{"id":207822,"date":"2025-07-08T11:50:35","date_gmt":"2025-07-08T03:50:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207822\/"},"modified":"2025-07-08T11:50:35","modified_gmt":"2025-07-08T03:50:35","slug":"golang-%e5%bc%ba%e5%88%b6-net-http-%e5%ae%a2%e6%88%b7%e7%ab%af%e4%bd%bf%e7%94%a8-ipv4-ipv6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207822\/","title":{"rendered":"golang \u5f3a\u5236 net\/http \u5ba2\u6237\u7aef\u4f7f\u7528 IPv4 \/ IPv6"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> golang \u5f3a\u5236 net\/http \u5ba2\u6237\u7aef\u4f7f\u7528 IPv4 \/ IPv6<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-25 21:18:34<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300agolang \u5f3a\u5236 net\/http \u5ba2\u6237\u7aef\u4f7f\u7528 IPv4 \/ IPv6\u300b<\/span>\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec<\/span>\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u6211\u4f7f\u7528 go1.11 net\/http \u5e76\u5e0c\u671b\u68c0\u6d4b\u57df\u662f\u5426\u4ec5\u652f\u6301 ipv6\u3002<\/p>\n

\u4f60\u505a\u4e86\u4ec0\u4e48\uff1f<\/h3>\n

\u6211\u521b\u5efa\u81ea\u5df1\u7684 dialcontext \u56e0\u4e3a\u5e0c\u671b\u68c0\u6d4b\u57df\u662f\u5426\u4ec5\u9650 ipv6\u3002\u4ee3\u7801\u5982\u4e0b<\/p>\n

package main\nimport (\n    \"errors\"\n    \"fmt\"\n    \"net\"\n    \"net\/http\"\n    \"syscall\"\n    \"time\"\n)\nfunc ModifiedTransport() {\n    var MyTransport = &http.Transport{\n        DialContext: (&net.Dialer{\n            Timeout:   30 * time.Second,\n            KeepAlive: 30 * time.Second,\n            DualStack: false,\n            Control: func(network, address string, c syscall.RawConn) error {\n                if network == \"ipv4\" {\n                    \/\/ I want to  cancel connection here client.Get(\"http:\/\/myexample.com\") return a non-nil err.\n                    return errors.New(\"you should not use ipv4\")\n                }\n                return nil\n            },\n        }).DialContext,\n        MaxIdleConns:          100,\n        IdleConnTimeout:       90 * time.Second,\n        TLSHandshakeTimeout:   10 * time.Second,\n        ExpectContinueTimeout: 1 * time.Second,\n    }\n    var myClient = http.Client{Transport: MyTransport}\n    resp, myerr := myClient.Get(\"http:\/\/www.github.com\")\n    if myerr != nil {\n        fmt.Println(\"request error\")\n        return \n    }\n    var buffer = make([]byte, 1000)\n    resp.Body.Read(buffer)\n    fmt.Println(string(buffer))\n}\nfunc main(){\n    ModifiedTransport();\n}\n<\/pre>\n
\u5373\u4f7f\u6211\u53ef\u4ee5\u8fdb\u5165 network == \"ipv4\"<\/code>\uff0c\u6211\u73b0\u5728\u4e5f\u4e0d\u77e5\u9053\u5982\u4f55\u5173\u95ed\u8bf7\u6c42\u3002<\/p>\n
\u6dfb\u52a0<\/h3>\n
python \u53ef\u4ee5\u901a\u8fc7\u5f3a\u5236\u8bf7\u6c42\u4f7f\u7528 ipv4 \/ ipv6 \u6765\u89e3\u51b3\u8be5\u95ee\u9898\u3002\u6211\u4e0d\u77e5\u9053\u5982\u4f55\u5728 golang \u4e2d\u505a\u5230\u8fd9\u4e00\u70b9\u3002\u6709\u4eba\u53ef\u4ee5\u5e2e\u52a9\u6211\u5417\uff1f \u975e\u5e38\u611f\u8c22\uff01<\/p>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u4f20\u9012\u7ed9 Control<\/code> \u51fd\u6570\u7684 network<\/code> \u662f tcp4<\/code> \uff08\u5bf9\u4e8e IPv4 \u8fde\u63a5\uff09\u6216 tcp6<\/code> \uff08\u5bf9\u4e8e IPv6 \u8fde\u63a5\uff09\uff08\u5982\u679c\u60a8\u8981\u5efa\u7acb\u4f20\u51fa TCP \u8fde\u63a5\uff09\u3002<\/p>\n
\u6458\u81ea\u7684\u8bc4\u8bba\uff1a<\/p>\n
\uff08\u5982\u679c\u662f\u975eTCP\u8fde\u63a5\uff0c\u5219\u53ef\u4ee5\u4e3a\u3002\uff09<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u300agolang \u5f3a\u5236 net\/http \u5ba2\u6237\u7aef\u4f7f\u7528 IPv4 \/ IPv6\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207822","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207822","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207822"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207822\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207822"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207822"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}