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- /*
- * Copyright 2018-2019 C-SKY Microsystems Co., Ltd.
- * Copyright (C) 2021 Alibaba Group Holding Limited
- * Author: LuChongzhi <chongzhi.lcz@alibaba-inc.com>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
- #ifndef __PRODUCER_CONSUMER_ASYNC_H__
- #define __PRODUCER_CONSUMER_ASYNC_H__
- #include "common.h"
- struct pca_data_info;
- typedef int32_t (*pca_consumed_callback)(struct pca_data_info* data_info);
- typedef struct pca_data_info {
- void* data; /* data pointer */
- uint32_t length; /* data length */
- uint32_t type; /* data type */
- pca_consumed_callback consumed_callback;/* data need free by dispatcher */
- } pca_data_info_t;
- typedef struct pca_data_statistics {
- uint32_t total_delivered; /* Data feeded in */
- uint32_t total_discarded; /* Data discarded because busy */
- uint32_t total_updated; /* New data updated in before consume */
- uint32_t total_consumed; /* Data consumed */
- } pca_data_statistics_t;
- typedef int32_t (*pca_consumer_process)(pca_data_info_t* data_info);
- typedef struct pca_thread_info {
- pthread_t tid; /* thread ID */
- char name[32]; /* thread name */
- sem_t sem_wakeup; /* semphore to wakeup thread */
- bool is_running;
- pca_data_info_t data_info; /* the data delivered from parent */
- bool has_new_data; /* indicate there is new data to handle */
- bool need_unlock_data_mutex; /* Just for mark flag when need unlock */
- pthread_mutex_t mutex_data; /* mutex to protect handling data */
- pca_data_statistics_t stats; /* the statistics of data */
- } pca_thread_info_t;
- typedef struct pca_consumer_processor_info {
- pca_consumer_process process; /* consumer processor function */
- int data_type; /* the data type to be consume */
- char name[16]; /* consumer name for debug */
- } pca_consumer_processor_info_t;
- struct pca_dispatcher_info; /* Declare here but defined below */
- typedef struct pca_consumer_list_info {
- pca_thread_info_t thread_info; /* thread info */
- pca_consumer_processor_info_t processor;/* post processor info */
- struct list_head list; /* to build list */
- struct pca_dispatcher_info* dispatcher; /* dispatcher's pointer */
- } pca_consumer_list_info_t;
- typedef struct {
- pca_data_info_t data_info; /* data_info */
- unsigned int reference_count; /* data using count */
- struct list_head list; /* to build list */
- } pca_data_free_list_info_t;
- typedef struct pca_dispatcher_info {
- pca_thread_info_t thread_info; /* thread info */
- pthread_mutex_t consumer_mutex; /* mutex to protect consumer_list */
- pca_consumer_list_info_t consumer_list; /* consumers list */
- pthread_mutex_t data_free_mutex; /* mutex to protect data_free_list */
- pca_data_free_list_info_t data_free_list;/* data list need to free */
- } pca_dispatcher_info_t;
- int32_t pca_dispatcher_create(pca_dispatcher_info_t** dispatcher, char* name);
- int32_t pca_dispatcher_run(pca_dispatcher_info_t* dispatcher);
- int32_t pca_dispatcher_feed(pca_dispatcher_info_t* dispatcher,
- void *data, int32_t data_type);
- int32_t pca_dispatcher_stop(pca_dispatcher_info_t* dispatcher);
- int32_t pca_dispatcher_destory(pca_dispatcher_info_t* dispatcher);
- int32_t pca_add_consumer_processor(pca_dispatcher_info_t* dispatcher,
- pca_consumer_processor_info_t *processor);
- int32_t pca_remove_consumer_processor(pca_dispatcher_info_t* dispatcher,
- pca_consumer_processor_info_t *processor);
- int32_t pca_feed_consumers(pca_dispatcher_info_t* dispatcher,
- pca_data_info_t* data_info);
- int32_t pca_feed_dispatcher(pca_dispatcher_info_t* dispatcher,
- pca_data_info_t* data_info);
- #endif /* __PRODUCER_CONSUMER_ASYNC_H__ */
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