MsQuicParameterHelpers.cs

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using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
 
namespace System.Net.Quic.Implementations.MsQuic.Internal;
 
internal static class MsQuicParameterHelpers
{
    internal unsafe static MsQuicNativeMethods.SOCKADDR_INET GetINetParam(MsQuicApi api, SafeHandle nativeObject, QUIC_PARAM_LEVEL level, uint param)
    {
        uint bufferLength = (uint)sizeof(MsQuicNativeMethods.SOCKADDR_INET);
        Unsafe.SkipInit(out MsQuicNativeMethods.SOCKADDR_INET result);
        uint status = api.GetParamDelegate(nativeObject, level, param, ref bufferLength, (byte*)(&result));
        QuicExceptionHelpers.ThrowIfFailed(status, "GetINETParam failed.");
        return result;
    }
 
    internal unsafe static ushort GetUShortParam(MsQuicApi api, SafeHandle nativeObject, QUIC_PARAM_LEVEL level, uint param)
    {
        uint bufferLength = 2u;
        Unsafe.SkipInit(out ushort result);
        uint status = api.GetParamDelegate(nativeObject, level, param, ref bufferLength, (byte*)(&result));
        QuicExceptionHelpers.ThrowIfFailed(status, "GetUShortParam failed.");
        return result;
    }
 
    internal unsafe static ulong GetULongParam(MsQuicApi api, SafeHandle nativeObject, QUIC_PARAM_LEVEL level, uint param)
    {
        uint bufferLength = 8u;
        Unsafe.SkipInit(out ulong result);
        uint status = api.GetParamDelegate(nativeObject, level, param, ref bufferLength, (byte*)(&result));
        QuicExceptionHelpers.ThrowIfFailed(status, "GetULongParam failed.");
        return result;
    }
}