|
1 /* |
|
2 * Copyright (c) 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: Implementation of client side session. |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #include <e32svr.h> |
|
20 #include <data_caging_path_literals.hrh> |
|
21 |
|
22 #include "hwrmhapticssession.h" |
|
23 #include "hwrmhapticsconfiguration.h" |
|
24 #include "hwrmhapticsclientserver.h" |
|
25 #include "hwrmhapticstrace.h" |
|
26 |
|
27 // --------------------------------------------------------------------------- |
|
28 // Connects to server |
|
29 // --------------------------------------------------------------------------- |
|
30 // |
|
31 TInt RHWRMHapticsSession::Connect() |
|
32 { |
|
33 COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::Connect()" ) ) ); |
|
34 |
|
35 TInt err = MakeConnection(); |
|
36 |
|
37 // Create proper service on server side. i.e. initialize |
|
38 // server components |
|
39 if ( err == KErrNone ) |
|
40 { |
|
41 err = SendReceive( EHWRMHapticsService ); |
|
42 } |
|
43 |
|
44 COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::Connect - return(%d)" ), err ) ); |
|
45 |
|
46 return err; |
|
47 } |
|
48 |
|
49 |
|
50 // --------------------------------------------------------------------------- |
|
51 // Connects to server (ASYNC) |
|
52 // --------------------------------------------------------------------------- |
|
53 // |
|
54 void RHWRMHapticsSession::Connect( TRequestStatus& aStatus ) |
|
55 { |
|
56 COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::Connect()" ) ) ); |
|
57 |
|
58 TInt err = MakeConnection(); |
|
59 |
|
60 // Create proper service on server side. i.e. initialize |
|
61 // server components |
|
62 if ( err == KErrNone ) |
|
63 { |
|
64 SendReceive( EHWRMHapticsService, aStatus ); |
|
65 } |
|
66 else |
|
67 { |
|
68 TRequestStatus* status = &aStatus; |
|
69 User::RequestComplete( status, err ); |
|
70 } |
|
71 |
|
72 COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::Connect - return(%d)" ), err ) ); |
|
73 } |
|
74 |
|
75 |
|
76 // --------------------------------------------------------------------------- |
|
77 // Calls SendReceive with given parameters. |
|
78 // --------------------------------------------------------------------------- |
|
79 // |
|
80 TInt RHWRMHapticsSession::ExecuteOperation( |
|
81 TInt aCommand, |
|
82 const TIpcArgs& aArgs ) const |
|
83 { |
|
84 COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::ExecuteOperation(0x%x)" ), aCommand ) ); |
|
85 |
|
86 TInt retval = SendReceive( aCommand, aArgs ); |
|
87 |
|
88 COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::ExecuteOperation - return %d" ), retval ) ); |
|
89 |
|
90 return retval; |
|
91 } |
|
92 |
|
93 // --------------------------------------------------------------------------- |
|
94 // Calls SendReceive with given parameter. |
|
95 // --------------------------------------------------------------------------- |
|
96 // |
|
97 TInt RHWRMHapticsSession::ExecuteOperation( TInt aCommand ) const |
|
98 { |
|
99 COMPONENT_TRACE( _L( "RHWRMHapticsSession::ExecuteOperation" ) ); |
|
100 |
|
101 TInt retval = SendReceive( aCommand ); |
|
102 |
|
103 COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::ExecuteOperation - return %d" ), retval ) ); |
|
104 |
|
105 return retval; |
|
106 } |
|
107 |
|
108 // --------------------------------------------------------------------------- |
|
109 // Calls SendReceive with given parameters. |
|
110 // --------------------------------------------------------------------------- |
|
111 // |
|
112 void RHWRMHapticsSession::ExecuteAsyncOperation( |
|
113 TInt aCommand, |
|
114 const TIpcArgs& aArgs, |
|
115 TRequestStatus& aStatus ) const |
|
116 { |
|
117 COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::ExecuteAsyncOperation - commandId(%d), aStatus(%d)" ), aCommand, aStatus.Int() ) ); |
|
118 |
|
119 SendReceive( aCommand, aArgs, aStatus ); |
|
120 |
|
121 COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::ExecuteAsyncOperation - return" ) ) ); |
|
122 } |
|
123 |
|
124 // --------------------------------------------------------------------------- |
|
125 // Starts server. |
|
126 // --------------------------------------------------------------------------- |
|
127 // |
|
128 TInt RHWRMHapticsSession::StartServer() const |
|
129 { |
|
130 COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::StartServer()" ) ) ); |
|
131 |
|
132 RProcess server; |
|
133 TInt ret = server.Create( ServerLocation(), KNullDesC ); |
|
134 |
|
135 if ( ret != KErrNone ) // Loading failed. |
|
136 { |
|
137 return ret; |
|
138 } |
|
139 |
|
140 TRequestStatus status; |
|
141 server.Rendezvous( status ); |
|
142 |
|
143 if ( status != KRequestPending ) |
|
144 { |
|
145 server.Kill( 0 ); // Abort startup. |
|
146 server.Close(); |
|
147 return KErrGeneral; |
|
148 } |
|
149 else |
|
150 { |
|
151 server.Resume(); // Logon OK - start the server. |
|
152 } |
|
153 |
|
154 User::WaitForRequest( status ); |
|
155 server.Close(); |
|
156 |
|
157 COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::StartServer - return %d" ), status.Int() ) ); |
|
158 |
|
159 return status.Int(); |
|
160 } |
|
161 |
|
162 // --------------------------------------------------------------------------- |
|
163 // Returns the server location. |
|
164 // --------------------------------------------------------------------------- |
|
165 // |
|
166 TFullName RHWRMHapticsSession::ServerLocation() const |
|
167 { |
|
168 TFullName fullPathAndName( KServerExeDrive ); |
|
169 fullPathAndName.Append( KDC_PROGRAMS_DIR ); |
|
170 fullPathAndName.Append( KServerExeName ); |
|
171 |
|
172 COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::ServerLocation - return %S" ), &fullPathAndName ) ); |
|
173 |
|
174 return fullPathAndName; |
|
175 } |
|
176 |
|
177 // --------------------------------------------------------------------------- |
|
178 // Returns the version of the server. |
|
179 // --------------------------------------------------------------------------- |
|
180 // |
|
181 TVersion RHWRMHapticsSession::ServerVersion() const |
|
182 { |
|
183 return TVersion( KServerVersionMajor, |
|
184 KServerVersionMinor, |
|
185 KServerVersionBuild ); |
|
186 } |
|
187 |
|
188 // --------------------------------------------------------------------------- |
|
189 // Makes connection to server. |
|
190 // --------------------------------------------------------------------------- |
|
191 // |
|
192 TInt RHWRMHapticsSession::MakeConnection() |
|
193 { |
|
194 // Try connection twice, if not successful on the first attempt |
|
195 TInt retry( 2 ); |
|
196 TInt err( KErrNone ); |
|
197 |
|
198 while ( retry > 0 ) |
|
199 { |
|
200 // try to create a session to the server |
|
201 err = CreateSession( KServerProcessName, |
|
202 ServerVersion(), |
|
203 KDefaultAsyncSlots ); |
|
204 |
|
205 COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::MakeConnection - CreateSession returned: err(%d)" ), err ) ); |
|
206 |
|
207 if ( err != KErrNotFound && err != KErrServerTerminated ) |
|
208 { |
|
209 retry = 0; // KErrNone or unrecoverable error |
|
210 } |
|
211 else |
|
212 { |
|
213 // Return code was KErrNotFound or KErrServerTerminated. |
|
214 // Try to start the Haptics server |
|
215 err = StartServer(); |
|
216 |
|
217 COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::MakeConnection - StartServer returned: err(%d)" ), err ) ); |
|
218 |
|
219 if ( err != KErrNone && err != KErrAlreadyExists ) |
|
220 { |
|
221 retry = 0; // Unrecoverable error |
|
222 } |
|
223 } |
|
224 |
|
225 retry--; |
|
226 } |
|
227 |
|
228 return err; |
|
229 } |
|
230 // End of File |