93 lines
3.5 KiB
C#
93 lines
3.5 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.Net.Http;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.Sockets.Client;
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using Microsoft.Extensions.Logging;
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using Microsoft.AspNetCore.Sockets;
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namespace ClientSample
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{
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internal class RawSample
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{
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public static async Task MainAsync(string[] args)
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{
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var baseUrl = "http://localhost:5000/chat";
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if (args.Length > 0)
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{
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baseUrl = args[0];
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}
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var loggerFactory = new LoggerFactory();
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loggerFactory.AddConsole(LogLevel.Debug);
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var logger = loggerFactory.CreateLogger<Program>();
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using (var httpClient = new HttpClient(new LoggingMessageHandler(loggerFactory, new HttpClientHandler())))
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{
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logger.LogInformation("Connecting to {0}", baseUrl);
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var transport = new LongPollingTransport(httpClient, loggerFactory);
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using (var connection = await Connection.ConnectAsync(new Uri(baseUrl), transport, httpClient, loggerFactory))
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{
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logger.LogInformation("Connected to {0}", baseUrl);
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var cts = new CancellationTokenSource();
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Console.CancelKeyPress += (sender, a) =>
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{
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a.Cancel = true;
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logger.LogInformation("Stopping loops...");
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cts.Cancel();
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};
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// Ready to start the loops
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var receive =
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StartReceiving(loggerFactory.CreateLogger("ReceiveLoop"), connection, cts.Token).ContinueWith(_ => cts.Cancel());
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var send =
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StartSending(loggerFactory.CreateLogger("SendLoop"), connection, cts.Token).ContinueWith(_ => cts.Cancel());
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await Task.WhenAll(receive, send);
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}
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}
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}
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private static async Task StartSending(ILogger logger, Connection connection, CancellationToken cancellationToken)
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{
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logger.LogInformation("Send loop starting");
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while (!cancellationToken.IsCancellationRequested)
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{
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var line = Console.ReadLine();
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logger.LogInformation("Sending: {0}", line);
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await connection.SendAsync(Encoding.UTF8.GetBytes("Hello World"), Format.Text);
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}
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logger.LogInformation("Send loop terminated");
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}
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private static async Task StartReceiving(ILogger logger, Connection connection, CancellationToken cancellationToken)
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{
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logger.LogInformation("Receive loop starting");
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try
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{
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var receiveData = new ReceiveData();
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while (await connection.ReceiveAsync(receiveData, cancellationToken))
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{
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logger.LogInformation($"Received: {Encoding.UTF8.GetString(receiveData.Data)}");
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}
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}
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catch (OperationCanceledException)
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{
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logger.LogInformation("Connection is closing");
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}
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catch (Exception ex)
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{
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logger.LogError(0, ex, "Connection terminated due to an exception");
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}
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logger.LogInformation("Receive loop terminated");
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}
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}
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}
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