12 #include <netlink/cli/utils.h> 13 #include <netlink/cli/link.h> 15 #include <linux/rtnetlink.h> 17 static void obj_input(
struct nl_object *obj,
void *arg)
28 static int event_input(
struct nl_msg *msg,
void *arg)
30 if (nl_msg_parse(msg, &obj_input, NULL) < 0)
31 fprintf(stderr,
"<<EVENT>> Unknown message type\n");
37 int main(
int argc,
char *argv[])
44 enum rtnetlink_groups gr_id;
47 { RTNLGRP_LINK,
"link" },
48 { RTNLGRP_NOTIFY,
"notify" },
49 { RTNLGRP_NEIGH,
"neigh" },
51 { RTNLGRP_IPV4_IFADDR,
"ipv4-ifaddr" },
52 { RTNLGRP_IPV4_MROUTE,
"ipv4-mroute" },
53 { RTNLGRP_IPV4_ROUTE,
"ipv4-route" },
54 { RTNLGRP_IPV6_IFADDR,
"ipv6-ifaddr" },
55 { RTNLGRP_IPV6_MROUTE,
"ipv6-mroute" },
56 { RTNLGRP_IPV6_ROUTE,
"ipv6-route" },
57 { RTNLGRP_IPV6_IFINFO,
"ipv6-ifinfo" },
58 { RTNLGRP_DECnet_IFADDR,
"decnet-ifaddr" },
59 { RTNLGRP_DECnet_ROUTE,
"decnet-route" },
60 { RTNLGRP_IPV6_PREFIX,
"ipv6-prefix" },
61 { RTNLGRP_NONE, NULL }
64 sock = nl_cli_alloc_socket();
68 if (argc > 1 && !strcasecmp(argv[1],
"-h")) {
69 printf(
"Usage: nl-monitor [<groups>]\n");
71 printf(
"Known groups:");
72 for (i = 0; known_groups[i].gr_id != RTNLGRP_NONE; i++)
73 printf(
" %s", known_groups[i].gr_name);
78 nl_cli_connect(sock, NETLINK_ROUTE);
80 for (idx = 1; argc > idx; idx++) {
81 for (i = 0; known_groups[i].gr_id != RTNLGRP_NONE; i++) {
82 if (!strcmp(argv[idx], known_groups[i].gr_name)) {
84 if ((err = nl_socket_add_membership(sock, known_groups[i].gr_id)) < 0) {
92 if (known_groups[i].gr_id == RTNLGRP_NONE)
93 fprintf(stderr,
"Warning: Unknown group: %s\n", argv[idx]);
96 nl_cli_link_alloc_cache(sock);
107 retval = select(fd+1, &rfds, NULL, NULL, NULL);
Customized handler specified by the user.
int nl_socket_get_fd(const struct nl_sock *sk)
Return the file descriptor of the backing socket.
enum nl_dump_type dp_type
Specifies the type of dump that is requested.
Stop parsing altogether and discard remaining messages.
int nl_socket_modify_cb(struct nl_sock *sk, enum nl_cb_type type, enum nl_cb_kind kind, nl_recvmsg_msg_cb_t func, void *arg)
Modify the callback handler associated with the socket.
void nl_object_dump(struct nl_object *obj, struct nl_dump_params *params)
Dump this object according to the specified parameters.
void nl_socket_disable_seq_check(struct nl_sock *sk)
Disable sequence number checking.
int nl_recvmsgs_default(struct nl_sock *sk)
Receive a set of message from a netlink socket using handlers in nl_sock.
void nl_cli_fatal(int err, const char *fmt,...)
Print error message and quit application.
Dump all attributes including statistics.