{"id":44203,"date":"2023-08-11T03:51:08","date_gmt":"2023-03-25T05:22:55","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%b0%9d%e8%af%95%e7%94%a8golang%e7%bc%96%e5%86%99%e4%ba%86%e4%b8%80%e4%b8%aa%e9%80%9a%e8%bf%87unix%e5%9f%9f%e5%a5%97%e6%8e%a5%e5%ad%97%e8%bf%9b%e8%a1%8c%e9%80%9a%e4%bf%a1%e7%9a%84%e5%9b%9e\/"},"modified":"2024-04-30T18:00:45","modified_gmt":"2024-04-30T10:00:45","slug":"%e6%88%91%e5%b0%9d%e8%af%95%e7%94%a8golang%e7%bc%96%e5%86%99%e4%ba%86%e4%b8%80%e4%b8%aa%e9%80%9a%e8%bf%87unix%e5%9f%9f%e5%a5%97%e6%8e%a5%e5%ad%97%e8%bf%9b%e8%a1%8c%e9%80%9a%e4%bf%a1%e7%9a%84%e5%9b%9e","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%b0%9d%e8%af%95%e7%94%a8golang%e7%bc%96%e5%86%99%e4%ba%86%e4%b8%80%e4%b8%aa%e9%80%9a%e8%bf%87unix%e5%9f%9f%e5%a5%97%e6%8e%a5%e5%ad%97%e8%bf%9b%e8%a1%8c%e9%80%9a%e4%bf%a1%e7%9a%84%e5%9b%9e\/","title":{"rendered":"\u6211\u5c1d\u8bd5\u7528Golang\u7f16\u5199\u4e86\u4e00\u4e2a\u901a\u8fc7Unix\u57df\u5957\u63a5\u5b57\u8fdb\u884c\u901a\u4fe1\u7684\u56de\u663e\u670d\u52a1\u5668"},"content":{"rendered":"<p>\u6211\u60f3\u8981\u4e00\u4e2a\u53ef\u4ee5\u5728ssh-agent\u4e2d\u4fdd\u5b58\u5bc6\u94a5\u7684\u7a0b\u5e8f\uff0c\u4e3a\u4e86\u7ec3\u4e60\uff0c\u6211\u9996\u5148\u5199\u4e86\u4e00\u4e2aecho\u670d\u52a1\u5668\u3002\u6211\u9009\u62e9\u4f7f\u7528golang\u7684\u539f\u56e0\u5982\u4e0b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">bash\u304b\u3089\u3067\u306funix domain socket\u3092\u76f4\u63a5\u6271\u3048\u306a\u3044\u3088\u3046\u306a\u306e\u3067\u8ae6\u3081\u305f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">OSX, Linux\u3067\u52d5\u3044\u3066\u6b32\u3057\u3044<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30af\u30ed\u30b9\u30b3\u30f3\u30d1\u30a4\u30eb\u304c\u7c21\u5358(\u3089\u3057\u3044)<\/ul>\n<p>\u56e0\u4e3a\u6628\u5929\u662f\u6211\u7b2c\u4e00\u6b21\u5199golang\uff0c\u6240\u4ee5\u975e\u5e38\u6b22\u8fce\u5927\u5bb6\u63d0\u4f9b\u610f\u89c1\uff0c\u76f8\u53cd\uff0c\u6211\u66f4\u5e0c\u671b\u80fd\u591f\u5f97\u5230\u5404\u79cd\u6307\u6b63\u3002<\/p>\n<h1>\u521b\u5efaUNIX\u57df\u5957\u63a5\u5b57<\/h1>\n<p>\u56e0\u4e3a\u7c7b\u4f3c\u4e8essh-agent\u7684\u60c5\u51b5\uff0c\u6211\u4eec\u4f1a\u5728\u542f\u52a8\u65f6\u81ea\u52a8\u914d\u7f6e\u5957\u63a5\u5b57\u6587\u4ef6\uff0c\u800c\u4e0d\u662f\u4ece\u5916\u90e8\u6307\u5b9a\u3002\u5728\u5bfb\u627e\u7c7b\u4f3c\u4e8emktemp -d\u7684\u529f\u80fd\u65f6\uff0c\u6211\u53d1\u73b0\u4e86ioutil.TempDir\u51fd\u6570\u5e76\u8fdb\u884c\u4e86\u4f7f\u7528\u3002\u53e6\u5916\uff0c\u4e3a\u4e86\u9632\u6b62\u88ab\u975e\u6267\u884c\u8005\u8bbf\u95ee\uff0c\u6211\u4eec\u8fd8\u4fee\u6539\u4e86\u8bbf\u95ee\u6743\u9650\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">tempDir<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">ioutil<\/span><span class=\"o\">.<\/span><span class=\"n\">TempDir<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"golang-sample-echo-server.\"<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"n\">pid<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">strconv<\/span><span class=\"o\">.<\/span><span class=\"n\">Itoa<\/span><span class=\"p\">(<\/span><span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Getpid<\/span><span class=\"p\">())<\/span>\r\n  <span class=\"n\">socket<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">tempDir<\/span> <span class=\"o\">+<\/span> <span class=\"s\">\"\/server.\"<\/span> <span class=\"o\">+<\/span> <span class=\"n\">pid<\/span>\r\n  <span class=\"n\">listener<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">net<\/span><span class=\"o\">.<\/span><span class=\"n\">Listen<\/span><span class=\"p\">(<\/span><span class=\"s\">\"unix\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">socket<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error: %v<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">return<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Chmod<\/span><span class=\"p\">(<\/span><span class=\"n\">socket<\/span><span class=\"p\">,<\/span> <span class=\"m\">0700<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error: %v<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">return<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u5904\u7406\u5185\u5bb9<\/h2>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4f7f\u7528ioutil.TempDir()\u521b\u5efa\u4e34\u65f6\u76ee\u5f55<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u83b7\u53d6pid\u5e76\u5728\u521b\u5efa\u7684\u4e34\u65f6\u76ee\u5f55\u4e2d\u521b\u5efasocket\u6587\u4ef6<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5c06socket\u6587\u4ef6\u7684\u6743\u9650\u9650\u5236\u4e3a\u4ec5\u6240\u6709\u8005\u53ef\u8bbf\u95ee<\/ol>\n<h1>\u7b49\u5f85\u63a5\u6536<\/h1>\n<p>\u6211\u5728\u4e3b\u51fd\u6570\u4e2d\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570\u6765\u63a5\u6536\u5728\u4e0a\u9762\u521b\u5efa\u7684\u76d1\u542c\u5668\uff0c\u5e76\u8fdb\u884c\u8c03\u7528\u3002<br \/>\n\u6211\u7684\u4ee3\u7801\u662f\u53c2\u8003\u4e86\u300a\u5728Go\u4e2d\u4f7f\u7528Unix\u5957\u63a5\u5b57\u300b\uff08\u5806\u6808\u6ea2\u51fa\uff09\u7684\u65b9\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">server<\/span><span class=\"p\">(<\/span><span class=\"n\">listener<\/span> <span class=\"n\">net<\/span><span class=\"o\">.<\/span><span class=\"n\">Listener<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">for<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">fd<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">listener<\/span><span class=\"o\">.<\/span><span class=\"n\">Accept<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"k\">return<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">go<\/span> <span class=\"n\">process<\/span><span class=\"p\">(<\/span><span class=\"n\">fd<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"k\">func<\/span> <span class=\"n\">process<\/span><span class=\"p\">(<\/span><span class=\"n\">fd<\/span> <span class=\"n\">net<\/span><span class=\"o\">.<\/span><span class=\"n\">Conn<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">for<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">buf<\/span> <span class=\"o\">:=<\/span> <span class=\"nb\">make<\/span><span class=\"p\">([]<\/span><span class=\"kt\">byte<\/span><span class=\"p\">,<\/span> <span class=\"m\">512<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">nr<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">fd<\/span><span class=\"o\">.<\/span><span class=\"n\">Read<\/span><span class=\"p\">(<\/span><span class=\"n\">buf<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"k\">break<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"n\">data<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">buf<\/span><span class=\"p\">[<\/span><span class=\"m\">0<\/span><span class=\"o\">:<\/span><span class=\"n\">nr<\/span><span class=\"p\">]<\/span>\r\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Recieved: %v\"<\/span><span class=\"p\">,<\/span> <span class=\"kt\">string<\/span><span class=\"p\">(<\/span><span class=\"n\">data<\/span><span class=\"p\">));<\/span>\r\n    <span class=\"n\">_<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">=<\/span> <span class=\"n\">fd<\/span><span class=\"o\">.<\/span><span class=\"n\">Write<\/span><span class=\"p\">(<\/span><span class=\"n\">data<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error: %v<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n      <span class=\"k\">break<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"n\">fd<\/span><span class=\"o\">.<\/span><span class=\"n\">Close<\/span><span class=\"p\">()<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u5904\u7406\u5185\u5bb9<\/h2>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>listener.Accept()\u7528\u4e8e\u7b49\u5f85\u8f93\u5165\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5f53\u6709\u8f93\u5165\u65f6\uff0c\u8c03\u7528process()\u51fd\u6570\uff0c\u540c\u65f6\u8bfb\u53d6\u5230\u56fa\u5b9a\u5927\u5c0f\u7684\u7f13\u51b2\u533a\u5e76\u8fdb\u884c\u56de\u663e\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5f53\u6ca1\u6709\u53ef\u8bfb\u53d6\u7684\u6570\u636e\u65f6\uff0c\u5173\u95edfd\u5e76\u7ed3\u675f\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u7531\u4e8e\u5728goroutine\u4e2d\u8c03\u7528process()\u51fd\u6570\uff0c\u56e0\u6b64\u4e0d\u9700\u8981\u7b49\u5f85\u5904\u7406\u8fd4\u56de\u7ed3\u679c\u5c31\u53ef\u4ee5\u518d\u6b21\u901a\u8fc7listener.Accept()\u7b49\u5f85\u8f93\u5165\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5982\u679clistener\u88ab\u5173\u95ed\uff0clistener.Accept()\u5c06\u8fd4\u56de\u9519\u8bef\uff0c\u4ece\u800c\u9000\u51fafor\u5faa\u73af\u3002<\/ol>\n<h1>\u7d50\u675f\u6642\u7684\u6e05\u7406<\/h1>\n<p>\u56e0\u4e3a\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\u4f1a\u7559\u4e0b\u4e00\u4e9b\u5783\u573e\uff0c\u6240\u4ee5\u6211\u4eec\u4f1a\u9002\u65f6\u8fdb\u884c\u6e05\u7406\u3002<\/p>\n<p>\u6211\u53c2\u8003\u4e86\u4f7f\u7528Golang\u7f16\u5199\u7684Web\u5e94\u7528\u7a0b\u5e8f\u901a\u8fc7UNIX\u57df\u5957\u63a5\u5b57\u8fdb\u884c\u516c\u5f00\u7684\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">shutdown<\/span><span class=\"p\">(<\/span><span class=\"n\">listener<\/span> <span class=\"n\">net<\/span><span class=\"o\">.<\/span><span class=\"n\">Listener<\/span><span class=\"p\">,<\/span> <span class=\"n\">tempDir<\/span> <span class=\"kt\">string<\/span><span class=\"p\">,<\/span> <span class=\"nb\">close<\/span> <span class=\"k\">chan<\/span> <span class=\"kt\">int<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">c<\/span> <span class=\"o\">:=<\/span> <span class=\"nb\">make<\/span><span class=\"p\">(<\/span><span class=\"k\">chan<\/span> <span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Signal<\/span><span class=\"p\">,<\/span> <span class=\"m\">2<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"n\">signal<\/span><span class=\"o\">.<\/span><span class=\"n\">Notify<\/span><span class=\"p\">(<\/span><span class=\"n\">c<\/span><span class=\"p\">,<\/span> <span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Interrupt<\/span><span class=\"p\">,<\/span> <span class=\"n\">syscall<\/span><span class=\"o\">.<\/span><span class=\"n\">SIGTERM<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"k\">go<\/span> <span class=\"k\">func<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">interrupt<\/span> <span class=\"o\">:=<\/span> <span class=\"m\">0<\/span>\r\n    <span class=\"k\">for<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"n\">s<\/span> <span class=\"o\">:=<\/span> <span class=\"o\">&lt;-<\/span><span class=\"n\">c<\/span>\r\n      <span class=\"k\">switch<\/span> <span class=\"n\">s<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"k\">case<\/span> <span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Interrupt<\/span><span class=\"o\">:<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">interrupt<\/span> <span class=\"o\">==<\/span> <span class=\"m\">0<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n          <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Interrupt...\"<\/span><span class=\"p\">)<\/span>\r\n          <span class=\"n\">interrupt<\/span><span class=\"o\">++<\/span>\r\n          <span class=\"k\">continue<\/span>\r\n        <span class=\"p\">}<\/span>\r\n      <span class=\"p\">}<\/span>\r\n      <span class=\"k\">break<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">listener<\/span><span class=\"o\">.<\/span><span class=\"n\">Close<\/span><span class=\"p\">();<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error: %v<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Remove<\/span><span class=\"p\">(<\/span><span class=\"n\">tempDir<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error: %v<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"nb\">close<\/span> <span class=\"o\">&lt;-<\/span> <span class=\"m\">1<\/span>\r\n  <span class=\"p\">}()<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u8fdb\u884c\u7684\u64cd\u4f5c<\/h2>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u521b\u5efa\u4e00\u4e2a\u7528\u4e8e\u7b49\u5f85\u4fe1\u53f7\u7684\u9891\u9053<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728goroutine\u4e2d\u8c03\u7528\u5904\u7406\u51fd\u6570\u4ee5\u54cd\u5e94\u4fe1\u53f7\u7684\u53d1\u751f\uff0c\u5e76\u5c06\u9891\u9053\u8bbe\u7f6e\u4e3a\u7b49\u5f85\u901a\u77e5\u72b6\u6001<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728\u4fe1\u53f7\u53d1\u751f\u65f6\uff0cgoroutine\u4f1a\u91cd\u65b0\u542f\u52a8\u6ce8\u518c\u7684\u5904\u7406\u8fc7\u7a0b<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5982\u679c\u662fCtrl+C\uff0c\u5219\u8bbe\u7f6e\u4e3a\u7b2c\u4e00\u6b21\u5ffd\u7565<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u8c03\u7528listener.Close()\u548c\u5220\u9664\u76ee\u5f55<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5728\u8c03\u7528\u8005\u7ed9\u5b9a\u7684\u9891\u9053\u4e0a\u901a\u77e5\u9000\u51fa<\/ol>\n<h1>\u6700\u540e\u7684\u4e3b\u51fd\u6570<\/h1>\n<p>\u53ef\u6784\u5efa\u7684\u4ee3\u7801\u5df2\u7ecf\u88ab\u63a8\u9001\u5230github\u4e0a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">SetFlags<\/span><span class=\"p\">(<\/span><span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Lshortfile<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"n\">tempDir<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">ioutil<\/span><span class=\"o\">.<\/span><span class=\"n\">TempDir<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"golang-sample-echo-server.\"<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"n\">pid<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">strconv<\/span><span class=\"o\">.<\/span><span class=\"n\">Itoa<\/span><span class=\"p\">(<\/span><span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Getpid<\/span><span class=\"p\">())<\/span>\r\n  <span class=\"n\">socket<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">tempDir<\/span> <span class=\"o\">+<\/span> <span class=\"s\">\"\/server.\"<\/span> <span class=\"o\">+<\/span> <span class=\"n\">pid<\/span>\r\n  <span class=\"n\">listener<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">net<\/span><span class=\"o\">.<\/span><span class=\"n\">Listen<\/span><span class=\"p\">(<\/span><span class=\"s\">\"unix\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">socket<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error: %v<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">return<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Chmod<\/span><span class=\"p\">(<\/span><span class=\"n\">socket<\/span><span class=\"p\">,<\/span> <span class=\"m\">0700<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error: %v<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">return<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"nb\">close<\/span> <span class=\"o\">:=<\/span> <span class=\"nb\">make<\/span><span class=\"p\">(<\/span><span class=\"k\">chan<\/span> <span class=\"kt\">int<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"n\">shutdown<\/span><span class=\"p\">(<\/span><span class=\"n\">listener<\/span><span class=\"p\">,<\/span> <span class=\"n\">tempDir<\/span><span class=\"p\">,<\/span> <span class=\"nb\">close<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"GOLANG_SAMPLE_SOCK=%v;export GOLANG_SAMPLE_SOCK;<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">socket<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"GOLANG_SAMPLE_PID=%v;export GOLANG_SAMPLE_PID;<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">pid<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"n\">server<\/span><span class=\"p\">(<\/span><span class=\"n\">listener<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"n\">_<\/span> <span class=\"o\">=<\/span> <span class=\"o\">&lt;-<\/span><span class=\"nb\">close<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<h2>\u5904\u7406\u5185\u5bb9<\/h2>\n<p>\u4ece\u521b\u5efaUnix\u57df\u5957\u63a5\u5b57\u5f00\u59cb\u7684\u7ee7\u7eed\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u521b\u5efa\u4e00\u4e2a\u7528\u4e8e\u4f20\u9012\u7ed9shutdown()\u51fd\u6570\u7684channel\uff0c\u8c03\u7528shutdown\u51fd\u6570<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u8f93\u51fa\u7528\u4e8e\u5ba2\u6237\u7aef\u8fde\u63a5\u7684socket\u548cpid<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5c06\u521b\u5efa\u7684listener\u4f20\u9012\u7ed9server()\u51fd\u6570\u5e76\u542f\u52a8<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u7b49\u5f85shutdown()\u51fd\u6570\u7684\u7ed3\u675f<\/ol>\n<\/li>\n<\/ol>\n<p>\u6267\u884c\u4e24\u6b21Ctrl+C\u5c06\u8c03\u7528shutdown()\u51fd\u6570\u4e2d\u7684listener.Close()<br \/>\nlistener.Close()\u5bfc\u81f4server()\u51fd\u6570\u4e2d\u7684listener.Accept()\u8fd4\u56de\u9519\u8bef<br \/>\n\u63a5\u6536listener.Accept()\u7684\u9519\u8bef\u5bfc\u81f4server()\u51fd\u6570\u7684\u5faa\u73af\u7ec8\u6b62<br \/>\n\u7b49\u5f85shutdown\u7684channel\u7ed3\u675f<\/p>\n<h1>\u786e\u8ba4\u52a8\u4f5c<\/h1>\n<pre class=\"post-pre\"><code>$ golang\/bin\/golang-sample-echo-server\r\nGOLANG_SAMPLE_SOCK=\/var\/folders\/ld\/92yggdj91l72jq205zr0l1540000gn\/T\/golang-sample-echo-server.660221887\/server.61435;export GOLANG_SAMPLE_SOCK;\r\nGOLANG_SAMPLE_PID=61435;export GOLANG_SAMPLE_PID;\r\nRecieved: sample echo server test\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>$ echo 'sample echo server test' | nc -U \/var\/folders\/ld\/92yggdj91l72jq205zr0l1540000gn\/T\/golang-sample-echo-server.660221887\/server.61435\r\nsample echo server test\r\n<\/code><\/pre>\n<h1>\u5269\u4f59\u4efb\u52a1<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u5bfe\u5fdc\u3092\u8ffd\u52a0<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u81ea\u3089daemon\u5316\u3059\u308b\u3088\u3046\u306b\u51e6\u7406\u3092\u8ffd\u52a0<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u81ea\u3089\u3092\u505c\u6b62\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u30fb\u51e6\u7406\u306e\u8ffd\u52a0<\/ul>\n<h1>\u7ed9\u60a8\u7684\u9644\u8d60\u54c1<\/h1>\n<h2>\u5c06\u65e5\u5fd7\u7b80\u5316\u6613\u61c2<\/h2>\n<p>\u5728\u51fa\u73b0\u9519\u8bef\u65f6\uff0c\u5f88\u96be\u786e\u5b9a\u65e5\u5fd7\u6765\u81ea\u54ea\u4e00\u884c\uff0c\u8ba9\u6211\u611f\u5230\u975e\u5e38\u56f0\u6270\u3002<br \/>\n\u901a\u8fc7\u6dfb\u52a0\u4ee5\u4e0b\u884c\u5230main\u51fd\u6570\u7684\u7b2c\u4e00\u884c\uff0c\u628a\u683c\u5f0f\u6539\u4e3a[\u6587\u4ef6\u540d]:[\u884c\u53f7]: [\u6d88\u606f]\uff0c\u771f\u662f\u592a\u611f\u6fc0\u4e86\u3002<\/p>\n<pre class=\"post-pre\"><code>log.SetFlags(log.Lshortfile)\r\n<\/code><\/pre>\n<h1>\u8ffd\u52a0\u4e8e2016\u5e7410\u670812\u65e5<\/h1>\n<p>\u56e0\u4e3a\u6709\u4e00\u4e9b\u540c\u4e8b\u7684\u6307\u51fa\uff0c\u6211\u505a\u51fa\u4e86\u76f8\u5e94\u7684\u5904\u7406\u3002<\/p>\n<h2>fd.Close() \u7684\u64cd\u4f5c\u5df2\u88ab\u66f4\u6539\u4e3a defer\u3002<\/h2>\n<p>\u53ea\u662f\u5c06\u672b\u5c3e\u7684fd.Close()\u79fb\u5230\u4e86\u5f00\u5934\uff0c\u5e76\u52a0\u4e0a\u4e86defer\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">process<\/span><span class=\"p\">(<\/span><span class=\"n\">fd<\/span> <span class=\"n\">net<\/span><span class=\"o\">.<\/span><span class=\"n\">Conn<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">defer<\/span> <span class=\"n\">fd<\/span><span class=\"o\">.<\/span><span class=\"n\">Close<\/span><span class=\"p\">()<\/span>\r\n  <span class=\"k\">for<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">buf<\/span> <span class=\"o\">:=<\/span> <span class=\"nb\">make<\/span><span class=\"p\">([]<\/span><span class=\"kt\">byte<\/span><span class=\"p\">,<\/span> <span class=\"m\">512<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">nr<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">fd<\/span><span class=\"o\">.<\/span><span class=\"n\">Read<\/span><span class=\"p\">(<\/span><span class=\"n\">buf<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"k\">break<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"n\">data<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">buf<\/span><span class=\"p\">[<\/span><span class=\"m\">0<\/span><span class=\"o\">:<\/span><span class=\"n\">nr<\/span><span class=\"p\">]<\/span>\r\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Recieved: %v\"<\/span><span class=\"p\">,<\/span> <span class=\"kt\">string<\/span><span class=\"p\">(<\/span><span class=\"n\">data<\/span><span class=\"p\">));<\/span>\r\n    <span class=\"n\">_<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">=<\/span> <span class=\"n\">fd<\/span><span class=\"o\">.<\/span><span class=\"n\">Write<\/span><span class=\"p\">(<\/span><span class=\"n\">data<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error: %v<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n      <span class=\"k\">break<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u5c06server\u8f6c\u6362\u6210\u7ed3\u6784\u4f53\u3002<\/h2>\n<ul class=\"post-ul\">\u30b5\u30fc\u30d0\u30fc\u304cListener\u306e\u7ba1\u7406\u3092\u3059\u308b\u70ba\u306b\u3001main\u95a2\u6570\u5185\u3067\u3084\u3063\u3066\u3044\u305f\u3053\u3068\u306e\u4e00\u90e8\u3092\u30b5\u30fc\u30d0\u30fc\u5074\u306b\u79fb\u52d5\u3057\u3066\u3044\u307e\u3059\u3002<\/ul>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n  <span class=\"s\">\"net\"<\/span>\r\n  <span class=\"s\">\"log\"<\/span>\r\n  <span class=\"s\">\"os\"<\/span>\r\n  <span class=\"s\">\"fmt\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">Server<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">listener<\/span> <span class=\"n\">net<\/span><span class=\"o\">.<\/span><span class=\"n\">Listener<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">NewServer<\/span><span class=\"p\">()<\/span> <span class=\"o\">*<\/span><span class=\"n\">Server<\/span><span class=\"p\">{<\/span>\r\n  <span class=\"n\">s<\/span> <span class=\"o\">:=<\/span> <span class=\"nb\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">Server<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"k\">return<\/span> <span class=\"n\">s<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">s<\/span> <span class=\"o\">*<\/span><span class=\"n\">Server<\/span><span class=\"p\">)<\/span> <span class=\"n\">Open<\/span><span class=\"p\">(<\/span><span class=\"n\">socket<\/span> <span class=\"kt\">string<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">listener<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">net<\/span><span class=\"o\">.<\/span><span class=\"n\">Listen<\/span><span class=\"p\">(<\/span><span class=\"s\">\"unix\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">socket<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error: %v<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">return<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"n\">s<\/span><span class=\"o\">.<\/span><span class=\"n\">listener<\/span> <span class=\"o\">=<\/span> <span class=\"n\">listener<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Chmod<\/span><span class=\"p\">(<\/span><span class=\"n\">socket<\/span><span class=\"p\">,<\/span> <span class=\"m\">0700<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error: %v<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">s<\/span><span class=\"o\">.<\/span><span class=\"n\">Close<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"k\">return<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">s<\/span> <span class=\"o\">*<\/span><span class=\"n\">Server<\/span><span class=\"p\">)<\/span> <span class=\"n\">Close<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">s<\/span><span class=\"o\">.<\/span><span class=\"n\">listener<\/span><span class=\"o\">.<\/span><span class=\"n\">Close<\/span><span class=\"p\">();<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error: %v<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">s<\/span> <span class=\"o\">*<\/span><span class=\"n\">Server<\/span><span class=\"p\">)<\/span> <span class=\"n\">Start<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">for<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">fd<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">s<\/span><span class=\"o\">.<\/span><span class=\"n\">listener<\/span><span class=\"o\">.<\/span><span class=\"n\">Accept<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"k\">return<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">go<\/span> <span class=\"n\">s<\/span><span class=\"o\">.<\/span><span class=\"n\">Process<\/span><span class=\"p\">(<\/span><span class=\"n\">fd<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">s<\/span> <span class=\"o\">*<\/span><span class=\"n\">Server<\/span><span class=\"p\">)<\/span> <span class=\"n\">Process<\/span><span class=\"p\">(<\/span><span class=\"n\">fd<\/span> <span class=\"n\">net<\/span><span class=\"o\">.<\/span><span class=\"n\">Conn<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">defer<\/span> <span class=\"n\">fd<\/span><span class=\"o\">.<\/span><span class=\"n\">Close<\/span><span class=\"p\">()<\/span>\r\n  <span class=\"k\">for<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">buf<\/span> <span class=\"o\">:=<\/span> <span class=\"nb\">make<\/span><span class=\"p\">([]<\/span><span class=\"kt\">byte<\/span><span class=\"p\">,<\/span> <span class=\"m\">512<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">nr<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">fd<\/span><span class=\"o\">.<\/span><span class=\"n\">Read<\/span><span class=\"p\">(<\/span><span class=\"n\">buf<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"k\">break<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"n\">data<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">buf<\/span><span class=\"p\">[<\/span><span class=\"m\">0<\/span><span class=\"o\">:<\/span><span class=\"n\">nr<\/span><span class=\"p\">]<\/span>\r\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Recieved: %v\"<\/span><span class=\"p\">,<\/span> <span class=\"kt\">string<\/span><span class=\"p\">(<\/span><span class=\"n\">data<\/span><span class=\"p\">));<\/span>\r\n    <span class=\"n\">_<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">=<\/span> <span class=\"n\">fd<\/span><span class=\"o\">.<\/span><span class=\"n\">Write<\/span><span class=\"p\">(<\/span><span class=\"n\">data<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error: %v<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n      <span class=\"k\">break<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n  <span class=\"s\">\"os\"<\/span>\r\n  <span class=\"s\">\"os\/signal\"<\/span>\r\n  <span class=\"s\">\"io\/ioutil\"<\/span>\r\n  <span class=\"s\">\"fmt\"<\/span>\r\n  <span class=\"s\">\"syscall\"<\/span>\r\n  <span class=\"s\">\"strconv\"<\/span>\r\n  <span class=\"s\">\"log\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">SetFlags<\/span><span class=\"p\">(<\/span><span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Lshortfile<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"n\">tempDir<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">ioutil<\/span><span class=\"o\">.<\/span><span class=\"n\">TempDir<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"golang-sample-echo-server.\"<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error: %v<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">return<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"n\">pid<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">strconv<\/span><span class=\"o\">.<\/span><span class=\"n\">Itoa<\/span><span class=\"p\">(<\/span><span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Getpid<\/span><span class=\"p\">())<\/span>\r\n  <span class=\"n\">socket<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">tempDir<\/span> <span class=\"o\">+<\/span> <span class=\"s\">\"\/server.\"<\/span> <span class=\"o\">+<\/span> <span class=\"n\">pid<\/span>\r\n  <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Chmod<\/span><span class=\"p\">(<\/span><span class=\"n\">tempDir<\/span><span class=\"p\">,<\/span> <span class=\"m\">0700<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error: %v<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">return<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"k\">defer<\/span> <span class=\"k\">func<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Remove<\/span><span class=\"p\">(<\/span><span class=\"n\">tempDir<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error: %v<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}()<\/span>\r\n  <span class=\"n\">server<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">NewServer<\/span><span class=\"p\">()<\/span>\r\n  <span class=\"n\">server<\/span><span class=\"o\">.<\/span><span class=\"n\">Open<\/span><span class=\"p\">(<\/span><span class=\"n\">socket<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"n\">registerShutdown<\/span><span class=\"p\">(<\/span><span class=\"n\">server<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"GOLANG_SAMPLE_SOCK=%v;export GOLANG_SAMPLE_SOCK;<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">socket<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"GOLANG_SAMPLE_PID=%v;export GOLANG_SAMPLE_PID;<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">pid<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"n\">server<\/span><span class=\"o\">.<\/span><span class=\"n\">Start<\/span><span class=\"p\">()<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">registerShutdown<\/span><span class=\"p\">(<\/span><span class=\"n\">server<\/span> <span class=\"o\">*<\/span><span class=\"n\">Server<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">c<\/span> <span class=\"o\">:=<\/span> <span class=\"nb\">make<\/span><span class=\"p\">(<\/span><span class=\"k\">chan<\/span> <span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Signal<\/span><span class=\"p\">,<\/span> <span class=\"m\">2<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"n\">signal<\/span><span class=\"o\">.<\/span><span class=\"n\">Notify<\/span><span class=\"p\">(<\/span><span class=\"n\">c<\/span><span class=\"p\">,<\/span> <span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Interrupt<\/span><span class=\"p\">,<\/span> <span class=\"n\">syscall<\/span><span class=\"o\">.<\/span><span class=\"n\">SIGTERM<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"k\">go<\/span> <span class=\"k\">func<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">interrupt<\/span> <span class=\"o\">:=<\/span> <span class=\"m\">0<\/span>\r\n    <span class=\"k\">for<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"n\">s<\/span> <span class=\"o\">:=<\/span> <span class=\"o\">&lt;-<\/span><span class=\"n\">c<\/span>\r\n      <span class=\"k\">switch<\/span> <span class=\"n\">s<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"k\">case<\/span> <span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Interrupt<\/span><span class=\"o\">:<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">interrupt<\/span> <span class=\"o\">==<\/span> <span class=\"m\">0<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n          <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Interrupt...\"<\/span><span class=\"p\">)<\/span>\r\n          <span class=\"n\">interrupt<\/span><span class=\"o\">++<\/span>\r\n          <span class=\"k\">continue<\/span>\r\n        <span class=\"p\">}<\/span>\r\n      <span class=\"p\">}<\/span>\r\n      <span class=\"k\">break<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"n\">server<\/span><span class=\"o\">.<\/span><span class=\"n\">Close<\/span><span class=\"p\">()<\/span>\r\n  <span class=\"p\">}()<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<h1>\u8ffd\u52a0\u8bf4\u660e\u4e8e2016\u5e7410\u670813\u65e5<\/h1>\n<p>\u7531\u4e8e\u6ca1\u6709\u8fd0\u52a8\uff0c\u6240\u4ee5\u57282016\/10\/14\u8fdb\u884c\u4e86\u5fae\u8c03\u3002<\/p>\n<p>\u56e0\u4e3a\u8fd8\u63d0\u5230\u4e86\u9519\u8bef\u5904\u7406\uff0c\u6240\u4ee5\u5df2\u7ecf\u8fdb\u884c\u4e86\u76f8\u5e94\u7684\u5904\u7406\u3002<\/p>\n<p>\u56e0\u4e3a\u53ea\u6709\u5dee\u5f02\u66f4\u5bb9\u6613\u7406\u89e3\uff0c\u6240\u4ee5\u53ea\u63d0\u4f9b\u5dee\u5f02\u3002<\/p>\n<p>\u670d\u52a1\u5668\u5728\u51fa\u73b0\u9519\u8bef\u65f6\u8fd4\u56de\u9519\u8bef\uff0c\u5b9e\u9645\u7684\u9519\u8bef\u5904\u7406\u5728\u4e3b\u51fd\u6570\u5185\u8fdb\u884c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gh\">diff --git a\/main.go b\/main.go\r\nindex 6478944..92dbdbf 100644\r\n<\/span><span class=\"gd\">--- a\/main.go\r\n<\/span><span class=\"gi\">+++ b\/main.go\r\n<\/span><span class=\"p\">@@ -29,11 +29,14 @@<\/span> func main() {\r\n     }\r\n   }()\r\n   server := NewServer()\r\n<span class=\"gd\">-  server.Open(socket)\r\n<\/span><span class=\"gi\">+  if err := server.Open(socket); err != nil {\r\n+    log.Printf(\"error: %v\\n\", err)\r\n+    return;\r\n+  }\r\n<\/span>   registerShutdown(server)\r\n   fmt.Printf(\"GOLANG_SAMPLE_SOCK=%v;export GOLANG_SAMPLE_SOCK;\\n\", socket)\r\n   fmt.Printf(\"GOLANG_SAMPLE_PID=%v;export GOLANG_SAMPLE_PID;\\n\", pid)\r\n<span class=\"gd\">-  server.Start()\r\n<\/span><span class=\"gi\">+  server.Start();\r\n<\/span> }\r\n\r\n func registerShutdown(server *Server) {\r\n<span class=\"p\">@@ -53,6 +56,8 @@<\/span> func registerShutdown(server *Server) {\r\n       }\r\n       break\r\n     }\r\n<span class=\"gd\">-    server.Close()\r\n<\/span><span class=\"gi\">+    if err := server.Close(); err != nil {\r\n+      log.Printf(\"error: %v\\n\", err)\r\n+    }\r\n<\/span>   }()\r\n }\r\n<span class=\"gh\">diff --git a\/server.go b\/server.go\r\nindex 64a03af..3f40115 100644\r\n<\/span><span class=\"gd\">--- a\/server.go\r\n<\/span><span class=\"gi\">+++ b\/server.go\r\n<\/span><span class=\"p\">@@ -2,7 +2,6 @@<\/span> package main\r\n\r\n import (\r\n   \"net\"\r\n<span class=\"gd\">-  \"log\"\r\n<\/span>   \"os\"\r\n   \"fmt\"\r\n )\r\n<span class=\"p\">@@ -16,37 +15,37 @@<\/span> func NewServer() *Server{\r\n   return s;\r\n }\r\n\r\n-func (s *Server) Open(socket string) {\r\n<span class=\"gi\">+func (s *Server) Open(socket string) error {\r\n<\/span>   listener, err := net.Listen(\"unix\", socket)\r\n   if err != nil {\r\n<span class=\"gd\">-    log.Printf(\"error: %v\\n\", err)\r\n-    return\r\n<\/span><span class=\"gi\">+    return err\r\n<\/span>   }\r\n   s.listener = listener;\r\n   if err := os.Chmod(socket, 0600); err != nil {\r\n<span class=\"gd\">-    log.Printf(\"error: %v\\n\", err)\r\n<\/span>     s.Close()\r\n<span class=\"gd\">-    return\r\n<\/span><span class=\"gi\">+    return err\r\n<\/span>   }\r\n<span class=\"gi\">+  return nil\r\n<\/span> }\r\n\r\n-func (s *Server) Close() {\r\n<span class=\"gi\">+func (s *Server) Close() error{\r\n<\/span>   if err := s.listener.Close(); err != nil {\r\n<span class=\"gd\">-    log.Printf(\"error: %v\\n\", err)\r\n<\/span><span class=\"gi\">+    return err;\r\n<\/span>   }\r\n<span class=\"gi\">+  return nil\r\n<\/span> }\r\n\r\n func (s *Server) Start() {\r\n   for {\r\n     fd, err := s.listener.Accept()\r\n     if err != nil {\r\n<span class=\"gd\">-      return\r\n<\/span><span class=\"gi\">+      break;\r\n<\/span>     }\r\n     go s.Process(fd)\r\n   }\r\n }\r\n\r\n-func (s *Server) Process(fd net.Conn) {\r\n<span class=\"gi\">+func (s *Server) Process(fd net.Conn) error{\r\n<\/span>   defer fd.Close()\r\n   for {\r\n     buf := make([]byte, 512)\r\n<span class=\"p\">@@ -58,8 +57,8 @@<\/span> func (s *Server) Process(fd net.Conn) {\r\n     fmt.Printf(\"Recieved: %v\", string(data));\r\n     _, err = fd.Write(data)\r\n     if err != nil {\r\n<span class=\"gd\">-      log.Printf(\"error: %v\\n\", err)\r\n-      break\r\n<\/span><span class=\"gi\">+      return err\r\n<\/span>     }\r\n   }\r\n<span class=\"gi\">+  return nil\r\n<\/span><\/code><\/pre>\n<h2>\u6211\u4f7f\u7528\u4e86\u53c2\u8003\u7684\u7f51\u7ad9<\/h2>\n<p>Go\u8bed\u8a00\u7f16\u5199\u7684Web\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u901a\u8fc7UNIX\u57df\u5957\u63a5\u5b57\u8fdb\u884c\u516c\u5f00\u3002<br \/>\n\u5728Go\u4e2d\u4f7f\u7528UNIX\u5957\u63a5\u5b57\uff08\u6765\u81eaStack Overflow\uff09\u3002<\/p>\n<p>\u4f7f\u7528\u539f\u751f\u7684\u6c49\u8bed\u5bf9\u4ee5\u4e0b\u8fdb\u884c\u6539\u5199\uff0c\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\uff1a<br \/>\nThe Go\u7f16\u7a0b\u8bed\u8a00<br \/>\n&#8211; net \u5305<br 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