+
+int relayd_get_configuration(struct lttcomm_relayd_sock *sock,
+ uint64_t query_flags,
+ uint64_t *result_flags)
+{
+ int ret = 0;
+ struct lttcomm_relayd_get_configuration msg = (typeof(msg)) {
+ .query_flags = htobe64(query_flags),
+ };
+ struct lttcomm_relayd_get_configuration_reply reply = {};
+
+ if (!relayd_supports_get_configuration(sock)) {
+ DBG("Refusing to get relayd configuration (unsupported by relayd)");
+ if (query_flags) {
+ ret = -1;
+ goto end;
+ }
+ *result_flags = 0;
+ goto end;
+ }
+
+ ret = send_command(sock, RELAYD_GET_CONFIGURATION, &msg, sizeof(msg),
+ 0);
+ if (ret < 0) {
+ ERR("Failed to send get configuration command to relay daemon");
+ goto end;
+ }
+
+ ret = recv_reply(sock, &reply, sizeof(reply));
+ if (ret < 0) {
+ ERR("Failed to receive relay daemon get configuration command reply");
+ goto end;
+ }
+
+ reply.generic.ret_code = be32toh(reply.generic.ret_code);
+ if (reply.generic.ret_code != LTTNG_OK) {
+ ret = -1;
+ ERR("Relayd get configuration replied error %d",
+ reply.generic.ret_code);
+ } else {
+ reply.relayd_configuration_flags =
+ be64toh(reply.relayd_configuration_flags);
+ ret = 0;
+ DBG("Relayd successfully got configuration: query_flags = %" PRIu64
+ ", results_flags = %" PRIu64, query_flags,
+ reply.relayd_configuration_flags);
+ *result_flags = reply.relayd_configuration_flags;
+ }
+end:
+ return ret;
+}