Companion to SpacetimeDB#1883 (ids-no-names)

examples~/quickstart/client/module_bindings/IdentityConnectedReducer.cs

@@ -0,0 +1,17 @@
+// THIS FILE IS AUTOMATICALLY GENERATED BY SPACETIMEDB. EDITS TO THIS FILE
+// WILL NOT BE SAVED. MODIFY TABLES IN RUST INSTEAD.
+// <auto-generated />
+
+#nullable enable
+
+using System;
+using SpacetimeDB;
+
+namespace SpacetimeDB.Types
+{
+	[SpacetimeDB.Type]
+	public partial class IdentityConnected : IReducerArgs
+	{
+		uint IReducerArgs.ReducerIndex => 0;
+	}
+}

examples~/quickstart/client/module_bindings/IdentityDisconnectedReducer.cs

@@ -0,0 +1,17 @@
+// THIS FILE IS AUTOMATICALLY GENERATED BY SPACETIMEDB. EDITS TO THIS FILE
+// WILL NOT BE SAVED. MODIFY TABLES IN RUST INSTEAD.
+// <auto-generated />
+
+#nullable enable
+
+using System;
+using SpacetimeDB;
+
+namespace SpacetimeDB.Types
+{
+	[SpacetimeDB.Type]
+	public partial class IdentityDisconnected : IReducerArgs
+	{
+		uint IReducerArgs.ReducerIndex => 1;
+	}
+}

examples~/quickstart/client/module_bindings/InitReducer.cs

@@ -0,0 +1,17 @@
+// THIS FILE IS AUTOMATICALLY GENERATED BY SPACETIMEDB. EDITS TO THIS FILE
+// WILL NOT BE SAVED. MODIFY TABLES IN RUST INSTEAD.
+// <auto-generated />
+
+#nullable enable
+
+using System;
+using SpacetimeDB;
+
+namespace SpacetimeDB.Types
+{
+	[SpacetimeDB.Type]
+	public partial class Init : IReducerArgs
+	{
+		uint IReducerArgs.ReducerIndex => 2;
+	}
+}

examples~/quickstart/client/module_bindings/SendMessageReducer.cs

@@ -12,7 +12,7 @@ namespace SpacetimeDB.Types
 	[SpacetimeDB.Type]
 	public partial class SendMessage : IReducerArgs
 	{
-		string IReducerArgs.ReducerName => "send_message";
+		uint IReducerArgs.ReducerIndex => 3;
 
 		public string Text = "";
 	}

examples~/quickstart/client/module_bindings/SetNameReducer.cs

@@ -12,7 +12,7 @@ namespace SpacetimeDB.Types
 	[SpacetimeDB.Type]
 	public partial class SetName : IReducerArgs
 	{
-		string IReducerArgs.ReducerName => "set_name";
+		uint IReducerArgs.ReducerIndex => 4;
 
 		public string Name = "";
 	}

examples~/quickstart/client/module_bindings/_Globals/SpacetimeDBClient.cs

@@ -65,6 +65,54 @@ public sealed class RemoteReducers : RemoteBase<DbConnection>
 	{
 		internal RemoteReducers(DbConnection conn, SetReducerFlags SetReducerFlags) : base(conn) { this.SetCallReducerFlags = SetReducerFlags; }
 		internal readonly SetReducerFlags SetCallReducerFlags;
+		public delegate void IdentityConnectedHandler(EventContext ctx);
+		public event IdentityConnectedHandler? OnIdentityConnected;
+
+		public void IdentityConnected()
+		{
+			conn.InternalCallReducer(new IdentityConnected {  }, this.SetCallReducerFlags.IdentityConnectedFlags);
+		}
+
+		public bool InvokeIdentityConnected(EventContext ctx, IdentityConnected args)
+		{
+			if (OnIdentityConnected == null) return false;
+			OnIdentityConnected(
+				ctx
+			);
+			return true;
+		}
+		public delegate void IdentityDisconnectedHandler(EventContext ctx);
+		public event IdentityDisconnectedHandler? OnIdentityDisconnected;
+
+		public void IdentityDisconnected()
+		{
+			conn.InternalCallReducer(new IdentityDisconnected {  }, this.SetCallReducerFlags.IdentityDisconnectedFlags);
+		}
+
+		public bool InvokeIdentityDisconnected(EventContext ctx, IdentityDisconnected args)
+		{
+			if (OnIdentityDisconnected == null) return false;
+			OnIdentityDisconnected(
+				ctx
+			);
+			return true;
+		}
+		public delegate void InitHandler(EventContext ctx);
+		public event InitHandler? OnInit;
+
+		public void Init()
+		{
+			conn.InternalCallReducer(new Init {  }, this.SetCallReducerFlags.InitFlags);
+		}
+
+		public bool InvokeInit(EventContext ctx, Init args)
+		{
+			if (OnInit == null) return false;
+			OnInit(
+				ctx
+			);
+			return true;
+		}
 		public delegate void SendMessageHandler(EventContext ctx, string text);
 		public event SendMessageHandler? OnSendMessage;
 
@@ -104,6 +152,12 @@ public bool InvokeSetName(EventContext ctx, SetName args)
 	public sealed class SetReducerFlags
 	{
 		internal SetReducerFlags() { }
+		internal CallReducerFlags IdentityConnectedFlags;
+		public void IdentityConnected(CallReducerFlags flags) { this.IdentityConnectedFlags = flags; }
+		internal CallReducerFlags IdentityDisconnectedFlags;
+		public void IdentityDisconnected(CallReducerFlags flags) { this.IdentityDisconnectedFlags = flags; }
+		internal CallReducerFlags InitFlags;
+		public void Init(CallReducerFlags flags) { this.InitFlags = flags; }
 		internal CallReducerFlags SendMessageFlags;
 		public void SendMessage(CallReducerFlags flags) { this.SendMessageFlags = flags; }
 		internal CallReducerFlags SetNameFlags;
@@ -126,11 +180,12 @@ internal EventContext(DbConnection conn, Event<Reducer> reducerEvent) : base(con
 
 	[Type]
 	public partial record Reducer : TaggedEnum<(
+		IdentityConnected IdentityConnected,
+		IdentityDisconnected IdentityDisconnected,
+		Init Init,
 		SendMessage SendMessage,
 		SetName SetName,
-		Unit StdbNone,
-		Unit StdbIdentityConnected,
-		Unit StdbIdentityDisconnected
+		Unit StdbNone
 	)>;
 	public class DbConnection : DbConnectionBase<DbConnection, Reducer>
 	{
@@ -143,21 +198,20 @@ public DbConnection()
 			SetReducerFlags = new();
 			Reducers = new(this, this.SetReducerFlags);
 
-			clientDB.AddTable<Message>("message", Db.Message);
-			clientDB.AddTable<User>("user", Db.User);
+			clientDB.AddTable<Message>(0, Db.Message);
+			clientDB.AddTable<User>(1, Db.User);
 		}
 
-		protected override Reducer ToReducer(TransactionUpdate update)
+		protected override Reducer ToReducer(uint reducerIdx, TransactionUpdate update)
 		{
 			var encodedArgs = update.ReducerCall.Args;
-			return update.ReducerCall.ReducerName switch
-			{
-				"send_message" => new Reducer.SendMessage(BSATNHelpers.Decode<SendMessage>(encodedArgs)),
-				"set_name" => new Reducer.SetName(BSATNHelpers.Decode<SetName>(encodedArgs)),
-				"<none>" => new Reducer.StdbNone(default),
-				"__identity_connected__" => new Reducer.StdbIdentityConnected(default),
-				"__identity_disconnected__" => new Reducer.StdbIdentityDisconnected(default),
-				"" => new Reducer.StdbNone(default),
+			return reducerIdx switch {
+				0 => new Reducer.IdentityConnected(BSATNHelpers.Decode<IdentityConnected>(encodedArgs)),
+				1 => new Reducer.IdentityDisconnected(BSATNHelpers.Decode<IdentityDisconnected>(encodedArgs)),
+				2 => new Reducer.Init(BSATNHelpers.Decode<Init>(encodedArgs)),
+				3 => new Reducer.SendMessage(BSATNHelpers.Decode<SendMessage>(encodedArgs)),
+				4 => new Reducer.SetName(BSATNHelpers.Decode<SetName>(encodedArgs)),
+				4294967295 => new Reducer.StdbNone(default),
 				var reducer => throw new ArgumentOutOfRangeException("Reducer", $"Unknown reducer {reducer}")
 			};
 		}
@@ -168,13 +222,13 @@ protected override IEventContext ToEventContext(Event<Reducer> reducerEvent) =>
 		protected override bool Dispatch(IEventContext context, Reducer reducer)
 		{
 			var eventContext = (EventContext)context;
-			return reducer switch
-			{
+			return reducer switch {
+				Reducer.IdentityConnected(var args) => Reducers.InvokeIdentityConnected(eventContext, args),
+				Reducer.IdentityDisconnected(var args) => Reducers.InvokeIdentityDisconnected(eventContext, args),
+				Reducer.Init(var args) => Reducers.InvokeInit(eventContext, args),
 				Reducer.SendMessage(var args) => Reducers.InvokeSendMessage(eventContext, args),
 				Reducer.SetName(var args) => Reducers.InvokeSetName(eventContext, args),
-				Reducer.StdbNone or
-				Reducer.StdbIdentityConnected or
-				Reducer.StdbIdentityDisconnected => true,
+				Reducer.StdbNone => true,
 				_ => throw new ArgumentOutOfRangeException("Reducer", $"Unknown reducer {reducer}")
 			};
 		}

src/ClientCache.cs

@@ -12,29 +12,29 @@ public class ClientCache
     {
         private readonly IDbConnection conn;
 
-        private readonly Dictionary<string, IRemoteTableHandle> tables = new();
+        private readonly Dictionary<uint, IRemoteTableHandle> tables = new();
 
         public ClientCache(IDbConnection conn) => this.conn = conn;
 
-        public void AddTable<Row>(string name, IRemoteTableHandle table)
+        public void AddTable<Row>(uint tableIdx, IRemoteTableHandle table)
             where Row : IDatabaseRow, new()
         {
-            if (!tables.TryAdd(name, table))
+            if (!tables.TryAdd(tableIdx, table))
             {
-                Log.Error($"Table with name already exists: {name}");
+                Log.Error($"Table with index already exists: {tableIdx}");
             }
 
-            table.Initialize(name, conn);
+            table.Initialize(tableIdx, conn);
         }
 
-        internal IRemoteTableHandle? GetTable(string name)
+        internal IRemoteTableHandle? GetTable(uint tableIdx)
         {
-            if (tables.TryGetValue(name, out var table))
+            if (tables.TryGetValue(tableIdx, out var table))
             {
                 return table;
             }
 
-            Log.Error($"We don't know that this table is: {name}");
+            Log.Error($"We don't know that this table is: {tableIdx}");
             return null;
         }
 

src/Event.cs

@@ -6,7 +6,7 @@ public interface IEventContext { }
 
     public interface IReducerArgs : BSATN.IStructuralReadWrite
     {
-        string ReducerName { get; }
+        uint ReducerIndex { get; }
     }
 
     [Type]

src/SpacetimeDB/ClientApi/AfterConnecting.cs

@@ -0,0 +1,35 @@
+#nullable enable
+
+using System;
+using SpacetimeDB;
+using System.Collections.Generic;
+using System.Runtime.Serialization;
+
+namespace SpacetimeDB.ClientApi
+{
+	[SpacetimeDB.Type]
+	[DataContract]
+	public partial class AfterConnecting
+	{
+		[DataMember(Name = "identity_token")]
+		public SpacetimeDB.ClientApi.IdentityToken IdentityToken;
+		[DataMember(Name = "ids_to_names")]
+		public SpacetimeDB.ClientApi.IdsToNames IdsToNames;
+
+		public AfterConnecting(
+			SpacetimeDB.ClientApi.IdentityToken IdentityToken,
+			SpacetimeDB.ClientApi.IdsToNames IdsToNames
+		)
+		{
+			this.IdentityToken = IdentityToken;
+			this.IdsToNames = IdsToNames;
+		}
+
+		public AfterConnecting()
+		{
+			this.IdentityToken = new();
+			this.IdsToNames = new();
+		}
+
+	}
+}

src/SpacetimeDB/ClientApi/CallReducer.cs

@@ -15,8 +15,8 @@ namespace SpacetimeDB.ClientApi
 	[DataContract]
 	public partial class CallReducer
 	{
-		[DataMember(Name = "reducer")]
-		public string Reducer;
+		[DataMember(Name = "reducer_id")]
+		public uint ReducerId;
 		[DataMember(Name = "args")]
 		public byte[] Args;
 		[DataMember(Name = "request_id")]
@@ -25,21 +25,20 @@ public partial class CallReducer
 		public byte Flags;
 
 		public CallReducer(
-			string Reducer,
+			uint ReducerId,
 			byte[] Args,
 			uint RequestId,
 			byte Flags
 		)
 		{
-			this.Reducer = Reducer;
+			this.ReducerId = ReducerId;
 			this.Args = Args;
 			this.RequestId = RequestId;
 			this.Flags = Flags;
 		}
 
 		public CallReducer()
 		{
-			this.Reducer = "";
 			this.Args = Array.Empty<byte>();
 		}
 

src/SpacetimeDB/ClientApi/IdsToNames.cs

@@ -0,0 +1,45 @@
+#nullable enable
+
+using System;
+using SpacetimeDB;
+using System.Collections.Generic;
+using System.Runtime.Serialization;
+
+namespace SpacetimeDB.ClientApi
+{
+    [SpacetimeDB.Type]
+    [DataContract]
+    public partial class IdsToNames
+    {
+        [DataMember(Name = "reducer_ids")]
+        public System.Collections.Generic.List<uint> ReducerIds;
+        [DataMember(Name = "reducer_names")]
+        public System.Collections.Generic.List<string> ReducerNames;
+        [DataMember(Name = "table_ids")]
+        public System.Collections.Generic.List<uint> TableIds;
+        [DataMember(Name = "table_names")]
+        public System.Collections.Generic.List<string> TableNames;
+
+        public IdsToNames(
+            System.Collections.Generic.List<uint> ReducerIds,
+            System.Collections.Generic.List<string> ReducerNames,
+            System.Collections.Generic.List<uint> TableIds,
+            System.Collections.Generic.List<string> TableNames
+        )
+        {
+            this.ReducerIds = ReducerIds;
+            this.ReducerNames = ReducerNames;
+            this.TableIds = TableIds;
+            this.TableNames = TableNames;
+        }
+
+        public IdsToNames()
+        {
+            ReducerIds = new();
+            ReducerNames = new();
+            TableIds = new();
+            TableNames = new();
+        }
+
+    }
+}

src/SpacetimeDB/ClientApi/OneOffTable.cs

@@ -15,23 +15,22 @@ namespace SpacetimeDB.ClientApi
 	[DataContract]
 	public partial class OneOffTable
 	{
-		[DataMember(Name = "table_name")]
-		public string TableName;
+		[DataMember(Name = "table_id")]
+		public uint TableId;
 		[DataMember(Name = "rows")]
 		public SpacetimeDB.ClientApi.BsatnRowList Rows;
 
 		public OneOffTable(
-			string TableName,
+			uint TableId,
 			SpacetimeDB.ClientApi.BsatnRowList Rows
 		)
 		{
-			this.TableName = TableName;
+			this.TableId = TableId;
 			this.Rows = Rows;
 		}
 
 		public OneOffTable()
 		{
-			this.TableName = "";
 			this.Rows = new();
 		}