/usr/include/ros/advertise_service_options.h is in libroscpp-dev 1.11.16-3.
This file is owned by root:root, with mode 0o644.
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* Copyright (C) 2009, Willow Garage, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the names of Stanford University or Willow Garage, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ROSCPP_ADVERTISE_SERVICE_OPTIONS_H
#define ROSCPP_ADVERTISE_SERVICE_OPTIONS_H
#include "ros/forwards.h"
#include "ros/service_callback_helper.h"
#include "ros/service_traits.h"
#include "ros/message_traits.h"
#include "common.h"
namespace ros
{
/**
* \brief Encapsulates all options available for creating a ServiceServer
*/
struct ROSCPP_DECL AdvertiseServiceOptions
{
AdvertiseServiceOptions()
: callback_queue(0)
{
}
/**
* \brief Templated convenience method for filling out md5sum/etc. based on the service request/response types
* \param _service Service name to advertise on
* \param _callback Callback to call when this service is called
*/
template<class MReq, class MRes>
void init(const std::string& _service, const boost::function<bool(MReq&, MRes&)>& _callback)
{
namespace st = service_traits;
namespace mt = message_traits;
if (st::md5sum<MReq>() != st::md5sum<MRes>())
{
ROS_FATAL("the request and response parameters to the server "
"callback function must be autogenerated from the same "
"server definition file (.srv). your advertise_servce "
"call for %s appeared to use request/response types "
"from different .srv files.", service.c_str());
ROS_BREAK();
}
service = _service;
md5sum = st::md5sum<MReq>();
datatype = st::datatype<MReq>();
req_datatype = mt::datatype<MReq>();
res_datatype = mt::datatype<MRes>();
helper = ServiceCallbackHelperPtr(new ServiceCallbackHelperT<ServiceSpec<MReq, MRes> >(_callback));
}
/**
* \brief Templated convenience method for filling out md5sum/etc. based on the service type
* \param _service Service name to advertise on
* \param _callback Callback to call when this service is called
*/
template<class Service>
void init(const std::string& _service, const boost::function<bool(typename Service::Request&, typename Service::Response&)>& _callback)
{
namespace st = service_traits;
namespace mt = message_traits;
typedef typename Service::Request Request;
typedef typename Service::Response Response;
service = _service;
md5sum = st::md5sum<Service>();
datatype = st::datatype<Service>();
req_datatype = mt::datatype<Request>();
res_datatype = mt::datatype<Response>();
helper = ServiceCallbackHelperPtr(new ServiceCallbackHelperT<ServiceSpec<Request, Response> >(_callback));
}
/**
* \brief Templated convenience method for filling out md5sum/etc. based on the service spec type
* \param _service Service name to advertise on
* \param _callback Callback to call when this service is called
*/
template<class Spec>
void initBySpecType(const std::string& _service, const typename Spec::CallbackType& _callback)
{
namespace st = service_traits;
namespace mt = message_traits;
typedef typename Spec::RequestType Request;
typedef typename Spec::ResponseType Response;
service = _service;
md5sum = st::md5sum<Request>();
datatype = st::datatype<Request>();
req_datatype = mt::datatype<Request>();
res_datatype = mt::datatype<Response>();
helper = ServiceCallbackHelperPtr(new ServiceCallbackHelperT<Spec>(_callback));
}
std::string service; ///< Service name
std::string md5sum; ///< MD5 of the service
std::string datatype; ///< Datatype of the service
std::string req_datatype; ///< Request message datatype
std::string res_datatype; ///< Response message datatype
ServiceCallbackHelperPtr helper; ///< Helper object used for creating messages and calling callbacks
CallbackQueueInterface* callback_queue; ///< Queue to add callbacks to. If NULL, the global callback queue will be used
/**
* \brief An object whose destruction will prevent the callback associated with this service from being called
*
* A shared pointer to an object to track for these callbacks. If set, the a weak_ptr will be created to this object,
* and if the reference count goes to 0 the subscriber callbacks will not get called.
*
* \note Note that setting this will cause a new reference to be added to the object before the
* callback, and for it to go out of scope (and potentially be deleted) in the code path (and therefore
* thread) that the callback is invoked from.
*/
VoidConstPtr tracked_object;
/**
* \brief Templated helper function for creating an AdvertiseServiceOptions with all of its options
* \param service Service name to advertise on
* \param callback The callback to invoke when the service is called
* \param tracked_object The tracked object to use (see AdvertiseServiceOptions::tracked_object)
* \param queue The callback queue to use (see AdvertiseServiceOptions::callback_queue)
*/
template<class Service>
static AdvertiseServiceOptions create(const std::string& service,
const boost::function<bool(typename Service::Request&, typename Service::Response&)>& callback,
const VoidConstPtr& tracked_object,
CallbackQueueInterface* queue)
{
AdvertiseServiceOptions ops;
ops.init<typename Service::Request, typename Service::Response>(service, callback);
ops.tracked_object = tracked_object;
ops.callback_queue = queue;
return ops;
}
};
}
#endif
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