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 [-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 /*
 153  * This is a neutered version of libsigrokdecode's py_str_as_str(). It
 154  * does no error checking, but then the only strings it processes are
 155  * generated by Python's repr(), so are known good.
 156  */
 157 static char *py_str_as_str(const PyObject *py_str)
 158 {
 159         PyObject *py_encstr;
 160         char *str, *outstr;
 161
 162         py_encstr = PyUnicode_AsEncodedString((PyObject *)py_str, "utf-8", NULL);
 163         str = PyBytes_AS_STRING(py_encstr);
 164         outstr = g_strdup(str);
 165         Py_DecRef(py_encstr);
 166
 167         return outstr;
 168 }
 169
 170 static void srd_cb_py(struct srd_proto_data *pdata, void *cb_data)
 171 {
 172         struct output *op;
 173         PyObject *pydata, *pyrepr;
 174         GString *out;
 175         char *s;
 176
 177         DBG("Python output from %s", pdata->pdo->di->inst_id);
 178         op = cb_data;
 179         pydata = pdata->data;
 180         DBG("ptr %p", pydata);
 181
 182         if (strcmp(pdata->pdo->di->inst_id, op->pd))
 183                 /* This is not the PD selected for output. */
 184                 return;
 185
 186         if (!(pyrepr = PyObject_Repr(pydata))) {
 187                 ERR("Invalid Python object.");
 188                 return;
 189         }
 190         s = py_str_as_str(pyrepr);
 191         Py_DecRef(pyrepr);
 192
 193         /* Output format for testing is '<ss>-<es> <inst-id>: <repr>\n'. */
 194         out = g_string_sized_new(128);
 195         g_string_printf(out, "%" PRIu64 "-%" PRIu64 " %s: %s\n",
 196                         pdata->start_sample, pdata->end_sample,
 197                         pdata->pdo->di->inst_id, s);
 198         g_free(s);
 199         if (write(op->outfd, out->str, out->len) == -1)
 200                 ERR("SRD_OUTPUT_PYTHON callback write failure!");
 201         DBG("wrote '%s'", out->str);
 202         g_string_free(out, TRUE);
 203
 204 }
 205
 206 static void srd_cb_bin(struct srd_proto_data *pdata, void *cb_data)
 207 {
 208         struct srd_proto_data_binary *pdb;
 209         struct output *op;
 210         GString *out;
 211         unsigned int i;
 212
 213         DBG("Binary output from %s", pdata->pdo->di->inst_id);
 214         op = cb_data;
 215         pdb = pdata->data;
 216
 217         if (strcmp(pdata->pdo->di->inst_id, op->pd))
 218                 /* This is not the PD selected for output. */
 219                 return;
 220
 221         if (op->class_idx != -1 && op->class_idx != pdb->bin_class)
 222                 /*
 223                  * This output takes a specific binary class,
 224                  * but not the one that just came in.
 225                  */
 226                 return;
 227
 228         out = g_string_sized_new(128);
 229         g_string_printf(out, "%" PRIu64 "-%" PRIu64 " %s:",
 230                         pdata->start_sample, pdata->end_sample,
 231                         pdata->pdo->di->inst_id);
 232         for (i = 0; i < pdb->size; i++) {
 233                 g_string_append_printf(out, " %.2x", pdb->data[i]);
 234         }
 235         g_string_append(out, "\n");
 236         if (write(op->outfd, out->str, out->len) == -1)
 237                 ERR("SRD_OUTPUT_BINARY callback write failure!");
 238
 239 }
 240
 241 static void srd_cb_ann(struct srd_proto_data *pdata, void *cb_data)
 242 {
 243         struct srd_decoder *dec;
 244         struct srd_proto_data_annotation *pda;
 245         struct output *op;
 246         GString *line;
 247         int i;
 248         char **dec_ann;
 249
 250         DBG("Annotation output from %s", pdata->pdo->di->inst_id);
 251         op = cb_data;
 252         pda = pdata->data;
 253         dec = pdata->pdo->di->decoder;
 254         if (strcmp(pdata->pdo->di->inst_id, op->pd))
 255                 /* This is not the PD selected for output. */
 256                 return;
 257
 258         if (op->class_idx != -1 && op->class_idx != pda->ann_class)
 259                 /*
 260                  * This output takes a specific annotation class,
 261                  * but not the one that just came in.
 262                  */
 263                 return;
 264
 265         dec_ann = g_slist_nth_data(dec->annotations, pda->ann_class);
 266         line = g_string_sized_new(256);
 267         g_string_printf(line, "%" PRIu64 "-%" PRIu64 " %s: %s:",
 268                         pdata->start_sample, pdata->end_sample,
 269                         pdata->pdo->di->inst_id, dec_ann[0]);
 270         for (i = 0; pda->ann_text[i]; i++)
 271                 g_string_append_printf(line, " \"%s\"", pda->ann_text[i]);
 272         g_string_append(line, "\n");
 273         if (write(op->outfd, line->str, line->len) == -1)
 274                 ERR("SRD_OUTPUT_ANN callback write failure!");
 275         g_string_free(line, TRUE);
 276
 277 }
 278
 279 static void sr_cb(const struct sr_dev_inst *sdi,
 280                 const struct sr_datafeed_packet *packet, void *cb_data)
 281 {
 282         const struct sr_datafeed_logic *logic;
 283         struct srd_session *sess;
 284         GVariant *gvar;
 285         uint64_t samplerate;
 286         int num_samples;
 287         static int samplecnt = 0;
 288         struct sr_dev_driver *driver;
 289
 290         sess = cb_data;
 291
 292         driver = sr_dev_inst_driver_get(sdi);
 293
 294         switch (packet->type) {
 295         case SR_DF_HEADER:
 296                 DBG("Received SR_DF_HEADER");
 297                 if (sr_config_get(driver, sdi, NULL, SR_CONF_SAMPLERATE,
 298                                 &gvar) != SR_OK) {
 299                         ERR("Getting samplerate failed");
 300                         break;
 301                 }
 302                 samplerate = g_variant_get_uint64(gvar);
 303                 g_variant_unref(gvar);
 304                 if (srd_session_metadata_set(sess, SRD_CONF_SAMPLERATE,
 305                                 g_variant_new_uint64(samplerate)) != SRD_OK) {
 306                         ERR("Setting samplerate failed");
 307                         break;
 308                 }
 309                 if (srd_session_start(sess) != SRD_OK) {
 310                         ERR("Session start failed");
 311                         break;
 312                 }
 313                 break;
 314         case SR_DF_LOGIC:
 315                 logic = packet->payload;
 316                 num_samples = logic->length / logic->unitsize;
 317                 DBG("Received SR_DF_LOGIC (%"PRIu64" bytes, unitsize = %d).",
 318                         logic->length, logic->unitsize);
 319                 srd_session_send(sess, samplecnt, samplecnt + num_samples,
 320                                 logic->data, logic->length);
 321                 samplecnt += logic->length / logic->unitsize;
 322                 break;
 323         case SR_DF_END:
 324                 DBG("Received SR_DF_END");
 325                 break;
 326         }
 327
 328 }
 329
 330 static int run_testcase(const char *infile, GSList *pdlist, struct output *op)
 331 {
 332         struct srd_session *sess;
 333         struct srd_decoder *dec;
 334         struct srd_decoder_inst *di, *prev_di;
 335         srd_pd_output_callback cb;
 336         struct pd *pd;
 337         struct channel *channel;
 338         struct option *option;
 339         GVariant *gvar;
 340         GHashTable *channels, *opts;
 341         GSList *pdl, *l, *devices;
 342         int idx, i;
 343         int max_channel;
 344         char **decoder_class;
 345         struct sr_session *sr_sess;
 346         gboolean is_number;
 347         const char *s;
 348         struct sr_dev_inst *sdi;
 349         uint64_t unitsize;
 350         struct sr_dev_driver *driver;
 351
 352         if (op->outfile) {
 353                 if ((op->outfd = open(op->outfile, O_CREAT|O_WRONLY, 0600)) == -1) {
 354                         ERR("Unable to open %s for writing: %s", op->outfile,
 355                                         strerror(errno));
 356                         return FALSE;
 357                 }
 358         }
 359
 360         if (sr_session_load(ctx, infile, &sr_sess) != SR_OK)
 361                 return FALSE;
 362
 363         sr_session_dev_list(sr_sess, &devices);
 364         sdi = devices->data;
 365         driver = sr_dev_inst_driver_get(sdi);
 366         sr_config_get(driver, sdi, NULL, SR_CONF_CAPTURE_UNITSIZE, &gvar);
 367         unitsize = g_variant_get_uint64(gvar);
 368         g_variant_unref(gvar);
 369
 370         if (srd_session_new(&sess) != SRD_OK)
 371                 return FALSE;
 372         sr_session_datafeed_callback_add(sr_sess, sr_cb, sess);
 373         switch (op->type) {
 374         case SRD_OUTPUT_ANN:
 375                 cb = srd_cb_ann;
 376                 break;
 377         case SRD_OUTPUT_BINARY:
 378                 cb = srd_cb_bin;
 379                 break;
 380         case SRD_OUTPUT_PYTHON:
 381                 cb = srd_cb_py;
 382                 break;
 383         default:
 384                 return FALSE;
 385         }
 386         srd_pd_output_callback_add(sess, op->type, cb, op);
 387
 388         prev_di = NULL;
 389         pd = NULL;
 390         for (pdl = pdlist; pdl; pdl = pdl->next) {
 391                 pd = pdl->data;
 392                 if (srd_decoder_load(pd->name) != SRD_OK)
 393                         return FALSE;
 394
 395                 /* Instantiate decoder and pass in options. */
 396                 opts = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
 397                                 (GDestroyNotify)g_variant_unref);
 398                 for (l = pd->options; l; l = l->next) {
 399                         option = l->data;
 400
 401                         is_number = TRUE;
 402                         s = g_variant_get_string(option->value, NULL);
 403                         for (i = 0; i < (int)strlen(s); i++) {
 404                                 if (!isdigit(s[i]))
 405                                         is_number = FALSE;
 406                         }
 407
 408                         if (is_number) {
 409                                 /* Integer option value */
 410                                 g_hash_table_insert(opts, option->key,
 411                                   g_variant_new_int64(strtoull(s, NULL, 10)));
 412                         } else {
 413                                 /* String option value */
 414                                 g_hash_table_insert(opts, option->key, option->value);
 415                         }
 416                 }
 417                 if (!(di = srd_inst_new(sess, pd->name, opts)))
 418                         return FALSE;
 419                 g_hash_table_destroy(opts);
 420
 421                 /* Map channels. */
 422                 if (pd->channels) {
 423                         channels = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
 424                                         (GDestroyNotify)g_variant_unref);
 425                         max_channel = 0;
 426                         for (l = pd->channels; l; l = l->next) {
 427                                 channel = l->data;
 428                                 if (channel->channel > max_channel)
 429                                         max_channel = channel->channel;
 430                                 gvar = g_variant_new_int32(channel->channel);
 431                                 g_variant_ref_sink(gvar);
 432                                 g_hash_table_insert(channels, channel->name, gvar);
 433                         }
 434
 435                         if (srd_inst_channel_set_all(di, channels, unitsize) != SRD_OK)
 436                                 return FALSE;
 437                         g_hash_table_destroy(channels);
 438                 }
 439
 440                 /*
 441                  * If this is not the first decoder in the list, stack it
 442                  * on top of the previous one.
 443                  */
 444                 if (prev_di) {
 445                         if (srd_inst_stack(sess, prev_di, di) != SRD_OK) {
 446                                 ERR("Failed to stack decoder instances.");
 447                                 return FALSE;
 448                         }
 449                 }
 450                 prev_di = di;
 451         }
 452
 453         /* Resolve top decoder's class index, so we can match. */
 454         dec = srd_decoder_get_by_id(pd->name);
 455         if (op->class) {
 456                 if (op->type == SRD_OUTPUT_ANN)
 457                         l = dec->annotations;
 458                 else if (op->type == SRD_OUTPUT_BINARY)
 459                         l = dec->binary;
 460                 else
 461                         /* Only annotations and binary can have a class. */
 462                         return FALSE;
 463                 idx = 0;
 464                 while (l) {
 465                         decoder_class = l->data;
 466                         if (!strcmp(decoder_class[0], op->class)) {
 467                                 op->class_idx = idx;
 468                                 break;
 469                         } else
 470                                 idx++;
 471                         l = l->next;
 472                 }
 473                 if (op->class_idx == -1) {
 474                         ERR("Output class '%s' not found in decoder %s.",
 475                                         op->class, pd->name);
 476                         return FALSE;
 477                 } else
 478                         DBG("Class %s index is %d", op->class, op->class_idx);
 479         }
 480
 481         sr_session_start(sr_sess);
 482         sr_session_run(sr_sess);
 483         sr_session_stop(sr_sess);
 484
 485         srd_session_destroy(sess);
 486
 487         if (op->outfile)
 488                 close(op->outfd);
 489
 490         return TRUE;
 491 }
 492
 493 static PyObject *start_coverage(GSList *pdlist)
 494 {
 495         PyObject *py_mod, *py_pdlist, *py_pd, *py_func, *py_args, *py_kwargs, *py_cov;
 496         GSList *l;
 497         struct pd *pd;
 498
 499         DBG("Starting coverage.");
 500
 501         if (!(py_mod = PyImport_ImportModule("coverage")))
 502                 return NULL;
 503
 504         if (!(py_pdlist = PyList_New(0)))
 505                 return NULL;
 506         for (l = pdlist; l; l = l->next) {
 507                 pd = l->data;
 508                 py_pd = PyUnicode_FromFormat("*/%s/*.py", pd->name);
 509                 if (PyList_Append(py_pdlist, py_pd) < 0)
 510                         return NULL;
 511                 Py_DecRef(py_pd);
 512         }
 513         if (!(py_func = PyObject_GetAttrString(py_mod, "coverage")))
 514                 return NULL;
 515         if (!(py_args = PyTuple_New(0)))
 516                 return NULL;
 517         if (!(py_kwargs = Py_BuildValue("{sO}", "include", py_pdlist)))
 518                 return NULL;
 519         if (!(py_cov = PyObject_Call(py_func, py_args, py_kwargs)))
 520                 return NULL;
 521         if (!(PyObject_CallMethod(py_cov, "start", NULL)))
 522                 return NULL;
 523         Py_DecRef(py_pdlist);
 524         Py_DecRef(py_args);
 525         Py_DecRef(py_kwargs);
 526         Py_DecRef(py_func);
 527
 528         return py_cov;
 529 }
 530
 531 static struct cvg *get_mod_cov(PyObject *py_cov, const char *module_name)
 532 {
 533         PyObject *py_mod, *py_pathlist, *py_path, *py_func, *py_pd;
 534         PyObject *py_result, *py_missed, *py_item;
 535         DIR *d;
 536         struct dirent *de;
 537         struct cvg *cvg_mod;
 538         int num_lines, num_missed, linenum, i, j;
 539         char *path, *linespec;
 540
 541         if (!(py_mod = PyImport_ImportModule(module_name)))
 542                 return NULL;
 543
 544         cvg_mod = NULL;
 545         py_pathlist = PyObject_GetAttrString(py_mod, "__path__");
 546         for (i = 0; i < PyList_Size(py_pathlist); i++) {
 547                 py_path = PyList_GetItem(py_pathlist, i);
 548                 PyUnicode_FSConverter(PyList_GetItem(py_pathlist, i), &py_path);
 549                 path = PyBytes_AS_STRING(py_path);
 550                 if (!(d = opendir(path))) {
 551                         ERR("Invalid module path '%s'", path);
 552                         return NULL;
 553                 }
 554                 while ((de = readdir(d))) {
 555                         if (strncmp(de->d_name + strlen(de->d_name) - 3, ".py", 3))
 556                                 continue;
 557
 558                         if (!(py_func = PyObject_GetAttrString(py_cov, "analysis2")))
 559                                 return NULL;
 560                         if (!(py_pd = PyUnicode_FromFormat("%s/%s", path, de->d_name)))
 561                                 return NULL;
 562                         if (!(py_result = PyObject_CallFunction(py_func, "O", py_pd)))
 563                                 return NULL;
 564                         Py_DecRef(py_pd);
 565                         Py_DecRef(py_func);
 566
 567                         if (!cvg_mod)
 568                                 cvg_mod = cvg_new();
 569                         if (PyTuple_Size(py_result) != 5) {
 570                                 ERR("Invalid result from coverage of '%s/%s'", path, de->d_name);
 571                                 return NULL;
 572                         }
 573                         num_lines = PyList_Size(PyTuple_GetItem(py_result, 1));
 574                         py_missed = PyTuple_GetItem(py_result, 3);
 575                         num_missed = PyList_Size(py_missed);
 576                         cvg_mod->num_lines += num_lines;
 577                         cvg_mod->num_missed += num_missed;
 578                         for (j = 0; j < num_missed; j++) {
 579                                 py_item = PyList_GetItem(py_missed, j);
 580                                 linenum = PyLong_AsLong(py_item);
 581                                 linespec = g_strdup_printf("%s/%s:%d", module_name,
 582                                                 de->d_name, linenum);
 583                                 cvg_mod->missed_lines = g_slist_append(cvg_mod->missed_lines, linespec);
 584                         }
 585                         DBG("Coverage for %s/%s: %d lines, %d missed.",
 586                                         module_name, de->d_name, num_lines, num_missed);
 587                         Py_DecRef(py_result);
 588                 }
 589         }
 590         if (cvg_mod->num_lines)
 591                 cvg_mod->coverage = 100 - ((float)cvg_mod->num_missed / (float)cvg_mod->num_lines * 100);
 592
 593         Py_DecRef(py_mod);
 594         Py_DecRef(py_path);
 595
 596         return cvg_mod;
 597 }
 598
 599 static struct cvg *cvg_new(void)
 600 {
 601         struct cvg *cvg;
 602
 603         cvg = calloc(1, sizeof(struct cvg));
 604
 605         return cvg;
 606 }
 607
 608 static gboolean find_missed_line(struct cvg *cvg, const char *linespec)
 609 {
 610         GSList *l;
 611
 612         for (l = cvg->missed_lines; l; l = l->next)
 613                 if (!strcmp(l->data, linespec))
 614                         return TRUE;
 615
 616         return FALSE;
 617 }
 618
 619 static void cvg_add(struct cvg *dst, const struct cvg *src)
 620 {
 621         GSList *l;
 622         char *linespec;
 623
 624         dst->num_lines += src->num_lines;
 625         dst->num_missed += src->num_missed;
 626         for (l = src->missed_lines; l; l = l->next) {
 627                 linespec = l->data;
 628                 if (!find_missed_line(dst, linespec))
 629                         dst->missed_lines = g_slist_append(dst->missed_lines, linespec);
 630         }
 631
 632 }
 633
 634 static int report_coverage(PyObject *py_cov, GSList *pdlist)
 635 {
 636         PyObject *py_func, *py_mod, *py_args, *py_kwargs, *py_outfile, *py_pct;
 637         GSList *l, *ml;
 638         struct pd *pd;
 639         struct cvg *cvg_mod, *cvg_all;
 640         float total_coverage;
 641         int lines, missed, cnt;
 642
 643         DBG("Making coverage report.");
 644
 645         /* Get coverage for each module in the stack. */
 646         lines = missed = 0;
 647         cvg_all = cvg_new();
 648         for (cnt = 0, l = pdlist; l; l = l->next, cnt++) {
 649                 pd = l->data;
 650                 if (!(cvg_mod = get_mod_cov(py_cov, pd->name)))
 651                         return FALSE;
 652                 printf("coverage: scope=%s coverage=%.0f%% lines=%d missed=%d "
 653                                 "missed_lines=", pd->name, cvg_mod->coverage,
 654                                 cvg_mod->num_lines, cvg_mod->num_missed);
 655                 for (ml = cvg_mod->missed_lines; ml; ml = ml->next) {
 656                         if (ml != cvg_mod->missed_lines)
 657                                 printf(",");
 658                         printf("%s", (char *)ml->data);
 659                 }
 660                 printf("\n");
 661                 lines += cvg_mod->num_lines;
 662                 missed += cvg_mod->num_missed;
 663                 cvg_add(cvg_all, cvg_mod);
 664                 DBG("Coverage for module %s: %d lines, %d missed", pd->name,
 665                                 cvg_mod->num_lines, cvg_mod->num_missed);
 666         }
 667         lines /= cnt;
 668         missed /= cnt;
 669         total_coverage = 100 - ((float)missed / (float)lines * 100);
 670
 671         /* Machine-readable stats on stdout. */
 672         printf("coverage: scope=all coverage=%.0f%% lines=%d missed=%d\n",
 673                         total_coverage, cvg_all->num_lines, cvg_all->num_missed);
 674
 675         /* Write text report to file. */
 676         /* io.open(coverage_report, "w") */
 677         if (!(py_mod = PyImport_ImportModule("io")))
 678                 return FALSE;
 679         if (!(py_func = PyObject_GetAttrString(py_mod, "open")))
 680                 return FALSE;
 681         if (!(py_args = PyTuple_New(0)))
 682                 return FALSE;
 683         if (!(py_kwargs = Py_BuildValue("{ssss}", "file", coverage_report,
 684                         "mode", "w")))
 685                 return FALSE;
 686         if (!(py_outfile = PyObject_Call(py_func, py_args, py_kwargs)))
 687                 return FALSE;
 688         Py_DecRef(py_kwargs);
 689         Py_DecRef(py_func);
 690
 691         /* py_cov.report(file=py_outfile) */
 692         if (!(py_func = PyObject_GetAttrString(py_cov, "report")))
 693                 return FALSE;
 694         if (!(py_kwargs = Py_BuildValue("{sO}", "file", py_outfile)))
 695                 return FALSE;
 696         if (!(py_pct = PyObject_Call(py_func, py_args, py_kwargs)))
 697                 return FALSE;
 698         Py_DecRef(py_pct);
 699         Py_DecRef(py_kwargs);
 700         Py_DecRef(py_func);
 701
 702         /* py_outfile.close() */
 703         if (!(py_func = PyObject_GetAttrString(py_outfile, "close")))
 704                 return FALSE;
 705         if (!PyObject_Call(py_func, py_args, NULL))
 706                 return FALSE;
 707         Py_DecRef(py_outfile);
 708         Py_DecRef(py_func);
 709         Py_DecRef(py_args);
 710         Py_DecRef(py_mod);
 711
 712         return TRUE;
 713 }
 714
 715 int main(int argc, char **argv)
 716 {
 717         PyObject *coverage;
 718         GSList *pdlist;
 719         struct pd *pd;
 720         struct channel *channel;
 721         struct option *option;
 722         struct output *op;
 723         int ret, c;
 724         char *opt_infile, **kv, **opstr;
 725
 726         op = malloc(sizeof(struct output));
 727         op->pd = NULL;
 728         op->type = -1;
 729         op->class = NULL;
 730         op->class_idx = -1;
 731         op->outfd = 1;
 732
 733         pdlist = NULL;
 734         opt_infile = NULL;
 735         pd = NULL;
 736         coverage = NULL;
 737         while ((c = getopt(argc, argv, "dP:p:o:i:O:f:c:S")) != -1) {
 738                 switch (c) {
 739                 case 'd':
 740                         debug = TRUE;
 741                         break;
 742                 case 'P':
 743                         pd = g_malloc(sizeof(struct pd));
 744                         pd->name = g_strdup(optarg);
 745                         pd->channels = pd->options = NULL;
 746                         pdlist = g_slist_append(pdlist, pd);
 747                         break;
 748                 case 'p':
 749                 case 'o':
 750                         if (g_slist_length(pdlist) == 0) {
 751                                 /* No previous -P. */
 752                                 ERR("Syntax error at '%s'", optarg);
 753                                 usage(NULL);
 754                         }
 755                         kv = g_strsplit(optarg, "=", 0);
 756                         if (!kv[0] || (!kv[1] || kv[2])) {
 757                                 /* Need x=y. */
 758                                 ERR("Syntax error at '%s'", optarg);
 759                                 g_strfreev(kv);
 760                                 usage(NULL);
 761                         }
 762                         if (c == 'p') {
 763                                 channel = malloc(sizeof(struct channel));
 764                                 channel->name = g_strdup(kv[0]);
 765                                 channel->channel = strtoul(kv[1], 0, 10);
 766                                 /* Apply to last PD. */
 767                                 pd->channels = g_slist_append(pd->channels, channel);
 768                         } else {
 769                                 option = malloc(sizeof(struct option));
 770                                 option->key = g_strdup(kv[0]);
 771                                 option->value = g_variant_new_string(kv[1]);
 772                 g_variant_ref_sink(option->value);
 773                                 /* Apply to last PD. */
 774                                 pd->options = g_slist_append(pd->options, option);
 775                         }
 776                         break;
 777                 case 'i':
 778                         opt_infile = optarg;
 779                         break;
 780                 case 'O':
 781                         opstr = g_strsplit(optarg, ":", 0);
 782                         if (!opstr[0] || !opstr[1]) {
 783                                 /* Need at least abc:def. */
 784                                 ERR("Syntax error at '%s'", optarg);
 785                                 g_strfreev(opstr);
 786                                 usage(NULL);
 787                         }
 788                         op->pd = g_strdup(opstr[0]);
 789                         if (!strcmp(opstr[1], "annotation"))
 790                                 op->type = SRD_OUTPUT_ANN;
 791                         else if (!strcmp(opstr[1], "binary"))
 792                                 op->type = SRD_OUTPUT_BINARY;
 793                         else if (!strcmp(opstr[1], "python"))
 794                                 op->type = SRD_OUTPUT_PYTHON;
 795                         else if (!strcmp(opstr[1], "exception"))
 796                                 /* Doesn't matter, we just need it to bomb out. */
 797                                 op->type = SRD_OUTPUT_PYTHON;
 798                         else {
 799                                 ERR("Unknown output type '%s'", opstr[1]);
 800                                 g_strfreev(opstr);
 801                                 usage(NULL);
 802                         }
 803                         if (opstr[2])
 804                                 op->class = g_strdup(opstr[2]);
 805                         g_strfreev(opstr);
 806                         break;
 807                 case 'f':
 808                         op->outfile = g_strdup(optarg);
 809                         op->outfd = -1;
 810                         break;
 811                 case 'c':
 812                         coverage_report = optarg;
 813                         break;
 814                 case 'S':
 815                         statistics = TRUE;
 816                         break;
 817                 default:
 818                         usage(NULL);
 819                 }
 820         }
 821         if (argc > optind)
 822                 usage(NULL);
 823         if (g_slist_length(pdlist) == 0)
 824                 usage(NULL);
 825         if (!opt_infile)
 826                 usage(NULL);
 827         if (!op->pd || op->type == -1)
 828                 usage(NULL);
 829
 830         sr_log_callback_set(sr_log, NULL);
 831         if (sr_init(&ctx) != SR_OK)
 832                 return 1;
 833
 834         srd_log_callback_set(srd_log, NULL);
 835         if (srd_init(DECODERS_DIR) != SRD_OK)
 836                 return 1;
 837
 838         if (coverage_report) {
 839                 if (!(coverage = start_coverage(pdlist))) {
 840                         DBG("Failed to start coverage.");
 841                         if (PyErr_Occurred()) {
 842                                 PyErr_PrintEx(0);
 843                                 PyErr_Clear();
 844                         }
 845                 }
 846         }
 847
 848         ret = 0;
 849         if (!run_testcase(opt_infile, pdlist, op))
 850                 ret = 1;
 851
 852         if (coverage) {
 853                 DBG("Stopping coverage.");
 854
 855                 if (!(PyObject_CallMethod(coverage, "stop", NULL)))
 856                         ERR("Failed to stop coverage.");
 857                 else if (!(report_coverage(coverage, pdlist)))
 858                         ERR("Failed to make coverage report.");
 859                 else
 860                         DBG("Coverage report in %s", coverage_report);
 861
 862                 if (PyErr_Occurred()) {
 863                         PyErr_PrintEx(0);
 864                         PyErr_Clear();
 865                 }
 866                 Py_DecRef(coverage);
 867         }
 868
 869         srd_exit();
 870         sr_exit(ctx);
 871
 872         return ret;
 873 }