Remove useless code

examples/1-1/sampler.cxx

@@ -13,16 +13,8 @@
 
 namespace bpo = boost::program_options;
 
-class Sampler : public FairMQDevice
+struct Sampler : fair::mq::Device
 {
-  public:
-    Sampler() = default;
-
-  protected:
-    std::string fText;
-    uint64_t fMaxIterations = 0;
-    uint64_t fNumIterations = 0;
-
     void InitTask() override
     {
         // Get the fText and fMaxIterations values from the command line options (via fConfig)
@@ -57,6 +49,11 @@ class Sampler : public FairMQDevice
 
         return true;
     }
+
+  private:
+    std::string fText;
+    uint64_t fMaxIterations = 0;
+    uint64_t fNumIterations = 0;
 };
 
 void addCustomOptions(bpo::options_description& options)

examples/1-1/sink.cxx

@@ -13,16 +13,14 @@
 
 namespace bpo = boost::program_options;
 
-class Sink : public FairMQDevice
+struct Sink : fair::mq::Device
 {
-  public:
     Sink()
     {
         // register a handler for data arriving on "data" channel
         OnData("data", &Sink::HandleData);
     }
 
-  protected:
     void InitTask() override
     {
         // Get the fMaxIterations value from the command line options (via fConfig)

examples/1-n-1/processor.cxx

@@ -13,15 +13,13 @@
 
 namespace bpo = boost::program_options;
 
-class Processor : public FairMQDevice
+struct Processor : fair::mq::Device
 {
-  public:
     Processor()
     {
         OnData("data1", &Processor::HandleData);
     }
 
-  protected:
     bool HandleData(FairMQMessagePtr& msg, int)
     {
         LOG(info) << "Received data, processing...";

examples/1-n-1/sampler.cxx

@@ -15,16 +15,8 @@
 
 namespace bpo = boost::program_options;
 
-class Sampler : public FairMQDevice
+struct Sampler : fair::mq::Device
 {
-  public:
-    Sampler() = default;
-
-  protected:
-    std::string fText;
-    uint64_t fMaxIterations = 0;
-    uint64_t fNumIterations = 0;
-
     void InitTask() override
     {
         // Get the fText and fMaxIterations values from the command line options (via fConfig)
@@ -53,6 +45,11 @@ class Sampler : public FairMQDevice
 
         return true;
     }
+
+  private:
+    std::string fText;
+    uint64_t fMaxIterations = 0;
+    uint64_t fNumIterations = 0;
 };
 
 void addCustomOptions(bpo::options_description& options)

examples/1-n-1/sink.cxx

@@ -13,17 +13,15 @@
 
 namespace bpo = boost::program_options;
 
-class Sink : public FairMQDevice
+struct Sink : fair::mq::Device
 {
-  public:
     Sink()
     {
         // register a handler for data arriving on "data2" channel
         OnData("data2", &Sink::HandleData);
     }
 
-  protected:
-    virtual void InitTask() override
+    void InitTask() override
     {
         // Get the fMaxIterations value from the command line options (via fConfig)
         fMaxIterations = fConfig->GetProperty<uint64_t>("max-iterations");

examples/copypush/sampler.cxx

@@ -15,12 +15,8 @@
 
 namespace bpo = boost::program_options;
 
-class Sampler : public FairMQDevice
+struct Sampler : fair::mq::Device
 {
-  public:
-    Sampler() = default;
-
-  protected:
     void InitTask() override
     {
         fNumDataChannels = fChannels.at("data").size();
@@ -50,7 +46,7 @@ class Sampler : public FairMQDevice
         return true;
     }
 
-
+  private:
     int fNumDataChannels = 0;
     uint64_t fCounter = 0;
     uint64_t fMaxIterations = 0;

examples/copypush/sink.cxx

@@ -13,9 +13,8 @@
 
 namespace bpo = boost::program_options;
 
-class Sink : public FairMQDevice
+struct Sink : fair::mq::Device
 {
-  public:
     Sink()
     {
         OnData("data", &Sink::HandleData);

examples/dds/processor.cxx

@@ -13,15 +13,13 @@
 
 namespace bpo = boost::program_options;
 
-class Processor : public FairMQDevice
+struct Processor : fair::mq::Device
 {
-  public:
     Processor()
     {
         OnData("data1", &Processor::HandleData);
     }
 
-  protected:
     bool HandleData(FairMQMessagePtr& msg, int)
     {
         LOG(info) << "Received data, processing...";

examples/dds/sampler.cxx

@@ -13,17 +13,13 @@
 
 namespace bpo = boost::program_options;
 
-class Sampler : public FairMQDevice
+struct Sampler : fair::mq::Device
 {
-  public:
-    Sampler() = default;
-
     void InitTask() override
     {
         fIterations = fConfig->GetValue<uint64_t>("iterations");
     }
 
-  protected:
     bool ConditionalRun() override
     {
         // NewSimpleMessage creates a copy of the data and takes care of its destruction (after the transfer takes place).

examples/dds/sink.cxx

@@ -13,9 +13,8 @@
 
 namespace bpo = boost::program_options;
 
-class Sink : public FairMQDevice
+struct Sink : fair::mq::Device
 {
-  public:
     Sink()
     {
         OnData("data2", &Sink::HandleData);
@@ -26,7 +25,6 @@ class Sink : public FairMQDevice
         fIterations = fConfig->GetValue<uint64_t>("iterations");
     }
 
-  protected:
     bool HandleData(FairMQMessagePtr& msg, int)
     {
         LOG(info) << "Received: \"" << std::string(static_cast<char*>(msg->GetData()), msg->GetSize()) << "\"";

examples/multipart/sampler.cxx

@@ -17,12 +17,8 @@
 
 namespace bpo = boost::program_options;
 
-class Sampler : public FairMQDevice
+struct Sampler : fair::mq::Device
 {
-  public:
-    Sampler() = default;
-
-  protected:
     void InitTask() override
     {
         fMaxIterations = fConfig->GetProperty<uint64_t>("max-iterations");

examples/multipart/sink.cxx

@@ -13,15 +13,13 @@
 
 namespace bpo = boost::program_options;
 
-class Sink : public FairMQDevice
+struct Sink : fair::mq::Device
 {
-  public:
     Sink()
     {
         OnData("data", &Sink::HandleData);
     }
 
-  protected:
     bool HandleData(FairMQParts& parts, int)
     {
         LOG(info) << "Received message with " << parts.Size() << " parts";

examples/multiple-channels/broadcaster.cxx

@@ -14,12 +14,8 @@
 
 namespace bpo = boost::program_options;
 
-class Broadcaster : public FairMQDevice
+struct Broadcaster : fair::mq::Device
 {
-  public:
-    Broadcaster() = default;
-
-  protected:
     bool ConditionalRun() override
     {
         std::this_thread::sleep_for(std::chrono::seconds(1));

examples/multiple-channels/sampler.cxx

@@ -16,11 +16,8 @@
 
 namespace bpo = boost::program_options;
 
-class Sampler : public FairMQDevice
+struct Sampler : fair::mq::Device
 {
-  public:
-    Sampler() = default;
-
     void InitTask() override
     {
         fText = fConfig->GetProperty<std::string>("text");
@@ -59,7 +56,7 @@ class Sampler : public FairMQDevice
         }
     }
 
-  protected:
+  private:
     std::string fText;
     uint64_t fMaxIterations = 0;
     uint64_t fNumIterations = 0;

examples/multiple-channels/sink.cxx

@@ -14,9 +14,8 @@
 
 namespace bpo = boost::program_options;
 
-class Sink : public FairMQDevice
+struct Sink : fair::mq::Device
 {
-  public:
     Sink()
     {
         OnData("broadcast", &Sink::HandleBroadcast);

examples/multiple-transports/sampler1.cxx

@@ -13,12 +13,8 @@
 
 namespace bpo = boost::program_options;
 
-class Sampler1 : public FairMQDevice
+struct Sampler1 : fair::mq::Device
 {
-  public:
-    Sampler1() = default;
-
-  protected:
     void InitTask() override
     {
         fMaxIterations = fConfig->GetProperty<uint64_t>("max-iterations");
@@ -68,6 +64,7 @@ class Sampler1 : public FairMQDevice
         LOG(info) << "Acknowledged " << numAcks << " messages";
     }
 
+  private:
     std::thread fAckListener;
     uint64_t fMaxIterations = 0;
     uint64_t fNumIterations = 0;

examples/multiple-transports/sampler2.cxx

@@ -13,12 +13,8 @@
 
 namespace bpo = boost::program_options;
 
-class Sampler2 : public FairMQDevice
+struct Sampler2 : fair::mq::Device
 {
-  public:
-    Sampler2() = default;
-
-  protected:
     void InitTask() override
     {
         fMaxIterations = fConfig->GetProperty<uint64_t>("max-iterations");
@@ -42,7 +38,6 @@ class Sampler2 : public FairMQDevice
         return true;
     }
 
-
   private:
     uint64_t fMaxIterations = 0;
     uint64_t fNumIterations = 0;

examples/multiple-transports/sink.cxx

@@ -11,9 +11,8 @@
 
 namespace bpo = boost::program_options;
 
-class Sink : public FairMQDevice
+struct Sink : fair::mq::Device
 {
-  public:
     Sink()
     {
         // register a handler for data arriving on "data" channel
@@ -21,7 +20,6 @@ class Sink : public FairMQDevice
         OnData("data2", &Sink::HandleData2);
     }
 
-  protected:
     void InitTask() override
     {
         fMaxIterations = fConfig->GetProperty<uint64_t>("max-iterations");

examples/n-m/receiver.cxx

@@ -29,16 +29,13 @@ struct TFBuffer
     chrono::steady_clock::time_point end;
 };
 
-class Receiver : public FairMQDevice
+struct Receiver : fair::mq::Device
 {
-  public:
     Receiver()
     {
         OnData("data", &Receiver::HandleData);
     }
 
-    ~Receiver() = default;
-
     void InitTask() override
     {
         fNumSenders = GetConfig()->GetValue<int>("num-senders");
@@ -46,7 +43,6 @@ class Receiver : public FairMQDevice
         fMaxTimeframes = GetConfig()->GetValue<int>("max-timeframes");
     }
 
-  protected:
     bool HandleData(FairMQParts& parts, int /* index */)
     {
         Header& h = *(static_cast<Header*>(parts.At(0)->GetData()));
@@ -93,6 +89,7 @@ class Receiver : public FairMQDevice
         }
     }
 
+  private:
     unordered_map<uint16_t, TFBuffer> fBuffer;
     unordered_set<uint16_t> fDiscardedSet;
 

examples/n-m/sender.cxx

@@ -17,11 +17,8 @@ using namespace std;
 using namespace example_n_m;
 namespace bpo = boost::program_options;
 
-class Sender : public FairMQDevice
+struct Sender : fair::mq::Device
 {
-  public:
-    Sender() = default;
-
     void InitTask() override
     {
         fIndex = GetConfig()->GetProperty<int>("sender-index");

examples/n-m/synchronizer.cxx

@@ -15,11 +15,8 @@
 using namespace std;
 namespace bpo = boost::program_options;
 
-class Synchronizer : public FairMQDevice
+struct Synchronizer : fair::mq::Device
 {
-  public:
-    Synchronizer() = default;
-
     bool ConditionalRun() override
     {
         FairMQMessagePtr msg(NewSimpleMessage(fTimeframeId));
@@ -35,6 +32,7 @@ class Synchronizer : public FairMQDevice
         return true;
     }
 
+  private:
     uint16_t fTimeframeId = 0;
 };
 

examples/qc/qCDispatcher.cxx

@@ -9,9 +9,8 @@
 #include <fairmq/Device.h>
 #include <fairmq/runDevice.h>
 
-class QCDispatcher : public FairMQDevice
+struct QCDispatcher : fair::mq::Device
 {
-  public:
     QCDispatcher()
         : fDoQC(false)
     {
@@ -31,7 +30,6 @@ class QCDispatcher : public FairMQDevice
         });
     }
 
-  protected:
     bool HandleData(FairMQMessagePtr& msg, int)
     {
         if (fDoQC.load() == true) {

examples/qc/sampler.cxx

@@ -12,13 +12,9 @@
 #include <thread> // this_thread::sleep_for
 #include <chrono>
 
-class Sampler : public FairMQDevice
+struct Sampler : fair::mq::Device
 {
-  public:
-    Sampler() = default;
-
-  protected:
-    virtual bool ConditionalRun()
+    bool ConditionalRun() override
     {
         FairMQMessagePtr msg(NewMessage(1000));
 

examples/qc/sink.cxx

@@ -11,12 +11,9 @@
 
 #include <string>
 
-class Sink : public FairMQDevice
+struct Sink : fair::mq::Device
 {
-  public:
     Sink() { OnData("data2", &Sink::HandleData); }
-
-  protected:
     bool HandleData(FairMQMessagePtr& /*msg*/, int /*index*/) { return true; }
 };
 

examples/readout/processor.cxx

@@ -11,15 +11,13 @@
 
 namespace bpo = boost::program_options;
 
-class Processor : public FairMQDevice
+struct Processor : fair::mq::Device
 {
-  public:
     Processor()
     {
         OnData("bp", &Processor::HandleData);
     }
 
-  protected:
     bool HandleData(FairMQMessagePtr& msg, int /*index*/)
     {
         FairMQMessagePtr msg2(NewMessageFor("ps", 0, msg->GetSize()));

examples/readout/readout.cxx

@@ -15,11 +15,8 @@
 
 namespace bpo = boost::program_options;
 
-class Readout : public FairMQDevice
+struct Readout : fair::mq::Device
 {
-  public:
-    Readout() = default;
-
     void InitTask() override
     {
         fMsgSize = fConfig->GetProperty<int>("msg-size");

examples/readout/receiver.cxx

@@ -11,11 +11,8 @@
 
 namespace bpo = boost::program_options;
 
-class Receiver : public FairMQDevice
+struct Receiver : fair::mq::Device
 {
-  public:
-    Receiver() = default;
-
     void InitTask() override
     {
         // Get the fMaxIterations value from the command line options (via fConfig)

examples/readout/sender.cxx

@@ -13,11 +13,8 @@
 
 namespace bpo = boost::program_options;
 
-class Sender : public FairMQDevice
+struct Sender : fair::mq::Device
 {
-  public:
-    Sender() = default;
-
     void Init() override
     {
         fInputChannelName = fConfig->GetProperty<std::string>("input-name");

examples/region/sampler.cxx

@@ -15,11 +15,8 @@
 
 namespace bpo = boost::program_options;
 
-class Sampler : public FairMQDevice
+struct Sampler : fair::mq::Device
 {
-  public:
-    Sampler() = default;
-
     void InitTask() override
     {
         fMsgSize = fConfig->GetProperty<int>("msg-size");

examples/region/sink.cxx

@@ -11,11 +11,8 @@
 
 namespace bpo = boost::program_options;
 
-class Sink : public FairMQDevice
+struct Sink : fair::mq::Device
 {
-  public:
-    Sink() = default;
-
     void InitTask() override
     {
         // Get the fMaxIterations value from the command line options (via fConfig)

examples/req-rep/client.cxx

@@ -15,11 +15,8 @@
 
 namespace bpo = boost::program_options;
 
-class Client : public FairMQDevice
+struct Client : fair::mq::Device
 {
-  public:
-    Client() = default;
-
     void InitTask() override
     {
         fText = fConfig->GetProperty<std::string>("text");

examples/req-rep/server.cxx

@@ -13,9 +13,8 @@
 
 namespace bpo = boost::program_options;
 
-class Server : public FairMQDevice
+struct Server : fair::mq::Device
 {
-  public:
     Server()
     {
         OnData("data", &Server::HandleData);