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

fairmq/FairMQPollerZMQ.cxx

@@ -0,0 +1,41 @@
+/**
+ * FairMQPollerZMQ.cxx
+ *
+ * @since 2014-01-23
+ * @author A. Rybalchenko
+ */
+
+#include <zmq.h>
+
+#include "FairMQPollerZMQ.h"
+
+FairMQPollerZMQ::FairMQPollerZMQ(const vector<FairMQSocket*>& inputs)
+{
+  fNumItems = inputs.size();
+  items = new zmq_pollitem_t[fNumItems];
+
+  for (int i = 0; i < fNumItems; i++) {
+    items[i].socket = inputs.at(i)->GetSocket();
+    items[i].fd = 0;
+    items[i].events = ZMQ_POLLIN;
+    items[i].revents = 0;
+  }
+}
+
+void FairMQPollerZMQ::Poll(int timeout)
+{
+  zmq_poll(items, fNumItems, timeout);
+}
+
+bool FairMQPollerZMQ::CheckInput(int index)
+{
+  if (items[index].revents & ZMQ_POLLIN) 
+    return true;
+
+  return false;
+}
+
+FairMQPollerZMQ::~FairMQPollerZMQ()
+{
+  if (items != NULL) delete [] items;
+}