| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/fuchsia/startup_context.h" |
| |
| #include <fuchsia/io/cpp/fidl.h> |
| |
| #include "base/fuchsia/file_utils.h" |
| |
| namespace base { |
| namespace fuchsia { |
| |
| StartupContext::StartupContext(::fuchsia::sys::StartupInfo startup_info) |
| : startup_info_(std::move(startup_info)) { |
| // Component manager generates |flat_namespace|, so things are horribly broken |
| // if |flat_namespace| is malformed. |
| CHECK_EQ(startup_info_.flat_namespace.directories.size(), |
| startup_info_.flat_namespace.paths.size()); |
| |
| // Find the /svc directory and wrap it into a ServiceDirectoryClient. |
| for (size_t i = 0; i < startup_info_.flat_namespace.paths.size(); ++i) { |
| if (startup_info_.flat_namespace.paths[i] == kServiceDirectoryPath) { |
| incoming_services_ = std::make_unique<ServiceDirectoryClient>( |
| fidl::InterfaceHandle<::fuchsia::io::Directory>( |
| std::move(startup_info_.flat_namespace.directories[i]))); |
| break; |
| } |
| } |
| |
| // TODO(https://crbug.com/933834): Remove these workarounds when we migrate to |
| // the new component manager. |
| if (!incoming_services_ && startup_info_.launch_info.flat_namespace) { |
| LOG(WARNING) << "Falling back to LaunchInfo namespace"; |
| for (size_t i = 0; |
| i < startup_info_.launch_info.flat_namespace->paths.size(); ++i) { |
| if (startup_info_.launch_info.flat_namespace->paths[i] == |
| kServiceDirectoryPath) { |
| incoming_services_ = std::make_unique<ServiceDirectoryClient>( |
| fidl::InterfaceHandle<::fuchsia::io::Directory>(std::move( |
| startup_info_.launch_info.flat_namespace->directories[i]))); |
| break; |
| } |
| } |
| } |
| if (!incoming_services_ && startup_info_.launch_info.additional_services) { |
| LOG(WARNING) << "Falling back to additional ServiceList services"; |
| |
| // Construct a ServiceDirectory and publish the additional services into it. |
| fidl::InterfaceHandle<::fuchsia::io::Directory> incoming_directory; |
| additional_services_.Bind( |
| std::move(startup_info_.launch_info.additional_services->provider)); |
| additional_services_directory_ = |
| std::make_unique<ServiceDirectory>(incoming_directory.NewRequest()); |
| for (auto& name : startup_info_.launch_info.additional_services->names) { |
| additional_services_directory_->AddServiceUnsafe( |
| name, base::BindRepeating( |
| &::fuchsia::sys::ServiceProvider::ConnectToService, |
| base::Unretained(additional_services_.get()), name)); |
| } |
| |
| // Publish those services to the caller as |incoming_services_|. |
| incoming_services_ = std::make_unique<ServiceDirectoryClient>( |
| fidl::InterfaceHandle<::fuchsia::io::Directory>( |
| std::move(incoming_directory))); |
| } |
| } |
| |
| StartupContext::~StartupContext() = default; |
| |
| ServiceDirectory* StartupContext::public_services() { |
| if (!public_services_ && startup_info_.launch_info.directory_request) { |
| public_services_ = std::make_unique<ServiceDirectory>( |
| fidl::InterfaceRequest<::fuchsia::io::Directory>( |
| std::move(startup_info_.launch_info.directory_request))); |
| } |
| return public_services_.get(); |
| } |
| |
| } // namespace fuchsia |
| } // namespace base |