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/* -*- C++ -*- */
// ========================================================================
// $Id$
//
// = LIBRARY
// orbsvcs
//
// = FILENAME
// Link.cpp
//
// = AUTHOR
// Marina Spivak <marina@cs.wustl.edu>
// Seth Widoff <sbw1@cs.wustl.edu>
//
// ========================================================================
#if !defined (TAO_LINK_C)
#define TAO_LINK_C
#include "Link.h"
#include "Locking.h"
#include "Trader_Base.h"
template <class TRADER, class MAP_LOCK_TYPE>
TAO_Link<TRADER,MAP_LOCK_TYPE>::TAO_Link (TRADER &trader)
: trader_ (trader),
TAO_Trader_Components <POA_CosTrading::Link> (trader.trading_components ()),
TAO_Link_Attributes <POA_CosTrading::Link> (trader.link_attributes ()),
TAO_Support_Attributes <POA_CosTrading::Link> (trader.support_attributes ())
{
}
template <class TRADER, class MAP_LOCK_TYPE>
TAO_Link<TRADER,MAP_LOCK_TYPE>::~TAO_Link (void)
{
}
template <class TRADER, class MAP_LOCK_TYPE> void
TAO_Link<TRADER,MAP_LOCK_TYPE>::
add_link (const char *name,
CosTrading::Lookup_ptr target,
CosTrading::FollowOption def_pass_on_follow_rule,
CosTrading::FollowOption limiting_follow_rule,
CORBA::Environment& _env)
TAO_THROW_SPEC ((CORBA::SystemException,
CosTrading::Link::IllegalLinkName,
CosTrading::Link::DuplicateLinkName,
CosTrading::InvalidLookupRef,
CosTrading::Link::DefaultFollowTooPermissive,
CosTrading::Link::LimitingFollowTooPermissive))
{
TAO_WRITE_GUARD (MAP_LOCK_TYPE,
ace_mon,
this->links_.lock ());
// Ensure the link name is valid.
if (! TAO_Trader_Base::is_valid_identifier_name (name))
TAO_THROW (CosTrading::Link::IllegalLinkName (name));
// Ensure this isn't a duplicate link name.
string link_name (name);
LINKS::iterator links_iter = this->links_.find (link_name);
if (links_iter != this->links_.end ())
TAO_THROW (CosTrading::Link::DuplicateLinkName (name));
// Ensure the lookup_ptr isn't nil.
if (target == CosTrading::Lookup::_nil())
TAO_THROW (CosTrading::InvalidLookupRef (target));
// Ensure that the default link behavior isn't stronger than the
// limiting link behavior.
if (def_pass_on_follow_rule > limiting_follow_rule)
TAO_THROW (CosTrading::Link::DefaultFollowTooPermissive
(def_pass_on_follow_rule, limiting_follow_rule));
// Ensure that the limiting link behavior for this link doesn't
// exceed the maximum allowed for a link.
if (limiting_follow_rule < this->max_link_follow_policy (_env))
TAO_THROW (CosTrading::Link::LimitingFollowTooPermissive
(limiting_follow_rule, this->max_link_follow_policy (_env)));
// Create a link info structure for this link of the federation.
CosTrading::Link::LinkInfo link_info;
link_info.target = target;
link_info.target_reg = target->register_if (_env);
link_info.def_pass_on_follow_rule = def_pass_on_follow_rule;
link_info.limiting_follow_rule = limiting_follow_rule;
TAO_CHECK_ENV_RETURN (_env,);
// Insert this link into the collection of links.
this->links_.insert (link_name, link_info);
}
template <class TRADER, class MAP_LOCK_TYPE> void
TAO_Link<TRADER,MAP_LOCK_TYPE>::remove_link (const char *name,
CORBA::Environment& _env)
TAO_THROW_SPEC ((CORBA::SystemException,
CosTrading::Link::IllegalLinkName,
CosTrading::Link::UnknownLinkName))
{
TAO_WRITE_GUARD (MAP_LOCK_TYPE,
ace_mon,
this->links_.lock ());
// Ensure the link name is valid.
if (! TAO_Trader_Base::is_valid_identifier_name (name))
TAO_THROW (CosTrading::Link::IllegalLinkName (name));
// Ensure this isn't a duplicate link name.
string link_name (name);
LINKS::iterator links_iter = this->links_.find (link_name);
if (links_iter == this->links_.end ())
TAO_THROW (CosTrading::Link::UnknownLinkName (name));
// Erase the link state from the map.
this->links_.erase (links_iter);
}
template <class TRADER, class MAP_LOCK_TYPE> CosTrading::Link::LinkInfo *
TAO_Link<TRADER,MAP_LOCK_TYPE>::describe_link (const char *name,
CORBA::Environment& _env)
TAO_THROW_SPEC ((CosTrading::SystemException,
CosTrading::Link::IllegalLinkName,
CosTrading::Link::UnknownLinkName))
{
TAO_READ_GUARD_RETURN (MAP_LOCK_TYPE,
ace_mon,
this->links_.lock (),
(CosTrading::Link::LinkInfo*) 0);
// Ensure the link name is valid.
if (! TAO_Trader_Base::is_valid_identifier_name (name))
TAO_THROW_RETURN (CosTrading::Link::IllegalLinkName (name), 0);
// Ensure this isn't a duplicate link name.
string link_name (name);
LINKS::iterator links_iter = this->links_.find (link_name);
if (links_iter == this->links_.end ())
TAO_THROW_RETURN (CosTrading::Link::UnknownLinkName (name), 0);
// return the link infor for this link name.
return &(*links_iter).second;
}
template <class TRADER, class MAP_LOCK_TYPE> CosTrading::LinkNameSeq*
TAO_Link<TRADER,MAP_LOCK_TYPE>::list_links (CORBA::Environment& _env)
TAO_THROW_SPEC ((CORBA::SystemException))
{
TAO_READ_GUARD_RETURN (MAP_LOCK_TYPE,
ace_mon,
this->links_.lock (),
(CosTrading::LinkNameSeq*) 0);
// Allocate space for the link names.
CORBA::ULong size = this->links_.size (), i = 0;
CosTrading::LinkName* link_seq =
CosTrading::LinkNameSeq::allocbuf (size);
// Copy the link names into the buffer.
for (LINKS::iterator links_iter = this->links_.begin ();
links_iter != this->links_.end ();
links_iter++)
link_seq[i++] = CORBA::string_dup ((*links_iter).first.data ());
// Return a sequence of the buf names.
return new CosTrading::LinkNameSeq (i, i, link_seq, 1);
}
template <class TRADER, class MAP_LOCK_TYPE> void
TAO_Link<TRADER,MAP_LOCK_TYPE>::
modify_link (const char *name,
CosTrading::FollowOption def_pass_on_follow_rule,
CosTrading::FollowOption limiting_follow_rule,
CORBA::Environment& _env)
TAO_THROW_SPEC ((CORBA::SystemException,
CosTrading::Link::IllegalLinkName,
CosTrading::Link::UnknownLinkName,
CosTrading::Link::DefaultFollowTooPermissive,
CosTrading::Link::LimitingFollowTooPermissive))
{
TAO_WRITE_GUARD (MAP_LOCK_TYPE,
ace_mon,
this->links_.lock ());
// Ensure the link name is valid.
if (! TAO_Trader_Base::is_valid_identifier_name (name))
TAO_THROW (CosTrading::Link::IllegalLinkName (name));
// Ensure this isn't a duplicate link name.
string link_name (name);
LINKS::iterator links_iter = this->links_.find (link_name);
if (links_iter == this->links_.end ())
TAO_THROW (CosTrading::Link::UnknownLinkName (name));
// Ensure that the default link behavior isn't stronger than the
// limiting link behavior.
if (def_pass_on_follow_rule > limiting_follow_rule)
TAO_THROW (CosTrading::Link::DefaultFollowTooPermissive
(def_pass_on_follow_rule, limiting_follow_rule));
// Ensure that the limiting link behavior for this link doesn't
// exceed the maximum allowed for a link.
if (limiting_follow_rule < this->max_link_follow_policy (_env))
TAO_THROW (CosTrading::Link::LimitingFollowTooPermissive
(limiting_follow_rule, this->max_link_follow_policy (_env)));
// Adjust the link settings
CosTrading::Link::LinkInfo& link_info = (*links_iter).second;
link_info.def_pass_on_follow_rule = def_pass_on_follow_rule;
link_info.limiting_follow_rule = limiting_follow_rule;
}
#endif /* TAO_LINK_C */
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