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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 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_dom_presentation_provider_MulticastDNSDeviceProvider_h
#define mozilla_dom_presentation_provider_MulticastDNSDeviceProvider_h
#include "mozilla/RefPtr.h"
#include "nsCOMPtr.h"
#include "nsICancelable.h"
#include "nsIDNSServiceDiscovery.h"
#include "nsIObserver.h"
#include "nsIPresentationDevice.h"
#include "nsIPresentationDeviceProvider.h"
#include "nsIPresentationControlService.h"
#include "nsITimer.h"
#include "nsIWeakReferenceUtils.h"
#include "nsString.h"
#include "nsTArray.h"
class nsITCPDeviceInfo;
namespace mozilla {
namespace dom {
namespace presentation {
class DNSServiceWrappedListener;
class MulticastDNSService;
class MulticastDNSDeviceProvider final
: public nsIPresentationDeviceProvider,
public nsIDNSServiceDiscoveryListener,
public nsIDNSRegistrationListener,
public nsIDNSServiceResolveListener,
public nsIPresentationControlServerListener,
public nsIObserver {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIPRESENTATIONDEVICEPROVIDER
NS_DECL_NSIDNSSERVICEDISCOVERYLISTENER
NS_DECL_NSIDNSREGISTRATIONLISTENER
NS_DECL_NSIDNSSERVICERESOLVELISTENER
NS_DECL_NSIPRESENTATIONCONTROLSERVERLISTENER
NS_DECL_NSIOBSERVER
explicit MulticastDNSDeviceProvider();
nsresult Init();
void Uninit();
private:
enum class DeviceState : uint32_t { eUnknown, eActive };
class Device final : public nsIPresentationDevice {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIPRESENTATIONDEVICE
explicit Device(const nsACString& aId, const nsACString& aName,
const nsACString& aType, const nsACString& aAddress,
const uint16_t aPort, const nsACString& aCertFingerprint,
DeviceState aState, MulticastDNSDeviceProvider* aProvider)
: mId(aId),
mName(aName),
mType(aType),
mAddress(aAddress),
mPort(aPort),
mCertFingerprint(aCertFingerprint),
mState(aState),
mProvider(aProvider) {}
const nsCString& Id() const { return mId; }
const nsCString& Address() const { return mAddress; }
uint16_t Port() const { return mPort; }
const nsCString& CertFingerprint() const { return mCertFingerprint; }
DeviceState State() const { return mState; }
void ChangeState(DeviceState aState) { mState = aState; }
void Update(const nsACString& aName, const nsACString& aType,
const nsACString& aAddress, const uint16_t aPort,
const nsACString& aCertFingerprint) {
mName = aName;
mType = aType;
mAddress = aAddress;
mPort = aPort;
mCertFingerprint = aCertFingerprint;
}
private:
virtual ~Device() = default;
nsCString mId;
nsCString mName;
nsCString mType;
nsCString mAddress;
uint16_t mPort;
nsCString mCertFingerprint;
DeviceState mState;
MulticastDNSDeviceProvider* mProvider;
};
struct DeviceIdComparator {
bool Equals(const RefPtr<Device>& aA, const RefPtr<Device>& aB) const {
return aA->Id() == aB->Id();
}
};
struct DeviceAddressComparator {
bool Equals(const RefPtr<Device>& aA, const RefPtr<Device>& aB) const {
return aA->Address() == aB->Address();
}
};
virtual ~MulticastDNSDeviceProvider();
nsresult StartServer();
void StopServer();
void AbortServerRetry();
nsresult RegisterMDNSService();
void UnregisterMDNSService(nsresult aReason);
nsresult StopDiscovery(nsresult aReason);
nsresult Connect(Device* aDevice, nsIPresentationControlChannel** aRetVal);
bool IsCompatibleServer(nsIDNSServiceInfo* aServiceInfo);
// device manipulation
nsresult AddDevice(const nsACString& aId, const nsACString& aServiceName,
const nsACString& aServiceType, const nsACString& aAddress,
const uint16_t aPort, const nsACString& aCertFingerprint);
nsresult UpdateDevice(const uint32_t aIndex, const nsACString& aServiceName,
const nsACString& aServiceType,
const nsACString& aAddress, const uint16_t aPort,
const nsACString& aCertFingerprint);
nsresult RemoveDevice(const uint32_t aIndex);
bool FindDeviceById(const nsACString& aId, uint32_t& aIndex);
bool FindDeviceByAddress(const nsACString& aAddress, uint32_t& aIndex);
already_AddRefed<Device> GetOrCreateDevice(nsITCPDeviceInfo* aDeviceInfo);
void MarkAllDevicesUnknown();
void ClearUnknownDevices();
void ClearDevices();
// preferences
nsresult OnDiscoveryChanged(bool aEnabled);
nsresult OnDiscoveryTimeoutChanged(uint32_t aTimeoutMs);
nsresult OnDiscoverableChanged(bool aEnabled);
nsresult OnServiceNameChanged(const nsACString& aServiceName);
bool mInitialized = false;
nsWeakPtr mDeviceListener;
nsCOMPtr<nsIPresentationControlService> mPresentationService;
nsCOMPtr<nsIDNSServiceDiscovery> mMulticastDNS;
RefPtr<DNSServiceWrappedListener> mWrappedListener;
nsCOMPtr<nsICancelable> mDiscoveryRequest;
nsCOMPtr<nsICancelable> mRegisterRequest;
nsTArray<RefPtr<Device>> mDevices;
bool mDiscoveryEnabled = false;
bool mIsDiscovering = false;
uint32_t mDiscoveryTimeoutMs;
nsCOMPtr<nsITimer> mDiscoveryTimer;
bool mDiscoverable = false;
bool mDiscoverableEncrypted = false;
bool mIsServerRetrying = false;
uint32_t mServerRetryMs;
nsCOMPtr<nsITimer> mServerRetryTimer;
nsCString mServiceName;
nsCString mRegisteredName;
};
} // namespace presentation
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_presentation_provider_MulticastDNSDeviceProvider_h
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