Line data    Source code

       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 "mozilla/Mutex.h"
      20             : #include "mozilla/Attributes.h"
      21             : 
      22           0 : class nsDNSService final : public nsPIDNSService
      23             :                          , public nsIObserver
      24             :                          , public nsIMemoryReporter
      25             : {
      26             : public:
      27             :     NS_DECL_THREADSAFE_ISUPPORTS
      28             :     NS_DECL_NSPIDNSSERVICE
      29             :     NS_DECL_NSIDNSSERVICE
      30             :     NS_DECL_NSIOBSERVER
      31             :     NS_DECL_NSIMEMORYREPORTER
      32             : 
      33             :     nsDNSService();
      34             : 
      35             :     static nsIDNSService* GetXPCOMSingleton();
      36             : 
      37             :     size_t SizeOfIncludingThis(mozilla::MallocSizeOf mallocSizeOf) const;
      38             : 
      39             :     bool GetOffline() const;
      40             : 
      41             : private:
      42             :     ~nsDNSService();
      43             : 
      44             :     static nsDNSService* GetSingleton();
      45             : 
      46             :     uint16_t GetAFForLookup(const nsACString &host, uint32_t flags);
      47             : 
      48             :     nsresult PreprocessHostname(bool              aLocalDomain,
      49             :                                 const nsACString &aInput,
      50             :                                 nsIIDNService    *aIDN,
      51             :                                 nsACString       &aACE);
      52             : 
      53             :     RefPtr<nsHostResolver>  mResolver;
      54             :     nsCOMPtr<nsIIDNService>   mIDN;
      55             : 
      56             :     // mLock protects access to mResolver and mIPv4OnlyDomains
      57             :     mozilla::Mutex            mLock;
      58             : 
      59             :     // mIPv4OnlyDomains is a comma-separated list of domains for which only
      60             :     // IPv4 DNS lookups are performed. This allows the user to disable IPv6 on
      61             :     // a per-domain basis and work around broken DNS servers. See bug 68796.
      62             :     nsAdoptingCString                         mIPv4OnlyDomains;
      63             :     nsAdoptingCString                         mForceResolve;
      64             :     bool                                      mDisableIPv6;
      65             :     bool                                      mDisablePrefetch;
      66             :     bool                                      mBlockDotOnion;
      67             :     bool                                      mFirstTime;
      68             :     bool                                      mNotifyResolution;
      69             :     bool                                      mOfflineLocalhost;
      70             :     bool                                      mForceResolveOn;
      71             :     nsTHashtable<nsCStringHashKey>            mLocalDomains;
      72             : };
      73             : 
      74             : #endif //nsDNSService2_h__