1 | /* |
2 | This file is part of the Cagibi daemon. |
3 | |
4 | Copyright 2010-2011 Friedrich W. H. Kossebau <kossebau@kde.org> |
5 | |
6 | This program is free software; you can redistribute it and/or |
7 | modify it under the terms of the GNU General Public License as |
8 | published by the Free Software Foundation; either version 2 of |
9 | the License or (at your option) version 3 or any later version |
10 | accepted by the membership of KDE e.V. (or its successor approved |
11 | by the membership of KDE e.V.), which shall act as a proxy |
12 | defined in Section 14 of version 3 of the license. |
13 | |
14 | This program is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
17 | GNU General Public License for more details. |
18 | |
19 | You should have received a copy of the GNU General Public License |
20 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
21 | */ |
22 | |
23 | #include "devicelist.h" |
24 | |
25 | // program |
26 | #include "ssdpwatcher.h" |
27 | #include "rootdevice.h" |
28 | #include "device.h" |
29 | // Qt |
30 | #include <QtCore/QTimer> |
31 | |
32 | |
33 | namespace Cagibi |
34 | { |
35 | |
36 | static void fillMap( DeviceTypeMap& map, const Device& device ) |
37 | { |
38 | map.insert( device.udn(), device.type() ); |
39 | foreach( const Cagibi::Device& subDevice, device.devices() ) |
40 | fillMap( map, subDevice ); |
41 | } |
42 | |
43 | static void fillMapByType( DeviceTypeMap& map, const Device& device, |
44 | const QString& type ) |
45 | { |
46 | const QString deviceType = device.type(); |
47 | |
48 | if( deviceType == type ) |
49 | map.insert( device.udn(), deviceType ); |
50 | |
51 | foreach( const Cagibi::Device& subDevice, device.devices() ) |
52 | fillMapByType( map, subDevice, type ); |
53 | } |
54 | |
55 | static const Device* find( const Device& device, const QString& udn ) |
56 | { |
57 | const Device* result = 0; |
58 | |
59 | if( device.udn() == udn ) |
60 | result = &device; |
61 | else |
62 | { |
63 | foreach( const Cagibi::Device& subDevice, device.devices() ) |
64 | { |
65 | result = find( subDevice, udn ); |
66 | if( result ) |
67 | break; |
68 | } |
69 | } |
70 | |
71 | return result; |
72 | } |
73 | |
74 | |
75 | DeviceList::DeviceList( int searchTimeout, int inactivityTimeout ) |
76 | : QObject(), |
77 | mSsdpWatcher( new SSDPWatcher(this) ), |
78 | mShutDownTimeout( inactivityTimeout ) |
79 | { |
80 | // setup timer to shutdown on no UPnP activity |
81 | mShutDownTimer = new QTimer( this ); |
82 | mShutDownTimer->setInterval( mShutDownTimeout * 1000 ); // in msec |
83 | mShutDownTimer->setSingleShot( true ); |
84 | connect( mShutDownTimer, SIGNAL(timeout()), |
85 | this, SIGNAL(gotInactiv()) ); |
86 | |
87 | // install listener to UPnP changes |
88 | connect( mSsdpWatcher, SIGNAL(deviceDiscovered(Cagibi::RootDevice*)), |
89 | SLOT(onDeviceDiscovered(Cagibi::RootDevice*)) ); |
90 | connect( mSsdpWatcher, SIGNAL(deviceRemoved(Cagibi::RootDevice*)), |
91 | SLOT(onDeviceRemoved(Cagibi::RootDevice*)) ); |
92 | connect( mSsdpWatcher, SIGNAL(initialSearchCompleted()), |
93 | SLOT(onInitialSearchCompleted()) ); |
94 | |
95 | mSsdpWatcher->startDiscover( searchTimeout ); |
96 | } |
97 | |
98 | DeviceTypeMap DeviceList::allDevices() const |
99 | { |
100 | DeviceTypeMap result; |
101 | |
102 | const QList<RootDevice*> rootDevices = mSsdpWatcher->devices(); |
103 | |
104 | foreach( RootDevice* rootDevice, rootDevices ) |
105 | { |
106 | const Device device = rootDevice->device(); |
107 | fillMap( result, device ); |
108 | } |
109 | |
110 | // being used, so reset the shutdown timer if active |
111 | if( mShutDownTimer->isActive() ) |
112 | mShutDownTimer->start(); |
113 | |
114 | return result; |
115 | } |
116 | |
117 | DeviceTypeMap DeviceList::devicesByParent( const QString& udn ) const |
118 | { |
119 | DeviceTypeMap result; |
120 | |
121 | const QList<RootDevice*> rootDevices = mSsdpWatcher->devices(); |
122 | |
123 | foreach( RootDevice* rootDevice, rootDevices ) |
124 | { |
125 | const Device device = rootDevice->device(); |
126 | |
127 | if( udn.isEmpty() ) |
128 | result.insert( device.udn(), device.type() ); |
129 | else |
130 | { |
131 | const Device* match = find( device, udn ); |
132 | if( match ) |
133 | { |
134 | foreach( const Cagibi::Device& subDevice, device.devices() ) |
135 | result.insert( subDevice.udn(), subDevice.type() ); |
136 | break; |
137 | } |
138 | } |
139 | } |
140 | |
141 | // being used, so reset the shutdown timer if active |
142 | if( mShutDownTimer->isActive() ) |
143 | mShutDownTimer->start(); |
144 | |
145 | return result; |
146 | } |
147 | |
148 | DeviceTypeMap DeviceList::devicesByType( const QString& type ) const |
149 | { |
150 | DeviceTypeMap result; |
151 | |
152 | const QList<RootDevice*> rootDevices = mSsdpWatcher->devices(); |
153 | |
154 | foreach( RootDevice* rootDevice, rootDevices ) |
155 | { |
156 | const Device device = rootDevice->device(); |
157 | fillMapByType( result, device, type ); |
158 | } |
159 | |
160 | return result; |
161 | } |
162 | |
163 | Device DeviceList::deviceDetails( const QString& udn ) const |
164 | { |
165 | Device result; |
166 | |
167 | const QList<RootDevice*> rootDevices = mSsdpWatcher->devices(); |
168 | |
169 | foreach( RootDevice* rootDevice, rootDevices ) |
170 | { |
171 | const Device device = rootDevice->device(); |
172 | |
173 | const Device* match = find( device, udn ); |
174 | if( match ) |
175 | { |
176 | result = *match; |
177 | break; |
178 | } |
179 | } |
180 | |
181 | return result; |
182 | } |
183 | |
184 | void DeviceList::onInitialSearchCompleted() |
185 | { |
186 | if( shutsDownOnNoActivity() && mSsdpWatcher->devicesCount() == 0 ) |
187 | mShutDownTimer->start(); |
188 | } |
189 | |
190 | void DeviceList::onDeviceDiscovered( RootDevice* rootDevice ) |
191 | { |
192 | DeviceTypeMap devices; |
193 | |
194 | const Device device = rootDevice->device(); |
195 | fillMap( devices, device ); |
196 | |
197 | mShutDownTimer->stop(); |
198 | |
199 | emit devicesAdded( devices ); |
200 | } |
201 | |
202 | void DeviceList::onDeviceRemoved( RootDevice* rootDevice ) |
203 | { |
204 | DeviceTypeMap devices; |
205 | |
206 | const Device device = rootDevice->device(); |
207 | fillMap( devices, device ); |
208 | |
209 | if( shutsDownOnNoActivity() && mSsdpWatcher->devicesCount() == 0 ) |
210 | mShutDownTimer->start(); |
211 | |
212 | emit devicesRemoved( devices ); |
213 | } |
214 | |
215 | DeviceList::~DeviceList() |
216 | { |
217 | // simulate that all devices are removed |
218 | const QList<RootDevice*> rootDevices = mSsdpWatcher->devices(); |
219 | foreach( RootDevice* rootDevice, rootDevices ) |
220 | onDeviceRemoved( rootDevice ); |
221 | } |
222 | |
223 | } |
224 | |