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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 | #include "sessionfile.h" | |
22 | ||
23 | #include <libsigrok/libsigrok.h> | |
24 | ||
25 | namespace pv { | |
26 | namespace device { | |
27 | ||
28 | SessionFile::SessionFile(const std::string &path) : | |
29 | File(path), | |
30 | _sdi(NULL) | |
31 | { | |
32 | } | |
33 | ||
34 | sr_dev_inst* SessionFile::dev_inst() const | |
35 | { | |
36 | return _sdi; | |
37 | } | |
38 | ||
39 | void SessionFile::use(SigSession *owner) throw(QString) | |
40 | { | |
41 | assert(!_sdi); | |
42 | ||
43 | if (sr_session_load(_path.c_str()) != SR_OK) | |
44 | throw tr("Failed to open file.\n"); | |
45 | ||
46 | GSList *devlist = NULL; | |
47 | sr_session_dev_list(&devlist); | |
48 | ||
49 | if (!devlist || !devlist->data) { | |
50 | if (devlist) | |
51 | g_slist_free(devlist); | |
52 | throw tr("Failed to start session."); | |
53 | } | |
54 | ||
55 | _sdi = (sr_dev_inst*)devlist->data; | |
56 | g_slist_free(devlist); | |
57 | ||
58 | File::use(owner); | |
59 | } | |
60 | ||
61 | void SessionFile::release() | |
62 | { | |
63 | if (!_owner) | |
64 | return; | |
65 | ||
66 | assert(_sdi); | |
67 | File::release(); | |
68 | sr_dev_close(_sdi); | |
69 | sr_dev_clear(_sdi->driver); | |
70 | sr_session_destroy(); | |
71 | _sdi = NULL; | |
72 | } | |
73 | ||
74 | } // device | |
75 | } // pv |