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(const HANDLE& handle, Permissions permissions)
  15     : handle_(handle), permissions_(permissions) {}
  16
  17 // static
  18 void ParamTraits<HandleWin>::Write(Message* m, const param_type& p) {
  19   scoped_refptr<IPC::internal::HandleAttachmentWin> attachment(
  20       new IPC::internal::HandleAttachmentWin(p.get_handle(),
  21                                              p.get_permissions()));
  22   if (!m->WriteAttachment(attachment.Pass()))
  23     NOTREACHED();
  24 }
  25
  26 // static
  27 bool ParamTraits<HandleWin>::Read(const Message* m,
  28                                   base::PickleIterator* iter,
  29                                   param_type* r) {
  30   scoped_refptr<MessageAttachment> attachment;
  31   if (!m->ReadAttachment(iter, &attachment))
  32     return false;
  33   if (attachment->GetType() != MessageAttachment::TYPE_BROKERABLE_ATTACHMENT)
  34     return false;
  35   BrokerableAttachment* brokerable_attachment =
  36       static_cast<BrokerableAttachment*>(attachment.get());
  37   if (brokerable_attachment->GetBrokerableType() !=
  38       BrokerableAttachment::WIN_HANDLE) {
  39     return false;
  40   }
  41   IPC::internal::HandleAttachmentWin* handle_attachment =
  42       static_cast<IPC::internal::HandleAttachmentWin*>(brokerable_attachment);
  43   r->set_handle(handle_attachment->get_handle());
  44   return true;
  45 }
  46
  47 // static
  48 void ParamTraits<HandleWin>::Log(const param_type& p, std::string* l) {
  49   l->append(base::StringPrintf("0x%X", p.get_handle()));
  50   l->append(base::IntToString(p.get_permissions()));
  51 }
  52
  53 }  // namespace IPC