xref: /aosp_15_r20/external/openscreen/discovery/dnssd/impl/service_dispatcher.h (revision 3f982cf4871df8771c9d4abe6e9a6f8d829b2736)
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_SERVICE_DISPATCHER_H_
6*3f982cf4SFabien Sanglard #define DISCOVERY_DNSSD_IMPL_SERVICE_DISPATCHER_H_
7*3f982cf4SFabien Sanglard 
8*3f982cf4SFabien Sanglard #include <memory>
9*3f982cf4SFabien Sanglard 
10*3f982cf4SFabien Sanglard #include "discovery/dnssd/impl/querier_impl.h"
11*3f982cf4SFabien Sanglard #include "discovery/dnssd/impl/service_instance.h"
12*3f982cf4SFabien Sanglard #include "discovery/dnssd/public/dns_sd_querier.h"
13*3f982cf4SFabien Sanglard #include "discovery/dnssd/public/dns_sd_service.h"
14*3f982cf4SFabien Sanglard 
15*3f982cf4SFabien Sanglard namespace openscreen {
16*3f982cf4SFabien Sanglard 
17*3f982cf4SFabien Sanglard class TaskRunner;
18*3f982cf4SFabien Sanglard 
19*3f982cf4SFabien Sanglard namespace discovery {
20*3f982cf4SFabien Sanglard 
21*3f982cf4SFabien Sanglard struct Config;
22*3f982cf4SFabien Sanglard class ReportingClient;
23*3f982cf4SFabien Sanglard 
24*3f982cf4SFabien Sanglard class ServiceDispatcher final : public DnsSdPublisher,
25*3f982cf4SFabien Sanglard                                 public DnsSdQuerier,
26*3f982cf4SFabien Sanglard                                 public DnsSdService {
27*3f982cf4SFabien Sanglard  public:
28*3f982cf4SFabien Sanglard   ServiceDispatcher(TaskRunner* task_runner,
29*3f982cf4SFabien Sanglard                     ReportingClient* reporting_client,
30*3f982cf4SFabien Sanglard                     const Config& config);
31*3f982cf4SFabien Sanglard   ~ServiceDispatcher() override;
32*3f982cf4SFabien Sanglard 
33*3f982cf4SFabien Sanglard   // DnsSdService overrides.
GetQuerier()34*3f982cf4SFabien Sanglard   DnsSdQuerier* GetQuerier() override { return querier_; }
GetPublisher()35*3f982cf4SFabien Sanglard   DnsSdPublisher* GetPublisher() override { return publisher_; }
36*3f982cf4SFabien Sanglard 
37*3f982cf4SFabien Sanglard  private:
38*3f982cf4SFabien Sanglard   // DnsSdQuerier overrides.
39*3f982cf4SFabien Sanglard   void StartQuery(const std::string& service, Callback* cb) override;
40*3f982cf4SFabien Sanglard   void StopQuery(const std::string& service, Callback* cb) override;
41*3f982cf4SFabien Sanglard   void ReinitializeQueries(const std::string& service) override;
42*3f982cf4SFabien Sanglard 
43*3f982cf4SFabien Sanglard   // DnsSdPublisher overrides.
44*3f982cf4SFabien Sanglard   Error Register(const DnsSdInstance& instance, Client* client) override;
45*3f982cf4SFabien Sanglard   Error UpdateRegistration(const DnsSdInstance& instance) override;
46*3f982cf4SFabien Sanglard   ErrorOr<int> DeregisterAll(const std::string& service) override;
47*3f982cf4SFabien Sanglard 
48*3f982cf4SFabien Sanglard   std::vector<std::unique_ptr<ServiceInstance>> service_instances_;
49*3f982cf4SFabien Sanglard 
50*3f982cf4SFabien Sanglard   TaskRunner* const task_runner_;
51*3f982cf4SFabien Sanglard 
52*3f982cf4SFabien Sanglard   // Pointers either to this instance or to nullptr depending whether the below
53*3f982cf4SFabien Sanglard   // types are supported.
54*3f982cf4SFabien Sanglard   DnsSdPublisher* const publisher_;
55*3f982cf4SFabien Sanglard   DnsSdQuerier* const querier_;
56*3f982cf4SFabien Sanglard };
57*3f982cf4SFabien Sanglard 
58*3f982cf4SFabien Sanglard }  // namespace discovery
59*3f982cf4SFabien Sanglard }  // namespace openscreen
60*3f982cf4SFabien Sanglard 
61*3f982cf4SFabien Sanglard #endif  // DISCOVERY_DNSSD_IMPL_SERVICE_DISPATCHER_H_
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