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

fairmq/FairMQPollerNN.h

@@ -0,0 +1,33 @@
+/**
+ * FairMQPollerNN.h
+ *
+ * @since 2014-01-23
+ * @author A. Rybalchenko
+ */
+
+#ifndef FAIRMQPOLLERNN_H_
+#define FAIRMQPOLLERNN_H_
+
+#include <vector>
+
+#include "FairMQPoller.h"
+#include "FairMQSocket.h"
+
+using std::vector;
+
+class FairMQPollerNN : public FairMQPoller
+{
+  public:
+    FairMQPollerNN(const vector<FairMQSocket*>& inputs);
+
+    virtual void Poll(int timeout);
+    virtual bool CheckInput(int index);
+
+    virtual ~FairMQPollerNN();
+
+  private:
+    nn_pollfd* items;
+    int fNumItems;
+};
+
+#endif /* FAIRMQPOLLERNN_H_ */