blob: 265bfc744709f1f10718dd0b8c9af1abba802609 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
package de.bwlehrpool.bwlp_guac;
import org.apache.guacamole.GuacamoleException;
import org.apache.guacamole.net.event.TunnelCloseEvent;
import org.apache.guacamole.net.event.TunnelConnectEvent;
import org.apache.guacamole.net.event.listener.Listener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.HashMap;
/**
* A listener to track whether a user currently is connected to a tunnel.
*/
public class TunnelListener implements Listener {
private static final Logger LOGGER = LoggerFactory.getLogger(TunnelListener.class);
private static final HashMap<String, Integer> userTunnelCount = new HashMap<String, Integer>();
public static boolean hasTunnel(String username) {
return userTunnelCount.get(username) != null;
}
@Override
public void handleEvent(Object event) throws GuacamoleException {
if (event instanceof TunnelConnectEvent) {
String username = ((TunnelConnectEvent)event).getCredentials().getUsername();
LOGGER.info("User " + username + " connected to a tunnel.");
Integer count = userTunnelCount.get(username);
if (count == null) count = 1;
else count++;
userTunnelCount.put(username, count);
LOGGER.info("Tunnel count: " + count);
}
else if (event instanceof TunnelCloseEvent) {
String username = ((TunnelCloseEvent)event).getCredentials().getUsername();
LOGGER.info("User " + username + " closed a tunnel.");
Integer count = userTunnelCount.get(username);
if (count != null) {
if (count > 1) userTunnelCount.put(username, count - 1);
else userTunnelCount.remove(username);
LOGGER.info("Tunnel count: " + (count - 1));
}
}
}
}
|