void
ofperr_msg_format(struct ds *string, enum ofperr error,
const struct ofpbuf *payload,
const struct ofputil_port_map *port_map,
const struct ofputil_table_map *table_map)
{
ds_put_format(string, " %s\n", ofperr_get_name(error));
if (error == OFPERR_OFPHFC_INCOMPATIBLE || error == OFPERR_OFPHFC_EPERM) {
ds_put_printable(string, payload->data, payload->size);
} else {
char *s = ofp_to_string(payload->data, payload->size,
port_map, table_map, 1);
ds_put_cstr(string, s);
free(s);
}
}
void
ofputil_format_bundle_add(struct ds *s,
const struct ofputil_bundle_add_msg *badd,
const struct ofputil_port_map *port_map,
const struct ofputil_table_map *table_map,
int verbosity)
{
ds_put_char(s, '\n');
ds_put_format(s, " bundle_id=%#"PRIx32, badd->bundle_id);
ds_put_cstr(s, " flags=");
ofp_print_bit_names(s, badd->flags, bundle_flags_to_name, ' ');
ds_put_char(s, '\n');
char *msg = ofp_to_string(badd->msg, ntohs(badd->msg->length), port_map,
table_map, verbosity);
ds_put_and_free_cstr(s, msg);
}
/* Processes 'msg', which should be an OpenFlow received on 'rconn', according
* to the learning switch state in 'sw'. The most likely result of processing
* is that flow-setup and packet-out OpenFlow messages will be sent out on
* 'rconn'. */
static void
lswitch_process_packet(struct lswitch *sw, const struct ofpbuf *msg)
{
enum ofptype type;
struct ofpbuf b;
b = *msg;
if (ofptype_pull(&type, &b)) {
return;
}
if (sw->state == S_FEATURES_REPLY
&& type != OFPTYPE_ECHO_REQUEST
&& type != OFPTYPE_FEATURES_REPLY) {
return;
}
if (type == OFPTYPE_ECHO_REQUEST) {
process_echo_request(sw, msg->data);
} else if (type == OFPTYPE_FEATURES_REPLY) {
if (sw->state == S_FEATURES_REPLY) {
if (!process_switch_features(sw, msg->data)) {
sw->state = S_SWITCHING;
} else {
rconn_disconnect(sw->rconn);
}
}
} else if (type == OFPTYPE_PACKET_IN) {
process_packet_in(sw, msg->data);
} else if (type == OFPTYPE_FLOW_REMOVED) {
/* Nothing to do. */
} else if (VLOG_IS_DBG_ENABLED()) {
char *s = ofp_to_string(msg->data, msg->size, 2);
VLOG_DBG_RL(&rl, "%016llx: OpenFlow packet ignored: %s",
sw->datapath_id, s);
free(s);
}
}
