src/cc/common.h

/*
 * Copyright (c) 2015 PLUMgrid, Inc.
 *
 * 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 <memory>
#include <string>
#include <unistd.h>
#include <vector>

namespace ebpf {

#ifdef __cpp_lib_make_unique
using std::make_unique;
#else
template <class T, class... Args>
typename std::enable_if<!std::is_array<T>::value, std::unique_ptr<T>>::type
make_unique(Args &&... args) {
  return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
}
#endif

std::vector<int> get_online_cpus();

std::vector<int> get_possible_cpus();

std::string get_pid_exe(pid_t pid);

std::string tracefs_path();

std::string tracepoint_format_file(std::string const& category,
                                   std::string const& event);

std::string parse_tracepoint(std::istream &input, std::string const& category,
                             std::string const& event);
}  // namespace ebpf