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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 "GenericMessageBase.h"
namespace android::nl::protocols::generic {
GenericMessageBase::GenericMessageBase(
nlmsgtype_t msgtype, const std::string&& msgname,
const std::initializer_list<GenericCommandNameMap::value_type> commandNames,
const std::initializer_list<AttributeMap::value_type> attrTypes)
: MessageDefinition<genlmsghdr>(msgname, {{msgtype, {msgname, MessageGenre::Unknown}}},
attrTypes),
mCommandNames(commandNames) {}
void GenericMessageBase::toStream(std::stringstream& ss, const genlmsghdr& data) const {
const auto commandNameIt = mCommandNames.find(data.cmd);
const auto commandName = (commandNameIt == mCommandNames.end())
? std::nullopt
: std::optional<std::string>(commandNameIt->second);
if (commandName.has_value() && data.version == 1 && data.reserved == 0) {
// short version
ss << *commandName;
return;
}
ss << "genlmsghdr{";
if (commandName.has_value()) {
ss << "cmd=" << *commandName;
} else {
ss << "cmd=" << unsigned(data.cmd);
}
ss << ", version=" << unsigned(data.version);
if (data.reserved != 0) ss << ", reserved=" << data.reserved;
ss << "}";
}
} // namespace android::nl::protocols::generic
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