Luis Hector Chavez | 645501c | 2016-12-28 10:56:26 -0800 | [diff] [blame] | 1 | // Copyright (c) 2015 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 "ipc/ipc_mojo_message_helper.h" |
| 6 | |
| 7 | #include <utility> |
| 8 | |
| 9 | #include "ipc/ipc_mojo_handle_attachment.h" |
| 10 | |
| 11 | namespace IPC { |
| 12 | |
| 13 | // static |
| 14 | bool MojoMessageHelper::WriteMessagePipeTo( |
| 15 | base::Pickle* message, |
| 16 | mojo::ScopedMessagePipeHandle handle) { |
| 17 | message->WriteAttachment(new internal::MojoHandleAttachment( |
| 18 | mojo::ScopedHandle::From(std::move(handle)))); |
| 19 | return true; |
| 20 | } |
| 21 | |
| 22 | // static |
| 23 | bool MojoMessageHelper::ReadMessagePipeFrom( |
| 24 | const base::Pickle* message, |
| 25 | base::PickleIterator* iter, |
| 26 | mojo::ScopedMessagePipeHandle* handle) { |
| 27 | scoped_refptr<base::Pickle::Attachment> attachment; |
| 28 | if (!message->ReadAttachment(iter, &attachment)) { |
| 29 | LOG(ERROR) << "Failed to read attachment for message pipe."; |
| 30 | return false; |
| 31 | } |
| 32 | |
| 33 | MessageAttachment::Type type = |
| 34 | static_cast<MessageAttachment*>(attachment.get())->GetType(); |
Jay Civelli | cfc1eaa | 2017-08-21 17:18:10 -0700 | [diff] [blame] | 35 | if (type != MessageAttachment::Type::MOJO_HANDLE) { |
Luis Hector Chavez | 645501c | 2016-12-28 10:56:26 -0800 | [diff] [blame] | 36 | LOG(ERROR) << "Unxpected attachment type:" << type; |
| 37 | return false; |
| 38 | } |
| 39 | |
| 40 | handle->reset(mojo::MessagePipeHandle( |
| 41 | static_cast<internal::MojoHandleAttachment*>(attachment.get()) |
| 42 | ->TakeHandle() |
| 43 | .release() |
| 44 | .value())); |
| 45 | return true; |
| 46 | } |
| 47 | |
| 48 | MojoMessageHelper::MojoMessageHelper() { |
| 49 | } |
| 50 | |
| 51 | } // namespace IPC |