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Diff for /pegasus/doc/Attic/todo.txt between version 1.12 and 1.31.2.1

version 1.12, 2001/06/02 20:41:55 version 1.31.2.1, 2001/07/24 18:46:07
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 Urgent  
 ======  
  
     -   Add CIMOM handle to provider interface.      -   Migrate to use of Linkage.h files.
  
     -   Fix case sensitivity problems in repository (just add an _Open method      -   Document that lex and yacc are no longer a requirement to build
         that ignores the case of the file).          Pegasus.
  
     -   Add newly implemented repository operations to protocol and to      -   Figure out how to handle very large CIM respones and possibly
         dispatcher.          requests too.
  
     -   Change INVALID_CLASS exceptions to NOT_FOUND (they're wrong in      -   Integrate client/server tests into make system somehow.
         Repository).  
  
     -   Add tracing of output HTTP messages.      -   Note that it is possible to remove an class and still have association
           classes which refer to it.
  
     -   Need CIMInstance::removeMethod() and CIMInstance::removeProperty().      -   Class inheritance not taken into consideration when resolving the
           AssocClass
  
 Topical To-Do List      -   It seems that associatios() will fail when AssocClass is a super
 ==================          class of the class which is in the association instance table.
  
     -   GetInstances() and GetClasses() need to use iterators on      -   Should there be a single associations table for the entire repository
         provider and repository end. Otherwise, all classes or instance          or should there be one per namespace as there is now?
         to be enumerated, must be sucked into memory.  
   
     -   Template bloat reduction.  
   
     -   Use YACC on Linux.  
   
     -   Need a tool to say which features are supported by a compiler.  
  
     -   Support unloading of dynamic libraries (presently only load() is      -   If it is the case that a reference may only refer to an instance,
         supported).          then we must derive new types for representing object paths.
  
 -   Instances:      -   Many CIM operations interfaces are incorrect: GetInstance() for example
           takes a namespace and a CIMReference (which also may contain the
           namespace). According to the standard, it should take an "InstanceName".
  
     -   Implement CIMRepository::getProperty()      -   Need way of signaling the cimserver so that it will reload the
           class inheritance table (after a MOF compile).
  
     -   Implement CIMRepository::setProperty()      -   Revisit use of namespace v.s. objectName in all CIM operations.
  
     -   Implement CIMRepository::deleteInstance()      -   What do we do when getInstance() is called and the nameSpace is
           provided both as an argument and as part of the instance name?
  
     -   Implement CIMRepository::modifyInstance()      -   ReferenceNames should return classes not just instances?
  
     -   Implement CIMRepository::enumerateInstances()      -   Remove final const from const methods in non-const CIM element classes.
  
     -   Implement CIMRepository::enumerateInstanceNames()      -   Null vs. empty CIM/HTTP parameters.
  
     -   Handle inheritance in all instance operations.      -   Resolve constness problems. (get rid or Const classes?)
  
     -   Double check that all these operations work across protocol.      -   Change CIMReference to CIMObjectPath?
  
     -   Check that they have keys during validation.      -   Finish associations.
  
 -   Associations:      -   Provide CIMOM Context.
  
     -   Implement CIMRepository::referencesOf()      -   Complete conventions document.
  
     -   Implement CIMRepository::associatorsOf()      -   The CIMServer.exe program should probably create the logs directory
           under PEGASUS_HOME.
  
     -   Implement protocol stubs for these operations.      -   Clean up exceptions.
  
 -   Exceptions:      -   Resolve redundancy in which the namespace is passed to certain methods
           (getClass) and the CIMReference itself may contain a namespace arguent.
  
     -   Force __FILE__ and __LINE__ argument on every usage of CIMException.      -   Implement consistency and constraint checking on classes and instances.
  
     -   Clean up and consolidate exception classes.      -   Implement filtering (using includeQualifiers, localOnly, etc.)
  
     -   Propagate underlying error messages across the CIM protocol.      -   Consider eliminating const CIM element classes.
  
 -   References:      -   Support for NULL property lists (in interface and protocol).
  
     -   Validate arguments to CIMReference compound constructor and modifiers.      -   Rename tests (prepend "Test" to each test).
         (namespaces, hosts, classnames, and keybindings)  
  
     -   Be sure that escape sequences are handled inside of object names. For      -   Fix bug with cimserver.exe causing it to fail to start without te
         example:          "-l" option.
  
             X.key1="Hello \"You\""      -   Resolve whether the backslash should be permitted in namespaces.
  
 -   Protocol:      -   Create CIMOMContext (interface to CIMOM used b the provider).
  
     -   Improve protocol tracing to show messages in both directions.      -   Define Encoding module interface.
  
     -   The TCPChannel::writeN() method blocks when the client and server      -   Develop XMLEncodings module.
         are in the same process. That is because the client cannot read  
         anything as long as writeN() is blocked on a synchronous write.  
  
     -   Figure out how to handle getProperty() return type.      -   Develop BinaryEncodings module.
  
     -   Provide ACE Channel implementation (for porting purposes)?      -   Develop MOFEncodings module.
  
     -   Handle PARAMETER.REFARRAY in Procotol?      -   Employ BinaryEncodings module in repository (reduce disk usage).
  
     -   Ignore extraneous XML elements (loosely valid).      -   Combine repository instances, classes, and qualifiers  into their
           respective files (to reduce the number of files).
  
 -   Porting:      -   Employ an efficient indexing scheme in repository (B-trees or hashing).
  
     -   Replace "std::something" with "STD(something)"      -   Develop module manager: interface, lookup scheme, and loading scheme.
  
     -   Replace "using namespace std" with "USING_NAMESPACE_PEGASUS"      -   Package Encodings classes as a module.
  
 -   Aesthetics/Consistency/Usability:      -   Finalize repository assocations.
  
     -   Change getLength() and getSize() to just size(): "Brevity is the soul      -   Add association CIM/HTTP operations.
         of genius and of Lingerie".  
  
     -   Add methods to get objects by their names, in addition to index. For      -   Design association provider infrastructure.
         example:  
  
             CIMProperty CIMClass::getProperty(const String& name);      -   Implement missing CIM protocol operations.
  
     -   Perform walkthrough to expose consistency problems.      -   Implement good observer module interface which allows different levels:
  
     -   Distinguish between private and public classes (otherwise, users may          -   Observation of client/CIMMOM connections/disconnection.
         come to depend on classes with unstable interfaces).  
  
 -   Documentation:          -   Observation of client/CIMOM communication.
  
     -   Suggest newlines after methods.          -   Observation of CIMOM/repository communication.
  
     -   Suggest use of "/** ... */" instead of "///"          -   Observation of CIMOM/provider communication.
  
     -   Refine header file documentation.          -   Observation of CIMOM state transitions.
  
     -   Write Pegasus Architecture Paper.      -   Pegasus providers for Sun WBEM Services.
  
     -   Integrate DOC++ with make system (put all docs in doc tree):      -   Pegasus providers for WMI.
  
 -   Namespaces:      -   Sun WBEM Services providers for Pegasus.
  
     -   Implement create and destroy namespace (according to the standard).      -   CIM/HTTP Proxy for WMI.
  
 -   Providers      -   Web Server/Pegasus Integration (use HTTP protocol capabilities of
           web server rather than Pegasus).
  
     -   Add CIM-Server handles to provider interface.      -   Add CIMRepository::namespaceExists() method.
  
     -   Implement MOF provider registration scheme (according to the standard).      -   Change HTTP message id's to this format: "YYYY.MM.DD.HH.MM.SS.NNNNN".
  
 -   WBEM Query Language      -   GetInstances() and GetClasses() need to use iterators on
           provider and repository end. Otherwise, all classes or instance
           to be enumerated, must be sucked into memory.
  
     -   Find someone to work on standard.      -   Template bloat reduction.
  
     -   Implement leve-1 parser.      -   Need a tool to say which features are supported by a compiler.
  
 -   MOF compiler:      -   Support unloading of dynamic libraries (presently only load() is
           supported).
  
     -   Work with Bob to identify work items.      -   Clean up and consolidate exception classes.
  
 -   Threading      -   Asynchronous socket writes in the CIMOM (need write enabled flags).
  
     -   Write thread queuing document (input and output thread queue per      -   Handle PARAMETER.REFARRAY in Procotol?
         provider).  
  
     -   Implement queuing.      -   Implemented stream oriented XML parsing.
  
     -   Make reference counted objects thread safe (Mutexing and atomic      -   Ignore extraneous XML elements (implement "loose validation" concept).
         increments).  
  
 -   Connectors      -   Add methods to get objects by their names, in addition to index. For
           example:
  
     -   Work out basic concepts (write paper).              CIMProperty CIMClass::getProperty(const String& name);
  
     -   Package up pegasus in Install Shield application.      -   Distinguish between private and public classes (otherwise, users may
           come to depend on classes with unstable interfaces).
  
       -   Walk through all code to expose consistency/aesthetic issues.
  
 -   Install      -   Provide ACE Channel implementation (for porting purposes)?
  
     -   Need install mechanism for Unix and Windows.      -   Expand datatime (setCurrentTime() and comparison and increment
           functions).
  
 -   Interoperability      -   Write Pegasus Architecture Paper.
  
     -   Fix reported bugs.      -   Implement MOF provider registration scheme (according to the
           standard).
  
 -   Internationalization      -   WBEM Query Language and integration.
  
     -   Handle UCS2 characters in XML (parsing and writing).      -   Threading
  
 -   Repository:      -   Package up pegasus in Install Shield application.
  
     -   Export to MOF.      -   Internationalization: Handle UCS2 characters in XML
           (parsing and writing).
  
 -   Miscellaneous      -   Export of repository to MOF.
  
     -   Change CompareNoCase() to String::compareNoCase().     -   Change CompareNoCase() to String::compareNoCase().
  
     -   Place configuration startup parameters in Repository (e.g., port).      -   Figure out how to handle CIM NULL values.
   
     -   Integrate logging  
   
     -   Figure out how to handle CIM null values.  
   
     -   Generalize iteration.  
  
     -   Figure out how inheritance of keys works.     -   Figure out how inheritance of keys works.
  
     -   Investiage weak assocations.      -   Investigage weak associations.
   
     -   Provide conversions between DateTime and time_t.  
   
 -   Constraint hanlding  
  
     -   Enforce constraint qualifiers.     -   Enforce constraint qualifiers.
  
     -   Disallow resetting size of fixed length arrays.     -   Disallow resetting size of fixed length arrays.
  
 -   Optimization/Tuning  
   
     -   Shrink object sizes.     -   Shrink object sizes.
  
     -   Use lighter I/O system (than C++ streams).     -   Use lighter I/O system (than C++ streams).
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     -   Optimize clear method on arrays (to not release memory).     -   Optimize clear method on arrays (to not release memory).
  
 -   Porting      -   Provide conversions between DateTime and time_t.
  
     -   Port to Solaris     -   Port to Solaris
  
     -   Port to HPUX      -   Support multiple providers of the extact same class.
           DiskController example and LanController.
     -   Port to AIX  
   
 -   Testing  
   
     -   Test case insensitivity of class names and qualifier names.  
   
     -   Run Purify on all sources (port to Sun first).  
   
     -   Run CIM/XML test suite.  
   
 -   Server  
   
     -   Use Service class in cimserver  
  
     -   Implement Service class on Unix (daemonization from Comer book).      -   SLP - Eliminate lib directory.


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