public EventSubscription(string sid, ServiceDescriptor serviceDescriptor, CpService service, DateTime expiration)
{
_sid = sid;
_serviceDescriptor = serviceDescriptor;
_service = service;
_expiration = expiration;
}
protected HttpWebRequest CreateActionCallRequest(ServiceDescriptor sd, CpAction action)
{
LinkData preferredLink = sd.RootDescriptor.SSDPRootEntry.PreferredLink;
HttpWebRequest request = (HttpWebRequest) WebRequest.Create(new Uri(
new Uri(preferredLink.DescriptionLocation), sd.ControlURL));
NetworkUtils.SetLocalEndpoint(request, preferredLink.Endpoint.EndPointIPAddress);
request.Method = "POST";
request.KeepAlive = _useHttpKeepAlive;
request.CachePolicy = new RequestCachePolicy(RequestCacheLevel.NoCacheNoStore);
request.ServicePoint.Expect100Continue = false;
request.AllowAutoRedirect = true;
request.UserAgent = UPnPConfiguration.UPnPMachineInfoHeader;
request.ContentType = "text/xml; charset=\"utf-8\"";
request.Headers.Add("SOAPACTION", '"' + action.Action_URN + '"');
request.Headers.Add("Accept-Encoding", CompressionHelper.GetAcceptedEncodings());
return request;
}
public ChangeEventSubscriptionState(ServiceDescriptor serviceDescriptor, CpService service, HttpWebRequest request) :
base(request)
{
_serviceDescriptor = serviceDescriptor;
_service = service;
}
protected HttpWebRequest CreateEventSubscribeRequest(ServiceDescriptor sd)
{
LinkData preferredLink = sd.RootDescriptor.SSDPRootEntry.PreferredLink;
HttpWebRequest request = (HttpWebRequest) WebRequest.Create(new Uri(
new Uri(preferredLink.DescriptionLocation), sd.EventSubURL));
NetworkUtils.SetLocalEndpoint(request, preferredLink.Endpoint.EndPointIPAddress);
request.Method = "SUBSCRIBE";
request.UserAgent = UPnPConfiguration.UPnPMachineInfoHeader;
request.Headers.Add("CALLBACK", "<http://" + NetworkHelper.IPEndPointToString(_eventNotificationEndpoint) + _eventNotificationPath + ">");
request.Headers.Add("NT", "upnp:event");
request.Headers.Add("TIMEOUT", "Second-" + EVENT_SUBSCRIPTION_TIME);
return request;
}
internal void SubscribeEvents(CpService service, ServiceDescriptor serviceDescriptor)
{
lock (_cpData.SyncObj)
{
HttpWebRequest request = CreateEventSubscribeRequest(serviceDescriptor);
ChangeEventSubscriptionState state = new ChangeEventSubscriptionState(serviceDescriptor, service, request);
_pendingCalls.Add(state);
IAsyncResult result = state.Request.BeginGetResponse(OnSubscribeOrRenewSubscriptionResponseReceived, state);
NetworkHelper.AddTimeout(request, result, EVENT_SUBSCRIPTION_CALL_TIMEOUT * 1000);
}
}
internal static CpService ConnectService(DeviceConnection connection, CpDevice parentDevice,
ServiceDescriptor serviceDescriptor, DataTypeResolverDlgt dataTypeResolver)
{
lock (connection.CPData.SyncObj)
{
CpService result = new CpService(connection, parentDevice, serviceDescriptor.ServiceType, serviceDescriptor.ServiceTypeVersion,
serviceDescriptor.ServiceId);
XPathNavigator serviceNav = serviceDescriptor.ServiceDescription.CreateNavigator();
serviceNav.MoveToChild(XPathNodeType.Element);
XmlNamespaceManager nsmgr = new XmlNamespaceManager(serviceNav.NameTable);
nsmgr.AddNamespace("s", UPnPConsts.NS_SERVICE_DESCRIPTION);
XPathNodeIterator svIt = serviceNav.Select("s:serviceStateTable/s:stateVariable", nsmgr);
// State variables must be connected first because they are needed from the action's arguments
while (svIt.MoveNext())
result.AddStateVariable(CpStateVariable.ConnectStateVariable(connection, result, svIt.Current, nsmgr, dataTypeResolver));
XPathNodeIterator acIt = serviceNav.Select("s:actionList/s:action", nsmgr);
while (acIt.MoveNext())
result.AddAction(CpAction.ConnectAction(connection, result, acIt.Current, nsmgr));
return result;
}
}
protected static HttpWebRequest CreateActionCallRequest(ServiceDescriptor sd, CpAction action)
{
LinkData preferredLink = sd.RootDescriptor.SSDPRootEntry.PreferredLink;
HttpWebRequest request = (HttpWebRequest) WebRequest.Create(new Uri(
new Uri(preferredLink.DescriptionLocation), sd.ControlURL));
NetworkUtils.SetLocalEndpoint(request, preferredLink.Endpoint.EndPointIPAddress);
request.Method = "POST";
request.KeepAlive = true;
request.AllowAutoRedirect = true;
request.UserAgent = UPnPConfiguration.UPnPMachineInfoHeader;
request.ContentType = "text/xml; charset=\"utf-8\"";
request.Headers.Add("SOAPACTION", action.Action_URN);
return request;
}
