46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
// Copyright 2018 The Chromium Authors
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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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#ifndef NET_DNS_PUBLIC_UTIL_H_
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#define NET_DNS_PUBLIC_UTIL_H_
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#include <stdint.h>
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#include <string>
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#include "net/base/address_family.h"
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#include "net/base/ip_endpoint.h"
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#include "net/base/net_export.h"
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namespace url {
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class SchemeHostPort;
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}
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// Basic utility functions for interaction with MDNS and host resolution.
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namespace net::dns_util {
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// Gets the endpoint for the multicast group a socket should join to receive
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// MDNS messages. Such sockets should also bind to the endpoint from
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// GetMDnsReceiveEndPoint().
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//
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// This is also the endpoint messages should be sent to to send MDNS messages.
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NET_EXPORT IPEndPoint GetMdnsGroupEndPoint(AddressFamily address_family);
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// Gets the endpoint sockets should be bound to to receive MDNS messages. Such
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// sockets should also join the multicast group from GetMDnsGroupEndPoint().
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NET_EXPORT IPEndPoint GetMdnsReceiveEndPoint(AddressFamily address_family);
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// Determine the new hostname for an HTTPS record query by performing "Port
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// Prefix Naming" as defined by draft-ietf-dnsop-svcb-https-08, Section 9.1.
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//
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// If non-null, `out_port` is set to the port used for the query, which might
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// not be the same as `host.port()`, e.g. if port 80 is converted to 443 for
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// scheme upgrade.
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NET_EXPORT std::string GetNameForHttpsQuery(const url::SchemeHostPort& host,
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uint16_t* out_port = nullptr);
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} // namespace net::dns_util
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#endif // NET_DNS_PUBLIC_UTIL_H_
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