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https://github.com/slsdetectorgroup/slsDetectorPackage.git
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renamed
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@ -17,7 +17,7 @@
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#include <pthread.h>
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#include "analogDetector.h"
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#include "circularFifo.h"
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#include "CircularFifo.h"
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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@ -7,16 +7,23 @@
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* modified by the sls detetor group
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* */
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#include <iostream>
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#include <semaphore.h>
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#include <vector>
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#include <iostream>
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/** Circular Fifo (a.k.a. Circular Buffer)
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* Thread safe for one reader, and one writer */
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template<typename Element>
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class CircularFifo {
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public:
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template <typename Element> class CircularFifo {
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private:
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std::vector<Element *> array;
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unsigned int tail; // input index
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unsigned int head; // output index
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unsigned int Capacity;
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mutable sem_t data_mutex;
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mutable sem_t free_mutex;
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unsigned int increment(unsigned int idx_) const;
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public:
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CircularFifo(unsigned int Size) : tail(0), head(0) {
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Capacity = Size + 1;
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array.resize(Capacity);
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@ -36,34 +43,20 @@ public:
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int getDataValue() const;
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int getFreeValue() const;
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private:
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std::vector <Element*> array;
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unsigned int tail; // input index
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unsigned int head; // output index
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unsigned int Capacity;
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mutable sem_t data_mutex;
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mutable sem_t free_mutex;
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unsigned int increment(unsigned int idx_) const;
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};
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template<typename Element>
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int CircularFifo<Element>::getDataValue() const
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{
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template <typename Element> int CircularFifo<Element>::getDataValue() const {
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int value;
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sem_getvalue(&data_mutex, &value);
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return value;
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}
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template<typename Element>
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int CircularFifo<Element>::getFreeValue() const
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{
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template <typename Element> int CircularFifo<Element>::getFreeValue() const {
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int value;
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sem_getvalue(&free_mutex, &value);
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return value;
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}
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/** Producer only: Adds item to the circular queue.
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* If queue is full at 'push' operation no update/overwrite
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* will happen, it is up to the caller to handle this case
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@ -72,8 +65,7 @@ int CircularFifo<Element>::getFreeValue() const
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* \param no_block if true, return immediately if fifo is full
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* \return whether operation was successful or not */
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template <typename Element>
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bool CircularFifo<Element>::push(Element*& item_, bool no_block)
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{
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bool CircularFifo<Element>::push(Element *&item_, bool no_block) {
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// check for fifo full
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if (no_block && isFull())
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return false;
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@ -93,8 +85,7 @@ bool CircularFifo<Element>::push(Element*& item_, bool no_block)
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* \param no_block if true, return immediately if fifo is full
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* \return whether operation was successful or not */
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template <typename Element>
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bool CircularFifo<Element>::pop(Element*& item_, bool no_block)
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{
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bool CircularFifo<Element>::pop(Element *&item_, bool no_block) {
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// check for fifo empty
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if (no_block && isEmpty())
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return false;
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@ -111,9 +102,7 @@ bool CircularFifo<Element>::pop(Element*& item_, bool no_block)
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* as the Procuder adds more items.
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*
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* \return true if circular buffer is empty */
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template<typename Element>
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bool CircularFifo<Element>::isEmpty() const
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{
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template <typename Element> bool CircularFifo<Element>::isEmpty() const {
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return (getDataValue() == 0);
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}
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@ -122,9 +111,7 @@ bool CircularFifo<Element>::isEmpty() const
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* as the Consumer catches up.
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*
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* \return true if circular buffer is full. */
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template<typename Element>
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bool CircularFifo<Element>::isFull() const
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{
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template <typename Element> bool CircularFifo<Element>::isFull() const {
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return (getFreeValue() == 0);
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}
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@ -134,8 +121,7 @@ bool CircularFifo<Element>::isFull() const
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* \param idx_ the index to the incremented/wrapped
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* \return new value for the index */
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template <typename Element>
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unsigned int CircularFifo<Element>::increment(unsigned int idx_) const
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{
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unsigned int CircularFifo<Element>::increment(unsigned int idx_) const {
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// increment or wrap
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// =================
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// index++;
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@ -146,4 +132,3 @@ unsigned int CircularFifo<Element>::increment(unsigned int idx_) const
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idx_ = (idx_ + 1) % Capacity;
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return idx_;
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}
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@ -12,7 +12,7 @@
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#include "sls_detector_defs.h"
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#include "logger.h"
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#include "circularFifo.h"
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#include "CircularFifo.h"
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class Fifo : private virtual slsDetectorDefs {
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@ -1,4 +1,5 @@
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target_sources(tests PRIVATE
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${CMAKE_CURRENT_SOURCE_DIR}/test-GeneralData.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/test-FileNames.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/test-CircularFifo.cpp
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)
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