netwerk/base/RedirectChannelRegistrar.h

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #ifndef RedirectChannelRegistrar_h__
   6 #define RedirectChannelRegistrar_h__
   7
   8 #include "nsIRedirectChannelRegistrar.h"
   9
  10 #include "nsIChannel.h"
  11 #include "nsIParentChannel.h"
  12 #include "nsInterfaceHashtable.h"
  13 #include "mozilla/Attributes.h"
  14 #include "mozilla/Mutex.h"
  15
  16 namespace mozilla {
  17 namespace net {
  18
  19 class RedirectChannelRegistrar final : public nsIRedirectChannelRegistrar {
  20   NS_DECL_ISUPPORTS
  21   NS_DECL_NSIREDIRECTCHANNELREGISTRAR
  22
  23   RedirectChannelRegistrar();
  24
  25  private:
  26   ~RedirectChannelRegistrar() = default;
  27
  28  public:
  29   // Singleton accessor
  30   static already_AddRefed<nsIRedirectChannelRegistrar> GetOrCreate();
  31
  32   // Cleanup the singleton instance on shutdown
  33   static void Shutdown();
  34
  35  protected:
  36   typedef nsInterfaceHashtable<nsUint32HashKey, nsIChannel> ChannelHashtable;
  37   typedef nsInterfaceHashtable<nsUint32HashKey, nsIParentChannel>
  38       ParentChannelHashtable;
  39
  40   ChannelHashtable mRealChannels;
  41   ParentChannelHashtable mParentChannels;
  42   uint32_t mId;
  43   Mutex mLock;
  44
  45   static StaticRefPtr<RedirectChannelRegistrar> gSingleton;
  46 };
  47
  48 }  // namespace net
  49 }  // namespace mozilla
  50
  51 #endif