ipc/attachment_broker_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/attachment_broker_win.h"
   6
   7 #include "base/process/process.h"
   8 #include "ipc/attachment_broker_messages.h"
   9 #include "ipc/brokerable_attachment.h"
  10 #include "ipc/handle_attachment_win.h"
  11 #include "ipc/ipc_sender.h"
  12
  13 namespace IPC {
  14
  15 AttachmentBrokerWin::AttachmentBrokerWin() {
  16 }
  17
  18 AttachmentBrokerWin::~AttachmentBrokerWin() {
  19 }
  20
  21 void AttachmentBrokerWin::OnReceiveDuplicatedHandle(
  22     HANDLE,
  23     BrokerableAttachment::AttachmentId id) {
  24   // TODO(erikchen): Implement me. http://crbug.com/493414
  25 }
  26
  27 bool AttachmentBrokerWin::SendAttachmentToProcess(
  28     const BrokerableAttachment* attachment,
  29     base::ProcessId destination_process) {
  30   switch (attachment->GetBrokerableType()) {
  31     case BrokerableAttachment::WIN_HANDLE:
  32       const internal::HandleAttachmentWin* handle_attachment =
  33           static_cast<const internal::HandleAttachmentWin*>(attachment);
  34       internal::HandleAttachmentWin::WireFormat format =
  35           handle_attachment->GetWireFormat(destination_process);
  36       return sender_->Send(
  37           new AttachmentBrokerMsg_DuplicateWinHandle(format));
  38   }
  39   return false;
  40 }
  41
  42 bool AttachmentBrokerWin::GetAttachmentWithId(
  43     BrokerableAttachment::AttachmentId id,
  44     BrokerableAttachment* attachment) {
  45   // TODO(erikchen): Implement me. http://crbug.com/493414
  46   return false;
  47 }
  48
  49 bool AttachmentBrokerWin::OnMessageReceived(const Message& msg) {
  50   bool handled = true;
  51   IPC_BEGIN_MESSAGE_MAP(AttachmentBrokerWin, msg)
  52     IPC_MESSAGE_HANDLER(AttachmentBrokerMsg_WinHandleHasBeenDuplicated,
  53                         OnWinHandleHasBeenDuplicated)
  54     IPC_MESSAGE_UNHANDLED(handled = false)
  55   IPC_END_MESSAGE_MAP()
  56   return handled;
  57 }
  58
  59 void AttachmentBrokerWin::OnWinHandleHasBeenDuplicated(
  60     const IPC::internal::HandleAttachmentWin::WireFormat& wire_format) {
  61   // The IPC message was intended for a different process. Ignore it.
  62   if (wire_format.destination_process != base::Process::Current().Pid())
  63     return;
  64
  65   scoped_refptr<BrokerableAttachment> attachment(
  66       new IPC::internal::HandleAttachmentWin(wire_format));
  67   attachments_.push_back(attachment);
  68 }
  69
  70 }  // namespace IPC