com.unity.services.samples.game-lobby/Packages/com.unity.transport/Runtime/Pipelines/NullPipelineStage.cs

using AOT;
using Unity.Burst;

namespace Unity.Networking.Transport
{
    [BurstCompile]
    public unsafe struct NullPipelineStage : INetworkPipelineStage
    {
        [BurstCompile(DisableDirectCall = true)]
        [MonoPInvokeCallback(typeof(NetworkPipelineStage.SendDelegate))]
        private static int Send(ref NetworkPipelineContext ctx, ref InboundSendBuffer inboundBuffer, ref NetworkPipelineStage.Requests requests)
        {
            return (int)Error.StatusCode.Success;
        }

        [BurstCompile(DisableDirectCall = true)]
        [MonoPInvokeCallback(typeof(NetworkPipelineStage.ReceiveDelegate))]
        private static void Receive(ref NetworkPipelineContext ctx, ref InboundRecvBuffer inboundBuffer, ref NetworkPipelineStage.Requests requests)
        {
        }

        [BurstCompile(DisableDirectCall = true)]
        [MonoPInvokeCallback(typeof(NetworkPipelineStage.InitializeConnectionDelegate))]
        private static void InitializeConnection(byte* staticInstanceBuffer, int staticInstanceBufferLength,
            byte* sendProcessBuffer, int sendProcessBufferLength, byte* recvProcessBuffer, int recvProcessBufferLength,
            byte* sharedProcessBuffer, int sharedProcessBufferLength)
        {
        }
        static TransportFunctionPointer<NetworkPipelineStage.ReceiveDelegate> ReceiveFunctionPointer = new TransportFunctionPointer<NetworkPipelineStage.ReceiveDelegate>(Receive);
        static TransportFunctionPointer<NetworkPipelineStage.SendDelegate> SendFunctionPointer = new TransportFunctionPointer<NetworkPipelineStage.SendDelegate>(Send);
        static TransportFunctionPointer<NetworkPipelineStage.InitializeConnectionDelegate> InitializeConnectionFunctionPointer = new TransportFunctionPointer<NetworkPipelineStage.InitializeConnectionDelegate>(InitializeConnection);
        public NetworkPipelineStage StaticInitialize(byte* staticInstanceBuffer, int staticInstanceBufferLength, INetworkParameter[] netParams)
        {
            return new NetworkPipelineStage(
                Receive: ReceiveFunctionPointer,
                Send: SendFunctionPointer,
                InitializeConnection: InitializeConnectionFunctionPointer,
                ReceiveCapacity: 0,
                SendCapacity: 0,
                HeaderCapacity: 0,
                SharedStateCapacity: 0
            );
        }

        public int StaticSize => 0;
    }
}