Implement region events for zmq

fairmq/FairMQUnmanagedRegion.h

@@ -14,13 +14,32 @@
 #include <functional> // std::function
 #include <ostream> // std::ostream
 
+class FairMQTransportFactory;
+
 enum class FairMQRegionEvent : int
 {
     created,
     destroyed
 };
 
-struct FairMQRegionInfo {
+struct FairMQRegionInfo
+{
+    FairMQRegionInfo()
+        : id(0)
+        , ptr(nullptr)
+        , size(0)
+        , flags(0)
+        , event(FairMQRegionEvent::created)
+    {}
+
+    FairMQRegionInfo(uint64_t _id, void* _ptr, size_t _size, int64_t _flags, FairMQRegionEvent _event)
+        : id(_id)
+        , ptr(_ptr)
+        , size(_size)
+        , flags(_flags)
+        , event (_event)
+    {}
+
     uint64_t id;   // id of the region
     void* ptr;     // pointer to the start of the region
     size_t size;   // region size
@@ -34,10 +53,19 @@ using FairMQRegionEventCallback = std::function<void(FairMQRegionInfo)>;
 class FairMQUnmanagedRegion
 {
   public:
+    FairMQUnmanagedRegion() {}
+    FairMQUnmanagedRegion(FairMQTransportFactory* factory): fTransport(factory) {}
+
     virtual void* GetData() const = 0;
     virtual size_t GetSize() const = 0;
 
+    FairMQTransportFactory* GetTransport() { return fTransport; }
+    void SetTransport(FairMQTransportFactory* transport) { fTransport = transport; }
+
     virtual ~FairMQUnmanagedRegion() {};
+
+  private:
+    FairMQTransportFactory* fTransport{nullptr};
 };
 
 using FairMQUnmanagedRegionPtr = std::unique_ptr<FairMQUnmanagedRegion>;