PanelModel::PanelModel()
{
set_wait_state(get_global_info()->waitForState);
set_wait_timeout(get_global_info()->waitTimeout);
}
void
probe_request( probe_timer_entry *entry, int event, uint64_t *dpid, uint16_t port_no ) {
if ( event == PROBE_TIMER_EVENT_UP ) {
get_current_time( &port_down_time );
}
int old_state = entry->state;
switch ( entry->state ) {
case PROBE_TIMER_STATE_INACTIVE:
switch( event ) {
case PROBE_TIMER_EVENT_UP:
set_send_delay_state( entry );
break;
default:
break;
}
break;
case PROBE_TIMER_STATE_SEND_DELAY:
switch( event ) {
case PROBE_TIMER_EVENT_DOWN:
set_inactive_state( entry );
break;
case PROBE_TIMER_EVENT_TIMEOUT:
set_wait_state( entry );
send_lldp( entry );
break;
default:
break;
}
break;
case PROBE_TIMER_STATE_WAIT:
switch( event ) {
case PROBE_TIMER_EVENT_DOWN:
set_inactive_state( entry );
break;
case PROBE_TIMER_EVENT_RECV_LLDP:
set_confirmed_state( entry );
entry->link_up = true;
entry->to_datapath_id = *dpid;
entry->to_port_no = port_no;
topology_update_link_status link_status;
link_status.from_dpid = entry->datapath_id;
link_status.from_portno = entry->port_no;
link_status.to_dpid = *dpid;
link_status.to_portno = port_no;
link_status.status = TD_PORT_UP;
set_link_status( &link_status, NULL, NULL );
break;
case PROBE_TIMER_EVENT_TIMEOUT:
if ( --entry->retry_count > 0 ) {
set_wait_state( entry );
send_lldp( entry );
} else {
set_confirmed_state( entry );
entry->link_up = false;
entry->to_datapath_id = 0;
entry->to_port_no = 0;
get_current_time( &( entry->link_down_time ) );
topology_update_link_status link_status;
link_status.from_dpid = entry->datapath_id;
link_status.from_portno = entry->port_no;
link_status.to_dpid = 0;
link_status.to_portno = 0;
link_status.status = TD_PORT_DOWN;
set_link_status( &link_status, NULL, NULL );
}
break;
default:
break;
}
break;
case PROBE_TIMER_STATE_CONFIRMED:
switch( event ) {
case PROBE_TIMER_EVENT_DOWN:
set_inactive_state( entry );
break;
case PROBE_TIMER_EVENT_TIMEOUT:
if ( --entry->retry_count > 0
&& !other_port_status_changed( entry ) ) {
set_confirmed_state( entry );
} else {
set_send_delay_state( entry );
}
break;
default:
break;
}
break;
default:
UNREACHABLE();
break;
}
if ( entry->state != old_state ) {
debug( "Update probe state: %d <= %d by event %d. dpid %" PRIx64 " %u.",
entry->state, old_state, event,
entry->datapath_id, entry->port_no );
}
if ( entry->state != PROBE_TIMER_STATE_INACTIVE ) {
insert_probe_timer_entry( entry );
}
}
