582 lines
19 KiB
C
582 lines
19 KiB
C
#include <string.h>
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#include <stdio.h>
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#include <stdint.h>
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#include "list.h"
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#include "has_task_msg.h"
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#include "has_task_msg_os_port.h"
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// #define MSG_OPT_DYNAMIC_SUB // 允许动态订阅
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// #define MSG_OPT_DEBUG // 调试
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#define MSG_OPT_PUB_LIST // 使用静态发布表(多条消息单次分配内存)
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/* 暂时不支持发布列表和动态订阅同时使用,后续需要再更新支持 */
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#if defined(MSG_OPT_DYNAMIC_SUB) && defined(MSG_OPT_PUB_LIST)
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#error "These two functions are not currently supported to be used together."
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#endif
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#ifdef MSG_OPT_DEBUG
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/* 打开检查订阅表是否配置正确 */
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#define MSG_OPT_CHECK_SUBSCRIBE_LIST
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#endif
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#pragma pack(1)
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#ifdef MSG_OPT_PUB_LIST
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/* 消息数据 */
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typedef struct {
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unsigned char module_id; // 发布的模块ID
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unsigned int node_cnt; // 被引用节点数
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unsigned int length;
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unsigned char buffer[];
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} has_msg_buffer_t;
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/* 消息节点 */
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typedef struct {
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struct list_head list; // 消息链表
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has_msg_buffer_t *msg_buff;
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} has_msg_node_t;
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#else
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/* 消息节点和数据 */
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typedef struct {
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unsigned char module_id; // 发布的模块ID
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struct list_head list; // 消息链表
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unsigned int length;
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unsigned char buffer[];
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} has_msg_node_t;
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#endif
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#pragma pack()
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#ifdef MSG_OPT_PUB_LIST
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/* 静态发布列表 */
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typedef struct {
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unsigned char pub_module[MODULE_MAX - 1]; // 发布表
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#ifdef MSG_OPT_USE_MUTEX
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msg_mutex_t buffer_mutex; // 消息互斥量
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#endif
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unsigned char pub_num;
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} has_static_pub_list_t;
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static has_static_pub_list_t g_pub_list[MODULE_MAX] = {0};
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#endif
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/* 静态订阅列表 */
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typedef struct {
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#if defined(MSG_OPT_CHECK_SUBSCRIBE_LIST) || defined(MSG_OPT_DYNAMIC_SUB)
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unsigned char module_id; // 当前模块ID
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unsigned char sub_module_cnt; // 订阅数量
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unsigned char sub_module[MODULE_MAX - 1]; // 订阅表
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#else
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const unsigned char module_id; // 当前模块ID
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const unsigned char sub_module_cnt; // 订阅数量
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const unsigned char sub_module[MODULE_MAX - 1]; // 订阅表
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#endif
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#ifdef MSG_OPT_USE_MUTEX
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msg_mutex_t msg_mutex; // 消息互斥量
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#endif
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struct list_head msg_list; // 消息链表
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} has_static_sub_list_t;
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static has_static_sub_list_t g_sub_list[] = SUBSCIBE_INFO;
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static unsigned char g_sub_list_index[MODULE_MAX] = {0}; // 订阅表id索引
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#ifdef MSG_OPT_CHECK_SUBSCRIBE_LIST
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#define MSG_CHECK_SUBSCIBE_INFO(id, ret) \
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if ((id) == INVALID_ID) { \
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msg_printf("%s invalid id:0, please check SUBSCIBE_INFO\n", __func__); \
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return (ret);}
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#else
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#define MSG_CHECK_SUBSCIBE_INFO(id, ret)
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#endif
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/* 检查ID是否合法,id:检查的ID,ret:不合法时return的结果 */
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#define MSG_CHECK_MODULE_ID(id, ret) \
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if (((id) >= MODULE_MAX) || ((id) == INVALID_ID)) { \
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msg_printf("%s ID wrong:%d\n", __func__, (id)); return (ret); }
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int has_msg_init() {
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int j;
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memset(g_sub_list_index, 0, sizeof(g_sub_list_index));
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#ifdef MSG_OPT_PUB_LIST
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memset(g_pub_list, 0, sizeof(g_pub_list));
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#endif
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for (int i = 0; i < (sizeof(g_sub_list) / sizeof(g_sub_list[0])); i++) {
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#ifdef MSG_OPT_CHECK_SUBSCRIBE_LIST
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/* 检查各模块ID是否配置正确 */
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if ((g_sub_list[i].module_id >= MODULE_MAX) || (g_sub_list[i].module_id == INVALID_ID)) {
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msg_printf("module_id:%d is invalid, please check the macro:SUBSCIBE_INFO row:%d\n", g_sub_list[i].module_id, i);
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memset(g_sub_list, 0, sizeof(g_sub_list));
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#ifdef MSG_OPT_PUB_LIST
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memset(g_pub_list, 0, sizeof(g_pub_list));
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#endif
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return -1;
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}
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/* 检查订阅表ID是否配置正确 */
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for (j = 0; j < (MODULE_MAX - 1); j++) {
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if (g_sub_list[i].sub_module[j] == INVALID_ID) {
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break;
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} else if (g_sub_list[i].sub_module[j] >= MODULE_MAX) {
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msg_printf("sub_module id:%d is invalid, module:id %d\n please check the macro:\
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SUBSCIBE_INFO row:%d, sub list:%d\n", g_sub_list[i].sub_module[j], g_sub_list[i].module_id, i, j);
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memset(g_sub_list, 0, sizeof(g_sub_list));
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#ifdef MSG_OPT_PUB_LIST
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memset(g_pub_list, 0, sizeof(g_pub_list));
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#endif
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return -1;
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}
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}
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/* 检查订阅数量是否配置正确 */
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if (g_sub_list[i].sub_module_cnt != j) {
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msg_printf("sub_module_cnt is config as %d, which actually is %d, please check the\
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macro: SUBSCIBE_INFO row:%d\n", g_sub_list[i].sub_module_cnt, j, i);
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memset(g_sub_list, 0, sizeof(g_sub_list));
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#ifdef MSG_OPT_PUB_LIST
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memset(g_pub_list, 0, sizeof(g_pub_list));
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#endif
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return -1;
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}
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#endif
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g_sub_list_index[g_sub_list[i].module_id] = i; // 索引表赋值
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#ifdef MSG_OPT_PUB_LIST
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/* 构建发布表 */
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for (int k = 0; k < g_sub_list[i].sub_module_cnt; k++) {
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if (g_pub_list[g_sub_list[i].sub_module[k]].pub_num == 0) {
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msg_mutex_init(&g_pub_list[g_sub_list[i].sub_module[k]].buffer_mutex);
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}
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g_pub_list[g_sub_list[i].sub_module[k]].pub_module[g_pub_list[g_sub_list[i].sub_module[k]].pub_num] = g_sub_list[i].module_id;
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g_pub_list[g_sub_list[i].sub_module[k]].pub_num ++;
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}
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#endif
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msg_mutex_init(&g_sub_list[i].msg_mutex); // 初始化该模块互斥量
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INIT_LIST_HEAD(&g_sub_list[i].msg_list); // 初始化订阅链表
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}
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return 0;
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}
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int has_msg_publish(has_module_ID_e module_id, void *buffer, unsigned int length) {
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has_msg_node_t *node;
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if (buffer == NULL) {
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return -1;
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}
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// if (length == 0) {
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// return -1;
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// }
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#ifdef MSG_OPT_PUB_LIST
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has_msg_buffer_t *msg_buffer;
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unsigned char sub_index;
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MSG_CHECK_MODULE_ID(module_id, -1);
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if (g_pub_list[module_id].pub_num == 0) {
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// msg_printf("no one subscribe you:%d\n", module_id);
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return 0;
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}
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/* 根据订阅表分配内存 */
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node = (has_msg_node_t *)msg_malloc((sizeof(has_msg_node_t) * g_pub_list[module_id].pub_num) + sizeof(has_msg_buffer_t) + length);
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if (node == NULL) {
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msg_printf("malloc fail,pub id:%d\n", module_id);
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return -1;
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}
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msg_buffer = (has_msg_buffer_t *)(&node[g_pub_list[module_id].pub_num]);
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msg_buffer->node_cnt = g_pub_list[module_id].pub_num;
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msg_buffer->length = length;
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msg_buffer->module_id = module_id;
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memcpy(msg_buffer->buffer, buffer, length);
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/* 查订阅表添加消息 */
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for (int i = 0; i < g_pub_list[module_id].pub_num; i++) {
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sub_index = g_sub_list_index[g_pub_list[module_id].pub_module[i]];
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node[i].msg_buff = msg_buffer;
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msg_mutex_lock(&g_sub_list[sub_index].msg_mutex);
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list_add_tail(&node[i].list, &g_sub_list[sub_index].msg_list); // 加入消息链表
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msg_mutex_unlock(&g_sub_list[sub_index].msg_mutex);
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}
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#else
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int i;
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for (i = 0; i < (sizeof(g_sub_list) / sizeof(g_sub_list[0])); i++) { // 遍历模块
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#ifdef MSG_OPT_DYNAMIC_SUB
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msg_mutex_lock(&g_sub_list[i].msg_mutex);
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#endif
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for (int j = 0; j < g_sub_list[i].sub_module_cnt; j++) { // 查找订阅表
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if (module_id == g_sub_list[i].sub_module[j]) { // 找到订阅信息
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node = msg_malloc(sizeof(has_msg_node_t) + length);
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if (node == NULL) {
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msg_printf("malloc fail,pub id:%d\n", module_id);
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#ifdef MSG_OPT_DYNAMIC_SUB
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msg_mutex_unlock(&g_sub_list[i].msg_mutex);
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#endif
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return -1;
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}
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node->length = length;
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node->module_id = module_id;
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memcpy(node->buffer, buffer, length);
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#ifndef MSG_OPT_DYNAMIC_SUB
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msg_mutex_lock(&g_sub_list[i].msg_mutex);
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#endif
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list_add_tail(&node->list, &g_sub_list[i].msg_list); // 加入消息链表
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#ifndef MSG_OPT_DYNAMIC_SUB
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msg_mutex_unlock(&g_sub_list[i].msg_mutex);
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#endif
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break; // 不可重复订阅
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}
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}
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#ifdef MSG_OPT_DYNAMIC_SUB
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msg_mutex_unlock(&g_sub_list[i].msg_mutex);
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#endif
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}
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#endif
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return 0;
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}
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/* TODO:更合理的方式是每个消息一个互斥量,但是可能会导致每个消息malloc和free的时候频繁init和deinit */
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#ifdef MSG_OPT_PUB_LIST
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/* 检查计数判断该消息是否被所有订阅模块处理完,处理完就释放内存
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msg_buff_stu:消息结构体指针 np:节点结构体指针 */
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#define MSG_CHECK_AND_FREE_MESSAGE(msg_buff_stu, np) \
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{ \
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msg_mutex_lock(&g_pub_list[msg_buff_stu->module_id].buffer_mutex); \
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msg_buff_stu->node_cnt --; \
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if (msg_buff_stu->node_cnt == 0) { \
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np = (has_msg_node_t *)((unsigned char *)msg_buff_stu \
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- g_pub_list[msg_buff_stu->module_id].pub_num * sizeof(has_msg_node_t)); \
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msg_free(np);} \
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msg_mutex_unlock(&g_pub_list[msg_buff_stu->module_id].buffer_mutex); \
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}
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#endif
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int has_msg_handle(has_module_ID_e module_id, has_msg_handle_cb cb) {
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has_msg_node_t *node;
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has_static_sub_list_t *sub_list;
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MSG_CHECK_MODULE_ID(module_id, -1);
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sub_list = &g_sub_list[g_sub_list_index[module_id]];
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MSG_CHECK_SUBSCIBE_INFO(sub_list->module_id, -1);
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/* 处理一个消息,先入先出 */
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msg_mutex_lock(&sub_list->msg_mutex);
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if (!list_empty(&sub_list->msg_list)) {
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node = list_first_entry(&sub_list->msg_list, has_msg_node_t, list);
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list_del(&node->list);
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msg_mutex_unlock(&sub_list->msg_mutex);
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} else { // 没有消息需要处理
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msg_mutex_unlock(&sub_list->msg_mutex);
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return -1;
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}
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#ifdef MSG_OPT_PUB_LIST
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has_msg_buffer_t *msg_buffer;
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msg_buffer = node->msg_buff;
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if (cb != NULL) {
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cb(msg_buffer->module_id, msg_buffer->buffer, msg_buffer->length);
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}
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MSG_CHECK_AND_FREE_MESSAGE(msg_buffer, node);
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#else
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if (cb != NULL) {
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cb(node->module_id, node->buffer, node->length);
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}
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#endif
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msg_free(node);
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return 0;
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}
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int has_msg_handle_by_module(has_module_ID_e module_id, has_msg_handle_cb cb, has_module_ID_e pub_module_id) {
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has_msg_node_t *node, *temp;
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has_static_sub_list_t *sub_list;
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MSG_CHECK_MODULE_ID(module_id, -1);
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MSG_CHECK_MODULE_ID(pub_module_id, -1);
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sub_list = &g_sub_list[g_sub_list_index[module_id]];
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MSG_CHECK_SUBSCIBE_INFO(sub_list->module_id, -1);
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/* 处理一个指定模块的消息,先入先出 */
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msg_mutex_lock(&sub_list->msg_mutex);
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if (!list_empty(&sub_list->msg_list)) {
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list_for_each_entry_safe(node, temp, &sub_list->msg_list, list) {
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#ifdef MSG_OPT_PUB_LIST
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if (node->msg_buff->module_id == pub_module_id) {
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#else
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if (node->module_id == pub_module_id) {
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#endif
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list_del(&node->list);
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break;
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}
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}
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msg_mutex_unlock(&sub_list->msg_mutex);
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} else { // 没有消息需要处理
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msg_mutex_unlock(&sub_list->msg_mutex);
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return -1;
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}
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#ifdef MSG_OPT_PUB_LIST
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has_msg_buffer_t *msg_buffer;
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msg_buffer = node->msg_buff;
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if (cb != NULL) {
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cb(msg_buffer->module_id, msg_buffer->buffer, msg_buffer->length);
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}
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MSG_CHECK_AND_FREE_MESSAGE(msg_buffer, node);
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#else
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if (cb != NULL) {
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cb(node->module_id, node->buffer, node->length);
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}
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#endif
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msg_free(node);
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return 0;
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}
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int has_msg_handle_latest(has_module_ID_e module_id, has_msg_handle_cb cb) {
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has_msg_node_t *node;
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has_static_sub_list_t *sub_list;
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MSG_CHECK_MODULE_ID(module_id, -1);
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sub_list = &g_sub_list[g_sub_list_index[module_id]];
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MSG_CHECK_SUBSCIBE_INFO(sub_list->module_id, -1);
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/* 处理最新的消息 */
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msg_mutex_lock(&sub_list->msg_mutex);
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if (!list_empty(&sub_list->msg_list)) {
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node = list_last_entry(&sub_list->msg_list, has_msg_node_t, list);
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list_del(&node->list);
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msg_mutex_unlock(&sub_list->msg_mutex);
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} else { // 没有消息需要处理
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msg_mutex_unlock(&sub_list->msg_mutex);
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return -1;
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}
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#ifdef MSG_OPT_PUB_LIST
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has_msg_buffer_t *msg_buffer;
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msg_buffer = node->msg_buff;
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if (cb != NULL) {
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cb(msg_buffer->module_id, msg_buffer->buffer, msg_buffer->length);
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}
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MSG_CHECK_AND_FREE_MESSAGE(msg_buffer, node);
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#else
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if (cb != NULL) {
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cb(node->module_id, node->buffer, node->length);
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}
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#endif
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msg_free(node);
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return 0;
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}
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/* 将消息复制出接口处理,不建议使用 */
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#if 1
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unsigned int has_msg_receive(has_module_ID_e module_id, unsigned char *pub_module_id, unsigned char *buf_out) {
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has_msg_node_t *node;
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has_static_sub_list_t *sub_list;
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unsigned int len = 0;
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if ((module_id >= MODULE_MAX) || (module_id == INVALID_ID) || (buf_out == NULL)) {
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msg_printf("%s id of buff wrong:%d\n", __func__, module_id);
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return 0;
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}
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sub_list = &g_sub_list[g_sub_list_index[module_id]];
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MSG_CHECK_SUBSCIBE_INFO(sub_list->module_id, 0);
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/* 处理一个消息,先入先出 */
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msg_mutex_lock(&sub_list->msg_mutex);
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if (!list_empty(&sub_list->msg_list)) {
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node = list_first_entry(&sub_list->msg_list, has_msg_node_t, list);
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list_del(&node->list);
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msg_mutex_unlock(&sub_list->msg_mutex);
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} else { // 没有消息需要处理
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msg_mutex_unlock(&sub_list->msg_mutex);
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return 0;
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}
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#ifdef MSG_OPT_PUB_LIST
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has_msg_buffer_t *msg_buffer;
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msg_buffer = node->msg_buff;
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memcpy(buf_out, msg_buffer->buffer, msg_buffer->length);
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if (pub_module_id != NULL) {
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*pub_module_id = msg_buffer->module_id;
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}
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len = msg_buffer->length;
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MSG_CHECK_AND_FREE_MESSAGE(msg_buffer, node);
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#else
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memcpy(buf_out, node->buffer, node->length);
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if (pub_module_id != NULL) {
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*pub_module_id = node->module_id;
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}
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len = node->length;
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msg_free(node);
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#endif
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return len;
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}
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unsigned int has_msg_receive_latest(has_module_ID_e module_id, unsigned char *pub_module_id, unsigned char *buf_out) {
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has_msg_node_t *node;
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has_static_sub_list_t *sub_list;
|
||
unsigned int len = 0;
|
||
if ((module_id >= MODULE_MAX) || (module_id == INVALID_ID) || (buf_out == NULL)) {
|
||
msg_printf("%s id of buff wrong:%d\n", __func__, module_id);
|
||
return 0;
|
||
}
|
||
|
||
sub_list = &g_sub_list[g_sub_list_index[module_id]];
|
||
MSG_CHECK_SUBSCIBE_INFO(sub_list->module_id, 0);
|
||
|
||
/* 处理最新的消息 */
|
||
msg_mutex_lock(&sub_list->msg_mutex);
|
||
if (!list_empty(&sub_list->msg_list)) {
|
||
node = list_last_entry(&sub_list->msg_list, has_msg_node_t, list);
|
||
list_del(&node->list);
|
||
msg_mutex_unlock(&sub_list->msg_mutex);
|
||
} else { // 没有消息需要处理
|
||
msg_mutex_unlock(&sub_list->msg_mutex);
|
||
return 0;
|
||
}
|
||
|
||
#ifdef MSG_OPT_PUB_LIST
|
||
has_msg_buffer_t *msg_buffer;
|
||
msg_buffer = node->msg_buff;
|
||
memcpy(buf_out, msg_buffer->buffer, msg_buffer->length);
|
||
if (pub_module_id != NULL) {
|
||
*pub_module_id = msg_buffer->module_id;
|
||
}
|
||
len = msg_buffer->length;
|
||
MSG_CHECK_AND_FREE_MESSAGE(msg_buffer, node);
|
||
#else
|
||
memcpy(buf_out, node->buffer, node->length);
|
||
if (pub_module_id != NULL) {
|
||
*pub_module_id = node->module_id;
|
||
}
|
||
|
||
len = node->length;
|
||
msg_free(node);
|
||
#endif
|
||
return len;
|
||
}
|
||
#endif
|
||
|
||
unsigned int has_msg_is_message_empty(has_module_ID_e module_id) {
|
||
has_msg_node_t *node, *temp;
|
||
has_static_sub_list_t *sub_list;
|
||
unsigned int num = 0;
|
||
MSG_CHECK_MODULE_ID(module_id, -1);
|
||
|
||
sub_list = &g_sub_list[g_sub_list_index[module_id]];
|
||
MSG_CHECK_SUBSCIBE_INFO(sub_list->module_id, -1);
|
||
|
||
msg_mutex_lock(&sub_list->msg_mutex);
|
||
if (list_empty(&sub_list->msg_list)) {
|
||
msg_mutex_unlock(&sub_list->msg_mutex);
|
||
return 0;
|
||
} else {
|
||
msg_mutex_unlock(&sub_list->msg_mutex);
|
||
return -1;
|
||
}
|
||
}
|
||
|
||
unsigned int has_msg_get_message_number(has_module_ID_e module_id) {
|
||
has_msg_node_t *node, *temp;
|
||
has_static_sub_list_t *sub_list;
|
||
unsigned int num = 0;
|
||
MSG_CHECK_MODULE_ID(module_id, 0);
|
||
|
||
sub_list = &g_sub_list[g_sub_list_index[module_id]];
|
||
MSG_CHECK_SUBSCIBE_INFO(sub_list->module_id, 0);
|
||
|
||
msg_mutex_lock(&sub_list->msg_mutex);
|
||
list_for_each_entry_safe(node, temp, &sub_list->msg_list, list) {
|
||
num ++;
|
||
}
|
||
msg_mutex_unlock(&sub_list->msg_mutex);
|
||
return num;
|
||
}
|
||
|
||
int has_msg_printf_subscribe(has_module_ID_e module_id) {
|
||
has_static_sub_list_t *sub_list;
|
||
MSG_CHECK_MODULE_ID(module_id, -1);
|
||
|
||
sub_list = &g_sub_list[g_sub_list_index[module_id]];
|
||
MSG_CHECK_SUBSCIBE_INFO(sub_list->module_id, -1);
|
||
|
||
msg_printf("module:%d subscribes to:\n", module_id);
|
||
for (int i = 0; i < sub_list->sub_module_cnt; i++) {
|
||
msg_printf("%d ", sub_list->sub_module[i]);
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
int has_msg_delete_all_message(has_module_ID_e module_id) {
|
||
has_msg_node_t *node, *temp;
|
||
has_static_sub_list_t *sub_list;
|
||
MSG_CHECK_MODULE_ID(module_id, -1);
|
||
|
||
sub_list = &g_sub_list[g_sub_list_index[module_id]];
|
||
MSG_CHECK_SUBSCIBE_INFO(sub_list->module_id, -1);
|
||
|
||
msg_mutex_lock(&sub_list->msg_mutex);
|
||
if (!list_empty(&sub_list->msg_list)) {
|
||
list_for_each_entry_safe(node, temp, &sub_list->msg_list, list) {
|
||
list_del(&node->list);
|
||
msg_free(node);
|
||
}
|
||
}
|
||
INIT_LIST_HEAD(&sub_list->msg_list);
|
||
msg_mutex_unlock(&sub_list->msg_mutex);
|
||
return 0;
|
||
}
|
||
|
||
#ifdef MSG_OPT_DYNAMIC_SUB
|
||
int has_msg_subscribe(has_module_ID_e module_id, has_module_ID_e sub_id) {
|
||
has_static_sub_list_t *sub_list;
|
||
int j;
|
||
if ((module_id >= MODULE_MAX) || (sub_id >= MODULE_MAX)
|
||
|| (module_id == INVALID_ID) || (sub_id == INVALID_ID)) {
|
||
return -1;
|
||
}
|
||
sub_list = &g_sub_list[g_sub_list_index[module_id]];
|
||
MSG_CHECK_SUBSCIBE_INFO(sub_list->module_id, -1);
|
||
|
||
msg_mutex_lock(&sub_list->msg_mutex);
|
||
if (sub_list->sub_module_cnt < (MODULE_MAX - 1)) {
|
||
/* 检查是否已经订阅 */
|
||
for (j = 0; j < sub_list->sub_module_cnt; j++) {
|
||
if (sub_id == sub_list->sub_module[j]) {
|
||
msg_mutex_unlock(&sub_list->msg_mutex);
|
||
msg_printf("ID:%d has been sub by module:%d\n", sub_id, module_id);
|
||
return -1;
|
||
}
|
||
}
|
||
/* 加入该模块的订阅表中 */
|
||
sub_list->sub_module[j] = sub_id;
|
||
sub_list->sub_module_cnt ++;
|
||
msg_mutex_unlock(&sub_list->msg_mutex);
|
||
return 0;
|
||
}
|
||
else {
|
||
msg_mutex_unlock(&sub_list->msg_mutex);
|
||
msg_printf("module:%d subscribe fail\n", module_id);
|
||
return -1;
|
||
}
|
||
}
|
||
|
||
int has_msg_unsubscribe(has_module_ID_e module_id, has_module_ID_e sub_id) {
|
||
has_static_sub_list_t *sub_list;
|
||
if ((module_id >= MODULE_MAX) || (sub_id >= MODULE_MAX)
|
||
|| (module_id == INVALID_ID) || (sub_id == INVALID_ID)) {
|
||
return -1;
|
||
}
|
||
sub_list = &g_sub_list[g_sub_list_index[module_id]];
|
||
MSG_CHECK_SUBSCIBE_INFO(sub_list->module_id, -1);
|
||
|
||
msg_mutex_lock(&sub_list->msg_mutex);
|
||
for (int j = 0; j < sub_list->sub_module_cnt; j++) {
|
||
if (sub_id == sub_list->sub_module[j]) {
|
||
sub_list->sub_module[j] = INVALID_ID;
|
||
sub_list->sub_module_cnt --;
|
||
}
|
||
}
|
||
msg_mutex_unlock(&sub_list->msg_mutex);
|
||
return 0;
|
||
}
|
||
#endif
|