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authorDave Cornejo <dcornejo@netgate.com>2022-09-28 01:47:45 +0000
committerMatthew Smith <mgsmith@netgate.com>2022-10-11 14:28:18 +0000
commit91246bc6a28ef6838c417d4a559208e9cc8cbb85 (patch)
tree28bca1698e6946ae1e752375e9651d9d4ce8cd62 /src/plugins/nat/nat44-ed
parent06923b33a9507ee6a92facb770650fff93d89dff (diff)
nat: report time between current vpp time and last_heard
existing details report the last_heard as the seconds since VPP started, this is not very useful, so report additionaly time_since_last_heard in seconds between VPP time and last_heard. Change-Id: Ifd34b1449e57919242b1f0e22156d3590af3c738 Type: improvement Signed-off-by: Dave Cornejo <dcornejo@netgate.com> Signed-off-by: Vladimir Ratnikov <vratnikov@netgate.com>
Diffstat (limited to 'src/plugins/nat/nat44-ed')
-rw-r--r--src/plugins/nat/nat44-ed/nat44_ed.api56
-rw-r--r--src/plugins/nat/nat44-ed/nat44_ed_api.c81
2 files changed, 137 insertions, 0 deletions
diff --git a/src/plugins/nat/nat44-ed/nat44_ed.api b/src/plugins/nat/nat44-ed/nat44_ed.api
index 88496a3f16e..f0bcae92687 100644
--- a/src/plugins/nat/nat44-ed/nat44_ed.api
+++ b/src/plugins/nat/nat44-ed/nat44_ed.api
@@ -901,6 +901,62 @@ define nat44_user_session_v2_details {
bool is_timed_out;
};
+/** \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 since VPP start
+ @param time_since_last_heard - difference between current vpp time and last_heard value
+ @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_v3_details {
+ 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 time_since_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 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_v3_dump {
+ u32 client_index;
+ u32 context;
+ vl_api_ip4_address_t ip_address;
+ u32 vrf_id;
+};
+
// DEPRECATED, obsolete messages completely unsupported
/** \brief Del NAT44 user
diff --git a/src/plugins/nat/nat44-ed/nat44_ed_api.c b/src/plugins/nat/nat44-ed/nat44_ed_api.c
index c430429947e..139595a6a82 100644
--- a/src/plugins/nat/nat44-ed/nat44_ed_api.c
+++ b/src/plugins/nat/nat44-ed/nat44_ed_api.c
@@ -1535,6 +1535,53 @@ send_nat44_user_session_v2_details (snat_session_t *s,
}
static void
+send_nat44_user_session_v3_details (snat_session_t *s,
+ vl_api_registration_t *reg, u32 context)
+{
+ vl_api_nat44_user_session_v3_details_t *rmp;
+ snat_main_t *sm = &snat_main;
+ u64 now = vlib_time_now (vlib_get_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_V3_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->time_since_last_heard =
+ clib_host_to_net_u64 ((u64) (now - s->last_heard));
+ rmp->total_bytes = clib_host_to_net_u64 (s->total_bytes);
+ rmp->total_pkts = ntohl (s->total_pkts);
+ rmp->context = context;
+ rmp->outside_port = s->out2in.port;
+ rmp->inside_port = s->in2out.port;
+ rmp->protocol = clib_host_to_net_u16 (s->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 + nat44_session_get_timeout (sm, s);
+ 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)
{
@@ -1568,6 +1615,40 @@ vl_api_nat44_user_session_v2_dump_t_handler (
}
}
+static void
+vl_api_nat44_user_session_v3_dump_t_handler (
+ vl_api_nat44_user_session_v3_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_v3_details (s, reg, mp->context);
+ }
+ }
+}
+
// DEPRECATED, obsolete messages completely unsupported
static void