{"id":31678,"date":"2024-11-25T15:20:43","date_gmt":"2024-11-25T07:20:43","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=22592"},"modified":"2024-11-25T15:20:43","modified_gmt":"2024-11-25T07:20:43","slug":"%e6%8e%a2%e7%b4%a2ebpf%e5%9c%a8%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%bb%9f%e4%b8%ad%e7%9a%84%e5%85%b3%e9%94%ae%e4%bd%9c%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/31678.html","title":{"rendered":"\u63a2\u7d22eBPF\u5728\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u5173\u952e\u4f5c\u7528"},"content":{"rendered":"

\t\t\t\teBPF<\/a>\uff08Extended Berkeley Packet Filter\uff09\u4f5c\u4e3a\u4e00\u79cd\u65b0\u5174\u7684\u6280\u672f\uff0c\u6b63\u5728\u9010\u6e10\u6539\u53d8\u64cd\u4f5c\u7cfb\u7edf\u7684\u76d1\u63a7\u3001\u7f51\u7edc\u548c\u5b89\u5168\u9886\u57df\u3002\u5b83\u4e0d\u4ec5\u6269\u5c55\u4e86\u4f20\u7edf\u7684BPF\uff08Berkeley Packet Filter\uff09\u529f\u80fd\uff0c\u8fd8\u5728\u5185\u6838\u5c42\u9762\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u53ef\u7f16\u7a0b\u6027\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8eBPF<\/a>\u5728\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u5173\u952e\u4f5c\u7528\uff0c\u6db5\u76d6\u5176\u6280\u672f\u80cc\u666f\u3001\u6838\u5fc3\u7279\u6027\u3001\u5e94\u7528\u573a\u666f\u53ca\u672a\u6765\u53d1\u5c55\u8d8b\u52bf\u3002<\/p>\n\n\n\n\n

\u6280\u672f\u80cc\u666f<\/h3>\n\n\n\n\n

BPF\u6700\u521d\u7531Steven McCanne\u548cVan Jacobson\u57281992\u5e74\u63d0\u51fa\uff0c\u4e3b\u8981\u7528\u4e8e\u7f51\u7edc\u5305\u8fc7\u6ee4\u3002\u968f\u7740Linux\u5185\u6838\u7684\u53d1\u5c55\uff0cBPF\u9010\u6e10\u6f14\u53d8\u4e3aeBPF\uff0c\u6210\u4e3a\u4e00\u79cd\u901a\u7528\u7684\u5185\u6838\u865a\u62df\u673a\u3002eBPF\u4e0d\u4ec5\u652f\u6301\u7f51\u7edc\u5305\u8fc7\u6ee4\uff0c\u8fd8\u80fd\u6267\u884c\u66f4\u590d\u6742\u7684\u4efb\u52a1\uff0c\u5982\u6027\u80fd\u76d1\u63a7\u3001\u5b89\u5168\u5ba1\u8ba1\u548c\u6d41\u91cf\u63a7\u5236\u3002<\/p>\n\n\n\n\n\n\n\n\n

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

eBPF\u7684\u6838\u5fc3\u601d\u60f3\u662f\u5c06\u7528\u6237\u7f16\u5199\u7684\u7a0b\u5e8f\u52a0\u8f7d\u5230\u5185\u6838\u4e2d\uff0c\u5e76\u5728\u7279\u5b9a\u7684\u94a9\u5b50\u70b9\uff08\u5982\u7cfb\u7edf\u8c03\u7528\u3001\u7f51\u7edc\u4e8b\u4ef6\u7b49\uff09\u6267\u884c\u3002\u8fd9\u4e9b\u7a0b\u5e8f\u7ecf\u8fc7\u4e25\u683c\u7684\u9a8c\u8bc1\u548c\u6c99\u76d2\u5316\uff0c\u786e\u4fdd\u4e0d\u4f1a\u5f71\u54cd\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n\n

\u6838\u5fc3\u7279\u6027<\/h3>\n\n\n\n\n

1. \u9ad8\u6548\u7684\u6027\u80fd<\/h4>\n\n\n\n\n

eBPF\u7a0b\u5e8f\u5728\u5185\u6838\u7a7a\u95f4\u8fd0\u884c\uff0c\u907f\u514d\u4e86\u7528\u6237\u7a7a\u95f4\u4e0e\u5185\u6838\u7a7a\u95f4\u4e4b\u95f4\u7684\u9891\u7e41\u5207\u6362\uff0c\u663e\u8457\u964d\u4f4e\u4e86\u5ef6\u8fdf\u3002\u6b64\u5916\uff0ceBPF\u7a0b\u5e8f\u5728JIT\uff08Just-In-Time\uff09\u7f16\u8bd1\u5668\u7684\u5e2e\u52a9\u4e0b\uff0c\u80fd\u591f\u76f4\u63a5\u8f6c\u6362\u4e3a\u9ad8\u6548\u7684\u673a\u5668\u7801\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u6267\u884c\u6548\u7387\u3002<\/p>\n\n\n\n\n

2. \u5f3a\u5927\u7684\u53ef\u7f16\u7a0b\u6027<\/h4>\n\n\n\n\n

eBPF\u63d0\u4f9b\u4e86\u4e00\u5957\u4e30\u5bcc\u7684\u6307\u4ee4\u96c6\u548cAPI\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u7f16\u5199\u590d\u6742\u7684\u5185\u6838\u7a0b\u5e8f\u3002\u8fd9\u4e9b\u7a0b\u5e8f\u53ef\u4ee5\u8bbf\u95ee\u5185\u6838\u7684\u5404\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u8fdb\u884c\u6570\u636e\u91c7\u96c6\u3001\u5904\u7406\u548c\u5206\u6790\u3002<\/p>\n\n\n\n\n

3. \u5b89\u5168\u6027<\/h4>\n\n\n\n\n

eBPF\u7a0b\u5e8f\u5728\u52a0\u8f7d\u524d\u4f1a\u7ecf\u8fc7\u4e25\u683c\u7684\u9a8c\u8bc1\uff0c\u786e\u4fdd\u5176\u4e0d\u4f1a\u5f15\u53d1\u5185\u6838\u5d29\u6e83\u6216\u5b89\u5168\u95ee\u9898\u3002\u9a8c\u8bc1\u8fc7\u7a0b\u5305\u62ec\u68c0\u67e5\u7a0b\u5e8f\u7684\u63a7\u5236\u6d41\u3001\u5185\u5b58\u8bbf\u95ee\u548c\u6267\u884c\u65f6\u95f4\u7b49\u3002<\/p>\n\n\n\n\n

4. \u6a21\u5757\u5316\u8bbe\u8ba1<\/h4>\n\n\n\n\n

eBPF\u91c7\u7528\u6a21\u5757\u5316\u8bbe\u8ba1\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u7f16\u5199\u72ec\u7acb\u7684eBPF\u7a0b\u5e8f\uff0c\u5e76\u901a\u8fc7_maps_\uff08\u5982\u54c8\u5e0c\u8868\u3001\u6570\u7ec4\u7b49\uff09\u8fdb\u884c\u6570\u636e\u5171\u4eab\u3002\u8fd9\u79cd\u8bbe\u8ba1\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u91cd\u7528\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n\n\n\n\n

\u5e94\u7528\u573a\u666f<\/h3>\n\n\n\n\n

1. \u7f51\u7edc\u76d1\u63a7\u4e0e\u6d41\u91cf\u63a7\u5236<\/h4>\n\n\n\n\n

eBPF\u5728\u7f51\u7edc\u76d1\u63a7\u548c\u6d41\u91cf\u63a7\u5236\u65b9\u9762\u8868\u73b0\u51fa\u8272\u3002\u901a\u8fc7\u5728\u5185\u6838\u4e2d\u63d2\u5165eBPF\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u5b9e\u65f6\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\uff0c\u8fdb\u884c\u5305\u8fc7\u6ee4\u3001\u6d41\u91cf\u5206\u6790\u7b49\u64cd\u4f5c\u3002\u4f8b\u5982\uff0cCilium\u9879\u76ee\u5229\u7528eBPF\u5b9e\u73b0\u4e86\u9ad8\u6548\u7684\u7f51\u7edc\u7b56\u7565\u548c\u8d1f\u8f7d\u5747\u8861\u3002<\/p>\n\n\n\n\n

2. \u6027\u80fd\u76d1\u63a7<\/h4>\n\n\n\n\n

eBPF\u53ef\u4ee5\u7528\u4e8e\u7cfb\u7edf\u6027\u80fd\u76d1\u63a7\uff0c\u63d0\u4f9b\u7ec6\u7c92\u5ea6\u7684\u6027\u80fd\u6570\u636e\u3002\u5de5\u5177\u5982bcc\uff08BPF Compiler Collection\uff09\u548cbpftrace\u5141\u8bb8\u5f00\u53d1\u8005\u7f16\u5199eBPF\u7a0b\u5e8f\uff0c\u76d1\u63a7\u7cfb\u7edf\u8c03\u7528\u3001CPU\u4f7f\u7528\u7387\u3001I\/O\u64cd\u4f5c\u7b49\u3002\u8fd9\u4e9b\u6570\u636e\u5bf9\u4e8e\u8bca\u65ad\u6027\u80fd\u74f6\u9888\u548c\u4f18\u5316\u7cfb\u7edf\u914d\u7f6e\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n\n

3. \u5b89\u5168\u5ba1\u8ba1<\/h4>\n\n\n\n\n

eBPF\u5728\u5b89\u5168\u5ba1\u8ba1\u9886\u57df\u4e5f\u5c55\u73b0\u51fa\u5de8\u5927\u6f5c\u529b\u3002\u901a\u8fc7\u76d1\u63a7\u7cfb\u7edf\u8c03\u7528\u548c\u5185\u6838\u4e8b\u4ef6\uff0ceBPF\u7a0b\u5e8f\u53ef\u4ee5\u68c0\u6d4b\u5f02\u5e38\u884c\u4e3a\uff0c\u5982\u672a\u7ecf\u6388\u6743\u7684\u6587\u4ef6\u8bbf\u95ee\u3001\u5f02\u5e38\u7684\u7f51\u7edc\u8fde\u63a5\u7b49\u3002\u5b89\u5168\u5de5\u5177\u5982Falco\u5229\u7528eBPF\u5b9e\u73b0\u4e86\u9ad8\u6548\u7684\u5b89\u5168\u76d1\u63a7\u548c\u5a01\u80c1\u68c0\u6d4b\u3002<\/p>\n\n\n\n\n

4. \u670d\u52a1\u7f51\u683c<\/h4>\n\n\n\n\n

\u5728\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\uff0c\u670d\u52a1\u7f51\u683c\uff08Service Mesh\uff09\u8d1f\u8d23\u7ba1\u7406\u670d\u52a1\u95f4\u7684\u901a\u4fe1\u3002eBPF\u4e3a\u670d\u52a1\u7f51\u683c\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u6d41\u91cf\u7ba1\u7406\u548c\u76d1\u63a7\u80fd\u529b\u3002\u4f8b\u5982\uff0cIstio\u9879\u76ee\u901a\u8fc7\u96c6\u6210eBPF\uff0c\u5b9e\u73b0\u4e86\u66f4\u7ec6\u7c92\u5ea6\u7684\u6d41\u91cf\u63a7\u5236\u548c\u6027\u80fd\u4f18\u5316\u3002<\/p>\n\n\n\n\n

\u5b9e\u73b0\u539f\u7406<\/h3>\n\n\n\n\n

1. eBPF\u7a0b\u5e8f\u7684\u751f\u547d\u5468\u671f<\/h4>\n\n\n\n\n

eBPF\u7a0b\u5e8f\u7684\u751f\u547d\u5468\u671f\u5305\u62ec\u7f16\u5199\u3001\u7f16\u8bd1\u3001\u52a0\u8f7d\u3001\u9a8c\u8bc1\u548c\u6267\u884c\u7b49\u9636\u6bb5\u3002\u5f00\u53d1\u8005\u901a\u5e38\u4f7f\u7528\u9ad8\u7ea7\u8bed\u8a00\uff08\u5982C\u6216Rust\uff09\u7f16\u5199eBPF\u7a0b\u5e8f\uff0c\u7136\u540e\u901a\u8fc7\u7f16\u8bd1\u5668\u8f6c\u6362\u4e3aeBPF\u5b57\u8282\u7801\u3002\u52a0\u8f7d\u5230\u5185\u6838\u540e\uff0ceBPF\u7a0b\u5e8f\u4f1a\u7ecf\u8fc7\u9a8c\u8bc1\u5668\u7684\u68c0\u67e5\uff0c\u786e\u4fdd\u5176\u5b89\u5168\u6027\u3002\u901a\u8fc7\u9a8c\u8bc1\u540e\uff0c\u7a0b\u5e8f\u4f1a\u88abJIT\u7f16\u8bd1\u5668\u8f6c\u6362\u4e3a\u673a\u5668\u7801\uff0c\u5e76\u6302\u8f7d\u5230\u7279\u5b9a\u7684\u94a9\u5b50\u70b9\u6267\u884c\u3002<\/p>\n\n\n\n\n

2. eBPF Maps<\/h4>\n\n\n\n\n

eBPF Maps\u662feBPF\u7a0b\u5e8f\u7528\u4e8e\u5b58\u50a8\u548c\u5171\u4eab\u6570\u636e\u7684\u5173\u952e\u6570\u636e\u7ed3\u6784\u3002\u5e38\u89c1\u7684eBPF Maps\u5305\u62ec\u54c8\u5e0c\u8868\u3001\u6570\u7ec4\u3001\u73af\u5f62\u7f13\u51b2\u533a\u7b49\u3002\u901a\u8fc7Maps\uff0ceBPF\u7a0b\u5e8f\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u6301\u4e45\u5316\u3001\u5171\u4eab\u548c\u9ad8\u6548\u8bbf\u95ee\u3002<\/p>\n\n\n\n\n

3. eBPF\u94a9\u5b50\u70b9<\/h4>\n\n\n\n\n

eBPF\u7a0b\u5e8f\u53ef\u4ee5\u6302\u8f7d\u5230\u5185\u6838\u4e2d\u7684\u5404\u79cd\u94a9\u5b50\u70b9\uff0c\u5982\u7cfb\u7edf\u8c03\u7528\u3001\u7f51\u7edc\u4e8b\u4ef6\u3001\u8ddf\u8e2a\u70b9\u7b49\u3002\u8fd9\u4e9b\u94a9\u5b50\u70b9\u4e3aeBPF\u7a0b\u5e8f\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\uff0c\u4f7f\u5176\u80fd\u591f\u6267\u884c\u590d\u6742\u7684\u76d1\u63a7\u548c\u5206\u6790\u4efb\u52a1\u3002<\/p>\n\n\n\n\n

\u6848\u4f8b\u5206\u6790<\/h3>\n\n\n\n\n

1. Cilium<\/h4>\n\n\n\n\n

Cilium\u662f\u4e00\u4e2a\u57fa\u4e8eeBPF\u7684\u7f51\u7edc\u548c\u5b89\u5168\u9879\u76ee\uff0c\u4e13\u4e3a\u5bb9\u5668\u548c\u5fae\u670d\u52a1\u67b6\u6784\u8bbe\u8ba1\u3002\u5b83\u5229\u7528eBPF\u5b9e\u73b0\u4e86\u9ad8\u6548\u7684\u7f51\u7edc\u7b56\u7565\u3001\u8d1f\u8f7d\u5747\u8861\u548c\u6d41\u91cf\u76d1\u63a7\u3002Cilium\u7684eBPF\u7a0b\u5e8f\u5728\u5185\u6838\u4e2d\u76f4\u63a5\u5904\u7406\u7f51\u7edc\u5305\uff0c\u907f\u514d\u4e86\u4f20\u7edf\u7f51\u7edc\u5de5\u5177\u7684\u6027\u80fd\u74f6\u9888\u3002<\/p>\n\n\n\n\n

2. bpftrace<\/h4>\n\n\n\n\n

bpftrace\u662f\u4e00\u4e2a\u5f3a\u5927\u7684eBPF\u8ddf\u8e2a\u5de5\u5177\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u7f16\u5199\u7b80\u5355\u7684\u811a\u672c\u6765\u76d1\u63a7\u5185\u6838\u4e8b\u4ef6\u3002\u901a\u8fc7bpftrace\uff0c\u53ef\u4ee5\u8f7b\u677e\u83b7\u53d6\u7cfb\u7edf\u8c03\u7528\u3001CPU\u4f7f\u7528\u7387\u3001I\/O\u64cd\u4f5c\u7b49\u6570\u636e\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u5feb\u901f\u8bca\u65ad\u6027\u80fd\u95ee\u9898\u3002<\/p>\n\n\n\n\n

3. Falco<\/h4>\n\n\n\n\n

Falco\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5bb9\u5668\u5b89\u5168\u76d1\u63a7\u5de5\u5177\uff0c\u5229\u7528eBPF\u5b9e\u73b0\u4e86\u7ec6\u7c92\u5ea6\u7684\u5b89\u5168\u5ba1\u8ba1\u3002\u5b83\u901a\u8fc7\u76d1\u63a7\u7cfb\u7edf\u8c03\u7528\u548c\u5185\u6838\u4e8b\u4ef6\uff0c\u68c0\u6d4b\u5f02\u5e38\u884c\u4e3a\u548c\u6f5c\u5728\u5a01\u80c1\uff0c\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5b89\u5168\u9632\u62a4\u80fd\u529b\u3002<\/p>\n\n\n\n\n

\u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/h3>\n\n\n\n\n

1. \u66f4\u5e7f\u6cdb\u7684\u5e94\u7528\u573a\u666f<\/h4>\n\n\n\n\n

\u968f\u7740eBPF\u6280\u672f\u7684\u4e0d\u65ad\u6210\u719f\uff0c\u5176\u5e94\u7528\u573a\u666f\u5c06\u66f4\u52a0\u5e7f\u6cdb\u3002\u672a\u6765\uff0ceBPF\u6709\u671b\u5728\u5b58\u50a8\u4f18\u5316\u3001\u5185\u6838\u8c03\u8bd5\u3001\u5206\u5e03\u5f0f\u8ffd\u8e2a<\/a>\u7b49\u9886\u57df\u53d1\u6325\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n\n\n\n\n

2. \u66f4\u9ad8\u6548\u7684\u6027\u80fd\u4f18\u5316<\/h4>\n\n\n\n\n

eBPF\u7684JIT\u7f16\u8bd1\u5668\u548c\u5185\u6838\u4f18\u5316\u6280\u672f\u5c06\u7ee7\u7eed\u63d0\u5347\u5176\u6027\u80fd\uff0c\u4f7f\u5176\u5728\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u548c\u590d\u6742\u4efb\u52a1\u65f6\u66f4\u52a0\u9ad8\u6548\u3002<\/p>\n\n\n\n\n

3. \u66f4\u5b8c\u5584\u7684\u5b89\u5168\u673a\u5236<\/h4>\n\n\n\n\n

eBPF\u7684\u5b89\u5168\u9a8c\u8bc1\u673a\u5236\u5c06\u8fdb\u4e00\u6b65\u589e\u5f3a\uff0c\u786e\u4fddeBPF\u7a0b\u5e8f\u5728\u5185\u6838\u4e2d\u7684\u5b89\u5168\u8fd0\u884c\u3002\u540c\u65f6\uff0ceBPF\u5728\u5b89\u5168\u76d1\u63a7\u548c\u5a01\u80c1\u68c0\u6d4b\u65b9\u9762\u7684\u5e94\u7528\u5c06\u66f4\u52a0\u6df1\u5165\u3002<\/p>\n\n\n\n\n

4. \u66f4\u597d\u7684\u751f\u6001\u652f\u6301<\/h4>\n\n\n\n\n

\u968f\u7740eBPF\u793e\u533a\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u76f8\u5173\u7684\u5de5\u5177\u548c\u5e93\u5c06\u66f4\u52a0\u4e30\u5bcc\uff0c\u5f00\u53d1\u8005\u7684\u4f7f\u7528\u4f53\u9a8c\u5c06\u8fdb\u4e00\u6b65\u63d0\u5347\u3002\u540c\u65f6\uff0c\u4e3b\u6d41\u64cd\u4f5c\u7cfb\u7edf\u548c\u4e91\u5e73\u53f0\u5bf9eBPF\u7684\u652f\u6301\u4e5f\u5c06\u66f4\u52a0\u5b8c\u5584\u3002<\/p>\n\n\n\n\n

\u603b\u7ed3<\/h3>\n\n\n\n\n

eBPF\u4f5c\u4e3a\u4e00\u79cd\u65b0\u5174\u7684\u5185\u6838\u6280\u672f\uff0c\u6b63\u5728\u9010\u6b65\u6539\u53d8\u64cd\u4f5c\u7cfb\u7edf\u7684\u76d1\u63a7\u3001\u7f51\u7edc\u548c\u5b89\u5168\u9886\u57df\u3002\u5176\u9ad8\u6548\u6027\u80fd\u3001\u5f3a\u5927\u53ef\u7f16\u7a0b\u6027\u548c\u5b89\u5168\u6027\u4f7f\u5176\u5728\u591a\u4e2a\u5e94\u7528\u573a\u666f\u4e2d\u5c55\u73b0\u51fa\u5de8\u5927\u6f5c\u529b\u3002\u901a\u8fc7\u6df1\u5165\u4e86\u89e3eBPF\u7684\u6280\u672f\u80cc\u666f\u3001\u6838\u5fc3\u7279\u6027\u548c\u5e94\u7528\u6848\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u597d\u5730\u5229\u7528\u8fd9\u4e00\u6280\u672f\uff0c\u63d0\u5347\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002\u672a\u6765\uff0c\u968f\u7740eBPF\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\u548c\u751f\u6001\u7684\u5b8c\u5584\uff0c\u5176\u5c06\u5728\u66f4\u591a\u9886\u57df\u53d1\u6325\u5173\u952e\u4f5c\u7528\uff0c\u4e3a\u64cd\u4f5c\u7cfb\u7edf\u7684\u6f14\u8fdb\u5e26\u6765\u65b0\u7684\u673a\u9047\u3002<\/p>\n\n\n]]>\t\t<\/p>\n","protected":false},"excerpt":{"rendered":"

\t\t\t\t\t\t<\/p>\n","protected":false},"author":5,"featured_media":22593,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-31678","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-discussion"],"_links":{"self":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/31678","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/comments?post=31678"}],"version-history":[{"count":0,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/31678\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media\/22593"}],"wp:attachment":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media?parent=31678"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/categories?post=31678"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/tags?post=31678"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}