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LookupServer: Convert to Core::Stream::UDPSocket

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This commit is contained in:
sin-ack 2022-02-06 17:13:04 +00:00 • committed by Andreas Kling
parent 17d3592cab
commit 4ca0669d1e
5 changed files with 43 additions and 45 deletions
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17
Userland/Services/LookupServer/DNSServer.cpp
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@ -16,24 +16,27 @@ DNSServer::DNSServer(Object* parent)
{
bind(IPv4Address(), 53);
on_ready_to_receive = [this]() {
handle_client();
auto result = handle_client();
if (result.is_error()) {
dbgln("DNSServer: Failed to handle client: {}", result.error());
}
};
}
void DNSServer::handle_client()
ErrorOr<void> DNSServer::handle_client()
{
sockaddr_in client_address;
auto buffer = receive(1024, client_address);
auto optional_request = DNSPacket::from_raw_packet(buffer.data(), buffer.size());
if (!optional_request.has_value()) {
dbgln("Got an invalid DNS packet");
return;
return {};
}
auto& request = optional_request.value();
if (!request.is_query()) {
dbgln("It's not a request");
return;
return {};
}
LookupServer& lookup_server = LookupServer::the();
@ -46,7 +49,7 @@ void DNSServer::handle_client()
if (question.class_code() != DNSRecordClass::IN)
continue;
response.add_question(question);
auto answers = lookup_server.lookup(question.name(), question.record_type());
auto answers = TRY(lookup_server.lookup(question.name(), question.record_type()));
for (auto& answer : answers) {
response.add_answer(answer);
}
@ -59,8 +62,8 @@ void DNSServer::handle_client()
buffer = response.to_byte_buffer();
// FIXME: We should be handling errors here.
[[maybe_unused]] auto result = send(buffer, client_address);
TRY(send(buffer, client_address));
return {};
}
}