C++ (Cpp) send_broadcasts Examples

Example #1

File: LAN_discovery.c Project: ioasis/c-toxcore

int lan_discovery_send(uint16_t port, DHT *dht)
{
    uint8_t data[CRYPTO_PUBLIC_KEY_SIZE + 1];
    data[0] = NET_PACKET_LAN_DISCOVERY;
    id_copy(data + 1, dht_get_self_public_key(dht));

    send_broadcasts(dht_get_net(dht), port, data, 1 + CRYPTO_PUBLIC_KEY_SIZE);

    int res = -1;
    IP_Port ip_port;
    ip_port.port = port;

    /* IPv6 multicast */
    if (net_family(dht_get_net(dht)) == TOX_AF_INET6) {
        ip_port.ip = broadcast_ip(TOX_AF_INET6, TOX_AF_INET6);

        if (ip_isset(&ip_port.ip)) {
            if (sendpacket(dht_get_net(dht), ip_port, data, 1 + CRYPTO_PUBLIC_KEY_SIZE) > 0) {
                res = 1;
            }
        }
    }

    /* IPv4 broadcast (has to be IPv4-in-IPv6 mapping if socket is TOX_AF_INET6 */
    ip_port.ip = broadcast_ip(net_family(dht_get_net(dht)), TOX_AF_INET);

    if (ip_isset(&ip_port.ip)) {
        if (sendpacket(dht_get_net(dht), ip_port, data, 1 + CRYPTO_PUBLIC_KEY_SIZE)) {
            res = 1;
        }
    }

    return res;
}

Example #2

File: LAN_discovery.c Project: 9cat/ProjectTox-Core

int send_LANdiscovery(uint16_t port, DHT *dht)
{
    uint8_t data[crypto_box_PUBLICKEYBYTES + 1];
    data[0] = NET_PACKET_LAN_DISCOVERY;
    id_copy(data + 1, dht->self_public_key);

#ifdef __linux
    send_broadcasts(dht->net, port, data, 1 + crypto_box_PUBLICKEYBYTES);
#endif
    int res = -1;
    IP_Port ip_port;
    ip_port.port = port;

    /* IPv6 multicast */
    if (dht->net->family == AF_INET6) {
        ip_port.ip = broadcast_ip(AF_INET6, AF_INET6);

        if (ip_isset(&ip_port.ip))
            if (sendpacket(dht->net, ip_port, data, 1 + crypto_box_PUBLICKEYBYTES) > 0)
                res = 1;
    }

    /* IPv4 broadcast (has to be IPv4-in-IPv6 mapping if socket is AF_INET6 */
    ip_port.ip = broadcast_ip(dht->net->family, AF_INET);

    if (ip_isset(&ip_port.ip))
        if (sendpacket(dht->net, ip_port, data, 1 + crypto_box_PUBLICKEYBYTES))
            res = 1;

    return res;
}

Example #3

File: LAN_discovery.c Project: piling/toxcore

int send_LANdiscovery(uint16_t port, DHT *dht)
{
    uint8_t data[CRYPTO_PUBLIC_KEY_SIZE + 1];
    data[0] = NET_PACKET_LAN_DISCOVERY;
    id_copy(data + 1, dht->self_public_key);

    send_broadcasts(dht->net, port, data, 1 + CRYPTO_PUBLIC_KEY_SIZE);

    int res = -1;
    IP_Port ip_port;
    ip_port.port = port;

    /* IPv6 multicast */
    if (dht->net->family == AF_INET6) {
        ip_port.ip = broadcast_ip(AF_INET6, AF_INET6);

        if (ip_isset(&ip_port.ip)) {
            if (sendpacket(dht->net, ip_port, data, 1 + CRYPTO_PUBLIC_KEY_SIZE) > 0) {
                res = 1;
            }
        }
    }

    /* IPv4 broadcast (has to be IPv4-in-IPv6 mapping if socket is AF_INET6 */
    ip_port.ip = broadcast_ip(dht->net->family, AF_INET);

    if (ip_isset(&ip_port.ip)) {
        if (sendpacket(dht->net, ip_port, data, 1 + CRYPTO_PUBLIC_KEY_SIZE)) {
            res = 1;
        }
    }

    return res;
}