70 lines
2.3 KiB
C#
70 lines
2.3 KiB
C#
// Copyright (c) Microsoft. All rights reserved.
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using System.Text.Json;
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using A2A;
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using Microsoft.SemanticKernel;
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using Microsoft.SemanticKernel.Agents;
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using Microsoft.SemanticKernel.Agents.A2A;
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namespace GettingStarted.A2A;
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/// <summary>
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/// This example demonstrates similarity between using <see cref="A2AAgent"/>
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/// and other agent types.
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/// </summary>
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public class Step01_A2AAgent(ITestOutputHelper output) : BaseAgentsTest(output)
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{
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[Fact]
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public async Task UseA2AAgent()
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{
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// Create an A2A agent instance
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var url = TestConfiguration.A2A.AgentUrl;
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using var httpClient = CreateHttpClient();
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var client = new A2AClient(url, httpClient);
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var cardResolver = new A2ACardResolver(url, httpClient);
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var agentCard = await cardResolver.GetAgentCardAsync();
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Console.WriteLine(JsonSerializer.Serialize(agentCard, s_jsonSerializerOptions));
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var agent = new A2AAgent(client, agentCard);
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// Invoke the A2A agent
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await foreach (AgentResponseItem<ChatMessageContent> response in agent.InvokeAsync("List the latest invoices for Contoso?"))
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{
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this.WriteAgentChatMessage(response);
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}
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}
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[Fact]
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public async Task UseA2AAgentStreaming()
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{
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// Create an A2A agent instance
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var url = TestConfiguration.A2A.AgentUrl;
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using var httpClient = CreateHttpClient();
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var client = new A2AClient(url, httpClient);
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var cardResolver = new A2ACardResolver(url, httpClient);
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var agentCard = await cardResolver.GetAgentCardAsync();
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Console.WriteLine(JsonSerializer.Serialize(agentCard, s_jsonSerializerOptions));
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var agent = new A2AAgent(client, agentCard);
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// Invoke the A2A agent
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var responseItems = agent.InvokeStreamingAsync("List the latest invoices for Contoso?");
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await WriteAgentStreamMessageAsync(responseItems);
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}
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#region private
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private bool EnableLogging { get; set; } = false;
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private HttpClient CreateHttpClient()
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{
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if (this.EnableLogging)
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{
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var handler = new LoggingHandler(new HttpClientHandler(), this.Output);
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return new HttpClient(handler);
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}
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return new HttpClient();
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}
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private static readonly JsonSerializerOptions s_jsonSerializerOptions = new() { WriteIndented = true };
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#endregion
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}
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