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b2c19614 | 1 | /* |
50bd5d25 | 2 | * This file is part of the libsigrokdecode project. |
b2c19614 BV |
3 | * |
4 | * Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de> | |
bc5f5a43 | 5 | * Copyright (C) 2012 Bert Vermeulen <bert@biot.com> |
b2c19614 BV |
6 | * |
7 | * This program is free software: you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation, either version 3 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
36784362 | 21 | #include <config.h> |
f6c7eade MC |
22 | #include "libsigrokdecode-internal.h" /* First, so we avoid a _POSIX_C_SOURCE warning. */ |
23 | #include "libsigrokdecode.h" | |
b2c19614 | 24 | #include <glib.h> |
1aef2f93 | 25 | #include <inttypes.h> |
0bdadba2 | 26 | #include <stdlib.h> |
32cfb920 | 27 | #include <stdint.h> |
b2c19614 | 28 | |
32cfb920 | 29 | /** @cond PRIVATE */ |
d906d3f9 | 30 | |
23a29d24 | 31 | extern SRD_PRIV GSList *sessions; |
b2c19614 | 32 | |
201a85a8 DE |
33 | /* module_sigrokdecode.c */ |
34 | extern SRD_PRIV PyObject *srd_logic_type; | |
b2c19614 | 35 | |
57790bc8 UH |
36 | /** @endcond */ |
37 | ||
b2c19614 | 38 | /** |
190b71cf | 39 | * @file |
8c664ca2 | 40 | * |
190b71cf | 41 | * Decoder instance handling. |
b2c19614 | 42 | */ |
4895418c UH |
43 | |
44 | /** | |
45 | * @defgroup grp_instances Decoder instances | |
46 | * | |
47 | * Decoder instance handling. | |
48 | * | |
49 | * @{ | |
50 | */ | |
51 | ||
7ce7775c | 52 | /** |
b33b8aa5 | 53 | * Set one or more options in a decoder instance. |
0bdadba2 | 54 | * |
361fdcaa UH |
55 | * Handled options are removed from the hash. |
56 | * | |
0bdadba2 BV |
57 | * @param di Decoder instance. |
58 | * @param options A GHashTable of options to set. | |
7ce7775c | 59 | * |
0bdadba2 | 60 | * @return SRD_OK upon success, a (negative) error code otherwise. |
8c664ca2 UH |
61 | * |
62 | * @since 0.1.0 | |
0bdadba2 | 63 | */ |
b33b8aa5 | 64 | SRD_API int srd_inst_option_set(struct srd_decoder_inst *di, |
0ff2d191 | 65 | GHashTable *options) |
0bdadba2 | 66 | { |
d841d5b2 | 67 | struct srd_decoder_option *sdo; |
84c1c0b5 | 68 | PyObject *py_di_options, *py_optval; |
2f395bff | 69 | GVariant *value; |
d841d5b2 UH |
70 | GSList *l; |
71 | double val_double; | |
2f395bff | 72 | gint64 val_int; |
84c1c0b5 | 73 | int ret; |
2f395bff | 74 | const char *val_str; |
0bdadba2 | 75 | |
3af0e345 UH |
76 | if (!di) { |
77 | srd_err("Invalid decoder instance."); | |
78 | return SRD_ERR_ARG; | |
79 | } | |
80 | ||
81 | if (!options) { | |
82 | srd_err("Invalid options GHashTable."); | |
83 | return SRD_ERR_ARG; | |
84 | } | |
85 | ||
c9bfccc6 | 86 | if (!PyObject_HasAttrString(di->decoder->py_dec, "options")) { |
0bdadba2 | 87 | /* Decoder has no options. */ |
e431d9cc BV |
88 | if (g_hash_table_size(options) == 0) { |
89 | /* No options provided. */ | |
90 | return SRD_OK; | |
91 | } else { | |
92 | srd_err("Protocol decoder has no options."); | |
93 | return SRD_ERR_ARG; | |
94 | } | |
0bdadba2 | 95 | return SRD_OK; |
e431d9cc | 96 | } |
0bdadba2 BV |
97 | |
98 | ret = SRD_ERR_PYTHON; | |
d841d5b2 | 99 | py_optval = NULL; |
119d6258 BV |
100 | |
101 | /* | |
84c1c0b5 | 102 | * The 'options' tuple is a class variable, but we need to |
119d6258 BV |
103 | * change it. Changing it directly will affect the entire class, |
104 | * so we need to create a new object for it, and populate that | |
105 | * instead. | |
106 | */ | |
a8b72b05 | 107 | if (!(py_di_options = PyObject_GetAttrString(di->py_inst, "options"))) |
0bdadba2 | 108 | goto err_out; |
119d6258 BV |
109 | Py_DECREF(py_di_options); |
110 | py_di_options = PyDict_New(); | |
111 | PyObject_SetAttrString(di->py_inst, "options", py_di_options); | |
0bdadba2 | 112 | |
d841d5b2 UH |
113 | for (l = di->decoder->options; l; l = l->next) { |
114 | sdo = l->data; | |
115 | if ((value = g_hash_table_lookup(options, sdo->id))) { | |
116 | /* A value was supplied for this option. */ | |
117 | if (!g_variant_type_equal(g_variant_get_type(value), | |
bd6594c0 | 118 | g_variant_get_type(sdo->def))) { |
d841d5b2 UH |
119 | srd_err("Option '%s' should have the same type " |
120 | "as the default value.", sdo->id); | |
121 | goto err_out; | |
122 | } | |
123 | } else { | |
124 | /* Use default for this option. */ | |
125 | value = sdo->def; | |
126 | } | |
127 | if (g_variant_is_of_type(value, G_VARIANT_TYPE_STRING)) { | |
128 | val_str = g_variant_get_string(value, NULL); | |
129 | if (!(py_optval = PyUnicode_FromString(val_str))) { | |
130 | /* Some UTF-8 encoding error. */ | |
131 | PyErr_Clear(); | |
132 | srd_err("Option '%s' requires a UTF-8 string value.", sdo->id); | |
133 | goto err_out; | |
134 | } | |
135 | } else if (g_variant_is_of_type(value, G_VARIANT_TYPE_INT64)) { | |
136 | val_int = g_variant_get_int64(value); | |
137 | if (!(py_optval = PyLong_FromLong(val_int))) { | |
138 | /* ValueError Exception */ | |
139 | PyErr_Clear(); | |
140 | srd_err("Option '%s' has invalid integer value.", sdo->id); | |
141 | goto err_out; | |
142 | } | |
143 | } else if (g_variant_is_of_type(value, G_VARIANT_TYPE_DOUBLE)) { | |
144 | val_double = g_variant_get_double(value); | |
145 | if (!(py_optval = PyFloat_FromDouble(val_double))) { | |
146 | /* ValueError Exception */ | |
147 | PyErr_Clear(); | |
148 | srd_err("Option '%s' has invalid float value.", | |
149 | sdo->id); | |
150 | goto err_out; | |
151 | } | |
152 | } | |
84c1c0b5 | 153 | if (PyDict_SetItemString(py_di_options, sdo->id, py_optval) == -1) |
0bdadba2 | 154 | goto err_out; |
d841d5b2 UH |
155 | /* Not harmful even if we used the default. */ |
156 | g_hash_table_remove(options, sdo->id); | |
157 | } | |
158 | if (g_hash_table_size(options) != 0) | |
159 | srd_warn("Unknown options specified for '%s'", di->inst_id); | |
0bdadba2 BV |
160 | |
161 | ret = SRD_OK; | |
162 | ||
163 | err_out: | |
84c1c0b5 | 164 | Py_XDECREF(py_optval); |
7fc7bde6 | 165 | if (PyErr_Occurred()) { |
201a85a8 | 166 | srd_exception_catch("Stray exception in srd_inst_option_set()"); |
7fc7bde6 BV |
167 | ret = SRD_ERR_PYTHON; |
168 | } | |
0bdadba2 BV |
169 | |
170 | return ret; | |
171 | } | |
172 | ||
6a15597a UH |
173 | /* Helper GComparefunc for g_slist_find_custom() in srd_inst_channel_set_all() */ |
174 | static gint compare_channel_id(const struct srd_channel *pdch, | |
175 | const char *channel_id) | |
f38ec285 | 176 | { |
6a15597a | 177 | return strcmp(pdch->id, channel_id); |
f38ec285 BV |
178 | } |
179 | ||
0bdadba2 | 180 | /** |
6a15597a | 181 | * Set all channels in a decoder instance. |
b33b8aa5 | 182 | * |
6a15597a UH |
183 | * This function sets _all_ channels for the specified decoder instance, i.e., |
184 | * it overwrites any channels that were already defined (if any). | |
0bdadba2 BV |
185 | * |
186 | * @param di Decoder instance. | |
6a15597a UH |
187 | * @param new_channels A GHashTable of channels to set. Key is channel name, |
188 | * value is the channel number. Samples passed to this | |
189 | * instance will be arranged in this order. | |
12243c22 | 190 | * |
0bdadba2 | 191 | * @return SRD_OK upon success, a (negative) error code otherwise. |
8c664ca2 | 192 | * |
cda2d36c | 193 | * @since 0.4.0 |
0bdadba2 | 194 | */ |
6a15597a | 195 | SRD_API int srd_inst_channel_set_all(struct srd_decoder_inst *di, |
cda2d36c | 196 | GHashTable *new_channels) |
0bdadba2 | 197 | { |
6a15597a | 198 | GVariant *channel_val; |
f38ec285 BV |
199 | GList *l; |
200 | GSList *sl; | |
6a15597a UH |
201 | struct srd_channel *pdch; |
202 | int *new_channelmap, new_channelnum, num_required_channels, i; | |
203 | char *channel_id; | |
0bdadba2 | 204 | |
cda2d36c UH |
205 | srd_dbg("Setting channels for instance %s with list of %d channels.", |
206 | di->inst_id, g_hash_table_size(new_channels)); | |
ce46beed | 207 | |
6a15597a UH |
208 | if (g_hash_table_size(new_channels) == 0) |
209 | /* No channels provided. */ | |
0bdadba2 BV |
210 | return SRD_OK; |
211 | ||
6a15597a UH |
212 | if (di->dec_num_channels == 0) { |
213 | /* Decoder has no channels. */ | |
214 | srd_err("Protocol decoder %s has no channels to define.", | |
c9bfccc6 | 215 | di->decoder->name); |
f38ec285 BV |
216 | return SRD_ERR_ARG; |
217 | } | |
0bdadba2 | 218 | |
077fa8ac | 219 | new_channelmap = g_malloc(sizeof(int) * di->dec_num_channels); |
0bdadba2 | 220 | |
38ff5046 | 221 | /* |
6a15597a UH |
222 | * For now, map all indexes to channel -1 (can be overridden later). |
223 | * This -1 is interpreted as an unspecified channel later. | |
38ff5046 | 224 | */ |
6a15597a UH |
225 | for (i = 0; i < di->dec_num_channels; i++) |
226 | new_channelmap[i] = -1; | |
227 | ||
228 | for (l = g_hash_table_get_keys(new_channels); l; l = l->next) { | |
229 | channel_id = l->data; | |
230 | channel_val = g_hash_table_lookup(new_channels, channel_id); | |
231 | if (!g_variant_is_of_type(channel_val, G_VARIANT_TYPE_INT32)) { | |
232 | /* Channel name was specified without a value. */ | |
233 | srd_err("No channel number was specified for %s.", | |
234 | channel_id); | |
235 | g_free(new_channelmap); | |
be873260 BV |
236 | return SRD_ERR_ARG; |
237 | } | |
6a15597a | 238 | new_channelnum = g_variant_get_int32(channel_val); |
6a15597a UH |
239 | if (!(sl = g_slist_find_custom(di->decoder->channels, channel_id, |
240 | (GCompareFunc)compare_channel_id))) { | |
241 | /* Fall back on optional channels. */ | |
242 | if (!(sl = g_slist_find_custom(di->decoder->opt_channels, | |
d841d5b2 | 243 | channel_id, (GCompareFunc)compare_channel_id))) { |
6a15597a | 244 | srd_err("Protocol decoder %s has no channel " |
d841d5b2 | 245 | "'%s'.", di->decoder->name, channel_id); |
6a15597a | 246 | g_free(new_channelmap); |
f38ec285 BV |
247 | return SRD_ERR_ARG; |
248 | } | |
249 | } | |
6a15597a UH |
250 | pdch = sl->data; |
251 | new_channelmap[pdch->order] = new_channelnum; | |
252 | srd_dbg("Setting channel mapping: %s (index %d) = channel %d.", | |
253 | pdch->id, pdch->order, new_channelnum); | |
38ff5046 UH |
254 | } |
255 | ||
6a15597a UH |
256 | srd_dbg("Final channel map:"); |
257 | num_required_channels = g_slist_length(di->decoder->channels); | |
258 | for (i = 0; i < di->dec_num_channels; i++) { | |
259 | srd_dbg(" - index %d = channel %d (%s)", i, new_channelmap[i], | |
d841d5b2 | 260 | (i < num_required_channels) ? "required" : "optional"); |
f38ec285 | 261 | } |
38ff5046 | 262 | |
6a15597a UH |
263 | /* Report an error if not all required channels were specified. */ |
264 | for (i = 0; i < num_required_channels; i++) { | |
265 | if (new_channelmap[i] != -1) | |
9bf7f71c | 266 | continue; |
6a15597a UH |
267 | pdch = g_slist_nth(di->decoder->channels, i)->data; |
268 | srd_err("Required channel '%s' (index %d) was not specified.", | |
269 | pdch->id, i); | |
9bf7f71c UH |
270 | return SRD_ERR; |
271 | } | |
272 | ||
6a15597a UH |
273 | g_free(di->dec_channelmap); |
274 | di->dec_channelmap = new_channelmap; | |
0bdadba2 | 275 | |
f38ec285 | 276 | return SRD_OK; |
0bdadba2 BV |
277 | } |
278 | ||
279 | /** | |
280 | * Create a new protocol decoder instance. | |
7ce7775c | 281 | * |
32cfb920 | 282 | * @param sess The session holding the protocol decoder instance. |
38ff5046 | 283 | * @param decoder_id Decoder 'id' field. |
0bdadba2 | 284 | * @param options GHashtable of options which override the defaults set in |
38ff5046 | 285 | * the decoder class. May be NULL. |
12243c22 | 286 | * |
a8b72b05 | 287 | * @return Pointer to a newly allocated struct srd_decoder_inst, or |
c9bfccc6 | 288 | * NULL in case of failure. |
8c664ca2 | 289 | * |
69075817 | 290 | * @since 0.3.0 |
7ce7775c | 291 | */ |
32cfb920 BV |
292 | SRD_API struct srd_decoder_inst *srd_inst_new(struct srd_session *sess, |
293 | const char *decoder_id, GHashTable *options) | |
b2c19614 | 294 | { |
c9bfccc6 | 295 | int i; |
b2c19614 | 296 | struct srd_decoder *dec; |
a8b72b05 BV |
297 | struct srd_decoder_inst *di; |
298 | char *inst_id; | |
b2c19614 | 299 | |
7a1712c4 | 300 | srd_dbg("Creating new %s instance.", decoder_id); |
7ce7775c | 301 | |
32cfb920 BV |
302 | if (session_is_valid(sess) != SRD_OK) { |
303 | srd_err("Invalid session."); | |
304 | return NULL; | |
305 | } | |
306 | ||
9d122fd5 | 307 | if (!(dec = srd_decoder_get_by_id(decoder_id))) { |
0bdadba2 | 308 | srd_err("Protocol decoder %s not found.", decoder_id); |
b2c19614 | 309 | return NULL; |
0bdadba2 | 310 | } |
b2c19614 | 311 | |
077fa8ac | 312 | di = g_malloc0(sizeof(struct srd_decoder_inst)); |
0bdadba2 | 313 | |
b2c19614 | 314 | di->decoder = dec; |
32cfb920 | 315 | di->sess = sess; |
38ff5046 UH |
316 | if (options) { |
317 | inst_id = g_hash_table_lookup(options, "id"); | |
318 | di->inst_id = g_strdup(inst_id ? inst_id : decoder_id); | |
319 | g_hash_table_remove(options, "id"); | |
320 | } else | |
321 | di->inst_id = g_strdup(decoder_id); | |
b2c19614 | 322 | |
361fdcaa | 323 | /* |
6a15597a | 324 | * Prepare a default channel map, where samples come in the |
f38ec285 BV |
325 | * order in which the decoder class defined them. |
326 | */ | |
6a15597a UH |
327 | di->dec_num_channels = g_slist_length(di->decoder->channels) + |
328 | g_slist_length(di->decoder->opt_channels); | |
329 | if (di->dec_num_channels) { | |
077fa8ac UH |
330 | di->dec_channelmap = |
331 | g_malloc(sizeof(int) * di->dec_num_channels); | |
6a15597a UH |
332 | for (i = 0; i < di->dec_num_channels; i++) |
333 | di->dec_channelmap[i] = i; | |
37b94c20 BV |
334 | /* |
335 | * Will be used to prepare a sample at every iteration | |
336 | * of the instance's decode() method. | |
337 | */ | |
077fa8ac | 338 | di->channel_samples = g_malloc(di->dec_num_channels); |
f38ec285 | 339 | } |
f38ec285 | 340 | |
0bdadba2 | 341 | /* Create a new instance of this decoder class. */ |
a8b72b05 | 342 | if (!(di->py_inst = PyObject_CallObject(dec->py_dec, NULL))) { |
b2c19614 | 343 | if (PyErr_Occurred()) |
201a85a8 | 344 | srd_exception_catch("Failed to create %s instance", |
69075817 | 345 | decoder_id); |
6a15597a | 346 | g_free(di->dec_channelmap); |
0bdadba2 | 347 | g_free(di); |
7ce7775c | 348 | return NULL; |
b2c19614 | 349 | } |
7ce7775c | 350 | |
38ff5046 | 351 | if (options && srd_inst_option_set(di, options) != SRD_OK) { |
6a15597a | 352 | g_free(di->dec_channelmap); |
0bdadba2 BV |
353 | g_free(di); |
354 | return NULL; | |
355 | } | |
b2c19614 | 356 | |
21dfd91d UH |
357 | di->condition_list = NULL; |
358 | di->match_array = NULL; | |
359 | di->start_samplenum = 0; | |
360 | di->end_samplenum = 0; | |
361 | di->inbuf = NULL; | |
362 | di->inbuflen = 0; | |
363 | di->cur_samplenum = 0; | |
364 | di->old_pins_array = NULL; | |
365 | di->thread_handle = NULL; | |
366 | di->got_new_samples = FALSE; | |
367 | di->handled_all_samples = FALSE; | |
368 | ||
f38ec285 | 369 | /* Instance takes input from a frontend by default. */ |
32cfb920 | 370 | sess->di_list = g_slist_append(sess->di_list, di); |
f38ec285 | 371 | |
b2c19614 BV |
372 | return di; |
373 | } | |
374 | ||
582c8473 BV |
375 | /** |
376 | * Stack a decoder instance on top of another. | |
377 | * | |
32cfb920 | 378 | * @param sess The session holding the protocol decoder instances. |
4d2c7619 BV |
379 | * @param di_bottom The instance on top of which di_top will be stacked. |
380 | * @param di_top The instance to go on top. | |
582c8473 BV |
381 | * |
382 | * @return SRD_OK upon success, a (negative) error code otherwise. | |
8c664ca2 | 383 | * |
69075817 | 384 | * @since 0.3.0 |
582c8473 | 385 | */ |
32cfb920 | 386 | SRD_API int srd_inst_stack(struct srd_session *sess, |
4d2c7619 BV |
387 | struct srd_decoder_inst *di_bottom, |
388 | struct srd_decoder_inst *di_top) | |
7ce7775c | 389 | { |
32cfb920 BV |
390 | |
391 | if (session_is_valid(sess) != SRD_OK) { | |
392 | srd_err("Invalid session."); | |
393 | return SRD_ERR_ARG; | |
394 | } | |
395 | ||
4d2c7619 | 396 | if (!di_bottom || !di_top) { |
d906d3f9 | 397 | srd_err("Invalid from/to instance pair."); |
7ce7775c BV |
398 | return SRD_ERR_ARG; |
399 | } | |
400 | ||
4d2c7619 | 401 | if (g_slist_find(sess->di_list, di_top)) { |
2072ae0c | 402 | /* Remove from the unstacked list. */ |
4d2c7619 | 403 | sess->di_list = g_slist_remove(sess->di_list, di_top); |
7ce7775c BV |
404 | } |
405 | ||
7ce7775c | 406 | /* Stack on top of source di. */ |
4d2c7619 BV |
407 | di_bottom->next_di = g_slist_append(di_bottom->next_di, di_top); |
408 | ||
d841d5b2 | 409 | srd_dbg("Stacked %s onto %s.", di_top->inst_id, di_bottom->inst_id); |
7ce7775c BV |
410 | |
411 | return SRD_OK; | |
412 | } | |
413 | ||
2072ae0c | 414 | /** |
361fdcaa UH |
415 | * Find a decoder instance by its instance ID. |
416 | * | |
417 | * Only the bottom level of instances are searched -- instances already stacked | |
418 | * on top of another one will not be found. | |
2072ae0c | 419 | * |
32cfb920 | 420 | * @param sess The session holding the protocol decoder instance. |
ed2306a6 | 421 | * @param inst_id The instance ID to be found. |
2072ae0c | 422 | * |
a8b72b05 | 423 | * @return Pointer to struct srd_decoder_inst, or NULL if not found. |
8c664ca2 | 424 | * |
69075817 | 425 | * @since 0.3.0 |
2072ae0c | 426 | */ |
32cfb920 BV |
427 | SRD_API struct srd_decoder_inst *srd_inst_find_by_id(struct srd_session *sess, |
428 | const char *inst_id) | |
7ce7775c BV |
429 | { |
430 | GSList *l; | |
a8b72b05 | 431 | struct srd_decoder_inst *tmp, *di; |
b2c19614 | 432 | |
32cfb920 BV |
433 | if (session_is_valid(sess) != SRD_OK) { |
434 | srd_err("Invalid session."); | |
435 | return NULL; | |
436 | } | |
437 | ||
7ce7775c | 438 | di = NULL; |
32cfb920 | 439 | for (l = sess->di_list; l; l = l->next) { |
7ce7775c | 440 | tmp = l->data; |
a8b72b05 | 441 | if (!strcmp(tmp->inst_id, inst_id)) { |
7ce7775c BV |
442 | di = tmp; |
443 | break; | |
444 | } | |
445 | } | |
446 | ||
447 | return di; | |
448 | } | |
449 | ||
32cfb920 BV |
450 | static struct srd_decoder_inst *srd_sess_inst_find_by_obj( |
451 | struct srd_session *sess, const GSList *stack, | |
452 | const PyObject *obj) | |
453 | { | |
454 | const GSList *l; | |
455 | struct srd_decoder_inst *tmp, *di; | |
456 | ||
457 | if (session_is_valid(sess) != SRD_OK) { | |
458 | srd_err("Invalid session."); | |
459 | return NULL; | |
460 | } | |
461 | ||
462 | di = NULL; | |
463 | for (l = stack ? stack : sess->di_list; di == NULL && l != NULL; l = l->next) { | |
464 | tmp = l->data; | |
465 | if (tmp->py_inst == obj) | |
466 | di = tmp; | |
467 | else if (tmp->next_di) | |
468 | di = srd_sess_inst_find_by_obj(sess, tmp->next_di, obj); | |
469 | } | |
470 | ||
471 | return di; | |
472 | } | |
473 | ||
2072ae0c | 474 | /** |
361fdcaa UH |
475 | * Find a decoder instance by its Python object. |
476 | * | |
477 | * I.e. find that instance's instantiation of the sigrokdecode.Decoder class. | |
32cfb920 BV |
478 | * This will recurse to find the instance anywhere in the stack tree of all |
479 | * sessions. | |
2072ae0c | 480 | * |
361fdcaa UH |
481 | * @param stack Pointer to a GSList of struct srd_decoder_inst, indicating the |
482 | * stack to search. To start searching at the bottom level of | |
483 | * decoder instances, pass NULL. | |
511e2123 | 484 | * @param obj The Python class instantiation. |
2072ae0c | 485 | * |
a8b72b05 | 486 | * @return Pointer to struct srd_decoder_inst, or NULL if not found. |
57790bc8 UH |
487 | * |
488 | * @private | |
8c664ca2 UH |
489 | * |
490 | * @since 0.1.0 | |
2072ae0c | 491 | */ |
abeeed8b | 492 | SRD_PRIV struct srd_decoder_inst *srd_inst_find_by_obj(const GSList *stack, |
0ff2d191 | 493 | const PyObject *obj) |
2072ae0c | 494 | { |
32cfb920 BV |
495 | struct srd_decoder_inst *di; |
496 | struct srd_session *sess; | |
497 | GSList *l; | |
2072ae0c BV |
498 | |
499 | di = NULL; | |
32cfb920 BV |
500 | for (l = sessions; di == NULL && l != NULL; l = l->next) { |
501 | sess = l->data; | |
502 | di = srd_sess_inst_find_by_obj(sess, stack, obj); | |
2072ae0c BV |
503 | } |
504 | ||
505 | return di; | |
506 | } | |
507 | ||
21dfd91d UH |
508 | /** |
509 | * Set the list of initial (assumed) pin values. | |
510 | * | |
511 | * If the list already exists, do nothing. | |
512 | * | |
513 | * @param di Decoder instance to use. Must not be NULL. | |
514 | * | |
515 | * @private | |
516 | */ | |
517 | static void set_initial_pin_values(struct srd_decoder_inst *di) | |
518 | { | |
519 | int i; | |
520 | GString *s; | |
521 | PyObject *py_initial_pins; | |
522 | ||
523 | if (!di || !di->py_inst) { | |
524 | srd_err("Invalid decoder instance."); | |
525 | return; | |
526 | } | |
527 | ||
528 | /* Nothing to do if di->old_pins_array is already != NULL. */ | |
529 | if (di->old_pins_array) { | |
530 | srd_dbg("Initial pins already set, nothing to do."); | |
531 | return; | |
532 | } | |
533 | ||
534 | /* Create an array of old (previous sample) pins, init to 0. */ | |
535 | di->old_pins_array = g_array_sized_new(FALSE, TRUE, sizeof(uint8_t), di->dec_num_channels); | |
536 | g_array_set_size(di->old_pins_array, di->dec_num_channels); | |
537 | ||
538 | /* Check if the decoder has set self.initial_pins. */ | |
539 | if (!PyObject_HasAttrString(di->py_inst, "initial_pins")) { | |
540 | srd_dbg("Initial pins: all 0 (self.initial_pins not set)."); | |
541 | return; | |
542 | } | |
543 | ||
544 | /* Get self.initial_pins. */ | |
545 | py_initial_pins = PyObject_GetAttrString(di->py_inst, "initial_pins"); | |
546 | ||
547 | /* Fill di->old_pins_array based on self.initial_pins. */ | |
548 | s = g_string_sized_new(100); | |
549 | for (i = 0; i < di->dec_num_channels; i++) { | |
550 | di->old_pins_array->data[i] = PyLong_AsLong(PyList_GetItem(py_initial_pins, i)); | |
551 | g_string_append_printf(s, "%d, ", di->old_pins_array->data[i]); | |
552 | } | |
553 | s = g_string_truncate(s, s->len - 2); | |
554 | srd_dbg("Initial pins: %s.", s->str); | |
555 | g_string_free(s, TRUE); | |
556 | } | |
557 | ||
57790bc8 | 558 | /** @private */ |
ed416497 | 559 | SRD_PRIV int srd_inst_start(struct srd_decoder_inst *di) |
b2c19614 | 560 | { |
ed416497 | 561 | PyObject *py_res; |
2072ae0c | 562 | GSList *l; |
a8b72b05 | 563 | struct srd_decoder_inst *next_di; |
ed416497 | 564 | int ret; |
b2c19614 | 565 | |
7a1712c4 | 566 | srd_dbg("Calling start() method on protocol decoder instance %s.", |
ed416497 | 567 | di->inst_id); |
b2c19614 | 568 | |
21dfd91d | 569 | /* Run self.start(). */ |
ed416497 | 570 | if (!(py_res = PyObject_CallMethod(di->py_inst, "start", NULL))) { |
201a85a8 | 571 | srd_exception_catch("Protocol decoder instance %s", |
ed416497 | 572 | di->inst_id); |
7ce7775c BV |
573 | return SRD_ERR_PYTHON; |
574 | } | |
f38ec285 | 575 | Py_DecRef(py_res); |
7ce7775c | 576 | |
21dfd91d UH |
577 | /* Set the initial pins based on self.initial_pins. */ |
578 | set_initial_pin_values(di); | |
579 | ||
580 | /* Set self.samplenum to 0. */ | |
581 | PyObject_SetAttrString(di->py_inst, "samplenum", PyLong_FromLong(0)); | |
582 | ||
583 | /* Set self.matches to None. */ | |
584 | PyObject_SetAttrString(di->py_inst, "matches", Py_None); | |
585 | ||
ed416497 | 586 | /* Start all the PDs stacked on top of this one. */ |
2072ae0c BV |
587 | for (l = di->next_di; l; l = l->next) { |
588 | next_di = l->data; | |
ed416497 BV |
589 | if ((ret = srd_inst_start(next_di)) != SRD_OK) |
590 | return ret; | |
2072ae0c BV |
591 | } |
592 | ||
b2c19614 BV |
593 | return SRD_OK; |
594 | } | |
595 | ||
21dfd91d UH |
596 | /** |
597 | * Check whether the specified sample matches the specified term. | |
598 | * | |
599 | * In the case of SRD_TERM_SKIP, this function can modify | |
600 | * term->num_samples_already_skipped. | |
601 | * | |
602 | * @param old_sample The value of the previous sample (0/1). | |
603 | * @param sample The value of the current sample (0/1). | |
604 | * @param term The term that should be checked for a match. Must not be NULL. | |
605 | * | |
606 | * @retval TRUE The current sample matches the specified term. | |
607 | * @retval FALSE The current sample doesn't match the specified term, or an | |
608 | * invalid term was provided. | |
609 | * | |
610 | * @private | |
611 | */ | |
612 | static gboolean sample_matches(uint8_t old_sample, uint8_t sample, struct srd_term *term) | |
613 | { | |
614 | if (!term) | |
615 | return FALSE; | |
616 | ||
617 | switch (term->type) { | |
618 | case SRD_TERM_HIGH: | |
619 | if (sample == 1) | |
620 | return TRUE; | |
621 | break; | |
622 | case SRD_TERM_LOW: | |
623 | if (sample == 0) | |
624 | return TRUE; | |
625 | break; | |
626 | case SRD_TERM_RISING_EDGE: | |
627 | if (old_sample == 0 && sample == 1) | |
628 | return TRUE; | |
629 | break; | |
630 | case SRD_TERM_FALLING_EDGE: | |
631 | if (old_sample == 1 && sample == 0) | |
632 | return TRUE; | |
633 | break; | |
634 | case SRD_TERM_EITHER_EDGE: | |
635 | if ((old_sample == 1 && sample == 0) || (old_sample == 0 && sample == 1)) | |
636 | return TRUE; | |
637 | break; | |
638 | case SRD_TERM_NO_EDGE: | |
639 | if ((old_sample == 0 && sample == 0) || (old_sample == 1 && sample == 1)) | |
640 | return TRUE; | |
641 | break; | |
642 | case SRD_TERM_SKIP: | |
643 | if (term->num_samples_already_skipped == term->num_samples_to_skip) | |
644 | return TRUE; | |
645 | term->num_samples_already_skipped++; | |
646 | break; | |
647 | default: | |
648 | srd_err("Unknown term type %d.", term->type); | |
649 | break; | |
650 | } | |
651 | ||
652 | return FALSE; | |
653 | } | |
654 | ||
655 | SRD_PRIV void match_array_free(struct srd_decoder_inst *di) | |
656 | { | |
657 | if (!di || !di->match_array) | |
658 | return; | |
659 | ||
660 | g_array_free(di->match_array, TRUE); | |
661 | di->match_array = NULL; | |
662 | } | |
663 | ||
664 | SRD_PRIV void condition_list_free(struct srd_decoder_inst *di) | |
665 | { | |
666 | GSList *l, *ll; | |
667 | ||
668 | if (!di) | |
669 | return; | |
670 | ||
671 | for (l = di->condition_list; l; l = l->next) { | |
672 | ll = l->data; | |
673 | if (ll) | |
674 | g_slist_free_full(ll, g_free); | |
675 | } | |
676 | ||
677 | di->condition_list = NULL; | |
678 | } | |
679 | ||
680 | static gboolean have_non_null_conds(const struct srd_decoder_inst *di) | |
681 | { | |
682 | GSList *l, *cond; | |
683 | ||
684 | if (!di) | |
685 | return FALSE; | |
686 | ||
687 | for (l = di->condition_list; l; l = l->next) { | |
688 | cond = l->data; | |
689 | if (cond) | |
690 | return TRUE; | |
691 | } | |
692 | ||
693 | return FALSE; | |
694 | } | |
695 | ||
696 | static void update_old_pins_array(struct srd_decoder_inst *di, | |
697 | const uint8_t *sample_pos) | |
698 | { | |
699 | uint8_t sample; | |
700 | int i, byte_offset, bit_offset; | |
701 | ||
702 | if (!di || !di->dec_channelmap || !sample_pos) | |
703 | return; | |
704 | ||
705 | for (i = 0; i < di->dec_num_channels; i++) { | |
706 | byte_offset = di->dec_channelmap[i] / 8; | |
707 | bit_offset = di->dec_channelmap[i] % 8; | |
708 | sample = *(sample_pos + byte_offset) & (1 << bit_offset) ? 1 : 0; | |
709 | di->old_pins_array->data[i] = sample; | |
710 | } | |
711 | } | |
712 | ||
713 | static gboolean term_matches(const struct srd_decoder_inst *di, | |
714 | struct srd_term *term, const uint8_t *sample_pos) | |
715 | { | |
716 | uint8_t old_sample, sample; | |
717 | int byte_offset, bit_offset, ch; | |
718 | ||
719 | if (!di || !di->dec_channelmap || !term || !sample_pos) | |
720 | return FALSE; | |
721 | ||
722 | /* Overwritten below (or ignored for SRD_TERM_SKIP). */ | |
723 | old_sample = sample = 0; | |
724 | ||
725 | if (term->type != SRD_TERM_SKIP) { | |
726 | ch = term->channel; | |
727 | byte_offset = di->dec_channelmap[ch] / 8; | |
728 | bit_offset = di->dec_channelmap[ch] % 8; | |
729 | sample = *(sample_pos + byte_offset) & (1 << bit_offset) ? 1 : 0; | |
730 | old_sample = di->old_pins_array->data[ch]; | |
731 | } | |
732 | ||
733 | return sample_matches(old_sample, sample, term); | |
734 | } | |
735 | ||
736 | static gboolean all_terms_match(const struct srd_decoder_inst *di, | |
737 | const GSList *cond, const uint8_t *sample_pos) | |
738 | { | |
739 | const GSList *l; | |
740 | struct srd_term *term; | |
741 | ||
742 | if (!di || !cond || !sample_pos) | |
743 | return FALSE; | |
744 | ||
745 | for (l = cond; l; l = l->next) { | |
746 | term = l->data; | |
747 | if (!term_matches(di, term, sample_pos)) | |
748 | return FALSE; | |
749 | } | |
750 | ||
751 | return TRUE; | |
752 | } | |
753 | ||
754 | static gboolean at_least_one_condition_matched( | |
755 | const struct srd_decoder_inst *di, unsigned int num_conditions) | |
756 | { | |
757 | unsigned int i; | |
758 | ||
759 | if (!di) | |
760 | return FALSE; | |
761 | ||
762 | for (i = 0; i < num_conditions; i++) { | |
763 | if (di->match_array->data[i]) | |
764 | return TRUE; | |
765 | } | |
766 | ||
767 | return FALSE; | |
768 | } | |
769 | ||
770 | static gboolean find_match(struct srd_decoder_inst *di) | |
771 | { | |
772 | static uint64_t s = 0; | |
773 | uint64_t i, j, num_samples_to_process; | |
774 | GSList *l, *cond; | |
775 | const uint8_t *sample_pos; | |
776 | unsigned int num_conditions; | |
777 | ||
778 | /* Check whether the condition list is NULL/empty. */ | |
779 | if (!di->condition_list) { | |
780 | srd_dbg("NULL/empty condition list, automatic match."); | |
781 | return TRUE; | |
782 | } | |
783 | ||
784 | /* Check whether we have any non-NULL conditions. */ | |
785 | if (!have_non_null_conds(di)) { | |
786 | srd_dbg("Only NULL conditions in list, automatic match."); | |
787 | return TRUE; | |
788 | } | |
789 | ||
790 | num_samples_to_process = di->end_samplenum - di->cur_samplenum; | |
791 | num_conditions = g_slist_length(di->condition_list); | |
792 | ||
793 | /* di->match_array is NULL here. Create a new GArray. */ | |
794 | di->match_array = g_array_sized_new(FALSE, TRUE, sizeof(gboolean), num_conditions); | |
795 | g_array_set_size(di->match_array, num_conditions); | |
796 | ||
797 | for (i = 0, s = 0; i < num_samples_to_process; i++, s++, (di->cur_samplenum)++) { | |
798 | ||
799 | sample_pos = di->inbuf + ((di->cur_samplenum - di->start_samplenum) * di->data_unitsize); | |
800 | ||
801 | /* Check whether the current sample matches at least one of the conditions (logical OR). */ | |
802 | /* IMPORTANT: We need to check all conditions, even if there was a match already! */ | |
803 | for (l = di->condition_list, j = 0; l; l = l->next, j++) { | |
804 | cond = l->data; | |
805 | if (!cond) | |
806 | continue; | |
807 | /* All terms in 'cond' must match (logical AND). */ | |
808 | di->match_array->data[j] = all_terms_match(di, cond, sample_pos); | |
809 | } | |
810 | ||
811 | update_old_pins_array(di, sample_pos); | |
812 | ||
813 | /* If at least one condition matched we're done. */ | |
814 | if (at_least_one_condition_matched(di, num_conditions)) | |
815 | return TRUE; | |
816 | } | |
817 | ||
818 | return FALSE; | |
819 | } | |
820 | ||
821 | /** | |
822 | * Process available samples and check if they match the defined conditions. | |
823 | * | |
824 | * This function returns if there is an error, or when a match is found, or | |
825 | * when all samples have been processed (whether a match was found or not). | |
826 | * | |
827 | * @param di The decoder instance to use. Must not be NULL. | |
828 | * @param found_match Will be set to TRUE if at least one condition matched, | |
829 | * FALSE otherwise. Must not be NULL. | |
830 | * | |
831 | * @retval SRD_OK No errors occured, see found_match for the result. | |
832 | * @retval SRD_ERR_ARG Invalid arguments. | |
833 | * | |
834 | * @private | |
835 | */ | |
836 | SRD_PRIV int process_samples_until_condition_match(struct srd_decoder_inst *di, gboolean *found_match) | |
837 | { | |
838 | if (!di || !found_match) | |
839 | return SRD_ERR_ARG; | |
840 | ||
841 | /* Check if any of the current condition(s) match. */ | |
842 | while (TRUE) { | |
843 | /* Feed the (next chunk of the) buffer to find_match(). */ | |
844 | *found_match = find_match(di); | |
845 | ||
846 | /* Did we handle all samples yet? */ | |
847 | if (di->cur_samplenum >= di->end_samplenum) { | |
848 | srd_dbg("Done, handled all samples (%" PRIu64 "/%" PRIu64 ").", | |
849 | di->cur_samplenum, di->end_samplenum); | |
850 | return SRD_OK; | |
851 | } | |
852 | ||
853 | /* If we didn't find a match, continue looking. */ | |
854 | if (!(*found_match)) | |
855 | continue; | |
856 | ||
857 | /* At least one condition matched, return. */ | |
858 | return SRD_OK; | |
859 | } | |
860 | ||
861 | return SRD_OK; | |
862 | } | |
863 | ||
864 | /** | |
865 | * Worker thread (per PD-stack). | |
866 | * | |
867 | * @param data Pointer to the lowest-level PD's device instance. | |
868 | * Must not be NULL. | |
869 | * | |
870 | * @return NULL if there was an error. | |
871 | */ | |
872 | static gpointer di_thread(gpointer data) | |
873 | { | |
874 | PyObject *py_res; | |
875 | struct srd_decoder_inst *di; | |
876 | ||
877 | if (!data) | |
878 | return NULL; | |
879 | ||
880 | di = data; | |
881 | ||
882 | /* Call self.decode(). Only returns if the PD throws an exception. */ | |
883 | Py_IncRef(di->py_inst); | |
884 | if (!(py_res = PyObject_CallMethod(di->py_inst, "decode", NULL))) { | |
885 | srd_exception_catch("Protocol decoder instance %s: ", di->inst_id); | |
886 | exit(1); /* TODO: Proper shutdown. This is a hack. */ | |
887 | return NULL; | |
888 | } | |
889 | Py_DecRef(py_res); | |
890 | ||
891 | return NULL; | |
892 | } | |
893 | ||
b2c19614 | 894 | /** |
e959f49a | 895 | * Decode a chunk of samples. |
b2c19614 | 896 | * |
ed416497 | 897 | * @param di The decoder instance to call. Must not be NULL. |
d906d3f9 | 898 | * @param start_samplenum The starting sample number for the buffer's sample |
7a1712c4 | 899 | * set, relative to the start of capture. |
ed416497 BV |
900 | * @param end_samplenum The ending sample number for the buffer's sample |
901 | * set, relative to the start of capture. | |
7a1712c4 UH |
902 | * @param inbuf The buffer to decode. Must not be NULL. |
903 | * @param inbuflen Length of the buffer. Must be > 0. | |
e959f49a | 904 | * @param unitsize The number of bytes per sample. Must be > 0. |
b2c19614 BV |
905 | * |
906 | * @return SRD_OK upon success, a (negative) error code otherwise. | |
57790bc8 UH |
907 | * |
908 | * @private | |
b2c19614 | 909 | */ |
21dfd91d | 910 | SRD_PRIV int srd_inst_decode(struct srd_decoder_inst *di, |
ed416497 | 911 | uint64_t start_samplenum, uint64_t end_samplenum, |
cda2d36c | 912 | const uint8_t *inbuf, uint64_t inbuflen, uint64_t unitsize) |
b2c19614 | 913 | { |
d906d3f9 | 914 | PyObject *py_res; |
bc5f5a43 | 915 | srd_logic *logic; |
04867deb | 916 | long apiver; |
b2c19614 | 917 | |
d906d3f9 | 918 | /* Return an error upon unusable input. */ |
7a1712c4 UH |
919 | if (!di) { |
920 | srd_dbg("empty decoder instance"); | |
d906d3f9 BV |
921 | return SRD_ERR_ARG; |
922 | } | |
7a1712c4 UH |
923 | if (!inbuf) { |
924 | srd_dbg("NULL buffer pointer"); | |
d906d3f9 BV |
925 | return SRD_ERR_ARG; |
926 | } | |
927 | if (inbuflen == 0) { | |
7a1712c4 | 928 | srd_dbg("empty buffer"); |
d906d3f9 | 929 | return SRD_ERR_ARG; |
80f8083b UH |
930 | } |
931 | if (unitsize == 0) { | |
932 | srd_dbg("unitsize 0"); | |
933 | return SRD_ERR_ARG; | |
d906d3f9 | 934 | } |
b2c19614 | 935 | |
21dfd91d | 936 | di->data_unitsize = unitsize; |
2730fe23 | 937 | |
e959f49a | 938 | srd_dbg("Decoding: start sample %" PRIu64 ", end sample %" |
2730fe23 UH |
939 | PRIu64 " (%" PRIu64 " samples, %" PRIu64 " bytes, unitsize = " |
940 | "%d), instance %s.", start_samplenum, end_samplenum, | |
941 | end_samplenum - start_samplenum, inbuflen, di->data_unitsize, | |
942 | di->inst_id); | |
943 | ||
04867deb UH |
944 | apiver = srd_decoder_apiver(di->decoder); |
945 | ||
946 | if (apiver == 2) { | |
947 | /* | |
948 | * Create new srd_logic object. Each iteration around the PD's | |
949 | * loop will fill one sample into this object. | |
950 | */ | |
951 | logic = PyObject_New(srd_logic, (PyTypeObject *)srd_logic_type); | |
952 | Py_INCREF(logic); | |
953 | logic->di = (struct srd_decoder_inst *)di; | |
954 | logic->start_samplenum = start_samplenum; | |
955 | logic->itercnt = 0; | |
956 | logic->inbuf = (uint8_t *)inbuf; | |
957 | logic->inbuflen = inbuflen; | |
958 | logic->sample = PyList_New(2); | |
959 | Py_INCREF(logic->sample); | |
960 | ||
961 | Py_IncRef(di->py_inst); | |
962 | if (!(py_res = PyObject_CallMethod(di->py_inst, "decode", | |
ed416497 | 963 | "KKO", start_samplenum, end_samplenum, logic))) { |
04867deb UH |
964 | srd_exception_catch("Protocol decoder instance %s", |
965 | di->inst_id); | |
966 | return SRD_ERR_PYTHON; | |
967 | } | |
968 | Py_DecRef(py_res); | |
21dfd91d UH |
969 | } else { |
970 | /* If this is the first call, start the worker thread. */ | |
971 | if (!di->thread_handle) | |
972 | di->thread_handle = g_thread_new("di_thread", | |
973 | di_thread, di); | |
974 | ||
975 | /* Push the new sample chunk to the worker thread. */ | |
976 | g_mutex_lock(&di->data_mutex); | |
977 | di->start_samplenum = start_samplenum; | |
978 | di->end_samplenum = end_samplenum; | |
979 | di->inbuf = inbuf; | |
980 | di->inbuflen = inbuflen; | |
981 | di->got_new_samples = TRUE; | |
982 | di->handled_all_samples = FALSE; | |
983 | ||
984 | /* Signal the thread that we have new data. */ | |
985 | g_cond_signal(&di->got_new_samples_cond); | |
986 | g_mutex_unlock(&di->data_mutex); | |
987 | ||
988 | /* When all samples in this chunk were handled, return. */ | |
989 | g_mutex_lock(&di->data_mutex); | |
990 | while (!di->handled_all_samples) | |
991 | g_cond_wait(&di->handled_all_samples_cond, &di->data_mutex); | |
992 | g_mutex_unlock(&di->data_mutex); | |
b2c19614 | 993 | } |
bc5f5a43 | 994 | |
b2c19614 BV |
995 | return SRD_OK; |
996 | } | |
997 | ||
57790bc8 | 998 | /** @private */ |
12243c22 | 999 | SRD_PRIV void srd_inst_free(struct srd_decoder_inst *di) |
fa12a21e BV |
1000 | { |
1001 | GSList *l; | |
1002 | struct srd_pd_output *pdo; | |
1003 | ||
a8b72b05 | 1004 | srd_dbg("Freeing instance %s", di->inst_id); |
fa12a21e | 1005 | |
a8b72b05 BV |
1006 | Py_DecRef(di->py_inst); |
1007 | g_free(di->inst_id); | |
6a15597a | 1008 | g_free(di->dec_channelmap); |
d2297b87 | 1009 | g_free(di->channel_samples); |
fa12a21e BV |
1010 | g_slist_free(di->next_di); |
1011 | for (l = di->pd_output; l; l = l->next) { | |
1012 | pdo = l->data; | |
1013 | g_free(pdo->proto_id); | |
1014 | g_free(pdo); | |
1015 | } | |
1016 | g_slist_free(di->pd_output); | |
e592ac89 | 1017 | g_free(di); |
fa12a21e BV |
1018 | } |
1019 | ||
57790bc8 | 1020 | /** @private */ |
32cfb920 | 1021 | SRD_PRIV void srd_inst_free_all(struct srd_session *sess, GSList *stack) |
fa12a21e BV |
1022 | { |
1023 | GSList *l; | |
a8b72b05 | 1024 | struct srd_decoder_inst *di; |
fa12a21e | 1025 | |
32cfb920 BV |
1026 | if (session_is_valid(sess) != SRD_OK) { |
1027 | srd_err("Invalid session."); | |
1028 | return; | |
1029 | } | |
1030 | ||
fa12a21e | 1031 | di = NULL; |
32cfb920 | 1032 | for (l = stack ? stack : sess->di_list; di == NULL && l != NULL; l = l->next) { |
fa12a21e BV |
1033 | di = l->data; |
1034 | if (di->next_di) | |
32cfb920 | 1035 | srd_inst_free_all(sess, di->next_di); |
a8b72b05 | 1036 | srd_inst_free(di); |
fa12a21e BV |
1037 | } |
1038 | if (!stack) { | |
32cfb920 BV |
1039 | g_slist_free(sess->di_list); |
1040 | sess->di_list = NULL; | |
fa12a21e | 1041 | } |
fa12a21e | 1042 | } |
b2c19614 | 1043 | |
4895418c | 1044 | /** @} */ |