snmpget.java.txt
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- /* $Id: snmpget.src,v 1.10 2002/09/09 05:36:52 parasuraman Exp $ */
- /*
- * @(#)snmpget.java
- * Copyright (c) 1996-2003 AdventNet, Inc. All Rights Reserved.
- * Please read the associated COPYRIGHTS file for more details.
- */
- /**
- * This is an example program to explain how to write an application to do
- * the basic SNMP operation GET using com.adventnet.snmp.snmp2 package of
- * AdventNetSNMP2 api.
- * The user could run this application by giving any one of the following usage.
- *
- * java snmpget [options] hostname oid ...
- *
- * v1 request:
- * java snmpget [-d] [-c community] [-p port] [-t timeout] [-r retries] host OID [OID] ...
- * e.g.
- * java snmpget -p 161 -c public adventnet 1.1.0 1.2.0
- *<img SRC="images/v2candv3only.jpg" ALT="v2c and v3 only">
- * v2c request:
- * java snmpget [-d] [-v version(v1,v2)] [-c community] [-p port] [-t timeout] [-r retries] host OID [OID] ...
- * e.g. For v1 request give -v v1 or drop the option -v .
- * java snmpget -p 161 -v v2 -c public adventnet 1.1.0 1.2.0
- *<img SRC="images/v3only.jpg" ALT="v3 only">
- * v3 request:
- * java snmpget [-d] [-v version(v1,v2,v3)] [-c community] [-p port] [-r retries] [-t timeout] [-u user] [-a auth_protocol] [-w auth_password] [-s priv_password] [-i context_id] host OID [OID] ...
- * e.g.
- * java snmpget -v v3 -u initial2 -w initial2Pass -a MD5 10.3.2.120 1.2.0
- *
- * If the oid is not starting with a dot (.) it will be prefixed by .1.3.6.1.2.1 .
- * So the entire OID of 1.1.0 will become .1.3.6.1.2.1.1.1.0 . You can also
- * give the entire OID .
- *
- * Options:
- * [-d] - Debug output. By default off.
- * [-c] <community> - community String. By default "public".
- * [-p] <port> - remote port no. By default 161.
- * [-t] <Timeout> - Timeout. By default 5000ms.
- * [-r] <Retries> - Retries. By default 0.
- *<img SRC="images/v3only.jpg" ALT="v3 only"> [-v] <version> - version(v1 / v2 / v3). By default v1.
- * [-u] <username> - The v3 principal/userName
- * [-a] <autProtocol> - The authProtocol(MD5/SHA). Mandatory if authPassword is specified
- * [-w] <authPassword> - The authentication password.
- * [-s] <privPassword> - The privacy protocol password. Must be accompanied with auth password and authProtocol fields.
- * [-n] <contextName> - The contextName to be used for the v3 pdu.
- * [-i] <contextID> - The contextID to be used for the v3 pdu.
- * host Mandatory - The RemoteHost (agent).Format (string without double qoutes/IpAddress).
- * OID Mandatory - Give multiple no. of Object Identifiers.
- */
- import java.lang.*;
- import java.util.*;
- import java.net.*;
- import com.adventnet.snmp.snmp2.*;
- import com.adventnet.snmp.snmp2.usm.*;
- public class snmpget
- {
- public static void main(String args[])
- {
- // Take care of getting options
- String usage =
- "nsnmpget [-d] [-v version(v1,v2,v3)] [-c community] n" +
- "[-p port] [-r retries] [-t timeout] [-u user] n" +
- "[-a auth_protocol] [-w auth_password] n" +
- "[-s priv_password] [-n contextName] [-i contextID] n" +
- "[-DB_driver database_driver]n" +
- "[-DB_url database_url]n" +
- "[-DB_username database_username]n" +
- "[-DB_password database_password]n" +
- "host OID [OID] ...n";
-
- String options[] =
- {
- "-d", "-c", "-wc", "-p", "-r", "-t", "-m",
- "-v", "-u", "-a", "-w", "-s", "-n", "-i",
- "-DB_driver", "-DB_url", "-DB_username", "-DB_password"
- };
-
- String values[] =
- {
- "None", null, null, null, null, null, "None",
- null, null, null, null, null, null, null,
- null, null, null, null
- };
- ParseOptions opt = new ParseOptions(args,options,values, usage);
- if (opt.remArgs.length<2)
- {
- opt.usage_error();
- }
- // Start SNMP API
- SnmpAPI api;
- api = new SnmpAPI();
- if (values[0].equals("Set"))
- {
- api.setDebug( true );
- }
- // Open session
- SnmpSession session = new SnmpSession(api);
- // set remote Host
-
- int PORT = 3;
-
- SnmpPDU pdu = new SnmpPDU();
- UDPProtocolOptions udpOpt = new UDPProtocolOptions();
- udpOpt.setRemoteHost(opt.remArgs[0]);
- if(values[PORT] != null)
- {
- try
- {
- udpOpt.setRemotePort(Integer.parseInt(values[PORT]));
- }
- catch(Exception exp)
- {
- System.out.println("Invalid port: " + values[PORT]);
- System.exit(1);
- }
- }
- pdu.setProtocolOptions(udpOpt);
- SetValues setVal = new SetValues( pdu, values );
- if(setVal.usage_error)
- {
- opt.usage_error();
- }
- String driver = values[14];
- String url = values[15];
- String username = values[16];
- String password = values[17];
- if(driver != null || url != null ||
- username != null || password != null)
- {
- if(pdu.getVersion() != 3)
- {
- System.out.println(
- "Database option can be used only for SNMPv3.");
- System.exit(1);
- }
- if(driver == null)
- {
- System.out.println(
- "The Database driver name should be given.");
- System.exit(1);
- }
- if(url == null)
- {
- System.out.println("The Database URL should be given.");
- System.exit(1);
- }
- try
- {
- api.setV3DatabaseFlag(true);
- api.initJdbcParams(driver, url, username, password);
- }
- catch(Exception exp)
- {
- System.out.println("Unable to Establish Database Connection.");
- System.out.println("Please check the driverName and url.");
- System.exit(1);
- }
- }
- // Build Get request PDU
- // SnmpPDU pdu = new SnmpPDU();
- pdu.setCommand( api.GET_REQ_MSG );
- // add OIDs
- for (int i=1;i<opt.remArgs.length;i++)
- {
- SnmpOID oid = new SnmpOID(opt.remArgs[i]);
- if (oid.toValue() == null)
- {
- System.err.println("Invalid OID argument: " + opt.remArgs[i]);
- }
- else
- {
- pdu.addNull(oid);
- }
- }
- try
- {
- //Open session
- session.open();
- }
- catch (SnmpException e)
- {
- System.err.println("Error opening session:"+e.getMessage());
- System.exit(1);
- }
- if(pdu.getVersion()==SnmpAPI.SNMP_VERSION_3)
- {
- pdu.setUserName(setVal.userName.getBytes());
- try
- {
- USMUtils.init_v3_parameters(
- setVal.userName,
- setVal.authProtocol,
- setVal.authPassword,
- setVal.privPassword,
- udpOpt.getRemoteHost(),
- udpOpt.getRemotePort(),
- session);
- }
- catch(SnmpException exp)
- {
- System.out.println(exp.getMessage());
- System.exit(1);
- }
- pdu.setContextName(setVal.contextName.getBytes());
- pdu.setContextID(setVal.contextID.getBytes());
- }
-
- SnmpPDU res_pdu = null;
-
- try
- {
- // Send PDU and receive response PDU
- res_pdu = session.syncSend(pdu);
- }
- catch (SnmpException e)
- {
- System.err.println("Sending PDU"+e.getMessage());
- System.exit(1);
- }
- if (res_pdu == null)
- {
- // timeout
- System.out.println("Request timed out to: " + opt.remArgs[0] );
- System.exit(1);
- }
- UDPProtocolOptions udpOptions =
- (UDPProtocolOptions)res_pdu.getProtocolOptions();
- String res = "Response PDU received from " +
- udpOptions.getRemoteAddress() + ".";
- // print and exit
- if(res_pdu.getVersion() < 3)
- {
- res = res + " Community = " + res_pdu.getCommunity() + ".";
- }
- System.out.println(res);
-
- // Check for error in response
- if (res_pdu.getErrstat() != 0)
- {
- System.err.println(res_pdu.getError());
- }
- else
- {
- // print the response pdu varbinds
- System.out.println(res_pdu.printVarBinds());
- }
-
- // close session
- session.close();
- // stop api thread
- api.close();
- }
- }