diff options
| -rw-r--r-- | src/plugins/nat/nat44-ed/nat44_ed.api | 58 | ||||
| -rw-r--r-- | src/plugins/nat/nat44-ed/nat44_ed_api.c | 89 |
2 files changed, 146 insertions, 1 deletions
diff --git a/src/plugins/nat/nat44-ed/nat44_ed.api b/src/plugins/nat/nat44-ed/nat44_ed.api index c65b7a81166..bff00b809e0 100644 --- a/src/plugins/nat/nat44-ed/nat44_ed.api +++ b/src/plugins/nat/nat44-ed/nat44_ed.api @@ -13,7 +13,7 @@ * limitations under the License. */ -option version = "5.3.0"; +option version = "5.4.0"; import "vnet/ip/ip_types.api"; import "vnet/interface_types.api"; import "plugins/nat/lib/nat_types.api"; @@ -1040,6 +1040,62 @@ define nat44_user_session_details { u16 ext_host_nat_port; }; +/** \brief NAT44 user's sessions + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request + @param ip_address - IPv4 address of the user to dump + @param vrf_id - VRF_ID +*/ +define nat44_user_session_v2_dump { + option in_progress; + u32 client_index; + u32 context; + vl_api_ip4_address_t ip_address; + u32 vrf_id; +}; + +/** \brief NAT44 user's sessions response + @param context - sender context, to match reply w/ request + @param outside_ip_address - outside IPv4 address + @param outside_port - outside port + @param inside_ip_address - inside IPv4 address + @param inside_port - inside port + @param protocol - protocol + @param flags - flag NAT_IS_STATIC if session is static, + flag NAT_IS_TWICE_NAT if session is twice-nat, + flag NAT_IS_EXT_HOST_VALID if external host address + and port are valid + @param last_heard - last heard timer + @param total_bytes - count of bytes sent through session + @param total_pkts - count of pakets sent through session + @param ext_host_address - external host IPv4 address + @param ext_host_port - external host port + @param ext_host_nat_address - post-NAT external host IPv4 address (valid + only if twice-nat session) + @param ext_host_nat_port - post-NAT external host port (valid only if + twice-nat session) + @param is_timed_out - true, if session is timed out, and false, if session + is active +*/ +define nat44_user_session_v2_details { + option in_progress; + u32 context; + vl_api_ip4_address_t outside_ip_address; + u16 outside_port; + vl_api_ip4_address_t inside_ip_address; + u16 inside_port; + u16 protocol; + vl_api_nat_config_flags_t flags; + u64 last_heard; + u64 total_bytes; + u32 total_pkts; + vl_api_ip4_address_t ext_host_address; + u16 ext_host_port; + vl_api_ip4_address_t ext_host_nat_address; + u16 ext_host_nat_port; + bool is_timed_out; +}; + /** \brief NAT44 load-balancing address and port pair @param addr - IPv4 address of the internal node @param port - L4 port number of the internal node diff --git a/src/plugins/nat/nat44-ed/nat44_ed_api.c b/src/plugins/nat/nat44-ed/nat44_ed_api.c index 64946c7b640..d4de4823025 100644 --- a/src/plugins/nat/nat44-ed/nat44_ed_api.c +++ b/src/plugins/nat/nat44-ed/nat44_ed_api.c @@ -1676,6 +1676,95 @@ vl_api_nat44_user_session_dump_t_handler (vl_api_nat44_user_session_dump_t * } } +static void +send_nat44_user_session_v2_details (snat_session_t *s, + vl_api_registration_t *reg, u32 context) +{ + vl_api_nat44_user_session_v2_details_t *rmp; + snat_main_t *sm = &snat_main; + u64 now = vlib_time_now (sm->vnet_main->vlib_main); + u64 sess_timeout_time = 0; + + rmp = vl_msg_api_alloc (sizeof (*rmp)); + clib_memset (rmp, 0, sizeof (*rmp)); + rmp->_vl_msg_id = + ntohs (VL_API_NAT44_USER_SESSION_V2_DETAILS + sm->msg_id_base); + clib_memcpy (rmp->outside_ip_address, (&s->out2in.addr), 4); + clib_memcpy (rmp->inside_ip_address, (&s->in2out.addr), 4); + + if (nat44_ed_is_session_static (s)) + rmp->flags |= NAT_API_IS_STATIC; + + if (nat44_ed_is_twice_nat_session (s)) + rmp->flags |= NAT_API_IS_TWICE_NAT; + + rmp->flags |= NAT_API_IS_EXT_HOST_VALID; + + rmp->last_heard = clib_host_to_net_u64 ((u64) s->last_heard); + rmp->total_bytes = clib_host_to_net_u64 (s->total_bytes); + rmp->total_pkts = ntohl (s->total_pkts); + rmp->context = context; + if (snat_is_unk_proto_session (s)) + { + rmp->outside_port = 0; + rmp->inside_port = 0; + rmp->protocol = ntohs (s->in2out.port); + } + else + { + rmp->outside_port = s->out2in.port; + rmp->inside_port = s->in2out.port; + rmp->protocol = ntohs (nat_proto_to_ip_proto (s->nat_proto)); + } + clib_memcpy (rmp->ext_host_address, &s->ext_host_addr, 4); + rmp->ext_host_port = s->ext_host_port; + if (nat44_ed_is_twice_nat_session (s)) + { + clib_memcpy (rmp->ext_host_nat_address, &s->ext_host_nat_addr, 4); + rmp->ext_host_nat_port = s->ext_host_nat_port; + } + + sess_timeout_time = s->last_heard + (f64) nat_session_get_timeout ( + &sm->timeouts, s->nat_proto, s->state); + rmp->is_timed_out = (now >= sess_timeout_time); + + vl_api_send_msg (reg, (u8 *) rmp); +} + +static void +vl_api_nat44_user_session_v2_dump_t_handler ( + vl_api_nat44_user_session_v2_dump_t *mp) +{ + snat_main_per_thread_data_t *tsm; + snat_main_t *sm = &snat_main; + vl_api_registration_t *reg; + snat_user_key_t ukey; + snat_session_t *s; + ip4_header_t ip; + + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) + return; + + clib_memcpy (&ukey.addr, mp->ip_address, 4); + ip.src_address.as_u32 = ukey.addr.as_u32; + ukey.fib_index = fib_table_find (FIB_PROTOCOL_IP4, ntohl (mp->vrf_id)); + if (sm->num_workers > 1) + tsm = vec_elt_at_index ( + sm->per_thread_data, + nat44_ed_get_in2out_worker_index (0, &ip, ukey.fib_index, 0)); + else + tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers); + + pool_foreach (s, tsm->sessions) + { + if (s->in2out.addr.as_u32 == ukey.addr.as_u32) + { + send_nat44_user_session_v2_details (s, reg, mp->context); + } + } +} + /* API definitions */ #include <vnet/format_fns.h> #include <nat/nat44-ed/nat44_ed.api.c> |