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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/handle_win.h"
#include <utility>
#include "base/logging.h"
#include "base/memory/ref_counted.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/stringprintf.h"
#include "ipc/handle_attachment_win.h"
#include "ipc/ipc_message.h"
namespace IPC {
HandleWin::HandleWin() : handle_(nullptr), permissions_(INVALID) {}
HandleWin::HandleWin(const HANDLE& handle, Permissions permissions)
: handle_(handle), permissions_(permissions) {}
// static
void ParamTraits<HandleWin>::Write(base::Pickle* m, const param_type& p) {
scoped_refptr<IPC::internal::HandleAttachmentWin> attachment(
new IPC::internal::HandleAttachmentWin(p.get_handle(),
p.get_permissions()));
if (!m->WriteAttachment(std::move(attachment)))
NOTREACHED();
}
// static
bool ParamTraits<HandleWin>::Read(const base::Pickle* m,
base::PickleIterator* iter,
param_type* r) {
scoped_refptr<base::Pickle::Attachment> base_attachment;
if (!m->ReadAttachment(iter, &base_attachment))
return false;
MessageAttachment* attachment =
static_cast<MessageAttachment*>(base_attachment.get());
if (attachment->GetType() != MessageAttachment::TYPE_BROKERABLE_ATTACHMENT)
return false;
BrokerableAttachment* brokerable_attachment =
static_cast<BrokerableAttachment*>(attachment);
if (brokerable_attachment->GetBrokerableType() !=
BrokerableAttachment::WIN_HANDLE) {
return false;
}
IPC::internal::HandleAttachmentWin* handle_attachment =
static_cast<IPC::internal::HandleAttachmentWin*>(brokerable_attachment);
r->set_handle(handle_attachment->get_handle());
handle_attachment->reset_handle_ownership();
return true;
}
// static
void ParamTraits<HandleWin>::Log(const param_type& p, std::string* l) {
l->append(base::StringPrintf("0x%p", p.get_handle()));
l->append(base::IntToString(p.get_permissions()));
}
} // namespace IPC
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