Line data    Source code

       1             : // Copyright (c) 2011-2023  Made to Order Software Corp.  All Rights Reserved
       2             : //
       3             : // https://snapwebsites.org/project/libaddr
       4             : // contact@m2osw.com
       5             : //
       6             : // Permission is hereby granted, free of charge, to any
       7             : // person obtaining a copy of this software and
       8             : // associated documentation files (the "Software"), to
       9             : // deal in the Software without restriction, including
      10             : // without limitation the rights to use, copy, modify,
      11             : // merge, publish, distribute, sublicense, and/or sell
      12             : // copies of the Software, and to permit persons to whom
      13             : // the Software is furnished to do so, subject to the
      14             : // following conditions:
      15             : //
      16             : // The above copyright notice and this permission notice
      17             : // shall be included in all copies or substantial
      18             : // portions of the Software.
      19             : //
      20             : // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
      21             : // ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
      22             : // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
      23             : // FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO
      24             : // EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
      25             : // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
      26             : // WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
      27             : // ARISING FROM, OUT OF OR IN CONNECTION WITH THE
      28             : // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
      29             : // SOFTWARE.
      30             : 
      31             : /** \file
      32             :  * \brief Verify the route class a little further.
      33             :  *
      34             :  * This file implements a test that verifies a few additional things
      35             :  * in the route table.
      36             :  */
      37             : 
      38             : // libaddr
      39             : //
      40             : #include    <libaddr/route.h>
      41             : 
      42             : 
      43             : // self
      44             : //
      45             : #include    "catch_main.h"
      46             : 
      47             : 
      48             : 
      49             : // C
      50             : //
      51             : #include    <net/if.h>
      52             : #include    <net/route.h>
      53             : 
      54             : 
      55             : // last include
      56             : //
      57             : #include    <snapdev/poison.h>
      58             : 
      59             : 
      60             : 
      61           2 : CATCH_TEST_CASE("ipv4::routes", "[ipv4]")
      62             : {
      63           2 :     CATCH_GIVEN("route::get_ipv4_routes()")
      64             :     {
      65           2 :         addr::route::vector_t routes(addr::route::get_ipv4_routes());
      66           2 :         addr::route::vector_t routes_without_default;
      67             : 
      68           2 :         CATCH_START_SECTION("routes: verify list")
      69             :         {
      70           1 :             CATCH_REQUIRE_FALSE(routes.empty()); // at least the default route
      71             : 
      72             :             // check a few things
      73             :             //
      74           1 :             bool found_default(false);
      75           1 :             bool found_gateway(false);
      76             :             //std::map<std::string, bool> found;
      77          14 :             for(auto r : routes)
      78             :             {
      79          13 :                 CATCH_REQUIRE_FALSE(r->get_interface_name().empty());
      80          13 :                 CATCH_REQUIRE(r->get_interface_name().length() < IFNAMSIZ); // IFNAMSIZ includes the '\0' so '<' and not '<='
      81             : 
      82             :                 //if(found[r->get_interface_name()])
      83             :                 //{
      84             :                 //    std::cerr
      85             :                 //        << "WARNING: found interface \""
      86             :                 //        << r->get_interface_name()
      87             :                 //        << "\" twice.\n";
      88             :                 //    continue;
      89             :                 //}
      90             :                 //found[r->get_interface_name()] = true;
      91             : 
      92             :                 // at least one flag is not zero
      93          13 :                 int const f(r->get_flags());
      94          13 :                 std::string const flags(r->flags_to_string());
      95             : 
      96          13 :                 CATCH_REQUIRE(f != 0);
      97          13 :                 CATCH_REQUIRE(!flags.empty());
      98             : 
      99             : #if 0
     100             : // output similar to `route`
     101             : std::cout << "Route: Dest: " << r->get_destination_address().to_ipv4or6_string(addr::STRING_IP_ADDRESS)
     102             : << " Gateway: " << r->get_gateway_address().to_ipv4or6_string(addr::STRING_IP_ADDRESS)
     103             : << " Flags: " << r->get_flags()
     104             : << " Metric: " << r->get_metric()
     105             : << " Iface: " << r->get_interface_name()
     106             : << "\n";
     107             : #endif
     108          13 :                 if(r->get_destination_address().is_default())
     109             :                 {
     110           1 :                     CATCH_REQUIRE_FALSE(found_default);
     111           1 :                     found_default = true;
     112             : 
     113           1 :                     CATCH_REQUIRE((f & RTF_UP) != 0);
     114             : 
     115           1 :                     if(!r->get_gateway_address().is_default())
     116             :                     {
     117           1 :                         CATCH_REQUIRE_FALSE(found_gateway);
     118           1 :                         found_gateway = true;
     119             :                     }
     120             :                 }
     121             :                 else
     122             :                 {
     123          12 :                     routes_without_default.push_back(r);
     124             :                 }
     125             : 
     126          13 :                 if(!r->get_gateway_address().is_default())
     127             :                 {
     128           3 :                     CATCH_REQUIRE((f & RTF_GATEWAY) != 0);
     129             :                 }
     130             : 
     131             :                 // Not much I can test on the following?
     132             :                 //r->get_flags()
     133          13 :                 CATCH_REQUIRE(r->get_reference_count() >= 0);
     134          13 :                 CATCH_REQUIRE(r->get_use() >= 0);
     135          13 :                 CATCH_REQUIRE(r->get_metric() >= 0);
     136          13 :                 CATCH_REQUIRE(r->get_mtu() >= 0);
     137          13 :                 CATCH_REQUIRE(r->get_window() >= 0);
     138          13 :                 CATCH_REQUIRE(r->get_irtt() >= 0);
     139          13 :             }
     140           1 :             CATCH_REQUIRE(found_default);
     141           1 :             CATCH_REQUIRE(found_gateway);
     142             :         }
     143           2 :         CATCH_END_SECTION()
     144             : 
     145           2 :         CATCH_START_SECTION("routes: verify a search without a default route")
     146             :         {
     147           1 :             CATCH_REQUIRE(find_default_route(routes_without_default) == nullptr);
     148             :         }
     149           2 :         CATCH_END_SECTION()
     150           4 :     }
     151           2 : }
     152             : 
     153             : 
     154             : // vim: ts=4 sw=4 et