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/* 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 NetworkConnectivityService_h_
#define NetworkConnectivityService_h_
#include "nsINetworkConnectivityService.h"
#include "nsCOMPtr.h"
#include "nsIObserver.h"
#include "nsIDNSListener.h"
#include "nsIStreamListener.h"
#include "mozilla/net/DNS.h"
#include "mozilla/Mutex.h"
namespace mozilla {
namespace net {
class NetworkConnectivityService : public nsINetworkConnectivityService,
public nsIObserver,
public nsIDNSListener,
public nsIStreamListener {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSINETWORKCONNECTIVITYSERVICE
NS_DECL_NSIOBSERVER
NS_DECL_NSIDNSLISTENER
NS_DECL_NSISTREAMLISTENER
NS_DECL_NSIREQUESTOBSERVER
already_AddRefed<AddrInfo> MapNAT64IPs(AddrInfo* aNewRRSet);
static already_AddRefed<NetworkConnectivityService> GetSingleton();
private:
NetworkConnectivityService() = default;
virtual ~NetworkConnectivityService() = default;
nsresult Init();
// Calls all the check methods
void PerformChecks();
void SaveNAT64Prefixes(nsIDNSRecord* aRecord);
already_AddRefed<nsIChannel> SetupIPCheckChannel(bool ipv4);
// Will be set to OK if the DNS request returned in IP of this type,
// NOT_AVAILABLE if that type of resolution is not available
// UNKNOWN if the check wasn't performed
Atomic<ConnectivityState, Relaxed> mDNSv4{ConnectivityState::UNKNOWN};
Atomic<ConnectivityState, Relaxed> mDNSv6{ConnectivityState::UNKNOWN};
Atomic<ConnectivityState, Relaxed> mDNS_HTTPS{ConnectivityState::UNKNOWN};
Atomic<ConnectivityState, Relaxed> mIPv4{ConnectivityState::UNKNOWN};
Atomic<ConnectivityState, Relaxed> mIPv6{ConnectivityState::UNKNOWN};
Atomic<ConnectivityState, Relaxed> mNAT64{ConnectivityState::UNKNOWN};
nsTArray<NetAddr> mNAT64Prefixes{ConnectivityState::UNKNOWN};
nsCOMPtr<nsICancelable> mDNSv4Request;
nsCOMPtr<nsICancelable> mDNSv6Request;
nsCOMPtr<nsICancelable> mDNS_HTTPSRequest;
nsCOMPtr<nsICancelable> mNAT64Request;
nsCOMPtr<nsIChannel> mIPv4Channel;
nsCOMPtr<nsIChannel> mIPv6Channel;
bool mCheckedNetworkId = false;
bool mHasNetworkId = false;
bool mIdleStartupDone{false};
Mutex mLock MOZ_UNANNOTATED{"nat64prefixes"};
};
} // namespace net
} // namespace mozilla
#endif // NetworkConnectivityService_h_
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