Add face list display

Change-Id: Ide96107acc8ad59cefb0a619968d5c27cd9e94bb
diff --git a/src/face-status.cpp b/src/face-status.cpp
new file mode 100644
index 0000000..5a85ef4
--- /dev/null
+++ b/src/face-status.cpp
@@ -0,0 +1,157 @@
+/* -*- 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 "face-status.hpp"
+#include "face-status.moc"
+
+namespace ndn {
+
+FaceStatusModel::FaceStatusModel(QObject* parent/* = 0*/)
+  : QAbstractListModel(parent)
+{
+  connect(this, SIGNAL(onDataReceived(std::vector<ndn::nfd::FaceStatus>)), this,
+          SLOT(updateStatus(std::vector<ndn::nfd::FaceStatus>)),
+          Qt::QueuedConnection);
+}
+
+int
+FaceStatusModel::rowCount(const QModelIndex& parent/* = QModelIndex()*/) const
+{
+  return m_items.count();
+}
+
+void
+FaceStatusModel::addItem(const FaceStatusItem& item)
+{
+  beginInsertRows(QModelIndex(), rowCount(), rowCount());
+  m_items << item;
+  endInsertRows();
+}
+
+QVariant
+FaceStatusModel::data(const QModelIndex& index, int role) const
+{
+  if (index.row() < 0 || index.row() >= m_items.count()) {
+    return QVariant();
+  }
+
+  const FaceStatusItem& item = m_items.at(index.row());
+  if (role == FaceIdRole) {
+    return static_cast<uint>(item.faceId());
+  }
+  else if (role == RemoteRole) {
+    return item.remote();
+  }
+  else if (role == LocalRole) {
+    return item.local();
+  }
+  else if (role == ScopeRole) {
+    return item.scope();
+  }
+  else if (role == PersistencyRole) {
+    return item.persistency();
+  }
+  else if (role == LinkTypeRole) {
+    return item.linkType();
+  }
+  else if (role == InInterestRole) {
+    return static_cast<uint>(item.inInterest());
+  }
+  else if (role == OutInterestRole) {
+    return static_cast<uint>(item.outInterest());
+  }
+  else if (role == InDataRole) {
+    return static_cast<uint>(item.inData());
+  }
+  else if (role == OutDataRole) {
+    return static_cast<uint>(item.outData());
+  }
+  else if (role == InByteRole) {
+    return static_cast<uint>(item.inByte());
+  }
+  else if (role == OutByteRole) {
+    return static_cast<uint>(item.outByte());
+  }
+  else if (role == InNackRole) {
+    return static_cast<uint>(item.inNack());
+  }
+  else if (role == OutNackRole) {
+    return static_cast<uint>(item.outNack());
+  }
+
+  return QVariant();
+}
+
+QHash<int, QByteArray>
+FaceStatusModel::roleNames() const
+{
+  QHash<int, QByteArray> roles;
+  roles[FaceIdRole] = "faceId";
+  roles[RemoteRole] = "remote";
+  roles[LocalRole] = "local";
+  roles[ScopeRole] = "scope";
+  roles[PersistencyRole] = "persistency";
+  roles[LinkTypeRole] = "linkType";
+  roles[InInterestRole] = "inInterest";
+  roles[OutInterestRole] = "outInterest";
+  roles[InDataRole] = "inData";
+  roles[OutDataRole] = "outData";
+  roles[InByteRole] = "inByte";
+  roles[OutByteRole] = "outByte";
+  roles[InNackRole] = "inNack";
+  roles[OutNackRole] = "outNack";
+  return roles;
+}
+
+void
+FaceStatusModel::clear()
+{
+  beginResetModel();
+  m_items.clear();
+  endResetModel();
+}
+
+void
+FaceStatusModel::updateStatus(std::vector<ndn::nfd::FaceStatus> status)
+{
+  beginResetModel();
+  m_items.clear();
+  for (auto const& faceEntry : status) {
+    QString faceScope = (faceEntry.getFaceScope() == ndn::nfd::FACE_SCOPE_LOCAL) ? QString("Local") : QString("Non-Local");
+    QString facePersistency = (faceEntry.getFacePersistency() == ndn::nfd::FACE_PERSISTENCY_PERSISTENT) ? QString("Persistent") :
+                              ((faceEntry.getFacePersistency() == ndn::nfd::FACE_PERSISTENCY_PERMANENT) ? QString("Permanent") :
+                              QString("On-Demand"));
+    QString faceLinkType = (faceEntry.getLinkType() == ndn::nfd::LINK_TYPE_MULTI_ACCESS) ? QString("Multi-Access") :
+                           QString("Point-to-Point");
+    addItem(FaceStatusItem(faceEntry.getFaceId(), QString::fromStdString(faceEntry.getRemoteUri()),
+                           QString::fromStdString(faceEntry.getLocalUri()), faceScope, facePersistency, faceLinkType,
+                           faceEntry.getNInInterests(), faceEntry.getNOutInterests(), faceEntry.getNInDatas(),
+                           faceEntry.getNOutDatas(), faceEntry.getNInBytes(), faceEntry.getNOutBytes(),
+                           faceEntry.getNInNacks(), faceEntry.getNOutNacks()));
+  }
+  endResetModel();
+}
+
+void
+FaceStatusModel::onTimeout()
+{
+  std::cerr << "Request timed out (should not really happen)" << std::endl;
+}
+
+} // namespace ndn