Shmem: simplify message/socket and refactor to use namespaces

fairmq/shmem/Poller.h

@@ -0,0 +1,59 @@
+/********************************************************************************
+ *    Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH    *
+ *                                                                              *
+ *              This software is distributed under the terms of the             *
+ *              GNU Lesser General Public Licence (LGPL) version 3,             *
+ *                  copied verbatim in the file "LICENSE"                       *
+ ********************************************************************************/
+#ifndef FAIR_MQ_SHMEM_POLLER_H_
+#define FAIR_MQ_SHMEM_POLLER_H_
+
+#include <zmq.h>
+
+#include <FairMQPoller.h>
+#include <FairMQChannel.h>
+
+#include <vector>
+#include <unordered_map>
+
+class FairMQChannel;
+
+namespace fair
+{
+namespace mq
+{
+namespace shmem
+{
+
+class Poller final : public fair::mq::Poller
+{
+  public:
+    Poller(const std::vector<FairMQChannel>& channels);
+    Poller(const std::vector<FairMQChannel*>& channels);
+    Poller(const std::unordered_map<std::string, std::vector<FairMQChannel>>& channelsMap, const std::vector<std::string>& channelList);
+
+    Poller(const Poller&) = delete;
+    Poller operator=(const Poller&) = delete;
+
+    void SetItemEvents(zmq_pollitem_t& item, const int type);
+
+    void Poll(const int timeout) override;
+    bool CheckInput(const int index) override;
+    bool CheckOutput(const int index) override;
+    bool CheckInput(const std::string& channelKey, const int index) override;
+    bool CheckOutput(const std::string& channelKey, const int index) override;
+
+    ~Poller() override;
+
+  private:
+    zmq_pollitem_t* fItems;
+    int fNumItems;
+
+    std::unordered_map<std::string, int> fOffsetMap;
+};
+
+}
+}
+}
+
+#endif /* FAIR_MQ_SHMEM_POLLER_H_ */