1 /* 2 * Copyright (C) 2022 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 #pragma once 18 19 #include <optional> 20 #include <string> 21 #include <unordered_map> 22 #include <vector> 23 24 #include <android-base/logging.h> 25 #include <android-base/result.h> 26 #include <build/version.h> 27 28 #include "common/libs/fs/shared_fd.h" 29 #include "common/libs/utils/json.h" 30 #include "common/libs/utils/result.h" 31 #include "common/libs/utils/unix_sockets.h" 32 #include "cvd_server.pb.h" 33 #include "host/commands/cvd/types.h" 34 35 namespace cuttlefish { 36 37 struct OverrideFd { 38 std::optional<SharedFD> stdin_override_fd; 39 std::optional<SharedFD> stdout_override_fd; 40 std::optional<SharedFD> stderr_override_fd; 41 }; 42 43 class CvdClient { 44 public: 45 Result<void> ValidateServerVersion(const int num_retries = 1); 46 Result<void> StopCvdServer(bool clear); 47 Result<void> HandleAcloud( 48 const std::vector<std::string>& args, 49 const std::unordered_map<std::string, std::string>& env); 50 Result<cvd::Response> HandleCommand( 51 const std::vector<std::string>& args, 52 const std::unordered_map<std::string, std::string>& env, 53 const std::vector<std::string>& selector_args, 54 const OverrideFd& control_fds); HandleCommand(const std::vector<std::string> & args,const std::unordered_map<std::string,std::string> & env,const std::vector<std::string> & selector_args)55 Result<cvd::Response> HandleCommand( 56 const std::vector<std::string>& args, 57 const std::unordered_map<std::string, std::string>& env, 58 const std::vector<std::string>& selector_args) { 59 auto response = CF_EXPECT( 60 HandleCommand(args, env, selector_args, 61 OverrideFd{std::nullopt, std::nullopt, std::nullopt})); 62 return response; 63 } 64 Result<std::string> HandleVersion(); 65 Result<cvd_common::Args> ValidSubcmdsList(const cvd_common::Envs& envs); 66 67 private: 68 std::optional<UnixMessageSocket> server_; 69 70 Result<void> SetServer(const SharedFD& server); 71 Result<cvd::Response> SendRequest(const cvd::Request& request, 72 const OverrideFd& new_control_fds = {}, 73 std::optional<SharedFD> extra_fd = {}); 74 Result<void> StartCvdServer(); 75 Result<void> CheckStatus(const cvd::Status& status, const std::string& rpc); 76 Result<cvd::Version> GetServerVersion(); 77 78 Result<Json::Value> ListSubcommands(const cvd_common::Envs& envs); 79 static cvd::Version GetClientVersion(); 80 }; 81 82 } // end of namespace cuttlefish 83