ipc/handle_win.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ipc/handle_win.h"
   6
   7 #include "base/logging.h"
   8 #include "base/memory/ref_counted.h"
   9 #include "base/strings/string_number_conversions.h"
  10 #include "ipc/handle_attachment_win.h"
  11
  12 namespace IPC {
  13
  14 HandleWin::HandleWin() : handle_(nullptr), permissions_(INVALID) {}
  15
  16 HandleWin::HandleWin(const HANDLE& handle, Permissions permissions)
  17     : handle_(handle), permissions_(permissions) {}
  18
  19 // static
  20 void ParamTraits<HandleWin>::Write(Message* m, const param_type& p) {
  21   scoped_refptr<IPC::internal::HandleAttachmentWin> attachment(
  22       new IPC::internal::HandleAttachmentWin(p.get_handle(),
  23                                              p.get_permissions()));
  24   if (!m->WriteAttachment(attachment.Pass()))
  25     NOTREACHED();
  26 }
  27
  28 // static
  29 bool ParamTraits<HandleWin>::Read(const Message* m,
  30                                   base::PickleIterator* iter,
  31                                   param_type* r) {
  32   scoped_refptr<MessageAttachment> attachment;
  33   if (!m->ReadAttachment(iter, &attachment))
  34     return false;
  35   if (attachment->GetType() != MessageAttachment::TYPE_BROKERABLE_ATTACHMENT)
  36     return false;
  37   BrokerableAttachment* brokerable_attachment =
  38       static_cast<BrokerableAttachment*>(attachment.get());
  39   if (brokerable_attachment->GetBrokerableType() !=
  40       BrokerableAttachment::WIN_HANDLE) {
  41     return false;
  42   }
  43   IPC::internal::HandleAttachmentWin* handle_attachment =
  44       static_cast<IPC::internal::HandleAttachmentWin*>(brokerable_attachment);
  45   r->set_handle(handle_attachment->get_handle());
  46   return true;
  47 }
  48
  49 // static
  50 void ParamTraits<HandleWin>::Log(const param_type& p, std::string* l) {
  51   l->append(base::StringPrintf("0x%X", p.get_handle()));
  52   l->append(base::IntToString(p.get_permissions()));
  53 }
  54
  55 }  // namespace IPC