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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: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
This commit is contained in:
Alexander Aring 2022-01-04 09:09:47 -05:00 committed by David Teigland
parent e4dc81ed5a
commit feae43f8aa
1 changed files with 22 additions and 4 deletions
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26
fs/dlm/lowcomms.c
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@ -1028,10 +1028,28 @@ static int accept_from_sock(struct listen_connection *con)
/* Get the new node's NODEID */ /* Get the new node's NODEID */
make_sockaddr(&peeraddr, 0, &len); make_sockaddr(&peeraddr, 0, &len);
if (addr_to_nodeid(&peeraddr, &nodeid, &mark)) { if (addr_to_nodeid(&peeraddr, &nodeid, &mark)) {
unsigned char *b=(unsigned char *)&peeraddr; switch (peeraddr.ss_family) {
log_print("connect from non cluster node"); case AF_INET: {
print_hex_dump_bytes("ss: ", DUMP_PREFIX_NONE, struct sockaddr_in *sin = (struct sockaddr_in *)&peeraddr;
b, sizeof(struct sockaddr_storage));
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); sock_release(newsock);
return -1; return -1;
} }