+
// Written by David Megginson, started 2000-12
//
// Copyright (C) 2000 David Megginson, david@megginson.com
#include <string>
#include <map>
#include <vector>
-SG_USING_STD(map);
-SG_USING_STD(vector);
-SG_USING_STD(string);
-#include <simgear/props/props.hxx>
#include <simgear/timing/timestamp.hxx>
-#include "SGSmplstat.hxx"
-
+#include <simgear/structure/SGSharedPtr.hxx>
+#include <simgear/misc/strutils.hxx>
class TimingInfo
{
private:
- string eventName;
+ std::string eventName;
SGTimeStamp time;
public:
- TimingInfo(string name, SGTimeStamp &t) { eventName = name; time = t;};
- string getName() { return eventName; };
- SGTimeStamp getTime() { return time; };
+ TimingInfo(const std::string& name, const SGTimeStamp &t) :
+ eventName(name), time(t)
+ { }
+ const std::string& getName() const { return eventName; }
+ const SGTimeStamp& getTime() const { return time; }
};
-typedef vector<TimingInfo> eventTimeVec;
-typedef vector<TimingInfo>::iterator eventTimeVecIterator;
+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
/**
*/
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.
virtual void reinit ();
+ /**
+ * Shutdown the subsystem.
+ *
+ * <p>Release any state associated with subsystem. Shutdown happens in
+ * the reverse order to init(), so this is the correct place to do
+ * shutdown that depends on other subsystems.
+ * </p>
+ */
+ virtual void shutdown ();
+
/**
* Acquire the subsystem's property bindings.
*
/**
- * 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(string name);
-
-
+ void stamp(const std::string& name);
protected:
bool _suspended;
eventTimeVec timingInfo;
- //int test;
+ static SGSubsystemTimingCb reportTimingCb;
+ static void* reportTimingUserData;
};
SGSubsystemGroup ();
virtual ~SGSubsystemGroup ();
- virtual void init ();
+ virtual void init();
+ virtual InitStatus incrementalInit ();
virtual void postinit ();
virtual void reinit ();
+ virtual void shutdown ();
virtual void bind ();
virtual void unbind ();
virtual void update (double delta_time_sec);
virtual void resume ();
virtual bool is_suspended () const;
- virtual void set_subsystem (const string &name,
+ virtual void set_subsystem (const std::string &name,
SGSubsystem * subsystem,
double min_step_sec = 0);
- virtual SGSubsystem * get_subsystem (const string &name);
- virtual void remove_subsystem (const string &name);
- virtual bool has_subsystem (const string &name) const;
+ virtual SGSubsystem * get_subsystem (const std::string &name);
+ virtual void remove_subsystem (const std::string &name);
+ virtual bool has_subsystem (const std::string &name) const;
- void collectDebugTiming(bool collect);
+ void reportTiming(void);
+ /**
+ *
+ */
+ void set_fixed_update_time(double fixed_dt);
+
+ /**
+ * retrive list of member subsystem names
+ */
+ string_list member_names() const;
+
private:
- struct Member {
-
- Member ();
- Member (const Member &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;
- string name;
- SGSubsystem * subsystem;
- double min_step_sec;
- double elapsed_sec;
- bool collectTimeStats;
- };
-
- Member * get_member (const string &name, bool create = false);
+ class Member;
+ Member* get_member (const std::string &name, bool create = false);
- vector<Member *> _members;
+ std::vector<Member *> _members;
+
+ double _fixedUpdateTime;
+ double _updateTimeRemainder;
+
+ /// index of the member we are currently init-ing
+ unsigned int _initPosition;
};
enum GroupType {
INIT = 0,
GENERAL,
+ 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 ();
virtual void bind ();
virtual void unbind ();
virtual void update (double delta_time_sec);
GroupType group = GENERAL,
double min_time_sec = 0);
+ /**
+ * remove a subsystem, and return a pointer to it.
+ * returns NULL if the subsystem was not found.
+ */
+ virtual SGSubsystem* remove(const char* name);
+
virtual SGSubsystemGroup * get_group (GroupType group);
- virtual SGSubsystem * get_subsystem(const string &name);
+ 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];
- map<string,SGSubsystem *> _subsystem_map;
-
+ SGSubsystemGroup* _groups[MAX_GROUPS];
+ unsigned int _initPosition;
+
+ typedef std::map<std::string, SGSubsystem*> SubsystemDict;
+ SubsystemDict _subsystem_map;
};
projects / simgear.git / blobdiff