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_ann(struct srd_proto_data *pdata, void *cb_data)
 140 {
 141         struct srd_decoder *dec;
 142         struct srd_proto_data_annotation *pda;
 143         struct output *op;
 144         GString *line;
 145         int i;
 146         char **dec_ann;
 147
 148         DBG("Annotation from %s", pdata->pdo->di->inst_id);
 149         op = cb_data;
 150         pda = pdata->data;
 151         dec = pdata->pdo->di->decoder;
 152
 153         if (strcmp(pdata->pdo->di->inst_id, op->pd))
 154                 /* This is not the PD selected for output. */
 155                 return;
 156
 157         if (op->class_idx != -1 && op->class_idx != pda->ann_format)
 158                 /* This output takes a specific annotation class,
 159                  * but not the one that just came in. */
 160                 return;
 161
 162         dec_ann = g_slist_nth_data(dec->annotations, pda->ann_format);
 163         line = g_string_sized_new(256);
 164         g_string_printf(line, "%"PRIu64"-%"PRIu64" %s: %s:",
 165                         pdata->start_sample, pdata->end_sample,
 166                         pdata->pdo->di->inst_id, dec_ann[0]);
 167         for (i = 0; pda->ann_text[i]; i++)
 168                 g_string_append_printf(line, " \"%s\"", pda->ann_text[i]);
 169         g_string_append(line, "\n");
 170         if (write(op->outfd, line->str, line->len) == -1)
 171                 ERR("Oops!");
 172         g_string_free(line, TRUE);
 173
 174 }
 175
 176 static void sr_cb(const struct sr_dev_inst *sdi,
 177                 const struct sr_datafeed_packet *packet, void *cb_data)
 178 {
 179         const struct sr_datafeed_logic *logic;
 180         struct srd_session *sess;
 181         GVariant *gvar;
 182         uint64_t samplerate;
 183         int num_samples;
 184         static int samplecnt = 0;
 185
 186         sess = cb_data;
 187
 188         switch (packet->type) {
 189         case SR_DF_HEADER:
 190                 DBG("Received SR_DF_HEADER");
 191                 if (sr_config_get(sdi->driver, sdi, NULL, SR_CONF_SAMPLERATE,
 192                                 &gvar) != SR_OK) {
 193                         ERR("Getting samplerate failed");
 194                         break;
 195                 }
 196                 samplerate = g_variant_get_uint64(gvar);
 197                 g_variant_unref(gvar);
 198                 if (srd_session_metadata_set(sess, SRD_CONF_SAMPLERATE,
 199                                 g_variant_new_uint64(samplerate)) != SRD_OK) {
 200                         ERR("Setting samplerate failed");
 201                         break;
 202                 }
 203                 if (srd_session_start(sess) != SRD_OK) {
 204                         ERR("Session start failed");
 205                         break;
 206                 }
 207                 break;
 208         case SR_DF_LOGIC:
 209                 logic = packet->payload;
 210                 num_samples = logic->length / logic->unitsize;
 211                 DBG("Received SR_DF_LOGIC: %d samples", num_samples);
 212                 srd_session_send(sess, samplecnt, samplecnt + num_samples,
 213                                 logic->data, logic->length);
 214                 samplecnt += logic->length / logic->unitsize;
 215                 break;
 216         case SR_DF_END:
 217                 DBG("Received SR_DF_END");
 218                 break;
 219         }
 220
 221 }
 222
 223 int get_stats(int stats[2])
 224 {
 225         FILE *f;
 226         size_t len;
 227         int tmp;
 228         char *buf;
 229
 230         stats[0] = stats[1] = -1;
 231         if (!(f = fopen("/proc/self/status", "r")))
 232                 return FALSE;
 233         len = 128;
 234         buf = malloc(len);
 235         while (getline(&buf, &len, f) != -1) {
 236                 if (strcasestr(buf, "vmpeak:")) {
 237                         stats[0] = strtoul(buf + 10, NULL, 10);
 238                 } else if (strcasestr(buf, "vmsize:")) {
 239                         tmp = strtoul(buf + 10, NULL, 10);
 240                         if (tmp > stats[0])
 241                                 stats[0] = tmp;
 242                 } else if (strcasestr(buf, "vmhwm:")) {
 243                         stats[1] = strtoul(buf + 6, NULL, 10);
 244                 } else if (strcasestr(buf, "vmrss:")) {
 245                         tmp = strtoul(buf + 10, NULL, 10);
 246                         if (tmp > stats[0])
 247                                 stats[0] = tmp;
 248                 }
 249         }
 250         free(buf);
 251         fclose(f);
 252
 253         return TRUE;
 254 }
 255
 256 static int run_testcase(char *infile, GSList *pdlist, struct output *op)
 257 {
 258         struct srd_session *sess;
 259         struct srd_decoder *dec;
 260         struct srd_decoder_inst *di, *prev_di;
 261         struct pd *pd;
 262         struct probe *probe;
 263         struct option *option;
 264         GVariant *gvar;
 265         GHashTable *probes, *opts;
 266         GSList *pdl, *l;
 267         int idx;
 268         char **decoder_class;
 269
 270         if (op->outfile) {
 271                 if ((op->outfd = open(op->outfile, O_CREAT|O_WRONLY, 0600)) == -1) {
 272                         ERR("Unable to open %s for writing: %s", op->outfile,
 273                                         strerror(errno));
 274                         return FALSE;
 275                 }
 276         }
 277
 278         if (sr_session_load(infile) != SR_OK)
 279                 return FALSE;
 280
 281         if (srd_session_new(&sess) != SRD_OK)
 282                 return FALSE;
 283         sr_session_datafeed_callback_add(sr_cb, sess);
 284         srd_pd_output_callback_add(sess, SRD_OUTPUT_ANN, srd_cb_ann, op);
 285
 286         prev_di = NULL;
 287         pd = NULL;
 288         for (pdl = pdlist; pdl; pdl = pdl->next) {
 289                 pd = pdl->data;
 290                 if (srd_decoder_load(pd->name) != SRD_OK)
 291                         return FALSE;
 292
 293                 /* Instantiate decoder and pass in options. */
 294                 opts = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
 295                                 (GDestroyNotify)g_variant_unref);
 296                 for (l = pd->options; l; l = l->next) {
 297                         option = l->data;
 298                         g_hash_table_insert(opts, option->key, option->value);
 299                 }
 300                 if (!(di = srd_inst_new(sess, pd->name, opts)))
 301                         return FALSE;
 302                 g_hash_table_destroy(opts);
 303
 304                 /* Map probes. */
 305                 if (pd->probes) {
 306                         probes = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
 307                                         (GDestroyNotify)g_variant_unref);
 308                         for (l = pd->probes; l; l = l->next) {
 309                                 probe = l->data;
 310                                 gvar = g_variant_new_int32(probe->probe);
 311                                 g_variant_ref_sink(gvar);
 312                                 g_hash_table_insert(probes, probe->name, gvar);
 313                         }
 314                         if (srd_inst_probe_set_all(di, probes) != SRD_OK)
 315                                 return FALSE;
 316                         g_hash_table_destroy(probes);
 317                 }
 318
 319
 320                 /* If this is not the first decoder in the list, stack it
 321                  * on top of the previous one. */
 322                 if (prev_di) {
 323                         if (srd_inst_stack(sess, prev_di, di) != SRD_OK) {
 324                                 ERR("Failed to stack decoder instances.");
 325                                 return FALSE;
 326                         }
 327                 }
 328                 prev_di = di;
 329         }
 330
 331         /* Resolve top decoder's class index, so we can match. */
 332         dec = srd_decoder_get_by_id(pd->name);
 333         if (op->class) {
 334                 if (op->type == SRD_OUTPUT_ANN)
 335                         l = dec->annotations;
 336                 else if (op->type == SRD_OUTPUT_BINARY)
 337                         l = dec->binary;
 338                 else
 339                         /* Only annotations and binary for now. */
 340                         return FALSE;
 341                 idx = 0;
 342                 while(l) {
 343                         decoder_class = l->data;
 344                         if (!strcmp(decoder_class[0], op->class)) {
 345                                 op->class_idx = idx;
 346                                 break;
 347                         } else
 348                                 idx++;
 349                         l = l->next;
 350                 }
 351                 if (op->class_idx == -1) {
 352                         ERR("Output class '%s' not found in decoder %s.",
 353                                         op->class, pd->name);
 354                         return FALSE;
 355                 }
 356         }
 357
 358         sr_session_start();
 359         sr_session_run();
 360         sr_session_stop();
 361
 362         srd_session_destroy(sess);
 363
 364         if (op->outfile)
 365                 close(op->outfd);
 366
 367         return TRUE;
 368 }
 369
 370 int main(int argc, char **argv)
 371 {
 372         struct sr_context *ctx;
 373         GSList *pdlist;
 374         struct pd *pd;
 375         struct probe *probe;
 376         struct option *option;
 377         struct output *op;
 378         int ret;
 379         char c, *opt_infile, **kv, **opstr;
 380
 381         op = malloc(sizeof(struct output));
 382         op->pd = NULL;
 383         op->type = -1;
 384         op->class = NULL;
 385         op->class_idx = -1;
 386         op->outfd = 1;
 387
 388         pdlist = NULL;
 389         opt_infile = NULL;
 390         pd = NULL;
 391         while((c = getopt(argc, argv, "dP:p:o:i:O:f:S")) != -1) {
 392                 switch(c) {
 393                 case 'd':
 394                         debug = TRUE;
 395                         break;
 396                 case 'P':
 397                         pd = g_malloc(sizeof(struct pd));
 398                         pd->name = g_strdup(optarg);
 399                         pd->probes = pd->options = NULL;
 400                         pdlist = g_slist_append(pdlist, pd);
 401                         break;
 402                 case 'p':
 403                 case 'o':
 404                         if (g_slist_length(pdlist) == 0) {
 405                                 /* No previous -P. */
 406                                 ERR("Syntax error at '%s'", optarg);
 407                                 usage(NULL);
 408                         }
 409                         kv = g_strsplit(optarg, "=", 0);
 410                         if (!kv[0] || (!kv[1] || kv[2])) {
 411                                 /* Need x=y. */
 412                                 ERR("Syntax error at '%s'", optarg);
 413                                 g_strfreev(kv);
 414                                 usage(NULL);
 415                         }
 416                         if (c == 'p') {
 417                                 probe = malloc(sizeof(struct probe));
 418                                 probe->name = g_strdup(kv[0]);
 419                                 probe->probe = strtoul(kv[1], 0, 10);
 420                                 /* Apply to last PD. */
 421                                 pd->probes = g_slist_append(pd->probes, probe);
 422                         } else {
 423                                 option = malloc(sizeof(struct option));
 424                                 option->key = g_strdup(kv[0]);
 425                                 option->value = g_strdup(kv[1]);
 426                                 /* Apply to last PD. */
 427                                 pd->options = g_slist_append(pd->options, option);
 428                         }
 429                         break;
 430                 case 'i':
 431                         opt_infile = optarg;
 432                         break;
 433                 case 'O':
 434                         opstr = g_strsplit(optarg, ":", 0);
 435                         if (!opstr[0] || !opstr[1]) {
 436                                 /* Need at least abc:def. */
 437                                 ERR("Syntax error at '%s'", optarg);
 438                                 g_strfreev(opstr);
 439                                 usage(NULL);
 440                         }
 441                         op->pd = g_strdup(opstr[0]);
 442                         if (!strcmp(opstr[1], "annotation"))
 443                                 op->type = SRD_OUTPUT_ANN;
 444                         else if (!strcmp(opstr[1], "binary"))
 445                                 op->type = SRD_OUTPUT_BINARY;
 446                         else if (!strcmp(opstr[1], "python"))
 447                                 op->type = SRD_OUTPUT_PYTHON;
 448                         else {
 449                                 ERR("Unknown output type '%s'", opstr[1]);
 450                                 g_strfreev(opstr);
 451                                 usage(NULL);
 452                         }
 453                         if (opstr[2])
 454                                 op->class = g_strdup(opstr[2]);
 455                         g_strfreev(opstr);
 456                         break;
 457                 case 'f':
 458                         op->outfile = g_strdup(optarg);
 459                         op->outfd = -1;
 460                         break;
 461                 case 'S':
 462                         statistics = TRUE;
 463                         break;
 464                 default:
 465                         usage(NULL);
 466                 }
 467         }
 468         if (argc > optind)
 469                 usage(NULL);
 470         if (g_slist_length(pdlist) == 0)
 471                 usage(NULL);
 472         if (!opt_infile)
 473                 usage(NULL);
 474         if (!op->pd || op->type == -1)
 475                 usage(NULL);
 476
 477         sr_log_callback_set(sr_log, NULL);
 478         if (sr_init(&ctx) != SR_OK)
 479                 return 1;
 480
 481         srd_log_callback_set(srd_log, NULL);
 482         if (srd_init(DECODERS_DIR) != SRD_OK)
 483                 return 1;
 484
 485         ret = 0;
 486         if (!run_testcase(opt_infile, pdlist, op))
 487                 ret = 1;
 488
 489         srd_exit();
 490         sr_exit(ctx);
 491
 492         return ret;
 493 }
 494
 495