| 1 | /* This file is part of the Linux Trace Toolkit viewer |
| 2 | * Copyright (C) 2009 Benjamin Poirier <benjamin.poirier@polymtl.ca> |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License Version 2 as |
| 6 | * published by the Free Software Foundation; |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this program; if not, write to the Free Software |
| 15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
| 16 | * MA 02111-1307, USA. |
| 17 | */ |
| 18 | |
| 19 | #define _GNU_SOURCE |
| 20 | |
| 21 | #ifdef HAVE_CONFIG_H |
| 22 | #include <config.h> |
| 23 | #endif |
| 24 | |
| 25 | #include <errno.h> |
| 26 | #include <fcntl.h> |
| 27 | #include <getopt.h> |
| 28 | #include <stdio.h> |
| 29 | #include <stdlib.h> |
| 30 | #include <sys/resource.h> |
| 31 | #include <sys/stat.h> |
| 32 | #include <sys/time.h> |
| 33 | #include <sys/types.h> |
| 34 | #include <sys/stat.h> |
| 35 | #include <unistd.h> |
| 36 | |
| 37 | #include "sync_chain.h" |
| 38 | |
| 39 | |
| 40 | #ifndef g_info |
| 41 | #define g_info(format...) g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, format) |
| 42 | #endif |
| 43 | |
| 44 | |
| 45 | static void timeDiff(struct timeval* const end, const struct timeval* const start); |
| 46 | static void usage(const char* const programName); |
| 47 | static gint gcfCompareAnalysis(gconstpointer a, gconstpointer b); |
| 48 | static void gfAppendAnalysisName(gpointer data, gpointer user_data); |
| 49 | static unsigned int readTraceNb(FILE* testCase); |
| 50 | static void skipCommentLines(FILE* testCase); |
| 51 | static void processEvents(SyncState* const syncState, FILE* testCase); |
| 52 | static void nullLog(const gchar *log_domain, GLogLevelFlags log_level, const |
| 53 | gchar *message, gpointer user_data); |
| 54 | |
| 55 | GQueue processingModules= G_QUEUE_INIT; |
| 56 | GQueue matchingModules= G_QUEUE_INIT; |
| 57 | GQueue analysisModules= G_QUEUE_INIT; |
| 58 | |
| 59 | // time values in test case files will be scaled by this factor |
| 60 | const double freq= 1e9; |
| 61 | |
| 62 | |
| 63 | /* |
| 64 | * Create matching and analysis modules and feed them events read from a text |
| 65 | * file. |
| 66 | * |
| 67 | * Idealy, this would've been a processing module but sync_chain.c and |
| 68 | * ProcessingModule use some LTTV-specific types and functions. Unfortunately, |
| 69 | * there is some code duplication from sync_chain.c |
| 70 | * |
| 71 | */ |
| 72 | int main(int argc, char* argv[]) |
| 73 | { |
| 74 | int c; |
| 75 | extern char* optarg; |
| 76 | extern int optind, opterr, optopt; |
| 77 | bool optionSyncStats= false; |
| 78 | char* optionGraphsDir= NULL; |
| 79 | FILE* testCase= NULL; |
| 80 | |
| 81 | SyncState* syncState; |
| 82 | struct timeval startTime, endTime; |
| 83 | struct rusage startUsage, endUsage; |
| 84 | GList* result; |
| 85 | char* cwd; |
| 86 | FILE* graphsStream; |
| 87 | int graphsFp; |
| 88 | GArray* factors; |
| 89 | |
| 90 | int retval; |
| 91 | |
| 92 | syncState= malloc(sizeof(SyncState)); |
| 93 | |
| 94 | g_assert(g_queue_get_length(&analysisModules) > 0); |
| 95 | syncState->analysisModule= g_queue_peek_head(&analysisModules); |
| 96 | |
| 97 | do |
| 98 | { |
| 99 | int optionIndex= 0; |
| 100 | |
| 101 | static struct option longOptions[]= |
| 102 | { |
| 103 | {"sync-stats", no_argument, 0, 's'}, |
| 104 | {"sync-graphs", optional_argument, 0, 'g'}, |
| 105 | {"sync-analysis", required_argument, 0, 'a'}, |
| 106 | {0, 0, 0, 0} |
| 107 | }; |
| 108 | |
| 109 | c= getopt_long(argc, argv, "sg::a:", longOptions, &optionIndex); |
| 110 | |
| 111 | switch (c) |
| 112 | { |
| 113 | case -1: |
| 114 | case 0: |
| 115 | break; |
| 116 | |
| 117 | case 's': |
| 118 | if (!optionSyncStats) |
| 119 | { |
| 120 | gettimeofday(&startTime, 0); |
| 121 | getrusage(RUSAGE_SELF, &startUsage); |
| 122 | } |
| 123 | optionSyncStats= true; |
| 124 | break; |
| 125 | |
| 126 | case 'g': |
| 127 | if (optarg) |
| 128 | { |
| 129 | printf("xxx:%s\n", optarg); |
| 130 | optionGraphsDir= malloc(strlen(optarg)); |
| 131 | strcpy(optionGraphsDir, optarg); |
| 132 | } |
| 133 | else |
| 134 | { |
| 135 | optionGraphsDir= malloc(20); |
| 136 | retval= snprintf(optionGraphsDir, 20, "graphs-%d", |
| 137 | getpid()); |
| 138 | if (retval > 20 - 1) |
| 139 | { |
| 140 | optionGraphsDir[20 - 1]= '\0'; |
| 141 | } |
| 142 | } |
| 143 | break; |
| 144 | |
| 145 | case 'a': |
| 146 | printf("xxx:%s\n", optarg); |
| 147 | result= g_queue_find_custom(&analysisModules, optarg, |
| 148 | &gcfCompareAnalysis); |
| 149 | if (result != NULL) |
| 150 | { |
| 151 | syncState->analysisModule= (AnalysisModule*) result->data; |
| 152 | } |
| 153 | else |
| 154 | { |
| 155 | g_error("Analysis module '%s' not found", optarg); |
| 156 | } |
| 157 | break; |
| 158 | |
| 159 | case '?': |
| 160 | usage(argv[0]); |
| 161 | abort(); |
| 162 | |
| 163 | default: |
| 164 | g_error("Option parse error"); |
| 165 | } |
| 166 | } while (c != -1); |
| 167 | |
| 168 | if (argc <= optind) |
| 169 | { |
| 170 | fprintf(stderr, "Test file unspecified\n"); |
| 171 | usage(argv[0]); |
| 172 | abort(); |
| 173 | } |
| 174 | |
| 175 | testCase= fopen(argv[optind], "r"); |
| 176 | if (testCase == NULL) |
| 177 | { |
| 178 | g_error(strerror(errno)); |
| 179 | } |
| 180 | |
| 181 | // Initialize data structures |
| 182 | syncState->traceNb= readTraceNb(testCase); |
| 183 | |
| 184 | if (optionSyncStats) |
| 185 | { |
| 186 | syncState->stats= true; |
| 187 | } |
| 188 | else |
| 189 | { |
| 190 | syncState->stats= false; |
| 191 | } |
| 192 | |
| 193 | syncState->graphs= optionGraphsDir; |
| 194 | |
| 195 | if (!optionSyncStats) |
| 196 | { |
| 197 | g_log_set_handler(NULL, G_LOG_LEVEL_DEBUG, nullLog, NULL); |
| 198 | } |
| 199 | |
| 200 | // Identify and initialize matching and analysis modules |
| 201 | syncState->matchingData= NULL; |
| 202 | syncState->analysisData= NULL; |
| 203 | |
| 204 | g_assert(g_queue_get_length(&matchingModules) == 1); |
| 205 | syncState->matchingModule= (MatchingModule*) |
| 206 | g_queue_peek_head(&matchingModules); |
| 207 | |
| 208 | graphsStream= NULL; |
| 209 | if (syncState->graphs) |
| 210 | { |
| 211 | // Create the graph directory right away in case the module initialization |
| 212 | // functions have something to write in it. |
| 213 | cwd= changeToGraphDir(syncState->graphs); |
| 214 | |
| 215 | if (syncState->matchingModule->writeMatchingGraphsPlots != NULL) |
| 216 | { |
| 217 | if ((graphsFp= open("graphs.gnu", O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | |
| 218 | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP | S_IROTH |
| 219 | | S_IWOTH | S_IXOTH)) == -1) |
| 220 | { |
| 221 | g_error(strerror(errno)); |
| 222 | } |
| 223 | if ((graphsStream= fdopen(graphsFp, "w")) == NULL) |
| 224 | { |
| 225 | g_error(strerror(errno)); |
| 226 | } |
| 227 | } |
| 228 | |
| 229 | retval= chdir(cwd); |
| 230 | if (retval == -1) |
| 231 | { |
| 232 | g_error(strerror(errno)); |
| 233 | } |
| 234 | free(cwd); |
| 235 | } |
| 236 | |
| 237 | syncState->matchingModule->initMatching(syncState); |
| 238 | syncState->analysisModule->initAnalysis(syncState); |
| 239 | |
| 240 | // Process traceset |
| 241 | processEvents(syncState, testCase); |
| 242 | |
| 243 | factors= syncState->matchingModule->finalizeMatching(syncState); |
| 244 | |
| 245 | // Write graphs file |
| 246 | if (graphsStream != NULL) |
| 247 | { |
| 248 | unsigned int i, j; |
| 249 | |
| 250 | fprintf(graphsStream, |
| 251 | "#!/usr/bin/gnuplot\n\n" |
| 252 | "#set terminal postscript eps color size 8in,6in\n"); |
| 253 | |
| 254 | // Cover the upper triangular matrix, i is the reference node. |
| 255 | for (i= 0; i < syncState->traceNb; i++) |
| 256 | { |
| 257 | for (j= i + 1; j < syncState->traceNb; j++) |
| 258 | { |
| 259 | long pos; |
| 260 | |
| 261 | fprintf(graphsStream, |
| 262 | "\n#set output \"%03d-%03d.eps\"\n" |
| 263 | "plot \\\n", i, j); |
| 264 | |
| 265 | syncState->matchingModule->writeMatchingGraphsPlots(graphsStream, |
| 266 | syncState, i, j); |
| 267 | |
| 268 | // Remove the ", \\\n" from the last graph plot line |
| 269 | fflush(graphsStream); |
| 270 | pos= ftell(graphsStream); |
| 271 | if (ftruncate(fileno(graphsStream), pos - 4) == -1) |
| 272 | { |
| 273 | g_error(strerror(errno)); |
| 274 | } |
| 275 | if (fseek(graphsStream, 0, SEEK_END) == -1) |
| 276 | { |
| 277 | g_error(strerror(errno)); |
| 278 | } |
| 279 | |
| 280 | fprintf(graphsStream, |
| 281 | "\nset output \"%1$03d-%2$03d.eps\"\n" |
| 282 | "set title \"\"\n" |
| 283 | "set xlabel \"Clock %1$u\"\n" |
| 284 | "set xtics nomirror\n" |
| 285 | "set ylabel \"Clock %2$u\"\n" |
| 286 | "set ytics nomirror\n" |
| 287 | "set x2label \"Clock %1$u (s)\"\n" |
| 288 | "set x2range [GPVAL_X_MIN / %3$.1f : GPVAL_X_MAX / %3$.1f]\n" |
| 289 | "set x2tics\n" |
| 290 | "set y2label \"Clock %2$u (s)\"\n" |
| 291 | "set y2range [GPVAL_Y_MIN / %3$.1f: GPVAL_Y_MAX / %3$.1f]\n" |
| 292 | "set y2tics\n" |
| 293 | "set key inside right bottom\n", i, j, freq); |
| 294 | |
| 295 | syncState->matchingModule->writeMatchingGraphsOptions(graphsStream, |
| 296 | syncState, i, j); |
| 297 | |
| 298 | fprintf(graphsStream, "replot\n\n" |
| 299 | "pause -1\n"); |
| 300 | } |
| 301 | } |
| 302 | |
| 303 | if (fclose(graphsStream) != 0) |
| 304 | { |
| 305 | g_error(strerror(errno)); |
| 306 | } |
| 307 | } |
| 308 | if (optionGraphsDir) |
| 309 | { |
| 310 | free(optionGraphsDir); |
| 311 | } |
| 312 | |
| 313 | if (optionSyncStats && syncState->matchingModule->printMatchingStats != |
| 314 | NULL) |
| 315 | { |
| 316 | unsigned int i; |
| 317 | |
| 318 | syncState->matchingModule->printMatchingStats(syncState); |
| 319 | |
| 320 | printf("Resulting synchronization factors:\n"); |
| 321 | for (i= 0; i < syncState->traceNb; i++) |
| 322 | { |
| 323 | Factors* traceFactors; |
| 324 | |
| 325 | traceFactors= &g_array_index(factors, Factors, i); |
| 326 | printf("\ttrace %u drift= %g offset= %g\n", i, |
| 327 | traceFactors->drift, traceFactors->offset); |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | syncState->matchingModule->destroyMatching(syncState); |
| 332 | syncState->analysisModule->destroyAnalysis(syncState); |
| 333 | |
| 334 | free(syncState); |
| 335 | |
| 336 | if (optionSyncStats) |
| 337 | { |
| 338 | gettimeofday(&endTime, 0); |
| 339 | retval= getrusage(RUSAGE_SELF, &endUsage); |
| 340 | |
| 341 | timeDiff(&endTime, &startTime); |
| 342 | timeDiff(&endUsage.ru_utime, &startUsage.ru_utime); |
| 343 | timeDiff(&endUsage.ru_stime, &startUsage.ru_stime); |
| 344 | |
| 345 | printf("Synchronization time:\n"); |
| 346 | printf("\treal time: %ld.%06ld\n", endTime.tv_sec, endTime.tv_usec); |
| 347 | printf("\tuser time: %ld.%06ld\n", endUsage.ru_utime.tv_sec, |
| 348 | endUsage.ru_utime.tv_usec); |
| 349 | printf("\tsystem time: %ld.%06ld\n", endUsage.ru_stime.tv_sec, |
| 350 | endUsage.ru_stime.tv_usec); |
| 351 | } |
| 352 | |
| 353 | return EXIT_SUCCESS; |
| 354 | } |
| 355 | |
| 356 | |
| 357 | /* |
| 358 | * Print information about program options and arguments. |
| 359 | * |
| 360 | * Args: |
| 361 | * programName: name of the program, as contained in argv[0] for example |
| 362 | */ |
| 363 | static void usage(const char* const programName) |
| 364 | { |
| 365 | GString* analysisModulesNames; |
| 366 | |
| 367 | analysisModulesNames= g_string_new(""); |
| 368 | g_queue_foreach(&analysisModules, &gfAppendAnalysisName, |
| 369 | analysisModulesNames); |
| 370 | // remove the last ", " |
| 371 | g_string_truncate(analysisModulesNames, analysisModulesNames->len - 2); |
| 372 | |
| 373 | printf( |
| 374 | "%s [options] <test file>\n" |
| 375 | "Options:\n" |
| 376 | "\t-s, --sync-stats Print statistics and debug messages\n" |
| 377 | "\t-g, --sync-graphs[=OUPUT_DIR] Generate graphs\n" |
| 378 | "\t-a, --sync-analysis=MODULE_NAME Specify which module to use for analysis\n" |
| 379 | "\t Available modules: %s\n", |
| 380 | programName, analysisModulesNames->str); |
| 381 | |
| 382 | g_string_free(analysisModulesNames, TRUE); |
| 383 | } |
| 384 | |
| 385 | |
| 386 | /* |
| 387 | * Calculate the elapsed time between two timeval values |
| 388 | * |
| 389 | * Args: |
| 390 | * end: end time, result is also stored in this structure |
| 391 | * start: start time |
| 392 | */ |
| 393 | static void timeDiff(struct timeval* const end, const struct timeval* const start) |
| 394 | { |
| 395 | if (end->tv_usec >= start->tv_usec) |
| 396 | { |
| 397 | end->tv_sec-= start->tv_sec; |
| 398 | end->tv_usec-= start->tv_usec; |
| 399 | } |
| 400 | else |
| 401 | { |
| 402 | end->tv_sec= end->tv_sec - start->tv_sec - 1; |
| 403 | end->tv_usec= end->tv_usec - start->tv_usec + 1e6; |
| 404 | } |
| 405 | } |
| 406 | |
| 407 | |
| 408 | /* |
| 409 | * A GCompareFunc for g_slist_find_custom() |
| 410 | * |
| 411 | * Args: |
| 412 | * a: AnalysisModule*, element's data |
| 413 | * b: char*, user data to compare against |
| 414 | * |
| 415 | * Returns: |
| 416 | * 0 if the analysis module a's name is b |
| 417 | */ |
| 418 | static gint gcfCompareAnalysis(gconstpointer a, gconstpointer b) |
| 419 | { |
| 420 | const AnalysisModule* analysisModule; |
| 421 | const char* name; |
| 422 | |
| 423 | analysisModule= (const AnalysisModule*)a; |
| 424 | name= (const char*)b; |
| 425 | |
| 426 | return strncmp(analysisModule->name, name, strlen(analysisModule->name) + |
| 427 | 1); |
| 428 | } |
| 429 | |
| 430 | |
| 431 | /* |
| 432 | * Change to the directory used to hold graphs. Create it if necessary. |
| 433 | * |
| 434 | * Args: |
| 435 | * graph: name of directory |
| 436 | * |
| 437 | * Returns: |
| 438 | * The current working directory before the execution of the function. The |
| 439 | * string must be free'd by the caller. |
| 440 | */ |
| 441 | char* changeToGraphDir(char* const graphs) |
| 442 | { |
| 443 | int retval; |
| 444 | char* cwd; |
| 445 | |
| 446 | cwd= getcwd(NULL, 0); |
| 447 | if (cwd == NULL) |
| 448 | { |
| 449 | g_error(strerror(errno)); |
| 450 | } |
| 451 | while ((retval= chdir(graphs)) != 0) |
| 452 | { |
| 453 | if (errno == ENOENT) |
| 454 | { |
| 455 | retval= mkdir(graphs, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | |
| 456 | S_IWGRP | S_IXGRP | S_IROTH | S_IWOTH | S_IXOTH); |
| 457 | if (retval != 0) |
| 458 | { |
| 459 | g_error(strerror(errno)); |
| 460 | } |
| 461 | } |
| 462 | else |
| 463 | { |
| 464 | g_error(strerror(errno)); |
| 465 | } |
| 466 | } |
| 467 | |
| 468 | return cwd; |
| 469 | } |
| 470 | |
| 471 | |
| 472 | /* |
| 473 | * A GFunc for g_queue_foreach() |
| 474 | * |
| 475 | * Concatenate analysis module names. |
| 476 | * |
| 477 | * Args: |
| 478 | * data: AnalysisModule* |
| 479 | * user_data: GString*, concatenated names |
| 480 | */ |
| 481 | static void gfAppendAnalysisName(gpointer data, gpointer user_data) |
| 482 | { |
| 483 | g_string_append((GString*) user_data, ((AnalysisModule*) data)->name); |
| 484 | g_string_append((GString*) user_data, ", "); |
| 485 | } |
| 486 | |
| 487 | |
| 488 | /* |
| 489 | * Read trace number from the test case stream. The trace number should be the |
| 490 | * first non-comment line and should be an unsigned int by itself on a line. |
| 491 | * |
| 492 | * Args: |
| 493 | * testCase: test case stream |
| 494 | * |
| 495 | * Returns: |
| 496 | * The trace number |
| 497 | */ |
| 498 | static unsigned int readTraceNb(FILE* testCase) |
| 499 | { |
| 500 | unsigned int result; |
| 501 | int retval; |
| 502 | char* line= NULL; |
| 503 | size_t len; |
| 504 | char tmp; |
| 505 | |
| 506 | skipCommentLines(testCase); |
| 507 | retval= getline(&line, &len, testCase); |
| 508 | if (retval == -1) |
| 509 | { |
| 510 | if (feof(testCase)) |
| 511 | { |
| 512 | g_error("Unexpected end of file while looking for number of traces"); |
| 513 | } |
| 514 | else |
| 515 | { |
| 516 | g_error(strerror(errno)); |
| 517 | } |
| 518 | } |
| 519 | if (line[retval - 1] == '\n') |
| 520 | { |
| 521 | line[retval - 1]= '\0'; |
| 522 | } |
| 523 | |
| 524 | retval= sscanf(line, " %u %c", &result, &tmp); |
| 525 | if (retval == EOF || retval != 1) |
| 526 | { |
| 527 | g_error("Error parsing test file while looking for number of traces, line was '%s'", line); |
| 528 | |
| 529 | // Not really needed but avoids warning from gcc |
| 530 | abort(); |
| 531 | } |
| 532 | |
| 533 | return result; |
| 534 | } |
| 535 | |
| 536 | |
| 537 | /* |
| 538 | * Advance testCase stream over empty space, empty lines and lines that begin |
| 539 | * with '#' |
| 540 | * |
| 541 | * Args: |
| 542 | * testCase: test case stream |
| 543 | */ |
| 544 | static void skipCommentLines(FILE* testCase) |
| 545 | { |
| 546 | int firstChar; |
| 547 | ssize_t retval; |
| 548 | char* line= NULL; |
| 549 | size_t len; |
| 550 | |
| 551 | do |
| 552 | { |
| 553 | firstChar= fgetc(testCase); |
| 554 | if (firstChar == (int) '#') |
| 555 | { |
| 556 | retval= getline(&line, &len, testCase); |
| 557 | if (retval == -1) |
| 558 | { |
| 559 | if (feof(testCase)) |
| 560 | { |
| 561 | goto outEof; |
| 562 | } |
| 563 | else |
| 564 | { |
| 565 | g_error(strerror(errno)); |
| 566 | } |
| 567 | } |
| 568 | } |
| 569 | else if (firstChar == (int) '\n' || firstChar == (int) ' ') |
| 570 | {} |
| 571 | else if (firstChar == EOF) |
| 572 | { |
| 573 | goto outEof; |
| 574 | } |
| 575 | else |
| 576 | { |
| 577 | break; |
| 578 | } |
| 579 | } while (true); |
| 580 | retval= ungetc(firstChar, testCase); |
| 581 | if (retval == EOF) |
| 582 | { |
| 583 | g_error("Error: ungetc()"); |
| 584 | } |
| 585 | |
| 586 | outEof: |
| 587 | if (line) |
| 588 | { |
| 589 | free(line); |
| 590 | } |
| 591 | } |
| 592 | |
| 593 | |
| 594 | /* |
| 595 | * Make up events from the messages in the test case. Dispatch those events to |
| 596 | * the matching module. |
| 597 | */ |
| 598 | static void processEvents(SyncState* const syncState, FILE* testCase) |
| 599 | { |
| 600 | char* line= NULL; |
| 601 | size_t len; |
| 602 | int retval; |
| 603 | unsigned int addressOffset; |
| 604 | unsigned int* seq; |
| 605 | |
| 606 | // Trace numbers run from 0 to traceNb - 1. addressOffset is added to a |
| 607 | // traceNum to convert it to an address. |
| 608 | addressOffset= pow(10, floor(log(syncState->traceNb - 1) / log(10)) + 1); |
| 609 | |
| 610 | seq= calloc(syncState->traceNb, sizeof(unsigned int)); |
| 611 | |
| 612 | skipCommentLines(testCase); |
| 613 | retval= getline(&line, &len, testCase); |
| 614 | while(!feof(testCase)) |
| 615 | { |
| 616 | unsigned int sender, receiver; |
| 617 | double sendTime, recvTime; |
| 618 | char tmp; |
| 619 | Event* event; |
| 620 | |
| 621 | if (retval == -1 && !feof(testCase)) |
| 622 | { |
| 623 | g_error(strerror(errno)); |
| 624 | } |
| 625 | |
| 626 | if (line[len - 1] == '\n') |
| 627 | { |
| 628 | line[len - 1]= '\0'; |
| 629 | } |
| 630 | |
| 631 | retval= sscanf(line, " %u %u %lf %lf %c", &sender, &receiver, |
| 632 | &sendTime, &recvTime, &tmp); |
| 633 | if (retval == EOF) |
| 634 | { |
| 635 | g_error(strerror(errno)); |
| 636 | } |
| 637 | else if (retval != 4) |
| 638 | { |
| 639 | g_error("Error parsing test file while looking for data point, line was '%s'", line); |
| 640 | } |
| 641 | |
| 642 | if (sender + 1 > syncState->traceNb) |
| 643 | { |
| 644 | g_error("Error parsing test file, sender is out of range, line was '%s'", line); |
| 645 | } |
| 646 | |
| 647 | if (receiver + 1 > syncState->traceNb) |
| 648 | { |
| 649 | g_error("Error parsing test file, receiver is out of range, line was '%s'", line); |
| 650 | } |
| 651 | |
| 652 | // Output event |
| 653 | event= malloc(sizeof(Event)); |
| 654 | event->traceNum= sender; |
| 655 | event->time= round(sendTime * freq); |
| 656 | event->type= TCP; |
| 657 | event->destroy= &destroyTCPEvent; |
| 658 | event->event.tcpEvent= malloc(sizeof(TCPEvent)); |
| 659 | event->event.tcpEvent->direction= OUT; |
| 660 | event->event.tcpEvent->segmentKey= malloc(sizeof(SegmentKey)); |
| 661 | event->event.tcpEvent->segmentKey->ihl= 5; |
| 662 | event->event.tcpEvent->segmentKey->tot_len= 40; |
| 663 | event->event.tcpEvent->segmentKey->connectionKey.saddr= sender + addressOffset; |
| 664 | event->event.tcpEvent->segmentKey->connectionKey.daddr= receiver + addressOffset; |
| 665 | event->event.tcpEvent->segmentKey->connectionKey.source= 57645; |
| 666 | event->event.tcpEvent->segmentKey->connectionKey.dest= 80; |
| 667 | event->event.tcpEvent->segmentKey->seq= seq[sender]; |
| 668 | event->event.tcpEvent->segmentKey->ack_seq= 0; |
| 669 | event->event.tcpEvent->segmentKey->doff= 5; |
| 670 | event->event.tcpEvent->segmentKey->ack= 0; |
| 671 | event->event.tcpEvent->segmentKey->rst= 0; |
| 672 | event->event.tcpEvent->segmentKey->syn= 1; |
| 673 | event->event.tcpEvent->segmentKey->fin= 0; |
| 674 | |
| 675 | syncState->matchingModule->matchEvent(syncState, event); |
| 676 | |
| 677 | // Input event |
| 678 | event= malloc(sizeof(Event)); |
| 679 | event->traceNum= receiver; |
| 680 | event->time= round(recvTime * freq); |
| 681 | event->type= TCP; |
| 682 | event->destroy= &destroyTCPEvent; |
| 683 | event->event.tcpEvent= malloc(sizeof(TCPEvent)); |
| 684 | event->event.tcpEvent->direction= IN; |
| 685 | event->event.tcpEvent->segmentKey= malloc(sizeof(SegmentKey)); |
| 686 | event->event.tcpEvent->segmentKey->ihl= 5; |
| 687 | event->event.tcpEvent->segmentKey->tot_len= 40; |
| 688 | event->event.tcpEvent->segmentKey->connectionKey.saddr= sender + addressOffset; |
| 689 | event->event.tcpEvent->segmentKey->connectionKey.daddr= receiver + addressOffset; |
| 690 | event->event.tcpEvent->segmentKey->connectionKey.source= 57645; |
| 691 | event->event.tcpEvent->segmentKey->connectionKey.dest= 80; |
| 692 | event->event.tcpEvent->segmentKey->seq= seq[sender]; |
| 693 | event->event.tcpEvent->segmentKey->ack_seq= 0; |
| 694 | event->event.tcpEvent->segmentKey->doff= 5; |
| 695 | event->event.tcpEvent->segmentKey->ack= 0; |
| 696 | event->event.tcpEvent->segmentKey->rst= 0; |
| 697 | event->event.tcpEvent->segmentKey->syn= 1; |
| 698 | event->event.tcpEvent->segmentKey->fin= 0; |
| 699 | |
| 700 | syncState->matchingModule->matchEvent(syncState, event); |
| 701 | |
| 702 | seq[sender]++; |
| 703 | |
| 704 | skipCommentLines(testCase); |
| 705 | retval= getline(&line, &len, testCase); |
| 706 | } |
| 707 | |
| 708 | free(seq); |
| 709 | |
| 710 | if (line) |
| 711 | { |
| 712 | free(line); |
| 713 | } |
| 714 | } |
| 715 | |
| 716 | |
| 717 | /* |
| 718 | * A Glib log function which does nothing. |
| 719 | */ |
| 720 | static void nullLog(const gchar *log_domain, GLogLevelFlags log_level, const |
| 721 | gchar *message, gpointer user_data) |
| 722 | {} |