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

fairmq/FairMQPollerZMQ.h

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