manage universes with shared pointers

platform/qt/qsacnuniverse.cpp

@@ -5,10 +5,13 @@
  * @param parent
  * @param universe
  */
-QSacnUniverse::QSacnUniverse(QObject *parent, sACN::Universe *universe)
+QSacnUniverse::QSacnUniverse(QObject *parent, std::shared_ptr<sACN::Universe> universe)
   : QObject(parent)
   , universe_(universe)
 {
+  if (!universe)
+    return;
+
   universe_->onData([this](DMX::Universe*) {
     emit changed();
   });

platform/qt/qsacnuniverse.h

@@ -13,8 +13,8 @@ class QT_EXPORT QSacnUniverse
 {
     Q_OBJECT
 public:
-    explicit QSacnUniverse(QObject *parent = nullptr,
-                           sACN::Universe *universe = nullptr);
+  explicit QSacnUniverse(QObject *parent = nullptr,
+                         std::shared_ptr<sACN::Universe> universe = nullptr);
 
     const QString description() const;
     uint16_t number() const;
@@ -37,6 +37,6 @@ signals:
     void changed();
 
 private:
-    sACN::Universe *universe_;
+  std::shared_ptr<sACN::Universe> universe_;
 };
 Q_DECLARE_METATYPE(QSacnUniverse*)

protocol/sacn/arbitratinguniverse.cpp

@@ -41,8 +41,6 @@ ArbitratingUniverse::ArbitratingUniverse()
  */
 ArbitratingUniverse::~ArbitratingUniverse()
 {
-  for (auto& [_, universe] : sources_)
-    delete universe;
 }
 
 
@@ -64,7 +62,7 @@ const std::vector<DATA::data_header> ArbitratingUniverse::sources() const
  * @param src
  * @return
  */
-Universe* ArbitratingUniverse::sourceUniverse(const DATA::data_header &src)
+std::shared_ptr<Universe> ArbitratingUniverse::sourceUniverse(const DATA::data_header &src)
 {
   if (!hasSourceUniverse(src))
     newProvenance_(src);
@@ -79,9 +77,7 @@ Universe* ArbitratingUniverse::sourceUniverse(const DATA::data_header &src)
  */
 bool ArbitratingUniverse::hasSourceUniverse(const DATA::data_header& src) const
 {
-  if (sources_.count(src))
-    return true;
-  return false;
+  return (sources_.count(src));
 }
 
 

protocol/sacn/arbitratinguniverse.h

@@ -84,9 +84,9 @@ public:
     double rxRate() override;
 
 private:
-    std::unordered_map<DATA::data_header, sACN::Universe*> sources_;
+    std::unordered_map<DATA::data_header, std::shared_ptr<Universe>> sources_;
 
-    Universe* dominant_() const;
+    std::shared_ptr<Universe> dominant_() const;
     void newProvenance_(const DATA::data_header&);
 };
 

protocol/sacn/receiver.cpp

@@ -64,7 +64,7 @@ void Receiver::subscribe(const uint16_t num)
 {
   if (universes_.count(num))
     return;
-  universes_.emplace(num, new ArbitratingUniverse());
+  universes_.emplace(num, std::make_shared<ArbitratingUniverse>());
   universes_.at(num)->expectedUniverse = num;
 }
 
@@ -76,10 +76,7 @@ void Receiver::subscribe(const uint16_t num)
 void Receiver::unsubscribe(const uint16_t num)
 {
   if (universes_.count(num))
-    {
-      delete universes_.at(num);
-      universes_.erase(num);
-    }
+    universes_.erase(num);
 }
 
 
@@ -88,11 +85,11 @@ void Receiver::unsubscribe(const uint16_t num)
  * @param num
  * @return
  */
-Universe * Receiver::universe(const uint16_t num)
+std::shared_ptr<Universe> Receiver::universe(const uint16_t num)
 {
   if (!universes_.count(num))
     return nullptr;
-  return universes_.at(num);
+  return std::static_pointer_cast<Universe>(universes_.at(num));
 }
 
 

protocol/sacn/receiver.h

@@ -71,7 +71,7 @@ public:
 
   virtual void subscribe(const uint16_t);
   virtual void unsubscribe(const uint16_t);
-  Universe * universe(const uint16_t);
+  std::shared_ptr<Universe> universe(const uint16_t);
 
   void discoveryStart();
   void discoveryStop();
@@ -96,7 +96,7 @@ protected:
   void discoveryListHanlder(ACN::PDU::Message<EXTENDED::DISCOVERY::Pdu>);
 
 private:
-  std::unordered_map<uint16_t, ArbitratingUniverse*> universes_;
+  std::unordered_map<uint16_t, std::shared_ptr<ArbitratingUniverse>> universes_;
   std::vector<std::function<void()>> discoveryCallbacks_;
 };
 

protocol/sacn/source.cpp

@@ -45,9 +45,6 @@ Source::~Source()
 {
   discovery_exitSignal_.set_value();
   discovery_worker_.join();
-
-  for (const auto & [_, univ] : universes_)
-    delete univ;
 }
 
 
@@ -65,7 +62,7 @@ void Source::create(const uint16_t num)
   metadata->universe = num;
 
   universes_mutext_.lock();
-  universes_.emplace(num, new Universe(this));
+  universes_.emplace(num, std::make_shared<Universe>(this));
   universes_[num]->setProvenance(metadata);
   universes_mutext_.unlock();
 }
@@ -84,7 +81,6 @@ void Source::terminate(const uint16_t num)
   auto metadata = universes_[num]->provenance();
   metadata->options.stream_terminated = true;
   universes_.at(num)->setProvenance(metadata);
-  delete universes_.at(num);
   universes_.erase(num);
   universes_mutext_.unlock();
 }
@@ -211,7 +207,7 @@ void Source::sendExtendedFrame(const uint16_t vector,
  * @param num
  * @return
  */
-Universe * Source::universe(const uint16_t num)
+std::shared_ptr<Universe> Source::universe(const uint16_t num)
 {
   if (!universes_.count(num))
     return nullptr;

protocol/sacn/source.h

@@ -53,7 +53,7 @@ public:
 
     virtual void create(const uint16_t);
     virtual void terminate(const uint16_t);
-    Universe * universe(const uint16_t);
+    std::shared_ptr<Universe> universe(const uint16_t);
 
 protected:
     virtual void discoveryAnnounce();
@@ -64,7 +64,7 @@ protected:
                            const ACN::SDT::UDP::ipAddress&);
 
 private:
-    std::unordered_map <uint16_t, Universe *> universes_;
+    std::unordered_map <uint16_t, std::shared_ptr<Universe>> universes_;
     mutable std::mutex universes_mutext_;
 
     /// > \cite 6.3.2 E1.31 Synchronization Packet: Sequence Number