add nanomsg implementations + use factory for nanomsg + lots of small stuff

fairmq/FairMQMessageNN.h

@@ -0,0 +1,43 @@
+/**
+ * FairMQMessageNN.h
+ *
+ * @since 2013-12-05
+ * @author: A. Rybalchenko
+ */
+
+#ifndef FAIRMQMESSAGENN_H_
+#define FAIRMQMESSAGENN_H_
+
+#include <cstddef>
+
+#include "FairMQMessage.h"
+
+
+class FairMQMessageNN : public FairMQMessage
+{
+  public:
+    FairMQMessageNN();
+    FairMQMessageNN(size_t size);
+    FairMQMessageNN(void* data, size_t size);
+
+    virtual void Rebuild();
+    virtual void Rebuild(size_t size);
+    virtual void Rebuild(void* data, size_t site);
+
+    virtual void* GetMessage();
+    virtual void* GetData();
+    virtual size_t GetSize();
+
+    virtual void Copy(FairMQMessage* msg);
+
+    void SetMessage(void* data, size_t size);
+    void Clear();
+
+    virtual ~FairMQMessageNN();
+
+  private:
+    void* fMessage;
+    size_t fSize;
+};
+
+#endif /* FAIRMQMESSAGENN_H_ */