/**
* Destroy the current session.
*
* This frees up all memory used by the session.
*
* @return SR_OK upon success, SR_ERR_BUG if no session exists.
*/
SR_API int sr_session_destroy(void)
{
if (!session) {
sr_err("%s: session was NULL", __func__);
return SR_ERR_BUG;
}
sr_session_dev_remove_all();
sr_session_datafeed_callback_remove_all();
if (session->sources) {
g_free(session->sources);
session->sources = NULL;
}
if (session->pollfds) {
g_free(session->pollfds);
session->pollfds = NULL;
}
/* TODO: Error checks needed? */
// g_mutex_clear(&session->stop_mutex);
g_free(session);
session = NULL;
return SR_OK;
}
/**
* Destroy the current session.
*
* This frees up all memory used by the session.
*
* @return SR_OK upon success, SR_ERR_BUG if no session exists.
*/
SR_API int sr_session_destroy(void)
{
if (!session) {
sr_err("%s: session was NULL", __func__);
return SR_ERR_BUG;
}
sr_session_dev_remove_all();
/* TODO: Error checks needed? */
g_free(session);
session = NULL;
return SR_OK;
}
/**
* Destroy the current session.
*
* This frees up all memory used by the session.
*
* @return SR_OK upon success, SR_ERR_BUG if no session exists.
*/
SR_API int sr_session_destroy(void)
{
if (!session) {
sr_err("session: %s: session was NULL", __func__);
return SR_ERR_BUG;
}
sr_session_dev_remove_all();
/* TODO: Error checks needed? */
/* TODO: Loop over protocol decoders and free them. */
g_free(session);
session = NULL;
return SR_OK;
}
/**
* Destroy a session.
* This frees up all memory used by the session.
*
* @param session The session to destroy. Must not be NULL.
*
* @retval SR_OK Success.
* @retval SR_ERR_ARG Invalid session passed.
*
* @since 0.4.0
*/
SR_API int sr_session_destroy(struct sr_session *session)
{
if (!session) {
sr_err("%s: session was NULL", __func__);
return SR_ERR_ARG;
}
sr_session_dev_remove_all(session);
g_slist_free_full(session->owned_devs, (GDestroyNotify)sr_dev_inst_free);
g_hash_table_unref(session->event_sources);
g_mutex_clear(&session->main_mutex);
g_free(session);
return SR_OK;
}
static void dev_selected(GtkComboBox *devbox, GObject *parent)
{
GtkTreeModel *devlist = gtk_combo_box_get_model(devbox);
GtkEntry *timesamples = g_object_get_data(parent, "timesamples");
GtkComboBox *timeunit = g_object_get_data(parent, "timeunit");
GtkTreeIter iter;
const gchar *name;
GtkCheckMenuItem *menuitem;
struct sr_dev *dev;
if (!gtk_combo_box_get_active_iter(devbox, &iter)) {
g_object_set_data(parent, "dev", NULL);
return;
}
gtk_tree_model_get(devlist, &iter, 0, &name, 1, &dev,
2, &menuitem, -1);
gtk_check_menu_item_set_active(menuitem, TRUE);
sr_session_dev_remove_all();
if (sr_session_dev_add(dev) != SR_OK) {
g_critical("Failed to use device.");
sr_session_destroy();
dev = NULL;
}
g_object_set_data(parent, "dev", dev);
/*
* Grey out the time unless the device is valid,
* and it supports sample limiting
*/
const gboolean limit_samples = dev &&
sr_driver_hwcap_exists(dev->driver,
SR_HWCAP_LIMIT_SAMPLES);
gtk_widget_set_sensitive((GtkWidget*)timesamples, limit_samples);
gtk_widget_set_sensitive((GtkWidget*)timeunit, limit_samples);
}
