bool UdpSocket::isRecvReady(int millisecs)
{
if (!select_for_read(m_sockfd, millisecs))
{
m_eError = ERR::SELECT_READ_ERROR;
return false;
}
return true;
}
int
main(int argc, char *argv[]) {
struct udev *udev;
// struct udev_enumerate *enumerate;
// struct udev_list_entry *devices, *device;
udev_monitor = NULL;
struct udev_device *udev_device;
const char *action;
udev = udev_new();
if (!udev) {
printf("udev_new failed\n");
return 0;
}
udev_monitor = udev_monitor_new_from_netlink(udev, "udev");
if (!udev_monitor) {
printf("udev_monitor_new_from_netlink failed\n");
return 0;
}
udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "input", NULL);
if (udev_monitor_enable_receiving(udev_monitor)) {
printf("config/udev: failed to bind the udev monitor\n");
return 0;
}
int udev_fd = udev_monitor_get_fd(udev_monitor);
select_for_read(udev_fd);
udev_device = udev_monitor_receive_device(udev_monitor);
if (!udev_device) {
printf("udev_monitor_receive_device failed\n");
return 0;
}
action = udev_device_get_action(udev_device);
printf("udev action %s\n", action);
if (action) {
if (!strcmp(action, "add") || !strcmp(action, "change")) {
printf("device_removed(udev_device); device_added(udev_device);\n");
}
else if (!strcmp(action, "remove")) {
printf("device_removed(udev_device);\n");
}
}
udev_device_unref(udev_device);
return 0;
}
bool TcpSocket::CanRecv()
{
return select_for_read(m_sockfd, 0);
}