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 struct sr_context *ctx;
  44
  45 struct channel {
  46         char *name;
  47         int channel;
  48 };
  49
  50 struct option {
  51         char *key;
  52         GVariant *value;
  53 };
  54
  55 struct pd {
  56         char *name;
  57         GSList *channels;
  58         GSList *options;
  59 };
  60
  61 struct output {
  62         char *pd;
  63         int type;
  64         char *class;
  65         int class_idx;
  66         char *outfile;
  67         int outfd;
  68 };
  69
  70 struct cvg {
  71         int num_lines;
  72         int num_missed;
  73         float coverage;
  74         GSList *missed_lines;
  75 };
  76
  77 struct cvg *get_mod_cov(PyObject *py_cov, char *module_name);
  78 void cvg_add(struct cvg *dst, struct cvg *src);
  79 struct cvg *cvg_new(void);
  80 gboolean find_missed_line(struct cvg *cvg, char *linespec);
  81
  82 static void logmsg(char *prefix, FILE *out, const char *format, va_list args)
  83 {
  84         if (prefix)
  85                 fprintf(out, "%s", prefix);
  86         vfprintf(out, format, args);
  87         fprintf(out, "\n");
  88 }
  89
  90 static void DBG(const char *format, ...)
  91 {
  92         va_list args;
  93
  94         if (!debug)
  95                 return;
  96         va_start(args, format);
  97         logmsg("DBG: runtc: ", stdout, format, args);
  98         va_end(args);
  99 }
 100
 101 static void ERR(const char *format, ...)
 102 {
 103         va_list args;
 104
 105         va_start(args, format);
 106         logmsg("Error: ", stderr, format, args);
 107         va_end(args);
 108 }
 109
 110 static int sr_log(void *cb_data, int loglevel, const char *format, va_list args)
 111 {
 112         (void)cb_data;
 113
 114         if (loglevel == SR_LOG_ERR || loglevel == SR_LOG_WARN)
 115                 logmsg("Error: sr: ", stderr, format, args);
 116         else if (debug)
 117                 logmsg("DBG: sr: ", stdout, format, args);
 118
 119         return SRD_OK;
 120 }
 121
 122 static int srd_log(void *cb_data, int loglevel, const char *format, va_list args)
 123 {
 124         (void)cb_data;
 125
 126         if (loglevel == SRD_LOG_ERR || loglevel == SRD_LOG_WARN)
 127                 logmsg("Error: srd: ", stderr, format, args);
 128         else if (debug)
 129                 logmsg("DBG: srd: ", stdout, format, args);
 130
 131         return SRD_OK;
 132 }
 133
 134 static void usage(char *msg)
 135 {
 136         if (msg)
 137                 fprintf(stderr, "%s\n", msg);
 138
 139         printf("Usage: runtc [-dPpoiOf]\n");
 140         printf("  -d  Debug\n");
 141         printf("  -P  <protocol decoder>\n");
 142         printf("  -p  <channelname=channelnum> (optional)\n");
 143         printf("  -o  <channeloption=value> (optional)\n");
 144         printf("  -i <input file>\n");
 145         printf("  -O <output-pd:output-type[:output-class]>\n");
 146         printf("  -f <output file> (optional)\n");
 147         printf("  -c <coverage report> (optional)\n");
 148         exit(msg ? 1 : 0);
 149
 150 }
 151
 152 /* This is a neutered version of libsigrokdecode's py_str_as_str(). It
 153  * does no error checking, but then the only strings it processes are
 154  * generated by Python's repr(), so are known good. */
 155 static char *py_str_as_str(const PyObject *py_str)
 156 {
 157         PyObject *py_encstr;
 158         char *str, *outstr;
 159
 160         py_encstr = PyUnicode_AsEncodedString((PyObject *)py_str, "utf-8", NULL);
 161         str = PyBytes_AS_STRING(py_encstr);
 162         outstr = g_strdup(str);
 163         Py_DecRef(py_encstr);
 164
 165         return outstr;
 166 }
 167
 168 static void srd_cb_py(struct srd_proto_data *pdata, void *cb_data)
 169 {
 170         struct output *op;
 171         PyObject *pydata, *pyrepr;
 172         GString *out;
 173         char *s;
 174
 175         DBG("Python output from %s", pdata->pdo->di->inst_id);
 176         op = cb_data;
 177         pydata = pdata->data;
 178         DBG("ptr %p", pydata);
 179
 180         if (strcmp(pdata->pdo->di->inst_id, op->pd))
 181                 /* This is not the PD selected for output. */
 182                 return;
 183
 184         if (!(pyrepr = PyObject_Repr(pydata))) {
 185                 ERR("Invalid Python object.");
 186                 return;
 187         }
 188         s = py_str_as_str(pyrepr);
 189         Py_DecRef(pyrepr);
 190
 191         /* Output format for testing is '<ss>-<es> <inst-id>: <repr>\n'. */
 192         out = g_string_sized_new(128);
 193         g_string_printf(out, "%" PRIu64 "-%" PRIu64 " %s: %s\n",
 194                         pdata->start_sample, pdata->end_sample,
 195                         pdata->pdo->di->inst_id, s);
 196         g_free(s);
 197         if (write(op->outfd, out->str, out->len) == -1)
 198                 ERR("SRD_OUTPUT_PYTHON callback write failure!");
 199         DBG("wrote '%s'", out->str);
 200         g_string_free(out, TRUE);
 201
 202 }
 203
 204 static void srd_cb_bin(struct srd_proto_data *pdata, void *cb_data)
 205 {
 206         struct srd_proto_data_binary *pdb;
 207         struct output *op;
 208         GString *out;
 209         unsigned int i;
 210
 211         DBG("Binary output from %s", pdata->pdo->di->inst_id);
 212         op = cb_data;
 213         pdb = pdata->data;
 214
 215         if (strcmp(pdata->pdo->di->inst_id, op->pd))
 216                 /* This is not the PD selected for output. */
 217                 return;
 218
 219         if (op->class_idx != -1 && op->class_idx != pdb->bin_class)
 220                 /*
 221                  * This output takes a specific binary class,
 222                  * but not the one that just came in.
 223                  */
 224                 return;
 225
 226         out = g_string_sized_new(128);
 227         g_string_printf(out, "%" PRIu64 "-%" PRIu64 " %s:",
 228                         pdata->start_sample, pdata->end_sample,
 229                         pdata->pdo->di->inst_id);
 230         for (i = 0; i < pdb->size; i++) {
 231                 g_string_append_printf(out, " %.2x", pdb->data[i]);
 232         }
 233         g_string_append(out, "\n");
 234         if (write(op->outfd, out->str, out->len) == -1)
 235                 ERR("SRD_OUTPUT_BINARY callback write failure!");
 236
 237 }
 238
 239 static void srd_cb_ann(struct srd_proto_data *pdata, void *cb_data)
 240 {
 241         struct srd_decoder *dec;
 242         struct srd_proto_data_annotation *pda;
 243         struct output *op;
 244         GString *line;
 245         int i;
 246         char **dec_ann;
 247
 248         DBG("Annotation output from %s", pdata->pdo->di->inst_id);
 249         op = cb_data;
 250         pda = pdata->data;
 251         dec = pdata->pdo->di->decoder;
 252         if (strcmp(pdata->pdo->di->inst_id, op->pd))
 253                 /* This is not the PD selected for output. */
 254                 return;
 255
 256         if (op->class_idx != -1 && op->class_idx != pda->ann_class)
 257                 /*
 258                  * This output takes a specific annotation class,
 259                  * but not the one that just came in.
 260                  */
 261                 return;
 262
 263         dec_ann = g_slist_nth_data(dec->annotations, pda->ann_class);
 264         line = g_string_sized_new(256);
 265         g_string_printf(line, "%" PRIu64 "-%" PRIu64 " %s: %s:",
 266                         pdata->start_sample, pdata->end_sample,
 267                         pdata->pdo->di->inst_id, dec_ann[0]);
 268         for (i = 0; pda->ann_text[i]; i++)
 269                 g_string_append_printf(line, " \"%s\"", pda->ann_text[i]);
 270         g_string_append(line, "\n");
 271         if (write(op->outfd, line->str, line->len) == -1)
 272                 ERR("SRD_OUTPUT_ANN callback write failure!");
 273         g_string_free(line, TRUE);
 274
 275 }
 276
 277 static void sr_cb(const struct sr_dev_inst *sdi,
 278                 const struct sr_datafeed_packet *packet, void *cb_data)
 279 {
 280         const struct sr_datafeed_logic *logic;
 281         struct srd_session *sess;
 282         GVariant *gvar;
 283         uint64_t samplerate;
 284         int num_samples;
 285         static int samplecnt = 0;
 286         struct sr_dev_driver *driver;
 287
 288         sess = cb_data;
 289
 290         driver = sr_dev_inst_driver_get(sdi);
 291
 292         switch (packet->type) {
 293         case SR_DF_HEADER:
 294                 DBG("Received SR_DF_HEADER");
 295                 if (sr_config_get(driver, sdi, NULL, SR_CONF_SAMPLERATE,
 296                                 &gvar) != SR_OK) {
 297                         ERR("Getting samplerate failed");
 298                         break;
 299                 }
 300                 samplerate = g_variant_get_uint64(gvar);
 301                 g_variant_unref(gvar);
 302                 if (srd_session_metadata_set(sess, SRD_CONF_SAMPLERATE,
 303                                 g_variant_new_uint64(samplerate)) != SRD_OK) {
 304                         ERR("Setting samplerate failed");
 305                         break;
 306                 }
 307                 if (srd_session_start(sess) != SRD_OK) {
 308                         ERR("Session start failed");
 309                         break;
 310                 }
 311                 break;
 312         case SR_DF_LOGIC:
 313                 logic = packet->payload;
 314                 num_samples = logic->length / logic->unitsize;
 315                 DBG("Received SR_DF_LOGIC (%"PRIu64" bytes, unitsize = %d).",
 316                         logic->length, logic->unitsize);
 317                 srd_session_send(sess, samplecnt, samplecnt + num_samples,
 318                                 logic->data, logic->length);
 319                 samplecnt += logic->length / logic->unitsize;
 320                 break;
 321         case SR_DF_END:
 322                 DBG("Received SR_DF_END");
 323                 break;
 324         }
 325
 326 }
 327
 328 static int run_testcase(char *infile, GSList *pdlist, struct output *op)
 329 {
 330         struct srd_session *sess;
 331         struct srd_decoder *dec;
 332         struct srd_decoder_inst *di, *prev_di;
 333         srd_pd_output_callback cb;
 334         struct pd *pd;
 335         struct channel *channel;
 336         struct option *option;
 337         GVariant *gvar;
 338         GHashTable *channels, *opts;
 339         GSList *pdl, *l, *devices;
 340         int idx, i;
 341         int max_channel;
 342         char **decoder_class;
 343         struct sr_session *sr_sess;
 344         gboolean is_number;
 345         const char *s;
 346         struct sr_dev_inst *sdi;
 347         uint64_t unitsize;
 348         struct sr_dev_driver *driver;
 349
 350         if (op->outfile) {
 351                 if ((op->outfd = open(op->outfile, O_CREAT|O_WRONLY, 0600)) == -1) {
 352                         ERR("Unable to open %s for writing: %s", op->outfile,
 353                                         strerror(errno));
 354                         return FALSE;
 355                 }
 356         }
 357
 358         if (sr_session_load(ctx, infile, &sr_sess) != SR_OK)
 359                 return FALSE;
 360
 361         sr_session_dev_list(sr_sess, &devices);
 362         sdi = devices->data;
 363         driver = sr_dev_inst_driver_get(sdi);
 364         sr_config_get(driver, sdi, NULL, SR_CONF_CAPTURE_UNITSIZE, &gvar);
 365         unitsize = g_variant_get_uint64(gvar);
 366         g_variant_unref(gvar);
 367
 368         if (srd_session_new(&sess) != SRD_OK)
 369                 return FALSE;
 370         sr_session_datafeed_callback_add(sr_sess, sr_cb, sess);
 371         switch (op->type) {
 372         case SRD_OUTPUT_ANN:
 373                 cb = srd_cb_ann;
 374                 break;
 375         case SRD_OUTPUT_BINARY:
 376                 cb = srd_cb_bin;
 377                 break;
 378         case SRD_OUTPUT_PYTHON:
 379                 cb = srd_cb_py;
 380                 break;
 381         default:
 382                 return FALSE;
 383         }
 384         srd_pd_output_callback_add(sess, op->type, cb, op);
 385
 386         prev_di = NULL;
 387         pd = NULL;
 388         for (pdl = pdlist; pdl; pdl = pdl->next) {
 389                 pd = pdl->data;
 390                 if (srd_decoder_load(pd->name) != SRD_OK)
 391                         return FALSE;
 392
 393                 /* Instantiate decoder and pass in options. */
 394                 opts = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
 395                                 (GDestroyNotify)g_variant_unref);
 396                 for (l = pd->options; l; l = l->next) {
 397                         option = l->data;
 398
 399                         is_number = TRUE;
 400                         s = g_variant_get_string(option->value, NULL);
 401                         for (i = 0; i < (int)strlen(s); i++) {
 402                                 if (!isdigit(s[i]))
 403                                         is_number = FALSE;
 404                         }
 405
 406                         if (is_number) {
 407                                 /* Integer option value */
 408                                 g_hash_table_insert(opts, option->key,
 409                                   g_variant_new_int64(strtoull(s, NULL, 10)));
 410                         } else {
 411                                 /* String option value */
 412                                 g_hash_table_insert(opts, option->key, option->value);
 413                         }
 414                 }
 415                 if (!(di = srd_inst_new(sess, pd->name, opts)))
 416                         return FALSE;
 417                 g_hash_table_destroy(opts);
 418
 419                 /* Map channels. */
 420                 if (pd->channels) {
 421                         channels = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
 422                                         (GDestroyNotify)g_variant_unref);
 423                         max_channel = 0;
 424                         for (l = pd->channels; l; l = l->next) {
 425                                 channel = l->data;
 426                                 if (channel->channel > max_channel)
 427                                         max_channel = channel->channel;
 428                                 gvar = g_variant_new_int32(channel->channel);
 429                                 g_variant_ref_sink(gvar);
 430                                 g_hash_table_insert(channels, channel->name, gvar);
 431                         }
 432
 433                         if (srd_inst_channel_set_all(di, channels, unitsize) != SRD_OK)
 434                                 return FALSE;
 435                         g_hash_table_destroy(channels);
 436                 }
 437
 438                 /* If this is not the first decoder in the list, stack it
 439                  * on top of the previous one. */
 440                 if (prev_di) {
 441                         if (srd_inst_stack(sess, prev_di, di) != SRD_OK) {
 442                                 ERR("Failed to stack decoder instances.");
 443                                 return FALSE;
 444                         }
 445                 }
 446                 prev_di = di;
 447         }
 448
 449         /* Resolve top decoder's class index, so we can match. */
 450         dec = srd_decoder_get_by_id(pd->name);
 451         if (op->class) {
 452                 if (op->type == SRD_OUTPUT_ANN)
 453                         l = dec->annotations;
 454                 else if (op->type == SRD_OUTPUT_BINARY)
 455                         l = dec->binary;
 456                 else
 457                         /* Only annotations and binary can have a class. */
 458                         return FALSE;
 459                 idx = 0;
 460                 while (l) {
 461                         decoder_class = l->data;
 462                         if (!strcmp(decoder_class[0], op->class)) {
 463                                 op->class_idx = idx;
 464                                 break;
 465                         } else
 466                                 idx++;
 467                         l = l->next;
 468                 }
 469                 if (op->class_idx == -1) {
 470                         ERR("Output class '%s' not found in decoder %s.",
 471                                         op->class, pd->name);
 472                         return FALSE;
 473                 } else
 474                         DBG("Class %s index is %d", op->class, op->class_idx);
 475         }
 476
 477         sr_session_start(sr_sess);
 478         sr_session_run(sr_sess);
 479         sr_session_stop(sr_sess);
 480
 481         srd_session_destroy(sess);
 482
 483         if (op->outfile)
 484                 close(op->outfd);
 485
 486         return TRUE;
 487 }
 488
 489 static PyObject *start_coverage(GSList *pdlist)
 490 {
 491         PyObject *py_mod, *py_pdlist, *py_pd, *py_func, *py_args, *py_kwargs, *py_cov;
 492         GSList *l;
 493         struct pd *pd;
 494
 495         DBG("Starting coverage.");
 496
 497         if (!(py_mod = PyImport_ImportModule("coverage")))
 498                 return NULL;
 499
 500         if (!(py_pdlist = PyList_New(0)))
 501                 return NULL;
 502         for (l = pdlist; l; l = l->next) {
 503                 pd = l->data;
 504                 py_pd = PyUnicode_FromFormat("*/%s/*.py", pd->name);
 505                 if (PyList_Append(py_pdlist, py_pd) < 0)
 506                         return NULL;
 507                 Py_DecRef(py_pd);
 508         }
 509         if (!(py_func = PyObject_GetAttrString(py_mod, "coverage")))
 510                 return NULL;
 511         if (!(py_args = PyTuple_New(0)))
 512                 return NULL;
 513         if (!(py_kwargs = Py_BuildValue("{sO}", "include", py_pdlist)))
 514                 return NULL;
 515         if (!(py_cov = PyObject_Call(py_func, py_args, py_kwargs)))
 516                 return NULL;
 517         if (!(PyObject_CallMethod(py_cov, "start", NULL)))
 518                 return NULL;
 519         Py_DecRef(py_pdlist);
 520         Py_DecRef(py_args);
 521         Py_DecRef(py_kwargs);
 522         Py_DecRef(py_func);
 523
 524         return py_cov;
 525 }
 526
 527 struct cvg *get_mod_cov(PyObject *py_cov, char *module_name)
 528 {
 529         PyObject *py_mod, *py_pathlist, *py_path, *py_func, *py_pd;
 530         PyObject *py_result, *py_missed, *py_item;
 531         DIR *d;
 532         struct dirent *de;
 533         struct cvg *cvg_mod;
 534         int num_lines, num_missed, linenum, i, j;
 535         char *path, *linespec;
 536
 537         if (!(py_mod = PyImport_ImportModule(module_name)))
 538                 return NULL;
 539
 540         cvg_mod = NULL;
 541         py_pathlist = PyObject_GetAttrString(py_mod, "__path__");
 542         for (i = 0; i < PyList_Size(py_pathlist); i++) {
 543                 py_path = PyList_GetItem(py_pathlist, i);
 544         PyUnicode_FSConverter(PyList_GetItem(py_pathlist, i), &py_path);
 545                 path = PyBytes_AS_STRING(py_path);
 546                 if (!(d = opendir(path))) {
 547                         ERR("Invalid module path '%s'", path);
 548                         return NULL;
 549                 }
 550                 while ((de = readdir(d))) {
 551                         if (strncmp(de->d_name + strlen(de->d_name) - 3, ".py", 3))
 552                                 continue;
 553
 554                         if (!(py_func = PyObject_GetAttrString(py_cov, "analysis2")))
 555                                 return NULL;
 556                         if (!(py_pd = PyUnicode_FromFormat("%s/%s", path, de->d_name)))
 557                                 return NULL;
 558                         if (!(py_result = PyObject_CallFunction(py_func, "O", py_pd)))
 559                                 return NULL;
 560                         Py_DecRef(py_pd);
 561                         Py_DecRef(py_func);
 562
 563                         if (!cvg_mod)
 564                                 cvg_mod = cvg_new();
 565                         if (PyTuple_Size(py_result) != 5) {
 566                                 ERR("Invalid result from coverage of '%s/%s'", path, de->d_name);
 567                                 return NULL;
 568                         }
 569                         num_lines = PyList_Size(PyTuple_GetItem(py_result, 1));
 570                         py_missed = PyTuple_GetItem(py_result, 3);
 571                         num_missed = PyList_Size(py_missed);
 572                         cvg_mod->num_lines += num_lines;
 573                         cvg_mod->num_missed += num_missed;
 574                         for (j = 0; j < num_missed; j++) {
 575                                 py_item = PyList_GetItem(py_missed, j);
 576                                 linenum = PyLong_AsLong(py_item);
 577                                 linespec = g_strdup_printf("%s/%s:%d", module_name,
 578                                                 de->d_name, linenum);
 579                                 cvg_mod->missed_lines = g_slist_append(cvg_mod->missed_lines, linespec);
 580                         }
 581                         DBG("Coverage for %s/%s: %d lines, %d missed.",
 582                                         module_name, de->d_name, num_lines, num_missed);
 583                         Py_DecRef(py_result);
 584                 }
 585         }
 586         if (cvg_mod->num_lines)
 587                 cvg_mod->coverage = 100 - ((float)cvg_mod->num_missed / (float)cvg_mod->num_lines * 100);
 588
 589         Py_DecRef(py_mod);
 590         Py_DecRef(py_path);
 591
 592         return cvg_mod;
 593 }
 594
 595 struct cvg *cvg_new(void)
 596 {
 597         struct cvg *cvg;
 598
 599         cvg = calloc(1, sizeof(struct cvg));
 600
 601         return cvg;
 602 }
 603
 604 gboolean find_missed_line(struct cvg *cvg, char *linespec)
 605 {
 606         GSList *l;
 607
 608         for (l = cvg->missed_lines; l; l = l->next)
 609                 if (!strcmp(l->data, linespec))
 610                         return TRUE;
 611
 612         return FALSE;
 613 }
 614
 615 void cvg_add(struct cvg *dst, struct cvg *src)
 616 {
 617         GSList *l;
 618         char *linespec;
 619
 620         dst->num_lines += src->num_lines;
 621         dst->num_missed += src->num_missed;
 622         for (l = src->missed_lines; l; l = l->next) {
 623                 linespec = l->data;
 624                 if (!find_missed_line(dst, linespec))
 625                         dst->missed_lines = g_slist_append(dst->missed_lines, linespec);
 626         }
 627
 628 }
 629
 630 static int report_coverage(PyObject *py_cov, GSList *pdlist)
 631 {
 632         PyObject *py_func, *py_mod, *py_args, *py_kwargs, *py_outfile, *py_pct;
 633         GSList *l, *ml;
 634         struct pd *pd;
 635         struct cvg *cvg_mod, *cvg_all;
 636         float total_coverage;
 637         int lines, missed, cnt;
 638
 639         DBG("Making coverage report.");
 640
 641         /* Get coverage for each module in the stack. */
 642         lines = missed = 0;
 643         cvg_all = cvg_new();
 644         for (cnt = 0, l = pdlist; l; l = l->next, cnt++) {
 645                 pd = l->data;
 646                 if (!(cvg_mod = get_mod_cov(py_cov, pd->name)))
 647                         return FALSE;
 648                 printf("coverage: scope=%s coverage=%.0f%% lines=%d missed=%d "
 649                                 "missed_lines=", pd->name, cvg_mod->coverage,
 650                                 cvg_mod->num_lines, cvg_mod->num_missed);
 651                 for (ml = cvg_mod->missed_lines; ml; ml = ml->next) {
 652                         if (ml != cvg_mod->missed_lines)
 653                                 printf(",");
 654                         printf("%s", (char *)ml->data);
 655                 }
 656                 printf("\n");
 657                 lines += cvg_mod->num_lines;
 658                 missed += cvg_mod->num_missed;
 659                 cvg_add(cvg_all, cvg_mod);
 660                 DBG("Coverage for module %s: %d lines, %d missed", pd->name,
 661                                 cvg_mod->num_lines, cvg_mod->num_missed);
 662         }
 663         lines /= cnt;
 664         missed /= cnt;
 665         total_coverage = 100 - ((float)missed / (float)lines * 100);
 666
 667         /* Machine-readable stats on stdout. */
 668         printf("coverage: scope=all coverage=%.0f%% lines=%d missed=%d\n",
 669                         total_coverage, cvg_all->num_lines, cvg_all->num_missed);
 670
 671         /* Write text report to file. */
 672         /* io.open(coverage_report, "w") */
 673         if (!(py_mod = PyImport_ImportModule("io")))
 674                 return FALSE;
 675         if (!(py_func = PyObject_GetAttrString(py_mod, "open")))
 676                 return FALSE;
 677         if (!(py_args = PyTuple_New(0)))
 678                 return FALSE;
 679         if (!(py_kwargs = Py_BuildValue("{ssss}", "file", coverage_report,
 680                         "mode", "w")))
 681                 return FALSE;
 682         if (!(py_outfile = PyObject_Call(py_func, py_args, py_kwargs)))
 683                 return FALSE;
 684         Py_DecRef(py_kwargs);
 685         Py_DecRef(py_func);
 686
 687         /* py_cov.report(file=py_outfile) */
 688         if (!(py_func = PyObject_GetAttrString(py_cov, "report")))
 689                 return FALSE;
 690         if (!(py_kwargs = Py_BuildValue("{sO}", "file", py_outfile)))
 691                 return FALSE;
 692         if (!(py_pct = PyObject_Call(py_func, py_args, py_kwargs)))
 693                 return FALSE;
 694         Py_DecRef(py_pct);
 695         Py_DecRef(py_kwargs);
 696         Py_DecRef(py_func);
 697
 698         /* py_outfile.close() */
 699         if (!(py_func = PyObject_GetAttrString(py_outfile, "close")))
 700                 return FALSE;
 701         if (!PyObject_Call(py_func, py_args, NULL))
 702                 return FALSE;
 703         Py_DecRef(py_outfile);
 704         Py_DecRef(py_func);
 705         Py_DecRef(py_args);
 706         Py_DecRef(py_mod);
 707
 708         return TRUE;
 709 }
 710
 711 int main(int argc, char **argv)
 712 {
 713         PyObject *coverage;
 714         GSList *pdlist;
 715         struct pd *pd;
 716         struct channel *channel;
 717         struct option *option;
 718         struct output *op;
 719         int ret, c;
 720         char *opt_infile, **kv, **opstr;
 721
 722         op = malloc(sizeof(struct output));
 723         op->pd = NULL;
 724         op->type = -1;
 725         op->class = NULL;
 726         op->class_idx = -1;
 727         op->outfd = 1;
 728
 729         pdlist = NULL;
 730         opt_infile = NULL;
 731         pd = NULL;
 732         coverage = NULL;
 733         while ((c = getopt(argc, argv, "dP:p:o:i:O:f:c:S")) != -1) {
 734                 switch (c) {
 735                 case 'd':
 736                         debug = TRUE;
 737                         break;
 738                 case 'P':
 739                         pd = g_malloc(sizeof(struct pd));
 740                         pd->name = g_strdup(optarg);
 741                         pd->channels = pd->options = NULL;
 742                         pdlist = g_slist_append(pdlist, pd);
 743                         break;
 744                 case 'p':
 745                 case 'o':
 746                         if (g_slist_length(pdlist) == 0) {
 747                                 /* No previous -P. */
 748                                 ERR("Syntax error at '%s'", optarg);
 749                                 usage(NULL);
 750                         }
 751                         kv = g_strsplit(optarg, "=", 0);
 752                         if (!kv[0] || (!kv[1] || kv[2])) {
 753                                 /* Need x=y. */
 754                                 ERR("Syntax error at '%s'", optarg);
 755                                 g_strfreev(kv);
 756                                 usage(NULL);
 757                         }
 758                         if (c == 'p') {
 759                                 channel = malloc(sizeof(struct channel));
 760                                 channel->name = g_strdup(kv[0]);
 761                                 channel->channel = strtoul(kv[1], 0, 10);
 762                                 /* Apply to last PD. */
 763                                 pd->channels = g_slist_append(pd->channels, channel);
 764                         } else {
 765                                 option = malloc(sizeof(struct option));
 766                                 option->key = g_strdup(kv[0]);
 767                                 option->value = g_variant_new_string(kv[1]);
 768                 g_variant_ref_sink(option->value);
 769                                 /* Apply to last PD. */
 770                                 pd->options = g_slist_append(pd->options, option);
 771                         }
 772                         break;
 773                 case 'i':
 774                         opt_infile = optarg;
 775                         break;
 776                 case 'O':
 777                         opstr = g_strsplit(optarg, ":", 0);
 778                         if (!opstr[0] || !opstr[1]) {
 779                                 /* Need at least abc:def. */
 780                                 ERR("Syntax error at '%s'", optarg);
 781                                 g_strfreev(opstr);
 782                                 usage(NULL);
 783                         }
 784                         op->pd = g_strdup(opstr[0]);
 785                         if (!strcmp(opstr[1], "annotation"))
 786                                 op->type = SRD_OUTPUT_ANN;
 787                         else if (!strcmp(opstr[1], "binary"))
 788                                 op->type = SRD_OUTPUT_BINARY;
 789                         else if (!strcmp(opstr[1], "python"))
 790                                 op->type = SRD_OUTPUT_PYTHON;
 791                         else if (!strcmp(opstr[1], "exception"))
 792                                 /* Doesn't matter, we just need it to bomb out. */
 793                                 op->type = SRD_OUTPUT_PYTHON;
 794                         else {
 795                                 ERR("Unknown output type '%s'", opstr[1]);
 796                                 g_strfreev(opstr);
 797                                 usage(NULL);
 798                         }
 799                         if (opstr[2])
 800                                 op->class = g_strdup(opstr[2]);
 801                         g_strfreev(opstr);
 802                         break;
 803                 case 'f':
 804                         op->outfile = g_strdup(optarg);
 805                         op->outfd = -1;
 806                         break;
 807                 case 'c':
 808                         coverage_report = optarg;
 809                         break;
 810                 case 'S':
 811                         statistics = TRUE;
 812                         break;
 813                 default:
 814                         usage(NULL);
 815                 }
 816         }
 817         if (argc > optind)
 818                 usage(NULL);
 819         if (g_slist_length(pdlist) == 0)
 820                 usage(NULL);
 821         if (!opt_infile)
 822                 usage(NULL);
 823         if (!op->pd || op->type == -1)
 824                 usage(NULL);
 825
 826         sr_log_callback_set(sr_log, NULL);
 827         if (sr_init(&ctx) != SR_OK)
 828                 return 1;
 829
 830         srd_log_callback_set(srd_log, NULL);
 831         if (srd_init(DECODERS_DIR) != SRD_OK)
 832                 return 1;
 833
 834         if (coverage_report) {
 835                 if (!(coverage = start_coverage(pdlist))) {
 836                         DBG("Failed to start coverage.");
 837                         if (PyErr_Occurred()) {
 838                                 PyErr_PrintEx(0);
 839                                 PyErr_Clear();
 840                         }
 841                 }
 842         }
 843
 844         ret = 0;
 845         if (!run_testcase(opt_infile, pdlist, op))
 846                 ret = 1;
 847
 848         if (coverage) {
 849                 DBG("Stopping coverage.");
 850
 851                 if (!(PyObject_CallMethod(coverage, "stop", NULL)))
 852                         ERR("Failed to stop coverage.");
 853                 else if (!(report_coverage(coverage, pdlist)))
 854                         ERR("Failed to make coverage report.");
 855                 else
 856                         DBG("Coverage report in %s", coverage_report);
 857
 858                 if (PyErr_Occurred()) {
 859                         PyErr_PrintEx(0);
 860                         PyErr_Clear();
 861                 }
 862                 Py_DecRef(coverage);
 863         }
 864
 865         srd_exit();
 866         sr_exit(ctx);
 867
 868         return ret;
 869 }