service_main.h

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/*
 * Copyright 2006-2009 Savarese Software Research Corporation
 *
 * 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
 *
 *     https://www.savarese.com/software/ApacheLicense-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 __SSRC_WSPR_UTILITY_SERVICE_MAIN_H
#define __SSRC_WSPR_UTILITY_SERVICE_MAIN_H

#include <ssrc/wispers/service/service.h>
#include <ssrc/wispers/utility/ServiceMainOptions.h>
#include <ssrc/wisp/utility/service_main.h>

__BEGIN_NS_SSRC_WSPR_UTILITY

struct ServiceMainOptionsProcessor :
  public NS_SSRC_WISP_UTILITY::ServiceMainOptionsProcessor
{
  typedef NS_SSRC_WISP_UTILITY::ServiceMainOptionsProcessor super;

  WISP_IMPORT(NS_SSRC_WSPR_SERVICE, ServiceProtocol);
  WISP_IMPORT(ServiceProtocol, packing_traits);
  WISP_IMPORT(ServiceProtocol, MessageStop);
  WISP_IMPORT(ServiceProtocol, CallStop);

  template<typename CustomOptions>
  static int process_options(const CustomOptions & options) {
    if(options.wspr_version) {
      std::cout << "Wispers version: " << WISPERS_VERSION << std::endl;
      return 0;
    } else {
      int exit_code = super::process_options(options);

      if(exit_code != -1) {
        return exit_code;
      } else if(options.kill) {
        NS_SSRC_WISP_PROTOCOL::Caller<packing_traits> call(options.connection);
        call(CallStop(), options.name, MessageStop());
        return 0;
      }
    }
    return -1;
  }
};

#define WSPR_CUSTOM_SERVICE_MAIN_WITH_INIT(service_type, handler_type, options_type, has_initializer, init_code) \
  WISP_CUSTOM_SERVICE_MAIN_WITH_INIT(service_type, handler_type, options_type, NS_SSRC_WSPR_UTILITY::ServiceMainOptionsProcessor, has_initializer, init_code)

#define WSPR_CUSTOM_SERVICE_MAIN(service_type, handler_type, options_type, has_initializer) \
  WISP_CUSTOM_SERVICE_MAIN(service_type, handler_type, options_type, NS_SSRC_WSPR_UTILITY::ServiceMainOptionsProcessor, has_initializer)

#define WSPR_SERVICE_MAIN_WITH_INIT(service_type, init_code)                  \
  WSPR_CUSTOM_SERVICE_MAIN_WITH_INIT(service_type,                            \
                                   NS_SSRC_WSPR_SERVICE::ServiceEventHandler, \
                                   NS_SSRC_WSPR_UTILITY::ServiceMainOptions,  \
                                   false, init_code)

#define WSPR_SERVICE_MAIN(service_type)                                 \
  WSPR_SERVICE_MAIN_WITH_INIT(service_type, WISP_EMPTY_INIT_CODE)

__END_NS_SSRC_WSPR_UTILITY

#endif