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homework-jianmu/source/libs/scheduler/src/scheduler.c

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/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "catalog.h"
#include "command.h"
#include "query.h"
#include "schedulerInt.h"
#include "tmsg.h"
#include "tref.h"
#include "trpc.h"
SSchedulerMgmt schMgmt = {
.jobRef = -1,
};
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); }
#if 0
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;
}
#endif
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->execNodes = taosArrayInit(SCH_MAX_CANDIDATE_EP_NUM, sizeof(SSchNodeInfo));
if (NULL == pTask->execNodes) {
SCH_TASK_ELOG("taosArrayInit %d execNodes failed", SCH_MAX_CANDIDATE_EP_NUM);
SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
return TSDB_CODE_SUCCESS;
}
int32_t schInitJob(SSchJob **pSchJob, SQueryPlan *pDag, void *transport, SArray *pNodeList, const char *sql,
int64_t startTs, bool syncSchedule) {
int32_t code = 0;
int64_t refId = -1;
SSchJob *pJob = taosMemoryCalloc(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.explainMode = pDag->explainInfo.mode;
pJob->attr.syncSchedule = syncSchedule;
pJob->transport = transport;
pJob->sql = sql;
if (pNodeList != NULL) {
pJob->nodeList = taosArrayDup(pNodeList);
}
SCH_ERR_JRET(schValidateAndBuildJob(pDag, pJob));
if (SCH_IS_EXPLAIN_JOB(pJob)) {
SCH_ERR_JRET(qExecExplainBegin(pDag, &pJob->explainCtx, startTs));
}
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);
refId = taosAddRef(schMgmt.jobRef, pJob);
if (refId < 0) {
SCH_JOB_ELOG("taosAddRef job failed, error:%s", tstrerror(terrno));
SCH_ERR_JRET(terrno);
}
atomic_add_fetch_32(&schMgmt.jobNum, 1);
if (NULL == schAcquireJob(refId)) {
SCH_JOB_ELOG("schAcquireJob job failed, refId:%" PRIx64, refId);
SCH_ERR_JRET(TSDB_CODE_SCH_STATUS_ERROR);
}
pJob->refId = refId;
SCH_JOB_DLOG("job refId:%" PRIx64, pJob->refId);
pJob->status = JOB_TASK_STATUS_NOT_START;
*pSchJob = pJob;
return TSDB_CODE_SUCCESS;
_return:
if (refId < 0) {
schFreeJobImpl(pJob);
} else {
taosRemoveRef(schMgmt.jobRef, refId);
}
SCH_RET(code);
}
void schFreeRpcCtx(SRpcCtx *pCtx) {
if (NULL == pCtx) {
return;
}
void *pIter = taosHashIterate(pCtx->args, NULL);
while (pIter) {
SRpcCtxVal *ctxVal = (SRpcCtxVal *)pIter;
(*ctxVal->freeFunc)(ctxVal->val);
pIter = taosHashIterate(pCtx->args, pIter);
}
taosHashCleanup(pCtx->args);
if (pCtx->brokenVal.freeFunc) {
(*pCtx->brokenVal.freeFunc)(pCtx->brokenVal.val);
}
}
void schFreeTask(SSchTask *pTask) {
if (pTask->candidateAddrs) {
taosArrayDestroy(pTask->candidateAddrs);
}
taosMemoryFreeClear(pTask->msg);
if (pTask->children) {
taosArrayDestroy(pTask->children);
}
if (pTask->parents) {
taosArrayDestroy(pTask->parents);
}
if (pTask->execNodes) {
taosArrayDestroy(pTask->execNodes);
}
}
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);
int32_t reqMsgType = msgType - 1;
switch (msgType) {
case TDMT_SCH_LINK_BROKEN:
case TDMT_VND_EXPLAIN_RSP:
return TSDB_CODE_SUCCESS;
case TDMT_VND_QUERY_RSP: // query_rsp may be processed later than ready_rsp
if (lastMsgType != reqMsgType && -1 != lastMsgType && TDMT_VND_FETCH != lastMsgType) {
SCH_TASK_DLOG("rsp msg type mis-match, last sent msgType:%s, rspType:%s", TMSG_INFO(lastMsgType),
TMSG_INFO(msgType));
}
if (taskStatus != JOB_TASK_STATUS_EXECUTING && taskStatus != JOB_TASK_STATUS_PARTIAL_SUCCEED) {
SCH_TASK_DLOG("rsp msg conflicted with task status, status:%s, rspType:%s", jobTaskStatusStr(taskStatus),
TMSG_INFO(msgType));
}
SCH_SET_TASK_LASTMSG_TYPE(pTask, -1);
return TSDB_CODE_SUCCESS;
case TDMT_VND_RES_READY_RSP:
reqMsgType = TDMT_VND_QUERY;
if (lastMsgType != reqMsgType && -1 != lastMsgType) {
SCH_TASK_ELOG("rsp msg type mis-match, last sent msgType:%s, rspType:%s",
(lastMsgType > 0 ? TMSG_INFO(lastMsgType) : "null"), 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);
}
SCH_SET_TASK_LASTMSG_TYPE(pTask, -1);
return TSDB_CODE_SUCCESS;
case TDMT_VND_FETCH_RSP:
if (lastMsgType != reqMsgType && -1 != lastMsgType) {
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);
}
SCH_SET_TASK_LASTMSG_TYPE(pTask, -1);
return TSDB_CODE_SUCCESS;
case TDMT_VND_CREATE_TABLE_RSP:
case TDMT_VND_DROP_TABLE_RSP:
case TDMT_VND_SUBMIT_RSP:
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);
}
if (lastMsgType != reqMsgType) {
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);
}
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);
return TSDB_CODE_SUCCESS;
}
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, void *handle) {
SSchNodeInfo nodeInfo = {.addr = *addr, .handle = handle};
if (NULL == taosArrayPush(pTask->execNodes, &nodeInfo)) {
SCH_TASK_ELOG("taosArrayPush nodeInfo to execNodes list failed, errno:%d", errno);
SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
SCH_TASK_DLOG("task execNode recorded, handle:%p", handle);
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, SSchTrans *trans) {
int32_t code = 0;
SSchHbTrans *hb = NULL;
hb = taosHashGet(schMgmt.hbConnections, epId, sizeof(SQueryNodeEpId));
if (NULL == hb) {
qError("taosHashGet hb connection failed, nodeId:%d, fqdn:%s, port:%d", epId->nodeId, epId->ep.fqdn, epId->ep.port);
SCH_ERR_RET(TSDB_CODE_QRY_APP_ERROR);
}
SCH_LOCK(SCH_WRITE, &hb->lock);
memcpy(&hb->trans, trans, sizeof(*trans));
SCH_UNLOCK(SCH_WRITE, &hb->lock);
qDebug("hb connection updated, sId:%" PRIx64 ", nodeId:%d, fqdn:%s, port:%d, instance:%p, handle:%p", schMgmt.sId,
epId->nodeId, epId->ep.fqdn, epId->ep.port, trans->transInst, 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));
}
void 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));
}
int32_t schProcessOnExplainDone(SSchJob *pJob, SSchTask *pTask, SRetrieveTableRsp *pRsp) {
SCH_TASK_DLOG("got explain rsp, rows:%d, complete:%d", htonl(pRsp->numOfRows), pRsp->completed);
atomic_store_32(&pJob->resNumOfRows, htonl(pRsp->numOfRows));
atomic_store_ptr(&pJob->resData, pRsp);
SCH_SET_TASK_STATUS(pTask, JOB_TASK_STATUS_SUCCEED);
schProcessOnDataFetched(pJob);
return TSDB_CODE_SUCCESS;
}
// 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) {
SDecoder coder = {0};
tDecoderInit(&coder, msg, msgSize);
code = tDecodeSVCreateTbBatchRsp(&coder, &batchRsp);
if (TSDB_CODE_SUCCESS == code && batchRsp.nRsps > 0) {
for (int32_t i = 0; i < batchRsp.nRsps; ++i) {
SVCreateTbRsp *rsp = batchRsp.pRsps + i;
if (NEED_CLIENT_HANDLE_ERROR(rsp->code)) {
tDecoderClear(&coder);
SCH_ERR_JRET(rsp->code);
} else if (TSDB_CODE_SUCCESS != rsp->code) {
code = rsp->code;
}
}
}
tDecoderClear(&coder);
SCH_ERR_JRET(code);
}
SCH_ERR_JRET(rspCode);
SCH_ERR_RET(schProcessOnTaskSuccess(pJob, pTask));
break;
}
case TDMT_VND_DROP_TABLE_RSP: {
SVDropTbBatchRsp batchRsp = {0};
if (msg) {
SDecoder coder = {0};
tDecoderInit(&coder, msg, msgSize);
code = tDecodeSVDropTbBatchRsp(&coder, &batchRsp);
if (TSDB_CODE_SUCCESS == code && batchRsp.nRsps > 0) {
for (int32_t i = 0; i < batchRsp.nRsps; ++i) {
SVDropTbRsp *rsp = batchRsp.pRsps + i;
if (NEED_CLIENT_HANDLE_ERROR(rsp->code)) {
tDecoderClear(&coder);
SCH_ERR_JRET(rsp->code);
} else if (TSDB_CODE_SUCCESS != rsp->code) {
code = rsp->code;
}
}
}
tDecoderClear(&coder);
SCH_ERR_JRET(code);
}
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);
}
SCH_ERR_JRET(rspCode);
SSubmitRsp *rsp = (SSubmitRsp *)msg;
if (rsp) {
pJob->resNumOfRows += rsp->affectedRows;
}
SCH_ERR_RET(schProcessOnTaskSuccess(pJob, pTask));
break;
}
case TDMT_VND_QUERY_RSP: {
SQueryTableRsp rsp = {0};
if (msg) {
SCH_ERR_JRET(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_EXPLAIN_RSP: {
SCH_ERR_JRET(rspCode);
if (NULL == msg) {
SCH_ERR_JRET(TSDB_CODE_QRY_INVALID_INPUT);
}
if (!SCH_IS_EXPLAIN_JOB(pJob)) {
SCH_TASK_ELOG("invalid msg received for none explain query, msg type:%s", TMSG_INFO(msgType));
SCH_ERR_JRET(TSDB_CODE_QRY_INVALID_INPUT);
}
if (pJob->resData) {
SCH_TASK_ELOG("explain result is already generated, res:%p", pJob->resData);
SCH_ERR_JRET(TSDB_CODE_SCH_STATUS_ERROR);
}
SExplainRsp rsp = {0};
if (tDeserializeSExplainRsp(msg, msgSize, &rsp)) {
taosMemoryFree(rsp.subplanInfo);
SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
SRetrieveTableRsp *pRsp = NULL;
SCH_ERR_JRET(qExplainUpdateExecInfo(pJob->explainCtx, &rsp, pTask->plan->id.groupId, &pRsp));
if (pRsp) {
SCH_ERR_JRET(schProcessOnExplainDone(pJob, pTask, pRsp));
}
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 (SCH_IS_EXPLAIN_JOB(pJob)) {
if (rsp->completed) {
SRetrieveTableRsp *pRsp = NULL;
SCH_ERR_JRET(qExecExplainEnd(pJob->explainCtx, &pRsp));
if (pRsp) {
SCH_ERR_JRET(schProcessOnExplainDone(pJob, pTask, pRsp));
}
return TSDB_CODE_SUCCESS;
}
atomic_val_compare_exchange_32(&pJob->remoteFetch, 1, 0);
SCH_ERR_JRET(schFetchFromRemote(pJob));
return TSDB_CODE_SUCCESS;
}
if (pJob->resData) {
SCH_TASK_ELOG("got fetch rsp while res already exists, res:%p", pJob->resData);
taosMemoryFreeClear(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;
}
case TDMT_SCH_LINK_BROKEN:
SCH_TASK_ELOG("link broken received, error:%x - %s", rspCode, tstrerror(rspCode));
SCH_ERR_JRET(rspCode);
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 schGetTaskFromTaskList(SHashObj *pTaskList, uint64_t taskId, SSchTask **pTask) {
int32_t s = taosHashGetSize(pTaskList);
if (s <= 0) {
return TSDB_CODE_SUCCESS;
}
SSchTask **task = taosHashGet(pTaskList, &taskId, sizeof(taskId));
if (NULL == task || NULL == (*task)) {
return TSDB_CODE_SUCCESS;
}
*pTask = *task;
return TSDB_CODE_SUCCESS;
}
int32_t schUpdateTaskExecNodeHandle(SSchTask *pTask, void *handle, int32_t rspCode) {
if (rspCode || NULL == pTask->execNodes || taosArrayGetSize(pTask->execNodes) > 1 ||
taosArrayGetSize(pTask->execNodes) <= 0) {
return TSDB_CODE_SUCCESS;
}
SSchNodeInfo *nodeInfo = taosArrayGet(pTask->execNodes, 0);
nodeInfo->handle = handle;
return TSDB_CODE_SUCCESS;
}
int32_t schHandleCallback(void *param, const SDataBuf *pMsg, int32_t msgType, int32_t rspCode) {
int32_t code = 0;
SSchTaskCallbackParam *pParam = (SSchTaskCallbackParam *)param;
SSchTask *pTask = NULL;
SSchJob *pJob = schAcquireJob(pParam->refId);
if (NULL == pJob) {
qWarn("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);
}
schGetTaskFromTaskList(pJob->execTasks, pParam->taskId, &pTask);
if (NULL == pTask) {
if (TDMT_VND_EXPLAIN_RSP == msgType) {
schGetTaskFromTaskList(pJob->succTasks, pParam->taskId, &pTask);
} else {
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);
}
}
if (NULL == pTask) {
SCH_JOB_ELOG("task not found in execList & succList, refId:%" PRIx64 ", taskId:%" PRIx64, pParam->refId,
pParam->taskId);
SCH_ERR_JRET(TSDB_CODE_SCH_INTERNAL_ERROR);
}
SCH_TASK_DLOG("rsp msg received, type:%s, handle:%p, code:%s", TMSG_INFO(msgType), pMsg->handle, tstrerror(rspCode));
SCH_SET_TASK_HANDLE(pTask, pMsg->handle);
schUpdateTaskExecNodeHandle(pTask, pMsg->handle, rspCode);
SCH_ERR_JRET(schHandleResponseMsg(pJob, pTask, msgType, pMsg->pData, pMsg->len, rspCode));
_return:
if (pJob) {
schReleaseJob(pParam->refId);
}
taosMemoryFreeClear(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 schHandleDropTableCallback(void *param, const SDataBuf *pMsg, int32_t code) {
return schHandleCallback(param, pMsg, TDMT_VND_DROP_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 schHandleExplainCallback(void *param, const SDataBuf *pMsg, int32_t code) {
return schHandleCallback(param, pMsg, TDMT_VND_EXPLAIN_RSP, code);
}
int32_t schHandleDropCallback(void *param, const SDataBuf *pMsg, int32_t code) {
SSchTaskCallbackParam *pParam = (SSchTaskCallbackParam *)param;
qDebug("QID:%" PRIx64 ",TID:%" PRIx64 " drop task rsp received, code:%x", pParam->queryId, pParam->taskId, code);
return TSDB_CODE_SUCCESS;
}
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};
if (tDeserializeSSchedulerHbRsp(pMsg->pData, pMsg->len, &rsp)) {
qError("invalid hb rsp msg, size:%d", pMsg->len);
SCH_ERR_RET(TSDB_CODE_QRY_INVALID_INPUT);
}
SSchTaskCallbackParam *pParam = (SSchTaskCallbackParam *)param;
SSchTrans trans = {0};
trans.transInst = pParam->transport;
trans.transHandle = pMsg->handle;
SCH_ERR_RET(schUpdateHbConnection(&rsp.epId, &trans));
int32_t taskNum = (int32_t)taosArrayGetSize(rsp.taskStatus);
qDebug("%d task status in hb rsp, nodeId:%d, fqdn:%s, port:%d", taskNum, rsp.epId.nodeId, rsp.epId.ep.fqdn,
rsp.epId.ep.port);
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
SCH_JOB_DLOG("TID:0x%" PRIx64 " task status in server: %s", taskStatus->taskId,
jobTaskStatusStr(taskStatus->status));
schReleaseJob(taskStatus->refId);
}
_return:
tFreeSSchedulerHbRsp(&rsp);
SCH_RET(code);
}
int32_t schHandleLinkBrokenCallback(void *param, const SDataBuf *pMsg, int32_t code) {
SSchCallbackParamHeader *head = (SSchCallbackParamHeader *)param;
rpcReleaseHandle(pMsg->handle, TAOS_CONN_CLIENT);
qDebug("handle %p is broken", pMsg->handle);
if (head->isHbParam) {
SSchHbCallbackParam *hbParam = (SSchHbCallbackParam *)param;
SSchTrans trans = {.transInst = hbParam->transport, .transHandle = NULL};
SCH_ERR_RET(schUpdateHbConnection(&hbParam->nodeEpId, &trans));
SCH_ERR_RET(schBuildAndSendHbMsg(&hbParam->nodeEpId));
} else {
SCH_ERR_RET(schHandleCallback(param, pMsg, TDMT_SCH_LINK_BROKEN, code));
}
return TSDB_CODE_SUCCESS;
}
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_DROP_TABLE:
*fp = schHandleDropTableCallback;
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_EXPLAIN:
*fp = schHandleExplainCallback;
break;
case TDMT_VND_FETCH:
*fp = schHandleFetchCallback;
break;
case TDMT_VND_DROP_TASK:
*fp = schHandleDropCallback;
break;
case TDMT_VND_QUERY_HEARTBEAT:
*fp = schHandleHbCallback;
break;
case TDMT_SCH_LINK_BROKEN:
*fp = schHandleLinkBrokenCallback;
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 schGenerateTaskCallBackAHandle(SSchJob *pJob, SSchTask *pTask, int32_t msgType, SMsgSendInfo **pMsgSendInfo) {
int32_t code = 0;
SMsgSendInfo *msgSendInfo = taosMemoryCalloc(1, sizeof(SMsgSendInfo));
if (NULL == msgSendInfo) {
SCH_TASK_ELOG("calloc %d failed", (int32_t)sizeof(SMsgSendInfo));
SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
SSchTaskCallbackParam *param = taosMemoryCalloc(1, sizeof(SSchTaskCallbackParam));
if (NULL == param) {
SCH_TASK_ELOG("calloc %d failed", (int32_t)sizeof(SSchTaskCallbackParam));
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 = pJob->transport;
msgSendInfo->param = param;
msgSendInfo->fp = fp;
*pMsgSendInfo = msgSendInfo;
return TSDB_CODE_SUCCESS;
_return:
taosMemoryFree(param);
taosMemoryFree(msgSendInfo);
SCH_RET(code);
}
void schFreeRpcCtxVal(const void *arg) {
if (NULL == arg) {
return;
}
SMsgSendInfo *pMsgSendInfo = (SMsgSendInfo *)arg;
taosMemoryFreeClear(pMsgSendInfo->param);
taosMemoryFreeClear(pMsgSendInfo);
}
int32_t schMakeTaskCallbackParam(SSchJob *pJob, SSchTask *pTask, void **pParam) {
SSchTaskCallbackParam *param = taosMemoryCalloc(1, sizeof(SSchTaskCallbackParam));
if (NULL == param) {
SCH_TASK_ELOG("calloc %d failed", (int32_t)sizeof(SSchTaskCallbackParam));
SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
param->queryId = pJob->queryId;
param->refId = pJob->refId;
param->taskId = SCH_TASK_ID(pTask);
param->transport = pJob->transport;
*pParam = param;
return TSDB_CODE_SUCCESS;
}
int32_t schMakeHbCallbackParam(SSchJob *pJob, SSchTask *pTask, void **pParam) {
SSchHbCallbackParam *param = taosMemoryCalloc(1, sizeof(SSchHbCallbackParam));
if (NULL == param) {
SCH_TASK_ELOG("calloc %d failed", (int32_t)sizeof(SSchHbCallbackParam));
SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
param->head.isHbParam = true;
SQueryNodeAddr *addr = taosArrayGet(pTask->candidateAddrs, pTask->candidateIdx);
param->nodeEpId.nodeId = addr->nodeId;
memcpy(&param->nodeEpId.ep, SCH_GET_CUR_EP(addr), sizeof(SEp));
param->transport = pJob->transport;
*pParam = param;
return TSDB_CODE_SUCCESS;
}
int32_t schMakeBrokenLinkVal(SSchJob *pJob, SSchTask *pTask, SRpcBrokenlinkVal *brokenVal, bool isHb) {
int32_t code = 0;
SMsgSendInfo *pMsgSendInfo = NULL;
pMsgSendInfo = taosMemoryCalloc(1, sizeof(SMsgSendInfo));
if (NULL == pMsgSendInfo) {
SCH_TASK_ELOG("calloc %d failed", (int32_t)sizeof(SMsgSendInfo));
SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
if (isHb) {
SCH_ERR_JRET(schMakeHbCallbackParam(pJob, pTask, &pMsgSendInfo->param));
} else {
SCH_ERR_JRET(schMakeTaskCallbackParam(pJob, pTask, &pMsgSendInfo->param));
}
int32_t msgType = TDMT_SCH_LINK_BROKEN;
__async_send_cb_fn_t fp = NULL;
SCH_ERR_JRET(schGetCallbackFp(msgType, &fp));
pMsgSendInfo->fp = fp;
brokenVal->msgType = msgType;
brokenVal->val = pMsgSendInfo;
brokenVal->clone = schCloneSMsgSendInfo;
brokenVal->freeFunc = schFreeRpcCtxVal;
return TSDB_CODE_SUCCESS;
_return:
taosMemoryFreeClear(pMsgSendInfo->param);
taosMemoryFreeClear(pMsgSendInfo);
SCH_RET(code);
}
int32_t schMakeQueryRpcCtx(SSchJob *pJob, SSchTask *pTask, SRpcCtx *pCtx) {
int32_t code = 0;
SMsgSendInfo *pReadyMsgSendInfo = NULL;
SMsgSendInfo *pExplainMsgSendInfo = NULL;
pCtx->args = taosHashInit(1, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), false, HASH_ENTRY_LOCK);
if (NULL == pCtx->args) {
SCH_TASK_ELOG("taosHashInit %d RpcCtx failed", 1);
SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
SCH_ERR_JRET(schGenerateTaskCallBackAHandle(pJob, pTask, TDMT_VND_RES_READY, &pReadyMsgSendInfo));
SCH_ERR_JRET(schGenerateTaskCallBackAHandle(pJob, pTask, TDMT_VND_EXPLAIN, &pExplainMsgSendInfo));
int32_t msgType = TDMT_VND_RES_READY_RSP;
SRpcCtxVal ctxVal = {.val = pReadyMsgSendInfo, .clone = schCloneSMsgSendInfo, .freeFunc = schFreeRpcCtxVal};
if (taosHashPut(pCtx->args, &msgType, sizeof(msgType), &ctxVal, sizeof(ctxVal))) {
SCH_TASK_ELOG("taosHashPut msg %d to rpcCtx failed", msgType);
SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
msgType = TDMT_VND_EXPLAIN_RSP;
ctxVal.val = pExplainMsgSendInfo;
if (taosHashPut(pCtx->args, &msgType, sizeof(msgType), &ctxVal, sizeof(ctxVal))) {
SCH_TASK_ELOG("taosHashPut msg %d to rpcCtx failed", msgType);
SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
SCH_ERR_JRET(schMakeBrokenLinkVal(pJob, pTask, &pCtx->brokenVal, false));
return TSDB_CODE_SUCCESS;
_return:
taosHashCleanup(pCtx->args);
if (pReadyMsgSendInfo) {
taosMemoryFreeClear(pReadyMsgSendInfo->param);
taosMemoryFreeClear(pReadyMsgSendInfo);
}
if (pExplainMsgSendInfo) {
taosMemoryFreeClear(pExplainMsgSendInfo->param);
taosMemoryFreeClear(pExplainMsgSendInfo);
}
SCH_RET(code);
}
int32_t schMakeHbRpcCtx(SSchJob *pJob, SSchTask *pTask, SRpcCtx *pCtx) {
int32_t code = 0;
SSchHbCallbackParam *param = NULL;
SMsgSendInfo *pMsgSendInfo = NULL;
SQueryNodeAddr *addr = taosArrayGet(pTask->candidateAddrs, pTask->candidateIdx);
SQueryNodeEpId epId = {0};
epId.nodeId = addr->nodeId;
memcpy(&epId.ep, SCH_GET_CUR_EP(addr), sizeof(SEp));
pCtx->args = taosHashInit(1, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), false, HASH_ENTRY_LOCK);
if (NULL == pCtx->args) {
SCH_TASK_ELOG("taosHashInit %d RpcCtx failed", 1);
SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
pMsgSendInfo = taosMemoryCalloc(1, sizeof(SMsgSendInfo));
if (NULL == pMsgSendInfo) {
SCH_TASK_ELOG("calloc %d failed", (int32_t)sizeof(SMsgSendInfo));
SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
param = taosMemoryCalloc(1, sizeof(SSchHbCallbackParam));
if (NULL == param) {
SCH_TASK_ELOG("calloc %d failed", (int32_t)sizeof(SSchHbCallbackParam));
SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
int32_t msgType = TDMT_VND_QUERY_HEARTBEAT_RSP;
__async_send_cb_fn_t fp = NULL;
SCH_ERR_JRET(schGetCallbackFp(TDMT_VND_QUERY_HEARTBEAT, &fp));
param->nodeEpId = epId;
param->transport = pJob->transport;
pMsgSendInfo->param = param;
pMsgSendInfo->fp = fp;
SRpcCtxVal ctxVal = {.val = pMsgSendInfo, .clone = schCloneSMsgSendInfo, .freeFunc = schFreeRpcCtxVal};
if (taosHashPut(pCtx->args, &msgType, sizeof(msgType), &ctxVal, sizeof(ctxVal))) {
SCH_TASK_ELOG("taosHashPut msg %d to rpcCtx failed", msgType);
SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
SCH_ERR_JRET(schMakeBrokenLinkVal(pJob, pTask, &pCtx->brokenVal, true));
return TSDB_CODE_SUCCESS;
_return:
taosHashCleanup(pCtx->args);
taosMemoryFreeClear(param);
taosMemoryFreeClear(pMsgSendInfo);
SCH_RET(code);
}
int32_t schRegisterHbConnection(SSchJob *pJob, SSchTask *pTask, SQueryNodeEpId *epId, bool *exist) {
int32_t code = 0;
SSchHbTrans hb = {0};
hb.trans.transInst = pJob->transport;
SCH_ERR_RET(schMakeHbRpcCtx(pJob, pTask, &hb.rpcCtx));
code = taosHashPut(schMgmt.hbConnections, epId, sizeof(SQueryNodeEpId), &hb, sizeof(SSchHbTrans));
if (code) {
schFreeRpcCtx(&hb.rpcCtx);
if (HASH_NODE_EXIST(code)) {
*exist = true;
return TSDB_CODE_SUCCESS;
}
qError("taosHashPut hb trans failed, nodeId:%d, fqdn:%s, port:%d", epId->nodeId, epId->ep.fqdn, epId->ep.port);
SCH_ERR_RET(code);
}
return TSDB_CODE_SUCCESS;
}
int32_t schCloneCallbackParam(SSchCallbackParamHeader *pSrc, SSchCallbackParamHeader **pDst) {
if (pSrc->isHbParam) {
SSchHbCallbackParam *dst = taosMemoryMalloc(sizeof(SSchHbCallbackParam));
if (NULL == dst) {
qError("malloc SSchHbCallbackParam failed");
SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
memcpy(dst, pSrc, sizeof(*dst));
*pDst = (SSchCallbackParamHeader *)dst;
return TSDB_CODE_SUCCESS;
}
SSchTaskCallbackParam *dst = taosMemoryMalloc(sizeof(SSchTaskCallbackParam));
if (NULL == dst) {
qError("malloc SSchTaskCallbackParam failed");
SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
memcpy(dst, pSrc, sizeof(*dst));
*pDst = (SSchCallbackParamHeader *)dst;
return TSDB_CODE_SUCCESS;
}
int32_t schCloneSMsgSendInfo(void *src, void **dst) {
SMsgSendInfo *pSrc = src;
int32_t code = 0;
SMsgSendInfo *pDst = taosMemoryMalloc(sizeof(*pSrc));
if (NULL == pDst) {
qError("malloc SMsgSendInfo for rpcCtx failed, len:%d", (int32_t)sizeof(*pSrc));
SCH_ERR_RET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
memcpy(pDst, pSrc, sizeof(*pSrc));
pDst->param = NULL;
SCH_ERR_JRET(schCloneCallbackParam(pSrc->param, (SSchCallbackParamHeader **)&pDst->param));
*dst = pDst;
return TSDB_CODE_SUCCESS;
_return:
taosMemoryFreeClear(pDst);
SCH_RET(code);
}
int32_t schCloneHbRpcCtx(SRpcCtx *pSrc, SRpcCtx *pDst) {
int32_t code = 0;
memcpy(&pDst->brokenVal, &pSrc->brokenVal, sizeof(pSrc->brokenVal));
pDst->brokenVal.val = NULL;
SCH_ERR_RET(schCloneSMsgSendInfo(pSrc->brokenVal.val, &pDst->brokenVal.val));
pDst->args = taosHashInit(1, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), false, HASH_ENTRY_LOCK);
if (NULL == pDst->args) {
qError("taosHashInit %d RpcCtx failed", 1);
SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
SRpcCtxVal dst = {0};
void *pIter = taosHashIterate(pSrc->args, NULL);
while (pIter) {
SRpcCtxVal *pVal = (SRpcCtxVal *)pIter;
int32_t *msgType = taosHashGetKey(pIter, NULL);
dst = *pVal;
dst.val = NULL;
SCH_ERR_JRET(schCloneSMsgSendInfo(pVal->val, &dst.val));
if (taosHashPut(pDst->args, msgType, sizeof(*msgType), &dst, sizeof(dst))) {
qError("taosHashPut msg %d to rpcCtx failed", *msgType);
(*dst.freeFunc)(dst.val);
SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
pIter = taosHashIterate(pSrc->args, pIter);
}
return TSDB_CODE_SUCCESS;
_return:
schFreeRpcCtx(pDst);
SCH_RET(code);
}
int32_t schAsyncSendMsg(SSchJob *pJob, SSchTask *pTask, void *transport, SEpSet *epSet, int32_t msgType, void *msg,
uint32_t msgSize, bool persistHandle, SRpcCtx *ctx) {
int32_t code = 0;
SSchTrans *trans = (SSchTrans *)transport;
SMsgSendInfo *pMsgSendInfo = NULL;
SCH_ERR_JRET(schGenerateTaskCallBackAHandle(pJob, pTask, msgType, &pMsgSendInfo));
pMsgSendInfo->msgInfo.pData = msg;
pMsgSendInfo->msgInfo.len = msgSize;
pMsgSendInfo->msgInfo.handle = trans->transHandle;
pMsgSendInfo->msgType = msgType;
qDebug("start to send %s msg to node[%d,%s,%d], refId:%" PRIx64 "instance:%p, handle:%p", TMSG_INFO(msgType),
ntohl(((SMsgHead *)msg)->vgId), epSet->eps[epSet->inUse].fqdn, epSet->eps[epSet->inUse].port, pJob->refId,
trans->transInst, trans->transHandle);
int64_t transporterId = 0;
code = asyncSendMsgToServerExt(trans->transInst, epSet, &transporterId, pMsgSendInfo, persistHandle, ctx);
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:
if (pMsgSendInfo) {
taosMemoryFreeClear(pMsgSendInfo->param);
taosMemoryFreeClear(pMsgSendInfo);
}
SCH_RET(code);
}
int32_t schBuildAndSendHbMsg(SQueryNodeEpId *nodeEpId) {
SSchedulerHbReq req = {0};
int32_t code = 0;
SRpcCtx rpcCtx = {0};
SSchTrans trans = {0};
int32_t msgType = TDMT_VND_QUERY_HEARTBEAT;
req.header.vgId = nodeEpId->nodeId;
req.sId = schMgmt.sId;
memcpy(&req.epId, nodeEpId, sizeof(SQueryNodeEpId));
SSchHbTrans *hb = taosHashGet(schMgmt.hbConnections, nodeEpId, sizeof(SQueryNodeEpId));
if (NULL == hb) {
qError("taosHashGet hb connection failed, nodeId:%d, fqdn:%s, port:%d", nodeEpId->nodeId, nodeEpId->ep.fqdn,
nodeEpId->ep.port);
SCH_ERR_RET(code);
}
SCH_LOCK(SCH_WRITE, &hb->lock);
code = schCloneHbRpcCtx(&hb->rpcCtx, &rpcCtx);
memcpy(&trans, &hb->trans, sizeof(trans));
SCH_UNLOCK(SCH_WRITE, &hb->lock);
SCH_ERR_RET(code);
int32_t msgSize = tSerializeSSchedulerHbReq(NULL, 0, &req);
if (msgSize < 0) {
qError("tSerializeSSchedulerHbReq hbReq failed, size:%d", msgSize);
SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
void *msg = taosMemoryCalloc(1, msgSize);
if (NULL == msg) {
qError("calloc hb req %d failed", msgSize);
SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
if (tSerializeSSchedulerHbReq(msg, msgSize, &req) < 0) {
qError("tSerializeSSchedulerHbReq hbReq failed, size:%d", msgSize);
SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
SMsgSendInfo *pMsgSendInfo = taosMemoryCalloc(1, sizeof(SMsgSendInfo));
if (NULL == pMsgSendInfo) {
qError("calloc SMsgSendInfo failed");
SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
SSchTaskCallbackParam *param = taosMemoryCalloc(1, sizeof(SSchTaskCallbackParam));
if (NULL == param) {
qError("calloc SSchTaskCallbackParam failed");
SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
__async_send_cb_fn_t fp = NULL;
SCH_ERR_JRET(schGetCallbackFp(msgType, &fp));
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;
SEpSet epSet = {.inUse = 0, .numOfEps = 1};
memcpy(&epSet.eps[0], &nodeEpId->ep, sizeof(nodeEpId->ep));
qDebug("start to send hb msg, instance:%p, handle:%p, fqdn:%s, port:%d", trans.transInst, trans.transHandle,
nodeEpId->ep.fqdn, nodeEpId->ep.port);
code = asyncSendMsgToServerExt(trans.transInst, &epSet, &transporterId, pMsgSendInfo, true, &rpcCtx);
if (code) {
qError("fail to send hb msg, instance:%p, handle:%p, fqdn:%s, port:%d, error:%x - %s", trans.transInst,
trans.transHandle, nodeEpId->ep.fqdn, nodeEpId->ep.port, code, tstrerror(code));
SCH_ERR_JRET(code);
}
qDebug("hb msg sent");
return TSDB_CODE_SUCCESS;
_return:
taosMemoryFreeClear(msg);
taosMemoryFreeClear(param);
taosMemoryFreeClear(pMsgSendInfo);
schFreeRpcCtx(&rpcCtx);
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;
bool persistHandle = false;
SRpcCtx rpcCtx = {0};
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_DROP_TABLE:
case TDMT_VND_SUBMIT: {
msgSize = pTask->msgLen;
msg = taosMemoryCalloc(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: {
SCH_ERR_RET(schMakeQueryRpcCtx(pJob, pTask, &rpcCtx));
uint32_t len = strlen(pJob->sql);
msgSize = sizeof(SSubQueryMsg) + pTask->msgLen + len;
msg = taosMemoryCalloc(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->explain = SCH_IS_EXPLAIN_JOB(pJob);
pMsg->phyLen = htonl(pTask->msgLen);
pMsg->sqlLen = htonl(len);
memcpy(pMsg->msg, pJob->sql, len);
memcpy(pMsg->msg + len, pTask->msg, pTask->msgLen);
persistHandle = true;
break;
}
case TDMT_VND_RES_READY: {
msgSize = sizeof(SResReadyReq);
msg = taosMemoryCalloc(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 = taosMemoryCalloc(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 = taosMemoryCalloc(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: {
SCH_ERR_RET(schMakeHbRpcCtx(pJob, pTask, &rpcCtx));
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 = taosMemoryCalloc(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);
}
persistHandle = true;
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 = SCH_GET_TASK_HANDLE(pTask)};
SCH_ERR_JRET(schAsyncSendMsg(pJob, pTask, &trans, &epSet, msgType, msg, msgSize, persistHandle,
(rpcCtx.args ? &rpcCtx : NULL)));
if (msgType == TDMT_VND_QUERY) {
SCH_ERR_RET(schRecordTaskExecNode(pJob, pTask, addr, trans.transHandle));
}
return TSDB_CODE_SUCCESS;
_return:
SCH_SET_TASK_LASTMSG_TYPE(pTask, -1);
schFreeRpcCtx(&rpcCtx);
taosMemoryFreeClear(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));
#if 1
SSchHbTrans *hb = taosHashGet(schMgmt.hbConnections, &epId, sizeof(SQueryNodeEpId));
if (NULL == hb) {
bool exist = false;
SCH_ERR_RET(schRegisterHbConnection(pJob, pTask, &epId, &exist));
if (!exist) {
SCH_ERR_RET(schBuildAndSendHbMsg(&epId));
}
}
#endif
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_DLOGL("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;
SCH_SET_TASK_HANDLE(pTask, NULL);
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->execNodes) {
SCH_TASK_DLOG("no exec address, status:%s", SCH_GET_TASK_STATUS_STR(pTask));
return;
}
int32_t size = (int32_t)taosArrayGetSize(pTask->execNodes);
if (size <= 0) {
SCH_TASK_DLOG("task has no execNodes, no need to drop it, status:%s", SCH_GET_TASK_STATUS_STR(pTask));
return;
}
SSchNodeInfo *nodeInfo = NULL;
for (int32_t i = 0; i < size; ++i) {
nodeInfo = (SSchNodeInfo *)taosArrayGet(pTask->execNodes, i);
SCH_SET_TASK_HANDLE(pTask, nodeInfo->handle);
schBuildAndSendMsg(pJob, pTask, &nodeInfo->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
return TSDB_CODE_SUCCESS;
// TODO MOVE ALL TASKS FROM EXEC LIST TO FAIL LIST
}
void schCloseJobRef(void) {
if (!atomic_load_8((int8_t *)&schMgmt.exit)) {
return;
}
SCH_LOCK(SCH_WRITE, &schMgmt.lock);
if (atomic_load_32(&schMgmt.jobNum) <= 0 && schMgmt.jobRef >= 0) {
taosCloseRef(schMgmt.jobRef);
schMgmt.jobRef = -1;
}
SCH_UNLOCK(SCH_WRITE, &schMgmt.lock);
}
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);
qExplainFreeCtx(pJob->explainCtx);
taosMemoryFreeClear(pJob->resData);
taosMemoryFreeClear(pJob);
qDebug("QID:0x%" PRIx64 " job freed, refId:%" PRIx64 ", pointer:%p", queryId, refId, pJob);
atomic_sub_fetch_32(&schMgmt.jobNum, 1);
schCloseJobRef();
}
static int32_t schExecJobImpl(void *transport, SArray *pNodeList, SQueryPlan *pDag, int64_t *job, const char *sql,
int64_t startTs, bool syncSchedule) {
qDebug("QID:0x%" PRIx64 " job started", pDag->queryId);
if (pNodeList == NULL || taosArrayGetSize(pNodeList) <= 0) {
qDebug("QID:0x%" PRIx64 " input exec nodeList is empty", pDag->queryId);
}
int32_t code = 0;
SSchJob *pJob = NULL;
SCH_ERR_JRET(schInitJob(&pJob, pDag, transport, pNodeList, sql, startTs, syncSchedule));
SCH_ERR_JRET(schLaunchJob(pJob));
*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 schExecStaticExplain(void *transport, SArray *pNodeList, SQueryPlan *pDag, int64_t *job, const char *sql,
bool syncSchedule) {
qDebug("QID:0x%" PRIx64 " job started", pDag->queryId);
int32_t code = 0;
SSchJob *pJob = taosMemoryCalloc(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->sql = sql;
pJob->attr.queryJob = true;
pJob->attr.explainMode = pDag->explainInfo.mode;
pJob->queryId = pDag->queryId;
pJob->subPlans = pDag->pSubplans;
SCH_ERR_JRET(qExecStaticExplain(pDag, (SRetrieveTableRsp **)&pJob->resData));
int64_t refId = taosAddRef(schMgmt.jobRef, pJob);
if (refId < 0) {
SCH_JOB_ELOG("taosAddRef job failed, error:%s", tstrerror(terrno));
SCH_ERR_JRET(terrno);
}
if (NULL == schAcquireJob(refId)) {
SCH_JOB_ELOG("schAcquireJob job failed, refId:%" PRIx64, refId);
SCH_RET(TSDB_CODE_SCH_STATUS_ERROR);
}
pJob->refId = refId;
SCH_JOB_DLOG("job refId:%" PRIx64, pJob->refId);
pJob->status = JOB_TASK_STATUS_PARTIAL_SUCCEED;
*job = pJob->refId;
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 >= 0) {
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,
int64_t startTs, SQueryResult *pRes) {
if (NULL == transport || NULL == pDag || NULL == pDag->pSubplans || NULL == pJob || NULL == pRes) {
SCH_ERR_RET(TSDB_CODE_QRY_INVALID_INPUT);
}
if (EXPLAIN_MODE_STATIC == pDag->explainInfo.mode) {
SCH_ERR_RET(schExecStaticExplain(transport, nodeList, pDag, pJob, sql, true));
} else {
SCH_ERR_RET(schExecJobImpl(transport, nodeList, pDag, pJob, sql, startTs, 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);
}
if (EXPLAIN_MODE_STATIC == pDag->explainInfo.mode) {
SCH_ERR_RET(schExecStaticExplain(transport, pNodeList, pDag, pJob, sql, false));
} else {
SCH_ERR_RET(schExecJobImpl(transport, pNodeList, pDag, pJob, sql, 0, false));
}
return TSDB_CODE_SUCCESS;
}
#if 0
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 = taosMemoryCalloc(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);
taosMemoryFree(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 = taosMemoryMalloc(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);
taosMemoryFree(info.msg);
SCH_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
}
}
return TSDB_CODE_SUCCESS;
_return:
schedulerFreeTaskList(*dst);
*dst = NULL;
SCH_RET(code);
}
#endif
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) {
if (!(pJob->attr.explainMode == EXPLAIN_MODE_STATIC)) {
SCH_ERR_JRET(schFetchFromRemote(pJob));
tsem_wait(&pJob->rspSem);
}
} else {
SCH_JOB_ELOG("job status error for fetch, status:%s", jobTaskStatusStr(status));
SCH_ERR_JRET(TSDB_CODE_SCH_STATUS_ERROR);
}
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 *)taosMemoryCalloc(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 schedulerGetTasksStatus(int64_t job, SArray *pSub) {
int32_t code = 0;
SSchJob *pJob = schAcquireJob(job);
if (NULL == pJob) {
qDebug("acquire job from jobRef list failed, may not started or dropped, refId:%" PRIx64, job);
SCH_ERR_RET(TSDB_CODE_SCH_STATUS_ERROR);
}
if (pJob->status < JOB_TASK_STATUS_NOT_START || pJob->levelNum <= 0 || NULL == pJob->levels) {
qDebug("job not initialized or not executable job, refId:%" PRIx64, job);
SCH_ERR_RET(TSDB_CODE_SCH_STATUS_ERROR);
}
for (int32_t i = pJob->levelNum - 1; i >= 0; --i) {
SSchLevel *pLevel = taosArrayGet(pJob->levels, i);
for (int32_t m = 0; m < pLevel->taskNum; ++m) {
SSchTask *pTask = taosArrayGet(pLevel->subTasks, m);
SQuerySubDesc subDesc = {.tid = pTask->taskId, .status = pTask->status};
taosArrayPush(pSub, &subDesc);
}
}
return TSDB_CODE_SUCCESS;
}
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) {
qDebug("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);
taosMemoryFreeClear(info->msg);
}
taosArrayDestroy(taskList);
}
void schedulerDestroy(void) {
atomic_store_8((int8_t *)&schMgmt.exit, 1);
if (schMgmt.jobRef >= 0) {
SSchJob *pJob = taosIterateRef(schMgmt.jobRef, 0);
int64_t refId = 0;
while (pJob) {
refId = pJob->refId;
if (refId == 0) {
break;
}
taosRemoveRef(schMgmt.jobRef, pJob->refId);
pJob = taosIterateRef(schMgmt.jobRef, refId);
}
}
if (schMgmt.hbConnections) {
void *pIter = taosHashIterate(schMgmt.hbConnections, NULL);
while (pIter != NULL) {
SSchHbTrans *hb = pIter;
schFreeRpcCtx(&hb->rpcCtx);
pIter = taosHashIterate(schMgmt.hbConnections, pIter);
}
taosHashCleanup(schMgmt.hbConnections);
schMgmt.hbConnections = NULL;
}
}
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