example: add common FP command line option parser

Signed-off-by: Patrick McHardy <kaber@trash.net>

example/Makefile.in

@@ -9,6 +9,7 @@ PROGRAMS	+= pp-wait-page
 destdir		:= usr/share/dect/examples
 
 common-obj	+= common.o event_ops.o keys.o dummy_ops.o debug.o
+fp-common-obj	+= $(common-obj) fp-common.o
 pp-common-obj	+= $(common-obj) pp-common.o pp-auth.o
 
 ss-destdir	:= $(destdir)
@@ -16,21 +17,21 @@ ss-obj		+= $(common-obj)
 ss-obj		+= ss.o
 
 fp-mm-destdir			:= $(destdir)
-fp-mm-obj			+= $(common-obj)
+fp-mm-obj			+= $(fp-common-obj)
 fp-mm-obj			+= fp-mm.o
 
 fp-cc-destdir			:= $(destdir)
-fp-cc-obj			+= $(common-obj)
+fp-cc-obj			+= $(fp-common-obj)
 fp-cc-obj			+= audio.o
 fp-cc-obj			+= fp-cc.o
 fp-cc-ldflags			+= -lSDL
 
 fp-clms-destdir			:= $(destdir)
-fp-clms-obj			+= $(common-obj)
+fp-clms-obj			+= $(fp-common-obj)
 fp-clms-obj			+= fp-clms.o
 
 fp-broadcast-page-destdir	:= $(destdir)
-fp-broadcast-page-obj		+= $(common-obj)
+fp-broadcast-page-obj		+= $(fp-common-obj)
 fp-broadcast-page-obj		+= fp-broadcast-page.o
 
 pp-access-rights-destdir	:= $(destdir)

example/common.h

@@ -26,6 +26,8 @@ extern int dect_write_uak(const struct dect_ipui *ipui,
 extern int dect_read_uak(const struct dect_ipui *ipui,
 			 uint8_t uak[DECT_AUTH_KEY_LEN]);
 
+extern void dect_fp_common_options(int argc, char **argv);
+
 extern void dect_pp_auth_init(struct dect_ops *ops,
 			      const struct dect_ipui *ipui);
 extern void dect_pp_common_init(struct dect_ops *ops, const char *cluster,

example/fp-broadcast-page.c

@@ -9,7 +9,8 @@ static struct dect_ops ops;
 
 int main(int argc, char **argv)
 {
-	dect_common_init(&ops, argv[1]);
+	dect_fp_common_options(argc, argv);
+	dect_common_init(&ops, cluster);
 
 	dect_lce_group_ring_req(dh, 0);
 	dect_event_loop();

example/fp-cc.c

@@ -216,7 +216,8 @@ static struct dect_ops ops = {
 
 int main(int argc, char **argv)
 {
-	dect_common_init(&ops, argv[1]);
+	dect_fp_common_options(argc, argv);
+	dect_common_init(&ops, cluster);
 
 	dect_open_call(dh, &ipui);
 

example/fp-clms.c

@@ -38,7 +38,8 @@ static struct dect_ops ops;
 
 int main(int argc, char **argv)
 {
-	dect_common_init(&ops, argv[1]);
+	dect_fp_common_options(argc, argv);
+	dect_common_init(&ops, cluster);
 
 	dect_invoke_clms(dh);
 

example/fp-common.c

@@ -0,0 +1,50 @@
+/*
+ * DECT PP common functions
+ *
+ * Copyright (c) 2010 Patrick McHardy <kaber@trash.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <getopt.h>
+#include "common.h"
+
+enum {
+	OPT_CLUSTER,
+	OPT_HELP,
+};
+
+static const struct option options[] = {
+	{ .name = "cluster",	.has_arg = true,  .flag = NULL, .val = OPT_CLUSTER },
+	{ .name = "help",	.has_arg = false, .flag = NULL, .val = OPT_HELP },
+
+	{ },
+};
+
+void dect_fp_common_options(int argc, char **argv)
+{
+	int optidx = 0, c;
+
+	for (;;) {
+		c = getopt_long(argc, argv, "c:h", options, &optidx);
+		if (c == -1)
+			break;
+
+		switch (c) {
+		case OPT_CLUSTER:
+			cluster = optarg;
+			break;
+		case OPT_HELP:
+			printf("%s: [ -c/--cluster NAME ] [ -h/--help ]\n",
+			       argv[0]);
+			exit(0);
+		case '?':
+			exit(1);
+		}
+	}
+}

example/fp-mm.c

@@ -219,7 +219,8 @@ int main(int argc, char **argv)
 	if (rand_fd < 0)
 		pexit("open /dev/urandom");
 
-	dect_common_init(&ops, argv[1]);
+	dect_fp_common_options(argc, argv);
+	dect_common_init(&ops, cluster);
 
 	dect_event_loop();