{"id":3501,"date":"2017-08-06T08:33:46","date_gmt":"2017-08-06T00:33:46","guid":{"rendered":"https:\/\/ixyzero.com\/blog\/?p=3501"},"modified":"2017-08-06T08:33:46","modified_gmt":"2017-08-06T00:33:46","slug":"linux%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8b%e4%b8%ad%e7%9a%84%e5%87%a0%e7%a7%8d%e7%ae%80%e5%8d%95%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%a8%a1%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/3501.html","title":{"rendered":"Linux\u7f51\u7edc\u7f16\u7a0b\u4e2d\u7684\u51e0\u79cd\u7b80\u5355\u670d\u52a1\u5668\u6a21\u578b"},"content":{"rendered":"<p>=Start=<\/p>\n<h4 id=\"id-\u6a21\u677f-\u7f18\u7531\uff1a\">\u7f18\u7531\uff1a<\/h4>\n<p>\u4e4b\u524d\u53ea\u662f\u5728\u770b\u4e66\u7684\u65f6\u5019\u7b80\u5355\u4e86\u89e3\u8fc7\u51e0\u79cd\u7f51\u7edc\u670d\u52a1\u5668\u5e76\u53d1\u7f16\u7a0b\u6a21\u578b\uff0c\u4f46\u662f\u7ec6\u8282\u4ec0\u4e48\u7684\u4e5f\u4e0d\u6e05\u695a\uff0c\u6700\u8fd1\u5728\u78b0\u5230\u76f8\u5173\u95ee\u9898\u7684\u65f6\u5019\u60f3\u7740\u518d\u53bb\u4e86\u89e3\u3001\u5b66\u4e60\u4e00\u4e0b\u3002\u63a5\u4e0b\u6765\uff0c\u4e3b\u8981\u4ee5\u5728\u300c<a href=\"http:\/\/cpper.info\/2016\/07\/30\/Concurrency-Network-Server-Models.html\">\u5e38\u89c1\u7f51\u7edc\u670d\u52a1\u5668\u5e76\u53d1\u7f16\u7a0b\u6a21\u578b<\/a>\u300d\u770b\u5230\u7684\u5185\u5bb9\u4e3a\u5f15\u5b50\u8fdb\u884c\u5b66\u4e60\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/i.imgur.com\/kO0Bme9.jpg\" \/><\/p>\n<h4 id=\"id-\u6a21\u677f-\u6b63\u6587\uff1a\">\u6b63\u6587\uff1a<\/h4>\n<h5 id=\"id-\u6a21\u677f-\u53c2\u8003\u89e3\u7b54\uff1a\">\u53c2\u8003\u89e3\u7b54\uff1a<\/h5>\n<pre class=\"lang:default decode:true \">\/*\r\n\u5faa\u73af\u5f0f\/\u8fed\u4ee3\u5f0f\u670d\u52a1\u5668\uff1aUDP\u670d\u52a1\u5668\r\nUDP\u5faa\u73af\u670d\u52a1\u5668\u7684\u5b9e\u73b0\u975e\u5e38\u7b80\u5355\uff1aUDP\u670d\u52a1\u5668\u6bcf\u6b21\u4ece\u5957\u63a5\u5b57\u4e0a\u8bfb\u53d6\u4e00\u4e2a\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\uff0c\u5904\u7406\uff0c\u7136\u540e\u5c06\u7ed3\u679c\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002\u56e0\u4e3aUDP\u662f\u975e\u9762\u5411\u8fde\u63a5\u7684\uff0c\u6ca1\u6709\u4e00\u4e2a\u5ba2\u6237\u7aef\u53ef\u4ee5\u8001\u662f\u5360\u4f4f\u670d\u52a1\u7aef\u3002\u53ea\u8981\u5904\u7406\u8fc7\u7a0b\u4e0d\u662f\u6b7b\u5faa\u73af\uff0c\u670d\u52a1\u5668\u5bf9\u4e8e\u6bcf\u4e00\u4e2a\u5ba2\u6237\u673a\u7684\u8bf7\u6c42\u603b\u662f\u80fd\u591f\u6ee1\u8db3\u3002\u53ef\u4ee5\u7528\u4e0b\u9762\u7684\u7b97\u6cd5\u6765\u5b9e\u73b0\uff1a\r\n*\/\r\nsocket();\r\nbind();\r\nwhile(1) {\r\n\trecvfrom();\r\n\tprocess();\r\n\tsendto();\r\n}\r\n\r\n\/*\r\n\u5faa\u73af\u5f0f\/\u8fed\u4ee3\u5f0f\u670d\u52a1\u5668\uff1aTCP\u670d\u52a1\u5668\r\nTCP\u5faa\u73af\u670d\u52a1\u5668\u7684\u5b9e\u73b0\u4e5f\u4e0d\u96be\uff1aTCP\u670d\u52a1\u5668\u63a5\u53d7\u4e00\u4e2a\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\uff0c\u7136\u540e\u5904\u7406\uff0c\u5b8c\u6210\u4e86\u8fd9\u4e2a\u5ba2\u6237\u7684\u6240\u6709\u8bf7\u6c42\u540e\uff0c\u65ad\u5f00\u8fde\u63a5\u3002\r\nTCP\u5faa\u73af\u670d\u52a1\u5668\u4e00\u6b21\u53ea\u80fd\u5904\u7406\u4e00\u4e2a\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\uff0c\u53ea\u6709\u5728\u8fd9\u4e2a\u5ba2\u6237\u7684\u6240\u6709\u8bf7\u6c42\u90fd\u6ee1\u8db3\u540e\uff0c\u670d\u52a1\u5668\u624d\u53ef\u4ee5\u7ee7\u7eed\u540e\u9762\u7684\u8bf7\u6c42\u3002\u8fd9\u6837\u5982\u679c\u6709\u4e00\u4e2a\u5ba2\u6237\u7aef\u5360\u4f4f\u670d\u52a1\u5668\u4e0d\u653e\u65f6\uff0c\u5176\u5b83\u7684\u5ba2\u6237\u673a\u90fd\u4e0d\u80fd\u5de5\u4f5c\u4e86\u3002\u56e0\u6b64\uff0cTCP\u670d\u52a1\u5668\u4e00\u822c\u5f88\u5c11\u7528\u5faa\u73af\u670d\u52a1\u5668\u6a21\u578b\u7684\u3002\r\n*\/\r\nsocket();\r\nbind();\r\nlisten();\r\nwhile(1) {\r\n\taccept();\r\n\twhile(1) {\r\n\t\tread();\r\n\t\tprocess();\r\n\t\twrite();\r\n\t}\r\n\tclose();\r\n}\r\n\r\n\/*\r\n\u5e76\u53d1\u670d\u52a1\u5668\uff1aTCP\u670d\u52a1\u5668\r\n\u4e3a\u4e86\u5f25\u8865\u5faa\u73afTCP\u670d\u52a1\u5668\u7684\u7f3a\u9677\uff0c\u4eba\u4eec\u53c8\u60f3\u51fa\u4e86\u5e76\u53d1\u670d\u52a1\u5668\u7684\u6a21\u578b\u3002\u5e76\u53d1\u670d\u52a1\u5668\u7684\u601d\u60f3\u662f\u6bcf\u4e00\u4e2a\u5ba2\u6237\u673a\u7684\u8bf7\u6c42\u5e76\u4e0d\u7531\u670d\u52a1\u5668\u76f4\u63a5\u5904\u7406\uff0c\u800c\u662f\u670d\u52a1\u5668\u521b\u5efa\u4e00\u4e2a\u5b50\u8fdb\u7a0b\u6765\u5904\u7406\u3002\r\nTCP\u5e76\u53d1\u670d\u52a1\u5668\u53ef\u4ee5\u89e3\u51b3TCP\u5faa\u73af\u670d\u52a1\u5668\u5ba2\u6237\u673a\u72ec\u5360\u670d\u52a1\u5668\u7684\u60c5\u51b5\u3002\u4e0d\u8fc7\u540c\u65f6\u4e5f\u5e26\u6765\u4e86\u4e00\u4e2a\u4e0d\u5c0f\u7684\u95ee\u9898\u2014\u2014\u4e3a\u4e86\u54cd\u5e94\u5ba2\u6237\u673a\u7684\u8bf7\u6c42\uff0c\u670d\u52a1\u5668\u8981\u521b\u5efa\u5b50\u8fdb\u7a0b\u6765\u5904\u7406\u3002\u800c\u521b\u5efa\u5b50\u8fdb\u7a0b\u662f\u4e00\u79cd\u975e\u5e38\u6d88\u8017\u8d44\u6e90\u7684\u64cd\u4f5c\u3002\r\n*\/\r\nsocket();\r\nbind();\r\nlisten();\r\nwhile(1) {\r\n\taccept();\r\n\tif(fork()==0) {\r\n\t\twhile(1) {\r\n\t\t\tread();\r\n\t\t\tprocess();\r\n\t\t\twrite();\r\n\t\t}\r\n\t\tclose();\r\n\t\texit();\r\n\t}\r\n\tclose();\r\n}\r\n\r\n\/*\r\n\u5e76\u53d1\u670d\u52a1\u5668\uff1a\u591a\u8def\u590d\u7528I\/O\r\n\u4e3a\u4e86\u89e3\u51b3\u521b\u5efa\u5b50\u8fdb\u7a0b\u5e26\u6765\u7684\u7cfb\u7edf\u8d44\u6e90\u6d88\u8017\uff0c\u4eba\u4eec\u53c8\u60f3\u51fa\u4e86\u591a\u8def\u590d\u7528I\/O\u6a21\u578b\u3002\r\n\u5728\u6211\u4eec\u8c03\u7528select()\u65f6\u8fdb\u7a0b\u4f1a\u4e00\u76f4\u963b\u585e\u76f4\u5230\u4ee5\u4e0b\u7684\u4e00\u79cd\u60c5\u51b5\u53d1\u751f\uff1a1)\u6709\u6587\u4ef6\u53ef\u4ee5\u8bfb\uff1b2)\u6709\u6587\u4ef6\u53ef\u4ee5\u5199\uff1b3)\u8d85\u65f6\u6240\u8bbe\u7f6e\u7684\u65f6\u95f4\u5230\u3002\r\n*\/\r\nsocket();\r\nbind();\r\nlisten();\r\nwhile(1) {\r\n\t\u8bbe\u7f6e\u76d1\u542c\u8bfb\u5199\u6587\u4ef6\u63cf\u8ff0\u7b26(FD_*);\r\n\t\u8c03\u7528select();\r\n\t\u5982\u679c\u662flisten\u5957\u63a5\u5b57\u5c31\u7eea\uff0c\u8bf4\u660e\u4e00\u4e2a\u65b0\u7684\u8fde\u63a5\u8bf7\u6c42\u5efa\u7acb {\r\n\t\t\u5efa\u7acb\u8fde\u63a5(accept);\r\n\t\t\u52a0\u5165\u5230\u76d1\u542c\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e2d\u53bb;\r\n\t}\r\n\t\u5426\u5219\u8bf4\u660e\u662f\u4e00\u4e2a\u5df2\u7ecf\u8fde\u63a5\u8fc7\u7684\u63cf\u8ff0\u7b26 {\r\n\t\t\u8fdb\u884c\u64cd\u4f5c(read\u6216\u8005write);\r\n\t}\r\n}\r\n\r\n\/* TCP\u5e76\u53d1\u670d\u52a1\u5668\u6a21\u578b I\/O\u591a\u8def\u590d\u7528 *\/  \r\n\r\n\/* \u670d\u52a1\u5668\u4e3b\u8fdb\u7a0b *\/\r\nsocket();\r\nbind();\r\nlisten();      \r\npthread_create(); \/\/\u521b\u5efa\u5ba2\u6237\u7aef\u8fde\u63a5\u7ebf\u7a0b\u548c\u4e1a\u52a1\u5904\u7406\u7ebf\u7a0b\r\n\r\n\/* \u8fde\u63a5\u5904\u7406\u7ebf\u7a0b *\/\r\nwhile(1)\r\n{\r\n\taccept(); \/\/\u63a5\u53d7\u4e00\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\r\n\tstore();\/\/\u5b58\u50a8\u5ba2\u6237\u7aef\u5957\u63a5\u5b57\u63cf\u8ff0\u7b26\u5230\u4e00\u4e2a\u516c\u5171\u96c6\u5408\u4e2d\r\n}\r\n\r\n\/* \u4e1a\u52a1\u5904\u7406\u7ebf\u7a0b *\/\r\nwhile(1)\r\n{\r\n\tget(); \/\/\u53d6\u51fa\u53ef\u7528\u7684\u5ba2\u6237\u7aef\u5957\u63a5\u5b57\u63cf\u8ff0\u7b26\r\n\tselect(); \/\/\u8bbe\u7f6e\u76d1\u542c\u8bfb\u5199\u6587\u4ef6\u63cf\u8ff0\u7b26\u96c6\u5408\r\n\trecv();\r\n\tprocess();\r\n\tsend();\r\n\tclose();\r\n}\r\n\r\npthread_join(); \/\/\u7b49\u5f85\u7ebf\u7a0b\u7ed3\u675f\r\nclose(); \/\/\u5173\u95ed\u670d\u52a1\u5668\u5957\u63a5\u5b57<\/pre>\n<h5 id=\"id-\u6a21\u677f-\u53c2\u8003\u94fe\u63a5\uff1a\">\u53c2\u8003\u94fe\u63a5\uff1a<\/h5>\n<p><span style=\"color: #ff0000;\"><strong>Linux\u7f51\u7edc\u7f16\u7a0b\uff1a9. \u670d\u52a1\u5668\u6a21\u578b<\/strong><\/span><br \/>\n<a href=\"http:\/\/read.pudn.com\/downloads128\/ebook\/546205\/Linux%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B\/09.pdf\">http:\/\/read.pudn.com\/downloads128\/ebook\/546205\/Linux%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B\/09.pdf<\/a><\/p>\n<p><strong>Linux\u7f51\u7edc\u7f16\u7a0b\u670d\u52a1\u5668\u6a21\u578b\u9009\u62e9\u4e4b\u5faa\u73af\u670d\u52a1\u5668<\/strong><br \/>\n<a href=\"http:\/\/www.cnblogs.com\/lizhenghn\/p\/3617608.html\">http:\/\/www.cnblogs.com\/lizhenghn\/p\/3617608.html<\/a><\/p>\n<p><span style=\"color: #ff0000;\"><strong>Linux\u7f51\u7edc\u7f16\u7a0b\u670d\u52a1\u5668\u6a21\u578b\u9009\u62e9\u4e4bIO\u590d\u7528\u5faa\u73af\u5e76\u53d1\u670d\u52a1\u5668<\/strong><\/span><br \/>\n<a href=\"http:\/\/www.cnblogs.com\/lizhenghn\/p\/3619091.html\">http:\/\/www.cnblogs.com\/lizhenghn\/p\/3619091.html<\/a><\/p>\n<p><span style=\"color: #ff0000;\"><strong>\u5e38\u89c1\u7f51\u7edc\u670d\u52a1\u5668\u5e76\u53d1\u7f16\u7a0b\u6a21\u578b<\/strong><\/span><br \/>\n<a href=\"http:\/\/cpper.info\/2016\/07\/30\/Concurrency-Network-Server-Models.html\">http:\/\/cpper.info\/2016\/07\/30\/Concurrency-Network-Server-Models.html<\/a><\/p>\n<p><span style=\"color: #ff0000;\">\u4f7f\u7528\u4e8b\u4ef6\u9a71\u52a8\u6a21\u578b\u5b9e\u73b0\u9ad8\u6548\u7a33\u5b9a\u7684\u7f51\u7edc\u670d\u52a1\u5668\u7a0b\u5e8f<\/span><br \/>\n<a href=\"https:\/\/www.ibm.com\/developerworks\/cn\/linux\/l-cn-edntwk\/\">https:\/\/www.ibm.com\/developerworks\/cn\/linux\/l-cn-edntwk\/<\/a><\/p>\n<p>\u4f7f\u7528\u5f02\u6b65 I\/O \u5927\u5927\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd<br \/>\n<a href=\"https:\/\/www.ibm.com\/developerworks\/cn\/linux\/l-async\/\">https:\/\/www.ibm.com\/developerworks\/cn\/linux\/l-async\/<\/a><\/p>\n<p>=END=<\/p>\n","protected":false},"excerpt":{"rendered":"<p>=Start= \u7f18\u7531\uff1a \u4e4b\u524d\u53ea\u662f\u5728\u770b\u4e66\u7684\u65f6\u5019\u7b80\u5355\u4e86\u89e3\u8fc7\u51e0\u79cd\u7f51\u7edc\u670d\u52a1\u5668\u5e76\u53d1\u7f16\u7a0b\u6a21\u578b\uff0c\u4f46\u662f\u7ec6\u8282\u4ec0\u4e48\u7684\u4e5f\u4e0d\u6e05\u695a\uff0c\u6700\u8fd1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,11,7],"tags":[100,30,901],"class_list":["post-3501","post","type-post","status-publish","format-standard","hentry","category-knowledgebase-2","category-linux","category-programing","tag-c","tag-linux","tag-901"],"views":4164,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/3501","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=3501"}],"version-history":[{"count":1,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/3501\/revisions"}],"predecessor-version":[{"id":3502,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/3501\/revisions\/3502"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=3501"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=3501"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=3501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}