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// $Id$
#include "tao/Policy_Set.h"
#include "tao/debug.h"
#if !defined (__ACE_INLINE__)
# include "tao/Policy_Set.i"
#endif /* ! __ACE_INLINE__ */
ACE_RCSID(tao, Policy_Set, "$Id$")
TAO_Policy_Set::~TAO_Policy_Set (void)
{
ACE_DECLARE_NEW_CORBA_ENV;
ACE_TRY
{
this->cleanup_i (ACE_TRY_ENV);
ACE_TRY_CHECK;
}
ACE_CATCHANY
{
// Ignore exceptions...
}
ACE_ENDTRY;
}
TAO_Policy_Set::TAO_Policy_Set (const TAO_Policy_Set &rhs)
:
scope_ (rhs.scope_)
{
// Initialize the cache.
for (int i = 0; i < TAO_CACHED_POLICY_MAX_CACHED; i++)
this->cached_policies_[i] = 0;
// Copy over the policy list.
this->policy_list_.length (rhs.policy_list_.length ());
ACE_TRY_NEW_ENV
{
for (CORBA::ULong i = 0;
i < rhs.policy_list_.length ();
++i)
{
CORBA::Policy_ptr policy = rhs.policy_list_[i];
if (CORBA::is_nil (policy))
continue;
CORBA::Policy_var copy = policy->copy (ACE_TRY_ENV);
ACE_CHECK;
// Add the "cacheable" policies into the cache.
if (copy->_tao_cached_type () != TAO_CACHED_POLICY_UNCACHED)
this->cached_policies_[copy->_tao_cached_type ()] = copy.ptr ();
this->policy_list_[i] = copy._retn ();
}
ACE_TRY_CHECK;
}
ACE_CATCHANY
{
if (TAO_debug_level > 4)
ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION,
"TAO_Policy_Set::TAO_Policy_Set");
// "Try" to make this recoverable as we must have run out of memory.
this->policy_list_.length (0);
}
ACE_ENDTRY;
}
void
TAO_Policy_Set::copy_from (TAO_Policy_Set *source,
CORBA::Environment &ACE_TRY_ENV)
{
if (source == 0)
return;
this->cleanup_i (ACE_TRY_ENV);
ACE_CHECK;
for (CORBA::ULong i = 0;
i < source->policy_list_.length ();
++i)
{
CORBA::Policy_ptr policy = source->policy_list_[i];
if (CORBA::is_nil (policy))
continue;
if (! this->compatible_scope (policy->_tao_scope()))
ACE_THROW (CORBA::NO_PERMISSION ());
CORBA::Policy_var copy = policy->copy (ACE_TRY_ENV);
ACE_CHECK;
CORBA::ULong length = this->policy_list_.length ();
this->policy_list_.length (length + 1);
// Add the "cacheable" policies into the cache.
if (copy->_tao_cached_type () != TAO_CACHED_POLICY_UNCACHED)
this->cached_policies_[copy->_tao_cached_type ()] = copy.ptr ();
this->policy_list_[length] = copy._retn ();
}
}
void
TAO_Policy_Set::cleanup_i (CORBA::Environment &ACE_TRY_ENV)
{
CORBA::ULong i;
// Cleanup the policy list.
for (i = 0;
i < this->policy_list_.length ();
++i)
{
this->policy_list_[i]->destroy (ACE_TRY_ENV);
ACE_CHECK;
this->policy_list_[i] = CORBA::Policy::_nil ();
}
this->policy_list_.length (0);
// Cleanup the cache.
for (i = 0; i < TAO_CACHED_POLICY_MAX_CACHED; i++)
this->cached_policies_[i] = 0;
}
// @@ !!! Add comments regarding Policy lifetimes, etc.
void
TAO_Policy_Set::set_policy_overrides (
const CORBA::PolicyList &policies,
CORBA::SetOverrideType set_add,
CORBA::Environment &ACE_TRY_ENV)
{
// @@ The spec does not say what to do on this case.
if (set_add != CORBA::SET_OVERRIDE
&& set_add != CORBA::ADD_OVERRIDE)
ACE_THROW (CORBA::BAD_PARAM ());
if (set_add == CORBA::SET_OVERRIDE)
{
this->cleanup_i (ACE_TRY_ENV);
ACE_CHECK;
}
// Flag, indicating whether we have already overridden
// RTCORBA::ServerProtocolPolicy during this call.
int server_protocol_set = 0;
for (CORBA::ULong i = 0; i < policies.length (); ++i)
{
// Because MSVC 5 has a bug, we had to replace
// a simple CORBA::Policy_var policy = policies[i];
// with the following.
CORBA::Policy_ptr temp = policies[i];
CORBA::Policy_var policy = CORBA::Policy::_duplicate (temp);
if (CORBA::is_nil (policy.in ()))
continue;
CORBA::PolicyType policy_type = policy->policy_type (ACE_TRY_ENV);
ACE_CHECK;
if (policy_type == TAO_RT_SERVER_PROTOCOL_POLICY_TYPE)
{
// Only one ServerProtocolPolicy should be included in a
// given PolicyList (section 4.15.2 of RTCORBA 1.0, i.e.,
// ptc/99-05-03).
// User-caused exceptional conditions can leave the Policy
// Manager in an inconsistent state. It is the
// responsibility of the user to return it to consistent state.
if (server_protocol_set != 0)
ACE_THROW (CORBA::INV_POLICY ());
server_protocol_set = 1;
}
this->set_policy (policy.in (), ACE_TRY_ENV);
ACE_CHECK;
}
}
void
TAO_Policy_Set::set_policy (const CORBA::Policy_ptr policy,
CORBA::Environment &ACE_TRY_ENV)
{
if (! this->compatible_scope (policy->_tao_scope()))
ACE_THROW (CORBA::NO_PERMISSION ());
CORBA::PolicyType policy_type = policy->policy_type (ACE_TRY_ENV);
ACE_CHECK;
CORBA::Policy_var copy = policy->copy (ACE_TRY_ENV);
ACE_CHECK;
CORBA::ULong j = 0;
CORBA::ULong length = this->policy_list_.length ();
while (j != length)
{
CORBA::ULong current =
this->policy_list_[j]->policy_type (ACE_TRY_ENV);
ACE_CHECK;
if (current == policy_type)
{
this->policy_list_[j]->destroy (ACE_TRY_ENV);
ACE_CHECK;
this->policy_list_[j] = copy.ptr ();
break;
}
++j;
}
if (j == length)
{
this->policy_list_.length (length + 1);
this->policy_list_[j] = copy.ptr ();
}
// If this is a policy that gets accessed on the critical path,
// save a pointer to it in the cache.
TAO_Cached_Policy_Type cached_policy_type = policy->_tao_cached_type ();
if (cached_policy_type != TAO_CACHED_POLICY_UNCACHED)
this->cached_policies_[cached_policy_type] = copy.ptr ();
// Transfer ownership to the policy list.
(void) copy._retn ();
}
CORBA::PolicyList *
TAO_Policy_Set::get_policy_overrides (
const CORBA::PolicyTypeSeq &types,
CORBA::Environment &ACE_TRY_ENV)
{
CORBA::ULong types_length = types.length ();
CORBA::ULong slots = types_length;
CORBA::PolicyList *policy_list_ptr;
if (slots == 0)
{
slots = this->policy_list_.length ();
ACE_NEW_THROW_EX (policy_list_ptr,
CORBA::PolicyList (slots),
CORBA::NO_MEMORY ());
ACE_CHECK_RETURN (0);
*policy_list_ptr = this->policy_list_;
return policy_list_ptr;
}
ACE_NEW_THROW_EX (policy_list_ptr,
CORBA::PolicyList (slots),
CORBA::NO_MEMORY ());
ACE_CHECK_RETURN (0);
CORBA::PolicyList_var policy_list (policy_list_ptr);
policy_list->length (slots);
CORBA::ULong n = 0;
for (CORBA::ULong j = 0; j < types.length (); ++j)
{
CORBA::ULong slot = types[j];
CORBA::ULong length = this->policy_list_.length ();
for (CORBA::ULong i = 0;
i != length;
++i)
{
CORBA::ULong current =
this->policy_list_[i]->policy_type (ACE_TRY_ENV);
ACE_CHECK_RETURN (0);
if (current != slot)
continue;
policy_list[n++] =
CORBA::Policy::_duplicate (this->policy_list_[i].in ());
break;
}
}
policy_list->length (n);
return policy_list._retn ();
}
CORBA::Policy_ptr
TAO_Policy_Set::get_policy (CORBA::PolicyType type,
CORBA::Environment &ACE_TRY_ENV)
{
CORBA::ULong length = this->policy_list_.length ();
for (CORBA::ULong i = 0;
i != length;
++i)
{
CORBA::ULong current =
this->policy_list_[i]->policy_type (ACE_TRY_ENV);
ACE_CHECK_RETURN (0);
if (current != type)
continue;
return CORBA::Policy::_duplicate (this->policy_list_[i].in ());
}
return CORBA::Policy::_nil ();
}
CORBA::Policy_ptr
TAO_Policy_Set::get_cached_const_policy (TAO_Cached_Policy_Type type) const
{
if (type != TAO_CACHED_POLICY_UNCACHED && type < TAO_CACHED_POLICY_MAX_CACHED)
return this->cached_policies_[type];
return CORBA::Policy::_nil ();
}
CORBA::Policy_ptr
TAO_Policy_Set::get_cached_policy (TAO_Cached_Policy_Type type)
{
if (type != TAO_CACHED_POLICY_UNCACHED && type < TAO_CACHED_POLICY_MAX_CACHED)
return CORBA::Policy::_duplicate (this->cached_policies_[type]);
return CORBA::Policy::_nil ();
}
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