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85 lines
No EOL
2.5 KiB
C#
85 lines
No EOL
2.5 KiB
C#
using Ryujinx.Horizon.Common;
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using System;
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namespace Ryujinx.Horizon.Sdk.Sf.Hipc
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{
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static class Api
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{
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public const int TlsMessageBufferSize = 0x100;
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public static Result Receive(out ReceiveResult recvResult, int sessionHandle, Span<byte> messageBuffer)
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{
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Result result = ReceiveImpl(sessionHandle, messageBuffer);
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if (result == KernelResult.PortRemoteClosed)
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{
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recvResult = ReceiveResult.Closed;
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return Result.Success;
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}
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else if (result == KernelResult.ReceiveListBroken)
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{
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recvResult = ReceiveResult.NeedsRetry;
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return Result.Success;
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}
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recvResult = ReceiveResult.Success;
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return result;
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}
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private static Result ReceiveImpl(int sessionHandle, Span<byte> messageBuffer)
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{
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Span<int> handles = stackalloc int[1];
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handles[0] = sessionHandle;
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var tlsSpan = HorizonStatic.AddressSpace.GetSpan(HorizonStatic.ThreadContext.TlsAddress, TlsMessageBufferSize);
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if (messageBuffer == tlsSpan)
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{
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return HorizonStatic.Syscall.ReplyAndReceive(out _, handles, 0, -1L);
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}
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else
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{
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throw new NotImplementedException();
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}
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}
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public static Result Reply(int sessionHandle, ReadOnlySpan<byte> messageBuffer)
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{
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Result result = ReplyImpl(sessionHandle, messageBuffer);
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result.AbortUnless(KernelResult.TimedOut, KernelResult.PortRemoteClosed);
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return Result.Success;
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}
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private static Result ReplyImpl(int sessionHandle, ReadOnlySpan<byte> messageBuffer)
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{
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var tlsSpan = HorizonStatic.AddressSpace.GetSpan(HorizonStatic.ThreadContext.TlsAddress, TlsMessageBufferSize);
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if (messageBuffer == tlsSpan)
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{
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return HorizonStatic.Syscall.ReplyAndReceive(out _, ReadOnlySpan<int>.Empty, sessionHandle, 0);
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}
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else
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{
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throw new NotImplementedException();
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}
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}
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public static Result CreateSession(out int serverHandle, out int clientHandle)
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{
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Result result = HorizonStatic.Syscall.CreateSession(out serverHandle, out clientHandle, false, null);
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if (result == KernelResult.OutOfResource)
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{
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return HipcResult.OutOfSessions;
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}
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return result;
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}
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}
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} |