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- // Copyright (c) 2015 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 "ipc/ipc_mojo_message_helper.h"
- #include <utility>
- #include "base/logging.h"
- #include "ipc/ipc_mojo_handle_attachment.h"
- namespace IPC {
- // static
- bool MojoMessageHelper::WriteMessagePipeTo(
- base::Pickle* message,
- mojo::ScopedMessagePipeHandle handle) {
- message->WriteAttachment(new internal::MojoHandleAttachment(
- mojo::ScopedHandle::From(std::move(handle))));
- return true;
- }
- // static
- bool MojoMessageHelper::ReadMessagePipeFrom(
- const base::Pickle* message,
- base::PickleIterator* iter,
- mojo::ScopedMessagePipeHandle* handle) {
- scoped_refptr<base::Pickle::Attachment> attachment;
- if (!message->ReadAttachment(iter, &attachment)) {
- LOG(ERROR) << "Failed to read attachment for message pipe.";
- return false;
- }
- MessageAttachment::Type type =
- static_cast<MessageAttachment*>(attachment.get())->GetType();
- if (type != MessageAttachment::Type::MOJO_HANDLE) {
- LOG(ERROR) << "Unxpected attachment type:" << static_cast<int>(type);
- return false;
- }
- handle->reset(mojo::MessagePipeHandle(
- static_cast<internal::MojoHandleAttachment*>(attachment.get())
- ->TakeHandle()
- .release()
- .value()));
- return true;
- }
- MojoMessageHelper::MojoMessageHelper() = default;
- } // namespace IPC
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