Harald Welte | c8a0b93 | 2012-08-24 21:27:26 +0200 | [diff] [blame] | 1 | /* |
| 2 | * (C) 2012 by Harald Welte <laforge@gnumonks.org> |
| 3 | * All Rights Reserved |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | */ |
| 20 | |
| 21 | #include <string.h> |
| 22 | #include <stdio.h> |
| 23 | |
| 24 | #include <osmocom/gsm/protocol/gsm_04_08.h> |
| 25 | #include <osmocom/gsm/gsm48_ie.h> |
| 26 | #include <osmocom/gsm/mncc.h> |
| 27 | #include <osmocom/core/utils.h> |
| 28 | #include <osmocom/core/msgb.h> |
| 29 | |
| 30 | |
| 31 | static const uint8_t csd_9600_v110_lv[] = { 0x07, 0xa1, 0xb8, 0x89, 0x21, 0x15, 0x63, 0x80 }; |
| 32 | |
| 33 | static const struct gsm_mncc_bearer_cap bcap_csd_9600_v110 = { |
| 34 | .transfer = GSM48_BCAP_ITCAP_UNR_DIG_INF, |
| 35 | .mode = GSM48_BCAP_TMOD_CIRCUIT, |
| 36 | .coding = GSM48_BCAP_CODING_GSM_STD, |
| 37 | .radio = GSM48_BCAP_RRQ_FR_ONLY, |
| 38 | .speech_ver[0]= -1, |
| 39 | .data = { |
| 40 | .rate_adaption = GSM48_BCAP_RA_V110_X30, |
| 41 | .sig_access = GSM48_BCAP_SA_I440_I450, |
| 42 | .async = 1, |
| 43 | .nr_stop_bits = 1, |
| 44 | .nr_data_bits = 8, |
| 45 | .user_rate = GSM48_BCAP_UR_9600, |
| 46 | .parity = GSM48_BCAP_PAR_NONE, |
| 47 | .interm_rate = GSM48_BCAP_IR_16k, |
| 48 | .transp = GSM48_BCAP_TR_TRANSP, |
| 49 | .modem_type = GSM48_BCAP_MT_NONE, |
| 50 | }, |
| 51 | }; |
| 52 | |
| 53 | static const uint8_t speech_all_lv[] = { 0x06, 0x60, 0x04, 0x02, 0x00, 0x05, 0x81 }; |
| 54 | |
| 55 | static const struct gsm_mncc_bearer_cap bcap_speech_all = { |
| 56 | .transfer = GSM48_BCAP_ITCAP_SPEECH, |
| 57 | .mode = GSM48_BCAP_TMOD_CIRCUIT, |
| 58 | .coding = GSM48_BCAP_CODING_GSM_STD, |
| 59 | .radio = GSM48_BCAP_RRQ_DUAL_FR, |
| 60 | .speech_ver = { |
| 61 | 4, 2, 0, 5, 1, -1, |
| 62 | }, |
| 63 | }; |
| 64 | |
| 65 | |
| 66 | struct bcap_test { |
| 67 | const uint8_t *lv; |
| 68 | const struct gsm_mncc_bearer_cap *bc; |
| 69 | const char *name; |
| 70 | }; |
| 71 | |
| 72 | static const struct bcap_test bcap_tests[] = { |
| 73 | { csd_9600_v110_lv, &bcap_csd_9600_v110, "CSD 9600/V.110/transparent" }, |
| 74 | { speech_all_lv, &bcap_speech_all, "Speech, all codecs" }, |
| 75 | }; |
| 76 | |
| 77 | static int test_bearer_cap() |
| 78 | { |
| 79 | struct gsm_mncc_bearer_cap bc; |
| 80 | int i, rc; |
| 81 | |
| 82 | for (i = 0; i < ARRAY_SIZE(bcap_tests); i++) { |
| 83 | struct msgb *msg = msgb_alloc(100, "test"); |
| 84 | int lv_len; |
| 85 | |
| 86 | memset(&bc, 0, sizeof(bc)); |
| 87 | |
| 88 | /* test decoding */ |
| 89 | rc = gsm48_decode_bearer_cap(&bc, bcap_tests[i].lv); |
| 90 | if (rc < 0) { |
| 91 | fprintf(stderr, "Error decoding %s\n", |
| 92 | bcap_tests[i].name); |
| 93 | return rc; |
| 94 | } |
| 95 | if (memcmp(&bc, bcap_tests[i].bc, sizeof(bc))) { |
| 96 | fprintf(stderr, "Incorrect decoded result of %s:\n", |
| 97 | bcap_tests[i].name); |
| 98 | fprintf(stderr, " should: %s\n", |
| 99 | osmo_hexdump((uint8_t *) bcap_tests[i].bc, sizeof(bc))); |
| 100 | fprintf(stderr, " is: %s\n", |
| 101 | osmo_hexdump((uint8_t *) &bc, sizeof(bc))); |
| 102 | return -1; |
| 103 | } |
| 104 | |
| 105 | /* also test re-encode? */ |
| 106 | rc = gsm48_encode_bearer_cap(msg, 1, &bc); |
| 107 | if (rc < 0) { |
| 108 | fprintf(stderr, "Error encoding %s\n", |
| 109 | bcap_tests[i].name); |
| 110 | return rc; |
| 111 | } |
| 112 | lv_len = bcap_tests[i].lv[0]+1; |
| 113 | if (memcmp(msg->data, bcap_tests[i].lv, lv_len)) { |
| 114 | fprintf(stderr, "Incorrect encoded result of %s:\n", |
| 115 | bcap_tests[i].name); |
| 116 | fprintf(stderr, " should: %s\n", |
| 117 | osmo_hexdump(bcap_tests[i].lv, lv_len)); |
| 118 | fprintf(stderr, " is: %s\n", |
| 119 | osmo_hexdump(msg->data, msg->len)); |
| 120 | return -1; |
| 121 | } |
| 122 | |
| 123 | printf("Test `%s' passed\n", bcap_tests[i].name); |
| 124 | msgb_free(msg); |
| 125 | } |
| 126 | |
| 127 | return 0; |
| 128 | } |
| 129 | |
| 130 | int main(int argc, char **argv) |
| 131 | { |
| 132 | test_bearer_cap(); |
| 133 | } |