org.hyperic.sigar.cmd.EventLogTail Maven / Gradle / Ivy
/*
* Copyright (c) 2007, 2009 Hyperic, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.hyperic.sigar.cmd;
import org.hyperic.sigar.win32.EventLog;
import org.hyperic.sigar.win32.EventLogNotification;
import org.hyperic.sigar.win32.EventLogRecord;
import org.hyperic.sigar.win32.EventLogThread;
import org.hyperic.sigar.win32.Win32Exception;
public class EventLogTail {
private static void tail(String name, Tail tail) throws Win32Exception {
EventLog log = new EventLog();
log.open(name);
int max = log.getNumberOfRecords();
if (tail.number < max) {
max = tail.number;
}
int last = log.getNewestRecord()+1;
int first = last - max;
for (int i=first; i