internal void OnActionCalled(CpAction action, IList <object> inParams, object clientState)
{
if (!action.IsConnected)
{
throw new UPnPDisconnectedException("Action '{0}' is not connected to a UPnP network action", action.FullQualifiedName);
}
CpService service = action.ParentService;
ServiceDescriptor sd = GetServiceDescriptor(service);
string message = SOAPHandler.EncodeCall(action, inParams, _rootDescriptor.SSDPRootEntry.UPnPVersion);
HttpWebRequest request = CreateActionCallRequest(sd, action);
ActionCallState state = new ActionCallState(action, clientState, request);
state.SetRequestMessage(message);
lock (_cpData.SyncObj)
_pendingCalls.Add(state);
IAsyncResult result = state.Request.BeginGetResponse(OnCallResponseReceived, state);
NetworkHelper.AddTimeout(request, result, PENDING_ACTION_CALL_TIMEOUT * 1000);
}
private void OnCallResponseReceived(IAsyncResult ar)
{
ActionCallState state = (ActionCallState)ar.AsyncState;
lock (_cpData.SyncObj)
_pendingCalls.Remove(state);
HttpWebResponse response = null;
Stream body = null;
try
{
Encoding contentEncoding;
try
{
response = (HttpWebResponse)state.Request.EndGetResponse(ar);
body = CompressionHelper.Decompress(response);
string mediaType;
if (!EncodingUtils.TryParseContentTypeEncoding(response.ContentType, Encoding.UTF8, out mediaType, out contentEncoding) ||
mediaType != "text/xml")
{
SOAPHandler.ActionFailed(state.Action, state.ClientState, "Invalid content type");
return;
}
}
catch (WebException e)
{
response = (HttpWebResponse)e.Response;
if (response == null)
{
SOAPHandler.ActionFailed(state.Action, state.ClientState, string.Format("Network error when invoking action '{0}': {1}", state.Action.Name, e.Message));
}
else if (response.StatusCode == HttpStatusCode.InternalServerError)
{
string mediaType;
if (!EncodingUtils.TryParseContentTypeEncoding(response.ContentType, Encoding.UTF8, out mediaType, out contentEncoding) ||
mediaType != "text/xml")
{
SOAPHandler.ActionFailed(state.Action, state.ClientState, "Invalid content type");
return;
}
using (TextReader reader = new StreamReader(response.GetResponseStream(), contentEncoding))
SOAPHandler.HandleErrorResult(reader, state.Action, state.ClientState);
}
else
{
SOAPHandler.ActionFailed(state.Action, state.ClientState, string.Format("Network error {0} when invoking action '{1}'", response.StatusCode, state.Action.Name));
}
return;
}
UPnPVersion uPnPVersion;
lock (_cpData.SyncObj)
uPnPVersion = _rootDescriptor.SSDPRootEntry.UPnPVersion;
SOAPHandler.HandleResult(body, contentEncoding, state.Action, state.ClientState, uPnPVersion);
}
finally
{
if (body != null)
{
body.Dispose();
}
if (response != null)
{
response.Close();
}
}
}
internal void OnActionCalled(CpAction action, IList<object> inParams, object clientState)
{
if (!action.IsConnected)
throw new UPnPDisconnectedException("Action '{0}' is not connected to a UPnP network action", action.FullQualifiedName);
CpService service = action.ParentService;
ServiceDescriptor sd = GetServiceDescriptor(service);
string message = SOAPHandler.EncodeCall(action, inParams, _rootDescriptor.SSDPRootEntry.UPnPVersion);
HttpWebRequest request = CreateActionCallRequest(sd, action);
ActionCallState state = new ActionCallState(action, clientState, request);
state.SetRequestMessage(message);
lock (_cpData.SyncObj)
_pendingCalls.Add(state);
IAsyncResult result = state.Request.BeginGetResponse(OnCallResponseReceived, state);
NetworkHelper.AddTimeout(request, result, PENDING_ACTION_CALL_TIMEOUT * 1000);
}
