badb7de1a2
APEX configs have supported only 'service' definitions. For those services relying on 'on' trigger actions, we had to have separate config files installed in read-only partitions (e.g. /system/etc/init). This was suboptimal because even though APEXes are updatable, read-only partitions are not. Now, 'on' is supported in APEX configs. Putting 'on' trigger actions near to service definitions makes APEX more self-contained. 'on' trigger actions loaded from APEX configs are not sticky. So, events happens before loading APEX configs can't trigger actions. For example, 'post-fs-data' is where APEX configs are loaded for now, so 'on post-fs-data' in APEX configs can't be triggerd. Bug: 202731768 Test: atest CtsInitTestCases Change-Id: I5a01d9c7c57b07955b829d6cc157e7f0c91166f9
102 lines
3.2 KiB
C++
102 lines
3.2 KiB
C++
/*
|
|
* Copyright (C) 2015 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <map>
|
|
#include <queue>
|
|
#include <string>
|
|
#include <variant>
|
|
#include <vector>
|
|
|
|
#include <android-base/strings.h>
|
|
|
|
#include "builtins.h"
|
|
#include "keyword_map.h"
|
|
#include "result.h"
|
|
#include "subcontext.h"
|
|
|
|
namespace android {
|
|
namespace init {
|
|
|
|
Result<void> RunBuiltinFunction(const BuiltinFunction& function,
|
|
const std::vector<std::string>& args, const std::string& context);
|
|
|
|
class Command {
|
|
public:
|
|
Command(BuiltinFunction f, bool execute_in_subcontext, std::vector<std::string>&& args,
|
|
int line);
|
|
|
|
Result<void> InvokeFunc(Subcontext* subcontext) const;
|
|
std::string BuildCommandString() const;
|
|
Result<void> CheckCommand() const;
|
|
|
|
int line() const { return line_; }
|
|
|
|
private:
|
|
BuiltinFunction func_;
|
|
bool execute_in_subcontext_;
|
|
std::vector<std::string> args_;
|
|
int line_;
|
|
};
|
|
|
|
using EventTrigger = std::string;
|
|
using PropertyChange = std::pair<std::string, std::string>;
|
|
using BuiltinAction = class Action*;
|
|
|
|
class Action {
|
|
public:
|
|
Action(bool oneshot, Subcontext* subcontext, const std::string& filename, int line,
|
|
const std::string& event_trigger,
|
|
const std::map<std::string, std::string>& property_triggers);
|
|
|
|
Result<void> AddCommand(std::vector<std::string>&& args, int line);
|
|
void AddCommand(BuiltinFunction f, std::vector<std::string>&& args, int line);
|
|
size_t NumCommands() const;
|
|
void ExecuteOneCommand(std::size_t command) const;
|
|
void ExecuteAllCommands() const;
|
|
bool CheckEvent(const EventTrigger& event_trigger) const;
|
|
bool CheckEvent(const PropertyChange& property_change) const;
|
|
bool CheckEvent(const BuiltinAction& builtin_action) const;
|
|
std::string BuildTriggersString() const;
|
|
void DumpState() const;
|
|
size_t CheckAllCommands() const;
|
|
|
|
bool oneshot() const { return oneshot_; }
|
|
const std::string& filename() const { return filename_; }
|
|
int line() const { return line_; }
|
|
static void set_function_map(const BuiltinFunctionMap* function_map) {
|
|
function_map_ = function_map;
|
|
}
|
|
bool IsFromApex() const { return base::StartsWith(filename_, "/apex/"); }
|
|
|
|
private:
|
|
void ExecuteCommand(const Command& command) const;
|
|
bool CheckPropertyTriggers(const std::string& name = "",
|
|
const std::string& value = "") const;
|
|
|
|
std::map<std::string, std::string> property_triggers_;
|
|
std::string event_trigger_;
|
|
std::vector<Command> commands_;
|
|
bool oneshot_;
|
|
Subcontext* subcontext_;
|
|
std::string filename_;
|
|
int line_;
|
|
static const BuiltinFunctionMap* function_map_;
|
|
};
|
|
|
|
} // namespace init
|
|
} // namespace android
|