Change in libosmocore[master]: vty/command: assign flags to CMD_ATTR_{IMMEDIATE, NODE_EXIT}

[Vadim Yanitskiy]

Vadim Yanitskiy has uploaded this change for review. ( https://gerrit.osmocom.org/c/libosmocore/+/20471 )


Change subject: vty/command: assign flags to CMD_ATTR_{IMMEDIATE,NODE_EXIT}
......................................................................

vty/command: assign flags to CMD_ATTR_{IMMEDIATE,NODE_EXIT}

Change-Id: I77c1ef7ca4c667c769cc53c7ac65c3be5c7e1c86
Related: SYS#4937
---
M src/vty/command.c
M tests/vty/vty_transcript_test.vty
2 files changed, 45 insertions(+), 15 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/71/20471/1

diff --git a/src/vty/command.c b/src/vty/command.c
index 60fb620..d0ac780 100644
--- a/src/vty/command.c
+++ b/src/vty/command.c
@@ -631,6 +631,19 @@
 	{ 0, NULL }
 };
 
+/* Get a flag character for a global VTY command attribute */
+static char cmd_attr_get_flag(unsigned int attr)
+{
+	switch (attr) {
+	case CMD_ATTR_IMMEDIATE:
+		return '!';
+	case CMD_ATTR_NODE_EXIT:
+		return '@';
+	default:
+		return '.';
+	}
+}
+
 /* Description of attributes shared between the lib commands */
 static const char * const cmd_lib_attr_desc[32] = {
 	/* [OSMO_LIBNAME_LIB_ATTR_ATTRNAME] = \
@@ -662,14 +675,20 @@
 
 		for (i = 0; i < ARRAY_SIZE(cmd_attr_desc) - 1; i++) {
 			char *xml_att_desc;
+			char flag;
 
 			if (~cmd->attr & cmd_attr_desc[i].value)
 				continue;
 
 			xml_att_desc = xml_escape(cmd_attr_desc[i].str);
-			print_func(data, "        <attribute doc='%s' />%s",
+			print_func(data, "        <attribute doc='%s'",
 				   xml_att_desc, newline);
 			talloc_free(xml_att_desc);
+
+			flag = cmd_attr_get_flag(cmd_attr_desc[i].value);
+			if (flag != '.')
+				print_func(data, " flag='%c'", flag);
+			print_func(data, " />%s", newline);
 		}
 
 		print_func(data, "      </attributes>%s", newline);
@@ -2965,9 +2984,12 @@
 		vty_out(vty, "  Global attributes:%s", VTY_NEWLINE);
 
 		for (i = 0; i < ARRAY_SIZE(cmd_attr_desc) - 1; i++) {
+			flag = cmd_attr_get_flag(cmd_attr_desc[i].value);
 			desc = cmd_attr_desc[i].str;
-			flag = '.'; /* FIXME: no flags defined */
-			vty_out(vty, "    %c  %s%s", flag, desc, VTY_NEWLINE);
+
+			/* Skip attributes without flags */
+			if (flag != '.')
+				vty_out(vty, "    %c  %s%s", flag, desc, VTY_NEWLINE);
 		}
 	}
 
@@ -3076,11 +3098,21 @@
 static const char *cmd_flag_mask(const struct cmd_element *cmd,
 				 unsigned int flag_mask)
 {
-	static char char_mask[VTY_CMD_USR_ATTR_NUM + 1];
+	static char char_mask[VTY_CMD_USR_ATTR_NUM + 2 + 1];
 	char *ptr = &char_mask[0];
 	char flag_letter;
 	unsigned int f;
 
+	/* Mutually exclusive global attributes */
+	if (cmd->attr & CMD_ATTR_IMMEDIATE)
+		*(ptr++) = cmd_attr_get_flag(CMD_ATTR_IMMEDIATE);
+	else if (cmd->attr & CMD_ATTR_NODE_EXIT)
+		*(ptr++) = cmd_attr_get_flag(CMD_ATTR_NODE_EXIT);
+	else
+		*(ptr++) = '.';
+
+	*(ptr++) = ' ';
+
 	for (f = 0; f < VTY_CMD_USR_ATTR_NUM; f++) {
 		if (~flag_mask & (1 << f))
 			continue;
diff --git a/tests/vty/vty_transcript_test.vty b/tests/vty/vty_transcript_test.vty
index 28edf29..b626f3d 100644
--- a/tests/vty/vty_transcript_test.vty
+++ b/tests/vty/vty_transcript_test.vty
@@ -87,10 +87,8 @@
 
 vty_transcript_test> show vty-attributes
   Global attributes:
-    .  This command is deprecated
-    .  This command is hidden
-    .  This command applies immediately
-    .  This command applies on VTY node exit
+    !  This command applies immediately
+    @  This command applies on VTY node exit
   Library specific attributes:
     A  This command applies on ASP restart
   Application specific attributes:
@@ -115,10 +113,10 @@
 
 vty_transcript_test(config-attr-test)# list with-flags
 ...
-  ...  foo-immediate
-  ...  foo-node-exit
-  u..  app-unbelievable
-  .m.  app-magnificent
-  ..w  app-wonderful
-  um.  app-unbelievable-magnificent
-  u.w  app-unbelievable-wonderful
+  ! ...  foo-immediate
+  @ ...  foo-node-exit
+  . u..  app-unbelievable
+  . .m.  app-magnificent
+  . ..w  app-wonderful
+  . um.  app-unbelievable-magnificent
+  . u.w  app-unbelievable-wonderful

-- 
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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: I77c1ef7ca4c667c769cc53c7ac65c3be5c7e1c86
Gerrit-Change-Number: 20471
Gerrit-PatchSet: 1
Gerrit-Owner: Vadim Yanitskiy <vyanitskiy at sysmocom.de>
Gerrit-MessageType: newchange
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