Mercurial Hosting > nabble

comparison src/nabble/view/web/tools/Index.java @ 0:7ecd1a4ef557

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
add content
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 21 Mar 2019 19:15:52 -0600
parents
children 22a701699b2a
comparison
equal deleted inserted replaced
-1:000000000000 0:7ecd1a4ef557
1
2 package nabble.view.web.tools;
3
4 import fschmidt.util.java.IoUtils;
5 import fschmidt.util.servlet.ConnectionLimitFilter;
6 import nabble.model.Executors;
7 import nabble.model.ModelHome;
8 import nabble.model.ViewCount;
9 import nabble.model.export.Export;
10 import nabble.view.lib.UrlMappable;
11 import nabble.view.web.template.NabbleNamespace;
12 import nabble.view.web.user.OnlineStatus;
13 import org.slf4j.Logger;
14 import org.slf4j.LoggerFactory;
15
16 import javax.servlet.ServletException;
17 import javax.servlet.http.HttpServlet;
18 import javax.servlet.http.HttpServletRequest;
19 import javax.servlet.http.HttpServletResponse;
20 import java.io.IOException;
21 import java.io.InputStream;
22 import java.io.PrintWriter;
23 import java.text.DecimalFormat;
24 import java.util.Collections;
25 import java.util.Date;
26 import java.util.Map;
27 import java.util.Set;
28 import java.util.regex.Pattern;
29
30
31 public final class Index extends HttpServlet implements UrlMappable {
32
33 private static final Logger logger = LoggerFactory.getLogger(Index.class);
34
35 private static final DecimalFormat FORMATTER = new DecimalFormat("0.00");
36 private static final Pattern URL_PATTERN = Pattern.compile("://[^/]+/tools/$");
37
38 private static String path() {
39 return "/tools/";
40 }
41
42 public Map<String,String[]> getParameterMapFromUrl(HttpServletRequest request,String mappedUrl) {
43 return Collections.emptyMap();
44 }
45
46 public Pattern getUrlPattern() {
47 return URL_PATTERN;
48 }
49
50 protected void service(HttpServletRequest request,HttpServletResponse response)
51 throws ServletException, IOException
52 {
53 PrintWriter out = response.getWriter();
54 float oneMega = 1024f * 1024f;
55 float free = Runtime.getRuntime().freeMemory() / oneMega;
56 float total = Runtime.getRuntime().totalMemory() / oneMega;
57 float used = total - free;
58
59 String loadAverage = null;
60 try {
61 Process process = Runtime.getRuntime().exec("uptime");
62 InputStream input = process.getInputStream();
63 byte[] result = IoUtils.readAll(input);
64 input.close();
65 loadAverage = new String(result).replaceAll(".*average:","");
66 } catch(IOException e) {} // not on linux
67
68 Map<java.lang.Thread, java.lang.StackTraceElement[]> m = Thread.getAllStackTraces();
69 int socketRead = 0;
70 int idleThread = 0;
71 int sleepingThread = 0;
72 for (Map.Entry<Thread, StackTraceElement[]> entry : m.entrySet()) {
73 StackTraceElement[] trace = entry.getValue();
74 if (trace.length > 0) {
75 String firstTrace = trace[0].toString();
76 if (firstTrace.equals("java.net.SocketInputStream.socketRead0(Native Method)"))
77 socketRead++;
78 else if (firstTrace.equals("java.lang.Thread.sleep(Native Method)"))
79 sleepingThread++;
80 else if (firstTrace.equals("java.lang.Object.wait(Native Method)"))
81 idleThread++;
82 }
83 }
84
85 long viewCountDiffMillis = System.currentTimeMillis() - ViewCount.lastSaved;
86 float minutesSinceLastSaved = viewCountDiffMillis / 60000f;
87
88 long digestDiffMillis = System.currentTimeMillis() - ModelHome.lastDigestRun;
89 float hoursSinceLastDigestRun = digestDiffMillis / 3600000f;
90
91 out.print( "\r\n<html>\r\n <head>\r\n <title>Nabble tools</title>\r\n <style type=\"text/css\">\r\n .gray {\r\n background-color: #eeeeee;\r\n padding: .5em;\r\n }\r\n p { padding-left: .5em; }\r\n td.row-label {\r\n font-weight:bold;\r\n padding: .1em .4em .1em 0;\r\n }\r\n td.row-separator { padding-top: 1em; }\r\n\r\n td.category {\r\n font-variant:small-caps;\r\n text-align:center;\r\n padding: 0 .5em;\r\n }\r\n </style>\r\n <script type=\"text/javascript\">\r\n var months = [\"Jan\",\"Feb\",\"Mar\",\"Apr\",\"May\",\"Jun\",\"Jul\",\"Aug\",\"Sep\",\"Oct\",\"Nov\",\"Dec\"];\r\n function fmt(i) { return i <= 9? \"0\" + i : i; };\r\n function formatTime(date) {\r\n var hours = date.getHours();\r\n if( hours < 12 ) {\r\n var xm = \"am\";\r\n if (hours==0)\r\n hours = 12;\r\n } else {\r\n var xm = \"pm\";\r\n if (hours > 12)\r\n hours -= 12;\r\n }\r\n return fmt(hours) + \":\" + fmt(date.getMinutes()) + xm;\r\n };\r\n function formatDate(date) {\r\n return months[date.getMonth()] + \" \" + fmt(date.getDate()) + \", \" + date.getFullYear();\r\n };\r\n function formatDateTime(date) {\r\n return formatDate(date) + \"; \" + formatTime(date);\r\n };\r\n </script>\r\n </head>\r\n <body style=\"font: .8em Verdana, Serif;\">\r\n <p class=\"gray\">\r\n Built time =\r\n <b>\r\n <script type=\"text/javascript\">\r\n document.write(formatDateTime(new Date(" );
92 out.print( (new Date(ClassLoader.getSystemResource("nabble/view/web/Index.class").openConnection().getLastModified()).getTime()) );
93 out.print( ")));\r\n </script>\r\n </b>\r\n </p>\r\n\r\n <table style=\"font-size: 1em;\">\r\n <tr>\r\n <td class=\"category\" style=\"background-color:#fafafa;\">General</td>\r\n <td style=\"padding:.5em 0\">\r\n <p><a href=\"Admin.jtp\">Caches</a></p>\r\n <p><a href=\"shell.luan\">Shell</a> (<a href=\"ShellHelp.jtp\">\r\n <small>help</small>\r\n </a>)\r\n </p>\r\n <p><a href=\"run.luan\">Run Batch</a></p>\r\n <p><a href=\"SendMail.jtp\">Send mail</a></p>\r\n </td>\r\n </tr>\r\n <tr>\r\n <td class=\"category\" style=\"background-color:#e0e0e0;\">Sites</td>\r\n <td style=\"padding:.5em 0\">\r\n <p><a href=\"AdminNotice.jtp\">Administrator Notice</a></p>\r\n </td>\r\n </tr>\r\n <tr>\r\n <td class=\"category\" style=\"background-color:#d9d9d9;\">Others</td>\r\n <td style=\"padding:.5em 0\">\r\n <p><a href=\"TestMacro.jtp\">Test Macro</a></p>\r\n <p><a href=\"Profile.jtp\">Profiling</a></p>\r\n <p><a href=\"/tools2\">Generic tools</a></p>\r\n <p><a href=\"OnlineUsers.jtp\">Online Users</a></p>\r\n </td>\r\n </tr>\r\n </table>\r\n\r\n <div class=\"gray\" style=\"margin: 1em 0\">\r\n <table style=\"font-size:100%\">\r\n <tr>\r\n <td class=\"row-label\">Free Memory</td>\r\n <td>\r\n " );
94 out.print( (String.format("%.2f",free)) );
95 out.print( " Mb\r\n </td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Used Memory</td>\r\n <td>" );
96 out.print( (String.format("%.2f",used)) );
97 out.print( " Mb</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Total Memory</td>\r\n <td>" );
98 out.print( (String.format("%.2f",total)) );
99 out.print( " Mb</td>\r\n </tr>\r\n " );
100 if (loadAverage != null) {
101 out.print( "\r\n <tr>\r\n <td class=\"row-label\">Load Average</td>\r\n <td>" );
102 out.print( (loadAverage) );
103 out.print( "</td>\r\n </tr>\r\n " );
104 }
105 out.print( "\r\n <tr>\r\n <td class=\"row-label row-separator\">Pool Active Count</td>\r\n <td class=\"row-separator\">" );
106 out.print( (Executors.foregroundExecutor.getActiveCount()) );
107 out.print( " threads</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Pool Size</td>\r\n <td>" );
108 out.print( (Executors.foregroundExecutor.getPoolSize()) );
109 out.print( " threads</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Connection Limit</td>\r\n <td>" );
110 out.print( (ConnectionLimitFilter.counter.get()) );
111 out.print( "/" );
112 out.print( (ConnectionLimitFilter.max) );
113 out.print( " (" );
114 out.print( (ConnectionLimitFilter.queue.size()) );
115 out.print( ")</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Queue</td>\r\n <td>" );
116 out.print( (Executors.foregroundExecutor.getQueueSize()) );
117 out.print( " connections</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label row-separator\">Thread Count</td>\r\n <td class=\"row-separator\">" );
118 out.print( (m.size()) );
119 out.print( " threads</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Idle Threads</td>\r\n <td>" );
120 out.print( (idleThread) );
121 out.print( " threads are idle</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Database Threads</td>\r\n <td>" );
122 out.print( (socketRead) );
123 out.print( " socket reading</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Sleeping Threads</td>\r\n <td>" );
124 out.print( (sleepingThread) );
125 out.print( " threads are sleeping</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label row-separator\">Exporting</td>\r\n <td class=\"row-separator\">[" );
126 out.print( (csv(Export.exportSiteIds)) );
127 out.print( "]</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Backups Running</td>\r\n <td>[" );
128 out.print( (csv(NabbleNamespace.sitesRunningBackup)) );
129 out.print( "]</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Online users</td>\r\n <td>" );
130 out.print( (OnlineStatus.getOnlineStats()) );
131 out.print( "</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Views Last Saved</td>\r\n <td style=\"color:#" );
132 out.print( (minutesSinceLastSaved > 2f? "red":"black") );
133 out.print( "\">" );
134 out.print( (FORMATTER.format(minutesSinceLastSaved)) );
135 out.print( " minutes ago</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Last Digest Run</td>\r\n <td style=\"color:#" );
136 out.print( (hoursSinceLastDigestRun > 24f? "red":"black") );
137 out.print( "\">" );
138 out.print( (FORMATTER.format(hoursSinceLastDigestRun)) );
139 out.print( " hours ago</td>\r\n </tr>\r\n </table>\r\n </div>\r\n </body>\r\n</html>\r\n" );
140
141 }
142
143 private String csv(Set<Long> ids) {
144 Long[] idArray = ids.toArray(new Long[0]);
145 StringBuilder buf = new StringBuilder();
146 for (long id : idArray) {
147 if (buf.length() > 0)
148 buf.append(", ");
149 buf.append(id);
150 }
151 return buf.toString();
152 }
153 }
154