From 47562ffe28221404498d72f4dd114af6892d91e5 Mon Sep 17 00:00:00 2001 From: Bart De Schuymer Date: Sun, 23 Jan 2005 19:19:00 +0000 Subject: add new counter scheme --- userspace/ebtables2/communication.c | 37 +++++++++++++++++++------------- userspace/ebtables2/ebtables.c | 12 ++++++----- userspace/ebtables2/include/ebtables_u.h | 1 + userspace/ebtables2/libebtc.c | 1 + 4 files changed, 31 insertions(+), 20 deletions(-) diff --git a/userspace/ebtables2/communication.c b/userspace/ebtables2/communication.c index 1035ae9..8216332 100644 --- a/userspace/ebtables2/communication.c +++ b/userspace/ebtables2/communication.c @@ -334,7 +334,9 @@ void ebt_deliver_counters(struct ebt_u_replace *u_repl, int exec_style) socklen_t optlen; struct ebt_replace repl; struct ebt_cntchanges *cc = u_repl->counterchanges, *cc2, **cc3; - int i; + struct ebt_u_entries *entries; + struct ebt_u_entry *next = NULL; + int i, chainnr = 0; if (u_repl->nentries == 0) return; @@ -347,11 +349,15 @@ void ebt_deliver_counters(struct ebt_u_replace *u_repl, int exec_style) old = u_repl->counters; new = newcounters; while (cc) { + if (!next) { + while (!(entries = ebt_nr_to_chain(u_repl, chainnr++))); + if (!(next = entries->entries)) + continue; + } if (cc->type == CNT_NORM) { /* 'Normal' rule, meaning we didn't do anything to it * So, we just copy */ - new->pcnt = old->pcnt; - new->bcnt = old->bcnt; + *new = *old; /* We've used an old counter */ old++; /* We've set a new counter */ @@ -359,13 +365,14 @@ void ebt_deliver_counters(struct ebt_u_replace *u_repl, int exec_style) } else if (cc->type == CNT_DEL) { /* Don't use this old counter */ old++; - } else if (cc->type == CNT_ADD) { - /* New counter, let it stay 0 */ - new++; } else { - /* Zero it (let it stay 0) */ - old++; - new++; + *new = next->cnt; + if (cc->type == CNT_ADD) + new++; + else { + old++; + new++; + } } cc = cc->next; } @@ -490,6 +497,9 @@ ebt_translate_entry(struct ebt_entry *e, unsigned int *hook, int *n, int *cnt, memcpy(new->sourcemsk, e->sourcemsk, sizeof(new->sourcemsk)); memcpy(new->destmac, e->destmac, sizeof(new->destmac)); memcpy(new->destmsk, e->destmsk, sizeof(new->destmsk)); + if (*totalcnt >= u_repl->nentries) + ebt_print_bug("*totalcnt >= u_repl->nentries"); + new->cnt = u_repl->counters[*totalcnt]; new->m_list = NULL; new->w_list = NULL; new->next = NULL; @@ -748,8 +758,7 @@ int ebt_get_table(struct ebt_u_replace *u_repl, int init) strcpy(repl.name, u_repl->name); if (u_repl->filename != NULL) { if (init) - ebt_print_bug("Getting initial table data from a " - "file is impossible"); + ebt_print_bug("Getting initial table data from a file is impossible"); if (retrieve_from_file(u_repl->filename, &repl, u_repl->command)) return -1; /* -L with a wrong table name should be dealt with silently */ @@ -761,7 +770,7 @@ int ebt_get_table(struct ebt_u_replace *u_repl, int init) u_repl->valid_hooks = repl.valid_hooks; u_repl->nentries = repl.nentries; u_repl->num_counters = repl.num_counters; - u_repl->counters = (struct ebt_counter *)repl.counters; + u_repl->counters = repl.counters; u_repl->udc = NULL; u_repl->counterchanges = NULL; for (i = 0; i < repl.nentries; i++) { @@ -780,9 +789,7 @@ int ebt_get_table(struct ebt_u_replace *u_repl, int init) &hook, u_repl, u_repl->valid_hooks); i = 0; /* Holds the expected nr. of entries for the chain */ j = 0; /* Holds the up to now counted entries for the chain */ - /* Holds the total nr. of entries, - * should equal u_repl->nentries afterwards */ - k = 0; + k = 0; /* Holds the total nr. of entries, should equal u_repl->nentries afterwards */ hook = -1; EBT_ENTRY_ITERATE((char *)repl.entries, repl.entries_size, ebt_translate_entry, &hook, &i, &j, &k, &u_e, u_repl, diff --git a/userspace/ebtables2/ebtables.c b/userspace/ebtables2/ebtables.c index 62b6c21..f3ea7c6 100644 --- a/userspace/ebtables2/ebtables.c +++ b/userspace/ebtables2/ebtables.c @@ -300,8 +300,8 @@ static void list_em(struct ebt_u_entries *entries) t->print(hlp, hlp->t); if (replace->flags & LIST_C) printf(", pcnt = %llu -- bcnt = %llu", - replace->counters[entries->counter_offset + i].pcnt, - replace->counters[entries->counter_offset + i].bcnt); + hlp->cnt.pcnt, + hlp->cnt.bcnt); printf("\n"); hlp = hlp->next; } @@ -366,7 +366,6 @@ ATOMIC_ENV_VARIABLE " : if set (see above) will equal its value" printf("\n"); if (table->help) table->help(ebt_hooknames); - exit(0); } /* Execute command L */ @@ -659,7 +658,7 @@ print_zero: i = -1; if (optind < argc && argv[optind][0] != '-') { if ((i = ebt_get_chainnr(replace, argv[optind])) == -1) - ebt_print_error2("Bad chain"); + ebt_print_error2("Chain %s doesn't exist", argv[optind]); optind++; } if (i != -1) { @@ -1020,8 +1019,11 @@ check_extension: if (!(table = ebt_find_table(replace->name))) ebt_print_error2("Bad table name"); - if (replace->command == 'h' && !(replace->flags & OPT_ZERO)) + if (replace->command == 'h' && !(replace->flags & OPT_ZERO)) { print_help(); + if (exec_style == EXEC_STYLE_PRG) + exit(0); + } /* Do the final checks */ if (replace->command == 'A' || replace->command == 'I' || diff --git a/userspace/ebtables2/include/ebtables_u.h b/userspace/ebtables2/include/ebtables_u.h index d5264e3..5632ec1 100644 --- a/userspace/ebtables2/include/ebtables_u.h +++ b/userspace/ebtables2/include/ebtables_u.h @@ -129,6 +129,7 @@ struct ebt_u_entry struct ebt_u_watcher_list *w_list; struct ebt_entry_target *t; struct ebt_u_entry *next; + struct ebt_counter cnt; /* the standard target needs this to know the name of a udc when * printing out rules. */ struct ebt_u_replace *replace; diff --git a/userspace/ebtables2/libebtc.c b/userspace/ebtables2/libebtc.c index 0fef235..03b7bfe 100644 --- a/userspace/ebtables2/libebtc.c +++ b/userspace/ebtables2/libebtc.c @@ -171,6 +171,7 @@ void ebt_initialize_entry(struct ebt_u_entry *e) e->w_list = NULL; e->t = (struct ebt_entry_target *)ebt_find_target(EBT_STANDARD_TARGET); ebt_find_target(EBT_STANDARD_TARGET)->used = 1; + e->cnt.pcnt = e->cnt.bcnt = 0; if (!e->t) ebt_print_bug("Couldn't load standard target"); -- cgit v1.2.3