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