#ifndef __SHM_QUEUE_WRAPPER_H__
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#define __SHM_QUEUE_WRAPPER_H__
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#include "usg_common.h"
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#include "usg_typedef.h"
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#include "shm_queue.h"
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#include "shm_allocator.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define MAX_ELE_SIZE 512
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typedef struct ele_t {
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char buf[MAX_ELE_SIZE];
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} ele_t;
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typedef struct shmqueue_t {
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size_t ele_size;
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void *mqueue;
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} shmqueue_t;
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/**
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* 初始化
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* @ shmqueue
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* @ key 标识共享队列的唯一key
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* @ queue_size 队列大小
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* @ ele_size 队列中元素大小
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*/
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inline void shmqueue_init(shmqueue_t *shmqueue, int key, int queue_size, int ele_size) {
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if(ele_size > MAX_ELE_SIZE) {
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err_exit(0, "shmqueue_init 元素大小超过设计的最大大小");
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}
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SHMQueue<ele_t> *queue = new SHMQueue<ele_t>(key, queue_size);
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shmqueue->mqueue = (void *)queue;
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shmqueue->ele_size = ele_size;
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}
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/**
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* 销毁
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*/
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inline void shmqueue_destroy(shmqueue_t *shmqueue) {
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delete (SHMQueue<ele_t> *)shmqueue->mqueue;
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}
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/**
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* 队列元素的个数
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*/
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inline uint32_t shmqueue_size(shmqueue_t *shmqueue) {
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return ((SHMQueue<ele_t> *)(shmqueue->mqueue))->size();
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}
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/**
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* 是否已满
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*/
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inline int shmqueue_full(shmqueue_t *shmqueue) {
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return ((SHMQueue<ele_t> *)(shmqueue->mqueue))->full();
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}
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/**
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* 是否为空
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*/
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inline int shmqueue_empty(shmqueue_t *shmqueue) {
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return ((SHMQueue<ele_t> *)(shmqueue->mqueue))->empty();
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}
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/**
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* 入队, 队列满时等待
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*/
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inline int shmqueue_push(shmqueue_t *shmqueue, void *src_ele) {
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ele_t dest_ele;
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memcpy(&dest_ele.buf, src_ele, shmqueue->ele_size);
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return ((SHMQueue<ele_t> *)(shmqueue->mqueue))->push(dest_ele);
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}
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/**
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* 入队, 队列满时立即返回
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*/
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inline int shmqueue_push_nowait(shmqueue_t *shmqueue, void *src_ele) {
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ele_t dest_ele;
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memcpy(&dest_ele.buf, src_ele, shmqueue->ele_size);
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return ((SHMQueue<ele_t> *)(shmqueue->mqueue))->push_nowait(dest_ele);
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}
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/**
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* 入队, 指定时间内入对不成功就返回
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*/
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inline int shmqueue_push_timeout(shmqueue_t *shmqueue, void *src_ele, struct timespec * timeout) {
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ele_t dest_ele;
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memcpy(&dest_ele.buf, src_ele, shmqueue->ele_size);
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return ((SHMQueue<ele_t> *)(shmqueue->mqueue))->push_timeout(dest_ele, timeout);
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}
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/**
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* 出队, 队列空时等待
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*/
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inline int shmqueue_pop(shmqueue_t *shmqueue, void *dest_ele) {
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ele_t src_ele;
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bool rv = ((SHMQueue<ele_t> *)(shmqueue->mqueue))->pop(src_ele);
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if (rv) {
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memcpy(dest_ele, &src_ele.buf, shmqueue->ele_size);
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return 1;
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} else {
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return 0;
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}
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}
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/**
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* 出队, 队列空时立即返回
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*/
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inline int shmqueue_pop_nowait(shmqueue_t *shmqueue, void *dest_ele) {
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ele_t src_ele;
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bool rv = ((SHMQueue<ele_t> *)(shmqueue->mqueue))->pop_nowait(src_ele);
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if (rv) {
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memcpy(dest_ele, &src_ele.buf, shmqueue->ele_size);
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return 1;
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} else {
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return 0;
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}
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}
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/**
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* 出队, 指定时间内出对不成功就返回
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*/
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inline int shmqueue_pop_timeout(shmqueue_t *shmqueue, void *dest_ele, struct timespec * timeout) {
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ele_t src_ele;
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bool rv = ((SHMQueue<ele_t> *)(shmqueue->mqueue))->pop_timeout(src_ele, timeout);
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if (rv) {
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memcpy(dest_ele, &src_ele.buf, shmqueue->ele_size);
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return 1;
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} else {
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return 0;
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}
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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