static int init(struct sr_input *in)
{
int num_probes, i;
char name[SR_MAX_PROBENAME_LEN];
if (in->param && in->param[0]) {
num_probes = strtoul(in->param, NULL, 10);
if (num_probes < 1) {
sr_warn("la8input: %s: strtoul failed", __func__);
return SR_ERR;
}
} else {
num_probes = DEFAULT_NUM_PROBES;
}
/* Create a virtual device. */
in->vdevice = sr_device_new(NULL, 0);
for (i = 0; i < num_probes; i++) {
snprintf(name, SR_MAX_PROBENAME_LEN, "%d", i);
sr_device_probe_add(in->vdevice, name); /* TODO: Check return value. */
}
return SR_OK;
}
int sr_session_load(const char *filename)
{
GKeyFile *kf;
GPtrArray *capturefiles;
struct zip *archive;
struct zip_file *zf;
struct zip_stat zs;
struct sr_session *session;
struct sr_device *device;
struct sr_probe *probe;
int ret, err, probenum, devcnt, i, j;
uint64_t tmp_u64, total_probes, enabled_probes, p;
char **sections, **keys, *metafile, *val, c;
if (!(archive = zip_open(filename, 0, &err))) {
sr_dbg("Failed to open session file: zip error %d", err);
return SR_ERR;
}
/* check "version" */
if (!(zf = zip_fopen(archive, "version", 0))) {
sr_dbg("Not a sigrok session file.");
return SR_ERR;
}
ret = zip_fread(zf, &c, 1);
if (ret != 1 || c != '1') {
sr_dbg("Not a valid sigrok session file.");
return SR_ERR;
}
zip_fclose(zf);
/* read "metadata" */
if (zip_stat(archive, "metadata", 0, &zs) == -1) {
sr_dbg("Not a valid sigrok session file.");
return SR_ERR;
}
if (!(metafile = g_try_malloc(zs.size))) {
sr_err("session file: %s: metafile malloc failed", __func__);
return SR_ERR_MALLOC;
}
zf = zip_fopen_index(archive, zs.index, 0);
zip_fread(zf, metafile, zs.size);
zip_fclose(zf);
kf = g_key_file_new();
if (!g_key_file_load_from_data(kf, metafile, zs.size, 0, NULL)) {
sr_dbg("Failed to parse metadata.");
return SR_ERR;
}
session = sr_session_new();
devcnt = 0;
capturefiles = g_ptr_array_new_with_free_func(g_free);
sections = g_key_file_get_groups(kf, NULL);
for (i = 0; sections[i]; i++) {
if (!strcmp(sections[i], "global"))
/* nothing really interesting in here yet */
continue;
if (!strncmp(sections[i], "device ", 7)) {
/* device section */
device = NULL;
enabled_probes = 0;
keys = g_key_file_get_keys(kf, sections[i], NULL, NULL);
for (j = 0; keys[j]; j++) {
val = g_key_file_get_string(kf, sections[i], keys[j], NULL);
if (!strcmp(keys[j], "capturefile")) {
device = sr_device_new(&session_driver, devcnt, 0);
if (devcnt == 0)
/* first device, init the plugin */
device->plugin->init((char *)filename);
sr_session_device_add(device);
device->plugin->set_configuration(devcnt, SR_HWCAP_CAPTUREFILE, val);
g_ptr_array_add(capturefiles, val);
} else if (!strcmp(keys[j], "samplerate")) {
tmp_u64 = sr_parse_sizestring(val);
device->plugin->set_configuration(devcnt, SR_HWCAP_SAMPLERATE, &tmp_u64);
} else if (!strcmp(keys[j], "unitsize")) {
tmp_u64 = strtoull(val, NULL, 10);
device->plugin->set_configuration(devcnt, SR_HWCAP_CAPTURE_UNITSIZE, &tmp_u64);
} else if (!strcmp(keys[j], "total probes")) {
total_probes = strtoull(val, NULL, 10);
device->plugin->set_configuration(devcnt, SR_HWCAP_CAPTURE_NUM_PROBES, &total_probes);
for (p = 1; p <= total_probes; p++)
sr_device_probe_add(device, NULL);
} else if (!strncmp(keys[j], "probe", 5)) {
if (!device)
continue;
enabled_probes++;
tmp_u64 = strtoul(keys[j]+5, NULL, 10);
sr_device_probe_name(device, tmp_u64, val);
} else if (!strncmp(keys[j], "trigger", 7)) {
probenum = strtoul(keys[j]+7, NULL, 10);
sr_device_trigger_set(device, probenum, val);
}
}
g_strfreev(keys);
for (p = enabled_probes; p < total_probes; p++) {
probe = g_slist_nth_data(device->probes, p);
probe->enabled = FALSE;
}
}
}
g_strfreev(sections);
g_key_file_free(kf);
return SR_OK;
}
