protected override Response ForwardRequest(Request incomingCoapRequest)
{
// check the invariant: the request must have the proxy-uri set
if (!incomingCoapRequest.HasOption(OptionType.ProxyUri))
{
if (log.IsWarnEnabled)
log.Warn("Proxy-uri option not set.");
return new Response(StatusCode.BadOption);
}
// remove the fake uri-path
incomingCoapRequest.RemoveOptions(OptionType.UriPath); // HACK
// get the proxy-uri set in the incoming coap request
Uri proxyUri;
try
{
proxyUri = incomingCoapRequest.ProxyUri;
}
catch (UriFormatException e)
{
if (log.IsWarnEnabled)
log.Warn("Proxy-uri option malformed: " + e.Message);
return new Response(StatusCode.BadOption);
}
WebRequest httpRequest = null;
try
{
httpRequest = HttpTranslator.GetHttpRequest(incomingCoapRequest);
}
catch (TranslationException e)
{
if (log.IsWarnEnabled)
log.Warn("Problems during the http/coap translation: " + e.Message);
return new Response(StatusCode.BadGateway);
}
HttpWebResponse httpResponse = (HttpWebResponse)httpRequest.GetResponse();
DateTime timestamp = DateTime.Now;
try
{
Response coapResponse = HttpTranslator.GetCoapResponse(httpResponse, incomingCoapRequest);
coapResponse.Timestamp = timestamp;
return coapResponse;
}
catch (TranslationException e)
{
if (log.IsWarnEnabled)
log.Warn("Problems during the http/coap translation: " + e.Message);
return new Response(StatusCode.BadGateway);
}
}