{"id":45663,"date":"2022-12-14T20:09:46","date_gmt":"2023-01-03T05:13:26","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45663-2\/"},"modified":"2024-04-29T05:17:35","modified_gmt":"2024-04-28T21:17:35","slug":"45663-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45663-2\/","title":{"rendered":""},"content":{"rendered":"

\u3053\u308c\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h2>\n

3\u306e\u500d\u6570\u30683\u304c\u3064\u304f\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u306e\u3068\u304d\u3060\u3051\u30a2\u30db\u306b\u306a\u308b\uff08\u9045\u5ef6\u3059\u308b\uff09\u30eb\u30fc\u30bf\u30fc\u3092\u3064\u304f\u3063\u305f<\/p>\n

\u305d\u306e\u30d8\u30f3\u30c6\u30b3\u306a\u30eb\u30fc\u30bf\u30fc\u306e\u7d39\u4ecb\u8a18\u4e8b\u3067\u3059\uff01
\nDocker\u3067\u3064\u304f\u3063\u305f\u306e\u3067\u3001\u63b2\u8f09\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u30b3\u30d4\u30da\u3059\u308c\u3070\u3001\u8ab0\u3067\u3082\u518d\u73fe\u53ef\u80fd\u304b\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u3001\u305c\u3072\u306b\uff01<\/p>\n

\u5b8c\u6210\u54c1\u306f\u30b3\u30c1\u30e9\u2605<\/h2>\n

\u753b\u9762\u5de6\u304c\u30eb\u30fc\u30bf\u30fc\u3000\uff0f\u3000\u753b\u9762\u53f3\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08PING\u3092\u6253\u3064\u4fc2\uff09<\/p>\n

\u30ca\u30d9\u30a2\u30c4\u5f0f\u30eb\u30fc\u30eb\u306b\u5f93\u3063\u3066\u3001\u30a2\u30db\u306b\u306a\u3063\u3066\u3044\u308b\uff08\uff11\u79d2\u9045\u5ef6\u3057\u3066\u3044\u308b\uff09
\n\u30a2\u30db\u3058\u3083\u306a\u3044\u3068\u304d\u306f\u30011\u30df\u30ea\u79d2\u4ee5\u4e0b\u306e\u5fdc\u7b54\u3067\u3059\u306d<\/p>\n

\"Animation1.gif\"<\/div>\n

\u304a\u5f85\u3061\u304b\u306d\u306e\u30be\u30fc\u30f3?\u3000\uff13\uff10\uff5e\uff13\uff19\u306f\u5168\u90e8\u30a2\u30db\u306b\u306a\u308b<\/p>\n

\"Animation2.gif\"<\/div>\n

\u3061\u3083\u3093\u3068\uff08\uff1f\uff09\u3001\uff11\u79d2\u9045\u5ef6\u3057\u3066\u304b\u3089PING\u3092\u8ee2\u9001\u3057\u3066\u3044\u308b<\/p>\n

\u306a\u305c\u3064\u304f\u3063\u305f\uff1f<\/h2>\n
    \n
  • \n
      Rust\u52c9\u5f37\u306e\u305f\u3081\uff08\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u52c9\u5f37\u4e2d\uff09<\/ul>\n<\/li>\n<\/ul>\n

      \u30eb\u30fc\u30bf\u30fc\u81ea\u4f5c\u3067\u308f\u304b\u308b\u30d1\u30b1\u30c3\u30c8\u306e\u6d41\u308c\u3092\u8aad\u3093\u3067\u3001\u56de\u7dda\u9045\u5ef6\u88c5\u7f6e\u3092\u3064\u304f\u3063\u3066\u307f\u305f\u304f\u306a\u3063\u305f\u305f\u3081\uff08\u305d\u306e\u8db3\u639b\u304b\u308a\u3068\u3057\u3066\uff09<\/p>\n

      \u8a73\u7d30<\/h2>\n
        \n
      • \n
          \u5148\u306b\u304a\u898b\u305b\u3057\u305f\u30eb\u30fc\u30bf\u30fc\u3084PING\u6253\u3064\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3001\u3059\u3079\u3066Docker\u30b3\u30f3\u30c6\u30ca<\/ul>\n<\/li>\n<\/ul>\n

           <\/p>\n

            \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3082\u7269\u7406\u7684\u306a\u914d\u7dda\u306a\u3069\u306f\u4e00\u5207\u306a\u304f\u3001\u3059\u3079\u3066Docker\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u8a71<\/ul>\n

            \u524d\u56de\u8a18\u4e8b\u3067\u3001\u3059\u3067\u306bDocker\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4f5c\u6210\u3057\u3066PING\u306e\u758e\u901a\u78ba\u8a8d\u307e\u3067\u7d42\u3048\u3066\u3044\u308b
            \n\u4eca\u56de\u306f\u305d\u306e\u7d9a\u304d\u3068\u3057\u3066\u3001\u4e3b\u306b\u30eb\u30fc\u30bf\u3092\u30a2\u30db\u306b\u3059\u308b\u305f\u3081\u306e\u7d30\u5de5\u3092\u65bd\u3057\u3066\u3044\u304f<\/p>\n

            \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u56f3<\/h3>\n
            \"image.png\"<\/div>\n
            \n
            \u7aef\u672b\u30cd\u30c3\u30c8\u30ef\u30fc\u30afMAC\u30a2\u30c9\u30ec\u30b9\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff11\u53f7\u6a5f172.23.1.10<\/strong>\/2402:42\":flag_ac:\"17:01:0a<\/strong>\u30eb\u30fc\u30bf172.23.1.250<\/strong>\/2402:42\":flag_ac:\"17:01:fa<\/strong>\u30eb\u30fc\u30bf172.23.2.250<\/strong>\/2402:42\":flag_ac:\"17:02:fa<\/strong>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff12\u53f7\u6a5f172.23.2.10<\/strong>\/2402:42\":flag_ac:\"17:02:0a<\/strong><\/div>\n<\/div>\n

            \uff08\u5f8c\u8ff0\u3057\u307e\u3059\u304c\uff09\u3001\u3001
            \n\u4eca\u56de\u306e\u30eb\u30fc\u30bf\u30fc\u306f\u30a4\u30f3\u30c1\u30ad\u4ed5\u69d8\u3067\u3001ARP\u3092\u305b\u305a\u306bMAC\u30a2\u30c9\u30ec\u30b9\u3092\u30cf\u30fc\u30c9\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u3053\u3067MAC\u30a2\u30c9\u30ec\u30b9\u3092\u3088\u304f\u8abf\u3079\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308b<\/p>\n

            \n

            :ac:\u304c\u306b\u306a\u308a\u307e\u3059\u306d\u3002MAC\u30a2\u30c9\u30ec\u30b9\u306bac\u304c\u542b\u307e\u308c\u308b\u3068\u56fd\u65d7\u306b\u5909\u63db\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u306d\u3002<\/p>\n<\/div>\n

            Dockerfile<\/h3>\n
              \n
            • \n
                \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306eDockerfile\u306f\u3001\u524d\u56de\u8a18\u4e8b\u3068\u540c\u3058<\/ul>\n<\/li>\n<\/ul>\n

                 <\/p>\n

                  \u30eb\u30fc\u30bf\u30fc\u306fDockerfile\u3092\u4f7f\u308f\u306a\u3044\u3002\u516c\u5f0f\u306eRust\u30a4\u30e1\u30fc\u30b8\u3092\u4f7f\u3046\u3002<\/ul>\n

                  entrypoint.sh<\/h3>\n

                  \u30eb\u30fc\u30bf\u306f\u3001\u8d77\u52d5\u5f8c\u306bcargo run\u3067Rust\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b
                  \n\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u30eb\u30fc\u30bf\u306e\u5f79\u5272\u3068\u3057\u3066\u5e38\u99d0\u3057\u7d9a\u3051\u308b<\/p>\n

                  #!\/bin\/bash<\/span>\r\n\r\ncd<\/span> \/mnt\r\ncargo run eth0 eth1\r\n<\/code><\/pre>\n
                  \u30eb\u30fc\u30bf\u306f\uff12\u3064\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u6240\u5c5e\u3057\u3066\u304a\u308a\u3001NIC\u3092\uff12\u3064\u5099\u3048\u308b
                  \neth0\u3068eth1\u304c2\u3064\u306eNIC\u3067\u3042\u308a\u3001\u7247\u65b9\u304b\u3089\u53d7\u3051\u305f\u30d1\u30b1\u30c3\u30c8\u3092\u3001\u3082\u3046\u7247\u65b9\u306eNIC\u3078\u8ee2\u9001\u3059\u308b
                  \n\u305d\u308c\u305e\u308c\u306eNIC\u306eIP\u30a2\u30c9\u30ec\u30b9\u3068MAC\u30a2\u30c9\u30ec\u30b9\u306f\u5148\u8ff0\u306e\u8868\u306e\u3068\u304a\u308a<\/p>\n
                  \uff08NIC\u4f59\u8ac7\uff09Windows\u306e\u5834\u5408<\/h4>\n
                  Linux\u3067\u306feth0\u3067\u3042\u308b\u304c\u3001Windows\u306e\u5834\u5408\u306f\\\\Device\\\\NPF_{A????????-F???-????-????-E??????}\u306e\u3088\u3046\u306a\u9577\u3044\u6587\u5b57\u5217\u306b\u306a\u308b
                  \n\u5177\u4f53\u7684\u306b\u3069\u3046\u3044\u3046\u6587\u5b57\u5217\u306b\u306a\u308b\u304b\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308c\u3070\u308f\u304b\u308b<\/p>\n
                   <\/p>\n
                  docker-compose.yml<\/h3>\n
                  \u30dd\u30a4\u30f3\u30c8<\/p>\n
                    \u30eb\u30fc\u30bf\u30de\u30b7\u30f3\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30dd\u30fc\u30c8\u30d5\u30a9\u30ef\u30fc\u30c9\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067sysctls\u3092net.ipv4.ip_forward=0\u3068\u3059\u308b<\/ul>\n
                    version<\/span>:<\/span> '<\/span>3.9'<\/span>\r\n\r\nservices<\/span>:<\/span>\r\n  client1<\/span>:<\/span>\r\n    build<\/span>:<\/span> .\/client1<\/span>\r\n    container_name<\/span>:<\/span> client1<\/span>\r\n    hostname<\/span>:<\/span> client1<\/span>\r\n    tty<\/span>:<\/span> true<\/span>\r\n    stdin_open<\/span>:<\/span> true<\/span>\r\n    privileged<\/span>:<\/span> true<\/span>\r\n    volumes<\/span>:<\/span>\r\n      -<\/span> .\/client1\/mnt:\/mnt<\/span>\r\n    networks<\/span>:<\/span>\r\n      delay-net1<\/span>:<\/span>      \r\n        ipv4_address<\/span>:<\/span> 172.23.1.10<\/span>\r\n    entrypoint<\/span>:<\/span> \/mnt\/entrypoint.sh<\/span>\r\n\r\n  client2<\/span>:<\/span>\r\n    build<\/span>:<\/span> .\/client2<\/span>\r\n    container_name<\/span>:<\/span> client2<\/span>\r\n    hostname<\/span>:<\/span> client2<\/span>\r\n    tty<\/span>:<\/span> true<\/span>\r\n    stdin_open<\/span>:<\/span> true<\/span>\r\n    privileged<\/span>:<\/span> true<\/span>\r\n    volumes<\/span>:<\/span>\r\n      -<\/span> .\/client2\/mnt:\/mnt<\/span>\r\n    networks<\/span>:<\/span>\r\n      delay-net2<\/span>:<\/span>      \r\n        ipv4_address<\/span>:<\/span> 172.23.2.10<\/span>\r\n    entrypoint<\/span>:<\/span> \/mnt\/entrypoint.sh<\/span>\r\n\r\n  router<\/span>:<\/span>\r\n    image<\/span>:<\/span> rust<\/span>\r\n    container_name<\/span>:<\/span> router<\/span>\r\n    hostname<\/span>:<\/span> router<\/span>\r\n    volumes<\/span>:<\/span>\r\n      -<\/span> .\/:\/mnt<\/span>\r\n    networks<\/span>:<\/span>\r\n      delay-net1<\/span>:<\/span>\r\n        ipv4_address<\/span>:<\/span> 172.23.1.250<\/span>\r\n      delay-net2<\/span>:<\/span>      \r\n        ipv4_address<\/span>:<\/span> 172.23.2.250<\/span>\r\n    sysctls<\/span>:<\/span>\r\n      -<\/span> net.ipv4.ip_forward=0<\/span>\r\n    entrypoint<\/span>:<\/span> \/mnt\/router\/mnt\/entrypoint.sh<\/span>\r\n      \r\nnetworks<\/span>:<\/span>\r\n  delay-net1<\/span>:<\/span>\r\n    ipam<\/span>:<\/span>\r\n      driver<\/span>:<\/span> default<\/span>\r\n      config<\/span>:<\/span>\r\n        -<\/span> subnet<\/span>:<\/span> 172.23.1.0\/24<\/span>\r\n  delay-net2<\/span>:<\/span>\r\n    ipam<\/span>:<\/span>\r\n      driver<\/span>:<\/span> default<\/span>\r\n      config<\/span>:<\/span>\r\n        -<\/span> subnet<\/span>:<\/span> 172.23.2.0\/24<\/span>\r\n<\/code><\/pre>\n
                    \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u8a2d\u5b9a\u30dd\u30a4\u30f3\u30c8\u306f\u524d\u56de\u8a18\u4e8b\u3092\u53c2\u7167\u306e\u3053\u3068<\/p>\n
                    Rust\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9main.rs<\/h3>\n
                    Rust\u3067\u59cb\u3081\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u5927\u3044\u306b\u53c2\u8003\u306b\u3055\u305b\u3066\u3044\u305f\u3060\u3044\u305f
                    \nRust\u306e\u30b9\u30ec\u30c3\u30c9\u3082\u3088\u304f\u308f\u304b\u3063\u3066\u304a\u3089\u305a\u3001\u3068\u308a\u3042\u3048\u305a\u52d5\u3051\u3070\u3044\u3044\u30b3\u30fc\u30c9\u306a\u306e\u3067\u60aa\u3057\u304b\u3089\u305a<\/p>\n
                    ARP\u306f\u5b9f\u88c5\u3057\u3066\u304a\u3089\u305a\u3001Docker\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u3064\u304f\u3063\u305f\u6bb5\u968e\u3067MAC\u30a2\u30c9\u30ec\u30b9\u3092\u8abf\u3079\u3066
                    \nMAC\u30a2\u30c9\u30ec\u30b9\u3092\u30cf\u30fc\u30c9\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3059\u308b\u3068\u3044\u3046\u8352\u696d<\/p>\n
                    use<\/span> log<\/span>::<\/span>info<\/span>;<\/span>\r\nuse<\/span> once_cell<\/span>::<\/span>sync<\/span>::<\/span>Lazy<\/span>;<\/span>\r\nuse<\/span> pnet<\/span>::<\/span>datalink<\/span>::<\/span>NetworkInterface<\/span>;<\/span>\r\nuse<\/span> pnet<\/span>::<\/span>datalink<\/span>::{<\/span>self<\/span>,<\/span> Channel<\/span>::<\/span>Ethernet<\/span>};<\/span>\r\nuse<\/span> pnet<\/span>::<\/span>packet<\/span>::<\/span>ip<\/span>::<\/span>IpNextHeaderProtocol<\/span>;<\/span>\r\nuse<\/span> pnet<\/span>::<\/span>packet<\/span>::{<\/span>ethernet<\/span>::<\/span>EthernetPacket<\/span>,<\/span> ipv4<\/span>::<\/span>Ipv4Packet<\/span>,<\/span> Packet<\/span>};<\/span>\r\nuse<\/span> std<\/span>::{<\/span>env<\/span>,<\/span> net<\/span>::<\/span>IpAddr<\/span>};<\/span>\r\nuse<\/span> std<\/span>::{<\/span>thread<\/span>,<\/span> time<\/span>};<\/span>\r\n\r\nstatic<\/span> INTERFACE<\/span>:<\/span> Lazy<\/span><<\/span>Vec<\/span><<\/span>NetworkInterface<\/span>>><\/span> =<\/span> Lazy<\/span>::<\/span>new<\/span>(||<\/span> pnet<\/span>::<\/span>datalink<\/span>::<\/span>interfaces<\/span>());<\/span>\r\n\r\nfn<\/span> main<\/span>()<\/span> {<\/span>\r\n    env<\/span>::<\/span>set_var<\/span>(<\/span>\"RUST_LOG\"<\/span>,<\/span> \"debug\"<\/span>);<\/span>\r\n    env_logger<\/span>::<\/span>init<\/span>();<\/span>\r\n\r\n    let<\/span> args<\/span>:<\/span> Vec<\/span><<\/span>String<\/span>><\/span> =<\/span> env<\/span>::<\/span>args<\/span>()<\/span>.collect<\/span>();<\/span>\r\n    if<\/span> args<\/span>.len<\/span>()<\/span> !=<\/span> 3<\/span> {<\/span>\r\n        log<\/span>::<\/span>error!<\/span>(<\/span>\"Please specify target interface name\"<\/span>);<\/span>\r\n        std<\/span>::<\/span>process<\/span>::<\/span>exit<\/span>(<\/span>1<\/span>);<\/span>\r\n    }<\/span>\r\n    let<\/span> interface_name1<\/span> =<\/span> &<\/span>args<\/span>[<\/span>1<\/span>];<\/span>\r\n    let<\/span> interface_name2<\/span> =<\/span> &<\/span>args<\/span>[<\/span>2<\/span>];<\/span>\r\n\r\n    let<\/span> interface1<\/span> =<\/span> INTERFACE<\/span>\r\n        .iter<\/span>()<\/span>\r\n        .find<\/span>(|<\/span>iface<\/span>|<\/span> iface<\/span>.name<\/span> ==<\/span> *<\/span>interface_name1<\/span>)<\/span>\r\n        .expect<\/span>(<\/span>\"Failed to get interface1\"<\/span>);<\/span>\r\n    let<\/span> interface2<\/span> =<\/span> INTERFACE<\/span>\r\n        .iter<\/span>()<\/span>\r\n        .find<\/span>(|<\/span>iface<\/span>|<\/span> iface<\/span>.name<\/span> ==<\/span> *<\/span>interface_name2<\/span>)<\/span>\r\n        .expect<\/span>(<\/span>\"Failed to get interface2\"<\/span>);<\/span>\r\n\r\n    let<\/span> (<\/span>mut<\/span> tx<\/span>,<\/span> mut<\/span> rx<\/span>)<\/span> =<\/span> match<\/span> datalink<\/span>::<\/span>channel<\/span>(<\/span>interface1<\/span>,<\/span> Default<\/span>::<\/span>default<\/span>())<\/span> {<\/span>\r\n        Ok<\/span>(<\/span>Ethernet<\/span>(<\/span>tx<\/span>,<\/span> rx<\/span>))<\/span> =><\/span> (<\/span>tx<\/span>,<\/span> rx<\/span>),<\/span>\r\n        Ok<\/span>(<\/span>_<\/span>)<\/span> =><\/span> panic!<\/span>(<\/span>\"Unhandled channel type\"<\/span>),<\/span>\r\n        Err<\/span>(<\/span>e<\/span>)<\/span> =><\/span> panic!<\/span>(<\/span>\r\n            \"An error occurred when creating the datalink channel: {}\"<\/span>,<\/span>\r\n            e<\/span>\r\n        ),<\/span>\r\n    };<\/span>\r\n\r\n    let<\/span> (<\/span>mut<\/span> txx<\/span>,<\/span> mut<\/span> rxx<\/span>)<\/span> =<\/span> match<\/span> datalink<\/span>::<\/span>channel<\/span>(<\/span>interface2<\/span>,<\/span> Default<\/span>::<\/span>default<\/span>())<\/span> {<\/span>\r\n        Ok<\/span>(<\/span>Ethernet<\/span>(<\/span>tx<\/span>,<\/span> rx<\/span>))<\/span> =><\/span> (<\/span>tx<\/span>,<\/span> rx<\/span>),<\/span>\r\n        Ok<\/span>(<\/span>_<\/span>)<\/span> =><\/span> panic!<\/span>(<\/span>\"Unhandled channel type\"<\/span>),<\/span>\r\n        Err<\/span>(<\/span>e<\/span>)<\/span> =><\/span> panic!<\/span>(<\/span>\r\n            \"An error occurred when creating the datalink channel: {}\"<\/span>,<\/span>\r\n            e<\/span>\r\n        ),<\/span>\r\n    };<\/span>\r\n\r\n    let<\/span> handle1<\/span> =<\/span> thread<\/span>::<\/span>spawn<\/span>(<\/span>move<\/span> ||<\/span> {<\/span>\r\n        let<\/span> wait_time<\/span> =<\/span> time<\/span>::<\/span>Duration<\/span>::<\/span>from_millis<\/span>(<\/span>1000<\/span>);<\/span>\r\n        let<\/span> mut<\/span> x<\/span> =<\/span> 1<\/span>;<\/span>\r\n        loop<\/span> {<\/span>\r\n            match<\/span> rx<\/span>.next<\/span>()<\/span> {<\/span>\r\n                Ok<\/span>(<\/span>packet_in<\/span>)<\/span> =><\/span> {<\/span>\r\n                    let<\/span> packet<\/span> =<\/span> EthernetPacket<\/span>::<\/span>new<\/span>(<\/span>packet_in<\/span>)<\/span>.unwrap<\/span>();<\/span>\r\n                    let<\/span> ip_packet<\/span> =<\/span> Ipv4Packet<\/span>::<\/span>new<\/span>(<\/span>packet<\/span>.payload<\/span>());<\/span>\r\n\r\n                    if<\/span> let<\/span> Some<\/span>(<\/span>ip_packet<\/span>)<\/span> =<\/span> ip_packet<\/span> {<\/span>\r\n                        println!<\/span>(<\/span>\r\n                            \"{0} {1} -> {2} {3}<\/span>\\t<\/span>{4}\"<\/span>,<\/span>\r\n                            IpAddr<\/span>::<\/span>V4<\/span>(<\/span>ip_packet<\/span>.get_source<\/span>()),<\/span>\r\n                            packet<\/span>.get_source<\/span>(),<\/span>\r\n                            IpAddr<\/span>::<\/span>V4<\/span>(<\/span>ip_packet<\/span>.get_destination<\/span>()),<\/span>\r\n                            packet<\/span>.get_destination<\/span>(),<\/span>\r\n                            ip_packet<\/span>.get_next_level_protocol<\/span>(),<\/span>\r\n                        );<\/span>\r\n\r\n                        if<\/span> ip_packet<\/span>.get_next_level_protocol<\/span>()<\/span> ==<\/span> IpNextHeaderProtocol<\/span>(<\/span>1<\/span>)<\/span> {<\/span>\r\n                            if<\/span> x<\/span> %<\/span> 3<\/span> ==<\/span> 0<\/span> ||<\/span> x<\/span> \/<\/span> 10<\/span> %<\/span> 10<\/span> ==<\/span> 3<\/span> ||<\/span> x<\/span> %<\/span> 10<\/span> ==<\/span> 3<\/span> {<\/span>\r\n                                thread<\/span>::<\/span>sleep<\/span>(<\/span>wait_time<\/span>);<\/span>\r\n                                info!<\/span>(<\/span>\"?<<\u300c{}\u300d\"<\/span>,<\/span> x<\/span>);<\/span>\r\n                            }<\/span> else<\/span> {<\/span>\r\n                                info!<\/span>(<\/span>\"?<<\u300c{}\u300d\"<\/span>,<\/span> x<\/span>);<\/span>\r\n                            }<\/span>\r\n                            x<\/span> +=<\/span> 1<\/span>;<\/span>\r\n                        }<\/span>\r\n                    }<\/span>\r\n\r\n                    let<\/span> mut<\/span> v1<\/span> =<\/span> vec!<\/span>[<\/span>2<\/span>,<\/span> 66<\/span>,<\/span> 172<\/span>,<\/span> 23<\/span>,<\/span> 2<\/span>,<\/span> 10<\/span>,<\/span> 2<\/span>,<\/span> 66<\/span>,<\/span> 172<\/span>,<\/span> 23<\/span>,<\/span> 2<\/span>,<\/span> 250<\/span>];<\/span>\r\n                    v1<\/span>.extend<\/span>(<\/span>&<\/span>packet_in<\/span>[<\/span>12<\/span>..<\/span>]);<\/span>\r\n                    txx<\/span>.send_to<\/span>(<\/span>&<\/span>v1<\/span>,<\/span> Some<\/span>(<\/span>interface2<\/span>.to_owned<\/span>()));<\/span>\r\n                }<\/span>\r\n                Err<\/span>(<\/span>e<\/span>)<\/span> =><\/span> {<\/span>\r\n                    panic!<\/span>(<\/span>\"An error occurred while reading: {}\"<\/span>,<\/span> e<\/span>);<\/span>\r\n                }<\/span>\r\n            }<\/span>\r\n        }<\/span>\r\n    });<\/span>\r\n\r\n    let<\/span> handle2<\/span> =<\/span> thread<\/span>::<\/span>spawn<\/span>(<\/span>move<\/span> ||<\/span> loop<\/span> {<\/span>\r\n        match<\/span> rxx<\/span>.next<\/span>()<\/span> {<\/span>\r\n            Ok<\/span>(<\/span>packet_in<\/span>)<\/span> =><\/span> {<\/span>\r\n                let<\/span> packet<\/span> =<\/span> EthernetPacket<\/span>::<\/span>new<\/span>(<\/span>packet_in<\/span>)<\/span>.unwrap<\/span>();<\/span>\r\n                let<\/span> ip_packet<\/span> =<\/span> Ipv4Packet<\/span>::<\/span>new<\/span>(<\/span>packet<\/span>.payload<\/span>());<\/span>\r\n\r\n                if<\/span> let<\/span> Some<\/span>(<\/span>ip_packet<\/span>)<\/span> =<\/span> ip_packet<\/span> {<\/span>\r\n                    println!<\/span>(<\/span>\r\n                        \"{0} {1} -> {2} {3}<\/span>\\t<\/span>{4}\"<\/span>,<\/span>\r\n                        IpAddr<\/span>::<\/span>V4<\/span>(<\/span>ip_packet<\/span>.get_source<\/span>()),<\/span>\r\n                        packet<\/span>.get_source<\/span>(),<\/span>\r\n                        IpAddr<\/span>::<\/span>V4<\/span>(<\/span>ip_packet<\/span>.get_destination<\/span>()),<\/span>\r\n                        packet<\/span>.get_destination<\/span>(),<\/span>\r\n                        ip_packet<\/span>.get_next_level_protocol<\/span>(),<\/span>\r\n                    );<\/span>\r\n                }<\/span>\r\n\r\n                let<\/span> mut<\/span> v1<\/span> =<\/span> vec!<\/span>[<\/span>2<\/span>,<\/span> 66<\/span>,<\/span> 172<\/span>,<\/span> 23<\/span>,<\/span> 1<\/span>,<\/span> 10<\/span>,<\/span> 2<\/span>,<\/span> 66<\/span>,<\/span> 172<\/span>,<\/span> 23<\/span>,<\/span> 1<\/span>,<\/span> 250<\/span>];<\/span>\r\n                v1<\/span>.extend<\/span>(<\/span>&<\/span>packet_in<\/span>[<\/span>12<\/span>..<\/span>]);<\/span>\r\n                tx<\/span>.send_to<\/span>(<\/span>&<\/span>v1<\/span>,<\/span> Some<\/span>(<\/span>interface2<\/span>.to_owned<\/span>()));<\/span>\r\n            }<\/span>\r\n            Err<\/span>(<\/span>e<\/span>)<\/span> =><\/span> {<\/span>\r\n                panic!<\/span>(<\/span>\"An error occurred while reading: {}\"<\/span>,<\/span> e<\/span>);<\/span>\r\n            }<\/span>\r\n        }<\/span>\r\n    });<\/span>\r\n\r\n    handle1<\/span>.join<\/span>()<\/span>.unwrap<\/span>();<\/span>\r\n    handle2<\/span>.join<\/span>()<\/span>.unwrap<\/span>();<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                    \u5b9b\u5148MAC\u30a2\u30c9\u30ec\u30b9\u3068\u9001\u4fe1\u5143MAC\u30a2\u30c9\u30ec\u30b9\u306f\u3001u8\u914d\u5217\u306e\u4e0a\u4f4d12\u8981\u7d20\u76ee\u307e\u3067\u306b\u3042\u308b
                    \n\u672c\u6765\u306fARP\u30c6\u30fc\u30d6\u30eb\u3092\u4f7f\u3046\u3068\u3053\u308d\u3092\u76f4\u63a5\u66f8\u304d\u63db\u3048\u3066\u3044\u308b<\/p>\n
                    \/\/ MAC\u30a2\u30c9\u30ec\u30b9\u30cf\u30fc\u30c9\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0<\/span>\r\nlet<\/span> mut<\/span> v1<\/span> =<\/span> vec!<\/span>[<\/span>2<\/span>,<\/span> 66<\/span>,<\/span> 172<\/span>,<\/span> 23<\/span>,<\/span> 1<\/span>,<\/span> 10<\/span>,<\/span> 2<\/span>,<\/span> 66<\/span>,<\/span> 172<\/span>,<\/span> 23<\/span>,<\/span> 1<\/span>,<\/span> 250<\/span>];<\/span>\r\n\/\/ \u5165\u3063\u3066\u304d\u305f\u30d1\u30b1\u30c3\u30c8\u306e\u4e0a\u4f4d12\u30d0\u30a4\u30c8\u3092\u66f8\u304d\u63db\u3048<\/span>\r\nv1<\/span>.extend<\/span>(<\/span>&<\/span>packet_in<\/span>[<\/span>12<\/span>..<\/span>]);<\/span>\r\n<\/code><\/pre>\n
                    dependencies\u306f\u4ee5\u4e0b\u306e\u901a\u308a<\/p>\n
                    [dependencies]<\/span>\r\ndefault-net<\/span> =<\/span> \"0.15\"<\/span>\r\npnet<\/span> =<\/span> \"0.33.0\"<\/span>\r\nlog<\/span> =<\/span> \"0.4.19\"<\/span>\r\nenv_logger<\/span> =<\/span> \"0.10.0\"<\/span>\r\nonce_cell<\/span> =<\/span> \"1.18.0\"<\/span>\r\n<\/code><\/pre>\n
                    \u304a\u308f\u308a\u306b<\/h2>\n
                    Docker\u30b3\u30f3\u30c6\u30ca\u4e0a\u3067\u3001Rust\u30a4\u30e1\u30fc\u30b8\u3092\u30d9\u30fc\u30b9\u3068\u3057\u305f\u30eb\u30fc\u30bf\u30de\u30b7\u30f3\u3092\u3064\u304f\u3063\u305f<\/p>\n
                    ICMP\u30d1\u30b1\u30c3\u30c8\u3092\u53d7\u3051\u305f\u56de\u6570\u3092\u30ab\u30a6\u30f3\u30c8\u3057\u3066
                    \n\u30ca\u30d9\u30a2\u30c4\u5f0f\u30eb\u30fc\u30eb\u306b\u3088\u3063\u3066\u30d1\u30b1\u30c3\u30c8\u8ee2\u9001\u3092\u308f\u3056\u3068\u9045\u3089\u305b\u3066\u307f\u305f<\/p>\n
                    \u3068\u308a\u3042\u3048\u305a\u3084\u308a\u305f\u3044\u3053\u3068\u304c\u3067\u304d\u305f\u306e\u3067
                    \n\u4eca\u5f8c\u306fRust\u3092\u304d\u308c\u3044\u306b\u66f8\u3051\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u304d\u3064\u3064
                    \nARP\u3084\u3089NAT\u3084\u3089\u3092\u30a8\u30bb\u5b9f\u88c5\u3057\u3066\u3044\u304d\u305f\u3044<\/p>\n
                    \u53c2\u8003\u8a18\u4e8b<\/h2>\n
                    Rust \u7df4\u7fd2\u554f\u984c\u300c\uff13\u304c\u3064\u304f\u3068\u30a2\u30db\u306b\u306a\u308b\u300d<\/p>\n
                     <\/p>\n
                    \u7cf8\u51ac\u4e86\uff01\uff01<\/h2>\n","protected":false},"excerpt":{"rendered":"
                    \u3053\u308c\u306f\u4f55\u3067\u3059\u304b\uff1f 3\u306e\u500d\u6570\u30683\u304c\u3064\u304f\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u306e\u3068\u304d\u3060\u3051\u30a2\u30db\u306b\u306a\u308b\uff08\u9045\u5ef6\u3059\u308b\uff09\u30eb\u30fc\u30bf\u30fc\u3092\u3064\u304f\u3063\u305f \u305d\u306e\u30d8\u30f3 […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45663","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/45663-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u3053\u308c\u306f\u4f55\u3067\u3059\u304b\uff1f 3\u306e\u500d\u6570\u30683\u304c\u3064\u304f\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u306e\u3068\u304d\u3060\u3051\u30a2\u30db\u306b\u306a\u308b\uff08\u9045\u5ef6\u3059\u308b\uff09\u30eb\u30fc\u30bf\u30fc\u3092\u3064\u304f\u3063\u305f \u305d\u306e\u30d8\u30f3 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45663-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-01-03T05:13:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-28T21:17:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d608237434c4406cfb2ef\/6-0.gif\" \/>\n<meta name=\"author\" content=\"\u65b0, \u97f5\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u65b0, \u97f5\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/45663-2\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/45663-2\/\",\"name\":\"- Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-01-03T05:13:26+00:00\",\"dateModified\":\"2024-04-28T21:17:35+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/4ba4019495123db3038fd0809e6959c9\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/45663-2\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/4ba4019495123db3038fd0809e6959c9\",\"name\":\"\u65b0, \u97f5\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/d484b6c6e4ae82e8a9efea989e1d2af46d9b6ef128101e63b18f559fca0ae627?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/d484b6c6e4ae82e8a9efea989e1d2af46d9b6ef128101e63b18f559fca0ae627?s=96&d=mm&r=g\",\"caption\":\"\u65b0, \u97f5\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/yunxin\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/45663-2\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"- Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/45663-2\/","og_locale":"zh_CN","og_type":"article","og_description":"\u3053\u308c\u306f\u4f55\u3067\u3059\u304b\uff1f 3\u306e\u500d\u6570\u30683\u304c\u3064\u304f\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u306e\u3068\u304d\u3060\u3051\u30a2\u30db\u306b\u306a\u308b\uff08\u9045\u5ef6\u3059\u308b\uff09\u30eb\u30fc\u30bf\u30fc\u3092\u3064\u304f\u3063\u305f \u305d\u306e\u30d8\u30f3 […]","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/45663-2\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2023-01-03T05:13:26+00:00","article_modified_time":"2024-04-28T21:17:35+00:00","og_image":[{"url":"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d608237434c4406cfb2ef\/6-0.gif"}],"author":"\u65b0, \u97f5","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u65b0, \u97f5","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"3 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/45663-2\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/45663-2\/","name":"- Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2023-01-03T05:13:26+00:00","dateModified":"2024-04-28T21:17:35+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/4ba4019495123db3038fd0809e6959c9"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/45663-2\/"]}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/4ba4019495123db3038fd0809e6959c9","name":"\u65b0, \u97f5","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/d484b6c6e4ae82e8a9efea989e1d2af46d9b6ef128101e63b18f559fca0ae627?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/d484b6c6e4ae82e8a9efea989e1d2af46d9b6ef128101e63b18f559fca0ae627?s=96&d=mm&r=g","caption":"\u65b0, \u97f5"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/yunxin\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/45663-2\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/45663","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=45663"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/45663\/revisions"}],"predecessor-version":[{"id":83274,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/45663\/revisions\/83274"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=45663"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=45663"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=45663"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}