1 #pragma once 2 /* 3 * Copyright (C) 2017 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 #include <inttypes.h> 19 #include <unistd.h> 20 #include <memory> 21 22 #include "common/libs/fs/shared_fd.h" 23 #include "host/commands/ivserver/vsocsharedmem.h" 24 25 namespace ivserver { 26 27 // Handles a HAL deamon client connection & handshake. 28 class HaldClient final { 29 public: 30 static std::unique_ptr<HaldClient> New(const VSoCSharedMemory &shared_mem, 31 const cvd::SharedFD &client_fd); 32 33 private: 34 cvd::SharedFD client_socket_; 35 36 // Initialize new instance of HAL Client. 37 HaldClient(const cvd::SharedFD &client_fd); 38 39 // Perform handshake with HAL Client. 40 // If the region is not found approprate status (-1) is sent. 41 // Note that for every new client connected a unique ClientConnection object 42 // will be created and after the handshake it will be destroyed. 43 bool PerformHandshake(const VSoCSharedMemory &shared_mem); 44 45 HaldClient(const HaldClient &) = delete; 46 HaldClient &operator=(const HaldClient &) = delete; 47 }; 48 49 } // namespace ivserver 50