W5500+SAL作为服务端多路客户端连接时异常

发布于 2024-09-28 11:11:49 浏览：211 订阅该版

本人小白，现在逻辑是先绑定一个端口用于listen，然后创建一个accept的线程，每当有一个客户端连接时，就依据accept的socket创建一个recv&send线程（业务逻辑线程，原封不动发回去），目前发现两个客户端连接时，只要发送速度稍微块一点，W5500就不发回去了，一个客户端连接是ok的，我该从哪个方面入手去查呢？
```c
void socket_receive_transmit_thread(void *arg){
    tcp_thread_ctl t_ctl = *(tcp_thread_ctl *)arg;
    int client_sockfd;
    int t_index;
    client_sockfd = t_ctl.client_sockfd;
    t_index = t_ctl.m_thread_index;
    rt_uint8_t m_msg[2];
    char s_buffer[512];
    while (1) {
        int recv_len = recv(client_sockfd, s_buffer, sizeof(s_buffer), 0);
        if (recv_len > 0) {
            // 发送数据回客户端
            //LOG_D("[TD][c_s%d]server recv",client_sockfd);
            rt_mutex_take(m_mutex, RT_WAITING_FOREVER);
            send(client_sockfd, s_buffer, recv_len, 0);
            rt_mutex_release(m_mutex);
//            if (recv_len == 256 && rt_memcmp(s_buffer, modle_buff, sizeof(modle_buff))){
//                // 计数加一
//
//            }
        }else if (recv_len == 0) {
            closesocket(client_sockfd);
            LOG_D("[r&t]client%d disconnect",client_sockfd);
            m_msg[0] = t_index;
            if(rt_mq_send(&accept_mq, m_msg, 1)==RT_EOK)
                LOG_D("[r&t]client msg %d",t_index);
            else{
                LOG_E("[r&t]client msg no send");
                rt_thread_mdelay(1000);
            }
            //return;
        }else {
            closesocket(client_sockfd);
            m_msg[0] = t_index;
            //LOG_E("[r&t]client msg %d",t_index);
            rt_mq_send(&accept_mq, m_msg, 1);
            rt_thread_mdelay(1000);
        }
    }
}
```