runtc: minor nits in main()
[sigrok-test.git] / decoder / runtc.c
1 /*
2  * This file is part of the sigrok-test project.
3  *
4  * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
5  *
6  * This program is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
18  */
19
20 #include <Python.h>
21 #include <libsigrokdecode/libsigrokdecode.h>
22 #include <libsigrok/libsigrok.h>
23 #include <stdlib.h>
24 #include <stdio.h>
25 #include <stdarg.h>
26 #include <unistd.h>
27 #include <errno.h>
28 #include <sys/types.h>
29 #include <sys/stat.h>
30 #include <fcntl.h>
31 #include <time.h>
32 #include <sys/time.h>
33 #include <sys/resource.h>
34 #include <dirent.h>
35 #include <glib.h>
36 #ifdef __LINUX__
37 #include <sched.h>
38 #endif
39
40 static int debug = FALSE;
41 static int statistics = FALSE;
42 static char *coverage_report;
43 static struct sr_context *ctx;
44
45 struct channel {
46         char *name;
47         int channel;
48 };
49
50 struct option {
51         char *key;
52         GVariant *value;
53 };
54
55 struct pd {
56         const char *name;
57         GSList *channels;
58         GSList *options;
59 };
60
61 struct output {
62         const char *pd;
63         int type;
64         const char *class;
65         int class_idx;
66         const char *outfile;
67         int outfd;
68 };
69
70 struct cvg {
71         int num_lines;
72         int num_missed;
73         float coverage;
74         GSList *missed_lines;
75 };
76
77 static struct cvg *get_mod_cov(PyObject *py_cov, const char *module_name);
78 static void cvg_add(struct cvg *dst, const struct cvg *src);
79 static struct cvg *cvg_new(void);
80 static gboolean find_missed_line(struct cvg *cvg, const char *linespec);
81
82 static void logmsg(const char *prefix, FILE *out, const char *format, va_list args)
83 {
84         if (prefix)
85                 fprintf(out, "%s", prefix);
86         vfprintf(out, format, args);
87         fprintf(out, "\n");
88 }
89
90 static void DBG(const char *format, ...)
91 {
92         va_list args;
93
94         if (!debug)
95                 return;
96         va_start(args, format);
97         logmsg("DBG: runtc: ", stdout, format, args);
98         va_end(args);
99 }
100
101 static void ERR(const char *format, ...)
102 {
103         va_list args;
104
105         va_start(args, format);
106         logmsg("Error: ", stderr, format, args);
107         va_end(args);
108 }
109
110 static int sr_log(void *cb_data, int loglevel, const char *format, va_list args)
111 {
112         (void)cb_data;
113
114         if (loglevel == SR_LOG_ERR || loglevel == SR_LOG_WARN)
115                 logmsg("Error: sr: ", stderr, format, args);
116         else if (debug)
117                 logmsg("DBG: sr: ", stdout, format, args);
118
119         return SRD_OK;
120 }
121
122 static int srd_log(void *cb_data, int loglevel, const char *format, va_list args)
123 {
124         (void)cb_data;
125
126         if (loglevel == SRD_LOG_ERR || loglevel == SRD_LOG_WARN)
127                 logmsg("Error: srd: ", stderr, format, args);
128         else if (debug)
129                 logmsg("DBG: srd: ", stdout, format, args);
130
131         return SRD_OK;
132 }
133
134 static void usage(const char *msg)
135 {
136         if (msg)
137                 fprintf(stderr, "%s\n", msg);
138
139         printf("Usage: runtc [-dPpoiOfcS]\n");
140         printf("  -d  (enables debug output)\n");
141         printf("  -P <protocol decoder>\n");
142         printf("  -p <channelname=channelnum> (optional)\n");
143         printf("  -o <channeloption=value> (optional)\n");
144         printf("  -i <input file>\n");
145         printf("  -O <output-pd:output-type[:output-class]>\n");
146         printf("  -f <output file> (optional)\n");
147         printf("  -c <coverage report> (optional)\n");
148         printf("  -S  (enables statistics)\n");
149         exit(msg ? 1 : 0);
150
151 }
152
153 /*
154  * This is a neutered version of libsigrokdecode's py_str_as_str(). It
155  * does no error checking, but then the only strings it processes are
156  * generated by Python's repr(), so are known good.
157  */
158 static char *py_str_as_str(const PyObject *py_str)
159 {
160         PyObject *py_encstr;
161         char *str, *outstr;
162
163         py_encstr = PyUnicode_AsEncodedString((PyObject *)py_str, "utf-8", NULL);
164         str = PyBytes_AS_STRING(py_encstr);
165         outstr = g_strdup(str);
166         Py_DecRef(py_encstr);
167
168         return outstr;
169 }
170
171 static void srd_cb_py(struct srd_proto_data *pdata, void *cb_data)
172 {
173         struct output *op;
174         PyObject *pydata, *pyrepr;
175         GString *out;
176         char *s;
177
178         DBG("Python output from %s", pdata->pdo->di->decoder->id);
179         op = cb_data;
180         pydata = pdata->data;
181         DBG("ptr %p", pydata);
182
183         if (strcmp(pdata->pdo->di->decoder->id, op->pd))
184                 /* This is not the PD selected for output. */
185                 return;
186
187         if (!(pyrepr = PyObject_Repr(pydata))) {
188                 ERR("Invalid Python object.");
189                 return;
190         }
191         s = py_str_as_str(pyrepr);
192         Py_DecRef(pyrepr);
193
194         /* Output format for testing is '<ss>-<es> <inst-id>: <repr>\n'. */
195         out = g_string_sized_new(128);
196         g_string_printf(out, "%" PRIu64 "-%" PRIu64 " %s: %s\n",
197                         pdata->start_sample, pdata->end_sample,
198                         pdata->pdo->di->decoder->id, s);
199         g_free(s);
200         if (write(op->outfd, out->str, out->len) == -1)
201                 ERR("SRD_OUTPUT_PYTHON callback write failure!");
202         DBG("wrote '%s'", out->str);
203         g_string_free(out, TRUE);
204
205 }
206
207 static void srd_cb_bin(struct srd_proto_data *pdata, void *cb_data)
208 {
209         struct srd_proto_data_binary *pdb;
210         struct output *op;
211         GString *out;
212         unsigned int i;
213
214         DBG("Binary output from %s", pdata->pdo->di->decoder->id);
215         op = cb_data;
216         pdb = pdata->data;
217
218         if (strcmp(pdata->pdo->di->decoder->id, op->pd))
219                 /* This is not the PD selected for output. */
220                 return;
221
222         if (op->class_idx != -1 && op->class_idx != pdb->bin_class)
223                 /*
224                  * This output takes a specific binary class,
225                  * but not the one that just came in.
226                  */
227                 return;
228
229         out = g_string_sized_new(128);
230         g_string_printf(out, "%" PRIu64 "-%" PRIu64 " %s:",
231                         pdata->start_sample, pdata->end_sample,
232                         pdata->pdo->di->decoder->id);
233         for (i = 0; i < pdb->size; i++) {
234                 g_string_append_printf(out, " %.2x", pdb->data[i]);
235         }
236         g_string_append(out, "\n");
237         if (write(op->outfd, out->str, out->len) == -1)
238                 ERR("SRD_OUTPUT_BINARY callback write failure!");
239
240 }
241
242 static void srd_cb_ann(struct srd_proto_data *pdata, void *cb_data)
243 {
244         struct srd_decoder *dec;
245         struct srd_proto_data_annotation *pda;
246         struct output *op;
247         GString *line;
248         int i;
249         char **dec_ann;
250
251         DBG("Annotation output from %s", pdata->pdo->di->decoder->id);
252         op = cb_data;
253         pda = pdata->data;
254         dec = pdata->pdo->di->decoder;
255         if (strcmp(pdata->pdo->di->decoder->id, op->pd))
256                 /* This is not the PD selected for output. */
257                 return;
258
259         if (op->class_idx != -1 && op->class_idx != pda->ann_class)
260                 /*
261                  * This output takes a specific annotation class,
262                  * but not the one that just came in.
263                  */
264                 return;
265
266         dec_ann = g_slist_nth_data(dec->annotations, pda->ann_class);
267         line = g_string_sized_new(256);
268         g_string_printf(line, "%" PRIu64 "-%" PRIu64 " %s: %s:",
269                         pdata->start_sample, pdata->end_sample,
270                         pdata->pdo->di->decoder->id, dec_ann[0]);
271         for (i = 0; pda->ann_text[i]; i++)
272                 g_string_append_printf(line, " \"%s\"", pda->ann_text[i]);
273         g_string_append(line, "\n");
274         if (write(op->outfd, line->str, line->len) == -1)
275                 ERR("SRD_OUTPUT_ANN callback write failure!");
276         g_string_free(line, TRUE);
277
278 }
279
280 static void sr_cb(const struct sr_dev_inst *sdi,
281                 const struct sr_datafeed_packet *packet, void *cb_data)
282 {
283         static int samplecnt = 0;
284         const struct sr_datafeed_logic *logic;
285         struct srd_session *sess;
286         GVariant *gvar;
287         uint64_t samplerate;
288         int num_samples;
289         struct sr_dev_driver *driver;
290
291         sess = cb_data;
292
293         driver = sr_dev_inst_driver_get(sdi);
294
295         switch (packet->type) {
296         case SR_DF_HEADER:
297                 DBG("Received SR_DF_HEADER");
298                 if (sr_config_get(driver, sdi, NULL, SR_CONF_SAMPLERATE,
299                                 &gvar) != SR_OK) {
300                         ERR("Getting samplerate failed");
301                         break;
302                 }
303                 samplerate = g_variant_get_uint64(gvar);
304                 g_variant_unref(gvar);
305                 if (srd_session_metadata_set(sess, SRD_CONF_SAMPLERATE,
306                                 g_variant_new_uint64(samplerate)) != SRD_OK) {
307                         ERR("Setting samplerate failed");
308                         break;
309                 }
310                 if (srd_session_start(sess) != SRD_OK) {
311                         ERR("Session start failed");
312                         break;
313                 }
314                 break;
315         case SR_DF_LOGIC:
316                 logic = packet->payload;
317                 num_samples = logic->length / logic->unitsize;
318                 DBG("Received SR_DF_LOGIC (%"PRIu64" bytes, unitsize = %d).",
319                         logic->length, logic->unitsize);
320                 srd_session_send(sess, samplecnt, samplecnt + num_samples,
321                                 logic->data, logic->length, logic->unitsize);
322                 samplecnt += num_samples;
323                 break;
324         case SR_DF_END:
325                 DBG("Received SR_DF_END");
326                 break;
327         }
328
329 }
330
331 static int run_testcase(const char *infile, GSList *pdlist, struct output *op)
332 {
333         struct srd_session *sess;
334         struct srd_decoder *dec;
335         struct srd_decoder_inst *di, *prev_di;
336         srd_pd_output_callback cb;
337         struct pd *pd;
338         struct channel *channel;
339         struct option *option;
340         GVariant *gvar;
341         GHashTable *channels, *opts;
342         GSList *pdl, *l, *devices;
343         int idx, i;
344         int max_channel;
345         char **decoder_class;
346         struct sr_session *sr_sess;
347         gboolean is_number;
348         const char *s;
349
350         if (op->outfile) {
351                 if ((op->outfd = open(op->outfile, O_CREAT|O_WRONLY, 0600)) == -1) {
352                         ERR("Unable to open %s for writing: %s", op->outfile,
353                                         g_strerror(errno));
354                         return FALSE;
355                 }
356         }
357
358         if (sr_session_load(ctx, infile, &sr_sess) != SR_OK)
359                 return FALSE;
360
361         sr_session_dev_list(sr_sess, &devices);
362
363         if (srd_session_new(&sess) != SRD_OK)
364                 return FALSE;
365         sr_session_datafeed_callback_add(sr_sess, sr_cb, sess);
366         switch (op->type) {
367         case SRD_OUTPUT_ANN:
368                 cb = srd_cb_ann;
369                 break;
370         case SRD_OUTPUT_BINARY:
371                 cb = srd_cb_bin;
372                 break;
373         case SRD_OUTPUT_PYTHON:
374                 cb = srd_cb_py;
375                 break;
376         default:
377                 return FALSE;
378         }
379         srd_pd_output_callback_add(sess, op->type, cb, op);
380
381         prev_di = NULL;
382         pd = NULL;
383         for (pdl = pdlist; pdl; pdl = pdl->next) {
384                 pd = pdl->data;
385                 if (srd_decoder_load(pd->name) != SRD_OK)
386                         return FALSE;
387
388                 /* Instantiate decoder and pass in options. */
389                 opts = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
390                                 (GDestroyNotify)g_variant_unref);
391                 for (l = pd->options; l; l = l->next) {
392                         option = l->data;
393
394                         is_number = TRUE;
395                         s = g_variant_get_string(option->value, NULL);
396                         for (i = 0; i < (int)strlen(s); i++) {
397                                 if (!isdigit(s[i]))
398                                         is_number = FALSE;
399                         }
400
401                         if (is_number) {
402                                 /* Integer option value */
403                                 g_hash_table_insert(opts, option->key,
404                                   g_variant_new_int64(strtoull(s, NULL, 10)));
405                         } else {
406                                 /* String option value */
407                                 g_hash_table_insert(opts, option->key, option->value);
408                         }
409                 }
410                 if (!(di = srd_inst_new(sess, pd->name, opts)))
411                         return FALSE;
412                 g_hash_table_destroy(opts);
413
414                 /* Map channels. */
415                 if (pd->channels) {
416                         channels = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
417                                         (GDestroyNotify)g_variant_unref);
418                         max_channel = 0;
419                         for (l = pd->channels; l; l = l->next) {
420                                 channel = l->data;
421                                 if (channel->channel > max_channel)
422                                         max_channel = channel->channel;
423                                 gvar = g_variant_new_int32(channel->channel);
424                                 g_variant_ref_sink(gvar);
425                                 g_hash_table_insert(channels, channel->name, gvar);
426                         }
427
428                         if (srd_inst_channel_set_all(di, channels) != SRD_OK)
429                                 return FALSE;
430                         g_hash_table_destroy(channels);
431                 }
432
433                 /*
434                  * If this is not the first decoder in the list, stack it
435                  * on top of the previous one.
436                  */
437                 if (prev_di) {
438                         if (srd_inst_stack(sess, prev_di, di) != SRD_OK) {
439                                 ERR("Failed to stack decoder instances.");
440                                 return FALSE;
441                         }
442                 }
443                 prev_di = di;
444         }
445
446         /* Resolve top decoder's class index, so we can match. */
447         dec = srd_decoder_get_by_id(pd->name);
448         if (op->class) {
449                 if (op->type == SRD_OUTPUT_ANN)
450                         l = dec->annotations;
451                 else if (op->type == SRD_OUTPUT_BINARY)
452                         l = dec->binary;
453                 else
454                         /* Only annotations and binary can have a class. */
455                         return FALSE;
456                 idx = 0;
457                 while (l) {
458                         decoder_class = l->data;
459                         if (!strcmp(decoder_class[0], op->class)) {
460                                 op->class_idx = idx;
461                                 break;
462                         } else
463                                 idx++;
464                         l = l->next;
465                 }
466                 if (op->class_idx == -1) {
467                         ERR("Output class '%s' not found in decoder %s.",
468                                         op->class, pd->name);
469                         return FALSE;
470                 } else
471                         DBG("Class %s index is %d", op->class, op->class_idx);
472         }
473
474         sr_session_start(sr_sess);
475         sr_session_run(sr_sess);
476         sr_session_stop(sr_sess);
477
478         srd_session_destroy(sess);
479
480         if (op->outfile)
481                 close(op->outfd);
482
483         return TRUE;
484 }
485
486 static PyObject *start_coverage(GSList *pdlist)
487 {
488         PyObject *py_mod, *py_pdlist, *py_pd, *py_func, *py_args, *py_kwargs, *py_cov;
489         GSList *l;
490         struct pd *pd;
491
492         DBG("Starting coverage.");
493
494         if (!(py_mod = PyImport_ImportModule("coverage")))
495                 return NULL;
496
497         if (!(py_pdlist = PyList_New(0)))
498                 return NULL;
499         for (l = pdlist; l; l = l->next) {
500                 pd = l->data;
501                 py_pd = PyUnicode_FromFormat("*/%s/*.py", pd->name);
502                 if (PyList_Append(py_pdlist, py_pd) < 0)
503                         return NULL;
504                 Py_DecRef(py_pd);
505         }
506         if (!(py_func = PyObject_GetAttrString(py_mod, "coverage")))
507                 return NULL;
508         if (!(py_args = PyTuple_New(0)))
509                 return NULL;
510         if (!(py_kwargs = Py_BuildValue("{sO}", "include", py_pdlist)))
511                 return NULL;
512         if (!(py_cov = PyObject_Call(py_func, py_args, py_kwargs)))
513                 return NULL;
514         if (!(PyObject_CallMethod(py_cov, "start", NULL)))
515                 return NULL;
516         Py_DecRef(py_pdlist);
517         Py_DecRef(py_args);
518         Py_DecRef(py_kwargs);
519         Py_DecRef(py_func);
520
521         return py_cov;
522 }
523
524 static struct cvg *get_mod_cov(PyObject *py_cov, const char *module_name)
525 {
526         PyObject *py_mod, *py_pathlist, *py_path, *py_func, *py_pd;
527         PyObject *py_result, *py_missed, *py_item;
528         DIR *d;
529         struct dirent *de;
530         struct cvg *cvg_mod;
531         int num_lines, num_missed, linenum, i, j;
532         char *path, *linespec;
533
534         if (!(py_mod = PyImport_ImportModule(module_name)))
535                 return NULL;
536
537         cvg_mod = NULL;
538         py_pathlist = PyObject_GetAttrString(py_mod, "__path__");
539         for (i = 0; i < PyList_Size(py_pathlist); i++) {
540                 py_path = PyList_GetItem(py_pathlist, i);
541                 PyUnicode_FSConverter(PyList_GetItem(py_pathlist, i), &py_path);
542                 path = PyBytes_AS_STRING(py_path);
543                 if (!(d = opendir(path))) {
544                         ERR("Invalid module path '%s'", path);
545                         return NULL;
546                 }
547                 while ((de = readdir(d))) {
548                         if (strncmp(de->d_name + strlen(de->d_name) - 3, ".py", 3))
549                                 continue;
550
551                         if (!(py_func = PyObject_GetAttrString(py_cov, "analysis2")))
552                                 return NULL;
553                         if (!(py_pd = PyUnicode_FromFormat("%s/%s", path, de->d_name)))
554                                 return NULL;
555                         if (!(py_result = PyObject_CallFunction(py_func, "O", py_pd)))
556                                 return NULL;
557                         Py_DecRef(py_pd);
558                         Py_DecRef(py_func);
559
560                         if (!cvg_mod)
561                                 cvg_mod = cvg_new();
562                         if (PyTuple_Size(py_result) != 5) {
563                                 ERR("Invalid result from coverage of '%s/%s'", path, de->d_name);
564                                 return NULL;
565                         }
566                         num_lines = PyList_Size(PyTuple_GetItem(py_result, 1));
567                         py_missed = PyTuple_GetItem(py_result, 3);
568                         num_missed = PyList_Size(py_missed);
569                         cvg_mod->num_lines += num_lines;
570                         cvg_mod->num_missed += num_missed;
571                         for (j = 0; j < num_missed; j++) {
572                                 py_item = PyList_GetItem(py_missed, j);
573                                 linenum = PyLong_AsLong(py_item);
574                                 linespec = g_strdup_printf("%s/%s:%d", module_name,
575                                                 de->d_name, linenum);
576                                 cvg_mod->missed_lines = g_slist_append(cvg_mod->missed_lines, linespec);
577                         }
578                         DBG("Coverage for %s/%s: %d lines, %d missed.",
579                                         module_name, de->d_name, num_lines, num_missed);
580                         Py_DecRef(py_result);
581                 }
582         }
583         if (cvg_mod->num_lines)
584                 cvg_mod->coverage = 100 - ((float)cvg_mod->num_missed / (float)cvg_mod->num_lines * 100);
585
586         Py_DecRef(py_mod);
587         Py_DecRef(py_path);
588
589         return cvg_mod;
590 }
591
592 static struct cvg *cvg_new(void)
593 {
594         struct cvg *cvg;
595
596         cvg = calloc(1, sizeof(struct cvg));
597
598         return cvg;
599 }
600
601 static gboolean find_missed_line(struct cvg *cvg, const char *linespec)
602 {
603         GSList *l;
604
605         for (l = cvg->missed_lines; l; l = l->next)
606                 if (!strcmp(l->data, linespec))
607                         return TRUE;
608
609         return FALSE;
610 }
611
612 static void cvg_add(struct cvg *dst, const struct cvg *src)
613 {
614         GSList *l;
615         char *linespec;
616
617         dst->num_lines += src->num_lines;
618         dst->num_missed += src->num_missed;
619         for (l = src->missed_lines; l; l = l->next) {
620                 linespec = l->data;
621                 if (!find_missed_line(dst, linespec))
622                         dst->missed_lines = g_slist_append(dst->missed_lines, linespec);
623         }
624
625 }
626
627 static int report_coverage(PyObject *py_cov, GSList *pdlist)
628 {
629         PyObject *py_func, *py_mod, *py_args, *py_kwargs, *py_outfile, *py_pct;
630         GSList *l, *ml;
631         struct pd *pd;
632         struct cvg *cvg_mod, *cvg_all;
633         float total_coverage;
634         int lines, missed, cnt;
635
636         DBG("Making coverage report.");
637
638         /* Get coverage for each module in the stack. */
639         lines = missed = 0;
640         cvg_all = cvg_new();
641         for (cnt = 0, l = pdlist; l; l = l->next, cnt++) {
642                 pd = l->data;
643                 if (!(cvg_mod = get_mod_cov(py_cov, pd->name)))
644                         return FALSE;
645                 printf("coverage: scope=%s coverage=%.0f%% lines=%d missed=%d "
646                                 "missed_lines=", pd->name, cvg_mod->coverage,
647                                 cvg_mod->num_lines, cvg_mod->num_missed);
648                 for (ml = cvg_mod->missed_lines; ml; ml = ml->next) {
649                         if (ml != cvg_mod->missed_lines)
650                                 printf(",");
651                         printf("%s", (char *)ml->data);
652                 }
653                 printf("\n");
654                 lines += cvg_mod->num_lines;
655                 missed += cvg_mod->num_missed;
656                 cvg_add(cvg_all, cvg_mod);
657                 DBG("Coverage for module %s: %d lines, %d missed", pd->name,
658                                 cvg_mod->num_lines, cvg_mod->num_missed);
659         }
660         lines /= cnt;
661         missed /= cnt;
662         total_coverage = 100 - ((float)missed / (float)lines * 100);
663
664         /* Machine-readable stats on stdout. */
665         printf("coverage: scope=all coverage=%.0f%% lines=%d missed=%d\n",
666                         total_coverage, cvg_all->num_lines, cvg_all->num_missed);
667
668         /* Write text report to file. */
669         /* io.open(coverage_report, "w") */
670         if (!(py_mod = PyImport_ImportModule("io")))
671                 return FALSE;
672         if (!(py_func = PyObject_GetAttrString(py_mod, "open")))
673                 return FALSE;
674         if (!(py_args = PyTuple_New(0)))
675                 return FALSE;
676         if (!(py_kwargs = Py_BuildValue("{ssss}", "file", coverage_report,
677                         "mode", "w")))
678                 return FALSE;
679         if (!(py_outfile = PyObject_Call(py_func, py_args, py_kwargs)))
680                 return FALSE;
681         Py_DecRef(py_kwargs);
682         Py_DecRef(py_func);
683
684         /* py_cov.report(file=py_outfile) */
685         if (!(py_func = PyObject_GetAttrString(py_cov, "report")))
686                 return FALSE;
687         if (!(py_kwargs = Py_BuildValue("{sO}", "file", py_outfile)))
688                 return FALSE;
689         if (!(py_pct = PyObject_Call(py_func, py_args, py_kwargs)))
690                 return FALSE;
691         Py_DecRef(py_pct);
692         Py_DecRef(py_kwargs);
693         Py_DecRef(py_func);
694
695         /* py_outfile.close() */
696         if (!(py_func = PyObject_GetAttrString(py_outfile, "close")))
697                 return FALSE;
698         if (!PyObject_Call(py_func, py_args, NULL))
699                 return FALSE;
700         Py_DecRef(py_outfile);
701         Py_DecRef(py_func);
702         Py_DecRef(py_args);
703         Py_DecRef(py_mod);
704
705         return TRUE;
706 }
707
708 int main(int argc, char **argv)
709 {
710         PyObject *coverage;
711         GSList *pdlist;
712         struct pd *pd;
713         struct channel *channel;
714         struct option *option;
715         struct output *op;
716         int ret, c;
717         char *opt_infile, **kv, **opstr;
718
719         op = malloc(sizeof(struct output));
720         op->pd = NULL;
721         op->type = -1;
722         op->class = NULL;
723         op->class_idx = -1;
724         op->outfd = 1;
725
726         pdlist = NULL;
727         opt_infile = NULL;
728         pd = NULL;
729         coverage = NULL;
730         while ((c = getopt(argc, argv, "dP:p:o:i:O:f:c:S")) != -1) {
731                 switch (c) {
732                 case 'd':
733                         debug = TRUE;
734                         break;
735                 case 'P':
736                         pd = g_malloc(sizeof(struct pd));
737                         pd->name = g_strdup(optarg);
738                         pd->channels = pd->options = NULL;
739                         pdlist = g_slist_append(pdlist, pd);
740                         break;
741                 case 'p':
742                 case 'o':
743                         if (g_slist_length(pdlist) == 0) {
744                                 /* No previous -P. */
745                                 ERR("Syntax error at '%s'", optarg);
746                                 usage(NULL);
747                         }
748                         kv = g_strsplit(optarg, "=", 0);
749                         if (!kv[0] || (!kv[1] || kv[2])) {
750                                 /* Need x=y. */
751                                 ERR("Syntax error at '%s'", optarg);
752                                 g_strfreev(kv);
753                                 usage(NULL);
754                         }
755                         if (c == 'p') {
756                                 channel = malloc(sizeof(struct channel));
757                                 channel->name = g_strdup(kv[0]);
758                                 channel->channel = strtoul(kv[1], NULL, 10);
759                                 /* Apply to last PD. */
760                                 pd->channels = g_slist_append(pd->channels, channel);
761                         } else {
762                                 option = malloc(sizeof(struct option));
763                                 option->key = g_strdup(kv[0]);
764                                 option->value = g_variant_new_string(kv[1]);
765                                 g_variant_ref_sink(option->value);
766                                 /* Apply to last PD. */
767                                 pd->options = g_slist_append(pd->options, option);
768                         }
769                         break;
770                 case 'i':
771                         opt_infile = optarg;
772                         break;
773                 case 'O':
774                         opstr = g_strsplit(optarg, ":", 0);
775                         if (!opstr[0] || !opstr[1]) {
776                                 /* Need at least abc:def. */
777                                 ERR("Syntax error at '%s'", optarg);
778                                 g_strfreev(opstr);
779                                 usage(NULL);
780                         }
781                         op->pd = g_strdup(opstr[0]);
782                         if (!strcmp(opstr[1], "annotation"))
783                                 op->type = SRD_OUTPUT_ANN;
784                         else if (!strcmp(opstr[1], "binary"))
785                                 op->type = SRD_OUTPUT_BINARY;
786                         else if (!strcmp(opstr[1], "python"))
787                                 op->type = SRD_OUTPUT_PYTHON;
788                         else if (!strcmp(opstr[1], "exception"))
789                                 /* Doesn't matter, we just need it to bomb out. */
790                                 op->type = SRD_OUTPUT_PYTHON;
791                         else {
792                                 ERR("Unknown output type '%s'", opstr[1]);
793                                 g_strfreev(opstr);
794                                 usage(NULL);
795                         }
796                         if (opstr[2])
797                                 op->class = g_strdup(opstr[2]);
798                         g_strfreev(opstr);
799                         break;
800                 case 'f':
801                         op->outfile = g_strdup(optarg);
802                         op->outfd = -1;
803                         break;
804                 case 'c':
805                         coverage_report = optarg;
806                         break;
807                 case 'S':
808                         statistics = TRUE;
809                         break;
810                 default:
811                         usage(NULL);
812                 }
813         }
814         if (argc > optind)
815                 usage(NULL);
816         if (g_slist_length(pdlist) == 0)
817                 usage(NULL);
818         if (!opt_infile)
819                 usage(NULL);
820         if (!op->pd || op->type == -1)
821                 usage(NULL);
822
823         sr_log_callback_set(sr_log, NULL);
824         if (sr_init(&ctx) != SR_OK)
825                 return 1;
826
827         srd_log_callback_set(srd_log, NULL);
828         if (srd_init(DECODERS_DIR) != SRD_OK)
829                 return 1;
830
831         if (coverage_report) {
832                 if (!(coverage = start_coverage(pdlist))) {
833                         DBG("Failed to start coverage.");
834                         if (PyErr_Occurred()) {
835                                 PyErr_PrintEx(0);
836                                 PyErr_Clear();
837                         }
838                 }
839         }
840
841         ret = 0;
842         if (!run_testcase(opt_infile, pdlist, op))
843                 ret = 1;
844
845         if (coverage) {
846                 DBG("Stopping coverage.");
847
848                 if (!(PyObject_CallMethod(coverage, "stop", NULL)))
849                         ERR("Failed to stop coverage.");
850                 else if (!(report_coverage(coverage, pdlist)))
851                         ERR("Failed to make coverage report.");
852                 else
853                         DBG("Coverage report in %s", coverage_report);
854
855                 if (PyErr_Occurred()) {
856                         PyErr_PrintEx(0);
857                         PyErr_Clear();
858                 }
859                 Py_DecRef(coverage);
860         }
861
862         srd_exit();
863         sr_exit(ctx);
864
865         return ret;
866 }