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// Copyright (C) 2018-2022 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
/// @file stdout_control_socket.h
/// Contains declarations for stdout control socket communication.
#ifndef STDOUT_CONTROL_SOCKET_H
#define STDOUT_CONTROL_SOCKET_H
#include <netconf/control_socket.h>
#include <iostream>
namespace isc {
namespace netconf {
/// @brief Class for control socket communication over stdout.
///
/// This class is the derived class for control socket communication
/// over stdout.
/// This class implements config-test (always OK) and config-set.
class StdoutControlSocket : public ControlSocketBase {
public:
/// @brief Constructor.
///
/// Use std::cout.
///
/// @param ctrl_sock The control socket configuration.
StdoutControlSocket(CfgControlSocketPtr ctrl_sock);
/// @brief Destructor (does nothing).
virtual ~StdoutControlSocket() = default;
/// @brief Get configuration.
///
/// Call config-get over the control socket.
///
/// @param service The target service (ignored).
/// @return The JSON element answer of config-get.
/// @throw NotImplemented
virtual data::ConstElementPtr configGet(const std::string& service);
/// @brief Test configuration.
///
/// Call config-test over the control socket.
///
/// @param config The configuration to test (ignored).
/// @param service The target service (ignored).
/// @return The JSON element answer of config-test (fixed answer).
virtual data::ConstElementPtr configTest(data::ConstElementPtr config,
const std::string& service);
/// @brief Set configuration.
///
/// Call config-set over the control socket.
///
/// @param config The configuration to set.
/// @param service The target service.
/// @return The JSON element answer of config-set (fixed answer).
virtual data::ConstElementPtr configSet(data::ConstElementPtr config,
const std::string& service);
protected:
/// @brief Alternative constructor for tests.
///
/// @param ctrl_sock The control socket configuration.
/// @param output The output stream.
StdoutControlSocket(CfgControlSocketPtr ctrl_sock, std::ostream& output);
/// @brief The output stream (std::cout outside tests).
std::ostream& output_;
}; // StdoutControlSocket
/// @brief Type definition for the pointer to the @c StdoutControlSocket.
using StdoutControlSocketPtr = std::shared_ptr<StdoutControlSocket>;
/// @brief Factory template specialization for stdout control sockets.
///
/// @param ctrl_sock The control socket configuration.
/// @return A pointer to a stdout control socket communication object.
template <> ControlSocketBasePtr
createControlSocket<CfgControlSocket::Type::STDOUT>(CfgControlSocketPtr ctrl_sock);
} // namespace netconf
} // namespace isc
#endif // STDOUT_CONTROL_SOCKET_H
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