b0c4881ea9
In the short term this will be used to help implement support for multiple kernel module directories but it may be useful in other contexts as well. Bug: 157645635 Change-Id: I15a252b6e9394292c8f3557ed65112c935830441
72 lines
3.2 KiB
C++
72 lines
3.2 KiB
C++
/*
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* Copyright (C) 2018 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 <set>
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#include <string>
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#include <unordered_map>
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#include <unordered_set>
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#include <vector>
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class Modprobe {
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public:
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Modprobe(const std::vector<std::string>&, const std::string load_file = "modules.load");
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bool LoadListedModules(bool strict = true);
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bool LoadWithAliases(const std::string& module_name, bool strict,
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const std::string& parameters = "");
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bool Remove(const std::string& module_name);
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std::vector<std::string> ListModules(const std::string& pattern);
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bool GetAllDependencies(const std::string& module, std::vector<std::string>* pre_dependencies,
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std::vector<std::string>* dependencies,
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std::vector<std::string>* post_dependencies);
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void ResetModuleCount() { module_count_ = 0; }
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int GetModuleCount() { return module_count_; }
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void EnableBlacklist(bool enable);
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void EnableVerbose(bool enable);
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private:
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std::string MakeCanonical(const std::string& module_path);
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bool InsmodWithDeps(const std::string& module_name, const std::string& parameters);
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bool Insmod(const std::string& path_name, const std::string& parameters);
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bool Rmmod(const std::string& module_name);
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std::vector<std::string> GetDependencies(const std::string& module);
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bool ModuleExists(const std::string& module_name);
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void AddOption(const std::string& module_name, const std::string& option_name,
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const std::string& value);
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std::string GetKernelCmdline();
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bool ParseDepCallback(const std::string& base_path, const std::vector<std::string>& args);
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bool ParseAliasCallback(const std::vector<std::string>& args);
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bool ParseSoftdepCallback(const std::vector<std::string>& args);
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bool ParseLoadCallback(const std::vector<std::string>& args);
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bool ParseOptionsCallback(const std::vector<std::string>& args);
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bool ParseBlacklistCallback(const std::vector<std::string>& args);
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void ParseKernelCmdlineOptions();
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void ParseCfg(const std::string& cfg, std::function<bool(const std::vector<std::string>&)> f);
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std::vector<std::pair<std::string, std::string>> module_aliases_;
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std::unordered_map<std::string, std::vector<std::string>> module_deps_;
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std::vector<std::pair<std::string, std::string>> module_pre_softdep_;
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std::vector<std::pair<std::string, std::string>> module_post_softdep_;
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std::vector<std::string> module_load_;
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std::unordered_map<std::string, std::string> module_options_;
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std::set<std::string> module_blacklist_;
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std::unordered_set<std::string> module_loaded_;
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int module_count_ = 0;
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bool blacklist_enabled = false;
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};
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