1*3f982cf4SFabien Sanglard // Copyright 2019 The Chromium Authors. All rights reserved. 2*3f982cf4SFabien Sanglard // Use of this source code is governed by a BSD-style license that can be 3*3f982cf4SFabien Sanglard // found in the LICENSE file. 4*3f982cf4SFabien Sanglard 5*3f982cf4SFabien Sanglard #ifndef DISCOVERY_DNSSD_IMPL_CONVERSION_LAYER_H_ 6*3f982cf4SFabien Sanglard #define DISCOVERY_DNSSD_IMPL_CONVERSION_LAYER_H_ 7*3f982cf4SFabien Sanglard 8*3f982cf4SFabien Sanglard #include <string> 9*3f982cf4SFabien Sanglard #include <vector> 10*3f982cf4SFabien Sanglard 11*3f982cf4SFabien Sanglard #include "absl/strings/string_view.h" 12*3f982cf4SFabien Sanglard #include "discovery/dnssd/impl/constants.h" 13*3f982cf4SFabien Sanglard #include "discovery/dnssd/public/dns_sd_instance_endpoint.h" 14*3f982cf4SFabien Sanglard #include "discovery/dnssd/public/dns_sd_txt_record.h" 15*3f982cf4SFabien Sanglard #include "discovery/mdns/mdns_records.h" 16*3f982cf4SFabien Sanglard #include "platform/base/error.h" 17*3f982cf4SFabien Sanglard 18*3f982cf4SFabien Sanglard namespace openscreen { 19*3f982cf4SFabien Sanglard namespace discovery { 20*3f982cf4SFabien Sanglard 21*3f982cf4SFabien Sanglard class InstanceKey; 22*3f982cf4SFabien Sanglard class ServiceKey; 23*3f982cf4SFabien Sanglard 24*3f982cf4SFabien Sanglard // *** Conversions from DNS entities to DNS-SD Entities *** 25*3f982cf4SFabien Sanglard 26*3f982cf4SFabien Sanglard // Attempts to create a new TXT record from the provided set of strings, 27*3f982cf4SFabien Sanglard // returning a TxtRecord on success or an error if the provided strings are 28*3f982cf4SFabien Sanglard // not valid. 29*3f982cf4SFabien Sanglard ErrorOr<DnsSdTxtRecord> CreateFromDnsTxt(const TxtRecordRdata& txt); 30*3f982cf4SFabien Sanglard 31*3f982cf4SFabien Sanglard bool IsPtrRecord(const MdnsRecord& record); 32*3f982cf4SFabien Sanglard 33*3f982cf4SFabien Sanglard // Checks that the instance, service, and domain ids in this instance are valid. 34*3f982cf4SFabien Sanglard bool HasValidDnsRecordAddress(const MdnsRecord& record); 35*3f982cf4SFabien Sanglard bool HasValidDnsRecordAddress(const DomainName& domain); 36*3f982cf4SFabien Sanglard 37*3f982cf4SFabien Sanglard //*** Conversions to DNS entities from DNS-SD Entities *** 38*3f982cf4SFabien Sanglard 39*3f982cf4SFabien Sanglard // Returns the Domain Name associated with this InstanceKey. 40*3f982cf4SFabien Sanglard DomainName GetDomainName(const InstanceKey& key); 41*3f982cf4SFabien Sanglard 42*3f982cf4SFabien Sanglard // Returns the domain name associated with this MdnsRecord. In the case of a PTR 43*3f982cf4SFabien Sanglard // record, this is the target domain, and it is the named domain in all other 44*3f982cf4SFabien Sanglard // cases. 45*3f982cf4SFabien Sanglard DomainName GetDomainName(const MdnsRecord& record); 46*3f982cf4SFabien Sanglard 47*3f982cf4SFabien Sanglard // Returns the query required to get all instance information about the service 48*3f982cf4SFabien Sanglard // instances described by the provided InstanceKey. 49*3f982cf4SFabien Sanglard DnsQueryInfo GetInstanceQueryInfo(const InstanceKey& key); 50*3f982cf4SFabien Sanglard 51*3f982cf4SFabien Sanglard // Returns the query required to get all service information that matches the 52*3f982cf4SFabien Sanglard // provided key. 53*3f982cf4SFabien Sanglard DnsQueryInfo GetPtrQueryInfo(const ServiceKey& key); 54*3f982cf4SFabien Sanglard 55*3f982cf4SFabien Sanglard // Returns all MdnsRecord entities generated from this object. 56*3f982cf4SFabien Sanglard std::vector<MdnsRecord> GetDnsRecords(const DnsSdInstanceEndpoint& endpoint); 57*3f982cf4SFabien Sanglard std::vector<MdnsRecord> GetDnsRecords(const DnsSdInstance& instance); 58*3f982cf4SFabien Sanglard 59*3f982cf4SFabien Sanglard } // namespace discovery 60*3f982cf4SFabien Sanglard } // namespace openscreen 61*3f982cf4SFabien Sanglard 62*3f982cf4SFabien Sanglard #endif // DISCOVERY_DNSSD_IMPL_CONVERSION_LAYER_H_ 63