add gsm0341_test to generate SMSCB hex strings

Those hex strings can then be copy+pasted into the OSmoNITB VTY

1 files changed, 62 insertions, 0 deletions

diff --git a/tests/smscb/gsm0341_test.c b/tests/smscb/gsm0341_test.c
new file mode 100644
index 00000000..5b728899
--- /dev/null
+++ b/tests/smscb/gsm0341_test.c
@@ -0,0 +1,62 @@
+/*
+ * (C) 2014 by Harald Welte <laforge@gnumonks.org>
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <osmocom/gsm/protocol/gsm_03_41.h>
+#include <osmocom/gsm/gsm0341.h>
+#include <osmocom/gsm/gsm_utils.h>
+#include <osmocom/core/utils.h>
+#include <osmocom/core/msgb.h>
+
+struct gsm341_ms_message *gen_msg_from_text(uint16_t msg_id, const char *text)
+{
+	struct gsm341_ms_message *cbmsg;
+	int text_len = strlen(text);
+	/* assuming default GSM alphabet, the encoded payload cannot be
+	 * longer than the input text */
+	uint8_t payload[text_len];
+	int payload_octets;
+
+	gsm_7bit_encode_n(payload, sizeof(payload), text, &payload_octets);
+	cbmsg = gsm0341_build_msg(NULL, 0, 23, 0, msg_id, 0xf0, 1, 1, payload, payload_octets);
+
+	printf("%s\n", osmo_hexdump_nospc((uint8_t *)cbmsg, sizeof(*cbmsg)+payload_octets));
+
+	return cbmsg;
+}
+
+int main(int argc, char **argv)
+{
+	uint16_t msg_id = GSM341_MSGID_ETWS_CMAS_MONTHLY_TEST;
+	char *text = "Mahlzeit!";
+
+	if (argc > 1)
+		msg_id = atoi(argv[1]);
+
+	if (argc > 2)
+		text = argv[2];
+
+	gen_msg_from_text(msg_id, text);
+
+	return EXIT_SUCCESS;
+}