fw: register strategy with macro
refs #2410
Change-Id: Ifa79c194c58d0ebe1bca6236fc0a47debe2da05e
diff --git a/daemon/fw/strategy-registry.hpp b/daemon/fw/strategy-registry.hpp
new file mode 100644
index 0000000..9f80288
--- /dev/null
+++ b/daemon/fw/strategy-registry.hpp
@@ -0,0 +1,78 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2015, Regents of the University of California,
+ * Arizona Board of Regents,
+ * Colorado State University,
+ * University Pierre & Marie Curie, Sorbonne University,
+ * Washington University in St. Louis,
+ * Beijing Institute of Technology,
+ * The University of Memphis.
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NFD_DAEMON_FW_STRATEGY_REGISTRY_HPP
+#define NFD_DAEMON_FW_STRATEGY_REGISTRY_HPP
+
+#include "common.hpp"
+
+namespace nfd {
+
+class Forwarder;
+
+namespace fw {
+
+class Strategy;
+
+shared_ptr<Strategy>
+makeDefaultStrategy(Forwarder& forwarder);
+
+void
+installStrategies(Forwarder& forwarder);
+
+
+typedef std::function<shared_ptr<Strategy>(Forwarder&)> StrategyCreateFunc;
+
+void
+registerStrategyImpl(const Name& strategyName, const StrategyCreateFunc& createFunc);
+
+/** \brief registers a strategy to be installed later
+ */
+template<typename S>
+void
+registerStrategy()
+{
+ registerStrategyImpl(S::STRATEGY_NAME,
+ [] (Forwarder& forwarder) { return make_shared<S>(ref(forwarder)); });
+}
+
+/** \brief registers a built-in strategy
+ *
+ * This macro should appear once in .cpp of each built-in strategy.
+ */
+#define NFD_REGISTER_STRATEGY(StrategyType) \
+static class NfdAuto ## StrategyType ## StrategyRegistrationClass \
+{ \
+public: \
+ NfdAuto ## StrategyType ## StrategyRegistrationClass() \
+ { \
+ ::nfd::fw::registerStrategy<StrategyType>(); \
+ } \
+} g_nfdAuto ## StrategyType ## StrategyRegistrationVariable
+
+} // namespace fw
+} // namespace nfd
+
+#endif // NFD_DAEMON_FW_STRATEGY_REGISTRY_HPP