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