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using System; | |
using System.Net; | |
using System.Text; | |
using System.Threading.Tasks; | |
using EventStore.ClientAPI; | |
using Microsoft.AspNet.SignalR; | |
using Microsoft.Owin.Hosting; | |
using Owin; | |
namespace EventStoreSignalR | |
{ | |
class Program | |
{ | |
static void Main(string[] args) | |
{ | |
var esClient = EventStore.ClientAPI.EventStoreConnection.Create(); | |
esClient.Connect(new IPEndPoint(IPAddress.Loopback,1113)); | |
using (WebApplication.Start<Startup>("http://localhost:8081")) | |
{ | |
Console.WriteLine("SignalR Server running."); | |
esClient.SubscribeToAll(true,SendToClient); | |
Console.ReadLine(); | |
} | |
} | |
public static void SendToClient(ResolvedEvent e) | |
{ | |
var groupName = e.OriginalStreamId; | |
var context = GlobalHost.ConnectionManager.GetHubContext<EventStoreHub>(); | |
var theGroup = context.Clients.Group(groupName); | |
var data = Encoding.UTF8.GetString(e.OriginalEvent.Data); | |
var metadata = Encoding.UTF8.GetString(e.OriginalEvent.Metadata); | |
theGroup.handleEvent(new | |
{ | |
eventId = e.OriginalEvent.EventId, | |
eventNumber = e.OriginalEvent.EventNumber, | |
eventStreamId = e.OriginalEvent.EventStreamId, | |
eventType = e.OriginalEvent.EventType, | |
data, | |
metadata | |
}); | |
} | |
} | |
class Startup | |
{ | |
public void Configuration(IAppBuilder app) | |
{ | |
var config = new HubConfiguration { EnableCrossDomain = true }; | |
app.MapHubs(config); | |
} | |
} | |
public class EventStoreHub : Hub | |
{ | |
public Task Subscribe(string streamName) | |
{ | |
return Groups.Add(Context.ConnectionId, streamName); | |
} | |
public Task Unsubscribe(string streamName) | |
{ | |
return Groups.Remove(Context.ConnectionId, streamName); | |
} | |
} | |
} |
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<html lang="en"> | |
<head> | |
<meta charset="utf-8"> | |
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> | |
<title>SignalR Test</title> | |
<script type="text/javascript" src="./jquery.min.js"></script> | |
<script type="text/javascript" src="./jquery.signalR.min.js"></script> | |
<script type="text/javascript" src="http://localhost:8081/signalr/hubs"></script> | |
</head> | |
<body> | |
<script type="text/javascript"> | |
$.connection.hub.url = "http://localhost:8081/signalr"; | |
var eventStoreHub = $.connection.eventStoreHub; | |
$.connection.hub.start() | |
.done(function() { | |
$("body").append("Connected!"); | |
}) | |
.fail(function(ex) {alert("failed to connect!" + JSON.stringify(ex));}); | |
eventStoreHub.client.handleEvent = function (event) { | |
$("body").append("<pre>" + JSON.stringify(event) + "</pre>"); | |
} | |
function subscribe() { | |
var streamName = $("#streamName").val(); | |
eventStoreHub.server.subscribe(streamName) | |
.done(function() { | |
alert("subscribed."); | |
}) | |
.fail(function() { | |
alert("subscribing failed"); | |
}); | |
} | |
function unsubscribe() { | |
var streamName = $("#streamName").val(); | |
eventStoreHub.server.unsubscribe(streamName) | |
.done(function() { | |
alert("unsubscribed."); | |
}) | |
.fail(function() { | |
alert("unsubscribing failed"); | |
}); | |
} | |
</script> | |
<input id="streamName" type="text" value="stream name"></input> | |
<button id="subscribeButton" onClick="subscribe()">Subscribe</button> | |
<button id="unsubscribeButton" onClick="unsubscribe()">Unsubscribe</button> | |
</body> | |
</html> |
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