Consolidate client registration implementation

src/Dapr.AI/Conversation/DaprConversationClient.cs

@@ -11,16 +11,26 @@
 // limitations under the License.
 // ------------------------------------------------------------------------
 
-using Dapr.Common;
-using Dapr.Common.Extensions;
-using P = Dapr.Client.Autogen.Grpc.v1;
+using Autogenerated = Dapr.Client.Autogen.Grpc.v1.Dapr;
 
 namespace Dapr.AI.Conversation;
 
 /// <summary>
+/// <para>
 /// Used to interact with the Dapr conversation building block.
+/// Use <see cref="DaprConversationClientBuilder"/> to create a <see cref="DaprConversationClient"/> or register
+/// for use with dependency injection via
+/// <see><cref>DaprJobsServiceCollectionExtensions.AddDaprJobsClient</cref></see>.
+/// </para>
+/// <para>
+/// Implementations of <see cref="DaprConversationClient"/> implement <see cref="IDisposable"/> because the
+/// client accesses network resources. For best performance, create a single long-lived client instance
+/// and share it for the lifetime of the application. This is done for you if created via the DI extensions. Avoid
+/// creating a disposing a client instance for each operation that the application performs - this can lead to socket
+/// exhaustion and other problems.
+/// </para>
 /// </summary>
-public sealed class DaprConversationClient : DaprAIClient
+public abstract class DaprConversationClient : DaprAIClient
 {
     /// <summary>
     /// The HTTP client used by the client for calling the Dapr runtime.
@@ -42,15 +52,15 @@ public sealed class DaprConversationClient : DaprAIClient
     /// <remarks>
     /// Property exposed for testing purposes.
     /// </remarks>
-    internal P.Dapr.DaprClient Client { get; }
+    internal Autogenerated.DaprClient Client { get; }
 
     /// <summary>
     /// Used to initialize a new instance of a <see cref="DaprConversationClient"/>.
     /// </summary>
     /// <param name="client">The Dapr client.</param>
     /// <param name="httpClient">The HTTP client used by the client for calling the Dapr runtime.</param>
     /// <param name="daprApiToken">An optional token required to send requests to the Dapr sidecar.</param>
-    public DaprConversationClient(P.Dapr.DaprClient client,
+    protected DaprConversationClient(Autogenerated.DaprClient client,
         HttpClient httpClient,
         string? daprApiToken = null)
     {
@@ -67,54 +77,7 @@ public DaprConversationClient(P.Dapr.DaprClient client,
     /// <param name="options">Optional options used to configure the conversation.</param>
     /// <param name="cancellationToken">Cancellation token.</param>
     /// <returns>The response(s) provided by the LLM provider.</returns>
-    public override async Task<DaprConversationResponse> ConverseAsync(string daprConversationComponentName, IReadOnlyList<DaprConversationInput> inputs, ConversationOptions? options = null,
-        CancellationToken cancellationToken = default)
-    {
-        var request = new P.ConversationRequest
-        {
-            Name = daprConversationComponentName
-        };
-
-        if (options is not null)
-        {
-            if (options.ConversationId is not null)
-            {
-                request.ContextID = options.ConversationId;
-            }
-
-            request.ScrubPII = options.ScrubPII;
-
-            foreach (var (key, value) in options.Metadata)
-            {
-                request.Metadata.Add(key, value);
-            }
-
-            foreach (var (key, value) in options.Parameters)
-            {
-                request.Parameters.Add(key, value);
-            }
-        }
-
-        foreach (var input in inputs)
-        {
-            request.Inputs.Add(new P.ConversationInput
-            {
-                ScrubPII = input.ScrubPII,
-                Content = input.Content,
-                Role = input.Role.GetValueFromEnumMember()
-            });
-        }
-
-        var grpCCallOptions =
-            DaprClientUtilities.ConfigureGrpcCallOptions(typeof(DaprConversationClient).Assembly, this.DaprApiToken,
-                cancellationToken);
-
-        var result = await Client.ConverseAlpha1Async(request, grpCCallOptions).ConfigureAwait(false);
-        var outputs = result.Outputs.Select(output => new DaprConversationResult(output.Result)
-        {
-            Parameters = output.Parameters.ToDictionary(kvp => kvp.Key, parameter => parameter.Value)
-        }).ToList();
-
-        return new DaprConversationResponse(outputs);
-    }
+    public abstract Task<DaprConversationResponse> ConverseAsync(string daprConversationComponentName,
+        IReadOnlyList<DaprConversationInput> inputs, ConversationOptions? options = null,
+        CancellationToken cancellationToken = default);
 }

src/Dapr.AI/Conversation/DaprConversationClientBuilder.cs

@@ -25,11 +25,11 @@ public sealed class DaprConversationClientBuilder : DaprGenericClientBuilder<Dap
     /// <summary>
     /// Used to initialize a new instance of the <see cref="DaprConversationClient"/>.
     /// </summary>
-    /// <param name="configuration"></param>
+    /// <param name="configuration">An optional <see cref="IConfiguration"/> to configure the client with.</param>
     public DaprConversationClientBuilder(IConfiguration? configuration = null) : base(configuration)
     {
     }
-    
+
     /// <summary>
     /// Builds the client instance from the properties of the builder.
     /// </summary>
@@ -41,6 +41,6 @@ public override DaprConversationClient Build()
     {
         var daprClientDependencies = BuildDaprClientDependencies(typeof(DaprConversationClient).Assembly);
         var client = new Autogenerated.DaprClient(daprClientDependencies.channel);
-        return new DaprConversationClient(client, daprClientDependencies.httpClient, daprClientDependencies.daprApiToken);
+        return new DaprConversationGrpcClient(client, daprClientDependencies.httpClient, daprClientDependencies.daprApiToken);
     }
 }

src/Dapr.AI/Conversation/DaprConversationGrpcClient.cs

@@ -0,0 +1,95 @@
+// ------------------------------------------------------------------------
+//  Copyright 2025 The Dapr Authors
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//      http://www.apache.org/licenses/LICENSE-2.0
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+//  ------------------------------------------------------------------------
+
+using Dapr.Common;
+using Dapr.Common.Extensions;
+using Autogenerated = Dapr.Client.Autogen.Grpc.v1;
+
+namespace Dapr.AI.Conversation;
+
+/// <summary>
+/// Used to initialize a new instance of a <see cref="DaprConversationClient"/>.
+/// </summary>
+/// <param name="client">The Dapr client.</param>
+/// <param name="httpClient">The HTTP client used by the client for calling the Dapr runtime.</param>
+/// <param name="daprApiToken">An optional token required to send requests to the Dapr sidecar.</param>
+internal sealed class DaprConversationGrpcClient(Autogenerated.Dapr.DaprClient client, HttpClient httpClient, string? daprApiToken = null) : DaprConversationClient(client, httpClient, daprApiToken: daprApiToken)
+{ 
+    /// <summary>
+    /// Sends various inputs to the large language model via the Conversational building block on the Dapr sidecar.
+    /// </summary>
+    /// <param name="daprConversationComponentName">The name of the Dapr conversation component.</param>
+    /// <param name="inputs">The input values to send.</param>
+    /// <param name="options">Optional options used to configure the conversation.</param>
+    /// <param name="cancellationToken">Cancellation token.</param>
+    /// <returns>The response(s) provided by the LLM provider.</returns>
+    public override async Task<DaprConversationResponse> ConverseAsync(string daprConversationComponentName, IReadOnlyList<DaprConversationInput> inputs, ConversationOptions? options = null,
+        CancellationToken cancellationToken = default)
+    {
+        var request = new Autogenerated.ConversationRequest
+        {
+            Name = daprConversationComponentName
+        };
+
+        if (options is not null)
+        {
+            if (options.ConversationId is not null)
+            {
+                request.ContextID = options.ConversationId;
+            }
+
+            request.ScrubPII = options.ScrubPII;
+
+            foreach (var (key, value) in options.Metadata)
+            {
+                request.Metadata.Add(key, value);
+            }
+
+            foreach (var (key, value) in options.Parameters)
+            {
+                request.Parameters.Add(key, value);
+            }
+        }
+
+        foreach (var input in inputs)
+        {
+            request.Inputs.Add(new Autogenerated.ConversationInput
+            {
+                ScrubPII = input.ScrubPII,
+                Content = input.Content,
+                Role = input.Role.GetValueFromEnumMember()
+            });
+        }
+
+        var grpCCallOptions =
+            DaprClientUtilities.ConfigureGrpcCallOptions(typeof(DaprConversationClient).Assembly, this.DaprApiToken,
+                cancellationToken);
+
+        var result = await Client.ConverseAlpha1Async(request, grpCCallOptions).ConfigureAwait(false);
+        var outputs = result.Outputs.Select(output => new DaprConversationResult(output.Result)
+        {
+            Parameters = output.Parameters.ToDictionary(kvp => kvp.Key, parameter => parameter.Value)
+        }).ToList();
+
+        return new DaprConversationResponse(outputs);
+    }
+
+    /// <inheritdoc />
+    protected override void Dispose(bool disposing)
+    {
+        if (disposing)
+        {
+            this.HttpClient.Dispose();
+        }
+    }
+}

src/Dapr.AI/Conversation/Extensions/DaprAiConversationBuilder.cs

@@ -18,18 +18,10 @@ namespace Dapr.AI.Conversation.Extensions;
 /// <summary>
 /// Used by the fluent registration builder to configure a Dapr AI conversational manager.
 /// </summary>
-public sealed class DaprAiConversationBuilder : IDaprAiConversationBuilder
+public sealed class DaprAiConversationBuilder(IServiceCollection services) : IDaprAiConversationBuilder
 {
     /// <summary>
     /// The registered services on the builder.
     /// </summary>
-    public IServiceCollection Services { get;  }
-
-    /// <summary>
-    /// Used to initialize a new <see cref="DaprAiConversationBuilder"/>.
-    /// </summary>
-    public DaprAiConversationBuilder(IServiceCollection services)
-    {
-        Services = services;
-    }
+    public IServiceCollection Services { get; } = services;
 }

src/Dapr.AI/Conversation/Extensions/DaprAiConversationBuilderExtensions.cs

@@ -11,9 +11,8 @@
 // limitations under the License.
 // ------------------------------------------------------------------------
 
-using Microsoft.Extensions.Configuration;
+using Dapr.Common.Extensions;
 using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.DependencyInjection.Extensions;
 
 namespace Dapr.AI.Conversation.Extensions;
 
@@ -23,42 +22,11 @@ namespace Dapr.AI.Conversation.Extensions;
 public static class DaprAiConversationBuilderExtensions
 {
     /// <summary>
-    /// Registers the necessary functionality for the Dapr AI conversation functionality.
+    /// Registers the necessary functionality for the Dapr AI Conversation functionality.
     /// </summary>
-    /// <returns></returns>
-    public static IDaprAiConversationBuilder AddDaprConversationClient(this IServiceCollection services, Action<IServiceProvider, DaprConversationClientBuilder>? configure = null, ServiceLifetime lifetime = ServiceLifetime.Singleton)
-    {
-        ArgumentNullException.ThrowIfNull(services, nameof(services));
-
-        services.AddHttpClient();
-
-        var registration = new Func<IServiceProvider, DaprConversationClient>(provider =>
-        {
-            var configuration = provider.GetService<IConfiguration>();
-            var builder = new DaprConversationClientBuilder(configuration);
-
-            var httpClientFactory = provider.GetRequiredService<IHttpClientFactory>();
-            builder.UseHttpClientFactory(httpClientFactory);
-
-            configure?.Invoke(provider, builder);
-
-            return builder.Build();
-        });
-
-        switch (lifetime)
-        {
-            case ServiceLifetime.Scoped:
-                services.TryAddScoped(registration);
-                break;
-            case ServiceLifetime.Transient:
-                services.TryAddTransient(registration);
-                break;
-            case ServiceLifetime.Singleton:
-            default:
-                services.TryAddSingleton(registration);
-                break;
-        }
-
-        return new DaprAiConversationBuilder(services);
-    }
+    public static IDaprAiConversationBuilder AddDaprConversationClient(
+        this IServiceCollection services,
+        Action<IServiceProvider, DaprConversationClientBuilder>? configure = null,
+        ServiceLifetime lifetime = ServiceLifetime.Singleton) => services
+        .AddDaprClient<DaprConversationClient, DaprConversationGrpcClient, DaprAiConversationBuilder, DaprConversationClientBuilder>(configure, lifetime);
 }

src/Dapr.AI/Conversation/Extensions/IDaprAiConversationBuilder.cs

@@ -18,6 +18,4 @@ namespace Dapr.AI.Conversation.Extensions;
 /// <summary>
 /// Provides a root builder for the Dapr AI conversational functionality facilitating a more fluent-style registration.
 /// </summary>
-public interface IDaprAiConversationBuilder : IDaprAiServiceBuilder
-{
-}
+public interface IDaprAiConversationBuilder : IDaprAiServiceBuilder;

src/Dapr.AI/DaprAIClient.cs

@@ -11,24 +11,32 @@
 // limitations under the License.
 // ------------------------------------------------------------------------
 
-using Dapr.AI.Conversation;
+using Dapr.Common;
 
 namespace Dapr.AI;
 
 /// <summary>
 /// The base implementation of a Dapr AI client.
 /// </summary>
-public abstract class DaprAIClient
+public abstract class DaprAIClient : IDaprClient
 {
+    private bool disposed;
+
+    /// <inheritdoc />
+    public void Dispose()
+    {
+        if (!this.disposed)
+        {
+            Dispose(disposing: true);
+            this.disposed = true;
+        }
+    }
+
     /// <summary>
-    /// Sends various inputs to the large language model via the Conversational building block on the Dapr sidecar.
+    /// Disposes the resources associated with the object.
     /// </summary>
-    /// <param name="daprConversationComponentName">The name of the Dapr conversation component.</param>
-    /// <param name="inputs">The input values to send.</param>
-    /// <param name="options">Optional options used to configure the conversation.</param>
-    /// <param name="cancellationToken">Cancellation token.</param>
-    /// <returns>The response(s) provided by the LLM provider.</returns>
-    public abstract Task<DaprConversationResponse> ConverseAsync(string daprConversationComponentName,
-        IReadOnlyList<DaprConversationInput> inputs, ConversationOptions? options = null,
-        CancellationToken cancellationToken = default);
+    /// <param name="disposing"><c>true</c> if called by a call to the <c>Dispose</c> method; otherwise false.</param>
+    protected virtual void Dispose(bool disposing)
+    {
+    }
 }

src/Dapr.AI/Extensions/IDaprAiServiceBuilder.cs

@@ -11,17 +11,12 @@
 // limitations under the License.
 // ------------------------------------------------------------------------
 
+using Dapr.Common;
 using Microsoft.Extensions.DependencyInjection;
 
 namespace Dapr.AI.Extensions;
 
 /// <summary>
 /// Responsible for registering Dapr AI service functionality.
 /// </summary>
-public interface IDaprAiServiceBuilder
-{
-    /// <summary>
-    /// The registered services on the builder.
-    /// </summary>
-    public IServiceCollection Services { get; }
-}
+public interface IDaprAiServiceBuilder : IDaprServiceBuilder;

src/Dapr.Common/Dapr.Common.csproj

@@ -6,6 +6,7 @@
     </PropertyGroup>
 
     <ItemGroup>
+        <ProjectReference Include="..\Dapr.Protos\Dapr.Protos.csproj" />
         <PackageReference Include="Google.Api.CommonProtos" />
         <PackageReference Include="Grpc.Net.Client" />
         <PackageReference Include="Microsoft.Extensions.Http" />