|
1 // Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
|
2 // All rights reserved. |
|
3 // This component and the accompanying materials are made available |
|
4 // under the terms of "Eclipse Public License v1.0" |
|
5 // which accompanies this distribution, and is available |
|
6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
7 // |
|
8 // Initial Contributors: |
|
9 // Nokia Corporation - initial contribution. |
|
10 // |
|
11 // Contributors: |
|
12 // |
|
13 // Description: |
|
14 // |
|
15 // |
|
16 |
|
17 |
|
18 /** |
|
19 @file |
|
20 Implements a Session of a Symbian OS server for the RUsbMassStorage API |
|
21 */ |
|
22 |
|
23 #include <e32property.h> |
|
24 #include <coreapplicationuisdomainpskeys.h> |
|
25 #include "mscfilesession.h" |
|
26 #include "mscfilecontroller.h" |
|
27 #include "mscfileserver.h" |
|
28 #include "usbmscfileshared.h" |
|
29 #include "debug.h" |
|
30 |
|
31 /** |
|
32 Construct a Symbian OS session object. |
|
33 |
|
34 @param aServer Service the session will be a member of |
|
35 @param aMessage The message from the client. |
|
36 @return A new CMscFileSession object |
|
37 */ |
|
38 CMscFileSession* CMscFileSession::NewL(CMscFileServer& aServer) |
|
39 { |
|
40 CMscFileSession* r = new (ELeave) CMscFileSession(aServer); |
|
41 CleanupStack::PushL(r); |
|
42 r->ConstructL(); |
|
43 CleanupStack::Pop(); |
|
44 return r; |
|
45 } |
|
46 |
|
47 /** |
|
48 Constructor. |
|
49 |
|
50 @param aServer Service the session will be a member of |
|
51 */ |
|
52 CMscFileSession::CMscFileSession(CMscFileServer& aServer) |
|
53 : iMscFileServer( aServer ) |
|
54 { |
|
55 TRACE_FUNC |
|
56 } |
|
57 |
|
58 |
|
59 /** |
|
60 2nd Phase Construction. |
|
61 */ |
|
62 void CMscFileSession::ConstructL() |
|
63 { |
|
64 TRACE_FUNC |
|
65 iMscFileServer.IncrementSessionCount(); |
|
66 if ( iMscFileServer.SessionCount() > 1 ) |
|
67 { |
|
68 TRACE_ERROR(( _L( "SessionCount: %d" ), iMscFileServer.SessionCount() )) |
|
69 // Only one session is allowed |
|
70 User::Leave( KErrInUse ); |
|
71 } |
|
72 } |
|
73 |
|
74 |
|
75 /** |
|
76 Destructor. |
|
77 */ |
|
78 CMscFileSession::~CMscFileSession() |
|
79 { |
|
80 iMscFileServer.DecrementSessionCount(); |
|
81 } |
|
82 |
|
83 /** |
|
84 Called when a message is received from the client. |
|
85 |
|
86 @param aMessage Message received from the client |
|
87 */ |
|
88 void CMscFileSession::ServiceL( const RMessage2& aMessage ) |
|
89 { |
|
90 TRAPD( err, DispatchMessageL( aMessage ) ); |
|
91 |
|
92 aMessage.Complete( err ); |
|
93 } |
|
94 |
|
95 void CMscFileSession::DispatchMessageL( const RMessage2& aMessage ) |
|
96 { |
|
97 switch (aMessage.Function()) |
|
98 { |
|
99 case EMscFileSetupLu: |
|
100 SetupLogicalUnitL( aMessage ); |
|
101 break; |
|
102 |
|
103 case EMscFileStart: |
|
104 StartL( aMessage ); |
|
105 break; |
|
106 |
|
107 case EMscFileStop: |
|
108 LEAVE_IF_ERROR( Stop() ); |
|
109 break; |
|
110 |
|
111 case EMscFileShutdown: |
|
112 LEAVE_IF_ERROR( Shutdown() ); |
|
113 break; |
|
114 |
|
115 default: |
|
116 aMessage.Panic( KUsbMsCliPncCat, EUsbMsPanicIllegalIPC ); |
|
117 break; |
|
118 } |
|
119 |
|
120 } |
|
121 |
|
122 void CMscFileSession::SetupLogicalUnitL( const RMessage2& aMessage ) |
|
123 { |
|
124 TRACE_FUNC_ENTRY |
|
125 TInt protocol; |
|
126 TInt lun; |
|
127 RBuf buf; |
|
128 TInt len = aMessage.GetDesLength( 0 ); |
|
129 buf.CreateL( len ); |
|
130 buf.CleanupClosePushL(); |
|
131 aMessage.ReadL( 0, buf ); |
|
132 protocol = aMessage.Int1(); |
|
133 lun = aMessage.Int2(); |
|
134 |
|
135 //get the directory and name of image file |
|
136 RFs fs; |
|
137 LEAVE_IF_ERROR(fs.Connect()); |
|
138 CleanupClosePushL(fs); |
|
139 |
|
140 TFileName fileName; |
|
141 const TDriveNumber KResourceDrive = EDriveZ; |
|
142 TDriveUnit driveUnit( KResourceDrive ); |
|
143 TDriveName drive = driveUnit.Name(); |
|
144 fileName.Insert( 0, drive ); |
|
145 // append private path |
|
146 TPath privatePath; |
|
147 fs.PrivatePath(privatePath); |
|
148 fileName.Append(privatePath); |
|
149 CleanupStack::PopAndDestroy(&fs); |
|
150 |
|
151 fileName.Append(buf); |
|
152 iMscFileServer.Controller().SetupLogicalUnitL( fileName, protocol, lun ); |
|
153 CleanupStack::PopAndDestroy( &buf ); |
|
154 TRACE_FUNC_EXIT |
|
155 } |
|
156 /** |
|
157 Client request to start the device. |
|
158 |
|
159 @return Any error that occurred or KErrNone |
|
160 */ |
|
161 void CMscFileSession::StartL( const RMessage2& aMessage ) |
|
162 { |
|
163 TRACE_FUNC |
|
164 |
|
165 User::LeaveIfError(RProperty::Set(KPSUidCoreApplicationUIs, |
|
166 KCoreAppUIsUSBFileTransfer, |
|
167 ECoreAppUIsUSBFileTransferActive)); |
|
168 |
|
169 TMassStorageConfig msConfig; |
|
170 GetMsConfigL( aMessage, msConfig ); |
|
171 LEAVE_IF_ERROR( iMscFileServer.Controller().Start( msConfig ) ); |
|
172 } |
|
173 |
|
174 /** |
|
175 Client request to stop the device. |
|
176 |
|
177 @return Any error that occurred or KErrNone |
|
178 */ |
|
179 TInt CMscFileSession::Stop() |
|
180 { |
|
181 TRACE_FUNC |
|
182 |
|
183 RProperty::Set(KPSUidCoreApplicationUIs, |
|
184 KCoreAppUIsUSBFileTransfer, |
|
185 ECoreAppUIsUSBFileTransferNotActive); |
|
186 |
|
187 return iMscFileServer.Controller().Stop(); |
|
188 } |
|
189 |
|
190 /** |
|
191 Client request to shut down the server |
|
192 |
|
193 @return KErrNone |
|
194 */ |
|
195 TInt CMscFileSession::Shutdown() |
|
196 { |
|
197 TRACE_FUNC |
|
198 CActiveScheduler::Stop(); |
|
199 return KErrNone; |
|
200 } |
|
201 |
|
202 /** |
|
203 Get mass storage configuration data from the received message |
|
204 */ |
|
205 void CMscFileSession::GetMsConfigL( const RMessage2& aMessage, |
|
206 TMassStorageConfig& aMsStorage ) |
|
207 { |
|
208 aMessage.ReadL( 0, aMsStorage.iVendorId ); |
|
209 aMessage.ReadL( 1, aMsStorage.iProductId ); |
|
210 aMessage.ReadL( 2, aMsStorage.iProductRev ); |
|
211 } |