aspnetcore/samples/ClientSample/HubSample.cs

65 lines
2.3 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Net.Http;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNetCore.SignalR;
using Microsoft.AspNetCore.SignalR.Client;
using Microsoft.AspNetCore.Sockets.Client;
using Microsoft.Extensions.Logging;
namespace ClientSample
{
internal class HubSample
{
public static async Task MainAsync(string[] args)
{
var baseUrl = "http://localhost:5000/hubs";
if (args.Length > 0)
{
baseUrl = args[0];
}
var loggerFactory = new LoggerFactory();
loggerFactory.AddConsole(LogLevel.Debug);
var logger = loggerFactory.CreateLogger<Program>();
using (var httpClient = new HttpClient(new LoggingMessageHandler(loggerFactory, new HttpClientHandler())))
{
logger.LogInformation("Connecting to {0}", baseUrl);
var transport = new LongPollingTransport(httpClient, loggerFactory);
using (var connection = await HubConnection.ConnectAsync(new Uri(baseUrl),
new JsonNetInvocationAdapter(), transport, httpClient, loggerFactory))
{
logger.LogInformation("Connected to {0}", baseUrl);
var cts = new CancellationTokenSource();
Console.CancelKeyPress += (sender, a) =>
{
a.Cancel = true;
logger.LogInformation("Stopping loops...");
cts.Cancel();
};
// Set up handler
connection.On("Send", new[] { typeof(string) }, a =>
{
var message = (string)a[0];
Console.WriteLine("RECEIVED: " + message);
});
while (!cts.Token.IsCancellationRequested)
{
var line = Console.ReadLine();
logger.LogInformation("Sending: {0}", line);
await connection.Invoke<object>("Send", line);
}
}
}
}
}
}