Commit feae43f8 authored by Alexander Aring's avatar Alexander Aring Committed by David Teigland
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fs: dlm: print cluster addr if non-cluster node connects 



This patch prints the cluster node address if a non-cluster node
(according to the dlm config setting) tries to connect. The current
hexdump call will print in a different loglevel and only available if
dynamic debug is enabled. Additional we using the ip address format
strings to print an IETF ip4/6 string represenation.

Signed-off-by: default avatarAlexander Aring <aahringo@redhat.com>
Signed-off-by: default avatarDavid Teigland <teigland@redhat.com>
parent e4dc81ed

fs/dlm/lowcomms.c

+22 −4
Original line number Diff line number Diff line
@@ -1028,10 +1028,28 @@ static int accept_from_sock(struct listen_connection *con) 
	/* Get the new node's NODEID */

	make_sockaddr(&peeraddr, 0, &len);

	if (addr_to_nodeid(&peeraddr, &nodeid, &mark)) {

		unsigned char *b=(unsigned char *)&peeraddr;

		log_print("connect from non cluster node");

		print_hex_dump_bytes("ss: ", DUMP_PREFIX_NONE, 

				     b, sizeof(struct sockaddr_storage));

		switch (peeraddr.ss_family) {

		case AF_INET: {

			struct sockaddr_in *sin = (struct sockaddr_in *)&peeraddr;



			log_print("connect from non cluster IPv4 node %pI4",

				  &sin->sin_addr);

			break;

		}

#if IS_ENABLED(CONFIG_IPV6)

		case AF_INET6: {

			struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&peeraddr;



			log_print("connect from non cluster IPv6 node %pI6c",

				  &sin6->sin6_addr);

			break;

		}

#endif

		default:

			log_print("invalid family from non cluster node");

			break;

		}



		sock_release(newsock);

		return -1;

	}