Ryujinx/Ryujinx.HLE/HOS/Services/Sdb/Pdm/QueryService/QueryPlayStatisticsManager.cs

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C#
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using ARMeilleure.Memory;
using Ryujinx.Common;
using Ryujinx.HLE.HOS.Services.Account.Acc;
using Ryujinx.HLE.HOS.Services.Sdb.Pdm.QueryService.Types;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS.Services.Sdb.Pdm.QueryService
{
static class QueryPlayStatisticsManager
{
private static Dictionary<UserId, ApplicationPlayStatistics> applicationPlayStatistics = new Dictionary<UserId, ApplicationPlayStatistics>();
internal static ResultCode GetPlayStatistics(ServiceCtx context, bool byUserId = false)
{
long inputPosition = context.Request.SendBuff[0].Position;
long inputSize = context.Request.SendBuff[0].Size;
long outputPosition = context.Request.ReceiveBuff[0].Position;
long outputSize = context.Request.ReceiveBuff[0].Size;
UserId userId = byUserId ? context.RequestData.ReadStruct<UserId>() : new UserId();
if (byUserId)
{
if (!context.Device.System.State.Account.TryGetUser(userId, out _))
{
return ResultCode.UserNotFound;
}
}
PlayLogQueryCapability queryCapability = (PlayLogQueryCapability)context.Device.System.ControlData.Value.PlayLogQueryCapability;
List<ulong> titleIds = new List<ulong>();
for (int i = 0; i < inputSize / sizeof(ulong); i++)
{
titleIds.Add(BitConverter.ToUInt64(context.Memory.ReadBytes(inputPosition, inputSize), 0));
}
if (queryCapability == PlayLogQueryCapability.WhiteList)
{
// Check if input title ids are in the whitelist.
foreach (ulong titleId in titleIds)
{
if (!context.Device.System.ControlData.Value.PlayLogQueryableApplicationId.Contains(titleId))
{
return (ResultCode)Am.ResultCode.ObjectInvalid;
}
}
}
MemoryHelper.FillWithZeros(context.Memory, outputPosition, (int)outputSize);
// Return ResultCode.ServiceUnavailable if data is locked by another process.
var filteredApplicationPlayStatistics = applicationPlayStatistics.AsEnumerable();
if (queryCapability == PlayLogQueryCapability.None)
{
filteredApplicationPlayStatistics = filteredApplicationPlayStatistics.Where(kv => kv.Value.TitleId == context.Process.TitleId);
}
else // PlayLogQueryCapability.All
{
filteredApplicationPlayStatistics = filteredApplicationPlayStatistics.Where(kv => titleIds.Contains(kv.Value.TitleId));
}
if (byUserId)
{
filteredApplicationPlayStatistics = filteredApplicationPlayStatistics.Where(kv => kv.Key == userId);
}
for (int i = 0; i < filteredApplicationPlayStatistics.Count(); i++)
{
MemoryHelper.Write(context.Memory, outputPosition + (i * Marshal.SizeOf<ApplicationPlayStatistics>()), filteredApplicationPlayStatistics.ElementAt(i).Value);
}
context.ResponseData.Write(filteredApplicationPlayStatistics.Count());
return ResultCode.Success;
}
}
}