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1 | /********************************************************************** |
2 | Copyright(c) 2011-2016 Intel Corporation All rights reserved. | |
3 | ||
4 | Redistribution and use in source and binary forms, with or without | |
5 | modification, are permitted provided that the following conditions | |
6 | are met: | |
7 | * Redistributions of source code must retain the above copyright | |
8 | notice, this list of conditions and the following disclaimer. | |
9 | * Redistributions in binary form must reproduce the above copyright | |
10 | notice, this list of conditions and the following disclaimer in | |
11 | the documentation and/or other materials provided with the | |
12 | distribution. | |
13 | * Neither the name of Intel Corporation nor the names of its | |
14 | contributors may be used to endorse or promote products derived | |
15 | from this software without specific prior written permission. | |
16 | ||
17 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
18 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
19 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
20 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
21 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
22 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
23 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
24 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
25 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
26 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
27 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
28 | **********************************************************************/ | |
29 | ||
30 | #include <stdio.h> | |
31 | #include <stdlib.h> | |
32 | #include <string.h> | |
224ce89b | 33 | #include <assert.h> |
7c673cae | 34 | #include "igzip_lib.h" |
7c673cae | 35 | #include "crc_inflate.h" |
224ce89b | 36 | #include "inflate_std_vects.h" |
7c673cae FG |
37 | #include <math.h> |
38 | ||
39 | #ifndef RANDOMS | |
224ce89b | 40 | # define RANDOMS 0x40 |
7c673cae FG |
41 | #endif |
42 | #ifndef TEST_SEED | |
43 | # define TEST_SEED 0x1234 | |
44 | #endif | |
45 | ||
46 | #define IBUF_SIZE (1024*1024) | |
47 | ||
7c673cae FG |
48 | #define PAGE_SIZE 4*1024 |
49 | ||
50 | #define str1 "Short test string" | |
51 | #define str2 "one two three four five six seven eight nine ten eleven twelve " \ | |
52 | "thirteen fourteen fifteen sixteen" | |
53 | ||
54 | #define TYPE0_HDR_SIZE 5 /* Size of a type 0 blocks header in bytes */ | |
55 | #define TYPE0_MAX_SIZE 65535 /* Max length of a type 0 block in bytes (excludes the header) */ | |
56 | ||
57 | #define MAX_LOOPS 20 | |
58 | /* Defines for the possible error conditions */ | |
59 | enum IGZIP_TEST_ERROR_CODES { | |
60 | IGZIP_COMP_OK, | |
61 | ||
62 | MALLOC_FAILED, | |
63 | FILE_READ_FAILED, | |
64 | ||
65 | COMPRESS_INCORRECT_STATE, | |
66 | COMPRESS_INPUT_STREAM_INTEGRITY_ERROR, | |
67 | COMPRESS_OUTPUT_STREAM_INTEGRITY_ERROR, | |
68 | COMPRESS_END_OF_STREAM_NOT_SET, | |
69 | COMPRESS_ALL_INPUT_FAIL, | |
70 | COMPRESS_OUT_BUFFER_OVERFLOW, | |
71 | COMPRESS_LOOP_COUNT_OVERFLOW, | |
72 | COMPRESS_GENERAL_ERROR, | |
73 | ||
74 | INFLATE_END_OF_INPUT, | |
75 | INFLATE_INVALID_BLOCK_HEADER, | |
76 | INFLATE_INVALID_SYMBOL, | |
77 | INFLATE_OUT_BUFFER_OVERFLOW, | |
7c673cae FG |
78 | INFLATE_LEFTOVER_INPUT, |
79 | INFLATE_INCORRECT_OUTPUT_SIZE, | |
80 | INFLATE_INVALID_LOOK_BACK_DISTANCE, | |
81 | INVALID_GZIP_HEADER, | |
82 | INCORRECT_GZIP_TRAILER, | |
83 | INFLATE_GENERAL_ERROR, | |
84 | ||
85 | INVALID_FLUSH_ERROR, | |
86 | ||
87 | OVERFLOW_TEST_ERROR, | |
88 | RESULT_ERROR | |
89 | }; | |
90 | ||
224ce89b | 91 | static const int hdr_bytes = 300; |
7c673cae | 92 | |
224ce89b | 93 | static const uint8_t gzip_hdr[10] = { |
7c673cae FG |
94 | 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, |
95 | 0x00, 0xff | |
96 | }; | |
97 | ||
224ce89b WB |
98 | static const uint32_t gzip_hdr_bytes = 10; |
99 | /* static const uint32_t gzip_trl_bytes = 8; */ | |
7c673cae | 100 | |
224ce89b | 101 | static const int gzip_extra_bytes = 18; /* gzip_hdr_bytes + gzip_trl_bytes */ |
7c673cae | 102 | |
224ce89b | 103 | int inflate_type = 0; |
7c673cae FG |
104 | |
105 | struct isal_hufftables *hufftables = NULL; | |
106 | ||
107 | #define HISTORY_SIZE 32*1024 | |
108 | #define MIN_LENGTH 3 | |
109 | #define MIN_DIST 1 | |
110 | ||
111 | /* Create random compressible data. This is achieved by randomly choosing a | |
112 | * random character, or to repeat previous data in the stream for a random | |
113 | * length and look back distance. The probability of a random character or a | |
114 | * repeat being chosen is semi-randomly chosen by setting max_repeat_data to be | |
115 | * differing values */ | |
116 | void create_rand_repeat_data(uint8_t * data, int size) | |
117 | { | |
118 | uint32_t next_data; | |
119 | uint8_t *data_start = data; | |
120 | uint32_t length, distance; | |
121 | uint32_t max_repeat_data = 256; | |
122 | uint32_t power = rand() % 32; | |
123 | /* An array of the powers of 2 (except the final element which is 0) */ | |
124 | const uint32_t power_of_2_array[] = { | |
125 | 0x00000001, 0x00000002, 0x00000004, 0x00000008, | |
126 | 0x00000010, 0x00000020, 0x00000040, 0x00000080, | |
127 | 0x00000100, 0x00000200, 0x00000400, 0x00000800, | |
128 | 0x00001000, 0x00002000, 0x00004000, 0x00008000, | |
129 | 0x00010000, 0x00020000, 0x00040000, 0x00080000, | |
130 | 0x00100000, 0x00200000, 0x00400000, 0x00800000, | |
131 | 0x01000000, 0x02000000, 0x04000000, 0x08000000, | |
132 | 0x10000000, 0x20000000, 0x40000000, 0x00000000 | |
133 | }; | |
134 | ||
135 | max_repeat_data += power_of_2_array[power]; | |
136 | ||
137 | if (size-- > 0) | |
138 | *data++ = rand(); | |
139 | ||
140 | while (size > 0) { | |
141 | next_data = rand() % max_repeat_data; | |
142 | if (next_data < 256) { | |
143 | *data++ = next_data; | |
144 | size--; | |
145 | } else if (size < 3) { | |
146 | *data++ = rand() % 256; | |
147 | size--; | |
148 | } else { | |
149 | length = (rand() % 256) + MIN_LENGTH; | |
150 | if (length > size) | |
151 | length = (rand() % (size - 2)) + MIN_LENGTH; | |
152 | ||
153 | distance = (rand() % HISTORY_SIZE) + MIN_DIST; | |
154 | if (distance > data - data_start) | |
155 | distance = (rand() % (data - data_start)) + MIN_DIST; | |
156 | ||
157 | size -= length; | |
158 | if (distance <= length) { | |
159 | while (length-- > 0) { | |
160 | *data = *(data - distance); | |
161 | data++; | |
162 | } | |
163 | } else | |
164 | memcpy(data, data - distance, length); | |
165 | } | |
166 | } | |
167 | } | |
168 | ||
169 | void print_error(int error_code) | |
170 | { | |
171 | switch (error_code) { | |
172 | case IGZIP_COMP_OK: | |
173 | break; | |
174 | case MALLOC_FAILED: | |
175 | printf("error: failed to allocate memory\n"); | |
176 | break; | |
177 | case FILE_READ_FAILED: | |
178 | printf("error: failed to read in file\n"); | |
179 | break; | |
180 | case COMPRESS_INCORRECT_STATE: | |
181 | printf("error: incorrect stream internal state\n"); | |
182 | break; | |
183 | case COMPRESS_INPUT_STREAM_INTEGRITY_ERROR: | |
184 | printf("error: inconsistent stream input buffer\n"); | |
185 | break; | |
186 | case COMPRESS_OUTPUT_STREAM_INTEGRITY_ERROR: | |
187 | printf("error: inconsistent stream output buffer\n"); | |
188 | break; | |
189 | case COMPRESS_END_OF_STREAM_NOT_SET: | |
190 | printf("error: end of stream not set\n"); | |
191 | break; | |
192 | case COMPRESS_ALL_INPUT_FAIL: | |
193 | printf("error: not all input data compressed\n"); | |
194 | break; | |
195 | case COMPRESS_OUT_BUFFER_OVERFLOW: | |
196 | printf("error: output buffer overflow while compressing data\n"); | |
197 | break; | |
198 | case COMPRESS_GENERAL_ERROR: | |
199 | printf("error: compression failed\n"); | |
200 | break; | |
201 | case INFLATE_END_OF_INPUT: | |
202 | printf("error: did not decompress all input\n"); | |
203 | break; | |
204 | case INFLATE_INVALID_BLOCK_HEADER: | |
205 | printf("error: invalid header\n"); | |
206 | break; | |
207 | case INFLATE_INVALID_SYMBOL: | |
208 | printf("error: invalid symbol found when decompressing input\n"); | |
209 | break; | |
210 | case INFLATE_OUT_BUFFER_OVERFLOW: | |
211 | printf("error: output buffer overflow while decompressing data\n"); | |
212 | break; | |
7c673cae FG |
213 | case INFLATE_GENERAL_ERROR: |
214 | printf("error: decompression failed\n"); | |
215 | break; | |
216 | case INFLATE_LEFTOVER_INPUT: | |
217 | printf("error: the trailer of igzip output contains junk\n"); | |
218 | break; | |
219 | case INFLATE_INCORRECT_OUTPUT_SIZE: | |
220 | printf("error: incorrect amount of data was decompressed\n"); | |
221 | break; | |
222 | case INFLATE_INVALID_LOOK_BACK_DISTANCE: | |
223 | printf("error: invalid look back distance found while decompressing\n"); | |
224 | break; | |
225 | case INVALID_GZIP_HEADER: | |
226 | printf("error: incorrect gzip header found when inflating data\n"); | |
227 | break; | |
228 | case INCORRECT_GZIP_TRAILER: | |
229 | printf("error: incorrect gzip trailer found when inflating data\n"); | |
230 | break; | |
231 | case INVALID_FLUSH_ERROR: | |
232 | printf("error: invalid flush did not cause compression to error\n"); | |
233 | break; | |
234 | case RESULT_ERROR: | |
235 | printf("error: decompressed data is not the same as the compressed data\n"); | |
236 | break; | |
237 | case OVERFLOW_TEST_ERROR: | |
238 | printf("error: overflow undetected\n"); | |
239 | break; | |
240 | default: | |
241 | printf("error: unknown error code\n"); | |
242 | } | |
243 | } | |
244 | ||
245 | void print_uint8_t(uint8_t * array, uint64_t length) | |
246 | { | |
247 | const int line_size = 16; | |
248 | int i; | |
249 | ||
250 | printf("Length = %lu", length); | |
251 | for (i = 0; i < length; i++) { | |
252 | if ((i % line_size) == 0) | |
253 | printf("\n0x%08x\t", i); | |
254 | else | |
255 | printf(" "); | |
256 | printf("0x%02x,", array[i]); | |
257 | } | |
258 | printf("\n"); | |
259 | } | |
260 | ||
7c673cae FG |
261 | uint32_t check_gzip_header(uint8_t * z_buf) |
262 | { | |
263 | /* These values are defined in RFC 1952 page 4 */ | |
264 | const uint8_t ID1 = 0x1f, ID2 = 0x8b, CM = 0x08, FLG = 0; | |
265 | uint32_t ret = 0; | |
266 | int i; | |
267 | /* Verify that the gzip header is the one used in hufftables_c.c */ | |
268 | for (i = 0; i < gzip_hdr_bytes; i++) | |
269 | if (z_buf[i] != gzip_hdr[i]) | |
270 | ret = INVALID_GZIP_HEADER; | |
271 | ||
272 | /* Verify that the gzip header is a valid gzip header */ | |
273 | if (*z_buf++ != ID1) | |
274 | ret = INVALID_GZIP_HEADER; | |
275 | ||
276 | if (*z_buf++ != ID2) | |
277 | ret = INVALID_GZIP_HEADER; | |
278 | ||
279 | /* Verfiy compression method is Deflate */ | |
280 | if (*z_buf++ != CM) | |
281 | ret = INVALID_GZIP_HEADER; | |
282 | ||
283 | /* The following comparison is specific to how gzip headers are written in igzip */ | |
284 | /* Verify no extra flags are set */ | |
285 | if (*z_buf != FLG) | |
286 | ret = INVALID_GZIP_HEADER; | |
287 | ||
288 | /* The last 6 bytes in the gzip header do not contain any information | |
289 | * important to decomrpessing the data */ | |
290 | ||
291 | return ret; | |
292 | } | |
293 | ||
224ce89b WB |
294 | uint32_t check_gzip_trl(uint64_t gzip_trl, uint32_t inflate_crc, uint8_t * uncompress_buf, |
295 | uint32_t uncompress_len) | |
7c673cae | 296 | { |
224ce89b WB |
297 | uint64_t trl, ret = 0; |
298 | uint32_t crc; | |
7c673cae | 299 | |
224ce89b WB |
300 | crc = find_crc(uncompress_buf, uncompress_len); |
301 | trl = ((uint64_t) uncompress_len << 32) | crc; | |
7c673cae | 302 | |
224ce89b | 303 | if (crc != inflate_crc || trl != gzip_trl) |
7c673cae FG |
304 | ret = INCORRECT_GZIP_TRAILER; |
305 | ||
306 | return ret; | |
307 | } | |
224ce89b WB |
308 | |
309 | int inflate_stateless_pass(uint8_t * compress_buf, uint64_t compress_len, | |
310 | uint8_t * uncompress_buf, uint32_t * uncompress_len, | |
311 | uint32_t gzip_flag) | |
312 | { | |
313 | struct inflate_state state; | |
314 | int ret = 0; | |
315 | ||
316 | state.next_in = compress_buf; | |
317 | state.avail_in = compress_len; | |
318 | state.next_out = uncompress_buf; | |
319 | state.avail_out = *uncompress_len; | |
320 | state.crc_flag = gzip_flag; | |
321 | ||
322 | ret = isal_inflate_stateless(&state); | |
323 | ||
324 | *uncompress_len = state.total_out; | |
325 | ||
326 | if (gzip_flag) { | |
327 | if (!ret) | |
328 | ret = | |
329 | check_gzip_trl(*(uint64_t *) state.next_in, state.crc, | |
330 | uncompress_buf, *uncompress_len); | |
331 | state.avail_in -= 8; | |
332 | } | |
333 | ||
334 | if (ret == 0 && state.avail_in != 0) | |
335 | ret = INFLATE_LEFTOVER_INPUT; | |
336 | ||
337 | return ret; | |
338 | } | |
339 | ||
340 | int inflate_multi_pass(uint8_t * compress_buf, uint64_t compress_len, | |
341 | uint8_t * uncompress_buf, uint32_t * uncompress_len, uint32_t gzip_flag) | |
342 | { | |
343 | struct inflate_state *state = NULL; | |
344 | int ret = 0; | |
345 | uint8_t *comp_tmp = NULL, *uncomp_tmp = NULL; | |
346 | uint32_t comp_tmp_size = 0, uncomp_tmp_size = 0; | |
347 | uint32_t comp_processed = 0, uncomp_processed = 0; | |
348 | int32_t read_in_old = 0; | |
349 | ||
350 | state = malloc(sizeof(struct inflate_state)); | |
351 | if (state == NULL) { | |
352 | printf("Failed to allocate memory\n"); | |
353 | exit(0); | |
354 | } | |
355 | ||
356 | isal_inflate_init(state); | |
357 | ||
358 | state->next_in = NULL; | |
359 | state->next_out = NULL; | |
360 | state->avail_in = 0; | |
361 | state->avail_out = 0; | |
362 | state->crc_flag = gzip_flag; | |
363 | ||
364 | if (gzip_flag) | |
365 | compress_len -= 8; | |
366 | ||
367 | while (1) { | |
368 | if (state->avail_in == 0) { | |
369 | comp_tmp_size = rand() % (compress_len + 1); | |
370 | ||
371 | if (comp_tmp_size >= compress_len - comp_processed) | |
372 | comp_tmp_size = compress_len - comp_processed; | |
373 | ||
374 | if (comp_tmp_size != 0) { | |
375 | if (comp_tmp != NULL) { | |
376 | free(comp_tmp); | |
377 | comp_tmp = NULL; | |
378 | } | |
379 | ||
380 | comp_tmp = malloc(comp_tmp_size); | |
381 | ||
382 | if (comp_tmp == NULL) { | |
383 | printf("Failed to allocate memory\n"); | |
384 | return MALLOC_FAILED; | |
385 | } | |
386 | ||
387 | memcpy(comp_tmp, compress_buf + comp_processed, comp_tmp_size); | |
388 | comp_processed += comp_tmp_size; | |
389 | ||
390 | state->next_in = comp_tmp; | |
391 | state->avail_in = comp_tmp_size; | |
392 | } | |
393 | } | |
394 | ||
395 | if (state->avail_out == 0) { | |
396 | /* Save uncompressed data into uncompress_buf */ | |
397 | if (uncomp_tmp != NULL) { | |
398 | memcpy(uncompress_buf + uncomp_processed, uncomp_tmp, | |
399 | uncomp_tmp_size); | |
400 | uncomp_processed += uncomp_tmp_size; | |
401 | } | |
402 | ||
403 | uncomp_tmp_size = rand() % (*uncompress_len + 1); | |
404 | ||
405 | /* Limit size of buffer to be smaller than maximum */ | |
406 | if (uncomp_tmp_size > *uncompress_len - uncomp_processed) | |
407 | uncomp_tmp_size = *uncompress_len - uncomp_processed; | |
408 | ||
409 | if (uncomp_tmp_size != 0) { | |
410 | ||
411 | if (uncomp_tmp != NULL) { | |
412 | fflush(0); | |
413 | free(uncomp_tmp); | |
414 | uncomp_tmp = NULL; | |
415 | } | |
416 | ||
417 | uncomp_tmp = malloc(uncomp_tmp_size); | |
418 | if (uncomp_tmp == NULL) { | |
419 | printf("Failed to allocate memory\n"); | |
420 | return MALLOC_FAILED; | |
421 | } | |
422 | ||
423 | state->avail_out = uncomp_tmp_size; | |
424 | state->next_out = uncomp_tmp; | |
425 | } | |
426 | } | |
427 | ||
428 | ret = isal_inflate(state); | |
429 | ||
430 | if (state->block_state == ISAL_BLOCK_FINISH || ret != 0) { | |
431 | memcpy(uncompress_buf + uncomp_processed, uncomp_tmp, uncomp_tmp_size); | |
432 | *uncompress_len = state->total_out; | |
433 | break; | |
434 | } | |
435 | ||
436 | if (*uncompress_len - uncomp_processed == 0 && state->avail_out == 0 | |
437 | && state->tmp_out_valid - state->tmp_out_processed > 0) { | |
438 | ret = ISAL_OUT_OVERFLOW; | |
439 | break; | |
440 | } | |
441 | ||
442 | if (compress_len - comp_processed == 0 && state->avail_in == 0 | |
443 | && (state->block_state != ISAL_BLOCK_INPUT_DONE) | |
444 | && state->tmp_out_valid - state->tmp_out_processed == 0) { | |
445 | if (state->read_in_length == read_in_old) { | |
446 | ret = ISAL_END_INPUT; | |
447 | break; | |
448 | } | |
449 | read_in_old = state->read_in_length; | |
450 | } | |
451 | } | |
452 | ||
453 | if (gzip_flag) { | |
454 | if (!ret) | |
455 | ret = | |
456 | check_gzip_trl(*(uint64_t *) & compress_buf[compress_len], | |
457 | state->crc, uncompress_buf, *uncompress_len); | |
458 | } | |
459 | if (ret == 0 && state->avail_in != 0) | |
460 | ret = INFLATE_LEFTOVER_INPUT; | |
461 | ||
462 | if (comp_tmp != NULL) { | |
463 | free(comp_tmp); | |
464 | comp_tmp = NULL; | |
465 | } | |
466 | ||
467 | if (uncomp_tmp != NULL) { | |
468 | free(uncomp_tmp); | |
469 | uncomp_tmp = NULL; | |
470 | } | |
471 | ||
472 | free(state); | |
473 | return ret; | |
474 | } | |
7c673cae FG |
475 | |
476 | /* Inflate the compressed data and check that the decompressed data agrees with the input data */ | |
224ce89b WB |
477 | int inflate_check(uint8_t * z_buf, int z_size, uint8_t * in_buf, int in_size, |
478 | uint32_t gzip_flag) | |
7c673cae FG |
479 | { |
480 | /* Test inflate with reference inflate */ | |
481 | ||
482 | int ret = 0; | |
7c673cae FG |
483 | uint32_t test_size = in_size; |
484 | uint8_t *test_buf = NULL; | |
485 | int mem_result = 0; | |
224ce89b | 486 | int gzip_hdr_result = 0, gzip_trl_result = 0; |
7c673cae FG |
487 | |
488 | if (in_size > 0) { | |
489 | assert(in_buf != NULL); | |
490 | test_buf = malloc(test_size); | |
7c673cae FG |
491 | if (test_buf == NULL) |
492 | return MALLOC_FAILED; | |
493 | } | |
224ce89b | 494 | |
7c673cae FG |
495 | if (test_buf != NULL) |
496 | memset(test_buf, 0xff, test_size); | |
497 | ||
224ce89b WB |
498 | if (gzip_flag == IGZIP_GZIP) { |
499 | gzip_hdr_result = check_gzip_header(z_buf); | |
500 | z_buf += gzip_hdr_bytes; | |
501 | z_size -= gzip_hdr_bytes; | |
502 | } | |
7c673cae | 503 | |
224ce89b WB |
504 | if (inflate_type == 0) { |
505 | ret = inflate_stateless_pass(z_buf, z_size, test_buf, &test_size, gzip_flag); | |
506 | inflate_type = 1; | |
507 | } else { | |
508 | ret = inflate_multi_pass(z_buf, z_size, test_buf, &test_size, gzip_flag); | |
509 | inflate_type = 0; | |
510 | } | |
7c673cae FG |
511 | |
512 | if (test_buf != NULL) | |
513 | mem_result = memcmp(in_buf, test_buf, in_size); | |
514 | ||
515 | #ifdef VERBOSE | |
516 | int i; | |
517 | if (mem_result) | |
518 | for (i = 0; i < in_size; i++) { | |
519 | if (in_buf[i] != test_buf[i]) { | |
224ce89b WB |
520 | printf |
521 | ("First incorrect data at 0x%x of 0x%x, 0x%x != 0x%x\n", | |
522 | i, in_size, in_buf[i], test_buf[i]); | |
7c673cae FG |
523 | break; |
524 | } | |
525 | } | |
526 | #endif | |
527 | ||
7c673cae FG |
528 | if (test_buf != NULL) |
529 | free(test_buf); | |
7c673cae FG |
530 | switch (ret) { |
531 | case 0: | |
532 | break; | |
224ce89b | 533 | case ISAL_END_INPUT: |
7c673cae FG |
534 | return INFLATE_END_OF_INPUT; |
535 | break; | |
224ce89b | 536 | case ISAL_INVALID_BLOCK: |
7c673cae FG |
537 | return INFLATE_INVALID_BLOCK_HEADER; |
538 | break; | |
224ce89b | 539 | case ISAL_INVALID_SYMBOL: |
7c673cae FG |
540 | return INFLATE_INVALID_SYMBOL; |
541 | break; | |
224ce89b | 542 | case ISAL_OUT_OVERFLOW: |
7c673cae FG |
543 | return INFLATE_OUT_BUFFER_OVERFLOW; |
544 | break; | |
224ce89b | 545 | case ISAL_INVALID_LOOKBACK: |
7c673cae FG |
546 | return INFLATE_INVALID_LOOK_BACK_DISTANCE; |
547 | break; | |
224ce89b WB |
548 | case INFLATE_LEFTOVER_INPUT: |
549 | return INFLATE_LEFTOVER_INPUT; | |
550 | break; | |
551 | case INCORRECT_GZIP_TRAILER: | |
552 | gzip_trl_result = INCORRECT_GZIP_TRAILER; | |
553 | break; | |
554 | ||
7c673cae FG |
555 | default: |
556 | return INFLATE_GENERAL_ERROR; | |
557 | break; | |
558 | } | |
559 | ||
224ce89b | 560 | if (test_size != in_size) |
7c673cae FG |
561 | return INFLATE_INCORRECT_OUTPUT_SIZE; |
562 | ||
563 | if (mem_result) | |
564 | return RESULT_ERROR; | |
565 | ||
224ce89b WB |
566 | if (gzip_flag) { |
567 | if (gzip_hdr_result) | |
568 | return INVALID_GZIP_HEADER; | |
7c673cae | 569 | |
224ce89b WB |
570 | if (gzip_trl_result) |
571 | return INCORRECT_GZIP_TRAILER; | |
572 | } | |
7c673cae FG |
573 | |
574 | return 0; | |
575 | } | |
576 | ||
577 | /* Check if that the state of the data stream is consistent */ | |
578 | int stream_valid_check(struct isal_zstream *stream, uint8_t * in_buf, uint32_t in_size, | |
579 | uint8_t * out_buf, uint32_t out_size, uint32_t in_processed, | |
580 | uint32_t out_processed, uint32_t data_size) | |
581 | { | |
582 | uint32_t total_in, in_buffer_size, total_out, out_buffer_size; | |
583 | ||
584 | total_in = | |
585 | (in_size == | |
586 | 0) ? in_processed : (in_processed - in_size) + (stream->next_in - in_buf); | |
587 | in_buffer_size = (in_size == 0) ? 0 : stream->next_in - in_buf + stream->avail_in; | |
588 | ||
589 | /* Check for a consistent amount of data processed */ | |
590 | if (total_in != stream->total_in || in_buffer_size != in_size) | |
591 | return COMPRESS_INPUT_STREAM_INTEGRITY_ERROR; | |
592 | ||
593 | total_out = | |
594 | (out_size == 0) ? out_processed : out_processed + (stream->next_out - out_buf); | |
595 | out_buffer_size = (out_size == 0) ? 0 : stream->next_out - out_buf + stream->avail_out; | |
596 | ||
597 | /* Check for a consistent amount of data compressed */ | |
598 | if (total_out != stream->total_out || out_buffer_size != out_size) { | |
599 | return COMPRESS_OUTPUT_STREAM_INTEGRITY_ERROR; | |
600 | } | |
601 | ||
602 | return 0; | |
603 | } | |
604 | ||
605 | /* Performs compression with checks to discover and verify the state of the | |
606 | * stream | |
607 | * stream: compress data structure which has been initialized to use | |
608 | * in_buf and out_buf as the buffers | |
609 | * data_size: size of all input data | |
610 | * compressed_size: size of all available output buffers | |
611 | * in_buf: next buffer of data to be compressed | |
612 | * in_size: size of in_buf | |
613 | * out_buf: next out put buffer where data is stored | |
614 | * out_size: size of out_buf | |
615 | * in_processed: the amount of input data which has been loaded into buffers | |
616 | * to be compressed, this includes the data in in_buf | |
617 | * out_processed: the amount of output data which has been compressed and stored, | |
618 | * this does not include the data in the current out_buf | |
619 | */ | |
620 | int isal_deflate_with_checks(struct isal_zstream *stream, uint32_t data_size, | |
621 | uint32_t compressed_size, uint8_t * in_buf, uint32_t in_size, | |
622 | uint32_t in_processed, uint8_t * out_buf, uint32_t out_size, | |
623 | uint32_t out_processed) | |
624 | { | |
625 | int ret, stream_check; | |
626 | struct isal_zstate *state = &stream->internal_state; | |
627 | ||
628 | #ifdef VERBOSE | |
629 | printf("Pre compression\n"); | |
630 | printf | |
631 | ("data_size = 0x%05x, in_processed = 0x%05x, in_size = 0x%05x, avail_in = 0x%05x, total_in = 0x%05x\n", | |
632 | data_size, in_processed, in_size, stream->avail_in, stream->total_in); | |
633 | printf | |
634 | ("compressed_size = 0x%05x, out_processed = 0x%05x, out_size = 0x%05x, avail_out = 0x%05x, total_out = 0x%05x\n", | |
635 | compressed_size, out_processed, out_size, stream->avail_out, stream->total_out); | |
636 | #endif | |
637 | ||
638 | ret = isal_deflate(stream); | |
639 | ||
640 | #ifdef VERBOSE | |
641 | printf("Post compression\n"); | |
642 | printf | |
643 | ("data_size = 0x%05x, in_processed = 0x%05x, in_size = 0x%05x, avail_in = 0x%05x, total_in = 0x%05x\n", | |
644 | data_size, in_processed, in_size, stream->avail_in, stream->total_in); | |
645 | printf | |
646 | ("compressed_size = 0x%05x, out_processed = 0x%05x, out_size = 0x%05x, avail_out = 0x%05x, total_out = 0x%05x\n", | |
647 | compressed_size, out_processed, out_size, stream->avail_out, stream->total_out); | |
648 | printf("\n\n"); | |
649 | #endif | |
650 | ||
651 | /* Verify the stream is in a valid state */ | |
652 | stream_check = stream_valid_check(stream, in_buf, in_size, out_buf, out_size, | |
653 | in_processed, out_processed, data_size); | |
654 | ||
655 | if (stream_check != 0) | |
656 | return stream_check; | |
657 | ||
658 | if (ret != IGZIP_COMP_OK) | |
659 | return COMPRESS_GENERAL_ERROR; | |
660 | ||
661 | /* Check if the compression is completed */ | |
662 | if (state->state != ZSTATE_END) | |
663 | if (compressed_size - out_processed - (out_size - stream->avail_out) <= 0) | |
664 | return COMPRESS_OUT_BUFFER_OVERFLOW; | |
665 | ||
666 | return ret; | |
667 | ||
668 | } | |
669 | ||
224ce89b WB |
670 | void set_random_hufftable(struct isal_zstream *stream) |
671 | { | |
672 | isal_deflate_set_hufftables(stream, hufftables, rand() % 4); | |
673 | } | |
674 | ||
7c673cae FG |
675 | /* Compress the input data into the output buffer where the input buffer and |
676 | * output buffer are randomly segmented to test state information for the | |
677 | * compression*/ | |
678 | int compress_multi_pass(uint8_t * data, uint32_t data_size, uint8_t * compressed_buf, | |
224ce89b WB |
679 | uint32_t * compressed_size, uint32_t flush_type, uint32_t gzip_flag, |
680 | uint32_t level) | |
7c673cae FG |
681 | { |
682 | int ret = IGZIP_COMP_OK; | |
683 | uint8_t *in_buf = NULL, *out_buf = NULL; | |
684 | uint32_t in_size = 0, out_size = 0; | |
685 | uint32_t in_processed = 0, out_processed = 0; | |
686 | struct isal_zstream stream; | |
687 | struct isal_zstate *state = &stream.internal_state; | |
688 | uint32_t loop_count = 0; | |
224ce89b WB |
689 | uint32_t level_buf_size; |
690 | uint8_t *level_buf = NULL; | |
7c673cae FG |
691 | |
692 | #ifdef VERBOSE | |
693 | printf("Starting Compress Multi Pass\n"); | |
694 | #endif | |
695 | ||
696 | create_rand_repeat_data((uint8_t *) & stream, sizeof(stream)); | |
697 | ||
698 | isal_deflate_init(&stream); | |
699 | ||
7c673cae FG |
700 | if (state->state != ZSTATE_NEW_HDR) |
701 | return COMPRESS_INCORRECT_STATE; | |
702 | ||
703 | stream.flush = flush_type; | |
704 | stream.end_of_stream = 0; | |
705 | ||
706 | /* These are set here to allow the loop to run correctly */ | |
707 | stream.avail_in = 0; | |
708 | stream.avail_out = 0; | |
224ce89b WB |
709 | stream.gzip_flag = gzip_flag; |
710 | stream.level = level; | |
711 | ||
712 | if (level >= 1) { | |
713 | level_buf_size = rand() % IBUF_SIZE + ISAL_DEF_LVL1_MIN; | |
714 | level_buf = malloc(level_buf_size); | |
715 | create_rand_repeat_data(level_buf, level_buf_size); | |
716 | stream.level_buf = level_buf; | |
717 | stream.level_buf_size = level_buf_size; | |
718 | } | |
7c673cae FG |
719 | |
720 | while (1) { | |
721 | loop_count++; | |
722 | ||
723 | /* Setup in buffer for next round of compression */ | |
724 | if (stream.avail_in == 0) { | |
725 | if (flush_type == NO_FLUSH || state->state == ZSTATE_NEW_HDR) { | |
726 | /* Randomly choose size of the next out buffer */ | |
727 | in_size = rand() % (data_size + 1); | |
728 | ||
729 | /* Limit size of buffer to be smaller than maximum */ | |
730 | if (in_size >= data_size - in_processed) { | |
731 | in_size = data_size - in_processed; | |
732 | stream.end_of_stream = 1; | |
733 | } | |
734 | ||
735 | if (in_size != 0) { | |
736 | if (in_buf != NULL) { | |
737 | free(in_buf); | |
738 | in_buf = NULL; | |
739 | } | |
740 | ||
741 | in_buf = malloc(in_size); | |
742 | if (in_buf == NULL) { | |
743 | ret = MALLOC_FAILED; | |
744 | break; | |
745 | } | |
746 | memcpy(in_buf, data + in_processed, in_size); | |
747 | in_processed += in_size; | |
748 | ||
749 | stream.avail_in = in_size; | |
750 | stream.next_in = in_buf; | |
751 | } | |
752 | } | |
753 | } | |
754 | ||
755 | /* Setup out buffer for next round of compression */ | |
756 | if (stream.avail_out == 0) { | |
757 | /* Save compressed data inot compressed_buf */ | |
758 | if (out_buf != NULL) { | |
759 | memcpy(compressed_buf + out_processed, out_buf, | |
760 | out_size - stream.avail_out); | |
761 | out_processed += out_size - stream.avail_out; | |
762 | } | |
763 | ||
764 | /* Randomly choose size of the next out buffer */ | |
765 | out_size = rand() % (*compressed_size + 1); | |
766 | ||
767 | /* Limit size of buffer to be smaller than maximum */ | |
768 | if (out_size > *compressed_size - out_processed) | |
769 | out_size = *compressed_size - out_processed; | |
770 | ||
771 | if (out_size != 0) { | |
772 | if (out_buf != NULL) { | |
773 | free(out_buf); | |
774 | out_buf = NULL; | |
775 | } | |
776 | ||
777 | out_buf = malloc(out_size); | |
778 | if (out_buf == NULL) { | |
779 | ret = MALLOC_FAILED; | |
780 | break; | |
781 | } | |
782 | ||
783 | stream.avail_out = out_size; | |
784 | stream.next_out = out_buf; | |
785 | } | |
786 | } | |
787 | ||
224ce89b WB |
788 | if (state->state == ZSTATE_NEW_HDR) |
789 | set_random_hufftable(&stream); | |
790 | ||
7c673cae FG |
791 | ret = |
792 | isal_deflate_with_checks(&stream, data_size, *compressed_size, in_buf, | |
793 | in_size, in_processed, out_buf, out_size, | |
794 | out_processed); | |
795 | ||
796 | if (ret) { | |
797 | if (ret == COMPRESS_OUT_BUFFER_OVERFLOW | |
798 | || ret == COMPRESS_INCORRECT_STATE) | |
799 | memcpy(compressed_buf + out_processed, out_buf, out_size); | |
800 | break; | |
801 | } | |
802 | ||
803 | /* Check if the compression is completed */ | |
804 | if (state->state == ZSTATE_END) { | |
805 | memcpy(compressed_buf + out_processed, out_buf, out_size); | |
806 | *compressed_size = stream.total_out; | |
807 | break; | |
808 | } | |
809 | ||
810 | } | |
811 | ||
224ce89b WB |
812 | if (level_buf != NULL) |
813 | free(level_buf); | |
7c673cae FG |
814 | if (in_buf != NULL) |
815 | free(in_buf); | |
816 | if (out_buf != NULL) | |
817 | free(out_buf); | |
818 | ||
819 | if (ret == COMPRESS_OUT_BUFFER_OVERFLOW && flush_type == SYNC_FLUSH | |
820 | && loop_count >= MAX_LOOPS) | |
821 | ret = COMPRESS_LOOP_COUNT_OVERFLOW; | |
822 | ||
823 | return ret; | |
824 | ||
825 | } | |
826 | ||
827 | /* Compress the input data into the outbuffer in one call to isal_deflate */ | |
828 | int compress_single_pass(uint8_t * data, uint32_t data_size, uint8_t * compressed_buf, | |
224ce89b WB |
829 | uint32_t * compressed_size, uint32_t flush_type, uint32_t gzip_flag, |
830 | uint32_t level) | |
7c673cae FG |
831 | { |
832 | int ret = IGZIP_COMP_OK; | |
833 | struct isal_zstream stream; | |
834 | struct isal_zstate *state = &stream.internal_state; | |
224ce89b WB |
835 | uint32_t level_buf_size; |
836 | uint8_t *level_buf = NULL; | |
7c673cae FG |
837 | |
838 | #ifdef VERBOSE | |
839 | printf("Starting Compress Single Pass\n"); | |
840 | #endif | |
841 | ||
842 | create_rand_repeat_data((uint8_t *) & stream, sizeof(stream)); | |
843 | ||
844 | isal_deflate_init(&stream); | |
845 | ||
224ce89b | 846 | set_random_hufftable(&stream); |
7c673cae FG |
847 | |
848 | if (state->state != ZSTATE_NEW_HDR) | |
849 | return COMPRESS_INCORRECT_STATE; | |
850 | ||
851 | stream.flush = flush_type; | |
852 | stream.avail_in = data_size; | |
853 | stream.next_in = data; | |
854 | stream.avail_out = *compressed_size; | |
855 | stream.next_out = compressed_buf; | |
856 | stream.end_of_stream = 1; | |
224ce89b WB |
857 | stream.gzip_flag = gzip_flag; |
858 | stream.level = level; | |
859 | ||
860 | if (level >= 1) { | |
861 | level_buf_size = rand() % IBUF_SIZE + ISAL_DEF_LVL1_MIN; | |
862 | level_buf = malloc(level_buf_size); | |
863 | create_rand_repeat_data(level_buf, level_buf_size); | |
864 | stream.level_buf = level_buf; | |
865 | stream.level_buf_size = level_buf_size; | |
866 | } | |
7c673cae FG |
867 | |
868 | ret = | |
869 | isal_deflate_with_checks(&stream, data_size, *compressed_size, data, data_size, | |
870 | data_size, compressed_buf, *compressed_size, 0); | |
871 | ||
224ce89b WB |
872 | if (level_buf != NULL) |
873 | free(level_buf); | |
874 | ||
7c673cae FG |
875 | /* Check if the compression is completed */ |
876 | if (state->state == ZSTATE_END) | |
877 | *compressed_size = stream.total_out; | |
878 | else if (flush_type == SYNC_FLUSH && stream.avail_out < 16) | |
879 | ret = COMPRESS_OUT_BUFFER_OVERFLOW; | |
880 | ||
881 | return ret; | |
882 | ||
883 | } | |
884 | ||
885 | /* Statelessly compress the input buffer into the output buffer */ | |
886 | int compress_stateless(uint8_t * data, uint32_t data_size, uint8_t * compressed_buf, | |
224ce89b WB |
887 | uint32_t * compressed_size, uint32_t flush_type, uint32_t gzip_flag, |
888 | uint32_t level) | |
7c673cae FG |
889 | { |
890 | int ret = IGZIP_COMP_OK; | |
891 | struct isal_zstream stream; | |
224ce89b WB |
892 | uint32_t level_buf_size; |
893 | uint8_t *level_buf = NULL; | |
7c673cae FG |
894 | |
895 | create_rand_repeat_data((uint8_t *) & stream, sizeof(stream)); | |
896 | ||
224ce89b | 897 | isal_deflate_stateless_init(&stream); |
7c673cae | 898 | |
224ce89b | 899 | set_random_hufftable(&stream); |
7c673cae FG |
900 | |
901 | stream.avail_in = data_size; | |
7c673cae | 902 | stream.next_in = data; |
224ce89b WB |
903 | stream.flush = flush_type; |
904 | if (flush_type != NO_FLUSH) | |
905 | stream.end_of_stream = 1; | |
7c673cae FG |
906 | stream.avail_out = *compressed_size; |
907 | stream.next_out = compressed_buf; | |
224ce89b WB |
908 | stream.gzip_flag = gzip_flag; |
909 | stream.level = level; | |
910 | ||
911 | if (level >= 1) { | |
912 | level_buf_size = rand() % IBUF_SIZE; | |
913 | if (level_buf_size >= ISAL_DEF_LVL1_MIN) { | |
914 | level_buf = malloc(level_buf_size); | |
915 | create_rand_repeat_data(level_buf, level_buf_size); | |
916 | stream.level_buf = level_buf; | |
917 | stream.level_buf_size = level_buf_size; | |
918 | } | |
919 | } | |
7c673cae FG |
920 | |
921 | ret = isal_deflate_stateless(&stream); | |
922 | ||
224ce89b WB |
923 | if (level_buf != NULL) |
924 | free(level_buf); | |
925 | ||
7c673cae FG |
926 | /* verify the stream */ |
927 | if (stream.next_in - data != stream.total_in || | |
928 | stream.total_in + stream.avail_in != data_size) | |
929 | return COMPRESS_INPUT_STREAM_INTEGRITY_ERROR; | |
930 | ||
931 | if (stream.next_out - compressed_buf != stream.total_out || | |
224ce89b | 932 | stream.total_out + stream.avail_out != *compressed_size) { |
7c673cae | 933 | return COMPRESS_OUTPUT_STREAM_INTEGRITY_ERROR; |
224ce89b | 934 | } |
7c673cae FG |
935 | |
936 | if (ret != IGZIP_COMP_OK) { | |
937 | if (ret == STATELESS_OVERFLOW) | |
938 | return COMPRESS_OUT_BUFFER_OVERFLOW; | |
224ce89b WB |
939 | else if (ret == INVALID_FLUSH) |
940 | return INVALID_FLUSH_ERROR; | |
7c673cae FG |
941 | else |
942 | return COMPRESS_GENERAL_ERROR; | |
943 | } | |
944 | ||
945 | if (!stream.end_of_stream) { | |
946 | return COMPRESS_END_OF_STREAM_NOT_SET; | |
947 | } | |
948 | ||
949 | if (stream.avail_in != 0) | |
950 | return COMPRESS_ALL_INPUT_FAIL; | |
951 | ||
952 | *compressed_size = stream.total_out; | |
953 | ||
954 | return ret; | |
955 | ||
956 | } | |
957 | ||
224ce89b WB |
958 | /* Statelessly compress the input buffer into the output buffer */ |
959 | int compress_stateless_full_flush(uint8_t * data, uint32_t data_size, uint8_t * compressed_buf, | |
960 | uint32_t * compressed_size, uint32_t level) | |
961 | { | |
962 | int ret = IGZIP_COMP_OK; | |
963 | uint8_t *in_buf = NULL, *level_buf = NULL, *out_buf = compressed_buf; | |
964 | uint32_t in_size = 0, level_buf_size; | |
965 | uint32_t in_processed = 00; | |
966 | struct isal_zstream stream; | |
967 | uint32_t loop_count = 0; | |
968 | ||
969 | #ifdef VERBOSE | |
970 | printf("Starting Stateless Compress Full Flush\n"); | |
971 | #endif | |
972 | ||
973 | create_rand_repeat_data((uint8_t *) & stream, sizeof(stream)); | |
974 | ||
975 | isal_deflate_stateless_init(&stream); | |
976 | ||
977 | stream.flush = FULL_FLUSH; | |
978 | stream.end_of_stream = 0; | |
979 | stream.avail_out = *compressed_size; | |
980 | stream.next_out = compressed_buf; | |
981 | stream.level = level; | |
982 | ||
983 | if (level >= 1) { | |
984 | level_buf_size = rand() % IBUF_SIZE; | |
985 | if (level_buf_size >= ISAL_DEF_LVL1_MIN) { | |
986 | level_buf = malloc(level_buf_size); | |
987 | create_rand_repeat_data(level_buf, level_buf_size); | |
988 | stream.level_buf = level_buf; | |
989 | stream.level_buf_size = level_buf_size; | |
990 | } | |
991 | } | |
992 | ||
993 | while (1) { | |
994 | loop_count++; | |
995 | ||
996 | /* Randomly choose size of the next out buffer */ | |
997 | in_size = rand() % (data_size + 1); | |
998 | ||
999 | /* Limit size of buffer to be smaller than maximum */ | |
1000 | if (in_size >= data_size - in_processed) { | |
1001 | in_size = data_size - in_processed; | |
1002 | stream.end_of_stream = 1; | |
1003 | } | |
1004 | ||
1005 | stream.avail_in = in_size; | |
1006 | ||
1007 | if (in_size != 0) { | |
1008 | if (in_buf != NULL) { | |
1009 | free(in_buf); | |
1010 | in_buf = NULL; | |
1011 | } | |
1012 | ||
1013 | in_buf = malloc(in_size); | |
1014 | if (in_buf == NULL) { | |
1015 | ret = MALLOC_FAILED; | |
1016 | break; | |
1017 | } | |
1018 | memcpy(in_buf, data + in_processed, in_size); | |
1019 | in_processed += in_size; | |
1020 | ||
1021 | stream.next_in = in_buf; | |
1022 | } | |
1023 | ||
1024 | out_buf = stream.next_out; | |
1025 | ||
1026 | if (stream.internal_state.state == ZSTATE_NEW_HDR) | |
1027 | set_random_hufftable(&stream); | |
1028 | ||
1029 | ret = isal_deflate_stateless(&stream); | |
1030 | assert(stream.internal_state.bitbuf.m_bit_count == 0); | |
1031 | ||
1032 | assert(compressed_buf == stream.next_out - stream.total_out); | |
1033 | if (ret) | |
1034 | break; | |
1035 | ||
1036 | /* Verify that blocks are independent */ | |
1037 | ret = inflate_check(out_buf, stream.next_out - out_buf, in_buf, in_size, 0); | |
1038 | ||
1039 | if (ret == INFLATE_INVALID_LOOK_BACK_DISTANCE) { | |
1040 | break; | |
1041 | } else | |
1042 | ret = 0; | |
1043 | ||
1044 | /* Check if the compression is completed */ | |
1045 | if (in_processed == data_size) { | |
1046 | *compressed_size = stream.total_out; | |
1047 | break; | |
1048 | } | |
1049 | ||
1050 | } | |
1051 | ||
1052 | if (level_buf != NULL) | |
1053 | free(level_buf); | |
1054 | ||
1055 | if (in_buf != NULL) | |
1056 | free(in_buf); | |
1057 | ||
1058 | if (ret == STATELESS_OVERFLOW && loop_count >= MAX_LOOPS) | |
1059 | ret = COMPRESS_LOOP_COUNT_OVERFLOW; | |
1060 | ||
1061 | return ret; | |
1062 | ||
1063 | } | |
1064 | ||
7c673cae FG |
1065 | /* Compress the input data into the output buffer where the input buffer and |
1066 | * is randomly segmented to test for independence of blocks in full flush | |
1067 | * compression*/ | |
1068 | int compress_full_flush(uint8_t * data, uint32_t data_size, uint8_t * compressed_buf, | |
224ce89b | 1069 | uint32_t * compressed_size, uint32_t gzip_flag, uint32_t level) |
7c673cae FG |
1070 | { |
1071 | int ret = IGZIP_COMP_OK; | |
224ce89b WB |
1072 | uint8_t *in_buf = NULL, *out_buf = compressed_buf, *level_buf = NULL; |
1073 | uint32_t in_size = 0, level_buf_size; | |
7c673cae FG |
1074 | uint32_t in_processed = 00; |
1075 | struct isal_zstream stream; | |
1076 | struct isal_zstate *state = &stream.internal_state; | |
1077 | uint32_t loop_count = 0; | |
1078 | ||
1079 | #ifdef VERBOSE | |
1080 | printf("Starting Compress Full Flush\n"); | |
1081 | #endif | |
1082 | ||
1083 | create_rand_repeat_data((uint8_t *) & stream, sizeof(stream)); | |
1084 | ||
1085 | isal_deflate_init(&stream); | |
1086 | ||
7c673cae FG |
1087 | if (state->state != ZSTATE_NEW_HDR) |
1088 | return COMPRESS_INCORRECT_STATE; | |
1089 | ||
1090 | stream.flush = FULL_FLUSH; | |
1091 | stream.end_of_stream = 0; | |
1092 | stream.avail_out = *compressed_size; | |
1093 | stream.next_out = compressed_buf; | |
1094 | stream.total_out = 0; | |
224ce89b WB |
1095 | stream.gzip_flag = gzip_flag; |
1096 | stream.level = level; | |
1097 | ||
1098 | if (level >= 1) { | |
1099 | level_buf_size = rand() % IBUF_SIZE + ISAL_DEF_LVL1_MIN; | |
1100 | if (level_buf_size >= ISAL_DEF_LVL1_MIN) { | |
1101 | level_buf = malloc(level_buf_size); | |
1102 | create_rand_repeat_data(level_buf, level_buf_size); | |
1103 | stream.level_buf = level_buf; | |
1104 | stream.level_buf_size = level_buf_size; | |
1105 | } | |
1106 | } | |
7c673cae FG |
1107 | |
1108 | while (1) { | |
1109 | loop_count++; | |
1110 | ||
1111 | /* Setup in buffer for next round of compression */ | |
1112 | if (state->state == ZSTATE_NEW_HDR) { | |
1113 | /* Randomly choose size of the next out buffer */ | |
1114 | in_size = rand() % (data_size + 1); | |
1115 | ||
1116 | /* Limit size of buffer to be smaller than maximum */ | |
1117 | if (in_size >= data_size - in_processed) { | |
1118 | in_size = data_size - in_processed; | |
1119 | stream.end_of_stream = 1; | |
1120 | } | |
1121 | ||
1122 | stream.avail_in = in_size; | |
1123 | ||
1124 | if (in_size != 0) { | |
1125 | if (in_buf != NULL) { | |
1126 | free(in_buf); | |
1127 | in_buf = NULL; | |
1128 | } | |
1129 | ||
1130 | in_buf = malloc(in_size); | |
1131 | if (in_buf == NULL) { | |
1132 | ret = MALLOC_FAILED; | |
1133 | break; | |
1134 | } | |
1135 | memcpy(in_buf, data + in_processed, in_size); | |
1136 | in_processed += in_size; | |
1137 | ||
1138 | stream.next_in = in_buf; | |
1139 | } | |
1140 | ||
1141 | out_buf = stream.next_out; | |
1142 | } | |
1143 | ||
224ce89b WB |
1144 | if (state->state == ZSTATE_NEW_HDR) |
1145 | set_random_hufftable(&stream); | |
1146 | ||
7c673cae FG |
1147 | ret = isal_deflate(&stream); |
1148 | ||
1149 | if (ret) | |
1150 | break; | |
1151 | ||
1152 | /* Verify that blocks are independent */ | |
1153 | if (state->state == ZSTATE_NEW_HDR || state->state == ZSTATE_END) { | |
1154 | ret = | |
224ce89b WB |
1155 | inflate_check(out_buf, stream.next_out - out_buf, in_buf, in_size, |
1156 | 0); | |
7c673cae FG |
1157 | |
1158 | if (ret == INFLATE_INVALID_LOOK_BACK_DISTANCE) | |
1159 | break; | |
1160 | else | |
1161 | ret = 0; | |
1162 | } | |
1163 | ||
1164 | /* Check if the compression is completed */ | |
1165 | if (state->state == ZSTATE_END) { | |
1166 | *compressed_size = stream.total_out; | |
1167 | break; | |
1168 | } | |
1169 | ||
1170 | } | |
1171 | ||
224ce89b WB |
1172 | if (level_buf != NULL) |
1173 | free(level_buf); | |
1174 | ||
7c673cae FG |
1175 | if (in_buf != NULL) |
1176 | free(in_buf); | |
1177 | ||
1178 | if (ret == COMPRESS_OUT_BUFFER_OVERFLOW && loop_count >= MAX_LOOPS) | |
1179 | ret = COMPRESS_LOOP_COUNT_OVERFLOW; | |
1180 | ||
1181 | return ret; | |
1182 | ||
1183 | } | |
1184 | ||
1185 | /*Compress the input buffer into the output buffer, but switch the flush type in | |
1186 | * the middle of the compression to test what happens*/ | |
1187 | int compress_swap_flush(uint8_t * data, uint32_t data_size, uint8_t * compressed_buf, | |
224ce89b | 1188 | uint32_t * compressed_size, uint32_t flush_type, uint32_t gzip_flag) |
7c673cae FG |
1189 | { |
1190 | int ret = IGZIP_COMP_OK; | |
1191 | struct isal_zstream stream; | |
1192 | struct isal_zstate *state = &stream.internal_state; | |
1193 | uint32_t partial_size; | |
1194 | ||
1195 | #ifdef VERBOSE | |
1196 | printf("Starting Compress Swap Flush\n"); | |
1197 | #endif | |
1198 | ||
1199 | isal_deflate_init(&stream); | |
1200 | ||
224ce89b | 1201 | set_random_hufftable(&stream); |
7c673cae FG |
1202 | |
1203 | if (state->state != ZSTATE_NEW_HDR) | |
1204 | return COMPRESS_INCORRECT_STATE; | |
1205 | ||
1206 | partial_size = rand() % (data_size + 1); | |
1207 | ||
1208 | stream.flush = flush_type; | |
1209 | stream.avail_in = partial_size; | |
1210 | stream.next_in = data; | |
1211 | stream.avail_out = *compressed_size; | |
1212 | stream.next_out = compressed_buf; | |
1213 | stream.end_of_stream = 0; | |
224ce89b | 1214 | stream.gzip_flag = gzip_flag; |
7c673cae FG |
1215 | |
1216 | ret = | |
1217 | isal_deflate_with_checks(&stream, data_size, *compressed_size, data, partial_size, | |
1218 | partial_size, compressed_buf, *compressed_size, 0); | |
1219 | ||
1220 | if (ret) | |
1221 | return ret; | |
1222 | ||
224ce89b WB |
1223 | if (state->state == ZSTATE_NEW_HDR) |
1224 | set_random_hufftable(&stream); | |
1225 | ||
7c673cae FG |
1226 | flush_type = rand() % 3; |
1227 | ||
1228 | stream.flush = flush_type; | |
1229 | stream.avail_in = data_size - partial_size; | |
1230 | stream.next_in = data + partial_size; | |
1231 | stream.end_of_stream = 1; | |
1232 | ||
1233 | ret = | |
1234 | isal_deflate_with_checks(&stream, data_size, *compressed_size, data + partial_size, | |
1235 | data_size - partial_size, data_size, compressed_buf, | |
1236 | *compressed_size, 0); | |
1237 | ||
1238 | if (ret == COMPRESS_GENERAL_ERROR) | |
1239 | return INVALID_FLUSH_ERROR; | |
1240 | ||
1241 | *compressed_size = stream.total_out; | |
1242 | ||
1243 | return ret; | |
1244 | } | |
1245 | ||
1246 | /* Test deflate_stateless */ | |
224ce89b | 1247 | int test_compress_stateless(uint8_t * in_data, uint32_t in_size, uint32_t flush_type) |
7c673cae FG |
1248 | { |
1249 | int ret = IGZIP_COMP_OK; | |
224ce89b | 1250 | uint32_t z_size, overflow, gzip_flag, level; |
7c673cae FG |
1251 | uint8_t *z_buf = NULL; |
1252 | uint8_t *in_buf = NULL; | |
1253 | ||
224ce89b WB |
1254 | gzip_flag = rand() % 3; |
1255 | level = rand() % 2; | |
1256 | ||
7c673cae FG |
1257 | if (in_size != 0) { |
1258 | in_buf = malloc(in_size); | |
1259 | ||
1260 | if (in_buf == NULL) | |
1261 | return MALLOC_FAILED; | |
1262 | ||
1263 | memcpy(in_buf, in_data, in_size); | |
1264 | } | |
1265 | ||
1266 | /* Test non-overflow case where a type 0 block is not written */ | |
224ce89b WB |
1267 | z_size = 2 * in_size + hdr_bytes; |
1268 | if (gzip_flag) | |
1269 | z_size += gzip_extra_bytes; | |
7c673cae FG |
1270 | |
1271 | z_buf = malloc(z_size); | |
1272 | ||
1273 | if (z_buf == NULL) | |
1274 | return MALLOC_FAILED; | |
1275 | ||
1276 | create_rand_repeat_data(z_buf, z_size); | |
1277 | ||
224ce89b WB |
1278 | /* If flush type is invalid */ |
1279 | if (flush_type != NO_FLUSH && flush_type != FULL_FLUSH) { | |
1280 | ret = | |
1281 | compress_stateless(in_buf, in_size, z_buf, &z_size, flush_type, gzip_flag, | |
1282 | level); | |
1283 | ||
1284 | if (ret != INVALID_FLUSH_ERROR) | |
1285 | print_error(ret); | |
1286 | else | |
1287 | ret = 0; | |
1288 | ||
1289 | if (z_buf != NULL) | |
1290 | free(z_buf); | |
1291 | ||
1292 | if (in_buf != NULL) | |
1293 | free(in_buf); | |
1294 | ||
1295 | return ret; | |
1296 | } | |
1297 | ||
1298 | /* Else test valid flush type */ | |
1299 | ret = | |
1300 | compress_stateless(in_buf, in_size, z_buf, &z_size, flush_type, gzip_flag, level); | |
7c673cae FG |
1301 | |
1302 | if (!ret) | |
224ce89b | 1303 | ret = inflate_check(z_buf, z_size, in_buf, in_size, gzip_flag); |
7c673cae FG |
1304 | |
1305 | #ifdef VERBOSE | |
1306 | if (ret) { | |
224ce89b | 1307 | printf("Compressed array at level %d with gzip flag %d: ", level, gzip_flag); |
7c673cae FG |
1308 | print_uint8_t(z_buf, z_size); |
1309 | printf("\n"); | |
1310 | printf("Data: "); | |
1311 | print_uint8_t(in_buf, in_size); | |
1312 | } | |
1313 | #endif | |
1314 | if (z_buf != NULL) { | |
1315 | free(z_buf); | |
1316 | z_buf = NULL; | |
1317 | } | |
224ce89b | 1318 | |
7c673cae FG |
1319 | print_error(ret); |
1320 | if (ret) | |
1321 | return ret; | |
1322 | ||
1323 | /*Test non-overflow case where a type 0 block is possible to be written */ | |
224ce89b WB |
1324 | z_size = TYPE0_HDR_SIZE * ((in_size + TYPE0_MAX_SIZE - 1) / TYPE0_MAX_SIZE) + in_size; |
1325 | if (gzip_flag) | |
1326 | z_size += gzip_extra_bytes; | |
7c673cae FG |
1327 | |
1328 | if (z_size == gzip_extra_bytes) | |
1329 | z_size += TYPE0_HDR_SIZE; | |
1330 | ||
1331 | if (z_size < 8) | |
1332 | z_size = 8; | |
1333 | ||
1334 | z_buf = malloc(z_size); | |
1335 | ||
1336 | if (z_buf == NULL) | |
1337 | return MALLOC_FAILED; | |
1338 | ||
1339 | create_rand_repeat_data(z_buf, z_size); | |
1340 | ||
224ce89b WB |
1341 | ret = |
1342 | compress_stateless(in_buf, in_size, z_buf, &z_size, flush_type, gzip_flag, level); | |
7c673cae | 1343 | if (!ret) |
224ce89b | 1344 | ret = inflate_check(z_buf, z_size, in_buf, in_size, gzip_flag); |
7c673cae FG |
1345 | #ifdef VERBOSE |
1346 | if (ret) { | |
224ce89b | 1347 | printf("Compressed array at level %d with gzip flag %d: ", level, gzip_flag); |
7c673cae FG |
1348 | print_uint8_t(z_buf, z_size); |
1349 | printf("\n"); | |
1350 | printf("Data: "); | |
1351 | print_uint8_t(in_buf, in_size); | |
1352 | } | |
1353 | #endif | |
1354 | ||
1355 | if (!ret) { | |
1356 | free(z_buf); | |
1357 | z_buf = NULL; | |
1358 | ||
1359 | /* Test random overflow case */ | |
1360 | z_size = rand() % z_size; | |
1361 | ||
1362 | if (z_size > in_size) | |
1363 | z_size = rand() & in_size; | |
1364 | ||
1365 | if (z_size > 0) { | |
1366 | z_buf = malloc(z_size); | |
1367 | ||
1368 | if (z_buf == NULL) | |
1369 | return MALLOC_FAILED; | |
1370 | } | |
1371 | ||
224ce89b WB |
1372 | overflow = |
1373 | compress_stateless(in_buf, in_size, z_buf, &z_size, flush_type, gzip_flag, | |
1374 | level); | |
7c673cae FG |
1375 | |
1376 | if (overflow != COMPRESS_OUT_BUFFER_OVERFLOW) { | |
1377 | #ifdef VERBOSE | |
1378 | printf("overflow error = %d\n", overflow); | |
1379 | print_error(overflow); | |
1380 | if (overflow == 0) { | |
224ce89b WB |
1381 | overflow = |
1382 | inflate_check(z_buf, z_size, in_buf, in_size, gzip_flag); | |
7c673cae FG |
1383 | printf("inflate ret = %d\n", overflow); |
1384 | print_error(overflow); | |
1385 | } | |
224ce89b WB |
1386 | printf("Compressed array at level %d with gzip flag %d: ", level, |
1387 | gzip_flag); | |
7c673cae FG |
1388 | print_uint8_t(z_buf, z_size); |
1389 | printf("\n"); | |
1390 | printf("Data: "); | |
1391 | print_uint8_t(in_buf, in_size); | |
1392 | #endif | |
7c673cae FG |
1393 | } |
1394 | } | |
1395 | ||
1396 | print_error(ret); | |
224ce89b WB |
1397 | if (ret) { |
1398 | if (z_buf != NULL) { | |
1399 | free(z_buf); | |
1400 | z_buf = NULL; | |
1401 | } | |
1402 | if (in_buf != NULL) | |
1403 | free(in_buf); | |
1404 | return ret; | |
1405 | } | |
1406 | ||
1407 | if (flush_type == FULL_FLUSH) { | |
1408 | if (z_buf != NULL) | |
1409 | free(z_buf); | |
1410 | ||
1411 | z_size = 2 * in_size + MAX_LOOPS * (hdr_bytes + 5); | |
1412 | ||
1413 | z_buf = malloc(z_size); | |
1414 | ||
1415 | if (z_buf == NULL) | |
1416 | return MALLOC_FAILED; | |
7c673cae | 1417 | |
224ce89b WB |
1418 | create_rand_repeat_data(z_buf, z_size); |
1419 | ||
1420 | /* Else test valid flush type */ | |
1421 | ret = compress_stateless_full_flush(in_buf, in_size, z_buf, &z_size, level); | |
1422 | ||
1423 | if (!ret) | |
1424 | ret = inflate_check(z_buf, z_size, in_buf, in_size, 0); | |
1425 | else if (ret == COMPRESS_LOOP_COUNT_OVERFLOW) | |
1426 | ret = 0; | |
1427 | ||
1428 | print_error(ret); | |
1429 | #ifdef VERBOSE | |
1430 | if (ret) { | |
1431 | printf("Compressed array at level %d with gzip flag %d: ", level, | |
1432 | gzip_flag); | |
1433 | print_uint8_t(z_buf, z_size); | |
1434 | printf("\n"); | |
1435 | printf("Data: "); | |
1436 | print_uint8_t(in_buf, in_size); | |
1437 | } | |
1438 | #endif | |
1439 | } | |
7c673cae FG |
1440 | if (z_buf != NULL) |
1441 | free(z_buf); | |
1442 | ||
1443 | if (in_buf != NULL) | |
1444 | free(in_buf); | |
1445 | ||
1446 | return ret; | |
1447 | } | |
1448 | ||
1449 | /* Test deflate */ | |
1450 | int test_compress(uint8_t * in_buf, uint32_t in_size, uint32_t flush_type) | |
1451 | { | |
1452 | int ret = IGZIP_COMP_OK, fin_ret = IGZIP_COMP_OK; | |
224ce89b | 1453 | uint32_t overflow = 0, gzip_flag, level; |
7c673cae FG |
1454 | uint32_t z_size, z_size_max, z_compressed_size; |
1455 | uint8_t *z_buf = NULL; | |
1456 | ||
1457 | /* Test a non overflow case */ | |
1458 | if (flush_type == NO_FLUSH) | |
224ce89b | 1459 | z_size_max = 2 * in_size + hdr_bytes + 2; |
7c673cae | 1460 | else if (flush_type == SYNC_FLUSH || flush_type == FULL_FLUSH) |
224ce89b | 1461 | z_size_max = 2 * in_size + MAX_LOOPS * (hdr_bytes + 5); |
7c673cae FG |
1462 | else { |
1463 | printf("Invalid Flush Parameter\n"); | |
1464 | return COMPRESS_GENERAL_ERROR; | |
1465 | } | |
1466 | ||
224ce89b WB |
1467 | gzip_flag = rand() % 3; |
1468 | level = rand() % 2; | |
1469 | if (gzip_flag) | |
1470 | z_size_max += gzip_extra_bytes; | |
1471 | ||
7c673cae FG |
1472 | z_size = z_size_max; |
1473 | ||
1474 | z_buf = malloc(z_size); | |
1475 | if (z_buf == NULL) { | |
1476 | print_error(MALLOC_FAILED); | |
1477 | return MALLOC_FAILED; | |
1478 | } | |
224ce89b | 1479 | create_rand_repeat_data(z_buf, z_size); |
7c673cae | 1480 | |
224ce89b WB |
1481 | ret = compress_single_pass(in_buf, in_size, z_buf, &z_size, flush_type, |
1482 | gzip_flag, level); | |
7c673cae FG |
1483 | |
1484 | if (!ret) | |
224ce89b | 1485 | ret = inflate_check(z_buf, z_size, in_buf, in_size, gzip_flag); |
7c673cae FG |
1486 | |
1487 | if (ret) { | |
1488 | #ifdef VERBOSE | |
224ce89b | 1489 | printf("Compressed array at level %d with gzip flag %d: ", level, gzip_flag); |
7c673cae FG |
1490 | print_uint8_t(z_buf, z_size); |
1491 | printf("\n"); | |
1492 | printf("Data: "); | |
1493 | print_uint8_t(in_buf, in_size); | |
1494 | #endif | |
1495 | printf("Failed on compress single pass\n"); | |
1496 | print_error(ret); | |
1497 | } | |
1498 | ||
1499 | fin_ret |= ret; | |
1500 | ||
1501 | z_compressed_size = z_size; | |
1502 | z_size = z_size_max; | |
1503 | create_rand_repeat_data(z_buf, z_size_max); | |
1504 | ||
224ce89b WB |
1505 | ret = |
1506 | compress_multi_pass(in_buf, in_size, z_buf, &z_size, flush_type, gzip_flag, level); | |
7c673cae FG |
1507 | |
1508 | if (!ret) | |
224ce89b | 1509 | ret = inflate_check(z_buf, z_size, in_buf, in_size, gzip_flag); |
7c673cae FG |
1510 | |
1511 | if (ret) { | |
1512 | #ifdef VERBOSE | |
224ce89b | 1513 | printf("Compressed array at level %d with gzip flag %d: ", level, gzip_flag); |
7c673cae FG |
1514 | print_uint8_t(z_buf, z_size); |
1515 | printf("\n"); | |
1516 | printf("Data: "); | |
1517 | print_uint8_t(in_buf, in_size); | |
1518 | #endif | |
1519 | printf("Failed on compress multi pass\n"); | |
1520 | print_error(ret); | |
1521 | } | |
1522 | ||
1523 | fin_ret |= ret; | |
1524 | ||
1525 | ret = 0; | |
1526 | ||
1527 | /* Test random overflow case */ | |
1528 | if (flush_type == SYNC_FLUSH && z_compressed_size > in_size) | |
1529 | z_compressed_size = in_size + 1; | |
1530 | ||
1531 | z_size = rand() % z_compressed_size; | |
1532 | create_rand_repeat_data(z_buf, z_size_max); | |
1533 | ||
224ce89b WB |
1534 | overflow = compress_single_pass(in_buf, in_size, z_buf, &z_size, flush_type, |
1535 | gzip_flag, level); | |
7c673cae FG |
1536 | |
1537 | if (overflow != COMPRESS_OUT_BUFFER_OVERFLOW) { | |
1538 | if (overflow == 0) | |
224ce89b | 1539 | ret = inflate_check(z_buf, z_size, in_buf, in_size, gzip_flag); |
7c673cae FG |
1540 | |
1541 | /* Rarely single pass overflow will compresses data | |
1542 | * better than the initial run. This is to stop that | |
1543 | * case from erroring. */ | |
1544 | if (overflow != 0 || ret != 0) { | |
1545 | #ifdef VERBOSE | |
1546 | printf("overflow error = %d\n", overflow); | |
1547 | print_error(overflow); | |
1548 | printf("inflate ret = %d\n", ret); | |
1549 | print_error(overflow); | |
1550 | ||
224ce89b WB |
1551 | printf("Compressed array at level %d with gzip flag %d: ", level, |
1552 | gzip_flag); | |
7c673cae FG |
1553 | print_uint8_t(z_buf, z_size); |
1554 | printf("\n"); | |
1555 | printf("Data: "); | |
1556 | print_uint8_t(in_buf, in_size); | |
1557 | #endif | |
1558 | printf("Failed on compress multi pass overflow\n"); | |
1559 | print_error(ret); | |
1560 | ret = OVERFLOW_TEST_ERROR; | |
1561 | } | |
1562 | } | |
1563 | ||
1564 | fin_ret |= ret; | |
1565 | ||
1566 | if (flush_type == NO_FLUSH) { | |
1567 | create_rand_repeat_data(z_buf, z_size_max); | |
1568 | ||
224ce89b WB |
1569 | overflow = |
1570 | compress_multi_pass(in_buf, in_size, z_buf, &z_size, flush_type, | |
1571 | gzip_flag, level); | |
7c673cae FG |
1572 | |
1573 | if (overflow != COMPRESS_OUT_BUFFER_OVERFLOW) { | |
1574 | if (overflow == 0) | |
224ce89b | 1575 | ret = inflate_check(z_buf, z_size, in_buf, in_size, gzip_flag); |
7c673cae FG |
1576 | |
1577 | /* Rarely multi pass overflow will compresses data | |
1578 | * better than the initial run. This is to stop that | |
1579 | * case from erroring */ | |
1580 | if (overflow != 0 || ret != 0) { | |
1581 | #ifdef VERBOSE | |
1582 | printf("overflow error = %d\n", overflow); | |
1583 | print_error(overflow); | |
1584 | printf("inflate ret = %d\n", ret); | |
1585 | print_error(overflow); | |
1586 | ||
224ce89b WB |
1587 | printf("Compressed array at level %d with gzip flag %d: ", |
1588 | level, gzip_flag); | |
7c673cae FG |
1589 | print_uint8_t(z_buf, z_size); |
1590 | printf("\n"); | |
1591 | printf("Data: "); | |
1592 | print_uint8_t(in_buf, in_size); | |
1593 | #endif | |
1594 | printf("Failed on compress multi pass overflow\n"); | |
1595 | print_error(ret); | |
1596 | ret = OVERFLOW_TEST_ERROR; | |
1597 | } | |
1598 | } | |
1599 | fin_ret |= ret; | |
1600 | } | |
1601 | ||
1602 | free(z_buf); | |
1603 | ||
1604 | return fin_ret; | |
1605 | } | |
1606 | ||
1607 | /* Test swapping flush types in the middle of compression */ | |
1608 | int test_flush(uint8_t * in_buf, uint32_t in_size) | |
1609 | { | |
1610 | int fin_ret = IGZIP_COMP_OK, ret; | |
224ce89b | 1611 | uint32_t z_size, flush_type = 0, gzip_flag, level; |
7c673cae FG |
1612 | uint8_t *z_buf = NULL; |
1613 | ||
224ce89b WB |
1614 | gzip_flag = rand() % 3; |
1615 | level = rand() % 2; | |
7c673cae | 1616 | |
224ce89b WB |
1617 | z_size = 2 * in_size + 2 * hdr_bytes + 8; |
1618 | if (gzip_flag) | |
1619 | z_size += gzip_extra_bytes; | |
7c673cae FG |
1620 | z_buf = malloc(z_size); |
1621 | ||
1622 | if (z_buf == NULL) | |
1623 | return MALLOC_FAILED; | |
1624 | ||
1625 | create_rand_repeat_data(z_buf, z_size); | |
1626 | ||
1627 | while (flush_type < 3) | |
1628 | flush_type = rand(); | |
1629 | ||
1630 | /* Test invalid flush */ | |
224ce89b WB |
1631 | ret = compress_single_pass(in_buf, in_size, z_buf, &z_size, flush_type, |
1632 | gzip_flag, level); | |
7c673cae FG |
1633 | |
1634 | if (ret == COMPRESS_GENERAL_ERROR) | |
1635 | ret = 0; | |
1636 | else { | |
1637 | printf("Failed when passing invalid flush parameter\n"); | |
1638 | ret = INVALID_FLUSH_ERROR; | |
1639 | } | |
1640 | ||
1641 | fin_ret |= ret; | |
1642 | print_error(ret); | |
1643 | ||
1644 | create_rand_repeat_data(z_buf, z_size); | |
1645 | ||
1646 | /* Test swapping flush type */ | |
224ce89b | 1647 | ret = compress_swap_flush(in_buf, in_size, z_buf, &z_size, rand() % 3, gzip_flag); |
7c673cae FG |
1648 | |
1649 | if (!ret) | |
224ce89b | 1650 | ret = inflate_check(z_buf, z_size, in_buf, in_size, gzip_flag); |
7c673cae FG |
1651 | |
1652 | if (ret) { | |
1653 | #ifdef VERBOSE | |
224ce89b | 1654 | printf("Compressed array at level %d with gzip flag %d: ", level, gzip_flag); |
7c673cae FG |
1655 | print_uint8_t(z_buf, z_size); |
1656 | printf("\n"); | |
1657 | printf("Data: "); | |
1658 | print_uint8_t(in_buf, in_size); | |
1659 | #endif | |
1660 | printf("Failed on swapping flush type\n"); | |
1661 | print_error(ret); | |
1662 | } | |
1663 | ||
1664 | fin_ret |= ret; | |
1665 | print_error(ret); | |
1666 | ||
1667 | return fin_ret; | |
1668 | } | |
1669 | ||
1670 | /* Test there are no length distance pairs across full flushes */ | |
1671 | int test_full_flush(uint8_t * in_buf, uint32_t in_size) | |
1672 | { | |
1673 | int ret = IGZIP_COMP_OK; | |
224ce89b | 1674 | uint32_t z_size, gzip_flag, level; |
7c673cae FG |
1675 | uint8_t *z_buf = NULL; |
1676 | ||
224ce89b WB |
1677 | gzip_flag = rand() % 3; |
1678 | level = rand() % 2; | |
1679 | z_size = 2 * in_size + MAX_LOOPS * (hdr_bytes + 5); | |
1680 | ||
1681 | if (gzip_flag) | |
1682 | z_size += gzip_extra_bytes; | |
7c673cae FG |
1683 | |
1684 | z_buf = malloc(z_size); | |
1685 | if (z_buf == NULL) { | |
1686 | print_error(MALLOC_FAILED); | |
1687 | return MALLOC_FAILED; | |
1688 | } | |
1689 | ||
1690 | create_rand_repeat_data(z_buf, z_size); | |
1691 | ||
224ce89b | 1692 | ret = compress_full_flush(in_buf, in_size, z_buf, &z_size, gzip_flag, level); |
7c673cae FG |
1693 | |
1694 | if (!ret) | |
224ce89b | 1695 | ret = inflate_check(z_buf, z_size, in_buf, in_size, gzip_flag); |
7c673cae FG |
1696 | |
1697 | if (ret) { | |
1698 | #ifdef VERBOSE | |
1699 | printf("Compressed array: "); | |
1700 | print_uint8_t(z_buf, z_size); | |
1701 | printf("\n"); | |
1702 | printf("Data: "); | |
1703 | print_uint8_t(in_buf, in_size); | |
1704 | #endif | |
1705 | printf("Failed on compress multi pass\n"); | |
1706 | print_error(ret); | |
1707 | } | |
1708 | ||
1709 | free(z_buf); | |
1710 | ||
1711 | return ret; | |
1712 | } | |
1713 | ||
224ce89b WB |
1714 | int test_inflate(struct vect_result *in_vector) |
1715 | { | |
1716 | int ret = IGZIP_COMP_OK; | |
1717 | uint8_t *compress_buf = in_vector->vector, *out_buf = NULL; | |
1718 | uint64_t compress_len = in_vector->vector_length; | |
1719 | uint32_t out_size = 0; | |
1720 | ||
1721 | out_size = 10 * in_vector->vector_length; | |
1722 | out_buf = malloc(out_size); | |
1723 | if (out_buf == NULL) | |
1724 | return MALLOC_FAILED; | |
1725 | ||
1726 | ret = inflate_stateless_pass(compress_buf, compress_len, out_buf, &out_size, 0); | |
1727 | ||
1728 | if (ret == INFLATE_LEFTOVER_INPUT) | |
1729 | ret = ISAL_DECOMP_OK; | |
1730 | ||
1731 | if (ret != in_vector->expected_error) | |
1732 | printf("Inflate return value incorrect, %d != %d\n", ret, | |
1733 | in_vector->expected_error); | |
1734 | else | |
1735 | ret = IGZIP_COMP_OK; | |
1736 | ||
1737 | if (!ret) { | |
1738 | ret = inflate_multi_pass(compress_buf, compress_len, out_buf, &out_size, 0); | |
1739 | ||
1740 | if (ret == INFLATE_LEFTOVER_INPUT) | |
1741 | ret = ISAL_DECOMP_OK; | |
1742 | ||
1743 | if (ret != in_vector->expected_error) | |
1744 | printf("Inflate return value incorrect, %d != %d\n", ret, | |
1745 | in_vector->expected_error); | |
1746 | else | |
1747 | ret = IGZIP_COMP_OK; | |
1748 | } | |
1749 | ||
1750 | return ret; | |
1751 | ||
1752 | } | |
1753 | ||
7c673cae FG |
1754 | int get_filesize(FILE * f) |
1755 | { | |
1756 | int curr, end; | |
1757 | ||
1758 | curr = ftell(f); /* Save current position */ | |
1759 | fseek(f, 0L, SEEK_END); | |
1760 | end = ftell(f); | |
1761 | fseek(f, curr, SEEK_SET); /* Restore position */ | |
1762 | return end; | |
1763 | } | |
1764 | ||
1765 | /* Run multiple compression tests on data stored in a file */ | |
1766 | int test_compress_file(char *file_name) | |
1767 | { | |
1768 | int ret = IGZIP_COMP_OK; | |
1769 | uint32_t in_size; | |
1770 | uint8_t *in_buf = NULL; | |
1771 | FILE *in_file = NULL; | |
1772 | ||
1773 | in_file = fopen(file_name, "rb"); | |
1774 | if (!in_file) | |
1775 | return FILE_READ_FAILED; | |
1776 | ||
1777 | in_size = get_filesize(in_file); | |
1778 | if (in_size != 0) { | |
1779 | in_buf = malloc(in_size); | |
1780 | if (in_buf == NULL) | |
1781 | return MALLOC_FAILED; | |
1782 | fread(in_buf, 1, in_size, in_file); | |
1783 | } | |
1784 | ||
224ce89b WB |
1785 | ret |= test_compress_stateless(in_buf, in_size, NO_FLUSH); |
1786 | ret |= test_compress_stateless(in_buf, in_size, SYNC_FLUSH); | |
1787 | ret |= test_compress_stateless(in_buf, in_size, FULL_FLUSH); | |
7c673cae FG |
1788 | ret |= test_compress(in_buf, in_size, NO_FLUSH); |
1789 | ret |= test_compress(in_buf, in_size, SYNC_FLUSH); | |
1790 | ret |= test_compress(in_buf, in_size, FULL_FLUSH); | |
1791 | ret |= test_flush(in_buf, in_size); | |
1792 | ||
1793 | if (ret) | |
1794 | printf("Failed on file %s\n", file_name); | |
1795 | ||
1796 | if (in_buf != NULL) | |
1797 | free(in_buf); | |
1798 | ||
1799 | return ret; | |
1800 | } | |
1801 | ||
1802 | int create_custom_hufftables(struct isal_hufftables *hufftables_custom, int argc, char *argv[]) | |
1803 | { | |
1804 | long int file_length; | |
1805 | uint8_t *stream = NULL; | |
1806 | struct isal_huff_histogram histogram; | |
1807 | FILE *file; | |
1808 | ||
1809 | memset(&histogram, 0, sizeof(histogram)); | |
1810 | ||
1811 | while (argc > 1) { | |
1812 | printf("Processing %s\n", argv[argc - 1]); | |
1813 | file = fopen(argv[argc - 1], "r"); | |
1814 | if (file == NULL) { | |
1815 | printf("Error opening file\n"); | |
1816 | return 1; | |
1817 | } | |
1818 | fseek(file, 0, SEEK_END); | |
1819 | file_length = ftell(file); | |
1820 | fseek(file, 0, SEEK_SET); | |
1821 | file_length -= ftell(file); | |
1822 | ||
1823 | if (file_length > 0) { | |
1824 | stream = malloc(file_length); | |
1825 | if (stream == NULL) { | |
1826 | printf("Failed to allocate memory to read in file\n"); | |
1827 | fclose(file); | |
1828 | return 1; | |
1829 | } | |
1830 | } | |
1831 | ||
1832 | fread(stream, 1, file_length, file); | |
1833 | ||
1834 | if (ferror(file)) { | |
224ce89b | 1835 | printf("Error occurred when reading file\n"); |
7c673cae FG |
1836 | fclose(file); |
1837 | free(stream); | |
224ce89b | 1838 | stream = NULL; |
7c673cae FG |
1839 | return 1; |
1840 | } | |
1841 | ||
1842 | /* Create a histogram of frequency of symbols found in stream to | |
1843 | * generate the huffman tree.*/ | |
1844 | isal_update_histogram(stream, file_length, &histogram); | |
1845 | ||
1846 | fclose(file); | |
224ce89b WB |
1847 | if (stream != NULL) { |
1848 | free(stream); | |
1849 | stream = NULL; | |
1850 | } | |
7c673cae FG |
1851 | argc--; |
1852 | } | |
1853 | ||
1854 | return isal_create_hufftables(hufftables_custom, &histogram); | |
1855 | ||
1856 | } | |
1857 | ||
1858 | int main(int argc, char *argv[]) | |
1859 | { | |
1860 | int i = 0, ret = 0, fin_ret = 0; | |
1861 | uint32_t in_size = 0, offset = 0; | |
1862 | uint8_t *in_buf; | |
1863 | struct isal_hufftables hufftables_custom; | |
1864 | ||
1865 | #ifndef VERBOSE | |
1866 | setbuf(stdout, NULL); | |
1867 | #endif | |
1868 | ||
224ce89b | 1869 | printf("Window Size: %d K\n", IGZIP_HIST_SIZE / 1024); |
7c673cae FG |
1870 | printf("Test Seed : %d\n", TEST_SEED); |
1871 | printf("Randoms : %d\n", RANDOMS); | |
1872 | srand(TEST_SEED); | |
1873 | ||
1874 | if (argc > 1) { | |
1875 | ret = create_custom_hufftables(&hufftables_custom, argc, argv); | |
1876 | if (ret == 0) | |
1877 | hufftables = &hufftables_custom; | |
1878 | else { | |
1879 | printf("Failed to generate custom hufftable"); | |
1880 | return -1; | |
1881 | } | |
1882 | } | |
1883 | ||
1884 | in_buf = malloc(IBUF_SIZE); | |
1885 | memset(in_buf, 0, IBUF_SIZE); | |
1886 | ||
1887 | if (in_buf == NULL) { | |
1888 | fprintf(stderr, "Can't allocate in_buf memory\n"); | |
1889 | return -1; | |
1890 | } | |
1891 | ||
1892 | if (argc > 1) { | |
224ce89b | 1893 | printf("igzip_rand_test files: "); |
7c673cae FG |
1894 | |
1895 | for (i = 1; i < argc; i++) { | |
1896 | ret |= test_compress_file(argv[i]); | |
1897 | if (ret) | |
1898 | return ret; | |
1899 | } | |
1900 | ||
1901 | printf("................"); | |
1902 | printf("%s\n", ret ? "Fail" : "Pass"); | |
1903 | fin_ret |= ret; | |
1904 | } | |
1905 | ||
224ce89b | 1906 | printf("igzip_rand_test stateless: "); |
7c673cae | 1907 | |
224ce89b | 1908 | ret = test_compress_stateless((uint8_t *) str1, sizeof(str1), NO_FLUSH); |
7c673cae FG |
1909 | if (ret) |
1910 | return ret; | |
1911 | ||
224ce89b | 1912 | ret |= test_compress_stateless((uint8_t *) str2, sizeof(str2), NO_FLUSH); |
7c673cae FG |
1913 | if (ret) |
1914 | return ret; | |
1915 | ||
1916 | for (i = 0; i < RANDOMS; i++) { | |
1917 | in_size = rand() % (IBUF_SIZE + 1); | |
1918 | offset = rand() % (IBUF_SIZE + 1 - in_size); | |
1919 | in_buf += offset; | |
1920 | ||
1921 | create_rand_repeat_data(in_buf, in_size); | |
1922 | ||
224ce89b | 1923 | ret |= test_compress_stateless(in_buf, in_size, NO_FLUSH); |
7c673cae FG |
1924 | |
1925 | in_buf -= offset; | |
1926 | ||
1927 | if (i % (RANDOMS / 16) == 0) | |
1928 | printf("."); | |
1929 | ||
1930 | if (ret) | |
1931 | return ret; | |
1932 | } | |
1933 | ||
1934 | for (i = 0; i < RANDOMS / 16; i++) { | |
1935 | create_rand_repeat_data(in_buf, PAGE_SIZE); | |
224ce89b WB |
1936 | ret |= test_compress_stateless(in_buf, PAGE_SIZE, NO_FLUSH); // good for efence |
1937 | if (ret) | |
1938 | return ret; | |
1939 | } | |
1940 | ||
1941 | fin_ret |= ret; | |
1942 | ||
1943 | ret = test_compress_stateless((uint8_t *) str1, sizeof(str1), SYNC_FLUSH); | |
1944 | if (ret) | |
1945 | return ret; | |
1946 | ||
1947 | ret |= test_compress_stateless((uint8_t *) str2, sizeof(str2), SYNC_FLUSH); | |
1948 | if (ret) | |
1949 | return ret; | |
1950 | ||
1951 | for (i = 0; i < 16; i++) { | |
1952 | in_size = rand() % (IBUF_SIZE + 1); | |
1953 | offset = rand() % (IBUF_SIZE + 1 - in_size); | |
1954 | in_buf += offset; | |
1955 | ||
1956 | create_rand_repeat_data(in_buf, in_size); | |
1957 | ||
1958 | ret |= test_compress_stateless(in_buf, in_size, SYNC_FLUSH); | |
1959 | ||
1960 | in_buf -= offset; | |
1961 | ||
1962 | if (ret) | |
1963 | return ret; | |
1964 | } | |
1965 | ||
1966 | fin_ret |= ret; | |
1967 | ||
1968 | printf("%s\n", ret ? "Fail" : "Pass"); | |
1969 | ||
1970 | printf("igzip_rand_test stateless FULL_FLUSH: "); | |
1971 | ||
1972 | ret = test_compress_stateless((uint8_t *) str1, sizeof(str1), FULL_FLUSH); | |
1973 | if (ret) | |
1974 | return ret; | |
1975 | ||
1976 | ret |= test_compress_stateless((uint8_t *) str2, sizeof(str2), FULL_FLUSH); | |
1977 | if (ret) | |
1978 | return ret; | |
1979 | ||
1980 | for (i = 0; i < RANDOMS; i++) { | |
1981 | in_size = rand() % (IBUF_SIZE + 1); | |
1982 | offset = rand() % (IBUF_SIZE + 1 - in_size); | |
1983 | in_buf += offset; | |
1984 | ||
1985 | create_rand_repeat_data(in_buf, in_size); | |
1986 | ||
1987 | ret |= test_compress_stateless(in_buf, in_size, FULL_FLUSH); | |
1988 | ||
1989 | in_buf -= offset; | |
1990 | ||
1991 | if (i % (RANDOMS / 16) == 0) | |
1992 | printf("."); | |
1993 | ||
1994 | if (ret) | |
1995 | return ret; | |
7c673cae FG |
1996 | } |
1997 | ||
224ce89b WB |
1998 | for (i = 0; i < RANDOMS / 16; i++) { |
1999 | create_rand_repeat_data(in_buf, PAGE_SIZE); | |
2000 | ret |= test_compress_stateless(in_buf, PAGE_SIZE, FULL_FLUSH); // good for efence | |
2001 | if (ret) | |
2002 | return ret; | |
2003 | } | |
7c673cae FG |
2004 | fin_ret |= ret; |
2005 | ||
2006 | printf("%s\n", ret ? "Fail" : "Pass"); | |
2007 | ||
224ce89b | 2008 | printf("igzip_rand_test stateful NO_FLUSH: "); |
7c673cae FG |
2009 | |
2010 | ret = test_compress((uint8_t *) str1, sizeof(str1), NO_FLUSH); | |
2011 | if (ret) | |
2012 | return ret; | |
2013 | ||
2014 | ret |= test_compress((uint8_t *) str2, sizeof(str2), NO_FLUSH); | |
2015 | if (ret) | |
2016 | return ret; | |
2017 | ||
2018 | for (i = 0; i < RANDOMS; i++) { | |
2019 | in_size = rand() % (IBUF_SIZE + 1); | |
2020 | offset = rand() % (IBUF_SIZE + 1 - in_size); | |
2021 | in_buf += offset; | |
2022 | ||
2023 | create_rand_repeat_data(in_buf, in_size); | |
2024 | ||
2025 | ret |= test_compress(in_buf, in_size, NO_FLUSH); | |
2026 | ||
2027 | in_buf -= offset; | |
2028 | ||
2029 | if (i % (RANDOMS / 16) == 0) | |
2030 | printf("."); | |
2031 | if (ret) | |
2032 | return ret; | |
2033 | } | |
2034 | ||
2035 | fin_ret |= ret; | |
2036 | ||
2037 | printf("%s\n", ret ? "Fail" : "Pass"); | |
2038 | ||
224ce89b | 2039 | printf("igzip_rand_test stateful SYNC_FLUSH: "); |
7c673cae FG |
2040 | |
2041 | ret = test_compress((uint8_t *) str1, sizeof(str1), SYNC_FLUSH); | |
2042 | if (ret) | |
2043 | return ret; | |
2044 | ||
2045 | ret |= test_compress((uint8_t *) str2, sizeof(str2), SYNC_FLUSH); | |
2046 | if (ret) | |
2047 | return ret; | |
2048 | ||
2049 | for (i = 0; i < RANDOMS; i++) { | |
2050 | in_size = rand() % (IBUF_SIZE + 1); | |
2051 | offset = rand() % (IBUF_SIZE + 1 - in_size); | |
2052 | in_buf += offset; | |
2053 | ||
2054 | create_rand_repeat_data(in_buf, in_size); | |
2055 | ||
2056 | ret |= test_compress(in_buf, in_size, SYNC_FLUSH); | |
2057 | ||
2058 | in_buf -= offset; | |
2059 | ||
2060 | if (i % (RANDOMS / 16) == 0) | |
2061 | printf("."); | |
2062 | if (ret) | |
2063 | return ret; | |
2064 | } | |
2065 | ||
2066 | fin_ret |= ret; | |
2067 | ||
2068 | printf("%s\n", ret ? "Fail" : "Pass"); | |
2069 | ||
224ce89b | 2070 | printf("igzip_rand_test stateful FULL_FLUSH: "); |
7c673cae FG |
2071 | |
2072 | ret = test_compress((uint8_t *) str1, sizeof(str1), FULL_FLUSH); | |
2073 | if (ret) | |
2074 | return ret; | |
2075 | ||
2076 | ret |= test_compress((uint8_t *) str2, sizeof(str2), FULL_FLUSH); | |
2077 | if (ret) | |
2078 | return ret; | |
2079 | ||
2080 | for (i = 0; i < RANDOMS; i++) { | |
2081 | in_size = rand() % (IBUF_SIZE + 1); | |
2082 | offset = rand() % (IBUF_SIZE + 1 - in_size); | |
2083 | in_buf += offset; | |
2084 | ||
2085 | create_rand_repeat_data(in_buf, in_size); | |
2086 | ||
2087 | ret |= test_compress(in_buf, in_size, FULL_FLUSH); | |
2088 | ||
2089 | in_buf -= offset; | |
2090 | ||
2091 | if (i % (RANDOMS / 16) == 0) | |
2092 | printf("."); | |
2093 | if (ret) | |
2094 | return ret; | |
2095 | } | |
2096 | ||
7c673cae FG |
2097 | for (i = 0; i < RANDOMS / 8; i++) { |
2098 | in_size = rand() % (IBUF_SIZE + 1); | |
2099 | offset = rand() % (IBUF_SIZE + 1 - in_size); | |
2100 | in_buf += offset; | |
2101 | ||
2102 | create_rand_repeat_data(in_buf, in_size); | |
2103 | ||
2104 | ret |= test_full_flush(in_buf, in_size); | |
2105 | ||
2106 | in_buf -= offset; | |
2107 | ||
2108 | if (ret) | |
2109 | return ret; | |
2110 | } | |
7c673cae FG |
2111 | |
2112 | fin_ret |= ret; | |
2113 | ||
2114 | printf("%s\n", ret ? "Fail" : "Pass"); | |
2115 | ||
224ce89b | 2116 | printf("igzip_rand_test stateful Change Flush: "); |
7c673cae FG |
2117 | |
2118 | ret = test_flush((uint8_t *) str1, sizeof(str1)); | |
2119 | if (ret) | |
2120 | return ret; | |
2121 | ||
2122 | ret |= test_flush((uint8_t *) str2, sizeof(str2)); | |
2123 | if (ret) | |
2124 | return ret; | |
2125 | ||
2126 | for (i = 0; i < RANDOMS / 4; i++) { | |
2127 | in_size = rand() % (IBUF_SIZE + 1); | |
2128 | offset = rand() % (IBUF_SIZE + 1 - in_size); | |
2129 | in_buf += offset; | |
2130 | ||
2131 | create_rand_repeat_data(in_buf, in_size); | |
2132 | ||
2133 | ret |= test_flush(in_buf, in_size); | |
2134 | ||
2135 | in_buf -= offset; | |
2136 | ||
2137 | if (i % ((RANDOMS / 4) / 16) == 0) | |
2138 | printf("."); | |
2139 | if (ret) | |
2140 | return ret; | |
2141 | } | |
2142 | ||
2143 | fin_ret |= ret; | |
2144 | ||
2145 | printf("%s\n", ret ? "Fail" : "Pass"); | |
2146 | ||
224ce89b WB |
2147 | printf("igzip_rand_test inflate Std Vectors: "); |
2148 | ||
2149 | for (i = 0; i < sizeof(std_vect_array) / sizeof(struct vect_result); i++) { | |
2150 | ret = test_inflate(&std_vect_array[i]); | |
2151 | if (ret) | |
2152 | return ret; | |
2153 | } | |
2154 | printf("................"); | |
2155 | printf("%s\n", ret ? "Fail" : "Pass"); | |
2156 | ||
2157 | printf("igzip rand test finished: %s\n", | |
7c673cae FG |
2158 | fin_ret ? "Some tests failed" : "All tests passed"); |
2159 | ||
2160 | return fin_ret != IGZIP_COMP_OK; | |
2161 | } |