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Get.cs
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Get.cs
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using System.Net;
using System.Net.WebSockets;
using System.Text;
using Ardalis.ApiEndpoints;
using Microsoft.AspNetCore.Mvc;
using Swashbuckle.AspNetCore.Annotations;
namespace Api.Activities.Sockets.Queries.SampleSocket;
[Route("ws")]
public class WebSocketQuery : EndpointBaseAsync.WithoutRequest.WithoutResult
{
private readonly ILogger<WebSocketQuery> _logger;
public WebSocketQuery(ILogger<WebSocketQuery> logger)
{
_logger = logger;
}
[HttpGet]
[SwaggerOperation(
Summary = "Web Socket Upgrade Request to initiate a Web Socket Session",
Description = "Web Socket Upgrade Request to initiate a Web Socket Session",
OperationId = "1318F7F5-4FE0-4315-BBF3-0DD1A9CABB5C",
Tags = new[] { Routes.Sockets})
]
[ProducesErrorResponseType(typeof(BadRequestObjectResult))]
public override async Task HandleAsync(CancellationToken cancellationToken = new CancellationToken())
{
//let ws = new WebSocket('wss://localhost:5001/ws');
if (HttpContext.WebSockets.IsWebSocketRequest)
{
using var webSocket = await HttpContext.WebSockets.AcceptWebSocketAsync();
_logger.Log(LogLevel.Information, "WebSocket connection established");
await Echo(webSocket);
}
else
{
HttpContext.Response.StatusCode = (int) HttpStatusCode.BadRequest;
}
}
private async Task Echo(WebSocket webSocket)
{
var buffer = new byte[1024 * 4];
var result = await webSocket.ReceiveAsync(new ArraySegment<byte>(buffer), CancellationToken.None);
_logger.Log(LogLevel.Information, "Message received from Client");
while (!result.CloseStatus.HasValue)
{
var serverMsg = Encoding.UTF8.GetBytes($"Client Message: {Encoding.UTF8.GetString(buffer)}");
await webSocket.SendAsync(new ArraySegment<byte>(serverMsg, 0, serverMsg.Length), result.MessageType, result.EndOfMessage, CancellationToken.None);
_logger.Log(LogLevel.Information, "Message sent to Client");
buffer = new byte[1024 * 4];
result = await webSocket.ReceiveAsync(new ArraySegment<byte>(buffer), CancellationToken.None);
_logger.Log(LogLevel.Information, "Message received from Client");
}
await webSocket.CloseAsync(result.CloseStatus.Value, result.CloseStatusDescription, CancellationToken.None);
_logger.Log(LogLevel.Information, "WebSocket connection closed");
}
}