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tdeutils/ksim/monitors/snmp/identifier.cpp

130 lines
3.3 KiB

/* This file is part of the KDE project
Copyright (C) 2003 Simon Hausmann <hausmann@kde.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This program 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 for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "identifier.h"
#include "snmp_p.h"
#include "snmplib.h"
#include <assert.h>
using namespace KSim::Snmp;
Identifier::Data::Data( const oid *d, size_t length )
{
memcpy( data, d, length * sizeof( oid ) );
this->length = length;
}
Identifier::Identifier()
: d( new Data )
{
}
Identifier::Identifier( Data *data )
: d( data )
{
assert( d );
}
Identifier::Identifier( const Identifier &rhs )
: d( new Data( *rhs.d ) )
{
}
Identifier &Identifier::operator=( const Identifier &rhs )
{
if ( d == rhs.d )
return *this;
*d = *rhs.d;
return *this;
}
Identifier::~Identifier()
{
delete d;
}
Identifier Identifier::fromString( const QString &name, bool *ok )
{
Identifier res;
res.d->length = MAX_OID_LEN;
// if ( !get_node( name.ascii(), res.d->data, &res.d->length ) ) {
if ( name.isEmpty() || !SnmpLib::self()->snmp_parse_oid( name.ascii(), res.d->data, &res.d->length ) ) {
if ( ok )
*ok = false;
return Identifier();
}
if ( ok )
*ok = true;
return res;
}
QString Identifier::toString( PrintFlags flags ) const
{
size_t buflen = 256;
size_t outlen = 0;
int overflow = 0;
u_char *buf = ( u_char* )calloc( buflen, 1 );
if ( !buf )
return QString::null;
int oldOutpuFormat = SnmpLib::self()->netsnmp_ds_get_int( NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OID_OUTPUT_FORMAT );
SnmpLib::self()->netsnmp_ds_set_int( NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OID_OUTPUT_FORMAT,
flags == PrintAscii ? NETSNMP_OID_OUTPUT_MODULE : NETSNMP_OID_OUTPUT_NUMERIC );
SnmpLib::self()->netsnmp_sprint_realloc_objid_tree( &buf, &buflen, &outlen, 1 /* alloc realloc */,
&overflow, d->data, d->length );
SnmpLib::self()->netsnmp_ds_set_int( NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OID_OUTPUT_FORMAT, oldOutpuFormat );
if ( overflow ) {
free( buf );
return QString::null;
}
QString result = QString::fromAscii( ( char* )buf );
free( buf );
return result;
}
bool Identifier::operator==( const Identifier &rhs ) const
{
return SnmpLib::self()->netsnmp_oid_equals( d->data, d->length, rhs.d->data, rhs.d->length ) == 0;
}
bool Identifier::operator<( const Identifier &rhs ) const
{
return SnmpLib::self()->snmp_oid_compare( d->data, d->length, rhs.d->data, rhs.d->length ) < 0;
}
bool Identifier::isNull() const
{
return d->length == 0;
}
/* vim: et sw=4 ts=4
*/