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/* -*- 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 "DNSServiceBase.h"
#include "nsPIDNSService.h"
#include "mozilla/Attributes.h"
#include "mozilla/Mutex.h"
#include "DNSRequestChild.h"
#include "DNSRequestParent.h"
#include "nsHashKeys.h"
#include "nsClassHashtable.h"
namespace mozilla {
namespace net {
class TRRServiceParent;
class ChildDNSService final : public DNSServiceBase, public nsPIDNSService {
public:
// AsyncResolve (and CancelAsyncResolve) can be called off-main
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSPIDNSSERVICE
NS_DECL_NSIDNSSERVICE
NS_DECL_NSIOBSERVER
ChildDNSService();
static already_AddRefed<ChildDNSService> GetSingleton();
void NotifyRequestDone(DNSRequestSender* aDnsRequest);
void SetTRRDomain(const nsACString& aTRRDomain);
void SetTRRModeInChild(nsIDNSService::ResolverMode mode,
nsIDNSService::ResolverMode modeFromPref);
private:
virtual ~ChildDNSService() = default;
void MOZ_ALWAYS_INLINE GetDNSRecordHashKey(
const nsACString& aHost, const nsACString& aTrrServer, int32_t aPort,
uint16_t aType, const OriginAttributes& aOriginAttributes,
nsIDNSService::DNSFlags aFlags, uintptr_t aListenerAddr,
nsACString& aHashKey);
nsresult AsyncResolveInternal(const nsACString& hostname, uint16_t type,
nsIDNSService::DNSFlags flags,
nsIDNSAdditionalInfo* aInfo,
nsIDNSListener* listener,
nsIEventTarget* target_,
const OriginAttributes& aOriginAttributes,
nsICancelable** result);
nsresult CancelAsyncResolveInternal(
const nsACString& aHostname, uint16_t aType,
nsIDNSService::DNSFlags aFlags, nsIDNSAdditionalInfo* aInfo,
nsIDNSListener* aListener, nsresult aReason,
const OriginAttributes& aOriginAttributes);
// We need to remember pending dns requests to be able to cancel them.
nsClassHashtable<nsCStringHashKey, nsTArray<RefPtr<DNSRequestSender>>>
mPendingRequests;
Mutex mPendingRequestsLock MOZ_UNANNOTATED{"DNSPendingRequestsLock"};
RefPtr<TRRServiceParent> mTRRServiceParent;
nsCString mTRRDomain;
// Only set in the content process.
nsIDNSService::ResolverMode mTRRMode =
nsIDNSService::ResolverMode::MODE_NATIVEONLY;
};
} // namespace net
} // namespace mozilla
#endif // mozilla_net_ChildDNSService_h
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