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, logic->unitsize);
 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
 349         if (op->outfile) {
 350                 if ((op->outfd = open(op->outfile, O_CREAT|O_WRONLY, 0600)) == -1) {
 351                         ERR("Unable to open %s for writing: %s", op->outfile,
 352                                         strerror(errno));
 353                         return FALSE;
 354                 }
 355         }
 356
 357         if (sr_session_load(ctx, infile, &sr_sess) != SR_OK)
 358                 return FALSE;
 359
 360         sr_session_dev_list(sr_sess, &devices);
 361
 362         if (srd_session_new(&sess) != SRD_OK)
 363                 return FALSE;
 364         sr_session_datafeed_callback_add(sr_sess, sr_cb, sess);
 365         switch (op->type) {
 366         case SRD_OUTPUT_ANN:
 367                 cb = srd_cb_ann;
 368                 break;
 369         case SRD_OUTPUT_BINARY:
 370                 cb = srd_cb_bin;
 371                 break;
 372         case SRD_OUTPUT_PYTHON:
 373                 cb = srd_cb_py;
 374                 break;
 375         default:
 376                 return FALSE;
 377         }
 378         srd_pd_output_callback_add(sess, op->type, cb, op);
 379
 380         prev_di = NULL;
 381         pd = NULL;
 382         for (pdl = pdlist; pdl; pdl = pdl->next) {
 383                 pd = pdl->data;
 384                 if (srd_decoder_load(pd->name) != SRD_OK)
 385                         return FALSE;
 386
 387                 /* Instantiate decoder and pass in options. */
 388                 opts = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
 389                                 (GDestroyNotify)g_variant_unref);
 390                 for (l = pd->options; l; l = l->next) {
 391                         option = l->data;
 392
 393                         is_number = TRUE;
 394                         s = g_variant_get_string(option->value, NULL);
 395                         for (i = 0; i < (int)strlen(s); i++) {
 396                                 if (!isdigit(s[i]))
 397                                         is_number = FALSE;
 398                         }
 399
 400                         if (is_number) {
 401                                 /* Integer option value */
 402                                 g_hash_table_insert(opts, option->key,
 403                                   g_variant_new_int64(strtoull(s, NULL, 10)));
 404                         } else {
 405                                 /* String option value */
 406                                 g_hash_table_insert(opts, option->key, option->value);
 407                         }
 408                 }
 409                 if (!(di = srd_inst_new(sess, pd->name, opts)))
 410                         return FALSE;
 411                 g_hash_table_destroy(opts);
 412
 413                 /* Map channels. */
 414                 if (pd->channels) {
 415                         channels = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
 416                                         (GDestroyNotify)g_variant_unref);
 417                         max_channel = 0;
 418                         for (l = pd->channels; l; l = l->next) {
 419                                 channel = l->data;
 420                                 if (channel->channel > max_channel)
 421                                         max_channel = channel->channel;
 422                                 gvar = g_variant_new_int32(channel->channel);
 423                                 g_variant_ref_sink(gvar);
 424                                 g_hash_table_insert(channels, channel->name, gvar);
 425                         }
 426
 427                         if (srd_inst_channel_set_all(di, channels) != SRD_OK)
 428                                 return FALSE;
 429                         g_hash_table_destroy(channels);
 430                 }
 431
 432                 /*
 433                  * If this is not the first decoder in the list, stack it
 434                  * on top of the previous one.
 435                  */
 436                 if (prev_di) {
 437                         if (srd_inst_stack(sess, prev_di, di) != SRD_OK) {
 438                                 ERR("Failed to stack decoder instances.");
 439                                 return FALSE;
 440                         }
 441                 }
 442                 prev_di = di;
 443         }
 444
 445         /* Resolve top decoder's class index, so we can match. */
 446         dec = srd_decoder_get_by_id(pd->name);
 447         if (op->class) {
 448                 if (op->type == SRD_OUTPUT_ANN)
 449                         l = dec->annotations;
 450                 else if (op->type == SRD_OUTPUT_BINARY)
 451                         l = dec->binary;
 452                 else
 453                         /* Only annotations and binary can have a class. */
 454                         return FALSE;
 455                 idx = 0;
 456                 while (l) {
 457                         decoder_class = l->data;
 458                         if (!strcmp(decoder_class[0], op->class)) {
 459                                 op->class_idx = idx;
 460                                 break;
 461                         } else
 462                                 idx++;
 463                         l = l->next;
 464                 }
 465                 if (op->class_idx == -1) {
 466                         ERR("Output class '%s' not found in decoder %s.",
 467                                         op->class, pd->name);
 468                         return FALSE;
 469                 } else
 470                         DBG("Class %s index is %d", op->class, op->class_idx);
 471         }
 472
 473         sr_session_start(sr_sess);
 474         sr_session_run(sr_sess);
 475         sr_session_stop(sr_sess);
 476
 477         srd_session_destroy(sess);
 478
 479         if (op->outfile)
 480                 close(op->outfd);
 481
 482         return TRUE;
 483 }
 484
 485 static PyObject *start_coverage(GSList *pdlist)
 486 {
 487         PyObject *py_mod, *py_pdlist, *py_pd, *py_func, *py_args, *py_kwargs, *py_cov;
 488         GSList *l;
 489         struct pd *pd;
 490
 491         DBG("Starting coverage.");
 492
 493         if (!(py_mod = PyImport_ImportModule("coverage")))
 494                 return NULL;
 495
 496         if (!(py_pdlist = PyList_New(0)))
 497                 return NULL;
 498         for (l = pdlist; l; l = l->next) {
 499                 pd = l->data;
 500                 py_pd = PyUnicode_FromFormat("*/%s/*.py", pd->name);
 501                 if (PyList_Append(py_pdlist, py_pd) < 0)
 502                         return NULL;
 503                 Py_DecRef(py_pd);
 504         }
 505         if (!(py_func = PyObject_GetAttrString(py_mod, "coverage")))
 506                 return NULL;
 507         if (!(py_args = PyTuple_New(0)))
 508                 return NULL;
 509         if (!(py_kwargs = Py_BuildValue("{sO}", "include", py_pdlist)))
 510                 return NULL;
 511         if (!(py_cov = PyObject_Call(py_func, py_args, py_kwargs)))
 512                 return NULL;
 513         if (!(PyObject_CallMethod(py_cov, "start", NULL)))
 514                 return NULL;
 515         Py_DecRef(py_pdlist);
 516         Py_DecRef(py_args);
 517         Py_DecRef(py_kwargs);
 518         Py_DecRef(py_func);
 519
 520         return py_cov;
 521 }
 522
 523 static struct cvg *get_mod_cov(PyObject *py_cov, const char *module_name)
 524 {
 525         PyObject *py_mod, *py_pathlist, *py_path, *py_func, *py_pd;
 526         PyObject *py_result, *py_missed, *py_item;
 527         DIR *d;
 528         struct dirent *de;
 529         struct cvg *cvg_mod;
 530         int num_lines, num_missed, linenum, i, j;
 531         char *path, *linespec;
 532
 533         if (!(py_mod = PyImport_ImportModule(module_name)))
 534                 return NULL;
 535
 536         cvg_mod = NULL;
 537         py_pathlist = PyObject_GetAttrString(py_mod, "__path__");
 538         for (i = 0; i < PyList_Size(py_pathlist); i++) {
 539                 py_path = PyList_GetItem(py_pathlist, i);
 540                 PyUnicode_FSConverter(PyList_GetItem(py_pathlist, i), &py_path);
 541                 path = PyBytes_AS_STRING(py_path);
 542                 if (!(d = opendir(path))) {
 543                         ERR("Invalid module path '%s'", path);
 544                         return NULL;
 545                 }
 546                 while ((de = readdir(d))) {
 547                         if (strncmp(de->d_name + strlen(de->d_name) - 3, ".py", 3))
 548                                 continue;
 549
 550                         if (!(py_func = PyObject_GetAttrString(py_cov, "analysis2")))
 551                                 return NULL;
 552                         if (!(py_pd = PyUnicode_FromFormat("%s/%s", path, de->d_name)))
 553                                 return NULL;
 554                         if (!(py_result = PyObject_CallFunction(py_func, "O", py_pd)))
 555                                 return NULL;
 556                         Py_DecRef(py_pd);
 557                         Py_DecRef(py_func);
 558
 559                         if (!cvg_mod)
 560                                 cvg_mod = cvg_new();
 561                         if (PyTuple_Size(py_result) != 5) {
 562                                 ERR("Invalid result from coverage of '%s/%s'", path, de->d_name);
 563                                 return NULL;
 564                         }
 565                         num_lines = PyList_Size(PyTuple_GetItem(py_result, 1));
 566                         py_missed = PyTuple_GetItem(py_result, 3);
 567                         num_missed = PyList_Size(py_missed);
 568                         cvg_mod->num_lines += num_lines;
 569                         cvg_mod->num_missed += num_missed;
 570                         for (j = 0; j < num_missed; j++) {
 571                                 py_item = PyList_GetItem(py_missed, j);
 572                                 linenum = PyLong_AsLong(py_item);
 573                                 linespec = g_strdup_printf("%s/%s:%d", module_name,
 574                                                 de->d_name, linenum);
 575                                 cvg_mod->missed_lines = g_slist_append(cvg_mod->missed_lines, linespec);
 576                         }
 577                         DBG("Coverage for %s/%s: %d lines, %d missed.",
 578                                         module_name, de->d_name, num_lines, num_missed);
 579                         Py_DecRef(py_result);
 580                 }
 581         }
 582         if (cvg_mod->num_lines)
 583                 cvg_mod->coverage = 100 - ((float)cvg_mod->num_missed / (float)cvg_mod->num_lines * 100);
 584
 585         Py_DecRef(py_mod);
 586         Py_DecRef(py_path);
 587
 588         return cvg_mod;
 589 }
 590
 591 static struct cvg *cvg_new(void)
 592 {
 593         struct cvg *cvg;
 594
 595         cvg = calloc(1, sizeof(struct cvg));
 596
 597         return cvg;
 598 }
 599
 600 static gboolean find_missed_line(struct cvg *cvg, const char *linespec)
 601 {
 602         GSList *l;
 603
 604         for (l = cvg->missed_lines; l; l = l->next)
 605                 if (!strcmp(l->data, linespec))
 606                         return TRUE;
 607
 608         return FALSE;
 609 }
 610
 611 static void cvg_add(struct cvg *dst, const struct cvg *src)
 612 {
 613         GSList *l;
 614         char *linespec;
 615
 616         dst->num_lines += src->num_lines;
 617         dst->num_missed += src->num_missed;
 618         for (l = src->missed_lines; l; l = l->next) {
 619                 linespec = l->data;
 620                 if (!find_missed_line(dst, linespec))
 621                         dst->missed_lines = g_slist_append(dst->missed_lines, linespec);
 622         }
 623
 624 }
 625
 626 static int report_coverage(PyObject *py_cov, GSList *pdlist)
 627 {
 628         PyObject *py_func, *py_mod, *py_args, *py_kwargs, *py_outfile, *py_pct;
 629         GSList *l, *ml;
 630         struct pd *pd;
 631         struct cvg *cvg_mod, *cvg_all;
 632         float total_coverage;
 633         int lines, missed, cnt;
 634
 635         DBG("Making coverage report.");
 636
 637         /* Get coverage for each module in the stack. */
 638         lines = missed = 0;
 639         cvg_all = cvg_new();
 640         for (cnt = 0, l = pdlist; l; l = l->next, cnt++) {
 641                 pd = l->data;
 642                 if (!(cvg_mod = get_mod_cov(py_cov, pd->name)))
 643                         return FALSE;
 644                 printf("coverage: scope=%s coverage=%.0f%% lines=%d missed=%d "
 645                                 "missed_lines=", pd->name, cvg_mod->coverage,
 646                                 cvg_mod->num_lines, cvg_mod->num_missed);
 647                 for (ml = cvg_mod->missed_lines; ml; ml = ml->next) {
 648                         if (ml != cvg_mod->missed_lines)
 649                                 printf(",");
 650                         printf("%s", (char *)ml->data);
 651                 }
 652                 printf("\n");
 653                 lines += cvg_mod->num_lines;
 654                 missed += cvg_mod->num_missed;
 655                 cvg_add(cvg_all, cvg_mod);
 656                 DBG("Coverage for module %s: %d lines, %d missed", pd->name,
 657                                 cvg_mod->num_lines, cvg_mod->num_missed);
 658         }
 659         lines /= cnt;
 660         missed /= cnt;
 661         total_coverage = 100 - ((float)missed / (float)lines * 100);
 662
 663         /* Machine-readable stats on stdout. */
 664         printf("coverage: scope=all coverage=%.0f%% lines=%d missed=%d\n",
 665                         total_coverage, cvg_all->num_lines, cvg_all->num_missed);
 666
 667         /* Write text report to file. */
 668         /* io.open(coverage_report, "w") */
 669         if (!(py_mod = PyImport_ImportModule("io")))
 670                 return FALSE;
 671         if (!(py_func = PyObject_GetAttrString(py_mod, "open")))
 672                 return FALSE;
 673         if (!(py_args = PyTuple_New(0)))
 674                 return FALSE;
 675         if (!(py_kwargs = Py_BuildValue("{ssss}", "file", coverage_report,
 676                         "mode", "w")))
 677                 return FALSE;
 678         if (!(py_outfile = PyObject_Call(py_func, py_args, py_kwargs)))
 679                 return FALSE;
 680         Py_DecRef(py_kwargs);
 681         Py_DecRef(py_func);
 682
 683         /* py_cov.report(file=py_outfile) */
 684         if (!(py_func = PyObject_GetAttrString(py_cov, "report")))
 685                 return FALSE;
 686         if (!(py_kwargs = Py_BuildValue("{sO}", "file", py_outfile)))
 687                 return FALSE;
 688         if (!(py_pct = PyObject_Call(py_func, py_args, py_kwargs)))
 689                 return FALSE;
 690         Py_DecRef(py_pct);
 691         Py_DecRef(py_kwargs);
 692         Py_DecRef(py_func);
 693
 694         /* py_outfile.close() */
 695         if (!(py_func = PyObject_GetAttrString(py_outfile, "close")))
 696                 return FALSE;
 697         if (!PyObject_Call(py_func, py_args, NULL))
 698                 return FALSE;
 699         Py_DecRef(py_outfile);
 700         Py_DecRef(py_func);
 701         Py_DecRef(py_args);
 702         Py_DecRef(py_mod);
 703
 704         return TRUE;
 705 }
 706
 707 int main(int argc, char **argv)
 708 {
 709         PyObject *coverage;
 710         GSList *pdlist;
 711         struct pd *pd;
 712         struct channel *channel;
 713         struct option *option;
 714         struct output *op;
 715         int ret, c;
 716         char *opt_infile, **kv, **opstr;
 717
 718         op = malloc(sizeof(struct output));
 719         op->pd = NULL;
 720         op->type = -1;
 721         op->class = NULL;
 722         op->class_idx = -1;
 723         op->outfd = 1;
 724
 725         pdlist = NULL;
 726         opt_infile = NULL;
 727         pd = NULL;
 728         coverage = NULL;
 729         while ((c = getopt(argc, argv, "dP:p:o:i:O:f:c:S")) != -1) {
 730                 switch (c) {
 731                 case 'd':
 732                         debug = TRUE;
 733                         break;
 734                 case 'P':
 735                         pd = g_malloc(sizeof(struct pd));
 736                         pd->name = g_strdup(optarg);
 737                         pd->channels = pd->options = NULL;
 738                         pdlist = g_slist_append(pdlist, pd);
 739                         break;
 740                 case 'p':
 741                 case 'o':
 742                         if (g_slist_length(pdlist) == 0) {
 743                                 /* No previous -P. */
 744                                 ERR("Syntax error at '%s'", optarg);
 745                                 usage(NULL);
 746                         }
 747                         kv = g_strsplit(optarg, "=", 0);
 748                         if (!kv[0] || (!kv[1] || kv[2])) {
 749                                 /* Need x=y. */
 750                                 ERR("Syntax error at '%s'", optarg);
 751                                 g_strfreev(kv);
 752                                 usage(NULL);
 753                         }
 754                         if (c == 'p') {
 755                                 channel = malloc(sizeof(struct channel));
 756                                 channel->name = g_strdup(kv[0]);
 757                                 channel->channel = strtoul(kv[1], 0, 10);
 758                                 /* Apply to last PD. */
 759                                 pd->channels = g_slist_append(pd->channels, channel);
 760                         } else {
 761                                 option = malloc(sizeof(struct option));
 762                                 option->key = g_strdup(kv[0]);
 763                                 option->value = g_variant_new_string(kv[1]);
 764                 g_variant_ref_sink(option->value);
 765                                 /* Apply to last PD. */
 766                                 pd->options = g_slist_append(pd->options, option);
 767                         }
 768                         break;
 769                 case 'i':
 770                         opt_infile = optarg;
 771                         break;
 772                 case 'O':
 773                         opstr = g_strsplit(optarg, ":", 0);
 774                         if (!opstr[0] || !opstr[1]) {
 775                                 /* Need at least abc:def. */
 776                                 ERR("Syntax error at '%s'", optarg);
 777                                 g_strfreev(opstr);
 778                                 usage(NULL);
 779                         }
 780                         op->pd = g_strdup(opstr[0]);
 781                         if (!strcmp(opstr[1], "annotation"))
 782                                 op->type = SRD_OUTPUT_ANN;
 783                         else if (!strcmp(opstr[1], "binary"))
 784                                 op->type = SRD_OUTPUT_BINARY;
 785                         else if (!strcmp(opstr[1], "python"))
 786                                 op->type = SRD_OUTPUT_PYTHON;
 787                         else if (!strcmp(opstr[1], "exception"))
 788                                 /* Doesn't matter, we just need it to bomb out. */
 789                                 op->type = SRD_OUTPUT_PYTHON;
 790                         else {
 791                                 ERR("Unknown output type '%s'", opstr[1]);
 792                                 g_strfreev(opstr);
 793                                 usage(NULL);
 794                         }
 795                         if (opstr[2])
 796                                 op->class = g_strdup(opstr[2]);
 797                         g_strfreev(opstr);
 798                         break;
 799                 case 'f':
 800                         op->outfile = g_strdup(optarg);
 801                         op->outfd = -1;
 802                         break;
 803                 case 'c':
 804                         coverage_report = optarg;
 805                         break;
 806                 case 'S':
 807                         statistics = TRUE;
 808                         break;
 809                 default:
 810                         usage(NULL);
 811                 }
 812         }
 813         if (argc > optind)
 814                 usage(NULL);
 815         if (g_slist_length(pdlist) == 0)
 816                 usage(NULL);
 817         if (!opt_infile)
 818                 usage(NULL);
 819         if (!op->pd || op->type == -1)
 820                 usage(NULL);
 821
 822         sr_log_callback_set(sr_log, NULL);
 823         if (sr_init(&ctx) != SR_OK)
 824                 return 1;
 825
 826         srd_log_callback_set(srd_log, NULL);
 827         if (srd_init(DECODERS_DIR) != SRD_OK)
 828                 return 1;
 829
 830         if (coverage_report) {
 831                 if (!(coverage = start_coverage(pdlist))) {
 832                         DBG("Failed to start coverage.");
 833                         if (PyErr_Occurred()) {
 834                                 PyErr_PrintEx(0);
 835                                 PyErr_Clear();
 836                         }
 837                 }
 838         }
 839
 840         ret = 0;
 841         if (!run_testcase(opt_infile, pdlist, op))
 842                 ret = 1;
 843
 844         if (coverage) {
 845                 DBG("Stopping coverage.");
 846
 847                 if (!(PyObject_CallMethod(coverage, "stop", NULL)))
 848                         ERR("Failed to stop coverage.");
 849                 else if (!(report_coverage(coverage, pdlist)))
 850                         ERR("Failed to make coverage report.");
 851                 else
 852                         DBG("Coverage report in %s", coverage_report);
 853
 854                 if (PyErr_Occurred()) {
 855                         PyErr_PrintEx(0);
 856                         PyErr_Clear();
 857                 }
 858                 Py_DecRef(coverage);
 859         }
 860
 861         srd_exit();
 862         sr_exit(ctx);
 863
 864         return ret;
 865 }