public async Task <IGenaSubscription> Subscribe(GenaSubscriptionRequest request)
{
Uri address = new Uri(request.BaseAddress, request.PublisherPath);
HttpRequestMessage httpRequest = new HttpRequestMessage(new HttpMethod("SUBSCRIBE"), address);
httpRequest.Headers.Clear();
httpRequest.Headers.Add("HOST", address.Authority);
httpRequest.Headers.Add("CONNECTION", (string)null);
httpRequest.Headers.Add("NT", "upnp:event");
httpRequest.Headers.Add("TIMEOUT", "Second-" + request.Timeout);
httpRequest.Headers.Add("CALLBACK", "<" + request.Callback + ">");
HttpResponseMessage response = await HttpHandler.SendAsync(httpRequest);
GenaSubscription subscribtion = new GenaSubscription()
{
Id = response.Headers.GetValues("SID").FirstOrDefault(),
Address = address
};
subscriptions.Add(subscribtion);
return(subscribtion);
}
public async Task Unsubscribe(IGenaSubscription subscription)
{
GenaSubscription sub = subscription as GenaSubscription;
if (sub == null)
{
return;
}
HttpRequestMessage httpRequest = new HttpRequestMessage(new HttpMethod("UNSUBSCRIBE"), sub.Address);
httpRequest.Headers.Clear();
httpRequest.Headers.Add("HOST", sub.Address.Authority);
httpRequest.Headers.Add("SID", subscription.Id);
await HttpHandler.SendAsync(httpRequest);
}
