+
+#define MAX_CLI_WAIT 86400
+/** CLI command to wait <sec> seconds. Useful for exec script. */
+static clib_error_t *
+unix_wait_cmd (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ f64 sec = 1.0;
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "%f", &sec))
+ ;
+ else
+ return clib_error_return (0, "unknown parameter: `%U`",
+ format_unformat_error, input);
+ }
+
+ if (sec <= 0 || sec > MAX_CLI_WAIT || floor (sec * 1000) / 1000 != sec)
+ return clib_error_return (0,
+ "<sec> must be a positive value and less than 86400 (one day) with no more than msec precision.");
+
+ vlib_process_wait_for_event_or_clock (vm, sec);
+ vlib_cli_output (vm, "waited %.3f sec.", sec);
+
+ unformat_free (line_input);
+ return 0;
+}
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (cli_unix_wait_cmd, static) = {
+ .path = "wait",
+ .short_help = "wait <sec>",
+ .function = unix_wait_cmd,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+echo_cmd (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ {
+ vlib_cli_output (vm, "");
+ return 0;
+ }
+
+ vlib_cli_output (vm, "%v", line_input->buffer);
+
+ unformat_free (line_input);
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (cli_unix_echo_cmd, static) = {
+ .path = "echo",
+ .short_help = "echo <rest-of-line>",
+ .function = echo_cmd,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+define_cmd_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ u8 *macro_name;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_macro_main_t *mm = get_macro_main ();
+ clib_error_t *error;
+
+ if (!unformat (input, "%s", ¯o_name))
+ return clib_error_return (0, "missing variable name...");
+
+ /* Remove white space */
+ (void) unformat (input, "");
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ {
+ error = clib_error_return (0, "missing value for '%s'...", macro_name);
+ vec_free (macro_name);
+ return error;
+ }
+ /* the macro expander expects c-strings, not vectors... */
+ vec_add1 (line_input->buffer, 0);
+ clib_macro_set_value (mm, (char *) macro_name, (char *) line_input->buffer);
+ vec_free (macro_name);
+ unformat_free (line_input);
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (define_cmd, static) = {
+ .path = "define",
+ .short_help = "define <variable-name> <value>",
+ .function = define_cmd_fn,
+};
+
+/* *INDENT-ON* */
+
+static clib_error_t *
+undefine_cmd_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ u8 *macro_name;
+ clib_macro_main_t *mm = get_macro_main ();
+
+ if (!unformat (input, "%s", ¯o_name))
+ return clib_error_return (0, "missing variable name...");
+
+ if (clib_macro_unset (mm, (char *) macro_name))
+ vlib_cli_output (vm, "%s wasn't set...", macro_name);
+
+ vec_free (macro_name);
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (undefine_cmd, static) = {
+ .path = "undefine",
+ .short_help = "undefine <variable-name>",
+ .function = undefine_cmd_fn,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+show_macro_cmd_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ clib_macro_main_t *mm = get_macro_main ();
+ int evaluate = 1;
+
+ if (unformat (input, "noevaluate %=", &evaluate, 0))
+ ;
+ else if (unformat (input, "noeval %=", &evaluate, 0))
+ ;
+
+ vlib_cli_output (vm, "%U", format_clib_macro_main, mm, evaluate);
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_macro, static) = {
+ .path = "show macro",
+ .short_help = "show macro [noevaluate]",
+ .function = show_macro_cmd_fn,
+};
+/* *INDENT-ON* */
+