C++ (Cpp) eir_parse_name Examples

Example #1

File: main.c Project: InteractionEcologies/activitarrr.BleOccupancySensor

static int print_advertising_devices(int dd, uint8_t filter_type)
{
    unsigned char buf[HCI_MAX_EVENT_SIZE], *ptr;
    struct hci_filter nf, of;
    struct sigaction sa;
    socklen_t olen;
    int len;
    int8_t rssi;


    olen = sizeof(of);
    if (getsockopt(dd, SOL_HCI, HCI_FILTER, &of, &olen) < 0) {
        printf("Could not get socket options\n");
        return -1;
    }

    hci_filter_clear(&nf);
    hci_filter_set_ptype(HCI_EVENT_PKT, &nf);
    hci_filter_set_event(EVT_LE_META_EVENT, &nf);

    if (setsockopt(dd, SOL_HCI, HCI_FILTER, &nf, sizeof(nf)) < 0) {
        printf("Could not set socket options\n");
        return -1;
    }

    memset(&sa, 0, sizeof(sa));
    sa.sa_flags = SA_NOCLDSTOP;
    sa.sa_handler = sigint_handler;
    sigaction(SIGINT, &sa, NULL);

    while (1) {
        evt_le_meta_event *meta;
        le_advertising_info *info;
        char addr[18];

        while ((len = read(dd, buf, sizeof(buf))) < 0) {
            if (errno == EINTR && signal_received == SIGINT) {
                len = 0;
                goto done;
            }

            if (errno == EAGAIN || errno == EINTR)
                continue;
            goto done;
        }

        ptr = buf + (1 + HCI_EVENT_HDR_SIZE);
        len -= (1 + HCI_EVENT_HDR_SIZE);

        meta = (void *) ptr;

        if (meta->subevent != 0x02)
            goto done;

        /* Ignoring multiple reports */
        info = (le_advertising_info *) (meta->data + 1);
        if (check_report_filter(filter_type, info)) {

// Jeff's comment
// typedef struct {
//         uint8_t         evt_type;
//         uint8_t         bdaddr_type;
//         bdaddr_t        bdaddr;
//         uint8_t         length;
//         uint8_t         data[0];
// } __attribute__ ((packed)) le_advertising_info;

            char name[30];

            memset(name, 0, sizeof(name));

            ba2str(&info->bdaddr, addr);
            eir_parse_name(info->data, info->length,
                            name, sizeof(name) - 1);

            rssi = *(info->data + info->length);

            printf("%s %s %d\n", addr, name, rssi);
            fflush(stdout); // see: http://stackoverflow.com/questions/20503671/python-c-program-subprocess-hangs-at-for-line-in-iter
        }
    }

done:
    setsockopt(dd, SOL_HCI, HCI_FILTER, &of, sizeof(of));

    if (len < 0)
        return -1;

    return 0;
}

Example #2

File: hcitool.c Project: bisraelsen/amiigo-link

static int print_advertising_devices(int dd, uint8_t filter_type) {
    unsigned char buf[HCI_MAX_EVENT_SIZE], *ptr;
    struct hci_filter nf, of;
    struct sigaction sa;
    socklen_t olen;
    int len;

    olen = sizeof(of);
    if (getsockopt(dd, SOL_HCI, HCI_FILTER, &of, &olen) < 0) {
        printf("Could not get socket options\n");
        return -1;
    }

    hci_filter_clear(&nf);
    hci_filter_set_ptype(HCI_EVENT_PKT, &nf);
    hci_filter_set_event(EVT_LE_META_EVENT, &nf);

    if (setsockopt(dd, SOL_HCI, HCI_FILTER, &nf, sizeof(nf)) < 0) {
        printf("Could not set socket options\n");
        return -1;
    }

    memset(&sa, 0, sizeof(sa));
    sa.sa_flags = SA_NOCLDSTOP;
    sa.sa_handler = sigint_handler;
    sigaction(SIGINT, &sa, NULL);

    while (1) {
        evt_le_meta_event *meta;
        le_advertising_info *info;
        char addr[18];

        while ((len = read(dd, buf, sizeof(buf))) < 0) {
            if (errno == EINTR && signal_received == SIGINT) {
                len = 0;
                goto done;
            }

            if (errno == EAGAIN || errno == EINTR)
                continue;
            goto done;
        }

        ptr = buf + (1 + HCI_EVENT_HDR_SIZE);
        len -= (1 + HCI_EVENT_HDR_SIZE);

        meta = (void *) ptr;

        if (meta->subevent != 0x02)
            goto done;

        /* Ignoring multiple reports */
        info = (le_advertising_info *) (meta->data + 1);
        if (check_report_filter(filter_type, info)) {
            char name[30];
            char uuid[16*2 + 1];

            memset(name, 0, sizeof(name));

            ba2str(&info->bdaddr, addr);
            eir_parse_name(info->data, info->length, name, sizeof(name) - 1);
            eir_parse_uuid(info->data, info->length, uuid, sizeof(uuid) - 1);

            printf("%s %s %s\n", addr, name, uuid);
        }
    }

    done: setsockopt(dd, SOL_HCI, HCI_FILTER, &of, sizeof(of));

    if (len < 0)
        return -1;

    return 0;
}