service_server_imp.h

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* Author: Eitan Marder-Eppstein
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#ifndef ACTIONLIB__SERVER__SERVICE_SERVER_IMP_H_
#define ACTIONLIB__SERVER__SERVICE_SERVER_IMP_H_

#include <string>

namespace actionlib
{

template<class ActionSpec>
ServiceServer advertiseService(ros::NodeHandle n, std::string name,
  boost::function<bool(const typename ActionSpec::_action_goal_type::_goal_type &,
  typename ActionSpec::_action_result_type::_result_type & result)> service_cb)
{
  boost::shared_ptr<ServiceServerImp> server_ptr(new ServiceServerImpT<ActionSpec>(n, name,
    service_cb));
  return ServiceServer(server_ptr);
}

template<class ActionSpec>
ServiceServerImpT<ActionSpec>::ServiceServerImpT(ros::NodeHandle n, std::string name,
  boost::function<bool(const Goal &, Result & result)> service_cb)
: service_cb_(service_cb)
{
  as_ = boost::shared_ptr<ActionServer<ActionSpec> >(new ActionServer<ActionSpec>(n, name,
      boost::bind(&ServiceServerImpT::goalCB, this, _1), false));
  as_->start();
}

template<class ActionSpec>
void ServiceServerImpT<ActionSpec>::goalCB(GoalHandle goal)
{
  goal.setAccepted("This goal has been accepted by the service server");

  // we need to pass the result into the users callback
  Result r;
  if (service_cb_(*(goal.getGoal()), r)) {
    goal.setSucceeded(r, "The service server successfully processed the request");
  } else {
    goal.setAborted(r, "The service server failed to process the request");
  }
}

}  // namespace actionlib
#endif  // ACTIONLIB__SERVER__SERVICE_SERVER_IMP_H_