main: add --vty-ref-mode, use vty_dump_xml_ref_mode()

Change-Id: I1a89829a29dd38fe69002c898503d76a3376a874
Depends: Ie2022a7f9e167e5ceacf15350c037dd43768ff40
Related: SYS#4910

1 files changed, 34 insertions, 11 deletions

diff --git a/src/osmo-bsc/osmo_bsc_main.c b/src/osmo-bsc/osmo_bsc_main.c
index 7eaa18ffd..aa45bf07f 100644
--- a/src/osmo-bsc/osmo_bsc_main.c
+++ b/src/osmo-bsc/osmo_bsc_main.c
@@ -96,7 +96,7 @@ static void print_usage()
 
 static void print_help()
 {
-	printf("  Some useful help...\n");
+	printf("Some useful options:\n");
 	printf("  -h --help 			This text.\n");
 	printf("  -D --daemonize 		Fork the process into a background daemon.\n");
 	printf("  -d  --debug option 		--debug=DRLL:DMM:DRR:DRSL:DNM enable debugging.\n");
@@ -108,7 +108,35 @@ static void print_help()
 	printf("  -e --log-level number		Set a global loglevel.\n");
 	printf("  -r --rf-ctl NAME		A unix domain socket to listen for cmds.\n");
 	printf("  -t --testmode			A special mode to provoke failures at the MSC.\n");
-	printf("  --vty-ref-xml			Generate the VTY reference XML output and exit.\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)
@@ -128,7 +156,8 @@ static void handle_options(int argc, char **argv)
 			{"log-level", 1, 0, 'e'},
 			{"rf-ctl", 1, 0, 'r'},
 			{"testmode", 0, 0, 't'},
-			{"vty-ref-xml", 0, &long_option, 1},
+			{"vty-ref-mode", 1, &long_option, 1},
+			{"vty-ref-xml", 0, &long_option, 2},
 			{0, 0, 0, 0}
 		};
 
@@ -143,14 +172,8 @@ static void handle_options(int argc, char **argv)
 			print_help();
 			exit(0);
 		case 0:
-			switch (long_option) {
-			case 1:
-				vty_dump_xml_ref(stdout);
-				exit(0);
-			default:
-				fprintf(stderr, "error parsing cmdline options\n");
-				exit(2);
-			}
+			handle_long_options(argv[0], long_option);
+			break;
 		case 's':
 			log_set_use_color(osmo_stderr_target, 0);
 			break;