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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 Output; | |
40 | class OutputFormat; | |
41 | } | |
42 | ||
43 | namespace pv { | |
44 | ||
45 | class Session; | |
46 | ||
47 | namespace data { | |
48 | class LogicSegment; | |
49 | } | |
50 | ||
51 | class StoreSession : public QObject | |
52 | { | |
53 | Q_OBJECT | |
54 | ||
55 | private: | |
56 | static const size_t BlockSize; | |
57 | ||
58 | public: | |
59 | StoreSession(const std::string &file_name, | |
60 | const std::shared_ptr<sigrok::OutputFormat> &output_format, | |
61 | const std::map<std::string, Glib::VariantBase> &options, | |
62 | const Session &session); | |
63 | ||
64 | ~StoreSession(); | |
65 | ||
66 | std::pair<int, int> progress() const; | |
67 | ||
68 | const QString& error() const; | |
69 | ||
70 | bool start(); | |
71 | ||
72 | void wait(); | |
73 | ||
74 | void cancel(); | |
75 | ||
76 | private: | |
77 | void store_proc(std::shared_ptr<pv::data::LogicSegment> segment); | |
78 | ||
79 | Q_SIGNALS: | |
80 | void progress_updated(); | |
81 | ||
82 | private: | |
83 | const std::string file_name_; | |
84 | const std::shared_ptr<sigrok::OutputFormat> output_format_; | |
85 | const std::map<std::string, Glib::VariantBase> options_; | |
86 | const Session &session_; | |
87 | ||
88 | std::shared_ptr<sigrok::Output> output_; | |
89 | std::ofstream output_stream_; | |
90 | ||
91 | std::thread thread_; | |
92 | ||
93 | std::atomic<bool> interrupt_; | |
94 | ||
95 | std::atomic<int> units_stored_, unit_count_; | |
96 | ||
97 | mutable std::mutex mutex_; | |
98 | QString error_; | |
99 | }; | |
100 | ||
101 | } // pv | |
102 | ||
103 | #endif // PULSEVIEW_PV_STORESESSION_HPP |