ToolFrameworkCore/src/DataModelBase/Pool.h at main · ToolFramework/ToolFrameworkCore · GitHub

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#ifndef POOL_H
#definePOOL_H

#include<queue>
#include<mutex>
#include<stddef.h>
#include<cstdint>
#include<Utilities.h>
#include<chrono>
#include<atomic>

namespaceToolFramework{

template<classT> structPool_args : Thread_args{

Pool_args(){;}
~Pool_args(){;}
size_t object_cap;
uint16_t manage_period_ms;
 std::queue<T*>* objects;
 std::mutex* mtx;
 std::chrono::high_resolution_clock::time_point now;
 std::chrono::high_resolution_clock::time_point managing_timer;
uint64_t count;
unsignedint* sum;
unsignedint* counter;

 };


template<classT> classPool{

public:

Pool(bool in_manage=true, size_t in_object_cap=1, uint16_t period_ms=1000){

 counter = 0;
 sum = 0;
 manage=in_manage;
 args.manage_period_ms=period_ms;
 args.object_cap=in_object_cap;
 args.sum = &sum;
 args.counter = &counter;
 args.mtx = &mtx;
 args.objects=&objects;

if(manage) m_utils.CreateThread("pool_manager", &Thread, &args);

 }

~Pool(){
if(manage) m_utils.KillThread(&args);
Clear();
 }

voidSetPeriod(uint16_t period_ms){
 args.manage_period_ms=period_ms;
 }

voidSetObjectCap(size_t in_object_cap){
 args.object_cap=in_object_cap;
 }

template <typename... Args> T* GetNew(Args... in_args){
 mtx.lock();
 counter++;
 sum+=objects.size();
if(objects.size()>0){
	T* tmp=objects.front();
	objects.pop();
	mtx.unlock();
return tmp;

 }
 mtx.unlock();

returnnewT(in_args...);
 }

voidAdd(T* object){
 mtx.lock();
 objects.push(object);
 mtx.unlock();
 }

voidClear(){
 mtx.lock();
while(!objects.empty()){
delete objects.front();
	objects.pop();
 }
 mtx.unlock();
 }

staticvoidThread(Thread_args* arg){

 Pool_args<T>* args = reinterpret_cast<Pool_args<T>*>(arg);
 args->count = std::chrono::duration<double, std::milli>( std::chrono::high_resolution_clock::now() - args->managing_timer).count();
if(args->count < args->manage_period_ms){
usleep((args->manage_period_ms - args->count)*1000);
return;
 }
 args->mtx->lock();
if( *args->counter!=0 && (((*args->sum) / (*args->counter)) > args->object_cap)){
while(args->objects->size() > args->object_cap){
delete args->objects->front();
 args->objects->pop();
	}
	*args->counter = 0;
	*args->sum = 0;
 }
 args->mtx->unlock();
 args->managing_timer=std::chrono::high_resolution_clock::now();
return;
 }

private:

 std::queue<T*> objects;
 std::mutex mtx;
 Utilities m_utils;
 Pool_args<T> args;
bool manage;
unsignedint counter;
unsignedint sum;

 };


}

#endif