#include <errno.h>
#include <glib.h>
#include <glib/gstdio.h>
-#include "config.h" /* Needed for PACKAGE_VERSION and others. */
-#include "libsigrok.h"
+#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
/** @cond PRIVATE */
* @{
*/
-extern struct sr_session *session;
extern SR_PRIV struct sr_dev_driver session_driver;
+static int session_driver_initialized = 0;
/** @private */
SR_PRIV int sr_sessionfile_check(const char *filename)
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;
return SR_ERR;
}
+ if ((ret = zip_close(archive)) == -1) {
+ sr_dbg("error closing zipfile: %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.
+ * @param ctx The context in which to load the session.
+ * @param filename The name of the session file to load.
+ * @param session The session to load the file into.
*
- * @return SR_OK upon success, SR_ERR_ARG upon invalid arguments,
- * SR_ERR_MALLOC upon memory allocation errors, or SR_ERR upon
- * other errors.
+ * @retval SR_OK Success
+ * @retval SR_ERR_MALLOC Memory allocation error
+ * @retval SR_ERR_DATA Malformed session file
+ * @retval SR_ERR This is not a session file
*/
-SR_API int sr_session_load(const char *filename, struct sr_session **session)
+SR_API int sr_session_load(struct sr_context *ctx, const char *filename,
+ struct sr_session **session)
{
GKeyFile *kf;
GPtrArray *capturefiles;
struct zip_stat zs;
struct sr_dev_inst *sdi;
struct sr_channel *ch;
- int devcnt, ret, i, j;
- uint64_t tmp_u64, total_channels, enabled_channels, p;
+ int ret, i, j;
+ uint64_t tmp_u64, total_channels, p;
char **sections, **keys, *metafile, *val;
char channelname[SR_MAX_CHANNELNAME_LEN + 1];
return SR_ERR;
}
- if ((ret = sr_session_new(session)) != SR_OK)
+ if ((ret = sr_session_new(ctx, session)) != SR_OK)
return ret;
- devcnt = 0;
+ ret = SR_OK;
capturefiles = g_ptr_array_new_with_free_func(g_free);
sections = g_key_file_get_groups(kf, NULL);
- for (i = 0; sections[i]; i++) {
+ for (i = 0; sections[i] && ret == SR_OK; i++) {
if (!strcmp(sections[i], "global"))
/* nothing really interesting in here yet */
continue;
if (!strncmp(sections[i], "device ", 7)) {
/* device section */
sdi = NULL;
- enabled_channels = total_channels = 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")) {
- sdi = sr_dev_inst_new(devcnt, SR_ST_ACTIVE, NULL, NULL, NULL);
+ sdi = g_malloc0(sizeof(struct sr_dev_inst));
sdi->driver = &session_driver;
- if (devcnt == 0)
+ sdi->status = SR_ST_ACTIVE;
+ if (!session_driver_initialized) {
/* first device, init the driver */
- sdi->driver->init(NULL);
+ session_driver_initialized = 1;
+ sdi->driver->init(sdi->driver, NULL);
+ }
sr_dev_open(sdi);
sr_session_dev_add(*session, sdi);
+ (*session)->owned_devs = g_slist_append(
+ (*session)->owned_devs, sdi);
sdi->driver->config_set(SR_CONF_SESSIONFILE,
g_variant_new_string(filename), sdi, NULL);
sdi->driver->config_set(SR_CONF_CAPTUREFILE,
g_variant_new_string(val), sdi, NULL);
g_ptr_array_add(capturefiles, val);
} else if (!strcmp(keys[j], "samplerate")) {
+ if (!sdi) {
+ ret = SR_ERR_DATA;
+ break;
+ }
sr_parse_sizestring(val, &tmp_u64);
sdi->driver->config_set(SR_CONF_SAMPLERATE,
g_variant_new_uint64(tmp_u64), sdi, NULL);
} else if (!strcmp(keys[j], "unitsize")) {
+ if (!sdi) {
+ ret = SR_ERR_DATA;
+ break;
+ }
tmp_u64 = strtoull(val, NULL, 10);
sdi->driver->config_set(SR_CONF_CAPTURE_UNITSIZE,
g_variant_new_uint64(tmp_u64), sdi, NULL);
} else if (!strcmp(keys[j], "total probes")) {
+ if (!sdi) {
+ ret = SR_ERR_DATA;
+ break;
+ }
total_channels = strtoull(val, NULL, 10);
sdi->driver->config_set(SR_CONF_NUM_LOGIC_CHANNELS,
g_variant_new_uint64(total_channels), sdi, NULL);
for (p = 0; p < total_channels; p++) {
snprintf(channelname, SR_MAX_CHANNELNAME_LEN, "%" PRIu64, p);
- if (!(ch = sr_channel_new(p, SR_CHANNEL_LOGIC, TRUE,
- channelname)))
- return SR_ERR;
- sdi->channels = g_slist_append(sdi->channels, ch);
+ sr_channel_new(sdi, p, SR_CHANNEL_LOGIC, FALSE,
+ channelname);
}
} else if (!strncmp(keys[j], "probe", 5)) {
- if (!sdi)
- continue;
- enabled_channels++;
- tmp_u64 = strtoul(keys[j]+5, NULL, 10);
+ if (!sdi) {
+ ret = SR_ERR_DATA;
+ break;
+ }
+ tmp_u64 = strtoul(keys[j]+5, NULL, 10) - 1;
+ ch = g_slist_nth_data(sdi->channels, tmp_u64);
/* sr_session_save() */
- sr_dev_channel_name_set(sdi, tmp_u64 - 1, val);
+ sr_dev_channel_name_set(ch, val);
+ sr_dev_channel_enable(ch, TRUE);
}
}
g_strfreev(keys);
- /* Disable channels not specifically listed. */
- if (total_channels)
- for (p = enabled_channels; p < total_channels; p++)
- sr_dev_channel_enable(sdi, p, FALSE);
}
- devcnt++;
}
g_strfreev(sections);
g_key_file_free(kf);
- return SR_OK;
+ return ret;
}
/**
* Save a session to the specified file.
*
+ * @param session The session to save to the specified file. Must not be NULL.
* @param filename The name of the filename to save the session as.
* Must not be NULL.
* @param sdi The device instance from which the data was captured.
/**
* Initialize a saved session file.
*
+ * @param session The session to use. Must not be NULL.
* @param filename The name of the filename to save the session as.
* Must not be NULL.
* @param samplerate The samplerate to store for this session.
int tmpfile, cnt, ret, i;
char version[1], metafile[32], *s;
- (void) session;
+ (void)session;
if (!filename) {
sr_err("%s: filename was NULL", __func__);
close(tmpfile);
meta = g_fopen(metafile, "wb");
fprintf(meta, "[global]\n");
- fprintf(meta, "sigrok version = %s\n", PACKAGE_VERSION);
+ fprintf(meta, "sigrok version = %s\n", SR_PACKAGE_VERSION_STRING);
/* metadata */
fprintf(meta, "[device 1]\n");
* The session file must have been created with sr_session_save_init()
* or sr_session_save() beforehand.
*
+ * @param session The session to use. Must not be NULL.
* @param filename The name of the filename to append to. Must not be NULL.
* @param buf The data to be appended.
* @param unitsize The number of bytes per sample.
const char *entry_name;
char *metafile, tmpname[32], chunkname[16];
- (void) session;
+ (void)session;
if ((ret = sr_sessionfile_check(filename)) != SR_OK)
return ret;
projects / libsigrok.git / blobdiff