int kct_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
{
if (nlh->nlmsg_type != KCT_SET_PID) {
pr_warn("%s: Wrong command received.\n", __func__);
return -EINVAL;
}
pr_debug("%s: KCT_SET_PID received: %d\n", __func__, PORTID(skb));
monitor_pid = PORTID(skb);
wake_up(&kct_wq);
return 0;
}
/**
* Daemon responsible to empty the FIFO of events inside the Netlink
*/
static int kct_daemon(void *unused)
{
struct sk_buff *skb = NULL;
pr_debug("%s: started!\n", __func__);
while (!kthread_should_stop()) {
pr_debug("%s: loop.\n", __func__);
if (skb_queue_len(&kct_skb_queue) && monitor_pid) {
skb = skb_dequeue(&kct_skb_queue);
if (skb) {
/* pid might not have been set in kct_log_event;
* ensure it's ok now
**/
PORTID(skb) = monitor_pid;
netlink_unicast(kct_nl_sk, skb, monitor_pid, 1);
}
} else {
wait_event_interruptible(kct_wq,
(skb_queue_len(&kct_skb_queue)
&& monitor_pid) ||
kthread_should_stop());
}
}
pr_debug("%s: daemon terminated.\n", __func__);
skb_queue_purge(&kct_skb_queue);
return 0;
}
HasReceptor(ReceptorRegistry* rr)
: ReceptorRegistry(),
upper_()
{
rr->addToReceptorRegistry(PORTID().name, &upper_);
}
HasReceptor(const HasReceptor& other)
: ReceptorRegistry(),
upper_()
{
addToReceptorRegistry(PORTID().name, &upper_);
}
HasReceptor()
: ReceptorRegistry(),
upper_()
{
addToReceptorRegistry(PORTID().name, &upper_);
}
HasDeliverer(DelivererRegistry* dr)
: DelivererRegistry(),
deliverer_()
{
dr->addToDelivererRegistry(PORTID().name, &deliverer_);
}
HasDeliverer( const HasDeliverer& other)
: DelivererRegistry(),
deliverer_()
{
addToDelivererRegistry(PORTID().name, &deliverer_);
}
HasDeliverer()
: DelivererRegistry(),
deliverer_()
{
addToDelivererRegistry(PORTID().name, &deliverer_);
}