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2 package nabble.view.web.tools;
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3
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4 import fschmidt.util.java.IoUtils;
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5 import fschmidt.util.servlet.ConnectionLimitFilter;
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6 import nabble.model.Executors;
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7 import nabble.model.ModelHome;
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8 import nabble.model.ViewCount;
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9 import nabble.model.export.Export;
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10 import nabble.view.lib.UrlMappable;
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11 import nabble.view.web.template.NabbleNamespace;
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12 import nabble.view.web.user.OnlineStatus;
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13 import org.slf4j.Logger;
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14 import org.slf4j.LoggerFactory;
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15
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16 import javax.servlet.ServletException;
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17 import javax.servlet.http.HttpServlet;
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18 import javax.servlet.http.HttpServletRequest;
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19 import javax.servlet.http.HttpServletResponse;
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20 import java.io.IOException;
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21 import java.io.InputStream;
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22 import java.io.PrintWriter;
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23 import java.text.DecimalFormat;
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24 import java.util.Collections;
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25 import java.util.Date;
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26 import java.util.Map;
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27 import java.util.Set;
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28 import java.util.regex.Pattern;
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29
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30
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31 public final class Index extends HttpServlet implements UrlMappable {
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32
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33 private static final Logger logger = LoggerFactory.getLogger(Index.class);
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34
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35 private static final DecimalFormat FORMATTER = new DecimalFormat("0.00");
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36 private static final Pattern URL_PATTERN = Pattern.compile("://[^/]+/tools/$");
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37
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38 private static String path() {
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39 return "/tools/";
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40 }
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41
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42 public Map<String,String[]> getParameterMapFromUrl(HttpServletRequest request,String mappedUrl) {
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43 return Collections.emptyMap();
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44 }
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45
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46 public Pattern getUrlPattern() {
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47 return URL_PATTERN;
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48 }
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49
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50 protected void service(HttpServletRequest request,HttpServletResponse response)
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51 throws ServletException, IOException
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52 {
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53 PrintWriter out = response.getWriter();
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54 float oneMega = 1024f * 1024f;
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55 float free = Runtime.getRuntime().freeMemory() / oneMega;
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56 float total = Runtime.getRuntime().totalMemory() / oneMega;
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57 float used = total - free;
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58
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59 String loadAverage = null;
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60 try {
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61 Process process = Runtime.getRuntime().exec("uptime");
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62 InputStream input = process.getInputStream();
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63 byte[] result = IoUtils.readAll(input);
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64 input.close();
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65 loadAverage = new String(result).replaceAll(".*average:","");
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66 } catch(IOException e) {} // not on linux
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67
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68 Map<java.lang.Thread, java.lang.StackTraceElement[]> m = Thread.getAllStackTraces();
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69 int socketRead = 0;
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70 int idleThread = 0;
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71 int sleepingThread = 0;
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72 for (Map.Entry<Thread, StackTraceElement[]> entry : m.entrySet()) {
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73 StackTraceElement[] trace = entry.getValue();
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74 if (trace.length > 0) {
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75 String firstTrace = trace[0].toString();
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76 if (firstTrace.equals("java.net.SocketInputStream.socketRead0(Native Method)"))
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77 socketRead++;
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78 else if (firstTrace.equals("java.lang.Thread.sleep(Native Method)"))
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79 sleepingThread++;
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80 else if (firstTrace.equals("java.lang.Object.wait(Native Method)"))
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81 idleThread++;
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82 }
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83 }
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84
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85 long viewCountDiffMillis = System.currentTimeMillis() - ViewCount.lastSaved;
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86 float minutesSinceLastSaved = viewCountDiffMillis / 60000f;
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87
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88 long digestDiffMillis = System.currentTimeMillis() - ModelHome.lastDigestRun;
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89 float hoursSinceLastDigestRun = digestDiffMillis / 3600000f;
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90
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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(" );
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92 out.print( (new Date(ClassLoader.getSystemResource("nabble/view/web/Index.class").openConnection().getLastModified()).getTime()) );
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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 " );
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94 out.print( (String.format("%.2f",free)) );
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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>" );
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96 out.print( (String.format("%.2f",used)) );
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97 out.print( " Mb</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Total Memory</td>\r\n <td>" );
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98 out.print( (String.format("%.2f",total)) );
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99 out.print( " Mb</td>\r\n </tr>\r\n " );
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100 if (loadAverage != null) {
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101 out.print( "\r\n <tr>\r\n <td class=\"row-label\">Load Average</td>\r\n <td>" );
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102 out.print( (loadAverage) );
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103 out.print( "</td>\r\n </tr>\r\n " );
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104 }
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105 out.print( "\r\n <tr>\r\n <td class=\"row-label row-separator\">Pool Active Count</td>\r\n <td class=\"row-separator\">" );
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106 out.print( (Executors.foregroundExecutor.getActiveCount()) );
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107 out.print( " threads</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Pool Size</td>\r\n <td>" );
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108 out.print( (Executors.foregroundExecutor.getPoolSize()) );
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109 out.print( " threads</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Connection Limit</td>\r\n <td>" );
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110 out.print( (ConnectionLimitFilter.counter.get()) );
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111 out.print( "/" );
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112 out.print( (ConnectionLimitFilter.max) );
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113 out.print( " (" );
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114 out.print( (ConnectionLimitFilter.queue.size()) );
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115 out.print( ")</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Queue</td>\r\n <td>" );
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116 out.print( (Executors.foregroundExecutor.getQueueSize()) );
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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\">" );
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118 out.print( (m.size()) );
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119 out.print( " threads</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Idle Threads</td>\r\n <td>" );
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120 out.print( (idleThread) );
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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>" );
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122 out.print( (socketRead) );
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123 out.print( " socket reading</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Sleeping Threads</td>\r\n <td>" );
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124 out.print( (sleepingThread) );
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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\">[" );
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126 out.print( (csv(Export.exportSiteIds)) );
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127 out.print( "]</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Backups Running</td>\r\n <td>[" );
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128 out.print( (csv(NabbleNamespace.sitesRunningBackup)) );
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129 out.print( "]</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Online users</td>\r\n <td>" );
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130 out.print( (OnlineStatus.getOnlineStats()) );
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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:#" );
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132 out.print( (minutesSinceLastSaved > 2f? "red":"black") );
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133 out.print( "\">" );
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134 out.print( (FORMATTER.format(minutesSinceLastSaved)) );
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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:#" );
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136 out.print( (hoursSinceLastDigestRun > 24f? "red":"black") );
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137 out.print( "\">" );
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138 out.print( (FORMATTER.format(hoursSinceLastDigestRun)) );
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139 out.print( " hours ago</td>\r\n </tr>\r\n </table>\r\n </div>\r\n </body>\r\n</html>\r\n" );
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140
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141 }
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142
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143 private String csv(Set<Long> ids) {
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144 Long[] idArray = ids.toArray(new Long[0]);
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145 StringBuilder buf = new StringBuilder();
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146 for (long id : idArray) {
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147 if (buf.length() > 0)
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148 buf.append(", ");
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149 buf.append(id);
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150 }
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151 return buf.toString();
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152 }
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153 }
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154
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