215 lines
6.7 KiB
Java
215 lines
6.7 KiB
Java
/*
|
|
* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation. Oracle designates this
|
|
* particular file as subject to the "Classpath" exception as provided
|
|
* by Oracle in the LICENSE file that accompanied this code.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
|
|
package com.sun.jmx.snmp;
|
|
|
|
|
|
|
|
/**
|
|
* Represents an SNMP 64bits counter.
|
|
*
|
|
* <p><b>This API is a Sun Microsystems internal API and is subject
|
|
* to change without notice.</b></p>
|
|
*/
|
|
|
|
public class SnmpCounter64 extends SnmpValue {
|
|
private static final long serialVersionUID = 8784850650494679937L;
|
|
|
|
// CONSTRUCTORS
|
|
//-------------
|
|
/**
|
|
* Constructs a new <CODE>SnmpCounter64</CODE> from the specified long value.
|
|
* @param v The initialization value.
|
|
* @exception IllegalArgumentException The specified value is negative
|
|
* or larger than <CODE>Long.MAX_VALUE</CODE>.
|
|
*/
|
|
public SnmpCounter64(long v) throws IllegalArgumentException {
|
|
|
|
// NOTE:
|
|
// The max value for a counter64 variable is 2^64 - 1.
|
|
// The max value for a Long is 2^63 - 1.
|
|
// All the allowed values for a conuter64 variable cannot be covered !!!
|
|
//
|
|
if ((v < 0) || (v > Long.MAX_VALUE)) {
|
|
throw new IllegalArgumentException() ;
|
|
}
|
|
value = v ;
|
|
}
|
|
|
|
/**
|
|
* Constructs a new <CODE>SnmpCounter64</CODE> from the specified <CODE>Long</CODE> value.
|
|
* @param v The initialization value.
|
|
* @exception IllegalArgumentException The specified value is negative
|
|
* or larger than <CODE>Long.MAX_VALUE</CODE>.
|
|
*/
|
|
public SnmpCounter64(Long v) throws IllegalArgumentException {
|
|
this(v.longValue()) ;
|
|
}
|
|
|
|
// PUBLIC METHODS
|
|
//---------------
|
|
/**
|
|
* Returns the counter value of this <CODE>SnmpCounter64</CODE>.
|
|
* @return The value.
|
|
*/
|
|
public long longValue() {
|
|
return value ;
|
|
}
|
|
|
|
/**
|
|
* Converts the counter value to its <CODE>Long</CODE> form.
|
|
* @return The <CODE>Long</CODE> representation of the value.
|
|
*/
|
|
public Long toLong() {
|
|
return new Long(value) ;
|
|
}
|
|
|
|
/**
|
|
* Converts the counter value to its integer form.
|
|
* @return The integer representation of the value.
|
|
*/
|
|
public int intValue() {
|
|
return (int)value ;
|
|
}
|
|
|
|
/**
|
|
* Converts the counter value to its <CODE>Integer</CODE> form.
|
|
* @return The <CODE>Integer</CODE> representation of the value.
|
|
*/
|
|
public Integer toInteger() {
|
|
return new Integer((int)value) ;
|
|
}
|
|
|
|
/**
|
|
* Converts the counter value to its <CODE>String</CODE> form.
|
|
* @return The <CODE>String</CODE> representation of the value.
|
|
*/
|
|
public String toString() {
|
|
return String.valueOf(value) ;
|
|
}
|
|
|
|
/**
|
|
* Converts the counter value to its <CODE>SnmpOid</CODE> form.
|
|
* @return The OID representation of the value.
|
|
*/
|
|
public SnmpOid toOid() {
|
|
return new SnmpOid(value) ;
|
|
}
|
|
|
|
/**
|
|
* Extracts the counter from an index OID and returns its
|
|
* value converted as an <CODE>SnmpOid</CODE>.
|
|
* @param index The index array.
|
|
* @param start The position in the index array.
|
|
* @return The OID representing the counter value.
|
|
* @exception SnmpStatusException There is no counter value
|
|
* available at the start position.
|
|
*/
|
|
public static SnmpOid toOid(long[] index, int start) throws SnmpStatusException {
|
|
try {
|
|
return new SnmpOid(index[start]) ;
|
|
}
|
|
catch(IndexOutOfBoundsException e) {
|
|
throw new SnmpStatusException(SnmpStatusException.noSuchName) ;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Scans an index OID, skips the counter value and returns the position
|
|
* of the next value.
|
|
* @param index The index array.
|
|
* @param start The position in the index array.
|
|
* @return The position of the next value.
|
|
* @exception SnmpStatusException There is no counter value
|
|
* available at the start position.
|
|
*/
|
|
public static int nextOid(long[] index, int start) throws SnmpStatusException {
|
|
if (start >= index.length) {
|
|
throw new SnmpStatusException(SnmpStatusException.noSuchName) ;
|
|
}
|
|
else {
|
|
return start + 1 ;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Appends an <CODE>SnmpOid</CODE> representing an <CODE>SnmpCounter64</CODE> to another OID.
|
|
* @param source An OID representing an <CODE>SnmpCounter64</CODE> value.
|
|
* @param dest Where source should be appended.
|
|
*/
|
|
public static void appendToOid(SnmpOid source, SnmpOid dest) {
|
|
if (source.getLength() != 1) {
|
|
throw new IllegalArgumentException() ;
|
|
}
|
|
dest.append(source) ;
|
|
}
|
|
|
|
/**
|
|
* Performs a clone action. This provides a workaround for the
|
|
* <CODE>SnmpValue</CODE> interface.
|
|
* @return The SnmpValue clone.
|
|
*/
|
|
final synchronized public SnmpValue duplicate() {
|
|
return (SnmpValue)clone() ;
|
|
}
|
|
|
|
/**
|
|
* Clones the <CODE>SnmpCounter64</CODE> object, making a copy of its data.
|
|
* @return The object clone.
|
|
*/
|
|
final synchronized public Object clone() {
|
|
SnmpCounter64 newclone = null ;
|
|
try {
|
|
newclone = (SnmpCounter64) super.clone() ;
|
|
newclone.value = value ;
|
|
} catch (CloneNotSupportedException e) {
|
|
throw new InternalError(e) ; // vm bug.
|
|
}
|
|
return newclone ;
|
|
}
|
|
|
|
/**
|
|
* Returns a textual description of the type object.
|
|
* @return ASN.1 textual description.
|
|
*/
|
|
final public String getTypeName() {
|
|
return name ;
|
|
}
|
|
|
|
// VARIABLES
|
|
//----------
|
|
/**
|
|
* Name of the type.
|
|
*/
|
|
final static String name = "Counter64" ;
|
|
|
|
/**
|
|
* This is where the value is stored. This long is positive.
|
|
* @serial
|
|
*/
|
|
private long value = 0 ;
|
|
}
|