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81f58e2ea2
- added a 'hookdata' array to qctx to store pointers to up to 16 blobs of data which are allocated by modules as needed. each module is assigned an ID number as it's loaded, and this is the index into the hook data array. this is to be used for holding persistent state between calls to a hook module for a specific query. - instead of using qctx->filter_aaaa, we now use qctx->hookdata. (this was the last piece of filter-aaaa specific code outside the module.) - added hook points for qctx initialization and destruction. we get a filter-aaaa data pointer from the mempool when initializing and store it in the qctx->hookdata table; return to to the mempool when destroying the qctx. - link the view to the qctx so that detaching the client doesn't cause hooks to fail - added a qctx_destroy() function which must be called after qctx_init; this calls the QCTX_DESTROY hook and detaches the view - general cleanup and comments |
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