|
1 // Copyright (c) 2003-2009 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 : sipdialogtrying.cpp |
|
15 // Part of : SIPAPI |
|
16 // Version : SIP/4.0 |
|
17 // |
|
18 |
|
19 |
|
20 |
|
21 #include "SipAssert.h" |
|
22 #include "sip.h" |
|
23 #include "siperr.h" |
|
24 #include "siptoheader.h" |
|
25 #include "SipConnectionImplementation.h" |
|
26 #include "sipclientconnection.h" |
|
27 #include "sipdialogtrying.h" |
|
28 #include "SipDialogImplementation.h" |
|
29 #include "sipclienttransaction.h" |
|
30 #include "sipservertransaction.h" |
|
31 #include "sipmessageelements.h" |
|
32 #include "sipresponseelements.h" |
|
33 #include "sipinvitedialogassoc.h" |
|
34 #include "sipsubscribedialogassoc.h" |
|
35 #include "sipreferdialogassoc.h" |
|
36 #include "sipconnectioncallback.h" |
|
37 #include "sipstrings.h" |
|
38 #include "sipstrconsts.h" |
|
39 |
|
40 |
|
41 // ----------------------------------------------------------------------------- |
|
42 // CDialogTrying::NewL |
|
43 // ----------------------------------------------------------------------------- |
|
44 // |
|
45 CDialogTrying* CDialogTrying::NewL() |
|
46 { |
|
47 return new (ELeave) CDialogTrying(); |
|
48 } |
|
49 |
|
50 // ----------------------------------------------------------------------------- |
|
51 // CDialogTrying::CDialogTrying |
|
52 // ----------------------------------------------------------------------------- |
|
53 // |
|
54 CDialogTrying::CDialogTrying() |
|
55 { |
|
56 } |
|
57 |
|
58 // ----------------------------------------------------------------------------- |
|
59 // CDialogTrying::~CDialogTrying |
|
60 // ----------------------------------------------------------------------------- |
|
61 // |
|
62 CDialogTrying::~CDialogTrying() |
|
63 { |
|
64 } |
|
65 |
|
66 // ----------------------------------------------------------------------------- |
|
67 // CDialogTrying::State |
|
68 // ----------------------------------------------------------------------------- |
|
69 // |
|
70 CSIPDialog::TState CDialogTrying::State() const |
|
71 { |
|
72 return CSIPDialog::EInit; |
|
73 } |
|
74 |
|
75 // ----------------------------------------------------------------------------- |
|
76 // CDialogTrying::SetNeighbourStates |
|
77 // ----------------------------------------------------------------------------- |
|
78 // |
|
79 void CDialogTrying::SetNeighbourStates(CDialogState& aEarly, |
|
80 CDialogState& aConfirmed, |
|
81 CDialogState& aTerminated) |
|
82 { |
|
83 iEarly = &aEarly; |
|
84 iConfirmed = &aConfirmed; |
|
85 iTerminated = &aTerminated; |
|
86 } |
|
87 |
|
88 // ----------------------------------------------------------------------------- |
|
89 // CDialogTrying::SendInviteL |
|
90 // Only the initial request creating the dialog, can be sent in Trying state. |
|
91 // ----------------------------------------------------------------------------- |
|
92 // |
|
93 CSIPClientTransaction* |
|
94 CDialogTrying::SendInviteL(const CSIPDialogImplementation& aDialog, |
|
95 CSIPInviteDialogAssoc& aAssoc, |
|
96 CSIPMessageElements* aElements) const |
|
97 { |
|
98 aDialog.CheckNoTransactionExistsL(); |
|
99 return aAssoc.DoSendInviteL(aElements); |
|
100 } |
|
101 |
|
102 // ----------------------------------------------------------------------------- |
|
103 // CDialogTrying::SendSubscribeL |
|
104 // Only the initial request creating the dialog, can be sent in Trying state. |
|
105 // ----------------------------------------------------------------------------- |
|
106 // |
|
107 CSIPClientTransaction* |
|
108 CDialogTrying::SendSubscribeL(const CSIPDialogImplementation& aDialog, |
|
109 CSIPSubscribeDialogAssoc& aAssoc, |
|
110 CSIPMessageElements* aElements, |
|
111 CSIPRefresh* aRefresh) const |
|
112 { |
|
113 aDialog.CheckNoTransactionExistsL(); |
|
114 return aAssoc.DoSendSubscribeL(aElements, aRefresh, EFalse); |
|
115 } |
|
116 |
|
117 // ----------------------------------------------------------------------------- |
|
118 // CDialogTrying::SendReferL |
|
119 // Only the initial request creating the dialog, can be sent in Trying state. |
|
120 // ----------------------------------------------------------------------------- |
|
121 // |
|
122 CSIPClientTransaction* |
|
123 CDialogTrying::SendReferL(const CSIPDialogImplementation& aDialog, |
|
124 CSIPReferDialogAssoc& aAssoc, |
|
125 CSIPMessageElements* aElements) const |
|
126 { |
|
127 aDialog.CheckNoTransactionExistsL(); |
|
128 return aAssoc.DoSendReferL(aElements, EFalse); |
|
129 } |
|
130 |
|
131 // ----------------------------------------------------------------------------- |
|
132 // CDialogTrying::SendResponseL |
|
133 // This is the first response sent and it can't be a 100 response. A 101-299 |
|
134 // response creates a dialog, a 300-699 response does not. |
|
135 // ----------------------------------------------------------------------------- |
|
136 // |
|
137 void CDialogTrying::SendResponseL(CSIPDialogImplementation& aDialog, |
|
138 const CSIPResponseElements& aElements, |
|
139 TUint32 aRequestId, |
|
140 TBool aAffectsDialogState, |
|
141 TBool /*aTargetRefresh*/) const |
|
142 { |
|
143 __SIP_ASSERT_LEAVE(aAffectsDialogState, KErrArgument); |
|
144 |
|
145 CSIPConnection* connection = aDialog.Connection(); |
|
146 __ASSERT_ALWAYS(connection, User::Leave(KErrSIPResourceNotAvailable)); |
|
147 |
|
148 CSIPClientConnection& client = |
|
149 connection->Implementation().ClientConnectionL(); |
|
150 if (aElements.StatusCode() >= 300) |
|
151 { |
|
152 client.SendResponseL(aElements, aRequestId); |
|
153 aDialog.ChangeState(iTerminated); |
|
154 } |
|
155 else |
|
156 { |
|
157 TUint32 dialogId(0); |
|
158 client.SendResponseAndCreateDialogL(aElements, aRequestId, |
|
159 dialogId, aDialog.RegistrationId()); |
|
160 aDialog.SetDialogId(dialogId); |
|
161 aDialog.StoreCallIdL(); |
|
162 aDialog.FillLocalTagL(EFalse); |
|
163 |
|
164 //Enter next state when the response has been successfully sent |
|
165 if (aElements.StatusCode() >= 200) |
|
166 { |
|
167 aDialog.ChangeState(iConfirmed); |
|
168 } |
|
169 else |
|
170 { |
|
171 //TransactionUser will add to-tag into other responses than 100 |
|
172 aDialog.ChangeState(iEarly); |
|
173 } |
|
174 } |
|
175 } |
|
176 |
|
177 // ----------------------------------------------------------------------------- |
|
178 // CDialogTrying::IncomingResponseL |
|
179 // ----------------------------------------------------------------------------- |
|
180 // |
|
181 TBool |
|
182 CDialogTrying::IncomingResponseL(CSIPDialogImplementation& aDialog, |
|
183 CSIPResponseElements* aElements, |
|
184 TUint32 aRequestId, |
|
185 TUint32 /*aDialogId*/, |
|
186 CConnectionCallback& aCallback) const |
|
187 { |
|
188 __SIP_ASSERT_LEAVE(aElements, KErrArgument); |
|
189 |
|
190 CSIPTransactionBase* ta = NULL; |
|
191 CSIPDialogAssocBase* assoc = NULL; |
|
192 if (aDialog.FindTransactionAndAssoc(aRequestId, &ta, &assoc)) |
|
193 { |
|
194 __SIP_ASSERT_LEAVE(ta->IsSIPClientTransaction(), KErrGeneral); |
|
195 aDialog.UpdateRemoteTargetL(ta->Type(), aElements->MessageElements()); |
|
196 |
|
197 __SIP_ASSERT_LEAVE(aElements->ToHeader() != NULL, KErrArgument); |
|
198 aDialog.FillRemoteTagL(*aElements->ToHeader()); |
|
199 |
|
200 CSIPClientTransaction* clientTa = |
|
201 static_cast<CSIPClientTransaction*>(ta); |
|
202 clientTa->SetResponseElements(aElements); |
|
203 |
|
204 aDialog.UpdateState(*clientTa, |
|
205 *iEarly, |
|
206 *iConfirmed, |
|
207 *iTerminated); |
|
208 aCallback.Set(CConnectionCallback::EIncomingResponse, |
|
209 clientTa, |
|
210 NULL, |
|
211 NULL, |
|
212 assoc); |
|
213 return ETrue; |
|
214 } |
|
215 |
|
216 //Transaction not found, ignore response |
|
217 delete aElements; |
|
218 return EFalse; |
|
219 } |
|
220 |
|
221 // ----------------------------------------------------------------------------- |
|
222 // CDialogTrying::IncomingResponseL |
|
223 // ----------------------------------------------------------------------------- |
|
224 // |
|
225 TBool CDialogTrying::IncomingResponseL(CSIPDialogImplementation& aDialog, |
|
226 CSIPResponseElements* aElements, |
|
227 TUint32 aRequestId, |
|
228 TUint32 aRefreshId, |
|
229 TUint32 /*aDialogId*/, |
|
230 CConnectionCallback& aCallback) const |
|
231 { |
|
232 return ResponseToRefreshL(aDialog, |
|
233 aElements, |
|
234 aRequestId, |
|
235 aRefreshId, |
|
236 aCallback, |
|
237 *iEarly, |
|
238 *iConfirmed, |
|
239 *iTerminated); |
|
240 } |
|
241 |
|
242 // ----------------------------------------------------------------------------- |
|
243 // CDialogTrying::IncomingRequestL |
|
244 // ----------------------------------------------------------------------------- |
|
245 // |
|
246 TBool CDialogTrying::IncomingRequestL(CSIPDialogImplementation& aDialog, |
|
247 CSIPServerTransaction* aTransaction, |
|
248 CConnectionCallback& aCallback) const |
|
249 { |
|
250 __SIP_ASSERT_LEAVE(aTransaction, KErrArgument); |
|
251 |
|
252 if (aTransaction->Type() == SIPStrings::StringF(SipStrConsts::ENotify) && |
|
253 aDialog.DoesNotifyConfirmDialog()) |
|
254 { |
|
255 aDialog.ChangeRefreshesToActive(); |
|
256 aDialog.ChangeState(iConfirmed); |
|
257 } |
|
258 |
|
259 return RequestReceivedL(aDialog, aTransaction, aCallback); |
|
260 } |
|
261 |
|
262 // ----------------------------------------------------------------------------- |
|
263 // CDialogTrying::ErrorOccured |
|
264 // ----------------------------------------------------------------------------- |
|
265 // |
|
266 TBool CDialogTrying::ErrorOccured(CSIPDialogImplementation& aDialog, |
|
267 TInt aError, |
|
268 TUint32 aRequestId, |
|
269 CConnectionCallback& aCallback) const |
|
270 { |
|
271 return HandleErrorOccurred(aDialog, |
|
272 aError, |
|
273 aRequestId, |
|
274 aCallback, |
|
275 *iTerminated); |
|
276 } |
|
277 |
|
278 // ----------------------------------------------------------------------------- |
|
279 // CDialogTrying::ErrorOccured |
|
280 // ----------------------------------------------------------------------------- |
|
281 // |
|
282 TBool CDialogTrying::ErrorOccured(CSIPDialogImplementation& aDialog, |
|
283 TInt aError, |
|
284 TUint32 aRefreshId, |
|
285 TUint32 /*aRequestId*/, |
|
286 CConnectionCallback& aCallback) const |
|
287 { |
|
288 return HandleRefreshErrorOccurred(aDialog, |
|
289 aError, |
|
290 aRefreshId, |
|
291 aCallback, |
|
292 *iTerminated); |
|
293 } |
|
294 |
|
295 // ----------------------------------------------------------------------------- |
|
296 // CDialogTrying::ConnectionLost |
|
297 // ----------------------------------------------------------------------------- |
|
298 // |
|
299 void CDialogTrying::ConnectionLost(CSIPDialogImplementation& aDialog) const |
|
300 { |
|
301 aDialog.ChangeState(iTerminated); |
|
302 } |