+static clib_error_t *
+nat44_show_summary_command_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ snat_main_per_thread_data_t *tsm;
+ snat_main_t *sm = &snat_main;
+ snat_address_t *a;
+ snat_session_t *s;
+ u32 free_ports, free_ports_addr;
+
+ if (sm->deterministic)
+ return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR);
+
+ if (sm->endpoint_dependent)
+ vlib_cli_output (vm, "mode: endpoint-depenent");
+
+ // print timeouts
+ vlib_cli_output (vm, "icmp timeout: %u", sm->icmp_timeout);
+ vlib_cli_output (vm, "udp timeout: %u", sm->udp_timeout);
+
+ vlib_cli_output (vm, "tcp established timeout: %u",
+ sm->tcp_established_timeout);
+ vlib_cli_output (vm, "tcp transitory timeout: %u",
+ sm->tcp_transitory_timeout);
+
+ // print session configuration values
+ vlib_cli_output (vm, "max translations: %u", sm->max_translations);
+ vlib_cli_output (vm, "max translations per user: %u",
+ sm->max_translations_per_user);
+
+ // do we need also twice-nat addresses ??
+ if (vec_len (sm->addresses))
+ {
+ free_ports = 0;
+ /* *INDENT-OFF* */
+ vec_foreach (a, sm->addresses)
+ {
+ free_ports_addr = sm->port_per_thread;
+
+ #define _(N, i, n, s) \
+ free_ports_addr -= a->busy_##n##_ports;
+ foreach_snat_protocol
+ #undef _
+
+ vlib_cli_output (vm, "addr: %U free ports: %u out of: %u",
+ format_ip4_address, &a->addr, free_ports_addr, sm->port_per_thread);
+
+ free_ports += free_ports_addr;
+ }
+ /* *INDENT-ON* */
+ vlib_cli_output (vm, "free ports overall: %u out of: %u",
+ free_ports,
+ vec_len (sm->addresses) * sm->port_per_thread);
+ }
+
+ u32 count = 0;
+ u32 transitory = 0;
+ u32 established = 0;
+
+ if (sm->num_workers > 1)
+ {
+ /* *INDENT-OFF* */
+ vec_foreach (tsm, sm->per_thread_data)
+ {
+ count += vec_len (tsm->sessions);
+ pool_foreach (s, tsm->sessions,
+ ({
+ if (s->state)
+ transitory++;
+ else
+ established++;
+ }));
+ }
+ /* *INDENT-ON* */
+ }
+ else
+ {
+ tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers);
+ /* *INDENT-OFF* */
+ pool_foreach (s, tsm->sessions,
+ ({
+ if (s->state)
+ transitory++;
+ else
+ established++;
+ }));
+ /* *INDENT-ON* */
+ count = vec_len (tsm->sessions);
+ }
+ vlib_cli_output (vm, "established sessions: %u", established);
+ vlib_cli_output (vm, "transitory sessions: %u", transitory);
+ vlib_cli_output (vm, "sessions: %u", count);
+ return 0;
+}
+