BGP: Send hold timer

[thirdparty/bird.git] / proto / bgp / bgp.c

diff --git a/proto/bgp/bgp.c b/proto/bgp/bgp.c
index b14df932fb40b0f043046233bdcb1b91a79babaf..9d4671afc4fe7950743a67dfa09a58d6137537a8 100644 (file)
--- a/proto/bgp/bgp.c
+++ b/proto/bgp/bgp.c
@@ -375,6 +375,8 @@ bgp_close_conn(struct bgp_conn *conn)
   conn->keepalive_timer = NULL;
   rfree(conn->hold_timer);
   conn->hold_timer = NULL;
+  rfree(conn->send_hold_timer);
+  conn->send_hold_timer = NULL;
   rfree(conn->tx_ev);
   conn->tx_ev = NULL;
   rfree(conn->sk);
@@ -673,6 +675,13 @@ bgp_conn_enter_established_state(struct bgp_conn *conn)
     p->channel_map[c->index] = c;
   }
 
+  /* Breaking rx_hook for simulating receive problem */
+  if (p->cf->disable_rx)
+  {
+    conn->sk->rx_hook = NULL;
+    tm_stop(conn->hold_timer);
+  }
+
   /* proto_notify_state() will likely call bgp_feed_begin(), setting c->feed_state */
 
   bgp_conn_set_state(conn, BS_ESTABLISHED);
@@ -1044,6 +1053,27 @@ bgp_keepalive_timeout(timer *t)
     ev_run(conn->tx_ev);
 }
 
+void
+bgp_send_hold_timeout(timer *t)
+{
+  struct bgp_conn *conn = t->data;
+  struct bgp_proto *p = conn->bgp;
+
+  if (conn->state == BS_CLOSE)
+    return;
+
+  /* Error codes not yet assigned by IANA */
+  uint code = 4;
+  uint subcode = 1;
+
+  /* Like bgp_error() but without NOTIFICATION */
+  bgp_log_error(p, BE_BGP_TX, "Error", code, subcode, NULL, 0);
+  bgp_store_error(p, conn, BE_BGP_TX, (code << 16) | subcode);
+  bgp_conn_enter_idle_state(conn);
+  bgp_update_startup_delay(p);
+  bgp_stop(p, 0, NULL, 0);
+}
+
 static void
 bgp_setup_conn(struct bgp_proto *p, struct bgp_conn *conn)
 {
@@ -1058,6 +1088,7 @@ bgp_setup_conn(struct bgp_proto *p, struct bgp_conn *conn)
   conn->connect_timer  = tm_new_init(p->p.pool, bgp_connect_timeout,    conn, 0, 0);
   conn->hold_timer     = tm_new_init(p->p.pool, bgp_hold_timeout,       conn, 0, 0);
   conn->keepalive_timer        = tm_new_init(p->p.pool, bgp_keepalive_timeout, conn, 0, 0);
+  conn->send_hold_timer = tm_new_init(p->p.pool, bgp_send_hold_timeout, conn, 0, 0);
 
   conn->tx_ev = ev_new_init(p->p.pool, bgp_kick_tx, conn);
 }
@@ -2619,7 +2650,9 @@ bgp_show_proto_info(struct proto *P)
            tm_remains(p->conn->hold_timer), p->conn->hold_time);
     cli_msg(-1006, "    Keepalive timer:  %t/%u",
            tm_remains(p->conn->keepalive_timer), p->conn->keepalive_time);
-  }
+    cli_msg(-1006, "    Send hold timer:  %t/%u",
+           tm_remains(p->conn->send_hold_timer), p->conn->send_hold_time);
+}
 
 #if 0
   struct bgp_stats *s = &p->stats;