apps/tutorials/vostut7client.cc

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/* Seventh VOS tutorial.  Creating your own MetaObjects

   This tutorial covers:
   - Accessing our hello object remotely

   This file (vostut7client.cc) is released into the public domain.  No
   restrictions are placed on its use, distribution or inclusion into
   other works.
*/

#include "vostut7hello.hh"

int main(int argc, char** argv)
{
    Hello::registerExtenders();

    LocalSocketSite site(&NoAccessControl::static_);

    try {
        /* Use a path from the command line (or the default). */
        string siteurl;
        if(argc > 1) siteurl = argv[1];
        else siteurl = "vop://localhost:4231";

        LOG("helloclient", 1, "Acquiring remote object at " << siteurl);

        vRef<Vobject> v = Vobject::findObjectFromRoot(siteurl + "/hello");

        Hello& h = MetaObject::meta_cast<Hello&>(*v);

         LOG("helloclient", 1, "Saying 'Good day to you sir.'");

         // Call the hello method.  From the application's point of
         // view, it doesn't matter that it's a remote object.
         // Everything happens behind the scenes.

         string s = h.hello("Good day to you sir.");

         LOG("helloclient", 1, "Got back: '" << s << "'");

    } catch(Vobject::NoSuchObjectError x){
        LOG("helloclient", 1, "NoSuchObjectError " << x.what());
    } catch(Vobject::NoSuchSiteError x){
        LOG("helloclient", 1, "NoSuchSiteError " << x.what());
    } catch(Vobject::AccessControlError x){
        LOG("helloclient", 1, "AccessControlError " << x.what());
    } catch(Vobject::RemoteError x){
        LOG("helloclient", 1, "RemoteError " << x.what());
    } catch(URL::BadURLError x){
        LOG("helloclient", 1, "BadURLError " << x.what());
    } catch(bad_cast){
        LOG("helloclient", 1, "Bad cast");
    }
    return 0;
}

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