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// $Id$
#include "orbsvcs/Trader/Trader_Utils.h"
#include "ace/OS_NS_string.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
bool
operator== (CORBA::String_var const & lhs,
CORBA::String_var const & rhs)
{
return (ACE_OS::strcmp (lhs.in (), rhs.in ()) == 0);
}
TAO_Policy_Creator::TAO_Policy_Creator (int num_policies)
: policies_ (num_policies),
num_policies_ (0)
{
for (int i = 0; i < TAO_Policies::REQUEST_ID + 1; i++)
this->poltable_[i] = -1;
}
void
TAO_Policy_Creator::search_card (CORBA::ULong scard)
{
CosTrading::Policy& policy =
this->fetch_next_policy (TAO_Policies::SEARCH_CARD);
policy.value <<= scard;
}
void
TAO_Policy_Creator::match_card (CORBA::ULong mcard)
{
CosTrading::Policy& policy =
this->fetch_next_policy (TAO_Policies::MATCH_CARD);
policy.value <<= mcard;
}
void
TAO_Policy_Creator::return_card (CORBA::ULong rcard)
{
CosTrading::Policy& policy =
this->fetch_next_policy (TAO_Policies::RETURN_CARD);
policy.value <<= rcard;
}
void
TAO_Policy_Creator::use_modifiable_properties (CORBA::Boolean mod_props)
{
CosTrading::Policy& policy =
this->fetch_next_policy (TAO_Policies::USE_MODIFIABLE_PROPERTIES);
policy.value <<= CORBA::Any::from_boolean (mod_props);
}
void
TAO_Policy_Creator::use_dynamic_properties (CORBA::Boolean dyn_props)
{
CosTrading::Policy& policy =
this->fetch_next_policy (TAO_Policies::USE_DYNAMIC_PROPERTIES);
policy.value <<= CORBA::Any::from_boolean (dyn_props);
}
void
TAO_Policy_Creator::use_proxy_offers (CORBA::Boolean prox_offs)
{
CosTrading::Policy& policy =
this->fetch_next_policy (TAO_Policies::USE_PROXY_OFFERS);
policy.value <<= CORBA::Any::from_boolean (prox_offs);
}
void
TAO_Policy_Creator::starting_trader (const CosTrading::TraderName& name)
{
CosTrading::Policy& policy =
this->fetch_next_policy (TAO_Policies::STARTING_TRADER);
policy.value <<= name;
}
void
TAO_Policy_Creator::starting_trader (CosTrading::TraderName* name)
{
CosTrading::Policy& policy =
this->fetch_next_policy (TAO_Policies::STARTING_TRADER);
policy.value <<= name;
}
void
TAO_Policy_Creator::
link_follow_rule (CosTrading::FollowOption follow_option)
{
CosTrading::Policy& policy =
this->fetch_next_policy (TAO_Policies::LINK_FOLLOW_RULE);
policy.value <<= follow_option;
}
void
TAO_Policy_Creator::hop_count (CORBA::ULong hop_count)
{
CosTrading::Policy& policy =
this->fetch_next_policy (TAO_Policies::HOP_COUNT);
policy.value <<= hop_count;
}
void
TAO_Policy_Creator::exact_type_match (CORBA::Boolean exact_type)
{
CosTrading::Policy& policy =
this->fetch_next_policy (TAO_Policies::EXACT_TYPE_MATCH);
policy.value <<= CORBA::Any::from_boolean (exact_type);
}
void
TAO_Policy_Creator::request_id (const CosTrading::Admin::OctetSeq& request_id)
{
CosTrading::Policy& policy =
this->fetch_next_policy (TAO_Policies::REQUEST_ID);
policy.value <<= request_id;
}
TAO_Policy_Creator::operator const CosTrading::PolicySeq& (void) const
{
return this->policies_;
}
const CosTrading::PolicySeq&
TAO_Policy_Creator::policy_seq (void) const
{
return this->policies_;
}
CosTrading::Policy&
TAO_Policy_Creator::fetch_next_policy (TAO_Policies::POLICY_TYPE pol_type)
{
CORBA::ULong index = 0;
if (this->poltable_[pol_type] == -1)
{
// Expand the policy sequence, and copy in the policy name into
// the new element.
CORBA::ULong length = this->policies_.length ();
this->num_policies_++;
if (length < this->num_policies_)
this->policies_.length (this->num_policies_);
index = this->num_policies_ - 1;
// Ensure the starting trader policy gets the first slot.
if (pol_type != TAO_Policies::STARTING_TRADER
|| index == 0)
{
this->policies_[index].name = TAO_Policies::POLICY_NAMES[pol_type];
this->poltable_[pol_type] = index;
}
else
{
// Copy the element in the first slot to the newly
// allocated slot.
TAO_Policies::POLICY_TYPE occupying_policy =
TAO_Policies::STARTING_TRADER;
for (CORBA::ULong i = 0; i < this->num_policies_ - 1; i++)
{
if (this->poltable_[i] == 0)
{
occupying_policy =
static_cast<TAO_Policies::POLICY_TYPE> (i);
break;
}
}
this->poltable_[occupying_policy] = index;
this->poltable_[TAO_Policies::STARTING_TRADER] = 0;
this->policies_[index].name =
TAO_Policies::POLICY_NAMES[occupying_policy];
this->policies_[index].value = this->policies_[0].value;
this->policies_[0].name =
TAO_Policies::POLICY_NAMES[TAO_Policies::STARTING_TRADER];
index = 0;
}
}
else
index = this->poltable_[pol_type];
return this->policies_[index];
}
// Constructor
TAO_Property_Evaluator::
TAO_Property_Evaluator(const CosTrading::PropertySeq& props,
CORBA::Boolean supports_dp)
: props_ (props),
supports_dp_ (supports_dp),
dp_cache_ (new CORBA::Any*[props.length ()])
{
if (this->dp_cache_ != 0)
{
for (CORBA::ULong i = 0; i < this->props_.length (); i++)
this->dp_cache_[i] = 0;
}
}
TAO_Property_Evaluator::
TAO_Property_Evaluator(CosTrading::Offer& offer,
CORBA::Boolean supports_dp)
: props_ (offer.properties),
supports_dp_ (supports_dp),
dp_cache_ (new CORBA::Any*[offer.properties.length ()])
{
if (this->dp_cache_ != 0)
for (CORBA::ULong i = 0; i < this->props_.length (); i++)
this->dp_cache_[i] = 0;
}
TAO_Property_Evaluator::~TAO_Property_Evaluator (void)
{
// Clean up the results of any dynamic properties.
for (CORBA::ULong i = 0; i < this->props_.length (); i++)
if (this->dp_cache_[i] != 0)
delete this->dp_cache_[i];
delete [] this->dp_cache_;
}
int
TAO_Property_Evaluator::is_dynamic_property (int index)
{
int return_value = 0;
int num_properties = this->props_.length();
// Ensure index is in bounds.
if (index >= 0 && index < num_properties)
{
// Obtain the value of the property at index <index>.
const CORBA::Any& value = this->props_[index].value;
CORBA::TypeCode_var type = value.type ();
// @@ Seth, this will not work on platforms using environment variable.
CORBA::Boolean equal = type->equal (CosTradingDynamic::_tc_DynamicProp);
if (equal)
return_value = 1;
}
return return_value;
}
CORBA::Any*
TAO_Property_Evaluator::property_value (int index)
{
CORBA::Any* prop_val = 0;
CORBA::Boolean in_cache =
this->dp_cache_ != 0 && this->dp_cache_[index] != 0;
int dynamic = this->is_dynamic_property (index);
if (!dynamic)
prop_val = (CORBA::Any *) &(this->props_[index].value);
else if (this->supports_dp_ && in_cache)
prop_val = this->dp_cache_[index];
else if (this->supports_dp_)
{
// Property is defined at this point.
CosTradingDynamic::DynamicProp* dp_struct;
const CORBA::String_var name = this->props_[index].name.in ();
const CORBA::Any& value = this->props_[index].value;
// Extract the DP_Struct.
value >>= dp_struct;
CosTradingDynamic::DynamicPropEval_var dp_eval =
CosTradingDynamic::DynamicPropEval::_duplicate (dp_struct->eval_if.in ());
if (CORBA::is_nil (dp_eval.in ()))
{
throw CosTradingDynamic::DPEvalFailure (
name,
CORBA::TypeCode::_nil (),
CORBA::Any ());
}
else
{
CORBA::TypeCode* type = dp_struct->returned_type.in ();
CORBA::Any& info = dp_struct->extra_info;
try
{
// Retrieve the value of the dynamic property.
prop_val = dp_eval->evalDP(name, type, info);
if (this->dp_cache_ != 0)
this->dp_cache_[index] = prop_val;
}
catch (const CORBA::SystemException&)
{
throw
(CosTradingDynamic::DPEvalFailure (name, type, info));
}
}
}
return prop_val;
}
CORBA::TypeCode_ptr
TAO_Property_Evaluator::property_type (int index)
{
CORBA::TypeCode_ptr prop_type = CORBA::TypeCode::_nil();
// Determine if property is both defined and dynamic.
if (this->is_dynamic_property (index))
{
// Extract type information from the DP_Struct.
const CORBA::Any& value = this->props_[index].value;
CosTradingDynamic::DynamicProp* dp_struct = 0;
value >>= dp_struct;
// Grab a pointer to the returned_type description
prop_type = CORBA::TypeCode::_duplicate (dp_struct->returned_type.in ());
}
else
// TypeCode is self-evident at this point.
prop_type = this->props_[index].value.type ();
return prop_type;
}
TAO_Property_Evaluator_By_Name::
TAO_Property_Evaluator_By_Name (const CosTrading::PropertySeq& properties
,
CORBA::Boolean supports_dp)
: TAO_Property_Evaluator (properties, supports_dp)
{
int length = this->props_.length();
for (int i = 0; i < length; i++)
{
const CosTrading::Property& prop = this->props_[i];
if (! TAO_Trader_Base::is_valid_property_name (prop.name))
throw CosTrading::IllegalPropertyName (prop.name);
CORBA::String_var prop_name = prop.name.in ();
if (this->table_.bind (prop_name, i))
throw CosTrading::DuplicatePropertyName (prop.name);
}
}
TAO_Property_Evaluator_By_Name::
TAO_Property_Evaluator_By_Name(CosTrading::Offer& offer,
CORBA::Boolean supports_dp)
: TAO_Property_Evaluator(offer, supports_dp)
{
int length = this->props_.length();
for (int i = 0; i < length; i++)
{
CORBA::String_var prop_name = (const char*) this->props_[i].name;
this->table_.bind (prop_name, i);
}
}
int
TAO_Property_Evaluator_By_Name::
is_dynamic_property(const char* property_name)
{
int predicate = 0;
int index = 0;
CORBA::String_var prop_name (property_name);
// If the property name is in the map, delegate evaluation to our
// superclass. Otherwise, throw an exception.
if (this->table_.find (prop_name, index) == 0)
predicate = this->TAO_Property_Evaluator::is_dynamic_property(index);
return predicate;
}
CORBA::Any*
TAO_Property_Evaluator_By_Name::property_value (const char* property_name)
{
int index = 0;
CORBA::Any* prop_value = 0;
CORBA::String_var prop_name (property_name);
// If the property name is in the map, delegate evaluation to our
// superclass. Otherwise, throw an exception.
if (this->table_.find (prop_name, index) == 0)
{
prop_value =
this->TAO_Property_Evaluator::property_value (index);
}
return prop_value;
}
CORBA::TypeCode_ptr
TAO_Property_Evaluator_By_Name::property_type (const char* property_name)
{
int index = 0;
CORBA::String_var prop_name (property_name);
CORBA::TypeCode_ptr prop_type = CORBA::TypeCode::_nil();
// If the property name is in the map, delegate evaluation to our
// superclass. Otherwise, throw an exception.
if (this->table_.find (prop_name, index) == 0)
prop_type = this->TAO_Property_Evaluator::property_type (index);
return prop_type;
}
const CosTrading::Property*
TAO_Property_Evaluator_By_Name::get_property (const char* property_name)
{
int index = 0;
CosTrading::Property* property = 0;
CORBA::String_var prop_name (property_name);
if (this->table_.find (prop_name, index) == 0)
property = (CosTrading::Property *) &this->props_[index];
return property;
}
TAO_Dynamic_Property::~TAO_Dynamic_Property (void)
{
}
CosTradingDynamic::DynamicProp*
TAO_Dynamic_Property::
construct_dynamic_prop (const char* name,
CORBA::TypeCode_ptr returned_type,
const CORBA::Any& extra_info)
{
ACE_UNUSED_ARG (name);
CosTradingDynamic::DynamicProp* dp_struct = 0;
ACE_NEW_RETURN (dp_struct,
CosTradingDynamic::DynamicProp,
0);
if (this->prop_.in () == CosTradingDynamic::DynamicPropEval::_nil ())
{
// Seth, we need a way to either propagate exceptions out.
this->prop_ = this->_this ();
this->_remove_ref ();
}
dp_struct->eval_if =
CosTradingDynamic::DynamicPropEval::_duplicate (this->prop_.in ());
dp_struct->returned_type =
CORBA::TypeCode::_duplicate (returned_type);
dp_struct->extra_info = extra_info;
return dp_struct;
}
void
TAO_Dynamic_Property::destroy (void)
{
if (this->prop_.in () != CosTradingDynamic::DynamicPropEval::_nil ())
{
// @@ Seth, we need a way to propagate exceptions out.
PortableServer::POA_var poa = this->_default_POA ();
PortableServer::ObjectId_var id =
poa->servant_to_id (this);
poa->deactivate_object (id.in ());
}
}
const char* TAO_Policies::POLICY_NAMES[] =
{
"starting_trader",
"exact_type_match",
"hop_count",
"link_follow_rule",
"match_card",
"return_card",
"search_card",
"use_dynamic_properties",
"use_modifiable_properties",
"use_proxy_offers",
"request_id"
};
TAO_Policies::TAO_Policies (TAO_Trader_Base& trader,
const CosTrading::PolicySeq& policies)
: trader_ (trader)
{
for (int i = 0; i < TAO_NUM_POLICIES; i++)
this->policies_[i] = 0;
for (CORBA::ULong j = 0; j < policies.length (); j++)
{
const char *pol_name = (const char *) policies[j].name;
size_t length = (pol_name == 0) ? 0 : ACE_OS::strlen (pol_name);
int index = -1;
if (length < ACE_OS::strlen (POLICY_NAMES[HOP_COUNT]))
throw CosTrading::Lookup::IllegalPolicyName (pol_name);
switch (pol_name[0])
{
case 'e':
index = EXACT_TYPE_MATCH;
break;
case 'h':
index = HOP_COUNT;
break;
case 'l':
index = LINK_FOLLOW_RULE;
break;
case 'm':
index = MATCH_CARD;
break;
case 'r':
if (pol_name[2] == 't')
index = RETURN_CARD;
else if (pol_name[2] == 'q')
index = REQUEST_ID;
break;
case 's':
if (pol_name[1] == 't')
index = STARTING_TRADER;
else if (pol_name[1] == 'e')
index = SEARCH_CARD;
break;
case 'u':
if (pol_name[4] == 'd')
index = USE_DYNAMIC_PROPERTIES;
if (pol_name[4] == 'm')
index = USE_MODIFIABLE_PROPERTIES;
if (pol_name[4] == 'p')
index = USE_PROXY_OFFERS;
}
// Match the name of the policy, and insert its value into the
// vector.
if (index == -1 || ACE_OS::strcmp (POLICY_NAMES[index], pol_name) != 0)
throw CosTrading::Lookup::IllegalPolicyName (pol_name);
else if (this->policies_[index] != 0)
throw CosTrading::DuplicatePolicyName (pol_name);
else
this->policies_[index] = (CosTrading::Policy *) &(policies[j]);
}
}
TAO_Policies::~TAO_Policies (void)
{
}
CORBA::ULong
TAO_Policies::ulong_prop (POLICY_TYPE pol) const
{
CORBA::ULong return_value = 0, max_value = 0;
const TAO_Import_Attributes_i& import_attrs =
this->trader_.import_attributes ();
// Discover the default values for each of the possible cardinality
// policies.
switch (pol)
{
case SEARCH_CARD:
return_value = import_attrs.def_search_card ();
max_value = import_attrs.max_search_card ();
break;
case MATCH_CARD:
return_value = import_attrs.def_match_card ();
max_value = import_attrs.max_match_card ();
break;
case RETURN_CARD:
return_value = import_attrs.def_return_card ();
max_value = import_attrs.max_return_card ();
break;
case HOP_COUNT:
return_value = import_attrs.def_hop_count ();
max_value = import_attrs.max_hop_count ();
break;
default:
break;
}
if (this->policies_[pol] != 0)
{
// Extract the desired policy value.
const CosTrading::Policy* policy = this->policies_[pol];
const CosTrading::PolicyValue& value = policy->value;
CORBA::TypeCode_var type = value.type ();
CORBA::Boolean equal_ulong = type->equal (CORBA::_tc_ulong);
if (!equal_ulong)
throw CosTrading::Lookup::PolicyTypeMismatch (*policy);
else
value >>= return_value;
if (max_value < return_value)
return_value = max_value;
}
return return_value;
}
CORBA::ULong
TAO_Policies::search_card (void) const
{
return this->ulong_prop (SEARCH_CARD);
}
CORBA::ULong
TAO_Policies::match_card (void) const
{
return this->ulong_prop (MATCH_CARD);
}
CORBA::ULong
TAO_Policies::return_card (void) const
{
return this->ulong_prop (RETURN_CARD);
}
CORBA::Boolean
TAO_Policies::boolean_prop (POLICY_TYPE pol) const
{
CORBA::Boolean def_value = 1,
return_value = 1;
const TAO_Support_Attributes_i& support_attrs =
this->trader_.support_attributes ();
switch (pol)
{
case USE_MODIFIABLE_PROPERTIES:
def_value = support_attrs.supports_modifiable_properties ();
break;
case USE_DYNAMIC_PROPERTIES:
def_value = support_attrs.supports_dynamic_properties ();
break;
case USE_PROXY_OFFERS:
def_value = support_attrs.supports_proxy_offers ();
break;
case EXACT_TYPE_MATCH:
def_value = 0;
break;
default:
break;
}
if (this->policies_[pol] != 0)
{
const CosTrading::Policy* policy = this->policies_[pol];
const CosTrading::PolicyValue& value = policy->value;
CORBA::TypeCode_var type = value.type ();
CORBA::Boolean equal_boolean =
type->equal (CORBA::_tc_boolean);
if (!equal_boolean)
throw CosTrading::Lookup::PolicyTypeMismatch (*policy);
else
value >>= CORBA::Any::to_boolean (return_value);
if (def_value == 0 &&
pol != EXACT_TYPE_MATCH)
return_value = 0;
}
else
return_value = def_value;
return return_value;
}
CORBA::Boolean
TAO_Policies::use_modifiable_properties (void) const
{
return this->boolean_prop (USE_MODIFIABLE_PROPERTIES);
}
CORBA::Boolean
TAO_Policies::use_dynamic_properties (void) const
{
return this->boolean_prop (USE_DYNAMIC_PROPERTIES);
}
CORBA::Boolean
TAO_Policies::use_proxy_offers (void) const
{
return this->boolean_prop (USE_PROXY_OFFERS);
}
CORBA::Boolean
TAO_Policies::exact_type_match (void) const
{
return this->boolean_prop (EXACT_TYPE_MATCH);
}
CosTrading::TraderName*
TAO_Policies::starting_trader (void) const
{
CosTrading::TraderName* trader_name = 0;
if (this->policies_[STARTING_TRADER] != 0)
{
CosTrading::Policy* policy = this->policies_[STARTING_TRADER];
CosTrading::PolicyValue& value = policy->value;
CORBA::TypeCode_var type = value.type ();
CORBA::Boolean equal_tradername =
type->equal (CosTrading::_tc_TraderName);
CORBA::Boolean equal_linknameseq =
type->equal (CosTrading::_tc_LinkNameSeq);
if (!equal_tradername ||
!equal_linknameseq)
throw CosTrading::Lookup::PolicyTypeMismatch (*policy);
else
value >>= trader_name;
}
return trader_name;
}
CosTrading::FollowOption
TAO_Policies::link_follow_rule (void) const
{
CosTrading::FollowOption return_value =
this->trader_.import_attributes ().def_follow_policy ();
if (this->policies_[LINK_FOLLOW_RULE] != 0)
{
CosTrading::FollowOption max_follow_policy =
this->trader_.import_attributes ().max_follow_policy ();
CosTrading::Policy* policy = this->policies_[LINK_FOLLOW_RULE];
CosTrading::PolicyValue& value = policy->value;
CORBA::TypeCode_var type = value.type ();
// Extract the link follow rule
CORBA::Boolean type_equal =
type->equal (CosTrading::_tc_FollowOption);
if (!type_equal)
throw CosTrading::Lookup::PolicyTypeMismatch (*policy);
else
value >>= return_value;
if (return_value > max_follow_policy)
return_value = max_follow_policy;
}
return return_value;
}
CosTrading::FollowOption
TAO_Policies::link_follow_rule (const CosTrading::Link::LinkInfo& link_info) const
{
CosTrading::FollowOption return_value = CosTrading::local_only;
CosTrading::FollowOption trader_max_follow_policy =
this->trader_.import_attributes ().max_follow_policy ();
CosTrading::FollowOption link_limiting_follow_rule =
link_info.limiting_follow_rule;
// If not defined defaults to trader.def_link_follow_rule
CosTrading::FollowOption query_link_follow_rule =
this->link_follow_rule ();
return_value = (query_link_follow_rule < trader_max_follow_policy)
? query_link_follow_rule : trader_max_follow_policy;
return_value = (return_value < link_limiting_follow_rule)
? return_value : link_limiting_follow_rule;
return return_value;
}
CORBA::ULong
TAO_Policies::hop_count (void) const
{
return this->ulong_prop (HOP_COUNT);
}
CosTrading::Admin::OctetSeq*
TAO_Policies::request_id (void) const
{
CosTrading::Admin::OctetSeq* request_id = 0;
if (this->policies_[REQUEST_ID] != 0)
{
CosTrading::Policy* policy = this->policies_[REQUEST_ID];
CosTrading::PolicyValue& value = policy->value;
CORBA::TypeCode_var type = value.type ();
CORBA::Boolean equal_octetseq =
type->equal (CosTrading::Admin::_tc_OctetSeq);
if (!equal_octetseq)
throw CosTrading::Lookup::PolicyTypeMismatch (*policy);
else
value >>= request_id;
}
return request_id;
}
void
TAO_Policies::
copy_in_follow_option (CosTrading::PolicySeq& policy_seq,
const CosTrading::Link::LinkInfo& link_info) const
{
CosTrading::FollowOption follow_option = CosTrading::local_only;
CosTrading::FollowOption trader_max_follow_policy =
this->trader_.import_attributes ().max_follow_policy ();
if (this->policies_[LINK_FOLLOW_RULE] != 0)
{
CosTrading::FollowOption query_link_follow_rule =
this->link_follow_rule ();
follow_option = (CosTrading::FollowOption)
(link_info.limiting_follow_rule < trader_max_follow_policy
? (link_info.limiting_follow_rule < query_link_follow_rule
? link_info.limiting_follow_rule
: query_link_follow_rule)
: (trader_max_follow_policy < query_link_follow_rule
? trader_max_follow_policy
: query_link_follow_rule));
}
else
follow_option = (CosTrading::FollowOption)
(link_info.def_pass_on_follow_rule < trader_max_follow_policy
? link_info.def_pass_on_follow_rule
: trader_max_follow_policy);
CORBA::ULong i = 0;
for (i = 0; i < policy_seq.length (); i++)
if (ACE_OS::strcmp (policy_seq[i].name,
POLICY_NAMES[LINK_FOLLOW_RULE]) == 0)
{
policy_seq[i].value <<= follow_option;
break;
}
if (i == policy_seq.length ())
{
policy_seq.length (i + 1);
policy_seq[i].name = POLICY_NAMES[LINK_FOLLOW_RULE];
policy_seq[i].value <<= follow_option;
}
}
void
TAO_Policies::
copy_to_pass (CosTrading::PolicySeq& policy_seq,
const CosTrading::Admin::OctetSeq& request_id) const
{
CORBA::ULong counter = 0;
CosTrading::Policy* policy_buffer =
CosTrading::PolicySeq::allocbuf (REQUEST_ID + 1);
if (policy_buffer == 0)
return;
for (int i = 0; i <= REQUEST_ID; i++)
{
CosTrading::Policy& new_policy = policy_buffer[counter];
if (i == REQUEST_ID)
{
// Set the new request id.
new_policy.name = POLICY_NAMES[REQUEST_ID];
new_policy.value <<= request_id;
counter++;
}
else if (this->policies_[i] != 0)
{
// Copy in the existing policies.
new_policy.name = POLICY_NAMES[i];
new_policy.value = this->policies_[i]->value;
counter++;
}
// We always require a hop count.
if (i == HOP_COUNT)
{
CORBA::ULong count = this->hop_count ();
new_policy.name = POLICY_NAMES[HOP_COUNT];
new_policy.value <<= count - 1;
// Don't count hop count twice.
if (this->policies_[i] == 0)
counter++;
}
}
policy_seq.replace (REQUEST_ID + 1,
counter,
policy_buffer,
1);
}
void
TAO_Policies::copy_to_forward (CosTrading::PolicySeq& policy_seq,
const CosTrading::TraderName& trader_name) const
{
// Create a new policy sequence, shortening the starting trader
// policy by one link.
CORBA::ULong counter = 0;
CosTrading::Policy* policy_buffer =
CosTrading::PolicySeq::allocbuf (REQUEST_ID + 1);
if (policy_buffer == 0)
return;
for (int i = 0; i <= REQUEST_ID; i++)
{
CosTrading::Policy& new_policy = policy_buffer[counter];
if (this->policies_[i] != 0)
{
// Copy in the existing policies.
if (i == STARTING_TRADER && trader_name.length () > 1)
{
// Eliminate the first link of the trader name.
// Only pass on the property if the sequence
// contains more links after us.
// The any will sieze control of this memory.
// Allocating here avoids copying in the policy
// any.
CORBA::ULong length = trader_name.length ();
CosTrading::LinkName* buf =
CosTrading::TraderName::allocbuf (length - 1);
if (buf != 0)
{
for (CORBA::ULong j = 1; j < length; j++)
buf[j - 1] = CORBA::string_dup (trader_name[j]);
new_policy.name = this->policies_[i]->name;
CosTrading::TraderName new_name (length - 1,
length - 1,
buf,
1);
new_policy.value <<= new_name;
counter++;
}
}
else if (i != STARTING_TRADER)
{
new_policy.name = this->policies_[i]->name;
new_policy.value = this->policies_[i]->value;
counter++;
}
}
}
// Create the new sequence
policy_seq.replace (REQUEST_ID + 1,
counter,
policy_buffer, 1);
}
TAO_Offer_Modifier::
TAO_Offer_Modifier (const char* type_name,
const CosTradingRepos::ServiceTypeRepository::TypeStruct& type_struct,
CosTrading::Offer* offer)
: type_ (type_name),
offer_ (offer)
{
const CosTradingRepos::ServiceTypeRepository::PropStructSeq&
pstructs = type_struct.props;
CosTrading::PropertySeq& prop_seq = this->offer_->properties;
CORBA::ULong pstructs_length = pstructs.length (),
props_length = prop_seq.length (),
i = 0;
// Create a mapping of property names to their types.
for (i = 0; i < pstructs_length; i++)
{
CORBA::String_var prop_name = pstructs[i].name.in ();
CORBA::TypeCode_ptr type_code =
CORBA::TypeCode::_duplicate (pstructs[i].value_type.in ());
this->prop_types_.bind (prop_name, type_code);
}
// Separate the type defined properties into mandatory and readonly
for (i = 0; i < pstructs_length; i++)
{
const char* pname = pstructs[i].name;
if (pstructs[i].mode ==
CosTradingRepos::ServiceTypeRepository::PROP_MANDATORY)
{
CORBA::String_var prop_name (pname);
this->mandatory_.insert (prop_name);
}
else if (pstructs[i].mode ==
CosTradingRepos::ServiceTypeRepository::PROP_READONLY)
{
CORBA::String_var prop_name (pname);
this->readonly_.insert (prop_name);
}
}
// Insert the indices of the offer properties into a map.
for (i = 0; i < props_length; i++)
{
CORBA::String_var prop_name =
static_cast<const char*> (prop_seq[i].name);
this->props_.bind (prop_name, &prop_seq[i]);
}
}
TAO_Offer_Modifier::~TAO_Offer_Modifier (void)
{
for (TAO_Typecode_Table::iterator type_iter (this->prop_types_);
! type_iter.done ();
type_iter++)
{
CORBA::TypeCode_ptr corba_type = (*type_iter).int_id_;
CORBA::release (corba_type);
}
}
void
TAO_Offer_Modifier::
delete_properties (const CosTrading::PropertyNameSeq& deletes)
{
// Validate that the listed property names can be deleted
CORBA::ULong i = 0,
length = deletes.length ();
TAO_String_Set delete_me;
for (i = 0; i < length; i++)
{
const char* dname = static_cast<const char*> (deletes[i]);
if (! TAO_Trader_Base::is_valid_property_name (dname))
throw CosTrading::IllegalPropertyName (dname);
else
{
CORBA::String_var prop_name (dname);
if (this->mandatory_.find (prop_name) == 0)
throw CosTrading::Register::MandatoryProperty (this->type_, dname);
else if (delete_me.insert (prop_name) == 1)
throw CosTrading::DuplicatePropertyName (dname);
else if (this->props_.find (prop_name) == -1)
throw CosTrading::Register::UnknownPropertyName (dname);
}
}
// Delete those properties from the offer.
for (i = 0; i < length; i++)
{
CORBA::String_var prop_name =
static_cast<const char *> (deletes[i]);
this->props_.unbind (prop_name);
}
}
void
TAO_Offer_Modifier::
merge_properties (const CosTrading::PropertySeq& modifies)
{
int i = 0, length = 0;
TAO_String_Set modify_me;
// Ensure that the proposed changes aren't to readonly properties or
// otherwise invalid.
TAO_Property_Evaluator prop_eval (modifies);
for (i = 0, length = modifies.length (); i < length; i++)
{
const char* mname = modifies[i].name;
if (TAO_Trader_Base::is_valid_property_name (mname))
{
CORBA::String_var prop_name (mname);
if (this->readonly_.find (prop_name) == 0)
{
// Can't assign a dynamic property to a property with
// readonly mode, and can't reassign a readonly property.
if (prop_eval.is_dynamic_property (i))
throw CosTrading::ReadonlyDynamicProperty (this->type_, mname);
else if (this->props_.find (prop_name) == 0)
throw CosTrading::Register::ReadonlyProperty (
this->type_,
mname);
}
// Validate the property type if the property is defined in
// the service type description.
CORBA::TypeCode_ptr type_def = 0;
if (this->prop_types_.find (prop_name, type_def) == 0)
{
CORBA::TypeCode_var prop_type = prop_eval.property_type (i);
// @@ Frank: This code used to have this comment and line
// of code before I fixed the "ACE_TRY" fuzz warning here.
// @@ Seth, are we trying to ignore the exception here?
// CORBA::Environment ACE_TRY_ENV;
// @@ Frank: It seems clear that this is not going to work as
// expected. Is the purpose to ignore any exceptions from
// equal ()? For now, exceptions are returned since this
// seemed "safest".
CORBA::Boolean td_equal =
type_def->equal (prop_type.in ());
if (!td_equal)
throw CosTrading::PropertyTypeMismatch (mname, modifies[i]);
}
if (modify_me.insert (prop_name) == 1)
throw CosTrading::DuplicatePropertyName (mname);
}
else
throw CosTrading::IllegalPropertyName (mname);
}
}
void
TAO_Offer_Modifier::affect_change (const CosTrading::PropertySeq& modifies)
{
// Create a new property list reflecting the deletes, modifies, and
// add operations performed, and place this property list in the
// offer.
// Merge these properties with the original set.
CORBA::ULong i = 0,
merge_length = modifies.length ();
for (i = 0; i < merge_length; i++)
{
Property_Table::ENTRY* entry = 0;
CORBA::String_var prop_name = modifies[i].name.in ();
CosTrading::Property* prop =
const_cast<CosTrading::Property*> (&modifies[i]);
if (this->props_.bind (prop_name, prop, entry) == 1)
// We need to rebind here.
entry->int_id_ = prop;
}
CORBA::ULong num_modified = 0,
original_length = this->offer_->properties.length (),
total_length = static_cast<CORBA::ULong> (this->props_.current_size ());
// Scrap the existing property sequence and begin a new one
CosTrading::PropertySeq prop_seq (total_length);
prop_seq.length (total_length);
// this->offer_->properties.length (total_length);
// Copy in the unaffected and modified props into the offer,
// excluding those that were deleted. Let's try and retain their
// relative ordering.
for (i = 0; i < original_length; i++)
{
CosTrading::Property* prop_value = 0;
const char* name = this->offer_->properties[i].name;
CORBA::String_var prop_name (name);
if (this->props_.unbind (prop_name, prop_value) == 0)
prop_seq[num_modified++] = *prop_value;
}
for (i = 0; i < merge_length; i++)
{
CosTrading::Property* prop_value = 0;
const char* name = modifies[i].name;
CORBA::String_var prop_name (name);
if (this->props_.unbind (prop_name, prop_value) == 0)
prop_seq[num_modified++] = *prop_value;
}
this->offer_->properties.length (total_length);
for (i = 0; i < total_length; i++)
this->offer_->properties[i] = prop_seq[i];
// Free the old, orphaned sequence.
// CosTrading::PropertySeq::freebuf (prop_buf);
}
TAO_Offer_Filter::TAO_Offer_Filter (TAO_Policies& policies)
{
search_card_ = policies.search_card ();
match_card_ = policies.match_card ();
return_card_ = policies.return_card ();
dp_ = policies.use_dynamic_properties ();
mod_ = policies.use_modifiable_properties ();
CORBA::Boolean exact_type_match =
policies.exact_type_match ();
if (exact_type_match == 1)
{
CORBA::String_var exact_match
(TAO_Policies::POLICY_NAMES[TAO_Policies::EXACT_TYPE_MATCH]);
this->limits_.insert (exact_match);
}
}
void
TAO_Offer_Filter::
configure_type (CosTradingRepos::ServiceTypeRepository::TypeStruct* type_struct)
{
CosTradingRepos::ServiceTypeRepository::PropStructSeq&
prop_seq = type_struct->props;
// Take note of non-modifiable properties in the type_struct
this->not_mod_props_.reset ();
for (int i = prop_seq.length () - 1; i >= 0; i--)
{
CosTradingRepos::ServiceTypeRepository::PropertyMode mode = prop_seq[i].mode;
if (mode == CosTradingRepos::ServiceTypeRepository::PROP_MANDATORY_READONLY ||
mode == CosTradingRepos::ServiceTypeRepository::PROP_READONLY)
{
CORBA::String_var prop_name ((const char*) prop_seq[i].name);
this->not_mod_props_.insert (prop_name);
}
}
}
CORBA::Boolean
TAO_Offer_Filter::ok_to_consider (CosTrading::Offer* offer)
{
CORBA::String_var use_mods =
TAO_Policies::POLICY_NAMES[TAO_Policies::USE_MODIFIABLE_PROPERTIES];
CORBA::String_var use_dyns =
TAO_Policies::POLICY_NAMES[TAO_Policies::USE_DYNAMIC_PROPERTIES];
CORBA::Boolean return_value = 1;
TAO_Property_Evaluator prop_eval (*offer);
// If we should screen offers, determine if this offer is unworthy
// for consideration.
if (! (this->mod_ && this->dp_))
{
for (int i = offer->properties.length () - 1;
i >= 0 && return_value;
i--)
{
// Winnow away the unwanted offers with modifiable or
// dynamic properties.
if (! this->mod_)
{
// Determine if this property name is found in the set
// of modifiable properties for the type being considered.
CORBA::String_var prop_name ((const char*) offer->properties[i].name);
if (this->not_mod_props_.find (prop_name) == -1)
{
this->limits_.insert (use_mods);
return_value = 0;
}
}
if (! this->dp_ && return_value)
{
// Determine if this property is dynamic.
if (prop_eval.is_dynamic_property (i))
{
this->limits_.insert (use_dyns);
return_value = 0;
}
}
if (return_value == 0)
break;
}
}
// If we're good to go, consider this offer considered and decrement
// the search cardinality counter.
if (return_value)
{
this->search_card_--;
if (this->search_card_ == 0)
{
CORBA::String_var search_card =
TAO_Policies::POLICY_NAMES[TAO_Policies::SEARCH_CARD];
this->limits_.insert (search_card);
}
}
return return_value;
}
CORBA::Boolean
TAO_Offer_Filter::ok_to_consider_more (void)
{
return this->search_card_ > 0 && this->match_card_ > 0;
}
void
TAO_Offer_Filter::matched_offer (void)
{
this->match_card_--;
this->return_card_--;
if (this->match_card_ == 0)
{
CORBA::String_var match_card =
TAO_Policies::POLICY_NAMES[TAO_Policies::MATCH_CARD];
this->limits_.insert (match_card);
}
if (this->return_card_ == 0)
{
CORBA::String_var return_card =
TAO_Policies::POLICY_NAMES[TAO_Policies::MATCH_CARD];
this->limits_.insert (return_card);
}
}
CORBA::ULong
TAO_Offer_Filter::search_card_remaining (void) const
{
return this->search_card_;
}
CORBA::ULong
TAO_Offer_Filter::match_card_remaining (void) const
{
return this->match_card_;
}
CosTrading::PolicyNameSeq*
TAO_Offer_Filter::limits_applied (void)
{
int i = 0;
CORBA::ULong size = static_cast<CORBA::ULong> (this->limits_.size ());
CosTrading::PolicyName* temp =
CosTrading::PolicyNameSeq::allocbuf (size);
for (TAO_String_Set::iterator p_iter (this->limits_.begin());
! p_iter.done ();
p_iter.advance ())
{
CORBA::String_var* policy_name_ptr = 0;
p_iter.next (policy_name_ptr);
temp[i++] = CORBA::string_dup (policy_name_ptr->in ());
}
return new CosTrading::PolicyNameSeq (size, size, temp, 1);
}
TAO_Property_Filter::
TAO_Property_Filter (const SPECIFIED_PROPS& desired_props)
: policy_ (desired_props._d ())
{
if (this->policy_ == CosTrading::Lookup::some)
{
const CosTrading::PropertyNameSeq&
prop_seq = desired_props.prop_names ();
int length = prop_seq.length ();
for (int i = 0; i < length; i++)
{
const char* pname = prop_seq[i];
// Check for errors or duplicates
if (TAO_Trader_Base::is_valid_property_name (pname))
{
CORBA::String_var prop_name (pname);
if (this->props_.insert (prop_name) == 1)
throw CosTrading::DuplicatePropertyName (pname);
}
else
throw CosTrading::IllegalPropertyName (pname);
}
}
}
TAO_Property_Filter::
TAO_Property_Filter (const TAO_Property_Filter& prop_filter)
: props_ (prop_filter.props_),
policy_ (prop_filter.policy_)
{
}
TAO_Property_Filter&
TAO_Property_Filter::operator= (const TAO_Property_Filter& other)
{
this->props_ = other.props_;
this->policy_ = other.policy_;
return *this;
}
void
TAO_Property_Filter::filter_offer (CosTrading::Offer* source,
CosTrading::Offer& destination)
{
Prop_Queue prop_queue;
CosTrading::PropertySeq& s_props = source->properties;
CosTrading::PropertySeq& d_props = destination.properties;
CORBA::ULong length = static_cast<CORBA::ULong> (s_props.length ()),
elem = 0;
destination.reference = CORBA::Object::_duplicate (source->reference.in ());
if (this->policy_ == CosTrading::Lookup::some)
{
for (CORBA::ULong i = 0; i < length; i++)
{
if (this->policy_ == CosTrading::Lookup::all)
prop_queue.enqueue_tail (&s_props[i]);
else
{
const char* p_name = s_props[i].name;
CORBA::String_var prop_name (p_name);
// Save those property that match.
if (this->props_.find (prop_name) == 0)
prop_queue.enqueue_tail (&s_props[i]);
}
}
// Shove the matched properties into the destination property
// sequence.
length = static_cast<CORBA::ULong> (prop_queue.size ());
d_props.length (length);
for (Prop_Queue::ITERATOR prop_iter (prop_queue);
! prop_iter.done ();
prop_iter.advance (), elem++)
{
CosTrading::Property** prop_ptr = 0;
prop_iter.next (prop_ptr);
d_props[elem] = **prop_ptr;
}
}
else if (this->policy_ == CosTrading::Lookup::all)
// CosTrading::Property* props = s_props.get_buffer (0);
// d_props.replace (length, length, props, 0);
d_props = s_props;
}
TAO_END_VERSIONED_NAMESPACE_DECL
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