-u8 * format_snat_session_state (u8 * s, va_list * args)
-{
- u32 i = va_arg (*args, u32);
- u8 *t = 0;
-
- switch (i)
- {
-#define _(v, N, str) case SNAT_SESSION_##N: t = (u8 *) str; break;
- foreach_snat_session_state
-#undef _
- default:
- t = format (t, "unknown");
- }
- s = format (s, "%s", t);
- return s;
-}
-
-u8 * format_snat_key (u8 * s, va_list * args)
-{
- snat_session_key_t * key = va_arg (*args, snat_session_key_t *);
-
- s = format (s, "%U proto %U port %d fib %d",
- format_ip4_address, &key->addr,
- format_snat_protocol, key->protocol,
- clib_net_to_host_u16 (key->port), key->fib_index);
- return s;
-}
-
-u8 * format_snat_session (u8 * s, va_list * args)
-{
- snat_main_per_thread_data_t * sm = va_arg (*args, snat_main_per_thread_data_t *);
- snat_session_t * sess = va_arg (*args, snat_session_t *);
-
- if (snat_is_unk_proto_session (sess))
- {
- s = format (s, " i2o %U proto %u fib %u\n",
- format_ip4_address, &sess->in2out.addr,
- clib_net_to_host_u16 (sess->in2out.port),
- sess->in2out.fib_index);
- s = format (s, " o2i %U proto %u fib %u\n",
- format_ip4_address, &sess->out2in.addr,
- clib_net_to_host_u16 (sess->out2in.port),
- sess->out2in.fib_index);
- }
- else
- {
- s = format (s, " i2o %U\n", format_snat_key, &sess->in2out);
- s = format (s, " o2i %U\n", format_snat_key, &sess->out2in);
- }
- if (is_ed_session (sess) || is_fwd_bypass_session (sess))
- {
- if (is_twice_nat_session (sess))
- {
- s = format (s, " external host o2i %U:%d i2o %U:%d\n",
- format_ip4_address, &sess->ext_host_addr,
- clib_net_to_host_u16 (sess->ext_host_port),
- format_ip4_address, &sess->ext_host_nat_addr,
- clib_net_to_host_u16 (sess->ext_host_nat_port));
- }
- else
- {
- if (sess->ext_host_addr.as_u32)
- s = format (s, " external host %U:%u\n",
- format_ip4_address, &sess->ext_host_addr,
- clib_net_to_host_u16 (sess->ext_host_port));
- }
- }
- s = format (s, " index %llu\n", sess - sm->sessions);
- s = format (s, " last heard %.2f\n", sess->last_heard);
- s = format (s, " total pkts %d, total bytes %lld\n",
- sess->total_pkts, sess->total_bytes);
- if (snat_is_session_static (sess))
- s = format (s, " static translation\n");
- else
- s = format (s, " dynamic translation\n");
- if (is_fwd_bypass_session (sess))
- s = format (s, " forwarding-bypass\n");
- if (is_lb_session (sess))
- s = format (s, " load-balancing\n");
- if (is_twice_nat_session (sess))
- s = format (s, " twice-nat\n");
-
- return s;
-}
-
-u8 * format_snat_user (u8 * s, va_list * args)
-{
- snat_main_per_thread_data_t * sm = va_arg (*args, snat_main_per_thread_data_t *);
- snat_user_t * u = va_arg (*args, snat_user_t *);
- int verbose = va_arg (*args, int);
- dlist_elt_t * head, * elt;
- u32 elt_index, head_index;
- u32 session_index;
- snat_session_t * sess;
-
- s = format (s, "%U: %d dynamic translations, %d static translations\n",
- format_ip4_address, &u->addr, u->nsessions, u->nstaticsessions);
-
- if (verbose == 0)
- return s;
-
- if (u->nsessions || u->nstaticsessions)
- {
- head_index = u->sessions_per_user_list_head_index;
- head = pool_elt_at_index (sm->list_pool, head_index);
-
- elt_index = head->next;
- elt = pool_elt_at_index (sm->list_pool, elt_index);
- session_index = elt->value;
-
- while (session_index != ~0)
- {
- sess = pool_elt_at_index (sm->sessions, session_index);
-
- s = format (s, " %U\n", format_snat_session, sm, sess);
-
- elt_index = elt->next;
- elt = pool_elt_at_index (sm->list_pool, elt_index);
- session_index = elt->value;
- }
- }
-
- return s;
-}
-
-u8 * format_snat_static_mapping (u8 * s, va_list * args)
-{
- snat_static_mapping_t *m = va_arg (*args, snat_static_mapping_t *);
- nat44_lb_addr_port_t *local;
-
- if (m->addr_only)
- s = format (s, "local %U external %U vrf %d %s %s",
- format_ip4_address, &m->local_addr,
- format_ip4_address, &m->external_addr,
- m->vrf_id,
- m->twice_nat == TWICE_NAT ? "twice-nat" :
- m->twice_nat == TWICE_NAT_SELF ? "self-twice-nat" : "",
- m->out2in_only ? "out2in-only" : "");
- else
- {
- if (vec_len (m->locals))
- {
- s = format (s, "%U external %U:%d %s %s",
- format_snat_protocol, m->proto,
- format_ip4_address, &m->external_addr, m->external_port,
- m->twice_nat == TWICE_NAT ? "twice-nat" :
- m->twice_nat == TWICE_NAT_SELF ? "self-twice-nat" : "",
- m->out2in_only ? "out2in-only" : "");
- vec_foreach (local, m->locals)
- s = format (s, "\n local %U:%d vrf %d probability %d\%",
- format_ip4_address, &local->addr, local->port,
- local->vrf_id, local->probability);
- }
- else
- s = format (s, "%U local %U:%d external %U:%d vrf %d %s %s",
- format_snat_protocol, m->proto,
- format_ip4_address, &m->local_addr, m->local_port,
- format_ip4_address, &m->external_addr, m->external_port,
- m->vrf_id,
- m->twice_nat == TWICE_NAT ? "twice-nat" :
- m->twice_nat == TWICE_NAT_SELF ? "self-twice-nat" : "",
- m->out2in_only ? "out2in-only" : "");
- }
- return s;
-}
-
-u8 * format_snat_static_map_to_resolve (u8 * s, va_list * args)
-{
- snat_static_map_resolve_t *m = va_arg (*args, snat_static_map_resolve_t *);
- vnet_main_t *vnm = vnet_get_main();
-
- if (m->addr_only)
- s = format (s, "local %U external %U vrf %d",
- format_ip4_address, &m->l_addr,
- format_vnet_sw_if_index_name, vnm, m->sw_if_index,
- m->vrf_id);
- else
- s = format (s, "%U local %U:%d external %U:%d vrf %d",
- format_snat_protocol, m->proto,
- format_ip4_address, &m->l_addr, m->l_port,
- format_vnet_sw_if_index_name, vnm, m->sw_if_index,
- m->e_port, m->vrf_id);
-
- return s;
-}
-
-u8 * format_det_map_ses (u8 * s, va_list * args)
-{
- snat_det_map_t * det_map = va_arg (*args, snat_det_map_t *);
- ip4_address_t in_addr, out_addr;
- u32 in_offset, out_offset;
- snat_det_session_t * ses = va_arg (*args, snat_det_session_t *);
- u32 * i = va_arg (*args, u32 *);
-
- u32 user_index = *i / SNAT_DET_SES_PER_USER;
- in_addr.as_u32 = clib_host_to_net_u32 (
- clib_net_to_host_u32(det_map->in_addr.as_u32) + user_index);
- in_offset = clib_net_to_host_u32(in_addr.as_u32) -
- clib_net_to_host_u32(det_map->in_addr.as_u32);
- out_offset = in_offset / det_map->sharing_ratio;
- out_addr.as_u32 = clib_host_to_net_u32(
- clib_net_to_host_u32(det_map->out_addr.as_u32) + out_offset);
- s = format (s, "in %U:%d out %U:%d external host %U:%d state: %U expire: %d\n",
- format_ip4_address, &in_addr,
- clib_net_to_host_u16 (ses->in_port),
- format_ip4_address, &out_addr,
- clib_net_to_host_u16 (ses->out.out_port),
- format_ip4_address, &ses->out.ext_host_addr,
- clib_net_to_host_u16 (ses->out.ext_host_port),
- format_snat_session_state, ses->state,
- ses->expire);
-
- return s;
-}
-