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AK: Define our own concept of "trivially serializable"

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While at it, rename the `read_trivial_value` and `write_trivial_value`
functions to `read_value` and `write_value` respectively, since we'll
add compatibility for non-trivial types down the line.
This commit is contained in:
Tim Schumacher 2023-01-14 21:13:29 +01:00 • committed by Tim Flynn
parent 6777cb0975
commit d1711f1cef
5 changed files with 23 additions and 14 deletions
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16
Userland/Libraries/LibDNS/Packet.cpp
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@ -51,23 +51,23 @@ ErrorOr<ByteBuffer> Packet::to_byte_buffer() const
Core::Stream::AllocatingMemoryStream stream;
TRY(stream.write_trivial_value(header));
TRY(stream.write_value(header));
for (auto& question : m_questions) {
TRY(question.name().write_to_stream(stream));
TRY(stream.write_trivial_value(htons((u16)question.record_type())));
TRY(stream.write_trivial_value(htons(question.raw_class_code())));
TRY(stream.write_value(htons((u16)question.record_type())));
TRY(stream.write_value(htons(question.raw_class_code())));
}
for (auto& answer : m_answers) {
TRY(answer.name().write_to_stream(stream));
TRY(stream.write_trivial_value(htons((u16)answer.type())));
TRY(stream.write_trivial_value(htons(answer.raw_class_code())));
TRY(stream.write_trivial_value(htonl(answer.ttl())));
TRY(stream.write_value(htons((u16)answer.type())));
TRY(stream.write_value(htons(answer.raw_class_code())));
TRY(stream.write_value(htonl(answer.ttl())));
if (answer.type() == RecordType::PTR) {
Name name { answer.record_data() };
TRY(stream.write_trivial_value(htons(name.serialized_size())));
TRY(stream.write_value(htons(name.serialized_size())));
TRY(name.write_to_stream(stream));
} else {
TRY(stream.write_trivial_value(htons(answer.record_data().length())));
TRY(stream.write_value(htons(answer.record_data().length())));
TRY(stream.write_entire_buffer(answer.record_data().bytes()));
}
}