1 /* |
|
2 * Copyright (c) 2006-2007 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: Monitors for new data in RComm local media side |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #ifdef PRJ_USE_NETWORK_STUBS |
|
20 #include <c32comm_stub.h> |
|
21 #else |
|
22 #include <d32comm.h> |
|
23 #endif |
|
24 #include "DunTransporter.h" |
|
25 #include "DunSignalWaiter.h" |
|
26 #include "DunSignalCopy.h" |
|
27 #include "DunDebug.h" |
|
28 |
|
29 // ======== MEMBER FUNCTIONS ======== |
|
30 |
|
31 // --------------------------------------------------------------------------- |
|
32 // Two-phased constructor. |
|
33 // --------------------------------------------------------------------------- |
|
34 // |
|
35 CDunSignalWaiter* CDunSignalWaiter::NewL( MDunChannelAllocator* aChannelCallback ) |
|
36 { |
|
37 CDunSignalWaiter* self = new (ELeave) CDunSignalWaiter( aChannelCallback ); |
|
38 CleanupStack::PushL( self ); |
|
39 self->ConstructL(); |
|
40 CleanupStack::Pop( self ); |
|
41 return self; |
|
42 } |
|
43 |
|
44 // --------------------------------------------------------------------------- |
|
45 // Destructor. |
|
46 // --------------------------------------------------------------------------- |
|
47 // |
|
48 CDunSignalWaiter::~CDunSignalWaiter() |
|
49 { |
|
50 FTRACE(FPrint( _L("CDunSignalWaiter::~CDunSignalWaiter()") )); |
|
51 ResetData(); |
|
52 FTRACE(FPrint( _L("CDunSignalWaiter::~CDunSignalWaiter() complete") )); |
|
53 } |
|
54 |
|
55 // --------------------------------------------------------------------------- |
|
56 // Resets data to initial values |
|
57 // --------------------------------------------------------------------------- |
|
58 // |
|
59 void CDunSignalWaiter::ResetData() |
|
60 { |
|
61 FTRACE(FPrint( _L("CDunSignalWaiter::ResetData()") )); |
|
62 // APIs affecting this: |
|
63 // IssueRequest() |
|
64 Stop(); |
|
65 // AddConnMonCallbackL() |
|
66 iCallbacks.Close(); |
|
67 // Internal |
|
68 Initialize(); |
|
69 FTRACE(FPrint( _L("CDunSignalWaiter::ResetData() complete") )); |
|
70 } |
|
71 |
|
72 // --------------------------------------------------------------------------- |
|
73 // Adds callback for RunL error controlling |
|
74 // The callback will be called when error is detected in asynchronous |
|
75 // operation |
|
76 // --------------------------------------------------------------------------- |
|
77 // |
|
78 TInt CDunSignalWaiter::AddCallback( MDunConnMon* aCallback ) |
|
79 { |
|
80 FTRACE(FPrint( _L("CDunSignalWaiter::AddCallback()" ) )); |
|
81 if ( !aCallback ) |
|
82 { |
|
83 FTRACE(FPrint( _L("CDunSignalWaiter::AddCallback() (ERROR) complete" ) )); |
|
84 return KErrGeneral; |
|
85 } |
|
86 TInt retTemp = iCallbacks.Find( aCallback ); |
|
87 if ( retTemp != KErrNotFound ) |
|
88 { |
|
89 FTRACE(FPrint( _L("CDunSignalWaiter::AddCallback() (already exists) complete" ) )); |
|
90 return KErrAlreadyExists; |
|
91 } |
|
92 retTemp = iCallbacks.Append( aCallback ); |
|
93 if ( retTemp != KErrNone ) |
|
94 { |
|
95 FTRACE(FPrint( _L("CDunSignalWaiter::AddCallback() (append failed!) complete" ) )); |
|
96 return retTemp; |
|
97 } |
|
98 FTRACE(FPrint( _L("CDunSignalWaiter::AddCallback() complete" ) )); |
|
99 return KErrNone; |
|
100 } |
|
101 |
|
102 // --------------------------------------------------------------------------- |
|
103 // Sets media to use for this endpoint |
|
104 // --------------------------------------------------------------------------- |
|
105 // |
|
106 TInt CDunSignalWaiter::SetMedia( RComm* aComm ) |
|
107 { |
|
108 FTRACE(FPrint( _L("CDunSignalWaiter::SetMedia(RComm) (addr=0x%08X)" ), aComm)); |
|
109 if ( !aComm ) |
|
110 { |
|
111 FTRACE(FPrint( _L("CDunSignalWaiter::SetMedia() (aComm) not initialized!" ))); |
|
112 return KErrGeneral; |
|
113 } |
|
114 TCommCaps2 caps; |
|
115 aComm->Caps( caps ); |
|
116 if ( !(caps().iNotificationCaps & KNotifySignalsChangeSupported) ) |
|
117 { |
|
118 FTRACE(FPrint( _L("CDunSignalWaiter::SetMedia() (RComm) (not supported) complete" ))); |
|
119 return KErrNotSupported; |
|
120 } |
|
121 iComm = aComm; |
|
122 FTRACE(FPrint( _L("CDunSignalWaiter::SetMedia() (RComm) complete" ))); |
|
123 return KErrNone; |
|
124 } |
|
125 |
|
126 // --------------------------------------------------------------------------- |
|
127 // Issues request to start waiting for new data in RComm |
|
128 // --------------------------------------------------------------------------- |
|
129 // |
|
130 TInt CDunSignalWaiter::IssueRequest() |
|
131 { |
|
132 FTRACE(FPrint( _L("CDunSignalWaiter::IssueRequest()" ))); |
|
133 if ( iSignalWaiterState != EDunStateIdle ) |
|
134 { |
|
135 FTRACE(FPrint( _L("CDunSignalWaiter::IssueRequest() (not ready) complete" ))); |
|
136 return KErrNotReady; |
|
137 } |
|
138 if ( !iComm ) |
|
139 { |
|
140 FTRACE(FPrint( _L("CDunSignalWaiter::IssueRequest() (iComm) not initialized!" ) )); |
|
141 return KErrGeneral; |
|
142 } |
|
143 iStatus = KRequestPending; |
|
144 iComm->NotifySignalChange( iStatus, iSignals, KSignalDCEInputs ); |
|
145 SetActive(); |
|
146 iSignalWaiterState = EDunStateSignalWaiting; |
|
147 FTRACE(FPrint( _L("CDunSignalWaiter::IssueRequest() complete" ))); |
|
148 return KErrNone; |
|
149 } |
|
150 |
|
151 // --------------------------------------------------------------------------- |
|
152 // Stops monitoring for new data |
|
153 // --------------------------------------------------------------------------- |
|
154 // |
|
155 TInt CDunSignalWaiter::Stop() |
|
156 { |
|
157 FTRACE(FPrint( _L("CDunSignalWaiter::Stop()" ))); |
|
158 if ( iSignalWaiterState != EDunStateSignalWaiting ) |
|
159 { |
|
160 FTRACE(FPrint( _L("CDunSignalWaiter::Stop() (not ready) complete" ))); |
|
161 return KErrNotReady; |
|
162 } |
|
163 if ( !iComm ) |
|
164 { |
|
165 FTRACE(FPrint( _L("CDunSignalWaiter::Stop() (iComm) not initialized!" ))); |
|
166 return KErrGeneral; |
|
167 } |
|
168 iComm->NotifySignalChangeCancel(); |
|
169 Cancel(); |
|
170 iSignalWaiterState = EDunStateIdle; |
|
171 FTRACE(FPrint( _L("CDunSignalWaiter::Stop() complete" ))); |
|
172 return KErrNone; |
|
173 } |
|
174 |
|
175 // --------------------------------------------------------------------------- |
|
176 // CDunSignalWaiter::CDunSignalWaiter |
|
177 // --------------------------------------------------------------------------- |
|
178 // |
|
179 CDunSignalWaiter::CDunSignalWaiter( MDunChannelAllocator* aChannelCallback ) : |
|
180 CActive( EPriorityHigh ), |
|
181 iChannelCallback( aChannelCallback ) |
|
182 { |
|
183 Initialize(); |
|
184 } |
|
185 |
|
186 // --------------------------------------------------------------------------- |
|
187 // CDunSignalWaiter::ConstructL |
|
188 // --------------------------------------------------------------------------- |
|
189 // |
|
190 void CDunSignalWaiter::ConstructL() |
|
191 { |
|
192 FTRACE(FPrint( _L("CDunSignalWaiter::ConstructL()" ) )); |
|
193 if ( !iChannelCallback ) |
|
194 { |
|
195 User::Leave( KErrGeneral ); |
|
196 } |
|
197 CActiveScheduler::Add( this ); |
|
198 FTRACE(FPrint( _L("CDunSignalWaiter::ConstructL() complete" ) )); |
|
199 } |
|
200 |
|
201 // --------------------------------------------------------------------------- |
|
202 // Initializes this class |
|
203 // --------------------------------------------------------------------------- |
|
204 // |
|
205 void CDunSignalWaiter::Initialize() |
|
206 { |
|
207 FTRACE(FPrint( _L("CDunSignalWaiter::Initialize()" ) )); |
|
208 // Don't initialize iChannelCallback here (it is set through NewL) |
|
209 iSignalWaiterState = EDunStateIdle; |
|
210 iSignals = 0; |
|
211 iComm = NULL; |
|
212 FTRACE(FPrint( _L("CDunSignalWaiter::Initialize() complete" ) )); |
|
213 } |
|
214 |
|
215 // --------------------------------------------------------------------------- |
|
216 // From class CActive. |
|
217 // Gets called when signals changed in RComm object |
|
218 // --------------------------------------------------------------------------- |
|
219 // |
|
220 void CDunSignalWaiter::RunL() |
|
221 { |
|
222 FTRACE(FPrint( _L("CDunSignalWaiter::RunL()" ) )); |
|
223 iSignalWaiterState = EDunStateIdle; |
|
224 TInt retTemp = iStatus.Int(); |
|
225 if ( retTemp != KErrNone ) |
|
226 { |
|
227 FTRACE(FPrint( _L("CDunSignalWaiter::RunL() (failed) complete (%d)"), retTemp)); |
|
228 TInt count = iCallbacks.Count(); |
|
229 TDunConnectionReason connReason; |
|
230 connReason.iReasonType = EDunReasonTypeRunL; |
|
231 connReason.iContext = EDunMediaContextLocal; |
|
232 connReason.iSignalType = 0; |
|
233 connReason.iSignalHigh = EFalse; |
|
234 connReason.iDirection = EDunDirectionUndefined; |
|
235 connReason.iErrorCode = retTemp; |
|
236 for ( TInt i=0; i<count; i++ ) |
|
237 { |
|
238 TRAP_IGNORE( |
|
239 iCallbacks[i]->NotifyProgressChangeL( iComm, connReason ) ); |
|
240 } |
|
241 return; |
|
242 } |
|
243 if ( iChannelCallback ) |
|
244 { |
|
245 iChannelCallback->NotifyNewChannelRequest( iComm ); |
|
246 } |
|
247 FTRACE(FPrint( _L("CDunSignalWaiter::RunL() complete" ) )); |
|
248 } |
|
249 |
|
250 // --------------------------------------------------------------------------- |
|
251 // From class CActive. |
|
252 // Gets called on cancel |
|
253 // --------------------------------------------------------------------------- |
|
254 // |
|
255 void CDunSignalWaiter::DoCancel() |
|
256 { |
|
257 } |
|