+/*
+ * This file is part of the libsigrokdecode 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 "../libsigrokdecode.h"
+#include <libsigrok/libsigrok.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <glib.h>
+#ifdef __LINUX__
+#include <sched.h>
+#endif
+#include "../config.h"
+
+
+int debug = FALSE;
+int statistics = FALSE;
+
+struct probe {
+ char *name;
+ int probe;
+};
+
+struct option {
+ char *key;
+ char *value;
+};
+
+struct pd {
+ char *name;
+ GSList *probes;
+ GSList *options;
+};
+
+struct output {
+ char *pd;
+ int type;
+ char *class;
+ int class_idx;
+ char *outfile;
+ int outfd;
+};
+
+
+void logmsg(char *prefix, FILE *out, const char *format, va_list args)
+{
+ if (prefix)
+ fprintf(out, "%s", prefix);
+ vfprintf(out, format, args);
+ fprintf(out, "\n");
+}
+
+void DBG(const char *format, ...)
+{
+ va_list args;
+
+ if (!debug)
+ return;
+ va_start(args, format);
+ logmsg("DBG: ", stdout, format, args);
+ va_end(args);
+}
+
+void ERR(const char *format, ...)
+{
+ va_list args;
+
+ va_start(args, format);
+ logmsg("Error: ", stderr, format, args);
+ va_end(args);
+}
+
+int srd_log(void *cb_data, int loglevel, const char *format, va_list args)
+{
+ (void)cb_data;
+
+ if (loglevel == SRD_LOG_ERR || loglevel == SRD_LOG_WARN)
+ logmsg("Error: srd: ", stderr, format, args);
+ else if (loglevel >= SRD_LOG_DBG && debug)
+ logmsg("DBG: srd: ", stdout, format, args);
+
+ return SRD_OK;
+}
+
+void usage(char *msg)
+{
+ if (msg)
+ fprintf(stderr, "%s\n", msg);
+
+ //while((c = getopt(argc, argv, "dP:p:o:i:O:f:S")) != -1) {
+ printf("Usage: runtc [-dPpoiOf]\n");
+ printf(" -d Debug\n");
+ printf(" -P <protocol decoder>\n");
+ printf(" -p <probename=probenum> (optional)\n");
+ printf(" -o <probeoption=value> (optional)\n");
+ printf(" -i <input file>\n");
+ printf(" -O <output-pd:output-type[:output-class]>\n");
+ printf(" -f <output file> (optional)\n");
+ exit(msg ? 1 : 0);
+
+}
+
+static void srd_cb_ann(struct srd_proto_data *pdata, void *cb_data)
+{
+ struct srd_decoder *dec;
+ struct srd_proto_data_annotation *pda;
+ struct output *op;
+ GString *line;
+ int i;
+ char **dec_ann;
+
+ DBG("Annotation from %s", pdata->pdo->di->inst_id);
+ op = cb_data;
+ pda = pdata->data;
+ dec = pdata->pdo->di->decoder;
+
+ if (strcmp(pdata->pdo->di->inst_id, op->pd))
+ /* This is not the PD selected for output. */
+ return;
+
+ if (op->class_idx != -1 && op->class_idx != pda->ann_format)
+ /* This output takes a specific annotation class,
+ * but not the one that just came in. */
+ return;
+
+ dec_ann = g_slist_nth_data(dec->annotations, pda->ann_format);
+ line = g_string_sized_new(256);
+ g_string_printf(line, "%"PRIu64"-%"PRIu64" %s: %s:",
+ pdata->start_sample, pdata->end_sample,
+ pdata->pdo->di->inst_id, dec_ann[0]);
+ for (i = 0; pda->ann_text[i]; i++)
+ g_string_append_printf(line, " \"%s\"", pda->ann_text[i]);
+ g_string_append(line, "\n");
+ if (write(op->outfd, line->str, line->len) == -1)
+ ERR("Oops!");
+ g_string_free(line, TRUE);
+
+}
+
+static void sr_cb(const struct sr_dev_inst *sdi,
+ const struct sr_datafeed_packet *packet, void *cb_data)
+{
+ const struct sr_datafeed_logic *logic;
+ struct srd_session *sess;
+ GVariant *gvar;
+ uint64_t samplerate;
+ int num_samples;
+ static int samplecnt = 0;
+
+ sess = cb_data;
+
+ switch (packet->type) {
+ case SR_DF_HEADER:
+ DBG("Received SR_DF_HEADER");
+ if (sr_config_get(sdi->driver, sdi, NULL, SR_CONF_SAMPLERATE,
+ &gvar) != SR_OK) {
+ ERR("Getting samplerate failed");
+ break;
+ }
+ samplerate = g_variant_get_uint64(gvar);
+ g_variant_unref(gvar);
+ if (srd_session_metadata_set(sess, SRD_CONF_SAMPLERATE,
+ g_variant_new_uint64(samplerate)) != SRD_OK) {
+ ERR("Setting samplerate failed");
+ break;
+ }
+ if (srd_session_start(sess) != SRD_OK) {
+ ERR("Session start failed");
+ break;
+ }
+ break;
+ case SR_DF_LOGIC:
+ logic = packet->payload;
+ num_samples = logic->length / logic->unitsize;
+ DBG("Received SR_DF_LOGIC: %d samples", num_samples);
+ srd_session_send(sess, samplecnt, samplecnt + num_samples,
+ logic->data, logic->length);
+ samplecnt += logic->length / logic->unitsize;
+ break;
+ case SR_DF_END:
+ DBG("Received SR_DF_END");
+ break;
+ }
+
+}
+
+int get_stats(int stats[2])
+{
+ FILE *f;
+ size_t len;
+ int tmp;
+ char *buf;
+
+ stats[0] = stats[1] = -1;
+ if (!(f = fopen("/proc/self/status", "r")))
+ return FALSE;
+ len = 128;
+ buf = malloc(len);
+ while (getline(&buf, &len, f) != -1) {
+ if (strcasestr(buf, "vmpeak:")) {
+ stats[0] = strtoul(buf + 10, NULL, 10);
+ } else if (strcasestr(buf, "vmsize:")) {
+ tmp = strtoul(buf + 10, NULL, 10);
+ if (tmp > stats[0])
+ stats[0] = tmp;
+ } else if (strcasestr(buf, "vmhwm:")) {
+ stats[1] = strtoul(buf + 6, NULL, 10);
+ } else if (strcasestr(buf, "vmrss:")) {
+ tmp = strtoul(buf + 10, NULL, 10);
+ if (tmp > stats[0])
+ stats[0] = tmp;
+ }
+ }
+ free(buf);
+ fclose(f);
+
+ return TRUE;
+}
+
+static int run_testcase(char *infile, GSList *pdlist, struct output *op)
+{
+ struct srd_session *sess;
+ struct srd_decoder *dec;
+ struct srd_decoder_inst *di, *prev_di;
+ struct pd *pd;
+ struct probe *probe;
+ struct option *option;
+ GVariant *gvar;
+ GHashTable *probes, *opts;
+ GSList *pdl, *l, *annl;
+ int idx;
+ char **dec_ann;
+
+ if (op->outfile) {
+ if ((op->outfd = open(op->outfile, O_CREAT|O_WRONLY, 0600)) == -1) {
+ ERR("Unable to open %s for writing: %s", op->outfile,
+ strerror(errno));
+ return FALSE;
+ }
+ }
+
+ if (sr_session_load(infile) != SR_OK)
+ return FALSE;
+
+ if (srd_session_new(&sess) != SRD_OK)
+ return FALSE;
+ sr_session_datafeed_callback_add(sr_cb, sess);
+ srd_pd_output_callback_add(sess, SRD_OUTPUT_ANN, srd_cb_ann, op);
+
+ prev_di = NULL;
+ pd = NULL;
+ for (pdl = pdlist; pdl; pdl = pdl->next) {
+ pd = pdl->data;
+ if (srd_decoder_load(pd->name) != SRD_OK)
+ return FALSE;
+
+ /* Instantiate decoder and pass in options. */
+ opts = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
+ (GDestroyNotify)g_variant_unref);
+ for (l = pd->options; l; l = l->next) {
+ option = l->data;
+ g_hash_table_insert(opts, option->key, option->value);
+ }
+ if (!(di = srd_inst_new(sess, pd->name, opts)))
+ return FALSE;
+ g_hash_table_destroy(opts);
+
+ /* Map probes. */
+ if (pd->probes) {
+ probes = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
+ (GDestroyNotify)g_variant_unref);
+ for (l = pd->probes; l; l = l->next) {
+ probe = l->data;
+ gvar = g_variant_new_int32(probe->probe);
+ g_variant_ref_sink(gvar);
+ g_hash_table_insert(probes, probe->name, gvar);
+ }
+ if (srd_inst_probe_set_all(di, probes) != SRD_OK)
+ return FALSE;
+ g_hash_table_destroy(probes);
+ }
+
+
+ /* If this is not the first decoder in the list, stack it
+ * on top of the previous one. */
+ if (prev_di) {
+ if (srd_inst_stack(sess, prev_di, di) != SRD_OK) {
+ ERR("Failed to stack decoder instances.");
+ return FALSE;
+ }
+ }
+ prev_di = di;
+ }
+
+ /* Resolve top decoder's class index, so we can match. */
+ dec = srd_decoder_get_by_id(pd->name);
+ if (op->class) {
+ if (op->type == SRD_OUTPUT_ANN)
+ annl = dec->annotations;
+ /* TODO can't dereference this for binary yet
+ else if (op->type == SRD_OUTPUT_BINARY)
+ annl = dec->binary;
+ */
+ else
+ /* Only annotations and binary for now. */
+ return FALSE;
+ idx = 0;
+ while(annl) {
+ dec_ann = annl->data;
+ /* TODO can't dereference this for binary yet */
+ if (!strcmp(dec_ann[0], op->class)) {
+ op->class_idx = idx;
+ break;
+ } else
+ idx++;
+ annl = annl->next;
+ }
+ if (op->class_idx == -1) {
+ ERR("Output class '%s' not found in decoder %s.",
+ op->class, pd->name);
+ return FALSE;
+ }
+ }
+
+ sr_session_start();
+ sr_session_run();
+ sr_session_stop();
+
+ srd_session_destroy(sess);
+
+ if (op->outfile)
+ close(op->outfd);
+
+ return TRUE;
+}
+
+int main(int argc, char **argv)
+{
+ struct sr_context *ctx;
+ GSList *pdlist;
+ struct pd *pd;
+ struct probe *probe;
+ struct option *option;
+ struct output *op;
+ char c, *opt_infile, **kv, **opstr;
+
+ op = malloc(sizeof(struct output));
+ op->pd = NULL;
+ op->type = -1;
+ op->class = NULL;
+ op->class_idx = -1;
+ op->outfd = 1;
+
+ pdlist = NULL;
+ opt_infile = NULL;
+ pd = NULL;
+ while((c = getopt(argc, argv, "dP:p:o:i:O:f:S")) != -1) {
+ switch(c) {
+ case 'd':
+ debug = TRUE;
+ break;
+ case 'P':
+ pd = g_malloc(sizeof(struct pd));
+ pd->name = g_strdup(optarg);
+ pd->probes = pd->options = NULL;
+ pdlist = g_slist_append(pdlist, pd);
+ break;
+ case 'p':
+ case 'o':
+ if (g_slist_length(pdlist) == 0) {
+ /* No previous -P. */
+ ERR("Syntax error at '%s'", optarg);
+ usage(NULL);
+ }
+ kv = g_strsplit(optarg, "=", 0);
+ if (!kv[0] || (!kv[1] || kv[2])) {
+ /* Need x=y. */
+ ERR("Syntax error at '%s'", optarg);
+ g_strfreev(kv);
+ usage(NULL);
+ }
+ if (c == 'p') {
+ probe = malloc(sizeof(struct probe));
+ probe->name = g_strdup(kv[0]);
+ probe->probe = strtoul(kv[1], 0, 10);
+ /* Apply to last PD. */
+ pd->probes = g_slist_append(pd->probes, probe);
+ } else {
+ option = malloc(sizeof(struct option));
+ option->key = g_strdup(kv[0]);
+ option->value = g_strdup(kv[1]);
+ /* Apply to last PD. */
+ pd->options = g_slist_append(pd->options, option);
+ }
+ break;
+ case 'i':
+ opt_infile = optarg;
+ break;
+ case 'O':
+ opstr = g_strsplit(optarg, ":", 0);
+ if (!opstr[0] || !opstr[1]) {
+ /* Need at least abc:def. */
+ ERR("Syntax error at '%s'", optarg);
+ g_strfreev(opstr);
+ usage(NULL);
+ }
+ op->pd = g_strdup(opstr[0]);
+ if (!strcmp(opstr[1], "annotation"))
+ op->type = SRD_OUTPUT_ANN;
+ else if (!strcmp(opstr[1], "binary"))
+ op->type = SRD_OUTPUT_BINARY;
+ else if (!strcmp(opstr[1], "python"))
+ op->type = SRD_OUTPUT_PYTHON;
+ else {
+ ERR("Unknown output type '%s'", opstr[1]);
+ g_strfreev(opstr);
+ usage(NULL);
+ }
+ if (opstr[2])
+ op->class = g_strdup(opstr[2]);
+ g_strfreev(opstr);
+ break;
+ case 'f':
+ op->outfile = g_strdup(optarg);
+ op->outfd = -1;
+ break;
+ case 'S':
+ statistics = TRUE;
+ break;
+ default:
+ usage(NULL);
+ }
+ }
+ if (argc > optind)
+ usage(NULL);
+ if (g_slist_length(pdlist) == 0)
+ usage(NULL);
+ if (!opt_infile)
+ usage(NULL);
+ if (!op->pd || op->type == -1)
+ usage(NULL);
+
+ if (sr_init(&ctx) != SR_OK)
+ return 1;
+
+ srd_log_callback_set(srd_log, NULL);
+ if (srd_init(NULL) != SRD_OK)
+ return 1;
+
+ run_testcase(opt_infile, pdlist, op);
+
+ srd_exit();
+ sr_exit(ctx);
+
+ return 0;
+}
+
+
projects / libsigrokdecode.git / commitdiff