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Java > Open Source Codes > freecs > external > StateRequestHandler


1 package freecs.external;
2
3 import freecs.Server;
4 import freecs.content.ContentContainer;
5 import freecs.core.GroupManager;
6 import freecs.core.RequestReader;
7 import freecs.core.UserManager;
8 import freecs.interfaces.IRequest;
9 import freecs.util.logger.LogWriter;
10
11 public class StateRequestHandler extends AbstractRequestHandler {
12
13     public StateRequestHandler(String JavaDoc handlerName) {
14         super(handlerName);
15     }
16
17     /**
18      * class rendering information on server internals
19      */

20
21     public void handle(IRequest req, ContentContainer c) {
22         checkAccessIp(req,c);
23
24         if (req.getValue("gc")!=null) {
25             System.gc();
26             try {
27                 Thread.sleep(1000);
28             } catch (InterruptedException JavaDoc e) {
29             }
30         }
31         
32         StringBuffer JavaDoc sb = new StringBuffer JavaDoc ();
33         sb.append ("<html><head><title>state query</title><meta http-equiv=\"refresh\" content=\"4\"></head><body bgcolor=ffff99 text=000000><table border=0><tr><td colspan=4 align=center>FreeCS (");
34         sb.append (Server.getVersion ());
35         sb.append (")</td></tr><tr><td width=10></td><td witdh=200 align=right>Laufzeit:</td><td width=10></td><td width=400>");
36         long sec=0, min=0, hour=0, day=0;
37         sec = (System.currentTimeMillis()-Server.startupTime)/1000;
38         min = sec/60;
39         if (min>0)
40             sec = sec-min*60;
41         if (min >=60){
42             hour = min/60;
43             min = min -(hour*60);
44         }
45         if (hour >=24){
46             day = hour/24;
47             hour = hour -(day*24);
48         }
49         sb.append (day);
50         sb.append (" day ");
51         sb.append (hour);
52         sb.append (" h ");
53         sb.append (min);
54         sb.append (" min ");
55         sb.append (sec);
56         sb.append (" sec");
57         sb.append ("</td></tr><tr><td colspan=4 bgcolor=000000 height=1></td></tr><tr><td width=10></td><td witdh=200 align=right>Anzahl der User:</td><td width=10></td><td width=400>");
58         UserManager umgr = UserManager.mgr;
59         sb.append (umgr.getActiveUserCount ());
60         sb.append ("(");
61         sb.append (umgr.getHighWaterMark());
62         sb.append (" max)");
63         sb.append ("</td></tr><tr><td colspan=4 bgcolor=000000 height=1></td></tr><tr><td width=10></td><td witdh=200 align=right>Anzahl der Räume:</td><td width=10></td><td width=400>");
64         GroupManager gmgr = GroupManager.mgr;
65         sb.append (gmgr.openGroupsCount());
66         sb.append ("(");
67         sb.append (gmgr.getHighWaterMark());
68         sb.append (" max)");
69         sb.append ("</td></tr><tr><td colspan=4 bgcolor=000000 height=1></td></tr><tr><td width=10></td><td witdh=200 align=right>Anzahl der Reader-Threads:</td><td width=10></td><td width=400>");
70         sb.append (RequestReader.activeReaders ());
71         if (!Server.srv.THREAD_PER_READ) {
72             sb.append ("</td></tr><tr><td colspan=4 bgcolor=000000 height=1></td></tr><tr><td width=10></td><td witdh=200 align=right>Reader-Queue-Usage:</td><td width=10></td><td width=400>");
73             double d[] = RequestReader.getOveralUsage();
74             for (int i = 0; i < d.length; i++) {
75                 sb.append (d[i]);
76                 sb.append ("%");
77                 if (i < d.length)
78                     sb.append (", ");
79             }
80         }
81         sb.append ("</td></tr><tr><td colspan=4 bgcolor=000000 height=1></td></tr><tr><td width=10></td><td witdh=200 align=right>Speicher:</td><td width=10></td><td width=400>");
82         Runtime JavaDoc r = Runtime.getRuntime ();
83         long free = r.freeMemory ();
84         long total = r.totalMemory ();
85         long max = r.maxMemory ();
86         long used = total - free;
87         sb.append ("free: ");
88         sb.append (free);
89         sb.append ("<br>used: ");
90         sb.append (used);
91         sb.append ("<br>total/maxTotal: ");
92         sb.append (total);
93         sb.append ("/");
94         sb.append (max);
95         sb.append ("<br>Usagepercentage: ");
96         sb.append (100 - (free / (total / 100)));
97         sb.append ("</td></tr></table>");
98         sb.append ("<a HREF=/STATE?gc=now>run garbagecollector</a>");
99         sb.append ("LogQueue: ").append (LogWriter.instance.logQueue.size());
100         sb.append (" of ").append(LogWriter.instance.logQueue.capacity());
101         sb.append ("<br />LogWriter priority: " + LogWriter.instance.getPriority());
102         sb.append ("</body></html>");
103         c.wrap (sb.toString());
104     }
105
106 }
107
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