mirror of
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48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
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// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "net/nqe/network_quality_estimator_util.h"
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#include "net/base/address_list.h"
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#include "net/base/host_port_pair.h"
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#include "net/base/ip_address.h"
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#include "net/base/ip_endpoint.h"
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#include "net/base/net_errors.h"
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#include "net/dns/host_resolver.h"
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#include "net/log/net_log_with_source.h"
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namespace net {
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namespace nqe {
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namespace internal {
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bool IsPrivateHost(HostResolver* host_resolver,
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const HostPortPair& host_port_pair) {
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// Try resolving |host_port_pair.host()| synchronously.
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HostResolver::RequestInfo resolve_info(host_port_pair);
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resolve_info.set_allow_cached_response(true);
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AddressList addresses;
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// Resolve synchronously using the resolver's cache.
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int rv = host_resolver->ResolveFromCache(resolve_info, &addresses,
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NetLogWithSource());
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DCHECK_NE(rv, ERR_IO_PENDING);
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if (rv == OK && !addresses.empty()) {
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// Checking only the first address should be sufficient.
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IPEndPoint ip_end_point = addresses.front();
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net::IPAddress ip_address = ip_end_point.address();
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if (ip_address.IsReserved())
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return true;
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}
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return false;
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}
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} // namespace internal
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} // namespace nqe
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} // namespace net
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