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DSView/libsigrok4DSL/session_file.c
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2021-09-30 11:40:45 +08:00

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/*
* This file is part of the libsigrok 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 "libsigrok.h"
#include "libsigrok-internal.h"
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <zip.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <glib.h>
#include <glib/gstdio.h>
#include "config.h" /* Needed for PACKAGE_VERSION and others. */
/* Message logging helpers with subsystem-specific prefix string. */
#define LOG_PREFIX "session-file: "
#define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args)
#define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args)
#define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args)
#define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args)
#define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
#define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
/**
* @file
*
* Loading and saving libsigrok session files.
*/
/**
* @addtogroup grp_session
*
* @{
*/
extern struct sr_session *session;
extern SR_PRIV struct sr_dev_driver session_driver;
/** @private */
SR_PRIV int sr_sessionfile_check(const char *filename)
{
struct stat st;
struct zip *archive;
struct zip_file *zf;
struct zip_stat zs;
int version, ret;
char s[11];
if (!filename)
return SR_ERR_ARG;
if (stat(filename, &st) == -1) {
sr_err("Couldn't stat %s: %s", filename, strerror(errno));
return SR_ERR;
}
if (!(archive = zip_open(filename, 0, &ret)))
/* No logging: this can be used just to check if it's
* a sigrok session file or not. */
return SR_ERR;
/* check "version" */
version = 0;
if (!(zf = zip_fopen(archive, "version", 0))) {
sr_dbg("Not a sigrok session file: no version found.");
return SR_ERR;
}
if ((ret = zip_fread(zf, s, 10)) == -1)
return SR_ERR;
zip_fclose(zf);
s[ret] = 0;
version = strtoull(s, NULL, 10);
if (version > 2) {
sr_dbg("Cannot handle sigrok session file version %d.", version);
return SR_ERR;
}
sr_spew("Detected sigrok session file version %d.", version);
/* read "metadata" */
if (zip_stat(archive, "metadata", 0, &zs) == -1) {
sr_dbg("Not a valid sigrok session file.");
return SR_ERR;
}
if ((ret = zip_close(archive)) == -1) {
sr_info("error saving session file: %s", zip_strerror(archive));
return SR_ERR;
}
return SR_OK;
}
/**
* Load the session from the specified filename.
*
* @param filename The name of the session file to load. Must not be NULL.
*
* @return SR_OK upon success, SR_ERR_ARG upon invalid arguments,
* SR_ERR_MALLOC upon memory allocation errors, or SR_ERR upon
* other errors.
*/
SR_API int sr_session_load(const char *filename)
{
GKeyFile *kf;
GPtrArray *capturefiles;
struct zip *archive;
struct zip_file *zf;
struct zip_stat zs;
struct sr_dev_inst *sdi;
struct sr_channel *probe;
int ret, devcnt, i, j;
uint16_t probenum;
uint64_t tmp_u64, total_probes, enabled_probes;
uint16_t p;
int64_t tmp_64;
char **sections, **keys, *metafile, *val;
char probename[SR_MAX_PROBENAME_LEN + 1];
int mode = LOGIC;
int channel_type = SR_CHANNEL_LOGIC;
double tmp_double;
int version = 1;
if (!filename) {
sr_err("%s: filename was NULL", __func__);
return SR_ERR_ARG;
}
if (!(archive = zip_open(filename, 0, &ret))) {
sr_dbg("Failed to open session file: zip error %d", ret);
return SR_ERR;
}
/* read "metadata" */
if (zip_stat(archive, "header", 0, &zs) == -1) {
sr_dbg("Not a valid DSView data file.");
return SR_ERR;
}
if (!(metafile = g_try_malloc(zs.size))) {
sr_err("%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;
}
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], "version")) {
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], "version")) {
version = strtoull(val, NULL, 10);
}
}
}
if (!strncmp(sections[i], "header", 6)) {
/* device section */
sdi = NULL;
enabled_probes = total_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], "device mode")) {
mode = strtoull(val, NULL, 10);
} else if (!strcmp(keys[j], "capturefile")) {
sdi = sr_dev_inst_new(mode, devcnt, SR_ST_ACTIVE, NULL, NULL, NULL);
sdi->driver = &session_driver;
if (devcnt == 0)
/* first device, init the driver */
sdi->driver->init(NULL);
sr_dev_open(sdi);
sr_session_dev_add(sdi);
sdi->driver->config_set(SR_CONF_SESSIONFILE,
g_variant_new_bytestring(filename), sdi, NULL, NULL);
sdi->driver->config_set(SR_CONF_CAPTUREFILE,
g_variant_new_bytestring(val), sdi, NULL, NULL);
g_ptr_array_add(capturefiles, val);
sdi->driver->config_set(SR_CONF_FILE_VERSION,
g_variant_new_int16(version), sdi, NULL, NULL);
} else if (!strcmp(keys[j], "samplerate")) {
sr_parse_sizestring(val, &tmp_u64);
sdi->driver->config_set(SR_CONF_SAMPLERATE,
g_variant_new_uint64(tmp_u64), sdi, NULL, NULL);
} else if (!strcmp(keys[j], "total samples")) {
tmp_u64 = strtoull(val, NULL, 10);
sdi->driver->config_set(SR_CONF_LIMIT_SAMPLES,
g_variant_new_uint64(tmp_u64), sdi, NULL, NULL);
} else if (!strcmp(keys[j], "hDiv")) {
tmp_u64 = strtoull(val, NULL, 10);
sdi->driver->config_set(SR_CONF_TIMEBASE,
g_variant_new_uint64(tmp_u64), sdi, NULL, NULL);
} else if (!strcmp(keys[j], "hDiv min")) {
tmp_u64 = strtoull(val, NULL, 10);
sdi->driver->config_set(SR_CONF_MIN_TIMEBASE,
g_variant_new_uint64(tmp_u64), sdi, NULL, NULL);
} else if (!strcmp(keys[j], "hDiv max")) {
tmp_u64 = strtoull(val, NULL, 10);
sdi->driver->config_set(SR_CONF_MAX_TIMEBASE,
g_variant_new_uint64(tmp_u64), sdi, NULL, NULL);
} else if (!strcmp(keys[j], "bits")) {
tmp_u64 = strtoull(val, NULL, 10);
sdi->driver->config_set(SR_CONF_UNIT_BITS,
g_variant_new_byte(tmp_u64), sdi, NULL, NULL);
} else if (!strcmp(keys[j], "ref min")) {
tmp_u64 = strtoull(val, NULL, 10);
sdi->driver->config_set(SR_CONF_REF_MIN,
g_variant_new_uint32(tmp_u64), sdi, NULL, NULL);
} else if (!strcmp(keys[j], "ref max")) {
tmp_u64 = strtoull(val, NULL, 10);
sdi->driver->config_set(SR_CONF_REF_MAX,
g_variant_new_uint32(tmp_u64), sdi, NULL, NULL);
} else if (!strcmp(keys[j], "trigger time")) {
tmp_64 = strtoll(val, NULL, 10);
sdi->driver->config_set(SR_CONF_TRIGGER_TIME,
g_variant_new_int64(tmp_64), sdi, NULL, NULL);
} else if (!strcmp(keys[j], "trigger pos")) {
tmp_u64 = strtoull(val, NULL, 10);
sdi->driver->config_set(SR_CONF_TRIGGER_POS,
g_variant_new_uint64(tmp_u64), sdi, NULL, NULL);
} else if (!strcmp(keys[j], "total blocks")) {
tmp_u64 = strtoull(val, NULL, 10);
sdi->driver->config_set(SR_CONF_NUM_BLOCKS,
g_variant_new_uint64(tmp_u64), sdi, NULL, NULL);
} else if (!strcmp(keys[j], "total probes")) {
total_probes = strtoull(val, NULL, 10);
sdi->driver->config_set(SR_CONF_CAPTURE_NUM_PROBES,
g_variant_new_uint64(total_probes), sdi, NULL, NULL);
if (version == 1) {
channel_type = (mode == DSO) ? SR_CHANNEL_DSO :
(mode == ANALOG) ? SR_CHANNEL_ANALOG : SR_CHANNEL_LOGIC;
for (p = 0; p < total_probes; p++) {
snprintf(probename, SR_MAX_PROBENAME_LEN, "%u", p);
if (!(probe = sr_channel_new(p, channel_type, FALSE,
probename)))
return SR_ERR;
sdi->channels = g_slist_append(sdi->channels, probe);
}
}
} else if (!strncmp(keys[j], "probe", 5)) {
if (!sdi)
continue;
enabled_probes++;
tmp_u64 = strtoul(keys[j]+5, NULL, 10);
/* sr_session_save() */
if (version == 1) {
sr_dev_probe_name_set(sdi, tmp_u64, val);
sr_dev_probe_enable(sdi, tmp_u64, TRUE);
} else if (version == 2) {
channel_type = (mode == DSO) ? SR_CHANNEL_DSO :
(mode == ANALOG) ? SR_CHANNEL_ANALOG : SR_CHANNEL_LOGIC;
if (!(probe = sr_channel_new(tmp_u64, channel_type, TRUE,
val)))
return SR_ERR;
sdi->channels = g_slist_append(sdi->channels, probe);
}
} else if (!strncmp(keys[j], "trigger", 7)) {
probenum = strtoul(keys[j]+7, NULL, 10);
sr_dev_trigger_set(sdi, probenum, val);
} else if (!strncmp(keys[j], "enable", 6)) {
if (mode != LOGIC)
continue;
probenum = strtoul(keys[j]+6, NULL, 10);
tmp_u64 = strtoull(val, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_PROBE_EN,
g_variant_new_boolean(tmp_u64), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "coupling", 8)) {
probenum = strtoul(keys[j]+8, NULL, 10);
tmp_u64 = strtoull(val, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_PROBE_COUPLING,
g_variant_new_byte(tmp_u64), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "vDiv", 4)) {
probenum = strtoul(keys[j]+4, NULL, 10);
tmp_u64 = strtoull(val, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_PROBE_VDIV,
g_variant_new_uint64(tmp_u64), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "vFactor", 7)) {
probenum = strtoul(keys[j]+7, NULL, 10);
tmp_u64 = strtoull(val, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_PROBE_FACTOR,
g_variant_new_uint64(tmp_u64), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "vOffset", 7)) {
probenum = strtoul(keys[j]+7, NULL, 10);
tmp_u64 = strtoull(val, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_PROBE_HW_OFFSET,
g_variant_new_uint16(tmp_u64), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "vTrig", 5)) {
probenum = strtoul(keys[j]+5, NULL, 10);
tmp_u64 = strtoull(val, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_TRIGGER_VALUE,
g_variant_new_byte(tmp_u64), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "period", 6)) {
probenum = strtoul(keys[j]+6, NULL, 10);
tmp_u64 = strtoull(val, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_STATUS_PERIOD,
g_variant_new_uint32(tmp_u64), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "pcnt", 4)) {
probenum = strtoul(keys[j]+4, NULL, 10);
tmp_u64 = strtoull(val, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_STATUS_PCNT,
g_variant_new_uint32(tmp_u64), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "max", 3)) {
probenum = strtoul(keys[j]+3, NULL, 10);
tmp_u64 = strtoull(val, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_STATUS_MAX,
g_variant_new_byte(tmp_u64), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "min", 3)) {
probenum = strtoul(keys[j]+3, NULL, 10);
tmp_u64 = strtoull(val, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_STATUS_MIN,
g_variant_new_byte(tmp_u64), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "plen", 4)) {
probenum = strtoul(keys[j]+4, NULL, 10);
tmp_u64 = strtoull(val, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_STATUS_PLEN,
g_variant_new_uint32(tmp_u64), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "llen", 4)) {
probenum = strtoul(keys[j]+4, NULL, 10);
tmp_u64 = strtoull(val, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_STATUS_LLEN,
g_variant_new_uint32(tmp_u64), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "level", 5)) {
probenum = strtoul(keys[j]+5, NULL, 10);
tmp_u64 = strtoull(val, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_STATUS_LEVEL,
g_variant_new_boolean(tmp_u64), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "plevel", 6)) {
probenum = strtoul(keys[j]+6, NULL, 10);
tmp_u64 = strtoull(val, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_STATUS_PLEVEL,
g_variant_new_boolean(tmp_u64), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "low", 3)) {
probenum = strtoul(keys[j]+3, NULL, 10);
tmp_u64 = strtoull(val, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_STATUS_LOW,
g_variant_new_byte(tmp_u64), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "high", 4)) {
probenum = strtoul(keys[j]+4, NULL, 10);
tmp_u64 = strtoull(val, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_STATUS_HIGH,
g_variant_new_byte(tmp_u64), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "rlen", 4)) {
probenum = strtoul(keys[j]+4, NULL, 10);
tmp_u64 = strtoull(val, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_STATUS_RLEN,
g_variant_new_uint32(tmp_u64), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "flen", 4)) {
probenum = strtoul(keys[j]+4, NULL, 10);
tmp_u64 = strtoull(val, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_STATUS_FLEN,
g_variant_new_uint32(tmp_u64), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "rms", 3)) {
probenum = strtoul(keys[j]+3, NULL, 10);
tmp_u64 = strtoull(val, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_STATUS_RMS,
g_variant_new_uint64(tmp_u64), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "mean", 4)) {
probenum = strtoul(keys[j]+4, NULL, 10);
tmp_u64 = strtoull(val, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_STATUS_MEAN,
g_variant_new_uint32(tmp_u64), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "mapUnit", 7)) {
probenum = strtoul(keys[j]+7, NULL, 10);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_PROBE_MAP_UNIT,
g_variant_new_string(val), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "mapMax", 6)) {
probenum = strtoul(keys[j]+6, NULL, 10);
tmp_double = strtod(val, NULL);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_PROBE_MAP_MAX,
g_variant_new_double(tmp_double), sdi, probe, NULL);
}
} else if (!strncmp(keys[j], "mapMin", 6)) {
probenum = strtoul(keys[j]+6, NULL, 10);
tmp_double = strtod(val, NULL);
if (probenum < g_slist_length(sdi->channels)) {
probe = g_slist_nth(sdi->channels, probenum)->data;
sdi->driver->config_set(SR_CONF_PROBE_MAP_MIN,
g_variant_new_double(tmp_double), sdi, probe, NULL);
}
}
}
g_strfreev(keys);
}
devcnt++;
}
g_strfreev(sections);
g_key_file_free(kf);
if ((ret = zip_close(archive)) == -1) {
sr_info("error close session file: %s", zip_strerror(archive));
return SR_ERR;
}
return SR_OK;
}
/**
* Initialize a saved session file.
*
* @param filename The name of the filename to save the current session as.
* Must not be NULL.
* @param samplerate The samplerate to store for this session.
* @param channels A NULL-terminated array of strings containing the names
* of all the channels active in this session.
*
* @retval SR_OK Success
* @retval SR_ERR_ARG Invalid arguments
* @retval SR_ERR Other errors
*
* @since 0.3.0
*/
SR_API int sr_session_save_init(const char *filename, const char *metafile, const char *decfile, const char *sesfile)
{
struct zip *zipfile;
struct zip_source *metasrc;
int ret;
if (!filename) {
sr_err("%s: filename was NULL", __func__);
return SR_ERR_ARG;
}
/* Quietly delete it first, libzip wants replace ops otherwise. */
unlink(filename);
if (!(zipfile = zip_open(filename, ZIP_CREATE, &ret)))
return SR_ERR;
// meta file
if (!(metasrc = zip_source_file(zipfile, metafile, 0, -1))) {
unlink(metafile);
return SR_ERR;
}
if (zip_add(zipfile, "header", metasrc) == -1) {
unlink(metafile);
return SR_ERR;
}
// decoders file
if (decfile != NULL) {
if (!(metasrc = zip_source_file(zipfile, decfile, 0, -1))) {
unlink(decfile);
return SR_ERR;
}
if (zip_add(zipfile, "decoders", metasrc) == -1) {
unlink(decfile);
return SR_ERR;
}
}
// session file
if (sesfile != NULL) {
if (!(metasrc = zip_source_file(zipfile, sesfile, 0, -1))) {
unlink(sesfile);
return SR_ERR;
}
if (zip_add(zipfile, "session", metasrc) == -1) {
unlink(sesfile);
return SR_ERR;
}
}
if ((ret = zip_close(zipfile)) == -1) {
sr_info("error saving zipfile: %s", zip_strerror(zipfile));
unlink(metafile);
if (decfile != NULL)
unlink(decfile);
return SR_ERR;
}
unlink(metafile);
if (decfile != NULL)
unlink(decfile);
return SR_OK;
}
/**
* Append data to an existing session file.
*
* The session file must have been created with sr_session_save_init()
* or sr_session_save() beforehand.
*
* @param filename The name of the filename to append to. Must not be NULL.
* @param buf The data to be appended.
* @param size Buffer size.
* @param chunk_num chunk number
* @param index channel index
* @param type channel type
*
* @retval SR_OK Success
* @retval SR_ERR_ARG Invalid arguments
* @retval SR_ERR Other errors
*
* @since 0.3.0
*/
SR_API int sr_session_append(const char *filename, const unsigned char *buf,
uint64_t size, int chunk_num, int index, int type, int version)
{
struct zip *archive;
struct zip_source *logicsrc;
int ret;
char chunk_name[16], *type_name;
// if ((ret = sr_sessionfile_check(filename)) != SR_OK)
// return ret;
if (buf == NULL)
goto err;
if (!(archive = zip_open(filename, 0, &ret)))
goto err;
if (version == 2) {
type_name = (type == SR_CHANNEL_LOGIC) ? "L" :
(type == SR_CHANNEL_DSO) ? "O" :
(type == SR_CHANNEL_ANALOG) ? "A" : "U";
snprintf(chunk_name, 15, "%s-%d/%d", type_name, index, chunk_num);
} else {
snprintf(chunk_name, 15, "data");
}
if (!(logicsrc = zip_source_buffer(archive, buf, size, FALSE))) {
goto err;
}
if (zip_file_add(archive, chunk_name, logicsrc, ZIP_FL_OVERWRITE) == -1) {
// if (zip_add(archive, chunk_name, logicsrc) == -1) {
goto err;
}
if ((ret = zip_close(archive)) == -1) {
sr_info("error saving session file: %s", zip_strerror(archive));
goto err;
}
return SR_OK;
err:
unlink(filename);
return SR_ERR;
}
/** @} */
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