LCOV - code coverage report
Current view: top level - libsystemd-network - test-ipv4ll-manual.c (source / functions) Hit Total Coverage
Test: systemd_full.info Lines: 0 55 0.0 %
Date: 2019-08-23 13:36:53 Functions: 0 4 0.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 0 62 0.0 %

           Branch data     Line data    Source code
       1                 :            : /* SPDX-License-Identifier: LGPL-2.1+ */
       2                 :            : 
       3                 :            : #include <errno.h>
       4                 :            : #include <net/if.h>
       5                 :            : #include <stdlib.h>
       6                 :            : #include <unistd.h>
       7                 :            : #include <linux/veth.h>
       8                 :            : 
       9                 :            : #include "sd-event.h"
      10                 :            : #include "sd-ipv4ll.h"
      11                 :            : #include "sd-netlink.h"
      12                 :            : 
      13                 :            : #include "alloc-util.h"
      14                 :            : #include "in-addr-util.h"
      15                 :            : #include "netlink-util.h"
      16                 :            : #include "parse-util.h"
      17                 :            : #include "string-util.h"
      18                 :            : #include "tests.h"
      19                 :            : #include "util.h"
      20                 :            : 
      21                 :          0 : static void ll_handler(sd_ipv4ll *ll, int event, void *userdata) {
      22                 :          0 :         _cleanup_free_ char *address = NULL;
      23                 :          0 :         struct in_addr addr = {};
      24                 :            : 
      25         [ #  # ]:          0 :         assert_se(ll);
      26                 :            : 
      27         [ #  # ]:          0 :         if (sd_ipv4ll_get_address(ll, &addr) >= 0)
      28         [ #  # ]:          0 :                 assert_se(in_addr_to_string(AF_INET, (const union in_addr_union*) &addr, &address) >= 0);
      29                 :            : 
      30   [ #  #  #  # ]:          0 :         switch (event) {
      31                 :          0 :         case SD_IPV4LL_EVENT_BIND:
      32         [ #  # ]:          0 :                 log_info("bound %s", strna(address));
      33                 :          0 :                 break;
      34                 :          0 :         case SD_IPV4LL_EVENT_CONFLICT:
      35         [ #  # ]:          0 :                 log_info("conflict on %s", strna(address));
      36                 :          0 :                 break;
      37                 :          0 :         case SD_IPV4LL_EVENT_STOP:
      38         [ #  # ]:          0 :                 log_error("the client was stopped with address %s", strna(address));
      39                 :          0 :                 break;
      40                 :          0 :         default:
      41                 :          0 :                 assert_not_reached("invalid LL event");
      42                 :            :         }
      43                 :          0 : }
      44                 :            : 
      45                 :          0 : static int client_run(int ifindex, const char *seed_str, const struct ether_addr *ha, sd_event *e) {
      46                 :            :         sd_ipv4ll *ll;
      47                 :            : 
      48         [ #  # ]:          0 :         assert_se(sd_ipv4ll_new(&ll) >= 0);
      49         [ #  # ]:          0 :         assert_se(sd_ipv4ll_attach_event(ll, e, 0) >= 0);
      50                 :            : 
      51         [ #  # ]:          0 :         assert_se(sd_ipv4ll_set_ifindex(ll, ifindex) >= 0);
      52         [ #  # ]:          0 :         assert_se(sd_ipv4ll_set_mac(ll, ha) >= 0);
      53         [ #  # ]:          0 :         assert_se(sd_ipv4ll_set_callback(ll, ll_handler, NULL) >= 0);
      54                 :            : 
      55         [ #  # ]:          0 :         if (seed_str) {
      56                 :            :                 unsigned seed;
      57                 :            : 
      58         [ #  # ]:          0 :                 assert_se(safe_atou(seed_str, &seed) >= 0);
      59                 :            : 
      60         [ #  # ]:          0 :                 assert_se(sd_ipv4ll_set_address_seed(ll, seed) >= 0);
      61                 :            :         }
      62                 :            : 
      63         [ #  # ]:          0 :         log_info("starting IPv4LL client");
      64                 :            : 
      65         [ #  # ]:          0 :         assert_se(sd_ipv4ll_start(ll) >= 0);
      66                 :            : 
      67         [ #  # ]:          0 :         assert_se(sd_event_loop(e) >= 0);
      68                 :            : 
      69         [ #  # ]:          0 :         assert_se(!sd_ipv4ll_unref(ll));
      70                 :            : 
      71                 :          0 :         return EXIT_SUCCESS;
      72                 :            : }
      73                 :            : 
      74                 :          0 : static int test_ll(const char *ifname, const char *seed) {
      75                 :          0 :         _cleanup_(sd_event_unrefp) sd_event *e = NULL;
      76                 :          0 :         _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
      77                 :          0 :         _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL, *reply = NULL;
      78                 :            :         struct ether_addr ha;
      79                 :            :         int ifindex;
      80                 :            : 
      81         [ #  # ]:          0 :         assert_se(sd_event_new(&e) >= 0);
      82                 :            : 
      83         [ #  # ]:          0 :         assert_se(sd_netlink_open(&rtnl) >= 0);
      84         [ #  # ]:          0 :         assert_se(sd_netlink_attach_event(rtnl, e, 0) >= 0);
      85                 :            : 
      86         [ #  # ]:          0 :         assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, 0) >= 0);
      87         [ #  # ]:          0 :         assert_se(sd_netlink_message_append_string(m, IFLA_IFNAME, ifname) >= 0);
      88         [ #  # ]:          0 :         assert_se(sd_netlink_call(rtnl, m, 0, &reply) >= 0);
      89                 :            : 
      90         [ #  # ]:          0 :         assert_se(sd_rtnl_message_link_get_ifindex(reply, &ifindex) >= 0);
      91         [ #  # ]:          0 :         assert_se(sd_netlink_message_read_ether_addr(reply, IFLA_ADDRESS, &ha) >= 0);
      92                 :            : 
      93                 :          0 :         client_run(ifindex, seed, &ha, e);
      94                 :            : 
      95                 :          0 :         return EXIT_SUCCESS;
      96                 :            : }
      97                 :            : 
      98                 :          0 : int main(int argc, char *argv[]) {
      99                 :          0 :         test_setup_logging(LOG_DEBUG);
     100                 :            : 
     101         [ #  # ]:          0 :         if (argc == 2)
     102                 :          0 :                 return test_ll(argv[1], NULL);
     103         [ #  # ]:          0 :         else if (argc == 3)
     104                 :          0 :                 return test_ll(argv[1], argv[2]);
     105                 :            :         else {
     106         [ #  # ]:          0 :                 log_error("This program takes one or two arguments.\n"
     107                 :            :                           "\t %s <ifname> [<seed>]", program_invocation_short_name);
     108                 :          0 :                 return EXIT_FAILURE;
     109                 :            :         }
     110                 :            : }

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