+static void
+send_default_flows(struct lswitch *sw, struct rconn *rconn,
+ FILE *default_flows)
+{
+ char line[1024];
+
+ while (fgets(line, sizeof line, default_flows)) {
+ struct ofpbuf *b;
+ struct ofp_flow_mod *ofm;
+ uint16_t priority, idle_timeout, hard_timeout;
+ uint64_t cookie;
+ struct ofp_match match;
+
+ char *comment;
+
+ /* Delete comments. */
+ comment = strchr(line, '#');
+ if (comment) {
+ *comment = '\0';
+ }
+
+ /* Drop empty lines. */
+ if (line[strspn(line, " \t\n")] == '\0') {
+ continue;
+ }
+
+ /* Parse and send. str_to_flow() will expand and reallocate the data
+ * in 'buffer', so we can't keep pointers to across the str_to_flow()
+ * call. */
+ make_openflow(sizeof *ofm, OFPT_FLOW_MOD, &b);
+ parse_ofp_str(line, &match, b,
+ NULL, NULL, &priority, &idle_timeout, &hard_timeout,
+ &cookie);
+ ofm = b->data;
+ ofm->match = match;
+ ofm->command = htons(OFPFC_ADD);
+ ofm->cookie = htonll(cookie);
+ ofm->idle_timeout = htons(idle_timeout);
+ ofm->hard_timeout = htons(hard_timeout);
+ ofm->buffer_id = htonl(UINT32_MAX);
+ ofm->priority = htons(priority);
+
+ update_openflow_length(b);
+ queue_tx(sw, rconn, b);
+ }
+}
+