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/*
* 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.
*/
#ifndef SIMPLE_PERF_COMMAND_H_
#define SIMPLE_PERF_COMMAND_H_
#include <functional>
#include <memory>
#include <limits>
#include <string>
#include <vector>
#include <android-base/logging.h>
#include <android-base/macros.h>
#include <android-base/parseint.h>
class Command {
public:
Command(const std::string& name, const std::string& short_help_string,
const std::string& long_help_string)
: name_(name), short_help_string_(short_help_string), long_help_string_(long_help_string) {
}
virtual ~Command() {
}
const std::string& Name() const {
return name_;
}
const std::string& ShortHelpString() const {
return short_help_string_;
}
const std::string LongHelpString() const {
return long_help_string_;
}
virtual bool Run(const std::vector<std::string>& args) = 0;
template <typename T>
bool GetUintOption(const std::vector<std::string>& args, size_t* pi, T* value, uint64_t min = 0,
uint64_t max = std::numeric_limits<T>::max(), bool allow_suffixes = false) {
if (!NextArgumentOrError(args, pi)) {
return false;
}
uint64_t tmp_value;
if (!android::base::ParseUint(args[*pi], &tmp_value, max, allow_suffixes) || tmp_value < min) {
LOG(ERROR) << "Invalid argument for option " << args[*pi - 1] << ": " << args[*pi];
return false;
}
*value = static_cast<T>(tmp_value);
return true;
}
bool GetDoubleOption(const std::vector<std::string>& args, size_t* pi, double* value,
double min = 0, double max = std::numeric_limits<double>::max());
protected:
bool NextArgumentOrError(const std::vector<std::string>& args, size_t* pi);
void ReportUnknownOption(const std::vector<std::string>& args, size_t i);
private:
const std::string name_;
const std::string short_help_string_;
const std::string long_help_string_;
DISALLOW_COPY_AND_ASSIGN(Command);
};
void RegisterCommand(const std::string& cmd_name,
const std::function<std::unique_ptr<Command>(void)>& callback);
void UnRegisterCommand(const std::string& cmd_name);
std::unique_ptr<Command> CreateCommandInstance(const std::string& cmd_name);
const std::vector<std::string> GetAllCommandNames();
bool RunSimpleperfCmd(int argc, char** argv);
#endif // SIMPLE_PERF_COMMAND_H_
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