I need to use Wt::WApplication from a standalone function:
In Configuration.C in need to change docRoot based on the URL (see
http://redmine.emweb.be/issues/3404):
void Configuration::readOptions(const po::variables_map& vm)
{
if (vm.count("docroot"))
{
docRoot_ = vm["docroot"].as<std::string>();
std::string myCDR;
// Get host Name
// const Wt::WEnvironment& env = new Wt::WEnvironment(); // is protected, so
you can not do this
Wt::WApplication *app = new Wt::WApplication(env);
Wt::WApplication *app = Wt::WApplication::instance();
both of these cause segment fault
did not really get this far, since it crashed before even getting here
MyApplication* myapp = boost::polymorphic_downcast(app);
I want to change the docRoot based on the URL
std::string domainName = app->environment().hostName().c_str();
// Remove Port if it exist
unsigned pos = domainName.find(":");
if (pos > 0)
domainName = domainName.substr(0, pos);
// Now do a look up
if (!Wt::WApplication::readConfigurationProperty("customDocRoot-" +
domainName, myCDR))
Wt::log("error") << "WApplication::docRoot() readConfigurationProperty not
found customDocRoot-" << domainName << " in wt_config.xml";
if (!myCDR.empty())
docRoot_ = myCDR.c_str();
Since all I really need is a way to get the domainName and read from wt_config,
there might be other options.
***
Another example I never got to work is here
In BlogRSSFeed.C constructor, I need to change the messageResourceBundle, ever
attempt I make crashes with segment fault:
const Wt::WEnvironment& env = Wt::WApplication::instance()->environment(); //
segment fault WEnvironment& WApplication::env()
Wt::WApplication *app = new Wt::WApplication(env);
or
Wt::WApplication* app = Wt::WApplication::instance(); // segment fault
Wt::WApplication::UpdateLock lock(app); // Wt::WApplication::instance() ~
segment fault in UpdateLock: impl_ = new UpdateLockImpl(app);
if (lock) {
app->messageResourceBundle().use(myDomainPath[domainName] +
"app_root/ww-home", false);
}
I actually thought that maybe I could something like this:
server.addResource(&rssFeed, "/" + rootPrefix + "en/blog/feed/");
server.addResource(&rssFeed, "/" + rootPrefix + "cn/blog/feed/");
server.addResource(&rssFeed, "/" + rootPrefix + "ru/blog/feed/");
then just change the links in the app, or use a cookie to read what language it
is, not sure what is best,
cookies are not so good, but I need a way to know what language they want,
which is not necessarily the default browsers language.
I am sure that there is a way to do this, Boris gave me a good description of
how to go about doing this,
but he is making me feel stupid, because ever way I try it, it still crashes.
I am stuck, and I really need to find a way to do this, I need an example that
does not produce a segment fault in these functions,
everyone says its easy, no problem just do this, well all I get is crashes, I
am sure once I see the right way of doing it,
it will then click in, but until then, I am stuck.
Thanks
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