+void
+ofproto_get_ofproto_controller_info(const struct ofproto * ofproto,
+ struct shash *info)
+{
+ const struct ofconn *ofconn;
+
+ shash_init(info);
+
+ HMAP_FOR_EACH (ofconn, hmap_node, &ofproto->controllers) {
+ const struct rconn *rconn = ofconn->rconn;
+ const int last_error = rconn_get_last_error(rconn);
+ struct ofproto_controller_info *cinfo = xmalloc(sizeof *cinfo);
+
+ shash_add(info, rconn_get_target(rconn), cinfo);
+
+ cinfo->is_connected = rconn_is_connected(rconn);
+ cinfo->role = ofconn->role;
+
+ cinfo->pairs.n = 0;
+
+ if (last_error == EOF) {
+ cinfo->pairs.keys[cinfo->pairs.n] = "last_error";
+ cinfo->pairs.values[cinfo->pairs.n++] = xstrdup("End of file");
+ } else if (last_error > 0) {
+ cinfo->pairs.keys[cinfo->pairs.n] = "last_error";
+ cinfo->pairs.values[cinfo->pairs.n++] =
+ xstrdup(strerror(last_error));
+ }
+
+ cinfo->pairs.keys[cinfo->pairs.n] = "state";
+ cinfo->pairs.values[cinfo->pairs.n++] =
+ xstrdup(rconn_get_state(rconn));
+
+ cinfo->pairs.keys[cinfo->pairs.n] = "time_in_state";
+ cinfo->pairs.values[cinfo->pairs.n++] =
+ xasprintf("%u", rconn_get_state_elapsed(rconn));
+ }
+}
+
+void
+ofproto_free_ofproto_controller_info(struct shash *info)
+{
+ struct shash_node *node;
+
+ SHASH_FOR_EACH (node, info) {
+ struct ofproto_controller_info *cinfo = node->data;
+ while (cinfo->pairs.n) {
+ free((char *) cinfo->pairs.values[--cinfo->pairs.n]);
+ }
+ free(cinfo);
+ }
+ shash_destroy(info);
+}
+