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authorPaul Vinciguerra <pvinci@vinciconsulting.com>2019-10-26 22:25:49 -0400
committerAndrew Yourtchenko <ayourtch@gmail.com>2019-11-27 17:00:12 +0000
commitbfd7d294d06e22f7bf809e8ac26220ebf51db683 (patch)
tree25d5796ce49f9047cee821d8b98307b909979815 /src/vlib
parent1a7ed5e3e62dfe77832022a46ee32d744a347ac5 (diff)
vlib: add 'wait' cli command
When running exec scripts, there can be a need to wait between statements. Type: feature Change-Id: I2a45b390697e09fc222358c9354f28e3368a06ba Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
Diffstat (limited to 'src/vlib')
-rw-r--r--src/vlib/unix/cli.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/src/vlib/unix/cli.c b/src/vlib/unix/cli.c
index 729180994a5..0a8041e4ac4 100644
--- a/src/vlib/unix/cli.c
+++ b/src/vlib/unix/cli.c
@@ -3847,6 +3847,46 @@ VLIB_CLI_COMMAND (cli_unix_cli_set_terminal_ansi, static) = {
};
/* *INDENT-ON* */
+
+#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 *
unix_cli_init (vlib_main_t * vm)
{