| // 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 "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:" << type; |
| return false; |
| } |
| |
| handle->reset(mojo::MessagePipeHandle( |
| static_cast<internal::MojoHandleAttachment*>(attachment.get()) |
| ->TakeHandle() |
| .release() |
| .value())); |
| return true; |
| } |
| |
| MojoMessageHelper::MojoMessageHelper() { |
| } |
| |
| } // namespace IPC |