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author | William R. Otte <wotte@dre.vanderbilt.edu> | 2006-07-24 15:50:21 +0000 |
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committer | William R. Otte <wotte@dre.vanderbilt.edu> | 2006-07-24 15:50:21 +0000 |
commit | 0e49389337be86641451a5c36c24bf742fe97523 (patch) | |
tree | 197c810e5f5bce17b1233a7cb8d7b50c0bcd25e2 /TAO/tao/ORB_Table.cpp | |
parent | 8008dd09ccf88d4edef237a184a698cac42f2952 (diff) | |
download | ATCD-0e49389337be86641451a5c36c24bf742fe97523.tar.gz |
Repo restructuring
Diffstat (limited to 'TAO/tao/ORB_Table.cpp')
-rw-r--r-- | TAO/tao/ORB_Table.cpp | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/TAO/tao/ORB_Table.cpp b/TAO/tao/ORB_Table.cpp new file mode 100644 index 00000000000..8624370348c --- /dev/null +++ b/TAO/tao/ORB_Table.cpp @@ -0,0 +1,186 @@ +#include "tao/ORB_Table.h" +#include "tao/ORB_Core.h" +#include "tao/TAO_Singleton.h" + +#if !defined (__ACE_INLINE__) +# include "tao/ORB_Table.inl" +#endif /* ! __ACE_INLINE__ */ + +#include "ace/SString.h" +#include "ace/OS_NS_string.h" + + +ACE_RCSID (tao, + ORB_Table, + "$Id$") + + +// **************************************************************** + +TAO_BEGIN_VERSIONED_NAMESPACE_DECL + +TAO::ORB_Table::ORB_Table (void) + : lock_ (), + first_orb_not_default_ (false), + table_ (TAO_DEFAULT_ORB_TABLE_SIZE), + first_orb_ (0), + orbs_ (0), + num_orbs_ (0) +{ +} + +int +TAO::ORB_Table::bind (char const * orb_id, + TAO_ORB_Core * orb_core) +{ + // Make sure that the supplied ORB core pointer is valid, + // i.e. non-zero. + if (orb_id == 0 || orb_core == 0) + { + errno = EINVAL; + return -1; + }; + + value_type const value = + std::make_pair (key_type (orb_id), data_type (orb_core)); + + ACE_GUARD_RETURN (TAO_SYNCH_MUTEX, + guard, + this->lock_, + -1); + + std::pair<iterator, bool> result = this->table_.insert (value); + + if (result.second) + { + // This is not the first ORB, but if the current default ORB + // decided not to be the default and there is more than one ORB + // then set this ORB to be the default. + if (this->first_orb_ != 0 + && this->first_orb_not_default_) + { + this->first_orb_ = orb_core; + this->first_orb_not_default_ = false; + } + + // Set the "first_orb_" member for the first given ORB Core + // that was successfully added to the ORB table. + if (this->first_orb_ == 0) + { + this->first_orb_ = orb_core; + } + } + + return (result.second ? 0 : 1); +} + +TAO_ORB_Core * +TAO::ORB_Table::find (char const * orb_id) +{ + TAO_ORB_Core * orb_core = 0; + + ACE_GUARD_RETURN (TAO_SYNCH_MUTEX, + guard, + this->lock_, + 0); + + iterator const i = this->table_.find (Table::key_type (orb_id)); + + // Maintain ownership of the ORB_Core. + if (i != this->end ()) + { + orb_core = (*i).second.core (); + (void) orb_core->_incr_refcnt (); + } + + return orb_core; +} + +int +TAO::ORB_Table::unbind (const char *orb_id) +{ + ACE_GUARD_RETURN (TAO_SYNCH_MUTEX, + guard, + this->lock_, + -1); + + iterator const result = this->table_.find (key_type (orb_id)); + + if (result != this->end ()) + { + TAO::ORB_Core_Ref_Counter oc ((*result).second); + + this->table_.erase (result); + + if (oc.core () == this->first_orb_) + { + if (!this->table_.empty ()) + { + this->first_orb_ = (*this->begin ()).second.core (); + } + else + { + this->first_orb_ = 0; + } + } + } + + return 0; +} + +void +TAO::ORB_Table::set_default (char const * orb_id) +{ + ACE_GUARD (TAO_SYNCH_MUTEX, + guard, + this->lock_); + + iterator const i = this->table_.find (key_type (orb_id)); + + if (i != this->end ()) + this->first_orb_ = (*i).second.core (); +} + +void +TAO::ORB_Table::not_default (char const * orb_id) +{ + // @@ This method now works for restricted cases. Should work on + // generalizing it. It works if the first ORB that is registered + // decides to not want be the default ORB. Should generalize it + // to handle all cases. + + + ACE_GUARD (TAO_SYNCH_MUTEX, + guard, + this->lock_); + + // Check if there is a default ORB already and if it is *not* the + // same as the orb_id thats passed in. We don't have to do + // anything. + if (this->first_orb_ != 0) + { + if (ACE_OS::strcmp (this->first_orb_->orbid (), orb_id) != 0) + { + // There is another default ORB. No need to change anything + return; + } + else + { + // The ORB with orbid 'orb_id' is the default now. We need + // to change it. + this->first_orb_not_default_ = true; + } + } +} + +TAO::ORB_Table * +TAO::ORB_Table::instance (void) +{ + return TAO_Singleton<TAO::ORB_Table, TAO_SYNCH_MUTEX>::instance (); +} + +#if defined (ACE_HAS_EXPLICIT_STATIC_TEMPLATE_MEMBER_INSTANTIATION) +template TAO_Singleton<TAO::ORB_Table,TAO_SYNCH_MUTEX> * TAO_Singleton<TAO::ORB_Table,TAO_SYNCH_MUTEX>::singleton_; +#endif /* ACE_HAS_EXPLICIT_STATIC_TEMPLATE_MEMBER_INSTANTIATION */ + +TAO_END_VERSIONED_NAMESPACE_DECL |