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//
// Copyright 2017 Ettus Research (National Instruments)
//
// This program 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.
//
// This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
//
#ifndef INCLUDED_UTILS_RPC_HPP
#define INCLUDED_UTILS_RPC_HPP
#include <rpc/client.h>
namespace uhd {
/*! Abstraction for RPC client
*
* Purpose of this class is to wrap the underlying RPC implementation.
* This class holds a connection to an RPC server (the connection is severed on
* destruction).
*/
class rpc_client
{
public:
using sptr = std::shared_ptr<rpc_client>;
/*!
* \param addr An IP address to connect to
* \param port Port to connect to
*/
rpc_client(std::string const& addr, uint16_t port) : _client(addr, port) {}
/*! Perform an RPC call
*/
template <typename return_type, typename... Args>
return_type call(std::string const& func_name, Args&&... args)
{
std::lock_guard<std::mutex> lock(_mutex);
return _client.call(func_name, std::forward<Args>(args)...)
.template as<return_type>();
};
private:
std::mutex _mutex;
::rpc::client _client;
};
}
#endif /* INCLUDED_UTILS_RPC_HPP */
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