X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/551daa285a3c38c4467f39dda5cc1c084dce28df..caeeb2635b57904e554e046815fa16ab5c3749db:/tbf.c?ds=sidebyside diff --git a/tbf.c b/tbf.c index 17a989b..b95b7d7 100644 --- a/tbf.c +++ b/tbf.c @@ -1,13 +1,8 @@ // L2TPNS: token bucket filters -char const *cvs_id_tbf = "$Id: tbf.c,v 1.5 2004-08-26 06:22:37 fred_nerk Exp $"; - -#define _GNU_SOURCE +char const *cvs_id_tbf = "$Id: tbf.c,v 1.8 2004-10-29 04:01:11 bodea Exp $"; #include -#include -#include - #include "l2tpns.h" #include "util.h" #include "tbf.h" @@ -19,13 +14,12 @@ static int timer_chain = -1; // Head of timer chain. static void tbf_run_queue(int tbf_id); -void init_tbf(void) +void init_tbf(int num_tbfs) { - filter_list = mmap(NULL, sizeof(*filter_list) * MAXTBFS, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, 0, 0); - if (!filter_list) + if (!(filter_list = shared_malloc(sizeof(*filter_list) * num_tbfs))) return; - filter_list_size = MAXTBFS; + filter_list_size = num_tbfs; filter_list[0].sid = -1; // Reserved. } // @@ -102,13 +96,11 @@ int new_tbf(int sid, int max_credit, int rate, void (*f)(sessionidt, u8 *, int)) int i; static int p = 0; - log(3,0,0,0, "Allocating new TBF (sess %d, rate %d, helper %p)\n", sid, rate, f); + log(4,0,0,0, "Allocating new TBF (sess %d, rate %d, helper %p)\n", sid, rate, f); if (!filter_list) return 0; // Couldn't alloc memory! -// again: - for (i = 0 ; i < filter_list_size ; ++i, p = (p+1)%filter_list_size ) { if (filter_list[p].sid) continue; @@ -124,33 +116,8 @@ int new_tbf(int sid, int max_credit, int rate, void (*f)(sessionidt, u8 *, int)) return p; } -#if 0 - // All allocated filters are used! Increase the size of the allocated - // filters. - - { - int new_size = filter_list_size * 2; - tbft *new = mremap(filter_list, filter_list_size * sizeof(*new), new_size * sizeof(*new), MREMAP_MAYMOVE); - - if (new == MAP_FAILED) - { - log(0,0,0,0, "Ran out of token bucket filters and mremap failed! Sess %d will be un-throttled\n", sid); - return 0; - } - - i = filter_list_size; - filter_list_size = new_size; - filter_list = new; - } - - for (; i < filter_list_size; ++i) - filter_list[i].sid = 0; - - goto again; -#else log(0,0,0,0, "Ran out of token bucket filters! Sess %d will be un-throttled\n", sid); return 0; -#endif } //