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| 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "services/resource_coordinator/public/cpp/resource_coordinator_interfac
e.h" |
| 6 |
| 7 #include "base/process/process_handle.h" |
| 8 #include "base/strings/string_number_conversions.h" |
| 9 #include "mojo/public/cpp/bindings/binding.h" |
| 10 #include "services/resource_coordinator/public/interfaces/constants.mojom.h" |
| 11 #include "services/resource_coordinator/public/interfaces/coordination_unit_prov
ider.mojom.h" |
| 12 #include "services/service_manager/public/cpp/connector.h" |
| 13 |
| 14 namespace { |
| 15 |
| 16 void OnConnectionError() { |
| 17 CHECK(false); |
| 18 } |
| 19 |
| 20 } // namespace |
| 21 |
| 22 namespace resource_coordinator { |
| 23 |
| 24 ResourceCoordinatorInterface::ResourceCoordinatorInterface( |
| 25 service_manager::Connector* connector, |
| 26 const mojom::IDType& type) |
| 27 : weak_ptr_factory_(this) { |
| 28 static int next_id = 0; |
| 29 std::string id = base::IntToString(base::GetCurrentProcId()) + "." + |
| 30 base::IntToString(++next_id); |
| 31 ConnectToService(connector, type, id); |
| 32 } |
| 33 |
| 34 ResourceCoordinatorInterface::~ResourceCoordinatorInterface() = default; |
| 35 |
| 36 void ResourceCoordinatorInterface::ConnectToService( |
| 37 service_manager::Connector* connector, |
| 38 const mojom::IDType& type, |
| 39 const std::string& id) { |
| 40 DCHECK(connector); |
| 41 mojom::CoordinationUnitProviderPtr provider; |
| 42 connector->BindInterface(mojom::kServiceName, mojo::MakeRequest(&provider)); |
| 43 |
| 44 mojom::CoordinationUnitIDPtr options = mojom::CoordinationUnitID::New(); |
| 45 options->type = type; |
| 46 options->id = id; |
| 47 |
| 48 provider->CreateCoordinationUnit(mojo::MakeRequest(&service_), |
| 49 std::move(options)); |
| 50 |
| 51 service_.set_connection_error_handler(base::Bind(&OnConnectionError)); |
| 52 } |
| 53 |
| 54 void ResourceCoordinatorInterface::SendEvent( |
| 55 const resource_coordinator::mojom::EventType& event_type) { |
| 56 DCHECK(service_); |
| 57 mojom::EventPtr event = mojom::Event::New(); |
| 58 event->type = event_type; |
| 59 |
| 60 service_->SendEvent(std::move(event)); |
| 61 } |
| 62 |
| 63 void ResourceCoordinatorInterface::AddChild( |
| 64 const ResourceCoordinatorInterface& child) { |
| 65 DCHECK(service_); |
| 66 // We could keep the ID around ourselves, but this hop ensures that the child |
| 67 // has been created on the service-side. |
| 68 child.service()->GetID(base::Bind(&ResourceCoordinatorInterface::AddChildByID, |
| 69 weak_ptr_factory_.GetWeakPtr())); |
| 70 } |
| 71 |
| 72 void ResourceCoordinatorInterface::AddChildByID( |
| 73 resource_coordinator::mojom::CoordinationUnitIDPtr child_id) { |
| 74 service_->AddChild(std::move(child_id)); |
| 75 } |
| 76 |
| 77 } // namespace resource_coordinator |
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