/*
** Copyright 2015 Centreon
**
** 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.
**
** For more information : contact@centreon.com
*/

#ifndef CCB_ENGCMD_ENGINE_COMMAND_HH
#define CCB_ENGCMD_ENGINE_COMMAND_HH

#include "com/centreon/broker/extcmd/command_result.hh"
#include "com/centreon/broker/io/stream.hh"

namespace com::centreon::broker {

namespace neb {
namespace engcmd {
/**
 *  @class engine_command engine_command.hh
 * "com/centreon/broker/engcmd/engine_command.hh"
 *  @brief Engine command relay.
 *
 *  This stream relays command to centreon-engine's extcmd.so.
 */
class engine_command : public io::stream {
 public:
  engine_command(std::string const& name,
                 std::string const& command_module_path);
  ~engine_command();
  bool read(std::shared_ptr<io::data>& d, time_t deadline = (time_t)-1);
  int write(std::shared_ptr<io::data> const& d);

 private:
  engine_command(engine_command const& other);
  engine_command& operator=(engine_command const& other);

  std::string _name;
  void* _handle;
  std::string _command_module_path;
  int (*_process_external_command)(char const*);

  void _load_command_engine_module();
  void _execute_command(std::string const cmd);
};
}  // namespace engcmd
}  // namespace neb

}

#endif  // !CCB_ENGCMD_ENGINE_COMMAND_HH
