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.NET: Split A2A endpoint mapping into protocol-specific methods (#5413)

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* .NET: Refactor A2A hosting registration into A2AServerServiceCollectionExtensions

- Rename A2AHostingOptions to A2AServerRegistrationOptions
- Move server registration logic from A2AEndpointRouteBuilderExtensions
  and AIAgentExtensions into new A2AServerServiceCollectionExtensions
- Remove A2AProtocolBinding and AIAgentExtensions (consolidated)
- Update samples and tests to use the new registration API

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* address copilot comments

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This commit is contained in:
SergeyMenshykh
2026-04-22 10:38:48 +01:00
committed by GitHub
co-authored by Copilot
parent 275363d15e
commit c54483f81e
10 changed files with 746 additions and 891 deletions
Download Patch File Download Diff File Expand all files Collapse all files
dotnet/samples/05-end-to-end/A2AClientServer/A2AServer/Program.cs
+6 -9
View File
@@ -3,7 +3,6 @@ using A2A;
using A2A.AspNetCore;
using A2AServer;
using Microsoft.Agents.AI;
using Microsoft.Agents.AI.Hosting.A2A;
using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.AI;
using Microsoft.Extensions.Configuration;
@@ -26,10 +25,6 @@ for (var i = 0; i < args.Length; i++)
var builder = WebApplication.CreateBuilder(args);
builder.Services.AddHttpClient().AddLogging();
var app = builder.Build();
var httpClient = app.Services.GetRequiredService<IHttpClientFactory>().CreateClient();
var logger = app.Logger;
IConfigurationRoot configuration = new ConfigurationBuilder()
.AddEnvironmentVariables()
@@ -39,7 +34,7 @@ IConfigurationRoot configuration = new ConfigurationBuilder()
string? apiKey = configuration["OPENAI_API_KEY"];
string model = configuration["OPENAI_CHAT_MODEL_NAME"] ?? "gpt-5.4-mini";
string? endpoint = configuration["AZURE_AI_PROJECT_ENDPOINT"];
string[] agentUrls = (app.Configuration["urls"] ?? "http://localhost:5000").Split(';');
string[] agentUrls = (builder.Configuration["urls"] ?? "http://localhost:5000").Split(';');
var invoiceQueryPlugin = new InvoiceQuery();
IList<AITool> tools =
@@ -106,9 +101,11 @@ else
throw new ArgumentException("Either A2AServer:ApiKey or A2AServer:ConnectionString & agentName must be provided");
}
app.MapA2A(
hostA2AAgent,
path: "/", protocolBindings: A2AProtocolBinding.JsonRpc | A2AProtocolBinding.HttpJson);
builder.AddA2AServer(hostA2AAgent);
var app = builder.Build();
app.MapA2AHttpJson(hostA2AAgent, "/");
app.MapA2AJsonRpc(hostA2AAgent, "/");
app.MapWellKnownAgentCard(hostA2AAgentCard);
dotnet/samples/05-end-to-end/AgentWebChat/AgentWebChat.AgentHost/Program.cs
+6 -3
View File
@@ -147,6 +147,9 @@ builder.Services.AddKeyedSingleton<AIAgent>("my-di-matchingname-agent", (sp, nam
instructions: "you are a dependency inject agent. Tell me all about dependency injection.");
});
pirateAgentBuilder.AddA2AServer();
knightsKnavesAgentBuilder.AddA2AServer();
var app = builder.Build();
app.MapOpenApi();
@@ -155,9 +158,9 @@ app.UseSwaggerUI(options => options.SwaggerEndpoint("/openapi/v1.json", "Agents
// Configure the HTTP request pipeline.
app.UseExceptionHandler();
// attach a2a with simple message communication
app.MapA2A(pirateAgentBuilder, path: "/a2a/pirate");
app.MapA2A(knightsKnavesAgentBuilder, path: "/a2a/knights-and-knaves");
// Expose A2A servers over HTTP with JSON payloads
app.MapA2AHttpJson(pirateAgentBuilder, path: "/a2a/pirate");
app.MapA2AHttpJson(knightsKnavesAgentBuilder, path: "/a2a/knights-and-knaves");
app.MapDevUI();