TaskFilter.hh

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/*
 * Copyright 2021 Assured Information Security, 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 <introvirt/core/event/Event.hh>
 
#include <set>
#include <shared_mutex>
#include <unordered_set>
 
namespace introvirt {
 
class TaskFilter final {
  public:
    void add_pid(uint64_t pid);
 
    bool remove_pid(uint64_t pid);
 
    void add_tid(uint64_t tid);
 
    bool remove_tid(uint64_t tid);
 
    void add_name(const std::string& name);
 
    bool remove_name(const std::string& name);
 
    void clear();
 
    bool matches(const Event& event) const;
 
    TaskFilter() = default;
    ~TaskFilter() = default;
 
  private:
    mutable std::shared_mutex mtx_;
    std::unordered_set<uint64_t> tid_filter_;
    std::unordered_set<uint64_t> pid_filter_;
    std::set<std::string> proc_name_filter_;
};
 
} // namespace introvirt