|
1 /* |
|
2 * Copyright (c) 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: Metadata Harvester server's client |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 |
|
20 |
|
21 |
|
22 |
|
23 |
|
24 // INCLUDE FILES |
|
25 |
|
26 #include "mdhclientsession.h" |
|
27 #include "mdhcommon.h" |
|
28 #include "msdebug.h" |
|
29 |
|
30 |
|
31 // CONSTANTS |
|
32 // Number of retries to start server |
|
33 const TInt KServerRetries = 2; |
|
34 |
|
35 // =========================== LOCAL FUNCTIONS =============================== |
|
36 |
|
37 // --------------------------------------------------------------------------- |
|
38 // StartServer |
|
39 // Starts the CM Metadata Harvester server. |
|
40 // Returns: TInt error: Error status of the CM Metadata Harvester startup. |
|
41 // --------------------------------------------------------------------------- |
|
42 // |
|
43 // --------------------------------------------------------------------------- |
|
44 // StartServer |
|
45 // Creates a new process for the server and starts it up. |
|
46 // --------------------------------------------------------------------------- |
|
47 // |
|
48 static TInt StartServer() |
|
49 { |
|
50 LOG(_L("[CmMdh Server]\t StartServer\n")); |
|
51 |
|
52 TInt result( KErrNone ); |
|
53 // create server - if one of this name does not already exist |
|
54 TFindServer findServer( KCmMdhServerName ); |
|
55 TFullName name; |
|
56 if ( findServer.Next( name ) != KErrNone ) // we don't exist already |
|
57 { |
|
58 |
|
59 TRequestStatus status( KRequestPending ); |
|
60 RProcess server; |
|
61 // Create the server process |
|
62 result = server.Create( KCmMdhServerExe, KNullDesC ); |
|
63 if( result != KErrNone ) |
|
64 { |
|
65 return result; |
|
66 } |
|
67 |
|
68 // Process created successfully |
|
69 server.Resume(); // start it going |
|
70 server.Rendezvous( status ); |
|
71 |
|
72 // Wait until the completion of the server creation |
|
73 // server signals us when it's up |
|
74 User::WaitForRequest( status ); |
|
75 |
|
76 |
|
77 if( status != KErrNone ) |
|
78 { |
|
79 server.Close(); |
|
80 return status.Int(); |
|
81 } |
|
82 |
|
83 |
|
84 // Server created successfully |
|
85 server.Close(); // we can close the handle to server process now |
|
86 } |
|
87 return result; |
|
88 } |
|
89 |
|
90 |
|
91 // ========================== MEMBER FUNCTIONS =============================== |
|
92 |
|
93 // --------------------------------------------------------------------------- |
|
94 // RCmMdhSession::RCmMdhSession |
|
95 // C++ default constructor can NOT contain any code, that |
|
96 // might leave. |
|
97 // --------------------------------------------------------------------------- |
|
98 // |
|
99 RCmMdhSession::RCmMdhSession() |
|
100 { |
|
101 } |
|
102 |
|
103 |
|
104 // --------------------------------------------------------------------------- |
|
105 // RCmMdhSession::Connect |
|
106 // Starts and creates a session of CM Metadata Harvester |
|
107 // --------------------------------------------------------------------------- |
|
108 // |
|
109 TInt RCmMdhSession::Connect() |
|
110 { |
|
111 TInt tryLoop = 0; |
|
112 TInt errCode = 0; |
|
113 |
|
114 for ( tryLoop = 0; tryLoop < KServerRetries; tryLoop++ ) |
|
115 { |
|
116 errCode = CreateSession(KCmMdhServerName, |
|
117 TVersion( KCmMdhServerMajor, KCmMdhServerMinor, |
|
118 KCmMdhServerBuild ) ); |
|
119 //gives MessageSlots of -1 |
|
120 //this uses global pool rather than local pool |
|
121 |
|
122 TRACE(Print(_L("[CmMdh Server]\t RCmMdhSession::Connect New Session \ |
|
123 created with status %d\n"), errCode)); |
|
124 if( errCode == KErrNotSupported ) |
|
125 { |
|
126 TRACE(Print(_L("[CmMdh Server]\t Version not supported!\n") )); |
|
127 return errCode; |
|
128 } |
|
129 if ( errCode != KErrNotFound && errCode != KErrServerTerminated ) |
|
130 { |
|
131 return errCode; |
|
132 } |
|
133 |
|
134 errCode = StartServer(); |
|
135 |
|
136 if ( errCode != KErrNone && errCode != KErrAlreadyExists ) |
|
137 { |
|
138 return errCode; |
|
139 } |
|
140 |
|
141 } |
|
142 return errCode; |
|
143 } |
|
144 |
|
145 // --------------------------------------------------------------------------- |
|
146 // RCmMdhSession::SearchMediaServers |
|
147 // Searchs for neighborhood media servers |
|
148 // --------------------------------------------------------------------------- |
|
149 // |
|
150 void RCmMdhSession::SearchMediaservers( TRequestStatus& aStatus ) |
|
151 { |
|
152 LOG(_L("[CmMdh Server]\t RCmMdhSession::SearchMediaservers\n")); |
|
153 |
|
154 SendReceive(ECmMdhSearchMediaservers, TIpcArgs(), aStatus); |
|
155 } |
|
156 |
|
157 |
|
158 // --------------------------------------------------------------------------- |
|
159 // RCmMdhSession::Harvest |
|
160 // Harvests and synchronizes metadata from found mediaservers |
|
161 // --------------------------------------------------------------------------- |
|
162 // |
|
163 void RCmMdhSession::Harvest( TRequestStatus& aStatus ) |
|
164 { |
|
165 LOG(_L("[CmMdh Server]\t RCmMdhSession::SearchMediaServers\n")); |
|
166 |
|
167 SendReceive(ECmMdhHarvest, TIpcArgs(), aStatus); |
|
168 } |
|
169 |
|
170 // --------------------------------------------------------------------------- |
|
171 // RCmMdhSession::Cancel |
|
172 // --------------------------------------------------------------------------- |
|
173 // |
|
174 void RCmMdhSession::Cancel() |
|
175 { |
|
176 LOG(_L("[CmMdh Server]\t RCmMdhSession::Cancel\n")); |
|
177 |
|
178 SendReceive(ECmMdhCancel, TIpcArgs()); |
|
179 } |
|
180 |
|
181 |
|
182 |