Initial commit

Lts/Services/AudioVideoManagement/av_control.h

@@ -0,0 +1,118 @@
+/**
+  * Communication with A/V system
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  */
+
+#pragma once
+
+#include "av_socket.h"
+#include "exercise_context.h"
+#include "logger.h"
+#include <boost/optional.hpp>
+#include <queue>
+
+namespace AudioVideoManagement
+{
+
+class AVControl final : public AVSocket
+{
+  Q_OBJECT
+public:
+  enum class BasicOperatingMode
+  {
+    Unknown = -1,
+    Reset = 0,
+    Shutdown = 1,
+    Service = 2,
+    PowerOn = 3
+  };
+  Q_ENUM(BasicOperatingMode)
+
+  enum class OperatingMode
+  {
+    Unknown = -1,
+    PowerOn = 3,
+    Initialization = 4,
+    Recording = 5,
+    Pause = 6,
+    SaveData = 8,
+    Cleanup = 10
+  };
+  Q_ENUM(OperatingMode)
+
+  enum class Commands
+  {
+    WrongSessionPriority = 102,
+    Ok = 200,
+    SessionDisabled = 207,
+    SessionEnabled = 208,
+    Context = 240,
+    BasicOperatingMode = 250,
+    ComponentBasicOperatingMode = 251,
+    OperatingMode = 255,
+    FMServerState = 260,
+    KeppAlive = 298,
+    WrongCommand = 400,
+    BadArguments = 401,
+    CommandTooLong = 403,
+    CommandNotAllowed = 405,
+    CommandNotImplemented = 410,
+    CommandNotStateValid = 455,
+    InternalError = 500,
+    InvalidRCPVersion = 505
+  };
+  Q_ENUM(Commands)
+
+  enum class Component
+  {
+    Unknown = 0,
+    Audio = 1,
+    Video = 2,
+    AudioAndVideo = 3
+  };
+  Q_ENUM(Component)
+
+public:
+  AVControl(const QString &avsServerHost, quint16 avsServerPort, QObject *parent = nullptr);
+  ~AVControl();
+
+Q_SIGNALS:
+  void operatingModeChanged(const ExerciseContext &context, Component comp, OperatingMode om);
+  void successfullyLoggedIn();
+public Q_SLOTS:
+  bool triggerAVUpdate();
+  bool setOperatingModeForContext(const ExerciseContext &context, OperatingMode om);
+
+private Q_SLOTS:
+  void onReadyRead() override;
+
+  void onSendKeepAlive();
+  void onCheckKeepAlive();
+
+private:
+  void sendNextPendingCommand();
+  bool trySendCommand(const boost::optional<ExerciseContext> &ctx, const QByteArray &cmd);
+  void checkBasicOperatingMode(BasicOperatingMode mode);
+  bool setOperatingMode(const ExerciseContext &context, Component component, OperatingMode mode);
+
+  BasicOperatingMode                  m_basicOperatingMode;
+  bool                                m_bWaitingForSwitchContext;
+  time_t                              m_keepAliveTime;
+  QTimer                             *m_keepAliveTimer;
+  boost::optional<ExerciseContext>    m_currentContext;
+
+  struct CommandToSend
+  {
+    boost::optional<ExerciseContext> ctx; //!< some commands don't require a context, e.g. SetBasicOperatingMode
+    QByteArray                       cmd;
+  };
+  std::queue<CommandToSend> m_commandsToSend;
+};
+std::ostream &operator <<(std::ostream &stream, AVControl::BasicOperatingMode bom);
+std::ostream &operator <<(std::ostream &stream, AVControl::OperatingMode om);
+std::ostream &operator <<(std::ostream &stream, AVControl::Commands cmd);
+std::ostream &operator <<(std::ostream &stream, AVControl::Component comp);
+
+} // namespace AudioVideoManagement