{"id":236,"date":"2023-10-18T10:14:05","date_gmt":"2023-10-18T02:14:05","guid":{"rendered":"http:\/\/test.ccwifi.cc\/?p=236"},"modified":"2023-10-18T10:14:05","modified_gmt":"2023-10-18T02:14:05","slug":"%e8%af%a6%e8%a7%a3websocket%e4%b8%8ehttp%e4%b8%8etcp-ip%e7%9a%84%e4%b8%89%e8%a7%92%e6%81%8b","status":"publish","type":"post","link":"https:\/\/www.ccwifi.cc\/blogs\/2023\/10\/18\/%e8%af%a6%e8%a7%a3websocket%e4%b8%8ehttp%e4%b8%8etcp-ip%e7%9a%84%e4%b8%89%e8%a7%92%e6%81%8b\/","title":{"rendered":"\u8be6\u89e3websocket\u4e0ehttp\u4e0eTCP\/IP\u7684\u4e09\u89d2\u604b"},"content":{"rendered":"<div>\n<p>\u5728\u7ebfwifi\u8dd1\u5305 \u91d1\u521a\u5305\u8dd1\u5305 cap\u8dd1\u5305 hccapx ewsa\u5728\u7ebf \u5c31\u6765 <strong><a href=\"http:\/\/ccwifi.cc\" target=\"_blank\" rel=\"noopener\">\u66f9\u64cdwifi<\/a><\/strong><\/p>\n<p>\u5404\u4f4d\u597d \u53c8\u89c1\u9762\u4e86 \u6211\u662f\u66f9\u64cd \u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\u65b0\u7684\u6559\u7a0b<\/p>\n<p>\u5e0c\u671b\u5404\u4f4d\u7ec6\u5fc3\u5b66\u4e60 \u4f4e\u8c03\u7528\u7f51<\/p>\n<\/div>\n<p><img decoding=\"async\" src=\"http:\/\/s1sql1tew.hb-bkt.clouddn.com\/photos\/20231018\/cb1d15194fbe0dec2ee769d67fb57523_0.png\" alt=\"\u63e1\u624b\u5305\u6587\u4ef6\u683c\u5f0f\"><\/p>\n<p>HTTP\u534f\u8bae\u662f\u4e00\u4e2a\u5de5\u4f5c\u5728\u5e94\u7528\u5c42\u7684\u534f\u8bae\uff0c\u5b83\u662f\u5efa\u7acb\u5728TCP\u4e4b\u4e0a\u7684\u4e00\u4e2a\u534f\u8bae\u3002<\/p>\n<p>\u5173\u4e8eWebSocket\uff0c\u5b98\u65b9\u7684\u89e3\u91ca\u53ef\u80fd\u4f1a\u8ba9\u4eba\u6709\u4e9b\u56f0\u60d1\uff0c\u4f46\u4ed4\u7ec6\u9605\u8bfb\u5b98\u65b9\u6587\u6863\u540e\u6211\u53d1\u73b0\uff0cWebSocket\u5e76\u4e0d\u662f\u6211\u4eec\u901a\u5e38\u7406\u89e3\u7684\u57fa\u4e8eTCP\u6216UDP\u534f\u8bae\u7684\u5957\u63a5\u5b57\uff0c\u800c\u662f\u4e00\u4e2a\u57fa\u4e8eTCP\u7684\u5e94\u7528\u5c42\u534f\u8bae\uff0c\u4e0eHTTP\u534f\u8bae\u5de5\u4f5c\u5728\u8ba1\u7b97\u673a\u7f51\u7edc\u7684\u540c\u4e00\u5c42\u3002<\/p>\n<p>\u5b9e\u9645\u4e0a\uff0cWebSocket\u5728TCP\u7684\u57fa\u7840\u4e0a\u589e\u52a0\u4e86\u4e00\u4e2a\u534f\u8bae\u3002\u8fd9\u4e2a\u534f\u8bae\u4e0eTCP\u534f\u8bae\u975e\u5e38\u76f8\u4f3c\uff0c\u4e5f\u9700\u8981\u63e1\u624b\u3001\u6325\u624b\uff0c\u53d1\u9001\u5927\u6570\u636e\u65f6\u4e5f\u9700\u8981\u5206\u5305\uff0c\u5e76\u4e14\u6309\u4f4d\u8fdb\u884c\u6807\u8bc6\u3002\u9700\u8981\u518d\u6b21\u5f3a\u8c03\u7684\u662f\uff0c\u5b83\u5e76\u4e0d\u662f\u5957\u63a5\u5b57\uff01\u5b83\u5de5\u4f5c\u5728\u5e94\u7528\u5c42\uff0c\u800c\u4e0d\u662f\u4f20\u8f93\u5c42\u3002<\/p>\n<ol>\n<li>WebSocket\u7684\u6570\u636e\u5e27\u683c\u5f0f\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"http:\/\/s1sql1tew.hb-bkt.clouddn.com\/photos\/20231018\/cb1d15194fbe0dec2ee769d67fb57523_1.png\" alt=\"\u63e1\u624b\u5305\u6587\u4ef6\u683c\u5f0f\"><\/p>\n<ul>\n<li>\n<p>FIN\uff1a1\u4e2abit\u4f4d\uff0c\u7528\u6765\u6807\u8bb0\u5f53\u524d\u6570\u636e\u5e27\u662f\u5426\u4e3a\u6700\u540e\u4e00\u4e2a\u6570\u636e\u5e27\u3002\u56e0\u4e3a\u4e00\u4e2a\u6d88\u606f\u53ef\u80fd\u4f1a\u5206\u6210\u591a\u4e2a\u6570\u636e\u5e27\u4f20\u9012\uff0c\u5982\u679c\u53ea\u9700\u8981\u4e00\u4e2a\u6570\u636e\u5e27\uff0c\u5219\u7b2c\u4e00\u4e2a\u6570\u636e\u5e27\u4e5f\u662f\u6700\u540e\u4e00\u4e2a\u3002<\/p>\n<\/li>\n<li>\n<p>RSV1, RSV2, RSV3\uff1a\u8fd9\u4e09\u4e2a\u5206\u522b\u5360\u7528\u4e00\u4e2abit\u4f4d\uff0c\u6839\u636eRFC\u7684\u4ecb\u7ecd\uff0c\u8fd9\u4e09\u4e2abit\u4f4d\u7528\u4e8e\u6269\u5c55\u76ee\u7684\uff0c\u5982\u679c\u6ca1\u6709\u6269\u5c55\u9700\u6c42\uff0c\u5219\u8bbe\u7f6e\u4e3a0\u3002<\/p>\n<\/li>\n<li>\n<p>Opcode\uff1a\u64cd\u4f5c\u7801\uff0c\u5360\u75284\u4e2abit\u4f4d\uff0c\u5373\u4e00\u4e2a16\u8fdb\u5236\u6570\u3002\u5b83\u7528\u4e8e\u63cf\u8ff0\u8981\u4f20\u9012\u7684\u6570\u636e\u7684\u7c7b\u578b\u6216\u7528\u9014\uff0c\u53ea\u80fd\u53d6\u4ee5\u4e0b\u503c\uff1a<\/p>\n<\/li>\n<li>\n<p>0x0\uff1a\u8868\u793a\u5f53\u524d\u6570\u636e\u5e27\u4e3a\u5206\u7247\u7684\u6570\u636e\u5e27\uff0c\u5373\u5f53\u4e00\u4e2a\u6d88\u606f\u9700\u8981\u5206\u6210\u591a\u4e2a\u6570\u636e\u5e27\u4f20\u8f93\u65f6\uff0c\u9700\u8981\u5c06Opcode\u8bbe\u7f6e\u4e3a0x0\u3002<\/p>\n<\/li>\n<li>\n<p>0x1\uff1a\u8868\u793a\u5f53\u524d\u6570\u636e\u5e27\u4f20\u9012\u7684\u5185\u5bb9\u662f\u6587\u672c\u3002<\/p>\n<\/li>\n<li>\n<p>0x2\uff1a\u8868\u793a\u5f53\u524d\u6570\u636e\u5e27\u4f20\u9012\u7684\u662f\u4e8c\u8fdb\u5236\u5185\u5bb9\uff0c\u4e0d\u8981\u8f6c\u6362\u6210\u5b57\u7b26\u4e32\u3002<\/p>\n<\/li>\n<li>\n<p>0x8\uff1a\u8868\u793a\u8bf7\u6c42\u5173\u95ed\u8fde\u63a5\u3002<\/p>\n<\/li>\n<li>\n<p>0x9\uff1a\u8868\u793aPing\u8bf7\u6c42\u3002<\/p>\n<\/li>\n<li>\n<p>0xA\uff1a\u8868\u793aPong\u6570\u636e\u5305\uff0c\u5f53\u6536\u5230Ping\u8bf7\u6c42\u65f6\u81ea\u52a8\u56de\u590d\u4e00\u4e2aPong\u3002<br \/>\n\u76ee\u524d\u534f\u8bae\u4e2d\u53ea\u89c4\u5b9a\u4e86\u4ee5\u4e0a\u8fd9\u4e9b\u503c\uff0c0x3~0x7\u548c0xB~0xF\u90fd\u662f\u9884\u7559\u4f5c\u4e3a\u5176\u4ed6\u7528\u9014\u3002<\/p>\n<\/li>\n<li>\n<p>MASK\uff1a\u5360\u7528\u4e00\u4e2abit\u4f4d\uff0c\u7528\u4e8e\u6807\u8bc6\u6570\u636e\u662f\u5426\u4f7f\u7528\u63a9\u7801\u3002\u6839\u636eRFC\u7684\u8bf4\u660e\uff0c\u670d\u52a1\u7aef\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u7684\u6570\u636e\u5e27\u4e0d\u80fd\u4f7f\u7528\u63a9\u7801\uff0c\u800c\u5ba2\u6237\u7aef\u53d1\u9001\u7ed9\u670d\u52a1\u7aef\u7684\u6570\u636e\u5e27\u5fc5\u987b\u4f7f\u7528\u63a9\u7801\u3002\u5982\u679c\u4e00\u4e2a\u5e27\u7684\u6570\u636e\u4f7f\u7528\u4e86\u63a9\u7801\uff0c\u5219Masking-key\u90e8\u5206\u5fc5\u987b\u662f\u4e00\u4e2a32\u4f4d\u7684\u63a9\u7801\uff0c\u7528\u4e8e\u670d\u52a1\u7aef\u89e3\u7801\u6570\u636e\u3002<\/p>\n<\/li>\n<li>\n<p>Payload len\uff1a\u6570\u636e\u7684\u957f\u5ea6\uff0c\u9ed8\u8ba4\u5360\u75287\u4e2abit\u4f4d\u3002\u5982\u679c\u6570\u636e\u957f\u5ea6\u5c0f\u4e8e125\u4e2a\u5b57\u8282\uff08\u6ce8\u610f\uff1a\u662f\u5b57\u8282\uff09\uff0c\u5219\u4f7f\u7528\u9ed8\u8ba4\u76847\u4e2abit\u4f4d\u6807\u8bc6\u6570\u636e\u957f\u5ea6\u3002\u5982\u679c\u6570\u636e\u957f\u5ea6\u4e3a126\u4e2a\u5b57\u8282\uff0c\u5219\u4f7f\u7528\u76f8\u90bb\u76842\u4e2a\u5b57\u8282\u4fdd\u5b58\u4e00\u4e2a16\u4f4d\u7684\u65e0\u7b26\u53f7\u6574\u6570\u4f5c\u4e3a\u6570\u636e\u957f\u5ea6\u3002\u5982\u679c\u6570\u636e\u957f\u5ea6\u5927\u4e8e126\u4e2a\u5b57\u8282\uff0c\u5219\u4f7f\u7528\u76f8\u90bb\u76848\u4e2a\u5b57\u8282\u4fdd\u5b58\u4e00\u4e2a64\u4f4d\u7684\u65e0\u7b26\u53f7\u6574\u6570\u4f5c\u4e3a\u6570\u636e\u957f\u5ea6\u3002<\/p>\n<\/li>\n<li>\n<p>Masking-key\uff1a\u6570\u636e\u63a9\u7801\uff0c\u5982\u679cMASK\u8bbe\u7f6e\u4e3a0\uff0c\u5219\u53ef\u4ee5\u7701\u7565\u8be5\u90e8\u5206\u3002\u5982\u679cMASK\u8bbe\u7f6e\u4e3a1\uff0c\u5219Masking-key\u4e3a\u4e00\u4e2a32\u4f4d\u7684\u63a9\u7801\uff0c\u7528\u4e8e\u89e3\u7801\u5ba2\u6237\u7aef\u53d1\u9001\u7ed9\u670d\u52a1\u7aef\u7684\u6570\u636e\u5e27\u3002<\/p>\n<\/li>\n<li>\n<p>Payload data\uff1a\u8be5\u90e8\u5206\u662f\u5e27\u771f\u6b63\u8981\u53d1\u9001\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u662f\u4efb\u610f\u957f\u5ea6\u3002<\/p>\n<\/li>\n<\/ul>\n<ol>\n<li>WebSocket\u63e1\u624b\uff1a<\/li>\n<\/ol>\n<p>\u5efa\u7acbTCP\u8fde\u63a5\u540e\uff0c\u5f00\u59cb\u5efa\u7acbWebSocket\u8fde\u63a5\u3002\u5982\u524d\u6240\u8ff0\uff0cWebSocket\u8fde\u63a5\u53ea\u9700\u4e00\u6b21\u6210\u529f\u63e1\u624b\u5373\u53ef\u5efa\u7acb\u3002\u63e1\u624b\u8fc7\u7a0b\u5982\u4e0b\u56fe\u6240\u793a\uff08\u56fe\u7247\u6765\u81ea\u4e92\u8054\u7f51\uff09\uff1a<\/p>\n<p><!-- \u6587\u7ae0\u6765\u6e90:https:\/\/blog.csdn.net\/THMAIL\/article\/details\/103990996 --><\/p>\n<p>1) \u9996\u5148\uff0c\u5ba2\u6237\u7aef\u4f1a\u53d1\u9001\u4e00\u4e2a\u63e1\u624b\u5305\u3002\u8fd9\u91cc\u4f53\u73b0\u4e86WebSocket\u4e0eHTTP\u534f\u8bae\u7684\u8054\u7cfb\uff0c\u63e1\u624b\u5305\u7684\u62a5\u6587\u683c\u5f0f\u5fc5\u987b\u7b26\u5408HTTP\u62a5\u6587\u683c\u5f0f\u7684\u89c4\u8303\u3002<\/p>\n<p>2) \u670d\u52a1\u7aef\u9a8c\u8bc1\u5ba2\u6237\u7aef\u7684\u63e1\u624b\u5305\u662f\u5426\u7b26\u5408\u89c4\u8303\u540e\uff0c\u4e5f\u4f1a\u53d1\u9001\u4e00\u4e2a\u63e1\u624b\u5305\u7ed9\u5ba2\u6237\u7aef\u3002\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<p>3) \u5ba2\u6237\u7aef\u6536\u5230\u670d\u52a1\u7aef\u7684\u63e1\u624b\u5305\u540e\uff0c\u9a8c\u8bc1\u62a5\u6587\u683c\u5f0f\u662f\u5426\u7b26\u5408\u89c4\u8303\uff0c\u5e76\u6309\u7167\u7b2c2\u6b65\u540c\u6837\u7684\u65b9\u5f0f\u8ba1\u7b97Sec-WebSocket-Accept\uff0c\u5e76\u4e0e\u670d\u52a1\u7aef\u63e1\u624b\u5305\u4e2d\u7684\u503c\u8fdb\u884c\u6bd4\u5bf9\u3002<\/p>\n<p>\u5982\u679c\u4efb\u4f55\u4e00\u6b65\u9a8c\u8bc1\u4e0d\u901a\u8fc7\uff0c\u5219\u65e0\u6cd5\u5efa\u7acbWebSocket\u8fde\u63a5\u3002<\/p>\n<p>\u53c2\u8003\uff1a<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8be6\u89e3websocket\u4e0ehttp\u4e0eTCP\/IP\u7684\u4e09\u89d2\u604bhttp\u534f\u8bae\u662f\u4e00\u4e2a\u5de5\u4f5c\u5728\u5e94\u7528\u5c42\u7684\u534f\u8bae\uff0c\u5b83\u662f\u5efa\u7acb\u5728tcp\u4e4b\u4e0a\u7684\u4e00\u4e2a\u534f\u8bae\uff1b\u4e09\u3001\u5173\u4e8ewebsocket\u6211\u5f53\u65f6\u4e5f\u88ab\u5b98\u65b9\u8bf4\u7684\u4ec0\u4e48web\u652f\u6301\u5957\u63a5\u5b57\u4e86\u5565\u5565\u7684\u7ed9\u5f04\u6655\u4e86\uff0c\u6700\u540e\u4ed4\u4ed4\u7ec6\u7ec6\u5730\u8bfb\u4e86\u4e00\u4e0b\u5b98\u6863<\/p>\n","protected":false},"author":1,"featured_media":237,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-236","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-1"],"_links":{"self":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts\/236","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/comments?post=236"}],"version-history":[{"count":0,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/posts\/236\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/media\/237"}],"wp:attachment":[{"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/media?parent=236"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/categories?post=236"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/tags?post=236"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.ccwifi.cc\/blogs\/wp-json\/wp\/v2\/topic?post=236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}