netwerk/dns/DNSRequestChild.h
author Georg Fritzsche <georg.fritzsche@googlemail.com>
Wed, 15 Feb 2017 17:00:41 +0100
changeset 345334 bc61502be42e77e1dac46183c7a9075768f8292d
parent 322595 39ac4382a2c019178604b90acd816753fe142908
child 346140 7405ef5589cc1f141c22bc2de596c010be4d6c17
permissions -rw-r--r--
Bug 1313326 - Part 4: Flush the event IPC buffer when hitting a limit. r=chutten

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et tw=80 : */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_net_DNSRequestChild_h
#define mozilla_net_DNSRequestChild_h

#include "mozilla/net/PDNSRequestChild.h"
#include "nsICancelable.h"
#include "nsIDNSRecord.h"
#include "nsIDNSListener.h"
#include "nsIEventTarget.h"

namespace mozilla {
namespace net {

class DNSRequestChild final
  : public PDNSRequestChild
  , public nsICancelable
{
public:
  NS_DECL_THREADSAFE_ISUPPORTS
  NS_DECL_NSICANCELABLE

  DNSRequestChild(const nsCString& aHost, const uint32_t& aFlags,
                  const nsCString& aNetworkInterface,
                  nsIDNSListener *aListener, nsIEventTarget *target);

  void AddIPDLReference() {
    AddRef();
  }
  void ReleaseIPDLReference();

  // Sends IPDL request to parent
  void StartRequest();
  void CallOnLookupComplete();

protected:
  friend class CancelDNSRequestEvent;
  friend class ChildDNSService;
  virtual ~DNSRequestChild() {}

  virtual mozilla::ipc::IPCResult RecvLookupCompleted(const DNSRequestResponse& reply) override;
  virtual void ActorDestroy(ActorDestroyReason why) override;

  nsCOMPtr<nsIDNSListener>  mListener;
  nsCOMPtr<nsIEventTarget>  mTarget;
  nsCOMPtr<nsIDNSRecord>    mResultRecord;
  nsresult                  mResultStatus;
  nsCString                 mHost;
  uint16_t                  mFlags;
  nsCString                 mNetworkInterface;
  bool                      mIPCOpen;
};

} // namespace net
} // namespace mozilla

#endif // mozilla_net_DNSRequestChild_h