]>
Commit | Line | Data |
---|---|---|
53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
7b713b81 | 2 | |
7b713b81 | 3 | #include <errno.h> |
cf0fbc49 | 4 | #include <stdlib.h> |
7b713b81 TG |
5 | #include <unistd.h> |
6 | ||
7 | #include <linux/veth.h> | |
8 | #include <net/if.h> | |
9 | ||
10 | #include "sd-event.h" | |
7b713b81 | 11 | #include "sd-ipv4acd.h" |
cf0fbc49 | 12 | #include "sd-netlink.h" |
7b713b81 | 13 | |
7b713b81 | 14 | #include "in-addr-util.h" |
cf0fbc49 | 15 | #include "netlink-util.h" |
6d7c4033 | 16 | #include "tests.h" |
cf0fbc49 | 17 | #include "util.h" |
7b713b81 TG |
18 | |
19 | static void acd_handler(sd_ipv4acd *acd, int event, void *userdata) { | |
20 | assert_se(acd); | |
21 | ||
22 | switch (event) { | |
2237aa02 | 23 | case SD_IPV4ACD_EVENT_BIND: |
7b713b81 TG |
24 | log_info("bound"); |
25 | break; | |
2237aa02 | 26 | case SD_IPV4ACD_EVENT_CONFLICT: |
7b713b81 TG |
27 | log_info("conflict"); |
28 | break; | |
2237aa02 | 29 | case SD_IPV4ACD_EVENT_STOP: |
7b713b81 TG |
30 | log_error("the client was stopped"); |
31 | break; | |
32 | default: | |
33 | assert_not_reached("invalid ACD event"); | |
34 | } | |
35 | } | |
36 | ||
37 | static int client_run(int ifindex, const struct in_addr *pa, const struct ether_addr *ha, sd_event *e) { | |
38 | sd_ipv4acd *acd; | |
39 | ||
40 | assert_se(sd_ipv4acd_new(&acd) >= 0); | |
41 | assert_se(sd_ipv4acd_attach_event(acd, e, 0) >= 0); | |
42 | ||
2f8e7633 | 43 | assert_se(sd_ipv4acd_set_ifindex(acd, ifindex) >= 0); |
7b713b81 TG |
44 | assert_se(sd_ipv4acd_set_mac(acd, ha) >= 0); |
45 | assert_se(sd_ipv4acd_set_address(acd, pa) >= 0); | |
46 | assert_se(sd_ipv4acd_set_callback(acd, acd_handler, NULL) >= 0); | |
47 | ||
48 | log_info("starting IPv4ACD client"); | |
49 | ||
50 | assert_se(sd_ipv4acd_start(acd) >= 0); | |
51 | ||
52 | assert_se(sd_event_loop(e) >= 0); | |
53 | ||
54 | assert_se(!sd_ipv4acd_unref(acd)); | |
55 | ||
56 | return EXIT_SUCCESS; | |
57 | } | |
58 | ||
59 | static int test_acd(const char *ifname, const char *address) { | |
4afd3348 LP |
60 | _cleanup_(sd_event_unrefp) sd_event *e = NULL; |
61 | _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; | |
62 | _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL, *reply = NULL; | |
7b713b81 TG |
63 | union in_addr_union pa; |
64 | struct ether_addr ha; | |
65 | int ifindex; | |
66 | ||
67 | assert_se(in_addr_from_string(AF_INET, address, &pa) >= 0); | |
68 | ||
69 | assert_se(sd_event_new(&e) >= 0); | |
70 | ||
71 | assert_se(sd_netlink_open(&rtnl) >= 0); | |
72 | assert_se(sd_netlink_attach_event(rtnl, e, 0) >= 0); | |
73 | ||
74 | assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, 0) >= 0); | |
75 | assert_se(sd_netlink_message_append_string(m, IFLA_IFNAME, ifname) >= 0); | |
76 | assert_se(sd_netlink_call(rtnl, m, 0, &reply) >= 0); | |
77 | ||
78 | assert_se(sd_rtnl_message_link_get_ifindex(reply, &ifindex) >= 0); | |
79 | assert_se(sd_netlink_message_read_ether_addr(reply, IFLA_ADDRESS, &ha) >= 0); | |
80 | ||
81 | client_run(ifindex, &pa.in, &ha, e); | |
82 | ||
83 | return EXIT_SUCCESS; | |
84 | } | |
85 | ||
86 | int main(int argc, char *argv[]) { | |
6d7c4033 | 87 | test_setup_logging(LOG_DEBUG); |
7b713b81 TG |
88 | |
89 | if (argc == 3) | |
90 | return test_acd(argv[1], argv[2]); | |
91 | else { | |
92 | log_error("This program takes two arguments.\n" | |
93 | "\t %s <ifname> <IPv4 address>", program_invocation_short_name); | |
94 | return EXIT_FAILURE; | |
95 | } | |
96 | } |