import org.hyperic.sigar.ProcState; //导入依赖的package包/类
Processes(
  final UnitConversionService units,
  final CachingService caching,
  final Sigar sigar,
  final AnnotationMBeanExporter server) throws SigarException, JMException {
  super();

  for(final long pid : sigar.getProcList()) {
    try {
      final ProcState state = sigar.getProcState(pid);
      final String name = state.getName();

      final SigarProcessMetrics process = SigarProcessMetrics
        .builder()
        .units(units)
        .name(name)
        .pid(pid)
        .cpu(caching.cache(() -> sigar.getProcCpu(pid)))
        .memory(caching.cache(() -> sigar.getProcMem(pid)))
        .build();

      server.registerManagedResource(process, new ObjectName(format(OBJECT_NAME, name, pid)));
    } catch(final SigarException e) {
      // Process disappeared between listing and proc state
    }
  }
}
 

import org.hyperic.sigar.ProcState; //导入依赖的package包/类
public static List<JSON> getNetStats() throws SigarException {
	_init();
	int flags = NetFlags.CONN_CLIENT | NetFlags.CONN_SERVER | NetFlags.CONN_TCP | NetFlags.CONN_UDP
			| NetFlags.CONN_PROTOCOLS;
	NetConnection[] nn = sigar.getNetConnectionList(flags);
	List<JSON> l1 = new ArrayList<JSON>();
	for (NetConnection n : nn) {
		if (n.getRemotePort() == 0 && n.getLocalPort() == 0)
			continue;

		JSON jo = JSON.create().append("remoteaddress", n.getRemoteAddress())
				.append("remoteport", n.getRemotePort()).append("localaddress", n.getLocalAddress())
				.append("localport", n.getLocalPort()).append("recvqueue", n.getReceiveQueue())
				.append("sendqueue", n.getSendQueue()).append("state", n.getState()).append("type", n.getType())
				.append("typename", n.getTypeString());
		if (n.getType() != NetFlags.CONN_UDP) {
			jo.append("statename", n.getStateString());
		}
		try {
			long pid = sigar.getProcPort(n.getType(), n.getLocalPort());
			if (pid != 0) {
				ProcState p = sigar.getProcState(pid);
				if (p != null) {
					jo.append("pid", pid + "/" + p.getName());
				}
			}
		} catch (Exception e) {
			// ignore
			log.warn("get pid error, type=" + n.getType() + ", port=" + n.getLocalPort());
		}
		l1.add(jo);
	}
	return l1;
}