DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Untracked file

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.0 (the "NPL"); you may not use this file except in
 * compliance with the NPL.  You may obtain a copy of the NPL at
 * http://www.mozilla.org/NPL/
 *
 * Software distributed under the NPL is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
 * for the specific language governing rights and limitations under the
 * NPL.
 *
 * The Initial Developer of this code under the NPL is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
 * Reserved.
 */

/* use sequental numbers printed to strings
 * to store lots and lots of entries in the
 * database.
 *
 * Start with 100 entries, put them and then
 * read them out.  Then delete the first
 * half and verify that all of the first half
 * is gone and then verify that the second
 * half is still there.
 * Then add the first half back and verify
 * again.  Then delete the middle third
 * and verify again.
 * Then increase the size by 1000 and do
 * the whole add delete thing again.
 *
 * The data for each object is the number string translated
 * to hex and replicated a random number of times.  The
 * number of times that the data is replicated is the first
 * int32 in the data.
 */

#include <stdio.h> 
#include <stdlib.h>
#ifdef STDARG
#include <stdarg.h>
#else
#include <varargs.h>
#endif
#include <memory.h>
#include <string.h>
#include <assert.h>
#include "mcom_db.h"

DB *database=0;
int MsgPriority=5;

#if defined(_WINDOWS) && !defined(WIN32)
#define int32 long
#define uint32 unsigned long
#else
#define int32 int
#define uint32 unsigned int
#endif

typedef enum {
USE_LARGE_KEY,
USE_SMALL_KEY
} key_type_enum;

#define TraceMe(priority, msg) 		\
	do {							\
		if(priority <= MsgPriority)	\
		  {							\
			ReportStatus msg;		\
		  }							\
	} while(0)

int
ReportStatus(char *string, ...)
{
    va_list args;

#ifdef STDARG
    va_start(args, string);
#else
    va_start(args);
#endif
    vfprintf(stderr, string, args);
    va_end(args);

	fprintf (stderr, "\n");

	return(0);
}

int
ReportError(char *string, ...)
{
    va_list args;

#ifdef STDARG
    va_start(args, string);
#else
    va_start(args);
#endif
	fprintf (stderr, "\n	");
    vfprintf(stderr, string, args);
	fprintf (stderr, "\n");
    va_end(args);

	return(0);
}

DBT * MakeLargeKey(int32 num)
{
	int32 low_bits;
	static DBT rv;
	static char *string_rv=0;
	int rep_char;
	int32 size;

	if(string_rv)
		free(string_rv);

	/* generate a really large text key derived from
	 * an int32
	 */
	low_bits = (num % 10000) + 1;

	/* get the repeat char from the low 26 */
	rep_char = (char) ((low_bits % 26) + 'a');

	/* malloc a string low_bits wide */
	size = low_bits*sizeof(char);
	string_rv = (char *)malloc(size);

	memset(string_rv, rep_char, size);

	rv.data = string_rv;
	rv.size = size;

	return(&rv);
}

DBT * MakeSmallKey(int32 num)
{
	static DBT rv;
	static char data_string[64];

	rv.data = data_string;

	sprintf(data_string, "%ld", num);
	rv.size = strlen(data_string);

	return(&rv);

}

DBT * GenKey(int32 num, key_type_enum key_type)
{
	DBT *key;

	switch(key_type)
	  {
		case USE_LARGE_KEY:
			key = MakeLargeKey(num);
			break;
		case USE_SMALL_KEY:
			key = MakeSmallKey(num);
			break;
		default:
			abort();
			break;
	  }

	return(key);
}

int
SeqDatabase()
{
	int status;
	DBT key, data;

	ReportStatus("SEQuencing through database...");

	/* seq throught the whole database */
    if(!(status = (*database->seq)(database, &key, &data, R_FIRST)))
	  {
        while(!(status = (database->seq) (database, &key, &data, R_NEXT)));
			; /* null body */
	  }

	if(status < 0)
		ReportError("Error seq'ing database");

	return(status);
}

int 
VerifyData(DBT *data, int32 num, key_type_enum key_type)
{
	int32 count, compare_num;
	uint32 size;
	int32 *int32_array;

	/* The first int32 is count 
	 * The other n entries should
	 * all equal num
	 */
	if(data->size < sizeof(int32))
	  {
		ReportError("Data size corrupted");
		return -1;
	  }

	memcpy(&count, data->data, sizeof(int32));

	size = sizeof(int32)*(count+1);

	if(size != data->size)
	  {
		ReportError("Data size corrupted");
		return -1;
	  }

	int32_array = (int32*)data->data;

	for(;count > 0; count--)
	  {
		memcpy(&compare_num, &int32_array[count], sizeof(int32));

		if(compare_num != num)
	      {
		    ReportError("Data corrupted");
		    return -1;
	      }
	  }

	return(0);
}


/* verify that a range of number strings exist
 * or don't exist. And that the data is valid
 */
#define SHOULD_EXIST 1
#define SHOULD_NOT_EXIST 0
int
VerifyRange(int32 low, int32 high, int32 should_exist, key_type_enum key_type)
{
	char key_buf[128];
	DBT *key, data;
	int32 num;
	int status;

	TraceMe(1, ("Verifying: %ld to %ld, using %s keys", 
		    low, high, key_type == USE_SMALL_KEY ? "SMALL" : "LARGE"));

	for(num = low; num <= high; num++)
	  {

		key = GenKey(num, key_type);

		status = (*database->get)(database, key, &data, 0);

		if(status == 0)
		  {
			/* got the item */
			if(!should_exist)
			  {
				ReportError("Item exists but shouldn't: %ld", num);
			  }
			else
			  {
			    /* else verify the data */
			    VerifyData(&data, num, key_type);
			  }
		  }
		else if(status > 0)
		  {
			/* item not found */
			if(should_exist)
			  {
				ReportError("Item not found but should be: %ld", num);
			  }
		  }
		else
		  {
			/* database error */
			ReportError("Database error");
			return(-1);
		  }
			
	  }

	TraceMe(1, ("Correctly verified: %ld to %ld", low, high));

	return(0);

}

DBT *
GenData(int32 num)
{
	int32 n;
	static DBT *data=0;
	int32 *int32_array;
	int32 size;

	if(!data)
	  {
		data = (DBT*)malloc(sizeof(DBT));
		data->size = 0;
		data->data = 0;
	  }
	else if(data->data)
	  {
		free(data->data);
	  }

	n = rand();

	n = n % 512;  /* bound to a 2K size */

	
	size = sizeof(int32)*(n+1);
	int32_array = (int32 *) malloc(size);

	memcpy(&int32_array[0], &n, sizeof(int32));

	for(; n > 0; n--)
	  {
		memcpy(&int32_array[n], &num, sizeof(int32));
	  }

	data->data = (void*)int32_array;
	data->size = size;

	return(data);
}

#define ADD_RANGE 1
#define DELETE_RANGE 2

int
AddOrDelRange(int32 low, int32 high, int action, key_type_enum key_type)
{
	char key_buf[128];
	DBT *key, *data;
	DBT tmp_data;
	int32 num;
	int status;

	if(action != ADD_RANGE && action != DELETE_RANGE)
		assert(0);

	if(action == ADD_RANGE)
	  {
		TraceMe(1, ("Adding: %ld to %ld: %s keys", low, high,
		    	key_type == USE_SMALL_KEY ? "SMALL" : "LARGE"));
	  }
	else
	  {
		TraceMe(1, ("Deleting: %ld to %ld: %s keys", low, high,
		    	key_type == USE_SMALL_KEY ? "SMALL" : "LARGE"));
	  }

	for(num = low; num <= high; num++)
	  {

		key = GenKey(num, key_type);

		if(action == ADD_RANGE)
		  {
			data = GenData(num);
			status = (*database->put)(database, key, data, 0);
		  }
		else
		  {
			status = (*database->del)(database, key, 0);
		  }

		if(status < 0)
		  {
			ReportError("Database error %s item: %ld",
							action == ADD_RANGE ? "ADDING" : "DELETING", 
							num);
		  }
		else if(status > 0)
		  {
			ReportError("Could not %s item: %ld", 
							action == ADD_RANGE ? "ADD" : "DELETE", 
							num);
		  }
		else if(action == ADD_RANGE)
		  {
#define SYNC_EVERY_TIME
#ifdef SYNC_EVERY_TIME
			status = (*database->sync)(database, 0);
			if(status != 0)
				ReportError("Database error syncing after add");
#endif

#if 0 /* only do this if your really analy checking the puts */
	 
			/* make sure we can still get it
			 */
			status = (*database->get)(database, key, &tmp_data, 0);

			if(status != 0)
			  {
				ReportError("Database error checking item just added: %d",
							num);
			  }
			else
			  {
				/* now verify that none of the ones we already
				 * put in have disappeared
				 */
				VerifyRange(low, num, SHOULD_EXIST, key_type);
			  }
#endif
			
		  }
	  }


	if(action == ADD_RANGE)
	  {
		TraceMe(1, ("Successfully added: %ld to %ld", low, high));
	  }
	else
	  {
		TraceMe(1, ("Successfully deleted: %ld to %ld", low, high));
	  }

	return(0);
}

int
TestRange(int32 low, int32 range, key_type_enum key_type)
{
	int status; int32 low_of_range1, high_of_range1; int32 low_of_range2, high_of_range2;
	int32 low_of_range3, high_of_range3;

	status = AddOrDelRange(low, low+range, ADD_RANGE, key_type);
	status = VerifyRange(low, low+range, SHOULD_EXIST, key_type);

	TraceMe(1, ("Finished with sub test 1"));

	SeqDatabase();

	low_of_range1 = low;
	high_of_range1 = low+(range/2);
	low_of_range2 = high_of_range1+1;
	high_of_range2 = low+range;
	status = AddOrDelRange(low_of_range1, high_of_range1, DELETE_RANGE, key_type);
	status = VerifyRange(low_of_range1, high_of_range1, SHOULD_NOT_EXIST, key_type);
	status = VerifyRange(low_of_range2, low_of_range2, SHOULD_EXIST, key_type);

	TraceMe(1, ("Finished with sub test 2"));

	SeqDatabase();

	status = AddOrDelRange(low_of_range1, high_of_range1, ADD_RANGE, key_type);
	/* the whole thing should exist now */
	status = VerifyRange(low, low+range, SHOULD_EXIST, key_type);

	TraceMe(1, ("Finished with sub test 3"));

	SeqDatabase();

	status = AddOrDelRange(low_of_range2, high_of_range2, DELETE_RANGE, key_type);
	status = VerifyRange(low_of_range1, high_of_range1, SHOULD_EXIST, key_type);
	status = VerifyRange(low_of_range2, high_of_range2, SHOULD_NOT_EXIST, key_type);

	TraceMe(1, ("Finished with sub test 4"));

	SeqDatabase();

	status = AddOrDelRange(low_of_range2, high_of_range2, ADD_RANGE, key_type);
	/* the whole thing should exist now */
	status = VerifyRange(low, low+range, SHOULD_EXIST, key_type);

	TraceMe(1, ("Finished with sub test 5"));

	SeqDatabase();

	low_of_range1 = low;
	high_of_range1 = low+(range/3);
	low_of_range2 = high_of_range1+1;
	high_of_range2 = high_of_range1+(range/3);
	low_of_range3 = high_of_range2+1;
	high_of_range3 = low+range;
	/* delete range 2 */
	status = AddOrDelRange(low_of_range2, high_of_range2, DELETE_RANGE, key_type);
	status = VerifyRange(low_of_range1, high_of_range1, SHOULD_EXIST, key_type);
	status = VerifyRange(low_of_range2, low_of_range2, SHOULD_NOT_EXIST, key_type);
	status = VerifyRange(low_of_range3, low_of_range2, SHOULD_EXIST, key_type);

	TraceMe(1, ("Finished with sub test 6"));

	SeqDatabase();

	status = AddOrDelRange(low_of_range2, high_of_range2, ADD_RANGE, key_type);
	/* the whole thing should exist now */
	status = VerifyRange(low, low+range, SHOULD_EXIST, key_type);

	TraceMe(1, ("Finished with sub test 7"));

	return(0);
}

#define START_RANGE 109876
int
main(int argc, char **argv)
{
	int32 i, j=0;
    int quick_exit = 0;
    int large_keys = 0;
    HASHINFO hash_info = {
        16*1024,
        0,
        0,
        0,
        0,
        0};


    if(argc > 1)
      {
        while(argc > 1)
	  {
            if(!strcmp(argv[argc-1], "-quick"))
                quick_exit = 1;
            else if(!strcmp(argv[argc-1], "-large"))
			  {
                large_keys = 1;
			  }
            argc--;
          }
      }

	database = dbopen("test.db", O_RDWR | O_CREAT, 0644, DB_HASH, &hash_info);

	if(!database)
	  {
		ReportError("Could not open database");
#ifdef unix
		perror("");
#endif
		exit(1);
	  }

	if(quick_exit)
	  {
		if(large_keys)
			TestRange(START_RANGE, 200, USE_LARGE_KEY);
		else
			TestRange(START_RANGE, 200, USE_SMALL_KEY);

		(*database->sync)(database, 0);
		(*database->close)(database);
        exit(0);
	  }

	for(i=100; i < 10000000; i+=200)
	  {
		if(1 || j)
		  {
			TestRange(START_RANGE, i, USE_LARGE_KEY);
			j = 0;
		  }
		else
		  {
			TestRange(START_RANGE, i, USE_SMALL_KEY);
			j = 1;
		  }

		if(1 == rand() % 3)
		  {
			(*database->sync)(database, 0);
		  }
		
		if(1 == rand() % 3)
	 	  {
			/* close and reopen */
			(*database->close)(database);
			database = dbopen("test.db", O_RDWR | O_CREAT, 0644, DB_HASH, 0);
			if(!database)
	  		{
				ReportError("Could not reopen database");
#ifdef unix
				perror("");
#endif
				exit(1);
	  		}
	 	  }
		else
		  {
			/* reopen database without closeing the other */
			database = dbopen("test.db", O_RDWR | O_CREAT, 0644, DB_HASH, 0);
			if(!database)
	  		{
				ReportError("Could not reopen database "
							"after not closing the other");
#ifdef unix
				perror("");
#endif
				exit(1);
	  		}
	 	  }
	  }

	return(0);
}