ros melodic library with custom message
Dependents: Robot_team1_QEI_Douglas Robot_team1
Diff: ros_lib/ros/service_server.h
- Revision:
- 0:020db18a476d
diff -r 000000000000 -r 020db18a476d ros_lib/ros/service_server.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ros_lib/ros/service_server.h Wed Oct 30 14:59:49 2019 +0000 @@ -0,0 +1,130 @@ +/* + * Software License Agreement (BSD License) + * + * Copyright (c) 2011, Willow Garage, Inc. + * All rights reserved. + * + * 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 name of Willow Garage, Inc. nor the names of its + * contributors may be used to endorse or promote prducts 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 _ROS_SERVICE_SERVER_H_ +#define _ROS_SERVICE_SERVER_H_ + +#include "rosserial_msgs/TopicInfo.h" + +#include "ros/publisher.h" +#include "ros/subscriber.h" + +namespace ros +{ + +template<typename MReq , typename MRes, typename ObjT = void> +class ServiceServer : public Subscriber_ +{ +public: + typedef void(ObjT::*CallbackT)(const MReq&, MRes&); + + ServiceServer(const char* topic_name, CallbackT cb, ObjT* obj) : + pub(topic_name, &resp, rosserial_msgs::TopicInfo::ID_SERVICE_SERVER + rosserial_msgs::TopicInfo::ID_PUBLISHER), + obj_(obj) + { + this->topic_ = topic_name; + this->cb_ = cb; + } + + // these refer to the subscriber + virtual void callback(unsigned char *data) + { + req.deserialize(data); + (obj_->*cb_)(req, resp); + pub.publish(&resp); + } + virtual const char * getMsgType() + { + return this->req.getType(); + } + virtual const char * getMsgMD5() + { + return this->req.getMD5(); + } + virtual int getEndpointType() + { + return rosserial_msgs::TopicInfo::ID_SERVICE_SERVER + rosserial_msgs::TopicInfo::ID_SUBSCRIBER; + } + + MReq req; + MRes resp; + Publisher pub; +private: + CallbackT cb_; + ObjT* obj_; +}; + +template<typename MReq , typename MRes> +class ServiceServer<MReq, MRes, void> : public Subscriber_ +{ +public: + typedef void(*CallbackT)(const MReq&, MRes&); + + ServiceServer(const char* topic_name, CallbackT cb) : + pub(topic_name, &resp, rosserial_msgs::TopicInfo::ID_SERVICE_SERVER + rosserial_msgs::TopicInfo::ID_PUBLISHER) + { + this->topic_ = topic_name; + this->cb_ = cb; + } + + // these refer to the subscriber + virtual void callback(unsigned char *data) + { + req.deserialize(data); + cb_(req, resp); + pub.publish(&resp); + } + virtual const char * getMsgType() + { + return this->req.getType(); + } + virtual const char * getMsgMD5() + { + return this->req.getMD5(); + } + virtual int getEndpointType() + { + return rosserial_msgs::TopicInfo::ID_SERVICE_SERVER + rosserial_msgs::TopicInfo::ID_SUBSCRIBER; + } + + MReq req; + MRes resp; + Publisher pub; +private: + CallbackT cb_; +}; + +} + +#endif