question about how to use the ngx_radix_tree
francois.berenger at inria.fr
Wed Oct 12 15:53:17 UTC 2016
I am interested in using this data structure.
Would it be possible to have a few usage examples of it?
I looked in the nginx code via github but found only
few usages and not very informative about how to use it properly.
I am interested in those functions:
ngx_radix_tree_t *ngx_radix_tree_create(ngx_int_t preallocate);
ngx_int_t ngx_radix32tree_insert(ngx_radix_tree_t *tree,
uint32_t key, uint32_t mask,
ngx_int_t ngx_radix32tree_delete(ngx_radix_tree_t *tree,
uint32_t key, uint32_t mask);
uintptr_t ngx_radix32tree_find(ngx_radix_tree_t *tree, uint32_t key);
Especially, in insert and delete I don't know what should be the value
of the mask parameter.
Should I compute this mask? How?
Thanks a lot,
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