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diff --git a/src/rpc-server/include/trex_rpc_commands.h b/src/rpc-server/include/trex_rpc_commands.h
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+/*
+ Itay Marom
+ Cisco Systems, Inc.
+*/
+
+/*
+Copyright (c) 2015-2015 Cisco Systems, Inc.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+#ifndef __TREX_RPC_COMMANDS_H__
+#define __TREX_RPC_COMMANDS_H__
+
+#include <unordered_map>
+#include <string>
+#include <vector>
+
+/**
+ * interface for RPC command
+ *
+ * @author imarom (13-Aug-15)
+ */
+class TrexRpcCommand {
+public:
+ TrexRpcCommand(const std::string &method_name, const std::vector<std::string> &params);
+
+ /**
+ * implemented by the derived class
+ *
+ * @author imarom (13-Aug-15)
+ */
+ virtual void run() = 0;
+
+protected:
+ std::vector<std::string> params;
+};
+
+/**
+ * holds all the commands registered
+ *
+ * @author imarom (13-Aug-15)
+ */
+class TrexRpcCommandsTable {
+
+public:
+
+ static TrexRpcCommandsTable& get_instance() {
+ static TrexRpcCommandsTable instance;
+ return instance;
+ }
+
+ void register_command(const TrexRpcCommand &command);
+
+ TrexRpcCommand * lookup(const std::string &method_name);
+
+private:
+ TrexRpcCommandsTable();
+
+ /* c++ 2011 style singleton */
+ TrexRpcCommandsTable(TrexRpcCommandsTable const&) = delete;
+ void operator=(TrexRpcCommandsTable const&) = delete;
+
+ /**
+ * holds all the registered RPC commands
+ *
+ */
+ std::unordered_map<std::string, TrexRpcCommand *> m_rpc_cmd_table;
+};
+
+#endif /* __TREX_RPC_COMMANDS_H__ */