File: requester_async.cc

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ignition-transport 11.0.0%2Bds-4
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/*
 * Copyright (C) 2014 Open Source Robotics Foundation
 *
 * 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.
 *
*/

#include <iostream>
#include <ignition/msgs.hh>
#include <ignition/transport.hh>

//////////////////////////////////////////////////
/// \brief Service response callback.
void responseCb(const ignition::msgs::StringMsg &_rep, const bool _result)
{
  if (_result)
    std::cout << "Response: [" << _rep.data() << "]" << std::endl;
  else
    std::cerr << "Service call failed" << std::endl;
}

//////////////////////////////////////////////////
int main(int argc, char **argv)
{
  // Create a transport node.
  ignition::transport::Node node;

  // Prepare the input parameters.
  ignition::msgs::StringMsg req;
  req.set_data("HELLO");

  std::cout << "Press <CTRL-C> to exit" << std::endl;

  // Request the "/echo" service.
  node.Request("/echo", req, responseCb);

  // Zzzzzz.
  ignition::transport::waitForShutdown();
}