vty: add "show uptime"
Related: OS#4609
Change-Id: Ic7d9d5d3c8a9abd06a7e626aed7679f68406040c
diff --git a/src/vty/command.c b/src/vty/command.c
index de89337..67b4001 100644
--- a/src/vty/command.c
+++ b/src/vty/command.c
@@ -46,6 +46,7 @@
#include <osmocom/vty/command.h>
#include <osmocom/core/talloc.h>
+#include <osmocom/core/timer.h>
#include <osmocom/core/utils.h>
#ifndef MAXPATHLEN
@@ -63,6 +64,9 @@
void *tall_vty_cmd_ctx;
+/* Set by on_dso_load_starttime() for "show uptime". */
+static struct timespec starttime;
+
/* Command vector which includes some level of command lists. Normally
each daemon maintains each own cmdvec. */
vector cmdvec;
@@ -3037,6 +3041,23 @@
return CMD_SUCCESS;
}
+DEFUN(show_uptime,
+ show_uptime_cmd, "show uptime", SHOW_STR "Displays how long the program has been running\n")
+{
+ struct timespec now;
+ osmo_clock_gettime(CLOCK_MONOTONIC, &now);
+
+ time_t uptime = now.tv_sec - starttime.tv_sec;
+ int d = uptime / (3600 * 24);
+ int h = uptime / 3600 % 24;
+ int m = uptime / 60 % 60;
+ int s = uptime % 60;
+
+ vty_out(vty, "%s has been running for %dd %dh %dm %ds%s", host.app_info->name, d, h, m, s, VTY_NEWLINE);
+
+ return CMD_SUCCESS;
+}
+
/* Help display function for all node. */
gDEFUN(config_help,
config_help_cmd, "help", "Description of the interactive help system\n")
@@ -4346,6 +4367,7 @@
install_node(&config_node, config_write_host);
/* Each node's basic commands. */
+ install_lib_element(VIEW_NODE, &show_uptime_cmd);
install_lib_element(VIEW_NODE, &show_version_cmd);
install_lib_element(VIEW_NODE, &show_online_help_cmd);
if (terminal) {
@@ -4399,6 +4421,11 @@
srand(time(NULL));
}
+static __attribute__((constructor)) void on_dso_load_starttime(void)
+{
+ osmo_clock_gettime(CLOCK_MONOTONIC, &starttime);
+}
+
/* FIXME: execute this section in the unit test instead */
static __attribute__((constructor)) void on_dso_load(void)
{