logging vty: add 'logging level set-all <level>'

Add new command to once-off set each and every category to the given log level,
as discussed at length on the openbsc@ mailing list.

Show that it works in logging_vty_test.vty.

Change-Id: I4c3e4f786476cb813fdc0a7c64f30ee04758309d

2 files changed, 185 insertions, 0 deletions

diff --git a/src/vty/logging_vty.c b/src/vty/logging_vty.c
index 3b1d8c65..b2637a5f 100644
--- a/src/vty/logging_vty.c
+++ b/src/vty/logging_vty.c
@@ -354,6 +354,28 @@ DEFUN(logging_level,
 	return CMD_SUCCESS;
 }
 
+DEFUN(logging_level_set_all, logging_level_set_all_cmd,
+      "logging level set-all " LOG_LEVEL_ARGS,
+      LOGGING_STR LEVEL_STR
+      "Once-off set all categories to the given log level. There is no single command"
+      " to take back these changes -- each category is set to the given level, period.\n"
+      LOG_LEVEL_STRS)
+{
+	struct log_target *tgt = osmo_log_vty2tgt(vty);
+	int level = log_parse_level(argv[0]);
+	int i;
+	for (i = 0; i < osmo_log_info->num_cat; i++) {
+		struct log_category *cat = &tgt->categories[i];
+		/* skip empty entries in the array */
+		if (!osmo_log_info->cat[i].name)
+			continue;
+
+		cat->enabled = 1;
+		cat->loglevel = level;
+	}
+	return CMD_SUCCESS;
+}
+
 /* logging level (<categories>) everything */
 DEFUN_DEPRECATED(deprecated_logging_level_everything, deprecated_logging_level_everything_cmd,
 		 NULL, /* cmdstr is dynamically set in logging_vty_add_cmds(). */
@@ -983,6 +1005,7 @@ void logging_vty_add_cmds()
 				   "everything", EVERYTHING_STR);
 
 	install_element_ve(&logging_level_cmd);
+	install_element_ve(&logging_level_set_all_cmd);
 	install_element_ve(&logging_level_force_all_cmd);
 	install_element_ve(&no_logging_level_force_all_cmd);
 	install_element_ve(&deprecated_logging_level_everything_cmd);
@@ -1001,6 +1024,7 @@ void logging_vty_add_cmds()
 	install_element(CFG_LOG_NODE, &logging_prnt_level_cmd);
 	install_element(CFG_LOG_NODE, &logging_prnt_file_cmd);
 	install_element(CFG_LOG_NODE, &logging_level_cmd);
+	install_element(CFG_LOG_NODE, &logging_level_set_all_cmd);
 	install_element(CFG_LOG_NODE, &logging_level_force_all_cmd);
 	install_element(CFG_LOG_NODE, &no_logging_level_force_all_cmd);
 	install_element(CFG_LOG_NODE, &deprecated_logging_level_everything_cmd);
diff --git a/tests/logging/logging_vty_test.vty b/tests/logging/logging_vty_test.vty
index 03b0c4ae..0c552a58 100644
--- a/tests/logging/logging_vty_test.vty
+++ b/tests/logging/logging_vty_test.vty
@@ -51,6 +51,7 @@ logging_vty_test# list
   logging print file (0|1|basename) [last]
   logging set-log-mask MASK
   logging level (aa|bb|ccc|dddd|eee|lglobal|llapd|linp|lmux|lmi|lmib|lsms|lctrl|lgtp|lstats|lgsup|loap|lss7|lsccp|lsua|lm3ua|lmgcp|ljibuf) (debug|info|notice|error|fatal)
+  logging level set-all (debug|info|notice|error|fatal)
   logging level force-all (debug|info|notice|error|fatal)
   no logging level force-all
 ... !^  logging
@@ -74,6 +75,7 @@ logging_vty_test# logging level ?
   eee        Exhaustive Entropy Extraction (EEE)
   lglobal    Library-internal global log family
 ... ! all
+  set-all    Once-off set all categories to the given log level. There is no single command to take back these changes -- each category is set to the given level, period.
   force-all  Globally force all logging categories to a specific level. This is released by the 'no logging level force-all' command. Note: any 'logging level <category> <level>' commands will have no visible effect after this, until the forced level is released.
 
 logging_vty_test# logging level aa ?
@@ -96,6 +98,13 @@ logging_vty_test# logging level force-all ?
 logging_vty_test# no logging level ?
   force-all  Release any globally forced log level set with 'logging level force-all <level>'
 
+logging_vty_test# logging level set-all ?
+  debug   Log debug messages and higher levels
+  info    Log informational messages and higher levels
+  notice  Log noticeable messages and higher levels
+  error   Log error messages and higher levels
+  fatal   Log only fatal messages
+
 
 logging_vty_test# log-sweep
 DAA DEBUG Log message for DAA on level LOGL_DEBUG
@@ -304,3 +313,155 @@ DCCC FATAL Log message for DCCC on level LOGL_FATAL
 DDDDD ERROR Log message for DDDDD on level LOGL_ERROR
 DDDDD FATAL Log message for DDDDD on level LOGL_FATAL
 DEEE FATAL Log message for DEEE on level LOGL_FATAL
+
+
+logging_vty_test# ! test 'set-all'
+logging_vty_test# logging level set-all fatal
+logging_vty_test# log-sweep
+DAA FATAL Log message for DAA on level LOGL_FATAL
+DBB FATAL Log message for DBB on level LOGL_FATAL
+DCCC FATAL Log message for DCCC on level LOGL_FATAL
+DDDDD FATAL Log message for DDDDD on level LOGL_FATAL
+DEEE FATAL Log message for DEEE on level LOGL_FATAL
+
+logging_vty_test# logging level set-all error
+logging_vty_test# log-sweep
+DAA ERROR Log message for DAA on level LOGL_ERROR
+DAA FATAL Log message for DAA on level LOGL_FATAL
+DBB ERROR Log message for DBB on level LOGL_ERROR
+DBB FATAL Log message for DBB on level LOGL_FATAL
+DCCC ERROR Log message for DCCC on level LOGL_ERROR
+DCCC FATAL Log message for DCCC on level LOGL_FATAL
+DDDDD ERROR Log message for DDDDD on level LOGL_ERROR
+DDDDD FATAL Log message for DDDDD on level LOGL_FATAL
+DEEE ERROR Log message for DEEE on level LOGL_ERROR
+DEEE FATAL Log message for DEEE on level LOGL_FATAL
+
+logging_vty_test# logging level set-all notice
+logging_vty_test# log-sweep
+DAA NOTICE Log message for DAA on level LOGL_NOTICE
+DAA ERROR Log message for DAA on level LOGL_ERROR
+DAA FATAL Log message for DAA on level LOGL_FATAL
+DBB NOTICE Log message for DBB on level LOGL_NOTICE
+DBB ERROR Log message for DBB on level LOGL_ERROR
+DBB FATAL Log message for DBB on level LOGL_FATAL
+DCCC NOTICE Log message for DCCC on level LOGL_NOTICE
+DCCC ERROR Log message for DCCC on level LOGL_ERROR
+DCCC FATAL Log message for DCCC on level LOGL_FATAL
+DDDDD NOTICE Log message for DDDDD on level LOGL_NOTICE
+DDDDD ERROR Log message for DDDDD on level LOGL_ERROR
+DDDDD FATAL Log message for DDDDD on level LOGL_FATAL
+DEEE NOTICE Log message for DEEE on level LOGL_NOTICE
+DEEE ERROR Log message for DEEE on level LOGL_ERROR
+DEEE FATAL Log message for DEEE on level LOGL_FATAL
+
+logging_vty_test# logging level set-all info
+logging_vty_test# log-sweep
+DAA INFO Log message for DAA on level LOGL_INFO
+DAA NOTICE Log message for DAA on level LOGL_NOTICE
+DAA ERROR Log message for DAA on level LOGL_ERROR
+DAA FATAL Log message for DAA on level LOGL_FATAL
+DBB INFO Log message for DBB on level LOGL_INFO
+DBB NOTICE Log message for DBB on level LOGL_NOTICE
+DBB ERROR Log message for DBB on level LOGL_ERROR
+DBB FATAL Log message for DBB on level LOGL_FATAL
+DCCC INFO Log message for DCCC on level LOGL_INFO
+DCCC NOTICE Log message for DCCC on level LOGL_NOTICE
+DCCC ERROR Log message for DCCC on level LOGL_ERROR
+DCCC FATAL Log message for DCCC on level LOGL_FATAL
+DDDDD INFO Log message for DDDDD on level LOGL_INFO
+DDDDD NOTICE Log message for DDDDD on level LOGL_NOTICE
+DDDDD ERROR Log message for DDDDD on level LOGL_ERROR
+DDDDD FATAL Log message for DDDDD on level LOGL_FATAL
+DEEE INFO Log message for DEEE on level LOGL_INFO
+DEEE NOTICE Log message for DEEE on level LOGL_NOTICE
+DEEE ERROR Log message for DEEE on level LOGL_ERROR
+DEEE FATAL Log message for DEEE on level LOGL_FATAL
+
+logging_vty_test# logging level set-all debug
+logging_vty_test# log-sweep
+DAA DEBUG Log message for DAA on level LOGL_DEBUG
+DAA INFO Log message for DAA on level LOGL_INFO
+DAA NOTICE Log message for DAA on level LOGL_NOTICE
+DAA ERROR Log message for DAA on level LOGL_ERROR
+DAA FATAL Log message for DAA on level LOGL_FATAL
+DBB DEBUG Log message for DBB on level LOGL_DEBUG
+DBB INFO Log message for DBB on level LOGL_INFO
+DBB NOTICE Log message for DBB on level LOGL_NOTICE
+DBB ERROR Log message for DBB on level LOGL_ERROR
+DBB FATAL Log message for DBB on level LOGL_FATAL
+DCCC DEBUG Log message for DCCC on level LOGL_DEBUG
+DCCC INFO Log message for DCCC on level LOGL_INFO
+DCCC NOTICE Log message for DCCC on level LOGL_NOTICE
+DCCC ERROR Log message for DCCC on level LOGL_ERROR
+DCCC FATAL Log message for DCCC on level LOGL_FATAL
+DDDDD DEBUG Log message for DDDDD on level LOGL_DEBUG
+DDDDD INFO Log message for DDDDD on level LOGL_INFO
+DDDDD NOTICE Log message for DDDDD on level LOGL_NOTICE
+DDDDD ERROR Log message for DDDDD on level LOGL_ERROR
+DDDDD FATAL Log message for DDDDD on level LOGL_FATAL
+DEEE DEBUG Log message for DEEE on level LOGL_DEBUG
+DEEE INFO Log message for DEEE on level LOGL_INFO
+DEEE NOTICE Log message for DEEE on level LOGL_NOTICE
+DEEE ERROR Log message for DEEE on level LOGL_ERROR
+DEEE FATAL Log message for DEEE on level LOGL_FATAL
+
+logging_vty_test# logging level set-all fatal
+logging_vty_test# log-sweep
+DAA FATAL Log message for DAA on level LOGL_FATAL
+DBB FATAL Log message for DBB on level LOGL_FATAL
+DCCC FATAL Log message for DCCC on level LOGL_FATAL
+DDDDD FATAL Log message for DDDDD on level LOGL_FATAL
+DEEE FATAL Log message for DEEE on level LOGL_FATAL
+
+logging_vty_test# logging level dddd error
+logging_vty_test# log-sweep
+DAA FATAL Log message for DAA on level LOGL_FATAL
+DBB FATAL Log message for DBB on level LOGL_FATAL
+DCCC FATAL Log message for DCCC on level LOGL_FATAL
+DDDDD ERROR Log message for DDDDD on level LOGL_ERROR
+DDDDD FATAL Log message for DDDDD on level LOGL_FATAL
+DEEE FATAL Log message for DEEE on level LOGL_FATAL
+
+logging_vty_test# logging level ccc notice
+logging_vty_test# log-sweep
+DAA FATAL Log message for DAA on level LOGL_FATAL
+DBB FATAL Log message for DBB on level LOGL_FATAL
+DCCC NOTICE Log message for DCCC on level LOGL_NOTICE
+DCCC ERROR Log message for DCCC on level LOGL_ERROR
+DCCC FATAL Log message for DCCC on level LOGL_FATAL
+DDDDD ERROR Log message for DDDDD on level LOGL_ERROR
+DDDDD FATAL Log message for DDDDD on level LOGL_FATAL
+DEEE FATAL Log message for DEEE on level LOGL_FATAL
+
+logging_vty_test# logging level bb info
+logging_vty_test# log-sweep
+DAA FATAL Log message for DAA on level LOGL_FATAL
+DBB INFO Log message for DBB on level LOGL_INFO
+DBB NOTICE Log message for DBB on level LOGL_NOTICE
+DBB ERROR Log message for DBB on level LOGL_ERROR
+DBB FATAL Log message for DBB on level LOGL_FATAL
+DCCC NOTICE Log message for DCCC on level LOGL_NOTICE
+DCCC ERROR Log message for DCCC on level LOGL_ERROR
+DCCC FATAL Log message for DCCC on level LOGL_FATAL
+DDDDD ERROR Log message for DDDDD on level LOGL_ERROR
+DDDDD FATAL Log message for DDDDD on level LOGL_FATAL
+DEEE FATAL Log message for DEEE on level LOGL_FATAL
+
+logging_vty_test# logging level aa debug
+logging_vty_test# log-sweep
+DAA DEBUG Log message for DAA on level LOGL_DEBUG
+DAA INFO Log message for DAA on level LOGL_INFO
+DAA NOTICE Log message for DAA on level LOGL_NOTICE
+DAA ERROR Log message for DAA on level LOGL_ERROR
+DAA FATAL Log message for DAA on level LOGL_FATAL
+DBB INFO Log message for DBB on level LOGL_INFO
+DBB NOTICE Log message for DBB on level LOGL_NOTICE
+DBB ERROR Log message for DBB on level LOGL_ERROR
+DBB FATAL Log message for DBB on level LOGL_FATAL
+DCCC NOTICE Log message for DCCC on level LOGL_NOTICE
+DCCC ERROR Log message for DCCC on level LOGL_ERROR
+DCCC FATAL Log message for DCCC on level LOGL_FATAL
+DDDDD ERROR Log message for DDDDD on level LOGL_ERROR
+DDDDD FATAL Log message for DDDDD on level LOGL_FATAL
+DEEE FATAL Log message for DEEE on level LOGL_FATAL