Exemplos de sessiondb_get_or_create_ipv4 em C++ (Cpp)

Exemplo n.º 1

Arquivo: filtering_and_updating.c Projeto: patybarron/NAT64

/**
 * Assumes that "tuple" represents a IPv4-UDP or ICMP packet, and filters and updates based on it.
 *
 * This is RFC 6146, second halves of both sections 3.5.1 and 3.5.3.
 *
 * @param[in] skb tuple's packet. This is actually only used for error reporting.
 * @param[in] tuple summary of the packet Jool is currently translating.
 * @return VER_CONTINUE if everything went OK, VER_DROP otherwise.
 */
static verdict ipv4_simple(struct packet *pkt, struct tuple *tuple4)
{
	int error;
	struct bib_entry *bib;
	struct session_entry *session;

	error = get_bib_ipv4(pkt, tuple4, &bib);
	if (error == -ESRCH)
		return VERDICT_ACCEPT;
	else if (error)
		return VERDICT_DROP;
	log_bib(bib);

	error = sessiondb_get_or_create_ipv4(tuple4, bib, &session);
	if (error) {
		inc_stats(pkt, IPSTATS_MIB_INDISCARDS);
		bib_return(bib);
		return VERDICT_DROP;
	}
	log_session(session);

	session_return(session);
	bib_return(bib);

	return VERDICT_CONTINUE;
}

Exemplo n.º 2

Arquivo: filtering_and_updating.c Projeto: magg/NAT64

/**
 * Assumes that "tuple" represents a IPv4-UDP or ICMP packet, and filters and updates based on it.
 *
 * This is RFC 6146, second halves of both sections 3.5.1 and 3.5.3.
 *
 * @param[in] skb tuple's packet. This is actually only used for error reporting.
 * @param[in] tuple summary of the packet Jool is currently translating.
 * @return VER_CONTINUE if everything went OK, VER_DROP otherwise.
 */
static verdict ipv4_simple(struct sk_buff *skb, struct tuple *tuple4)
{
	int error;
	struct bib_entry *bib;
	struct session_entry *session;

	error = get_bib_ipv4(skb, tuple4, &bib);
	if (error)
		return VER_DROP;
	log_bib(bib);

	error = sessiondb_get_or_create_ipv4(tuple4, bib, &session);
	if (error) {
		inc_stats(skb, IPSTATS_MIB_INDISCARDS);
		bib_return(bib);
		return VER_DROP;
	}
	log_session(session);

	session_return(session);
	bib_return(bib);

	return VER_CONTINUE;
}