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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 "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(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(p.value(), l);
l->append(")");
}
} // namespace IPC
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