[omniORB] Name Service

[Boris Khanales]

Sorry for this mail.
I have to take C++ lesson!



> From owner-omniorb-list@orl.co.uk Wed Apr 22 17:08 EDT 1998
> Date: Wed, 22 Apr 1998 15:11:36 -0400
> From: boris@mailhost.imagine-sw.com (Boris Khanales)
> To: omniorb-list@cam-orl.co.uk
> Subject: [omniORB] Name Service
> Mime-Version: 1.0
> Content-Transfer-Encoding: 7bit
> Content-Md5: 4mXKnSSTRd54MLtrxnXQ9g==
> 
> I'm rtying to use Name Service and looks like I can bind
> the object to NS OK, but when I'm trying to _narrow it
> after resolve on the client side I'm geting 
> COMMUNICATION_FAILE exception. If i write use object_to_string
> & string_to_object the client works. Any idea?
> 
> Thanx.
> 
> 
> 
> This is server side.
> 
> START_HERE()
> {
>     clService_ = new ImrDiServiceImpl( this );
>     clService_->_obj_is_ready( ItsOrbWrapper::getItsORB()->getBOA() );
> 
>     ImrDiService_var obj = clService_->_this();
>     // Register in Name Service
>     ItsOrbWrapper::getItsORB()->registerInImagineNS( 
>         
> const_cast<char*>(ImrProfile::getGlobalProfile()->getImrServerName().data()), 
> obj );
> }
> 
> 
> 
> void ItsOrbWrapper::registerInImagineNS( char *path, CORBA::Object_ptr obj )
> {
>     CosNaming::Name name;
>     CosNaming::NamingContext_var context = buildNSName( name, path );
>     try {
>         context->bind( name, obj );
>     }
>     catch( CosNaming::NamingContext::AlreadyBound& ex ) {
>         cout << "bind fail" << endl << "Trying to rebind" << endl;
>         context->rebind( name, obj );
>         cout << "rebind OK" << endl;
>     }
> }
> 
> 
> 
> CosNaming::NamingContext_var ItsOrbWrapper::buildNSName( CosNaming::Name 
&name, 
> char *path )
> {
>     CORBA::Object_var initServ = 
> orb_->resolve_initial_references("NameService");
>     CosNaming::NamingContext_var context = 
> CosNaming::NamingContext::_narrow(initServ);
>     if (CORBA::is_nil(context)) 
>         throw ItsExceptionBase( "Failed to narrow naming context." );
> 
>     name.length(1);
>     name[0].kind = (const char*) "ImagineDir";
> 
>     name[0].id = (char *) "ImagineSw";
>     RWCTokenizer next( path );
>     RWCString nextToken;
>     ItsBool found = ItsFalse;
> 
>     while( !(nextToken = next("/")).isNull() )
>     {
>         try {
>             cout << "resolve : " << name[0].id << endl;
>             CORBA::Object_var obj = context->resolve( name );
>             CosNaming::NamingContext_var context = 
> CosNaming::NamingContext::_narrow( obj );
>             if( !CORBA::is_nil(context) ) 
>             {
>                 cout << "resolve->_narrow : " << name[0].id << " OK" << endl;
>                 found = ItsTrue;
>             }
>             else 
>             {
>                 cout << "resolve->_narrow : " << name[0].id << " Fail. Trying 
> resolve" << endl;
>                 found = ItsFalse;
>             }
>         }
>         catch( ... ) {
>             cout << "resolve : " << name[0].id << " Fail. Trying resolve" << 
> endl;
>             found = ItsFalse;
>         }
>     
>         if( !found )
>         {
>             try {
>                 context = context->bind_new_context( name );
>                 cout << "bind_new_context : " << name[0].id << " OK" << endl;
>             }
>             catch( ... ) {
>                 cout << "bind_new_context : " << name[0].id << " Exception" << 
> endl;
>                 throw;
>             }
>         }
> 
>         name[0].id = CORBA::string_dup( nextToken );
>     }                
> 
> 
>     return context;
> }
>