public void analsysNDPHost(Host node, Host host) {
if (host.getNdpHash() == null)
host.setNdpHash(snmp.getNDPTable(host.getIpAddress(), host.getCommunity()));
// 判断该NDP中是否包含node的MAC地址,若包含,则说明node是跟该设备直接连接关系
Hashtable hostNDPHash = host.getNdpHash();
if (host.getMac() == null) {
String descr = (String) hostNDPHash.get(node.getMac());
IfEntity nodeIfEntity = node.getIfEntityByDesc(descr);
Link link = new Link();
link.setStartId(node.getId());
link.setStartIndex(nodeIfEntity.getIndex());
link.setStartIp(node.getIpAddress());
link.setStartPhysAddress(node.getMac()); // 记录下起点的mac
link.setStartDescr(descr);
link.setEndIp(host.getIpAddress());
DiscoverEngine.getInstance().addHost(host, link);
} else {
if (node.getNdpHash() != null) {
if (node.getNdpHash().containsKey(host.getMac())) {
String hostdesc = (String) node.getNdpHash().get(host.getMac());
String descr = (String) hostNDPHash.get(node.getMac());
IfEntity nodeIfEntity = node.getIfEntityByDesc(descr);
IfEntity hostIfEntity = host.getIfEntityByDesc(hostdesc);
Link link = new Link();
link.setStartId(node.getId());
link.setStartIndex(nodeIfEntity.getIndex());
link.setStartIp(node.getIpAddress());
link.setStartPhysAddress(node.getMac()); // 记录下起点的mac
link.setStartDescr(descr);
link.setEndIndex(hostIfEntity.getIndex());
link.setEndIp(host.getIpAddress());
link.setEndPhysAddress(hostIfEntity.getPhysAddress());
link.setEndDescr(hostdesc);
DiscoverEngine.getInstance().addHost(host, link);
} else {
String descr = (String) hostNDPHash.get(node.getMac());
IfEntity nodeIfEntity = node.getIfEntityByDesc(descr);
Link link = new Link();
link.setStartId(node.getId());
link.setStartIndex(nodeIfEntity.getIndex());
link.setStartIp(node.getIpAddress());
link.setStartPhysAddress(node.getMac()); // 记录下起点的mac
link.setStartDescr(descr);
link.setEndIp(host.getIpAddress());
DiscoverEngine.getInstance().addHost(host, link);
}
} else {
String descr = (String) hostNDPHash.get(node.getMac());
IfEntity nodeIfEntity = node.getIfEntityByDesc(descr);
Link link = new Link();
link.setStartId(node.getId());
link.setStartIndex(nodeIfEntity.getIndex());
link.setStartIp(node.getIpAddress());
link.setStartPhysAddress(node.getMac()); // 记录下起点的mac
link.setStartDescr(descr);
link.setEndIp(host.getIpAddress());
DiscoverEngine.getInstance().addHost(host, link);
}
}
}
/** 对IP_Net_To_Media进行探测 */
private void doIPNetProbe() {
if (DiscoverEngine.getInstance().getStopStatus() == 1) return;
List ipNetTable =
SnmpUtil.getInstance().getIpNetToMediaTable(this.getIpAddress(), this.getCommunity());
if (ipNetTable == null || ipNetTable.size() == 0) // important
{
setDiscovered(true);
return;
}
ipTotal = ipNetTable.size();
int threadTotal = 0; // 线程总数
SysLogger.info("PER_THREAD_IP===" + PER_THREAD_IP);
if (ipTotal % PER_THREAD_IP == 0) // 每个线程对N个ip进行探测
threadTotal = ipTotal / PER_THREAD_IP;
else threadTotal = ipTotal / PER_THREAD_IP + 1;
IPNetProbeThread probeThread = null;
for (int i = 0; i < threadTotal; i++) {
if (i == threadTotal - 1)
probeThread = new IPNetProbeThread(this, ipNetTable.subList(i * PER_THREAD_IP, ipTotal));
else
probeThread =
new IPNetProbeThread(
this, ipNetTable.subList(i * PER_THREAD_IP, (i + 1) * PER_THREAD_IP));
DiscoverEngine.getInstance().addThread(probeThread);
}
}
/**
* @param ip
* @param community
*/
public static void snmpGetList(String ip, String community, List<String> oidList) {
CommunityTarget target = SnmpUtil.createDefault(ip, community);
Snmp snmp = null;
try {
PDU pdu = new PDU();
for (String oid : oidList) {
pdu.add(new VariableBinding(new OID(oid)));
}
DefaultUdpTransportMapping transport = new DefaultUdpTransportMapping();
transport.listen();
snmp = new Snmp(transport);
System.out.println("------->发送消息<-------");
pdu.setType(PDU.GET);
ResponseEvent respEvent = snmp.send(pdu, target);
System.out.println("PeerAddress:" + respEvent.getPeerAddress());
PDU response = respEvent.getResponse();
if (response == null) {
System.out.println("response is null, request time out");
} else {
System.out.println("response pdu size is " + response.size());
for (int i = 0; i < response.size(); i++) {
VariableBinding vb = response.get(i);
System.out.println(vb.getOid() + " = " + vb.getVariable());
}
}
System.out.println("SNMP GET List OID value finished !");
} catch (Exception e) {
e.printStackTrace();
System.out.println("SNMP GetList Exception:" + e);
} finally {
if (snmp != null) {
try {
snmp.close();
} catch (IOException ex1) {
snmp = null;
}
}
}
}
public void run() {
if (DiscoverEngine.getInstance().getStopStatus() == 1) return;
snmp = SnmpUtil.getInstance();
SysLogger.info("开始分析设备" + node.getIpAddress() + "的地址转发表");
Set shieldList = DiscoverResource.getInstance().getShieldSet();
List netshieldList = DiscoverResource.getInstance().getNetshieldList();
List netincludeList = DiscoverResource.getInstance().getNetincludeList();
IfEntity ifEntity = null;
IfEntity endifEntity = null;
// 生成线程池
ThreadPool threadPool = new ThreadPool(addressList.size());
for (int i = 0; i < addressList.size(); i++) {
// ###################################
// 若不需要服务器,则不进行交换机的ARP表采集
// if(1==1)continue;
// ###################################
try {
// node.updateCount(2);
IpAddress ipAddr = (IpAddress) addressList.get(i);
threadPool.runTask(NetMediThread.createTask(ipAddr, node));
// SysLogger.info("在"+node.getIpAddress()+"的地址转发表发现IP "+ipAddr.getIpAddress()+",开始分析");
} catch (Exception ex) {
ex.printStackTrace();
}
} // end_for
// 关闭线程池并等待所有任务完成
threadPool.join();
threadPool.close();
threadPool = null;
DiscoverEngine.getInstance().addDiscoverdcount();
snmp = null;
setCompleted(true);
} // end_run
