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- // Copyright 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_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
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