|
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: Initiates an ICY session. |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 /* --------------------------------------------------------------------------- |
|
20 * Version history: |
|
21 * Template version: |
|
22 * <ccm_history> |
|
23 * |
|
24 * Version: 3, Tue Mar 11 20:00:00 2008 by Rohit |
|
25 * Ref: |
|
26 * Merged IRv1.0 Engine code changes |
|
27 * |
|
28 * Version: 2, Tue Feb 28 18:00:00 2008 by Rohit/Kranthi |
|
29 * Ref: |
|
30 * Added NetworkController instance for Byte Counter Impl |
|
31 * |
|
32 * </ccm_history> |
|
33 * ============================================================================ |
|
34 */ |
|
35 |
|
36 #ifndef IR_IRICYFLOWINITIATOR |
|
37 #define IR_IRICYFLOWINITIATOR |
|
38 |
|
39 #include <e32base.h> |
|
40 |
|
41 #include "irsockettimeouttimer.h" |
|
42 |
|
43 class RSocket; |
|
44 class CIRStationConnection; |
|
45 class TChannelInfo; |
|
46 class CIRNetworkController; |
|
47 |
|
48 /** |
|
49 * This class manages the connection to a channel server |
|
50 */ |
|
51 NONSHARABLE_CLASS ( CIRIcyFlowInitiator ) : public CActive, public MIRSocketTimeoutNotifier |
|
52 { |
|
53 public: |
|
54 |
|
55 /** |
|
56 * Standard Symbian two-phase construction |
|
57 * |
|
58 * @param aSocket Socket to be read. |
|
59 * @param aUri The URI of the ICY source (channel server) |
|
60 * @param aOwner The owner of this CIRIcyFlowReader |
|
61 * @param aChannelInfo Information describing the ICY session (to be filled) |
|
62 * @return Instance of CIRIcyFlowInitiator |
|
63 */ |
|
64 static CIRIcyFlowInitiator* NewL( RSocket& aSocket, const TDesC& aUri, |
|
65 CIRStationConnection& aOwner, TChannelInfo& aChannelInfo ); |
|
66 |
|
67 /** |
|
68 * Default C++ destructor |
|
69 */ |
|
70 ~CIRIcyFlowInitiator(); |
|
71 |
|
72 /** |
|
73 * From base class MIRSocketTimeoutNotifier |
|
74 */ |
|
75 void TimerExpired(); |
|
76 |
|
77 /** |
|
78 * Send an ICY session request (ICY GET) to the channel server |
|
79 */ |
|
80 void RequestFlow(); |
|
81 |
|
82 protected: |
|
83 |
|
84 // From base class CActive |
|
85 |
|
86 /** |
|
87 * From base class CActive. |
|
88 */ |
|
89 void RunL(); |
|
90 |
|
91 /** |
|
92 * From base class CActive. |
|
93 */ |
|
94 TInt RunError(TInt aError); |
|
95 |
|
96 /** |
|
97 * From base class CActive. |
|
98 */ |
|
99 void DoCancel(); |
|
100 |
|
101 private: |
|
102 /** |
|
103 * The states of the flow initiator |
|
104 */ |
|
105 enum TIRIcyFlowInitiatorState |
|
106 { |
|
107 EIRIdle, |
|
108 EIRSending, |
|
109 EIRReceiving, |
|
110 EIRFinished |
|
111 }; |
|
112 |
|
113 private: |
|
114 |
|
115 /** |
|
116 * C++ constructor. |
|
117 * |
|
118 * @param aSocket Socket to be read. |
|
119 * @param aUri The URI of the ICY source (channel server) |
|
120 * @param aOwner The owner of this CIRIcyFlowReader |
|
121 * @param aChannelInfo Information describing the ICY session (to be filled) |
|
122 * @return Instance of CIRIcyFlowInitiator |
|
123 */ |
|
124 CIRIcyFlowInitiator( RSocket& aSocket, const TDesC& aUri, CIRStationConnection& aOwner, |
|
125 TChannelInfo& aChannelInfo ); |
|
126 |
|
127 /** |
|
128 * Standard Symbian second-phase construction. |
|
129 */ |
|
130 void ConstructL(); |
|
131 |
|
132 /** |
|
133 * Parse and validate the url |
|
134 * |
|
135 * @return ETrue if all the URI components could be extracted, EFalse otherwise. |
|
136 */ |
|
137 TBool ExtractUriComponentsL(); |
|
138 |
|
139 /** |
|
140 * Validates the response from the channel server |
|
141 * |
|
142 * @return ETrue if channel server is acceptable. |
|
143 */ |
|
144 TBool ValidateChannelServer(); |
|
145 |
|
146 /** |
|
147 * Parses the channel headers to get the channel information |
|
148 */ |
|
149 void ParseChannelInfoL(); |
|
150 |
|
151 /** |
|
152 * Extract the specified meta data information |
|
153 * |
|
154 * @param aMetaField Metafield to be extracted |
|
155 * @param aBuffer Buffer into which the meta data is to be extracted |
|
156 * @return ETrue if extraction is sucessful, EFalse otherwise |
|
157 */ |
|
158 TBool ExtractMetaInfoL(const TDesC8& aMetaField, TDes8 &aBuffer ) const; |
|
159 |
|
160 private: |
|
161 |
|
162 /** |
|
163 * Used for timeout mechanism. |
|
164 * Owned. |
|
165 */ |
|
166 CIRSocketTimeOutTimer* iSocketTimer; |
|
167 |
|
168 /** |
|
169 * Holds the resolved host information. |
|
170 * Owned. |
|
171 */ |
|
172 RBuf8 iHost; |
|
173 |
|
174 /** |
|
175 * Holds the resolved path information. |
|
176 * Owned. |
|
177 */ |
|
178 RBuf8 iPath; |
|
179 |
|
180 /** |
|
181 * Incoming data buffer. |
|
182 * Owned. |
|
183 */ |
|
184 RBuf8 iBuffer; |
|
185 |
|
186 /** |
|
187 * Buffer used to read the data from socket. |
|
188 * Owned. |
|
189 */ |
|
190 RBuf8 iReadBuffer; |
|
191 |
|
192 /** |
|
193 * Holds the UAProf string. |
|
194 * Owned. |
|
195 */ |
|
196 RBuf8 iUAProfString; |
|
197 |
|
198 /** |
|
199 * Indicates the state of this IRIcyFlowInitiator |
|
200 */ |
|
201 TIRIcyFlowInitiatorState iState; |
|
202 |
|
203 /** |
|
204 * Socket connected to channel server |
|
205 */ |
|
206 RSocket& iSocket; |
|
207 |
|
208 /** |
|
209 * Reference to the URI associated with the channel server |
|
210 */ |
|
211 const TDesC& iUri; |
|
212 |
|
213 /** |
|
214 * Owner of this object in whole-part relation. |
|
215 */ |
|
216 CIRStationConnection& iOwner; |
|
217 |
|
218 /** |
|
219 * Information about the current ICY session. |
|
220 */ |
|
221 TChannelInfo& iChannelInfo; |
|
222 |
|
223 CIRNetworkController* iNetworkControllerHandle; |
|
224 }; |
|
225 |
|
226 #endif // IR_IRICYFLOWINITIATOR |
|
227 |
|
228 |
|
229 |