Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 1 | /* |
| 2 | * LlcTest.cpp |
| 3 | * |
| 4 | * Copyright (C) 2015 by Sysmocom s.f.m.c. GmbH |
| 5 | * |
| 6 | * All Rights Reserved |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU Affero General Public License as published by |
| 10 | * the Free Software Foundation; either version 3 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU Affero General Public License |
| 19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 | * |
| 21 | */ |
| 22 | |
| 23 | extern "C" { |
| 24 | #include <osmocom/core/linuxlist.h> |
| 25 | } |
| 26 | |
| 27 | #include "llc.h" |
| 28 | #include "gprs_debug.h" |
| 29 | |
| 30 | extern "C" { |
| 31 | #include "pcu_vty.h" |
| 32 | |
| 33 | #include <osmocom/core/application.h> |
| 34 | #include <osmocom/core/msgb.h> |
| 35 | #include <osmocom/core/talloc.h> |
| 36 | #include <osmocom/core/utils.h> |
Pau Espin Pedrol | 5fc6e01 | 2020-02-26 20:05:33 +0100 | [diff] [blame^] | 37 | #include <osmocom/core/timer.h> |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 38 | #include <osmocom/vty/vty.h> |
| 39 | } |
| 40 | |
| 41 | |
| 42 | void *tall_pcu_ctx; |
| 43 | int16_t spoof_mnc = 0, spoof_mcc = 0; |
Neels Hofmeyr | bdc55fa | 2018-02-21 00:39:07 +0100 | [diff] [blame] | 44 | bool spoof_mnc_3_digits = false; |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 45 | |
Jacob Erlbeck | b671dbf | 2015-06-15 14:32:33 +0200 | [diff] [blame] | 46 | static void enqueue_data(gprs_llc_queue *queue, const uint8_t *data, size_t len, |
Pau Espin Pedrol | 5fc6e01 | 2020-02-26 20:05:33 +0100 | [diff] [blame^] | 47 | const struct timeval *expire_time) |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 48 | { |
| 49 | struct timeval *tv; |
| 50 | uint8_t *msg_data; |
| 51 | struct msgb *llc_msg = msgb_alloc(len + sizeof(*tv) * 2, |
| 52 | "llc_pdu_queue"); |
| 53 | |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 54 | msg_data = (uint8_t *)msgb_put(llc_msg, len); |
| 55 | |
| 56 | memcpy(msg_data, data, len); |
| 57 | |
Pau Espin Pedrol | 5fc6e01 | 2020-02-26 20:05:33 +0100 | [diff] [blame^] | 58 | queue->enqueue(llc_msg, expire_time); |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 59 | } |
| 60 | |
Jacob Erlbeck | b671dbf | 2015-06-15 14:32:33 +0200 | [diff] [blame] | 61 | static void dequeue_and_check(gprs_llc_queue *queue, const uint8_t *exp_data, |
Pau Espin Pedrol | 5fc6e01 | 2020-02-26 20:05:33 +0100 | [diff] [blame^] | 62 | size_t len, const gprs_llc_queue::MetaInfo *exp_info) |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 63 | { |
| 64 | struct msgb *llc_msg; |
Jacob Erlbeck | b671dbf | 2015-06-15 14:32:33 +0200 | [diff] [blame] | 65 | const gprs_llc_queue::MetaInfo *info_res; |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 66 | |
Jacob Erlbeck | b671dbf | 2015-06-15 14:32:33 +0200 | [diff] [blame] | 67 | llc_msg = queue->dequeue(&info_res); |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 68 | OSMO_ASSERT(llc_msg != NULL); |
| 69 | |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 70 | fprintf(stderr, "dequeued msg, length %u (expected %zu), data %s\n", |
Jacob Erlbeck | b671dbf | 2015-06-15 14:32:33 +0200 | [diff] [blame] | 71 | msgb_length(llc_msg), len, msgb_hexdump(llc_msg)); |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 72 | |
Max | d3a0d91 | 2019-03-05 16:15:01 +0100 | [diff] [blame] | 73 | if (!msgb_eq_data_print(llc_msg, exp_data, len)) |
| 74 | fprintf(stderr, "check failed!\n"); |
Jacob Erlbeck | b671dbf | 2015-06-15 14:32:33 +0200 | [diff] [blame] | 75 | |
Pau Espin Pedrol | 5fc6e01 | 2020-02-26 20:05:33 +0100 | [diff] [blame^] | 76 | if (exp_info) { |
| 77 | OSMO_ASSERT(memcmp(&exp_info->recv_time, &info_res->recv_time, sizeof(info_res->recv_time)) == 0); |
| 78 | OSMO_ASSERT(memcmp(&exp_info->expire_time, &info_res->expire_time, sizeof(info_res->expire_time)) == 0); |
| 79 | } |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 80 | msgb_free(llc_msg); |
| 81 | } |
| 82 | |
Jacob Erlbeck | b671dbf | 2015-06-15 14:32:33 +0200 | [diff] [blame] | 83 | static void enqueue_data(gprs_llc_queue *queue, const char *message, |
Pau Espin Pedrol | 5fc6e01 | 2020-02-26 20:05:33 +0100 | [diff] [blame^] | 84 | const struct timeval *expire_time) |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 85 | { |
Pau Espin Pedrol | 5fc6e01 | 2020-02-26 20:05:33 +0100 | [diff] [blame^] | 86 | enqueue_data(queue, (uint8_t *)(message), strlen(message), expire_time); |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 87 | } |
| 88 | |
Jacob Erlbeck | b671dbf | 2015-06-15 14:32:33 +0200 | [diff] [blame] | 89 | static void dequeue_and_check(gprs_llc_queue *queue, const char *exp_message, |
| 90 | const gprs_llc_queue::MetaInfo *exp_info = 0) |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 91 | { |
Jacob Erlbeck | b671dbf | 2015-06-15 14:32:33 +0200 | [diff] [blame] | 92 | dequeue_and_check(queue, |
| 93 | (uint8_t *)(exp_message), strlen(exp_message), exp_info); |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 94 | } |
| 95 | |
| 96 | static void test_llc_queue() |
| 97 | { |
| 98 | gprs_llc_queue queue; |
Pau Espin Pedrol | 5fc6e01 | 2020-02-26 20:05:33 +0100 | [diff] [blame^] | 99 | struct timeval expire_time = {0}; |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 100 | |
| 101 | printf("=== start %s ===\n", __func__); |
| 102 | |
| 103 | queue.init(); |
| 104 | OSMO_ASSERT(queue.size() == 0); |
Jacob Erlbeck | 07eb655 | 2015-06-15 11:05:44 +0200 | [diff] [blame] | 105 | OSMO_ASSERT(queue.octets() == 0); |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 106 | |
Pau Espin Pedrol | 5fc6e01 | 2020-02-26 20:05:33 +0100 | [diff] [blame^] | 107 | enqueue_data(&queue, "LLC message", &expire_time); |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 108 | OSMO_ASSERT(queue.size() == 1); |
Jacob Erlbeck | 07eb655 | 2015-06-15 11:05:44 +0200 | [diff] [blame] | 109 | OSMO_ASSERT(queue.octets() == 11); |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 110 | |
Pau Espin Pedrol | 5fc6e01 | 2020-02-26 20:05:33 +0100 | [diff] [blame^] | 111 | enqueue_data(&queue, "other LLC message", &expire_time); |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 112 | OSMO_ASSERT(queue.size() == 2); |
Jacob Erlbeck | 07eb655 | 2015-06-15 11:05:44 +0200 | [diff] [blame] | 113 | OSMO_ASSERT(queue.octets() == 28); |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 114 | |
| 115 | dequeue_and_check(&queue, "LLC message"); |
| 116 | OSMO_ASSERT(queue.size() == 1); |
Jacob Erlbeck | 07eb655 | 2015-06-15 11:05:44 +0200 | [diff] [blame] | 117 | OSMO_ASSERT(queue.octets() == 17); |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 118 | |
| 119 | dequeue_and_check(&queue, "other LLC message"); |
| 120 | OSMO_ASSERT(queue.size() == 0); |
Jacob Erlbeck | 07eb655 | 2015-06-15 11:05:44 +0200 | [diff] [blame] | 121 | OSMO_ASSERT(queue.octets() == 0); |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 122 | |
Pau Espin Pedrol | 5fc6e01 | 2020-02-26 20:05:33 +0100 | [diff] [blame^] | 123 | enqueue_data(&queue, "LLC", &expire_time); |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 124 | OSMO_ASSERT(queue.size() == 1); |
Jacob Erlbeck | 07eb655 | 2015-06-15 11:05:44 +0200 | [diff] [blame] | 125 | OSMO_ASSERT(queue.octets() == 3); |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 126 | |
| 127 | queue.clear(NULL); |
| 128 | OSMO_ASSERT(queue.size() == 0); |
Jacob Erlbeck | 07eb655 | 2015-06-15 11:05:44 +0200 | [diff] [blame] | 129 | OSMO_ASSERT(queue.octets() == 0); |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 130 | |
| 131 | printf("=== end %s ===\n", __func__); |
| 132 | } |
| 133 | |
Jacob Erlbeck | b671dbf | 2015-06-15 14:32:33 +0200 | [diff] [blame] | 134 | static void test_llc_meta() |
| 135 | { |
| 136 | gprs_llc_queue queue; |
Pau Espin Pedrol | 5fc6e01 | 2020-02-26 20:05:33 +0100 | [diff] [blame^] | 137 | gprs_llc_queue::MetaInfo info1 = {0}; |
| 138 | gprs_llc_queue::MetaInfo info2 = {0}; |
Jacob Erlbeck | b671dbf | 2015-06-15 14:32:33 +0200 | [diff] [blame] | 139 | |
| 140 | printf("=== start %s ===\n", __func__); |
| 141 | |
| 142 | queue.init(); |
| 143 | OSMO_ASSERT(queue.size() == 0); |
| 144 | OSMO_ASSERT(queue.octets() == 0); |
| 145 | |
Pau Espin Pedrol | 5fc6e01 | 2020-02-26 20:05:33 +0100 | [diff] [blame^] | 146 | info1.recv_time.tv_sec = 123456777; |
| 147 | info1.recv_time.tv_usec = 123456; |
| 148 | info1.expire_time.tv_sec = 123456789; |
| 149 | info1.expire_time.tv_usec = 987654; |
| 150 | osmo_gettimeofday_override_time = info1.recv_time; |
| 151 | enqueue_data(&queue, "LLC message 1", &info1.expire_time); |
| 152 | |
| 153 | info2.recv_time.tv_sec = 987654321; |
| 154 | info2.recv_time.tv_usec = 547352; |
| 155 | info2.expire_time.tv_sec = 987654327; |
| 156 | info2.expire_time.tv_usec = 867252; |
| 157 | osmo_gettimeofday_override_time = info2.recv_time; |
| 158 | enqueue_data(&queue, "LLC message 2", &info2.expire_time); |
Jacob Erlbeck | b671dbf | 2015-06-15 14:32:33 +0200 | [diff] [blame] | 159 | |
| 160 | dequeue_and_check(&queue, "LLC message 1", &info1); |
| 161 | dequeue_and_check(&queue, "LLC message 2", &info2); |
| 162 | |
| 163 | queue.clear(NULL); |
| 164 | OSMO_ASSERT(queue.size() == 0); |
| 165 | OSMO_ASSERT(queue.octets() == 0); |
| 166 | |
| 167 | printf("=== end %s ===\n", __func__); |
| 168 | } |
| 169 | |
Jacob Erlbeck | 257b630 | 2015-08-21 18:07:47 +0200 | [diff] [blame] | 170 | static void test_llc_merge() |
| 171 | { |
| 172 | gprs_llc_queue queue1; |
| 173 | gprs_llc_queue queue2; |
Pau Espin Pedrol | 5fc6e01 | 2020-02-26 20:05:33 +0100 | [diff] [blame^] | 174 | struct timeval expire_time = {0}; |
Jacob Erlbeck | 257b630 | 2015-08-21 18:07:47 +0200 | [diff] [blame] | 175 | |
| 176 | printf("=== start %s ===\n", __func__); |
| 177 | |
| 178 | queue1.init(); |
| 179 | queue2.init(); |
| 180 | |
Pau Espin Pedrol | 5fc6e01 | 2020-02-26 20:05:33 +0100 | [diff] [blame^] | 181 | osmo_gettimeofday_override_time.tv_sec += 1; |
| 182 | enqueue_data(&queue1, "*A*", &expire_time); |
Jacob Erlbeck | 257b630 | 2015-08-21 18:07:47 +0200 | [diff] [blame] | 183 | |
Pau Espin Pedrol | 5fc6e01 | 2020-02-26 20:05:33 +0100 | [diff] [blame^] | 184 | osmo_gettimeofday_override_time.tv_sec += 1; |
| 185 | enqueue_data(&queue1, "*B*", &expire_time); |
Jacob Erlbeck | 257b630 | 2015-08-21 18:07:47 +0200 | [diff] [blame] | 186 | |
Pau Espin Pedrol | 5fc6e01 | 2020-02-26 20:05:33 +0100 | [diff] [blame^] | 187 | osmo_gettimeofday_override_time.tv_sec += 1; |
| 188 | enqueue_data(&queue2, "*C*", &expire_time); |
Jacob Erlbeck | 257b630 | 2015-08-21 18:07:47 +0200 | [diff] [blame] | 189 | |
Pau Espin Pedrol | 5fc6e01 | 2020-02-26 20:05:33 +0100 | [diff] [blame^] | 190 | osmo_gettimeofday_override_time.tv_sec += 1; |
| 191 | enqueue_data(&queue1, "*D*", &expire_time); |
Jacob Erlbeck | 257b630 | 2015-08-21 18:07:47 +0200 | [diff] [blame] | 192 | |
Pau Espin Pedrol | 5fc6e01 | 2020-02-26 20:05:33 +0100 | [diff] [blame^] | 193 | osmo_gettimeofday_override_time.tv_sec += 1; |
| 194 | enqueue_data(&queue2, "*E*", &expire_time); |
Jacob Erlbeck | 257b630 | 2015-08-21 18:07:47 +0200 | [diff] [blame] | 195 | |
| 196 | OSMO_ASSERT(queue1.size() == 3); |
| 197 | OSMO_ASSERT(queue1.octets() == 9); |
| 198 | OSMO_ASSERT(queue2.size() == 2); |
| 199 | OSMO_ASSERT(queue2.octets() == 6); |
| 200 | |
| 201 | queue2.move_and_merge(&queue1); |
| 202 | |
| 203 | OSMO_ASSERT(queue1.size() == 0); |
| 204 | OSMO_ASSERT(queue1.octets() == 0); |
| 205 | OSMO_ASSERT(queue2.size() == 5); |
| 206 | OSMO_ASSERT(queue2.octets() == 15); |
| 207 | |
| 208 | dequeue_and_check(&queue2, "*A*"); |
| 209 | dequeue_and_check(&queue2, "*B*"); |
| 210 | dequeue_and_check(&queue2, "*C*"); |
| 211 | dequeue_and_check(&queue2, "*D*"); |
| 212 | dequeue_and_check(&queue2, "*E*"); |
| 213 | |
| 214 | OSMO_ASSERT(queue2.size() == 0); |
| 215 | OSMO_ASSERT(queue2.octets() == 0); |
| 216 | |
| 217 | printf("=== end %s ===\n", __func__); |
| 218 | } |
| 219 | |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 220 | int main(int argc, char **argv) |
| 221 | { |
| 222 | struct vty_app_info pcu_vty_info = {0}; |
| 223 | |
| 224 | tall_pcu_ctx = talloc_named_const(NULL, 1, "LlcTest context"); |
| 225 | if (!tall_pcu_ctx) |
| 226 | abort(); |
| 227 | |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 228 | msgb_talloc_ctx_init(tall_pcu_ctx, 0); |
Neels Hofmeyr | 42f2d61 | 2018-04-01 16:54:40 +0200 | [diff] [blame] | 229 | osmo_init_logging2(tall_pcu_ctx, &gprs_log_info); |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 230 | log_set_use_color(osmo_stderr_target, 0); |
| 231 | log_set_print_filename(osmo_stderr_target, 0); |
| 232 | log_set_log_level(osmo_stderr_target, LOGL_INFO); |
Max | d3a0d91 | 2019-03-05 16:15:01 +0100 | [diff] [blame] | 233 | log_parse_category_mask(osmo_stderr_target, "DPCU,3:DLGLOBAL,1:"); |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 234 | |
| 235 | vty_init(&pcu_vty_info); |
Pau Espin Pedrol | cd2ac56 | 2019-08-05 14:30:44 +0200 | [diff] [blame] | 236 | pcu_vty_init(); |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 237 | |
Pau Espin Pedrol | 5fc6e01 | 2020-02-26 20:05:33 +0100 | [diff] [blame^] | 238 | osmo_gettimeofday_override = true; |
| 239 | osmo_gettimeofday_override_time.tv_sec = 123456777; |
| 240 | osmo_gettimeofday_override_time.tv_usec = 123456; |
| 241 | |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 242 | test_llc_queue(); |
Jacob Erlbeck | b671dbf | 2015-06-15 14:32:33 +0200 | [diff] [blame] | 243 | test_llc_meta(); |
Jacob Erlbeck | 257b630 | 2015-08-21 18:07:47 +0200 | [diff] [blame] | 244 | test_llc_merge(); |
Jacob Erlbeck | 626369c | 2015-06-15 11:04:25 +0200 | [diff] [blame] | 245 | |
| 246 | if (getenv("TALLOC_REPORT_FULL")) |
| 247 | talloc_report_full(tall_pcu_ctx, stderr); |
| 248 | |
| 249 | return EXIT_SUCCESS; |
| 250 | } |
| 251 | |
| 252 | extern "C" { |
| 253 | void l1if_pdch_req() { abort(); } |
| 254 | void l1if_connect_pdch() { abort(); } |
| 255 | void l1if_close_pdch() { abort(); } |
| 256 | void l1if_open_pdch() { abort(); } |
| 257 | } |