{"id":4173,"date":"2014-05-15T08:14:47","date_gmt":"2014-05-14T23:14:47","guid":{"rendered":"http:\/\/www.vincentina.net\/?p=4173"},"modified":"2020-02-23T16:23:58","modified_gmt":"2020-02-23T07:23:58","slug":"perl%e3%81%a7tcpechoserver","status":"publish","type":"post","link":"https:\/\/www.vincentina.net\/?p=4173","title":{"rendered":"Perl\u3067TCPEchoServer"},"content":{"rendered":"

TCP\/IP Socket in c\u3092Perl\u3067\u632f\u308a\u8fd4\u308b\u30b7\u30ea\u30fc\u30ba\u306e\u7b2c2\u5f3e\u3067\u3059\u3002<\/p>\n

\u3046\u307e\u304f\u8aac\u660e\u306f\u3067\u304d\u306a\u3044\u3067\u3059\u304c\u3001EchoClient\u3088\u308a\u3082EchoServer\u306e\u65b9\u306e\u65b9\u304c\u8a66\u884c\u932f\u8aa4\u304c\u591a\u304b\u3063\u305f\u306a\u3041\u3002
\n\u30fb\u30fb\u30fb\u611f\u60f3\u7d42\u308f\u308a\u30fb\u30fb\u30fb<\/p>\n

\u3063\u3066\u3001\u305d\u308c\u3060\u3068\u308f\u3056\u308f\u3056\u5916\u306b\u51fa\u3057\u3066\u3044\u308b\u65e5\u8a18\u306e\u610f\u5473\u3088\u3046\u306a\u6c17\u3082\u3059\u308b\u3051\u3069\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u4e2d\u3067\u30b3\u30e1\u30f3\u30c8\u3092\u591a\u304f\u66f8\u3044\u3066\u3044\u308b\u306e\u3067\u3001\u305d\u308c\u3067\u3088\u3057\u3068\u3057\u3088\u3046\u3067\u306f\u306a\u3044\u304b\u3002<\/p>\n

\u6700\u8fd1\u6c17\u306b\u306a\u308b\u4e8b\u3082\u3042\u3063\u3066\u3001\u4e3b\u306b\u30b5\u30fc\u30d0\u30fc\u306b\u3064\u3044\u3066\u306e\u691c\u8a3c\u3092\u66f8\u3044\u3066\u3044\u305f\u6642\u306f\u3001\u3053\u30fc\u3067\u3082\u306a\u3044\u3042\u30fc\u3067\u3082\u306a\u3044\u3063\u3066\u98a8\u306b\u5931\u6557\u4f8b\u3082\u8f09\u305b\u3066\u3044\u305f\u306e\u3060\u3051\u3069\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5834\u5408\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u308a\u3001\u5b9f\u884c\u6642\u306b\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u3068\u304d\u306b\u3082\u3001\u3059\u3050\u306b\u6cbb\u3057\u3066\u6b21\u306b\u9032\u3093\u3067\u3057\u307e\u3046\u306e\u3067\u3001\u306a\u304b\u306a\u304b\u4ee5\u524d\u306e\u65e5\u8a18\u306e\u3088\u3046\u306b\u3001\u3053\u30fc\u3067\u3082\u306a\u3044\u3042\u30fc\u3067\u3082\u306a\u3044\u3068\u3044\u3046\u90e8\u5206\u304c\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\u3067\u304d\u3066\u3044\u306a\u3044\u306e\u306a\u3002<\/p>\n

\u81ea\u5206\u306e\u982d\u306b\u306f\u6b8b\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u305d\u308c\u307b\u3069\u6c17\u306b\u3057\u306a\u304f\u3066\u3082\u3044\u3044\u3093\u3060\u3051\u3069\u306a\u3001HowTo\u30b5\u30a4\u30c8\u3067\u3082\u306a\u3044\u3057\u306a\u3041\u3002<\/p>\n

\u3061\u3087\u3063\u3068\u8a71\u304c\u9038\u308c\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u304c\u3001\u305d\u3093\u306a\u60a9\u307f\u3082\u3042\u308b\u8a33\u3067\u3059\u3002<\/p>\n

\u305d\u30fc\u3059\u3000TCPEchoServer.pl<\/p>\n

#TCPEcho\u30b5\u30fc\u30d0\u30fc\u30d7\u30ed\u30b0\u30e9\u30e0\r\n#!\/usr\/bin\/perl\r\n\r\nuse strict;\r\nuse warnings;\r\nuse Socket;\r\nuse IO::Handle;\r\n\r\n#\u30ad\u30e5\u30fc\u306e\u6700\u5927\u6570\r\nmy $MAXPENDING = 4;\r\n\r\n#\u5f15\u6570\u306e\u6570\u3092\u30c1\u30a7\u30c3\u30af\r\nif($#ARGV != 0)\r\n{\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 print \"Usage : Program <Server Port>\\n\";\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 exit(1);\r\n}\r\n\r\n#\u30dd\u30fc\u30c8\u756a\u53f7\u3092\u6307\u5b9a\r\nmy $port = $ARGV[0];\r\n\r\n#TCP\u30bd\u30b1\u30c3\u30c8\u751f\u6210\r\nsocket(SOCKET, PF_INET, SOCK_STREAM, 0) or die \"Socket failed $!\\n\";\r\n\r\n#\u30a2\u30c9\u30ec\u30b9\u69cb\u9020\u4f53\u3092\u4f5c\u6210\r\n#\u30dd\u30fc\u30c8\u3068\u30a2\u30c9\u30ec\u30b9\u3092\u30d1\u30c3\u30af\r\nmy $sock_addr = pack_sockaddr_in($port, INADDR_ANY);\r\n\r\n#\u30d0\u30a4\u30f3\u30c9\r\nbind(SOCKET, $sock_addr) or die \"bind failed $!\\n\";\r\n\r\n#\u308a\u3063\u3059\u3093\r\nlisten(SOCKET, $MAXPENDING) or die \"listen failed $!\\n\";\r\n\r\nwhile(1)\r\n{\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 #\u63a5\u7d9a\u8981\u6c42\u5f85\u3061\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 my $cldata = accept(CLIENT, SOCKET) or die \"accept failed $!\\n\";\r\n\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 #\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u60c5\u5831\u3092\u53d6\u5f97\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 my $client_addr = unpack_sockaddr_in($cldata);\r\n\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 #aton\u306e\u9006\u3059\u306a\u308f\u3061\u30d0\u30a4\u30ca\u30ea\u304b\u3089\u5909\u63db\u3002\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 my $client_iaddr = inet_ntoa($client_addr);\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 print \"Handling client $client_iaddr\\n\";\r\n\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 #while\u5185\u3067\u4f7f\u3046\u5909\u6570\u3002\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 my $Buf;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 my $messages;\r\n\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 #\u30aa\u30fc\u30c8\u30d5\u30e9\u30c3\u30b7\u30e5\u306f\u4eca\u56de\u3044\u3089\u306a\u3044\u3002\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 #\u306e\u3061\u306e\u3061\u306e\u305f\u3081\u306b\u4e00\u5fdc\u7f6e\u3044\u3066\u304a\u3053\u3046\u3002\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 #SOCKET->autoflush;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 #CLIENT->autoflush;\r\n\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 #\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u3068\u308a\u51fa\u529b\u3059\u308b\u3002\r\n        #forearch\u3067\u3082\u3044\u3044\u3002\u30cf\u30c3\u30b7\u30e5\u30ad\u30fc\u3092\u4f7f\u3046\u3068\u304d\u3053\u306e\u8fba\u304c\u3081\u3093\u3069\u304f\u3055\u305d\u3002\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 while($Buf=<CLIENT>)\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 {\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 my $messages = $Buf;\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 print CLIENT \"$messages\";\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 #\u8aad\u307f\u8fbc\u307f\u7d42\u4e86\u3092\u5ba3\u8a00\uff1d\uff10\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 shutdown(CLIENT, 0);\r\n\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 #\u30bd\u30b1\u30c3\u30c8\u3092\u9589\u3058\u308b\u3002\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 close(CLIENT);\r\n}\r\n\r\nexit;<\/pre>\n
\u5b9f\u884c\u7d50\u679c\u3000\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074<\/p>\n
# perl TCPEchoClient.pl 192.168.24.61 \u304a\u3089\u304a\u3089 500\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 [\/root\/perl]\r\nRecvMessage:\u304a\u3089\u304a\u3089\r\n# perl TCPEchoClient.pl 192.168.24.61 \u3080\u3060\u3080\u3060 500\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 [\/root\/perl]\r\nRecvMessage:\u3080\u3060\u3080\u3060<\/pre>\n
\u5b9f\u884c\u7d50\u679c\u3000\u30b5\u30fc\u30d0\u30fc\u5074<\/p>\n
# perl TCPEchoServer.pl 500\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 [\/root\/perl]\r\nHandling client 192.168.24.63\r\nHandling client 192.168.24.63<\/pre>\n
 <\/p>\n
\u53c2\u8003\u30b5\u30a4\u30c8<\/p>\n
Perldoc.jp<\/a><\/p>\n
\u53c2\u8003\u6587\u732e<\/p>\n
TCP\/IP\u30bd\u30b1\u30c3\u30c8\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0C\u8a00\u8a9e\u7de8
\n\u5171\u8457\uff1aMichael J.Donahoo\/Kenneth L. calvert
\n\u8a33\uff1a\u5c0f\u9ad8\u77e5\u5b8f<\/p>\n
 <\/p>\n
        
Tweet<\/a><\/div><\/div>\n
\n","protected":false},"excerpt":{"rendered":"
TCP\/IP Socket in c\u3092Perl\u3067\u632f\u308a\u8fd4\u308b\u30b7\u30ea\u30fc\u30ba\u306e\u7b2c2\u5f3e\u3067\u3059\u3002 \u3046\u307e\u304f\u8aac\u660e\u306f\u3067\u304d\u306a\u3044\u3067\u3059\u304c\u3001EchoClient\u3088\u308a\u3082EchoServer\u306e\u65b9\u306e\u65b9\u304c\u8a66\u884c\u932f\u8aa4\u304c\u591a\u304b\u3063\u305f\u306a\u3041\u3002 \u30fb\u30fb\u30fb\u611f\u60f3\u7d42\u308f\u308a\u30fb\u30fb\u30fb \u3063\u3066\u3001 … “Perl\u3067TCPEchoServer” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[106],"tags":[],"class_list":["post-4173","post","type-post","status-publish","format-standard","hentry","category-programming"],"_links":{"self":[{"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/posts\/4173","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4173"}],"version-history":[{"count":0,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/posts\/4173\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vincentina.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4173"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4173"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}