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-rw-r--r--src/libsystemd-network/test-acd.c95
1 files changed, 95 insertions, 0 deletions
diff --git a/src/libsystemd-network/test-acd.c b/src/libsystemd-network/test-acd.c
new file mode 100644
index 0000000..73105f5
--- /dev/null
+++ b/src/libsystemd-network/test-acd.c
@@ -0,0 +1,95 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <linux/veth.h>
+#include <net/if.h>
+
+#include "sd-event.h"
+#include "sd-ipv4acd.h"
+#include "sd-netlink.h"
+
+#include "in-addr-util.h"
+#include "tests.h"
+#include "util.h"
+
+static void acd_handler(sd_ipv4acd *acd, int event, void *userdata) {
+ assert_se(acd);
+
+ switch (event) {
+ case SD_IPV4ACD_EVENT_BIND:
+ log_info("bound");
+ break;
+ case SD_IPV4ACD_EVENT_CONFLICT:
+ log_info("conflict");
+ break;
+ case SD_IPV4ACD_EVENT_STOP:
+ log_error("the client was stopped");
+ break;
+ default:
+ assert_not_reached();
+ }
+}
+
+static int client_run(int ifindex, const struct in_addr *pa, const struct ether_addr *ha, sd_event *e) {
+ sd_ipv4acd *acd;
+
+ assert_se(sd_ipv4acd_new(&acd) >= 0);
+ assert_se(sd_ipv4acd_attach_event(acd, e, 0) >= 0);
+
+ assert_se(sd_ipv4acd_set_ifindex(acd, ifindex) >= 0);
+ assert_se(sd_ipv4acd_set_mac(acd, ha) >= 0);
+ assert_se(sd_ipv4acd_set_address(acd, pa) >= 0);
+ assert_se(sd_ipv4acd_set_callback(acd, acd_handler, NULL) >= 0);
+
+ log_info("starting IPv4ACD client");
+
+ assert_se(sd_ipv4acd_start(acd, true) >= 0);
+
+ assert_se(sd_event_loop(e) >= 0);
+
+ assert_se(!sd_ipv4acd_unref(acd));
+
+ return EXIT_SUCCESS;
+}
+
+static int test_acd(const char *ifname, const char *address) {
+ _cleanup_(sd_event_unrefp) sd_event *e = NULL;
+ _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
+ _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL, *reply = NULL;
+ union in_addr_union pa;
+ struct ether_addr ha;
+ int ifindex;
+
+ assert_se(in_addr_from_string(AF_INET, address, &pa) >= 0);
+
+ assert_se(sd_event_new(&e) >= 0);
+
+ assert_se(sd_netlink_open(&rtnl) >= 0);
+ assert_se(sd_netlink_attach_event(rtnl, e, 0) >= 0);
+
+ assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, 0) >= 0);
+ assert_se(sd_netlink_message_append_string(m, IFLA_IFNAME, ifname) >= 0);
+ assert_se(sd_netlink_call(rtnl, m, 0, &reply) >= 0);
+
+ assert_se(sd_rtnl_message_link_get_ifindex(reply, &ifindex) >= 0);
+ assert_se(sd_netlink_message_read_ether_addr(reply, IFLA_ADDRESS, &ha) >= 0);
+
+ client_run(ifindex, &pa.in, &ha, e);
+
+ return EXIT_SUCCESS;
+}
+
+int main(int argc, char *argv[]) {
+ test_setup_logging(LOG_DEBUG);
+
+ if (argc == 3)
+ return test_acd(argv[1], argv[2]);
+ else {
+ log_error("This program takes two arguments.\n"
+ "\t %s <ifname> <IPv4 address>", program_invocation_short_name);
+ return EXIT_FAILURE;
+ }
+}