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* conntrackd: add iterators with limited steps in hash and cache typesPablo Neira Ayuso2009-07-171-4/+13
| | | | | | | This patch adds cache_iterate_limit() and hashtable_iterate_limit() that allows to limit the iteration to given a number of states. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: rework of the hash-cache infrastructurePablo Neira Ayuso2009-01-151-97/+39
| | | | | | | | | | | | | | | | | | | | | | | | Currently, the caching system is implemented in a two layer architecture: hashtable (inner layer) and cache (upper layer). This patch reworks the hash-cache infrastructure to solve some initial design problems to make it more flexible, the main strong points of this patch are: * Memory handling is done in the cache layer, not in the inner hashtable layer. This removes one of the main dependencies between the hashtable and the cache classes. * Remove excessive encapsulation: the former cache used to hide a lot of details of the inner hashtable implementation. * Fix over-hashing of some operations: lookup-delete-add required three hash calculations. Similarly, the update-or-add operation required two hash calculations. Now, we calculate the hash once and re-use the value how many times as we need. This patch simplifies the caching system. As a result, we save ~130 lines of code. Small code means and less complexity means less chance to have bugs. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* hashtable: check NULL instead of ! for pointersPablo Neira Ayuso2009-01-141-2/+2
| | | | | | | This patch is a cleanup. Check NULL instead of using ! for null pointers. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* hashtable: use calloc instead of malloc + memsetPablo Neira Ayuso2009-01-141-4/+2
| | | | | | This patch is a cleanup, use calloc instead of malloc + memset. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: constify hashtable parameter in hash() callbacksPablo Neira Ayuso2009-01-141-1/+2
| | | | | | | This patch constifies the hashtable parameter that is passed to the hash callbacks registered when the hashtable is created. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: cleanup, rename hashtable_test() by hashtable_find()Pablo Neira Ayuso2008-12-171-1/+1
| | | | | | | | This patch renames the function hashtable_test() by hashtable_find() which is a better name IMO to describe this function. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* revert relicensing... still we use linux_list.h code which seems to be GPLv2 ↵/C=EU/ST=EU/CN=Pablo Neira Ayuso/emailAddress=pablo@netfilter.org2008-03-081-1/+1
| | | | only which is incompatible AFAIK
* relicense conntrack-tools as GPLv3+, so far the most significant contributor ↵/C=EU/ST=EU/CN=Pablo Neira Ayuso/emailAddress=pablo@netfilter.org2008-03-081-1/+1
| | | | has been Max Kellermann and has no issues with relicensing their contributions.
* Max Kellermann <max@duempel.org>:/C=EU/ST=EU/CN=Pablo Neira Ayuso/emailAddress=pablo@netfilter.org2008-01-171-5/+3
| | | | import only required C headers and put local headers on top to check
* Max Kellermann <max@duempel.org>:/C=EU/ST=EU/CN=Pablo Neira Ayuso/emailAddress=pablo@netfilter.org2008-01-171-6/+6
| | | | use C99 integers (uint32_t instead of u_int32_t)
* Max Kellermann <max@duempel.org>:/C=EU/ST=EU/CN=Pablo Neira Ayuso/emailAddress=pablo@netfilter.org2008-01-151-6/+2
| | | | Fix tons of gcc warnings
* Max Kellermann <max@duempel.org>:/C=EU/ST=EU/CN=Pablo Neira Ayuso/emailAddress=pablo@netfilter.org2008-01-151-1/+1
| | | | use const when possible
* first step forward to merge conntrackd and conntrack into the same building ↵/C=EU/ST=EU/CN=Pablo Neira Ayuso/emailAddress=pablo@netfilter.org2007-04-161-0/+199
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