{"id":51507,"date":"2024-12-03T14:54:41","date_gmt":"2024-12-03T06:54:41","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51507\/"},"modified":"2024-12-03T14:54:41","modified_gmt":"2024-12-03T06:54:41","slug":"%e7%a0%94%e7%a9%b6-linux-linkwatch-%e8%bf%9b%e7%a8%8b%e7%9a%84%e5%8a%9f%e8%83%bd%e5%92%8c%e8%bf%90%e8%a1%8c%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51507\/","title":{"rendered":"\u7814\u7a76 Linux linkwatch \u8fdb\u7a0b\u7684\u529f\u80fd\u548c\u8fd0\u884c\u539f\u7406"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u7814\u7a76 Linux linkwatch \u8fdb\u7a0b\u7684\u529f\u80fd\u548c\u8fd0\u884c\u539f\u7406<\/h1>\n<p>\u6b22\u8fce\u5404\u4f4d\u5c0f\u4f19\u4f34\u6765\u5230\u7c73\u4e91\uff0c\u76f8\u805a\u4e8e\u6b64\u90fd\u662f\u7f18\u54c8\u54c8\u54c8\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\uff0c\u5982\u679c\u4f60\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u975e\u5e38\u611f\u5174\u8da3\u6216\u8005\u6b63\u5728\u81ea\u5b66\uff0c\u90fd\u53ef\u4ee5\u5173\u6ce8\u6211\uff0c\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\uff01\u5f53\u7136\uff0c\u6709\u4ec0\u4e48\u5efa\u8bae\u4e5f\u6b22\u8fce\u5728\u8bc4\u8bba\u7559\u8a00\u63d0\u51fa\uff01\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p>Linux linkwatch \u8fdb\u7a0b\u7684\u4f5c\u7528\u548c\u8fd0\u884c\u673a\u5236<\/p>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0clinkwatch \u8fdb\u7a0b\u662f\u4e00\u4e2a\u8d1f\u8d23\u76d1\u6d4b\u7f51\u7edc\u8fde\u63a5\u72b6\u6001\u7684\u5b88\u62a4\u8fdb\u7a0b\uff0c\u5176\u4e3b\u8981\u4f5c\u7528\u662f\u5728\u7f51\u7edc\u63a5\u53e3\u72b6\u6001\u6539\u53d8\u65f6\uff0c\u5373\u8fde\u63a5\u6216\u65ad\u5f00\u65f6\u8fdb\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002linkwatch \u8fdb\u7a0b\u901a\u8fc7\u76d1\u542c\u7f51\u7edc\u63a5\u53e3\u72b6\u6001\u53d8\u5316\u6765\u5b9e\u73b0\u5bf9\u7f51\u7edc\u8fde\u63a5\u7684\u5b9e\u65f6\u76d1\u63a7\uff0c\u5e76\u6839\u636e\u72b6\u6001\u53d8\u5316\u505a\u51fa\u76f8\u5e94\u7684\u5904\u7406\u3002<\/p>\n<h2>linkwatch \u8fdb\u7a0b\u7684\u4f5c\u7528\uff1a<\/h2>\n<ol>\n<li>\u76d1\u6d4b\u7f51\u7edc\u8fde\u63a5\u72b6\u6001\uff1alinkwatch \u8fdb\u7a0b\u4f1a\u6301\u7eed\u76d1\u542c\u7f51\u7edc\u63a5\u53e3\u7684\u72b6\u6001\u53d8\u5316\uff0c\u5305\u62ec\u7f51\u7edc\u8fde\u63a5\u7684\u5efa\u7acb\u3001\u65ad\u5f00\u4ee5\u53ca\u91cd\u65b0\u8fde\u63a5\u7b49\u60c5\u51b5\u3002<\/li>\n<li>\u5904\u7406\u7f51\u7edc\u8fde\u63a5\u4e8b\u4ef6\uff1a\u5728\u63a5\u6536\u5230\u7f51\u7edc\u63a5\u53e3\u72b6\u6001\u53d8\u5316\u7684\u901a\u77e5\u540e\uff0clinkwatch \u8fdb\u7a0b\u4f1a\u6839\u636e\u5177\u4f53\u7684\u4e8b\u4ef6\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\uff0c\u6bd4\u5982\u91cd\u65b0\u914d\u7f6e\u7f51\u7edc\u53c2\u6570\u3001\u89e6\u53d1\u5176\u4ed6\u670d\u52a1\u6216\u811a\u672c\u7684\u6267\u884c\u7b49\u3002<\/li>\n<li>\u63d0\u4f9b\u5b9e\u65f6\u7f51\u7edc\u72b6\u6001\u4fe1\u606f\uff1alinkwatch \u8fdb\u7a0b\u53ef\u4ee5\u5411\u7cfb\u7edf\u7ba1\u7406\u5458\u63d0\u4f9b\u5b9e\u65f6\u7684\u7f51\u7edc\u72b6\u6001\u4fe1\u606f\uff0c\u5e2e\u52a9\u7ba1\u7406\u5458\u53ca\u65f6\u4e86\u89e3\u7f51\u7edc\u8fde\u63a5\u7684\u60c5\u51b5\u5e76\u53ca\u65f6\u505a\u51fa\u8c03\u6574\u3002<\/li>\n<\/ol>\n<h2>linkwatch \u8fdb\u7a0b\u7684\u8fd0\u884c\u673a\u5236\uff1a<\/h2>\n<p>linkwatch \u8fdb\u7a0b\u901a\u8fc7\u76d1\u542c\u5185\u6838\u7684 Netlink socket \u5b9e\u73b0\u5bf9\u7f51\u7edc\u63a5\u53e3\u72b6\u6001\u7684\u5b9e\u65f6\u76d1\u63a7\u3002\u5f53\u7f51\u7edc\u63a5\u53e3\u72b6\u6001\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u5185\u6838\u4f1a\u53d1\u9001\u76f8\u5e94\u7684\u901a\u77e5\u6d88\u606f\u5230 linkwatch \u8fdb\u7a0b\uff0c\u901a\u77e5 linkwatch \u8fdb\u7a0b\u6709\u5173\u8fde\u63a5\u53d8\u5316\u7684\u5177\u4f53\u4fe1\u606f\u3002linkwatch \u8fdb\u7a0b\u63a5\u6536\u5230\u901a\u77e5\u540e\uff0c\u4fbf\u6839\u636e\u5177\u4f53\u7684\u4e8b\u4ef6\u7c7b\u578b\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528 Python \u7f16\u5199\u4e00\u4e2a\u6a21\u62df linkwatch \u8fdb\u7a0b\u7684\u7a0b\u5e8f\uff0c\u5b9e\u73b0\u5bf9\u7f51\u7edc\u63a5\u53e3\u72b6\u6001\u7684\u76d1\u63a7\u5e76\u8f93\u51fa\u72b6\u6001\u4fe1\u606f\uff1a<\/p>\n<pre>import socket\nimport struct\n\n# \u521b\u5efa Netlink socket\uff0c\u7528\u4e8e\u63a5\u6536\u5185\u6838\u7684\u901a\u77e5\nsock = socket.socket(socket.AF_NETLINK, socket.SOCK_RAW, socket.NETLINK_ROUTE)\nsock.bind((0, 0))\n\n# \u76d1\u542c\u7f51\u7edc\u63a5\u53e3\u72b6\u6001\u53d8\u5316\nwhile True:\n    data = sock.recv(65535)\n    _, _, _, _, msg_type, flags, seq, pid = struct.unpack(\"=IHHHBBII\", data[:20])\n\n    if msg_type == 16:  # RTM_NEWLINK\n        print(\"Network interface state changed: connected\")\n    elif msg_type == 17:  # RTM_DELLINK\n        print(\"Network interface state changed: disconnected\")<\/pre>\n<p>\u6b64\u4ee3\u7801\u793a\u4f8b\u6a21\u62df\u4e86 linkwatch \u8fdb\u7a0b\u7684\u57fa\u672c\u529f\u80fd\uff0c\u901a\u8fc7\u76d1\u542c Netlink socket \u63a5\u6536\u5230\u7684\u6d88\u606f\uff0c\u5224\u65ad\u7f51\u7edc\u63a5\u53e3\u72b6\u6001\u7684\u53d8\u5316\u5e76\u8f93\u51fa\u76f8\u5e94\u7684\u4fe1\u606f\u3002\u5b9e\u9645 linkwatch \u8fdb\u7a0b\u7684\u5b9e\u73b0\u4f1a\u66f4\u52a0\u590d\u6742\uff0c\u6d89\u53ca\u5230\u66f4\u591a\u7684\u7f51\u7edc\u72b6\u6001\u5904\u7406\u548c\u7ba1\u7406\u673a\u5236\u3002<\/p>\n<p>\u603b\u800c\u8a00\u4e4b\uff0cLinux linkwatch \u8fdb\u7a0b\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u7f51\u7edc\u8fde\u63a5\u76d1\u63a7\u5de5\u5177\uff0c\u901a\u8fc7\u5b9e\u65f6\u76d1\u542c\u7f51\u7edc\u63a5\u53e3\u72b6\u6001\u53d8\u5316\uff0c\u5e2e\u52a9\u7cfb\u7edf\u7ba1\u7406\u5458\u8ffd\u8e2a\u7f51\u7edc\u8fde\u63a5\u60c5\u51b5\uff0c\u4fdd\u8bc1\u7f51\u7edc\u7684\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u7814\u7a76 Linux linkwatch \u8fdb\u7a0b\u7684\u529f\u80fd\u548c\u8fd0\u884c\u539f\u7406\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u7c73\u4e91\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n<dl>\n<dt><\/dt>\n<dd>\n   \u5c06 JSON \u8f6c\u6362\u4e3a Go \u7ed3\u6784\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u7814\u7a76 Linux linkwatch \u8fdb\u7a0b\u7684\u529f\u80fd\u548c\u8fd0\u884c\u539f\u7406 \u6b22\u8fce\u5404\u4f4d\u5c0f\u4f19\u4f34\u6765\u5230\u7c73\u4e91\uff0c\u76f8\u805a\u4e8e\u6b64\u90fd\u662f\u7f18\u54c8\u54c8\u54c8\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\uff0c\u5982\u679c\u4f60\u5bf9\u6587\u7ae0\u76f8\u5173\u7684\u77e5\u8bc6\u975e\u5e38\u611f\u5174\u8da3\u6216\u8005\u6b63\u5728\u81ea\u5b66\uff0c\u90fd\u53ef\u4ee5\u5173\u6ce8\u6211\uff0c\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\uff01\u5f53\u7136\uff0c\u6709\u4ec0\u4e48\u5efa\u8bae\u4e5f\u6b22\u8fce\u5728\u8bc4\u8bba\u7559\u8a00\u63d0\u51fa\uff01\u4e00\u8d77\u5b66\u4e60\uff01 Linux linkwatch \u8fdb\u7a0b\u7684\u4f5c\u7528\u548c\u8fd0\u884c\u673a\u5236 \u5728Linux\u7cfb\u7edf\u4e2d\uff0clinkwatch \u8fdb\u7a0b\u662f\u4e00\u4e2a\u8d1f\u8d23\u76d1\u6d4b\u7f51\u7edc\u8fde\u63a5\u72b6\u6001\u7684\u5b88\u62a4\u8fdb\u7a0b\uff0c\u5176\u4e3b\u8981\u4f5c\u7528\u662f\u5728\u7f51\u7edc\u63a5\u53e3\u72b6\u6001\u6539\u53d8\u65f6\uff0c\u5373\u8fde\u63a5\u6216\u65ad\u5f00\u65f6\u8fdb\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002linkwatch \u8fdb\u7a0b\u901a\u8fc7\u76d1\u542c\u7f51\u7edc\u63a5\u53e3\u72b6\u6001\u53d8\u5316\u6765\u5b9e\u73b0\u5bf9\u7f51\u7edc\u8fde\u63a5\u7684\u5b9e\u65f6\u76d1\u63a7\uff0c\u5e76\u6839\u636e\u72b6\u6001\u53d8\u5316\u505a\u51fa\u76f8\u5e94\u7684\u5904\u7406\u3002 linkwatch \u8fdb\u7a0b\u7684\u4f5c\u7528\uff1a \u76d1\u6d4b\u7f51\u7edc\u8fde\u63a5\u72b6\u6001\uff1alinkwatch \u8fdb\u7a0b\u4f1a\u6301\u7eed\u76d1\u542c\u7f51\u7edc\u63a5\u53e3\u7684\u72b6\u6001\u53d8\u5316\uff0c\u5305\u62ec\u7f51\u7edc\u8fde\u63a5\u7684\u5efa\u7acb\u3001\u65ad\u5f00\u4ee5\u53ca\u91cd\u65b0\u8fde\u63a5\u7b49\u60c5\u51b5\u3002 \u5904\u7406\u7f51\u7edc\u8fde\u63a5\u4e8b\u4ef6\uff1a\u5728\u63a5\u6536\u5230\u7f51\u7edc\u63a5\u53e3\u72b6\u6001\u53d8\u5316\u7684\u901a\u77e5\u540e\uff0clinkwatch \u8fdb\u7a0b\u4f1a\u6839\u636e\u5177\u4f53\u7684\u4e8b\u4ef6\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\uff0c\u6bd4\u5982\u91cd\u65b0\u914d\u7f6e\u7f51\u7edc\u53c2\u6570\u3001\u89e6\u53d1\u5176\u4ed6\u670d\u52a1\u6216\u811a\u672c\u7684\u6267\u884c\u7b49\u3002 \u63d0\u4f9b\u5b9e\u65f6\u7f51\u7edc\u72b6\u6001\u4fe1\u606f\uff1alinkwatch \u8fdb\u7a0b\u53ef\u4ee5\u5411\u7cfb\u7edf\u7ba1\u7406\u5458\u63d0\u4f9b\u5b9e\u65f6\u7684\u7f51\u7edc\u72b6\u6001\u4fe1\u606f\uff0c\u5e2e\u52a9\u7ba1\u7406\u5458\u53ca\u65f6\u4e86\u89e3\u7f51\u7edc\u8fde\u63a5\u7684\u60c5\u51b5\u5e76\u53ca\u65f6\u505a\u51fa\u8c03\u6574\u3002 linkwatch \u8fdb\u7a0b\u7684\u8fd0\u884c\u673a\u5236\uff1a linkwatch \u8fdb\u7a0b\u901a\u8fc7\u76d1\u542c\u5185\u6838\u7684 Netlink socket \u5b9e\u73b0\u5bf9\u7f51\u7edc\u63a5\u53e3\u72b6\u6001\u7684\u5b9e\u65f6\u76d1\u63a7\u3002\u5f53\u7f51\u7edc\u63a5\u53e3\u72b6\u6001\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u5185\u6838\u4f1a\u53d1\u9001\u76f8\u5e94\u7684\u901a\u77e5\u6d88\u606f\u5230 linkwatch \u8fdb\u7a0b\uff0c\u901a\u77e5 linkwatch \u8fdb\u7a0b\u6709\u5173\u8fde\u63a5\u53d8\u5316\u7684\u5177\u4f53\u4fe1\u606f\u3002linkwatch \u8fdb\u7a0b\u63a5\u6536\u5230\u901a\u77e5\u540e\uff0c\u4fbf\u6839\u636e\u5177\u4f53\u7684\u4e8b\u4ef6\u7c7b\u578b\u6267\u884c\u76f8\u5e94\u7684\u64cd\u4f5c\u3002 \u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528 Python \u7f16\u5199\u4e00\u4e2a\u6a21\u62df linkwatch \u8fdb\u7a0b\u7684\u7a0b\u5e8f\uff0c\u5b9e\u73b0\u5bf9\u7f51\u7edc\u63a5\u53e3\u72b6\u6001\u7684\u76d1\u63a7\u5e76\u8f93\u51fa\u72b6\u6001\u4fe1\u606f\uff1a import socket import struct # \u521b\u5efa Netlink socket\uff0c\u7528\u4e8e\u63a5\u6536\u5185\u6838\u7684\u901a\u77e5 sock = socket.socket(socket.AF_NETLINK, socket.SOCK_RAW, socket.NETLINK_ROUTE) sock.bind((0, 0)) # \u76d1\u542c\u7f51\u7edc\u63a5\u53e3\u72b6\u6001\u53d8\u5316 while True: [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-51507","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51507","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=51507"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51507\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51507"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51507"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51507"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}