Add RIB list display

Change-Id: I13a7fa26022e48bbc7f3e3720c1db19abe79d0b5
diff --git a/src/rib-status.cpp b/src/rib-status.cpp
new file mode 100644
index 0000000..2b80773
--- /dev/null
+++ b/src/rib-status.cpp
@@ -0,0 +1,132 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2017, Regents of the University of California,
+ *
+ * This file is part of NFD Control Center.  See AUTHORS.md for complete list of NFD
+ * authors and contributors.
+ *
+ * NFD Control Center 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.
+ *
+ * NFD Control Center 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 NFD
+ * Control Center, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "rib-status.hpp"
+#include "rib-status.moc"
+
+namespace ndn {
+
+RibStatusModel::RibStatusModel(QObject* parent/* = 0*/)
+  : QAbstractListModel(parent)
+{
+  connect(this, SIGNAL(onDataReceived(std::vector<ndn::nfd::RibEntry>)), this,
+          SLOT(updateStatus(std::vector<ndn::nfd::RibEntry>)),
+          Qt::QueuedConnection);
+}
+
+int
+RibStatusModel::rowCount(const QModelIndex& parent/* = QModelIndex()*/) const
+{
+  return m_items.count();
+}
+
+void
+RibStatusModel::addItem(const RibStatusItem& item)
+{
+  beginInsertRows(QModelIndex(), rowCount(), rowCount());
+  m_items << item;
+  endInsertRows();
+}
+
+QVariant
+RibStatusModel::data(const QModelIndex& index, int role) const
+{
+  if (index.row() < 0 || index.row() >= m_items.count()) {
+    return QVariant();
+  }
+
+  const RibStatusItem& item = m_items.at(index.row());
+  if (role == PrefixRole) {
+    return item.prefix();
+  }
+  else if (role == FaceIdRole) {
+    return static_cast<uint>(item.faceId());
+  }
+  else if (role == OriginRole) {
+    return static_cast<uint>(item.origin());
+  }
+  else if (role == CostRole) {
+    return static_cast<uint>(item.cost());
+  }
+  else if (role == ChildRole) {
+    return item.child();
+  }
+  else if (role == RibCapRole) {
+    return item.ribcap();
+  }
+  else if (role == ExpRole) {
+    return item.exp();
+  }
+
+  return QVariant();
+}
+
+QHash<int, QByteArray>
+RibStatusModel::roleNames() const
+{
+  QHash<int, QByteArray> roles;
+  roles[PrefixRole] = "prefix";
+  roles[FaceIdRole] = "faceId";
+  roles[OriginRole] = "origin";
+  roles[CostRole] = "cost";
+  roles[ChildRole] = "childinherit";
+  roles[RibCapRole] = "ribcapture";
+  roles[ExpRole] = "expiresin";
+  return roles;
+}
+
+void
+RibStatusModel::clear()
+{
+  beginResetModel();
+  m_items.clear();
+  endResetModel();
+}
+
+void
+RibStatusModel::updateStatus(std::vector<ndn::nfd::RibEntry> status)
+{
+  beginResetModel();
+  m_items.clear();
+  for (auto const& ribEntry : status) {
+    bool isSamePrefix = false;
+    for (auto const& route : ribEntry.getRoutes()) {
+      QString expirationPeriod = route.hasInfiniteExpirationPeriod() ? QString("Never") :
+                                 QString::fromStdString(std::to_string(route.getExpirationPeriod().count()));
+      if (!isSamePrefix) {
+        addItem(RibStatusItem(QString::fromStdString(ribEntry.getName().toUri()), route.getFaceId(), route.getOrigin(),
+                              route.getCost(), route.isChildInherit(), route.isRibCapture(), expirationPeriod));
+        isSamePrefix = true;
+      }
+      else {
+        addItem(RibStatusItem(QString(""), route.getFaceId(), route.getOrigin(), route.getCost(), route.isChildInherit(),
+                              route.isRibCapture(), expirationPeriod));
+      }
+    }
+  }
+  endResetModel();
+}
+
+void
+RibStatusModel::onTimeout()
+{
+  std::cerr << "Request timed out (should not really happen)" << std::endl;
+}
+
+} // namespace ndn