static void
secure_channel_write( int fd, void* data ) {
UNUSED( fd );
UNUSED( data );
if ( flush_secure_channel( &switch_info ) < 0 ) {
switch_event_disconnected( &switch_info );
return;
}
}
static void
secure_channel_fd_isset( fd_set *read_set, fd_set *write_set ) {
if ( switch_info.secure_channel_fd < 0 ) {
return;
}
if ( FD_ISSET( switch_info.secure_channel_fd, read_set ) ) {
if ( recv_from_secure_channel( &switch_info ) < 0 ) {
switch_event_disconnected( &switch_info );
return;
}
}
if ( FD_ISSET( switch_info.secure_channel_fd, write_set ) ) {
if ( flush_secure_channel( &switch_info ) < 0 ) {
switch_event_disconnected( &switch_info );
return;
}
}
if ( switch_info.recv_queue->length > 0 ) {
handle_messages_from_secure_channel( &switch_info );
}
}
int
main( int argc, char *argv[] ) {
int ret;
int i;
char *service_name;
char management_service_name[ MESSENGER_SERVICE_NAME_LENGTH ];
init_trema( &argc, &argv );
option_parser( argc, argv );
create_list( &switch_info.vendor_service_name_list );
create_list( &switch_info.packetin_service_name_list );
create_list( &switch_info.portstatus_service_name_list );
create_list( &switch_info.state_service_name_list );
// FIXME
#define VENDER_PREFIX "vendor::"
#define PACKET_IN_PREFIX "packet_in::"
#define PORTSTATUS_PREFIX "port_status::"
#define STATE_PREFIX "state_notify::"
for ( i = optind; i < argc; i++ ) {
if ( strncmp( argv[i], VENDER_PREFIX, strlen( VENDER_PREFIX ) ) == 0 ) {
service_name = xstrdup( argv[i] + strlen( VENDER_PREFIX ) );
insert_in_front( &switch_info.vendor_service_name_list, service_name );
}
else if ( strncmp( argv[i], PACKET_IN_PREFIX, strlen( PACKET_IN_PREFIX ) ) == 0 ) {
service_name = xstrdup( argv[i] + strlen( PACKET_IN_PREFIX ) );
insert_in_front( &switch_info.packetin_service_name_list, service_name );
}
else if ( strncmp( argv[i], PORTSTATUS_PREFIX, strlen( PORTSTATUS_PREFIX ) ) == 0 ) {
service_name = xstrdup( argv[i] + strlen( PORTSTATUS_PREFIX ) );
insert_in_front( &switch_info.portstatus_service_name_list, service_name );
}
else if ( strncmp( argv[i], STATE_PREFIX, strlen( STATE_PREFIX ) ) == 0 ) {
service_name = xstrdup( argv[i] + strlen( STATE_PREFIX ) );
insert_in_front( &switch_info.state_service_name_list, service_name );
}
}
fcntl( switch_info.secure_channel_fd, F_SETFL, O_NONBLOCK );
set_fd_handler( switch_info.secure_channel_fd, secure_channel_read, NULL, secure_channel_write, NULL );
set_readable( switch_info.secure_channel_fd, true );
set_writable( switch_info.secure_channel_fd, false );
// default switch configuration
switch_info.config_flags = OFPC_FRAG_NORMAL;
switch_info.miss_send_len = UINT16_MAX;
switch_info.fragment_buf = NULL;
switch_info.send_queue = create_message_queue();
switch_info.recv_queue = create_message_queue();
switch_info.running_timer = false;
init_xid_table();
init_cookie_table();
add_message_received_callback( get_trema_name(), service_recv );
snprintf( management_service_name , MESSENGER_SERVICE_NAME_LENGTH,
"%s.m", get_trema_name() );
management_service_name[ MESSENGER_SERVICE_NAME_LENGTH - 1 ] = '\0';
add_message_received_callback( management_service_name, management_recv );
ret = switch_event_connected( &switch_info );
if ( ret < 0 ) {
error( "Failed to set connected state." );
return -1;
}
flush_secure_channel( &switch_info );
start_trema();
finalize_xid_table();
finalize_cookie_table();
if ( switch_info.secure_channel_fd >= 0 ) {
delete_fd_handler( switch_info.secure_channel_fd );
}
return 0;
}
int
main( int argc, char *argv[] ) {
int ret;
int i;
char *service_name;
init_trema( &argc, &argv );
option_parser( argc, argv );
create_list( &switch_info.vendor_service_name_list );
create_list( &switch_info.packetin_service_name_list );
create_list( &switch_info.portstatus_service_name_list );
create_list( &switch_info.state_service_name_list );
for ( i = optind; i < argc; i++ ) {
if ( strncmp( argv[ i ], VENDOR_PREFIX, strlen( VENDOR_PREFIX ) ) == 0 ) {
service_name = xstrdup( argv[ i ] + strlen( VENDOR_PREFIX ) );
append_to_tail( &switch_info.vendor_service_name_list, service_name );
}
else if ( strncmp( argv[ i ], PACKET_IN_PREFIX, strlen( PACKET_IN_PREFIX ) ) == 0 ) {
service_name = xstrdup( argv[ i ] + strlen( PACKET_IN_PREFIX ) );
append_to_tail( &switch_info.packetin_service_name_list, service_name );
}
else if ( strncmp( argv[ i ], PORTSTATUS_PREFIX, strlen( PORTSTATUS_PREFIX ) ) == 0 ) {
service_name = xstrdup( argv[ i ] + strlen( PORTSTATUS_PREFIX ) );
append_to_tail( &switch_info.portstatus_service_name_list, service_name );
}
else if ( strncmp( argv[ i ], STATE_PREFIX, strlen( STATE_PREFIX ) ) == 0 ) {
service_name = xstrdup( argv[ i ] + strlen( STATE_PREFIX ) );
append_to_tail( &switch_info.state_service_name_list, service_name );
}
}
struct sigaction signal_exit;
memset( &signal_exit, 0, sizeof( struct sigaction ) );
signal_exit.sa_handler = handle_sigterm;
sigaction( SIGINT, &signal_exit, NULL );
sigaction( SIGTERM, &signal_exit, NULL );
fcntl( switch_info.secure_channel_fd, F_SETFL, O_NONBLOCK );
set_fd_handler( switch_info.secure_channel_fd, secure_channel_read, NULL, secure_channel_write, NULL );
set_readable( switch_info.secure_channel_fd, true );
set_writable( switch_info.secure_channel_fd, false );
// default switch configuration
switch_info.config_flags = OFPC_FRAG_NORMAL;
switch_info.miss_send_len = UINT16_MAX;
switch_info.fragment_buf = NULL;
switch_info.send_queue = create_message_queue();
switch_info.recv_queue = create_message_queue();
switch_info.running_timer = false;
switch_info.echo_request_xid = 0;
init_xid_table();
if ( switch_info.cookie_translation ) {
init_cookie_table();
}
add_message_received_callback( get_trema_name(), service_recv );
set_management_application_request_handler( management_recv, NULL );
ret = switch_event_connected( &switch_info );
if ( ret < 0 ) {
error( "Failed to set connected state." );
return -1;
}
ret = flush_secure_channel( &switch_info );
if ( ret < 0 ) {
error( "Failed to flush secure channel. Terminating %s.", argv[ 0 ] );
return -1;
}
start_trema();
// Note: init_event_forward_interface will be called on feature_reply.
finalize_event_forward_interface();
finalize_xid_table();
if ( switch_info.cookie_translation ) {
finalize_cookie_table();
}
if ( switch_info.secure_channel_fd >= 0 ) {
delete_fd_handler( switch_info.secure_channel_fd );
}
return 0;
}