1 /* 2 * Copyright (C) 2023 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 <sys/types.h> 20 21 #include "common/libs/utils/result.h" 22 #include "common/libs/utils/users.h" 23 #include "host/commands/cvd/selector/instance_database.h" 24 #include "host/commands/cvd/selector/instance_database_types.h" 25 #include "host/commands/cvd/selector/selector_common_parser.h" 26 #include "host/commands/cvd/types.h" 27 28 namespace cuttlefish { 29 namespace selector { 30 31 class GroupSelector { 32 public: 33 static Result<GroupSelector> GetSelector( 34 const cvd_common::Args& selector_args, const Queries& extra_queries, 35 const cvd_common::Envs& envs, const uid_t uid); 36 /* 37 * If default, try running single instance group. If multiple, try to find 38 * HOME == SystemWideUserHome. If not exists, give up. 39 * 40 * If group given, find group, and check if all instance names are included 41 * 42 * If group not given, not yet supported. Will be in next CLs 43 */ 44 Result<LocalInstanceGroup> FindGroup( 45 const InstanceDatabase& instance_database); 46 47 private: GroupSelector(const uid_t uid,const Queries & queries)48 GroupSelector(const uid_t uid, const Queries& queries) 49 : client_uid_{uid}, queries_{queries} {} 50 51 // used by Select() 52 static bool IsHomeOverridden(const SelectorCommonParser& common_parser); 53 54 Result<LocalInstanceGroup> FindDefaultGroup( 55 const InstanceDatabase& instance_database); 56 57 const uid_t client_uid_; 58 const Queries queries_; 59 }; 60 61 } // namespace selector 62 } // namespace cuttlefish 63