/// <summary>
/// When the user makes a GET request,
/// we’ll create a new HttpResponseMessage using PushStreamContent object
/// and text/event-stream content type.
/// PushStreamContent takes an Action<Stream, HttpContentHeaders, TransportContext> onStreamAvailable parameter in the constructor, and that in turn allows us to manipulate the response stream.
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public HttpResponseMessage Get()
{
try
{
var json = Server.UrlDecode(Request.QueryString[null]);
Parcel m = JsonConvert.DeserializeObject<Parcel>(json);
StreamClient client = ws.ClientByID(m.client) as StreamClient;
if (client == null)
{
client = new StreamClient() { Response = Response, clientID = m.client };
//client.SessionID = HttpContext.Session.SessionID;
ws.AddClient(client);
Response.ContentType = "text/event-stream";
Response.Headers.Add("Connection", "Keep-Alive");
}
else
{
client.Response = Response;
}
do
{
if (!ws.SendOne(client).Result)
{
return null;
};
Response.Flush();
Thread.Sleep(200);
} while (true);
}
catch (Exception ex)
{
}
return null;
}