/* 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 RedirectChannelRegistrar_h_
#define RedirectChannelRegistrar_h_
#include "nsIRedirectChannelRegistrar.h"
#include "nsIChannel.h"
#include "nsIParentChannel.h"
#include "nsInterfaceHashtable.h"
#include "nsTHashMap.h"
#include "mozilla/Mutex.h"
namespace mozilla {
namespace net {
class RedirectChannelRegistrar final : public nsIRedirectChannelRegistrar {
NS_DECL_ISUPPORTS
NS_DECL_NSIREDIRECTCHANNELREGISTRAR
RedirectChannelRegistrar();
private:
~RedirectChannelRegistrar() =
default;
public:
// Singleton accessor
static already_AddRefed<nsIRedirectChannelRegistrar> GetOrCreate();
protected:
using ChannelHashtable = nsInterfaceHashtable<nsUint64HashKey, nsIChannel>;
using ParentChannelHashtable =
nsInterfaceHashtable<nsUint64HashKey, nsIParentChannel>;
ChannelHashtable mRealChannels MOZ_GUARDED_BY(mLock);
ParentChannelHashtable mParentChannels MOZ_GUARDED_BY(mLock);
// Maps a registered channel id to the ContentParentId (as a raw uint64_t,
// 0 for the parent process) of the process the redirect is destined for.
// linkChannels refuses to pair a real channel with a parent actor coming
// from any other process.
nsTHashMap<nsUint64HashKey, uint64_t> mChannelOwners MOZ_GUARDED_BY(mLock);
Mutex mLock;
static StaticRefPtr<RedirectChannelRegistrar> gSingleton;
};
}
// namespace net
}
// namespace mozilla
#endif