C++ (Cpp) lwip_seed_random 예제들

예제 #1

파일: lwip_stack.c 프로젝트: OpenNuvoton/mbed

static void mbed_lwip_core_init(void)
{

    // Check if we've already brought up lwip
    if (!lwip_inited) {
	// Seed lwip random
        lwip_seed_random();

        // Initialise TCP sequence number
        uint32_t tcp_isn_secret[4];
        for (int i = 0; i < 4; i++) {
            tcp_isn_secret[i] = LWIP_RAND();
        }
        lwip_init_tcp_isn(0, (u8_t *) &tcp_isn_secret);

        sys_sem_new(&lwip_tcpip_inited, 0);
        sys_sem_new(&lwip_netif_linked, 0);
        sys_sem_new(&lwip_netif_unlinked, 0);
        sys_sem_new(&lwip_netif_has_any_addr, 0);
#if PREF_ADDR_TIMEOUT
        sys_sem_new(&lwip_netif_has_pref_addr, 0);
#endif
#if BOTH_ADDR_TIMEOUT
        sys_sem_new(&lwip_netif_has_both_addr, 0);
#endif
        tcpip_init(mbed_lwip_tcpip_init_irq, NULL);
        sys_arch_sem_wait(&lwip_tcpip_inited, 0);

        lwip_inited = true;
    }
}

예제 #2

파일: LWIPStack.cpp 프로젝트: donatieng/mbed

/* LWIP network stack implementation */
LWIP::LWIP()
{
    default_interface = NULL;

    // Seed lwip random
    lwip_seed_random();

    // Initialise TCP sequence number
    uint32_t tcp_isn_secret[4];
    for (int i = 0; i < 4; i++) {
        tcp_isn_secret[i] = LWIP_RAND();
    }
    lwip_init_tcp_isn(0, (u8_t *) &tcp_isn_secret);

    tcpip_init(&LWIP::tcpip_init_irq, this);
    tcpip_inited.wait(0);

    // Zero out socket set
    arena_init();
}