107 lines
3.3 KiB
C++
107 lines
3.3 KiB
C++
/*
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* copyright (C) 2015 Open Source Robotics Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#ifndef _GAZEBO_REST_API_HH_
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#define _GAZEBO_REST_API_HH_
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#include <string>
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#include <list>
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#include <gazebo/common/Console.hh>
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#include "RestException.hh"
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namespace gazebo
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{
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/// \class RestApi RestApi.hh RestApi.hh
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/// \brief REST interface
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class RestApi
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{
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/// \brief Constructor
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public: RestApi();
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/// \brief Destructor
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public: virtual ~RestApi();
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/// \brief Connects to the REST service.
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/// \param[in] _url The web service url
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/// \param[in] _route The route on the server
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/// \param[in] _user The user name
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/// \param[in] _pass The user password
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/// \return The response message from the REST server
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public: std::string Login(const std::string &_url,
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const std::string &_route,
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const std::string &_user,
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const std::string &_pass);
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/// \brief Stops sending messages to the REST service.
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/// Does not do anything if not logged in. Once logged out,
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/// a new call to Login has to be made to resume sending messages.
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public: void Logout();
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/// \brief Notify the service with a http POST
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/// \param[in] _route on the web server
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/// \param[in] _json the data to send to the server
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public: void PostJsonData(const char *_route, const char *_json);
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/// \brief Returns the username
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/// \return The user name
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public: std::string GetUser() const;
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/// \brief A Request/Respone (can be used for GET and POST)
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/// \param[in] _requestUrl The request url.
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/// \param[in] _postStr The data to post
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/// \throws RestException When this->url or this->user are empty, and
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/// when the request failed.
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/// \return The web server response
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private: std::string Request(const std::string &_requestUrl,
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const std::string &_postStr);
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/// \brief Sends unposted posts
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private: void SendUnpostedPosts();
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/// \brief Login information: REST service host url
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private: std::string url;
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/// \brief Login information: REST service username
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private: std::string user;
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/// \brief Login information: REST service password
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private: std::string pass;
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/// \brief Login information: login route
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private: std::string loginRoute;
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/// \brief True when a previous Login attempt was successful
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private: bool isLoggedIn;
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/// \brief A post: what (json) and where (route)
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private: struct Post
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{
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std::string route;
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std::string json;
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};
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/// \brief List of unposted posts. Posts await when isLoggedIn is false
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private: std::list<Post> posts;
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/// \brief A mutex to ensure integrity of the post list
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private: boost::mutex postsMutex;
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};
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}
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#endif
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