cloudstack/deps/xen/XenServerJava/samples/EventMonitor.java

65 lines
2.4 KiB
Java

/*
* Copyright (c) 2008 Citrix Systems, Inc.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
import java.util.HashSet;
import java.util.Set;
import com.xensource.xenapi.Event;
/**
* Listens for events on a connection and prints each event out as it is received.
*/
public class EventMonitor extends TestBase
{
private static final int MAX_EVENTS = 100;
private static final int TIMEOUT = 30 * 1000;
public static void RunTest(ILog logger, TargetServer server) throws Exception
{
TestBase.logger = logger;
try
{
connect(server);
Set<String> everything = new HashSet<String>();
everything.add("*");
Event.register(connection, everything);
int eventsReceived = 0;
long started = System.currentTimeMillis();
while (eventsReceived < MAX_EVENTS && System.currentTimeMillis() - started < TIMEOUT)
{
Set<Event.Record> events = Event.next(connection);
announce(events.size() + " event(s) received");
// print the events out in a nice format
String format = "%10s %5s %3s %10s %50s";
logf(format + " date time%n", "class", "id", "uuid", "operation", "reference");
for (Event.Record e : events)
{
logf(format, e.clazz, e.id, e.objUuid, e.operation, e.ref);
logf(" %te/%<tm/%<tY %<tH.%<tM.%<tS %n", e.timestamp);
logln("associated snapshot: " + e.snapshot);
}
eventsReceived += events.size();
}
} finally
{
disconnect();
}
}
}