116 lines
3.6 KiB
C++
116 lines
3.6 KiB
C++
/*
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* Copyright (C) 2023 The Android Open Source Project
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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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#pragma once
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#include <sys/types.h>
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#include <memory>
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#include <mutex>
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#include <set>
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#include <string>
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#include <vector>
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#include "common/libs/utils/result.h"
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#include "host/commands/cvd/types.h"
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namespace cuttlefish {
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class RunCvdProcessManager {
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struct RunCvdProcInfo {
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pid_t pid_;
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std::string home_;
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std::string exec_path_;
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cvd_common::Envs envs_;
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cvd_common::Args cmd_args_;
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std::string stop_cvd_path_;
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bool is_cvd_server_started_;
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std::optional<std::string> android_host_out_;
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unsigned id_;
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};
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struct GroupProcInfo {
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std::string home_;
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std::string exec_path_;
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std::string stop_cvd_path_;
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bool is_cvd_server_started_;
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std::optional<std::string> android_host_out_;
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struct InstanceInfo {
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std::set<pid_t> pids_;
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cvd_common::Envs envs_;
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cvd_common::Args cmd_args_;
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unsigned id_;
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};
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// instance id to instance info mapping
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std::unordered_map<unsigned, InstanceInfo> instances_;
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};
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public:
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static Result<RunCvdProcessManager> Get();
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RunCvdProcessManager(const RunCvdProcessManager&) = delete;
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RunCvdProcessManager(RunCvdProcessManager&&) = default;
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Result<void> KillAllCuttlefishInstances(const bool cvd_server_children_only,
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const bool clear_runtime_dirs) {
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auto stop_cvd_result =
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RunStopCvdAll(cvd_server_children_only, clear_runtime_dirs);
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if (!stop_cvd_result.ok()) {
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LOG(ERROR) << stop_cvd_result.error().Message();
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}
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auto send_signals_result = SendSignals(cvd_server_children_only);
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if (!send_signals_result.ok()) {
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LOG(ERROR) << send_signals_result.error().Message();
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}
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DeleteLockFiles(cvd_server_children_only);
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cf_groups_.clear();
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auto recollect_info_result = CollectInfo();
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if (!recollect_info_result.ok()) {
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LOG(ERROR) << "Recollecting run_cvd processes information failed.";
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LOG(ERROR) << recollect_info_result.error().Trace();
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}
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return {};
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}
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private:
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RunCvdProcessManager() = default;
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static Result<void> RunStopCvd(const GroupProcInfo& run_cvd_info,
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const bool clear_runtime_dirs);
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Result<void> RunStopCvdAll(const bool cvd_server_children_only,
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const bool clear_runtime_dirs);
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Result<void> SendSignals(const bool cvd_server_children_only);
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Result<RunCvdProcInfo> AnalyzeRunCvdProcess(const pid_t pid);
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void DeleteLockFiles(const bool cvd_server_children_only);
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Result<std::vector<GroupProcInfo>> CollectInfo();
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std::vector<GroupProcInfo> cf_groups_;
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};
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struct DeviceClearOptions {
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bool cvd_server_children_only;
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bool clear_instance_dirs;
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};
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/*
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* Runs stop_cvd for all cuttlefish instances found based on run_cvd processes,
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* and send SIGKILL to the run_cvd processes.
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*
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* If cvd_server_children_only is set, it kills the run_cvd processes that were
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* started by a cvd server process.
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*/
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Result<void> KillAllCuttlefishInstances(const DeviceClearOptions& options);
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Result<void> KillCvdServerProcess();
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} // namespace cuttlefish
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