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/*
* Copyright (C) 2020 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 "MessageDefinition.h"
#include "common/Empty.h"
#include "common/Error.h"
#include <libnl++/types.h>
#include <string>
#include <vector>
namespace android::nl::protocols {
/**
* Netlink-based protocol definition.
*
* Usually it's just an id/name and a list of supported messages.
*/
class NetlinkProtocol {
public:
virtual ~NetlinkProtocol();
int getProtocol() const;
const std::string& getName() const;
virtual const std::optional<std::reference_wrapper<MessageDescriptor>> getMessageDescriptor(
nlmsgtype_t nlmsg_type);
protected:
typedef std::vector<std::shared_ptr<MessageDescriptor>> MessageDescriptorList;
NetlinkProtocol(int protocol, const std::string& name,
const MessageDescriptorList&& messageDescrs);
private:
typedef std::map<nlmsgtype_t, std::shared_ptr<MessageDescriptor>> MessageDescriptorMap;
const int mProtocol;
const std::string mName;
const MessageDescriptorMap mMessageDescrs;
static MessageDescriptorMap toMap(const MessageDescriptorList& descrs, int protocol);
};
} // namespace android::nl::protocols
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