static void
queue_tx(struct lswitch *sw, struct ofpbuf *b)
{
int retval = rconn_send_with_limit(sw->rconn, b, sw->queued, 10);
if (retval && retval != ENOTCONN) {
if (retval == EAGAIN) {
VLOG_INFO_RL(&rl, "%016llx: %s: tx queue overflow",
sw->datapath_id, rconn_get_name(sw->rconn));
} else {
VLOG_WARN_RL(&rl, "%016llx: %s: send: %s",
sw->datapath_id, rconn_get_name(sw->rconn),
ovs_strerror(retval));
}
}
}
static void
lswitch_handshake(struct lswitch *sw)
{
enum ofputil_protocol protocol;
enum ofp_version version;
send_features_request(sw);
send_controller_id(sw);
version = rconn_get_version(sw->rconn);
protocol = ofputil_protocol_from_ofp_version(version);
if (sw->default_flows) {
struct ofpbuf *msg = NULL;
int error = 0;
size_t i;
if (!(protocol & sw->usable_protocols)) {
enum ofputil_protocol want = rightmost_1bit(sw->usable_protocols);
while (!error) {
msg = ofputil_encode_set_protocol(protocol, want, &protocol);
if (!msg) {
break;
}
error = rconn_send(sw->rconn, msg, NULL);
}
}
if (protocol & sw->usable_protocols) {
for (i = 0; !error && i < sw->n_default_flows; i++) {
msg = ofputil_encode_flow_mod(&sw->default_flows[i], protocol);
error = rconn_send(sw->rconn, msg, NULL);
}
if (error) {
VLOG_INFO_RL(&rl, "%s: failed to queue default flows (%s)",
rconn_get_name(sw->rconn), ovs_strerror(error));
}
} else {
VLOG_INFO_RL(&rl, "%s: failed to set usable protocol",
rconn_get_name(sw->rconn));
}
}
sw->protocol = protocol;
}
void
rconn_status_cb(struct status_reply *sr, void *rconn_)
{
struct rconn *rconn = rconn_;
time_t now = time_now();
status_reply_put(sr, "name=%s", rconn_get_name(rconn));
status_reply_put(sr, "state=%s", rconn_get_state(rconn));
status_reply_put(sr, "backoff=%d", rconn_get_backoff(rconn));
status_reply_put(sr, "is-connected=%s",
rconn_is_connected(rconn) ? "true" : "false");
status_reply_put(sr, "sent-msgs=%u", rconn_packets_sent(rconn));
status_reply_put(sr, "received-msgs=%u", rconn_packets_received(rconn));
status_reply_put(sr, "attempted-connections=%u",
rconn_get_attempted_connections(rconn));
status_reply_put(sr, "successful-connections=%u",
rconn_get_successful_connections(rconn));
status_reply_put(sr, "last-connection=%ld",
(long int) (now - rconn_get_last_connection(rconn)));
status_reply_put(sr, "time-connected=%lu",
rconn_get_total_time_connected(rconn));
status_reply_put(sr, "state-elapsed=%u", rconn_get_state_elapsed(rconn));
}
