int btpan_tap_open()
{
    struct ifreq ifr;
    int fd, err;
    const char *clonedev = "/dev/tun";

    /* open the clone device */

    //system("insmod /system/lib/modules/tun.ko");
    if( (fd = open(clonedev, O_RDWR)) < 0 ) {

        BTIF_TRACE_DEBUG("could not open %s, err:%d", clonedev, errno);
        return fd;
    }

    memset(&ifr, 0, sizeof(ifr));
    ifr.ifr_flags = IFF_TAP | IFF_NO_PI;

    strncpy(ifr.ifr_name, TAP_IF_NAME, IFNAMSIZ);

    /* try to create the device */
    if( (err = ioctl(fd, TUNSETIFF, (void *) &ifr)) < 0 )//|| tap_setup_ip(TAP_IF_NAME) == FALSE)
    {
        BTIF_TRACE_DEBUG("ioctl error:%d, errno:%s", err, strerror(errno));
        close(fd);
        return err;
    }
    BTM_GetLocalDeviceAddr (local_addr);
    if(tap_if_up(TAP_IF_NAME, local_addr) == 0)
    {
        int flags = fcntl(fd, F_GETFL, 0);
        fcntl(fd, F_SETFL, flags | O_NONBLOCK);
        return fd;
    }
    BTIF_TRACE_ERROR("can not bring up tap interface:%s", TAP_IF_NAME);
    close(fd);
    return -1;
}
Exemple #2
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int btpan_tap_open()
{
    struct ifreq ifr;
    int fd, err;
    const char *clonedev = "/dev/tun";

    /* open the clone device */

    if ((fd = open(clonedev, O_RDWR)) < 0)
    {
        BTIF_TRACE_DEBUG("could not open %s, err:%d", clonedev, errno);
        return fd;
    }

    memset(&ifr, 0, sizeof(ifr));
    ifr.ifr_flags = IFF_TAP | IFF_NO_PI;

    strncpy(ifr.ifr_name, TAP_IF_NAME, IFNAMSIZ);

    /* try to create the device */
    if ((err = ioctl(fd, TUNSETIFF, (void *) &ifr)) < 0)
    {
        BTIF_TRACE_DEBUG("ioctl error:%d, errno:%s", err, strerror(errno));
        close(fd);
        return err;
    }
    if (tap_if_up(TAP_IF_NAME, controller_get_interface()->get_address()) == 0)
    {
        int flags = fcntl(fd, F_GETFL, 0);
        fcntl(fd, F_SETFL, flags | O_NONBLOCK);
        return fd;
    }
    BTIF_TRACE_ERROR("can not bring up tap interface:%s", TAP_IF_NAME);
    close(fd);
    return INVALID_FD;
}