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63 lines
2.2 KiB
63 lines
2.2 KiB
4 months ago
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// Copyright 2019 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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#ifndef DISCOVERY_DNSSD_IMPL_CONVERSION_LAYER_H_
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#define DISCOVERY_DNSSD_IMPL_CONVERSION_LAYER_H_
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#include <string>
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#include <vector>
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#include "absl/strings/string_view.h"
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#include "discovery/dnssd/impl/constants.h"
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#include "discovery/dnssd/public/dns_sd_instance_endpoint.h"
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#include "discovery/dnssd/public/dns_sd_txt_record.h"
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#include "discovery/mdns/mdns_records.h"
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#include "platform/base/error.h"
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namespace openscreen {
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namespace discovery {
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class InstanceKey;
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class ServiceKey;
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// *** Conversions from DNS entities to DNS-SD Entities ***
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// Attempts to create a new TXT record from the provided set of strings,
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// returning a TxtRecord on success or an error if the provided strings are
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// not valid.
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ErrorOr<DnsSdTxtRecord> CreateFromDnsTxt(const TxtRecordRdata& txt);
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bool IsPtrRecord(const MdnsRecord& record);
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// Checks that the instance, service, and domain ids in this instance are valid.
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bool HasValidDnsRecordAddress(const MdnsRecord& record);
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bool HasValidDnsRecordAddress(const DomainName& domain);
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//*** Conversions to DNS entities from DNS-SD Entities ***
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// Returns the Domain Name associated with this InstanceKey.
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DomainName GetDomainName(const InstanceKey& key);
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// Returns the domain name associated with this MdnsRecord. In the case of a PTR
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// record, this is the target domain, and it is the named domain in all other
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// cases.
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DomainName GetDomainName(const MdnsRecord& record);
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// Returns the query required to get all instance information about the service
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// instances described by the provided InstanceKey.
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DnsQueryInfo GetInstanceQueryInfo(const InstanceKey& key);
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// Returns the query required to get all service information that matches the
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// provided key.
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DnsQueryInfo GetPtrQueryInfo(const ServiceKey& key);
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// Returns all MdnsRecord entities generated from this object.
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std::vector<MdnsRecord> GetDnsRecords(const DnsSdInstanceEndpoint& endpoint);
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std::vector<MdnsRecord> GetDnsRecords(const DnsSdInstance& instance);
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} // namespace discovery
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} // namespace openscreen
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#endif // DISCOVERY_DNSSD_IMPL_CONVERSION_LAYER_H_
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