Mercurial Hosting > nabble
view src/nabble/view/web/tools/Index.java @ 29:667e51ca939b
Disk Usage
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Fri, 03 Jul 2020 13:03:05 -0600 |
parents | 22a701699b2a |
children |
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package nabble.view.web.tools; import fschmidt.util.java.IoUtils; import fschmidt.util.servlet.ConnectionLimitFilter; import nabble.model.Executors; import nabble.model.ModelHome; import nabble.model.ViewCount; import nabble.model.export.Export; import nabble.view.lib.UrlMappable; import nabble.view.web.template.NabbleNamespace; import nabble.view.web.user.OnlineStatus; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.text.DecimalFormat; import java.util.Collections; import java.util.Date; import java.util.Map; import java.util.Set; import java.util.regex.Pattern; public final class Index extends HttpServlet implements UrlMappable { private static final Logger logger = LoggerFactory.getLogger(Index.class); private static final DecimalFormat FORMATTER = new DecimalFormat("0.00"); private static final Pattern URL_PATTERN = Pattern.compile("://[^/]+/tools/$"); private static String path() { return "/tools/"; } public Map<String,String[]> getParameterMapFromUrl(HttpServletRequest request,String mappedUrl) { return Collections.emptyMap(); } public Pattern getUrlPattern() { return URL_PATTERN; } protected void service(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException { PrintWriter out = response.getWriter(); float oneMega = 1024f * 1024f; float free = Runtime.getRuntime().freeMemory() / oneMega; float total = Runtime.getRuntime().totalMemory() / oneMega; float used = total - free; String loadAverage = null; try { Process process = Runtime.getRuntime().exec("uptime"); InputStream input = process.getInputStream(); byte[] result = IoUtils.readAll(input); input.close(); loadAverage = new String(result).replaceAll(".*average:",""); } catch(IOException e) {} // not on linux String diskUsage; { Process process = Runtime.getRuntime().exec(new String[]{"bash","-c","df -h | awk '{if ($0~\" /$\") {print $5}}'"}); InputStream input = process.getInputStream(); byte[] result = IoUtils.readAll(input); input.close(); diskUsage = new String(result).trim(); } Map<java.lang.Thread, java.lang.StackTraceElement[]> m = Thread.getAllStackTraces(); int socketRead = 0; int idleThread = 0; int sleepingThread = 0; for (Map.Entry<Thread, StackTraceElement[]> entry : m.entrySet()) { StackTraceElement[] trace = entry.getValue(); if (trace.length > 0) { String firstTrace = trace[0].toString(); if (firstTrace.equals("java.net.SocketInputStream.socketRead0(Native Method)")) socketRead++; else if (firstTrace.equals("java.lang.Thread.sleep(Native Method)")) sleepingThread++; else if (firstTrace.equals("java.lang.Object.wait(Native Method)")) idleThread++; } } long viewCountDiffMillis = System.currentTimeMillis() - ViewCount.lastSaved; float minutesSinceLastSaved = viewCountDiffMillis / 60000f; long digestDiffMillis = System.currentTimeMillis() - ModelHome.lastDigestRun; float hoursSinceLastDigestRun = digestDiffMillis / 3600000f; 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(" ); out.print( (new Date(ClassLoader.getSystemResource("nabble/view/web/Index.class").openConnection().getLastModified()).getTime()) ); 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 " ); out.print( (String.format("%.2f",free)) ); out.print( " Mb\r\n </td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Used Memory</td>\r\n <td>" ); out.print( (String.format("%.2f",used)) ); out.print( " Mb</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Total Memory</td>\r\n <td>" ); out.print( (String.format("%.2f",total)) ); out.print( " Mb</td>\r\n </tr>\r\n " ); if (loadAverage != null) { out.print( "\r\n <tr>\r\n <td class=\"row-label\">Load Average</td>\r\n <td>" ); out.print( (loadAverage) ); out.print( "</td>\r\n </tr>\r\n " ); } out.print( "\r\n <tr>\r\n <td class=\"row-label\">Disk Usage</td>\r\n <td>" ); out.print( (diskUsage) ); out.print( "</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label row-separator\">Pool Active Count</td>\r\n <td class=\"row-separator\">" ); out.print( (Executors.foregroundExecutor.getActiveCount()) ); out.print( " threads</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Pool Size</td>\r\n <td>" ); out.print( (Executors.foregroundExecutor.getPoolSize()) ); out.print( " threads</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Connection Limit</td>\r\n <td>" ); out.print( (ConnectionLimitFilter.counter.get()) ); out.print( "/" ); out.print( (ConnectionLimitFilter.max) ); out.print( " (" ); out.print( (ConnectionLimitFilter.queue.size()) ); out.print( ")</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Queue</td>\r\n <td>" ); out.print( (Executors.foregroundExecutor.getQueueSize()) ); 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\">" ); out.print( (m.size()) ); out.print( " threads</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Idle Threads</td>\r\n <td>" ); out.print( (idleThread) ); out.print( " threads are idle</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Database Threads</td>\r\n <td>" ); out.print( (socketRead) ); out.print( " socket reading</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Sleeping Threads</td>\r\n <td>" ); out.print( (sleepingThread) ); 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\">[" ); out.print( (csv(Export.exportSiteIds)) ); out.print( "]</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Backups Running</td>\r\n <td>[" ); out.print( (csv(NabbleNamespace.sitesRunningBackup)) ); out.print( "]</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Online users</td>\r\n <td>" ); out.print( (OnlineStatus.getOnlineStats()) ); out.print( "</td>\r\n </tr>\r\n <tr>\r\n <td class=\"row-label\">Views Last Saved</td>\r\n <td style=\"color:#" ); out.print( (minutesSinceLastSaved > 2f? "red":"black") ); out.print( "\">" ); out.print( (FORMATTER.format(minutesSinceLastSaved)) ); 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:#" ); out.print( (hoursSinceLastDigestRun > 24f? "red":"black") ); out.print( "\">" ); out.print( (FORMATTER.format(hoursSinceLastDigestRun)) ); out.print( " hours ago</td>\r\n </tr>\r\n </table>\r\n </div>\r\n </body>\r\n</html>\r\n" ); } private String csv(Set<Long> ids) { Long[] idArray = ids.toArray(new Long[0]); StringBuilder buf = new StringBuilder(); for (long id : idArray) { if (buf.length() > 0) buf.append(", "); buf.append(id); } return buf.toString(); } }