NAT44: active-passive HA (VPP-1571)
[vpp.git] / src / plugins / nat / nat_inlines.h
index 38cfc37..64b1f25 100644 (file)
@@ -21,6 +21,7 @@
 
 #include <vnet/fib/ip4_fib.h>
 #include <nat/nat.h>
+#include <nat/nat_ha.h>
 
 always_inline u32
 ip_proto_to_snat_proto (u8 ip_proto)
@@ -159,6 +160,8 @@ nat44_delete_user_with_no_session (snat_main_t * sm, snat_user_t * u,
       pool_put_index (tsm->list_pool, u->sessions_per_user_list_head_index);
       pool_put (tsm->users, u);
       clib_bihash_add_del_8_8 (&tsm->user_hash, &kv, 0);
+      vlib_set_simple_counter (&sm->total_users, thread_index, 0,
+                              pool_elts (tsm->users));
     }
 }
 
@@ -177,6 +180,8 @@ nat44_delete_session (snat_main_t * sm, snat_session_t * ses,
   clib_dlist_remove (tsm->list_pool, ses->per_user_index);
   pool_put_index (tsm->list_pool, ses->per_user_index);
   pool_put (tsm->sessions, ses);
+  vlib_set_simple_counter (&sm->total_sessions, thread_index, 0,
+                          pool_elts (tsm->sessions));
 
   u_key.addr = ses->in2out.addr;
   u_key.fib_index = ses->in2out.fib_index;
@@ -224,7 +229,7 @@ nat44_set_tcp_session_state_i2o (snat_main_t * sm, snat_session_t * ses,
     {
       nat_log_debug ("TCP close connection %U", format_snat_session,
                     &sm->per_thread_data[thread_index], ses);
-      nat_free_session_data (sm, ses, thread_index);
+      nat_free_session_data (sm, ses, thread_index, 0);
       nat44_delete_session (sm, ses, thread_index);
       return 1;
     }
@@ -258,7 +263,7 @@ nat44_set_tcp_session_state_o2i (snat_main_t * sm, snat_session_t * ses,
     {
       nat_log_debug ("TCP close connection %U", format_snat_session,
                     &sm->per_thread_data[thread_index], ses);
-      nat_free_session_data (sm, ses, thread_index);
+      nat_free_session_data (sm, ses, thread_index, 0);
       nat44_delete_session (sm, ses, thread_index);
       return 1;
     }
@@ -289,11 +294,16 @@ nat44_session_get_timeout (snat_main_t * sm, snat_session_t * s)
 }
 
 always_inline void
-nat44_session_update_counters (snat_session_t * s, f64 now, uword bytes)
+nat44_session_update_counters (snat_session_t * s, f64 now, uword bytes,
+                              u32 thread_index)
 {
   s->last_heard = now;
   s->total_pkts++;
   s->total_bytes += bytes;
+  nat_ha_sref (&s->out2in.addr, s->out2in.port, &s->ext_host_addr,
+              s->ext_host_port, s->out2in.protocol, s->out2in.fib_index,
+              s->total_pkts, s->total_bytes, thread_index,
+              &s->ha_last_refreshed, now);
 }
 
 /** \brief Per-user LRU list maintenance */