1 public class Constants { 2 public static final String sysDescr = ".1.3.6.1.2.1.1.1.0"; 3 public static final String sysName = ".1.3.6.1.2.1.1.5.0"; 4 public static final String sysObjectID = ".1.3.6.1.2.1.1.2.0"; 5 public static final String ifNumber = ".1.3.6.1.2.1.2.1.0"; 6 7 public static final String m1 = ".1.3.6.1.2.1.43.11.1.1.8.1.1"; 8 public static final String m2 = ".1.3.6.1.2.1.43.11.1.1.9.1.1"; 9 public static final String m3 = ".1.3.6.1.2.1.43.11.1.1.9.1.2"; 10 public static final String m4 = ".1.3.6.1.2.1.43.11.1.1.9.1.3"; 11 public static final String m5 = ".1.3.6.1.2.1.43.11.1.1.9.1.4"; 12 public static final String m6 = ".1.3.6.1.2.1.25.3.5.1.1.1"; 13 public static final String[] ifOids=new String[]{ 14 ".1.3.6.1.2.1.2.2.1.1", 15 ".1.3.6.1.2.1.2.2.1.2", 16 ".1.3.6.1.2.1.2.2.1.3", 17 ".1.3.6.1.2.1.2.2.1.4", 18 ".1.3.6.1.2.1.2.2.1.5", 19 ".1.3.6.1.2.1.2.2.1.6", 20 ".1.3.6.1.2.1.2.2.1.7", 21 ".1.3.6.1.2.1.2.2.1.8", 22 ".1.3.6.1.2.1.2.2.1.9", 23 ".1.3.6.1.2.1.2.2.1.10", 24 ".1.3.6.1.2.1.2.2.1.11", 25 ".1.3.6.1.2.1.2.2.1.12", 26 ".1.3.6.1.2.1.2.2.1.13", 27 ".1.3.6.1.2.1.2.2.1.14", 28 ".1.3.6.1.2.1.2.2.1.15", 29 ".1.3.6.1.2.1.2.2.1.16", 30 ".1.3.6.1.2.1.2.2.1.17", 31 ".1.3.6.1.2.1.2.2.1.18", 32 ".1.3.6.1.2.1.2.2.1.19", 33 ".1.3.6.1.2.1.2.2.1.20", 34 ".1.3.6.1.2.1.2.2.1.21", 35 ".1.3.6.1.2.1.2.2.1.22" 36 }; 37 38 }
1 public class SNMPSessionUtil { 2 private Snmp snmp; 3 private Address targetAddress; 4 private String hostComputer; 5 private String port; 6 private String community; 7 private int version; 8 private CommunityTarget communityTarget; 9 10 public SNMPSessionUtil(String hostComputer,String port ,String community, String version) { 11 this.hostComputer = hostComputer; 12 this.community = community; 13 this.port=port; 14 if (version.equals("2")){ 15 this.version=SnmpConstants.version2c; 16 }else { 17 System.out.println("版本不对"); 18 } 19 init(); 20 } 21 // 初始化 22 public void init(){ 23 String target="udp:"+hostComputer+"/"+port; 24 targetAddress= GenericAddress.parse(target); 25 try { 26 TransportMapping transportMapping=new DefaultUdpTransportMapping(); 27 snmp=new Snmp(transportMapping); 28 snmp.listen(); 29 // 设置权限 30 communityTarget=new CommunityTarget(); 31 communityTarget.setCommunity(new OctetString(community)); 32 communityTarget.setAddress(targetAddress); 33 // 通信不成功重复次数 34 communityTarget.setRetries(2); 35 // 超时时间 36 communityTarget.setTimeout(2*1000); 37 // 设置版本 38 communityTarget.setVersion(version); 39 } catch (IOException e) { 40 e.printStackTrace(); 41 } 42 } 43 // 单个获取方式 44 public void getSnmpGet(String... oid) throws IOException { 45 ResponseEvent responseEvent=null; 46 for (int i=0;i<oid.length;i++){ 47 PDU pdu=new PDU(); 48 pdu.add(new VariableBinding(new OID(oid[i]))); 49 // 设置请求方式 50 pdu.setType(PDU.GET); 51 ResponseEvent event=snmp.send(pdu,communityTarget); 52 if (null!=event){ 53 readResponse(event); 54 } 55 } 56 57 } 58 // 对结果进行解析 59 public void readResponse(ResponseEvent event){ 60 if (null!=event&&event.getResponse()!=null){ 61 System.out.println("收到回复，正在解析"); 62 Vector<VariableBinding>vector=(Vector<VariableBinding>) event.getResponse().getVariableBindings(); 63 for (int i=0;i<vector.size();i++){ 64 VariableBinding vec= vector.elementAt(i); 65 System.out.println(vec); 66 } 67 }else 68 System.out.println("没有收到回复"); 69 } 70 // 遍历请求 71 public void snmpWalk2(String oids[]){ 72 ArrayList mapList=new ArrayList<>(); 73 // 设置TableUtil的工具 74 TableUtils utils=new TableUtils(snmp,new DefaultPDUFactory(PDU.GETBULK)); 75 utils.setMaxNumRowsPerPDU(2); 76 OID[] clounmOid =new OID[oids.length]; 77 for (int i=0;i<oids.length;i++){ 78 clounmOid[i]=new OID(oids[i]); 79 } 80 // 获取查询结果list,new OID("0"),new OID("40")设置输出的端口数量 81 List<TableEvent> list=utils.getTable(communityTarget,clounmOid,new OID("0"),new OID("40")); 82 for (int i = 0; i < list.size(); i++) { 83 // 取list中的一行 84 TableEvent te = (TableEvent) list.get(i); 85 // 对每一行结果进行再次拆分 86 VariableBinding[] vb = te.getColumns(); 87 Map map = new HashMap<String,String>(); 88 if (vb != null) { 89 for (int j = 0; j < vb.length; j++) { 90 System.out.println(vb[j].toString()); 91 } 92 } else { 93 throw new NullPointerException("被监控系统的网络不通或IP或其它相关配置错识！"); 94 } 95 } 96 } 97 public static void main(String[] args) { 98 SNMPSessionUtil snmpSessionUtil=new SNMPSessionUtil("192.168.1.165","161","public", "2"); 99 // SNMPSessionUtil snmpSessionUtil=new SNMPSessionUtil("192.168.0.128","161","public", "2"); 100 // SNMPSessionUtil snmpSessionUtil=new SNMPSessionUtil("192.168.0.175","161","public", "2"); 101 // SNMPSessionUtil snmpSessionUtil=new SNMPSessionUtil("192.168.1.19","161","public", "2"); 102 try { 103 snmpSessionUtil.getSnmpGet(Constants.sysDescr,Constants.sysName,Constants.sysObjectID,Constants.ifNumber,Constants.m1,Constants.m2,Constants.m3,Constants.m4,Constants.m5,Constants.m6); 104 snmpSessionUtil.snmpWalk2(Constants.ifOids); 105 } catch (IOException e) { 106 e.printStackTrace(); 107 } 108 }
经测试，京瓷打印机5201CDN，HP打印机MFP M277dw,MFP M476dw 适用。
注意:打印机需连接网线，设置为网络打印机，有IP地址，并开启SNMP。