| /* |
| * (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. |
| * |
| */ |
| |
| #include <string.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <time.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, uint8_t msg_code, 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; |
| |
| //srand(time(NULL)); |
| |
| gsm_7bit_encode_n(payload, sizeof(payload), text, &payload_octets); |
| //cbmsg = gsm0341_build_msg(NULL, 0, rand(), 0, msg_id, 0x0f, 1, 1, payload, payload_octets); |
| cbmsg = gsm0341_build_msg(NULL, 0, msg_code, 0, msg_id, 0x00, 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!"; |
| char tbuf[GSM341_MAX_CHARS+1]; |
| struct gsm341_ms_message *cbmsg; |
| |
| if (argc > 1) |
| msg_id = atoi(argv[1]); |
| |
| if (argc > 2) |
| text = argv[2]; |
| |
| strncpy(tbuf, text, GSM341_MAX_CHARS); |
| if (strlen(text) < GSM341_MAX_CHARS) |
| memset(tbuf+strlen(text), GSM341_7BIT_PADDING, |
| sizeof(tbuf)-strlen(text)); |
| tbuf[GSM341_MAX_CHARS] = 0; |
| |
| cbmsg = gen_msg_from_text(msg_id, 1, tbuf); |
| talloc_free(cbmsg); |
| |
| return EXIT_SUCCESS; |
| } |