sms: Implement encoding the address as alphanumeric type

The number of digits is the number of used octets times two (two
digits per octet). The result has been successfully dissected by
wireshark. It has not been tested with real phones.

2 files changed, 49 insertions, 1 deletions

diff --git a/tests/sms/sms_test.c b/tests/sms/sms_test.c
index 3188a187..a79d4547 100644
--- a/tests/sms/sms_test.c
+++ b/tests/sms/sms_test.c
@@ -22,8 +22,13 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <osmocom/core/msgb.h>
+
+#include <osmocom/gsm/protocol/gsm_03_40.h>
+
 #include <osmocom/gsm/gsm_utils.h>
+#include <osmocom/gsm/gsm0411_utils.h>
+
+#include <osmocom/core/msgb.h>
 #include <osmocom/core/utils.h>
 
 struct test_case {
@@ -222,6 +227,42 @@ static void test_octet_return()
 	printf("Done\n");
 }
 
+static void test_gen_oa(void)
+{
+	uint8_t oa[12];
+	int len;
+
+	printf("Testing gsm340_gen_oa\n");
+
+	/* first try... */
+	len = gsm340_gen_oa(oa, ARRAY_SIZE(oa), GSM340_TYPE_UNKNOWN,
+			GSM340_PLAN_ISDN, "12345678901234567891");
+	OSMO_ASSERT(len == 12);
+	printf("Result: len(%d) data(%s)\n", len, osmo_hexdump(oa, len));
+	len = gsm340_gen_oa(oa, ARRAY_SIZE(oa), GSM340_TYPE_NATIONAL,
+			GSM340_PLAN_ISDN, "12345678901234567891");
+	OSMO_ASSERT(len == 12);
+	printf("Result: len(%d) data(%s)\n", len, osmo_hexdump(oa, len));
+
+	/* long input.. will fail and just prints the header*/
+	len = gsm340_gen_oa(oa, ARRAY_SIZE(oa), GSM340_TYPE_INTERNATIONAL,
+			GSM340_PLAN_ISDN, "123456789123456789120");
+	OSMO_ASSERT(len == 2);
+	printf("Result: len(%d) data(%s)\n", len, osmo_hexdump(oa, len));
+
+	/* try the alpha numeric encoding */
+	len = gsm340_gen_oa(oa, ARRAY_SIZE(oa), GSM340_TYPE_ALPHA_NUMERIC,
+			GSM340_PLAN_UNKNOWN, "OpenBSC");
+	OSMO_ASSERT(len == 9);
+	printf("Result: len(%d) data(%s)\n", len, osmo_hexdump(oa, len));
+
+	/* long alpha numeric text */
+	len = gsm340_gen_oa(oa, ARRAY_SIZE(oa), GSM340_TYPE_ALPHA_NUMERIC,
+			GSM340_PLAN_UNKNOWN, "OpenBSCabcdefghijklm");
+	OSMO_ASSERT(len == 12);
+	printf("Result: len(%d) data(%s)\n", len, osmo_hexdump(oa, len));
+}
+
 int main(int argc, char** argv)
 {
 	printf("SMS testing\n");
@@ -344,6 +385,7 @@ int main(int argc, char** argv)
 	}
 
 	test_octet_return();
+	test_gen_oa();
 
 	printf("OK\n");
 	return 0;
diff --git a/tests/sms/sms_test.ok b/tests/sms/sms_test.ok
index 915a59c8..a71567de 100644
--- a/tests/sms/sms_test.ok
+++ b/tests/sms/sms_test.ok
@@ -12,4 +12,10 @@ Decode case 5: return value 40 (expected 40)
 Encoding some tests and printing number of septets/octets
 SEPTETS: 8 OCTETS: 7
 Done
+Testing gsm340_gen_oa
+Result: len(12) data(14 81 21 43 65 87 09 21 43 65 87 19 )
+Result: len(12) data(14 a1 21 43 65 87 09 21 43 65 87 19 )
+Result: len(2) data(00 91 )
+Result: len(9) data(0e d0 4f 78 d9 2d 9c 0e 01 )
+Result: len(12) data(14 d0 4f 78 d9 2d 9c 0e c3 e2 31 19 )
 OK