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Migrate friends service to new IPC (#6174)

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* Migrate friends service to new IPC

* Add a note that the pointer buffer size and domain counts are wrong

* Wrong length

* Format whitespace

* PR feedback

* Fill in structs from PR feedback

* Missed that one

* Somehow forgot to save that one

* Fill in enums from PR review

* Language enum, NotificationTime

* Format whitespace

* Fix the warning
This commit is contained in:
gdkchan 2024-01-29 18:45:40 -03:00 • committed by GitHub
parent 20a392ad55
commit 4117c13377
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GPG key ID: B5690EEEBB952194
148 changed files with 3026 additions and 832 deletions
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2
src/Ryujinx.HLE/HOS/Horizon.cs
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@ -330,7 +330,7 @@ namespace Ryujinx.HLE.HOS
HorizonFsClient fsClient = new(this);
ServiceTable = new ServiceTable();
var services = ServiceTable.GetServices(new HorizonOptions(Device.Configuration.IgnoreMissingServices, LibHacHorizonManager.BcatClient, fsClient));
var services = ServiceTable.GetServices(new HorizonOptions(Device.Configuration.IgnoreMissingServices, LibHacHorizonManager.BcatClient, fsClient, AccountManager));
foreach (var service in services)
{

13
src/Ryujinx.HLE/HOS/Services/Account/Acc/AccountManager.cs
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@ -4,6 +4,7 @@ using LibHac.Fs;
using LibHac.Fs.Shim;
using Ryujinx.Common;
using Ryujinx.Common.Logging;
using Ryujinx.Horizon.Sdk.Account;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
@ -11,7 +12,7 @@ using System.Linq;
namespace Ryujinx.HLE.HOS.Services.Account.Acc
{
public class AccountManager
public class AccountManager : IEmulatorAccountManager
{
public static readonly UserId DefaultUserId = new("00000000000000010000000000000000");
@ -106,6 +107,11 @@ namespace Ryujinx.HLE.HOS.Services.Account.Acc
_accountSaveDataManager.Save(_profiles);
}
public void OpenUserOnlinePlay(Uid userId)
{
OpenUserOnlinePlay(new UserId((long)userId.Low, (long)userId.High));
}
public void OpenUserOnlinePlay(UserId userId)
{
if (_profiles.TryGetValue(userId.ToString(), out UserProfile profile))
@ -127,6 +133,11 @@ namespace Ryujinx.HLE.HOS.Services.Account.Acc
_accountSaveDataManager.Save(_profiles);
}
public void CloseUserOnlinePlay(Uid userId)
{
CloseUserOnlinePlay(new UserId((long)userId.Low, (long)userId.High));
}
public void CloseUserOnlinePlay(UserId userId)
{
if (_profiles.TryGetValue(userId.ToString(), out UserProfile profile))

55
src/Ryujinx.HLE/HOS/Services/Friend/IServiceCreator.cs
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@ -1,55 +0,0 @@
using Ryujinx.Common;
using Ryujinx.HLE.HOS.Services.Account.Acc;
using Ryujinx.HLE.HOS.Services.Friend.ServiceCreator;
namespace Ryujinx.HLE.HOS.Services.Friend
{
[Service("friend:a", FriendServicePermissionLevel.Administrator)]
[Service("friend:m", FriendServicePermissionLevel.Manager)]
[Service("friend:s", FriendServicePermissionLevel.System)]
[Service("friend:u", FriendServicePermissionLevel.User)]
[Service("friend:v", FriendServicePermissionLevel.Viewer)]
class IServiceCreator : IpcService
{
private readonly FriendServicePermissionLevel _permissionLevel;
public IServiceCreator(ServiceCtx context, FriendServicePermissionLevel permissionLevel)
{
_permissionLevel = permissionLevel;
}
[CommandCmif(0)]
// CreateFriendService() -> object<nn::friends::detail::ipc::IFriendService>
public ResultCode CreateFriendService(ServiceCtx context)
{
MakeObject(context, new IFriendService(_permissionLevel));
return ResultCode.Success;
}
[CommandCmif(1)] // 2.0.0+
// CreateNotificationService(nn::account::Uid userId) -> object<nn::friends::detail::ipc::INotificationService>
public ResultCode CreateNotificationService(ServiceCtx context)
{
UserId userId = context.RequestData.ReadStruct<UserId>();
if (userId.IsNull)
{
return ResultCode.InvalidArgument;
}
MakeObject(context, new INotificationService(context, userId, _permissionLevel));
return ResultCode.Success;
}
[CommandCmif(2)] // 4.0.0+
// CreateDaemonSuspendSessionService() -> object<nn::friends::detail::ipc::IDaemonSuspendSessionService>
public ResultCode CreateDaemonSuspendSessionService(ServiceCtx context)
{
MakeObject(context, new IDaemonSuspendSessionService(_permissionLevel));
return ResultCode.Success;
}
}
}

14
src/Ryujinx.HLE/HOS/Services/Friend/ResultCode.cs
View file

@ -1,14 +0,0 @@
namespace Ryujinx.HLE.HOS.Services.Friend
{
enum ResultCode
{
ModuleId = 121,
ErrorCodeShift = 9,
Success = 0,
InvalidArgument = (2 << ErrorCodeShift) | ModuleId,
InternetRequestDenied = (6 << ErrorCodeShift) | ModuleId,
NotificationQueueEmpty = (15 << ErrorCodeShift) | ModuleId,
}
}

29
src/Ryujinx.HLE/HOS/Services/Friend/ServiceCreator/FriendService/Types/Friend.cs
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@ -1,29 +0,0 @@
using Ryujinx.HLE.HOS.Services.Account.Acc;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator.FriendService
{
[StructLayout(LayoutKind.Sequential, Pack = 0x8, Size = 0x200, CharSet = CharSet.Ansi)]
struct Friend
{
public UserId UserId;
public long NetworkUserId;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 0x21)]
public string Nickname;
public UserPresence presence;
[MarshalAs(UnmanagedType.I1)]
public bool IsFavourite;
[MarshalAs(UnmanagedType.I1)]
public bool IsNew;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 0x6)]
readonly char[] Unknown;
[MarshalAs(UnmanagedType.I1)]
public bool IsValid;
}
}

24
src/Ryujinx.HLE/HOS/Services/Friend/ServiceCreator/FriendService/Types/FriendFilter.cs
View file

@ -1,24 +0,0 @@
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator.FriendService
{
[StructLayout(LayoutKind.Sequential)]
struct FriendFilter
{
public PresenceStatusFilter PresenceStatus;
[MarshalAs(UnmanagedType.I1)]
public bool IsFavoriteOnly;
[MarshalAs(UnmanagedType.I1)]
public bool IsSameAppPresenceOnly;
[MarshalAs(UnmanagedType.I1)]
public bool IsSameAppPlayedOnly;
[MarshalAs(UnmanagedType.I1)]
public bool IsArbitraryAppPlayedOnly;
public long PresenceGroupId;
}
}

9
src/Ryujinx.HLE/HOS/Services/Friend/ServiceCreator/FriendService/Types/PresenceStatus.cs
View file

@ -1,9 +0,0 @@
namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator.FriendService
{
enum PresenceStatus : uint
{
Offline,
Online,
OnlinePlay,
}
}

10
src/Ryujinx.HLE/HOS/Services/Friend/ServiceCreator/FriendService/Types/PresenceStatusFilter.cs
View file

@ -1,10 +0,0 @@
namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator.FriendService
{
enum PresenceStatusFilter : uint
{
None,
Online,
OnlinePlay,
OnlineOrOnlinePlay,
}
}

34
src/Ryujinx.HLE/HOS/Services/Friend/ServiceCreator/FriendService/Types/UserPresence.cs
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@ -1,34 +0,0 @@
using Ryujinx.Common.Memory;
using Ryujinx.HLE.HOS.Services.Account.Acc;
using System;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator.FriendService
{
[StructLayout(LayoutKind.Sequential, Pack = 0x8)]
struct UserPresence
{
public UserId UserId;
public long LastTimeOnlineTimestamp;
public PresenceStatus Status;
[MarshalAs(UnmanagedType.I1)]
public bool SamePresenceGroupApplication;
public Array3<byte> Unknown;
private AppKeyValueStorageHolder _appKeyValueStorage;
public Span<byte> AppKeyValueStorage => MemoryMarshal.Cast<AppKeyValueStorageHolder, byte>(MemoryMarshal.CreateSpan(ref _appKeyValueStorage, AppKeyValueStorageHolder.Size));
[StructLayout(LayoutKind.Sequential, Pack = 0x1, Size = Size)]
private struct AppKeyValueStorageHolder
{
public const int Size = 0xC0;
}
public readonly override string ToString()
{
return $"UserPresence {{ UserId: {UserId}, LastTimeOnlineTimestamp: {LastTimeOnlineTimestamp}, Status: {Status} }}";
}
}
}

14
src/Ryujinx.HLE/HOS/Services/Friend/ServiceCreator/IDaemonSuspendSessionService.cs
View file

@ -1,14 +0,0 @@
namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator
{
class IDaemonSuspendSessionService : IpcService
{
#pragma warning disable IDE0052 // Remove unread private member
private readonly FriendServicePermissionLevel _permissionLevel;
#pragma warning restore IDE0052
public IDaemonSuspendSessionService(FriendServicePermissionLevel permissionLevel)
{
_permissionLevel = permissionLevel;
}
}
}

374
src/Ryujinx.HLE/HOS/Services/Friend/ServiceCreator/IFriendService.cs
View file

@ -1,374 +0,0 @@
using LibHac.Ns;
using Ryujinx.Common;
using Ryujinx.Common.Logging;
using Ryujinx.Common.Memory;
using Ryujinx.Common.Utilities;
using Ryujinx.HLE.HOS.Ipc;
using Ryujinx.HLE.HOS.Kernel.Threading;
using Ryujinx.HLE.HOS.Services.Account.Acc;
using Ryujinx.HLE.HOS.Services.Friend.ServiceCreator.FriendService;
using Ryujinx.Horizon.Common;
using System;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator
{
class IFriendService : IpcService
{
#pragma warning disable IDE0052 // Remove unread private member
private readonly FriendServicePermissionLevel _permissionLevel;
#pragma warning restore IDE0052
private KEvent _completionEvent;
public IFriendService(FriendServicePermissionLevel permissionLevel)
{
_permissionLevel = permissionLevel;
}
[CommandCmif(0)]
// GetCompletionEvent() -> handle<copy>
public ResultCode GetCompletionEvent(ServiceCtx context)
{
_completionEvent ??= new KEvent(context.Device.System.KernelContext);
if (context.Process.HandleTable.GenerateHandle(_completionEvent.ReadableEvent, out int completionEventHandle) != Result.Success)
{
throw new InvalidOperationException("Out of handles!");
}
_completionEvent.WritableEvent.Signal();
context.Response.HandleDesc = IpcHandleDesc.MakeCopy(completionEventHandle);
return ResultCode.Success;
}
[CommandCmif(1)]
// nn::friends::Cancel()
public ResultCode Cancel(ServiceCtx context)
{
// TODO: Original service sets an internal field to 1 here. Determine usage.
Logger.Stub?.PrintStub(LogClass.ServiceFriend);
return ResultCode.Success;
}
[CommandCmif(10100)]
// nn::friends::GetFriendListIds(int offset, nn::account::Uid userId, nn::friends::detail::ipc::SizedFriendFilter friendFilter, ulong pidPlaceHolder, pid)
// -> int outCount, array<nn::account::NetworkServiceAccountId, 0xa>
public ResultCode GetFriendListIds(ServiceCtx context)
{
int offset = context.RequestData.ReadInt32();
// Padding
context.RequestData.ReadInt32();
UserId userId = context.RequestData.ReadStruct<UserId>();
FriendFilter filter = context.RequestData.ReadStruct<FriendFilter>();
// Pid placeholder
context.RequestData.ReadInt64();
if (userId.IsNull)
{
return ResultCode.InvalidArgument;
}
// There are no friends online, so we return 0 because the nn::account::NetworkServiceAccountId array is empty.
context.ResponseData.Write(0);
Logger.Stub?.PrintStub(LogClass.ServiceFriend, new
{
UserId = userId.ToString(),
offset,
filter.PresenceStatus,
filter.IsFavoriteOnly,
filter.IsSameAppPresenceOnly,
filter.IsSameAppPlayedOnly,
filter.IsArbitraryAppPlayedOnly,
filter.PresenceGroupId,
});
return ResultCode.Success;
}
[CommandCmif(10101)]
// nn::friends::GetFriendList(int offset, nn::account::Uid userId, nn::friends::detail::ipc::SizedFriendFilter friendFilter, ulong pidPlaceHolder, pid)
// -> int outCount, array<nn::friends::detail::FriendImpl, 0x6>
public ResultCode GetFriendList(ServiceCtx context)
{
int offset = context.RequestData.ReadInt32();
// Padding
context.RequestData.ReadInt32();
UserId userId = context.RequestData.ReadStruct<UserId>();
FriendFilter filter = context.RequestData.ReadStruct<FriendFilter>();
// Pid placeholder
context.RequestData.ReadInt64();
if (userId.IsNull)
{
return ResultCode.InvalidArgument;
}
// There are no friends online, so we return 0 because the nn::account::NetworkServiceAccountId array is empty.
context.ResponseData.Write(0);
Logger.Stub?.PrintStub(LogClass.ServiceFriend, new
{
UserId = userId.ToString(),
offset,
filter.PresenceStatus,
filter.IsFavoriteOnly,
filter.IsSameAppPresenceOnly,
filter.IsSameAppPlayedOnly,
filter.IsArbitraryAppPlayedOnly,
filter.PresenceGroupId,
});
return ResultCode.Success;
}
[CommandCmif(10120)] // 10.0.0+
// nn::friends::IsFriendListCacheAvailable(nn::account::Uid userId) -> bool
public ResultCode IsFriendListCacheAvailable(ServiceCtx context)
{
UserId userId = context.RequestData.ReadStruct<UserId>();
if (userId.IsNull)
{
return ResultCode.InvalidArgument;
}
// TODO: Service mount the friends:/ system savedata and try to load friend.cache file, returns true if exists, false otherwise.
// NOTE: If no cache is available, guest then calls nn::friends::EnsureFriendListAvailable, we can avoid that by faking the cache check.
context.ResponseData.Write(true);
// TODO: Since we don't support friend features, it's fine to stub it for now.
Logger.Stub?.PrintStub(LogClass.ServiceFriend, new { UserId = userId.ToString() });
return ResultCode.Success;
}
[CommandCmif(10121)] // 10.0.0+
// nn::friends::EnsureFriendListAvailable(nn::account::Uid userId)
public ResultCode EnsureFriendListAvailable(ServiceCtx context)
{
UserId userId = context.RequestData.ReadStruct<UserId>();
if (userId.IsNull)
{
return ResultCode.InvalidArgument;
}
// TODO: Service mount the friends:/ system savedata and create a friend.cache file for the given user id.
// Since we don't support friend features, it's fine to stub it for now.
Logger.Stub?.PrintStub(LogClass.ServiceFriend, new { UserId = userId.ToString() });
return ResultCode.Success;
}
[CommandCmif(10400)]
// nn::friends::GetBlockedUserListIds(int offset, nn::account::Uid userId) -> (u32, buffer<nn::account::NetworkServiceAccountId, 0xa>)
public ResultCode GetBlockedUserListIds(ServiceCtx context)
{
int offset = context.RequestData.ReadInt32();
// Padding
context.RequestData.ReadInt32();
UserId userId = context.RequestData.ReadStruct<UserId>();
// There are no friends blocked, so we return 0 because the nn::account::NetworkServiceAccountId array is empty.
context.ResponseData.Write(0);
Logger.Stub?.PrintStub(LogClass.ServiceFriend, new { offset, UserId = userId.ToString() });
return ResultCode.Success;
}
[CommandCmif(10420)]
// nn::friends::CheckBlockedUserListAvailability(nn::account::Uid userId) -> bool
public ResultCode CheckBlockedUserListAvailability(ServiceCtx context)
{
UserId userId = context.RequestData.ReadStruct<UserId>();
// Yes, it is available.
context.ResponseData.Write(true);
Logger.Stub?.PrintStub(LogClass.ServiceFriend, new { UserId = userId.ToString() });
return ResultCode.Success;
}
[CommandCmif(10600)]
// nn::friends::DeclareOpenOnlinePlaySession(nn::account::Uid userId)
public ResultCode DeclareOpenOnlinePlaySession(ServiceCtx context)
{
UserId userId = context.RequestData.ReadStruct<UserId>();
if (userId.IsNull)
{
return ResultCode.InvalidArgument;
}
context.Device.System.AccountManager.OpenUserOnlinePlay(userId);
Logger.Stub?.PrintStub(LogClass.ServiceFriend, new { UserId = userId.ToString() });
return ResultCode.Success;
}
[CommandCmif(10601)]
// nn::friends::DeclareCloseOnlinePlaySession(nn::account::Uid userId)
public ResultCode DeclareCloseOnlinePlaySession(ServiceCtx context)
{
UserId userId = context.RequestData.ReadStruct<UserId>();
if (userId.IsNull)
{
return ResultCode.InvalidArgument;
}
context.Device.System.AccountManager.CloseUserOnlinePlay(userId);
Logger.Stub?.PrintStub(LogClass.ServiceFriend, new { UserId = userId.ToString() });
return ResultCode.Success;
}
[CommandCmif(10610)]
// nn::friends::UpdateUserPresence(nn::account::Uid, u64, pid, buffer<nn::friends::detail::UserPresenceImpl, 0x19>)
public ResultCode UpdateUserPresence(ServiceCtx context)
{
UserId uuid = context.RequestData.ReadStruct<UserId>();
// Pid placeholder
context.RequestData.ReadInt64();
ulong position = context.Request.PtrBuff[0].Position;
ulong size = context.Request.PtrBuff[0].Size;
ReadOnlySpan<UserPresence> userPresenceInputArray = MemoryMarshal.Cast<byte, UserPresence>(context.Memory.GetSpan(position, (int)size));
if (uuid.IsNull)
{
return ResultCode.InvalidArgument;
}
Logger.Stub?.PrintStub(LogClass.ServiceFriend, new { UserId = uuid.ToString(), userPresenceInputArray = userPresenceInputArray.ToArray() });
return ResultCode.Success;
}
[CommandCmif(10700)]
// nn::friends::GetPlayHistoryRegistrationKey(b8 unknown, nn::account::Uid) -> buffer<nn::friends::PlayHistoryRegistrationKey, 0x1a>
public ResultCode GetPlayHistoryRegistrationKey(ServiceCtx context)
{
bool unknownBool = context.RequestData.ReadBoolean();
UserId userId = context.RequestData.ReadStruct<UserId>();
context.Response.PtrBuff[0] = context.Response.PtrBuff[0].WithSize(0x40UL);
ulong bufferPosition = context.Request.RecvListBuff[0].Position;
if (userId.IsNull)
{
return ResultCode.InvalidArgument;
}
// NOTE: Calls nn::friends::detail::service::core::PlayHistoryManager::GetInstance and stores the instance.
byte[] randomBytes = new byte[8];
Random.Shared.NextBytes(randomBytes);
// NOTE: Calls nn::friends::detail::service::core::UuidManager::GetInstance and stores the instance.
// Then call nn::friends::detail::service::core::AccountStorageManager::GetInstance and store the instance.
// Then it checks if an Uuid is already stored for the UserId, if not it generates a random Uuid.
// And store it in the savedata 8000000000000080 in the friends:/uid.bin file.
Array16<byte> randomGuid = new();
Guid.NewGuid().ToByteArray().AsSpan().CopyTo(randomGuid.AsSpan());
PlayHistoryRegistrationKey playHistoryRegistrationKey = new()
{
Type = 0x101,
KeyIndex = (byte)(randomBytes[0] & 7),
UserIdBool = 0, // TODO: Find it.
UnknownBool = (byte)(unknownBool ? 1 : 0), // TODO: Find it.
Reserved = new Array11<byte>(),
Uuid = randomGuid,
};
ReadOnlySpan<byte> playHistoryRegistrationKeyBuffer = SpanHelpers.AsByteSpan(ref playHistoryRegistrationKey);
/*
NOTE: The service uses the KeyIndex to get a random key from a keys buffer (since the key index is stored in the returned buffer).
We currently don't support play history and online services so we can use a blank key for now.
Code for reference:
byte[] hmacKey = new byte[0x20];
HMACSHA256 hmacSha256 = new HMACSHA256(hmacKey);
byte[] hmacHash = hmacSha256.ComputeHash(playHistoryRegistrationKeyBuffer);
*/
context.Memory.Write(bufferPosition, playHistoryRegistrationKeyBuffer);
context.Memory.Write(bufferPosition + 0x20, new byte[0x20]); // HmacHash
return ResultCode.Success;
}
[CommandCmif(10702)]
// nn::friends::AddPlayHistory(nn::account::Uid, u64, pid, buffer<nn::friends::PlayHistoryRegistrationKey, 0x19>, buffer<nn::friends::InAppScreenName, 0x19>, buffer<nn::friends::InAppScreenName, 0x19>)
public ResultCode AddPlayHistory(ServiceCtx context)
{
UserId userId = context.RequestData.ReadStruct<UserId>();
// Pid placeholder
context.RequestData.ReadInt64();
#pragma warning disable IDE0059 // Remove unnecessary value assignment
ulong pid = context.Request.HandleDesc.PId;
ulong playHistoryRegistrationKeyPosition = context.Request.PtrBuff[0].Position;
ulong playHistoryRegistrationKeySize = context.Request.PtrBuff[0].Size;
ulong inAppScreenName1Position = context.Request.PtrBuff[1].Position;
#pragma warning restore IDE0059
ulong inAppScreenName1Size = context.Request.PtrBuff[1].Size;
#pragma warning disable IDE0059 // Remove unnecessary value assignment
ulong inAppScreenName2Position = context.Request.PtrBuff[2].Position;
#pragma warning restore IDE0059
ulong inAppScreenName2Size = context.Request.PtrBuff[2].Size;
if (userId.IsNull || inAppScreenName1Size > 0x48 || inAppScreenName2Size > 0x48)
{
return ResultCode.InvalidArgument;
}
// TODO: Call nn::arp::GetApplicationControlProperty here when implemented.
#pragma warning disable IDE0059 // Remove unnecessary value assignment
ApplicationControlProperty controlProperty = context.Device.Processes.ActiveApplication.ApplicationControlProperties;
#pragma warning restore IDE0059
/*
NOTE: The service calls nn::friends::detail::service::core::PlayHistoryManager to store informations using the registration key computed in GetPlayHistoryRegistrationKey.
Then calls nn::friends::detail::service::core::FriendListManager to update informations on the friend list.
We currently don't support play history and online services so it's fine to do nothing.
*/
Logger.Stub?.PrintStub(LogClass.ServiceFriend);
return ResultCode.Success;
}
}
}

178
src/Ryujinx.HLE/HOS/Services/Friend/ServiceCreator/INotificationService.cs
View file

@ -1,178 +0,0 @@
using Ryujinx.Common;
using Ryujinx.HLE.HOS.Ipc;
using Ryujinx.HLE.HOS.Kernel.Threading;
using Ryujinx.HLE.HOS.Services.Account.Acc;
using Ryujinx.HLE.HOS.Services.Friend.ServiceCreator.NotificationService;
using Ryujinx.Horizon.Common;
using System;
using System.Collections.Generic;
namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator
{
class INotificationService : DisposableIpcService
{
private readonly UserId _userId;
private readonly FriendServicePermissionLevel _permissionLevel;
private readonly object _lock = new();
private readonly KEvent _notificationEvent;
private int _notificationEventHandle = 0;
private readonly LinkedList<NotificationInfo> _notifications;
private bool _hasNewFriendRequest;
private bool _hasFriendListUpdate;
public INotificationService(ServiceCtx context, UserId userId, FriendServicePermissionLevel permissionLevel)
{
_userId = userId;
_permissionLevel = permissionLevel;
_notifications = new LinkedList<NotificationInfo>();
_notificationEvent = new KEvent(context.Device.System.KernelContext);
_hasNewFriendRequest = false;
_hasFriendListUpdate = false;
NotificationEventHandler.Instance.RegisterNotificationService(this);
}
[CommandCmif(0)] //2.0.0+
// nn::friends::detail::ipc::INotificationService::GetEvent() -> handle<copy>
public ResultCode GetEvent(ServiceCtx context)
{
if (_notificationEventHandle == 0)
{
if (context.Process.HandleTable.GenerateHandle(_notificationEvent.ReadableEvent, out _notificationEventHandle) != Result.Success)
{
throw new InvalidOperationException("Out of handles!");
}
}
context.Response.HandleDesc = IpcHandleDesc.MakeCopy(_notificationEventHandle);
return ResultCode.Success;
}
[CommandCmif(1)] //2.0.0+
// nn::friends::detail::ipc::INotificationService::Clear()
public ResultCode Clear(ServiceCtx context)
{
lock (_lock)
{
_hasNewFriendRequest = false;
_hasFriendListUpdate = false;
_notifications.Clear();
}
return ResultCode.Success;
}
[CommandCmif(2)] // 2.0.0+
// nn::friends::detail::ipc::INotificationService::Pop() -> nn::friends::detail::ipc::SizedNotificationInfo
public ResultCode Pop(ServiceCtx context)
{
lock (_lock)
{
if (_notifications.Count >= 1)
{
NotificationInfo notificationInfo = _notifications.First.Value;
_notifications.RemoveFirst();
if (notificationInfo.Type == NotificationEventType.FriendListUpdate)
{
_hasFriendListUpdate = false;
}
else if (notificationInfo.Type == NotificationEventType.NewFriendRequest)
{
_hasNewFriendRequest = false;
}
context.ResponseData.WriteStruct(notificationInfo);
return ResultCode.Success;
}
}
return ResultCode.NotificationQueueEmpty;
}
public void SignalFriendListUpdate(UserId targetId)
{
lock (_lock)
{
if (_userId == targetId)
{
if (!_hasFriendListUpdate)
{
NotificationInfo friendListNotification = new();
if (_notifications.Count != 0)
{
friendListNotification = _notifications.First.Value;
_notifications.RemoveFirst();
}
friendListNotification.Type = NotificationEventType.FriendListUpdate;
_hasFriendListUpdate = true;
if (_hasNewFriendRequest)
{
NotificationInfo newFriendRequestNotification = new();
if (_notifications.Count != 0)
{
newFriendRequestNotification = _notifications.First.Value;
_notifications.RemoveFirst();
}
newFriendRequestNotification.Type = NotificationEventType.NewFriendRequest;
_notifications.AddFirst(newFriendRequestNotification);
}
// We defer this to make sure we are on top of the queue.
_notifications.AddFirst(friendListNotification);
}
_notificationEvent.ReadableEvent.Signal();
}
}
}
public void SignalNewFriendRequest(UserId targetId)
{
lock (_lock)
{
if ((_permissionLevel & FriendServicePermissionLevel.ViewerMask) != 0 && _userId == targetId)
{
if (!_hasNewFriendRequest)
{
if (_notifications.Count == 100)
{
SignalFriendListUpdate(targetId);
}
NotificationInfo newFriendRequestNotification = new()
{
Type = NotificationEventType.NewFriendRequest,
};
_notifications.AddLast(newFriendRequestNotification);
_hasNewFriendRequest = true;
}
_notificationEvent.ReadableEvent.Signal();
}
}
}
protected override void Dispose(bool isDisposing)
{
if (isDisposing)
{
NotificationEventHandler.Instance.UnregisterNotificationService(this);
}
}
}
}

74
src/Ryujinx.HLE/HOS/Services/Friend/ServiceCreator/NotificationService/NotificationEventHandler.cs
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@ -1,74 +0,0 @@
using Ryujinx.HLE.HOS.Services.Account.Acc;
namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator.NotificationService
{
public sealed class NotificationEventHandler
{
private static NotificationEventHandler _instance;
private static readonly object _instanceLock = new();
private readonly INotificationService[] _registry;
public static NotificationEventHandler Instance
{
get
{
lock (_instanceLock)
{
_instance ??= new NotificationEventHandler();
return _instance;
}
}
}
NotificationEventHandler()
{
_registry = new INotificationService[0x20];
}
internal void RegisterNotificationService(INotificationService service)
{
// NOTE: in case there isn't space anymore in the registry array, Nintendo doesn't return any errors.
for (int i = 0; i < _registry.Length; i++)
{
if (_registry[i] == null)
{
_registry[i] = service;
break;
}
}
}
internal void UnregisterNotificationService(INotificationService service)
{
// NOTE: in case there isn't the entry in the registry array, Nintendo doesn't return any errors.
for (int i = 0; i < _registry.Length; i++)
{
if (_registry[i] == service)
{
_registry[i] = null;
break;
}
}
}
// TODO: Use this when we will have enough things to go online.
public void SignalFriendListUpdate(UserId targetId)
{
for (int i = 0; i < _registry.Length; i++)
{
_registry[i]?.SignalFriendListUpdate(targetId);
}
}
// TODO: Use this when we will have enough things to go online.
public void SignalNewFriendRequest(UserId targetId)
{
for (int i = 0; i < _registry.Length; i++)
{
_registry[i]?.SignalNewFriendRequest(targetId);
}
}
}
}

9
src/Ryujinx.HLE/HOS/Services/Friend/ServiceCreator/NotificationService/Types/NotificationEventType.cs
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@ -1,9 +0,0 @@
namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator.NotificationService
{
enum NotificationEventType : uint
{
Invalid = 0x0,
FriendListUpdate = 0x1,
NewFriendRequest = 0x65,
}
}

13
src/Ryujinx.HLE/HOS/Services/Friend/ServiceCreator/NotificationService/Types/NotificationInfo.cs
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@ -1,13 +0,0 @@
using Ryujinx.Common.Memory;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator.NotificationService
{
[StructLayout(LayoutKind.Sequential, Size = 0x10)]
struct NotificationInfo
{
public NotificationEventType Type;
private Array4<byte> _padding;
public long NetworkUserIdPlaceholder;
}
}

19
src/Ryujinx.HLE/HOS/Services/Friend/ServiceCreator/Types/FriendServicePermissionLevel.cs
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@ -1,19 +0,0 @@
using System;
namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator
{
[Flags]
enum FriendServicePermissionLevel
{
UserMask = 1,
ViewerMask = 2,
ManagerMask = 4,
SystemMask = 8,
Administrator = -1,
User = UserMask,
Viewer = UserMask | ViewerMask,
Manager = UserMask | ViewerMask | ManagerMask,
System = UserMask | SystemMask,
}
}

16
src/Ryujinx.HLE/HOS/Services/Friend/ServiceCreator/Types/PlayHistoryRegistrationKey.cs
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@ -1,16 +0,0 @@
using Ryujinx.Common.Memory;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator
{
[StructLayout(LayoutKind.Sequential, Size = 0x20)]
struct PlayHistoryRegistrationKey
{
public ushort Type;
public byte KeyIndex;
public byte UserIdBool;
public byte UnknownBool;
public Array11<byte> Reserved;
public Array16<byte> Uuid;
}
}