Initial commit

Lts/Services/AudioVideoManagement/vd_session.cpp

@@ -0,0 +1,58 @@
+/**
+  * @RDE_HEADER@
+  * VdSession
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  * Created by Astrid Müller, SGAS, 2018-02-26
+  */
+
+#include "vd_session.h"
+#include "vd_control.h"
+#include "ivd_comm.h"
+
+namespace AudioVideoManagement
+{
+
+VdSession::VdSession(VdControl *ctrl, int exerciseId, bool keepAliveEnabled)
+  : m_ctrl(ctrl)
+  , m_exerciseId(exerciseId)
+  , m_keepAliveEnabled(keepAliveEnabled)
+  , m_logger(getLogger("AvaSession"))
+{
+  Q_ASSERT(ctrl);
+
+  m_keepAliveTimer.setInterval(std::chrono::milliseconds(5000).count());
+  m_keepAliveTimer.setSingleShot(true);
+
+  connect(m_ctrl->comm(), &IVdComm::connected, this, &VdSession::onConnected);
+  connect(m_ctrl->comm(), &IVdComm::disconnected, this, &VdSession::onDisconnected);
+  connect(&m_keepAliveTimer, &QTimer::timeout, this, &VdSession::onKeepAliveTimerElapsed);
+}
+
+void VdSession::onConnected()
+{
+  m_ctrl->switchContext(m_exerciseId);
+
+  m_established = true;
+  if (m_keepAliveEnabled)
+    m_keepAliveTimer.start();
+  DEBUG_LOG(m_logger) << "session established";
+  emit sessionEstablished();
+}
+
+void VdSession::onDisconnected()
+{
+  m_keepAliveTimer.stop();
+  m_established = false;
+  DEBUG_LOG(m_logger) << "disconnected";
+  emit disconnected();
+}
+
+void VdSession::onKeepAliveTimerElapsed()
+{
+  m_ctrl->keepAlive();
+  m_keepAliveTimer.start();
+}
+
+} // namespace AudioVideoManagement