Marco

#include <Wt/WServer>
#include <Wt/WResource>
#include <Wt/WApplication>
#include <Wt/WContainerWidget>
#include <Wt/Http/Response>

#include <Wt/WVBoxLayout>
#include <Wt/WText>


using namespace Wt;




class MyResource : public Wt::WResource
{

public:
  MyResource (Wt::WObject *parent = nullptr);
  ~MyResource ();

  void handleRequest (const Wt::Http::Request& request, Wt::Http::Response& response);
};

MyResource::MyResource (Wt::WObject *parent)
   : Wt::WResource(parent)
{
   suggestFileName("data.txt");
}

MyResource::~MyResource ()
{
   beingDeleted(); // see "Concurrency issues" below.
}

void MyResource::handleRequest(const Wt::Http::Request& request, Wt::Http::Response& response)
{
   response.setMimeType("plain/text");
   response.out() << "I am a text file." << std::endl;
}







class WtTest : public Wt::WApplication {

public:
   WtTest (const Wt::WEnvironment &environment);
   virtual ~WtTest ();

   static WtTest* CreateInstance (const Wt::WEnvironment &environment);
};

WtTest::WtTest (const Wt::WEnvironment &environment)
   : Wt::WApplication(environment)
{
   auto layout = new WVBoxLayout(root());
   layout->addWidget(new WText("Hallo Welt"));
   layout->addStretch(1);
}

WtTest::~WtTest()
{
}

WtTest* WtTest::CreateInstance (const Wt::WEnvironment &environment)
{
   return new WtTest(environment);
}









// --http-address=0.0.0.0 --http-port=80 --docroot=.
int main (int argc, char** argv)
{
   WServer wserver(argc, argv);
   wserver.addEntryPoint(Wt::Application, &WtTest::CreateInstance);

   // without this 2 lines its not crashing...
   MyResource res1;
   wserver.addResource(&res1, "/res1");

   wserver.start();
   wserver.waitForShutdown();

   return 0;
}