public void init(PluginManager manager) throws PluginException {
super.init(manager);
final String prop = "sigar.mirror.procnet";
final String enable = manager.getProperty(prop);
getLog().debug(prop + "=" + enable);
if (!"true".equals(enable)) {
return;
}
// intended for use on systems with very large connection tables
// where processing /proc/net/tcp may block or otherwise take much longer
// than reading a plain 'ol text file
// should only happen agent-side
String dir = manager.getProperty(AgentConfig.PROP_TMPDIR[0]);
ProcFileMirror mirror = null;
final String[] procnet = {"/proc/net/tcp", "/proc/net/tcp6"};
for (int i = 0; i < procnet.length; i++) {
File file = new File(procnet[i]);
if (!file.exists()) {
continue;
}
if (mirror == null) {
mirror = new ProcFileMirror(new Sigar(), dir);
}
try {
mirror.add(file);
getLog().debug("mirroring " + procnet[i]);
} catch (SigarException e) {
getLog().warn(e.getMessage());
}
}
if (mirror != null) {
FileWatcherThread.getInstance().add(mirror);
FileWatcherThread.getInstance().doStart();
}
}
