|
1 // Copyright (c) 2002-2009 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 // Name : CReceiverTcp.cpp |
|
15 // Part of : ConnectionMgr |
|
16 // Version : SIP/4.0 |
|
17 // |
|
18 |
|
19 |
|
20 |
|
21 |
|
22 #include "CReceiverTcp.h" |
|
23 #include "SipLogs.h" |
|
24 #include "CSipConnection.h" |
|
25 #include "MContext.h" |
|
26 #include "CErrorHandler.h" |
|
27 #include "CSIPMsgAssembler.h" |
|
28 #include "CSocketContainer.h" |
|
29 |
|
30 // ----------------------------------------------------------------------------- |
|
31 // CReceiverTcp::NewL |
|
32 // ----------------------------------------------------------------------------- |
|
33 // |
|
34 CReceiverTcp* CReceiverTcp::NewL(MContext& aContext) |
|
35 { |
|
36 CReceiverTcp* self = NewLC(aContext); |
|
37 CleanupStack::Pop(self); |
|
38 return self; |
|
39 } |
|
40 |
|
41 // ----------------------------------------------------------------------------- |
|
42 // CReceiverTcp::NewLC |
|
43 // ----------------------------------------------------------------------------- |
|
44 // |
|
45 CReceiverTcp* CReceiverTcp::NewLC(MContext& aContext) |
|
46 { |
|
47 CReceiverTcp* self = new (ELeave) CReceiverTcp(aContext); |
|
48 CleanupStack::PushL(self); |
|
49 self->ConstructL(); |
|
50 return self; |
|
51 } |
|
52 |
|
53 // ----------------------------------------------------------------------------- |
|
54 // CReceiverTcp::ConstructL |
|
55 // ----------------------------------------------------------------------------- |
|
56 // |
|
57 void CReceiverTcp::ConstructL() |
|
58 { |
|
59 iNextLength = CSIPMsgAssembler::EMsgBufferSize; |
|
60 CActiveScheduler::Add(this); |
|
61 iMsgAssembler = CSIPMsgAssembler::NewL(*this, *iContext.SigCompHandler()); |
|
62 } |
|
63 |
|
64 // ----------------------------------------------------------------------------- |
|
65 // CReceiverTcp::RunL |
|
66 // ----------------------------------------------------------------------------- |
|
67 // |
|
68 void CReceiverTcp::RunL() |
|
69 { |
|
70 TInt status( iStatus.Int() ); |
|
71 |
|
72 TBool disconnected( EFalse ); |
|
73 |
|
74 switch ( iReceiverState ) |
|
75 { |
|
76 case EConnecting: |
|
77 { |
|
78 if ( status == KErrNone ) |
|
79 { |
|
80 iReceiverState = EConnected; |
|
81 |
|
82 if ( iContext.ConnectionOpenL() ) |
|
83 { |
|
84 // Context allowed receiving after connection was established |
|
85 ReceiveDataL(); |
|
86 } |
|
87 } |
|
88 else |
|
89 { |
|
90 disconnected = ETrue; |
|
91 } |
|
92 break; |
|
93 } |
|
94 case EShuttingDown: |
|
95 { |
|
96 disconnected = ETrue; |
|
97 break; |
|
98 } |
|
99 default: // EIdle, EConnected |
|
100 { |
|
101 if ( status == KErrEof ) |
|
102 { |
|
103 disconnected = ETrue; |
|
104 } |
|
105 if ( status == KErrNone ) |
|
106 { |
|
107 __SIP_MESSAGE_LOG( "Connection Manager::ReceivedFromNetwork", |
|
108 *iReceivedMsg ) |
|
109 __SIP_DES8_LOG( "Received data via TCP", *iReceivedMsg ) |
|
110 |
|
111 iMsgAssembler->InputL( iReceivedMsg, iNextLength ); |
|
112 iReceivedMsg = 0; // Ownership was transferred to assembler |
|
113 |
|
114 ReceiveDataL(); // May lead to self deletion |
|
115 } |
|
116 break; |
|
117 } |
|
118 } |
|
119 |
|
120 if ( disconnected ) |
|
121 { |
|
122 __SIP_INT_LOG1( "TCP connection disconnected, status:", status ) |
|
123 |
|
124 iContext.DisconnectedL(); // Leads to self deletion |
|
125 } |
|
126 } |
|
127 |
|
128 // ----------------------------------------------------------------------------- |
|
129 // CReceiverTcp::MessageCompleteL |
|
130 // ----------------------------------------------------------------------------- |
|
131 // |
|
132 void CReceiverTcp::MessageCompleteL(CSIPMessage* aSIPMessage, |
|
133 TInt aError, |
|
134 TBool aCompressed) |
|
135 { |
|
136 TInetAddr addr; |
|
137 iContext.SocketContainer().RemoteName(addr); |
|
138 iContext.ReceivedDataL(aSIPMessage, addr, aError, aCompressed); |
|
139 } |
|
140 |
|
141 // ----------------------------------------------------------------------------- |
|
142 // CReceiverTcp::DoCancel |
|
143 // ----------------------------------------------------------------------------- |
|
144 // |
|
145 void CReceiverTcp::DoCancel() |
|
146 { |
|
147 if ( iReceiverState == EConnected ) |
|
148 { |
|
149 iContext.SocketContainer().CancelRecv(); |
|
150 } |
|
151 else |
|
152 { |
|
153 iContext.SocketContainer().Socket().CancelAll(); |
|
154 } |
|
155 RemoveReceived(); |
|
156 } |
|
157 |
|
158 // ----------------------------------------------------------------------------- |
|
159 // CReceiverTcp::RunError |
|
160 // ----------------------------------------------------------------------------- |
|
161 // |
|
162 TInt CReceiverTcp::RunError(TInt /*aError*/) |
|
163 { |
|
164 return iContext.Remove(); |
|
165 } |
|
166 |
|
167 // ----------------------------------------------------------------------------- |
|
168 // CReceiverTcp::ReceiveDataL |
|
169 // ----------------------------------------------------------------------------- |
|
170 // |
|
171 void CReceiverTcp::ReceiveDataL() |
|
172 { |
|
173 if (!IsActive()) |
|
174 { |
|
175 RemoveReceived(); |
|
176 |
|
177 // Trying to allocate KMaxTInt/2 or more bytes causes panic |
|
178 __ASSERT_ALWAYS( iNextLength < KMaxTInt/2, User::Leave(KErrOverflow) ); |
|
179 |
|
180 iReceivedMsg = HBufC8::NewL(iNextLength); |
|
181 iReceivedMsgPtr.Set(iReceivedMsg->Des()); |
|
182 iContext.SocketContainer().RecvOneOrMore(iReceivedMsgPtr, |
|
183 0, |
|
184 iStatus, |
|
185 iSockLenght); |
|
186 SetActive(); |
|
187 } |
|
188 } |
|
189 |
|
190 // ----------------------------------------------------------------------------- |
|
191 // CReceiverTcp::Connect |
|
192 // ----------------------------------------------------------------------------- |
|
193 // |
|
194 void CReceiverTcp::Connect(TInetAddr& aRemoteAddr) |
|
195 { |
|
196 if(!IsActive()) |
|
197 { |
|
198 iContext.SocketContainer().Connect(aRemoteAddr, iStatus); |
|
199 iReceiverState = EConnecting; |
|
200 SetActive(); |
|
201 } |
|
202 } |
|
203 |
|
204 // ----------------------------------------------------------------------------- |
|
205 // CReceiverTcp::Shutdown |
|
206 // ----------------------------------------------------------------------------- |
|
207 // |
|
208 void CReceiverTcp::Shutdown() |
|
209 { |
|
210 Cancel(); |
|
211 iContext.SocketContainer().Socket().Shutdown( RSocket::ENormal, iStatus ); |
|
212 iReceiverState = EShuttingDown; |
|
213 SetActive(); |
|
214 } |
|
215 |
|
216 // ----------------------------------------------------------------------------- |
|
217 // CReceiverTcp::~CReceiverTcp |
|
218 // ----------------------------------------------------------------------------- |
|
219 // |
|
220 CReceiverTcp::~CReceiverTcp() |
|
221 { |
|
222 Cancel(); |
|
223 RemoveReceived(); |
|
224 delete iMsgAssembler; |
|
225 } |
|
226 |
|
227 // ----------------------------------------------------------------------------- |
|
228 // CReceiverTcp::CReceiverTcp |
|
229 // ----------------------------------------------------------------------------- |
|
230 // |
|
231 CReceiverTcp::CReceiverTcp(MContext& aContext) : |
|
232 CActive(CActive::EPriorityStandard), |
|
233 iContext(aContext), |
|
234 iReceivedMsgPtr(0,0,0), |
|
235 iReceiverState( EIdle ) |
|
236 { |
|
237 } |
|
238 |
|
239 // ----------------------------------------------------------------------------- |
|
240 // CReceiverTcp::RemoveReceived |
|
241 // ----------------------------------------------------------------------------- |
|
242 // |
|
243 void CReceiverTcp::RemoveReceived() |
|
244 { |
|
245 delete iReceivedMsg; |
|
246 iReceivedMsg = 0; |
|
247 } |
|
248 |
|
249 // End of file |