vici: Add get_bool() convenience getter for VICI messages

src/libcharon/plugins/vici/suites/test_message.c

@@ -1,4 +1,7 @@
 /*
+ * Copyright (C) 2015 Tobias Brunner
+ * Hochschule fuer Technik Rapperswil
+ *
  * Copyright (C) 2014 Martin Willi
  * Copyright (C) 2014 revosec AG
  *
@@ -355,6 +358,33 @@ START_TEST(test_get_int)
 }
 END_TEST
 
+START_TEST(test_get_bool)
+{
+	vici_message_t *m;
+
+	m = build_getter_msg();
+
+	ck_assert(m->get_bool(m, TRUE, "key1"));
+	ck_assert(m->get_bool(m, FALSE, "key1"));
+
+	ck_assert(m->get_bool(m, TRUE, "section1.key2"));
+	ck_assert(m->get_bool(m, TRUE, "section1.section2.key3"));
+	ck_assert(m->get_bool(m, TRUE, "section1.key4"));
+	ck_assert(m->get_bool(m, TRUE, "key5"));
+	ck_assert(m->get_bool(m, TRUE, "nonexistent"));
+	ck_assert(m->get_bool(m, TRUE, "n.o.n.e.x.i.s.t.e.n.t"));
+
+	ck_assert(!m->get_bool(m, FALSE, "section1.key2"));
+	ck_assert(!m->get_bool(m, FALSE, "section1.section2.key3"));
+	ck_assert(!m->get_bool(m, FALSE, "section1.key4"));
+	ck_assert(!m->get_bool(m, FALSE, "key5"));
+	ck_assert(!m->get_bool(m, FALSE, "nonexistent"));
+	ck_assert(!m->get_bool(m, FALSE, "n.o.n.e.x.i.s.t.e.n.t"));
+
+	m->destroy(m);
+}
+END_TEST
+
 START_TEST(test_get_value)
 {
 	vici_message_t *m;
@@ -400,6 +430,7 @@ Suite *message_suite_create()
 	tc = tcase_create("convenience getters");
 	tcase_add_test(tc, test_get_str);
 	tcase_add_test(tc, test_get_int);
+	tcase_add_test(tc, test_get_bool);
 	tcase_add_test(tc, test_get_value);
 	suite_add_tcase(s, tc);
 

src/libcharon/plugins/vici/vici_message.c

@@ -1,4 +1,7 @@
 /*
+ * Copyright (C) 2015 Tobias Brunner
+ * Hochschule fuer Technik Rapperswil
+ *
  * Copyright (C) 2014 Martin Willi
  * Copyright (C) 2014 revosec AG
  *
@@ -385,6 +388,41 @@ METHOD(vici_message_t, get_int, int,
 	return val;
 }
 
+METHOD(vici_message_t, vget_bool, bool,
+	private_vici_message_t *this, bool def, char *fmt, va_list args)
+{
+	chunk_t value;
+	bool found;
+	char buf[16];
+
+	found = find_value(this, &value, fmt, args);
+	if (found)
+	{
+		if (value.len == 0)
+		{
+			return def;
+		}
+		if (chunk_printable(value, NULL, 0))
+		{
+			snprintf(buf, sizeof(buf), "%.*s", (int)value.len, value.ptr);
+			return settings_value_as_bool(buf, def);
+		}
+	}
+	return def;
+}
+
+METHOD(vici_message_t, get_bool, bool,
+	private_vici_message_t *this, bool def, char *fmt, ...)
+{
+	va_list args;
+	bool val;
+
+	va_start(args, fmt);
+	val = vget_bool(this, def, fmt, args);
+	va_end(args);
+	return val;
+}
+
 METHOD(vici_message_t, vget_value, chunk_t,
 	private_vici_message_t *this, chunk_t def, char *fmt, va_list args)
 {
@@ -633,6 +671,8 @@ vici_message_t *vici_message_create_from_data(chunk_t data, bool cleanup)
 			.vget_str = _vget_str,
 			.get_int = _get_int,
 			.vget_int = _vget_int,
+			.get_bool = _get_bool,
+			.vget_bool = _vget_bool,
 			.get_value = _get_value,
 			.vget_value = _vget_value,
 			.get_encoding = _get_encoding,

src/libcharon/plugins/vici/vici_message.h

@@ -1,4 +1,7 @@
 /*
+ * Copyright (C) 2015 Tobias Brunner
+ * Hochschule fuer Technik Rapperswil
+ *
  * Copyright (C) 2014 Martin Willi
  * Copyright (C) 2014 revosec AG
  *
@@ -137,6 +140,26 @@ struct vici_message_t {
 	 */
 	int (*vget_int)(vici_message_t *this, int def, char *fmt, va_list args);
 
+	/**
+	 * Get the value of a key/value pair as boolean.
+	 *
+	 * @param def	default value if not found
+	 * @param fmt	printf style format string for key, with sections
+	 * @param ...	arguments to fmt string
+	 * @return		value
+	 */
+	bool (*get_bool)(vici_message_t *this, bool def, char *fmt, ...);
+
+	/**
+	 * Get the value of a key/value pair as boolean, va_list variant
+	 *
+	 * @param def	default value if not found
+	 * @param fmt	printf style format string for key, with sections
+	 * @param args	arguments to fmt string
+	 * @return		value
+	 */
+	bool (*vget_bool)(vici_message_t *this, bool def, char *fmt, va_list args);
+
 	/**
 	 * Get the raw value of a key/value pair.
 	 *