iot/projects/Infrastructure/Web/SignalR/NameUserIdProvider.cs

using System;
using System.Diagnostics;
using Microsoft.AspNetCore.SignalR;

namespace Infrastructure.Web.SignalR
{
    public class NameUserIdProvider : DefaultUserIdProvider
    {
        public override string GetUserId(HubConnectionContext connection)
        {
            var key = "username";
            var query = connection.GetHttpContext().Request.Query;
            if (query.ContainsKey(key))
            {
                var username = query[key];
                if (!string.IsNullOrEmpty(username))
                {
                    Debug.WriteLine($"use userid from request query string {query[key]}");
                    return query[key];
                }
            }
            return base.GetUserId(connection);
        }
    }
}