/**
 * @file HelloWorldClient.c
 *
 * Calls a HelloWorld object.
 */

#include <stdio.h>
#include "VMCFCoreImpl.h"

/* Include the IDL-generated interface header file. */
#include "HelloWorld.h"


int
main(int argc,
     char **argv)
{
   CORBA_Environment lenv = { CORBA_NO_EXCEPTION };
   HelloWorld_Greetings obj = CORBA_OBJECT_NIL;
   CORBA_string objName = NULL;

   if (argc < 3) {
      fprintf(stderr,
              "Syntax: %s <IOR string or corbaloc URL> <user's name>\n"
              "Where:\n"
              "- <IOR string> is the 'IOR:'-prefixed string printed out by "
              "the server,\n  including the 'IOR:' prefix.\n\n"
              "- <corbaloc URL> is of one of the forms:\n"
              "    'corbaloc:iiop:<ip_address>:<port>/<object name>'\n"
              "    'corbaloc:viop:<vmci context id>:<port>/<object name>'\n"
              "  with <object name> as defined by the instantiating server\n"
              "  (in this example, the object name is 'HelloWorld').\n\n"
              "  Note that, in the latter case, the server must have been\n"
              "  started with the '--bind' option.\n\n"
              "- <user's name> is an arbitraty string, e.g., jane\n\n",
              *argv);
      return 1;
   }

   /* One-time runtime initialization. */
   if (!VMCFCoreImpl_init(CORBA_FALSE, NULL)) {
      printf("VMCFCoreImpl_init failed\n");
      return 2;
   }

   /* Remember to initialize IDL module before making invocations. */
   HelloWorld__Initialize();

   do {
      /* Obtain object from the IOR string. */
      obj = CORBA_ORB_string_to_object(VMCFCoreImpl_getORB(),
                                       *(argv+1), &lenv);
      VMCF_BREAK_ON_EXCEPTION(&lenv);

      /* Test inheritance: call CFObject's attribute getter. */
      objName = VMCFCore_CFObject__get_name(obj, &lenv);
      VMCF_BREAK_ON_EXCEPTION(&lenv);
      printf("Object's name is: %s\n", objName);
      CORBA_free(objName);

      /* Call the object's 'hello' method. */
      HelloWorld_Greetings_hello(obj, *(argv+2), &lenv);
      VMCF_BREAK_ON_EXCEPTION(&lenv);
   } while (0);
   if (VMCF_EXCEPTION_RAISED(&lenv)) {
      printf("Exception raised: %s\n", CORBA_exception_id(&lenv));
      CORBA_exception_free(&lenv);
   }

   if (obj) {
      /* Properly release the object. */
      CORBA_Object_release(obj, &lenv);
      CORBA_exception_free(&lenv);
   }

   return 0;
}