From 999a776b705ce00d3bba37e77ed001f1e380ef8f Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@osmocom.org>
Date: Tue, 23 Feb 2021 15:52:25 +0100
Subject: [PATCH] main: add --vty-ref-mode, use vty_dump_xml_ref_mode()

Change-Id: I893fc869d5900eff8395bfded0c2fa3883c5a1e7
Depends: Ie2022a7f9e167e5ceacf15350c037dd43768ff40
Related: SYS#5359
---
 src/sgsn/sgsn_main.c | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/src/sgsn/sgsn_main.c b/src/sgsn/sgsn_main.c
index c3a6061f9..6c57071a2 100644
--- a/src/sgsn/sgsn_main.c
+++ b/src/sgsn/sgsn_main.c
@@ -183,12 +183,43 @@ static void print_help(void)
 	printf("  -s --disable-color\n");
 	printf("  -c --config-file\tThe config file to use [%s]\n", CONFIG_FILE_DEFAULT);
 	printf("  -e --log-level number\tSet a global log level\n");
+
+	printf("\nVTY reference generation:\n");
+	printf("     --vty-ref-mode MODE        VTY reference generation mode (e.g. 'expert').\n");
+	printf("     --vty-ref-xml              Generate the VTY reference XML output and exit.\n");
 }
 
+static void handle_long_options(const char *prog_name, const int long_option)
+{
+	static int vty_ref_mode = VTY_REF_GEN_MODE_DEFAULT;
+
+	switch (long_option) {
+	case 1:
+		vty_ref_mode = get_string_value(vty_ref_gen_mode_names, optarg);
+		if (vty_ref_mode < 0) {
+			fprintf(stderr, "%s: Unknown VTY reference generation "
+				"mode '%s'\n", prog_name, optarg);
+			exit(2);
+		}
+		break;
+	case 2:
+		fprintf(stderr, "Generating the VTY reference in mode '%s' (%s)\n",
+			get_value_string(vty_ref_gen_mode_names, vty_ref_mode),
+			get_value_string(vty_ref_gen_mode_desc, vty_ref_mode));
+		vty_dump_xml_ref_mode(stdout, (enum vty_ref_gen_mode) vty_ref_mode);
+		exit(0);
+	default:
+		fprintf(stderr, "%s: error parsing cmdline options\n", prog_name);
+		exit(2);
+	}
+}
+
+
 static void handle_options(int argc, char **argv)
 {
 	while (1) {
 		int option_index = 0, c;
+		static int long_option = 0;
 		static struct option long_options[] = {
 			{"help", 0, 0, 'h'},
 			{"debug", 1, 0, 'd'},
@@ -198,6 +229,8 @@ static void handle_options(int argc, char **argv)
 			{"timestamp", 0, 0, 'T'},
 			{ "version", 0, 0, 'V' },
 			{"log-level", 1, 0, 'e'},
+			{"vty-ref-mode", 1, &long_option, 1},
+			{"vty-ref-xml", 0, &long_option, 2},
 			{NULL, 0, 0, 0}
 		};
 
@@ -207,6 +240,9 @@ static void handle_options(int argc, char **argv)
 			break;
 
 		switch (c) {
+		case 0:
+			handle_long_options(argv[0], long_option);
+			break;
 		case 'h':
 			//print_usage();
 			print_help();