public void GetCoapRequest_BadMethod()
{
HttpRequest http = new HttpRequest("FOOBAR /foo HTTP/1.1\n" + Host);
TranslationException e = Assert.Throws <TranslationException>(() =>
HttpTranslator.GetCoapRequest(http, "xx", true));
Assert.That(e.Message, Is.EqualTo("FOOBAR method not mapped"));
}
public void GetCoapRequest_SimpleForm2()
{
string proxyUri = "coaps://coap.example.com/resource";
HttpRequest http = new HttpRequest("GET /hc/?target=" + proxyUri + " HTTP/1.1\n" + Host);
Request req = HttpTranslator.GetCoapRequest(http, "hc/?target={+tu}", true);
Assert.That(req.Method, Is.EqualTo(Method.GET));
Assert.That(req.ProxyUri.ToString(), Is.EqualTo(proxyUri));
}
/// <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));
}
}
public void GetCoapRequest_SimpleForm()
{
HttpRequest http;
string proxyUri = "coap://coap.example.com/resource";
http = new HttpRequest("GET /hc/" + proxyUri + " HTTP/1.1\n" + Host);
Request req = HttpTranslator.GetCoapRequest(http, "hc/{+tu}", true);
Assert.That(req.Method, Is.EqualTo(Method.GET));
Assert.That(req.ProxyUri.ToString(), Is.EqualTo(proxyUri));
proxyUri = "//coap.example.com/resource";
http = new HttpRequest("GET /hc/" + proxyUri + " HTTP/1.1\n" + Host);
TranslationException e = Assert.Throws <TranslationException>(() =>
HttpTranslator.GetCoapRequest(http, "hc/{+tu}", true));
Assert.That(e.Message, Is.EqualTo("Schema is required"));
proxyUri = "coap://coap.example.com/?query=1";
http = new HttpRequest("GET /hc/" + proxyUri + " HTTP/1.1\n" + Host);
req = HttpTranslator.GetCoapRequest(http, "hc/{+tu}", true);
Assert.That(req.Method, Is.EqualTo(Method.GET));
Assert.That(req.ProxyUri.ToString(), Is.EqualTo(proxyUri));
proxyUri = "coap://coap.example.com/resource?query=1";
http = new HttpRequest("GET /hc/" + proxyUri + " HTTP/1.1\n" + Host);
req = HttpTranslator.GetCoapRequest(http, "hc/{+tu}", true);
Assert.That(req.Method, Is.EqualTo(Method.GET));
Assert.That(req.ProxyUri.ToString(), Is.EqualTo(proxyUri));
proxyUri = "coap://coap.example.com:5848/resource";
http = new HttpRequest("GET /hc/" + proxyUri + " HTTP/1.1\n" + Host);
req = HttpTranslator.GetCoapRequest(http, "hc/{+tu}", true);
Assert.That(req.Method, Is.EqualTo(Method.GET));
Assert.That(req.ProxyUri.ToString(), Is.EqualTo(proxyUri));
}
private CoapDotNetHttpResponse Proxy(CoapDotNetHttpRequest request, Uri coapUri)
{
var coapRequest = HttpTranslator.GetCoapRequest(request, Request.Url.SiteBase, true);
coapRequest.URI = coapUri;
//Setup response handler
Response response = null;
EventHandler <ResponseEventArgs> responseHandler = null;
responseHandler = (_, e) =>
{
response = e.Response;
coapRequest.Respond -= responseHandler;
};
coapRequest.Respond += responseHandler;
//send request
coapRequest.Send();
DateTime start = DateTime.Now;
// ReSharper disable once LoopVariableIsNeverChangedInsideLoop
while (response == null && (DateTime.Now - start).TotalSeconds < 30)
{
Thread.Sleep(1);
}
if (response == null)
{
return(null);
}
//Turn COAP response into HTTP response
var httpResponse = new CoapDotNetHttpResponse {
MaxAge = response.MaxAge
};
HttpTranslator.GetHttpResponse(request, response, httpResponse);
return(httpResponse);
}
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));
}
}
public void Process(IHttpRequest httpRequest, IHttpResponse httpResponse)
{
Request coapRequest = HttpTranslator.GetCoapRequest(httpRequest, _localResource, _proxyingEnabled);
}