Keep rhizome sync state for up to 5s while routes flap

This commit is contained in:
Jeremy Lakeman 2018-04-24 11:11:22 +09:30
parent 98fa034c53
commit 0043e20b81

View File

@ -504,6 +504,7 @@ static void sync_send_peer(struct subscriber *peer, struct rhizome_sync_keys *sy
void sync_send(struct sched_ent *alarm)
{
time_ms_t now = gettime_ms();
struct msp_iterator iterator;
msp_iterator_open(&sync_connections, &iterator);
@ -515,7 +516,14 @@ void sync_send(struct sched_ent *alarm)
struct subscriber *peer = msp_remote_peer(connection);
struct rhizome_sync_keys *sync_state = get_peer_sync_state(peer);
sync_state->connection = connection;
sync_send_peer(peer, sync_state);
if (peer->reachable & REACHABLE_DIRECT){
sync_send_peer(peer, sync_state);
}else{
// pause transfers if the routing table flaps, give up after 5s of inactivity
if (now - msp_last_packet(connection) > 5000)
free_peer_sync_state(peer);
}
}
while(1){
@ -991,7 +999,8 @@ static int sync_keys_recv(struct internal_mdp_header *header, struct overlay_buf
msp_consumed(connection_state, packet, recv_payload);
}
sync_send_peer(header->source, sync_state);
if (header->source->reachable & REACHABLE_DIRECT)
sync_send_peer(header->source, sync_state);
time_ms_t next_action = msp_next_action(connection_state);
if (sync_complete_transfers()==1){
@ -1013,7 +1022,7 @@ static int sync_keys_recv(struct internal_mdp_header *header, struct overlay_buf
return 0;
}
static void sync_neighbour_changed(struct subscriber *neighbour, uint8_t found, unsigned count)
static void sync_neighbour_changed(struct subscriber *UNUSED(neighbour), uint8_t UNUSED(found), unsigned count)
{
struct sched_ent *alarm = &ALARM_STRUCT(sync_send_keys);
int enabled = is_rhizome_advertise_enabled();
@ -1029,9 +1038,6 @@ static void sync_neighbour_changed(struct subscriber *neighbour, uint8_t found,
unschedule(alarm);
unschedule(&ALARM_STRUCT(sync_keys_status));
}
if (!found || !enabled)
free_peer_sync_state(neighbour);
}
DEFINE_TRIGGER(nbr_change, sync_neighbour_changed);