| // Copyright 2015 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ipc/ipc_mojo_param_traits.h" |
| |
| #include "base/logging.h" |
| #include "ipc/ipc_message_utils.h" |
| #include "ipc/ipc_mojo_handle_attachment.h" |
| #include "ipc/ipc_mojo_message_helper.h" |
| |
| namespace IPC { |
| |
| void ParamTraits<mojo::MessagePipeHandle>::Write(base::Pickle* m, |
| const param_type& p) { |
| WriteParam(m, p.is_valid()); |
| if (p.is_valid()) |
| MojoMessageHelper::WriteMessagePipeTo(m, mojo::ScopedMessagePipeHandle(p)); |
| } |
| |
| bool ParamTraits<mojo::MessagePipeHandle>::Read(const base::Pickle* m, |
| base::PickleIterator* iter, |
| param_type* r) { |
| bool is_valid; |
| if (!ReadParam(m, iter, &is_valid)) |
| return false; |
| if (!is_valid) |
| return true; |
| |
| mojo::ScopedMessagePipeHandle handle; |
| if (!MojoMessageHelper::ReadMessagePipeFrom(m, iter, &handle)) |
| return false; |
| DCHECK(handle.is_valid()); |
| *r = handle.release(); |
| return true; |
| } |
| |
| void ParamTraits<mojo::MessagePipeHandle>::Log(const param_type& p, |
| std::string* l) { |
| l->append("mojo::MessagePipeHandle("); |
| LogParam(static_cast<uint64_t>(p.value()), l); |
| l->append(")"); |
| } |
| |
| void ParamTraits<mojo::DataPipeConsumerHandle>::Write(base::Pickle* m, |
| const param_type& p) { |
| WriteParam(m, p.is_valid()); |
| if (!p.is_valid()) |
| return; |
| |
| m->WriteAttachment(new internal::MojoHandleAttachment( |
| mojo::ScopedHandle::From(mojo::ScopedDataPipeConsumerHandle(p)))); |
| } |
| |
| bool ParamTraits<mojo::DataPipeConsumerHandle>::Read(const base::Pickle* m, |
| base::PickleIterator* iter, |
| param_type* r) { |
| bool is_valid; |
| if (!ReadParam(m, iter, &is_valid)) |
| return false; |
| if (!is_valid) |
| return true; |
| |
| scoped_refptr<base::Pickle::Attachment> attachment; |
| if (!m->ReadAttachment(iter, &attachment)) { |
| DLOG(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) { |
| DLOG(ERROR) << "Unexpected attachment type:" << static_cast<int>(type); |
| return false; |
| } |
| |
| mojo::ScopedDataPipeConsumerHandle handle; |
| handle.reset(mojo::DataPipeConsumerHandle( |
| static_cast<internal::MojoHandleAttachment*>(attachment.get()) |
| ->TakeHandle() |
| .release() |
| .value())); |
| DCHECK(handle.is_valid()); |
| *r = handle.release(); |
| return true; |
| } |
| |
| void ParamTraits<mojo::DataPipeConsumerHandle>::Log(const param_type& p, |
| std::string* l) { |
| l->append("mojo::DataPipeConsumerHandle("); |
| LogParam(static_cast<uint64_t>(p.value()), l); |
| l->append(")"); |
| } |
| |
| } // namespace IPC |