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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
commit | b750101eb236130cf056c675997decbac904cc49 (patch) | |
tree | a5df1a06754bdd014cb975c051c83b01c9a97532 /src/libsystemd-network/test-ipv4ll-manual.c | |
parent | Initial commit. (diff) | |
download | systemd-upstream.tar.xz systemd-upstream.zip |
Adding upstream version 252.22.upstream/252.22upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/libsystemd-network/test-ipv4ll-manual.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/src/libsystemd-network/test-ipv4ll-manual.c b/src/libsystemd-network/test-ipv4ll-manual.c new file mode 100644 index 0000000..5453ef9 --- /dev/null +++ b/src/libsystemd-network/test-ipv4ll-manual.c @@ -0,0 +1,116 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include <errno.h> +#include <net/if.h> +#include <stdlib.h> +#include <unistd.h> +#include <linux/veth.h> + +#include "sd-event.h" +#include "sd-ipv4ll.h" +#include "sd-netlink.h" + +#include "alloc-util.h" +#include "in-addr-util.h" +#include "parse-util.h" +#include "string-util.h" +#include "tests.h" +#include "util.h" + +static void ll_handler(sd_ipv4ll *ll, int event, void *userdata) { + assert_se(ll); + + struct in_addr addr; + const char *pretty = sd_ipv4ll_get_address(ll, &addr) >= 0 ? IN4_ADDR_TO_STRING(&addr) : NULL; + + switch (event) { + case SD_IPV4LL_EVENT_BIND: + log_info("bound %s", strna(pretty)); + break; + case SD_IPV4LL_EVENT_CONFLICT: + log_info("conflict on %s", strna(pretty)); + break; + case SD_IPV4LL_EVENT_STOP: + log_error("the client was stopped with address %s", strna(pretty)); + break; + default: + assert_not_reached(); + } +} + +static int client_run(int ifindex, const char *seed_str, const struct in_addr *start_address, const struct ether_addr *ha, sd_event *e) { + sd_ipv4ll *ll; + + assert_se(sd_ipv4ll_new(&ll) >= 0); + assert_se(sd_ipv4ll_attach_event(ll, e, 0) >= 0); + + assert_se(sd_ipv4ll_set_ifindex(ll, ifindex) >= 0); + assert_se(sd_ipv4ll_set_mac(ll, ha) >= 0); + assert_se(sd_ipv4ll_set_callback(ll, ll_handler, NULL) >= 0); + + if (seed_str) { + unsigned seed; + + assert_se(safe_atou(seed_str, &seed) >= 0); + + assert_se(sd_ipv4ll_set_address_seed(ll, seed) >= 0); + } + + if (start_address && in4_addr_is_set(start_address)) + assert_se(sd_ipv4ll_set_address(ll, start_address) >= 0); + + log_info("starting IPv4LL client"); + + assert_se(sd_ipv4ll_start(ll) >= 0); + + assert_se(sd_event_loop(e) >= 0); + + assert_se(!sd_ipv4ll_unref(ll)); + + return EXIT_SUCCESS; +} + +static int test_ll(const char *ifname, const char *seed, const struct in_addr *start_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; + struct ether_addr ha; + int ifindex; + + 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, seed, start_address, &ha, e); + + return EXIT_SUCCESS; +} + +int main(int argc, char *argv[]) { + test_setup_logging(LOG_DEBUG); + + if (argc == 2) + return test_ll(argv[1], NULL, NULL); + else if (argc == 3) { + int r; + union in_addr_union a; + + r = in_addr_from_string(AF_INET, argv[2], &a); + if (r < 0) + return test_ll(argv[1], argv[2], NULL); + else + return test_ll(argv[1], NULL, &a.in); + } else { + log_error("This program takes one or two arguments.\n" + "\t %s <ifname> [<seed>|<start_address>]", program_invocation_short_name); + return EXIT_FAILURE; + } +} |