Neels Hofmeyr | 25c9741 | 2021-11-13 23:19:33 +0100 | [diff] [blame] | 1 | /* (C) 2021 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de> |
| 2 | * All Rights Reserved |
| 3 | * |
| 4 | * Author: Neels Janosch Hofmeyr <nhofmeyr@sysmocom.de> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU Affero General Public License as published by |
| 8 | * the Free Software Foundation; either version 3 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Affero General Public License |
| 17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 18 | * |
| 19 | */ |
| 20 | |
| 21 | #include <inttypes.h> |
| 22 | |
| 23 | #include <osmocom/core/utils.h> |
| 24 | #include <osmocom/core/rate_ctr.h> |
| 25 | #include <osmocom/core/logging.h> |
| 26 | #include <osmocom/core/application.h> |
| 27 | #include <osmocom/core/select.h> |
| 28 | #include <osmocom/core/tdef.h> |
| 29 | #include <osmocom/core/time_cc.h> |
| 30 | |
| 31 | enum my_ctrs { |
| 32 | CTR_CEIL, |
| 33 | CTR_ROUND, |
| 34 | CTR_FLOOR, |
| 35 | }; |
| 36 | |
| 37 | const struct rate_ctr_desc my_ctr_desc[] = { |
| 38 | [CTR_CEIL] = {"ceil", "testing round_threshold_usec = 1"}, |
| 39 | [CTR_ROUND] = {"round", "testing round_threshold_usec = 0 = gran_usec/2"}, |
| 40 | [CTR_FLOOR] = {"floor", "testing round_threshold_usec = gran_usec"}, |
| 41 | }; |
| 42 | |
| 43 | const struct rate_ctr_group_desc my_ctrg_desc = { |
| 44 | "time_cc_test", |
| 45 | "Counters for osmo_time_cc test", |
| 46 | 0, |
| 47 | ARRAY_SIZE(my_ctr_desc), |
| 48 | my_ctr_desc, |
| 49 | }; |
| 50 | |
| 51 | struct rate_ctr_group *my_ctrg; |
| 52 | |
| 53 | |
| 54 | enum my_obj_timers { |
| 55 | T_GRAN = -23, |
| 56 | T_ROUND_THRESH = -24, |
| 57 | T_FORGET_SUM = -25, |
| 58 | }; |
| 59 | |
| 60 | struct osmo_tdef g_my_obj_tdefs[] = { |
| 61 | { .T = T_GRAN, .default_val = 0, .unit = OSMO_TDEF_MS, .desc = "flag_cc granularity, or zero for 1 second" }, |
| 62 | { .T = T_ROUND_THRESH, .default_val = 0, .unit = OSMO_TDEF_MS, |
| 63 | .desc = "flag_cc rounding threshold, or zero for half a granularity" }, |
| 64 | { .T = T_FORGET_SUM, .default_val = 0, .unit = OSMO_TDEF_MS, |
| 65 | .desc = "flag_cc inactivity forget period, or zero to not forget any timings" }, |
| 66 | {} |
| 67 | }; |
| 68 | |
| 69 | |
| 70 | struct my_obj { |
| 71 | struct osmo_time_cc flag_cc_ceil; |
| 72 | struct osmo_time_cc flag_cc_round; |
| 73 | struct osmo_time_cc flag_cc_floor; |
| 74 | }; |
| 75 | |
| 76 | void my_obj_init(struct my_obj *my_obj) |
| 77 | { |
| 78 | osmo_time_cc_init(&my_obj->flag_cc_ceil); |
| 79 | my_obj->flag_cc_ceil.cfg = (struct osmo_time_cc_cfg){ |
| 80 | .rate_ctr = rate_ctr_group_get_ctr(my_ctrg, CTR_CEIL), |
| 81 | .round_threshold_usec = 1, |
| 82 | .T_gran = T_GRAN, |
| 83 | .T_forget_sum = T_FORGET_SUM, |
| 84 | .T_defs = g_my_obj_tdefs, |
| 85 | }; |
| 86 | |
| 87 | osmo_time_cc_init(&my_obj->flag_cc_round); |
| 88 | my_obj->flag_cc_round.cfg = (struct osmo_time_cc_cfg){ |
| 89 | .rate_ctr = rate_ctr_group_get_ctr(my_ctrg, CTR_ROUND), |
| 90 | .T_gran = T_GRAN, |
| 91 | .T_round_threshold = T_ROUND_THRESH, |
| 92 | .T_forget_sum = T_FORGET_SUM, |
| 93 | .T_defs = g_my_obj_tdefs, |
| 94 | }; |
| 95 | |
| 96 | osmo_time_cc_init(&my_obj->flag_cc_floor); |
| 97 | my_obj->flag_cc_floor.cfg = (struct osmo_time_cc_cfg){ |
| 98 | .rate_ctr = rate_ctr_group_get_ctr(my_ctrg, CTR_FLOOR), |
| 99 | .round_threshold_usec = UINT64_MAX, /* always >= gran_usec */ |
| 100 | .T_gran = T_GRAN, |
| 101 | .T_forget_sum = T_FORGET_SUM, |
| 102 | .T_defs = g_my_obj_tdefs, |
| 103 | }; |
| 104 | } |
| 105 | |
| 106 | void my_obj_event(struct my_obj *my_obj, bool flag) |
| 107 | { |
| 108 | osmo_time_cc_set_flag(&my_obj->flag_cc_ceil, flag); |
| 109 | osmo_time_cc_set_flag(&my_obj->flag_cc_round, flag); |
| 110 | osmo_time_cc_set_flag(&my_obj->flag_cc_floor, flag); |
| 111 | } |
| 112 | |
| 113 | void my_obj_destruct(struct my_obj *my_obj) |
| 114 | { |
| 115 | osmo_time_cc_cleanup(&my_obj->flag_cc_ceil); |
| 116 | osmo_time_cc_cleanup(&my_obj->flag_cc_round); |
| 117 | osmo_time_cc_cleanup(&my_obj->flag_cc_floor); |
| 118 | } |
| 119 | |
| 120 | static const struct log_info_cat log_categories[] = { |
| 121 | }; |
| 122 | |
| 123 | static const struct log_info log_info = { |
| 124 | .cat = log_categories, |
| 125 | .num_cat = ARRAY_SIZE(log_categories), |
| 126 | }; |
| 127 | |
Harald Welte | e61d459 | 2022-11-03 11:05:58 +0100 | [diff] [blame] | 128 | int main(int argc, char **argv) |
Neels Hofmeyr | 25c9741 | 2021-11-13 23:19:33 +0100 | [diff] [blame] | 129 | { |
| 130 | void *ctx = talloc_named_const(NULL, 0, "time_cc_test"); |
| 131 | struct timespec *now; |
| 132 | struct my_obj my_obj = {0}; |
| 133 | |
| 134 | osmo_init_logging2(ctx, &log_info); |
| 135 | |
| 136 | /* enable override for CLOCK_MONOTONIC */ |
| 137 | osmo_clock_override_enable(CLOCK_MONOTONIC, true); |
| 138 | now = osmo_clock_override_gettimespec(CLOCK_MONOTONIC); |
| 139 | now->tv_sec = 23000; |
| 140 | now->tv_nsec = 0; |
| 141 | |
| 142 | /* enable override for osmo_gettimeofday(), for osmo_timer_schedule() */ |
| 143 | osmo_gettimeofday_override = true; |
| 144 | osmo_gettimeofday_override_time = (struct timeval){23000, 0}; |
| 145 | |
| 146 | my_ctrg = rate_ctr_group_alloc(ctx, &my_ctrg_desc, 0); |
| 147 | |
| 148 | #define CHECK_RATE_CTRS(exp_ceil, exp_round, exp_floor) do { \ |
| 149 | printf("%d CHECK_RATE_CTRS(" #exp_ceil ", " #exp_round ", " #exp_floor ")", \ |
| 150 | my_obj.flag_cc_round.flag_state); \ |
| 151 | while (osmo_select_main_ctx(1) > 0); \ |
| 152 | if (exp_ceil != my_obj.flag_cc_ceil.cfg.rate_ctr->current \ |
| 153 | || exp_round != my_obj.flag_cc_round.cfg.rate_ctr->current \ |
| 154 | || exp_floor != my_obj.flag_cc_floor.cfg.rate_ctr->current) \ |
| 155 | printf("\n ERROR on line %d: ctr_ceil=%"PRIu64" ctr_round=%"PRIu64" ctr_floor=%"PRIu64"\n", \ |
| 156 | __LINE__, \ |
| 157 | my_obj.flag_cc_ceil.cfg.rate_ctr->current, \ |
| 158 | my_obj.flag_cc_round.cfg.rate_ctr->current, \ |
| 159 | my_obj.flag_cc_floor.cfg.rate_ctr->current); \ |
| 160 | else \ |
| 161 | printf(" ok\n"); \ |
| 162 | } while (0) |
| 163 | |
| 164 | #define ADD_MILLISECS_NO_SELECT(ms) do { \ |
| 165 | osmo_clock_override_add(CLOCK_MONOTONIC, ms / 1000, (uint64_t)(ms % 1000) * 1000000); \ |
| 166 | osmo_gettimeofday_override_add(ms / 1000, (uint64_t)(ms % 1000) * 1000); \ |
| 167 | printf("%d ADD_MILLISECS(" #ms ") --> %ld.%03ld", my_obj.flag_cc_round.flag_state, \ |
| 168 | now->tv_sec, now->tv_nsec/1000000); \ |
| 169 | printf("\n"); \ |
| 170 | } while (0) |
| 171 | |
| 172 | #define ADD_MILLISECS(ms) do { \ |
| 173 | ADD_MILLISECS_NO_SELECT(ms); \ |
| 174 | while (osmo_select_main_ctx(1) > 0); \ |
| 175 | } while (0) |
| 176 | |
| 177 | #define FLAG(VAL) do { \ |
| 178 | printf(" flag: %s -> %s\n", my_obj.flag_cc_round.flag_state ? "TRUE" : "FALSE", VAL ? "TRUE" : "FALSE"); \ |
| 179 | my_obj_event(&my_obj, VAL); \ |
| 180 | } while (0) |
| 181 | |
| 182 | /* |
| 183 | * sum ^ |
| 184 | * | ________ |
| 185 | * | / |
| 186 | * | / |
| 187 | * | / |
| 188 | * 3*gran --+--------------------------------------+ |
| 189 | * | /: |
| 190 | * | / : |
| 191 | * | - - - - - - - - - - - - - - - - - / : |
| 192 | * | /. : |
| 193 | * | / . : |
| 194 | * 2*gran --+--------------------------------+ . : |
| 195 | * | /: . : |
| 196 | * | / : . : |
| 197 | * | - - - - - - - - - -_________/ : . : |
| 198 | * | / . : . : |
| 199 | * | / . : . : |
| 200 | * 1*gran --+-----------------+ . : . : |
| 201 | * | /: . : . : |
| 202 | * | / : . : . : |
| 203 | * | - - - - - - -/ : . : . : |
| 204 | * | /. : . : . : |
| 205 | * | ....-------' . : . : . : |
| 206 | * 0 +----------------------------------------------------------> elapsed time |
| 207 | * . : . : . : |
| 208 | * _ _ _______ ____________ |
| 209 | * flag: __| |_| |____| . : |_______|. : . : |__________ |
| 210 | * f t f t f t . : f t. : . : f |
| 211 | * round_threshold_usec : . : . : . : |
| 212 | * = 1 usec: 0 1 . :2 . :3 . :4 = "ceil()" |
| 213 | * = 0 == gran_usec/2: 0 1 : 2 : 3 : = "round()" |
| 214 | * = gran_usec: 0 1 2 3 = "floor()" |
| 215 | */ |
| 216 | |
| 217 | printf("\n----------- cumulating time, without forget_sum\n\n"); |
| 218 | |
| 219 | my_obj_init(&my_obj); |
| 220 | CHECK_RATE_CTRS(0, 0, 0); |
| 221 | |
| 222 | ADD_MILLISECS(100); |
| 223 | CHECK_RATE_CTRS(0, 0, 0); |
| 224 | |
| 225 | FLAG(true); |
| 226 | /* flag has just turned true the first time */ |
| 227 | CHECK_RATE_CTRS(0, 0, 0); |
| 228 | ADD_MILLISECS(1); |
| 229 | /* flag has been true for 0.001s */ |
| 230 | CHECK_RATE_CTRS(1, 0, 0); |
| 231 | ADD_MILLISECS(99); |
| 232 | /* flag has been true for 0.1s */ |
| 233 | CHECK_RATE_CTRS(1, 0, 0); |
| 234 | FLAG(false); |
| 235 | CHECK_RATE_CTRS(1, 0, 0); |
| 236 | |
| 237 | ADD_MILLISECS(100); |
| 238 | |
| 239 | CHECK_RATE_CTRS(1, 0, 0); |
| 240 | FLAG(true); |
| 241 | CHECK_RATE_CTRS(1, 0, 0); |
| 242 | ADD_MILLISECS(100); |
| 243 | /* flag has been true for 0.2s */ |
| 244 | CHECK_RATE_CTRS(1, 0, 0); |
| 245 | FLAG(false); |
| 246 | CHECK_RATE_CTRS(1, 0, 0); |
| 247 | |
| 248 | ADD_MILLISECS(300); |
| 249 | |
| 250 | CHECK_RATE_CTRS(1, 0, 0); |
| 251 | FLAG(true); |
| 252 | CHECK_RATE_CTRS(1, 0, 0); |
| 253 | ADD_MILLISECS(299); |
| 254 | /* flag has been true for 0.499s */ |
| 255 | CHECK_RATE_CTRS(1, 0, 0); |
| 256 | ADD_MILLISECS(1); |
| 257 | /* flag has been true for 0.5s */ |
| 258 | CHECK_RATE_CTRS(1, 1, 0); |
| 259 | ADD_MILLISECS(499); |
| 260 | /* flag has been true for 0.999s */ |
| 261 | CHECK_RATE_CTRS(1, 1, 0); |
| 262 | ADD_MILLISECS(1); |
| 263 | /* flag has been true for 1.0s */ |
| 264 | CHECK_RATE_CTRS(1, 1, 1); |
| 265 | ADD_MILLISECS(1); |
| 266 | /* flag has been true for 1.001s */ |
| 267 | CHECK_RATE_CTRS(2, 1, 1); |
| 268 | ADD_MILLISECS(299); |
| 269 | /* flag has been true for 1.3s */ |
| 270 | CHECK_RATE_CTRS(2, 1, 1); |
| 271 | FLAG(false); |
| 272 | CHECK_RATE_CTRS(2, 1, 1); |
| 273 | |
| 274 | ADD_MILLISECS(400); |
| 275 | |
| 276 | CHECK_RATE_CTRS(2, 1, 1); |
| 277 | FLAG(true); |
| 278 | CHECK_RATE_CTRS(2, 1, 1); |
| 279 | ADD_MILLISECS(199); |
| 280 | /* flag has been true for 1.499s */ |
| 281 | CHECK_RATE_CTRS(2, 1, 1); |
| 282 | ADD_MILLISECS(2); |
| 283 | /* flag has been true for 1.501s */ |
| 284 | CHECK_RATE_CTRS(2, 2, 1); |
| 285 | ADD_MILLISECS(498); |
| 286 | /* flag has been true for 1.999s */ |
| 287 | CHECK_RATE_CTRS(2, 2, 1); |
| 288 | ADD_MILLISECS(2); |
| 289 | /* flag has been true for 2.001s */ |
| 290 | CHECK_RATE_CTRS(3, 2, 2); |
| 291 | ADD_MILLISECS(500); |
| 292 | /* flag has been true for 2.501s */ |
| 293 | CHECK_RATE_CTRS(3, 3, 2); |
| 294 | ADD_MILLISECS(498); |
| 295 | /* flag has been true for 2.999s */ |
| 296 | CHECK_RATE_CTRS(3, 3, 2); |
| 297 | ADD_MILLISECS(3); |
| 298 | /* flag has been true for 3.003s */ |
| 299 | CHECK_RATE_CTRS(4, 3, 3); |
| 300 | ADD_MILLISECS(200); |
| 301 | /* flag has been true for 3.203s */ |
| 302 | CHECK_RATE_CTRS(4, 3, 3); |
| 303 | FLAG(false); |
| 304 | CHECK_RATE_CTRS(4, 3, 3); |
| 305 | |
| 306 | ADD_MILLISECS(4321); |
| 307 | CHECK_RATE_CTRS(4, 3, 3); |
| 308 | |
| 309 | FLAG(true); |
| 310 | CHECK_RATE_CTRS(4, 3, 3); |
| 311 | ADD_MILLISECS(5678); |
| 312 | CHECK_RATE_CTRS(9, 9, 8); |
| 313 | FLAG(false); |
| 314 | CHECK_RATE_CTRS(9, 9, 8); |
| 315 | |
| 316 | my_obj_destruct(&my_obj); |
| 317 | rate_ctr_group_reset(my_ctrg); |
| 318 | |
| 319 | printf("\n----------- test forget_sum_usec\n\n"); |
| 320 | osmo_tdef_set(g_my_obj_tdefs, T_FORGET_SUM, 10, OSMO_TDEF_S); |
| 321 | |
| 322 | now->tv_sec = 23000; |
| 323 | now->tv_nsec = 0; |
| 324 | osmo_gettimeofday_override_time = (struct timeval){23000, 0}; |
| 325 | |
| 326 | my_obj_init(&my_obj); |
| 327 | |
| 328 | CHECK_RATE_CTRS(0, 0, 0); |
| 329 | |
| 330 | FLAG(true); |
| 331 | /* flag has just turned true the first time */ |
| 332 | CHECK_RATE_CTRS(0, 0, 0); |
| 333 | ADD_MILLISECS(100); |
| 334 | /* flag has been true for 0.1s */ |
| 335 | CHECK_RATE_CTRS(1, 0, 0); |
| 336 | FLAG(false); |
| 337 | CHECK_RATE_CTRS(1, 0, 0); |
| 338 | |
| 339 | ADD_MILLISECS(1000); |
| 340 | /* 1 s of being false, forget_sum_usec has not yet occurred */ |
| 341 | CHECK_RATE_CTRS(1, 0, 0); |
| 342 | |
| 343 | ADD_MILLISECS(8999); |
| 344 | /* 9.999 s of being false, forget_sum_usec has not yet occurred */ |
| 345 | CHECK_RATE_CTRS(1, 0, 0); |
| 346 | |
| 347 | ADD_MILLISECS(1); |
| 348 | /* 10 s of being false, forget_sum_usec has occurred */ |
| 349 | CHECK_RATE_CTRS(1, 0, 0); |
| 350 | |
| 351 | FLAG(true); |
| 352 | CHECK_RATE_CTRS(1, 0, 0); |
| 353 | ADD_MILLISECS(1); |
| 354 | /* Since previous sums were forgotton, ceil() triggers again */ |
| 355 | CHECK_RATE_CTRS(2, 0, 0); |
| 356 | /* If the sum had not been forgotten, adding 400 ms to the initial 100 ms would have triggered round(). Verify |
| 357 | * that this does not occur, since now full 500 ms are required */ |
| 358 | ADD_MILLISECS(399); |
| 359 | CHECK_RATE_CTRS(2, 0, 0); |
| 360 | /* Adding another 100 ms will trigger round() */ |
| 361 | ADD_MILLISECS(99); |
| 362 | CHECK_RATE_CTRS(2, 0, 0); |
| 363 | ADD_MILLISECS(1); |
| 364 | CHECK_RATE_CTRS(2, 1, 0); |
| 365 | /* If the sum had not been forgotten, adding 900 ms to the initial 100 ms would have triggered floor(). Verify |
| 366 | * that this does not occur, since now full 1000 ms are required. We already added 500 ms above. */ |
| 367 | ADD_MILLISECS(400); |
| 368 | CHECK_RATE_CTRS(2, 1, 0); |
| 369 | /* Adding another 100 ms will trigger floor() */ |
| 370 | ADD_MILLISECS(99); |
| 371 | CHECK_RATE_CTRS(2, 1, 0); |
| 372 | ADD_MILLISECS(1); |
| 373 | CHECK_RATE_CTRS(2, 1, 1); |
| 374 | |
| 375 | /* Test that durations of false below forget_sum_usec never trigger a forget */ |
| 376 | ADD_MILLISECS(300); |
| 377 | CHECK_RATE_CTRS(3, 1, 1); |
| 378 | /* internal counter is now at 0.3s above the last reported rate counter */ |
| 379 | FLAG(false); |
| 380 | ADD_MILLISECS(9999); |
| 381 | FLAG(true); |
| 382 | ADD_MILLISECS(25); |
| 383 | FLAG(false); |
| 384 | ADD_MILLISECS(9999); |
| 385 | FLAG(true); |
| 386 | ADD_MILLISECS(25); |
| 387 | FLAG(false); |
| 388 | ADD_MILLISECS(9999); |
| 389 | FLAG(true); |
| 390 | ADD_MILLISECS(25); |
| 391 | FLAG(false); |
| 392 | ADD_MILLISECS(9999); |
| 393 | FLAG(true); |
| 394 | ADD_MILLISECS(25); |
| 395 | /* internal counter is now at 0.4s above the last reported rate counter */ |
| 396 | CHECK_RATE_CTRS(3, 1, 1); |
| 397 | ADD_MILLISECS(100); |
| 398 | CHECK_RATE_CTRS(3, 2, 1); |
| 399 | ADD_MILLISECS(500); |
| 400 | CHECK_RATE_CTRS(3, 2, 2); |
| 401 | |
| 402 | /* Test that repeated osmo_time_cc_set_flag(false) does not cancel a forget_sum_usec */ |
| 403 | ADD_MILLISECS(300); |
| 404 | /* internal counter is now at 0.3s above the last reported rate counter */ |
| 405 | CHECK_RATE_CTRS(4, 2, 2); |
| 406 | FLAG(false); |
| 407 | ADD_MILLISECS(5000); |
| 408 | /* Repeat 'false', must not affect forget_sum_usec */ |
| 409 | FLAG(false); |
| 410 | ADD_MILLISECS(5000); |
| 411 | CHECK_RATE_CTRS(4, 2, 2); |
| 412 | /* 10 s have passed, forget_sum_usec has occurred. |
| 413 | * Hence ceil() will trigger again right away: */ |
| 414 | FLAG(true); |
| 415 | ADD_MILLISECS(1); |
| 416 | CHECK_RATE_CTRS(5, 2, 2); |
| 417 | /* Adding 200 ms to the initial 300 ms would have triggered round(), but no more after forget_sum_usec */ |
| 418 | ADD_MILLISECS(199); |
| 419 | CHECK_RATE_CTRS(5, 2, 2); |
| 420 | /* Adding another 300 ms will trigger round() */ |
| 421 | ADD_MILLISECS(299); |
| 422 | CHECK_RATE_CTRS(5, 2, 2); |
| 423 | ADD_MILLISECS(1); |
| 424 | CHECK_RATE_CTRS(5, 3, 2); |
| 425 | /* Adding 700 ms to the initial 300 ms would have triggered ceil(), but no more after forget_sum_usec */ |
| 426 | ADD_MILLISECS(200); |
| 427 | CHECK_RATE_CTRS(5, 3, 2); |
| 428 | /* Adding another 300 ms will trigger ceil() */ |
| 429 | ADD_MILLISECS(299); |
| 430 | CHECK_RATE_CTRS(5, 3, 2); |
| 431 | ADD_MILLISECS(1); |
| 432 | CHECK_RATE_CTRS(5, 3, 3); |
| 433 | |
| 434 | my_obj_destruct(&my_obj); |
| 435 | rate_ctr_group_reset(my_ctrg); |
| 436 | |
| 437 | |
| 438 | /* Verify correctness when select() lags and runs timer callbacks too late */ |
| 439 | printf("\n----------- cumulating time, without forget_sum, when timer cb are invoked late\n\n"); |
| 440 | osmo_tdef_set(g_my_obj_tdefs, T_FORGET_SUM, 0, OSMO_TDEF_S); |
| 441 | now->tv_sec = 23000; |
| 442 | now->tv_nsec = 0; |
| 443 | osmo_gettimeofday_override_time = (struct timeval){23000, 0}; |
| 444 | |
| 445 | my_obj_init(&my_obj); |
| 446 | CHECK_RATE_CTRS(0, 0, 0); |
| 447 | |
| 448 | ADD_MILLISECS_NO_SELECT(100); |
| 449 | CHECK_RATE_CTRS(0, 0, 0); |
| 450 | |
| 451 | FLAG(true); |
| 452 | /* flag has just turned true the first time */ |
| 453 | CHECK_RATE_CTRS(0, 0, 0); |
| 454 | ADD_MILLISECS_NO_SELECT(100); |
| 455 | /* flag has been true for 0.1s */ |
| 456 | CHECK_RATE_CTRS(1, 0, 0); |
| 457 | FLAG(false); |
| 458 | CHECK_RATE_CTRS(1, 0, 0); |
| 459 | |
| 460 | ADD_MILLISECS_NO_SELECT(100); |
| 461 | |
| 462 | CHECK_RATE_CTRS(1, 0, 0); |
| 463 | FLAG(true); |
| 464 | CHECK_RATE_CTRS(1, 0, 0); |
| 465 | ADD_MILLISECS_NO_SELECT(100); |
| 466 | /* flag has been true for 0.2s */ |
| 467 | CHECK_RATE_CTRS(1, 0, 0); |
| 468 | FLAG(false); |
| 469 | CHECK_RATE_CTRS(1, 0, 0); |
| 470 | |
| 471 | ADD_MILLISECS_NO_SELECT(300); |
| 472 | |
| 473 | CHECK_RATE_CTRS(1, 0, 0); |
| 474 | FLAG(true); |
| 475 | CHECK_RATE_CTRS(1, 0, 0); |
| 476 | ADD_MILLISECS_NO_SELECT(799); |
| 477 | /* flag has been true for 0.999s */ |
| 478 | CHECK_RATE_CTRS(1, 1, 0); |
| 479 | ADD_MILLISECS_NO_SELECT(1); |
| 480 | /* flag has been true for 1.0s */ |
| 481 | CHECK_RATE_CTRS(1, 1, 1); |
| 482 | ADD_MILLISECS_NO_SELECT(300); |
| 483 | /* flag has been true for 1.3s */ |
| 484 | CHECK_RATE_CTRS(2, 1, 1); |
| 485 | FLAG(false); |
| 486 | CHECK_RATE_CTRS(2, 1, 1); |
| 487 | |
| 488 | ADD_MILLISECS_NO_SELECT(400); |
| 489 | |
| 490 | CHECK_RATE_CTRS(2, 1, 1); |
| 491 | FLAG(true); |
| 492 | CHECK_RATE_CTRS(2, 1, 1); |
| 493 | ADD_MILLISECS_NO_SELECT(699); |
| 494 | /* flag has been true for 1.999s */ |
| 495 | CHECK_RATE_CTRS(2, 2, 1); |
| 496 | ADD_MILLISECS_NO_SELECT(1); |
| 497 | /* flag has been true for 2.0s */ |
| 498 | CHECK_RATE_CTRS(2, 2, 2); |
| 499 | ADD_MILLISECS_NO_SELECT(1); |
| 500 | /* flag has been true for 2.001s */ |
| 501 | CHECK_RATE_CTRS(3, 2, 2); |
| 502 | ADD_MILLISECS_NO_SELECT(499); |
| 503 | /* flag has been true for 2.5s */ |
| 504 | CHECK_RATE_CTRS(3, 3, 2); |
| 505 | ADD_MILLISECS_NO_SELECT(499); |
| 506 | /* flag has been true for 2.999s */ |
| 507 | CHECK_RATE_CTRS(3, 3, 2); |
| 508 | ADD_MILLISECS_NO_SELECT(1); |
| 509 | /* flag has been true for 3.0s */ |
| 510 | CHECK_RATE_CTRS(3, 3, 3); |
| 511 | ADD_MILLISECS_NO_SELECT(200); |
| 512 | /* flag has been true for 3.2s */ |
| 513 | CHECK_RATE_CTRS(4, 3, 3); |
| 514 | FLAG(false); |
| 515 | CHECK_RATE_CTRS(4, 3, 3); |
| 516 | |
| 517 | ADD_MILLISECS_NO_SELECT(4321); |
| 518 | CHECK_RATE_CTRS(4, 3, 3); |
| 519 | |
| 520 | FLAG(true); |
| 521 | CHECK_RATE_CTRS(4, 3, 3); |
| 522 | ADD_MILLISECS_NO_SELECT(5678); |
| 523 | CHECK_RATE_CTRS(9, 9, 8); |
| 524 | FLAG(false); |
| 525 | CHECK_RATE_CTRS(9, 9, 8); |
| 526 | |
| 527 | my_obj_destruct(&my_obj); |
| 528 | rate_ctr_group_reset(my_ctrg); |
| 529 | |
| 530 | |
| 531 | printf("\n----------- test forget_sum, when timer cb are invoked late\n\n"); |
| 532 | osmo_tdef_set(g_my_obj_tdefs, T_FORGET_SUM, 10, OSMO_TDEF_S); |
| 533 | |
| 534 | now->tv_sec = 23000; |
| 535 | now->tv_nsec = 0; |
| 536 | osmo_gettimeofday_override_time = (struct timeval){23000, 0}; |
| 537 | |
| 538 | my_obj_init(&my_obj); |
| 539 | |
| 540 | CHECK_RATE_CTRS(0, 0, 0); |
| 541 | |
| 542 | FLAG(true); |
| 543 | /* flag has just turned true the first time */ |
| 544 | CHECK_RATE_CTRS(0, 0, 0); |
| 545 | ADD_MILLISECS_NO_SELECT(100); |
| 546 | /* flag has been true for 0.1s */ |
| 547 | CHECK_RATE_CTRS(1, 0, 0); |
| 548 | FLAG(false); |
| 549 | CHECK_RATE_CTRS(1, 0, 0); |
| 550 | |
| 551 | ADD_MILLISECS_NO_SELECT(1000); |
| 552 | /* 1 s of being false, forget_sum_usec has not yet occurred */ |
| 553 | CHECK_RATE_CTRS(1, 0, 0); |
| 554 | |
| 555 | ADD_MILLISECS_NO_SELECT(8999); |
| 556 | /* 9.999 s of being false, forget_sum_usec has not yet occurred */ |
| 557 | CHECK_RATE_CTRS(1, 0, 0); |
| 558 | |
| 559 | ADD_MILLISECS_NO_SELECT(1); |
| 560 | /* 10 s of being false, forget_sum_usec has occurred */ |
| 561 | CHECK_RATE_CTRS(1, 0, 0); |
| 562 | |
| 563 | FLAG(true); |
| 564 | CHECK_RATE_CTRS(1, 0, 0); |
| 565 | ADD_MILLISECS_NO_SELECT(1); |
| 566 | /* Since previous sums were forgotton, ceil() triggers again */ |
| 567 | CHECK_RATE_CTRS(2, 0, 0); |
| 568 | /* If the sum had not been forgotten, adding 400 ms to the initial 100 ms would have triggered round(). Verify |
| 569 | * that this does not occur, since now full 500 ms are required */ |
| 570 | ADD_MILLISECS_NO_SELECT(399); |
| 571 | CHECK_RATE_CTRS(2, 0, 0); |
| 572 | /* Adding another 100 ms will trigger round() */ |
| 573 | ADD_MILLISECS_NO_SELECT(99); |
| 574 | CHECK_RATE_CTRS(2, 0, 0); |
| 575 | ADD_MILLISECS_NO_SELECT(1); |
| 576 | CHECK_RATE_CTRS(2, 1, 0); |
| 577 | /* If the sum had not been forgotten, adding 900 ms to the initial 100 ms would have triggered floor(). Verify |
| 578 | * that this does not occur, since now full 1000 ms are required. We already added 500 ms above. */ |
| 579 | ADD_MILLISECS_NO_SELECT(400); |
| 580 | CHECK_RATE_CTRS(2, 1, 0); |
| 581 | /* Adding another 100 ms will trigger floor() */ |
| 582 | ADD_MILLISECS_NO_SELECT(99); |
| 583 | CHECK_RATE_CTRS(2, 1, 0); |
| 584 | ADD_MILLISECS_NO_SELECT(1); |
| 585 | CHECK_RATE_CTRS(2, 1, 1); |
| 586 | |
| 587 | /* Test that durations of false below forget_sum_usec never trigger a forget */ |
| 588 | ADD_MILLISECS_NO_SELECT(300); |
| 589 | CHECK_RATE_CTRS(3, 1, 1); |
| 590 | /* internal counter is now at 0.3s above the last reported rate counter */ |
| 591 | FLAG(false); |
| 592 | ADD_MILLISECS_NO_SELECT(9999); |
| 593 | FLAG(true); |
| 594 | ADD_MILLISECS_NO_SELECT(25); |
| 595 | FLAG(false); |
| 596 | ADD_MILLISECS_NO_SELECT(9999); |
| 597 | FLAG(true); |
| 598 | ADD_MILLISECS_NO_SELECT(25); |
| 599 | FLAG(false); |
| 600 | ADD_MILLISECS_NO_SELECT(9999); |
| 601 | FLAG(true); |
| 602 | ADD_MILLISECS_NO_SELECT(25); |
| 603 | FLAG(false); |
| 604 | ADD_MILLISECS_NO_SELECT(9999); |
| 605 | FLAG(true); |
| 606 | ADD_MILLISECS_NO_SELECT(25); |
| 607 | /* internal counter is now at 0.4s above the last reported rate counter */ |
| 608 | CHECK_RATE_CTRS(3, 1, 1); |
| 609 | ADD_MILLISECS_NO_SELECT(100); |
| 610 | CHECK_RATE_CTRS(3, 2, 1); |
| 611 | ADD_MILLISECS_NO_SELECT(500); |
| 612 | CHECK_RATE_CTRS(3, 2, 2); |
| 613 | |
| 614 | my_obj_destruct(&my_obj); |
| 615 | rate_ctr_group_reset(my_ctrg); |
| 616 | |
| 617 | |
| 618 | #define SET_TDEFS(gran, round_thresh, forget_sum) do { \ |
| 619 | osmo_tdef_set(g_my_obj_tdefs, T_GRAN, gran, OSMO_TDEF_MS); \ |
| 620 | osmo_tdef_set(g_my_obj_tdefs, T_ROUND_THRESH, round_thresh, OSMO_TDEF_MS); \ |
| 621 | osmo_tdef_set(g_my_obj_tdefs, T_FORGET_SUM, forget_sum, OSMO_TDEF_S); \ |
| 622 | printf("T_defs: T_gran=%luusec T_round_threshold=%luusec T_forget_sum=%luusec\n", \ |
| 623 | osmo_tdef_get(g_my_obj_tdefs, T_GRAN, OSMO_TDEF_US, -1), \ |
| 624 | osmo_tdef_get(g_my_obj_tdefs, T_ROUND_THRESH, OSMO_TDEF_US, -1), \ |
| 625 | osmo_tdef_get(g_my_obj_tdefs, T_FORGET_SUM, OSMO_TDEF_US, -1)); \ |
| 626 | } while (0) |
| 627 | |
| 628 | printf("\n----------- test T_defs\n\n"); |
| 629 | now->tv_sec = 23000; |
| 630 | now->tv_nsec = 0; |
| 631 | osmo_gettimeofday_override_time = (struct timeval){23000, 0}; |
| 632 | |
| 633 | SET_TDEFS(100, 10, 0); |
| 634 | |
| 635 | my_obj_init(&my_obj); |
| 636 | CHECK_RATE_CTRS(0, 0, 0); |
| 637 | |
| 638 | ADD_MILLISECS(100); |
| 639 | CHECK_RATE_CTRS(0, 0, 0); |
| 640 | |
| 641 | FLAG(true); |
| 642 | /* flag has just turned true the first time */ |
| 643 | CHECK_RATE_CTRS(0, 0, 0); |
| 644 | ADD_MILLISECS(9); |
| 645 | /* flag has been true for 0.009s */ |
| 646 | CHECK_RATE_CTRS(1, 0, 0); |
| 647 | ADD_MILLISECS(1); |
| 648 | /* flag has been true for 0.010s */ |
| 649 | CHECK_RATE_CTRS(1, 1, 0); |
| 650 | ADD_MILLISECS(90); |
| 651 | /* flag has been true for 0.1s */ |
| 652 | CHECK_RATE_CTRS(1, 1, 1); |
| 653 | |
| 654 | SET_TDEFS(200, 190, 1); |
| 655 | /* gran is changed to 200ms, but still continues until the next scheduled event until the change is picked up. |
| 656 | * For ceil(), it is 1 ms ahead. |
| 657 | * For round(), it is 10 ms ahead. |
| 658 | * For floor(), it is at the next full (previous) gran 100 ms ahead. |
| 659 | * When T_defs change, all internal sums are reset to zero without reporting. |
| 660 | */ |
| 661 | CHECK_RATE_CTRS(1, 1, 1); |
| 662 | ADD_MILLISECS(1); |
| 663 | /* 1ms elapsed: ceil() picks up the T_gran change, starts anew. */ |
| 664 | /* elapsed: ceil 0 ms */ |
| 665 | CHECK_RATE_CTRS(1, 1, 1); |
| 666 | ADD_MILLISECS(1); |
| 667 | /* elapsed: ceil 1 ms */ |
| 668 | /* ceil() increments because flag has been true for more than 1 us after reset */ |
| 669 | CHECK_RATE_CTRS(2, 1, 1); |
| 670 | ADD_MILLISECS(8); |
| 671 | /* 10 ms elapsed: round() picks up the T_gran change, starts anew */ |
| 672 | /* elapsed: ceil 9 ms, round 0 ms */ |
| 673 | CHECK_RATE_CTRS(2, 1, 1); |
| 674 | ADD_MILLISECS(90); |
| 675 | /* 100 ms elapsed: floor() picks up the T_gran change, starts anew */ |
| 676 | /* elapsed: ceil 99 ms, round 90 ms, floor 0 ms */ |
| 677 | CHECK_RATE_CTRS(2, 1, 1); |
| 678 | ADD_MILLISECS(99); |
| 679 | /* elapsed: ceil 198 ms, round 189 ms, floor 99 ms */ |
| 680 | CHECK_RATE_CTRS(2, 1, 1); |
| 681 | ADD_MILLISECS(1); |
| 682 | /* elapsed: ceil 199 ms, round 190 ms, floor 100 ms */ |
| 683 | CHECK_RATE_CTRS(2, 2, 1); |
| 684 | ADD_MILLISECS(1); |
| 685 | /* elapsed: ceil 200 ms, round 191 ms, floor 101 ms */ |
| 686 | CHECK_RATE_CTRS(2, 2, 1); |
| 687 | ADD_MILLISECS(1); |
| 688 | /* elapsed: ceil 201 ms, round 192 ms, floor 102 ms */ |
| 689 | CHECK_RATE_CTRS(3, 2, 1); |
| 690 | ADD_MILLISECS(98); |
| 691 | /* elapsed: ceil 299 ms, round 290 ms, floor 200 ms */ |
| 692 | CHECK_RATE_CTRS(3, 2, 2); |
| 693 | ADD_MILLISECS(99); |
| 694 | /* elapsed: ceil 398 ms, round 389 ms, floor 299 ms */ |
| 695 | CHECK_RATE_CTRS(3, 2, 2); |
| 696 | ADD_MILLISECS(1); |
| 697 | /* elapsed: ceil 399 ms, round 390 ms, floor 300 ms */ |
| 698 | CHECK_RATE_CTRS(3, 3, 2); |
| 699 | ADD_MILLISECS(1); |
| 700 | /* elapsed: ceil 400 ms, round 391 ms, floor 301 ms */ |
| 701 | CHECK_RATE_CTRS(3, 3, 2); |
| 702 | ADD_MILLISECS(1); |
| 703 | /* elapsed: ceil 401 ms, round 392 ms, floor 302 ms */ |
| 704 | CHECK_RATE_CTRS(4, 3, 2); |
| 705 | ADD_MILLISECS(98); |
| 706 | /* elapsed: ceil 499 ms, round 490 ms, floor 400 ms */ |
| 707 | CHECK_RATE_CTRS(4, 3, 3); |
| 708 | |
| 709 | |
| 710 | SET_TDEFS(100, 0, 0); |
| 711 | /* T_defs change, but they only get picked up upon the next event: |
| 712 | * For ceil(), it is 102 ms ahead. |
| 713 | * For round(), it is 100 ms ahead (thresh is still 190, currently at 90). |
| 714 | * For floor(), it is 200 ms ahead. |
| 715 | * When T_defs change, all internal sums are reset to zero without reporting. |
| 716 | */ |
| 717 | CHECK_RATE_CTRS(4, 3, 3); |
| 718 | ADD_MILLISECS(100); |
| 719 | CHECK_RATE_CTRS(4, 3, 3); |
| 720 | /* round() picks up the new T_defs. Internal sum resets, nothing else happens yet. |
| 721 | * round() schedules the next event 50 ms ahead. */ |
| 722 | ADD_MILLISECS(2); |
| 723 | CHECK_RATE_CTRS(4, 3, 3); |
| 724 | /* ceil() picks up the change, its next event is 1 ms ahead. */ |
| 725 | ADD_MILLISECS(1); |
| 726 | /* ceil: 0.001 |
| 727 | * round: 0.003 |
| 728 | * floor: still 97 ms until it picks up the change */ |
| 729 | CHECK_RATE_CTRS(5, 3, 3); |
| 730 | ADD_MILLISECS(46); |
| 731 | CHECK_RATE_CTRS(5, 3, 3); |
| 732 | ADD_MILLISECS(1); |
| 733 | /* round() has first counter trigger after T_defs change. */ |
| 734 | CHECK_RATE_CTRS(5, 4, 3); |
| 735 | /* ceil: 0.048 |
| 736 | * round: 0.050 |
| 737 | * floor: still 50 ms until it picks up the change */ |
| 738 | ADD_MILLISECS(50); |
| 739 | /* floor() picks up the change. nothing happens yet. */ |
| 740 | /* ceil: 0.098 |
| 741 | * round: 0.100 |
| 742 | * floor: 0.0 */ |
| 743 | ADD_MILLISECS(2); |
| 744 | /* ceil: 0.100 |
| 745 | * round: 0.102 |
| 746 | * floor: 0.002 */ |
| 747 | CHECK_RATE_CTRS(5, 4, 3); |
| 748 | ADD_MILLISECS(1); |
| 749 | /* ceil: 0.101 |
| 750 | * round: 0.103 |
| 751 | * floor: 0.003 */ |
| 752 | CHECK_RATE_CTRS(6, 4, 3); |
| 753 | ADD_MILLISECS(46); |
| 754 | /* ceil: 0.147 |
| 755 | * round: 0.149 |
| 756 | * floor: 0.049 */ |
| 757 | CHECK_RATE_CTRS(6, 4, 3); |
| 758 | ADD_MILLISECS(1); |
| 759 | /* ceil: 0.148 |
| 760 | * round: 0.150 |
| 761 | * floor: 0.050 */ |
| 762 | CHECK_RATE_CTRS(6, 5, 3); |
| 763 | |
| 764 | my_obj_destruct(&my_obj); |
| 765 | rate_ctr_group_reset(my_ctrg); |
| 766 | |
| 767 | return 0; |
| 768 | } |