Mark GrpcChannelProvider(GrpcChannelOptions) as Obsolete

README.md

@@ -1066,12 +1066,12 @@ Before creating a channel in your application, you need to initialize the provid
 public static void OnRuntimeInitialize()
 {
     // Initialize gRPC channel provider when the application is loaded.
-    GrpcChannelProviderHost.Initialize(new DefaultGrpcChannelProvider(new []
+    GrpcChannelProviderHost.Initialize(new DefaultGrpcChannelProvider(() => new GrpcChannelOptions()
     {
-        // send keepalive ping every 5 second, default is 2 hours
-        new ChannelOption("grpc.keepalive_time_ms", 5000),
-        // keepalive ping time out after 5 seconds, default is 20 seconds
-        new ChannelOption("grpc.keepalive_timeout_ms", 5 * 1000),
+        HttpHandler = new YetAnotherHttpHandler()
+        {
+            Http2Only = true,
+        },
     }));
 }
 ```

src/MagicOnion.Client.Unity/Assets/Scripts/MagicOnion/MagicOnion.Unity/DefaultGrpcChannelProvider.cs

@@ -23,7 +23,8 @@ public DefaultGrpcChannelProvider(GrpcCCoreChannelOptions channelOptions) : base
     public class DefaultGrpcChannelProvider : GrpcNetClientGrpcChannelProvider
     {
         public DefaultGrpcChannelProvider() : base() {}
-        public DefaultGrpcChannelProvider(GrpcChannelOptions channelOptions) : base(channelOptions) {}
+        [Obsolete("Use constructor with a GrpcChannelOptions factory overload instead. If you pass a GrpcChannelOptions directly, HttpClient/HttpHandler may be reused unintentionally.")]
+        public DefaultGrpcChannelProvider(GrpcChannelOptions channelOptions) : base(channelOptions) { }
         public DefaultGrpcChannelProvider(Func<GrpcChannelOptions> channelOptionsFactory) : base(channelOptionsFactory) {}
     }
 #endif

src/MagicOnion.Client.Unity/Assets/Scripts/MagicOnion/MagicOnion.Unity/GrpcNetClientGrpcChannelProvider.cs

@@ -13,10 +13,11 @@ public class GrpcNetClientGrpcChannelProvider : GrpcChannelProviderBase
     {
         readonly Func<GrpcChannelOptions> defaultChannelOptionsFactory;
         public GrpcNetClientGrpcChannelProvider()
-            : this(new GrpcChannelOptions())
+            : this(() => new GrpcChannelOptions())
         {
         }
 
+        [Obsolete("Use constructor with a GrpcChannelOptions factory overload instead. If you pass a GrpcChannelOptions directly, HttpClient/HttpHandler may be reused unintentionally.")]
         public GrpcNetClientGrpcChannelProvider(GrpcChannelOptions options)
             : this(() => options)
         {