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: %d samples", num_samples);
 312                 srd_session_send(sess, samplecnt, samplecnt + num_samples,
 313                                 logic->data, logic->length);
 314                 samplecnt += logic->length / logic->unitsize;
 315                 break;
 316         case SR_DF_END:
 317                 DBG("Received SR_DF_END");
 318                 break;
 319         }
 320
 321 }
 322
 323 static int run_testcase(char *infile, GSList *pdlist, struct output *op)
 324 {
 325         struct srd_session *sess;
 326         struct srd_decoder *dec;
 327         struct srd_decoder_inst *di, *prev_di;
 328         srd_pd_output_callback cb;
 329         struct pd *pd;
 330         struct channel *channel;
 331         struct option *option;
 332         GVariant *gvar;
 333         GHashTable *channels, *opts;
 334         GSList *pdl, *l;
 335         int idx, i;
 336         int max_channel;
 337         char **decoder_class;
 338         struct sr_session *sr_sess;
 339         gboolean is_number;
 340         const char *s;
 341
 342         if (op->outfile) {
 343                 if ((op->outfd = open(op->outfile, O_CREAT|O_WRONLY, 0600)) == -1) {
 344                         ERR("Unable to open %s for writing: %s", op->outfile,
 345                                         strerror(errno));
 346                         return FALSE;
 347                 }
 348         }
 349
 350         if (sr_session_load(infile, &sr_sess) != SR_OK)
 351                 return FALSE;
 352
 353         if (srd_session_new(&sess) != SRD_OK)
 354                 return FALSE;
 355         sr_session_datafeed_callback_add(sr_sess, sr_cb, sess);
 356         switch (op->type) {
 357         case SRD_OUTPUT_ANN:
 358                 cb = srd_cb_ann;
 359                 break;
 360         case SRD_OUTPUT_BINARY:
 361                 cb = srd_cb_bin;
 362                 break;
 363         case SRD_OUTPUT_PYTHON:
 364                 cb = srd_cb_py;
 365                 break;
 366         default:
 367                 return FALSE;
 368         }
 369         srd_pd_output_callback_add(sess, op->type, cb, op);
 370
 371         prev_di = NULL;
 372         pd = NULL;
 373         for (pdl = pdlist; pdl; pdl = pdl->next) {
 374                 pd = pdl->data;
 375                 if (srd_decoder_load(pd->name) != SRD_OK)
 376                         return FALSE;
 377
 378                 /* Instantiate decoder and pass in options. */
 379                 opts = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
 380                                 (GDestroyNotify)g_variant_unref);
 381                 for (l = pd->options; l; l = l->next) {
 382                         option = l->data;
 383
 384                         is_number = TRUE;
 385                         s = g_variant_get_string(option->value, NULL);
 386                         for (i = 0; i < (int)strlen(s); i++) {
 387                                 if (!isdigit(s[i]))
 388                                         is_number = FALSE;
 389                         }
 390
 391                         if (is_number) {
 392                                 /* Integer option value */
 393                                 g_hash_table_insert(opts, option->key,
 394                                   g_variant_new_int64(strtoull(s, NULL, 10)));
 395                         } else {
 396                                 /* String option value */
 397                                 g_hash_table_insert(opts, option->key, option->value);
 398                         }
 399                 }
 400                 if (!(di = srd_inst_new(sess, pd->name, opts)))
 401                         return FALSE;
 402                 g_hash_table_destroy(opts);
 403
 404                 /* Map channels. */
 405                 if (pd->channels) {
 406                         channels = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
 407                                         (GDestroyNotify)g_variant_unref);
 408                         max_channel = 0;
 409                         for (l = pd->channels; l; l = l->next) {
 410                                 channel = l->data;
 411                                 if (channel->channel > max_channel)
 412                                         max_channel = channel->channel;
 413                                 gvar = g_variant_new_int32(channel->channel);
 414                                 g_variant_ref_sink(gvar);
 415                                 g_hash_table_insert(channels, channel->name, gvar);
 416                         }
 417                         if (srd_inst_channel_set_all(di, channels,
 418                                         (max_channel + 8) / 8) != SRD_OK)
 419                                 return FALSE;
 420                         g_hash_table_destroy(channels);
 421                 }
 422
 423                 /* If this is not the first decoder in the list, stack it
 424                  * on top of the previous one. */
 425                 if (prev_di) {
 426                         if (srd_inst_stack(sess, prev_di, di) != SRD_OK) {
 427                                 ERR("Failed to stack decoder instances.");
 428                                 return FALSE;
 429                         }
 430                 }
 431                 prev_di = di;
 432         }
 433
 434         /* Resolve top decoder's class index, so we can match. */
 435         dec = srd_decoder_get_by_id(pd->name);
 436         if (op->class) {
 437                 if (op->type == SRD_OUTPUT_ANN)
 438                         l = dec->annotations;
 439                 else if (op->type == SRD_OUTPUT_BINARY)
 440                         l = dec->binary;
 441                 else
 442                         /* Only annotations and binary can have a class. */
 443                         return FALSE;
 444                 idx = 0;
 445                 while (l) {
 446                         decoder_class = l->data;
 447                         if (!strcmp(decoder_class[0], op->class)) {
 448                                 op->class_idx = idx;
 449                                 break;
 450                         } else
 451                                 idx++;
 452                         l = l->next;
 453                 }
 454                 if (op->class_idx == -1) {
 455                         ERR("Output class '%s' not found in decoder %s.",
 456                                         op->class, pd->name);
 457                         return FALSE;
 458                 } else
 459                         DBG("Class %s index is %d", op->class, op->class_idx);
 460         }
 461
 462         sr_session_start(sr_sess);
 463         sr_session_run(sr_sess);
 464         sr_session_stop(sr_sess);
 465
 466         srd_session_destroy(sess);
 467
 468         if (op->outfile)
 469                 close(op->outfd);
 470
 471         return TRUE;
 472 }
 473
 474 static PyObject *start_coverage(GSList *pdlist)
 475 {
 476         PyObject *py_mod, *py_pdlist, *py_pd, *py_func, *py_args, *py_kwargs, *py_cov;
 477         GSList *l;
 478         struct pd *pd;
 479
 480         DBG("Starting coverage.");
 481
 482         if (!(py_mod = PyImport_ImportModule("coverage")))
 483                 return NULL;
 484
 485         if (!(py_pdlist = PyList_New(0)))
 486                 return NULL;
 487         for (l = pdlist; l; l = l->next) {
 488                 pd = l->data;
 489                 py_pd = PyUnicode_FromFormat("*/%s/*.py", pd->name);
 490                 if (PyList_Append(py_pdlist, py_pd) < 0)
 491                         return NULL;
 492                 Py_DecRef(py_pd);
 493         }
 494         if (!(py_func = PyObject_GetAttrString(py_mod, "coverage")))
 495                 return NULL;
 496         if (!(py_args = PyTuple_New(0)))
 497                 return NULL;
 498         if (!(py_kwargs = Py_BuildValue("{sO}", "include", py_pdlist)))
 499                 return NULL;
 500         if (!(py_cov = PyObject_Call(py_func, py_args, py_kwargs)))
 501                 return NULL;
 502         if (!(PyObject_CallMethod(py_cov, "start", NULL)))
 503                 return NULL;
 504         Py_DecRef(py_pdlist);
 505         Py_DecRef(py_args);
 506         Py_DecRef(py_kwargs);
 507         Py_DecRef(py_func);
 508
 509         return py_cov;
 510 }
 511
 512 struct cvg *get_mod_cov(PyObject *py_cov, char *module_name)
 513 {
 514         PyObject *py_mod, *py_pathlist, *py_path, *py_func, *py_pd;
 515         PyObject *py_result, *py_missed, *py_item;
 516         DIR *d;
 517         struct dirent *de;
 518         struct cvg *cvg_mod;
 519         int num_lines, num_missed, linenum, i, j;
 520         char *path, *linespec;
 521
 522         if (!(py_mod = PyImport_ImportModule(module_name)))
 523                 return NULL;
 524
 525         cvg_mod = NULL;
 526         py_pathlist = PyObject_GetAttrString(py_mod, "__path__");
 527         for (i = 0; i < PyList_Size(py_pathlist); i++) {
 528                 py_path = PyList_GetItem(py_pathlist, i);
 529         PyUnicode_FSConverter(PyList_GetItem(py_pathlist, i), &py_path);
 530                 path = PyBytes_AS_STRING(py_path);
 531                 if (!(d = opendir(path))) {
 532                         ERR("Invalid module path '%s'", path);
 533                         return NULL;
 534                 }
 535                 while ((de = readdir(d))) {
 536                         if (strncmp(de->d_name + strlen(de->d_name) - 3, ".py", 3))
 537                                 continue;
 538
 539                         if (!(py_func = PyObject_GetAttrString(py_cov, "analysis2")))
 540                                 return NULL;
 541                         if (!(py_pd = PyUnicode_FromFormat("%s/%s", path, de->d_name)))
 542                                 return NULL;
 543                         if (!(py_result = PyObject_CallFunction(py_func, "O", py_pd)))
 544                                 return NULL;
 545                         Py_DecRef(py_pd);
 546                         Py_DecRef(py_func);
 547
 548                         if (!cvg_mod)
 549                                 cvg_mod = cvg_new();
 550                         if (PyTuple_Size(py_result) != 5) {
 551                                 ERR("Invalid result from coverage of '%s/%s'", path, de->d_name);
 552                                 return NULL;
 553                         }
 554                         num_lines = PyList_Size(PyTuple_GetItem(py_result, 1));
 555                         py_missed = PyTuple_GetItem(py_result, 3);
 556                         num_missed = PyList_Size(py_missed);
 557                         cvg_mod->num_lines += num_lines;
 558                         cvg_mod->num_missed += num_missed;
 559                         for (j = 0; j < num_missed; j++) {
 560                                 py_item = PyList_GetItem(py_missed, j);
 561                                 linenum = PyLong_AsLong(py_item);
 562                                 linespec = g_strdup_printf("%s/%s:%d", module_name,
 563                                                 de->d_name, linenum);
 564                                 cvg_mod->missed_lines = g_slist_append(cvg_mod->missed_lines, linespec);
 565                         }
 566                         DBG("Coverage for %s/%s: %d lines, %d missed.",
 567                                         module_name, de->d_name, num_lines, num_missed);
 568                         Py_DecRef(py_result);
 569                 }
 570         }
 571         if (cvg_mod->num_lines)
 572                 cvg_mod->coverage = 100 - ((float)cvg_mod->num_missed / (float)cvg_mod->num_lines * 100);
 573
 574         Py_DecRef(py_mod);
 575         Py_DecRef(py_path);
 576
 577         return cvg_mod;
 578 }
 579
 580 struct cvg *cvg_new(void)
 581 {
 582         struct cvg *cvg;
 583
 584         cvg = calloc(1, sizeof(struct cvg));
 585
 586         return cvg;
 587 }
 588
 589 gboolean find_missed_line(struct cvg *cvg, char *linespec)
 590 {
 591         GSList *l;
 592
 593         for (l = cvg->missed_lines; l; l = l->next)
 594                 if (!strcmp(l->data, linespec))
 595                         return TRUE;
 596
 597         return FALSE;
 598 }
 599
 600 void cvg_add(struct cvg *dst, struct cvg *src)
 601 {
 602         GSList *l;
 603         char *linespec;
 604
 605         dst->num_lines += src->num_lines;
 606         dst->num_missed += src->num_missed;
 607         for (l = src->missed_lines; l; l = l->next) {
 608                 linespec = l->data;
 609                 if (!find_missed_line(dst, linespec))
 610                         dst->missed_lines = g_slist_append(dst->missed_lines, linespec);
 611         }
 612
 613 }
 614
 615 static int report_coverage(PyObject *py_cov, GSList *pdlist)
 616 {
 617         PyObject *py_func, *py_mod, *py_args, *py_kwargs, *py_outfile, *py_pct;
 618         GSList *l, *ml;
 619         struct pd *pd;
 620         struct cvg *cvg_mod, *cvg_all;
 621         float total_coverage;
 622         int lines, missed, cnt;
 623
 624         DBG("Making coverage report.");
 625
 626         /* Get coverage for each module in the stack. */
 627         lines = missed = 0;
 628         cvg_all = cvg_new();
 629         for (cnt = 0, l = pdlist; l; l = l->next, cnt++) {
 630                 pd = l->data;
 631                 if (!(cvg_mod = get_mod_cov(py_cov, pd->name)))
 632                         return FALSE;
 633                 printf("coverage: scope=%s coverage=%.0f%% lines=%d missed=%d "
 634                                 "missed_lines=", pd->name, cvg_mod->coverage,
 635                                 cvg_mod->num_lines, cvg_mod->num_missed);
 636                 for (ml = cvg_mod->missed_lines; ml; ml = ml->next) {
 637                         if (ml != cvg_mod->missed_lines)
 638                                 printf(",");
 639                         printf("%s", (char *)ml->data);
 640                 }
 641                 printf("\n");
 642                 lines += cvg_mod->num_lines;
 643                 missed += cvg_mod->num_missed;
 644                 cvg_add(cvg_all, cvg_mod);
 645                 DBG("Coverage for module %s: %d lines, %d missed", pd->name,
 646                                 cvg_mod->num_lines, cvg_mod->num_missed);
 647         }
 648         lines /= cnt;
 649         missed /= cnt;
 650         total_coverage = 100 - ((float)missed / (float)lines * 100);
 651
 652         /* Machine-readable stats on stdout. */
 653         printf("coverage: scope=all coverage=%.0f%% lines=%d missed=%d\n",
 654                         total_coverage, cvg_all->num_lines, cvg_all->num_missed);
 655
 656         /* Write text report to file. */
 657         /* io.open(coverage_report, "w") */
 658         if (!(py_mod = PyImport_ImportModule("io")))
 659                 return FALSE;
 660         if (!(py_func = PyObject_GetAttrString(py_mod, "open")))
 661                 return FALSE;
 662         if (!(py_args = PyTuple_New(0)))
 663                 return FALSE;
 664         if (!(py_kwargs = Py_BuildValue("{ssss}", "file", coverage_report,
 665                         "mode", "w")))
 666                 return FALSE;
 667         if (!(py_outfile = PyObject_Call(py_func, py_args, py_kwargs)))
 668                 return FALSE;
 669         Py_DecRef(py_kwargs);
 670         Py_DecRef(py_func);
 671
 672         /* py_cov.report(file=py_outfile) */
 673         if (!(py_func = PyObject_GetAttrString(py_cov, "report")))
 674                 return FALSE;
 675         if (!(py_kwargs = Py_BuildValue("{sO}", "file", py_outfile)))
 676                 return FALSE;
 677         if (!(py_pct = PyObject_Call(py_func, py_args, py_kwargs)))
 678                 return FALSE;
 679         Py_DecRef(py_pct);
 680         Py_DecRef(py_kwargs);
 681         Py_DecRef(py_func);
 682
 683         /* py_outfile.close() */
 684         if (!(py_func = PyObject_GetAttrString(py_outfile, "close")))
 685                 return FALSE;
 686         if (!PyObject_Call(py_func, py_args, NULL))
 687                 return FALSE;
 688         Py_DecRef(py_outfile);
 689         Py_DecRef(py_func);
 690         Py_DecRef(py_args);
 691         Py_DecRef(py_mod);
 692
 693         return TRUE;
 694 }
 695
 696 int main(int argc, char **argv)
 697 {
 698         struct sr_context *ctx;
 699         PyObject *coverage;
 700         GSList *pdlist;
 701         struct pd *pd;
 702         struct channel *channel;
 703         struct option *option;
 704         struct output *op;
 705         int ret, c;
 706         char *opt_infile, **kv, **opstr;
 707
 708         op = malloc(sizeof(struct output));
 709         op->pd = NULL;
 710         op->type = -1;
 711         op->class = NULL;
 712         op->class_idx = -1;
 713         op->outfd = 1;
 714
 715         pdlist = NULL;
 716         opt_infile = NULL;
 717         pd = NULL;
 718         coverage = NULL;
 719         while ((c = getopt(argc, argv, "dP:p:o:i:O:f:c:S")) != -1) {
 720                 switch (c) {
 721                 case 'd':
 722                         debug = TRUE;
 723                         break;
 724                 case 'P':
 725                         pd = g_malloc(sizeof(struct pd));
 726                         pd->name = g_strdup(optarg);
 727                         pd->channels = pd->options = NULL;
 728                         pdlist = g_slist_append(pdlist, pd);
 729                         break;
 730                 case 'p':
 731                 case 'o':
 732                         if (g_slist_length(pdlist) == 0) {
 733                                 /* No previous -P. */
 734                                 ERR("Syntax error at '%s'", optarg);
 735                                 usage(NULL);
 736                         }
 737                         kv = g_strsplit(optarg, "=", 0);
 738                         if (!kv[0] || (!kv[1] || kv[2])) {
 739                                 /* Need x=y. */
 740                                 ERR("Syntax error at '%s'", optarg);
 741                                 g_strfreev(kv);
 742                                 usage(NULL);
 743                         }
 744                         if (c == 'p') {
 745                                 channel = malloc(sizeof(struct channel));
 746                                 channel->name = g_strdup(kv[0]);
 747                                 channel->channel = strtoul(kv[1], 0, 10);
 748                                 /* Apply to last PD. */
 749                                 pd->channels = g_slist_append(pd->channels, channel);
 750                         } else {
 751                                 option = malloc(sizeof(struct option));
 752                                 option->key = g_strdup(kv[0]);
 753                                 option->value = g_variant_new_string(kv[1]);
 754                 g_variant_ref_sink(option->value);
 755                                 /* Apply to last PD. */
 756                                 pd->options = g_slist_append(pd->options, option);
 757                         }
 758                         break;
 759                 case 'i':
 760                         opt_infile = optarg;
 761                         break;
 762                 case 'O':
 763                         opstr = g_strsplit(optarg, ":", 0);
 764                         if (!opstr[0] || !opstr[1]) {
 765                                 /* Need at least abc:def. */
 766                                 ERR("Syntax error at '%s'", optarg);
 767                                 g_strfreev(opstr);
 768                                 usage(NULL);
 769                         }
 770                         op->pd = g_strdup(opstr[0]);
 771                         if (!strcmp(opstr[1], "annotation"))
 772                                 op->type = SRD_OUTPUT_ANN;
 773                         else if (!strcmp(opstr[1], "binary"))
 774                                 op->type = SRD_OUTPUT_BINARY;
 775                         else if (!strcmp(opstr[1], "python"))
 776                                 op->type = SRD_OUTPUT_PYTHON;
 777                         else if (!strcmp(opstr[1], "exception"))
 778                                 /* Doesn't matter, we just need it to bomb out. */
 779                                 op->type = SRD_OUTPUT_PYTHON;
 780                         else {
 781                                 ERR("Unknown output type '%s'", opstr[1]);
 782                                 g_strfreev(opstr);
 783                                 usage(NULL);
 784                         }
 785                         if (opstr[2])
 786                                 op->class = g_strdup(opstr[2]);
 787                         g_strfreev(opstr);
 788                         break;
 789                 case 'f':
 790                         op->outfile = g_strdup(optarg);
 791                         op->outfd = -1;
 792                         break;
 793                 case 'c':
 794                         coverage_report = optarg;
 795                         break;
 796                 case 'S':
 797                         statistics = TRUE;
 798                         break;
 799                 default:
 800                         usage(NULL);
 801                 }
 802         }
 803         if (argc > optind)
 804                 usage(NULL);
 805         if (g_slist_length(pdlist) == 0)
 806                 usage(NULL);
 807         if (!opt_infile)
 808                 usage(NULL);
 809         if (!op->pd || op->type == -1)
 810                 usage(NULL);
 811
 812         sr_log_callback_set(sr_log, NULL);
 813         if (sr_init(&ctx) != SR_OK)
 814                 return 1;
 815
 816         srd_log_callback_set(srd_log, NULL);
 817         if (srd_init(DECODERS_DIR) != SRD_OK)
 818                 return 1;
 819
 820         if (coverage_report) {
 821                 if (!(coverage = start_coverage(pdlist))) {
 822                         DBG("Failed to start coverage.");
 823                         if (PyErr_Occurred()) {
 824                                 PyErr_PrintEx(0);
 825                                 PyErr_Clear();
 826                         }
 827                 }
 828         }
 829
 830         ret = 0;
 831         if (!run_testcase(opt_infile, pdlist, op))
 832                 ret = 1;
 833
 834         if (coverage) {
 835                 DBG("Stopping coverage.");
 836
 837                 if (!(PyObject_CallMethod(coverage, "stop", NULL)))
 838                         ERR("Failed to stop coverage.");
 839                 else if (!(report_coverage(coverage, pdlist)))
 840                         ERR("Failed to make coverage report.");
 841                 else
 842                         DBG("Coverage report in %s", coverage_report);
 843
 844                 if (PyErr_Occurred()) {
 845                         PyErr_PrintEx(0);
 846                         PyErr_Clear();
 847                 }
 848                 Py_DecRef(coverage);
 849         }
 850
 851         srd_exit();
 852         sr_exit(ctx);
 853
 854         return ret;
 855 }