extras/vom/vom/api_types.cpp

   1 /*
   2  * Copyright (c) 2018 Cisco and/or its affiliates.
   3  * Licensed under the Apache License, Version 2.0 (the "License");
   4  * you may not use this file except in compliance with the License.
   5  * You may obtain a copy of the License at:
   6  *
   7  *     http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Unless required by applicable law or agreed to in writing, software
  10  * distributed under the License is distributed on an "AS IS" BASIS,
  11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12  * See the License for the specific language governing permissions and
  13  * limitations under the License.
  14  */
  15
  16 #include <vom/api_types.hpp>
  17
  18 namespace VOM {
  19
  20 static vapi_type_ip4_address
  21 to_api(const boost::asio::ip::address_v4& a)
  22 {
  23   vapi_type_ip4_address v;
  24
  25   std::copy_n(a.to_bytes().data(), 4, v.address);
  26
  27   return v;
  28 }
  29
  30 static vapi_type_ip6_address
  31 to_api(const boost::asio::ip::address_v6& a)
  32 {
  33   vapi_type_ip6_address v;
  34
  35   std::copy_n(a.to_bytes().data(), 16, v.address);
  36
  37   return v;
  38 }
  39
  40 vapi_type_address
  41 to_api(const ip_address_t& a)
  42 {
  43   if (a.is_v4()) {
  44     vapi_type_address v = {
  45       .af = ADDRESS_IP4,
  46       .un =
  47         {
  48           .ip4 = to_api(a.to_v4()),
  49         },
  50     };
  51     return (v);
  52   } else {
  53     vapi_type_address v = {
  54       .af = ADDRESS_IP6,
  55       .un =
  56         {
  57           .ip6 = to_api(a.to_v6()),
  58         },
  59     };
  60     return (v);
  61   }
  62 }
  63
  64 ip_address_t
  65 from_api(const vapi_type_address& v)
  66 {
  67   boost::asio::ip::address addr;
  68
  69   if (ADDRESS_IP6 == v.af) {
  70     std::array<uint8_t, 16> a;
  71     std::copy(v.un.ip6.address, v.un.ip6.address + 16, std::begin(a));
  72     boost::asio::ip::address_v6 v6(a);
  73     addr = v6;
  74   } else {
  75     std::array<uint8_t, 4> a;
  76     std::copy(v.un.ip6.address, v.un.ip6.address + 4, std::begin(a));
  77     boost::asio::ip::address_v4 v4(a);
  78     addr = v4;
  79   }
  80
  81   return addr;
  82 }
  83
  84 vapi_type_mac_address
  85 to_api(const mac_address_t& a)
  86 {
  87   vapi_type_mac_address v;
  88
  89   std::copy(std::begin(a.bytes), std::end(a.bytes), v.bytes);
  90
  91   return (v);
  92 }
  93
  94 mac_address_t
  95 from_api(const vapi_type_mac_address& v)
  96 {
  97   return mac_address_t(v.bytes);
  98 }
  99
 100 route::prefix_t
 101 from_api(const vapi_type_prefix& v)
 102 {
 103   return route::prefix_t(from_api(v.address), v.address_length);
 104 }
 105
 106 vapi_type_prefix
 107 to_api(const route::prefix_t& p)
 108 {
 109   vapi_type_prefix v = {
 110     .address = to_api(p.address()), .address_length = p.mask_width(),
 111   };
 112
 113   return v;
 114 }
 115 };
 116
 117 /*
 118  * fd.io coding-style-patch-verification: ON
 119  *
 120  * Local Variables:
 121  * eval: (c-set-style "mozilla")
 122  * End:
 123  */