C++ EthernetInterface::get_ip_address方法代码示例

void net_bringup() {
    int err = net.connect();
    TEST_ASSERT_EQUAL(0, err);
    printf("MBED: Connected to network\n");
    printf("MBED: IP Address: %s\n", net.get_ip_address());

    ip_literal = net.get_ip_address();
    ip_pref = SocketAddress(ip_literal).get_ip_version();
    ip_pref_repr = (ip_pref == NSAPI_IPv4) ? "ipv4" :
                   (ip_pref == NSAPI_IPv6) ? "ipv6" : "unspec";
}

int main() {
    GREENTEA_SETUP(20, "udp_echo");

    EthernetInterface eth;
    eth.connect();
    printf("UDP client IP Address is %s\n", eth.get_ip_address());

    greentea_send_kv("target_ip", eth.get_ip_address());

    char recv_key[] = "host_port";
    char ipbuf[60] = {0};
    char portbuf[16] = {0};
    unsigned int port = 0;

    UDPSocket sock;
    sock.open(&eth);
    sock.set_timeout(MBED_CFG_UDP_CLIENT_ECHO_TIMEOUT);

    greentea_send_kv("host_ip", " ");
    greentea_parse_kv(recv_key, ipbuf, sizeof(recv_key), sizeof(ipbuf));

    greentea_send_kv("host_port", " ");
    greentea_parse_kv(recv_key, portbuf, sizeof(recv_key), sizeof(ipbuf));
    sscanf(portbuf, "%u", &port);

    printf("MBED: UDP Server IP address received: %s:%d \n", ipbuf, port);
    SocketAddress udp_addr(ipbuf, port);

    int success = 0;

    for (int i=0; i < ECHO_LOOPS; ++i) {
        prep_buffer(tx_buffer, sizeof(tx_buffer));
        const int ret = sock.sendto(udp_addr, tx_buffer, sizeof(tx_buffer));
        printf("[%02d] sent...%d Bytes \n", i, ret);

        SocketAddress temp_addr;
        const int n = sock.recvfrom(&temp_addr, rx_buffer, sizeof(rx_buffer));
        printf("[%02d] recv...%d Bytes \n", i, n);

        if ((temp_addr == udp_addr &&
             n == sizeof(tx_buffer) &&
             memcmp(rx_buffer, tx_buffer, sizeof(rx_buffer)) == 0)) {
            success += 1;
        }
    }

    bool result = (success > 3*ECHO_LOOPS/4);

    sock.close();
    eth.disconnect();
    GREENTEA_TESTSUITE_RESULT(result);
}

int main() {
    GREENTEA_SETUP(20, "tcp_echo_client");

    EthernetInterface eth;
    eth.connect();

    printf("MBED: TCPClient IP address is '%s'\n", eth.get_ip_address());
    printf("MBED: TCPClient waiting for server IP and port...\n");

    greentea_send_kv("target_ip", eth.get_ip_address());

    bool result = false;

    char recv_key[] = "host_port";
    char ipbuf[60] = {0};
    char portbuf[16] = {0};
    unsigned int port = 0;

    greentea_send_kv("host_ip", " ");
    greentea_parse_kv(recv_key, ipbuf, sizeof(recv_key), sizeof(ipbuf));

    greentea_send_kv("host_port", " ");
    greentea_parse_kv(recv_key, portbuf, sizeof(recv_key), sizeof(ipbuf));
    sscanf(portbuf, "%u", &port);

    printf("MBED: Server IP address received: %s:%d \n", ipbuf, port);

    TCPSocket sock(&eth);
    SocketAddress tcp_addr(ipbuf, port);
    if (sock.connect(tcp_addr) == 0) {
        printf("HTTP: Connected to %s:%d\r\n", ipbuf, port);
        printf("tx_buffer buffer size: %u\r\n", sizeof(tx_buffer));
        printf("rx_buffer buffer size: %u\r\n", sizeof(rx_buffer));

        prep_buffer(tx_buffer, sizeof(tx_buffer));
        sock.send(tx_buffer, sizeof(tx_buffer));

        // Server will respond with HTTP GET's success code
        const int ret = sock.recv(rx_buffer, sizeof(rx_buffer));
        
        result = !memcmp(tx_buffer, rx_buffer, sizeof(tx_buffer));
        
        TEST_ASSERT_EQUAL(ret, sizeof(rx_buffer));
        TEST_ASSERT_EQUAL(true, result);
    }

    sock.close();
    eth.disconnect();
    GREENTEA_TESTSUITE_RESULT(result);
}

int main() {
    GREENTEA_SETUP(20, "udp_echo_client");

    EthernetInterface eth;
    eth.connect();
    printf("UDP client IP Address is %s\n", eth.get_ip_address());

    greentea_send_kv("target_ip", eth.get_ip_address());

    bool result = true;

    char recv_key[] = "host_port";
    char ipbuf[60] = {0};
    char portbuf[16] = {0};
    unsigned int port = 0;

    UDPSocket sock;
    sock.open(&eth);

    greentea_send_kv("host_ip", " ");
    greentea_parse_kv(recv_key, ipbuf, sizeof(recv_key), sizeof(ipbuf));

    greentea_send_kv("host_port", " ");
    greentea_parse_kv(recv_key, portbuf, sizeof(recv_key), sizeof(ipbuf));
    sscanf(portbuf, "%u", &port);

    printf("MBED: UDP Server IP address received: %s:%d \n", ipbuf, port);

    SocketAddress addr(ipbuf, port);

    for (int i=0; i < ECHO_LOOPS; ++i) {
        prep_buffer(tx_buffer, sizeof(tx_buffer));
        const int ret = sock.sendto(addr, tx_buffer, sizeof(tx_buffer));
        printf("[%02d] sent...%d Bytes \n", i, ret);

        const int n = sock.recvfrom(&addr, rx_buffer, sizeof(rx_buffer));
        printf("[%02d] recv...%d Bytes \n", i, n);

        if (memcmp(rx_buffer, tx_buffer, sizeof(rx_buffer))) {
            result = false;
            break;
        }
    }

    sock.close();
    eth.disconnect();
    GREENTEA_TESTSUITE_RESULT(result);
}

int main() {
    GREENTEA_SETUP(60, "default_auto");

    bool result = false;
    const time_t TIME1970 = 2208988800L;
    int ntp_send_values[12] = {0};
    int ntp_recv_values[12] = {0};

    EthernetInterface eth;
    eth.connect();
    printf("UDP client IP Address is %s\n", eth.get_ip_address());

    UDPSocket sock;
    sock.open(&eth);
    sock.set_timeout(15000);

    SocketAddress nist(&eth, HTTP_SERVER_NAME, HTTP_SERVER_PORT);

    printf("UDP: NIST server %s address: %s on port %d\r\n", HTTP_SERVER_NAME, nist.get_ip_address(), nist.get_port());

    memset(ntp_send_values, 0x00, sizeof(ntp_send_values));
    ntp_send_values[0] = '\x1b';

    while(1) {
        memset(ntp_recv_values, 0x00, sizeof(ntp_recv_values));

        int ret_send = sock.sendto(nist, (void*)ntp_send_values, sizeof(ntp_send_values));
        printf("UDP: Sent %d Bytes to NTP server \n", ret_send);

        SocketAddress source;
        const int n = sock.recvfrom(&source, (void*)ntp_recv_values, sizeof(ntp_recv_values));

        printf("UDP: Recved from NTP server %d Bytes \n", n);

        if (n > 0 && strcmp(source.get_ip_address(), nist.get_ip_address()) == 0) {
            result = true;

            printf("UDP: Values returned by NTP server: \n");
            for (size_t i=0; i < sizeof(ntp_recv_values) / sizeof(ntp_recv_values[0]); ++i) {
                printf("\t[%02d] 0x%X", i, ntohl(ntp_recv_values[i]));

                if (i == 10) {
                    time_t timestamp = ntohl(ntp_recv_values[i]) - TIME1970;
                    printf("\tNTP timestamp is %s", ctime(&timestamp));
                } else {
                    printf("\n");
                }
            }

            break;
        }

        printf("Failed to receive data, retrying in 5 seconds...\n");
        wait(5);
    }

    sock.close();
    eth.disconnect();
    GREENTEA_TESTSUITE_RESULT(result);
}

void test_udp_dtls_handshake() {
    EthernetInterface eth;
    int err = eth.connect();
    TEST_ASSERT_EQUAL(0, err);

    printf("MBED: UDPClient IP address is '%s'\n", eth.get_ip_address());
    printf("MBED: UDPClient waiting for server IP and port...\n");

    greentea_send_kv("target_ip", eth.get_ip_address());

    bool result = false;

    char recv_key[] = "host_port";
    char ipbuf[60] = {0};
    char portbuf[16] = {0};
    unsigned int port = 0;

    greentea_send_kv("host_ip", " ");
    greentea_parse_kv(recv_key, ipbuf, sizeof(recv_key), sizeof(ipbuf));

    greentea_send_kv("host_port", " ");
    greentea_parse_kv(recv_key, portbuf, sizeof(recv_key), sizeof(ipbuf));
    sscanf(portbuf, "%u", &port);

    printf("MBED: UDP Server IP address received: %s:%d \n", ipbuf, port);

    // align each size to 4-bits
    for (int i = 0; i < udp_dtls_handshake_count; i++) {
        udp_dtls_handshake_pattern[i] = (~0xf & udp_dtls_handshake_pattern[i]) + 0x10;
    }

    printf("MBED: DTLS pattern [");
    for (int i = 0; i < udp_dtls_handshake_count; i++) {
        printf("%d", udp_dtls_handshake_pattern[i]);
        if (i != udp_dtls_handshake_count-1) {
            printf(", ");
        }
    }
    printf("]\r\n");

    UDPSocket sock;
    SocketAddress udp_addr(ipbuf, port);
    sock.set_timeout(MBED_CFG_UDP_DTLS_HANDSHAKE_TIMEOUT);

    for (int attempt = 0; attempt < MBED_CFG_UDP_DTLS_HANDSHAKE_RETRIES; attempt++) {
        err = sock.open(&eth);
        TEST_ASSERT_EQUAL(0, err);

        for (int i = 0; i < udp_dtls_handshake_count; i++) {
            buffer[i] = udp_dtls_handshake_pattern[i] >> 4;
        }

        err = sock.sendto(udp_addr, buffer, udp_dtls_handshake_count);
        printf("UDP: tx -> %d\r\n", err);
        TEST_ASSERT_EQUAL(udp_dtls_handshake_count, err);

        int step = 0;
        while (step < udp_dtls_handshake_count) {
            err = sock.recvfrom(NULL, buffer, sizeof(buffer));
            printf("UDP: rx <- %d ", err);

            // check length
            if (err != udp_dtls_handshake_pattern[step]) {
                printf("x (expected %d)\r\n", udp_dtls_handshake_pattern[step]);
                break;
            }

            // check quick xor of packet
            uint8_t check = 0;
            for (int j = 0; j < udp_dtls_handshake_pattern[step]; j++) {
                check ^= buffer[j];
            }

            if (check != 0) {
                printf("x (checksum 0x%02x)\r\n", check);
                break;
            }

            // successfully got a packet
            printf("\r\n");
            step += 1;
        }

        err = sock.close();
        TEST_ASSERT_EQUAL(0, err);

        // got through all steps, test passed
        if (step == udp_dtls_handshake_count) {
            result = true;
            break;
        }
    }

    eth.disconnect();
    TEST_ASSERT(result);
}