Example of SignalR active notification subscriber and signalr subscription

Example of SignalR active notification subscriber and signalr subscription

Html code:

<script src="~/Scripts/jquery.signalR-2.2.0.min.js"></script><script src="@Url.Content("~/signalr/hubs")" type="text/javascript"></script><script>    $(function () {        var hub = $.connection.payHub;        hub.client.waitNotify = function (tran, url) {            console.log("waitNotify:" + tran + "   " + url);            if (tran) {                location.href = url;            }        };        $.connection.hub.start().done(function () {            console.log("hub done");        });    })</script>

Hub code:

[HubName("payHub"), Authorize]    public class payHub : Hub    {        public static Dictionary<Guid, string> userPayHub = new Dictionary<Guid, string>();        public static void Notify(Guid userId, string redirectUrl)        {            if (userPayHub.ContainsKey(userId))            {                Microsoft.AspNet.SignalR.GlobalHost.ConnectionManager.GetHubContext<Hubs.payHub>()                   .Clients.Client(Hubs.payHub.userPayHub[userId])                   .waitNotify(true, redirectUrl);            }        }        public override Task OnConnected()        {            var uid = this.Context.User.Identity.GetUserId();            userPayHub[uid] = this.Context.ConnectionId;            return base.OnConnected();        }        public override Task OnDisconnected(bool stopCalled)        {            var uid = this.Context.User.Identity.GetUserId();            userPayHub.Remove(uid);            return base.OnDisconnected(stopCalled);        }        public override Task OnReconnected()        {            var uid = this.Context.User.Identity.GetUserId();            userPayHub.Remove(uid);            return base.OnReconnected();        }    }

Call the Notify method.

Key Point: GlobalHost. ConnectionManager. GetHubContext