Event.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/ControlRegisterEvent.hh>
#include <introvirt/core/event/EventTaskInformation.hh>
#include <introvirt/core/event/EventType.hh>
#include <introvirt/core/event/ExceptionEvent.hh>
#include <introvirt/core/event/MemAccessEvent.hh>
#include <introvirt/core/event/MsrAccessEvent.hh>
#include <introvirt/core/event/SystemCallEvent.hh>
 
#include <introvirt/core/fwd.hh>
#include <introvirt/util/json/json.hh>
 
#include <cstdint>
#include <functional>
#include <ostream>
#include <string>
 
namespace introvirt {
 
enum class OS { Unknown, Windows, Linux };
 
class EventImpl;
 
class Event {
  public:
    virtual Vcpu& vcpu() = 0;
 
    virtual const Vcpu& vcpu() const = 0;
 
    virtual Domain& domain() = 0;
 
    virtual const Domain& domain() const = 0;
 
    virtual EventType type() const = 0;
 
    virtual SystemCallEvent& syscall() = 0;
 
    virtual const SystemCallEvent& syscall() const = 0;
 
    virtual ControlRegisterEvent& cr() = 0;
 
    virtual const ControlRegisterEvent& cr() const = 0;
 
    virtual MsrAccessEvent& msr() = 0;
 
    virtual const MsrAccessEvent& msr() const = 0;
 
    virtual ExceptionEvent& exception() = 0;
 
    virtual const ExceptionEvent& exception() const = 0;
 
    virtual MemAccessEvent& mem_access() = 0;
 
    virtual const MemAccessEvent& mem_access() const = 0;
 
    virtual EventTaskInformation& task() = 0;
 
    virtual const EventTaskInformation& task() const = 0;
 
    virtual OS os_type() const = 0;
 
    virtual Json::Value json() const = 0;
 
    virtual uint64_t id() const = 0;
 
    virtual EventImpl& impl() = 0;
 
    virtual ~Event() = default;
};
 
const std::string& to_string(OS);
std::ostream& operator<<(std::ostream&, OS);
 
} // namespace introvirt