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List:       mico-devel
Subject:    Creating a CORBA server which is also a client.
From:       Suven Pillay <pillay.suven () columbus ! co ! za>
Date:       2000-09-20 12:18:39
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Hello all.

I am having some difficulty with developing a CORBA server which is
actually a CORBA client 

In the implementation file of the object I have #included the .h file
created by the idl command and also the class_impl.h of the class I am
implementing.

The idl file looks as below :
/*THIS IDL FILE IS USED FOR TESTING THE  MIDDLEWARE ACCESS MODULE*/

/*SERVER AND CLIENT*/
interface stocklist
{
 //This function needs to call the authen function listed as part of the
interface authenobj
 long updatesometable();
};

/*SERVER ONLY*/
interface authentobj
{
 long getaccess(in string
si_username,out string so_dbname, out string so_dbpwd);
 void authen();
};

The "long updatesometable()" of the first interface needs to call the "void
authen()" of the second interface.


I have successfuly implemented both servers independantly and with out the
interaction and have tested it with a dedicated client and a combined
client to each server.

In order to get the interactin between the two interfaces I have changed
the implementation of the stocklist interface to look as below :

#include "stocklist_impl.h"
#include "uamtest.h" 
#include
"iostream.h"

CORBA::Long stocklist_impl :: updatesometable()
{
 int argc =
0;
 char **argv={0};

 cout<<"In the updatesometable function of the
stocklist object!"<<endl;
 cout<<"Gonna try and call authen function of
authentication objcet!"<<endl;
 
 //Init the orb abd boa for the call the the authentication object 

CORBA::ORB_var orb = CORBA::ORB_init(argc,argv,"mico-local-orb");

cout<<"Have init. the orb"<<endl;
 CORBA::BOA_var boa =
CORBA::BOA_init(argc,argv,"mico-local-boa");
 cout<<"Have init. the boa
orb"<<endl;

 CORBA::Object_var obj =
orb->bind("IDL:authentobj:1.0","inet:CSSD3:9004");
 cout<<"Trying to bind
to the authent object"<<endl;

 if (CORBA::is_nil(obj))
{
 cout<<"The
authentication obj is currently nil"<<endl;
}
else
{
 authentobj_var
clientauth = authentobj::_narrow(clientauth);
 cout<<"Gonna try to call the
authen member function of the authentication object"<<endl;

clientauth->authen();
}
 
cout<<"Attempting to update some
table!"<<endl;
return 1;
};


The ERROR I get when I try to compile this
implementation call is the following :

"stocklist_impl.cc", line 14: Warning: orb hides CORBA::Object::orb.
"stocklist_impl.cc", line 16: Error: BOA_init is not a member of CORBA.
1 Error(s) and 1 Warning(s) detected.

By the way I am compiling on Sun Sparc running Solaris 4.2

Please help!

Thanks in advance.

Suven Pillay		     
Information Systems          
Columbus Stainless		         

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