROR(errCode)) { atomic_store_32(&pJob->errCode, errCode); goto _return; } return; _return: SCH_JOB_DLOG("job errCode updated to %x - %s", errCode, tstrerror(errCode)); } int32_t schProcessOnJobFailureImpl(SSchJob *pJob, int32_t status, int32_t errCode) { // if already FAILED, no more processing SCH_ERR_RET(schCheckAndUpdateJobStatus(pJob, status)); schUpdateJobErrCode(pJob, errCode); if (atomic_load_8(&pJob->userFetch) || pJob->attr.syncSchedule) { tsem_post(&pJob->rspSem); } int32_t code = atomic_load_32(&pJob->errCode); SCH_JOB_DLOG("job failed with error: %s", tstrerror(code)); SCH_RET(code); } // Note: no more task error processing, handled in function internal int32_t schProcessOnJobFailure(SSchJob *pJob, int32_t errCode) { SCH_RET(schProcessOnJobFailureImpl(pJob, JOB_TASK_STATUS_FAILED, errCode)); } // Note: no more error processing, handled in function internal int32_t schProcessOnJobDropped(SSchJob *pJob, int32_t errCode) { SCH_RET(schProcessOnJobFailureImpl(pJob, JOB_TASK_STATUS_DROPPING, errCode)); } // Note: no more task error processing, handled in function internal int32_t schProcessOnJobPartialSuccess(SSchJob *pJob) { int32_t code = 0; SCH_ERR_RET(schCheckAndUpdateJobStatus(pJob, JOB_TASK_STATUS_PARTIAL_SUCCEED)); if (pJob->attr.syncSchedule) { tsem_post(&pJob->rspSem); } if (atomic_load_8(&pJob->userFetch)) { SCH_ERR_JRET(schFetchFromRemote(pJob)); } return TSDB_CODE_SUCCESS; _return: SCH_RET(schProcessOnJobFailure(pJob, code)); } int32_t schProcessOnDataFetched(SSchJob *job) { atomic_val_compare_exchange_32(&job->remoteFetch, 1, 0); tsem_post(&job->rspSem); } // Note: no more task error processing, handled in function internal int32_t schProcessOnTaskFailure(SSchJob *pJob, SSchTask *pTask, int32_t errCode) { int8_t status = 0; if (schJobNeedToStop(pJob, &status)) { SCH_TASK_DLOG("task failed not processed cause of job status, job status:%s", jobTaskStatusStr(status)); SCH_RET(atomic_load_32(&pJob->errCode)); } bool needRetry = false; bool moved = false; int32_t taskDone = 0; int32_t code = 0; SCH_TASK_DLOG("taskOnFailure, code:%s", tstrerror(errCode)); SCH_ERR_JRET(schTaskCheckSetRetry(pJob, pTask, errCode, &needRetry)); if (!needRetry) { SCH_TASK_ELOG("task failed and no more retry, code:%s", tstrerror(errCode)); if (SCH_GET_TASK_STATUS(pTask) == JOB_TASK_STATUS_EXECUTING) { SCH_ERR_JRET(schMoveTaskToFailList(pJob, pTask, &moved)); } else { SCH_TASK_ELOG("task not in executing list, status:%s", SCH_GET_TASK_STATUS_STR(pTask)); SCH_ERR_JRET(TSDB_CODE_SCH_STATUS_ERROR); } SCH_SET_TASK_STATUS(pTask, JOB_TASK_STATUS_FAILED); if (SCH_IS_WAIT_ALL_JOB(pJob)) { SCH_LOCK(SCH_WRITE, &pTask->level->lock); pTask->level->taskFailed++; taskDone = pTask->level->taskSucceed + pTask->level->taskFailed; SCH_UNLOCK(SCH_WRITE, &pTask->level->lock); schUpdateJobErrCode(pJob, errCode); if (taskDone < pTask->level->taskNum) { SCH_TASK_DLOG("need to wait other tasks, doneNum:%d, allNum:%d", taskDone, pTask->level->taskNum); SCH_RET(errCode); } } } else { SCH_ERR_JRET(schHandleTaskRetry(pJob, pTask)); return TSDB_CODE_SUCCESS; } _return: SCH_RET(schProcessOnJobFailure(pJob, errCode)); } // Note: no more task error processing, handled in function internal int32_t schProcessOnTaskSuccess(SSchJob *pJob, SSchTask *pTask) { bool moved = false; int32_t code = 0; SCH_TASK_DLOG("taskOnSuccess, status:%s", SCH_GET_TASK_STATUS_STR(pTask)); SCH_ERR_JRET(schMoveTaskToSuccList(pJob, pTask, &moved)); SCH_SET_TASK_STATUS(pTask, JOB_TASK_STATUS_PARTIAL_SUCCEED); SCH_ERR_JRET(schRecordTaskSucceedNode(pJob, pTask)); SCH_ERR_JRET(schLaunchTasksInFlowCtrlList(pJob, pTask)); int32_t parentNum = pTask->parents ? (int32_t)taosArrayGetSize(pTask->parents) : 0; if (parentNum == 0) { int32_t taskDone = 0; if (SCH_IS_WAIT_ALL_JOB(pJob)) { SCH_LOCK(SCH_WRITE, &pTask->level->lock); pTask->level->taskSucceed++; taskDone = pTask->level->taskSucceed + pTask->level->taskFailed; SCH_UNLOCK(SCH_WRITE, &pTask->level->lock); if (taskDone < pTask->level->taskNum) { SCH_TASK_DLOG("wait all tasks, done:%d, all:%d", taskDone, pTask->level->taskNum); return TSDB_CODE_SUCCESS; } else if (taskDone > pTask->level->taskNum) { SCH_TASK_ELOG("taskDone number invalid, done:%d, total:%d", taskDone, pTask->level->taskNum); } if (pTask->level->taskFailed > 0) { SCH_RET(schProcessOnJobFailure(pJob, 0)); } else { SCH_RET(schProcessOnJobPartialSuccess(pJob)); } } else { pJob->resNode = pTask->succeedAddr; } pJob->fetchTask = pTask; SCH_ERR_JRET(schMoveTaskToExecList(pJob, pTask, &moved)); SCH_RET(schProcessOnJobPartialSuccess(pJob)); } /* if (SCH_IS_DATA_SRC_TASK(task) && job->dataSrcEps.numOfEps < SCH_MAX_CANDIDATE_EP_NUM) { strncpy(job->dataSrcEps.fqdn[job->dataSrcEps.numOfEps], task->execAddr.fqdn, sizeof(task->execAddr.fqdn)); job->dataSrcEps.port[job->dataSrcEps.numOfEps] = task->execAddr.port; ++job->dataSrcEps.numOfEps; } */ for (int32_t i = 0; i < parentNum; ++i) { SSchTask *par = *(SSchTask **)taosArrayGet(pTask->parents, i); int32_t readyNum = atomic_add_fetch_32(&par->childReady, 1); SCH_LOCK(SCH_WRITE, &par->lock); SDownstreamSourceNode source = {.type = QUERY_NODE_DOWNSTREAM_SOURCE, .taskId = pTask->taskId, .schedId = schMgmt.sId, .addr = pTask->succeedAddr}; qSetSubplanExecutionNode(par->plan, pTask->plan->id.groupId, &source); SCH_UNLOCK(SCH_WRITE, &par->lock); if (SCH_TASK_READY_TO_LUNCH(readyNum, par)) { SCH_ERR_RET(schLaunchTaskImpl(pJob, par)); } } return TSDB_CODE_SUCCESS; _return: SCH_RET(schProcessOnJobFailure(pJob, code)); } // Note: no more error processing, handled in function internal int32_t schFetchFromRemote(SSchJob *pJob) { int32_t code = 0; if (atomic_val_compare_exchange_32(&pJob->remoteFetch, 0, 1) != 0) { SCH_JOB_ELOG("prior fetching not finished, remoteFetch:%d", atomic_load_32(&pJob->remoteFetch)); return TSDB_CODE_SUCCESS; } void *resData = atomic_load_ptr(&pJob->resData); if (resData) { atomic_val_compare_exchange_32(&pJob->remoteFetch, 1, 0); SCH_JOB_DLOG("res already fetched, res:%p", resData); return TSDB_CODE_SUCCESS; } SCH_ERR_JRET(schBuildAndSendMsg(pJob, pJob->fetchTask, &pJob->resNode, TDMT_VND_FETCH)); return TSDB_CODE_SUCCESS; _return: atomic_val_compare_exchange_32(&pJob->remoteFetch, 1, 0); SCH_RET(schProcessOnTaskFailure(pJob, pJob->fetchTask, code)); } // Note: no more task error processing, handled in function internal int32_t schHandleResponseMsg(SSchJob *pJob, SSchTask *pTask, int32_t msgType, char *msg, int32_t msgSize, int32_t rspCode) { int32_t code = 0; int8_t status = 0; if (schJobNeedToStop(pJob, &status)) { SCH_TASK_ELOG("rsp not processed cause of job status, job status:%s, rspCode:0x%x", jobTaskStatusStr(status), rspCode); SCH_RET(atomic_load_32(&pJob->errCode)); } SCH_ERR_JRET(schValidateTaskReceivedMsgType(pJob, pTask, msgType)); switch (msgType) { case TDMT_VND_CREATE_TABLE_RSP: { SVCreateTbBatchRsp batchRsp = {0}; if (msg) { tDeserializeSVCreateTbBatchRsp(msg, msgSize, &batchRsp); if (batchRsp.rspList) { int32_t num = taosArrayGetSize(batchRsp.rspList); for (int32_t i = 0; i < num; ++i) { SVCreateTbRsp *rsp = taosArrayGet(batchRsp.rspList, i); if (NEED_CLIENT_HANDLE_ERROR(rsp->code)) { taosArrayDestroy(batchRsp.rspList); SCH_ERR_JRET(rsp->code); } } taosArrayDestroy(batchRsp.rspList); } } SCH_ERR_JRET(rspCode); SCH_ERR_RET(schProcessOnTaskSuccess(pJob, pTask)); break; } case TDMT_VND_SUBMIT_RSP: { if (msg) { SSubmitRsp *rsp = (SSubmitRsp *)msg; SCH_ERR_JRET(rsp->code); pJob->resNumOfRows += rsp->affectedRows; } SCH_ERR_JRET(rspCode); SCH_ERR_RET(schProcessOnTaskSuccess(pJob, pTask)); break; } case TDMT_VND_QUERY_RSP: { SQueryTableRsp rsp = {0}; if (msg) { tDeserializeSQueryTableRsp(msg, msgSize, &rsp); SCH_ERR_JRET(rsp.code); } SCH_ERR_JRET(rspCode); if (NULL == msg) { SCH_ERR_JRET(TSDB_CODE_QRY_INVALID_INPUT); } SCH_ERR_JRET(schBuildAndSendMsg(pJob, pTask, NULL, TDMT_VND_RES_READY)); break; } case TDMT_VND_RES_READY_RSP: { SResReadyRsp *rsp = (SResReadyRsp *)msg; SCH_ERR_JRET(rspCode); if (NULL == msg) { SCH_ERR_JRET(TSDB_CODE_QRY_INVALID_INPUT); } SCH_ERR_JRET(rsp->code); SCH_ERR_RET(schProcessOnTaskSuccess(pJob, pTask)); break; } case TDMT_VND_FETCH_RSP: { SRetrieveTableRsp *rsp = (SRetrieveTableRsp *)msg; SCH_ERR_JRET(rspCode); if (NULL == msg) { SCH_ERR_JRET(TSDB_CODE_QRY_INVALID_INPUT); } if (pJob->resData) { SCH_TASK_ELOG("got fetch rsp while res already exists, res:%p", pJob->resData); tfree(rsp); SCH_ERR_JRET(TSDB_CODE_SCH_STATUS_ERROR); } atomic_store_ptr(&pJob->resData, rsp); atomic_add_fetch_32(&pJob->resNumOfRows, htonl(rsp->numOfRows)); if (rsp->completed) { SCH_SET_TASK_STATUS(pTask, JOB_TASK_STATUS_SUCCEED); } SCH_TASK_DLOG("got fetch rsp, rows:%d, complete:%d", htonl(rsp->numOfRows), rsp->completed); schProcessOnDataFetched(pJob); break; } case TDMT_VND_DROP_TASK_RSP: { // SHOULD NEVER REACH HERE SCH_TASK_ELOG("invalid status to handle drop task rsp, refId:%" PRIx64, pJob->refId); SCH_ERR_JRET(TSDB_CODE_SCH_INTERNAL_ERROR); break; } default: SCH_TASK_ELOG("unknown rsp msg, type:%d, status:%s", msgType, SCH_GET_TASK_STATUS_STR(pTask)); SCH_ERR_JRET(TSDB_CODE_QRY_INVALID_INPUT); } return TSDB_CODE_SUCCESS; _return: SCH_RET(schProcessOnTaskFailure(pJob, pTask, code)); } int32_t schHandleCallback(void* param, const SDataBuf* pMsg, int32_t msgType, int32_t rspCode) { int32_t code = 0; SSchCallbackParam *pParam = (SSchCallbackParam *)param; SSchTask *pTask = NULL; SSchJob *pJob = schAcquireJob(pParam->refId); if (NULL == pJob) { qError("QID:0x%" PRIx64 ",TID:0x%" PRIx64 "taosAcquireRef job failed, may be dropped, refId:%" PRIx64, pParam->queryId, pParam->taskId, pParam->refId); SCH_ERR_JRET(TSDB_CODE_QRY_JOB_FREED); } int32_t s = taosHashGetSize(pJob->execTasks); if (s <= 0) { SCH_JOB_ELOG("empty execTask list, refId:%" PRIx64 ", taskId:%" PRIx64, pParam->refId, pParam->taskId); SCH_ERR_JRET(TSDB_CODE_SCH_INTERNAL_ERROR); } SSchTask **task = taosHashGet(pJob->execTasks, &pParam->taskId, sizeof(pParam->taskId)); if (NULL == task || NULL == (*task)) { SCH_JOB_ELOG("task not found in execTask list, refId:%" PRIx64 ", taskId:%" PRIx64, pParam->refId, pParam->taskId); SCH_ERR_JRET(TSDB_CODE_SCH_INTERNAL_ERROR); } pTask = *task; SCH_TASK_DLOG("rsp msg received, type:%s, code:%s", TMSG_INFO(msgType), tstrerror(rspCode)); pTask->handle = pMsg->handle; SCH_ERR_JRET(schHandleResponseMsg(pJob, pTask, msgType, pMsg->pData, pMsg->len, rspCode)); _return: if (pJob) { schReleaseJob(pParam->refId); } tfree(param); SCH_RET(code); } int32_t schHandleSubmitCallback(void* param, const SDataBuf* pMsg, int32_t code) { return schHandleCallback(param, pMsg, TDMT_VND_SUBMIT_RSP, code); } int32_t schHandleCreateTableCallback(void* param, const SDataBuf* pMsg, int32_t code) { return schHandleCallback(param, pMsg, TDMT_VND_CREATE_TABLE_RSP, code); } int32_t schHandleQueryCallback(void* param, const SDataBuf* pMsg, int32_t code) { return schHandleCallback(param, pMsg, TDMT_VND_QUERY_RSP, code); } int32_t schHandleFetchCallback(void* param, const SDataBuf* pMsg, int32_t code) { return schHandleCallback(param, pMsg, TDMT_VND_FETCH_RSP, code); } int32_t schHandleReadyCallback(void* param, const SDataBuf* pMsg, int32_t code) { return schHandleCallback(param, pMsg, TDMT_VND_RES_READY_RSP, code); } int32_t schHandleDropCallback(void* param, const SDataBuf* pMsg, int32_t code) { SSchCallbackParam *pParam = (SSchCallbackParam *)param; qDebug("QID:%"PRIx64",TID:%"PRIx64" drop task rsp received, code:%x", pParam->queryId, pParam->taskId, code); } int32_t schHandleHbCallback(void* param, const SDataBuf* pMsg, int32_t code) { if (code) { qError("hb rsp error:%s", tstrerror(code)); SCH_ERR_RET(code); } SSchedulerHbRsp rsp = {0}; SSchCallbackParam *pParam = (SSchCallbackParam *)param; if (tDeserializeSSchedulerHbRsp(pMsg->pData, pMsg->len, &rsp)) { qError("invalid hb rsp msg, size:%d", pMsg->len); SCH_ERR_RET(TSDB_CODE_QRY_INVALID_INPUT); } if (rsp.seqId != (uint64_t)-1) { SSchHbTrans trans = {0}; trans.seqId = rsp.seqId; trans.trans.transInst = pParam->transport; trans.trans.transHandle = pMsg->handle; SCH_RET(schUpdateHbConnection(&rsp.epId, &trans)); } int32_t taskNum = (int32_t)taosArrayGetSize(rsp.taskStatus); for (int32_t i = 0; i < taskNum; ++i) { STaskStatus *taskStatus = taosArrayGet(rsp.taskStatus, i); SSchJob *pJob = schAcquireJob(taskStatus->refId); if (NULL == pJob) { qWarn("job not found, refId:0x%" PRIx64 ",QID:0x%" PRIx64 ",TID:0x%" PRIx64, taskStatus->refId, taskStatus->queryId, taskStatus->taskId); //TODO DROP TASK FROM SERVER!!!! continue; } // TODO schReleaseJob(taskStatus->refId); } _return: tFreeSSchedulerHbRsp(&rsp); SCH_RET(code); } int32_t schGetCallbackFp(int32_t msgType, __async_send_cb_fn_t *fp) { switch (msgType) { case TDMT_VND_CREATE_TABLE: *fp = schHandleCreateTableCallback; break; case TDMT_VND_SUBMIT: *fp = schHandleSubmitCallback; break; case TDMT_VND_QUERY: *fp = schHandleQueryCallback; break; case TDMT_VND_RES_READY: *fp = schHandleReadyCallback; break; case TDMT_VND_FETCH: *fp = schHandleFetchCallback; break; case TDMT_VND_DROP_TASK: *fp = schHandleDropCallback; break; case TDMT_VND_QUERY_HEARTBEAT: *fp = schHandleHbCallback; break; default: qError("unknown msg type for callback, msgType:%d", msgType); SCH_ERR_RET(TSDB_CODE_QRY_APP_ERROR); } return TSDB_CODE_SUCCESS; } int32_t schAsyncSendMsg(SSchJob *pJob, SSchTask *pTask, void *transport, SEpSet* epSet, int32_t msgType, void *msg, uint32_t msgSize) { int32_t code = 0; SSchTrans *trans = (SSchTrans *)transport; SMsgSendInfo* pMsgSendInfo = calloc(1, sizeof(SMsgSendInfo)); if (NULL == pMsgSendInfo) { SCH_TASK_ELOG("calloc %d failed", (int32_t)sizeof(SMsgSendInfo)); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } SSchCallbackParam *param = calloc(1, sizeof(SSchCallbackParam)); if (NULL == param) { SCH_TASK_ELOG("calloc %d failed", (int32_t)sizeof(SSchCallbackParam)); SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY); } __async_send_cb_fn_t fp = NULL; SCH_ERR_JRET(schGetCallbackFp(msgType, &fp)); param->queryId = pJob->queryId; param->refId = pJob->refId; param->taskId = SCH_TASK_ID(pTask); param->transport = trans->transInst; pMsgSendInfo->param = param; pMsgSendInfo->msgInfo.pData = msg; pMsgSendInfo->msgInfo.len = msgSize; pMsgSendInfo->msgInfo.handle = trans->transHandle; pMsgSendInfo->msgType = msgType; pMsgSendInfo->fp = fp; int64_t transporterId = 0; code = asyncSendMsgToServer(trans->transInst, epSet, &transporterId, pMsgSendInfo); if (code) { SCH_ERR_JRET(code); } SCH_TASK_DLOG("req msg sent, refId:%" PRIx64 ", type:%d, %s", pJob->refId, msgType, TMSG_INFO(msgType)); return TSDB_CODE_SUCCESS; _return: tfree(param); tfree(pMsgSendInfo); SCH_RET(code); } int32_t schBuildAndSendMsg(SSchJob *pJob, SSchTask *pTask, SQueryNodeAddr *addr, int32_t msgType) { uint32_t msgSize = 0; void *msg = NULL; int32_t code = 0; bool isCandidateAddr = false; if (NULL == addr) { addr = taosArrayGet(pTask->candidateAddrs, pTask->candidateIdx); isCandidateAddr = true; } SEpSet epSet = addr->epSet; switch (msgType) { case TDMT_VND_CREATE_TABLE: case TDMT_VND_SUBMIT: { msgSize = pTask->msgLen; msg = calloc(1, msgSize); if (NULL == msg) { SCH_TASK_ELOG("calloc %d failed", msgSize); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } memcpy(msg, pTask->msg, msgSize); break; } case TDMT_VND_QUERY: { uint32_t len = strlen(pJob->sql); msgSize = sizeof(SSubQueryMsg) + pTask->msgLen + len; msg = calloc(1, msgSize); if (NULL == msg) { SCH_TASK_ELOG("calloc %d failed", msgSize); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } SSubQueryMsg *pMsg = msg; pMsg->header.vgId = htonl(addr->nodeId); pMsg->sId = htobe64(schMgmt.sId); pMsg->queryId = htobe64(pJob->queryId); pMsg->taskId = htobe64(pTask->taskId); pMsg->refId = htobe64(pJob->refId); pMsg->taskType = TASK_TYPE_TEMP; pMsg->phyLen = htonl(pTask->msgLen); pMsg->sqlLen = htonl(len); memcpy(pMsg->msg, pJob->sql, len); memcpy(pMsg->msg + len, pTask->msg, pTask->msgLen); break; } case TDMT_VND_RES_READY: { msgSize = sizeof(SResReadyReq); msg = calloc(1, msgSize); if (NULL == msg) { SCH_TASK_ELOG("calloc %d failed", msgSize); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } SResReadyReq *pMsg = msg; pMsg->header.vgId = htonl(addr->nodeId); pMsg->sId = htobe64(schMgmt.sId); pMsg->queryId = htobe64(pJob->queryId); pMsg->taskId = htobe64(pTask->taskId); break; } case TDMT_VND_FETCH: { msgSize = sizeof(SResFetchReq); msg = calloc(1, msgSize); if (NULL == msg) { SCH_TASK_ELOG("calloc %d failed", msgSize); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } SResFetchReq *pMsg = msg; pMsg->header.vgId = htonl(addr->nodeId); pMsg->sId = htobe64(schMgmt.sId); pMsg->queryId = htobe64(pJob->queryId); pMsg->taskId = htobe64(pTask->taskId); break; } case TDMT_VND_DROP_TASK:{ msgSize = sizeof(STaskDropReq); msg = calloc(1, msgSize); if (NULL == msg) { SCH_TASK_ELOG("calloc %d failed", msgSize); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } STaskDropReq *pMsg = msg; pMsg->header.vgId = htonl(addr->nodeId); pMsg->sId = htobe64(schMgmt.sId); pMsg->queryId = htobe64(pJob->queryId); pMsg->taskId = htobe64(pTask->taskId); pMsg->refId = htobe64(pJob->refId); break; } case TDMT_VND_QUERY_HEARTBEAT: { SSchedulerHbReq req = {0}; req.sId = schMgmt.sId; req.header.vgId = addr->nodeId; req.epId.nodeId = addr->nodeId; memcpy(&req.epId.ep, SCH_GET_CUR_EP(addr), sizeof(SEp)); msgSize = tSerializeSSchedulerHbReq(NULL, 0, &req); if (msgSize < 0) { SCH_JOB_ELOG("tSerializeSSchedulerHbReq hbReq failed, size:%d", msgSize); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } msg = calloc(1, msgSize); if (NULL == msg) { SCH_JOB_ELOG("calloc %d failed", msgSize); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } if (tSerializeSSchedulerHbReq(msg, msgSize, &req) < 0) { SCH_JOB_ELOG("tSerializeSSchedulerHbReq hbReq failed, size:%d", msgSize); SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY); } break; } default: SCH_TASK_ELOG("unknown msg type to send, msgType:%d", msgType); SCH_ERR_RET(TSDB_CODE_SCH_INTERNAL_ERROR); break; } SCH_SET_TASK_LASTMSG_TYPE(pTask, msgType); SSchTrans trans = {.transInst = pJob->transport, .transHandle = pTask ? pTask->handle : NULL}; SCH_ERR_JRET(schAsyncSendMsg(pJob, pTask, &trans, &epSet, msgType, msg, msgSize)); if (isCandidateAddr) { SCH_ERR_RET(schRecordTaskExecNode(pJob, pTask, addr)); } return TSDB_CODE_SUCCESS; _return: SCH_SET_TASK_LASTMSG_TYPE(pTask, -1); tfree(msg); SCH_RET(code); } int32_t schEnsureHbConnection(SSchJob *pJob, SSchTask *pTask) { SQueryNodeAddr *addr = taosArrayGet(pTask->candidateAddrs, pTask->candidateIdx); SQueryNodeEpId epId = {0}; epId.nodeId = addr->nodeId; memcpy(&epId.ep, SCH_GET_CUR_EP(addr), sizeof(SEp)); SSchHbTrans *hb = taosHashGet(schMgmt.hbConnections, &epId, sizeof(SQueryNodeEpId)); if (NULL == hb) { SCH_ERR_RET(schBuildAndSendMsg(pJob, NULL, addr, TDMT_VND_QUERY_HEARTBEAT)); } return TSDB_CODE_SUCCESS; } int32_t schLaunchTaskImpl(SSchJob *pJob, SSchTask *pTask) { int8_t status = 0; int32_t code = 0; atomic_add_fetch_32(&pTask->level->taskLaunchedNum, 1); if (schJobNeedToStop(pJob, &status)) { SCH_TASK_DLOG("no need to launch task cause of job status, job status:%s", jobTaskStatusStr(status)); SCH_RET(atomic_load_32(&pJob->errCode)); } // NOTE: race condition: the task should be put into the hash table before send msg to server if (SCH_GET_TASK_STATUS(pTask) != JOB_TASK_STATUS_EXECUTING) { SCH_ERR_RET(schPushTaskToExecList(pJob, pTask)); SCH_SET_TASK_STATUS(pTask, JOB_TASK_STATUS_EXECUTING); } SSubplan *plan = pTask->plan; if (NULL == pTask->msg) { // TODO add more detailed reason for failure code = qSubPlanToString(plan, &pTask->msg, &pTask->msgLen); if (TSDB_CODE_SUCCESS != code) { SCH_TASK_ELOG("failed to create physical plan, code:%s, msg:%p, len:%d", tstrerror(code), pTask->msg, pTask->msgLen); SCH_ERR_RET(code); } else { SCH_TASK_DLOG("physical plan len:%d, %s", pTask->msgLen, pTask->msg); } } SCH_ERR_RET(schSetTaskCandidateAddrs(pJob, pTask)); if (SCH_IS_QUERY_JOB(pJob)) { SCH_ERR_RET(schEnsureHbConnection(pJob, pTask)); } SCH_ERR_RET(schBuildAndSendMsg(pJob, pTask, NULL, plan->msgType)); return TSDB_CODE_SUCCESS; } // Note: no more error processing, handled in function internal int32_t schLaunchTask(SSchJob *pJob, SSchTask *pTask) { bool enough = false; int32_t code = 0; if (SCH_TASK_NEED_FLOW_CTRL(pJob, pTask)) { SCH_ERR_JRET(schCheckIncTaskFlowQuota(pJob, pTask, &enough)); if (enough) { SCH_ERR_JRET(schLaunchTaskImpl(pJob, pTask)); } } else { SCH_ERR_JRET(schLaunchTaskImpl(pJob, pTask)); } return TSDB_CODE_SUCCESS; _return: SCH_RET(schProcessOnTaskFailure(pJob, pTask, code)); } int32_t schLaunchLevelTasks(SSchJob *pJob, SSchLevel *level) { for (int32_t i = 0; i < level->taskNum; ++i) { SSchTask *pTask = taosArrayGet(level->subTasks, i); SCH_ERR_RET(schLaunchTask(pJob, pTask)); } return TSDB_CODE_SUCCESS; } int32_t schLaunchJob(SSchJob *pJob) { SSchLevel *level = taosArrayGet(pJob->levels, pJob->levelIdx); SCH_ERR_RET(schCheckAndUpdateJobStatus(pJob, JOB_TASK_STATUS_EXECUTING)); SCH_ERR_RET(schCheckJobNeedFlowCtrl(pJob, level)); SCH_ERR_RET(schLaunchLevelTasks(pJob, level)); return TSDB_CODE_SUCCESS; } void schDropTaskOnExecutedNode(SSchJob *pJob, SSchTask *pTask) { if (NULL == pTask->execAddrs) { SCH_TASK_DLOG("no exec address, status:%s", SCH_GET_TASK_STATUS_STR(pTask)); return; } int32_t size = (int32_t)taosArrayGetSize(pTask->execAddrs); if (size <= 0) { SCH_TASK_DLOG("task has no exec address, no need to drop it, status:%s", SCH_GET_TASK_STATUS_STR(pTask)); return; } SQueryNodeAddr *addr = NULL; for (int32_t i = 0; i < size; ++i) { addr = (SQueryNodeAddr *)taosArrayGet(pTask->execAddrs, i); schBuildAndSendMsg(pJob, pTask, addr, TDMT_VND_DROP_TASK); } SCH_TASK_DLOG("task has %d exec address", size); } void schDropTaskInHashList(SSchJob *pJob, SHashObj *list) { if (!SCH_IS_NEED_DROP_JOB(pJob)) { return; } void *pIter = taosHashIterate(list, NULL); while (pIter) { SSchTask *pTask = *(SSchTask **)pIter; schDropTaskOnExecutedNode(pJob, pTask); pIter = taosHashIterate(list, pIter); } } void schDropJobAllTasks(SSchJob *pJob) { schDropTaskInHashList(pJob, pJob->execTasks); schDropTaskInHashList(pJob, pJob->succTasks); schDropTaskInHashList(pJob, pJob->failTasks); } int32_t schCancelJob(SSchJob *pJob) { //TODO //TODO MOVE ALL TASKS FROM EXEC LIST TO FAIL LIST } void schFreeJobImpl(void *job) { if (NULL == job) { return; } SSchJob *pJob = job; uint64_t queryId = pJob->queryId; int64_t refId = pJob->refId; if (pJob->status == JOB_TASK_STATUS_EXECUTING) { schCancelJob(pJob); } schDropJobAllTasks(pJob); pJob->subPlans = NULL; // it is a reference to pDag->pSubplans int32_t numOfLevels = taosArrayGetSize(pJob->levels); for(int32_t i = 0; i < numOfLevels; ++i) { SSchLevel *pLevel = taosArrayGet(pJob->levels, i); schFreeFlowCtrl(pLevel); int32_t numOfTasks = taosArrayGetSize(pLevel->subTasks); for(int32_t j = 0; j < numOfTasks; ++j) { SSchTask* pTask = taosArrayGet(pLevel->subTasks, j); schFreeTask(pTask); } taosArrayDestroy(pLevel->subTasks); } taosHashCleanup(pJob->execTasks); taosHashCleanup(pJob->failTasks); taosHashCleanup(pJob->succTasks); taosArrayDestroy(pJob->levels); taosArrayDestroy(pJob->nodeList); tfree(pJob->resData); tfree(pJob); qDebug("QID:0x%"PRIx64" job freed, refId:%" PRIx64 ", pointer:%p", queryId, refId, pJob); } static int32_t schExecJobImpl(void *transport, SArray *pNodeList, SQueryPlan* pDag, int64_t *job, const char* sql, bool syncSchedule) { qDebug("QID:0x%"PRIx64" job started", pDag->queryId); if (pNodeList == NULL || (pNodeList && taosArrayGetSize(pNodeList) <= 0)) { qDebug("QID:0x%"PRIx64" input exec nodeList is empty", pDag->queryId); } int32_t code = 0; SSchJob *pJob = calloc(1, sizeof(SSchJob)); if (NULL == pJob) { qError("QID:%"PRIx64" calloc %d failed", pDag->queryId, (int32_t)sizeof(SSchJob)); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } pJob->attr.syncSchedule = syncSchedule; pJob->transport = transport; pJob->sql = sql; if (pNodeList != NULL) { pJob->nodeList = taosArrayDup(pNodeList); } SCH_ERR_JRET(schValidateAndBuildJob(pDag, pJob)); pJob->execTasks = taosHashInit(pDag->numOfSubplans, taosGetDefaultHashFunction(TSDB_DATA_TYPE_UBIGINT), false, HASH_ENTRY_LOCK); if (NULL == pJob->execTasks) { SCH_JOB_ELOG("taosHashInit %d execTasks failed", pDag->numOfSubplans); SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY); } pJob->succTasks = taosHashInit(pDag->numOfSubplans, taosGetDefaultHashFunction(TSDB_DATA_TYPE_UBIGINT), false, HASH_ENTRY_LOCK); if (NULL == pJob->succTasks) { SCH_JOB_ELOG("taosHashInit %d succTasks failed", pDag->numOfSubplans); SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY); } pJob->failTasks = taosHashInit(pDag->numOfSubplans, taosGetDefaultHashFunction(TSDB_DATA_TYPE_UBIGINT), false, HASH_ENTRY_LOCK); if (NULL == pJob->failTasks) { SCH_JOB_ELOG("taosHashInit %d failTasks failed", pDag->numOfSubplans); SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY); } tsem_init(&pJob->rspSem, 0, 0); pJob->refId = taosAddRef(schMgmt.jobRef, pJob); if (pJob->refId < 0) { SCH_JOB_ELOG("taosHashPut job failed, error:%s", tstrerror(terrno)); SCH_ERR_JRET(terrno); } SCH_JOB_DLOG("job refId:%" PRIx64, pJob->refId); pJob->status = JOB_TASK_STATUS_NOT_START; SCH_ERR_JRET(schLaunchJob(pJob)); schAcquireJob(pJob->refId); *job = pJob->refId; if (syncSchedule) { SCH_JOB_DLOG("will wait for rsp now, job status:%s", SCH_GET_JOB_STATUS_STR(pJob)); tsem_wait(&pJob->rspSem); } SCH_JOB_DLOG("job exec done, job status:%s", SCH_GET_JOB_STATUS_STR(pJob)); schReleaseJob(pJob->refId); return TSDB_CODE_SUCCESS; _return: schFreeJobImpl(pJob); SCH_RET(code); } int32_t schedulerInit(SSchedulerCfg *cfg) { if (schMgmt.jobRef) { qError("scheduler already initialized"); return TSDB_CODE_QRY_INVALID_INPUT; } if (cfg) { schMgmt.cfg = *cfg; if (schMgmt.cfg.maxJobNum == 0) { schMgmt.cfg.maxJobNum = SCHEDULE_DEFAULT_MAX_JOB_NUM; } if (schMgmt.cfg.maxNodeTableNum <= 0) { schMgmt.cfg.maxNodeTableNum = SCHEDULE_DEFAULT_MAX_NODE_TABLE_NUM; } } else { schMgmt.cfg.maxJobNum = SCHEDULE_DEFAULT_MAX_JOB_NUM; schMgmt.cfg.maxNodeTableNum = SCHEDULE_DEFAULT_MAX_NODE_TABLE_NUM; } schMgmt.jobRef = taosOpenRef(schMgmt.cfg.maxJobNum, schFreeJobImpl); if (schMgmt.jobRef < 0) { qError("init schduler jobRef failed, num:%u", schMgmt.cfg.maxJobNum); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } schMgmt.hbConnections = taosHashInit(100, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), false, HASH_ENTRY_LOCK); if (NULL == schMgmt.hbConnections) { qError("taosHashInit hb connections failed"); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } if (taosGetSystemUUID((char *)&schMgmt.sId, sizeof(schMgmt.sId))) { qError("generate schdulerId failed, errno:%d", errno); SCH_ERR_RET(TSDB_CODE_QRY_SYS_ERROR); } qInfo("scheduler %"PRIx64" initizlized, maxJob:%u", schMgmt.sId, schMgmt.cfg.maxJobNum); return TSDB_CODE_SUCCESS; } int32_t schedulerExecJob(void *transport, SArray *nodeList, SQueryPlan* pDag, int64_t *pJob, const char* sql, SQueryResult *pRes) { if (NULL == transport || NULL == pDag || NULL == pDag->pSubplans || NULL == pJob || NULL == pRes) { SCH_ERR_RET(TSDB_CODE_QRY_INVALID_INPUT); } SCH_ERR_RET(schExecJobImpl(transport, nodeList, pDag, pJob, sql, true)); SSchJob *job = schAcquireJob(*pJob); pRes->code = atomic_load_32(&job->errCode); pRes->numOfRows = job->resNumOfRows; schReleaseJob(*pJob); return TSDB_CODE_SUCCESS; } int32_t schedulerAsyncExecJob(void *transport, SArray *pNodeList, SQueryPlan* pDag, const char* sql, int64_t *pJob) { if (NULL == transport || NULL == pDag || NULL == pDag->pSubplans || NULL == pJob) { SCH_ERR_RET(TSDB_CODE_QRY_INVALID_INPUT); } SCH_ERR_RET(schExecJobImpl(transport, pNodeList, pDag, pJob, sql, false)); return TSDB_CODE_SUCCESS; } int32_t schedulerConvertDagToTaskList(SQueryPlan* pDag, SArray **pTasks) { if (NULL == pDag || pDag->numOfSubplans <= 0 || LIST_LENGTH(pDag->pSubplans) == 0) { SCH_ERR_RET(TSDB_CODE_QRY_INVALID_INPUT); } int32_t levelNum = LIST_LENGTH(pDag->pSubplans); if (1 != levelNum) { qError("invalid level num: %d", levelNum); SCH_ERR_RET(TSDB_CODE_QRY_INVALID_INPUT); } SNodeListNode *plans = (SNodeListNode*)nodesListGetNode(pDag->pSubplans, 0); int32_t taskNum = LIST_LENGTH(plans->pNodeList); if (taskNum <= 0) { qError("invalid task num: %d", taskNum); SCH_ERR_RET(TSDB_CODE_QRY_INVALID_INPUT); } SArray *info = taosArrayInit(taskNum, sizeof(STaskInfo)); if (NULL == info) { qError("taosArrayInit %d taskInfo failed", taskNum); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } STaskInfo tInfo = {0}; char *msg = NULL; int32_t msgLen = 0; int32_t code = 0; for (int32_t i = 0; i < taskNum; ++i) { SSubplan *plan = (SSubplan*)nodesListGetNode(plans->pNodeList, i); tInfo.addr = plan->execNode; code = qSubPlanToString(plan, &msg, &msgLen); if (TSDB_CODE_SUCCESS != code) { qError("subplanToString error, code:%x, msg:%p, len:%d", code, msg, msgLen); SCH_ERR_JRET(code); } int32_t msgSize = sizeof(SSubQueryMsg) + msgLen; if (NULL == msg) { qError("calloc %d failed", msgSize); SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY); } SSubQueryMsg* pMsg = calloc(1, msgSize); pMsg->header.vgId = tInfo.addr.nodeId; pMsg->sId = schMgmt.sId; pMsg->queryId = plan->id.queryId; pMsg->taskId = schGenUUID(); pMsg->taskType = TASK_TYPE_PERSISTENT; pMsg->phyLen = msgLen; pMsg->sqlLen = 0; memcpy(pMsg->msg, msg, msgLen); /*memcpy(pMsg->msg, ((SSubQueryMsg*)msg)->msg, msgLen);*/ tInfo.msg = pMsg; if (NULL == taosArrayPush(info, &tInfo)) { qError("taosArrayPush failed, idx:%d", i); free(msg); SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY); } } *pTasks = info; info = NULL; _return: schedulerFreeTaskList(info); SCH_RET(code); } int32_t schedulerCopyTask(STaskInfo *src, SArray **dst, int32_t copyNum) { if (NULL == src || NULL == dst || copyNum <= 0) { SCH_ERR_RET(TSDB_CODE_QRY_INVALID_INPUT); } int32_t code = 0; *dst = taosArrayInit(copyNum, sizeof(STaskInfo)); if (NULL == *dst) { qError("taosArrayInit %d taskInfo failed", copyNum); SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY); } int32_t msgSize = src->msg->phyLen + sizeof(*src->msg); STaskInfo info = {0}; info.addr = src->addr; for (int32_t i = 0; i < copyNum; ++i) { info.msg = malloc(msgSize); if (NULL == info.msg) { qError("malloc %d failed", msgSize); SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY); } memcpy(info.msg, src->msg, msgSize); info.msg->taskId = schGenUUID(); if (NULL == taosArrayPush(*dst, &info)) { qError("taosArrayPush failed, idx:%d", i); free(info.msg); SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY); } } return TSDB_CODE_SUCCESS; _return: schedulerFreeTaskList(*dst); *dst = NULL; SCH_RET(code); } int32_t schedulerFetchRows(int64_t job, void** pData) { if (NULL == pData) { SCH_ERR_RET(TSDB_CODE_QRY_INVALID_INPUT); } int32_t code = 0; SSchJob *pJob = schAcquireJob(job); if (NULL == pJob) { qError("acquire job from jobRef list failed, may be dropped, refId:%" PRIx64, job); SCH_ERR_RET(TSDB_CODE_SCH_STATUS_ERROR); } int8_t status = SCH_GET_JOB_STATUS(pJob); if (status == JOB_TASK_STATUS_DROPPING) { SCH_JOB_ELOG("job is dropping, status:%s", jobTaskStatusStr(status)); schReleaseJob(job); SCH_ERR_RET(TSDB_CODE_SCH_STATUS_ERROR); } if (!SCH_JOB_NEED_FETCH(pJob)) { SCH_JOB_ELOG("no need to fetch data, status:%s", SCH_GET_JOB_STATUS_STR(pJob)); schReleaseJob(job); SCH_ERR_RET(TSDB_CODE_QRY_APP_ERROR); } if (atomic_val_compare_exchange_8(&pJob->userFetch, 0, 1) != 0) { SCH_JOB_ELOG("prior fetching not finished, userFetch:%d", atomic_load_8(&pJob->userFetch)); schReleaseJob(job); SCH_ERR_RET(TSDB_CODE_QRY_APP_ERROR); } if (JOB_TASK_STATUS_FAILED == status || JOB_TASK_STATUS_DROPPING == status) { SCH_JOB_ELOG("job failed or dropping, status:%s", jobTaskStatusStr(status)); SCH_ERR_JRET(atomic_load_32(&pJob->errCode)); } else if (status == JOB_TASK_STATUS_SUCCEED) { SCH_JOB_DLOG("job already succeed, status:%s", jobTaskStatusStr(status)); goto _return; } else if (status == JOB_TASK_STATUS_PARTIAL_SUCCEED) { SCH_ERR_JRET(schFetchFromRemote(pJob)); } tsem_wait(&pJob->rspSem); status = SCH_GET_JOB_STATUS(pJob); if (JOB_TASK_STATUS_FAILED == status || JOB_TASK_STATUS_DROPPING == status) { SCH_JOB_ELOG("job failed or dropping, status:%s", jobTaskStatusStr(status)); SCH_ERR_JRET(atomic_load_32(&pJob->errCode)); } if (pJob->resData && ((SRetrieveTableRsp *)pJob->resData)->completed) { SCH_ERR_JRET(schCheckAndUpdateJobStatus(pJob, JOB_TASK_STATUS_SUCCEED)); } while (true) { *pData = atomic_load_ptr(&pJob->resData); if (*pData != atomic_val_compare_exchange_ptr(&pJob->resData, *pData, NULL)) { continue; } break; } if (NULL == *pData) { SRetrieveTableRsp *rsp = (SRetrieveTableRsp *)calloc(1, sizeof(SRetrieveTableRsp)); if (rsp) { rsp->completed = 1; } *pData = rsp; SCH_JOB_DLOG("empty res and set query complete, code:%x", code); } SCH_JOB_DLOG("fetch done, totalRows:%d, code:%s", pJob->resNumOfRows, tstrerror(code)); _return: atomic_val_compare_exchange_8(&pJob->userFetch, 1, 0); schReleaseJob(job); SCH_RET(code); } int32_t scheduleCancelJob(int64_t job) { SSchJob *pJob = schAcquireJob(job); if (NULL == pJob) { qError("acquire job from jobRef list failed, may be dropped, refId:%" PRIx64, job); SCH_ERR_RET(TSDB_CODE_SCH_STATUS_ERROR); } int32_t code = schCancelJob(pJob); schReleaseJob(job); SCH_RET(code); } void schedulerFreeJob(int64_t job) { SSchJob *pJob = schAcquireJob(job); if (NULL == pJob) { qError("acquire job from jobRef list failed, may be dropped, refId:%" PRIx64, job); return; } if (atomic_load_8(&pJob->userFetch) > 0) { schProcessOnJobDropped(pJob, TSDB_CODE_QRY_JOB_FREED); } SCH_JOB_DLOG("start to remove job from jobRef list, refId:%" PRIx64, job); if (taosRemoveRef(schMgmt.jobRef, job)) { SCH_JOB_ELOG("remove job from job list failed, refId:%" PRIx64, job); } schReleaseJob(job); } void schedulerFreeTaskList(SArray *taskList) { if (NULL == taskList) { return; } int32_t taskNum = taosArrayGetSize(taskList); for (int32_t i = 0; i < taskNum; ++i) { STaskInfo *info = taosArrayGet(taskList, i); tfree(info->msg); } taosArrayDestroy(taskList); } void schedulerDestroy(void) { if (schMgmt.jobRef) { SSchJob *pJob = taosIterateRef(schMgmt.jobRef, 0); while (pJob) { taosRemoveRef(schMgmt.jobRef, pJob->refId); pJob = taosIterateRef(schMgmt.jobRef, pJob->refId); } taosCloseRef(schMgmt.jobRef); schMgmt.jobRef = 0; } }