1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef NOS_APP_CLIENT_H 18 #define NOS_APP_CLIENT_H 19 20 #include <cstdint> 21 #include <vector> 22 23 #include <nos/NuggetClientInterface.h> 24 25 namespace nos { 26 27 /** 28 * Client to communicate with an app running on Nugget. 29 */ 30 class AppClient { 31 public: 32 /** 33 * Create a client for an app with the given ID that communicates with 34 * Nugget through the given NuggetClient. 35 * 36 * @param client Client for Nugget. 37 * @param appId ID of the target app. 38 */ AppClient(NuggetClientInterface & client,uint32_t appId)39 AppClient(NuggetClientInterface& client, uint32_t appId) 40 : _client(client), _appId(appId) {} 41 42 /** 43 * Call the app. 44 * 45 * @param arg Argument to pass to the app. 46 * @param request Data to send to the app. 47 * @param response Buffer to receive data from the app. 48 */ Call(uint16_t arg,const std::vector<uint8_t> & request,std::vector<uint8_t> * response)49 uint32_t Call(uint16_t arg, const std::vector<uint8_t>& request, 50 std::vector<uint8_t>* response) { 51 return _client.CallApp(_appId, arg, request, response); 52 } 53 54 55 private: 56 NuggetClientInterface& _client; 57 uint32_t _appId; 58 }; 59 60 } // namespace nos 61 62 #endif // NOS_APP_CLIENT_H 63