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1 /*
2  * This file is part of the PulseView project.
3  *
4  * Copyright (C) 2014 Joel Holdsworth <joel@airwebreathe.org.uk>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
19  */
20
21 #ifndef PULSEVIEW_PV_STORESESSION_HPP
22 #define PULSEVIEW_PV_STORESESSION_HPP
23
24 #include <stdint.h>
25
26 #include <atomic>
27 #include <fstream>
28 #include <map>
29 #include <memory>
30 #include <mutex>
31 #include <string>
32 #include <thread>
33
34 #include <glibmm/variant.h>
35
36 #include <QObject>
37
38 namespace sigrok {
39 class Channel;
40 class Output;
41 class OutputFormat;
42 }
43
44 namespace pv {
45
46 class Session;
47
48 namespace data {
49 class AnalogSegment;
50 class LogicSegment;
51 }
52
53 class StoreSession : public QObject
54 {
55         Q_OBJECT
56
57 private:
58         static const size_t BlockSize;
59
60 public:
61         StoreSession(const std::string &file_name,
62                 const std::shared_ptr<sigrok::OutputFormat> &output_format,
63                 const std::map<std::string, Glib::VariantBase> &options,
64                 const std::pair<uint64_t, uint64_t> sample_range,
65                 const Session &session);
66
67         ~StoreSession();
68
69         std::pair<int, int> progress() const;
70
71         const QString& error() const;
72
73         bool start();
74
75         void wait();
76
77         void cancel();
78
79 private:
80         void store_proc(std::vector< std::shared_ptr<sigrok::Channel> > achannel_list,
81                 std::vector< std::shared_ptr<pv::data::AnalogSegment> > asegment_list,
82                 std::shared_ptr<pv::data::LogicSegment> lsegment);
83
84 Q_SIGNALS:
85         void progress_updated();
86
87 private:
88         const std::string file_name_;
89         const std::shared_ptr<sigrok::OutputFormat> output_format_;
90         const std::map<std::string, Glib::VariantBase> options_;
91         const std::pair<uint64_t, uint64_t> sample_range_;
92         const Session &session_;
93
94         std::shared_ptr<sigrok::Output> output_;
95         std::ofstream output_stream_;
96
97         std::thread thread_;
98
99         std::atomic<bool> interrupt_;
100
101         std::atomic<int> units_stored_, unit_count_;
102
103         mutable std::mutex mutex_;
104         QString error_;
105
106         uint64_t start_sample_, sample_count_;
107 };
108
109 } // pv
110
111 #endif // PULSEVIEW_PV_STORESESSION_HPP