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Wrapped sr_dev_inst in a class: pv::DevInst
[pulseview.git] / pv / devicemanager.h
1 /*
2  * This file is part of the PulseView project.
3  *
4  * Copyright (C) 2013 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_DEVICEMANAGER_H
22 #define PULSEVIEW_PV_DEVICEMANAGER_H
23
24 #include <glib.h>
25
26 #include <list>
27 #include <map>
28 #include <string>
29
30 #include <boost/shared_ptr.hpp>
31
32 struct sr_context;
33 struct sr_dev_driver;
34
35 namespace pv {
36
37 class DevInst;
38 class SigSession;
39
40 class DeviceManager
41 {
42 public:
43         DeviceManager(struct sr_context *sr_ctx);
44
45         ~DeviceManager();
46
47         const std::list< boost::shared_ptr<pv::DevInst> >& devices() const;
48
49         void use_device(boost::shared_ptr<pv::DevInst> dev_inst,
50                 SigSession *owner);
51
52         void release_device(boost::shared_ptr<pv::DevInst> dev_inst);
53
54         std::list< boost::shared_ptr<DevInst> > driver_scan(
55                 struct sr_dev_driver *const driver,
56                 GSList *const drvopts = NULL);
57
58 private:
59         void init_drivers();
60
61         void release_devices();
62
63         void scan_all_drivers();
64
65         void release_driver(struct sr_dev_driver *const driver);
66
67         static bool compare_devices(boost::shared_ptr<DevInst> a,
68                 boost::shared_ptr<DevInst> b);
69
70 private:
71         struct sr_context *const _sr_ctx;
72         std::list< boost::shared_ptr<pv::DevInst> > _devices;
73         std::map< boost::shared_ptr<pv::DevInst>, pv::SigSession*>
74                 _used_devices;
75 };
76
77 } // namespace pv
78
79 #endif // PULSEVIEW_PV_DEVICEMANAGER_H