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//=============================================================================
/**
* @file INS_Locator.cpp
*
* $Id$
*
* @brief Implementation of the ImR's INS Locator class
*
* @author Darrell Brunsch <brunsch@cs.wustl.edu>
*/
//=============================================================================
#include "INS_Locator.h"
#include "ImR_Locator_i.h"
#include "tao/ORB_Constants.h"
INS_Locator::INS_Locator (ImR_Locator_i& loc)
: imr_locator_ (loc)
{
}
char *
INS_Locator::locate (const char* object_key)
{
ACE_ASSERT (object_key != 0);
try
{
ACE_CString key (object_key);
ssize_t poaidx = key.find ('/');
if (poaidx >= 0)
{
key = key.substring (0, poaidx);
}
if (imr_locator_.debug () > 1)
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("ImR: Activating server <%s>.\n"),
key.c_str ()));
CORBA::String_var located =
this->imr_locator_.activate_server_by_object (key.c_str ());
ACE_CString tmp = located.in ();
tmp += object_key;
if (imr_locator_.debug () > 0)
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("ImR: Forwarding invocation on <%s> to <%s>\n"),
key.c_str (), tmp.c_str()));
return CORBA::string_dup (tmp.c_str ());
}
catch (const ImplementationRepository::CannotActivate&)
{
throw CORBA::TRANSIENT (
CORBA::SystemException::_tao_minor_code (
TAO_IMPLREPO_MINOR_CODE,
0),
CORBA::COMPLETED_NO);
}
catch (const ImplementationRepository::NotFound&)
{
ACE_CString objkey (object_key);
// check to see if there are more slashes beyond the first one
ssize_t poaidx2 = objkey.rfind ('/');
ssize_t poaidx1 = objkey.find ('/');
if (poaidx1 <= 0 || poaidx2 <= 0 || poaidx1 == poaidx2)
{
throw CORBA::TRANSIENT (
CORBA::SystemException::_tao_minor_code (
TAO_IMPLREPO_MINOR_CODE,
0),
CORBA::COMPLETED_NO);
}
// remove the data field beyond the last delimiter
// which is assumed to be the object id.
ACE_CString key2 = objkey.substring(0, poaidx2);
while (poaidx2 > poaidx1)
{
try
{
if (imr_locator_.debug () > 1)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("ImR: Try activating server using <%s>.\n"),
key2.c_str ()));
}
CORBA::String_var located =
this->imr_locator_.activate_server_by_object (key2.c_str ());
ACE_CString tmp = located.in ();
tmp += object_key;
if (imr_locator_.debug () > 0)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("ImR: Forwarding invocation on <%s> ")
ACE_TEXT ("to <%s>\n"), key2.c_str (), tmp.c_str()));
}
return CORBA::string_dup (tmp.c_str ());
}
catch (const ImplementationRepository::CannotActivate&)
{
throw CORBA::TRANSIENT (
CORBA::SystemException::_tao_minor_code (
TAO_IMPLREPO_MINOR_CODE,
0),
CORBA::COMPLETED_NO);
}
catch (const ImplementationRepository::NotFound&)
{
poaidx2 = key2.rfind ('/');
if (poaidx2 > poaidx1)
{
// continue to try again
key2 = key2.substring(0, poaidx2);
continue;
}
else
{
break;
}
}
} // while()
// No match is found
throw CORBA::TRANSIENT (CORBA::SystemException::_tao_minor_code (
TAO_IMPLREPO_MINOR_CODE,
0),
CORBA::COMPLETED_NO);
}
}
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