63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
// Copyright 2020 The Chromium Authors
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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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#include "base/fuchsia/process_context.h"
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#include <fidl/fuchsia.io/cpp/hlcpp_conversion.h>
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#include <lib/sys/cpp/component_context.h>
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#include <utility>
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#include "base/no_destructor.h"
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namespace base {
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namespace {
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std::unique_ptr<sys::ComponentContext>* GetComponentContextPtr() {
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static base::NoDestructor<std::unique_ptr<sys::ComponentContext>> value(
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std::make_unique<sys::ComponentContext>(
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sys::ServiceDirectory::CreateFromNamespace()));
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return value.get();
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}
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fidl::ClientEnd<fuchsia_io::Directory>* GetIncomingServiceDirectory() {
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static base::NoDestructor<fidl::ClientEnd<fuchsia_io::Directory>> value(
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fidl::HLCPPToNatural(
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GetComponentContextPtr()->get()->svc()->CloneChannel()));
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return value.get();
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}
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} // namespace
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// TODO(crbug.com/1416555): This need to either be changed or removed when
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// TestComponentContextForProcess is migrated to Natural bindings.
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sys::ComponentContext* ComponentContextForProcess() {
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return GetComponentContextPtr()->get();
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}
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fidl::UnownedClientEnd<fuchsia_io::Directory>
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BorrowIncomingServiceDirectoryForProcess() {
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return GetIncomingServiceDirectory()->borrow();
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}
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// Replaces the component context singleton value with the passed context. The
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// incoming service directory client end is also re-mapped to the new context's
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// outgoing directory.
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// TODO(crbug.com/1416555): Rework this to support the natural binding backed
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// TestComponentContextForProcess.
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std::unique_ptr<sys::ComponentContext> ReplaceComponentContextForProcessForTest(
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std::unique_ptr<sys::ComponentContext> context) {
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std::swap(*GetComponentContextPtr(), context);
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// Hold onto a client end that's connected to the incoming service directory
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// to limit the number of channels open to the incoming service directory.
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fidl::ClientEnd<fuchsia_io::Directory> incoming_service_directory(
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fidl::HLCPPToNatural(
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GetComponentContextPtr()->get()->svc()->CloneChannel()));
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std::swap(*GetIncomingServiceDirectory(), incoming_service_directory);
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return context;
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}
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} // namespace base
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