{"id":183492,"date":"2024-11-10T05:16:20","date_gmt":"2024-11-09T21:16:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183492\/"},"modified":"2024-11-10T05:16:21","modified_gmt":"2024-11-09T21:16:21","slug":"%e5%af%a6%e6%88%b0redis%e4%bd%bf%e7%94%a8poll%e6%96%b9%e6%b3%95%e7%ae%a1%e7%90%86%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%88redis%e7%9a%84poll%e6%96%b9%e6%b3%95%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183492\/","title":{"rendered":"\u5be6\u6230Redis\u4f7f\u7528poll\u65b9\u6cd5\u7ba1\u7406\u6578\u64da\u5eab\uff08redis\u7684poll\u65b9\u6cd5\uff09"},"content":{"rendered":"<h1 id=\"%e5%af%a6%e6%88%b0redis%e4%bd%bf%e7%94%a8poll%e6%96%b9%e6%b3%95%e7%ae%a1%e7%90%86%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%88redis%e7%9a%84poll%e6%96%b9%e6%b3%95%ef%bc%89-ZQtcfXBJoh\">\u5be6\u6230Redis\u4f7f\u7528poll\u65b9\u6cd5\u7ba1\u7406\u6578\u64da\u5eab\uff08redis\u7684poll\u65b9\u6cd5\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7684poll\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u5be6\u969b\u7684\u4f7f\u7528\u6848\u4f8b\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e7%9a%84poll%e6%96%b9%e6%b3%95%ef%bc%9f-ZQtcfXBJoh\">\u4ec0\u9ebc\u662fRedis\u7684poll\u65b9\u6cd5\uff1f<\/h2>\n<p>\u5728Redis\u4e2d\uff0cpoll\u65b9\u6cd5\u4e3b\u8981\u7528\u65bc\u76e3\u63a7\u591a\u500b\u6578\u64da\u6e90\u7684\u72c0\u614b\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u6578\u64da\u7684\u8b80\u53d6\u548c\u5beb\u5165\u3002\u9019\u7a2e\u65b9\u6cd5\u7279\u5225\u9069\u5408\u9700\u8981\u9ad8\u6548\u8655\u7406\u5927\u91cf\u8acb\u6c42\u7684\u61c9\u7528\u5834\u666f\u3002\u901a\u904e\u4f7f\u7528poll\u65b9\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u55ae\u500b\u7dda\u7a0b\u4e2d\u540c\u6642\u8655\u7406\u591a\u500b\u9023\u63a5\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%93%8d%e4%bd%9c-ZQtcfXBJoh\">Redis\u7684\u57fa\u672c\u64cd\u4f5c<\/h2>\n<p>\u5728\u4f7f\u7528poll\u65b9\u6cd5\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3Redis\u7684\u57fa\u672c\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684Redis\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li><code>SET key value<\/code>\uff1a\u8a2d\u7f6e\u6307\u5b9a\u9375\u7684\u503c\u3002<\/li>\n<li><code>GET key<\/code>\uff1a\u7372\u53d6\u6307\u5b9a\u9375\u7684\u503c\u3002<\/li>\n<li><code>DEL key<\/code>\uff1a\u522a\u9664\u6307\u5b9a\u9375\u3002<\/li>\n<li><code>EXISTS key<\/code>\uff1a\u6aa2\u67e5\u6307\u5b9a\u9375\u662f\u5426\u5b58\u5728\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8poll%e6%96%b9%e6%b3%95%e7%9a%84%e5%af%a6%e9%9a%9b%e6%a1%88%e4%be%8b-ZQtcfXBJoh\">\u4f7f\u7528poll\u65b9\u6cd5\u7684\u5be6\u969b\u6848\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Redis\u7684poll\u65b9\u6cd5\u7684\u7c21\u55ae\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728Python\u4e2d\u5be6\u73fe\u9019\u4e00\u529f\u80fd\uff1a<\/p>\n<pre><code>import redis\nimport select\nimport socket\n\n# \u5275\u5efaRedis\u9023\u63a5\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u5275\u5efa\u4e00\u500bsocket\nserver_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\nserver_socket.bind(('localhost', 12345))\nserver_socket.listen(5)\n\n# \u8a2d\u7f6epoll\u5c0d\u8c61\npoll = select.poll()\npoll.register(server_socket, select.POLLIN)\n\nwhile True:\n    events = poll.poll()\n    for fd, event in events:\n        if fd == server_socket.fileno():\n            client_socket, addr = server_socket.accept()\n            print(f'Connection from {addr}')\n            poll.register(client_socket, select.POLLIN)\n        else:\n            data = fd.recv(1024)\n            if data:\n                # \u5c07\u6578\u64da\u5b58\u5165Redis\n                r.set('last_message', data.decode())\n                print(f'Saved to Redis: {data.decode()}')\n            else:\n                poll.unregister(fd)\n                fd.close()\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500bTCP\u670d\u52d9\u5668\uff0c\u4e26\u4f7f\u7528poll\u65b9\u6cd5\u4f86\u76e3\u63a7\u5ba2\u6236\u7aef\u7684\u9023\u63a5\u3002\u7576\u6709\u65b0\u7684\u9023\u63a5\u9032\u4f86\u6642\uff0c\u6211\u5011\u5c07\u5176\u8a3b\u518a\u5230poll\u5c0d\u8c61\u4e2d\uff0c\u4e26\u5728\u63a5\u6536\u5230\u6578\u64da\u6642\u5c07\u5176\u5b58\u5132\u5230Redis\u4e2d\u3002<\/p>\n<h2 id=\"%e5%84%aa%e5%8c%96redis%e7%9a%84%e4%bd%bf%e7%94%a8-ZQtcfXBJoh\">\u512a\u5316Redis\u7684\u4f7f\u7528<\/h2>\n<p>\u70ba\u4e86\u63d0\u9ad8Redis\u7684\u6027\u80fd\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u7ba1\u9053\u6280\u8853\uff1a<\/strong>\u901a\u904e\u7ba1\u9053\u6280\u8853\uff0c\u53ef\u4ee5\u5728\u4e00\u6b21\u8acb\u6c42\u4e2d\u767c\u9001\u591a\u500b\u547d\u4ee4\uff0c\u5f9e\u800c\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\u3002<\/li>\n<li><strong>\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff1a<\/strong>\u5c0d\u65bc\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u61c9\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u4ee5\u91cb\u653e\u5167\u5b58\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5217\u8868\u3001\u96c6\u5408\u6216\u54c8\u5e0c\u8868\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ZQtcfXBJoh\">\u7e3d\u7d50<\/h2>\n<p>Redis\u7684poll\u65b9\u6cd5\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u65b9\u5f0f\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u540c\u6642\u8655\u7406\u591a\u500b\u8acb\u6c42\u7684\u5834\u666f\u4e2d\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528Redis\u7684\u57fa\u672c\u64cd\u4f5c\u548c\u512a\u5316\u6280\u5de7\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5b58\u5132\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u670d\u52d9\u5668\u74b0\u5883\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4f7f\u7528Redis\u7684poll\u65b9\u6cd5\u6709\u6548\u7ba1\u7406\u6578\u64da\u5eab\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u5be6\u73fe\u5be6\u6230\u61c9\u7528\u6280\u5de7\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-183492","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183492","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=183492"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183492\/revisions"}],"predecessor-version":[{"id":183493,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183492\/revisions\/183493"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183492"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183492"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183492"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}