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comparison host/admin/src/private/tools/admin.html.luan @ 1995:301a6561fb6b

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add host/admin
author Franklin Schmidt <fschmidt@gmail.com>
date Fri, 04 Jul 2025 10:25:38 -0600
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1994:035996323891 1995:301a6561fb6b
1 require "site:/init.luan"
2 local Luan = require "luan:Luan.luan"
3 local error = Luan.error
4 local Io = require "luan:Io.luan"
5 local uri = Io.uri or error()
6 local String = require "luan:String.luan"
7 local Http = require "luan:http/Http.luan"
8 require "java"
9 local Runtime = require "java:java.lang.Runtime"
10 local System = require "java:java.lang.System"
11 local Server = require "java:goodjava.webserver.Server"
12
13
14 return function()
15 local action = Http.request.parameters.action
16 if action == "gc" then
17 System.gc()
18 Http.response.send_redirect "admin.html"
19 return
20 end
21
22 Io.stdout = Http.response.text_writer()
23
24 local oneMega = 1024 * 1024;
25 local free = Runtime.getRuntime().freeMemory() / oneMega;
26 local total = Runtime.getRuntime().totalMemory() / oneMega;
27 local used = total - free;
28
29 local loadAverage = uri("os:uptime").read_text()
30 --local loadAverage = new String(result).replaceAll(".*average:","");
31
32 local threadPool = Server.threadPool
33 local threads = threadPool.getPoolSize()
34 local active_threads = threadPool.getActiveCount()
35 %>
36 <!doctype html>
37 <html lang="en">
38 <body>
39
40 <table>
41 <tr>
42 <td>Free Memory</td>
43 <td>
44 <%=String.format("%.2f",free)%> Mb
45 </td>
46 </tr>
47 <tr>
48 <td>Used Memory</td>
49 <td><%=String.format("%.2f",used)%> Mb</td>
50 </tr>
51 <tr>
52 <td>Total Memory</td>
53 <td><%=String.format("%.2f",total)%> Mb</td>
54 </tr>
55 <tr>
56 <td>Load Average</td>
57 <td><%=loadAverage%></td>
58 </tr>
59 <tr>
60 <td>Threads</td>
61 <td><%= active_threads %> active, <%= threads - active_threads %> idle</td>
62 </tr>
63 <table>
64
65 <p><a href="admin.html?action=gc">Run GC</a></p>
66
67 </body>
68 </html>
69 <%
70 end