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