Hi,
I’ve just received the Wifi module and after updating the Spider’s firmware and letting it deploy the Wifi module’s firmware at runtime I have hit a problem when trying an HttpRequest.
The module scans for and connects to my network fine, then inside the NetworkUp Event Handler I am trying to get an HttpResponse from a generic website like www.google.com.
I have tried HttpWebRequest, WebRequest and Gadgeteer.WebClient but they all throw the following exception:
#### Exception System.Net.Sockets.SocketException - CLR_E_FAIL (1) ####
#### Message:
#### Microsoft.SPOT.Net.SocketNative::getaddrinfo [IP: 0000] ####
#### System.Net.Dns::GetHostEntry [IP: 0008] ####
#### System.Net.HttpWebRequest::EstablishConnection [IP: 00e1] ####
#### System.Net.HttpWebRequest::SubmitRequest [IP: 0013] ####
#### System.Net.HttpWebRequest::GetResponse [IP: 000c] ####
#### WifiModule.Program::wifi_NetworkUp [IP: 0058] ####
#### Gadgeteer.Modules.Module+NetworkModule::OnNetworkEvent [IP: 004d] ####
#### System.Reflection.MethodBase::Invoke [IP: 0000] ####
#### Gadgeteer.Program::DoOperation [IP: 001a] ####
#### Microsoft.SPOT.Dispatcher::PushFrameImpl [IP: 004a] ####
#### Microsoft.SPOT.Dispatcher::PushFrame [IP: 001d] ####
#### Microsoft.SPOT.Dispatcher::Run [IP: 0006] ####
#### Gadgeteer.Program::Run [IP: 001c] ####
#### WifiModule.Program::Main [IP: 001a] ####
#### SocketException ErrorCode = -1
A first chance exception of type 'System.Net.Sockets.SocketException' occurred in Microsoft.SPOT.Net.dll
#### SocketException ErrorCode = -1
#### SocketException ErrorCode = -1
#### SocketException ErrorCode = -1
#### Exception System.Net.WebException - 0x00000000 (1) ####
#### Message: host not available
#### System.Net.HttpWebRequest::EstablishConnection [IP: 00f1] ####
#### System.Net.HttpWebRequest::SubmitRequest [IP: 0013] ####
#### System.Net.HttpWebRequest::GetResponse [IP: 000c] ####
#### WifiModule.Program::wifi_NetworkUp [IP: 0058] ####
#### Gadgeteer.Modules.Module+NetworkModule::OnNetworkEvent [IP: 004d] ####
#### System.Reflection.MethodBase::Invoke [IP: 0000] ####
#### Gadgeteer.Program::DoOperation [IP: 001a] ####
#### Microsoft.SPOT.Dispatcher::PushFrameImpl [IP: 004a] ####
#### Microsoft.SPOT.Dispatcher::PushFrame [IP: 001d] ####
#### Microsoft.SPOT.Dispatcher::Run [IP: 0006] ####
#### Gadgeteer.Program::Run [IP: 001c] ####
#### WifiModule.Program::Main [IP: 001a] ####
Am I using the API wrong? If not, can anyone see another problem with what I’m doing?
Thanks,
Poncho
Below are me 3 pieces of test code:
System.Net.HttpWebRequest req = new System.Net.HttpWebRequest();
req.RequestUri = "http://www.google.com";
req.GetResponse();
System.Net.WebRequest wr = System.Net.WebRequest.Create("http://www.google.com");
System.Net.WebResponse wre = wr.GetResponse();
HttpRequest req = WebClient.GetFromWeb("http://www.google.com");
req.ResponseReceived += new HttpRequest.ResponseHandler(req_ResponseReceived);