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ae2d1bc5 JH |
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 | ||
f9abf97e JH |
21 | #include <cassert> |
22 | ||
ae2d1bc5 JH |
23 | #include "sessionfile.h" |
24 | ||
25 | #include <libsigrok/libsigrok.h> | |
26 | ||
27 | namespace pv { | |
28 | namespace device { | |
29 | ||
30 | SessionFile::SessionFile(const std::string &path) : | |
31 | File(path), | |
32 | _sdi(NULL) | |
33 | { | |
34 | } | |
35 | ||
36 | sr_dev_inst* SessionFile::dev_inst() const | |
37 | { | |
38 | return _sdi; | |
39 | } | |
40 | ||
41 | void SessionFile::use(SigSession *owner) throw(QString) | |
42 | { | |
43 | assert(!_sdi); | |
44 | ||
45 | if (sr_session_load(_path.c_str()) != SR_OK) | |
46 | throw tr("Failed to open file.\n"); | |
47 | ||
48 | GSList *devlist = NULL; | |
49 | sr_session_dev_list(&devlist); | |
50 | ||
51 | if (!devlist || !devlist->data) { | |
52 | if (devlist) | |
53 | g_slist_free(devlist); | |
54 | throw tr("Failed to start session."); | |
55 | } | |
56 | ||
57 | _sdi = (sr_dev_inst*)devlist->data; | |
58 | g_slist_free(devlist); | |
59 | ||
60 | File::use(owner); | |
61 | } | |
62 | ||
63 | void SessionFile::release() | |
64 | { | |
65 | if (!_owner) | |
66 | return; | |
67 | ||
68 | assert(_sdi); | |
69 | File::release(); | |
70 | sr_dev_close(_sdi); | |
71 | sr_dev_clear(_sdi->driver); | |
72 | sr_session_destroy(); | |
73 | _sdi = NULL; | |
74 | } | |
75 | ||
76 | } // device | |
77 | } // pv |