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BGP: Add counter of FSM established transitions

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The counter is persistent through protocol up/down/restart events.
This commit is contained in:
Ondrej Zajicek (work) 2019-12-03 18:24:01 +01:00
parent 623e41cc50
commit ee13f35d34
2 changed files with 8 additions and 0 deletions
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6
proto/bgp/bgp.c
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@ -504,6 +504,8 @@ bgp_conn_enter_established_state(struct bgp_conn *conn)
struct bgp_channel *c;
BGP_TRACE(D_EVENTS, "BGP session established");
p->last_established = current_time();
p->fsm_established_transitions++;
/* For multi-hop BGP sessions */
if (ipa_zero(p->source_addr))
@ -616,6 +618,7 @@ static void
bgp_conn_leave_established_state(struct bgp_proto *p)
{
BGP_TRACE(D_EVENTS, "BGP session closed");
p->last_established = current_time();
p->conn = NULL;
if (p->p.proto_state == PS_UP)
@ -2156,6 +2159,9 @@ bgp_show_proto_info(struct proto *P)
tm_remains(p->conn->keepalive_timer), p->conn->keepalive_time);
}
cli_msg(-1006, " FSM established transitions: %u",
p->fsm_established_transitions);
struct bgp_stats *s = &p->stats;
cli_msg(-1006, " Statistics:");
cli_msg(-1006, " rx-open %u rx-update %u rx-notify %u rx-keepalive %u rx-refresh %u",

2
proto/bgp/bgp.h
View File

@ -267,6 +267,8 @@ struct bgp_proto {
struct bgp_socket *sock; /* Shared listening socket */
struct bfd_request *bfd_req; /* BFD request, if BFD is used */
struct bgp_stats stats; /* Packet statistics */
uint fsm_established_transitions; /* Number of established transitions */
btime last_established; /* Last time of enter/leave of established state */
ip_addr source_addr; /* Local address used as an advertised next hop */
ip_addr link_addr; /* Link-local version of source_addr */
event *event; /* Event for respawning and shutting process */