[sigrok-cli.git] / decode.c

/*
 * This file is part of the sigrok-cli project.
 *
 * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "sigrok-cli.h"
#include "config.h"
#include <glib.h>

#ifdef HAVE_SRD
static GHashTable *pd_ann_visible = NULL;
static GHashTable *pd_meta_visible = NULL;
static GHashTable *pd_binary_visible = NULL;

extern struct srd_session *srd_sess;
extern gint opt_loglevel;


static int opts_to_gvar(struct srd_decoder *dec, GHashTable *hash,
		GHashTable **options)
{
	struct srd_decoder_option *o;
	GSList *optl;
	GVariant *gvar;
	gint64 val_int;
	int ret;
	char *val_str, *conv;

	ret = TRUE;
	*options = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
			(GDestroyNotify)g_variant_unref);

	for (optl = dec->options; optl; optl = optl->next) {
		o = optl->data;
		if (!(val_str = g_hash_table_lookup(hash, o->id)))
			/* Not specified. */
			continue;
		if (g_variant_is_of_type(o->def, G_VARIANT_TYPE_STRING)) {
			gvar = g_variant_new_string(val_str);
		} else if (g_variant_is_of_type(o->def, G_VARIANT_TYPE_INT64)) {
			val_int = strtoll(val_str, &conv, 0);
			if (!conv || conv == val_str) {
				g_critical("Protocol decoder '%s' option '%s' "
						"requires a number.", dec->name, o->id);
				ret = FALSE;
				break;
			}
			gvar = g_variant_new_int64(val_int);
		} else {
			g_critical("Unsupported type for option '%s' (%s)",
					o->id, g_variant_get_type_string(o->def));
			ret = FALSE;
			break;
		}
		g_variant_ref_sink(gvar);
		g_hash_table_insert(*options, g_strdup(o->id), gvar);
		g_hash_table_remove(hash, o->id);
	}

	return ret;
}

static int probes_to_gvar(struct srd_decoder *dec, GHashTable *hash,
		GHashTable **probes)
{
	struct srd_probe *p;
	GSList *all_probes, *l;
	GVariant *gvar;
	gint32 val_int;
	int ret;
	char *val_str, *conv;

	ret = TRUE;
	*probes = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
			(GDestroyNotify)g_variant_unref);

	all_probes = g_slist_copy(dec->probes);
	all_probes = g_slist_concat(all_probes, g_slist_copy(dec->opt_probes));
	for (l = all_probes; l; l = l->next) {
		p = l->data;
		if (!(val_str = g_hash_table_lookup(hash, p->id)))
			/* Not specified. */
			continue;
		val_int = strtoll(val_str, &conv, 10);
		if (!conv || conv == val_str) {
			g_critical("Protocol decoder '%s' probes '%s' "
					"is not a number.", dec->name, p->id);
			ret = FALSE;
			break;
		}
		gvar = g_variant_new_int32(val_int);
		g_variant_ref_sink(gvar);
		g_hash_table_insert(*probes, g_strdup(p->id), gvar);
		g_hash_table_remove(hash, p->id);
	}
	g_slist_free(all_probes);

	return ret;
}

/* Register the given PDs for this session.
 * Accepts a string of the form: "spi:sck=3:sdata=4,spi:sck=3:sdata=5"
 * That will instantiate two SPI decoders on the clock but different data
 * lines.
 */
int register_pds(const char *opt_pds, char *opt_pd_annotations)
{
	struct srd_decoder *dec;
	GHashTable *pd_opthash, *options, *probes;
	GList *leftover, *l;
	struct srd_decoder_inst *di;
	int ret;
	char **pdtokens, **pdtok, *pd_name;

	pd_ann_visible = g_hash_table_new_full(g_str_hash, g_int_equal,
			g_free, NULL);
	ret = 0;
	pd_name = NULL;
	pd_opthash = options = probes = NULL;
	pdtokens = g_strsplit(opt_pds, ",", 0);
	for (pdtok = pdtokens; *pdtok; pdtok++) {
		if (!(pd_opthash = parse_generic_arg(*pdtok, TRUE))) {
			g_critical("Invalid protocol decoder option '%s'.", *pdtok);
			break;
		}

		pd_name = g_strdup(g_hash_table_lookup(pd_opthash, "sigrok_key"));
		g_hash_table_remove(pd_opthash, "sigrok_key");
		if (srd_decoder_load(pd_name) != SRD_OK) {
			g_critical("Failed to load protocol decoder %s.", pd_name);
			ret = 1;
			break;
		}
		dec = srd_decoder_get_by_id(pd_name);

		/* Convert decoder option and probe values to GVariant. */
		if (!opts_to_gvar(dec, pd_opthash, &options)) {
			ret = 1;
			break;
		}
		if (!probes_to_gvar(dec, pd_opthash, &probes)) {
			ret = 1;
			break;
		}
		if (g_hash_table_size(pd_opthash) > 0) {
			leftover = g_hash_table_get_keys(pd_opthash);
			for (l = leftover; l; l = l->next)
				g_critical("Unknown option or probe '%s'", (char *)l->data);
			g_list_free(leftover);
			break;
		}

		if (!(di = srd_inst_new(srd_sess, pd_name, options))) {
			g_critical("Failed to instantiate protocol decoder %s.", pd_name);
			ret = 1;
			break;
		}

		/* If no annotation list was specified, add them all in now.
		 * This will be pared down later to leave only the last PD
		 * in the stack.
		 */
		if (!opt_pd_annotations)
			g_hash_table_insert(pd_ann_visible,
					    g_strdup(di->inst_id), GINT_TO_POINTER(-1));

		/* Remap the probes if needed. */
		if (srd_inst_probe_set_all(di, probes) != SRD_OK) {
			ret = 1;
			break;
		}
	}

	g_strfreev(pdtokens);
	if (pd_opthash)
		g_hash_table_destroy(pd_opthash);
	if (options)
		g_hash_table_destroy(options);
	if (probes)
		g_hash_table_destroy(probes);
	if (pd_name)
		g_free(pd_name);

	return ret;
}

int setup_pd_stack(char *opt_pds, char *opt_pd_stack, char *opt_pd_annotations)
{
	struct srd_decoder_inst *di_from, *di_to;
	int ret, i;
	char **pds, **ids;

	/* Set up the protocol decoder stack. */
	pds = g_strsplit(opt_pds, ",", 0);
	if (g_strv_length(pds) > 1) {
		if (opt_pd_stack) {
			/* A stack setup was specified, use that. */
			g_strfreev(pds);
			pds = g_strsplit(opt_pd_stack, ",", 0);
			if (g_strv_length(pds) < 2) {
				g_strfreev(pds);
				g_critical("Specify at least two protocol decoders to stack.");
				return 1;
			}
		}

		/* First PD goes at the bottom of the stack. */
		ids = g_strsplit(pds[0], ":", 0);
		if (!(di_from = srd_inst_find_by_id(srd_sess, ids[0]))) {
			g_strfreev(ids);
			g_critical("Cannot stack protocol decoder '%s': "
					"instance not found.", pds[0]);
			return 1;
		}
		g_strfreev(ids);

		/* Every subsequent PD goes on top. */
		for (i = 1; pds[i]; i++) {
			ids = g_strsplit(pds[i], ":", 0);
			if (!(di_to = srd_inst_find_by_id(srd_sess, ids[0]))) {
				g_strfreev(ids);
				g_critical("Cannot stack protocol decoder '%s': "
						"instance not found.", pds[i]);
				return 1;
			}
			g_strfreev(ids);
			if ((ret = srd_inst_stack(srd_sess, di_from, di_to)) != SRD_OK)
				return 1;

			/* Don't show annotation from this PD. Only the last PD in
			 * the stack will be left on the annotation list (unless
			 * the annotation list was specifically provided).
			 */
			if (!opt_pd_annotations)
				g_hash_table_remove(pd_ann_visible,
						    di_from->inst_id);

			di_from = di_to;
		}
	}
	g_strfreev(pds);

	return 0;
}

int setup_pd_annotations(char *opt_pd_annotations)
{
	GSList *l;
	struct srd_decoder *dec;
	int ann_class;
	char **pds, **pdtok, **keyval, **ann_descr;

	/* Set up custom list of PDs and annotations to show. */
	pds = g_strsplit(opt_pd_annotations, ",", 0);
	for (pdtok = pds; *pdtok && **pdtok; pdtok++) {
		keyval = g_strsplit(*pdtok, "=", 0);
		if (!(dec = srd_decoder_get_by_id(keyval[0]))) {
			g_critical("Protocol decoder '%s' not found.", keyval[0]);
			return 1;
		}
		if (!dec->annotations) {
			g_critical("Protocol decoder '%s' has no annotations.", keyval[0]);
			return 1;
		}
		ann_class = 0;
		if (g_strv_length(keyval) == 2) {
			for (l = dec->annotations; l; l = l->next, ann_class++) {
				ann_descr = l->data;
				if (!canon_cmp(ann_descr[0], keyval[1]))
					/* Found it. */
					break;
			}
			if (!l) {
				g_critical("Annotation '%s' not found "
						"for protocol decoder '%s'.", keyval[1], keyval[0]);
				return 1;
			}
			g_debug("cli: Showing protocol decoder %s annotation "
					"class %d (%s).", keyval[0], ann_class, ann_descr[0]);
		} else {
			/* No class specified: show all of them. */
			ann_class = -1;
			g_debug("cli: Showing all annotation classes for protocol "
					"decoder %s.", keyval[0]);
		}
		g_hash_table_insert(pd_ann_visible, g_strdup(keyval[0]), GINT_TO_POINTER(ann_class));
		g_strfreev(keyval);
	}
	g_strfreev(pds);

	return 0;
}

int setup_pd_meta(char *opt_pd_meta)
{
	struct srd_decoder *dec;
	char **pds, **pdtok;

	pd_meta_visible = g_hash_table_new_full(g_str_hash, g_int_equal,
			g_free, NULL);
	pds = g_strsplit(opt_pd_meta, ",", 0);
	for (pdtok = pds; *pdtok && **pdtok; pdtok++) {
		if (!(dec = srd_decoder_get_by_id(*pdtok))) {
			g_critical("Protocol decoder '%s' not found.", *pdtok);
			return 1;
		}
		g_debug("cli: Showing protocol decoder meta output from '%s'.", *pdtok);
		g_hash_table_insert(pd_meta_visible, g_strdup(*pdtok), NULL);
	}
	g_strfreev(pds);

	return 0;
}

int setup_pd_binary(char *opt_pd_binary)
{
	GSList *l;
	struct srd_decoder *dec;
	int bin_class;
	char **pds, **pdtok, **keyval, **bin_name;

	pd_binary_visible = g_hash_table_new_full(g_str_hash, g_int_equal,
			g_free, NULL);
	pds = g_strsplit(opt_pd_binary, ",", 0);
	for (pdtok = pds; *pdtok && **pdtok; pdtok++) {
		keyval = g_strsplit(*pdtok, "=", 0);
		if (!(dec = srd_decoder_get_by_id(keyval[0]))) {
			g_critical("Protocol decoder '%s' not found.", keyval[0]);
			return 1;
		}
		if (!dec->binary) {
			g_critical("Protocol decoder '%s' has no binary output.", keyval[0]);
			return 1;
		}
		bin_class = 0;
		if (g_strv_length(keyval) == 2) {
			for (l = dec->binary; l; l = l->next, bin_class++) {
				bin_name = l->data;
				if (!strcmp(bin_name[0], keyval[1]))
					/* Found it. */
					break;
			}
			if (!l) {
				g_critical("binary output '%s' not found "
						"for protocol decoder '%s'.", keyval[1], keyval[0]);
				return 1;
			}
			g_debug("cli: Showing protocol decoder %s binary class "
					"%d (%s).", keyval[0], bin_class, bin_name[0]);
		} else {
			/* No class specified: output all of them. */
			bin_class = -1;
			g_debug("cli: Showing all binary classes for protocol "
					"decoder %s.", keyval[0]);
		}
		g_hash_table_insert(pd_binary_visible, g_strdup(keyval[0]), GINT_TO_POINTER(bin_class));
		g_strfreev(keyval);
	}
	g_strfreev(pds);

	return 0;
}

void show_pd_annotations(struct srd_proto_data *pdata, void *cb_data)
{
	struct srd_decoder *dec;
	struct srd_proto_data_annotation *pda;
	gpointer ann_format;
	int format, i;
	char **ann_descr;

	/* 'cb_data' is not used in this specific callback. */
	(void)cb_data;

	if (!pd_ann_visible)
		return;

	if (!g_hash_table_lookup_extended(pd_ann_visible, pdata->pdo->di->inst_id,
			NULL, &ann_format))
		/* Not in the list of PDs whose annotations we're showing. */
		return;

	format = GPOINTER_TO_INT(ann_format);
	dec = pdata->pdo->di->decoder;
	pda = pdata->data;
	if (format != -1 && pda->ann_format != format)
		/* We don't want this particular format from the PD. */
		return;

	if (opt_loglevel <= SR_LOG_WARN) {
		/* Show only the longest annotation. */
		printf("%s", pda->ann_text[0]);
	} else if (opt_loglevel >= SR_LOG_INFO) {
		/* Sample numbers and quotes around the longest annotation. */
		printf("%"PRIu64"-%"PRIu64"", pdata->start_sample, pdata->end_sample);
		if (opt_loglevel == SR_LOG_INFO) {
			printf(" \"%s\"", pda->ann_text[0]);
		} else {
			/* Protocol decoder id, annotation class,
			 * all annotation strings. */
			ann_descr = g_slist_nth_data(dec->annotations, pda->ann_format);
			printf(" %s: %s:", pdata->pdo->proto_id, ann_descr[0]);
			for (i = 0; pda->ann_text[i]; i++)
				printf(" \"%s\"", pda->ann_text[i]);
		}
	}
	printf("\n");
	fflush(stdout);
}

void show_pd_meta(struct srd_proto_data *pdata, void *cb_data)
{

	/* 'cb_data' is not used in this specific callback. */
	(void)cb_data;

	if (!g_hash_table_lookup_extended(pd_meta_visible,
			pdata->pdo->di->decoder->id, NULL, NULL))
		/* Not in the list of PDs whose meta output we're showing. */
		return;

	if (opt_loglevel > SR_LOG_WARN)
		printf("%"PRIu64"-%"PRIu64" ", pdata->start_sample, pdata->end_sample);
	printf("%s: ", pdata->pdo->proto_id);
	printf("%s: %s", pdata->pdo->meta_name, g_variant_print(pdata->data, FALSE));
	printf("\n");
	fflush(stdout);
}

void show_pd_binary(struct srd_proto_data *pdata, void *cb_data)
{
	struct srd_proto_data_binary *pdb;
	gpointer classp;
	int class;

	/* 'cb_data' is not used in this specific callback. */
	(void)cb_data;

	if (!g_hash_table_lookup_extended(pd_binary_visible,
			pdata->pdo->di->decoder->id, NULL, (void **)&classp))
		/* Not in the list of PDs whose meta output we're showing. */
		return;

	class = GPOINTER_TO_INT(classp);
	pdb = pdata->data;
	if (class != -1 && class != pdb->bin_class)
		/* Not showing this binary class. */
		return;

	/* Just send the binary output to stdout, no embellishments. */
	fwrite(pdb->data, pdb->size, 1, stdout);
	fflush(stdout);
}
#endif
Commit	Line	Data
2be182e6 BV	1	/*
	2	* This file is part of the sigrok-cli 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
20fb52e0	20	#include "sigrok-cli.h"
2be182e6 BV	21	#include "config.h"
2be182e6 BV	22	#include <glib.h>
2be182e6 BV	23
	24	#ifdef HAVE_SRD
	25	static GHashTable *pd_ann_visible = NULL;
	26	static GHashTable *pd_meta_visible = NULL;
	27	static GHashTable *pd_binary_visible = NULL;
	28
	29	extern struct srd_session *srd_sess;
	30	extern gint opt_loglevel;
2be182e6 BV	31
	32
	33	static int opts_to_gvar(struct srd_decoder dec, GHashTable hash,
	34	GHashTable **options)
	35	{
	36	struct srd_decoder_option *o;
	37	GSList *optl;
	38	GVariant *gvar;
	39	gint64 val_int;
	40	int ret;
	41	char val_str, conv;
	42
	43	ret = TRUE;
	44	*options = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
	45	(GDestroyNotify)g_variant_unref);
	46
	47	for (optl = dec->options; optl; optl = optl->next) {
	48	o = optl->data;
	49	if (!(val_str = g_hash_table_lookup(hash, o->id)))
	50	/* Not specified. */
	51	continue;
	52	if (g_variant_is_of_type(o->def, G_VARIANT_TYPE_STRING)) {
	53	gvar = g_variant_new_string(val_str);
	54	} else if (g_variant_is_of_type(o->def, G_VARIANT_TYPE_INT64)) {
	55	val_int = strtoll(val_str, &conv, 0);
	56	if (!conv \|\| conv == val_str) {
	57	g_critical("Protocol decoder '%s' option '%s' "
	58	"requires a number.", dec->name, o->id);
	59	ret = FALSE;
	60	break;
	61	}
	62	gvar = g_variant_new_int64(val_int);
	63	} else {
	64	g_critical("Unsupported type for option '%s' (%s)",
	65	o->id, g_variant_get_type_string(o->def));
	66	ret = FALSE;
	67	break;
	68	}
	69	g_variant_ref_sink(gvar);
	70	g_hash_table_insert(*options, g_strdup(o->id), gvar);
	71	g_hash_table_remove(hash, o->id);
	72	}
	73
	74	return ret;
	75	}
	76
	77	static int probes_to_gvar(struct srd_decoder dec, GHashTable hash,
	78	GHashTable **probes)
	79	{
	80	struct srd_probe *p;
	81	GSList all_probes, l;
	82	GVariant *gvar;
	83	gint32 val_int;
	84	int ret;
	85	char val_str, conv;
	86
	87	ret = TRUE;
	88	*probes = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
	89	(GDestroyNotify)g_variant_unref);
	90
	91	all_probes = g_slist_copy(dec->probes);
	92	all_probes = g_slist_concat(all_probes, g_slist_copy(dec->opt_probes));
	93	for (l = all_probes; l; l = l->next) {
	94	p = l->data;
95	if (!(val_str = g_hash_table_lookup(hash, p->id)))
96	/* Not specified. */
97	continue;
98	val_int = strtoll(val_str, &conv, 10);
99	if (!conv \|\| conv == val_str) {
100	g_critical("Protocol decoder '%s' probes '%s' "
101	"is not a number.", dec->name, p->id);
102	ret = FALSE;
103	break;
104	}
105	gvar = g_variant_new_int32(val_int);
106	g_variant_ref_sink(gvar);
107	g_hash_table_insert(*probes, g_strdup(p->id), gvar);
108	g_hash_table_remove(hash, p->id);
109	}
110	g_slist_free(all_probes);
111
112	return ret;
113	}
114
115	/* Register the given PDs for this session.
116	* Accepts a string of the form: "spi:sck=3:sdata=4,spi:sck=3:sdata=5"
117	* That will instantiate two SPI decoders on the clock but different data
118	* lines.
119	*/
26c63758	120	int register_pds(const char opt_pds, char opt_pd_annotations)
2be182e6 BV	121	{
	122	struct srd_decoder *dec;
	123	GHashTable pd_opthash, options, *probes;
	124	GList leftover, l;
	125	struct srd_decoder_inst *di;
	126	int ret;
	127	char pdtokens, pdtok, *pd_name;
	128
	129	pd_ann_visible = g_hash_table_new_full(g_str_hash, g_int_equal,
	130	g_free, NULL);
	131	ret = 0;
	132	pd_name = NULL;
	133	pd_opthash = options = probes = NULL;
26c63758	134	pdtokens = g_strsplit(opt_pds, ",", 0);
2be182e6 BV	135	for (pdtok = pdtokens; *pdtok; pdtok++) {
	136	if (!(pd_opthash = parse_generic_arg(*pdtok, TRUE))) {
	137	g_critical("Invalid protocol decoder option '%s'.", *pdtok);
	138	break;
	139	}
	140
	141	pd_name = g_strdup(g_hash_table_lookup(pd_opthash, "sigrok_key"));
	142	g_hash_table_remove(pd_opthash, "sigrok_key");
	143	if (srd_decoder_load(pd_name) != SRD_OK) {
	144	g_critical("Failed to load protocol decoder %s.", pd_name);
	145	ret = 1;
	146	break;
	147	}
	148	dec = srd_decoder_get_by_id(pd_name);
	149
	150	/* Convert decoder option and probe values to GVariant. */
	151	if (!opts_to_gvar(dec, pd_opthash, &options)) {
	152	ret = 1;
	153	break;
	154	}
	155	if (!probes_to_gvar(dec, pd_opthash, &probes)) {
	156	ret = 1;
	157	break;
	158	}
	159	if (g_hash_table_size(pd_opthash) > 0) {
	160	leftover = g_hash_table_get_keys(pd_opthash);
	161	for (l = leftover; l; l = l->next)
	162	g_critical("Unknown option or probe '%s'", (char *)l->data);
	163	g_list_free(leftover);
	164	break;
	165	}
	166
	167	if (!(di = srd_inst_new(srd_sess, pd_name, options))) {
	168	g_critical("Failed to instantiate protocol decoder %s.", pd_name);
	169	ret = 1;
	170	break;
	171	}
	172
	173	/* If no annotation list was specified, add them all in now.
	174	* This will be pared down later to leave only the last PD
	175	* in the stack.
	176	*/
	177	if (!opt_pd_annotations)
	178	g_hash_table_insert(pd_ann_visible,
	179	g_strdup(di->inst_id), GINT_TO_POINTER(-1));
	180
	181	/* Remap the probes if needed. */
	182	if (srd_inst_probe_set_all(di, probes) != SRD_OK) {
	183	ret = 1;
	184	break;
	185	}
	186	}
	187
	188	g_strfreev(pdtokens);
	189	if (pd_opthash)
	190	g_hash_table_destroy(pd_opthash);
	191	if (options)
	192	g_hash_table_destroy(options);
	193	if (probes)
	194	g_hash_table_destroy(probes);
	195	if (pd_name)
	196	g_free(pd_name);
	197
	198	return ret;
199	}
200
26c63758	201	int setup_pd_stack(char opt_pds, char opt_pd_stack, char *opt_pd_annotations)
2be182e6 BV	202	{
	203	struct srd_decoder_inst di_from, di_to;
	204	int ret, i;
	205	char pds, ids;
	206
	207	/* Set up the protocol decoder stack. */
	208	pds = g_strsplit(opt_pds, ",", 0);
	209	if (g_strv_length(pds) > 1) {
	210	if (opt_pd_stack) {
	211	/* A stack setup was specified, use that. */
	212	g_strfreev(pds);
	213	pds = g_strsplit(opt_pd_stack, ",", 0);
	214	if (g_strv_length(pds) < 2) {
	215	g_strfreev(pds);
	216	g_critical("Specify at least two protocol decoders to stack.");
	217	return 1;
	218	}
	219	}
	220
	221	/* First PD goes at the bottom of the stack. */
	222	ids = g_strsplit(pds[0], ":", 0);
	223	if (!(di_from = srd_inst_find_by_id(srd_sess, ids[0]))) {
	224	g_strfreev(ids);
	225	g_critical("Cannot stack protocol decoder '%s': "
	226	"instance not found.", pds[0]);
	227	return 1;
	228	}
	229	g_strfreev(ids);
	230
	231	/* Every subsequent PD goes on top. */
	232	for (i = 1; pds[i]; i++) {
	233	ids = g_strsplit(pds[i], ":", 0);
	234	if (!(di_to = srd_inst_find_by_id(srd_sess, ids[0]))) {
	235	g_strfreev(ids);
	236	g_critical("Cannot stack protocol decoder '%s': "
	237	"instance not found.", pds[i]);
	238	return 1;
	239	}
	240	g_strfreev(ids);
	241	if ((ret = srd_inst_stack(srd_sess, di_from, di_to)) != SRD_OK)
	242	return 1;
	243
	244	/* Don't show annotation from this PD. Only the last PD in
	245	* the stack will be left on the annotation list (unless
	246	* the annotation list was specifically provided).
	247	*/
	248	if (!opt_pd_annotations)
	249	g_hash_table_remove(pd_ann_visible,
	250	di_from->inst_id);
	251
	252	di_from = di_to;
	253	}
	254	}
	255	g_strfreev(pds);
	256
	257	return 0;
	258	}
	259
26c63758	260	int setup_pd_annotations(char *opt_pd_annotations)
2be182e6 BV	261	{
	262	GSList *l;
	263	struct srd_decoder *dec;
	264	int ann_class;
	265	char pds, pdtok, keyval, ann_descr;
	266
	267	/* Set up custom list of PDs and annotations to show. */
	268	pds = g_strsplit(opt_pd_annotations, ",", 0);
	269	for (pdtok = pds; pdtok && *pdtok; pdtok++) {
	270	keyval = g_strsplit(*pdtok, "=", 0);
	271	if (!(dec = srd_decoder_get_by_id(keyval[0]))) {
	272	g_critical("Protocol decoder '%s' not found.", keyval[0]);
	273	return 1;
	274	}
	275	if (!dec->annotations) {
	276	g_critical("Protocol decoder '%s' has no annotations.", keyval[0]);
	277	return 1;
	278	}
	279	ann_class = 0;
	280	if (g_strv_length(keyval) == 2) {
	281	for (l = dec->annotations; l; l = l->next, ann_class++) {
	282	ann_descr = l->data;
	283	if (!canon_cmp(ann_descr[0], keyval[1]))
	284	/* Found it. */
	285	break;
	286	}
	287	if (!l) {
	288	g_critical("Annotation '%s' not found "
	289	"for protocol decoder '%s'.", keyval[1], keyval[0]);
	290	return 1;
	291	}
	292	g_debug("cli: Showing protocol decoder %s annotation "
	293	"class %d (%s).", keyval[0], ann_class, ann_descr[0]);
	294	} else {
	295	/* No class specified: show all of them. */
	296	ann_class = -1;
	297	g_debug("cli: Showing all annotation classes for protocol "
	298	"decoder %s.", keyval[0]);
	299	}
	300	g_hash_table_insert(pd_ann_visible, g_strdup(keyval[0]), GINT_TO_POINTER(ann_class));
	301	g_strfreev(keyval);
	302	}
	303	g_strfreev(pds);
	304
	305	return 0;
	306	}
	307
26c63758	308	int setup_pd_meta(char *opt_pd_meta)
2be182e6 BV	309	{
	310	struct srd_decoder *dec;
	311	char pds, pdtok;
	312
	313	pd_meta_visible = g_hash_table_new_full(g_str_hash, g_int_equal,
	314	g_free, NULL);
	315	pds = g_strsplit(opt_pd_meta, ",", 0);
	316	for (pdtok = pds; pdtok && *pdtok; pdtok++) {
	317	if (!(dec = srd_decoder_get_by_id(*pdtok))) {
	318	g_critical("Protocol decoder '%s' not found.", *pdtok);
	319	return 1;
	320	}
	321	g_debug("cli: Showing protocol decoder meta output from '%s'.", *pdtok);
	322	g_hash_table_insert(pd_meta_visible, g_strdup(*pdtok), NULL);
	323	}
	324	g_strfreev(pds);
	325
	326	return 0;
	327	}
	328
26c63758	329	int setup_pd_binary(char *opt_pd_binary)
2be182e6 BV	330	{
	331	GSList *l;
	332	struct srd_decoder *dec;
	333	int bin_class;
5ff52594	334	char pds, pdtok, keyval, bin_name;
2be182e6 BV	335
	336	pd_binary_visible = g_hash_table_new_full(g_str_hash, g_int_equal,
	337	g_free, NULL);
	338	pds = g_strsplit(opt_pd_binary, ",", 0);
	339	for (pdtok = pds; pdtok && *pdtok; pdtok++) {
	340	keyval = g_strsplit(*pdtok, "=", 0);
	341	if (!(dec = srd_decoder_get_by_id(keyval[0]))) {
	342	g_critical("Protocol decoder '%s' not found.", keyval[0]);
	343	return 1;
	344	}
	345	if (!dec->binary) {
	346	g_critical("Protocol decoder '%s' has no binary output.", keyval[0]);
	347	return 1;
	348	}
	349	bin_class = 0;
	350	if (g_strv_length(keyval) == 2) {
	351	for (l = dec->binary; l; l = l->next, bin_class++) {
	352	bin_name = l->data;
5ff52594	353	if (!strcmp(bin_name[0], keyval[1]))
2be182e6 BV	354	/* Found it. */
	355	break;
	356	}
	357	if (!l) {
	358	g_critical("binary output '%s' not found "
	359	"for protocol decoder '%s'.", keyval[1], keyval[0]);
	360	return 1;
	361	}
	362	g_debug("cli: Showing protocol decoder %s binary class "
5ff52594	363	"%d (%s).", keyval[0], bin_class, bin_name[0]);
2be182e6 BV	364	} else {
	365	/* No class specified: output all of them. */
	366	bin_class = -1;
	367	g_debug("cli: Showing all binary classes for protocol "
	368	"decoder %s.", keyval[0]);
	369	}
	370	g_hash_table_insert(pd_binary_visible, g_strdup(keyval[0]), GINT_TO_POINTER(bin_class));
	371	g_strfreev(keyval);
	372	}
	373	g_strfreev(pds);
	374
	375	return 0;
	376	}
	377
	378	void show_pd_annotations(struct srd_proto_data pdata, void cb_data)
	379	{
6fdcc67d	380	struct srd_decoder *dec;
2be182e6 BV	381	struct srd_proto_data_annotation *pda;
2be182e6 BV	382	gpointer ann_format;
6fdcc67d BV	383	int format, i;
6fdcc67d BV	384	char **ann_descr;
2be182e6 BV	385
	386	/* 'cb_data' is not used in this specific callback. */
	387	(void)cb_data;
	388
	389	if (!pd_ann_visible)
	390	return;
	391
	392	if (!g_hash_table_lookup_extended(pd_ann_visible, pdata->pdo->di->inst_id,
	393	NULL, &ann_format))
	394	/* Not in the list of PDs whose annotations we're showing. */
	395	return;
	396
	397	format = GPOINTER_TO_INT(ann_format);
6fdcc67d	398	dec = pdata->pdo->di->decoder;
2be182e6 BV	399	pda = pdata->data;
	400	if (format != -1 && pda->ann_format != format)
	401	/* We don't want this particular format from the PD. */
	402	return;
	403
6fdcc67d BV	404	if (opt_loglevel <= SR_LOG_WARN) {
6fdcc67d BV	405	/* Show only the longest annotation. */
6d1dbe35	406	printf("%s", pda->ann_text[0]);
6fdcc67d BV	407	} else if (opt_loglevel >= SR_LOG_INFO) {
6fdcc67d BV	408	/* Sample numbers and quotes around the longest annotation. */
6d1dbe35	409	printf("%"PRIu64"-%"PRIu64"", pdata->start_sample, pdata->end_sample);
6fdcc67d	410	if (opt_loglevel == SR_LOG_INFO) {
6d1dbe35	411	printf(" \"%s\"", pda->ann_text[0]);
6fdcc67d BV	412	} else {
	413	/* Protocol decoder id, annotation class,
	414	* all annotation strings. */
	415	ann_descr = g_slist_nth_data(dec->annotations, pda->ann_format);
6d1dbe35	416	printf(" %s: %s:", pdata->pdo->proto_id, ann_descr[0]);
6fdcc67d	417	for (i = 0; pda->ann_text[i]; i++)
6d1dbe35	418	printf(" \"%s\"", pda->ann_text[i]);
6fdcc67d BV	419	}
6fdcc67d BV	420	}
2be182e6 BV	421	printf("\n");
	422	fflush(stdout);
	423	}
	424
	425	void show_pd_meta(struct srd_proto_data pdata, void cb_data)
	426	{
	427
	428	/* 'cb_data' is not used in this specific callback. */
	429	(void)cb_data;
	430
	431	if (!g_hash_table_lookup_extended(pd_meta_visible,
	432	pdata->pdo->di->decoder->id, NULL, NULL))
	433	/* Not in the list of PDs whose meta output we're showing. */
	434	return;
	435
	436	if (opt_loglevel > SR_LOG_WARN)
	437	printf("%"PRIu64"-%"PRIu64" ", pdata->start_sample, pdata->end_sample);
	438	printf("%s: ", pdata->pdo->proto_id);
	439	printf("%s: %s", pdata->pdo->meta_name, g_variant_print(pdata->data, FALSE));
	440	printf("\n");
	441	fflush(stdout);
	442	}
	443
	444	void show_pd_binary(struct srd_proto_data pdata, void cb_data)
	445	{
	446	struct srd_proto_data_binary *pdb;
	447	gpointer classp;
	448	int class;
	449
	450	/* 'cb_data' is not used in this specific callback. */
	451	(void)cb_data;
	452
	453	if (!g_hash_table_lookup_extended(pd_binary_visible,
	454	pdata->pdo->di->decoder->id, NULL, (void **)&classp))
	455	/* Not in the list of PDs whose meta output we're showing. */
	456	return;
	457
	458	class = GPOINTER_TO_INT(classp);
	459	pdb = pdata->data;
	460	if (class != -1 && class != pdb->bin_class)
	461	/* Not showing this binary class. */
	462	return;
	463
	464	/* Just send the binary output to stdout, no embellishments. */
	465	fwrite(pdb->data, pdb->size, 1, stdout);
	466	fflush(stdout);
	467	}
	468	#endif
	469