/* * 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 . */ #define _DEFAULT_SOURCE #include "tworker.h" #include "taoserror.h" #include "tlog.h" typedef void *(*ThreadFp)(void *param); int32_t tQWorkerInit(SQWorkerPool *pool) { pool->qset = taosOpenQset(); pool->workers = taosMemoryCalloc(pool->max, sizeof(SQWorker)); if (pool->workers == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } if (taosThreadMutexInit(&pool->mutex, NULL)) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } for (int32_t i = 0; i < pool->max; ++i) { SQWorker *worker = pool->workers + i; worker->id = i; worker->pool = pool; } uInfo("worker:%s is initialized, min:%d max:%d", pool->name, pool->min, pool->max); return 0; } void tQWorkerCleanup(SQWorkerPool *pool) { for (int32_t i = 0; i < pool->max; ++i) { SQWorker *worker = pool->workers + i; if (worker == NULL) continue; if (taosCheckPthreadValid(worker->thread)) { taosQsetThreadResume(pool->qset); } } for (int32_t i = 0; i < pool->max; ++i) { SQWorker *worker = pool->workers + i; if (worker == NULL) continue; if (taosCheckPthreadValid(worker->thread)) { taosThreadJoin(worker->thread, NULL); taosThreadClear(&worker->thread); } } taosMemoryFreeClear(pool->workers); taosCloseQset(pool->qset); taosThreadMutexDestroy(&pool->mutex); uDebug("worker:%s is closed", pool->name); } static void *tQWorkerThreadFp(SQWorker *worker) { SQWorkerPool *pool = worker->pool; SQueueInfo qinfo = {0}; void *msg = NULL; int32_t code = 0; taosBlockSIGPIPE(); setThreadName(pool->name); uDebug("worker:%s:%d is running", pool->name, worker->id); while (1) { if (taosReadQitemFromQset(pool->qset, (void **)&msg, &qinfo) == 0) { uDebug("worker:%s:%d qset:%p, got no message and exiting", pool->name, worker->id, pool->qset); break; } if (qinfo.fp != NULL) { qinfo.workerId = worker->id; qinfo.threadNum = pool->num; (*((FItem)qinfo.fp))(&qinfo, msg); } } return NULL; } STaosQueue *tQWorkerAllocQueue(SQWorkerPool *pool, void *ahandle, FItem fp) { taosThreadMutexLock(&pool->mutex); STaosQueue *queue = taosOpenQueue(); if (queue == NULL) { taosThreadMutexUnlock(&pool->mutex); terrno = TSDB_CODE_OUT_OF_MEMORY; return NULL; } taosSetQueueFp(queue, fp, NULL); taosAddIntoQset(pool->qset, queue, ahandle); // spawn a thread to process queue if (pool->num < pool->max) { do { SQWorker *worker = pool->workers + pool->num; TdThreadAttr thAttr; taosThreadAttrInit(&thAttr); taosThreadAttrSetDetachState(&thAttr, PTHREAD_CREATE_JOINABLE); if (taosThreadCreate(&worker->thread, &thAttr, (ThreadFp)tQWorkerThreadFp, worker) != 0) { uError("worker:%s:%d failed to create thread to process since %s", pool->name, worker->id, strerror(errno)); taosCloseQueue(queue); terrno = TSDB_CODE_OUT_OF_MEMORY; queue = NULL; break; } taosThreadAttrDestroy(&thAttr); pool->num++; uDebug("worker:%s:%d is launched, total:%d", pool->name, worker->id, pool->num); } while (pool->num < pool->min); } taosThreadMutexUnlock(&pool->mutex); uDebug("worker:%s, queue:%p is allocated, ahandle:%p", pool->name, queue, ahandle); return queue; } void tQWorkerFreeQueue(SQWorkerPool *pool, STaosQueue *queue) { taosCloseQueue(queue); uDebug("worker:%s, queue:%p is freed", pool->name, queue); } int32_t tWWorkerInit(SWWorkerPool *pool) { pool->nextId = 0; pool->workers = taosMemoryCalloc(pool->max, sizeof(SWWorker)); if (pool->workers == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } if (taosThreadMutexInit(&pool->mutex, NULL) != 0) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } for (int32_t i = 0; i < pool->max; ++i) { SWWorker *worker = pool->workers + i; worker->id = i; worker->qall = NULL; worker->qset = NULL; worker->pool = pool; } uDebug("worker:%s is initialized, max:%d", pool->name, pool->max); return 0; } void tWWorkerCleanup(SWWorkerPool *pool) { for (int32_t i = 0; i < pool->max; ++i) { SWWorker *worker = pool->workers + i; if (taosCheckPthreadValid(worker->thread)) { if (worker->qset) { taosQsetThreadResume(worker->qset); } } } for (int32_t i = 0; i < pool->max; ++i) { SWWorker *worker = pool->workers + i; if (taosCheckPthreadValid(worker->thread)) { taosThreadJoin(worker->thread, NULL); taosThreadClear(&worker->thread); taosFreeQall(worker->qall); taosCloseQset(worker->qset); } } taosMemoryFreeClear(pool->workers); taosThreadMutexDestroy(&pool->mutex); uDebug("worker:%s is closed", pool->name); } static void *tWWorkerThreadFp(SWWorker *worker) { SWWorkerPool *pool = worker->pool; SQueueInfo qinfo = {0}; void *msg = NULL; int32_t code = 0; int32_t numOfMsgs = 0; taosBlockSIGPIPE(); setThreadName(pool->name); uDebug("worker:%s:%d is running", pool->name, worker->id); while (1) { numOfMsgs = taosReadAllQitemsFromQset(worker->qset, worker->qall, &qinfo); if (numOfMsgs == 0) { uDebug("worker:%s:%d qset:%p, got no message and exiting", pool->name, worker->id, worker->qset); break; } if (qinfo.fp != NULL) { qinfo.workerId = worker->id; qinfo.threadNum = pool->num; (*((FItems)qinfo.fp))(&qinfo, worker->qall, numOfMsgs); } } return NULL; } STaosQueue *tWWorkerAllocQueue(SWWorkerPool *pool, void *ahandle, FItems fp) { taosThreadMutexLock(&pool->mutex); SWWorker *worker = pool->workers + pool->nextId; STaosQueue *queue = taosOpenQueue(); if (queue == NULL) { taosThreadMutexUnlock(&pool->mutex); terrno = TSDB_CODE_OUT_OF_MEMORY; return NULL; } taosSetQueueFp(queue, NULL, fp); if (worker->qset == NULL) { worker->qset = taosOpenQset(); if (worker->qset == NULL) { taosCloseQueue(queue); taosThreadMutexUnlock(&pool->mutex); return NULL; } taosAddIntoQset(worker->qset, queue, ahandle); worker->qall = taosAllocateQall(); if (worker->qall == NULL) { taosCloseQset(worker->qset); taosCloseQueue(queue); taosThreadMutexUnlock(&pool->mutex); terrno = TSDB_CODE_OUT_OF_MEMORY; return NULL; } TdThreadAttr thAttr; taosThreadAttrInit(&thAttr); taosThreadAttrSetDetachState(&thAttr, PTHREAD_CREATE_JOINABLE); if (taosThreadCreate(&worker->thread, &thAttr, (ThreadFp)tWWorkerThreadFp, worker) != 0) { uError("worker:%s:%d failed to create thread to process since %s", pool->name, worker->id, strerror(errno)); taosFreeQall(worker->qall); taosCloseQset(worker->qset); taosCloseQueue(queue); terrno = TSDB_CODE_OUT_OF_MEMORY; queue = NULL; } else { uDebug("worker:%s:%d is launched, max:%d", pool->name, worker->id, pool->max); pool->nextId = (pool->nextId + 1) % pool->max; } taosThreadAttrDestroy(&thAttr); pool->num++; if (pool->num > pool->max) pool->num = pool->max; } else { taosAddIntoQset(worker->qset, queue, ahandle); pool->nextId = (pool->nextId + 1) % pool->max; } taosThreadMutexUnlock(&pool->mutex); uDebug("worker:%s, queue:%p is allocated, ahandle:%p", pool->name, queue, ahandle); return queue; } void tWWorkerFreeQueue(SWWorkerPool *pool, STaosQueue *queue) { taosCloseQueue(queue); uDebug("worker:%s, queue:%p is freed", pool->name, queue); } int32_t tSingleWorkerInit(SSingleWorker *pWorker, const SSingleWorkerCfg *pCfg) { SQWorkerPool *pPool = &pWorker->pool; pPool->name = pCfg->name; pPool->min = pCfg->min; pPool->max = pCfg->max; if (tQWorkerInit(pPool) != 0) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } pWorker->queue = tQWorkerAllocQueue(pPool, pCfg->param, pCfg->fp); if (pWorker->queue == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } pWorker->name = pCfg->name; return 0; } void tSingleWorkerCleanup(SSingleWorker *pWorker) { if (pWorker->queue == NULL) return; while (!taosQueueEmpty(pWorker->queue)) { taosMsleep(10); } tQWorkerCleanup(&pWorker->pool); tQWorkerFreeQueue(&pWorker->pool, pWorker->queue); } int32_t tMultiWorkerInit(SMultiWorker *pWorker, const SMultiWorkerCfg *pCfg) { SWWorkerPool *pPool = &pWorker->pool; pPool->name = pCfg->name; pPool->max = pCfg->max; if (tWWorkerInit(pPool) != 0) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } pWorker->queue = tWWorkerAllocQueue(pPool, pCfg->param, pCfg->fp); if (pWorker->queue == NULL) { terrno = TSDB_CODE_OUT_OF_MEMORY; return -1; } pWorker->name = pCfg->name; return 0; } void tMultiWorkerCleanup(SMultiWorker *pWorker) { if (pWorker->queue == NULL) return; while (!taosQueueEmpty(pWorker->queue)) { taosMsleep(10); } tWWorkerCleanup(&pWorker->pool); tWWorkerFreeQueue(&pWorker->pool, pWorker->queue); }