LU-5170 utils: Add support for --list-commands option

[fs/lustre-release.git] / lnet / utils / lnetctl.c

diff --git a/lnet/utils/lnetctl.c b/lnet/utils/lnetctl.c
index 5444327..56e1033 100644 (file)
--- a/lnet/utils/lnetctl.c
+++ b/lnet/utils/lnetctl.c
@@ -58,6 +58,7 @@ static int jt_set_numa(int argc, char **argv);
 static int jt_add_peer_nid(int argc, char **argv);
 static int jt_del_peer_nid(int argc, char **argv);
 /*static int jt_show_peer(int argc, char **argv);*/
+static int lnetctl_list_commands(int argc, char **argv);
 
 command_t lnet_cmds[] = {
        {"configure", jt_config_lnet, 0, "configure lnet\n"
@@ -1250,9 +1251,19 @@ command_t list[] = {
        {"help", Parser_help, 0, "help"},
        {"exit", Parser_quit, 0, "quit"},
        {"quit", Parser_quit, 0, "quit"},
+       {"--list-commands", lnetctl_list_commands, 0, "list commands"},
        { 0, 0, 0, NULL }
 };
 
+static int lnetctl_list_commands(int argc, char **argv)
+{
+       char buffer[81] = ""; /* 80 printable chars + terminating NUL */
+
+       Parser_list_commands(list, buffer, sizeof(buffer), NULL, 0, 4);
+
+       return 0;
+}
+
 int main(int argc, char **argv)
 {
        int rc = 0;