Ryujinx.Horizon/Sdk/Sf/Hipc/HipcManager.cs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115

using Ryujinx.Horizon.Common;
using Ryujinx.Horizon.Sdk.Sf.Cmif;
using System;

namespace Ryujinx.Horizon.Sdk.Sf.Hipc
{
    partial class HipcManager : IServiceObject
    {
        private readonly ServerDomainSessionManager _manager;
        private readonly ServerSession _session;

        public HipcManager(ServerDomainSessionManager manager, ServerSession session)
        {
            _manager = manager;
            _session = session;
        }

        [CmifCommand(0)]
        public Result ConvertCurrentObjectToDomain(out int objectId)
        {
            objectId = 0;

            var domain = _manager.Domain.AllocateDomainServiceObject();
            if (domain == null)
            {
                return HipcResult.OutOfDomains;
            }

            bool succeeded = false;

            try
            {
                Span<int> objectIds = stackalloc int[1];

                Result result = domain.ReserveIds(objectIds);

                if (result.IsFailure)
                {
                    return result;
                }

                objectId = objectIds[0];
                succeeded = true;
            }
            finally
            {
                if (!succeeded)
                {
                    ServerDomainManager.DestroyDomainServiceObject(domain);
                }
            }

            domain.RegisterObject(objectId, _session.ServiceObjectHolder);
            _session.ServiceObjectHolder = new ServiceObjectHolder(domain);

            return Result.Success;
        }

        [CmifCommand(1)]
        public Result CopyFromCurrentDomain([MoveHandle] out int clientHandle, int objectId)
        {
            clientHandle = 0;

            if (_session.ServiceObjectHolder.ServiceObject is not DomainServiceObject domain)
            {
                return HipcResult.TargetNotDomain;
            }

            var obj = domain.GetObject(objectId);
            if (obj == null)
            {
                return HipcResult.DomainObjectNotFound;
            }

            Api.CreateSession(out int serverHandle, out clientHandle).AbortOnFailure();
            _manager.RegisterSession(serverHandle, obj).AbortOnFailure();

            return Result.Success;
        }

        [CmifCommand(2)]
        public Result CloneCurrentObject([MoveHandle] out int clientHandle)
        {
            return CloneCurrentObjectImpl(out clientHandle, _manager);
        }

        [CmifCommand(3)]
        public void QueryPointerBufferSize(out ushort size)
        {
            size = (ushort)_session.PointerBuffer.Size;
        }

        [CmifCommand(4)]
        public Result CloneCurrentObjectEx([MoveHandle] out int clientHandle, uint tag)
        {
            return CloneCurrentObjectImpl(out clientHandle, _manager.GetSessionManagerByTag(tag));
        }

        private Result CloneCurrentObjectImpl(out int clientHandle, ServerSessionManager manager)
        {
            clientHandle = 0;

            var clone = _session.ServiceObjectHolder.Clone();
            if (clone == null)
            {
                return HipcResult.DomainObjectNotFound;
            }

            Api.CreateSession(out int serverHandle, out clientHandle).AbortOnFailure();
            manager.RegisterSession(serverHandle, clone).AbortOnFailure();

            return Result.Success;
        }
    }
}