netwerk/dns/nsDNSService2.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* vim: set sw=4 ts=8 et tw=80 : */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef nsDNSService2_h__
   8 #define nsDNSService2_h__
   9
  10 #include "nsPIDNSService.h"
  11 #include "nsIIDNService.h"
  12 #include "nsIMemoryReporter.h"
  13 #include "nsIObserver.h"
  14 #include "nsHostResolver.h"
  15 #include "nsAutoPtr.h"
  16 #include "nsString.h"
  17 #include "nsTHashtable.h"
  18 #include "nsHashKeys.h"
  19 #include "nsIObserverService.h"
  20 #include "nsProxyRelease.h"
  21 #include "mozilla/Mutex.h"
  22 #include "mozilla/Attributes.h"
  23
  24 class nsDNSService MOZ_FINAL : public nsPIDNSService
  25                              , public nsIObserver
  26                              , public nsIMemoryReporter
  27 {
  28 public:
  29     NS_DECL_THREADSAFE_ISUPPORTS
  30     NS_DECL_NSPIDNSSERVICE
  31     NS_DECL_NSIDNSSERVICE
  32     NS_DECL_NSIOBSERVER
  33     NS_DECL_NSIMEMORYREPORTER
  34
  35     nsDNSService();
  36
  37     static nsIDNSService* GetXPCOMSingleton();
  38
  39     size_t SizeOfIncludingThis(mozilla::MallocSizeOf mallocSizeOf) const;
  40
  41 private:
  42     ~nsDNSService();
  43
  44     static nsDNSService* GetSingleton();
  45
  46     uint16_t GetAFForLookup(const nsACString &host, uint32_t flags);
  47
  48     nsRefPtr<nsHostResolver>  mResolver;
  49     nsCOMPtr<nsIIDNService>   mIDN;
  50
  51     // mLock protects access to mResolver and mIPv4OnlyDomains
  52     mozilla::Mutex            mLock;
  53
  54     // mIPv4OnlyDomains is a comma-separated list of domains for which only
  55     // IPv4 DNS lookups are performed. This allows the user to disable IPv6 on
  56     // a per-domain basis and work around broken DNS servers. See bug 68796.
  57     nsAdoptingCString                         mIPv4OnlyDomains;
  58     bool                                      mDisableIPv6;
  59     bool                                      mDisablePrefetch;
  60     bool                                      mFirstTime;
  61     bool                                      mOffline;
  62     bool                                      mNotifyResolution;
  63     nsMainThreadPtrHandle<nsIObserverService> mObserverService;
  64     nsTHashtable<nsCStringHashKey>            mLocalDomains;
  65 };
  66
  67 #endif //nsDNSService2_h__