diff options
author | Ossama Othman <ossama-othman@users.noreply.github.com> | 2001-05-07 17:15:01 +0000 |
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committer | Ossama Othman <ossama-othman@users.noreply.github.com> | 2001-05-07 17:15:01 +0000 |
commit | 5ca15e5d21a9bcfba4daac2e385360d02d55cdb3 (patch) | |
tree | f73739fad191ece34b91487e0678f4c7398c075b | |
parent | 4c4dddab6ed59ebb69f51bba0d8a000d7214e679 (diff) | |
download | ATCD-5ca15e5d21a9bcfba4daac2e385360d02d55cdb3.tar.gz |
Added next gen load balancer files into this branch.
41 files changed, 4128 insertions, 0 deletions
diff --git a/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Equal_To.cpp b/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Equal_To.cpp new file mode 100644 index 00000000000..f86d26808f7 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Equal_To.cpp @@ -0,0 +1,9 @@ +// -*- C++ -*- + +#include "LB_Equal_To.h" + +#if !defined (__ACE_INLINE__) +#include "LB_Equal_To.inl" +#endif /* __ACE_INLINE__ */ + +ACE_RCSID (TAO_LoadBalancing, LB_Equal_To, "$Id$") diff --git a/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Equal_To.h b/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Equal_To.h new file mode 100644 index 00000000000..33eccb6d71f --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Equal_To.h @@ -0,0 +1,79 @@ +// -*- C++ -*- +// +// $Id$ + +// ============================================================================ +// +// = LIBRARY +// TAO_LoadBalancing +// +// = FILENAME +// LB_ObjectGroup_Equal_To.h +// +// = AUTHOR +// Ossama Othman <ossama@uci.edu> +// +// ============================================================================ + +#ifndef TAO_LB_OBJECTGROUP_EQUAL_TO_H +#define TAO_LB_OBJECTGROUP_EQUAL_TO_H + +#include "ace/pre.h" + +#include "ace/config-all.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#include "LoadbalancingC.h" + +class TAO_LB_ObjectGroup_Equal_To +{ + // = TITLE + // Function object that compares equality of two ObjectGroup + // references. + // + // = DESCRIPTION + // This class basically wraps the + // CORBA::Object::_is_equivalent() method so that it can be + // utilized by a Hash Map as a way to compare equality. + +public: + + int operator() (const TAO_LoadBalancing::ObjectGroup_ptr &lhs, + const TAO_LoadBalancing::ObjectGroup_ptr &rhs) const; + // Invokes the CORBA::Object::_is_equivalent() method to determine + // if both references refer to the same object group. However, this + // is a weak test since is_equivalent() can only conclusively + // determine if two references refer to the same object, but it + // cannot determine if two refereneces do not refer to the same + // object. +}; + +class TAO_LB_FactoryCreationId_Equal_To +{ + // = TITLE + // Function object that compares equality of two + // FactoryCreationId values. + // + // = DESCRIPTION + // This class extracts the actual value of the FactoryCreationId + // from the CORBA::Any the FactoryCreationId is typedefed to. + +public: + + int operator() ( + const TAO_LoadBalancing::FactoryCreationId &lhs, + const TAO_LoadBalancing::FactoryCreationId &rhs) const; + // Check if two FactoryCreationId values are the same. +}; + + +#if defined (__ACE_INLINE__) +#include "LB_ObjectGroup_Equal_To.inl" +#endif /* __ACE_INLINE__ */ + +#include "ace/post.h" + +#endif /* TAO_LB_OBJECTGROUP_EQUAL_TO_H */ diff --git a/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Equal_To.inl b/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Equal_To.inl new file mode 100644 index 00000000000..7547d068b72 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Equal_To.inl @@ -0,0 +1,33 @@ +// -*- C++ -*- +// +// $Id$ + +ACE_INLINE int +TAO_LB_ObjectGroup_Equal_To::operator() ( + const TAO_LoadBalancing::ObjectGroup_ptr &lhs, + const TAO_LoadBalancing::ObjectGroup_ptr &rhs) const +{ + // As with all CORBA objects, the + // TAO_LoadBalancing::ObjectGroup::is_equivalent() returns 1 if two + // references refer to the same object. However, it is possible + // that is_equivalent() may return 0 even if both references refer + // to the same object. + + return lhs->_is_equivalent (rhs); +} + + +ACE_INLINE int +TAO_LB_FactoryCreationId_Equal_To::operator() ( + const TAO_LoadBalancing::FactoryCreationId &lhs, + const TAO_LoadBalancing::FactoryCreationId &rhs) const +{ + // A Load Balancer FactoryCreationId is simply a CORBA::ULong. + + CORBA::ULong lhs_id, rhs_id; + + lhs >>= lhs_id; + rhs >>= rhs_id; + + return (lhs_id == rhs_id); +} diff --git a/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Hash.cpp b/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Hash.cpp new file mode 100644 index 00000000000..e62af63bce6 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Hash.cpp @@ -0,0 +1,11 @@ +// -*- C++ -*- + +#include "LB_Hash.h" + +#if !defined (__ACE_INLINE__) +#include "LB_Hash.inl" +#endif /* __ACE_INLINE__ */ + +ACE_RCSID (TAO_LoadBalancing, + LB_Hash, + "$Id$") diff --git a/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Hash.h b/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Hash.h new file mode 100644 index 00000000000..488fa7bbc93 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Hash.h @@ -0,0 +1,71 @@ +// -*- C++ -*- +// +// $Id$ + +// ============================================================================ +// +// = LIBRARY +// TAO_LoadBalancing +// +// = FILENAME +// LB_Hash.h +// +// = AUTHOR +// Ossama Othman <ossama@uci.edu> +// +// ============================================================================ + +#ifndef TAO_LB_HASH_H +#define TAO_LB_HASH_H + +#include "ace/pre.h" + +#include "ace/config-all.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#include "LoadbalancingC.h" + +class TAO_LB_ObjectGroup_Hash +{ + // = TITLE + // Hash function object for generating a hash for an ObjectGroup + // reference. + // + // = DESCRIPTION + // This class basically wraps the CORBA::Object::_hash() method + // so that it can be utilized by a Hash Map. + +public: + + CORBA::ULong operator() (const TAO_LoadBalancing::ObjectGroup_ptr &) const; + // Invokes the _hash() method on the ObjectGroup reference. +}; + + +class TAO_LB_FactoryCreationId_Hash +{ + // = TITLE + // Hash function object for generating a hash for a + // FactoryCreationId. + // + // = DESCRIPTION + // Create a hash based on the contents of the FactoryCreationId. + +public: + + CORBA::ULong operator() (const TAO_LoadBalancing::FactoryCreationId &) const; + // Generates a hash value based on the contents of the + // FactoryCreationId. +}; + + +#if defined (__ACE_INLINE__) +#include "LB_Hash.inl" +#endif /* __ACE_INLINE__ */ + +#include "ace/post.h" + +#endif /* TAO_LB_HASH_H */ diff --git a/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Hash.inl b/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Hash.inl new file mode 100644 index 00000000000..fe12be1ad3f --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Hash.inl @@ -0,0 +1,25 @@ +// -*- C++ -*- +// +// $Id$ + +ACE_INLINE CORBA::ULong +TAO_LB_ObjectGroup_Hash::operator() ( + const TAO_LoadBalancing::ObjectGroup_ptr &object_group) const +{ + CORBA::ULong max = 4294967295UL; // Maximum 32-bit unsigned integer + return object_group->_hash (max); +} + +// ------------------------------------------------------------------- + +ACE_INLINE CORBA::ULong +TAO_LB_FactoryCreationId_Hash::operator() ( + const TAO_LoadBalancing::FactoryCreationId &factory_creation_id) const +{ + // A Load Balancer FactoryCreationId is simply a CORBA::ULong. + + CORBA::ULong id; + factory_creation_id >>= id; + + return id; +} diff --git a/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Map.h b/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Map.h new file mode 100644 index 00000000000..bc276fb0567 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LB_ObjectGroup_Map.h @@ -0,0 +1,104 @@ +// -*- C++ -*- + +//======================================================================= +/** + * @file LB_ObjectGroup_Map.h + * + * $Id$ + * + * @author Ossama Othman <ossama@uci.edu> + */ +//======================================================================= + + +#ifndef TAO_LB_OBJECTGROUP_MAP_H +#define TAO_LB_OBJECTGROUP_MAP_H + +#include "ace/pre.h" + +#include "ace/config-all.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#include "ace/Hash_Map_Manager.h" +#include "LB_Replica_Map.h" +#include "LB_ObjectGroup_Hash.h" +#include "LB_ObjectGroup_Equal_To.h" +#include "orbsvcs/LoadBalancingC.h" + +/** + * @class TAO_LB_ObjectGroup_Map + * + * @brief Map of RepositoryId to ObjectGroup reference, + * FactoryCreationId, replicas belonging to the ObjectGroup and + * corresponding replica-specific information. + * + * Implementation to be used by the Load Balancer ReplicationManager. + */ +class TAO_LB_ObjectGroup_Map +{ + +public: + + /** + * @class Map_Entry + * + * @brief Value field of the replica map. + * + * Mapping from and to all of the following fields: + * @param object_group, @param factory_creation_id, @param factory, + * and @param factory_creation_id. Therefore, we keep all the + * fields together in the map. + */ + struct Map_Entry + { + /// The RepositoryId corresponding to all Replicas in the + /// ObjectGroup. + CORBA::String_var type_id; + + /// Reference to the ObjectGroup. + TAO_LoadBalancing::ObjectGroup_var object_group; + + /// The FactoryCreationId corresponding to the ObjectGroup created + /// by the Load Balancer GenericFactory. + TAO_LoadBalancing::FactoryCreationId factory_creation_id; + + /// Hash map containing replica references and all related + /// information for each replica. + TAO_LB_Replica_Map replica_map; + }; + + /// type_id hash map. + typedef ACE_Hash_Map_Manager_Ex< + const char *, + Map_Entry *, + ACE_Hash<const char *>, + ACE_Equal_To<const char *>, + ACE_SYNCH_MUTEX> type_id_map; + + /// ObjectGroup hash map. + typedef ACE_Hash_Map_Manager_Ex< + TAO_LoadBalancing::ObjectGroup_ptr, + Map_Entry *, + TAO_LB_ObjectGroup_Hash, + TAO_LB_ObjectGroup_Equal_To, + ACE_SYNCH_MUTEX> ObjectGroup_map; + + /// FactoryCreationId hash map. + typedef ACE_Hash_Map_Manager_Ex< + TAO_LoadBalancing::FactoryCreationId, + Map_Entry *, + TAO_LB_FactoryCreationId_Hash, + TAO_LB_FactoryCreationId_Equal_To, + ACE_SYNCH_MUTEX> FactoryCreationId_map; + + int bind (const char *type_id, + TAO_LoadBalancing::ObjectGroup_ptr object_group, + TAO_LoadBalancing::FactoryCreationId &factory_creation_id); +}; + +#include "ace/post.h" + +#endif /* TAO_LB_OBJECTGROUP_MAP_H */ diff --git a/TAO/orbsvcs/orbsvcs/LB_Replica_Equal_To.cpp b/TAO/orbsvcs/orbsvcs/LB_Replica_Equal_To.cpp new file mode 100644 index 00000000000..f6c98a690f7 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LB_Replica_Equal_To.cpp @@ -0,0 +1,9 @@ +// -*- C++ -*- + +#include "LB_Replica_Equal_To.h" + +#if !defined (__ACE_INLINE__) +#include "LB_Replica_Equal_To.inl" +#endif /* __ACE_INLINE__ */ + +ACE_RCSID (TAO_LoadBalancing, LB_Replica_Equal_To, "$Id$") diff --git a/TAO/orbsvcs/orbsvcs/LB_Replica_Equal_To.h b/TAO/orbsvcs/orbsvcs/LB_Replica_Equal_To.h new file mode 100644 index 00000000000..0192ebf7dc7 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LB_Replica_Equal_To.h @@ -0,0 +1,81 @@ +// -*- C++ -*- +// +// $Id$ + +// ============================================================================ +// +// = LIBRARY +// TAO_LoadBalancing +// +// = FILENAME +// LB_Replica_Equal_To.h +// +// = AUTHOR +// Ossama Othman <ossama@uci.edu> +// +// ============================================================================ + +#ifndef TAO_LB_REPLICA_EQUAL_TO_H +#define TAO_LB_REPLICA_EQUAL_TO_H + +#include "ace/pre.h" + +#include "ace/config-all.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#include "LoadbalancingC.h" + +class TAO_LB_Replica_Equal_To +{ + // = TITLE + // Function object for comparing equivalence of two Replica + // references. + // + // = DESCRIPTION + // This class basically wraps the + // CORBA::Object::_is_equivalent() method so that it can be + // utilized by a Hash Map to determine equivalence of two + // external IDs. + +public: + + int operator() (const CORBA::Object_ptr &lhs, + const CORBA::Object_ptr &rhs) const; + // Invokes the CORBA::Object::_is_equivalent() method to determine + // if both references refer to the same object group. However, this + // is a weak test since is_equivalent() can only conclusively + // determine if two references refer to the same object, but it + // cannot determine if two refereneces do not refer to the same + // object. +}; + +class TAO_LB_Location_Equal_To +{ + // = TITLE + // Function object for comparing equivalence of two Locations + // + // = DESCRIPTION + // This class iterates through the contents of the two Locations + // being compared. If any of the corresponding contents of the + // Locations do not match, then the Locations are not equal. + +public: + + int operator() (const TAO_LoadBalancing::Location &lhs, + const TAO_LoadBalancing::Location &rhs) const; + // Iterate through the contents of each Location until a mismatch + // occurs. If no mismatch is found, then the Locations are + // considered equal. +}; + + +#if defined (__ACE_INLINE__) +#include "LB_Replica_Equal_To.inl" +#endif /* __ACE_INLINE__ */ + +#include "ace/post.h" + +#endif /* TAO_LB_REPLICA_EQUAL_TO_H */ diff --git a/TAO/orbsvcs/orbsvcs/LB_Replica_Equal_To.inl b/TAO/orbsvcs/orbsvcs/LB_Replica_Equal_To.inl new file mode 100644 index 00000000000..29db9835b3c --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LB_Replica_Equal_To.inl @@ -0,0 +1,37 @@ +// -*- C++ -*- +// +// $Id$ + +ACE_INLINE int +TAO_LB_Replica_Equal_To::operator() ( + const CORBA::Object_ptr &lhs, + const CORBA::Object_ptr &rhs) const +{ + // As with all CORBA objects, the + // CORBA::Object::_is_equivalent() returns 1 if two + // references refer to the same object. However, it is possible + // that is_equivalent() may return 0 even if both references refer + // to the same object. + + return lhs->_is_equivalent (rhs); +} + + +ACE_INLINE int +TAO_LB_Location_Equal_To::operator() ( + const TAO_LoadBalancing::Location &lhs, + const TAO_LoadBalancing::Location &rhs) const +{ + size_t lhs_length = lhs.length (); + size_t rhs_length = rhs.length (); + + if (lhs_length != rhs_length) + return 0; + + for (size_t i = 0; i < lhs_length; ++i) + if (ACE_OS::strcmp (lhs[i].id, rhs[i].id) != 0 + || ACE_OS::strcmp (lhs[i].kind), rhs[i].kind != 0) + return 0; + + return 1; +} diff --git a/TAO/orbsvcs/orbsvcs/LB_Replica_Hash.cpp b/TAO/orbsvcs/orbsvcs/LB_Replica_Hash.cpp new file mode 100644 index 00000000000..d1d7a538067 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LB_Replica_Hash.cpp @@ -0,0 +1,9 @@ +// -*- C++ -*- + +#include "LB_Replica_Hash.h" + +#if !defined (__ACE_INLINE__) +#include "LB_Replica_Hash.inl" +#endif /* __ACE_INLINE__ */ + +ACE_RCSID (TAO_LoadBalancing, LB_Replica_Hash, "$Id$") diff --git a/TAO/orbsvcs/orbsvcs/LB_Replica_Hash.h b/TAO/orbsvcs/orbsvcs/LB_Replica_Hash.h new file mode 100644 index 00000000000..e220dadf48a --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LB_Replica_Hash.h @@ -0,0 +1,72 @@ +// -*- C++ -*- +// +// $Id$ + +// ============================================================================ +// +// = LIBRARY +// TAO_LoadBalancing +// +// = FILENAME +// LB_Replica_Hash.h +// +// = AUTHOR +// Ossama Othman <ossama@uci.edu> +// +// ============================================================================ + +#ifndef TAO_LB_REPLICA_HASH_H +#define TAO_LB_REPLICA_HASH_H + +#include "ace/pre.h" + +#include "ace/config-all.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#include "ace/ACE.h" +#include "LoadbalancingC.h" + +class TAO_LB_Replica_Hash +{ + // = TITLE + // Hash function object for generating a hash for a Replica + // reference. + // + // = DESCRIPTION + // This class basically wraps the CORBA::Object::_hash() method + // so that it can be utilized by a Hash Map. + +public: + + CORBA::ULong operator() (const CORBA::::Object_ptr &replica) const; + // Invokes the _hash() method on the replica reference. +}; + + +class TAO_LB_Location_Hash +{ + // = TITLE + // Hash function object for generating a hash for a + // Location. + // + // = DESCRIPTION + // Create a hash based on the contents of the Location. + +public: + + CORBA::ULong operator() (const TAO_LoadBalancing::Location &) const; + // Generates a hash value based on the contents of the + // Location. +}; + + +#if defined (__ACE_INLINE__) +#include "LB_Replica_Hash.inl" +#endif /* __ACE_INLINE__ */ + +#include "ace/post.h" + +#endif /* TAO_LB_REPLICA_HASH_H */ diff --git a/TAO/orbsvcs/orbsvcs/LB_Replica_Hash.inl b/TAO/orbsvcs/orbsvcs/LB_Replica_Hash.inl new file mode 100644 index 00000000000..450a9797e48 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LB_Replica_Hash.inl @@ -0,0 +1,26 @@ +// -*- C++ -*- +// +// $Id$ + +ACE_INLINE CORBA::ULong +TAO_LB_Replica_Hash::operator() ( + const CORBA::Object_ptr &replica) const +{ + CORBA::ULong max = 4294967295UL; // Maximum 32-bit unsigned integer + return replica->_hash (max); +} + +ACE_INLINE CORBA::ULong +TAO_LB_Location_Hash::operator() ( + const TAO_LoadBalancing::Location &location) const +{ + CORBA::ULong hash = 0; + + size_t location_length = location.length (); + + for (size_t i = 0; i < location_length; ++i) + hash += (ACE::hash_pjw (location[i].id) + + ACE::hash_pjw (location[i].kind)); + + return hash; +} diff --git a/TAO/orbsvcs/orbsvcs/LB_Replica_Map.h b/TAO/orbsvcs/orbsvcs/LB_Replica_Map.h new file mode 100644 index 00000000000..e8995c3d31f --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LB_Replica_Map.h @@ -0,0 +1,91 @@ +// -*- C++ -*- +// +// $Id$ + +// ============================================================================ +// +// = LIBRARY +// TAO_LoadBalancing +// +// = FILENAME +// LB_Replica_Map.h +// +// = AUTHOR +// Ossama Othman <ossama@uci.edu> +// +// ============================================================================ + +#ifndef TAO_LB_REPLICA_MAP_H +#define TAO_LB_REPLICA_MAP_H + +#include "ace/pre.h" + +#include "ace/config-all.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#include "ace/Hash_Map_Manager.h" +#include "orbsvcs/LoadBalancingC.h" +#include "LB_Replica_Hash.h" +#include "LB_Replica_Equal_To.h" + +class TAO_LB_Replica_Map +{ + // = TITLE + // Map of replica references to location and factory. + // + // = DESCRIPTION + // Implementation to be used by the Load Balancer + // ReplicationManager. + +public: + + struct Map_Entry + { + // = TITLE + // Value field of the replica map. + // + // = DESCRIPTION + // We need a mapping from and to all of the following fields: + // <replica>, <location>, <factory>, and + // <factory_creation_id>. Therefore, we keep all the fields + // together in the map. + + CORBA::Object_var replica; + // Reference to the replica. + + TAO_LoadBalancer::FactoryInfo_var factory_info; + // Pointer to FactoryInfo structure associated with the replica. + + TAO_LoadBalancer::FactoryCreationId factory_creation_id; + // The FactoryCreationId corresponding to the replica created by + // the above factory. This factory creation ID is only valid if + // the corresponding factory reference above is not nil. + + TAO_LoadBalancer::Location &location = factory_info.the_location; + // The location where the replica resides. + }; + + typedef ACE_Hash_Map_Manager_Ex< + CORBA::Object_ptr, + Map_Entry *, + TAO_LB_Replica_Hash, + TAO_LB_Replica_Equal_To, + ACE_SYNCH_MUTEX> replica_map; + // replica hash map. + + typedef ACE_Hash_Map_Manager_Ex< + TAO_LoadBalancer::Location, + Map_Entry *, + TAO_LB_Location_Hash, + TAO_LB_Location_Equal_To, + ACE_SYNCH_MUTEX> location_map; + // location hash map. +}; + + +#include "ace/post.h" + +#endif /* TAO_LB_REPLICA_MAP_H */ diff --git a/TAO/orbsvcs/orbsvcs/LB_Replication_Manager.h b/TAO/orbsvcs/orbsvcs/LB_Replication_Manager.h new file mode 100644 index 00000000000..e900bfd1332 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LB_Replication_Manager.h @@ -0,0 +1,6 @@ +// -*- C++ -*- +// +// $Id$ + +CORBA::Object_ptr +TAO_LB_Replication_Manager:: diff --git a/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Equal_To.cpp b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Equal_To.cpp new file mode 100644 index 00000000000..f86d26808f7 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Equal_To.cpp @@ -0,0 +1,9 @@ +// -*- C++ -*- + +#include "LB_Equal_To.h" + +#if !defined (__ACE_INLINE__) +#include "LB_Equal_To.inl" +#endif /* __ACE_INLINE__ */ + +ACE_RCSID (TAO_LoadBalancing, LB_Equal_To, "$Id$") diff --git a/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Equal_To.h b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Equal_To.h new file mode 100644 index 00000000000..33eccb6d71f --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Equal_To.h @@ -0,0 +1,79 @@ +// -*- C++ -*- +// +// $Id$ + +// ============================================================================ +// +// = LIBRARY +// TAO_LoadBalancing +// +// = FILENAME +// LB_ObjectGroup_Equal_To.h +// +// = AUTHOR +// Ossama Othman <ossama@uci.edu> +// +// ============================================================================ + +#ifndef TAO_LB_OBJECTGROUP_EQUAL_TO_H +#define TAO_LB_OBJECTGROUP_EQUAL_TO_H + +#include "ace/pre.h" + +#include "ace/config-all.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#include "LoadbalancingC.h" + +class TAO_LB_ObjectGroup_Equal_To +{ + // = TITLE + // Function object that compares equality of two ObjectGroup + // references. + // + // = DESCRIPTION + // This class basically wraps the + // CORBA::Object::_is_equivalent() method so that it can be + // utilized by a Hash Map as a way to compare equality. + +public: + + int operator() (const TAO_LoadBalancing::ObjectGroup_ptr &lhs, + const TAO_LoadBalancing::ObjectGroup_ptr &rhs) const; + // Invokes the CORBA::Object::_is_equivalent() method to determine + // if both references refer to the same object group. However, this + // is a weak test since is_equivalent() can only conclusively + // determine if two references refer to the same object, but it + // cannot determine if two refereneces do not refer to the same + // object. +}; + +class TAO_LB_FactoryCreationId_Equal_To +{ + // = TITLE + // Function object that compares equality of two + // FactoryCreationId values. + // + // = DESCRIPTION + // This class extracts the actual value of the FactoryCreationId + // from the CORBA::Any the FactoryCreationId is typedefed to. + +public: + + int operator() ( + const TAO_LoadBalancing::FactoryCreationId &lhs, + const TAO_LoadBalancing::FactoryCreationId &rhs) const; + // Check if two FactoryCreationId values are the same. +}; + + +#if defined (__ACE_INLINE__) +#include "LB_ObjectGroup_Equal_To.inl" +#endif /* __ACE_INLINE__ */ + +#include "ace/post.h" + +#endif /* TAO_LB_OBJECTGROUP_EQUAL_TO_H */ diff --git a/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Equal_To.inl b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Equal_To.inl new file mode 100644 index 00000000000..7547d068b72 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Equal_To.inl @@ -0,0 +1,33 @@ +// -*- C++ -*- +// +// $Id$ + +ACE_INLINE int +TAO_LB_ObjectGroup_Equal_To::operator() ( + const TAO_LoadBalancing::ObjectGroup_ptr &lhs, + const TAO_LoadBalancing::ObjectGroup_ptr &rhs) const +{ + // As with all CORBA objects, the + // TAO_LoadBalancing::ObjectGroup::is_equivalent() returns 1 if two + // references refer to the same object. However, it is possible + // that is_equivalent() may return 0 even if both references refer + // to the same object. + + return lhs->_is_equivalent (rhs); +} + + +ACE_INLINE int +TAO_LB_FactoryCreationId_Equal_To::operator() ( + const TAO_LoadBalancing::FactoryCreationId &lhs, + const TAO_LoadBalancing::FactoryCreationId &rhs) const +{ + // A Load Balancer FactoryCreationId is simply a CORBA::ULong. + + CORBA::ULong lhs_id, rhs_id; + + lhs >>= lhs_id; + rhs >>= rhs_id; + + return (lhs_id == rhs_id); +} diff --git a/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Hash.cpp b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Hash.cpp new file mode 100644 index 00000000000..e62af63bce6 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Hash.cpp @@ -0,0 +1,11 @@ +// -*- C++ -*- + +#include "LB_Hash.h" + +#if !defined (__ACE_INLINE__) +#include "LB_Hash.inl" +#endif /* __ACE_INLINE__ */ + +ACE_RCSID (TAO_LoadBalancing, + LB_Hash, + "$Id$") diff --git a/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Hash.h b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Hash.h new file mode 100644 index 00000000000..488fa7bbc93 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Hash.h @@ -0,0 +1,71 @@ +// -*- C++ -*- +// +// $Id$ + +// ============================================================================ +// +// = LIBRARY +// TAO_LoadBalancing +// +// = FILENAME +// LB_Hash.h +// +// = AUTHOR +// Ossama Othman <ossama@uci.edu> +// +// ============================================================================ + +#ifndef TAO_LB_HASH_H +#define TAO_LB_HASH_H + +#include "ace/pre.h" + +#include "ace/config-all.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#include "LoadbalancingC.h" + +class TAO_LB_ObjectGroup_Hash +{ + // = TITLE + // Hash function object for generating a hash for an ObjectGroup + // reference. + // + // = DESCRIPTION + // This class basically wraps the CORBA::Object::_hash() method + // so that it can be utilized by a Hash Map. + +public: + + CORBA::ULong operator() (const TAO_LoadBalancing::ObjectGroup_ptr &) const; + // Invokes the _hash() method on the ObjectGroup reference. +}; + + +class TAO_LB_FactoryCreationId_Hash +{ + // = TITLE + // Hash function object for generating a hash for a + // FactoryCreationId. + // + // = DESCRIPTION + // Create a hash based on the contents of the FactoryCreationId. + +public: + + CORBA::ULong operator() (const TAO_LoadBalancing::FactoryCreationId &) const; + // Generates a hash value based on the contents of the + // FactoryCreationId. +}; + + +#if defined (__ACE_INLINE__) +#include "LB_Hash.inl" +#endif /* __ACE_INLINE__ */ + +#include "ace/post.h" + +#endif /* TAO_LB_HASH_H */ diff --git a/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Hash.inl b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Hash.inl new file mode 100644 index 00000000000..fe12be1ad3f --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Hash.inl @@ -0,0 +1,25 @@ +// -*- C++ -*- +// +// $Id$ + +ACE_INLINE CORBA::ULong +TAO_LB_ObjectGroup_Hash::operator() ( + const TAO_LoadBalancing::ObjectGroup_ptr &object_group) const +{ + CORBA::ULong max = 4294967295UL; // Maximum 32-bit unsigned integer + return object_group->_hash (max); +} + +// ------------------------------------------------------------------- + +ACE_INLINE CORBA::ULong +TAO_LB_FactoryCreationId_Hash::operator() ( + const TAO_LoadBalancing::FactoryCreationId &factory_creation_id) const +{ + // A Load Balancer FactoryCreationId is simply a CORBA::ULong. + + CORBA::ULong id; + factory_creation_id >>= id; + + return id; +} diff --git a/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Map.h b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Map.h new file mode 100644 index 00000000000..bc276fb0567 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_ObjectGroup_Map.h @@ -0,0 +1,104 @@ +// -*- C++ -*- + +//======================================================================= +/** + * @file LB_ObjectGroup_Map.h + * + * $Id$ + * + * @author Ossama Othman <ossama@uci.edu> + */ +//======================================================================= + + +#ifndef TAO_LB_OBJECTGROUP_MAP_H +#define TAO_LB_OBJECTGROUP_MAP_H + +#include "ace/pre.h" + +#include "ace/config-all.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#include "ace/Hash_Map_Manager.h" +#include "LB_Replica_Map.h" +#include "LB_ObjectGroup_Hash.h" +#include "LB_ObjectGroup_Equal_To.h" +#include "orbsvcs/LoadBalancingC.h" + +/** + * @class TAO_LB_ObjectGroup_Map + * + * @brief Map of RepositoryId to ObjectGroup reference, + * FactoryCreationId, replicas belonging to the ObjectGroup and + * corresponding replica-specific information. + * + * Implementation to be used by the Load Balancer ReplicationManager. + */ +class TAO_LB_ObjectGroup_Map +{ + +public: + + /** + * @class Map_Entry + * + * @brief Value field of the replica map. + * + * Mapping from and to all of the following fields: + * @param object_group, @param factory_creation_id, @param factory, + * and @param factory_creation_id. Therefore, we keep all the + * fields together in the map. + */ + struct Map_Entry + { + /// The RepositoryId corresponding to all Replicas in the + /// ObjectGroup. + CORBA::String_var type_id; + + /// Reference to the ObjectGroup. + TAO_LoadBalancing::ObjectGroup_var object_group; + + /// The FactoryCreationId corresponding to the ObjectGroup created + /// by the Load Balancer GenericFactory. + TAO_LoadBalancing::FactoryCreationId factory_creation_id; + + /// Hash map containing replica references and all related + /// information for each replica. + TAO_LB_Replica_Map replica_map; + }; + + /// type_id hash map. + typedef ACE_Hash_Map_Manager_Ex< + const char *, + Map_Entry *, + ACE_Hash<const char *>, + ACE_Equal_To<const char *>, + ACE_SYNCH_MUTEX> type_id_map; + + /// ObjectGroup hash map. + typedef ACE_Hash_Map_Manager_Ex< + TAO_LoadBalancing::ObjectGroup_ptr, + Map_Entry *, + TAO_LB_ObjectGroup_Hash, + TAO_LB_ObjectGroup_Equal_To, + ACE_SYNCH_MUTEX> ObjectGroup_map; + + /// FactoryCreationId hash map. + typedef ACE_Hash_Map_Manager_Ex< + TAO_LoadBalancing::FactoryCreationId, + Map_Entry *, + TAO_LB_FactoryCreationId_Hash, + TAO_LB_FactoryCreationId_Equal_To, + ACE_SYNCH_MUTEX> FactoryCreationId_map; + + int bind (const char *type_id, + TAO_LoadBalancing::ObjectGroup_ptr object_group, + TAO_LoadBalancing::FactoryCreationId &factory_creation_id); +}; + +#include "ace/post.h" + +#endif /* TAO_LB_OBJECTGROUP_MAP_H */ diff --git a/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Equal_To.cpp b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Equal_To.cpp new file mode 100644 index 00000000000..f6c98a690f7 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Equal_To.cpp @@ -0,0 +1,9 @@ +// -*- C++ -*- + +#include "LB_Replica_Equal_To.h" + +#if !defined (__ACE_INLINE__) +#include "LB_Replica_Equal_To.inl" +#endif /* __ACE_INLINE__ */ + +ACE_RCSID (TAO_LoadBalancing, LB_Replica_Equal_To, "$Id$") diff --git a/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Equal_To.h b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Equal_To.h new file mode 100644 index 00000000000..0192ebf7dc7 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Equal_To.h @@ -0,0 +1,81 @@ +// -*- C++ -*- +// +// $Id$ + +// ============================================================================ +// +// = LIBRARY +// TAO_LoadBalancing +// +// = FILENAME +// LB_Replica_Equal_To.h +// +// = AUTHOR +// Ossama Othman <ossama@uci.edu> +// +// ============================================================================ + +#ifndef TAO_LB_REPLICA_EQUAL_TO_H +#define TAO_LB_REPLICA_EQUAL_TO_H + +#include "ace/pre.h" + +#include "ace/config-all.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#include "LoadbalancingC.h" + +class TAO_LB_Replica_Equal_To +{ + // = TITLE + // Function object for comparing equivalence of two Replica + // references. + // + // = DESCRIPTION + // This class basically wraps the + // CORBA::Object::_is_equivalent() method so that it can be + // utilized by a Hash Map to determine equivalence of two + // external IDs. + +public: + + int operator() (const CORBA::Object_ptr &lhs, + const CORBA::Object_ptr &rhs) const; + // Invokes the CORBA::Object::_is_equivalent() method to determine + // if both references refer to the same object group. However, this + // is a weak test since is_equivalent() can only conclusively + // determine if two references refer to the same object, but it + // cannot determine if two refereneces do not refer to the same + // object. +}; + +class TAO_LB_Location_Equal_To +{ + // = TITLE + // Function object for comparing equivalence of two Locations + // + // = DESCRIPTION + // This class iterates through the contents of the two Locations + // being compared. If any of the corresponding contents of the + // Locations do not match, then the Locations are not equal. + +public: + + int operator() (const TAO_LoadBalancing::Location &lhs, + const TAO_LoadBalancing::Location &rhs) const; + // Iterate through the contents of each Location until a mismatch + // occurs. If no mismatch is found, then the Locations are + // considered equal. +}; + + +#if defined (__ACE_INLINE__) +#include "LB_Replica_Equal_To.inl" +#endif /* __ACE_INLINE__ */ + +#include "ace/post.h" + +#endif /* TAO_LB_REPLICA_EQUAL_TO_H */ diff --git a/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Equal_To.inl b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Equal_To.inl new file mode 100644 index 00000000000..29db9835b3c --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Equal_To.inl @@ -0,0 +1,37 @@ +// -*- C++ -*- +// +// $Id$ + +ACE_INLINE int +TAO_LB_Replica_Equal_To::operator() ( + const CORBA::Object_ptr &lhs, + const CORBA::Object_ptr &rhs) const +{ + // As with all CORBA objects, the + // CORBA::Object::_is_equivalent() returns 1 if two + // references refer to the same object. However, it is possible + // that is_equivalent() may return 0 even if both references refer + // to the same object. + + return lhs->_is_equivalent (rhs); +} + + +ACE_INLINE int +TAO_LB_Location_Equal_To::operator() ( + const TAO_LoadBalancing::Location &lhs, + const TAO_LoadBalancing::Location &rhs) const +{ + size_t lhs_length = lhs.length (); + size_t rhs_length = rhs.length (); + + if (lhs_length != rhs_length) + return 0; + + for (size_t i = 0; i < lhs_length; ++i) + if (ACE_OS::strcmp (lhs[i].id, rhs[i].id) != 0 + || ACE_OS::strcmp (lhs[i].kind), rhs[i].kind != 0) + return 0; + + return 1; +} diff --git a/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Hash.cpp b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Hash.cpp new file mode 100644 index 00000000000..d1d7a538067 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Hash.cpp @@ -0,0 +1,9 @@ +// -*- C++ -*- + +#include "LB_Replica_Hash.h" + +#if !defined (__ACE_INLINE__) +#include "LB_Replica_Hash.inl" +#endif /* __ACE_INLINE__ */ + +ACE_RCSID (TAO_LoadBalancing, LB_Replica_Hash, "$Id$") diff --git a/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Hash.h b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Hash.h new file mode 100644 index 00000000000..e220dadf48a --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Hash.h @@ -0,0 +1,72 @@ +// -*- C++ -*- +// +// $Id$ + +// ============================================================================ +// +// = LIBRARY +// TAO_LoadBalancing +// +// = FILENAME +// LB_Replica_Hash.h +// +// = AUTHOR +// Ossama Othman <ossama@uci.edu> +// +// ============================================================================ + +#ifndef TAO_LB_REPLICA_HASH_H +#define TAO_LB_REPLICA_HASH_H + +#include "ace/pre.h" + +#include "ace/config-all.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#include "ace/ACE.h" +#include "LoadbalancingC.h" + +class TAO_LB_Replica_Hash +{ + // = TITLE + // Hash function object for generating a hash for a Replica + // reference. + // + // = DESCRIPTION + // This class basically wraps the CORBA::Object::_hash() method + // so that it can be utilized by a Hash Map. + +public: + + CORBA::ULong operator() (const CORBA::::Object_ptr &replica) const; + // Invokes the _hash() method on the replica reference. +}; + + +class TAO_LB_Location_Hash +{ + // = TITLE + // Hash function object for generating a hash for a + // Location. + // + // = DESCRIPTION + // Create a hash based on the contents of the Location. + +public: + + CORBA::ULong operator() (const TAO_LoadBalancing::Location &) const; + // Generates a hash value based on the contents of the + // Location. +}; + + +#if defined (__ACE_INLINE__) +#include "LB_Replica_Hash.inl" +#endif /* __ACE_INLINE__ */ + +#include "ace/post.h" + +#endif /* TAO_LB_REPLICA_HASH_H */ diff --git a/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Hash.inl b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Hash.inl new file mode 100644 index 00000000000..450a9797e48 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Hash.inl @@ -0,0 +1,26 @@ +// -*- C++ -*- +// +// $Id$ + +ACE_INLINE CORBA::ULong +TAO_LB_Replica_Hash::operator() ( + const CORBA::Object_ptr &replica) const +{ + CORBA::ULong max = 4294967295UL; // Maximum 32-bit unsigned integer + return replica->_hash (max); +} + +ACE_INLINE CORBA::ULong +TAO_LB_Location_Hash::operator() ( + const TAO_LoadBalancing::Location &location) const +{ + CORBA::ULong hash = 0; + + size_t location_length = location.length (); + + for (size_t i = 0; i < location_length; ++i) + hash += (ACE::hash_pjw (location[i].id) + + ACE::hash_pjw (location[i].kind)); + + return hash; +} diff --git a/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Map.h b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Map.h new file mode 100644 index 00000000000..e8995c3d31f --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replica_Map.h @@ -0,0 +1,91 @@ +// -*- C++ -*- +// +// $Id$ + +// ============================================================================ +// +// = LIBRARY +// TAO_LoadBalancing +// +// = FILENAME +// LB_Replica_Map.h +// +// = AUTHOR +// Ossama Othman <ossama@uci.edu> +// +// ============================================================================ + +#ifndef TAO_LB_REPLICA_MAP_H +#define TAO_LB_REPLICA_MAP_H + +#include "ace/pre.h" + +#include "ace/config-all.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#include "ace/Hash_Map_Manager.h" +#include "orbsvcs/LoadBalancingC.h" +#include "LB_Replica_Hash.h" +#include "LB_Replica_Equal_To.h" + +class TAO_LB_Replica_Map +{ + // = TITLE + // Map of replica references to location and factory. + // + // = DESCRIPTION + // Implementation to be used by the Load Balancer + // ReplicationManager. + +public: + + struct Map_Entry + { + // = TITLE + // Value field of the replica map. + // + // = DESCRIPTION + // We need a mapping from and to all of the following fields: + // <replica>, <location>, <factory>, and + // <factory_creation_id>. Therefore, we keep all the fields + // together in the map. + + CORBA::Object_var replica; + // Reference to the replica. + + TAO_LoadBalancer::FactoryInfo_var factory_info; + // Pointer to FactoryInfo structure associated with the replica. + + TAO_LoadBalancer::FactoryCreationId factory_creation_id; + // The FactoryCreationId corresponding to the replica created by + // the above factory. This factory creation ID is only valid if + // the corresponding factory reference above is not nil. + + TAO_LoadBalancer::Location &location = factory_info.the_location; + // The location where the replica resides. + }; + + typedef ACE_Hash_Map_Manager_Ex< + CORBA::Object_ptr, + Map_Entry *, + TAO_LB_Replica_Hash, + TAO_LB_Replica_Equal_To, + ACE_SYNCH_MUTEX> replica_map; + // replica hash map. + + typedef ACE_Hash_Map_Manager_Ex< + TAO_LoadBalancer::Location, + Map_Entry *, + TAO_LB_Location_Hash, + TAO_LB_Location_Equal_To, + ACE_SYNCH_MUTEX> location_map; + // location hash map. +}; + + +#include "ace/post.h" + +#endif /* TAO_LB_REPLICA_MAP_H */ diff --git a/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replication_Manager.h b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replication_Manager.h new file mode 100644 index 00000000000..e900bfd1332 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LoadBalancing/LB_Replication_Manager.h @@ -0,0 +1,6 @@ +// -*- C++ -*- +// +// $Id$ + +CORBA::Object_ptr +TAO_LB_Replication_Manager:: diff --git a/TAO/orbsvcs/orbsvcs/LoadBalancing/LoadBalancingI.cpp b/TAO/orbsvcs/orbsvcs/LoadBalancing/LoadBalancingI.cpp new file mode 100644 index 00000000000..f8500c09cf2 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LoadBalancing/LoadBalancingI.cpp @@ -0,0 +1,620 @@ +// -*- C++ -*- +// +// $Id$ + +#include "LoadBalancingI.h" + +ACE_RCSID (LoadBalancing, + LoadBalancingI, + "$Id$") + + +// Implementation skeleton constructor +TAO_LoadBalancing_ReplicationManager_i::TAO_LoadBalancing_ReplicationManager_i +(void) + : locator_ (this), + poa_ (), + next_oid_ (0), + object_group_map_ () +{ + (void) this->init (); +} + +// Implementation skeleton destructor +TAO_LoadBalancing_ReplicationManager_i::~TAO_LoadBalancing_ReplicationManager_i (void) +{ +} + +void +TAO_LoadBalancing_ReplicationManager_i::register_load_notifier ( + TAO_LoadBalancing::LoadNotifier_ptr /* load_notifier */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT()); +} + +TAO_LoadBalancing::LoadNotifier_ptr +TAO_LoadBalancing_ReplicationManager_i::get_load_notifier ( + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InterfaceNotFound)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +void +TAO_LoadBalancing_ReplicationManager_i::set_default_properties ( + const TAO_LoadBalancing::Properties & /* props */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::UnsupportedProperty)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT()); +} + +TAO_LoadBalancing::Properties * +TAO_LoadBalancing_ReplicationManager_i::get_default_properties ( + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +void +TAO_LoadBalancing_ReplicationManager_i::remove_default_properties ( + const TAO_LoadBalancing::Properties & /* props */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::UnsupportedProperty)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +void +TAO_LoadBalancing_ReplicationManager_i::set_type_properties ( + const char * /* type_id */, + const TAO_LoadBalancing::Properties & /* overrides */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::UnsupportedProperty)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +TAO_LoadBalancing::Properties * +TAO_LoadBalancing_ReplicationManager_i::get_type_properties ( + const char * /* type_id */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +void +TAO_LoadBalancing_ReplicationManager_i::remove_type_properties ( + const char * /* type_id */, + const TAO_LoadBalancing::Properties & /* props */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::UnsupportedProperty)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +void +TAO_LoadBalancing_ReplicationManager_i::set_properties_dynamically ( + TAO_LoadBalancing::ObjectGroup_ptr /* object_group */, + const TAO_LoadBalancing::Properties & /* overrides */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::UnsupportedProperty)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +TAO_LoadBalancing::Properties * +TAO_LoadBalancing_ReplicationManager_i::get_properties ( + TAO_LoadBalancing::ObjectGroup_ptr /* object_group */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +TAO_LoadBalancing::ObjectGroup_ptr +TAO_LoadBalancing_ReplicationManager_i::create_member ( + TAO_LoadBalancing::ObjectGroup_ptr /* object_group */, + const TAO_LoadBalancing::Location & /* the_location */, + const char * /* type_id */, + const TAO_LoadBalancing::Criteria & /* the_criteria */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::MemberAlreadyPresent, + TAO_LoadBalancing::NoFactory, + TAO_LoadBalancing::ObjectNotCreated, + TAO_LoadBalancing::InvalidCriteria, + TAO_LoadBalancing::CannotMeetCriteria)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +TAO_LoadBalancing::ObjectGroup_ptr +TAO_LoadBalancing_ReplicationManager_i::add_member ( + TAO_LoadBalancing::ObjectGroup_ptr /* object_group */, + const TAO_LoadBalancing::Location & /* the_location */, + CORBA::Object_ptr /* member */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::MemberAlreadyPresent, + TAO_LoadBalancing::ObjectNotAdded)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +TAO_LoadBalancing::ObjectGroup_ptr +TAO_LoadBalancing_ReplicationManager_i::remove_member ( + TAO_LoadBalancing::ObjectGroup_ptr /* object_group */, + const TAO_LoadBalancing::Location & /* the_location */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::MemberNotFound)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +TAO_LoadBalancing::ObjectGroup_ptr +TAO_LoadBalancing_ReplicationManager_i::set_primary_member ( + TAO_LoadBalancing::ObjectGroup_ptr /* object_group */, + const TAO_LoadBalancing::Location & /* the_location */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::MemberNotFound, + TAO_LoadBalancing::PrimaryNotSet, + TAO_LoadBalancing::BadReplicationStyle)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +TAO_LoadBalancing::Locations * +TAO_LoadBalancing_ReplicationManager_i::locations_of_members ( + TAO_LoadBalancing::ObjectGroup_ptr /* object_group */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +TAO_LoadBalancing::ObjectGroupId +TAO_LoadBalancing_ReplicationManager_i::get_object_group_id ( + TAO_LoadBalancing::ObjectGroup_ptr /* object_group */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +TAO_LoadBalancing::ObjectGroup_ptr +TAO_LoadBalancing_ReplicationManager_i::get_object_group_ref ( + TAO_LoadBalancing::ObjectGroup_ptr /* object_group */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +CORBA::Object_ptr +TAO_LoadBalancing_ReplicationManager_i::get_member_ref ( + TAO_LoadBalancing::ObjectGroup_ptr /* object_group */, + const TAO_LoadBalancing::Location & loc, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::MemberNotFound)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +CORBA::Object_ptr +TAO_LoadBalancing_ReplicationManager_i::create_object ( + const char * type_id, + const TAO_LoadBalancing::Criteria & the_criteria, + TAO_LoadBalancing::GenericFactory::FactoryCreationId_out + factory_creation_id, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::NoFactory, + TAO_LoadBalancing::ObjectNotCreated, + TAO_LoadBalancing::InvalidCriteria, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::CannotMeetCriteria)) +{ + // Check if an ObjectGroup for the given type hasn't already been + // created. + if (this->object_group_map_.find_type_id (type_id) == 0) + ACE_THROW_RETURN (TAO_LoadBalancing::ObjectNotCreated ()); + + // List of invalid criteria. If this list has a length greater than + // zero, then the TAO_LoadBalancing::InvalidCriteria exception will + // be thrown. + TAO_Loadbalancing::Criteria invalid_criteria; + + int found_factory = 0; // If factory was found in the_criteria, then + // set to 1. + + // Parse the criteria. + int criteria_count = the_criteria.length (); + for (int i = 0; i < criteria_size; ++i) + { + CORBA::UShort initial_number_replicas = 0; + TAO_LoadBalancing::FactoryInfos factory_infos; + + // Obtain the InitialNumberReplicas from the_criteria. + if (this->get_initial_number_replicas (type_id, + the_criteria[i], + initial_number_replicas) != 0) + { + size_t length = invalid_criteria.length (); + invalid_criteria.length (length + 1); + invalid_criteria[length] = the_criteria[i]; + } + + // Obtain the FactoryInfos from the_criteria. This method also + // ensures that GenericFactories at different locations are used. + else if (this->get_factory_infos (type_id, + the_criteria[i], + factory_infos) == 0) + found_factory = 1; + + // Unknown property + else + ACE_THROW_RETURN (TAO_LoadBalancer::InvalidProperty ( + the_criteria[i].nam, + the_criteria[i].val), + CORBA::Object::_nil ()); + } + + if (invalid_criteria.length () != 0) + ACE_THROW_RETURN (TAO_LoadBalancing::InvalidCriteria (invalid_criteria), + CORBA::Object::_nil ()); + + if (found_factory == 0) + ACE_THROW_RETURN (TAO_LoadBalancing::NoFactory (), + CORBA::Object::_nil ()); + + return this->create_object_i (type_id, + initial_number_replicas, + factory_infos, + ACE_TRY_ENV); +} + +CORBA::Object_ptr +TAO_LoadBalancing_ReplicationManager_i::create_object_i ( + const char *type_id, + CORBA::UShort initial_number_replicas, + TAO_LoadBalancing::FactoryInfos &factory_infos, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::NoFactory, + TAO_LoadBalancing::ObjectNotCreated, + TAO_LoadBalancing::InvalidCriteria, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::CannotMeetCriteria)) +{ + size_t factory_infos_count = factory_infos.length (); + + // If the number of factories is less than the initial number of + // replicas, then the desired number of replicas cannot possibly be + // created. + if (factory_infos_count < initial_number_replicas) + ACE_THROW_RETURN (TAO_LoadBalancing::CannotMeetCriteria (), + CORBA::Object::_nil ()); + + TAO_LB_ObjectGroup_Map::Map_Entry *object_group_entry = 0; + ACE_NEW_THROW_EX (object_group_entry, + TAO_LB_ObjectGroup_Map::Map_Entry, + CORBA::NO_MEMORY ()); + ACE_CHECK_RETURN (CORBA::Object::_nil ()); + + auto_ptr<TAO_LB_ObjectGroup_Map> safe_object_group_entry ( + object_group_entry); + + for (int j = 0; j < factory_infos_count; ++j) + { + // The FactoryInfo::the_location member was used when + // determining which FactoryInfo + // member? + // @@ It looks like it is only used when the application + // control membership style is used. The application + // requests that a replica be created at a given + // "location," at which point the ReplicationManager + // searches through its registered FactoryInfos for a + // FactoryInfo with a "Location" member that matches + // the location at which to create the desired + // replica. + // @@ It is also used to ensure that only one replica of + // a given type is created at a given location. + + + TAO_LoadBalancing::FactoryInfo &factory_info = + factory_infos[j]; + + TAO_LoadBalancer::GenericFactory_ptr factory = + factory_info.factory; + + TAO_LoadBalancing::GenericFactory::FactoryCreationId_out + replica_factory_creation_id; + + CORBA::Object_var replica = + factory->create_object (type_id, + factory_info.the_criteria, + replica_factory_creation_id, + ACE_TRY_ENV); + ACE_CHECK_RETURN (CORBA::Object::_nil ()); + + // @@ Should an "_is_a()" be performed here? While it appears + // to be the right thing to do, it can be expensive. + // + // Make sure an Object of the correct type was created. It is + // possible that an object of the wrong type was created if the + // type_id parameter does not match the type of object the + // GenericFactory creates. + CORBA::Boolean right_type_id = + replica->_is_a (type_id, ACE_TRY_ENV); + ACE_CHECK_RETURN (CORBA::Object::_nil ()); + + if (!right_type_id) + { + // An Object of incorrect type was created. Delete it, and + // throw a NoFactory exception. + factory->delete_object (replica_factory_creation_id, + ACE_TRY_ENV); + ACE_CHECK_RETURN (CORBA::Object::_nil ()); + + ACE_THROW_RETURN (TAO_LoadBalancer::NoFactory (), + CORBA::Object::_nil ()); + } + + // Create a new Replica_Map map entry. + TAO_LB_Replica_Map::Map_Entry *replica_entry = 0; + ACE_NEW_THROW_EX (replica_entry, + TAO_LB_Replica_Map::Map_Entry, + CORBA::NO_MEMORY ()); + ACE_CHECK_RETURN (CORBA::Object::_nil ()); + + auto_ptr<TAO_LB_Replica_Map> safe_replica_entry (replica_entry); + + replica_entry->replica = replica; + + TAO_LoadBalancer::FactoryInfo *new_factory_info = 0; + ACE_NEW_THROW_EX (new_factory_info, + TAO_LoadBalancer::FactoryInfo, + CORBA::NO_MEMORY ()); + ACE_CHECK_RETURN (CORBA::Object::_nil ()); + + replica_entry->factory_info = new_factory_info; + + // Copy the FactoryInfo structure. A deep copy is actually + // performed here. + *new_factory_info = factory_info; + + replica_entry->factory_creation_id = replica_factory_creation_id; + + if (object_group_entry.replica_map.bind (replica_entry) != 0) + { + // An Object of incorrect type was created. Delete it, and + // throw a NoFactory exception. + factory->delete_object (replica_factory_creation_id, + ACE_TRY_ENV); + ACE_CHECK_RETURN (CORBA::Object::_nil ()); + + ACE_THROW_RETURN (TAO_LoadBalancer::ObjectNotCreated (), + CORBA::Object::_nil ()); + } + + // No longer need to protect the allocated Replica_Map. + safe_replica_entry.release (); + } + + // Create a reference for the ObjectGroup corresponding to the + // RepositoryId of the object being created. + + PortableServer::ObjectId_var oid; + this->get_ObjectId (oid.out ()); + + CORBA::Object_var object_group = + this->poa_->create_reference_with_id (oid.in (), + type_id, + ACE_TRY_ENV); + ACE_CHECK_RETURN (CORBA::Object::_nil ()); + + object_group_entry.type_id = CORBA::string_dup (type_id); + object_group_entry.object_group = object_group; + + // @@ This is ugly, and needs to be cleaned up. + object_group_entry.factory_creation_id = this->next_oid_ - 1; + + // Now (indirectly) associate the ObjectId with the ObjectGroup + // reference. + if (this->object_group_map_.bind (type_id, object_group_entry) != 0) + ACE_THROW_RETURN (TAO_LoadBalancer::ObjectNotCreated (), + CORBA::Object::_nil ()); + + // No longer need to protect the allocated ObjectGroup_Map. + safe_object_group_entry.release (); + + return CORBA::Object::_duplicate (object_group.in ()); +} + +void +TAO_LoadBalancing_ReplicationManager_i::get_initial_number_replicas () +{ + +} + +void +TAO_LoadBalancing_ReplicationManager_i::get_factory_infos () +{ + +} + +void +TAO_LoadBalancing_ReplicationManager_i::delete_object ( + const TAO_LoadBalancing::GenericFactory::FactoryCreationId & + factory_creation_id, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectNotFound)) +{ + ObjectGroup = this->object_groups_.find (factory_creation_id); + if (ObjectGroup == -1) + ACE_THROW (TAO_LoadBalancing::ObjectNotFound ()); + + // Delete the individual replicas at their local factories. + for (int i = 0; i < ObjectGroup.size (); ++i) + { + TAO_LoadBalancing::GenericFactory_ptr factory = + ObjectGroup[i].factory; + TAO_LoadBalancing::GenericFactory::FactoryCreationId + replica_factory_id = ObjectGroup[i].replica_factory_id; + factory->delete_object (replica_factory_id); + } + + // Now delete the ObjectGroup from the set of ObjectGroups. + this->object_groups_.unbind (factory_creation_id); +} + +int +TAO_LoadBalancing_ReplicationManager_i::init ( + PortableServer::POA_ptr root_poa) +{ + ACE_TRY_NEW_ENV + { + // Create a new transient servant manager object in the Root + // POA. + PortableServer::ServantManager_var servant_manager = + this->locator_._this (ACE_TRY_ENV); + ACE_TRY_CHECK; + + // Create the appropriate RequestProcessingPolicy + // (USE_SERVANT_MANAGER) and ServantRetentionPolicy (NON_RETAIN) + // for a ServantLocator. + PortableServer::RequestProcessingPolicy_var request = + root_poa->create_request_processing_policy ( + PortableServer::USE_SERVANT_MANAGER, + ACE_TRY_ENV); + ACE_TRY_CHECK; + + PortableServer::ServantRetentionPolicy_var retention = + root_poa->create_servant_retention_policy ( + PortableServer::NON_RETAIN, + ACE_TRY_ENV); + ACE_TRY_CHECK; + + // Create the PolicyList. + CORBA::PolicyList policy_list; + policy_list.length (2); + policy_list[0] = + PortableServer::RequestProcessingPolicy::_duplicate ( + request.in ()); + policy_list[1] = + PortableServer::ServantRetentionPolicy::_duplicate ( + retention.in ()); + + // Create the child POA with the above ServantManager policies. + // The ServantManager will be the ReplicaLocator. + PortableServer::POAManager_var poa_manager = + root_poa->the_POAManager (ACE_TRY_ENV); + ACE_TRY_CHECK; + this->poa_ = root_poa->create_POA ("TAO_LB_ReplicationManager_POA", + poa_manager.in (), + policy_list, + ACE_TRY_ENV); + ACE_TRY_CHECK; + + // Activate the child POA. + poa_manager->activate (ACE_TRY_ENV); + ACE_TRY_CHECK; + + request->destroy (ACE_TRY_ENV); + ACE_TRY_CHECK; + + retention->destroy (ACE_TRY_ENV); + ACE_TRY_CHECK; + + // Now set the ReplicaLocator as the child POA's Servant + // Manager. + this->poa_->set_servant_manager (servant_manager.in (), + ACE_TRY_ENV); + ACE_TRY_CHECK; + } + ACE_CATCHANY + { + // @@ Should we do anything here? + + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + "(%P|%t) TAO_LB_ReplicationManager_i::init:"); + + return -1; + } + ACE_ENDTRY; + + return 0; +} + +void +TAO_LoadBalancing_ReplicationManager_i::get_ObjectId ( + PortableServer::ObjectId_out &oid) +{ + // Since the POA used by the ReplicationManager uses the NON_RETAIN + // policy, explicitly choose an ObjectId that is unique to a given + // type. + + // Make the ObjectId be the next value of the number of types that + // have been registered with the ReplicationManager. For example, + // if two types of objects have been registered with the + // ReplicationManager, then the ObjectId for the object currently + // being registered will be "3" since the object will be the third + // type of object registered with the ReplicationManager. + // Previously used values will not be reused to ensure that a + // ServantLocator does not inadvertently return a reference to an + // object that had a previously used ObjectId. Specifcally, the + // numerical value used for the ObjectId increases monotonically. + + char oid_str[BUFSIZ] = { 0 }; + ACE_OS::sprintf (oid_str, + "%ul", + this->next_oid_); + + oid = PortableServer::string_to_ObjectId (oid_str); + + // Increment the value for the next ObjectId. + this->next_oid_++; +} + +void +TAO_LoadBalancing_ReplicationManager_i::operator= ( + TAO_LoadBalancing::FactoryInfo &lhs, + const TAO_LoadBalancing::FactoryInfo &rhs) +{ + lhs.factory = + TAO_LoadBalancing::GenericFactory::_duplicate (rhs.factory); + + lhs.the_location = rhs.the_location; + + lhs.the_criteria = rhs.the_criteria; +} diff --git a/TAO/orbsvcs/orbsvcs/LoadBalancing/LoadBalancingI.h b/TAO/orbsvcs/orbsvcs/LoadBalancing/LoadBalancingI.h new file mode 100644 index 00000000000..37f1ea7462a --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LoadBalancing/LoadBalancingI.h @@ -0,0 +1,336 @@ +// -*- C++ -*- + +//============================================================================= +/** + * @file ReplicaLocator.h + * + * $Id$ + * + * @author Ossama Othman <ossama@uci.edu> + */ +//============================================================================= + + +#ifndef TAO_LOADBALANCINGI_H +#define TAO_LOADBALANCINGI_H + +#include "ace/pre.h" + +#include "ace/Synch.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +#pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#include "orbsvcs/LoadBalancingS.h" +#include "LB_ObjectGroup_Map.h" + +class TAO_LoadBalancing_ReplicationManager_i + : public virtual POA_TAO_LoadBalancing::ReplicationManager +{ +public: + + /// Constructor. + TAO_LoadBalancing_ReplicationManager_i (void); + + /// Destructor. + ~TAO_LoadBalancing_ReplicationManager_i (void); + + /// Register a load notifier with the load balancer + /// ReplicationManager. + virtual void register_load_notifier ( + TAO_LoadBalancing::LoadNotifier_ptr load_notifier, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException)); + + /// Return a reference to the load notifier in use. + virtual TAO_LoadBalancing::LoadNotifier_ptr get_load_notifier ( + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InterfaceNotFound)); + + /** + * @name TAO_LoadBalancer::PropertyManager methods + */ + //@{ + + /// Set the default properties to be used by all object groups. + virtual void set_default_properties ( + const TAO_LoadBalancing::Properties & props, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::UnsupportedProperty)); + + /// Get the default properties used by all object groups. + virtual TAO_LoadBalancing::Properties * get_default_properties ( + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException)); + + /// Remove default properties. + virtual void remove_default_properties ( + const TAO_LoadBalancing::Properties & props, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::UnsupportedProperty)); + + /// Set properties associated with a given Replica type. These + /// properties override the default properties. + virtual void set_type_properties ( + const char * type_id, + const TAO_LoadBalancing::Properties & overrides, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::UnsupportedProperty)); + + /** + * Return the properties associated with a give Replica type. These + * properties include the type-specific properties in use, in + * addition to the default properties that were not overridden. + */ + virtual TAO_LoadBalancing::Properties * get_type_properties ( + const char * type_id, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException)); + + /// Remove the given properties associated with the Replica type ID. + virtual void remove_type_properties ( + const char * type_id, + const TAO_LoadBalancing::Properties & props, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::UnsupportedProperty)); + + /** + * Dynamically set the properties associated with a given object + * group as the load balancer and replicas are being executed. + * These properties override the type-specific and default + * properties. + */ + virtual void set_properties_dynamically ( + TAO_LoadBalancing::ObjectGroup_ptr object_group, + const TAO_LoadBalancing::Properties & overrides, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::UnsupportedProperty)); + + /** + * Return the properties currently in use by the given object + * group. These properties include those that were set dynamically, + * type-specific properties that weren't overridden, properties that + * were used when the Replica was created, and default properties + * that weren't overridden. + */ + virtual TAO_LoadBalancing::Properties * get_properties ( + TAO_LoadBalancing::ObjectGroup_ptr object_group, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound)); + + //@} + + /** + * @name TAO_LoadBalancer::ObjectGroupManager methods + */ + //@{ + + /// Create a member using the load balancer ObjectGroupManager, and + /// add the created object to the ObjectGroup. + virtual TAO_LoadBalancing::ObjectGroup_ptr create_member ( + TAO_LoadBalancing::ObjectGroup_ptr object_group, + const TAO_LoadBalancing::Location & the_location, + const char * type_id, + const TAO_LoadBalancing::Criteria & the_criteria, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::MemberAlreadyPresent, + TAO_LoadBalancing::NoFactory, + TAO_LoadBalancing::ObjectNotCreated, + TAO_LoadBalancing::InvalidCriteria, + TAO_LoadBalancing::CannotMeetCriteria)); + + /// Add an existing object to the ObjectGroup. + virtual TAO_LoadBalancing::ObjectGroup_ptr add_member ( + TAO_LoadBalancing::ObjectGroup_ptr object_group, + const TAO_LoadBalancing::Location & the_location, + CORBA::Object_ptr member, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::MemberAlreadyPresent, + TAO_LoadBalancing::ObjectNotAdded)); + + /** + * Remove an object at a specific location from the given + * ObjectGroup. Deletion of application created objects must be + * deleted by the application. Objects created by the + * infrastructure (load balancer) will be deleted by the + * infrastructure. + */ + virtual TAO_LoadBalancing::ObjectGroup_ptr remove_member ( + TAO_LoadBalancing::ObjectGroup_ptr object_group, + const TAO_LoadBalancing::Location & the_location, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::MemberNotFound)); + + /// Return the locations of the members in the given ObjectGroup. + virtual TAO_LoadBalancing::Locations * locations_of_members ( + TAO_LoadBalancing::ObjectGroup_ptr object_group, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound)); + + /// Return the ObjectGroupId for the given ObjectGroup. + virtual TAO_LoadBalancing::ObjectGroupId get_object_group_id ( + TAO_LoadBalancing::ObjectGroup_ptr object_group, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound)); + + /// @note Does this method make sense for load balanced objects? + virtual TAO_LoadBalancing::ObjectGroup_ptr get_object_group_ref ( + TAO_LoadBalancing::ObjectGroup_ptr object_group, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound)); + + /// Return the reference corresponding to the Replica of a given + /// ObjectGroup at the given location. + virtual CORBA::Object_ptr get_member_ref ( + TAO_LoadBalancing::ObjectGroup_ptr object_group, + const TAO_LoadBalancing::Location & loc, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::MemberNotFound)); + + //@} + + /** + * @name TAO_LoadBalancer::GenericFactory methods + */ + //@{ + + /** + * Create an object of the specified type that adheres to the + * restrictions defined by the provided Criteria. The out + * FactoryCreationId parameter may be passed to the delete_object() + * method to delete the object. + */ + virtual CORBA::Object_ptr create_object ( + const char * type_id, + const TAO_LoadBalancing::Criteria & the_criteria, + TAO_LoadBalancing::GenericFactory::FactoryCreationId_out + factory_creation_id, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::NoFactory, + TAO_LoadBalancing::ObjectNotCreated, + TAO_LoadBalancing::InvalidCriteria, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::CannotMeetCriteria)); + + /** + * Delete the object corresponding to the provided + * FactoryCreationId. If the object is actually an ObjectGroup, + * then all members within the ObjectGroup will be deleted. + * Afterward, the ObjectGroup itself will be deleted. + */ + virtual void delete_object ( + const TAO_LoadBalancing::GenericFactory::FactoryCreationId & + factory_creation_id, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectNotFound)); + + //@} + +private: + + /// Helper method that creates replicas of the given type. + void create_object_i ( + const char * type_id, + CORBA::UShort initial_number_replicas, + TAO_LoadBalancing::FactoryInfos &factory_infos, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::NoFactory, + TAO_LoadBalancing::ObjectNotCreated, + TAO_LoadBalancing::InvalidCriteria, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::CannotMeetCriteria)); + + /// Extract the value of the InitialNumberReplicas property from + /// the_criteria. + int get_initial_number_replicas ( + const char *type_id, + const TAO_LoadBalancing::Criteria &the_criteria, + CORBA::UShort &initial_number_replicas) const; + + /** + * Extract the value of the Factories property from the_criteria. + * This method ensures that the locations in the returned + * FactoryInfos are unique. This is necessary to ensure that only + * one replica of a given type is created by the load balancer at a + * given location. + */ + int get_factory_infos ( + const char *type_id, + const TAO_LoadBalancing::Criteria &the_criteria, + TAO_LoadBalancing::FactoryInfos &factory_infos) const; + + /// Create a POA with the appropriate policies to support + /// ServantLocators (i.e. the ReplicaLocator). + int init (PortableServer::POA_ptr root_poa); + + /** + * Get a new ObjectId to be used when creating a new ObjectGroup. + * An ObjectId created by this method will never be reused within + * the scope of a given ReplicationManager. A value suitable for + * use in a map association <ext_id> is also returned. + */ + void get_ObjectId (PortableServer::ObjectId &oid, + TAO_LB_ObjectGroup_EXT_ID &ext_id); + + /// Assignment operator for TAO_LoadBalancer::FactoryInfo instances. + void operator= (TAO_LoadBalancer::FactoryInfo &lhs, + const TAO_LoadBalancer::FactoryInfo &rhs); + +private: + + /// The object that tells the invoking client to forward its requests + /// from the LoadBalancer to an actual replica. + TAO_LB_ReplicaLocator locator_; + + /// The POA that dispatches requests to the ReplicaLocator. + PortableServer::POA_var poa_; + + /// ObjectId to be used for the next ObjectGroup that is created. + CORBA::ULong next_oid_; + + /// Map between RepositoryId, ObjectGroup reference, replica list and + /// factory creation ID. + TAO_LB_ObjectGroup_Map object_group_map_; + + /** + * Value that is used when assigning a FactoryCreationId to the + * factory that was used to create a given ObjectGroup. The + * FactoryCreationId is typically comprised of this value in + * addition to another value that makes it unique to a given Load + * Balancer. + */ + CORBA::ULong next_factory_num_; + +}; + +#include "ace/post.h" + +#endif /* LOADBALANCINGI_H */ diff --git a/TAO/orbsvcs/orbsvcs/LoadBalancing/ObjectGroupManager.cpp b/TAO/orbsvcs/orbsvcs/LoadBalancing/ObjectGroupManager.cpp new file mode 100644 index 00000000000..e2e9ce3f6c9 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LoadBalancing/ObjectGroupManager.cpp @@ -0,0 +1,13 @@ +// -*- C++ -*- + +#include "ObjectGroupManager.h" + + +ACE_RCSID (LoadBalancing, + ObjectGroupManager, + "$Id$") + +#if !defined (__ACE_INLINE__) +#include "LoadBalancer_i.i" +#endif /* __ACE_INLINE__ */ + diff --git a/TAO/orbsvcs/orbsvcs/LoadBalancingI.cpp b/TAO/orbsvcs/orbsvcs/LoadBalancingI.cpp new file mode 100644 index 00000000000..f8500c09cf2 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LoadBalancingI.cpp @@ -0,0 +1,620 @@ +// -*- C++ -*- +// +// $Id$ + +#include "LoadBalancingI.h" + +ACE_RCSID (LoadBalancing, + LoadBalancingI, + "$Id$") + + +// Implementation skeleton constructor +TAO_LoadBalancing_ReplicationManager_i::TAO_LoadBalancing_ReplicationManager_i +(void) + : locator_ (this), + poa_ (), + next_oid_ (0), + object_group_map_ () +{ + (void) this->init (); +} + +// Implementation skeleton destructor +TAO_LoadBalancing_ReplicationManager_i::~TAO_LoadBalancing_ReplicationManager_i (void) +{ +} + +void +TAO_LoadBalancing_ReplicationManager_i::register_load_notifier ( + TAO_LoadBalancing::LoadNotifier_ptr /* load_notifier */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT()); +} + +TAO_LoadBalancing::LoadNotifier_ptr +TAO_LoadBalancing_ReplicationManager_i::get_load_notifier ( + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InterfaceNotFound)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +void +TAO_LoadBalancing_ReplicationManager_i::set_default_properties ( + const TAO_LoadBalancing::Properties & /* props */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::UnsupportedProperty)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT()); +} + +TAO_LoadBalancing::Properties * +TAO_LoadBalancing_ReplicationManager_i::get_default_properties ( + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +void +TAO_LoadBalancing_ReplicationManager_i::remove_default_properties ( + const TAO_LoadBalancing::Properties & /* props */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::UnsupportedProperty)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +void +TAO_LoadBalancing_ReplicationManager_i::set_type_properties ( + const char * /* type_id */, + const TAO_LoadBalancing::Properties & /* overrides */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::UnsupportedProperty)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +TAO_LoadBalancing::Properties * +TAO_LoadBalancing_ReplicationManager_i::get_type_properties ( + const char * /* type_id */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +void +TAO_LoadBalancing_ReplicationManager_i::remove_type_properties ( + const char * /* type_id */, + const TAO_LoadBalancing::Properties & /* props */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::UnsupportedProperty)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +void +TAO_LoadBalancing_ReplicationManager_i::set_properties_dynamically ( + TAO_LoadBalancing::ObjectGroup_ptr /* object_group */, + const TAO_LoadBalancing::Properties & /* overrides */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::UnsupportedProperty)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +TAO_LoadBalancing::Properties * +TAO_LoadBalancing_ReplicationManager_i::get_properties ( + TAO_LoadBalancing::ObjectGroup_ptr /* object_group */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +TAO_LoadBalancing::ObjectGroup_ptr +TAO_LoadBalancing_ReplicationManager_i::create_member ( + TAO_LoadBalancing::ObjectGroup_ptr /* object_group */, + const TAO_LoadBalancing::Location & /* the_location */, + const char * /* type_id */, + const TAO_LoadBalancing::Criteria & /* the_criteria */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::MemberAlreadyPresent, + TAO_LoadBalancing::NoFactory, + TAO_LoadBalancing::ObjectNotCreated, + TAO_LoadBalancing::InvalidCriteria, + TAO_LoadBalancing::CannotMeetCriteria)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +TAO_LoadBalancing::ObjectGroup_ptr +TAO_LoadBalancing_ReplicationManager_i::add_member ( + TAO_LoadBalancing::ObjectGroup_ptr /* object_group */, + const TAO_LoadBalancing::Location & /* the_location */, + CORBA::Object_ptr /* member */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::MemberAlreadyPresent, + TAO_LoadBalancing::ObjectNotAdded)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +TAO_LoadBalancing::ObjectGroup_ptr +TAO_LoadBalancing_ReplicationManager_i::remove_member ( + TAO_LoadBalancing::ObjectGroup_ptr /* object_group */, + const TAO_LoadBalancing::Location & /* the_location */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::MemberNotFound)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +TAO_LoadBalancing::ObjectGroup_ptr +TAO_LoadBalancing_ReplicationManager_i::set_primary_member ( + TAO_LoadBalancing::ObjectGroup_ptr /* object_group */, + const TAO_LoadBalancing::Location & /* the_location */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::MemberNotFound, + TAO_LoadBalancing::PrimaryNotSet, + TAO_LoadBalancing::BadReplicationStyle)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +TAO_LoadBalancing::Locations * +TAO_LoadBalancing_ReplicationManager_i::locations_of_members ( + TAO_LoadBalancing::ObjectGroup_ptr /* object_group */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +TAO_LoadBalancing::ObjectGroupId +TAO_LoadBalancing_ReplicationManager_i::get_object_group_id ( + TAO_LoadBalancing::ObjectGroup_ptr /* object_group */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +TAO_LoadBalancing::ObjectGroup_ptr +TAO_LoadBalancing_ReplicationManager_i::get_object_group_ref ( + TAO_LoadBalancing::ObjectGroup_ptr /* object_group */, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +CORBA::Object_ptr +TAO_LoadBalancing_ReplicationManager_i::get_member_ref ( + TAO_LoadBalancing::ObjectGroup_ptr /* object_group */, + const TAO_LoadBalancing::Location & loc, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::MemberNotFound)) +{ + ACE_THROW (CORBA::NO_IMPLEMENT ()); +} + +CORBA::Object_ptr +TAO_LoadBalancing_ReplicationManager_i::create_object ( + const char * type_id, + const TAO_LoadBalancing::Criteria & the_criteria, + TAO_LoadBalancing::GenericFactory::FactoryCreationId_out + factory_creation_id, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::NoFactory, + TAO_LoadBalancing::ObjectNotCreated, + TAO_LoadBalancing::InvalidCriteria, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::CannotMeetCriteria)) +{ + // Check if an ObjectGroup for the given type hasn't already been + // created. + if (this->object_group_map_.find_type_id (type_id) == 0) + ACE_THROW_RETURN (TAO_LoadBalancing::ObjectNotCreated ()); + + // List of invalid criteria. If this list has a length greater than + // zero, then the TAO_LoadBalancing::InvalidCriteria exception will + // be thrown. + TAO_Loadbalancing::Criteria invalid_criteria; + + int found_factory = 0; // If factory was found in the_criteria, then + // set to 1. + + // Parse the criteria. + int criteria_count = the_criteria.length (); + for (int i = 0; i < criteria_size; ++i) + { + CORBA::UShort initial_number_replicas = 0; + TAO_LoadBalancing::FactoryInfos factory_infos; + + // Obtain the InitialNumberReplicas from the_criteria. + if (this->get_initial_number_replicas (type_id, + the_criteria[i], + initial_number_replicas) != 0) + { + size_t length = invalid_criteria.length (); + invalid_criteria.length (length + 1); + invalid_criteria[length] = the_criteria[i]; + } + + // Obtain the FactoryInfos from the_criteria. This method also + // ensures that GenericFactories at different locations are used. + else if (this->get_factory_infos (type_id, + the_criteria[i], + factory_infos) == 0) + found_factory = 1; + + // Unknown property + else + ACE_THROW_RETURN (TAO_LoadBalancer::InvalidProperty ( + the_criteria[i].nam, + the_criteria[i].val), + CORBA::Object::_nil ()); + } + + if (invalid_criteria.length () != 0) + ACE_THROW_RETURN (TAO_LoadBalancing::InvalidCriteria (invalid_criteria), + CORBA::Object::_nil ()); + + if (found_factory == 0) + ACE_THROW_RETURN (TAO_LoadBalancing::NoFactory (), + CORBA::Object::_nil ()); + + return this->create_object_i (type_id, + initial_number_replicas, + factory_infos, + ACE_TRY_ENV); +} + +CORBA::Object_ptr +TAO_LoadBalancing_ReplicationManager_i::create_object_i ( + const char *type_id, + CORBA::UShort initial_number_replicas, + TAO_LoadBalancing::FactoryInfos &factory_infos, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::NoFactory, + TAO_LoadBalancing::ObjectNotCreated, + TAO_LoadBalancing::InvalidCriteria, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::CannotMeetCriteria)) +{ + size_t factory_infos_count = factory_infos.length (); + + // If the number of factories is less than the initial number of + // replicas, then the desired number of replicas cannot possibly be + // created. + if (factory_infos_count < initial_number_replicas) + ACE_THROW_RETURN (TAO_LoadBalancing::CannotMeetCriteria (), + CORBA::Object::_nil ()); + + TAO_LB_ObjectGroup_Map::Map_Entry *object_group_entry = 0; + ACE_NEW_THROW_EX (object_group_entry, + TAO_LB_ObjectGroup_Map::Map_Entry, + CORBA::NO_MEMORY ()); + ACE_CHECK_RETURN (CORBA::Object::_nil ()); + + auto_ptr<TAO_LB_ObjectGroup_Map> safe_object_group_entry ( + object_group_entry); + + for (int j = 0; j < factory_infos_count; ++j) + { + // The FactoryInfo::the_location member was used when + // determining which FactoryInfo + // member? + // @@ It looks like it is only used when the application + // control membership style is used. The application + // requests that a replica be created at a given + // "location," at which point the ReplicationManager + // searches through its registered FactoryInfos for a + // FactoryInfo with a "Location" member that matches + // the location at which to create the desired + // replica. + // @@ It is also used to ensure that only one replica of + // a given type is created at a given location. + + + TAO_LoadBalancing::FactoryInfo &factory_info = + factory_infos[j]; + + TAO_LoadBalancer::GenericFactory_ptr factory = + factory_info.factory; + + TAO_LoadBalancing::GenericFactory::FactoryCreationId_out + replica_factory_creation_id; + + CORBA::Object_var replica = + factory->create_object (type_id, + factory_info.the_criteria, + replica_factory_creation_id, + ACE_TRY_ENV); + ACE_CHECK_RETURN (CORBA::Object::_nil ()); + + // @@ Should an "_is_a()" be performed here? While it appears + // to be the right thing to do, it can be expensive. + // + // Make sure an Object of the correct type was created. It is + // possible that an object of the wrong type was created if the + // type_id parameter does not match the type of object the + // GenericFactory creates. + CORBA::Boolean right_type_id = + replica->_is_a (type_id, ACE_TRY_ENV); + ACE_CHECK_RETURN (CORBA::Object::_nil ()); + + if (!right_type_id) + { + // An Object of incorrect type was created. Delete it, and + // throw a NoFactory exception. + factory->delete_object (replica_factory_creation_id, + ACE_TRY_ENV); + ACE_CHECK_RETURN (CORBA::Object::_nil ()); + + ACE_THROW_RETURN (TAO_LoadBalancer::NoFactory (), + CORBA::Object::_nil ()); + } + + // Create a new Replica_Map map entry. + TAO_LB_Replica_Map::Map_Entry *replica_entry = 0; + ACE_NEW_THROW_EX (replica_entry, + TAO_LB_Replica_Map::Map_Entry, + CORBA::NO_MEMORY ()); + ACE_CHECK_RETURN (CORBA::Object::_nil ()); + + auto_ptr<TAO_LB_Replica_Map> safe_replica_entry (replica_entry); + + replica_entry->replica = replica; + + TAO_LoadBalancer::FactoryInfo *new_factory_info = 0; + ACE_NEW_THROW_EX (new_factory_info, + TAO_LoadBalancer::FactoryInfo, + CORBA::NO_MEMORY ()); + ACE_CHECK_RETURN (CORBA::Object::_nil ()); + + replica_entry->factory_info = new_factory_info; + + // Copy the FactoryInfo structure. A deep copy is actually + // performed here. + *new_factory_info = factory_info; + + replica_entry->factory_creation_id = replica_factory_creation_id; + + if (object_group_entry.replica_map.bind (replica_entry) != 0) + { + // An Object of incorrect type was created. Delete it, and + // throw a NoFactory exception. + factory->delete_object (replica_factory_creation_id, + ACE_TRY_ENV); + ACE_CHECK_RETURN (CORBA::Object::_nil ()); + + ACE_THROW_RETURN (TAO_LoadBalancer::ObjectNotCreated (), + CORBA::Object::_nil ()); + } + + // No longer need to protect the allocated Replica_Map. + safe_replica_entry.release (); + } + + // Create a reference for the ObjectGroup corresponding to the + // RepositoryId of the object being created. + + PortableServer::ObjectId_var oid; + this->get_ObjectId (oid.out ()); + + CORBA::Object_var object_group = + this->poa_->create_reference_with_id (oid.in (), + type_id, + ACE_TRY_ENV); + ACE_CHECK_RETURN (CORBA::Object::_nil ()); + + object_group_entry.type_id = CORBA::string_dup (type_id); + object_group_entry.object_group = object_group; + + // @@ This is ugly, and needs to be cleaned up. + object_group_entry.factory_creation_id = this->next_oid_ - 1; + + // Now (indirectly) associate the ObjectId with the ObjectGroup + // reference. + if (this->object_group_map_.bind (type_id, object_group_entry) != 0) + ACE_THROW_RETURN (TAO_LoadBalancer::ObjectNotCreated (), + CORBA::Object::_nil ()); + + // No longer need to protect the allocated ObjectGroup_Map. + safe_object_group_entry.release (); + + return CORBA::Object::_duplicate (object_group.in ()); +} + +void +TAO_LoadBalancing_ReplicationManager_i::get_initial_number_replicas () +{ + +} + +void +TAO_LoadBalancing_ReplicationManager_i::get_factory_infos () +{ + +} + +void +TAO_LoadBalancing_ReplicationManager_i::delete_object ( + const TAO_LoadBalancing::GenericFactory::FactoryCreationId & + factory_creation_id, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectNotFound)) +{ + ObjectGroup = this->object_groups_.find (factory_creation_id); + if (ObjectGroup == -1) + ACE_THROW (TAO_LoadBalancing::ObjectNotFound ()); + + // Delete the individual replicas at their local factories. + for (int i = 0; i < ObjectGroup.size (); ++i) + { + TAO_LoadBalancing::GenericFactory_ptr factory = + ObjectGroup[i].factory; + TAO_LoadBalancing::GenericFactory::FactoryCreationId + replica_factory_id = ObjectGroup[i].replica_factory_id; + factory->delete_object (replica_factory_id); + } + + // Now delete the ObjectGroup from the set of ObjectGroups. + this->object_groups_.unbind (factory_creation_id); +} + +int +TAO_LoadBalancing_ReplicationManager_i::init ( + PortableServer::POA_ptr root_poa) +{ + ACE_TRY_NEW_ENV + { + // Create a new transient servant manager object in the Root + // POA. + PortableServer::ServantManager_var servant_manager = + this->locator_._this (ACE_TRY_ENV); + ACE_TRY_CHECK; + + // Create the appropriate RequestProcessingPolicy + // (USE_SERVANT_MANAGER) and ServantRetentionPolicy (NON_RETAIN) + // for a ServantLocator. + PortableServer::RequestProcessingPolicy_var request = + root_poa->create_request_processing_policy ( + PortableServer::USE_SERVANT_MANAGER, + ACE_TRY_ENV); + ACE_TRY_CHECK; + + PortableServer::ServantRetentionPolicy_var retention = + root_poa->create_servant_retention_policy ( + PortableServer::NON_RETAIN, + ACE_TRY_ENV); + ACE_TRY_CHECK; + + // Create the PolicyList. + CORBA::PolicyList policy_list; + policy_list.length (2); + policy_list[0] = + PortableServer::RequestProcessingPolicy::_duplicate ( + request.in ()); + policy_list[1] = + PortableServer::ServantRetentionPolicy::_duplicate ( + retention.in ()); + + // Create the child POA with the above ServantManager policies. + // The ServantManager will be the ReplicaLocator. + PortableServer::POAManager_var poa_manager = + root_poa->the_POAManager (ACE_TRY_ENV); + ACE_TRY_CHECK; + this->poa_ = root_poa->create_POA ("TAO_LB_ReplicationManager_POA", + poa_manager.in (), + policy_list, + ACE_TRY_ENV); + ACE_TRY_CHECK; + + // Activate the child POA. + poa_manager->activate (ACE_TRY_ENV); + ACE_TRY_CHECK; + + request->destroy (ACE_TRY_ENV); + ACE_TRY_CHECK; + + retention->destroy (ACE_TRY_ENV); + ACE_TRY_CHECK; + + // Now set the ReplicaLocator as the child POA's Servant + // Manager. + this->poa_->set_servant_manager (servant_manager.in (), + ACE_TRY_ENV); + ACE_TRY_CHECK; + } + ACE_CATCHANY + { + // @@ Should we do anything here? + + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + "(%P|%t) TAO_LB_ReplicationManager_i::init:"); + + return -1; + } + ACE_ENDTRY; + + return 0; +} + +void +TAO_LoadBalancing_ReplicationManager_i::get_ObjectId ( + PortableServer::ObjectId_out &oid) +{ + // Since the POA used by the ReplicationManager uses the NON_RETAIN + // policy, explicitly choose an ObjectId that is unique to a given + // type. + + // Make the ObjectId be the next value of the number of types that + // have been registered with the ReplicationManager. For example, + // if two types of objects have been registered with the + // ReplicationManager, then the ObjectId for the object currently + // being registered will be "3" since the object will be the third + // type of object registered with the ReplicationManager. + // Previously used values will not be reused to ensure that a + // ServantLocator does not inadvertently return a reference to an + // object that had a previously used ObjectId. Specifcally, the + // numerical value used for the ObjectId increases monotonically. + + char oid_str[BUFSIZ] = { 0 }; + ACE_OS::sprintf (oid_str, + "%ul", + this->next_oid_); + + oid = PortableServer::string_to_ObjectId (oid_str); + + // Increment the value for the next ObjectId. + this->next_oid_++; +} + +void +TAO_LoadBalancing_ReplicationManager_i::operator= ( + TAO_LoadBalancing::FactoryInfo &lhs, + const TAO_LoadBalancing::FactoryInfo &rhs) +{ + lhs.factory = + TAO_LoadBalancing::GenericFactory::_duplicate (rhs.factory); + + lhs.the_location = rhs.the_location; + + lhs.the_criteria = rhs.the_criteria; +} diff --git a/TAO/orbsvcs/orbsvcs/LoadBalancingI.h b/TAO/orbsvcs/orbsvcs/LoadBalancingI.h new file mode 100644 index 00000000000..37f1ea7462a --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/LoadBalancingI.h @@ -0,0 +1,336 @@ +// -*- C++ -*- + +//============================================================================= +/** + * @file ReplicaLocator.h + * + * $Id$ + * + * @author Ossama Othman <ossama@uci.edu> + */ +//============================================================================= + + +#ifndef TAO_LOADBALANCINGI_H +#define TAO_LOADBALANCINGI_H + +#include "ace/pre.h" + +#include "ace/Synch.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +#pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +#include "orbsvcs/LoadBalancingS.h" +#include "LB_ObjectGroup_Map.h" + +class TAO_LoadBalancing_ReplicationManager_i + : public virtual POA_TAO_LoadBalancing::ReplicationManager +{ +public: + + /// Constructor. + TAO_LoadBalancing_ReplicationManager_i (void); + + /// Destructor. + ~TAO_LoadBalancing_ReplicationManager_i (void); + + /// Register a load notifier with the load balancer + /// ReplicationManager. + virtual void register_load_notifier ( + TAO_LoadBalancing::LoadNotifier_ptr load_notifier, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException)); + + /// Return a reference to the load notifier in use. + virtual TAO_LoadBalancing::LoadNotifier_ptr get_load_notifier ( + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InterfaceNotFound)); + + /** + * @name TAO_LoadBalancer::PropertyManager methods + */ + //@{ + + /// Set the default properties to be used by all object groups. + virtual void set_default_properties ( + const TAO_LoadBalancing::Properties & props, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::UnsupportedProperty)); + + /// Get the default properties used by all object groups. + virtual TAO_LoadBalancing::Properties * get_default_properties ( + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException)); + + /// Remove default properties. + virtual void remove_default_properties ( + const TAO_LoadBalancing::Properties & props, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::UnsupportedProperty)); + + /// Set properties associated with a given Replica type. These + /// properties override the default properties. + virtual void set_type_properties ( + const char * type_id, + const TAO_LoadBalancing::Properties & overrides, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::UnsupportedProperty)); + + /** + * Return the properties associated with a give Replica type. These + * properties include the type-specific properties in use, in + * addition to the default properties that were not overridden. + */ + virtual TAO_LoadBalancing::Properties * get_type_properties ( + const char * type_id, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException)); + + /// Remove the given properties associated with the Replica type ID. + virtual void remove_type_properties ( + const char * type_id, + const TAO_LoadBalancing::Properties & props, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::UnsupportedProperty)); + + /** + * Dynamically set the properties associated with a given object + * group as the load balancer and replicas are being executed. + * These properties override the type-specific and default + * properties. + */ + virtual void set_properties_dynamically ( + TAO_LoadBalancing::ObjectGroup_ptr object_group, + const TAO_LoadBalancing::Properties & overrides, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::UnsupportedProperty)); + + /** + * Return the properties currently in use by the given object + * group. These properties include those that were set dynamically, + * type-specific properties that weren't overridden, properties that + * were used when the Replica was created, and default properties + * that weren't overridden. + */ + virtual TAO_LoadBalancing::Properties * get_properties ( + TAO_LoadBalancing::ObjectGroup_ptr object_group, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound)); + + //@} + + /** + * @name TAO_LoadBalancer::ObjectGroupManager methods + */ + //@{ + + /// Create a member using the load balancer ObjectGroupManager, and + /// add the created object to the ObjectGroup. + virtual TAO_LoadBalancing::ObjectGroup_ptr create_member ( + TAO_LoadBalancing::ObjectGroup_ptr object_group, + const TAO_LoadBalancing::Location & the_location, + const char * type_id, + const TAO_LoadBalancing::Criteria & the_criteria, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::MemberAlreadyPresent, + TAO_LoadBalancing::NoFactory, + TAO_LoadBalancing::ObjectNotCreated, + TAO_LoadBalancing::InvalidCriteria, + TAO_LoadBalancing::CannotMeetCriteria)); + + /// Add an existing object to the ObjectGroup. + virtual TAO_LoadBalancing::ObjectGroup_ptr add_member ( + TAO_LoadBalancing::ObjectGroup_ptr object_group, + const TAO_LoadBalancing::Location & the_location, + CORBA::Object_ptr member, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::MemberAlreadyPresent, + TAO_LoadBalancing::ObjectNotAdded)); + + /** + * Remove an object at a specific location from the given + * ObjectGroup. Deletion of application created objects must be + * deleted by the application. Objects created by the + * infrastructure (load balancer) will be deleted by the + * infrastructure. + */ + virtual TAO_LoadBalancing::ObjectGroup_ptr remove_member ( + TAO_LoadBalancing::ObjectGroup_ptr object_group, + const TAO_LoadBalancing::Location & the_location, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::MemberNotFound)); + + /// Return the locations of the members in the given ObjectGroup. + virtual TAO_LoadBalancing::Locations * locations_of_members ( + TAO_LoadBalancing::ObjectGroup_ptr object_group, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound)); + + /// Return the ObjectGroupId for the given ObjectGroup. + virtual TAO_LoadBalancing::ObjectGroupId get_object_group_id ( + TAO_LoadBalancing::ObjectGroup_ptr object_group, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound)); + + /// @note Does this method make sense for load balanced objects? + virtual TAO_LoadBalancing::ObjectGroup_ptr get_object_group_ref ( + TAO_LoadBalancing::ObjectGroup_ptr object_group, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound)); + + /// Return the reference corresponding to the Replica of a given + /// ObjectGroup at the given location. + virtual CORBA::Object_ptr get_member_ref ( + TAO_LoadBalancing::ObjectGroup_ptr object_group, + const TAO_LoadBalancing::Location & loc, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectGroupNotFound, + TAO_LoadBalancing::MemberNotFound)); + + //@} + + /** + * @name TAO_LoadBalancer::GenericFactory methods + */ + //@{ + + /** + * Create an object of the specified type that adheres to the + * restrictions defined by the provided Criteria. The out + * FactoryCreationId parameter may be passed to the delete_object() + * method to delete the object. + */ + virtual CORBA::Object_ptr create_object ( + const char * type_id, + const TAO_LoadBalancing::Criteria & the_criteria, + TAO_LoadBalancing::GenericFactory::FactoryCreationId_out + factory_creation_id, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::NoFactory, + TAO_LoadBalancing::ObjectNotCreated, + TAO_LoadBalancing::InvalidCriteria, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::CannotMeetCriteria)); + + /** + * Delete the object corresponding to the provided + * FactoryCreationId. If the object is actually an ObjectGroup, + * then all members within the ObjectGroup will be deleted. + * Afterward, the ObjectGroup itself will be deleted. + */ + virtual void delete_object ( + const TAO_LoadBalancing::GenericFactory::FactoryCreationId & + factory_creation_id, + CORBA::Environment &ACE_TRY_ENV = TAO_default_environment ()) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectNotFound)); + + //@} + +private: + + /// Helper method that creates replicas of the given type. + void create_object_i ( + const char * type_id, + CORBA::UShort initial_number_replicas, + TAO_LoadBalancing::FactoryInfos &factory_infos, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::NoFactory, + TAO_LoadBalancing::ObjectNotCreated, + TAO_LoadBalancing::InvalidCriteria, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::CannotMeetCriteria)); + + /// Extract the value of the InitialNumberReplicas property from + /// the_criteria. + int get_initial_number_replicas ( + const char *type_id, + const TAO_LoadBalancing::Criteria &the_criteria, + CORBA::UShort &initial_number_replicas) const; + + /** + * Extract the value of the Factories property from the_criteria. + * This method ensures that the locations in the returned + * FactoryInfos are unique. This is necessary to ensure that only + * one replica of a given type is created by the load balancer at a + * given location. + */ + int get_factory_infos ( + const char *type_id, + const TAO_LoadBalancing::Criteria &the_criteria, + TAO_LoadBalancing::FactoryInfos &factory_infos) const; + + /// Create a POA with the appropriate policies to support + /// ServantLocators (i.e. the ReplicaLocator). + int init (PortableServer::POA_ptr root_poa); + + /** + * Get a new ObjectId to be used when creating a new ObjectGroup. + * An ObjectId created by this method will never be reused within + * the scope of a given ReplicationManager. A value suitable for + * use in a map association <ext_id> is also returned. + */ + void get_ObjectId (PortableServer::ObjectId &oid, + TAO_LB_ObjectGroup_EXT_ID &ext_id); + + /// Assignment operator for TAO_LoadBalancer::FactoryInfo instances. + void operator= (TAO_LoadBalancer::FactoryInfo &lhs, + const TAO_LoadBalancer::FactoryInfo &rhs); + +private: + + /// The object that tells the invoking client to forward its requests + /// from the LoadBalancer to an actual replica. + TAO_LB_ReplicaLocator locator_; + + /// The POA that dispatches requests to the ReplicaLocator. + PortableServer::POA_var poa_; + + /// ObjectId to be used for the next ObjectGroup that is created. + CORBA::ULong next_oid_; + + /// Map between RepositoryId, ObjectGroup reference, replica list and + /// factory creation ID. + TAO_LB_ObjectGroup_Map object_group_map_; + + /** + * Value that is used when assigning a FactoryCreationId to the + * factory that was used to create a given ObjectGroup. The + * FactoryCreationId is typically comprised of this value in + * addition to another value that makes it unique to a given Load + * Balancer. + */ + CORBA::ULong next_factory_num_; + +}; + +#include "ace/post.h" + +#endif /* LOADBALANCINGI_H */ diff --git a/TAO/orbsvcs/orbsvcs/ObjectGroupManager.cpp b/TAO/orbsvcs/orbsvcs/ObjectGroupManager.cpp new file mode 100644 index 00000000000..e2e9ce3f6c9 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/ObjectGroupManager.cpp @@ -0,0 +1,13 @@ +// -*- C++ -*- + +#include "ObjectGroupManager.h" + + +ACE_RCSID (LoadBalancing, + ObjectGroupManager, + "$Id$") + +#if !defined (__ACE_INLINE__) +#include "LoadBalancer_i.i" +#endif /* __ACE_INLINE__ */ + diff --git a/TAO/orbsvcs/tests/LoadBalancing/GenericFactory.cpp b/TAO/orbsvcs/tests/LoadBalancing/GenericFactory.cpp new file mode 100644 index 00000000000..a8a8bef4faf --- /dev/null +++ b/TAO/orbsvcs/tests/LoadBalancing/GenericFactory.cpp @@ -0,0 +1,238 @@ + +#include "LB_test.h" + +ACE_RCSID (LB_test, GenericFactory, "$Id$") + +int +LB_test::create_object (void) +{ + ACE_DECLARE_NEW_CORBA_ENV; + ACE_TRY + { + this->object_group_ = + this->load_balancer->create_object (type_id, + the_criteria, + this->factory_creation_id_.out (), + ACE_TRY_ENV); + ACE_TRY_CHECK; + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + ACE_TEXT ("Caught unexpected exception:")); + + return -1; + } + ACE_ENDTRY; + + return 0; +} + +int +LB_test::test_no_factory (void) +{ + ACE_DECLARE_NEW_CORBA_ENV; + ACE_TRY + { + // @@ TODO: Implement + } + ACE_CATCH (TAO_LoadBalancer::NoFactory, ex) + { + ACE_DEBUG ((LM_DEBUG, + ACE_TEXT ("Successfully caught %s exception\n"), + ex._id ())); + + ACE_DEBUG ((LM_DEBUG, + ACE_TEXT (" Replica TypeId: %s\n"), + ex.type_id)); + + TAO_LoadBalancer::Location &location = + ex.the_location; + + for (int i = 0; i < location.length (); ++i) + ACE_DEBUG ((LM_DEBUG, + ACE_TEXT (" Location[%d].id: %s\n") + ACE_TEXT (" kind: %s\n"), + location[i].id, + location[i].kind)); + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + ACE_TEXT ("Caught unexpected exception:")); + + return -1; + } + ACE_ENDTRY; + + return 0; +} + + +int +LB_test::test_object_not_created (void) +{ + ACE_DECLARE_NEW_CORBA_ENV; + ACE_TRY + { + // @@ TODO: Implement + } + ACE_CATCH (TAO_LoadBalancer::ObjectNotCreated, ex) + { + ACE_DEBUG ((LM_DEBUG, + ACE_TEXT ("Successfully caught %s exception\n"), + ex._id ())); + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + ACE_TEXT ("Caught unexpected exception:")); + + return -1; + } + ACE_ENDTRY; + + return 0; +} + +int +LB_test::test_invalid_criteria (void) +{ + ACE_DECLARE_NEW_CORBA_ENV; + ACE_TRY + { + // @@ TODO: Implement + } + ACE_CATCH (TAO_LoadBalancer::InvalidCriteria, ex) + { + ACE_DEBUG ((LM_DEBUG, + ACE_TEXT ("Successfully caught %s exception\n"), + ex._id ())); + + TAO_LoadBalancer::Criteria &invalid_criteria = + ex.invalid_criteria; + + for (int i = 0; i < properties.length (); ++i) + { + // Property values are not displayed since they are stored + // as Anys. + + TAO_LoadBalancer::Property &invalid_property = + invalid_criteria[i]; + + for (int j = 0; j < invalid_property.length (); ++j) + ACE_DEBUG ((LM_DEBUG, + ACE_TEXT (" invalid_criteria[%d].nam[%d].id: %s\n") + ACE_TEXT (" kind: %s\n"), + i, + j, + invalid_property[j].id, + invalid_property[j].kind)); + } + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + ACE_TEXT ("Caught unexpected exception:")); + + return -1; + } + ACE_ENDTRY; + + return 0; +} + +int +LB_test::test_cannot_meet_criteria (void) +{ + ACE_DECLARE_NEW_CORBA_ENV; + ACE_TRY + { + // @@ TODO: Implement + } + ACE_CATCH (TAO_LoadBalancer::CannotMeetCriteria, ex) + { + ACE_DEBUG ((LM_DEBUG, + ACE_TEXT ("Successfully caught %s exception\n"), + ex._id ())); + + + TAO_LoadBalancer::Criteria &invalid_criteria = + ex.invalid_criteria; + + for (int i = 0; i < properties.length (); ++i) + { + // Property values are not displayed since they are stored + // as Anys. + + TAO_LoadBalancer::Property &unmet_property = + unmet_criteria[i]; + + for (int j = 0; j < unmet_property.length (); ++j) + ACE_DEBUG ((LM_DEBUG, + ACE_TEXT (" unmet_criteria[%d].nam[%d].id: %s\n") + ACE_TEXT (" kind: %s\n"), + i, + j, + unmet_property[j].id, + unmet_property[j].kind)); + } + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + ACE_TEXT ("Caught unexpected exception:")); + + return -1; + } + ACE_ENDTRY; + + return 0; +} + +int LB_test::delete_object (void) +{ + ACE_DECLARE_NEW_CORBA_ENV; + ACE_TRY + { + this->load_balancer->delete_object (this->factory_creation_id_.in () + ACE_TRY_ENV); + ACE_TRY_CHECK; + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + ACE_TEXT ("Caught unexpected exception:")); + + return -1; + } + ACE_ENDTRY; + + return 0; +} + +int +LB_test::test_object_not_found (void) +{ + ACE_DECLARE_NEW_CORBA_ENV; + ACE_TRY + { + // @@ TODO: Implement + } + ACE_CATCH (TAO_LoadBalancer::ObjectNotFound, ex) + { + ACE_DEBUG ((LM_DEBUG, + ACE_TEXT ("Successfully caught %s exception\n"), + ex._id ())); + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + ACE_TEXT ("Caught unexpected exception:")); + + return -1; + } + ACE_ENDTRY; + + return 0; +} diff --git a/TAO/orbsvcs/tests/LoadBalancing/HashReplicaFactory.cpp b/TAO/orbsvcs/tests/LoadBalancing/HashReplicaFactory.cpp new file mode 100644 index 00000000000..262b1850a6b --- /dev/null +++ b/TAO/orbsvcs/tests/LoadBalancing/HashReplicaFactory.cpp @@ -0,0 +1,103 @@ +// -*- C++ -*- + +#include "HashReplicaFactory.h" + +ACE_RCSID (LB_test, + HashReplicaFactory, + "$Id$") + +CORBA::Object_ptr +HashReplicaFactory::create_object ( + const char *type_id, + const TAO_LoadBalancing::Criteria &the_criteria, + TAO_LoadBalancing::GenericFactory::FactoryCreationId_out + factory_creation_id, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::NoFactory, + TAO_LoadBalancing::ObjectNotCreated, + TAO_LoadBalancing::InvalidCriteria, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::CannotMeetCriteria)) +{ + // This factory is only designed to create HashReplica objects. + // However, a GenericFactory need not be limited to being able to + // only create one type of object. + + // Since this factory is only capable of creating HashReplica + // objects, throw an exception if the type_id does not match that of + // the HashReplica. + if (ACE_OS::strcmp (type_id, + this->replica_type_id_) != 0) + ACE_THROW_RETURN (TAO_LoadBalancing::NoFactory (the_location, + type_id), + CORBA::Object::_nil ()); + + this->parse_criteria (criteria, + ACE_TRY_ENV); + ACE_CHECK_RETURN (CORBA::Object::_nil ()); + + HashReplica_i *hash_replica_servant = 0; + ACE_NEW_THROW_EX (hash_replica_servant, + HashReplica_i, + CORBA::NO_MEMORY ()); + ACE_CHECK_RETURN (CORBA::Object::_nil ()); + + // Transfer ownership of the servant to the POA (HashReplica_i + // inherits from PortableServer::RefCountServantBase). + PortableServer::ServantBase_var tmp = hash_replica_servant; + + // Activate the HashReplica and obtain a reference to it. + this->hash_replica_ = + hash_replica_servant->_this (ACE_TRY_ENV); + ACE_CHECK_RETURN (CORBA::Object::_nil ()); + + factory_creation_id = ...FILL IN CREATION ID...; + + return HashReplica::_duplicate (this->hash_replica_.in ()); +} + +void +HashReplicaFactory::delete_object ( + const TAO_LoadBalancing::GenericFactory::FactoryCreationId + &factory_creation_id, + ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancer::ObjectNotFound)) +{ + if (factory_creation_id != this->factory_creation_id_) + ACE_THROW (TAO_LoadBalancer::ObjectNotFound ()); + + // Get the POA used when activating the HashReplica + PortableServer::POA_var poa = + this->_default_POA (ACE_TRY_ENV); + ACE_CHECK; + + // Get the object ID associated with the HashReplica reference. + PortableServer::ObjectId_var oid = + poa->reference_to_id (this->hash_replica_.in (), + ACE_TRY_ENV); + ACE_CHECK; + + // Now deactivate the HashReplica. + poa->deactivate_object (oid.in (), ACE_TRY_ENV); + ACE_CHECK; + + // Decrease the reference count on the HashReplica. + this->hash_replica->_remove_ref (); +} + +void +HashReplicaFactory::parse_criteria ( + const TAO_LoadBalancer::Criteria &criteria, + CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::InvalidCriteria, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::CannotMeetCriteria)) +{ + // We don't use any criteria! + + if (criteria.length () != 0) + ACE_THROW (TAO_LoadBalancer::CannotMeetCriteria (criteria)); +} diff --git a/TAO/orbsvcs/tests/LoadBalancing/HashReplicaFactory.h b/TAO/orbsvcs/tests/LoadBalancing/HashReplicaFactory.h new file mode 100644 index 00000000000..81cccde4e63 --- /dev/null +++ b/TAO/orbsvcs/tests/LoadBalancing/HashReplicaFactory.h @@ -0,0 +1,31 @@ +// -*- C++ -*- +// +// $Id$ + +#include "orbsvcs/LoadBalancingS.h" + + +class HashReplicaFactory + : public virtual POA_TAO_LoadBalancing::GenericFactory +{ +public: + + virtual CORBA::Object_ptr create_object ( + const char *type_id, + const TAO_LoadBalancing::Criteria &the_criteria, + TAO_LoadBalancing::GenericFactory::FactoryCreationId_out + factory_creation_id) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::NoFactory, + TAO_LoadBalancing::ObjectNotCreated, + TAO_LoadBalancing::InvalidCriteria, + TAO_LoadBalancing::InvalidProperty, + TAO_LoadBalancing::CannotMeetCriteria)); + + virtual void delete_object ( + const TAO_LoadBalancing::GenericFactory::FactoryCreationId + &factory_creation_id) + ACE_THROW_SPEC ((CORBA::SystemException, + TAO_LoadBalancing::ObjectNotFound)); + +}; diff --git a/TAO/orbsvcs/tests/LoadBalancing/LoadBalancer_test.cpp b/TAO/orbsvcs/tests/LoadBalancing/LoadBalancer_test.cpp new file mode 100644 index 00000000000..186f9df75fa --- /dev/null +++ b/TAO/orbsvcs/tests/LoadBalancing/LoadBalancer_test.cpp @@ -0,0 +1,64 @@ +// -*- C++ -*- +// +// $Id$ + + +ACE_RCSID (LoadBalancer_test, LoadBalancer_test.cpp "$Id$") + +int +main (int argc, char *argv[]) +{ + // @@ activate Replica servant + // @@ Obtain reference to object + MyReplica_var replica = replica_servant._this (); + + // @@ Is _interface_repository_id() portable? + const char * type_id = replica->_interface_repository_id (); + + // Infrastructure-Controlled MembershipStyle + + // Obtain Reference to the TAO LoadBalancer ReplicationManager + CORBA::Object_var obj = resolve_initial_references ("TAO_LoadBalancer"); + TAO_LoadBalancer_var lb = TAO_LoadBalancer::_narrow (obj); + //@@ check if <lb> is nil + + // Set the default properties + TAO_LoadBalancer::Properties props; + // @@ actually set them (InitialNumberReplicas, + // MinimumNumberReplicas, etc) + + lb->set_default_properties (props); + + // Set the properties specific to my Object type + TAO_LoadBalancer::Properties overrides; + // @@ actually set them (InitialNumberReplicas, + // MinimumNumberReplicas, etc) + + lb->set_type_properties (type_id, + overrides); + + + + + + + + + // The factory ID + TAO_LoadBalancer::FactoryCreationID factory_creation_id; + + // Create a replicated object (object group) + obj = lb->create_object (type_id, + the_criteria, + factory_creation_id); + MyReplica_var replica_group = MyReplica::_narrow (obj); + // @@ check if <replica_group> is nil + + replica_group->some_method_available_on_replica (); + + + // Application-Controlled MembershipStyle + + + return 0; +} diff --git a/TAO/orbsvcs/tests/LoadBalancing/PropertyManager.cpp b/TAO/orbsvcs/tests/LoadBalancing/PropertyManager.cpp new file mode 100644 index 00000000000..80f92ed301e --- /dev/null +++ b/TAO/orbsvcs/tests/LoadBalancing/PropertyManager.cpp @@ -0,0 +1,428 @@ + +#include "LB_test.h" + +ACE_RCSID (LB_test, PropertyManager, "$Id$") + +int +LB_test::set_default_properties (void) +{ + if (this->test_invalid_property () != 0 + || this->test_unsupported_property != 0) + return -1; + + ACE_DECLARE_NEW_CORBA_ENV; + ACE_TRY + { + const int INIT_NUM_REPLICAS = 4; + const int MIN_NUM_REPLICAS = 3; + + const int DEFAULT_PROPERTY_COUNT = 3; + TAO_LoadBalancer::Properties properties; + properties.length (DEFAULT_PROPERTY_COUNT); + + // Default initial number of replicas + TAO_LoadBalancer::Property initial_number_replicas; + property.nam.length (1); + property.nam[0].id = CORBA::string_dup ("InitialNumberReplicas"); + property.val = INIT_NUM_REPLICAS; + properties[0] = initial_number_replicas; + + //Default minimum number of replicas + TAO_LoadBalancer::Property minimum_number_replicas; + property.nam.length (1); + property.nam[0].id = CORBA::string_dup ("MinimumNumberReplicas"); + property.val = MIN_NUM_REPLICAS; + properties[1] = minimum_number_replicas; + + // Default factories (simulated locations) + TAO_LoadBalancer::Property factories; + property.nam.length (1); + property.nam[0].id = CORBA::string_dup ("Factories"); + + TAO_LoadBalancer::FactoryInfos factory_infos; + factory_infos.length (INIT_NUM_REPLICAS); + for (int i = 0; i < factory_infos.length (); ++i) + { + TAO_LoadBalancer::FactoryInfo &factory_info = + factory_infos[i]; + + TAO_LoadBalancer::GenericFactory_var factory = + factory_servant[i]->_this (ACE_TRY_ENV); + ACE_TRY_CHECK; + + factory_info.factory = factory.in (); + + // Create a fake location for each factory. + char location[BUFSIZ] = { 0 }; + ACE_OS::sprintf (location, "%d", i); + factory_info.the_location.id = + CORBA::string_dup (location); + factory_info.the_location.kind = + CORBA::string_dup ("location number"); + + // @@ TODO: Add factory-specific Criteria. + // factory_info.the_criteria ... + } property.val = factory_infos; + properties[2] = factories; + + // @@ TODO: Add the following properties to the sequence of + // default properties: + // ReplicationStyle + // MembershipStyle + // ConsistencyStyle (?) + // LoadMonitoringStyle + // LoadMonitoringGranularity + // LoadMonitoringInterval + // CheckpointInterval (?) + + this->load_balancer->set_default_properties (properties, + ACE_TRY_ENV); + ACE_TRY_CHECK; + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + ACE_TEXT ("Caught unexpected exception:")); + + return -1; + } + ACE_ENDTRY; + + + return 0; +} + +int +LB_test::test_invalid_property (void) +{ + ACE_DECLARE_NEW_CORBA_ENV; + ACE_TRY + { + TAO_LoadBalancer::Property property; + property.nam.length (1); + property.nam[0].id = CORBA::string_dup ("FOO_BAR_BAZ"); + + TAO_LoadBalancer::Properties properties; + properties.length (1); + properties[0] = property; + + this->load_balancer->set_default_properties (properties, + ACE_TRY_ENV); + ACE_TRY_CHECK; + } + ACE_CATCH (TAO_LoadBalancer::InvalidProperty, ex) + { + ACE_DEBUG ((LM_DEBUG, + ACE_TEXT ("Successfully caught %s exception\n"), + ex._id ())); + + for (int j = 0; j < ex.nam.length (); ++j) + ACE_DEBUG ((LM_DEBUG, + ACE_TEXT (" nam[%d].id: %s\n") + ACE_TEXT (" kind: %s\n"), + j, + ex.nam[j].id, + ex.nam[j].kind)); + // @@ What's the best way to print the contents of a ex.val, + // i.e. an Any? + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + ACE_TEXT ("Caught unexpected exception:")); + + return -1; + } + ACE_ENDTRY; + + return 0; +} + +int +LB_test::test_unsupported_property (void) +{ + ACE_DECLARE_NEW_CORBA_ENV; + ACE_TRY + { + TAO_LoadBalancer::Property property; + property.nam.length (1); + property.nam[0].id = CORBA::string_dup ("FOO_BAR_BAZ"); + + TAO_LoadBalancer::Properties properties; + properties.length (1); + properties[0] = property; + + this->load_balancer->set_default_properties (properties, + ACE_TRY_ENV); + ACE_TRY_CHECK; + } + ACE_CATCH (TAO_LoadBalancer::UnsupportedProperty, ex) + { + ACE_DEBUG ((LM_DEBUG, + ACE_TEXT ("Successfully caught %s exception\n"), + ex._id ())); + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + ACE_TEXT ("Caught unexpected exception:")); + + return -1; + } + ACE_ENDTRY; + + return 0; +} + +int +LB_test::get_default_properties (void) +{ + ACE_DECLARE_NEW_CORBA_ENV; + ACE_TRY + { + TAO_LoadBalancer::Properties properties = + this->load_balancer->get_default_properties (ACE_TRY_ENV); + ACE_TRY_CHECK; + + for (int i = 0; i < properties.length (); ++i) + { + // Property values are not displayed since they are stored + // as Anys. + + TAO_LoadBalancer::Property &property = properties[i]; + + for (int j = 0; j < property.length (); ++j) + ACE_DEBUG ((LM_DEBUG, + ACE_TEXT ("properties[%d].nam[%d].id = <%s>\n") + ACE_TEXT (" kind = <%s>\n"), + i, + j, + property[j].id, + property[j].kind)); + } + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + ACE_TEXT ("Caught unexpected exception:")); + + return -1; + } + + return 0; +} + +int +LB_test::remove_default_properties (void) +{ + ACE_DECLARE_NEW_CORBA_ENV; + ACE_TRY + { + TAO_LoadBalancer::Properties current_properties = + this->load_balancer->get_default_properties (ACE_TRY_ENV); + ACE_TRY_CHECK; + + // Make sure some default properties are already set. + if (current_properties.length () == 0) + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("No default properties set")), + -1); + + // Remove the first default property. + TAO_LoadBalancer::Property &removed_property = + current_properties[0]; + + TAO_LoadBalancer::Properties removed_properties; + removed_properties.length (1); + removed_properties[0] = removed_property; + + this->load_balancer->remove_default_properties (removed_properties, + ACE_TRY_ENV); + ACE_TRY_CHECK; + + removed_properties = + this->load_balancer->get_default_properties (ACE_TRY_ENV); + ACE_TRY_CHECK; + + // @@ TODO: The following is a weak test. It needs improvement. + // + // Iterate through the sequence of id values in each property. + // If one in the properties after removal matches the its + // corresponding id in the property that was removed then no + // removal occurred. + for (int i = 0; i < removed_properties.length (); ++i) + for (int j = 0; j < removed_property.length (); ++j) + if (ACE_OS::strcmp (removed_property[j].id, + removed_properties[i][j].id) == 0) + return -1; + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + ACE_TEXT ("Caught unexpected exception:")); + + return -1; + } + ACE_ENDTRY; + + return 0; +} + +int +LB_test::set_type_properties (void) +{ + // @@ TODO: Implement + + ACE_DECLARE_NEW_CORBA_ENV; + ACE_TRY + { + TAO_LoadBalancer::Properties overrides; + + this->load_balancer->set_type_properties (type_id, + overrides, + ACE_TRY_ENV); + ACE_TRY_CHECK; + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + ACE_TEXT ("Caught unexpected exception:")); + + return -1; + } + ACE_ENDTRY; + + return 0; +} + +int +LB_test::get_type_properties (void) +{ + // @@ TODO: Implement + + ACE_DECLARE_NEW_CORBA_ENV; + ACE_TRY + { + TAO_LoadBalancer::Properties = + this->get_type_properties (type_id, ACE_TRY_ENV); + ACE_TRY_CHECK; + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + ACE_TEXT ("Caught unexpected exception:")); + + return -1; + } + ACE_ENDTRY; + + return 0; +} + +int +LB_test::remove_type_properties (void) +{ + // @@ TODO: Implement + + ACE_DECLARE_NEW_CORBA_ENV; + ACE_TRY + { + TAO_LoadBalancer::Properties properties; + + this->load_balancer->remove_type_properties (type_id, + properties, + ACE_TRY_ENV); + ACE_TRY_CHECK; + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + ACE_TEXT ("Caught unexpected exception:")); + + return -1; + } + ACE_ENDTRY; + + return 0; +} + +int +LB_test::set_properties_dynamically (void) +{ + // @@ TODO: Implement + + if (this->test_object_group_not_found () != 0) + return -1; + + ACE_DECLARE_NEW_CORBA_ENV; + ACE_TRY + { + + this->load_balancer->set_properties_dynamically (object_group, + overrides, + ACE_TRY_ENV); + ACE_TRY_CHECK; + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + ACE_TEXT ("Caught unexpected exception:")); + + return -1; + } + ACE_ENDTRY; + + return 0; +} + +int +LB_test::test_object_group_not_found () +{ + // @@ TODO:: Implement + ACE_DECLARE_NEW_CORBA_ENV; + ACE_TRY + { + ACE_TRY_CHECK; + } + ACE_CATCH (TAO_LoadBalancer::ObjectGroupNotFound, ex) + { + ACE_DEBUG ((LM_DEBUG, + ACE_TEXT ("Successfully caught %s exception\n"), + ex._id ())); + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + ACE_TEXT ("Caught unexpected exception:")); + + return -1; + } + ACE_ENDTRY; + + return 0; +} + +int +LB_test::get_properties (void) +{ + // @@ TODO: Implement + + ACE_DECLARE_NEW_CORBA_ENV; + ACE_TRY + { + TAO_LoadBalancer::Properties properties = + this->load_balancer->get_properties (object_group, + ACE_TRY_ENV); + ACE_TRY_CHECK; + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + ACE_TEXT ("Caught unexpected exception:")); + + return -1; + } + ACE_ENDTRY; + + return 0; +} |