diff options
Diffstat (limited to 'src/rps/rps-test_util.c')
-rw-r--r-- | src/rps/rps-test_util.c | 261 |
1 files changed, 246 insertions, 15 deletions
diff --git a/src/rps/rps-test_util.c b/src/rps/rps-test_util.c index 869170a8a..ed682c251 100644 --- a/src/rps/rps-test_util.c +++ b/src/rps/rps-test_util.c | |||
@@ -2,20 +2,18 @@ | |||
2 | This file is part of GNUnet. | 2 | This file is part of GNUnet. |
3 | Copyright (C) | 3 | Copyright (C) |
4 | 4 | ||
5 | GNUnet is free software; you can redistribute it and/or modify | 5 | GNUnet is free software: you can redistribute it and/or modify it |
6 | it under the terms of the GNU General Public License as published | 6 | under the terms of the GNU Affero General Public License as published |
7 | by the Free Software Foundation; either version 3, or (at your | 7 | by the Free Software Foundation, either version 3 of the License, |
8 | option) any later version. | 8 | or (at your option) any later version. |
9 | 9 | ||
10 | GNUnet is distributed in the hope that it will be useful, but | 10 | GNUnet is distributed in the hope that it will be useful, but |
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | 11 | WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | General Public License for more details. | 13 | Affero General Public License for more details. |
14 | 14 | ||
15 | You should have received a copy of the GNU General Public License | 15 | You should have received a copy of the GNU Affero General Public License |
16 | along with GNUnet; see the file COPYING. If not, write to the | 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
17 | Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | ||
18 | Boston, MA 02110-1301, USA. | ||
19 | */ | 17 | */ |
20 | 18 | ||
21 | /** | 19 | /** |
@@ -31,13 +29,37 @@ | |||
31 | 29 | ||
32 | #include <inttypes.h> | 30 | #include <inttypes.h> |
33 | 31 | ||
34 | #define LOG(kind, ...) GNUNET_log_from(kind,"rps-sampler",__VA_ARGS__) | 32 | #define LOG(kind, ...) GNUNET_log_from(kind,"rps-test_util",__VA_ARGS__) |
33 | |||
34 | #define B2B_PAT "%c%c%c%c%c%c%c%c" | ||
35 | #define B2B(byte) \ | ||
36 | (byte & 0x80 ? '1' : '0'), \ | ||
37 | (byte & 0x40 ? '1' : '0'), \ | ||
38 | (byte & 0x20 ? '1' : '0'), \ | ||
39 | (byte & 0x10 ? '1' : '0'), \ | ||
40 | (byte & 0x08 ? '1' : '0'), \ | ||
41 | (byte & 0x04 ? '1' : '0'), \ | ||
42 | (byte & 0x02 ? '1' : '0'), \ | ||
43 | (byte & 0x01 ? '1' : '0') | ||
35 | 44 | ||
36 | #ifndef TO_FILE | 45 | #ifndef TO_FILE |
37 | #define TO_FILE | 46 | #define TO_FILE |
38 | #endif /* TO_FILE */ | 47 | #endif /* TO_FILE */ |
39 | 48 | ||
40 | #ifdef TO_FILE | 49 | #ifdef TO_FILE |
50 | |||
51 | #define min(x,y) ((x) > (y) ? (y) : (x)) | ||
52 | |||
53 | /** | ||
54 | * @brief buffer for storing the unaligned bits for the next write | ||
55 | */ | ||
56 | static char buf_unaligned; | ||
57 | |||
58 | /** | ||
59 | * @brief number of bits in unaligned buffer | ||
60 | */ | ||
61 | static unsigned num_bits_buf_unaligned; | ||
62 | |||
41 | void | 63 | void |
42 | to_file_ (const char *file_name, char *line) | 64 | to_file_ (const char *file_name, char *line) |
43 | { | 65 | { |
@@ -109,6 +131,215 @@ to_file_ (const char *file_name, char *line) | |||
109 | "Unable to close file\n"); | 131 | "Unable to close file\n"); |
110 | } | 132 | } |
111 | 133 | ||
134 | void | ||
135 | to_file_raw (const char *file_name, const char *buf, size_t size_buf) | ||
136 | { | ||
137 | struct GNUNET_DISK_FileHandle *f; | ||
138 | size_t size_written; | ||
139 | |||
140 | if (NULL == (f = GNUNET_DISK_file_open (file_name, | ||
141 | GNUNET_DISK_OPEN_APPEND | | ||
142 | GNUNET_DISK_OPEN_WRITE | | ||
143 | GNUNET_DISK_OPEN_CREATE, | ||
144 | GNUNET_DISK_PERM_USER_READ | | ||
145 | GNUNET_DISK_PERM_USER_WRITE | | ||
146 | GNUNET_DISK_PERM_GROUP_READ | | ||
147 | GNUNET_DISK_PERM_OTHER_READ))) | ||
148 | { | ||
149 | LOG (GNUNET_ERROR_TYPE_WARNING, | ||
150 | "Not able to open file %s\n", | ||
151 | file_name); | ||
152 | return; | ||
153 | } | ||
154 | |||
155 | size_written = GNUNET_DISK_file_write (f, buf, size_buf); | ||
156 | if (size_buf != size_written) | ||
157 | { | ||
158 | LOG (GNUNET_ERROR_TYPE_WARNING, | ||
159 | "Unable to write to file! (Size: %u, size_written: %u)\n", | ||
160 | size_buf, | ||
161 | size_written); | ||
162 | |||
163 | if (GNUNET_YES != GNUNET_DISK_file_close (f)) | ||
164 | LOG (GNUNET_ERROR_TYPE_WARNING, | ||
165 | "Unable to close file\n"); | ||
166 | |||
167 | return; | ||
168 | } | ||
169 | LOG (GNUNET_ERROR_TYPE_WARNING, | ||
170 | "Wrote %u bytes raw.\n", | ||
171 | size_written); | ||
172 | if (GNUNET_YES != GNUNET_DISK_file_close (f)) | ||
173 | LOG (GNUNET_ERROR_TYPE_WARNING, | ||
174 | "Unable to close file\n"); | ||
175 | } | ||
176 | |||
177 | void | ||
178 | to_file_raw_unaligned (const char *file_name, | ||
179 | const char *buf, | ||
180 | size_t size_buf, | ||
181 | unsigned bits_needed) | ||
182 | { | ||
183 | // TODO endianness! | ||
184 | GNUNET_assert (size_buf >= (bits_needed/8)); | ||
185 | //if (0 == num_bits_buf_unaligned) | ||
186 | //{ | ||
187 | // if (0 == (bits_needed % 8)) | ||
188 | // { | ||
189 | // to_file_raw (file_name, buf, size_buf); | ||
190 | // return; | ||
191 | // } | ||
192 | // to_file_raw (file_name, buf, size_buf - 1); | ||
193 | // buf_unaligned = buf[size_buf - 1]; | ||
194 | // num_bits_buf_unaligned = bits_needed % 8; | ||
195 | // return; | ||
196 | //} | ||
197 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
198 | "Was asked to write %u bits\n", bits_needed); | ||
199 | |||
200 | char buf_write[size_buf + 1]; | ||
201 | const unsigned bytes_iter = (0 != bits_needed % 8? | ||
202 | (bits_needed/8)+1: | ||
203 | bits_needed/8); | ||
204 | // TODO what if no iteration happens? | ||
205 | unsigned size_buf_write = 0; | ||
206 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
207 | "num_bits_buf_unaligned: %u\n", | ||
208 | num_bits_buf_unaligned); | ||
209 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
210 | "ua args: size_buf: %u, bits_needed: %u -> iter: %u\n", | ||
211 | size_buf, | ||
212 | bits_needed, | ||
213 | bytes_iter); | ||
214 | buf_write[0] = buf_unaligned; | ||
215 | /* Iterate over input bytes */ | ||
216 | for (unsigned i = 0; i < bytes_iter; i++) | ||
217 | { | ||
218 | /* Number of bits needed in this iteration - 8 for all except last iter */ | ||
219 | unsigned num_bits_needed_iter; | ||
220 | /* Mask for bits to actually use */ | ||
221 | unsigned mask_bits_needed_iter; | ||
222 | char byte_input; | ||
223 | /* Number of bits needed to align unaligned byte */ | ||
224 | unsigned num_bits_to_align; | ||
225 | /* Number of bits that are to be moved */ | ||
226 | unsigned num_bits_to_move; | ||
227 | /* Mask for bytes to be moved */ | ||
228 | char mask_input_to_move; | ||
229 | /* Masked bits to be moved */ | ||
230 | char bits_to_move; | ||
231 | /* The amount of bits needed to fit the bits to shift to the nearest spot */ | ||
232 | unsigned distance_shift_bits; | ||
233 | /* Shifted bits on the move */ | ||
234 | char bits_moving; | ||
235 | /* (unaligned) byte being filled with bits */ | ||
236 | char byte_to_fill; | ||
237 | /* mask for needed bits of the input byte that have not been moved */ | ||
238 | char mask_input_leftover; | ||
239 | /* needed bits of the input byte that have not been moved */ | ||
240 | char byte_input_leftover; | ||
241 | unsigned num_bits_leftover; | ||
242 | //unsigned num_bits_discard; | ||
243 | char byte_unaligned_new; | ||
244 | |||
245 | if ( (bits_needed - (i * 8)) <= 8) | ||
246 | { | ||
247 | /* last iteration */ | ||
248 | num_bits_needed_iter = bits_needed - (i * 8); | ||
249 | } | ||
250 | else | ||
251 | { | ||
252 | num_bits_needed_iter = 8; | ||
253 | } | ||
254 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
255 | "number of bits needed in this iteration: %u\n", | ||
256 | num_bits_needed_iter); | ||
257 | mask_bits_needed_iter = ((char) 1 << num_bits_needed_iter) - 1; | ||
258 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
259 | "mask needed bits (current iter): "B2B_PAT"\n", | ||
260 | B2B(mask_bits_needed_iter)); | ||
261 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
262 | "Unaligned byte: "B2B_PAT" (%u bits)\n", | ||
263 | B2B(buf_unaligned), | ||
264 | num_bits_buf_unaligned); | ||
265 | byte_input = buf[i]; | ||
266 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
267 | "next whole input byte: "B2B_PAT"\n", | ||
268 | B2B(byte_input)); | ||
269 | byte_input &= mask_bits_needed_iter; | ||
270 | num_bits_to_align = 8 - num_bits_buf_unaligned; | ||
271 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
272 | "input byte, needed bits: "B2B_PAT"\n", | ||
273 | B2B(byte_input)); | ||
274 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
275 | "number of bits needed to align unaligned bit: %u\n", | ||
276 | num_bits_to_align); | ||
277 | num_bits_to_move = min (num_bits_to_align, num_bits_needed_iter); | ||
278 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
279 | "number of bits of new byte to move: %u\n", | ||
280 | num_bits_to_move); | ||
281 | mask_input_to_move = ((char) 1 << num_bits_to_move) - 1; | ||
282 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
283 | "mask of bits of new byte to take for moving: "B2B_PAT"\n", | ||
284 | B2B(mask_input_to_move)); | ||
285 | bits_to_move = byte_input & mask_input_to_move; | ||
286 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
287 | "masked bits of new byte to take for moving: "B2B_PAT"\n", | ||
288 | B2B(bits_to_move)); | ||
289 | distance_shift_bits = num_bits_buf_unaligned; | ||
290 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
291 | "distance needed to shift bits to their correct spot: %u\n", | ||
292 | distance_shift_bits); | ||
293 | bits_moving = bits_to_move << distance_shift_bits; | ||
294 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
295 | "shifted, masked bits of new byte being moved: "B2B_PAT"\n", | ||
296 | B2B(bits_moving)); | ||
297 | byte_to_fill = buf_unaligned | bits_moving; | ||
298 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
299 | "byte being filled: "B2B_PAT"\n", | ||
300 | B2B(byte_to_fill)); | ||
301 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
302 | "pending bytes: %u\n", | ||
303 | num_bits_buf_unaligned + num_bits_needed_iter); | ||
304 | if (num_bits_buf_unaligned + num_bits_needed_iter >= 8) | ||
305 | { | ||
306 | /* buf_unaligned was aligned by filling | ||
307 | * -> can be written to storage */ | ||
308 | buf_write[i] = byte_to_fill; | ||
309 | size_buf_write++; | ||
310 | |||
311 | /* store the leftover, unaligned bits in buffer */ | ||
312 | mask_input_leftover = mask_bits_needed_iter & (~ mask_input_to_move); | ||
313 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
314 | "mask of leftover bits of new byte: "B2B_PAT"\n", | ||
315 | B2B(mask_input_leftover)); | ||
316 | byte_input_leftover = byte_input & mask_input_leftover; | ||
317 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
318 | "masked, leftover bits of new byte: "B2B_PAT"\n", | ||
319 | B2B(byte_input_leftover)); | ||
320 | num_bits_leftover = num_bits_needed_iter - num_bits_to_move; | ||
321 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
322 | "number of unaligned bits left: %u\n", | ||
323 | num_bits_leftover); | ||
324 | //num_bits_discard = 8 - num_bits_needed_iter; | ||
325 | byte_unaligned_new = byte_input_leftover >> num_bits_to_move; | ||
326 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
327 | "new unaligned byte: "B2B_PAT"\n", | ||
328 | B2B(byte_unaligned_new)); | ||
329 | buf_unaligned = byte_unaligned_new; | ||
330 | num_bits_buf_unaligned = num_bits_leftover % 8; | ||
331 | } | ||
332 | else | ||
333 | { | ||
334 | /* unaligned buffer still unaligned but 'fuller' */ | ||
335 | buf_unaligned = byte_to_fill; | ||
336 | num_bits_buf_unaligned = (num_bits_buf_unaligned + bits_needed) % 8; | ||
337 | } | ||
338 | } | ||
339 | to_file_raw (file_name, buf_write, size_buf_write); | ||
340 | LOG (GNUNET_ERROR_TYPE_DEBUG, "\n"); | ||
341 | } | ||
342 | |||
112 | char * | 343 | char * |
113 | auth_key_to_string (struct GNUNET_CRYPTO_AuthKey auth_key) | 344 | auth_key_to_string (struct GNUNET_CRYPTO_AuthKey auth_key) |
114 | { | 345 | { |
@@ -197,10 +428,10 @@ create_file (const char *name) | |||
197 | if (NULL == strstr (name, "sampler_el")) | 428 | if (NULL == strstr (name, "sampler_el")) |
198 | {/* only append random string to sampler */ | 429 | {/* only append random string to sampler */ |
199 | if (NULL == (file_name = GNUNET_DISK_mktemp (name_buf))) | 430 | if (NULL == (file_name = GNUNET_DISK_mktemp (name_buf))) |
200 | LOG (GNUNET_ERROR_TYPE_WARNING, "Could not create file\n"); | 431 | LOG (GNUNET_ERROR_TYPE_WARNING, "Could not create file\n"); |
201 | 432 | ||
202 | GNUNET_free (name_buf); | 433 | GNUNET_free (name_buf); |
203 | return file_name; | 434 | return file_name; |
204 | } | 435 | } |
205 | 436 | ||
206 | return name_buf; | 437 | return name_buf; |
@@ -232,7 +463,7 @@ store_prefix_file_name (const struct GNUNET_PeerIdentity *peer, | |||
232 | const char *prefix) | 463 | const char *prefix) |
233 | { | 464 | { |
234 | unsigned int len_file_name; | 465 | unsigned int len_file_name; |
235 | unsigned int out_size; | 466 | int out_size; |
236 | char *file_name; | 467 | char *file_name; |
237 | const char *pid_long; | 468 | const char *pid_long; |
238 | 469 | ||