int
switch_event_recv_featuresreply( struct switch_info *sw_info, uint64_t *dpid ) {
int ret;
uint16_t new_service_name_len;
char *new_service_name;
switch ( sw_info->state ) {
case SWITCH_STATE_WAIT_FEATURES_REPLY:
sw_info->datapath_id = *dpid;
sw_info->state = SWITCH_STATE_COMPLETED;
// cancel to features_reply_wait-timeout timer
switch_unset_timeout( switch_event_timeout_features_reply );
// TODO: change process name
// TODO: set keepalive-timeout
new_service_name_len = SWITCH_MANAGER_PREFIX_STR_LEN + SWITCH_MANAGER_DPID_STR_LEN + 1;
new_service_name = xmalloc( new_service_name_len );
snprintf( new_service_name, new_service_name_len, "%s%" PRIx64, SWITCH_MANAGER_PREFIX, sw_info->datapath_id );
// rename service_name of messenger
rename_message_received_callback( get_trema_name(), new_service_name );
debug( "Rename service name to %s from %s.", new_service_name, get_trema_name() );
if ( messenger_dump_enabled() ) {
stop_messenger_dump();
start_messenger_dump( new_service_name, DEFAULT_DUMP_SERVICE_NAME );
}
// notify state and datapath_id
service_send_state( sw_info, &sw_info->datapath_id, MESSENGER_OPENFLOW_READY );
debug( "send ready state" );
ret = ofpmsg_send_setconfig( sw_info );
if ( ret < 0 ) {
return ret;
}
ret = ofpmsg_send_delete_all_flows( sw_info );
if ( ret < 0 ) {
return ret;
}
break;
case SWITCH_STATE_COMPLETED:
// NOP
break;
default:
notice( "Invalid event 'features reply' from a switch." );
return -1;
break;
}
return 0;
}
int
switch_event_recv_featuresreply( struct switch_info *sw_info, uint64_t *dpid ) {
int ret;
char new_service_name[ SWITCH_MANAGER_PREFIX_STR_LEN + SWITCH_MANAGER_DPID_STR_LEN + 1 ];
const uint16_t new_service_name_len = SWITCH_MANAGER_PREFIX_STR_LEN + SWITCH_MANAGER_DPID_STR_LEN + 1;
switch ( sw_info->state ) {
case SWITCH_STATE_WAIT_FEATURES_REPLY:
sw_info->datapath_id = *dpid;
sw_info->state = SWITCH_STATE_COMPLETED;
// cancel to features_reply_wait-timeout timer
switch_unset_timeout( switch_event_timeout_features_reply, NULL );
// TODO: set keepalive-timeout
snprintf( new_service_name, new_service_name_len, "%s%#" PRIx64, SWITCH_MANAGER_PREFIX, sw_info->datapath_id );
// checking duplicate service
pid_t pid = get_trema_process_from_name( new_service_name );
if ( pid > 0 ) {
// duplicated
if ( !terminate_trema_process( pid ) ) {
return -1;
}
}
// rename service_name of messenger
rename_message_received_callback( get_trema_name(), new_service_name );
debug( "Rename service name from %s to %s.", get_trema_name(), new_service_name );
if ( messenger_dump_enabled() ) {
stop_messenger_dump();
start_messenger_dump( new_service_name, DEFAULT_DUMP_SERVICE_NAME );
}
set_trema_name( new_service_name );
// notify state and datapath_id
service_send_state( sw_info, &sw_info->datapath_id, MESSENGER_OPENFLOW_READY );
debug( "send ready state" );
ret = ofpmsg_send_setconfig( sw_info );
if ( ret < 0 ) {
return ret;
}
if ( switch_info.flow_cleanup ) {
ret = ofpmsg_send_delete_all_flows( sw_info );
if ( ret < 0 ) {
return ret;
}
}
break;
case SWITCH_STATE_COMPLETED:
// NOP
break;
default:
notice( "Invalid event 'features reply' from a switch." );
return -1;
break;
}
return 0;
}
int
switch_event_recv_featuresreply( struct switch_info *sw_info, uint64_t *dpid ) {
int ret;
char new_service_name[ SWITCH_MANAGER_PREFIX_STR_LEN + SWITCH_MANAGER_DPID_STR_LEN + 1 ];
const uint16_t new_service_name_len = SWITCH_MANAGER_PREFIX_STR_LEN + SWITCH_MANAGER_DPID_STR_LEN + 1;
switch ( sw_info->state ) {
case SWITCH_STATE_WAIT_FEATURES_REPLY:
sw_info->datapath_id = *dpid;
sw_info->state = SWITCH_STATE_WAIT_REGISTRATION;
// cancel to features_reply_wait-timeout timer
switch_unset_timeout( switch_event_timeout_features_reply, NULL );
// TODO: set keepalive-timeout
snprintf( new_service_name, new_service_name_len, "%s%#" PRIx64, SWITCH_MANAGER_PREFIX, sw_info->datapath_id );
// checking duplicate service
pid_t pid = get_pid_by_trema_name( new_service_name );
if ( pid > 0 ) {
debug( "duplicated datapath-id %#" PRIx64, sw_info->datapath_id );
if ( !terminate_trema_process( pid ) ) {
return -1;
}
}
// rename service_name of messenger
rename_message_received_callback( get_trema_name(), new_service_name );
// rename management service name
char *management_service_name = xstrdup( get_management_service_name( get_trema_name() ) );
char *new_management_service_name = xstrdup( get_management_service_name( new_service_name ) );
rename_message_requested_callback( management_service_name, new_management_service_name );
xfree( management_service_name );
xfree( new_management_service_name );
debug( "Rename service name from %s to %s.", get_trema_name(), new_service_name );
if ( messenger_dump_enabled() ) {
stop_messenger_dump();
start_messenger_dump( new_service_name, DEFAULT_DUMP_SERVICE_NAME );
}
set_trema_name( new_service_name );
// reset to default config
ret = ofpmsg_send_setconfig( sw_info );
if ( ret < 0 ) {
error( "Failed to send setconfig." );
return ret;
}
if ( switch_info.flow_cleanup ) {
debug( "Deleting all flows." );
ret = ofpmsg_send_delete_all_flows( sw_info );
if ( ret < 0 ) {
error( "Failed to send delete all flows." );
return ret;
}
}
// switch_ready to switch_manager
debug( "Notify switch_ready to switch manager." );
char switch_manager[] = SWITCH_MANAGER;
list_element switch_manager_only_list;
switch_manager_only_list.next = NULL;
switch_manager_only_list.data = switch_manager;
service_send_to_application( &switch_manager_only_list, MESSENGER_OPENFLOW_READY, &sw_info->datapath_id, NULL );
init_event_forward_interface();
// Check switch_manager registration
debug( "Checking switch manager's switch list." );
sw_info->retry_count = REGISTRATION_RETRY_COUNT;
set_list_switches_reply_handler( confirm_self_dpid_is_registered );
if ( send_list_switches_request( sw_info ) ) {
switch_set_timeout( REGISTRATION_TIMEOUT, registration_timeout, sw_info );
}
else {
error( "Failed to send switch list request to switch manager." );
return -1;
}
break;
case SWITCH_STATE_WAIT_REGISTRATION:
case SWITCH_STATE_COMPLETED:
// NOP
break;
default:
notice( "Invalid event 'features reply' from a switch." );
return -1;
break;
}
return 0;
}
