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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.
*/
#include "NetlinkProtocol.h"
namespace android::nl::protocols {
NetlinkProtocol::NetlinkProtocol(int protocol, const std::string& name,
const MessageDescriptorList&& messageDescrs)
: mProtocol(protocol), mName(name), mMessageDescrs(toMap(messageDescrs, protocol)) {}
NetlinkProtocol::~NetlinkProtocol() {}
int NetlinkProtocol::getProtocol() const {
return mProtocol;
}
const std::string& NetlinkProtocol::getName() const {
return mName;
}
const std::optional<std::reference_wrapper<MessageDescriptor>>
NetlinkProtocol::getMessageDescriptor(nlmsgtype_t nlmsg_type) {
if (mMessageDescrs.count(nlmsg_type) == 0) return std::nullopt;
return *mMessageDescrs.find(nlmsg_type)->second;
}
NetlinkProtocol::MessageDescriptorMap NetlinkProtocol::toMap(
const NetlinkProtocol::MessageDescriptorList& descrs, int protocol) {
MessageDescriptorMap map;
for (auto& descr : descrs) {
for (const auto& [mtype, mdet] : descr->getMessageDetailsMap()) {
map.emplace(mtype, descr);
}
}
const MessageDescriptorList baseDescriptors = {
std::make_shared<base::Empty>(),
std::make_shared<base::Error>(protocol),
};
for (const auto& descr : baseDescriptors) {
for (const auto& [mtype, mdet] : descr->getMessageDetailsMap()) {
map.emplace(mtype, descr);
}
}
return map;
}
} // namespace android::nl::protocols
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