Add 'whenjobs --whisper' which lets you set variables "quietly".

[whenjobs.git] / tools / whenjobs.ml

diff --git a/tools/whenjobs.ml b/tools/whenjobs.ml
index f77e825..1334aec 100644 (file)
--- a/tools/whenjobs.ml
+++ b/tools/whenjobs.ml
@@ -116,12 +116,13 @@ let rec main () =
     "--variables", Arg.Unit (set_mode `Variables), " Display all variables and values";
     "-V", Arg.Unit display_version, " Display version number and exit";
     "--version", Arg.Unit display_version, " Display version number and exit";
+    "--whisper", Arg.Unit (set_mode `Whisper), " Set the variable, quietly";
   ] in
 
   (* anon_fun normally just collects up the anonymous arguments as
    * strings, and most modes just use 'args' as a list of strings.
-   * However for `Set and `Test modes we need to record the type of
-   * each argument as well, so we keep that in a separate list
+   * However for `Set, `Test and `Whisper modes we need to record the
+   * type of each argument as well, so we keep that in a separate list
    * (argtypes).
    *)
   let argtypes = ref [] in
@@ -195,6 +196,10 @@ Options:
     if nr_args > 0 then
       test_variables argtypes
 
+  | Some `Whisper ->
+    if nr_args > 0 then
+      whisper_variables argtypes
+
   | Some `Get ->
     if nr_args != 1 then (
       eprintf "whenjobs --get variable\n";
@@ -374,7 +379,7 @@ and test_variables argtypes =
       let i =
         try String.index def '='
         with Not_found ->
-          eprintf "whenjobs: set: missing = sign in variable definition\n";
+          eprintf "whenjobs: test: missing = sign in variable definition\n";
           suggest_help ();
           exit 1 in
       let name = String.sub def 0 i in
@@ -390,6 +395,35 @@ and test_variables argtypes =
 
   Array.iter print_endline jobnames
 
+and whisper_variables argtypes =
+  let vars = List.map (
+    fun (def, typ) ->
+      (* 'def' should have the form "name=value".  The value part may
+       * be missing, but the equals sign is required.
+       *)
+      let i =
+        try String.index def '='
+        with Not_found ->
+          eprintf "whenjobs: whisper: missing = sign in variable definition\n";
+          suggest_help ();
+          exit 1 in
+      let name = String.sub def 0 i in
+      let value = String.sub def (i+1) (String.length def - (i+1)) in
+      let value = value_of_string value typ in
+      { Whenproto_aux.sv_name = name; sv_value = value }
+  ) argtypes in
+  let vars = Array.of_list vars in
+
+  let client = start_client () in
+  (match Whenproto_clnt.When.V1.whisper_variables client vars with
+  | `ok -> ()
+  | `error msg ->
+    eprintf "whenjobs: whisper: %s\n" msg;
+    suggest_check_server_logs ();
+    exit 1
+  );
+  stop_client client
+
 and get_variable name =
   let client = start_client () in
   let value = Whenproto_clnt.When.V1.get_variable client name in