#include <map>
#include <signal.h>
+#include <iostream> //todo: remove me
namespace am
{
-static volatile sig_atomic_t gDispatchDone = 0; //this global is used to stop the mainloop
+#define MAX_NS 1000000000L
typedef uint16_t sh_timerHandle_t; //!<this is a handle for a timer to be used with the SocketHandler
typedef uint16_t sh_pollHandle_t; //!<this is a handle for a filedescriptor to be used with the SocketHandler
{
public:
virtual void Call(const sh_pollHandle_t handle, void* userData)=0;
- virtual ~IAmShPollPrepare(){};
+ virtual ~IAmShPollPrepare()
+ {
+ }
+ ;
};
/**
{
public:
virtual void Call(const pollfd pollfd, const sh_pollHandle_t handle, void* userData)=0;
- virtual ~ IAmShPollFired(){};
+ virtual ~ IAmShPollFired()
+ {
+ }
+ ;
};
/**
{
public:
virtual bool Call(const sh_pollHandle_t handle, void* userData)=0;
- virtual ~ IAmShPollCheck(){};
+ virtual ~ IAmShPollCheck()
+ {
+ }
+ ;
};
/**
{
public:
virtual bool Call(const sh_pollHandle_t handle, void* userData)=0;
- virtual ~ IAmShPollDispatch(){};
+ virtual ~ IAmShPollDispatch()
+ {
+ }
+ ;
};
/**
{
public:
virtual void Call(const sh_timerHandle_t handle, void* userData)=0;
- virtual ~IAmShTimerCallBack(){};
+ virtual ~IAmShTimerCallBack()
+ {
+ }
+ ;
};
/**
class CAmSocketHandler
{
public:
+ template<class TClass> class TAmShPollFired: public IAmShPollFired
+ {
+ private:
+ TClass* mInstance;
+ void (TClass::*mFunction)(const pollfd pollfd, const sh_pollHandle_t handle, void* userData);
+
+ public:
+ TAmShPollFired(TClass* instance, void (TClass::*function)(const pollfd pollfd, const sh_pollHandle_t handle, void* userData)) :
+ mInstance(instance), //
+ mFunction(function) {};
+
+ virtual void Call(const pollfd pollfd, const sh_pollHandle_t handle, void* userData)
+ {
+ (*mInstance.*mFunction)(pollfd, handle, userData);
+ };
+ };
+
+ template<class TClass> class TAmShPollCheck: public IAmShPollCheck
+ {
+ private:
+ TClass* mInstance;
+ bool (TClass::*mFunction)(const sh_pollHandle_t handle, void* userData);
+
+ public:
+ TAmShPollCheck(TClass* instance, bool (TClass::*function)(const sh_pollHandle_t handle, void* userData)) :
+ mInstance(instance), //
+ mFunction(function) {};
+
+ virtual bool Call(const sh_pollHandle_t handle, void* userData)
+ {
+ return ((*mInstance.*mFunction)(handle, userData));
+ };
+ };
+
CAmSocketHandler();
~CAmSocketHandler();
am_Error_e addFDPoll(const int fd, const short event, IAmShPollPrepare *prepare, IAmShPollFired *fired, IAmShPollCheck *check, IAmShPollDispatch *dispatch, void* userData, sh_pollHandle_t& handle);
am_Error_e removeFDPoll(const sh_pollHandle_t handle);
am_Error_e updateEventFlags(const sh_pollHandle_t handle, const short events);
- am_Error_e addTimer(const timespec timeouts, IAmShTimerCallBack*& callback, sh_timerHandle_t& handle, void* userData);
+ am_Error_e addTimer(const timespec timeouts, IAmShTimerCallBack* callback, sh_timerHandle_t& handle, void* userData);
am_Error_e removeTimer(const sh_timerHandle_t handle);
- am_Error_e restartTimer(const sh_timerHandle_t handle, const timespec timeouts);
+ am_Error_e restartTimer(const sh_timerHandle_t handle);
+ am_Error_e updateTimer(const sh_timerHandle_t handle, const timespec timeouts);
am_Error_e stopTimer(const sh_timerHandle_t handle);
void start_listenting();
void stop_listening();
+ void exit_mainloop();
+ void receiverCallback(const pollfd pollfd, const sh_pollHandle_t handle, void* userData)
+ {
+ (void) pollfd;
+ (void) handle;
+ (void) userData;
+ };
+ bool checkerCallback(const sh_pollHandle_t handle, void* userData)
+ {
+ (void) handle;
+ (void) userData;
+ return (false);
+ };
+
+ TAmShPollFired<CAmSocketHandler> receiverCallbackT;
+ TAmShPollCheck<CAmSocketHandler> checkerCallbackT;
+
private:
+
+ static CAmSocketHandler* mInstance;
+ int mPipe[2];
+ int mDispatchDone; //this starts / stops the mainloop
struct sh_timer_s //!<struct that holds information of timers
{
sh_timerHandle_t handle; //!<the handle of the timer
timespec countdown; //!<the countdown, this value is decreased every time the timer is up
- timespec timeout; //!<the original timer value
IAmShTimerCallBack* callback; //!<the callbackfunction
void * userData; //!<saves a void pointer together with the rest.
};
- typedef std::reverse_iterator<sh_timer_s> rListTimerIter;
-
- class CAmShSubstractTime //!<functor to easy substract from each countdown value
- {
- private:
- timespec param;
- public:
- CAmShSubstractTime(timespec param) :
- param(param){}
- inline void operator()(sh_timer_s& t) const;
- };
+ typedef std::reverse_iterator<sh_timer_s> rListTimerIter; //!<typedef for reverseiterator on timer lists
struct sh_poll_s //!<struct that holds information about polls
{
sh_pollHandle_t handle; //!<handle to uniquely adress a filedesriptor
- IAmShPollPrepare *prepareCB;
- IAmShPollFired *firedCB;
- IAmShPollCheck *checkCB;
- IAmShPollDispatch *dispatchCB;
+ IAmShPollPrepare *prepareCB; //!<pointer to preperation callback
+ IAmShPollFired *firedCB; //!<pointer to fired callback
+ IAmShPollCheck *checkCB; //!< pointer to check callback
+ IAmShPollDispatch *dispatchCB; //!<pointer to dispatch callback
pollfd pollfdValue; //!<the array for polling the filedescriptors
void *userData; //!<userdata saved together with the callback.
};
typedef std::vector<pollfd> mListPollfd_t; //!<vector of filedescriptors
typedef std::vector<sh_poll_s> mListPoll_t; //!<list for the callbacks
- class CAmShCopyPollfd
- {
- private:
- mListPollfd_t& mArray;
- public:
- CAmShCopyPollfd(mListPollfd_t& dest) :
- mArray(dest){}
- void operator()(const sh_poll_s& row)
- {
- pollfd temp = row.pollfdValue;
- temp.revents = 0;
- mArray.push_back(temp);
- }
- };
-
- class CAmShMatchingFd
- {
- private:
- int mFD, mEventFlag;
- public:
- CAmShMatchingFd(int fd, int eventFlag) :
- mFD(fd), //
- mEventFlag(eventFlag)
- { }
- bool operator()(const sh_poll_s& a)
- {
- return (((a.pollfdValue.fd == mFD) && (a.pollfdValue.events == mEventFlag)) ? true : false);
- }
- };
-
- class CAmShCallFire
- {
- public:
- CAmShCallFire(){};
- void operator()(sh_poll_s& row)
- {
- row.firedCB->Call(row.pollfdValue, row.handle, row.userData);
- }
- };
-
- class CAmShCallPrep
- {
- public:
- CAmShCallPrep(){};
- void operator()(sh_poll_s& row)
- {
- if (row.prepareCB)
- row.prepareCB->Call(row.handle, row.userData);
- }
- };
-
- class CAmShCallTimer
- {
- public:
- CAmShCallTimer(){};
- void operator()(sh_timer_s& row)
- {
- row.callback->Call(row.handle, row.userData);
- }
- };
-
- class CAmShCountdownUp
- {
- public:
- CAmShCountdownUp(){};
- bool operator()(sh_timer_s& row)
- {
- if (row.countdown.tv_nsec == 0 && row.countdown.tv_sec == 0)
- return (true);
- return (false);
- }
- };
-
- class CAmShCountdownSame
- {
- private:
- sh_timer_s mCompareValue;
- public:
- CAmShCountdownSame(sh_timer_s& a) :
- mCompareValue(a)
- {}
- bool operator()(const sh_timer_s& b)
- {
- return ((mCompareValue.countdown.tv_sec == b.countdown.tv_sec) && (mCompareValue.countdown.tv_nsec == b.countdown.tv_nsec) ? true : false);
- }
- };
-
bool fdIsValid(const int fd) const;
- void initTimer();
void timerUp();
void timerCorrection();
- int timespec2ms(const timespec& time);
timespec* insertTime(timespec& buffertime);
- static bool compareCountdown(const sh_timer_s& a, const sh_timer_s& b)
+ /**
+ * compares countdown values
+ * @param a
+ * @param b
+ * @return true if b greater a
+ */
+ inline static bool compareCountdown(const sh_timer_s& a, const sh_timer_s& b)
{
return ((a.countdown.tv_sec == b.countdown.tv_sec) ? (a.countdown.tv_nsec < b.countdown.tv_nsec) : (a.countdown.tv_sec < b.countdown.tv_sec));
}
* @param b
* @return subtracted value
*/
- static timespec timespecSub(const timespec& a, const timespec& b)
+ inline static timespec timespecSub(const timespec& a, const timespec& b)
{
timespec result;
result.tv_sec = a.tv_sec - b.tv_sec;
if (a.tv_nsec < b.tv_nsec)
{
- result.tv_nsec = a.tv_nsec + 1000000000L - b.tv_nsec;
+ result.tv_nsec = a.tv_nsec + MAX_NS - b.tv_nsec;
result.tv_sec--; /* Borrow a second. */
}
else
return (result);
}
- static timespec timespecAdd(const timespec& a, const timespec b)
+ /**
+ * adds timespec values
+ * @param a
+ * @param b
+ * @return the added values
+ */
+ inline timespec timespecAdd(const timespec& a, const timespec& b)
{
timespec result;
result.tv_sec = a.tv_sec + b.tv_sec;
result.tv_nsec = a.tv_nsec + b.tv_nsec;
- if (result.tv_nsec >= 1000000000L)
+ if (result.tv_nsec >= MAX_NS)
{
result.tv_sec++;
- result.tv_nsec = result.tv_nsec - 1000000000L;
+ result.tv_nsec = result.tv_nsec - MAX_NS;
}
return (result);
}
- static int timespecCompare(const timespec& a, const timespec& b)
+ /**
+ * comapares timespec values
+ * @param a
+ * @param b
+ * @return
+ */
+ inline int timespecCompare(const timespec& a, const timespec& b)
{
//less
if (a.tv_sec < b.tv_sec)
return (0);
}
+ /**
+ * functor to return all fired events
+ * @param a
+ * @return
+ */
inline static bool eventFired(const pollfd& a)
{
return (a.revents == 0 ? false : true);
}
+ /**
+ * functor to help find the items that do not need dispatching
+ * @param a
+ * @return
+ */
inline static bool noDispatching(const sh_poll_s& a)
{
//remove from list of there is no checkCB
return (!a.checkCB->Call(a.handle, a.userData));
}
+ /**
+ * checks if dispatching is already finished
+ * @param a
+ * @return
+ */
inline static bool dispatchingFinished(const sh_poll_s& a)
{
//remove from list of there is no dispatchCB
return (!a.dispatchCB->Call(a.handle, a.userData));
}
- mListPollfd_t mfdPollingArray;
- mListPoll_t mListPoll;
+ class CAmShCopyPollfd //!< functor to copy filedescriptors into the poll array
+ {
+ private:
+ mListPollfd_t& mArray;
+ public:
+ CAmShCopyPollfd(mListPollfd_t& dest) :
+ mArray(dest)
+ {
+ }
+ void operator()(const sh_poll_s& row)
+ {
+ pollfd temp = row.pollfdValue;
+ temp.revents = 0;
+ mArray.push_back(temp);
+ }
+ };
+
+ class CAmShCallFire //!< functor to call the firecallbacks
+ {
+ public:
+ CAmShCallFire()
+ {
+ }
+ ;
+ void operator()(sh_poll_s& row)
+ {
+ row.firedCB->Call(row.pollfdValue, row.handle, row.userData);
+ }
+ };
+
+ class CAmShCallPrep //!< functor to call the preparation callbacks
+ {
+ public:
+ CAmShCallPrep()
+ {
+ }
+ ;
+ void operator()(sh_poll_s& row)
+ {
+ if (row.prepareCB)
+ row.prepareCB->Call(row.handle, row.userData);
+ }
+ };
+
+ class CAmShCallTimer //!<functor to call a timer
+ {
+ public:
+ CAmShCallTimer()
+ {
+ }
+ ;
+ void operator()(sh_timer_s& row)
+ {
+ row.callback->Call(row.handle, row.userData);
+ }
+ };
+
+ class CAmShCountdownUp //!<functor that checks if a timer is up
+ {
+ private:
+ timespec mDiffTime;
+ public:
+ CAmShCountdownUp(const timespec& differenceTime) :
+ mDiffTime(differenceTime)
+ {
+ }
+ ;
+ bool operator()(const sh_timer_s& row)
+ {
+ timespec sub = timespecSub(row.countdown, mDiffTime);
+ if (sub.tv_nsec == 0 && sub.tv_sec == 0)
+ return (true);
+ return (false);
+ }
+ };
+
+ class CAmShCountdownZero //!<functor that checks if a timer is zero
+ {
+ public:
+ CAmShCountdownZero()
+ {
+ }
+ ;
+ bool operator()(const sh_timer_s& row)
+ {
+ if (row.countdown.tv_nsec == 0 && row.countdown.tv_sec == 0)
+ return (true);
+ return (false);
+ }
+ };
+
+ class CAmShSubstractTime //!<functor to easy substract from each countdown value
+ {
+ private:
+ timespec param;
+ public:
+ CAmShSubstractTime(timespec param) :
+ param(param)
+ {
+ }
+ inline void operator()(sh_timer_s& t)
+ {
+ t.countdown = timespecSub(t.countdown, param);
+ }
+ };
+
+ mListPollfd_t mfdPollingArray; //!<the polling array for ppoll
+ mListPoll_t mListPoll; //!<list that holds all information for the ppoll
std::list<sh_timer_s> mListTimer; //!<list of all timers
std::list<sh_timer_s> mListActiveTimer; //!<list of all currently active timers
- sh_timerHandle_t mLastInsertedHandle;
- sh_pollHandle_t mLastInsertedPollHandle;
- bool mRecreatePollfds;
- timespec mStartTime;
+ sh_timerHandle_t mLastInsertedHandle; //!<keeps track of the last inserted timer handle
+ sh_pollHandle_t mLastInsertedPollHandle; //!<keeps track of the last inserted poll handle
+ bool mRecreatePollfds; //!<when this is true, the poll list needs to be recreated
+ timespec mStartTime; //!<here the actual time is saved for timecorrection
+
+// void debugPrintTimerList ()
+// {
+// std::list<sh_timer_s>::iterator it(mListActiveTimer.begin());
+// for(;it!=mListActiveTimer.end();++it)
+// {
+// std::cout<< "Handle " << it->handle << "sec " << it->countdown.tv_sec << "nsec " << it->countdown.tv_nsec<<std::endl;
+// }
+// }
}
;
public:
TAmShTimerCallBack(TClass* instance, void (TClass::*function)(sh_timerHandle_t handle, void* userData)) :
mInstance(instance), //
- mFunction(function){};
+ mFunction(function)
+ {
+ }
+ ;
virtual void Call(sh_timerHandle_t handle, void* userData)
{
public:
TAmShPollPrepare(TClass* instance, void (TClass::*function)(const sh_timerHandle_t handle, void* userData)) :
mInstance(instance), //
- mFunction(function){};
+ mFunction(function)
+ {
+ }
+ ;
virtual void Call(const sh_timerHandle_t handle, void* userData)
{
(*mInstance.*mFunction)(handle, userData);
- };
+ }
+ ;
};
-/**
+/**make private, not public
* template for a callback
*/
template<class TClass> class TAmShPollFired: public IAmShPollFired
public:
TAmShPollFired(TClass* instance, void (TClass::*function)(const pollfd pollfd, const sh_pollHandle_t handle, void* userData)) :
mInstance(instance), //
- mFunction(function){};
+ mFunction(function)
+ {
+ }
+ ;
virtual void Call(const pollfd pollfd, const sh_pollHandle_t handle, void* userData)
{
(*mInstance.*mFunction)(pollfd, handle, userData);
- };
+ }
+ ;
};
/**
public:
TAmShPollCheck(TClass* instance, bool (TClass::*function)(const sh_pollHandle_t handle, void* userData)) :
mInstance(instance), //
- mFunction(function){};
+ mFunction(function)
+ {
+ }
+ ;
virtual bool Call(const sh_pollHandle_t handle, void* userData)
{
return ((*mInstance.*mFunction)(handle, userData));
- };
+ }
+ ;
};
/**
public:
TAmShPollDispatch(TClass* instance, bool (TClass::*function)(const sh_pollHandle_t handle, void* userData)) :
mInstance(instance), //
- mFunction(function){};
+ mFunction(function)
+ {
+ }
+ ;
virtual bool Call(const sh_pollHandle_t handle, void* userData)
{
return ((*mInstance.*mFunction)(handle, userData));
- };
+ }
+ ;
};
} /* namespace am */
#endif /* SOCKETHANDLER_H_ */
projects / profile / ivi / genivi / genivi-audio-manager.git / blobdiff