Initial Client/Server Communication

#1
Followed the MagicOnion quickstart guide, borrowing code from the chat sample app to get something working

Assets/Scripts/MagicOnion/Server/Hubs.meta

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Assets/Scripts/MagicOnion/Server/Hubs/BroadcasterHelper.cs

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+using MagicOnion.Utils;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Threading.Tasks;
+
+namespace MagicOnion.Server.Hubs
+{
+    public static class BroadcasterHelper
+    {
+        internal static readonly Type[] dynamicArgumentTupleTypes = typeof(DynamicArgumentTuple<,>).GetTypeInfo().Assembly
+            .GetTypes()
+            .Where(x => x.Name.StartsWith("DynamicArgumentTuple") && !x.Name.Contains("Formatter"))
+            .OrderBy(x => x.GetGenericArguments().Length)
+            .ToArray();
+
+        internal static MethodDefinition[] SearchDefinitions(Type interfaceType)
+        {
+            return interfaceType
+                .GetInterfaces()
+                .Concat(new[] { interfaceType })
+                .SelectMany(x => x.GetMethods())
+                .Where(x =>
+                {
+                    var methodInfo = x;
+                    if (methodInfo.IsSpecialName && (methodInfo.Name.StartsWith("set_") || methodInfo.Name.StartsWith("get_"))) return false;
+                    if (methodInfo.GetCustomAttribute<IgnoreAttribute>(false) != null) return false; // ignore
+
+                    var methodName = methodInfo.Name;
+                    if (methodName == "Equals"
+                     || methodName == "GetHashCode"
+                     || methodName == "GetType"
+                     || methodName == "ToString"
+                     )
+                    {
+                        return false;
+                    }
+
+                    return true;
+                })
+                .Where(x => !x.IsSpecialName)
+                .Select(x => new MethodDefinition
+                {
+                    ReceiverType = interfaceType,
+                    MethodInfo = x,
+                })
+                .ToArray();
+        }
+
+        internal static void VerifyMethodDefinitions(MethodDefinition[] definitions)
+        {
+            // define and set.
+            var map = new Dictionary<int, MethodDefinition>(definitions.Length);
+            foreach (var item in definitions)
+            {
+                var methodId = item.MethodInfo.GetCustomAttribute<MethodIdAttribute>()?.MethodId ?? FNV1A32.GetHashCode(item.MethodInfo.Name);
+                if (map.ContainsKey(methodId))
+                {
+                    throw new Exception($"TReceiver does not allows duplicate methodId(hash code). Please change name or use MethodIdAttribute. {map[methodId].MethodInfo.Name} and {item.MethodInfo.Name}");
+                }
+                map.Add(methodId, item);
+
+                if (!(item.MethodInfo.ReturnType == typeof(void)))
+                {
+                    throw new Exception($"Invalid definition, TReceiver's return type must only be `void`. {item.MethodInfo.Name}.");
+                }
+
+                item.MethodId = methodId;
+            }
+        }
+
+        public static async void FireAndForget(Task task)
+        {
+            try
+            {
+                await task.ConfigureAwait(false);
+            }
+            catch(Exception ex)
+            {
+                Grpc.Core.GrpcEnvironment.Logger?.Error(ex, "exception occured in client broadcast.");
+            }
+        }
+
+        internal class MethodDefinition
+        {
+            public string Path => ReceiverType.Name + "/" + MethodInfo.Name;
+
+            public Type ReceiverType;
+            public MethodInfo MethodInfo;
+            public int MethodId;
+        }
+    }
+}

Assets/Scripts/MagicOnion/Server/Hubs/BroadcasterHelper.cs.meta

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