| 1 | /* |
| 2 | * CDDL HEADER START |
| 3 | * |
| 4 | * The contents of this file are subject to the terms |
| 5 | * of the Common Development and Distribution License |
| 6 | * (the "License"). You may not use this file except |
| 7 | * in compliance with the License. |
| 8 | * |
| 9 | * You can obtain a copy of the license at |
| 10 | * src/OPENSOLARIS.LICENSE |
| 11 | * or http://www.opensolaris.org/os/licensing. |
| 12 | * See the License for the specific language governing |
| 13 | * permissions and limitations under the License. |
| 14 | * |
| 15 | * When distributing Covered Code, include this CDDL |
| 16 | * HEADER in each file and include the License file at |
| 17 | * usr/src/OPENSOLARIS.LICENSE. If applicable, |
| 18 | * add the following below this CDDL HEADER, with the |
| 19 | * fields enclosed by brackets "[]" replaced with your |
| 20 | * own identifying information: Portions Copyright [yyyy] |
| 21 | * [name of copyright owner] |
| 22 | * |
| 23 | * CDDL HEADER END |
| 24 | */ |
| 25 | |
| 26 | /* |
| 27 | * Copyright 2007 Sun Microsystems, Inc. All rights reserved. |
| 28 | * Use is subject to license terms. |
| 29 | */ |
| 30 | |
| 31 | #include <sys/types.h> |
| 32 | #include <sys/stat.h> |
| 33 | #include <sys/wait.h> |
| 34 | #include <sys/socket.h> |
| 35 | #include <netinet/in.h> |
| 36 | #include <netinet/tcp.h> |
| 37 | #include <arpa/inet.h> |
| 38 | #include <netdb.h> |
| 39 | #include <pthread.h> |
| 40 | #include <signal.h> |
| 41 | #include <string.h> |
| 42 | #include <unistd.h> |
| 43 | #include <stdlib.h> |
| 44 | #include <stdio.h> |
| 45 | #include <fcntl.h> |
| 46 | #include <errno.h> |
| 47 | |
| 48 | #include "libmicro.h" |
| 49 | |
| 50 | typedef struct { |
| 51 | int ts_once; |
| 52 | pid_t ts_child; |
| 53 | pthread_t ts_thread; |
| 54 | int ts_in; |
| 55 | int ts_out; |
| 56 | int ts_in2; |
| 57 | int ts_out2; |
| 58 | int ts_lsn; |
| 59 | struct sockaddr_in ts_add; |
| 60 | } tsd_t; |
| 61 | |
| 62 | #define FIRSTPORT 12345 |
| 63 | |
| 64 | static char *modes[] = {"st", "mt", "mp", NULL}; |
| 65 | #define MD_SINGLE 0 |
| 66 | #define MD_MULTITHREAD 1 |
| 67 | #define MD_MULTIPROCESS 2 |
| 68 | |
| 69 | static char *xports[] = {"pipe", "fifo", "sock", "tcp", |
| 70 | NULL}; |
| 71 | #define XP_PIPES 0 |
| 72 | #define XP_FIFOS 1 |
| 73 | #define XP_SOCKETPAIR 2 |
| 74 | #define XP_LOCALTCP 3 |
| 75 | |
| 76 | #define DEFM MD_SINGLE |
| 77 | #define DEFS 1024 |
| 78 | #define DEFX XP_PIPES |
| 79 | |
| 80 | static int optm = DEFM; |
| 81 | static size_t opts = DEFS; |
| 82 | static int optx = DEFX; |
| 83 | static void *rbuf = NULL; |
| 84 | static void *wbuf = NULL; |
| 85 | |
| 86 | int readall(int s, void *buf, size_t len); |
| 87 | void *loopback(void *arg); |
| 88 | int prepare_pipes(tsd_t *tsd); |
| 89 | int prepare_fifos(tsd_t *tsd); |
| 90 | int cleanup_fifos(tsd_t *tsd); |
| 91 | int prepare_socketpair(tsd_t *tsd); |
| 92 | int prepare_localtcp(tsd_t *tsd); |
| 93 | int prepare_localtcp_once(tsd_t *tsd); |
| 94 | char *lookupa(int x, char *names[]); |
| 95 | int lookup(char *x, char *names[]); |
| 96 | |
| 97 | int |
| 98 | benchmark_init() |
| 99 | { |
| 100 | lm_tsdsize = sizeof (tsd_t); |
| 101 | |
| 102 | (void) sprintf(lm_optstr, "m:s:x:"); |
| 103 | |
| 104 | (void) sprintf(lm_usage, |
| 105 | " [-m mode (st|mt|mp, default %s)]\n" |
| 106 | " [-s buffer-size (default %d)]\n" |
| 107 | " [-x transport (pipe|fifo|sock|tcp, default %s)]\n" |
| 108 | "notes: measures write()/read() across various transports\n", |
| 109 | lookupa(DEFM, modes), DEFS, lookupa(DEFX, xports)); |
| 110 | |
| 111 | (void) sprintf(lm_header, "%2s %4s", "md", "xprt"); |
| 112 | |
| 113 | return (0); |
| 114 | } |
| 115 | |
| 116 | int |
| 117 | benchmark_optswitch(int opt, char *optarg) |
| 118 | { |
| 119 | int x; |
| 120 | |
| 121 | switch (opt) { |
| 122 | case 'm': |
| 123 | x = lookup(optarg, modes); |
| 124 | if (x == -1) |
| 125 | return (-1); |
| 126 | optm = x; |
| 127 | break; |
| 128 | case 's': |
| 129 | opts = sizetoll(optarg); |
| 130 | break; |
| 131 | case 'x': |
| 132 | x = lookup(optarg, xports); |
| 133 | if (x == -1) |
| 134 | return (-1); |
| 135 | optx = x; |
| 136 | break; |
| 137 | default: |
| 138 | return (-1); |
| 139 | } |
| 140 | return (0); |
| 141 | } |
| 142 | |
| 143 | int |
| 144 | benchmark_initrun() |
| 145 | { |
| 146 | if (optx == XP_FIFOS) { |
| 147 | if (geteuid() != 0) { |
| 148 | (void) printf("sorry, must be root to create fifos\n"); |
| 149 | exit(1); |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | (void) setfdlimit(4 * lm_optT + 10); |
| 154 | |
| 155 | rbuf = malloc(opts); |
| 156 | wbuf = malloc(opts); |
| 157 | |
| 158 | return (0); |
| 159 | } |
| 160 | |
| 161 | int |
| 162 | benchmark_initbatch(void *tsd) |
| 163 | { |
| 164 | tsd_t *ts = (tsd_t *)tsd; |
| 165 | int result; |
| 166 | pid_t pid; |
| 167 | |
| 168 | switch (optx) { |
| 169 | case XP_SOCKETPAIR: |
| 170 | result = prepare_socketpair(ts); |
| 171 | break; |
| 172 | case XP_LOCALTCP: |
| 173 | result = prepare_localtcp(ts); |
| 174 | break; |
| 175 | case XP_FIFOS: |
| 176 | result = prepare_fifos(ts); |
| 177 | break; |
| 178 | case XP_PIPES: |
| 179 | default: |
| 180 | result = prepare_pipes(ts); |
| 181 | break; |
| 182 | } |
| 183 | if (result == -1) { |
| 184 | return (1); |
| 185 | } |
| 186 | |
| 187 | switch (optm) { |
| 188 | case MD_MULTITHREAD: |
| 189 | result = pthread_create(&ts->ts_thread, NULL, loopback, tsd); |
| 190 | if (result == -1) { |
| 191 | return (1); |
| 192 | } |
| 193 | break; |
| 194 | case MD_MULTIPROCESS: |
| 195 | pid = fork(); |
| 196 | switch (pid) { |
| 197 | case 0: |
| 198 | (void) loopback(tsd); |
| 199 | exit(0); |
| 200 | break; |
| 201 | case -1: |
| 202 | return (-1); |
| 203 | default: |
| 204 | ts->ts_child = pid; |
| 205 | break; |
| 206 | } |
| 207 | break; |
| 208 | case MD_SINGLE: |
| 209 | default: |
| 210 | break; |
| 211 | } |
| 212 | |
| 213 | /* Prime the loopback */ |
| 214 | if (write(ts->ts_out, wbuf, opts) != opts) { |
| 215 | return (1); |
| 216 | } |
| 217 | if (readall(ts->ts_in, rbuf, opts) != opts) { |
| 218 | return (1); |
| 219 | } |
| 220 | |
| 221 | return (0); |
| 222 | } |
| 223 | |
| 224 | int |
| 225 | benchmark(void *tsd, result_t *res) |
| 226 | { |
| 227 | tsd_t *ts = (tsd_t *)tsd; |
| 228 | int i; |
| 229 | int n; |
| 230 | |
| 231 | for (i = 0; i < lm_optB; i++) { |
| 232 | if (write(ts->ts_out, wbuf, opts) != opts) { |
| 233 | res->re_errors++; |
| 234 | continue; |
| 235 | } |
| 236 | |
| 237 | n = readall(ts->ts_in, rbuf, opts); |
| 238 | if (n == -1) { |
| 239 | res->re_errors++; |
| 240 | continue; |
| 241 | } |
| 242 | } |
| 243 | res->re_count = i; |
| 244 | |
| 245 | return (0); |
| 246 | } |
| 247 | |
| 248 | int |
| 249 | benchmark_finibatch(void *tsd) |
| 250 | { |
| 251 | tsd_t *ts = (tsd_t *)tsd; |
| 252 | |
| 253 | /* Terminate the loopback */ |
| 254 | (void) write(ts->ts_out, wbuf, opts); |
| 255 | (void) readall(ts->ts_in, rbuf, opts); |
| 256 | |
| 257 | switch (optm) { |
| 258 | case MD_MULTITHREAD: |
| 259 | (void) close(ts->ts_in2); |
| 260 | (void) close(ts->ts_out2); |
| 261 | (void) pthread_join(ts->ts_thread, NULL); |
| 262 | break; |
| 263 | case MD_MULTIPROCESS: |
| 264 | (void) close(ts->ts_in2); |
| 265 | (void) close(ts->ts_out2); |
| 266 | (void) waitpid(ts->ts_child, NULL, 0); |
| 267 | break; |
| 268 | case MD_SINGLE: |
| 269 | default: |
| 270 | break; |
| 271 | } |
| 272 | |
| 273 | (void) close(ts->ts_in); |
| 274 | (void) close(ts->ts_out); |
| 275 | |
| 276 | if (optx == XP_FIFOS) { |
| 277 | (void) cleanup_fifos(ts); |
| 278 | } |
| 279 | |
| 280 | return (0); |
| 281 | } |
| 282 | |
| 283 | char * |
| 284 | benchmark_result() |
| 285 | { |
| 286 | static char result[256]; |
| 287 | |
| 288 | (void) sprintf(result, "%2s %4s", |
| 289 | lookupa(optm, modes), lookupa(optx, xports)); |
| 290 | |
| 291 | return (result); |
| 292 | } |
| 293 | |
| 294 | int |
| 295 | readall(int s, void *buf, size_t len) |
| 296 | { |
| 297 | size_t n; |
| 298 | size_t total = 0; |
| 299 | |
| 300 | for (;;) { |
| 301 | n = read(s, (void *)((long)buf + total), len - total); |
| 302 | if (n < 1) { |
| 303 | return (-1); |
| 304 | } |
| 305 | total += n; |
| 306 | if (total >= len) { |
| 307 | return (total); |
| 308 | } |
| 309 | } |
| 310 | } |
| 311 | |
| 312 | void * |
| 313 | loopback(void *arg) |
| 314 | { |
| 315 | tsd_t *ts = (tsd_t *)arg; |
| 316 | int i, n, m; |
| 317 | |
| 318 | /* Include priming and termination */ |
| 319 | m = lm_optB + 2; |
| 320 | |
| 321 | for (i = 0; i < m; i++) { |
| 322 | n = readall(ts->ts_in2, rbuf, opts); |
| 323 | if (n == -1) { |
| 324 | break; |
| 325 | } |
| 326 | if (write(ts->ts_out2, wbuf, opts) != opts) { |
| 327 | break; |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | return (NULL); |
| 332 | } |
| 333 | |
| 334 | int |
| 335 | prepare_localtcp_once(tsd_t *ts) |
| 336 | { |
| 337 | int j; |
| 338 | int opt = 1; |
| 339 | struct hostent *host; |
| 340 | |
| 341 | j = FIRSTPORT; |
| 342 | |
| 343 | ts->ts_lsn = socket(AF_INET, SOCK_STREAM, 0); |
| 344 | if (ts->ts_lsn == -1) { |
| 345 | return (-1); |
| 346 | } |
| 347 | |
| 348 | if (setsockopt(ts->ts_lsn, SOL_SOCKET, SO_REUSEADDR, |
| 349 | &opt, sizeof (int)) == -1) { |
| 350 | return (-1); |
| 351 | } |
| 352 | |
| 353 | if ((host = gethostbyname("localhost")) == NULL) { |
| 354 | return (-1); |
| 355 | } |
| 356 | |
| 357 | for (;;) { |
| 358 | (void) memset(&ts->ts_add, 0, |
| 359 | sizeof (struct sockaddr_in)); |
| 360 | ts->ts_add.sin_family = AF_INET; |
| 361 | ts->ts_add.sin_port = htons(j++); |
| 362 | (void) memcpy(&ts->ts_add.sin_addr.s_addr, |
| 363 | host->h_addr_list[0], sizeof (struct in_addr)); |
| 364 | |
| 365 | if (bind(ts->ts_lsn, |
| 366 | (struct sockaddr *)&ts->ts_add, |
| 367 | sizeof (struct sockaddr_in)) == 0) { |
| 368 | break; |
| 369 | } |
| 370 | |
| 371 | if (errno != EADDRINUSE) { |
| 372 | return (-1); |
| 373 | } |
| 374 | } |
| 375 | |
| 376 | if (listen(ts->ts_lsn, 5) == -1) { |
| 377 | return (-1); |
| 378 | } |
| 379 | |
| 380 | return (0); |
| 381 | } |
| 382 | |
| 383 | int |
| 384 | prepare_localtcp(tsd_t *ts) |
| 385 | { |
| 386 | int result; |
| 387 | struct sockaddr_in addr; |
| 388 | int opt = 1; |
| 389 | socklen_t size; |
| 390 | |
| 391 | if (ts->ts_once++ == 0) { |
| 392 | if (prepare_localtcp_once(ts) == -1) { |
| 393 | return (-1); |
| 394 | } |
| 395 | } |
| 396 | |
| 397 | ts->ts_out = socket(AF_INET, SOCK_STREAM, 0); |
| 398 | if (ts->ts_out == -1) { |
| 399 | return (-1); |
| 400 | } |
| 401 | |
| 402 | if (fcntl(ts->ts_out, F_SETFL, O_NDELAY) == -1) { |
| 403 | return (-1); |
| 404 | } |
| 405 | |
| 406 | result = connect(ts->ts_out, (struct sockaddr *)&ts->ts_add, |
| 407 | sizeof (struct sockaddr_in)); |
| 408 | if ((result == -1) && (errno != EINPROGRESS)) { |
| 409 | return (-1); |
| 410 | } |
| 411 | |
| 412 | if (fcntl(ts->ts_out, F_SETFL, 0) == -1) { |
| 413 | return (-1); |
| 414 | } |
| 415 | |
| 416 | size = sizeof (struct sockaddr); |
| 417 | result = accept(ts->ts_lsn, (struct sockaddr *)&addr, &size); |
| 418 | if (result == -1) { |
| 419 | return (-1); |
| 420 | } |
| 421 | ts->ts_out2 = result; |
| 422 | |
| 423 | if (setsockopt(ts->ts_out, IPPROTO_TCP, TCP_NODELAY, |
| 424 | &opt, sizeof (int)) == -1) { |
| 425 | return (-1); |
| 426 | } |
| 427 | |
| 428 | if (setsockopt(ts->ts_out2, IPPROTO_TCP, TCP_NODELAY, |
| 429 | &opt, sizeof (int)) == -1) { |
| 430 | return (-1); |
| 431 | } |
| 432 | |
| 433 | if (optm == MD_SINGLE) { |
| 434 | ts->ts_in = ts->ts_out2; |
| 435 | } else { |
| 436 | ts->ts_in = ts->ts_out; |
| 437 | ts->ts_in2 = ts->ts_out2; |
| 438 | } |
| 439 | |
| 440 | return (0); |
| 441 | } |
| 442 | |
| 443 | int |
| 444 | prepare_socketpair(tsd_t *ts) |
| 445 | { |
| 446 | int s[2]; |
| 447 | |
| 448 | if (socketpair(PF_UNIX, SOCK_STREAM, 0, s) == -1) { |
| 449 | return (-1); |
| 450 | } |
| 451 | |
| 452 | if (optm == MD_SINGLE) { |
| 453 | ts->ts_in = s[0]; |
| 454 | ts->ts_out = s[1]; |
| 455 | } else { |
| 456 | ts->ts_in = s[0]; |
| 457 | ts->ts_out = s[0]; |
| 458 | ts->ts_in2 = s[1]; |
| 459 | ts->ts_out2 = s[1]; |
| 460 | } |
| 461 | |
| 462 | return (0); |
| 463 | } |
| 464 | |
| 465 | int |
| 466 | prepare_fifos(tsd_t *ts) |
| 467 | { |
| 468 | char path[64]; |
| 469 | |
| 470 | (void) sprintf(path, "/private/tmp/pipe_%ld.%dA", |
| 471 | getpid(), pthread_self()); |
| 472 | if (mknod(path, 0600, S_IFIFO) == -1) { |
| 473 | return (-1); |
| 474 | } |
| 475 | |
| 476 | if (optm == MD_SINGLE) { |
| 477 | ts->ts_in = open(path, O_RDONLY); |
| 478 | ts->ts_out = open(path, O_WRONLY); |
| 479 | } else { |
| 480 | ts->ts_in = open(path, O_RDONLY); |
| 481 | ts->ts_out2 = open(path, O_WRONLY); |
| 482 | |
| 483 | (void) sprintf(path, "/private/tmp/pipe_%ld.%dB", |
| 484 | getpid(), pthread_self()); |
| 485 | if (mknod(path, 0600, S_IFIFO) == -1) { |
| 486 | return (-1); |
| 487 | } |
| 488 | |
| 489 | ts->ts_in2 = open(path, O_RDONLY); |
| 490 | ts->ts_out = open(path, O_WRONLY); |
| 491 | } |
| 492 | |
| 493 | return (0); |
| 494 | } |
| 495 | |
| 496 | /*ARGSUSED*/ |
| 497 | int |
| 498 | cleanup_fifos(tsd_t *ts) |
| 499 | { |
| 500 | char path[64]; |
| 501 | |
| 502 | (void) sprintf(path, "/private/tmp/pipe_%ld.%dA", getpid(), pthread_self()); |
| 503 | (void) unlink(path); |
| 504 | (void) sprintf(path, "/private/tmp/pipe_%ld.%dB", getpid(), pthread_self()); |
| 505 | (void) unlink(path); |
| 506 | |
| 507 | return (0); |
| 508 | } |
| 509 | |
| 510 | int |
| 511 | prepare_pipes(tsd_t *ts) |
| 512 | { |
| 513 | int p[2]; |
| 514 | |
| 515 | if (optm == MD_SINGLE) { |
| 516 | if (pipe(p) == -1) { |
| 517 | return (-1); |
| 518 | } |
| 519 | ts->ts_in = p[0]; |
| 520 | ts->ts_out = p[1]; |
| 521 | |
| 522 | } else { |
| 523 | if (pipe(p) == -1) { |
| 524 | return (-1); |
| 525 | } |
| 526 | ts->ts_in = p[0]; |
| 527 | ts->ts_out2 = p[1]; |
| 528 | |
| 529 | if (pipe(p) == -1) { |
| 530 | return (-1); |
| 531 | } |
| 532 | ts->ts_in2 = p[0]; |
| 533 | ts->ts_out = p[1]; |
| 534 | } |
| 535 | |
| 536 | return (0); |
| 537 | } |
| 538 | |
| 539 | char * |
| 540 | lookupa(int x, char *names[]) |
| 541 | { |
| 542 | int i = 0; |
| 543 | |
| 544 | while (names[i] != NULL) { |
| 545 | if (x == i) { |
| 546 | return (names[i]); |
| 547 | } |
| 548 | i++; |
| 549 | } |
| 550 | return (NULL); |
| 551 | } |
| 552 | |
| 553 | int |
| 554 | lookup(char *x, char *names[]) |
| 555 | { |
| 556 | int i = 0; |
| 557 | |
| 558 | while (names[i] != NULL) { |
| 559 | if (strcmp(names[i], x) == 0) { |
| 560 | return (i); |
| 561 | } |
| 562 | i++; |
| 563 | } |
| 564 | return (-1); |
| 565 | } |