gecko-dev/netwerk/dns/ChildDNSService.h

61 lines
1.7 KiB
C++

/* -*- 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_ChildDNSService_h
#define mozilla_net_ChildDNSService_h
#include "nsPIDNSService.h"
#include "nsIObserver.h"
#include "mozilla/Attributes.h"
#include "mozilla/Mutex.h"
#include "DNSRequestChild.h"
#include "nsHashKeys.h"
#include "nsClassHashtable.h"
namespace mozilla {
namespace net {
class ChildDNSService final
: public nsPIDNSService
, public nsIObserver
{
public:
// AsyncResolve (and CancelAsyncResolve) can be called off-main
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSPIDNSSERVICE
NS_DECL_NSIDNSSERVICE
NS_DECL_NSIOBSERVER
ChildDNSService();
static ChildDNSService* GetSingleton();
void NotifyRequestDone(DNSRequestChild *aDnsRequest);
bool GetOffline() const;
private:
virtual ~ChildDNSService();
void MOZ_ALWAYS_INLINE GetDNSRecordHashKey(const nsACString &aHost,
uint32_t aFlags,
const nsACString &aNetworkInterface,
nsIDNSListener* aListener,
nsACString &aHashKey);
bool mFirstTime;
bool mDisablePrefetch;
// We need to remember pending dns requests to be able to cancel them.
nsClassHashtable<nsCStringHashKey, nsTArray<RefPtr<DNSRequestChild>>> mPendingRequests;
Mutex mPendingRequestsLock;
};
} // namespace net
} // namespace mozilla
#endif // mozilla_net_ChildDNSService_h