decoder/runtc.c

   1 /*
   2  * This file is part of the sigrok-test project.
   3  *
   4  * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <Python.h>
  21 #include <libsigrokdecode/libsigrokdecode.h>
  22 #include <libsigrok/libsigrok.h>
  23 #include <stdlib.h>
  24 #include <stdio.h>
  25 #include <stdarg.h>
  26 #include <unistd.h>
  27 #include <errno.h>
  28 #include <sys/types.h>
  29 #include <sys/stat.h>
  30 #include <fcntl.h>
  31 #include <time.h>
  32 #include <sys/time.h>
  33 #include <sys/resource.h>
  34 #include <dirent.h>
  35 #include <glib.h>
  36 #ifdef __LINUX__
  37 #include <sched.h>
  38 #endif
  39
  40 int debug = FALSE;
  41 int statistics = FALSE;
  42 char *coverage_report;
  43
  44 struct channel {
  45         char *name;
  46         int channel;
  47 };
  48
  49 struct option {
  50         char *key;
  51         GVariant *value;
  52 };
  53
  54 struct pd {
  55         char *name;
  56         GSList *channels;
  57         GSList *options;
  58 };
  59
  60 struct output {
  61         char *pd;
  62         int type;
  63         char *class;
  64         int class_idx;
  65         char *outfile;
  66         int outfd;
  67 };
  68
  69 struct cvg {
  70         int num_lines;
  71         int num_missed;
  72         float coverage;
  73         GSList *missed_lines;
  74 };
  75
  76 struct cvg *get_mod_cov(PyObject *py_cov, char *module_name);
  77 void cvg_add(struct cvg *dst, struct cvg *src);
  78 struct cvg *cvg_new(void);
  79 gboolean find_missed_line(struct cvg *cvg, char *linespec);
  80
  81 static void logmsg(char *prefix, FILE *out, const char *format, va_list args)
  82 {
  83         if (prefix)
  84                 fprintf(out, "%s", prefix);
  85         vfprintf(out, format, args);
  86         fprintf(out, "\n");
  87 }
  88
  89 static void DBG(const char *format, ...)
  90 {
  91         va_list args;
  92
  93         if (!debug)
  94                 return;
  95         va_start(args, format);
  96         logmsg("DBG: runtc: ", stdout, format, args);
  97         va_end(args);
  98 }
  99
 100 static void ERR(const char *format, ...)
 101 {
 102         va_list args;
 103
 104         va_start(args, format);
 105         logmsg("Error: ", stderr, format, args);
 106         va_end(args);
 107 }
 108
 109 static int sr_log(void *cb_data, int loglevel, const char *format, va_list args)
 110 {
 111         (void)cb_data;
 112
 113         if (loglevel == SR_LOG_ERR || loglevel == SR_LOG_WARN)
 114                 logmsg("Error: sr: ", stderr, format, args);
 115         else if (debug)
 116                 logmsg("DBG: sr: ", stdout, format, args);
 117
 118         return SRD_OK;
 119 }
 120
 121 static int srd_log(void *cb_data, int loglevel, const char *format, va_list args)
 122 {
 123         (void)cb_data;
 124
 125         if (loglevel == SRD_LOG_ERR || loglevel == SRD_LOG_WARN)
 126                 logmsg("Error: srd: ", stderr, format, args);
 127         else if (debug)
 128                 logmsg("DBG: srd: ", stdout, format, args);
 129
 130         return SRD_OK;
 131 }
 132
 133 static void usage(char *msg)
 134 {
 135         if (msg)
 136                 fprintf(stderr, "%s\n", msg);
 137
 138         printf("Usage: runtc [-dPpoiOf]\n");
 139         printf("  -d  Debug\n");
 140         printf("  -P  <protocol decoder>\n");
 141         printf("  -p  <channelname=channelnum> (optional)\n");
 142         printf("  -o  <channeloption=value> (optional)\n");
 143         printf("  -i <input file>\n");
 144         printf("  -O <output-pd:output-type[:output-class]>\n");
 145         printf("  -f <output file> (optional)\n");
 146         printf("  -c <coverage report> (optional)\n");
 147         exit(msg ? 1 : 0);
 148
 149 }
 150
 151 /* This is a neutered version of libsigrokdecode's py_str_as_str(). It
 152  * does no error checking, but then the only strings it processes are
 153  * generated by Python's repr(), so are known good. */
 154 static char *py_str_as_str(const PyObject *py_str)
 155 {
 156         PyObject *py_encstr;
 157         char *str, *outstr;
 158
 159         py_encstr = PyUnicode_AsEncodedString((PyObject *)py_str, "utf-8", NULL);
 160         str = PyBytes_AS_STRING(py_encstr);
 161         outstr = g_strdup(str);
 162         Py_DecRef(py_encstr);
 163
 164         return outstr;
 165 }
 166
 167 static void srd_cb_py(struct srd_proto_data *pdata, void *cb_data)
 168 {
 169         struct output *op;
 170         PyObject *pydata, *pyrepr;
 171         GString *out;
 172         char *s;
 173
 174         DBG("Python output from %s", pdata->pdo->di->inst_id);
 175         op = cb_data;
 176         pydata = pdata->data;
 177         DBG("ptr %p", pydata);
 178
 179         if (strcmp(pdata->pdo->di->inst_id, op->pd))
 180                 /* This is not the PD selected for output. */
 181                 return;
 182
 183         if (!(pyrepr = PyObject_Repr(pydata))) {
 184                 ERR("Invalid Python object.");
 185                 return;
 186         }
 187         s = py_str_as_str(pyrepr);
 188         Py_DecRef(pyrepr);
 189
 190         /* Output format for testing is '<ss>-<es> <inst-id>: <repr>\n'. */
 191         out = g_string_sized_new(128);
 192         g_string_printf(out, "%" PRIu64 "-%" PRIu64 " %s: %s\n",
 193                         pdata->start_sample, pdata->end_sample,
 194                         pdata->pdo->di->inst_id, s);
 195         g_free(s);
 196         if (write(op->outfd, out->str, out->len) == -1)
 197                 ERR("SRD_OUTPUT_PYTHON callback write failure!");
 198         DBG("wrote '%s'", out->str);
 199         g_string_free(out, TRUE);
 200
 201 }
 202
 203 static void srd_cb_bin(struct srd_proto_data *pdata, void *cb_data)
 204 {
 205         struct srd_proto_data_binary *pdb;
 206         struct output *op;
 207         GString *out;
 208         unsigned int i;
 209
 210         DBG("Binary output from %s", pdata->pdo->di->inst_id);
 211         op = cb_data;
 212         pdb = pdata->data;
 213
 214         if (strcmp(pdata->pdo->di->inst_id, op->pd))
 215                 /* This is not the PD selected for output. */
 216                 return;
 217
 218         if (op->class_idx != -1 && op->class_idx != pdb->bin_class)
 219                 /*
 220                  * This output takes a specific binary class,
 221                  * but not the one that just came in.
 222                  */
 223                 return;
 224
 225         out = g_string_sized_new(128);
 226         g_string_printf(out, "%" PRIu64 "-%" PRIu64 " %s:",
 227                         pdata->start_sample, pdata->end_sample,
 228                         pdata->pdo->di->inst_id);
 229         for (i = 0; i < pdb->size; i++) {
 230                 g_string_append_printf(out, " %.2x", pdb->data[i]);
 231         }
 232         g_string_append(out, "\n");
 233         if (write(op->outfd, out->str, out->len) == -1)
 234                 ERR("SRD_OUTPUT_BINARY callback write failure!");
 235
 236 }
 237
 238 static void srd_cb_ann(struct srd_proto_data *pdata, void *cb_data)
 239 {
 240         struct srd_decoder *dec;
 241         struct srd_proto_data_annotation *pda;
 242         struct output *op;
 243         GString *line;
 244         int i;
 245         char **dec_ann;
 246
 247         DBG("Annotation output from %s", pdata->pdo->di->inst_id);
 248         op = cb_data;
 249         pda = pdata->data;
 250         dec = pdata->pdo->di->decoder;
 251         if (strcmp(pdata->pdo->di->inst_id, op->pd))
 252                 /* This is not the PD selected for output. */
 253                 return;
 254
 255         if (op->class_idx != -1 && op->class_idx != pda->ann_class)
 256                 /*
 257                  * This output takes a specific annotation class,
 258                  * but not the one that just came in.
 259                  */
 260                 return;
 261
 262         dec_ann = g_slist_nth_data(dec->annotations, pda->ann_class);
 263         line = g_string_sized_new(256);
 264         g_string_printf(line, "%" PRIu64 "-%" PRIu64 " %s: %s:",
 265                         pdata->start_sample, pdata->end_sample,
 266                         pdata->pdo->di->inst_id, dec_ann[0]);
 267         for (i = 0; pda->ann_text[i]; i++)
 268                 g_string_append_printf(line, " \"%s\"", pda->ann_text[i]);
 269         g_string_append(line, "\n");
 270         if (write(op->outfd, line->str, line->len) == -1)
 271                 ERR("SRD_OUTPUT_ANN callback write failure!");
 272         g_string_free(line, TRUE);
 273
 274 }
 275
 276 static void sr_cb(const struct sr_dev_inst *sdi,
 277                 const struct sr_datafeed_packet *packet, void *cb_data)
 278 {
 279         const struct sr_datafeed_logic *logic;
 280         struct srd_session *sess;
 281         GVariant *gvar;
 282         uint64_t samplerate;
 283         int num_samples;
 284         static int samplecnt = 0;
 285
 286         sess = cb_data;
 287
 288         switch (packet->type) {
 289         case SR_DF_HEADER:
 290                 DBG("Received SR_DF_HEADER");
 291                 if (sr_config_get(sdi->driver, sdi, NULL, SR_CONF_SAMPLERATE,
 292                                 &gvar) != SR_OK) {
 293                         ERR("Getting samplerate failed");
 294                         break;
 295                 }
 296                 samplerate = g_variant_get_uint64(gvar);
 297                 g_variant_unref(gvar);
 298                 if (srd_session_metadata_set(sess, SRD_CONF_SAMPLERATE,
 299                                 g_variant_new_uint64(samplerate)) != SRD_OK) {
 300                         ERR("Setting samplerate failed");
 301                         break;
 302                 }
 303                 if (srd_session_start(sess) != SRD_OK) {
 304                         ERR("Session start failed");
 305                         break;
 306                 }
 307                 break;
 308         case SR_DF_LOGIC:
 309                 logic = packet->payload;
 310                 num_samples = logic->length / logic->unitsize;
 311                 DBG("Received SR_DF_LOGIC (%"PRIu64" bytes, unitsize = %d).",
 312                         logic->length, logic->unitsize);
 313                 srd_session_send(sess, samplecnt, samplecnt + num_samples,
 314                                 logic->data, logic->length);
 315                 samplecnt += logic->length / logic->unitsize;
 316                 break;
 317         case SR_DF_END:
 318                 DBG("Received SR_DF_END");
 319                 break;
 320         }
 321
 322 }
 323
 324 static int run_testcase(char *infile, GSList *pdlist, struct output *op)
 325 {
 326         struct srd_session *sess;
 327         struct srd_decoder *dec;
 328         struct srd_decoder_inst *di, *prev_di;
 329         srd_pd_output_callback cb;
 330         struct pd *pd;
 331         struct channel *channel;
 332         struct option *option;
 333         GVariant *gvar;
 334         GHashTable *channels, *opts;
 335         GSList *pdl, *l, *devices;
 336         int idx, i;
 337         int max_channel;
 338         char **decoder_class;
 339         struct sr_session *sr_sess;
 340         gboolean is_number;
 341         const char *s;
 342         struct sr_dev_inst *sdi;
 343         uint64_t unitsize;
 344
 345         if (op->outfile) {
 346                 if ((op->outfd = open(op->outfile, O_CREAT|O_WRONLY, 0600)) == -1) {
 347                         ERR("Unable to open %s for writing: %s", op->outfile,
 348                                         strerror(errno));
 349                         return FALSE;
 350                 }
 351         }
 352
 353         if (sr_session_load(infile, &sr_sess) != SR_OK)
 354                 return FALSE;
 355
 356         sr_session_dev_list(sr_sess, &devices);
 357         sdi = devices->data;
 358         sr_config_get(sdi->driver, sdi, NULL, SR_CONF_CAPTURE_UNITSIZE, &gvar);
 359         unitsize = g_variant_get_uint64(gvar);
 360         g_variant_unref(gvar);
 361
 362         if (srd_session_new(&sess) != SRD_OK)
 363                 return FALSE;
 364         sr_session_datafeed_callback_add(sr_sess, sr_cb, sess);
 365         switch (op->type) {
 366         case SRD_OUTPUT_ANN:
 367                 cb = srd_cb_ann;
 368                 break;
 369         case SRD_OUTPUT_BINARY:
 370                 cb = srd_cb_bin;
 371                 break;
 372         case SRD_OUTPUT_PYTHON:
 373                 cb = srd_cb_py;
 374                 break;
 375         default:
 376                 return FALSE;
 377         }
 378         srd_pd_output_callback_add(sess, op->type, cb, op);
 379
 380         prev_di = NULL;
 381         pd = NULL;
 382         for (pdl = pdlist; pdl; pdl = pdl->next) {
 383                 pd = pdl->data;
 384                 if (srd_decoder_load(pd->name) != SRD_OK)
 385                         return FALSE;
 386
 387                 /* Instantiate decoder and pass in options. */
 388                 opts = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
 389                                 (GDestroyNotify)g_variant_unref);
 390                 for (l = pd->options; l; l = l->next) {
 391                         option = l->data;
 392
 393                         is_number = TRUE;
 394                         s = g_variant_get_string(option->value, NULL);
 395                         for (i = 0; i < (int)strlen(s); i++) {
 396                                 if (!isdigit(s[i]))
 397                                         is_number = FALSE;
 398                         }
 399
 400                         if (is_number) {
 401                                 /* Integer option value */
 402                                 g_hash_table_insert(opts, option->key,
 403                                   g_variant_new_int64(strtoull(s, NULL, 10)));
 404                         } else {
 405                                 /* String option value */
 406                                 g_hash_table_insert(opts, option->key, option->value);
 407                         }
 408                 }
 409                 if (!(di = srd_inst_new(sess, pd->name, opts)))
 410                         return FALSE;
 411                 g_hash_table_destroy(opts);
 412
 413                 /* Map channels. */
 414                 if (pd->channels) {
 415                         channels = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
 416                                         (GDestroyNotify)g_variant_unref);
 417                         max_channel = 0;
 418                         for (l = pd->channels; l; l = l->next) {
 419                                 channel = l->data;
 420                                 if (channel->channel > max_channel)
 421                                         max_channel = channel->channel;
 422                                 gvar = g_variant_new_int32(channel->channel);
 423                                 g_variant_ref_sink(gvar);
 424                                 g_hash_table_insert(channels, channel->name, gvar);
 425                         }
 426
 427                         if (srd_inst_channel_set_all(di, channels, unitsize) != SRD_OK)
 428                                 return FALSE;
 429                         g_hash_table_destroy(channels);
 430                 }
 431
 432                 /* If this is not the first decoder in the list, stack it
 433                  * on top of the previous one. */
 434                 if (prev_di) {
 435                         if (srd_inst_stack(sess, prev_di, di) != SRD_OK) {
 436                                 ERR("Failed to stack decoder instances.");
 437                                 return FALSE;
 438                         }
 439                 }
 440                 prev_di = di;
 441         }
 442
 443         /* Resolve top decoder's class index, so we can match. */
 444         dec = srd_decoder_get_by_id(pd->name);
 445         if (op->class) {
 446                 if (op->type == SRD_OUTPUT_ANN)
 447                         l = dec->annotations;
 448                 else if (op->type == SRD_OUTPUT_BINARY)
 449                         l = dec->binary;
 450                 else
 451                         /* Only annotations and binary can have a class. */
 452                         return FALSE;
 453                 idx = 0;
 454                 while (l) {
 455                         decoder_class = l->data;
 456                         if (!strcmp(decoder_class[0], op->class)) {
 457                                 op->class_idx = idx;
 458                                 break;
 459                         } else
 460                                 idx++;
 461                         l = l->next;
 462                 }
 463                 if (op->class_idx == -1) {
 464                         ERR("Output class '%s' not found in decoder %s.",
 465                                         op->class, pd->name);
 466                         return FALSE;
 467                 } else
 468                         DBG("Class %s index is %d", op->class, op->class_idx);
 469         }
 470
 471         sr_session_start(sr_sess);
 472         sr_session_run(sr_sess);
 473         sr_session_stop(sr_sess);
 474
 475         srd_session_destroy(sess);
 476
 477         if (op->outfile)
 478                 close(op->outfd);
 479
 480         return TRUE;
 481 }
 482
 483 static PyObject *start_coverage(GSList *pdlist)
 484 {
 485         PyObject *py_mod, *py_pdlist, *py_pd, *py_func, *py_args, *py_kwargs, *py_cov;
 486         GSList *l;
 487         struct pd *pd;
 488
 489         DBG("Starting coverage.");
 490
 491         if (!(py_mod = PyImport_ImportModule("coverage")))
 492                 return NULL;
 493
 494         if (!(py_pdlist = PyList_New(0)))
 495                 return NULL;
 496         for (l = pdlist; l; l = l->next) {
 497                 pd = l->data;
 498                 py_pd = PyUnicode_FromFormat("*/%s/*.py", pd->name);
 499                 if (PyList_Append(py_pdlist, py_pd) < 0)
 500                         return NULL;
 501                 Py_DecRef(py_pd);
 502         }
 503         if (!(py_func = PyObject_GetAttrString(py_mod, "coverage")))
 504                 return NULL;
 505         if (!(py_args = PyTuple_New(0)))
 506                 return NULL;
 507         if (!(py_kwargs = Py_BuildValue("{sO}", "include", py_pdlist)))
 508                 return NULL;
 509         if (!(py_cov = PyObject_Call(py_func, py_args, py_kwargs)))
 510                 return NULL;
 511         if (!(PyObject_CallMethod(py_cov, "start", NULL)))
 512                 return NULL;
 513         Py_DecRef(py_pdlist);
 514         Py_DecRef(py_args);
 515         Py_DecRef(py_kwargs);
 516         Py_DecRef(py_func);
 517
 518         return py_cov;
 519 }
 520
 521 struct cvg *get_mod_cov(PyObject *py_cov, char *module_name)
 522 {
 523         PyObject *py_mod, *py_pathlist, *py_path, *py_func, *py_pd;
 524         PyObject *py_result, *py_missed, *py_item;
 525         DIR *d;
 526         struct dirent *de;
 527         struct cvg *cvg_mod;
 528         int num_lines, num_missed, linenum, i, j;
 529         char *path, *linespec;
 530
 531         if (!(py_mod = PyImport_ImportModule(module_name)))
 532                 return NULL;
 533
 534         cvg_mod = NULL;
 535         py_pathlist = PyObject_GetAttrString(py_mod, "__path__");
 536         for (i = 0; i < PyList_Size(py_pathlist); i++) {
 537                 py_path = PyList_GetItem(py_pathlist, i);
 538         PyUnicode_FSConverter(PyList_GetItem(py_pathlist, i), &py_path);
 539                 path = PyBytes_AS_STRING(py_path);
 540                 if (!(d = opendir(path))) {
 541                         ERR("Invalid module path '%s'", path);
 542                         return NULL;
 543                 }
 544                 while ((de = readdir(d))) {
 545                         if (strncmp(de->d_name + strlen(de->d_name) - 3, ".py", 3))
 546                                 continue;
 547
 548                         if (!(py_func = PyObject_GetAttrString(py_cov, "analysis2")))
 549                                 return NULL;
 550                         if (!(py_pd = PyUnicode_FromFormat("%s/%s", path, de->d_name)))
 551                                 return NULL;
 552                         if (!(py_result = PyObject_CallFunction(py_func, "O", py_pd)))
 553                                 return NULL;
 554                         Py_DecRef(py_pd);
 555                         Py_DecRef(py_func);
 556
 557                         if (!cvg_mod)
 558                                 cvg_mod = cvg_new();
 559                         if (PyTuple_Size(py_result) != 5) {
 560                                 ERR("Invalid result from coverage of '%s/%s'", path, de->d_name);
 561                                 return NULL;
 562                         }
 563                         num_lines = PyList_Size(PyTuple_GetItem(py_result, 1));
 564                         py_missed = PyTuple_GetItem(py_result, 3);
 565                         num_missed = PyList_Size(py_missed);
 566                         cvg_mod->num_lines += num_lines;
 567                         cvg_mod->num_missed += num_missed;
 568                         for (j = 0; j < num_missed; j++) {
 569                                 py_item = PyList_GetItem(py_missed, j);
 570                                 linenum = PyLong_AsLong(py_item);
 571                                 linespec = g_strdup_printf("%s/%s:%d", module_name,
 572                                                 de->d_name, linenum);
 573                                 cvg_mod->missed_lines = g_slist_append(cvg_mod->missed_lines, linespec);
 574                         }
 575                         DBG("Coverage for %s/%s: %d lines, %d missed.",
 576                                         module_name, de->d_name, num_lines, num_missed);
 577                         Py_DecRef(py_result);
 578                 }
 579         }
 580         if (cvg_mod->num_lines)
 581                 cvg_mod->coverage = 100 - ((float)cvg_mod->num_missed / (float)cvg_mod->num_lines * 100);
 582
 583         Py_DecRef(py_mod);
 584         Py_DecRef(py_path);
 585
 586         return cvg_mod;
 587 }
 588
 589 struct cvg *cvg_new(void)
 590 {
 591         struct cvg *cvg;
 592
 593         cvg = calloc(1, sizeof(struct cvg));
 594
 595         return cvg;
 596 }
 597
 598 gboolean find_missed_line(struct cvg *cvg, char *linespec)
 599 {
 600         GSList *l;
 601
 602         for (l = cvg->missed_lines; l; l = l->next)
 603                 if (!strcmp(l->data, linespec))
 604                         return TRUE;
 605
 606         return FALSE;
 607 }
 608
 609 void cvg_add(struct cvg *dst, struct cvg *src)
 610 {
 611         GSList *l;
 612         char *linespec;
 613
 614         dst->num_lines += src->num_lines;
 615         dst->num_missed += src->num_missed;
 616         for (l = src->missed_lines; l; l = l->next) {
 617                 linespec = l->data;
 618                 if (!find_missed_line(dst, linespec))
 619                         dst->missed_lines = g_slist_append(dst->missed_lines, linespec);
 620         }
 621
 622 }
 623
 624 static int report_coverage(PyObject *py_cov, GSList *pdlist)
 625 {
 626         PyObject *py_func, *py_mod, *py_args, *py_kwargs, *py_outfile, *py_pct;
 627         GSList *l, *ml;
 628         struct pd *pd;
 629         struct cvg *cvg_mod, *cvg_all;
 630         float total_coverage;
 631         int lines, missed, cnt;
 632
 633         DBG("Making coverage report.");
 634
 635         /* Get coverage for each module in the stack. */
 636         lines = missed = 0;
 637         cvg_all = cvg_new();
 638         for (cnt = 0, l = pdlist; l; l = l->next, cnt++) {
 639                 pd = l->data;
 640                 if (!(cvg_mod = get_mod_cov(py_cov, pd->name)))
 641                         return FALSE;
 642                 printf("coverage: scope=%s coverage=%.0f%% lines=%d missed=%d "
 643                                 "missed_lines=", pd->name, cvg_mod->coverage,
 644                                 cvg_mod->num_lines, cvg_mod->num_missed);
 645                 for (ml = cvg_mod->missed_lines; ml; ml = ml->next) {
 646                         if (ml != cvg_mod->missed_lines)
 647                                 printf(",");
 648                         printf("%s", (char *)ml->data);
 649                 }
 650                 printf("\n");
 651                 lines += cvg_mod->num_lines;
 652                 missed += cvg_mod->num_missed;
 653                 cvg_add(cvg_all, cvg_mod);
 654                 DBG("Coverage for module %s: %d lines, %d missed", pd->name,
 655                                 cvg_mod->num_lines, cvg_mod->num_missed);
 656         }
 657         lines /= cnt;
 658         missed /= cnt;
 659         total_coverage = 100 - ((float)missed / (float)lines * 100);
 660
 661         /* Machine-readable stats on stdout. */
 662         printf("coverage: scope=all coverage=%.0f%% lines=%d missed=%d\n",
 663                         total_coverage, cvg_all->num_lines, cvg_all->num_missed);
 664
 665         /* Write text report to file. */
 666         /* io.open(coverage_report, "w") */
 667         if (!(py_mod = PyImport_ImportModule("io")))
 668                 return FALSE;
 669         if (!(py_func = PyObject_GetAttrString(py_mod, "open")))
 670                 return FALSE;
 671         if (!(py_args = PyTuple_New(0)))
 672                 return FALSE;
 673         if (!(py_kwargs = Py_BuildValue("{ssss}", "file", coverage_report,
 674                         "mode", "w")))
 675                 return FALSE;
 676         if (!(py_outfile = PyObject_Call(py_func, py_args, py_kwargs)))
 677                 return FALSE;
 678         Py_DecRef(py_kwargs);
 679         Py_DecRef(py_func);
 680
 681         /* py_cov.report(file=py_outfile) */
 682         if (!(py_func = PyObject_GetAttrString(py_cov, "report")))
 683                 return FALSE;
 684         if (!(py_kwargs = Py_BuildValue("{sO}", "file", py_outfile)))
 685                 return FALSE;
 686         if (!(py_pct = PyObject_Call(py_func, py_args, py_kwargs)))
 687                 return FALSE;
 688         Py_DecRef(py_pct);
 689         Py_DecRef(py_kwargs);
 690         Py_DecRef(py_func);
 691
 692         /* py_outfile.close() */
 693         if (!(py_func = PyObject_GetAttrString(py_outfile, "close")))
 694                 return FALSE;
 695         if (!PyObject_Call(py_func, py_args, NULL))
 696                 return FALSE;
 697         Py_DecRef(py_outfile);
 698         Py_DecRef(py_func);
 699         Py_DecRef(py_args);
 700         Py_DecRef(py_mod);
 701
 702         return TRUE;
 703 }
 704
 705 int main(int argc, char **argv)
 706 {
 707         struct sr_context *ctx;
 708         PyObject *coverage;
 709         GSList *pdlist;
 710         struct pd *pd;
 711         struct channel *channel;
 712         struct option *option;
 713         struct output *op;
 714         int ret, c;
 715         char *opt_infile, **kv, **opstr;
 716
 717         op = malloc(sizeof(struct output));
 718         op->pd = NULL;
 719         op->type = -1;
 720         op->class = NULL;
 721         op->class_idx = -1;
 722         op->outfd = 1;
 723
 724         pdlist = NULL;
 725         opt_infile = NULL;
 726         pd = NULL;
 727         coverage = NULL;
 728         while ((c = getopt(argc, argv, "dP:p:o:i:O:f:c:S")) != -1) {
 729                 switch (c) {
 730                 case 'd':
 731                         debug = TRUE;
 732                         break;
 733                 case 'P':
 734                         pd = g_malloc(sizeof(struct pd));
 735                         pd->name = g_strdup(optarg);
 736                         pd->channels = pd->options = NULL;
 737                         pdlist = g_slist_append(pdlist, pd);
 738                         break;
 739                 case 'p':
 740                 case 'o':
 741                         if (g_slist_length(pdlist) == 0) {
 742                                 /* No previous -P. */
 743                                 ERR("Syntax error at '%s'", optarg);
 744                                 usage(NULL);
 745                         }
 746                         kv = g_strsplit(optarg, "=", 0);
 747                         if (!kv[0] || (!kv[1] || kv[2])) {
 748                                 /* Need x=y. */
 749                                 ERR("Syntax error at '%s'", optarg);
 750                                 g_strfreev(kv);
 751                                 usage(NULL);
 752                         }
 753                         if (c == 'p') {
 754                                 channel = malloc(sizeof(struct channel));
 755                                 channel->name = g_strdup(kv[0]);
 756                                 channel->channel = strtoul(kv[1], 0, 10);
 757                                 /* Apply to last PD. */
 758                                 pd->channels = g_slist_append(pd->channels, channel);
 759                         } else {
 760                                 option = malloc(sizeof(struct option));
 761                                 option->key = g_strdup(kv[0]);
 762                                 option->value = g_variant_new_string(kv[1]);
 763                 g_variant_ref_sink(option->value);
 764                                 /* Apply to last PD. */
 765                                 pd->options = g_slist_append(pd->options, option);
 766                         }
 767                         break;
 768                 case 'i':
 769                         opt_infile = optarg;
 770                         break;
 771                 case 'O':
 772                         opstr = g_strsplit(optarg, ":", 0);
 773                         if (!opstr[0] || !opstr[1]) {
 774                                 /* Need at least abc:def. */
 775                                 ERR("Syntax error at '%s'", optarg);
 776                                 g_strfreev(opstr);
 777                                 usage(NULL);
 778                         }
 779                         op->pd = g_strdup(opstr[0]);
 780                         if (!strcmp(opstr[1], "annotation"))
 781                                 op->type = SRD_OUTPUT_ANN;
 782                         else if (!strcmp(opstr[1], "binary"))
 783                                 op->type = SRD_OUTPUT_BINARY;
 784                         else if (!strcmp(opstr[1], "python"))
 785                                 op->type = SRD_OUTPUT_PYTHON;
 786                         else if (!strcmp(opstr[1], "exception"))
 787                                 /* Doesn't matter, we just need it to bomb out. */
 788                                 op->type = SRD_OUTPUT_PYTHON;
 789                         else {
 790                                 ERR("Unknown output type '%s'", opstr[1]);
 791                                 g_strfreev(opstr);
 792                                 usage(NULL);
 793                         }
 794                         if (opstr[2])
 795                                 op->class = g_strdup(opstr[2]);
 796                         g_strfreev(opstr);
 797                         break;
 798                 case 'f':
 799                         op->outfile = g_strdup(optarg);
 800                         op->outfd = -1;
 801                         break;
 802                 case 'c':
 803                         coverage_report = optarg;
 804                         break;
 805                 case 'S':
 806                         statistics = TRUE;
 807                         break;
 808                 default:
 809                         usage(NULL);
 810                 }
 811         }
 812         if (argc > optind)
 813                 usage(NULL);
 814         if (g_slist_length(pdlist) == 0)
 815                 usage(NULL);
 816         if (!opt_infile)
 817                 usage(NULL);
 818         if (!op->pd || op->type == -1)
 819                 usage(NULL);
 820
 821         sr_log_callback_set(sr_log, NULL);
 822         if (sr_init(&ctx) != SR_OK)
 823                 return 1;
 824
 825         srd_log_callback_set(srd_log, NULL);
 826         if (srd_init(DECODERS_DIR) != SRD_OK)
 827                 return 1;
 828
 829         if (coverage_report) {
 830                 if (!(coverage = start_coverage(pdlist))) {
 831                         DBG("Failed to start coverage.");
 832                         if (PyErr_Occurred()) {
 833                                 PyErr_PrintEx(0);
 834                                 PyErr_Clear();
 835                         }
 836                 }
 837         }
 838
 839         ret = 0;
 840         if (!run_testcase(opt_infile, pdlist, op))
 841                 ret = 1;
 842
 843         if (coverage) {
 844                 DBG("Stopping coverage.");
 845
 846                 if (!(PyObject_CallMethod(coverage, "stop", NULL)))
 847                         ERR("Failed to stop coverage.");
 848                 else if (!(report_coverage(coverage, pdlist)))
 849                         ERR("Failed to make coverage report.");
 850                 else
 851                         DBG("Coverage report in %s", coverage_report);
 852
 853                 if (PyErr_Occurred()) {
 854                         PyErr_PrintEx(0);
 855                         PyErr_Clear();
 856                 }
 857                 Py_DecRef(coverage);
 858         }
 859
 860         srd_exit();
 861         sr_exit(ctx);
 862
 863         return ret;
 864 }