#include <simgear/timing/timestamp.hxx>
#include <simgear/structure/SGSharedPtr.hxx>
-#include "SGSmplstat.hxx"
-
+#include <simgear/misc/strutils.hxx>
class TimingInfo
{
const SGTimeStamp& getTime() const { return time; }
};
+class SampleStatistic;
+
typedef std::vector<TimingInfo> eventTimeVec;
typedef std::vector<TimingInfo>::iterator eventTimeVecIterator;
+typedef void (*SGSubsystemTimingCb)(void* userData, const std::string& name, SampleStatistic* pStatistic);
-\f
/**
* Basic interface for all FlightGear subsystems.
*
*/
virtual void init ();
+ typedef enum
+ {
+ INIT_DONE, ///< subsystem is fully initialised
+ INIT_CONTINUE ///< init should be called again
+ } InitStatus;
+
+ virtual InitStatus incrementalInit ();
/**
* Initialize parts that depend on other subsystems having been initialized.
/**
- * Suspend or resum operation of this subsystem.
+ * Suspend or resume operation of this subsystem.
*
* @param suspended true if the subsystem should be suspended, false
* otherwise.
*/
virtual bool is_suspended () const;
-
/**
- * Keep track of execution time.
- *
- * <p>This method keeps track of timing statistics for each subsystem.</p>
- *
- * @param time execution time in ms of last call.
+ * Trigger the callback to report timing information for all subsystems.
*/
- void updateExecutionTime(double time);
-
- /**
- * Print details of execution time.
- *
- * <p>For debugging purposes, developers can place stamp() calls
- * at strategic points in the update() function of each subsystem, which
- * record the time between the successive calls to stamp. This method,
- * printExecutionTime() is called after exectution of the subsystem
- * update function itself to conduct a post-hoc analysis of excecution
- * time</p>
- */
- void printTimingInformation();
+ void reportTiming(void);
/**
* Place time stamps at strategic points in the execution of subsystems
* update() member functions. Predominantly for debugging purposes.
*/
void stamp(const std::string& name);
-
-
protected:
bool _suspended;
eventTimeVec timingInfo;
- //int test;
+ static SGSubsystemTimingCb reportTimingCb;
+ static void* reportTimingUserData;
};
+typedef SGSharedPtr<SGSubsystem> SGSubsystemRef;
-\f
/**
* A group of FlightGear subsystems.
*/
SGSubsystemGroup ();
virtual ~SGSubsystemGroup ();
- virtual void init ();
+ virtual void init();
+ virtual InitStatus incrementalInit ();
virtual void postinit ();
virtual void reinit ();
virtual void shutdown ();
virtual void remove_subsystem (const std::string &name);
virtual bool has_subsystem (const std::string &name) const;
- void collectDebugTiming(bool collect);
+ /**
+ * Remove all subsystems.
+ */
+ virtual void clearSubsystems();
+
+ void reportTiming(void);
/**
- *
+ *
*/
void set_fixed_update_time(double fixed_dt);
+
+ /**
+ * retrive list of member subsystem names
+ */
+ string_list member_names() const;
+
private:
- class Member {
-
- private:
- Member (const Member &member);
- public:
- Member ();
- virtual ~Member ();
-
- virtual void update (double delta_time_sec);
- void printTimingInformation(double time);
- void printTimingStatistics();
- void updateExecutionTime(double time);
- double getTimeWarningThreshold();
- void collectDebugTiming (bool collect) { collectTimeStats = collect; };
-
- SampleStatistic timeStat;
- std::string name;
- SGSubsystem * subsystem;
- double min_step_sec;
- double elapsed_sec;
- bool collectTimeStats;
- int exceptionCount;
- };
-
- Member * get_member (const std::string &name, bool create = false);
+ class Member;
+ Member* get_member (const std::string &name, bool create = false);
- std::vector<Member *> _members;
+ typedef std::vector<Member *> MemberVec;
+ MemberVec _members;
double _fixedUpdateTime;
double _updateTimeRemainder;
+
+ /// index of the member we are currently init-ing
+ unsigned int _initPosition;
};
-
-\f
/**
* Manage subsystems for FlightGear.
*
enum GroupType {
INIT = 0,
GENERAL,
- FDM, ///< flight model, autopilot, instruments that run coupled
+ FDM, ///< flight model, autopilot, instruments that run coupled
POST_FDM, ///< certain subsystems depend on FDM data
DISPLAY, ///< view, camera, rendering updates
+ SOUND/*I want to be last!*/, ///< needs to run AFTER display, to allow concurrent GPU/sound processing
MAX_GROUPS
};
virtual ~SGSubsystemMgr ();
virtual void init ();
+ virtual InitStatus incrementalInit ();
virtual void postinit ();
virtual void reinit ();
virtual void shutdown ();
* remove a subsystem, and return a pointer to it.
* returns NULL if the subsystem was not found.
*/
- virtual SGSubsystem* remove(const char* name);
+ virtual void remove(const char* name);
virtual SGSubsystemGroup * get_group (GroupType group);
- virtual SGSubsystem * get_subsystem(const std::string &name) const;
+ virtual SGSubsystem* get_subsystem(const std::string &name) const;
- void collectDebugTiming(bool collect);
+ void reportTiming();
+ void setReportTimingCb(void* userData,SGSubsystemTimingCb cb) {reportTimingCb = cb;reportTimingUserData = userData;}
private:
-
SGSubsystemGroup* _groups[MAX_GROUPS];
-
+ unsigned int _initPosition;
+
+ // non-owning reference
typedef std::map<std::string, SGSubsystem*> SubsystemDict;
SubsystemDict _subsystem_map;
-
};
-
-
#endif // __SUBSYSTEM_MGR_HXX
-