|  | # Big Switch/FloodLight  OpenFlow Controller | 
|  | # ------------------------------------------ | 
|  |  | 
|  | # Save trace setting | 
|  | MY_XTRACE=$(set +o | grep xtrace) | 
|  | set +o xtrace | 
|  |  | 
|  | BS_FL_CONTROLLERS_PORT=${BS_FL_CONTROLLERS_PORT:-localhost:80} | 
|  | BS_FL_OF_PORT=${BS_FL_OF_PORT:-6633} | 
|  |  | 
|  | function configure_bigswitch_floodlight() { | 
|  | : | 
|  | } | 
|  |  | 
|  | function init_bigswitch_floodlight() { | 
|  | install_neutron_agent_packages | 
|  |  | 
|  | echo -n "Installing OVS managed by the openflow controllers:" | 
|  | echo ${BS_FL_CONTROLLERS_PORT} | 
|  |  | 
|  | # Create local OVS bridge and configure it | 
|  | sudo ovs-vsctl --no-wait -- --if-exists del-br ${OVS_BRIDGE} | 
|  | sudo ovs-vsctl --no-wait add-br ${OVS_BRIDGE} | 
|  | sudo ovs-vsctl --no-wait br-set-external-id ${OVS_BRIDGE} bridge-id ${OVS_BRIDGE} | 
|  |  | 
|  | ctrls= | 
|  | for ctrl in `echo ${BS_FL_CONTROLLERS_PORT} | tr ',' ' '` | 
|  | do | 
|  | ctrl=${ctrl%:*} | 
|  | ctrls="${ctrls} tcp:${ctrl}:${BS_FL_OF_PORT}" | 
|  | done | 
|  | echo "Adding Network conttrollers: " ${ctrls} | 
|  | sudo ovs-vsctl --no-wait set-controller ${OVS_BRIDGE} ${ctrls} | 
|  | } | 
|  |  | 
|  | function install_bigswitch_floodlight() { | 
|  | : | 
|  | } | 
|  |  | 
|  | function start_bigswitch_floodlight() { | 
|  | : | 
|  | } | 
|  |  | 
|  | function stop_bigswitch_floodlight() { | 
|  | : | 
|  | } | 
|  |  | 
|  | # Restore xtrace | 
|  | $MY_XTRACE |