tests/runtc.c

   1 /*
   2  * This file is part of the libsigrokdecode 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 "../libsigrokdecode.h"
  21 #include <libsigrok/libsigrok.h>
  22 #include <stdlib.h>
  23 #include <stdio.h>
  24 #include <stdarg.h>
  25 #include <unistd.h>
  26 #include <errno.h>
  27 #include <sys/types.h>
  28 #include <sys/stat.h>
  29 #include <fcntl.h>
  30 #include <time.h>
  31 #include <sys/time.h>
  32 #include <sys/resource.h>
  33 #include <glib.h>
  34 #ifdef __LINUX__
  35 #include <sched.h>
  36 #endif
  37 #include "../config.h"
  38
  39
  40 int debug = FALSE;
  41 int statistics = FALSE;
  42
  43 struct probe {
  44         char *name;
  45         int probe;
  46 };
  47
  48 struct option {
  49         char *key;
  50         char *value;
  51 };
  52
  53 struct pd {
  54         char *name;
  55         GSList *probes;
  56         GSList *options;
  57 };
  58
  59 struct output {
  60         char *pd;
  61         int type;
  62         char *class;
  63         int class_idx;
  64         char *outfile;
  65         int outfd;
  66 };
  67
  68
  69 void logmsg(char *prefix, FILE *out, const char *format, va_list args)
  70 {
  71         if (prefix)
  72                 fprintf(out, "%s", prefix);
  73         vfprintf(out, format, args);
  74         fprintf(out, "\n");
  75 }
  76
  77 void DBG(const char *format, ...)
  78 {
  79         va_list args;
  80
  81         if (!debug)
  82                 return;
  83         va_start(args, format);
  84         logmsg("DBG: ", stdout, format, args);
  85         va_end(args);
  86 }
  87
  88 void ERR(const char *format, ...)
  89 {
  90         va_list args;
  91
  92         va_start(args, format);
  93         logmsg("Error: ", stderr, format, args);
  94         va_end(args);
  95 }
  96
  97 int sr_log(void *cb_data, int loglevel, const char *format, va_list args)
  98 {
  99         (void)cb_data;
 100
 101         if (loglevel == SR_LOG_ERR || loglevel == SR_LOG_WARN)
 102                 logmsg("Error: sr: ", stderr, format, args);
 103         else if (debug)
 104                 logmsg("DBG: sr: ", stdout, format, args);
 105
 106         return SRD_OK;
 107 }
 108
 109 int srd_log(void *cb_data, int loglevel, const char *format, va_list args)
 110 {
 111         (void)cb_data;
 112
 113         if (loglevel == SRD_LOG_ERR || loglevel == SRD_LOG_WARN)
 114                 logmsg("Error: srd: ", stderr, format, args);
 115         else if (debug)
 116                 logmsg("DBG: srd: ", stdout, format, args);
 117
 118         return SRD_OK;
 119 }
 120
 121 void usage(char *msg)
 122 {
 123         if (msg)
 124                 fprintf(stderr, "%s\n", msg);
 125
 126         //while((c = getopt(argc, argv, "dP:p:o:i:O:f:S")) != -1) {
 127         printf("Usage: runtc [-dPpoiOf]\n");
 128         printf("  -d  Debug\n");
 129         printf("  -P  <protocol decoder>\n");
 130         printf("  -p  <probename=probenum> (optional)\n");
 131         printf("  -o  <probeoption=value> (optional)\n");
 132         printf("  -i <input file>\n");
 133         printf("  -O <output-pd:output-type[:output-class]>\n");
 134         printf("  -f <output file> (optional)\n");
 135         exit(msg ? 1 : 0);
 136
 137 }
 138
 139 static void srd_cb_bin(struct srd_proto_data *pdata, void *cb_data)
 140 {
 141         struct srd_proto_data_binary *pdb;
 142         struct output *op;
 143
 144         op = cb_data;
 145         if (op->type != SRD_OUTPUT_BINARY)
 146                 return;
 147
 148         DBG("Binary output from %s", pdata->pdo->di->inst_id);
 149         pdb = pdata->data;
 150
 151         if (strcmp(pdata->pdo->di->inst_id, op->pd))
 152                 /* This is not the PD selected for output. */
 153                 return;
 154
 155         if (op->class_idx != -1 && op->class_idx != pdb->bin_class)
 156                 /*
 157                  * This output takes a specific binary class,
 158                  * but not the one that just came in.
 159                  */
 160                 return;
 161
 162         if (write(op->outfd, pdb->data, pdb->size) == -1)
 163                 ERR("Oops!");
 164
 165 }
 166
 167 static void srd_cb_ann(struct srd_proto_data *pdata, void *cb_data)
 168 {
 169         struct srd_decoder *dec;
 170         struct srd_proto_data_annotation *pda;
 171         struct output *op;
 172         GString *line;
 173         int i;
 174         char **dec_ann;
 175
 176         op = cb_data;
 177         if (op->type != SRD_OUTPUT_ANN)
 178                 return;
 179
 180         DBG("Annotation output from %s", pdata->pdo->di->inst_id);
 181         pda = pdata->data;
 182         dec = pdata->pdo->di->decoder;
 183         if (strcmp(pdata->pdo->di->inst_id, op->pd))
 184                 /* This is not the PD selected for output. */
 185                 return;
 186
 187         if (op->class_idx != -1 && op->class_idx != pda->ann_format)
 188                 /*
 189                  * This output takes a specific annotation class,
 190                  * but not the one that just came in.
 191                  */
 192                 return;
 193
 194         dec_ann = g_slist_nth_data(dec->annotations, pda->ann_format);
 195         line = g_string_sized_new(256);
 196         g_string_printf(line, "%"PRIu64"-%"PRIu64" %s: %s:",
 197                         pdata->start_sample, pdata->end_sample,
 198                         pdata->pdo->di->inst_id, dec_ann[0]);
 199         for (i = 0; pda->ann_text[i]; i++)
 200                 g_string_append_printf(line, " \"%s\"", pda->ann_text[i]);
 201         g_string_append(line, "\n");
 202         if (write(op->outfd, line->str, line->len) == -1)
 203                 ERR("Oops!");
 204         g_string_free(line, TRUE);
 205
 206 }
 207
 208 static void sr_cb(const struct sr_dev_inst *sdi,
 209                 const struct sr_datafeed_packet *packet, void *cb_data)
 210 {
 211         const struct sr_datafeed_logic *logic;
 212         struct srd_session *sess;
 213         GVariant *gvar;
 214         uint64_t samplerate;
 215         int num_samples;
 216         static int samplecnt = 0;
 217
 218         sess = cb_data;
 219
 220         switch (packet->type) {
 221         case SR_DF_HEADER:
 222                 DBG("Received SR_DF_HEADER");
 223                 if (sr_config_get(sdi->driver, sdi, NULL, SR_CONF_SAMPLERATE,
 224                                 &gvar) != SR_OK) {
 225                         ERR("Getting samplerate failed");
 226                         break;
 227                 }
 228                 samplerate = g_variant_get_uint64(gvar);
 229                 g_variant_unref(gvar);
 230                 if (srd_session_metadata_set(sess, SRD_CONF_SAMPLERATE,
 231                                 g_variant_new_uint64(samplerate)) != SRD_OK) {
 232                         ERR("Setting samplerate failed");
 233                         break;
 234                 }
 235                 if (srd_session_start(sess) != SRD_OK) {
 236                         ERR("Session start failed");
 237                         break;
 238                 }
 239                 break;
 240         case SR_DF_LOGIC:
 241                 logic = packet->payload;
 242                 num_samples = logic->length / logic->unitsize;
 243                 DBG("Received SR_DF_LOGIC: %d samples", num_samples);
 244                 srd_session_send(sess, samplecnt, samplecnt + num_samples,
 245                                 logic->data, logic->length);
 246                 samplecnt += logic->length / logic->unitsize;
 247                 break;
 248         case SR_DF_END:
 249                 DBG("Received SR_DF_END");
 250                 break;
 251         }
 252
 253 }
 254
 255 int get_stats(int stats[2])
 256 {
 257         FILE *f;
 258         size_t len;
 259         int tmp;
 260         char *buf;
 261
 262         stats[0] = stats[1] = -1;
 263         if (!(f = fopen("/proc/self/status", "r")))
 264                 return FALSE;
 265         len = 128;
 266         buf = malloc(len);
 267         while (getline(&buf, &len, f) != -1) {
 268                 if (strcasestr(buf, "vmpeak:")) {
 269                         stats[0] = strtoul(buf + 10, NULL, 10);
 270                 } else if (strcasestr(buf, "vmsize:")) {
 271                         tmp = strtoul(buf + 10, NULL, 10);
 272                         if (tmp > stats[0])
 273                                 stats[0] = tmp;
 274                 } else if (strcasestr(buf, "vmhwm:")) {
 275                         stats[1] = strtoul(buf + 6, NULL, 10);
 276                 } else if (strcasestr(buf, "vmrss:")) {
 277                         tmp = strtoul(buf + 10, NULL, 10);
 278                         if (tmp > stats[0])
 279                                 stats[0] = tmp;
 280                 }
 281         }
 282         free(buf);
 283         fclose(f);
 284
 285         return TRUE;
 286 }
 287
 288 static int run_testcase(char *infile, GSList *pdlist, struct output *op)
 289 {
 290         struct srd_session *sess;
 291         struct srd_decoder *dec;
 292         struct srd_decoder_inst *di, *prev_di;
 293         struct pd *pd;
 294         struct probe *probe;
 295         struct option *option;
 296         GVariant *gvar;
 297         GHashTable *probes, *opts;
 298         GSList *pdl, *l;
 299         int idx;
 300         char **decoder_class;
 301
 302         if (op->outfile) {
 303                 if ((op->outfd = open(op->outfile, O_CREAT|O_WRONLY, 0600)) == -1) {
 304                         ERR("Unable to open %s for writing: %s", op->outfile,
 305                                         strerror(errno));
 306                         return FALSE;
 307                 }
 308         }
 309
 310         if (sr_session_load(infile) != SR_OK)
 311                 return FALSE;
 312
 313         if (srd_session_new(&sess) != SRD_OK)
 314                 return FALSE;
 315         sr_session_datafeed_callback_add(sr_cb, sess);
 316         srd_pd_output_callback_add(sess, SRD_OUTPUT_ANN, srd_cb_ann, op);
 317         srd_pd_output_callback_add(sess, SRD_OUTPUT_BINARY, srd_cb_bin, op);
 318
 319         prev_di = NULL;
 320         pd = NULL;
 321         for (pdl = pdlist; pdl; pdl = pdl->next) {
 322                 pd = pdl->data;
 323                 if (srd_decoder_load(pd->name) != SRD_OK)
 324                         return FALSE;
 325
 326                 /* Instantiate decoder and pass in options. */
 327                 opts = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
 328                                 (GDestroyNotify)g_variant_unref);
 329                 for (l = pd->options; l; l = l->next) {
 330                         option = l->data;
 331                         g_hash_table_insert(opts, option->key, option->value);
 332                 }
 333                 if (!(di = srd_inst_new(sess, pd->name, opts)))
 334                         return FALSE;
 335                 g_hash_table_destroy(opts);
 336
 337                 /* Map probes. */
 338                 if (pd->probes) {
 339                         probes = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
 340                                         (GDestroyNotify)g_variant_unref);
 341                         for (l = pd->probes; l; l = l->next) {
 342                                 probe = l->data;
 343                                 gvar = g_variant_new_int32(probe->probe);
 344                                 g_variant_ref_sink(gvar);
 345                                 g_hash_table_insert(probes, probe->name, gvar);
 346                         }
 347                         if (srd_inst_probe_set_all(di, probes) != SRD_OK)
 348                                 return FALSE;
 349                         g_hash_table_destroy(probes);
 350                 }
 351
 352
 353                 /* If this is not the first decoder in the list, stack it
 354                  * on top of the previous one. */
 355                 if (prev_di) {
 356                         if (srd_inst_stack(sess, prev_di, di) != SRD_OK) {
 357                                 ERR("Failed to stack decoder instances.");
 358                                 return FALSE;
 359                         }
 360                 }
 361                 prev_di = di;
 362         }
 363
 364         /* Resolve top decoder's class index, so we can match. */
 365         dec = srd_decoder_get_by_id(pd->name);
 366         if (op->class) {
 367                 if (op->type == SRD_OUTPUT_ANN)
 368                         l = dec->annotations;
 369                 else if (op->type == SRD_OUTPUT_BINARY)
 370                         l = dec->binary;
 371                 else
 372                         /* Only annotations and binary for now. */
 373                         return FALSE;
 374                 idx = 0;
 375                 while(l) {
 376                         decoder_class = l->data;
 377                         if (!strcmp(decoder_class[0], op->class)) {
 378                                 op->class_idx = idx;
 379                                 break;
 380                         } else
 381                                 idx++;
 382                         l = l->next;
 383                 }
 384                 if (op->class_idx == -1) {
 385                         ERR("Output class '%s' not found in decoder %s.",
 386                                         op->class, pd->name);
 387                         return FALSE;
 388                 } else
 389                         DBG("Class %s index is %d", op->class, op->class_idx);
 390         }
 391
 392         sr_session_start();
 393         sr_session_run();
 394         sr_session_stop();
 395
 396         srd_session_destroy(sess);
 397
 398         if (op->outfile)
 399                 close(op->outfd);
 400
 401         return TRUE;
 402 }
 403
 404 int main(int argc, char **argv)
 405 {
 406         struct sr_context *ctx;
 407         GSList *pdlist;
 408         struct pd *pd;
 409         struct probe *probe;
 410         struct option *option;
 411         struct output *op;
 412         int ret;
 413         char c, *opt_infile, **kv, **opstr;
 414
 415         op = malloc(sizeof(struct output));
 416         op->pd = NULL;
 417         op->type = -1;
 418         op->class = NULL;
 419         op->class_idx = -1;
 420         op->outfd = 1;
 421
 422         pdlist = NULL;
 423         opt_infile = NULL;
 424         pd = NULL;
 425         while((c = getopt(argc, argv, "dP:p:o:i:O:f:S")) != -1) {
 426                 switch(c) {
 427                 case 'd':
 428                         debug = TRUE;
 429                         break;
 430                 case 'P':
 431                         pd = g_malloc(sizeof(struct pd));
 432                         pd->name = g_strdup(optarg);
 433                         pd->probes = pd->options = NULL;
 434                         pdlist = g_slist_append(pdlist, pd);
 435                         break;
 436                 case 'p':
 437                 case 'o':
 438                         if (g_slist_length(pdlist) == 0) {
 439                                 /* No previous -P. */
 440                                 ERR("Syntax error at '%s'", optarg);
 441                                 usage(NULL);
 442                         }
 443                         kv = g_strsplit(optarg, "=", 0);
 444                         if (!kv[0] || (!kv[1] || kv[2])) {
 445                                 /* Need x=y. */
 446                                 ERR("Syntax error at '%s'", optarg);
 447                                 g_strfreev(kv);
 448                                 usage(NULL);
 449                         }
 450                         if (c == 'p') {
 451                                 probe = malloc(sizeof(struct probe));
 452                                 probe->name = g_strdup(kv[0]);
 453                                 probe->probe = strtoul(kv[1], 0, 10);
 454                                 /* Apply to last PD. */
 455                                 pd->probes = g_slist_append(pd->probes, probe);
 456                         } else {
 457                                 option = malloc(sizeof(struct option));
 458                                 option->key = g_strdup(kv[0]);
 459                                 option->value = g_strdup(kv[1]);
 460                                 /* Apply to last PD. */
 461                                 pd->options = g_slist_append(pd->options, option);
 462                         }
 463                         break;
 464                 case 'i':
 465                         opt_infile = optarg;
 466                         break;
 467                 case 'O':
 468                         opstr = g_strsplit(optarg, ":", 0);
 469                         if (!opstr[0] || !opstr[1]) {
 470                                 /* Need at least abc:def. */
 471                                 ERR("Syntax error at '%s'", optarg);
 472                                 g_strfreev(opstr);
 473                                 usage(NULL);
 474                         }
 475                         op->pd = g_strdup(opstr[0]);
 476                         if (!strcmp(opstr[1], "annotation"))
 477                                 op->type = SRD_OUTPUT_ANN;
 478                         else if (!strcmp(opstr[1], "binary"))
 479                                 op->type = SRD_OUTPUT_BINARY;
 480                         else if (!strcmp(opstr[1], "python"))
 481                                 op->type = SRD_OUTPUT_PYTHON;
 482                         else {
 483                                 ERR("Unknown output type '%s'", opstr[1]);
 484                                 g_strfreev(opstr);
 485                                 usage(NULL);
 486                         }
 487                         if (opstr[2])
 488                                 op->class = g_strdup(opstr[2]);
 489                         g_strfreev(opstr);
 490                         break;
 491                 case 'f':
 492                         op->outfile = g_strdup(optarg);
 493                         op->outfd = -1;
 494                         break;
 495                 case 'S':
 496                         statistics = TRUE;
 497                         break;
 498                 default:
 499                         usage(NULL);
 500                 }
 501         }
 502         if (argc > optind)
 503                 usage(NULL);
 504         if (g_slist_length(pdlist) == 0)
 505                 usage(NULL);
 506         if (!opt_infile)
 507                 usage(NULL);
 508         if (!op->pd || op->type == -1)
 509                 usage(NULL);
 510
 511         sr_log_callback_set(sr_log, NULL);
 512         if (sr_init(&ctx) != SR_OK)
 513                 return 1;
 514
 515         srd_log_callback_set(srd_log, NULL);
 516         if (srd_init(DECODERS_DIR) != SRD_OK)
 517                 return 1;
 518
 519         ret = 0;
 520         if (!run_testcase(opt_infile, pdlist, op))
 521                 ret = 1;
 522
 523         srd_exit();
 524         sr_exit(ctx);
 525
 526         return ret;
 527 }
 528
 529