aspnetcore/samples/SocialWeather/SocialWeatherEndPoint.cs

51 lines
1.9 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.IO;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Sockets;
using Microsoft.Extensions.Logging;
namespace SocialWeather
{
public class SocialWeatherEndPoint : EndPoint
{
private readonly PersistentConnectionLifeTimeManager _lifetimeManager;
private readonly FormatterResolver _formatterResolver;
private readonly ILogger<SocialWeatherEndPoint> _logger;
public SocialWeatherEndPoint(PersistentConnectionLifeTimeManager lifetimeManager,
FormatterResolver formatterResolver, ILogger<SocialWeatherEndPoint> logger)
{
_lifetimeManager = lifetimeManager;
_formatterResolver = formatterResolver;
_logger = logger;
}
public async override Task OnConnectedAsync(ConnectionContext connection)
{
_lifetimeManager.OnConnectedAsync(connection);
await ProcessRequests(connection);
_lifetimeManager.OnDisconnectedAsync(connection);
}
public async Task ProcessRequests(ConnectionContext connection)
{
var formatter = _formatterResolver.GetFormatter<WeatherReport>(
(string)connection.Metadata["format"]);
while (await connection.Transport.Reader.WaitToReadAsync())
{
if (connection.Transport.Reader.TryRead(out var buffer))
{
var stream = new MemoryStream();
await stream.WriteAsync(buffer, 0, buffer.Length);
stream.Position = 0;
var weatherReport = await formatter.ReadAsync(stream);
await _lifetimeManager.SendToAllAsync(weatherReport);
}
}
}
}
}