29
|
1 |
/*
|
|
2 |
* Copyright (c) 2006-2008 Nokia Corporation and/or its subsidiary(-ies).
|
|
3 |
* All rights reserved.
|
|
4 |
* This component and the accompanying materials are made available
|
|
5 |
* under the terms of "Eclipse Public License v1.0"
|
|
6 |
* which accompanies this distribution, and is available
|
|
7 |
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
|
|
8 |
*
|
|
9 |
* Initial Contributors:
|
|
10 |
* Nokia Corporation - initial contribution.
|
|
11 |
*
|
|
12 |
* Contributors:
|
|
13 |
*
|
|
14 |
* Description: DUN USB configuration accessor and listener
|
|
15 |
*
|
|
16 |
*/
|
|
17 |
|
|
18 |
|
|
19 |
#include "DunUsbConfig.h"
|
|
20 |
#include "DunDebug.h"
|
|
21 |
|
|
22 |
const TUint KDunUsbSupportedConfigVersion = 1;
|
|
23 |
|
|
24 |
// ---------------------------------------------------------------------------
|
|
25 |
// Two-phased constructor.
|
|
26 |
// ---------------------------------------------------------------------------
|
|
27 |
//
|
|
28 |
CDunUsbConfig* CDunUsbConfig::NewL( MDunServerCallback* aServer,
|
|
29 |
MDunUsbConfig* aCallback,
|
|
30 |
TUint8 aProtocol )
|
|
31 |
{
|
|
32 |
CDunUsbConfig* self = new (ELeave) CDunUsbConfig( aServer,
|
|
33 |
aCallback,
|
|
34 |
aProtocol );
|
|
35 |
CleanupStack::PushL( self );
|
|
36 |
self->ConstructL();
|
|
37 |
CleanupStack::Pop( self );
|
|
38 |
return self;
|
|
39 |
}
|
|
40 |
|
|
41 |
// ---------------------------------------------------------------------------
|
|
42 |
// Destructor.
|
|
43 |
// ---------------------------------------------------------------------------
|
|
44 |
//
|
|
45 |
CDunUsbConfig::~CDunUsbConfig()
|
|
46 |
{
|
|
47 |
FTRACE(FPrint( _L("CDunUsbConfig::~CDunUsbConfig()" )));
|
|
48 |
ResetData();
|
|
49 |
FTRACE(FPrint( _L("CDunUsbConfig::~CDunUsbConfig() complete" )));
|
|
50 |
}
|
|
51 |
|
|
52 |
// ---------------------------------------------------------------------------
|
|
53 |
// Resets data to initial values
|
|
54 |
// ---------------------------------------------------------------------------
|
|
55 |
//
|
|
56 |
void CDunUsbConfig::ResetData()
|
|
57 |
{
|
|
58 |
// APIs affecting this:
|
|
59 |
// IssueRequest()
|
|
60 |
Stop();
|
|
61 |
// NewL()
|
|
62 |
iAcmProperty.Close();
|
|
63 |
// Internal
|
|
64 |
Initialize();
|
|
65 |
}
|
|
66 |
|
|
67 |
// ---------------------------------------------------------------------------
|
|
68 |
// Compares initialized protocol number to configuration by index
|
|
69 |
// ---------------------------------------------------------------------------
|
|
70 |
//
|
|
71 |
TInt CDunUsbConfig::GetConfigValidityByIndex( TInt aIndex, TBool& aValidity )
|
|
72 |
{
|
|
73 |
FTRACE(FPrint( _L("CDunUsbConfig::GetConfigValidityByIndex()" )));
|
|
74 |
if ( iConfigState != EUsbConfigStateIdle )
|
|
75 |
{
|
|
76 |
FTRACE(FPrint( _L("CDunUsbConfig::GetConfigValidityByIndex() (not ready) complete" )));
|
|
77 |
return KErrNotReady;
|
|
78 |
}
|
|
79 |
if ( !iConfigExist )
|
|
80 |
{
|
|
81 |
TInt retTemp = GetConfiguration( iConfig );
|
|
82 |
if ( retTemp != KErrNone )
|
|
83 |
{
|
|
84 |
FTRACE(FPrint( _L("CDunUsbConfig::GetConfigValidityByIndex() (get failed) complete" )));
|
|
85 |
return retTemp;
|
|
86 |
}
|
|
87 |
}
|
|
88 |
if ( aIndex < 0 ||
|
|
89 |
aIndex >= iConfig.iAcmCount ||
|
|
90 |
aIndex >= TPublishedAcmConfigs::KAcmMaxFunctions )
|
|
91 |
{
|
|
92 |
FTRACE(FPrint( _L("CDunUsbConfig::GetConfigValidityByIndex() (not found) complete" )));
|
|
93 |
return KErrNotFound;
|
|
94 |
}
|
|
95 |
if ( iConfig.iAcmConfig[aIndex].iProtocol == iProtocol )
|
|
96 |
{
|
|
97 |
aValidity = ETrue;
|
|
98 |
}
|
|
99 |
else
|
|
100 |
{
|
|
101 |
aValidity = EFalse;
|
|
102 |
}
|
|
103 |
FTRACE(FPrint( _L("CDunUsbConfig::GetConfigValidityByIndex() complete (%d/%d)" ), aIndex, aValidity));
|
|
104 |
return KErrNone;
|
|
105 |
}
|
|
106 |
|
|
107 |
// ---------------------------------------------------------------------------
|
|
108 |
// Starts listening for ACM configuration changes
|
|
109 |
// ---------------------------------------------------------------------------
|
|
110 |
//
|
|
111 |
TInt CDunUsbConfig::IssueRequest()
|
|
112 |
{
|
|
113 |
FTRACE(FPrint( _L("CDunUsbConfig::IssueRequest()" )));
|
|
114 |
if ( iConfigState != EUsbConfigStateIdle )
|
|
115 |
{
|
|
116 |
FTRACE(FPrint( _L("CDunUsbConfig::IssueRequest() (not ready) complete" )));
|
|
117 |
return KErrNotReady;
|
|
118 |
}
|
|
119 |
iStatus = KRequestPending;
|
|
120 |
iAcmProperty.Subscribe( iStatus );
|
|
121 |
SetActive();
|
|
122 |
iConfigState = EUsbConfigStateWaiting;
|
|
123 |
FTRACE(FPrint( _L("CDunUsbConfig::IssueRequest() complete" )));
|
|
124 |
return KErrNone;
|
|
125 |
}
|
|
126 |
|
|
127 |
// ---------------------------------------------------------------------------
|
|
128 |
// Stops listening for ACM configuration changes
|
|
129 |
// ---------------------------------------------------------------------------
|
|
130 |
//
|
|
131 |
TInt CDunUsbConfig::Stop()
|
|
132 |
{
|
|
133 |
FTRACE(FPrint( _L("CDunUsbConfig::Stop()" )));
|
|
134 |
if ( iConfigState != EUsbConfigStateWaiting )
|
|
135 |
{
|
|
136 |
FTRACE(FPrint( _L("CDunUsbConfig::Stop() (not ready) complete" )));
|
|
137 |
return KErrNotReady;
|
|
138 |
}
|
|
139 |
iAcmProperty.Cancel();
|
|
140 |
Cancel();
|
|
141 |
iConfigState = EUsbConfigStateIdle;
|
|
142 |
FTRACE(FPrint( _L("CDunUsbConfig::Stop() complete" )));
|
|
143 |
return KErrNone;
|
|
144 |
}
|
|
145 |
|
|
146 |
// ---------------------------------------------------------------------------
|
|
147 |
// CDunUsbConfig::CDunUsbConfig
|
|
148 |
// ---------------------------------------------------------------------------
|
|
149 |
//
|
|
150 |
CDunUsbConfig::CDunUsbConfig( MDunServerCallback* aServer,
|
|
151 |
MDunUsbConfig* aCallback,
|
|
152 |
TUint8 aProtocol ) :
|
|
153 |
CActive( EPriorityStandard ),
|
|
154 |
iServer( aServer ),
|
|
155 |
iCallback( aCallback ),
|
|
156 |
iProtocol( aProtocol )
|
|
157 |
{
|
|
158 |
Initialize();
|
|
159 |
}
|
|
160 |
|
|
161 |
// ---------------------------------------------------------------------------
|
|
162 |
// CDunUsbConfig::ConstructL
|
|
163 |
// ---------------------------------------------------------------------------
|
|
164 |
//
|
|
165 |
void CDunUsbConfig::ConstructL()
|
|
166 |
{
|
|
167 |
FTRACE(FPrint( _L("CDunUsbConfig::ConstructL()" )));
|
|
168 |
if ( !iServer || !iCallback )
|
|
169 |
{
|
|
170 |
User::Leave( KErrGeneral );
|
|
171 |
}
|
|
172 |
User::LeaveIfError( iAcmProperty.Attach(KUidSystemCategory,KAcmKey) );
|
|
173 |
CActiveScheduler::Add( this );
|
|
174 |
FTRACE(FPrint( _L("CDunUsbConfig::ConstructL() complete" )));
|
|
175 |
}
|
|
176 |
|
|
177 |
// ---------------------------------------------------------------------------
|
|
178 |
// Initializes this class
|
|
179 |
// ---------------------------------------------------------------------------
|
|
180 |
//
|
|
181 |
void CDunUsbConfig::Initialize()
|
|
182 |
{
|
|
183 |
// Don't initialize iCallback here (it is set through NewL)
|
|
184 |
// Don't initialize iProtocol here (it is set through NewL)
|
|
185 |
iConfigState = EUsbConfigStateIdle;
|
|
186 |
iConfig.iAcmConfigVersion = 0;
|
|
187 |
iConfig.iAcmCount = 0;
|
|
188 |
iConfigExist = EFalse;
|
|
189 |
}
|
|
190 |
|
|
191 |
// ---------------------------------------------------------------------------
|
|
192 |
// Gets current ACM configuration
|
|
193 |
// ---------------------------------------------------------------------------
|
|
194 |
//
|
|
195 |
TInt CDunUsbConfig::GetConfiguration( TPublishedAcmConfigs& aConfig )
|
|
196 |
{
|
|
197 |
FTRACE(FPrint( _L("CDunUsbConfig::GetConfiguration()" )));
|
|
198 |
TPckgBuf<TPublishedAcmConfigs> configBuf;
|
|
199 |
TInt retTemp = iAcmProperty.Get( configBuf );
|
|
200 |
if ( retTemp != KErrNone )
|
|
201 |
{
|
|
202 |
FTRACE(FPrint( _L("CDunUsbConfig::GetConfiguration() (ERROR) complete" )));
|
|
203 |
return retTemp;
|
|
204 |
}
|
|
205 |
aConfig = configBuf();
|
|
206 |
// Check that version is that which we currently support
|
|
207 |
if ( aConfig.iAcmConfigVersion != KDunUsbSupportedConfigVersion )
|
|
208 |
{
|
|
209 |
FTRACE(FPrint( _L("CDunUsbConfig::GetConfiguration() (not supported) complete" )));
|
|
210 |
return KErrNotSupported;
|
|
211 |
}
|
|
212 |
// Check that count is within bounds
|
|
213 |
if ( aConfig.iAcmCount > TPublishedAcmConfigs::KAcmMaxFunctions )
|
|
214 |
{
|
|
215 |
FTRACE(FPrint( _L("CDunUsbConfig::GetConfiguration() (overflow) complete" )));
|
|
216 |
return KErrOverflow;
|
|
217 |
}
|
|
218 |
iConfigExist = ETrue;
|
|
219 |
FTRACE(FPrint( _L("CDunUsbConfig::GetConfiguration() complete" )));
|
|
220 |
return KErrNone;
|
|
221 |
}
|
|
222 |
|
|
223 |
// ---------------------------------------------------------------------------
|
|
224 |
// From class CActive.
|
|
225 |
// Gets called when ACM configuration changes
|
|
226 |
// ---------------------------------------------------------------------------
|
|
227 |
//
|
|
228 |
void CDunUsbConfig::RunL()
|
|
229 |
{
|
|
230 |
FTRACE(FPrint( _L("CDunUsbConfig::RunL()" )));
|
|
231 |
iConfigState = EUsbConfigStateIdle;
|
|
232 |
|
|
233 |
TPublishedAcmConfigs newConfig;
|
|
234 |
TInt retTemp = GetConfiguration( newConfig );
|
|
235 |
if ( retTemp != KErrNone )
|
|
236 |
{
|
|
237 |
FTRACE(FPrint( _L("CDunUsbConfig::RunL() (ERROR) complete (%d)" ), retTemp));
|
|
238 |
iServer->NotifyPluginCloseRequest( KDunUsbPluginUid, ETrue );
|
|
239 |
return;
|
|
240 |
}
|
|
241 |
// Change that is same is not possible so check that first
|
|
242 |
if ( newConfig.iAcmCount == iConfig.iAcmCount )
|
|
243 |
{
|
|
244 |
FTRACE(FPrint( _L("CDunUsbConfig::RunL() (no change) complete" )));
|
|
245 |
iServer->NotifyPluginCloseRequest( KDunUsbPluginUid, ETrue );
|
|
246 |
return;
|
|
247 |
}
|
|
248 |
|
|
249 |
// Now we have the changed configuration so find out are there added or
|
|
250 |
// removed USB ACMs
|
|
251 |
|
|
252 |
TInt i;
|
|
253 |
if ( newConfig.iAcmCount > iConfig.iAcmCount ) // addition
|
|
254 |
{
|
|
255 |
// Addition is always done to end of ACM queue by N entry addition
|
|
256 |
// Scan through new array and report change if necessary
|
|
257 |
for ( i=iConfig.iAcmCount; i<newConfig.iAcmCount; i++ )
|
|
258 |
{
|
|
259 |
if ( newConfig.iAcmConfig[i].iProtocol == iProtocol )
|
|
260 |
{
|
|
261 |
iCallback->NotifyConfigAddition( i );
|
|
262 |
}
|
|
263 |
}
|
|
264 |
}
|
|
265 |
else // removal ( newConfig.iAcmCount < iConfig.iAcmCount )
|
|
266 |
{
|
|
267 |
// Removal is always done to end of ACM queue by N entry removal
|
|
268 |
// Scan through old array and report change if necessary
|
|
269 |
for ( i=newConfig.iAcmCount; i<iConfig.iAcmCount; i++ )
|
|
270 |
{
|
|
271 |
if ( iConfig.iAcmConfig[i].iProtocol == iProtocol )
|
|
272 |
{
|
|
273 |
iCallback->NotifyConfigRemoval( i );
|
|
274 |
}
|
|
275 |
}
|
|
276 |
}
|
|
277 |
|
|
278 |
// Update config and restart listening
|
|
279 |
iConfig = newConfig;
|
|
280 |
IssueRequest();
|
|
281 |
|
|
282 |
FTRACE(FPrint( _L("CDunUsbConfig::RunL() complete" )));
|
|
283 |
}
|
|
284 |
|
|
285 |
// ---------------------------------------------------------------------------
|
|
286 |
// From class CActive.
|
|
287 |
// Gets called on cancel
|
|
288 |
// ---------------------------------------------------------------------------
|
|
289 |
//
|
|
290 |
void CDunUsbConfig::DoCancel()
|
|
291 |
{
|
|
292 |
}
|