Added support for save

[pulseview.git] / pv / storesession.h

diff --git a/pv/storesession.h b/pv/storesession.h
new file mode 100644 (file)
index 0000000..5ef92a3
--- /dev/null
+++ b/pv/storesession.h
@@ -0,0 +1,83 @@
+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2014 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#ifndef PULSEVIEW_PV_STORESESSION_H
+#define PULSEVIEW_PV_STORESESSION_H
+
+#include <stdint.h>
+
+#include <string>
+
+#include <boost/thread.hpp>
+
+#include <QObject>
+
+namespace pv {
+
+class SigSession;
+
+namespace data {
+class LogicSnapshot;
+}
+
+class StoreSession : public QObject
+{
+       Q_OBJECT
+
+private:
+       static const size_t BlockSize;
+
+public:
+       StoreSession(const std::string &file_name,
+               const SigSession &session);
+
+       ~StoreSession();
+
+       std::pair<uint64_t, uint64_t> progress() const;
+
+       const QString& error() const;
+
+       bool start();
+
+       void wait();
+
+       void cancel();
+
+private:
+       void store_proc(boost::shared_ptr<pv::data::LogicSnapshot> snapshot);
+
+signals:
+       void progress_updated();
+
+private:
+       const std::string _file_name;
+       const SigSession &_session;
+
+       boost::thread _thread;
+
+       mutable boost::mutex _mutex;
+       uint64_t _units_stored;
+       uint64_t _unit_count;
+       QString _error;
+};
+
+} // pv
+
+#endif // PULSEVIEW_PV_STORESESSION_H