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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 SigSession;
38
39 namespace device {
40 class DevInst;
41 }
42
43 class DeviceManager
44 {
45 public:
46         DeviceManager(struct sr_context *sr_ctx);
47
48         ~DeviceManager();
49
50         const std::list< boost::shared_ptr<pv::device::DevInst> >&
51                 devices() const;
52
53         void use_device(boost::shared_ptr<pv::device::DevInst> dev_inst,
54                 SigSession *owner);
55
56         void release_device(boost::shared_ptr<pv::device::DevInst> dev_inst);
57
58         std::list< boost::shared_ptr<pv::device::DevInst> > driver_scan(
59                 struct sr_dev_driver *const driver,
60                 GSList *const drvopts = NULL);
61
62 private:
63         void init_drivers();
64
65         void release_devices();
66
67         void scan_all_drivers();
68
69         void release_driver(struct sr_dev_driver *const driver);
70
71         static bool compare_devices(boost::shared_ptr<device::DevInst> a,
72                 boost::shared_ptr<device::DevInst> b);
73
74 private:
75         struct sr_context *const _sr_ctx;
76         std::list< boost::shared_ptr<pv::device::DevInst> > _devices;
77         std::map< boost::shared_ptr<pv::device::DevInst>, pv::SigSession*>
78                 _used_devices;
79 };
80
81 } // namespace pv
82
83 #endif // PULSEVIEW_PV_DEVICEMANAGER_H