collectdctl: Added ‘listval’ command.

diff --git a/src/collectdctl.c b/src/collectdctl.c
index 6e53ddc12a7585f9c9ca4ce28ed36cd9b5176a7c..85ad198dc63435ff87a6885795063c1a638a1208 100644 (file)
--- a/src/collectdctl.c
+++ b/src/collectdctl.c
@@ -58,6 +58,7 @@ static void exit_usage (const char *name, int status) {
 
       " * getval <identifier>\n"
       " * flush [timeout=<seconds>] [plugin=<name>] [identifier=<id>]\n"
+      " * listval\n"
 
       "\nIdentifiers:\n\n"
 
@@ -245,8 +246,52 @@ static int flush (lcc_connection_t *c, int argc, char **argv)
   }
 
   return 0;
+#undef BAIL_OUT
 } /* flush */
 
+static int listval (lcc_connection_t *c, int argc, char **argv)
+{
+  lcc_identifier_t *ret_ident     = NULL;
+  size_t            ret_ident_num = 0;
+
+  int status;
+  size_t i;
+
+  assert (strcasecmp (argv[0], "listval") == 0);
+
+  if (argc != 1) {
+    fprintf (stderr, "ERROR: listval: Does not accept any arguments.\n");
+    return (-1);
+  }
+
+#define BAIL_OUT(s) \
+  do { \
+    if (ret_ident != NULL) \
+      free (ret_ident); \
+    ret_ident_num = 0; \
+    return (s); \
+  } while (0)
+
+  status = lcc_listval (c, &ret_ident, &ret_ident_num);
+  if (status != 0)
+    BAIL_OUT (status);
+
+  for (i = 0; i < ret_ident_num; ++i) {
+    char id[1024];
+
+    status = lcc_identifier_to_string (c, id, sizeof (id), ret_ident + i);
+    if (status != 0) {
+      fprintf (stderr, "ERROR: listval: Failed to convert returned "
+          "identifier to a string.\n");
+      continue;
+    }
+
+    printf ("%s\n", id);
+  }
+  BAIL_OUT (0);
+#undef BAIL_OUT
+} /* listval */
+
 int main (int argc, char **argv) {
   char address[1024] = "unix:"DEFAULT_SOCK;
 
@@ -292,6 +337,8 @@ int main (int argc, char **argv) {
     status = getval (c, argc - optind, argv + optind);
   else if (strcasecmp (argv[optind], "flush") == 0)
     status = flush (c, argc - optind, argv + optind);
+  else if (strcasecmp (argv[optind], "listval") == 0)
+    status = listval (c, argc - optind, argv + optind);
   else {
     fprintf (stderr, "%s: invalid command: %s\n", argv[0], argv[optind]);
     return (1);