/// <summary>
/// Given a request - forward it
/// </summary>
/// <param name="incomingRequest">request to proxy</param>
/// <returns>response back to requester</returns>
protected override Response ForwardRequest(Request incomingRequest)
{
// check the invariant: the request must have the proxy-uri set
if (!incomingRequest.HasOption(OptionType.ProxyUri)) {
_Log.Warn("Proxy-uri option not set.");
return new Response(StatusCode.BadOption);
}
// create a new request to forward to the requested coap server
Request outgoingRequest;
try {
outgoingRequest = CoapTranslator.GetRequest(incomingRequest);
outgoingRequest.Send();
}
catch (TranslationException ex) {
_Log.Warn(m => m("Proxy-uri option malformed: {0}", ex.Message));
return new Response(StatusCode.BadOption);
}
catch (System.IO.IOException ex) {
_Log.Warn(m => m("Failed to execute request: {0}", ex.Message));
return new Response(StatusCode.InternalServerError);
}
// receive the response
Response receivedResponse;
try {
// M00BUG - Should time out on this and we don't right now.
receivedResponse = outgoingRequest.WaitForResponse();
}
catch (System.Threading.ThreadInterruptedException ex) {
_Log.Warn(m => m("Receiving of response interrupted: {0}", ex.Message));
return new Response(StatusCode.InternalServerError);
}
if (receivedResponse == null) {
return new Response(StatusCode.GatewayTimeout);
}
// create the real response for the original request
Response outgoingResponse = CoapTranslator.GetResponse(receivedResponse);
return outgoingResponse;
}
protected override Response ForwardRequest(Request incomingRequest)
{
// check the invariant: the request must have the proxy-uri set
if (!incomingRequest.HasOption(OptionType.ProxyUri))
{
if (log.IsWarnEnabled)
{
log.Warn("Proxy-uri option not set.");
}
return(new Response(Code.BadOption));
}
// remove the fake uri-path
// FIXME: HACK
incomingRequest.RemoveOptions(OptionType.UriPath);
// create a new request to forward to the requested coap server
Request outgoingRequest = null;
try
{
outgoingRequest = CoapTranslator.GetRequest(incomingRequest);
outgoingRequest.ResponseQueueEnabled = true;
outgoingRequest.Token = TokenManager.Instance.AcquireToken();
outgoingRequest.Execute();
incomingRequest.Accept();
}
catch (TranslationException ex)
{
if (log.IsWarnEnabled)
{
log.Warn("Proxy-uri option malformed: " + ex.Message);
}
return(new Response(Code.BadOption));
}
catch (System.IO.IOException ex)
{
if (log.IsWarnEnabled)
{
log.Warn("Failed to execute request: " + ex.Message);
}
return(new Response(Code.InternalServerError));
}
// receive the response
Response receivedResponse;
try
{
receivedResponse = outgoingRequest.ReceiveResponse();
}
catch (System.Threading.ThreadInterruptedException ex)
{
if (log.IsWarnEnabled)
{
log.Warn("Receiving of response interrupted: " + ex.Message);
}
return(new Response(Code.InternalServerError));
}
if (receivedResponse == null)
{
return(new Response(Code.GatewayTimeout));
}
else
{
// create the real response for the original request
Response outgoingResponse = CoapTranslator.GetResponse(receivedResponse);
return(outgoingResponse);
}
}