One Hat Cyber Team

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--- IMPORTANT TODO ---
----------------------

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--- NEEDED TESTS ---
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- test:
  - service method lookups
  - out-of-order fields in messages (ie if the number isn't ascending)
  - gaps in numbers: check that the number of ranges is correct
  - default values
  - message unpack alloc failures when allocating new slab
  - message unpack alloc failures when allocating unknown field buffers
  - packed message corruption.
    - meta-todo: get a list of all the unpack errors together to check off

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--- DOCUMENTATION ---
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Document:
  - services
  - check over documentation again

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--- LOW PRIORITY STUFF ---
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- support Group (whatever it is)
- proper support for extensions
  - slot for ranges in descriptor
  - extends is implemented as c-style function
    whose name is built from the package, the base message type-name
    and the member.  which takes the base message and returns the
    value, if it is found in "unknown_values".
    boolean package__extension_member_name__get(Message *message,
                                                type     *out);
    void    package__extension_member_name__set_raw(type      in,
                                                ProtobufCUnknownValue *to_init);

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--- EXTREMELY LOW PRIORITY STUFF ---
------------------------------------
- stop using qsort in the code generator:  find some c++ish way to do it

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--- ISSUES WE ARE PROBABLY GOING TO IGNORE ---
----------------------------------------------
- strings may not contain NULs

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--- IDEAS TO CONSIDER ---
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- optimization: structures without repeated members could skip
  the ScannedMember phase

- optimization: a way to ignore unknown-fields when unpacking

- optimization: certain functions are not well setup for WORDSIZE==64;
  especially the int64 routines are inefficient that way.
  The best might be an internal #define WORDSIZE (sizeof(long)*8)"
  except w/ a real constant there, one that the preprocessor can use.
  I think the functions in protobuf-c.c are already tagged.

- lifetime functions for messages:
   message__new()
       return a new message using an allocator with standard allocation policy
   message__unpack_onto(...)
       unpack onto an initialized message
   message__clear(...)
       clears all allocations, does not free the message itself
   message__free(...)
       free the message.
  [yeah, right: after typing it out, i see it's way too complicated]

- switching to pure C.
  - Rewrite the code-generator in C, including the parser.
  - This would have the huge advantage that we could use ".proto" files
    directly, instead of having to invoke the compilers.
  - keep in a separate c file for static linking optimziation purposes
  - need alignment tests
  - the CAVEATS should discuss our structure-packing assumptions