ostinato/client/arpstatusmodel.cpp

160 lines
3.8 KiB
C++

/*
Copyright (C) 2016 Srivats P.
This file is part of "Ostinato"
This 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 3 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. If not, see <http://www.gnu.org/licenses/>
*/
#include "arpstatusmodel.h"
#include "port.h"
#include "emulproto.pb.h"
#include <QHostAddress>
enum {
kIp4Address,
kMacAddress,
kStatus,
kFieldCount
};
static QStringList columns_ = QStringList()
<< "IPv4 Address"
<< "Mac Address"
<< "Status";
ArpStatusModel::ArpStatusModel(QObject *parent)
: QAbstractTableModel(parent)
{
port_ = NULL;
deviceIndex_ = -1;
neighbors_ = NULL;
}
int ArpStatusModel::rowCount(const QModelIndex &parent) const
{
if (!port_ || deviceIndex_ < 0 || parent.isValid())
return 0;
return port_->numArp(deviceIndex_);
}
int ArpStatusModel::columnCount(const QModelIndex &parent) const
{
if (parent.isValid())
return 0;
return columns_.size();
}
QVariant ArpStatusModel::headerData(
int section,
Qt::Orientation orientation,
int role) const
{
if (role != Qt::DisplayRole)
return QVariant();
switch (orientation) {
case Qt::Horizontal:
return columns_[section];
case Qt::Vertical:
return QString("%1").arg(section + 1);
default:
Q_ASSERT(false); // Unreachable
}
return QVariant();
}
QVariant ArpStatusModel::data(const QModelIndex &index, int role) const
{
QString str;
if (!port_ || deviceIndex_ < 0 || !index.isValid())
return QVariant();
int arpIdx = index.row();
int field = index.column();
Q_ASSERT(arpIdx < port_->numArp(deviceIndex_));
Q_ASSERT(field < kFieldCount);
const OstEmul::ArpEntry &arp = neighbors_->arp(arpIdx);
switch (field) {
case kIp4Address:
switch (role) {
case Qt::DisplayRole:
return QHostAddress(arp.ip4()).toString();
default:
break;
}
return QVariant();
case kMacAddress:
switch (role) {
case Qt::DisplayRole:
return QString("%1").arg(arp.mac(), 6*2, 16, QChar('0'))
.replace(QRegExp("([0-9a-fA-F]{2}\\B)"), "\\1:")
.toUpper();
default:
break;
}
return QVariant();
case kStatus:
switch (role) {
case Qt::DisplayRole:
return arp.mac() ?
QString("Resolved") : QString("Failed");
default:
break;
}
return QVariant();
default:
Q_ASSERT(false); // unreachable!
break;
}
qWarning("%s: Unsupported field #%d", __FUNCTION__, field);
return QVariant();
}
Qt::DropActions ArpStatusModel::supportedDropActions() const
{
return Qt::IgnoreAction; // read-only model, doesn't accept any data
}
void ArpStatusModel::setDeviceIndex(Port *port, int deviceIndex)
{
beginResetModel();
port_ = port;
deviceIndex_ = deviceIndex;
if (port_)
neighbors_ = port_->deviceNeighbors(deviceIndex);
endResetModel();
}
void ArpStatusModel::updateArpStatus()
{
// FIXME: why needed?
beginResetModel();
endResetModel();
}