/// <summary>
/// Code to do the mapping and send out the request to an http server
/// </summary>
/// <param name="incomingCoapRequest">request to be mapped</param>
/// <returns>response to return</returns>
protected override Response ForwardRequest(Request incomingCoapRequest)
{
// check the invariant: the request must have the proxy-uri set
if (!incomingCoapRequest.HasOption(OptionType.ProxyUri))
{
_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) {
_Log.Warn(m => m("Proxy-uri option malformed: {0}", e.Message));
return(new Response(StatusCode.BadOption));
}
WebRequest httpRequest;
try {
httpRequest = HttpTranslator.GetHttpRequest(incomingCoapRequest);
}
catch (TranslationException e) {
_Log.Warn(m => m("Problems during the http/coap translation: {0}", 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) {
_Log.Warn(m => m("Problems during the http/coap translation: {0}", e.Message));
return(new Response(StatusCode.BadGateway));
}
}
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(Code.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(Code.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(Code.BadGateway));
}
// accept the request sending a separate response to avoid the timeout
// in the requesting client
incomingCoapRequest.Accept();
HttpWebResponse httpResponse = (HttpWebResponse)httpRequest.GetResponse();
Int64 timestamp = DateTime.Now.Ticks;
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(Code.BadGateway));
}
}