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content / browser / preloading / prefetch / prefetch_dns_prober.cc [blame]
// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/preloading/prefetch/prefetch_dns_prober.h"
#include <optional>
#include "base/functional/callback.h"
#include "net/base/address_list.h"
#include "net/dns/public/resolve_error_info.h"
namespace content {
PrefetchDNSProber::PrefetchDNSProber(OnDNSResultsCallback callback)
: callback_(std::move(callback)) {
DCHECK(callback_);
}
PrefetchDNSProber::~PrefetchDNSProber() {
if (callback_) {
// Indicates some kind of mojo error. Play it safe and return no success.
std::move(callback_).Run(net::ERR_FAILED, std::nullopt);
}
}
void PrefetchDNSProber::OnComplete(
int32_t error,
const net::ResolveErrorInfo& resolve_error_info,
const std::optional<net::AddressList>& resolved_addresses,
const std::optional<net::HostResolverEndpointResults>&
endpoint_results_with_metadata) {
if (callback_) {
std::move(callback_).Run(error, resolved_addresses);
}
}
} // namespace content