diff options
| -rw-r--r-- | extensions/libxt_cluster.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/extensions/libxt_cluster.c b/extensions/libxt_cluster.c index 3adff12c..c9c35ee2 100644 --- a/extensions/libxt_cluster.c +++ b/extensions/libxt_cluster.c @@ -126,6 +126,56 @@ cluster_save(const void *ip, const struct xt_entry_match *match) info->total_nodes, info->hash_seed); } +static int cluster_xlate(struct xt_xlate *xl, + const struct xt_xlate_mt_params *params) +{ + int node, shift_value = 1, comma_needed = 0; + uint32_t temp_node_mask, node_id = 0, needs_set = 0; + const struct xt_cluster_match_info *info = (void *)params->match->data; + const char *jhash_st = "jhash ct original saddr mod"; + const char *pkttype_st = "meta pkttype set host"; + + if (!(info->node_mask & (info->node_mask - 1))) { + if (info->node_mask <= 2) + xt_xlate_add(xl, "%s %u seed 0x%08x eq %u %s", jhash_st, + info->total_nodes, info->hash_seed, + info->node_mask, pkttype_st); + else { + temp_node_mask = info->node_mask; + while (1) { + temp_node_mask = temp_node_mask >> shift_value; + node_id++; + if (temp_node_mask == 0) + break; + } + xt_xlate_add(xl, "%s %u seed 0x%08x eq %u %s", jhash_st, + info->total_nodes, info->hash_seed, + node_id, pkttype_st); + } + } else { + xt_xlate_add(xl, "%s %u seed 0x%08x ", jhash_st, + info->total_nodes, info->hash_seed); + for (node = 0; node < 32; node++) { + if (info->node_mask & (1 << node)) { + if (needs_set == 0) { + xt_xlate_add(xl, "{ "); + needs_set = 1; + } + + if (comma_needed) + xt_xlate_add(xl, ", "); + xt_xlate_add(xl, "%u", node); + comma_needed++; + } + } + if (needs_set) + xt_xlate_add(xl, " }"); + xt_xlate_add(xl, " %s", pkttype_st); + } + + return 1; +} + static struct xtables_match cluster_mt_reg = { .family = NFPROTO_UNSPEC, .name = "cluster", @@ -138,6 +188,7 @@ static struct xtables_match cluster_mt_reg = { .x6_parse = cluster_parse, .x6_fcheck = cluster_check, .x6_options = cluster_opts, + .xlate = cluster_xlate, }; void _init(void) |