gettable.java.txt
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- /*$Id: gettable.src,v 1.3 2002/09/09 05:36:28 tonyjpaul Exp $*/
- /*
- * @(#)gettable.java
- * Copyright (c) 1996-2003 AdventNet, Inc. All Rights Reserved.
- * Please read the associated COPYRIGHTS file for more details.
- */
- /**
- * An example of using the SnmpTarget class to get a table.
- * A simpler/better approach to looking at table data
- * is to use the SnmpTable class, which is
- * illustrated in the getSnmpTable example. This example is
- * to provide another example of using the SnmpTarget class, and
- * the MibOperations class.
- *
- * The MIB with the requested table must be loaded for this example.
- *
- * [-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 snmpv3 contextName to be used.
- * [-i] <contextID> - The snmpv3 contextID to be used.
- * host Mandatory - The RemoteHost (agent).Format (string without double qoutes/IpAddress).
- * tableOID Mandatory - Give the Object Identifier of a Table.
- * mibs - The mibs to be loaded.Mandatory.
- */
- import com.adventnet.snmp.beans.*;
- import com.adventnet.snmp.mibs.*;
- import com.adventnet.snmp.snmp2.*;
- import java.util.*;
- public class gettable {
- private static final int COMMUNITY = 1;
- private static final int PORT = 2;
- private static final int RETRIES = 3;
- private static final int TIMEOUT = 4;
- private static final int VERSION = 0;
- private static final int USER_NAME = 5;
- private static final int AUTH_PROTOCOL = 6;
- private static final int AUTH_PASSWORD = 7;
- private static final int PRIV_PASSWORD = 8;
- private static final int CONTEXT_NAME = 9;
- private static final int CONTEXT_ID = 10;
- private static final int DEBUG = 11;
- public static void main(String args[]) {
- // Take care of getting options
- String usage = "gettable [-v version(v1,v2,v3)] [-c community] [-p port] [-t timeout] [-r retries] [-u user] [-a auth_protocol(MD5/SHA)] [-w auth_password] [-s priv_password] [-n contextName] [-i contextID] [-d debug] host tableOID MIB_files";
- String options[] = { "-v", "-c", "-p", "-r", "-t", "-u", "-a", "-w", "-s", "-n", "-i", "-d" };
- String values[] = { null, null, null, null, null, null, null, null, null, null, null, "None"};
- String authProtocol = new String("NO_AUTH");
-
- ParseOptions opt = new ParseOptions(args,options,values, usage);
- // check for at least hostname and one OID in remaining arguments
- if (opt.remArgs.length<3) opt.usage_error();
- if ((values[VERSION] == "v3") && (values[USER_NAME] == null)) opt.usage_error();
- // Use an SNMP target bean to perform SNMP operations
- SnmpTarget target = new SnmpTarget();
- //To load MIBs from compiled file
- target.setLoadFromCompiledMibs(true);
- if(values[VERSION] != null) { // if SNMP version is specified, set it
- if(values[VERSION].equals("v2"))
- target.setSnmpVersion( SnmpTarget.VERSION2C ) ;
- else if(values[VERSION].equals("v1"))
- target.setSnmpVersion( SnmpTarget.VERSION1 );
- else if(values[VERSION].equals("v3"))
- target.setSnmpVersion( SnmpTarget.VERSION3 );
- else {
- System.out.println("Invalid Version Number");
- System.exit(1);
- }
- }
- target.setTargetHost( opt.remArgs[0] ); // set the agent hostname
- if (values[COMMUNITY] != null) // set the community if specified
- target.setCommunity( values[COMMUNITY] );
- try { // set the timeout/retries/port parameters, if specified
- if (values[PORT] != null)
- target.setTargetPort( Integer.parseInt(values[PORT]) );
- if (values[RETRIES] != null)
- target.setRetries( Integer.parseInt(values[RETRIES]) );
- if (values[TIMEOUT] != null)
- target.setTimeout( Integer.parseInt(values[TIMEOUT]) );
- } catch (NumberFormatException ex) {
- System.err.println("Invalid Integer Argument "+ex);
- }
- if(target.getSnmpVersion() == target.VERSION3) {
- if (values[USER_NAME] != null)
- target.setPrincipal(values[USER_NAME]);
- if (values[AUTH_PROTOCOL] != null) {
- //System.out.println("authProtocol = " + authProtocol);
- authProtocol = values[AUTH_PROTOCOL];
- }
- if(authProtocol.equals("SHA"))
- target.setAuthProtocol(target.SHA_AUTH);
- else if(authProtocol.equals("MD5"))
- target.setAuthProtocol(target.MD5_AUTH);
- else
- target.setAuthProtocol(target.NO_AUTH);
- if (values[AUTH_PASSWORD] != null)
- target.setAuthPassword(values[AUTH_PASSWORD]);
- if (values[PRIV_PASSWORD] != null)
- target.setPrivPassword(values[PRIV_PASSWORD]);
- if(values[CONTEXT_NAME]!= null)
- target.setContextName(values[CONTEXT_NAME]);
- if(values[CONTEXT_ID]!= null)
- target.setContextID(values[CONTEXT_ID]);
- }
- if (opt.remArgs[2] != null) try { // Load the MIB files
- System.out.println("Loading MIBs: "+opt.remArgs[2]);
- target.loadMibs(opt.remArgs[2]);
- System.out.println("Done.");
- } catch (Exception ex) {
- System.err.println("Error loading MIBs: "+ex);
- }
- if(target.getSnmpVersion() == target.VERSION3){
- target.create_v3_tables();
- }
- if (values[DEBUG].equals("Set"))
- {
- target.setDebug(true);
- }
- // get a reference to the MIB operations instance
- MibOperations mibOps = target.getMibOperations();
- SnmpOID tableOID = mibOps.getSnmpOID(opt.remArgs[1]); // get table OID
- MibNode tableNode = mibOps.getMibNode(tableOID); // get table MIB node
- if (tableNode == null) { // could not get table MIB node
- System.err.println("Cannot find MIB node for table. Correct MIB must be loaded: "+opt.remArgs[1]);
- System.exit(1);
- }
- Vector columns = tableNode.getTableItems();
- if ( (columns == null) || (columns.size() == 0) ) {
- System.err.println("Not a table. No columns: "+opt.remArgs[1]);
- System.exit(1);
- }
- // We need to confirm the first column is read-accessible
- while (columns.size() > 0) {
- SnmpOID firstOID = mibOps.getSnmpOID((String)columns.elementAt(0));
- MibNode firstNode = mibOps.getMibNode(firstOID);
- if ( (firstNode.getAccess() != SnmpAPI.RONLY) &&
- (firstNode.getAccess() != SnmpAPI.RWRITE) ) {
- System.err.println("Column inaccessible. Drop: "+firstNode);
- columns.removeElementAt(0);
- } else break;
- }
-
- // create OID array from table columns
- String oids[] = new String[columns.size()];
- for (int i=0;i<oids.length;i++) oids[i] = (String)columns.elementAt(i);
-
- target.setObjectIDList(oids);
- // get entire table by doing successive get nexts
- String result[][] = target.snmpGetAllList();
-
- if (result == null) {
- System.err.println("Request failed or timed out. n"+
- target.getErrorString());
- } else { // print the table
- System.out.println("Response received. Table items:");
- StringBuffer sb = new StringBuffer();
- // first print the column names
- for (int i=0;i<oids.length;i++) sb.append(oids[i]+" t");
- sb.append("n");
- // next pront each table item
- for (int j=0;j<result.length;j++) { // for each row
- for (int i=0;i<result[j].length;i++) // for each column
- sb.append(result[j][i]+" t");
- sb.append("n");
- }
- System.out.println(sb.toString());
- }
- System.exit(0);
- }
- }