|
1 // Copyright (c) 2004-2009 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 // Implements the DHCP IP6 statemachine helper functions |
|
15 // |
|
16 // |
|
17 |
|
18 /** |
|
19 @file DHCPIP6StateMachine.cpp |
|
20 @internalTechnology |
|
21 */ |
|
22 |
|
23 #include "DHCPIP6States.h" |
|
24 #include "DhcpIP6MsgRcvr.h" |
|
25 #include "DHCPServer.h" |
|
26 |
|
27 #ifdef _DEBUG |
|
28 #include <e32property.h> |
|
29 #endif |
|
30 |
|
31 using namespace DHCPv6; |
|
32 |
|
33 CDHCPIP6StateMachine::~CDHCPIP6StateMachine() |
|
34 /** |
|
35 * Destructor of the If base class |
|
36 * |
|
37 * @internalTechnology |
|
38 * |
|
39 */ |
|
40 { |
|
41 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::~CDHCPIP6StateMachine"))); |
|
42 delete iMessageReader; |
|
43 iServerId.Close(); |
|
44 } |
|
45 |
|
46 #ifdef SYMBIAN_NETWORKING_ADDRESS_PROVISION |
|
47 CDHCPIP6StateMachine* CDHCPIP6StateMachine::NewL(RSocketServ& aEsock, RConnection& aConnection, const TName& aInterfaceName, CDhcpHwAddrManager* aDhcpHwAddrManager) |
|
48 /** |
|
49 * Creates a new instance of this class |
|
50 * |
|
51 * @internalTechnology |
|
52 * |
|
53 */ |
|
54 { |
|
55 CDHCPIP6StateMachine* stateMachine = new (ELeave) CDHCPIP6StateMachine(aEsock, aConnection, aInterfaceName, aDhcpHwAddrManager); |
|
56 CleanupStack::PushL(stateMachine); |
|
57 stateMachine->ConstructL(); |
|
58 CleanupStack::Pop(stateMachine); |
|
59 return stateMachine; |
|
60 } |
|
61 #else |
|
62 CDHCPIP6StateMachine* CDHCPIP6StateMachine::NewL(RSocketServ& aEsock, RConnection& aConnection, const TName& aInterfaceName) |
|
63 /** |
|
64 * Creates a new instance of this class |
|
65 * |
|
66 * @internalTechnology |
|
67 * |
|
68 */ |
|
69 { |
|
70 CDHCPIP6StateMachine* stateMachine = new (ELeave) CDHCPIP6StateMachine(aEsock, aConnection, aInterfaceName); |
|
71 CleanupStack::PushL(stateMachine); |
|
72 stateMachine->ConstructL(); |
|
73 CleanupStack::Pop(stateMachine); |
|
74 return stateMachine; |
|
75 } |
|
76 #endif //SYMBIAN_NETWORKING_ADDRESS_PROVISION |
|
77 void CDHCPIP6StateMachine::ConstructL() |
|
78 /** |
|
79 * Creates socket and connections for the object |
|
80 * |
|
81 * |
|
82 * @internalTechnology |
|
83 * |
|
84 */ |
|
85 { |
|
86 CDHCPStateMachine::ConstructL(); |
|
87 |
|
88 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::ConstructL"))); |
|
89 |
|
90 ReAllocL(KDhcpInitMsgSizeIP6); |
|
91 iDhcpMessage = new(ELeave)CDHCPMessageHeaderIP6(iFragment); |
|
92 iMessageReader = new(ELeave)CDhcpIP6MessageReader( *this ); |
|
93 iMessageSender = new(ELeave)CDHCPIP6MessageSender(this,iSocket,&iTaskStartedAt,KAfInet6); |
|
94 } |
|
95 |
|
96 void CDHCPIP6StateMachine::GetServerAddress( TInetAddr& aAddress ) |
|
97 { |
|
98 iInterfaceConfigInfo.GetServerAddress( aAddress ); |
|
99 } |
|
100 |
|
101 void CDHCPIP6StateMachine::SetCurrentAddress(const TInetAddr& aCurrentAddress, const TInetAddr& /*aSubnetMask*/) |
|
102 { |
|
103 CDHCPStateMachine::SetCurrentAddress( aCurrentAddress ); |
|
104 } |
|
105 |
|
106 void CDHCPIP6StateMachine::StartInitL(MStateMachineNotify* aStateMachineNotify, EInitialisationContext aInitialisationContext, TInt aUserTimeOut ) |
|
107 /** |
|
108 * StartInitL |
|
109 * |
|
110 * This function is called to start the IP address solicitation state machine |
|
111 * we don't support rapid commit option for now |
|
112 * |
|
113 * @internalTechnology |
|
114 */ |
|
115 { |
|
116 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::StartSolicitationL"))); |
|
117 ASSERT(!iFirstState);//the states should be deleted by now or we are starting off |
|
118 |
|
119 SetIdle( EFalse ); |
|
120 iInterfaceConfigInfo.Reset(); |
|
121 |
|
122 #ifdef SYMBIAN_ESOCK_V3 |
|
123 if ( aInitialisationContext == CDHCPStateMachine::EFirstCall ) |
|
124 { |
|
125 iFirstState = new(ELeave) CDHCPIP6ListenToNeighbor(*this); |
|
126 } |
|
127 else |
|
128 #else |
|
129 (void)aInitialisationContext; |
|
130 #endif |
|
131 { |
|
132 iFirstState = new(ELeave) CDHCPIP6Solicit(*this, aUserTimeOut); |
|
133 CDHCPState* state1 = new(ELeave)CDHCPIP6Select(*this); |
|
134 iFirstState->SetNext( state1 ); |
|
135 CDHCPState* state2 = new(ELeave) CDHCPIP6Request(*this); |
|
136 state1->SetNext( state2 ); |
|
137 state2->SetNext( new(ELeave) CDHCPIP6WaitForDAD(*this) ); |
|
138 |
|
139 if (iStartInitCalls == CDHCPStateMachine::EFirstCall) |
|
140 { |
|
141 //This is the first time we're going to wait for a DCHP server. |
|
142 //If there is no server it we will complete the client after one attempt |
|
143 iStartInitCalls = aInitialisationContext; |
|
144 static_cast<CDHCPIP6Select*>(state1)->SetMaxRetryCount(1); |
|
145 } |
|
146 else |
|
147 { |
|
148 //We never found a DCHP server the first time, but this time try harder. |
|
149 static_cast<CDHCPIP6Select*>(state1)->SetMaxRetryCount(INT_MAX); |
|
150 } |
|
151 } |
|
152 |
|
153 CDHCPStateMachine::Start(aStateMachineNotify); |
|
154 } |
|
155 #ifdef SYMBIAN_TCPIPDHCP_UPDATE |
|
156 void CDHCPIP6StateMachine::StartInformL(MStateMachineNotify* aStateMachineNotify) |
|
157 /** |
|
158 * This function is called to send inform message if options are not |
|
159 * found in iValidMsg buffer |
|
160 * |
|
161 * @internalTechnology |
|
162 */ |
|
163 { |
|
164 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::StartInformL Dynamic Inform Request"))); |
|
165 ASSERT(!iFirstState); |
|
166 iFirstState = new(ELeave) CDHCPIP6InformRequest(*this); |
|
167 CDHCPState* request = new(ELeave) CDHCPIP6Request(*this); |
|
168 iFirstState->SetNext( request ); |
|
169 CDHCPStateMachine::Start(aStateMachineNotify); |
|
170 } |
|
171 #endif //SYMBIAN_TCPIPDHCP_UPDATE |
|
172 void CDHCPIP6StateMachine::StartInformL(MStateMachineNotify* aStateMachineNotify, TBool /*aStaticAddress*/) |
|
173 /** |
|
174 * StartInformL |
|
175 * |
|
176 * This function is called to start the inform for state-less configuration |
|
177 * |
|
178 * @internalTechnology |
|
179 */ |
|
180 { |
|
181 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::EInformRequest"))); |
|
182 ASSERT(!iFirstState); //the states should be deleted by now or we are starting off |
|
183 |
|
184 if (!iServerId.Length()) |
|
185 { |
|
186 iInterfaceConfigInfo.Reset(); |
|
187 } |
|
188 |
|
189 iFirstState = new(ELeave) CDHCPIP6InformRequest(*this); |
|
190 CDHCPState* state1 = new(ELeave) CDHCPIP6Request(*this); |
|
191 iFirstState->SetNext( state1 ); |
|
192 //static address is set but no wait for DAD here |
|
193 |
|
194 CDHCPStateMachine::Start(aStateMachineNotify); |
|
195 iCfgInfoOnly = ETrue; |
|
196 } |
|
197 |
|
198 #ifdef SYMBIAN_NETWORKING_DHCPSERVER |
|
199 |
|
200 void CDHCPIP6StateMachine::CreateOfferMsgL() |
|
201 { |
|
202 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::CreateOfferMsgL"))); |
|
203 } |
|
204 |
|
205 void CDHCPIP6StateMachine::HandleRequestMsgL()//CreateRequestResponseMsgL() |
|
206 { |
|
207 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::CreateRequestResponseMsgL"))); |
|
208 } |
|
209 |
|
210 void CDHCPIP6StateMachine::HandleInformMsgL() |
|
211 { |
|
212 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::HandleInformMsgL"))); |
|
213 } |
|
214 |
|
215 void CDHCPIP6StateMachine::PrepareToSendServerMsgL( CDHCPStateMachine::EAddressType /*aEAddressType*/) |
|
216 /** |
|
217 * PrepareToSendL |
|
218 * |
|
219 * This function is called to set the correct destination address |
|
220 * for messages before they are sent. |
|
221 * |
|
222 * @internalTechnology |
|
223 */ |
|
224 { |
|
225 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::PrepareToSendL"))); |
|
226 DhcpMessage()->Dump(); |
|
227 iMessageSender->Cancel(); |
|
228 } |
|
229 |
|
230 void CDHCPIP6StateMachine::CloseNSendServerMsgL(TRequestStatus& /*aStatus*/, CDHCPStateMachine::EAddressType /*aEAddressType*/) |
|
231 { |
|
232 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::CloseNSendServerMsgL"))); |
|
233 } |
|
234 |
|
235 CDHCPState* CDHCPIP6StateMachine::ReceiveOnPort67L( TRequestStatus* aStatus ) |
|
236 { |
|
237 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::ReceiveOn67"))); |
|
238 |
|
239 iDhcpMessage->InitialiseL(); |
|
240 iMessageReader->SetNext( iActiveEvent ); |
|
241 ASSERT( iReceiving == EFalse ); |
|
242 iReceiving = ETrue; |
|
243 return static_cast<CDHCPState*>(iMessageReader->ProcessL( *aStatus )); |
|
244 } |
|
245 |
|
246 void CDHCPIP6StateMachine::InitialiseServerSocketL() |
|
247 { |
|
248 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::InitialiseServerSocketL"))); |
|
249 } |
|
250 |
|
251 #endif // SYMBIAN_NETWORKING_DHCPSERVER |
|
252 |
|
253 void CDHCPIP6StateMachine::StartRebootL(MStateMachineNotify* aStateMachineNotify) |
|
254 /** |
|
255 * StartRebootL |
|
256 * |
|
257 * This function is called to start the confirm request state machine |
|
258 * used when trying to start using a previously assigned address still |
|
259 * with valid lease. |
|
260 * |
|
261 * @internalTechnology |
|
262 */ |
|
263 { |
|
264 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::StartConfirmL"))); |
|
265 ASSERT(!iFirstState);//the states should be deleted by now or we are starting off |
|
266 |
|
267 iFirstState = new(ELeave) CDHCPIP6Confirm(*this); |
|
268 CDHCPState* state1 = new(ELeave) CDHCPIP6Request(*this); |
|
269 iFirstState->SetNext( state1 ); |
|
270 state1->SetNext( new(ELeave) CDHCPIP6WaitForDAD(*this) ); |
|
271 |
|
272 CDHCPStateMachine::Start(aStateMachineNotify); |
|
273 } |
|
274 |
|
275 void CDHCPIP6StateMachine::StartRenewL(MStateMachineNotify* aStateMachineNotify,TInt aUserTimeOut) |
|
276 { |
|
277 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::StartRenewL"))); |
|
278 ASSERT(!iFirstState); |
|
279 |
|
280 iUserRebindTimeout = aUserTimeOut; |
|
281 iFirstState = new(ELeave) CDHCPIP6Renew(*this,aUserTimeOut); |
|
282 iFirstState->SetNext( new(ELeave) CDHCPIP6WaitForDAD(*this) ); |
|
283 |
|
284 CDHCPStateMachine::Start(aStateMachineNotify); |
|
285 } |
|
286 |
|
287 void CDHCPIP6StateMachine::StartRebindL(MStateMachineNotify* aStateMachineNotify) |
|
288 /** |
|
289 * StartRebindL |
|
290 * |
|
291 * This function is called to start the rebind state machine |
|
292 * |
|
293 * @internalTechnology |
|
294 */ |
|
295 { |
|
296 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::StartRebindL"))); |
|
297 ASSERT(!iFirstState);//the states should be deleted by now or we are starting off |
|
298 |
|
299 iFirstState = new(ELeave) CDHCPIP6Rebind(*this,iUserRebindTimeout); |
|
300 iFirstState->SetNext( new(ELeave) CDHCPIP6WaitForDAD(*this) ); |
|
301 |
|
302 CDHCPStateMachine::Start(aStateMachineNotify); |
|
303 } |
|
304 |
|
305 void CDHCPIP6StateMachine::StartReconfigureL(MStateMachineNotify* aStateMachineNotify) |
|
306 /** |
|
307 * StartReconfigureL |
|
308 * |
|
309 * This function is called to initialise waiting for the server reconfigure message. |
|
310 * The task ends once a valid reconfigure messageg's been received |
|
311 * |
|
312 * @internalTechnology |
|
313 */ |
|
314 { |
|
315 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::StartReconfigureL"))); |
|
316 |
|
317 ASSERT(!iFirstState);//the states should be deleted by now or we are starting off |
|
318 |
|
319 iXid.SetXid( 0 ); |
|
320 iFirstState = new(ELeave) CDHCPIP6Reconfigure(*this); |
|
321 |
|
322 CDHCPStateMachine::Start(aStateMachineNotify); |
|
323 } |
|
324 |
|
325 void CDHCPIP6StateMachine::StartDeclineL(MStateMachineNotify* aStateMachineNotify) |
|
326 /** |
|
327 * StartDeclineL |
|
328 * |
|
329 * This function is called to start the decline task |
|
330 * |
|
331 * @internalTechnology |
|
332 */ |
|
333 { |
|
334 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::StartDeclineL"))); |
|
335 ASSERT(!iFirstState);//the states should be deleted by now or we are starting off |
|
336 |
|
337 if ( iInterfaceConfigInfo.AnyAddressToDecline() ) |
|
338 { |
|
339 iFirstState = new(ELeave) CDHCPIP6Decline(*this); |
|
340 iFirstState->SetNext( new CDHCPIP6ReplyNoBinding(*this) ); |
|
341 } |
|
342 CDHCPStateMachine::Start(aStateMachineNotify); |
|
343 } |
|
344 |
|
345 void CDHCPIP6StateMachine::StartReleaseL(MStateMachineNotify* aStateMachineNotify) |
|
346 /** |
|
347 * StartReleaseL |
|
348 * |
|
349 * This function is called to start the release state machine |
|
350 * |
|
351 * @internalTechnology |
|
352 */ |
|
353 { |
|
354 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::StartReleaseL"))); |
|
355 ASSERT(!iFirstState);//the states should be deleted by now or we are starting off |
|
356 |
|
357 iFirstState = new(ELeave) CDHCPIP6Release(*this); |
|
358 iFirstState->SetNext( new(ELeave)CDHCPIP6ReplyNoBinding(*this) ); |
|
359 |
|
360 CDHCPStateMachine::Start(aStateMachineNotify); |
|
361 } |
|
362 |
|
363 void CDHCPIP6StateMachine::PrepareToSendL( CDHCPStateMachine::EAddressType /*aEAddressType*/ ) |
|
364 /** |
|
365 * PrepareToSendL |
|
366 * |
|
367 * This function is called to set the correct destination address |
|
368 * for messages before they are sent. |
|
369 * |
|
370 * @internalTechnology |
|
371 */ |
|
372 { |
|
373 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::PrepareToSendL"))); |
|
374 DhcpMessage()->Dump(); |
|
375 iMessageSender->Cancel(); |
|
376 } |
|
377 |
|
378 void CDHCPIP6StateMachine::CloseNSendMsgL(TRequestStatus& /*aStatus*/, CDHCPStateMachine::EAddressType aEAddressType) |
|
379 /** |
|
380 * Handles sending of packets for this object |
|
381 * |
|
382 * @internalTechnology |
|
383 * |
|
384 */ |
|
385 { |
|
386 CDHCPStateMachine::CloseNSendMsgL(0,KInfinity,aEAddressType); //IPv6 calculates its own delay and retry values..so KInfinity is ignored |
|
387 } |
|
388 |
|
389 void CDHCPIP6StateMachine::CancelMessageReceiver() |
|
390 {//doesn't cancel statemachine only the reader state |
|
391 if ( IsActive() && iReceiving ) |
|
392 { |
|
393 ASSERT( !iErrorEvent ); |
|
394 CStateMachine::Cancel(KErrNone);//waits for the cancel to complete |
|
395 iActiveEvent = iMessageReader->Next(); |
|
396 iReceiving = EFalse; |
|
397 //restart the state machine |
|
398 CStateMachine::Start(NULL, NULL, iStateMachineNotify); |
|
399 } |
|
400 } |
|
401 |
|
402 CDHCPState* CDHCPIP6StateMachine::ReceiveL(TRequestStatus* aStatus) |
|
403 /** |
|
404 * Starts iMessageReader state |
|
405 * |
|
406 * @internalTechnology |
|
407 * |
|
408 */ |
|
409 { |
|
410 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::Receive"))); |
|
411 |
|
412 iDhcpMessage->InitialiseL(); |
|
413 iMessageReader->SetNext( iActiveEvent ); |
|
414 ASSERT( iReceiving == EFalse ); |
|
415 iReceiving = ETrue; |
|
416 return static_cast<CDHCPState*>(iMessageReader->ProcessL( *aStatus )); |
|
417 } |
|
418 |
|
419 void CDHCPIP6StateMachine::OnCompletion() |
|
420 { |
|
421 if (LastError() == KErrEof && iReceiving) |
|
422 {//end of datagram while reading a message => not an error => restart state machine |
|
423 iActiveEvent = iMessageReader->Next(); |
|
424 |
|
425 CStateMachine::Start(NULL, NULL, iStateMachineNotify); //sets last error to KErrNone |
|
426 } |
|
427 else |
|
428 { |
|
429 CDHCPStateMachine::OnCompletion(); |
|
430 } |
|
431 } |
|
432 |
|
433 void CDHCPIP6StateMachine::AssembleClientIDsL() |
|
434 /** |
|
435 * Sets the client id - hardware address and type pair |
|
436 * |
|
437 * |
|
438 */ |
|
439 { |
|
440 /*client id and the way we generate it |
|
441 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
|
442 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
|
443 | 3 | hardware type (16 bits) | |
|
444 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
|
445 . . |
|
446 . link-layer address (variable length) . |
|
447 . . |
|
448 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
|
449 */ |
|
450 FetchHWAddress(); |
|
451 |
|
452 TUint htype = 0; |
|
453 if(iHardwareAddr.Family() != KAFUnspec) |
|
454 { |
|
455 iClientId.CreateL(KDuidTypeLen + KDuidHardwareTypeLen + iHardwareAddr.Length() - KHwAddrOffset); |
|
456 htype = iHardwareAddr.Family(); // should this be Port() ? |
|
457 } |
|
458 else |
|
459 { |
|
460 // This means we're on a point-to-point link (i.e. one with no hardware addressing). |
|
461 // We'll make client id look like an ethernet/mac address combo to reduce the chance of stupid servers getting upset |
|
462 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, |
|
463 _L8("CDHCPIP6StateMachine::AssembleClientIDsL - no hardware address (suggesting point-to-point)" |
|
464 " so generating a random 6 byte client id"))); |
|
465 iClientId.CreateL(KDuidTypeLen + KDuidHardwareTypeLen + KDuidEthMacAddrSize); |
|
466 htype = 1; // fake up as Ethernet |
|
467 } |
|
468 |
|
469 TBigEndian::SetValue(const_cast<TUint8*>(iClientId.Ptr()), KDuidTypeLen, KDuidLLTypeCode); |
|
470 TBigEndian::SetValue(const_cast<TUint8*>(iClientId.Ptr()) + KDuidTypeLen, KDuidHardwareTypeLen, htype); |
|
471 iClientId.SetLength(KDuidTypeLen + KDuidHardwareTypeLen); |
|
472 |
|
473 if(iHardwareAddr.Family()!=KAFUnspec) |
|
474 { |
|
475 iClientId.Append(iHardwareAddr.Mid(KHwAddrOffset, iHardwareAddr.Length() - KHwAddrOffset)); |
|
476 } |
|
477 else |
|
478 { |
|
479 // Note: if you increase the number of bytes appended here, then be sure to |
|
480 // increase the size passed to iClientId.CreateL() above. |
|
481 TUint32 data = Math::Random(); |
|
482 iClientId.Append(TPckgC<TUint32>(data)); |
|
483 iClientId.Append(TPckgC<TUint16>(data)); |
|
484 } |
|
485 } |
|
486 |
|
487 TUint CDHCPIP6StateMachine::GetMessageType() const |
|
488 /** |
|
489 * Parses the message and returns the message type from the DHCP message |
|
490 * i.e. whether the message is an advertise. reply, reconfigure |
|
491 * |
|
492 * @internalTechnology |
|
493 */ |
|
494 { |
|
495 CDHCPMessageHeaderIP6* v6Msg = DhcpMessage(); |
|
496 if ( v6Msg->Parse(iXid,iClientId,iServerId) == KErrNone ) |
|
497 { |
|
498 v6Msg->Dump(); |
|
499 return v6Msg->GetMessageType(); |
|
500 } |
|
501 return EUnknown; |
|
502 } |
|
503 |
|
504 void CDHCPIP6StateMachine::SetMessageHeaderL( TMessageType aMsgType ) |
|
505 /** |
|
506 * Sets the message header |
|
507 * |
|
508 * @internalTechnology |
|
509 */ |
|
510 { |
|
511 iXid.Init6(); //generate random transaction Id |
|
512 iTaskStartedAt.HomeTime(); // set time stamp to now |
|
513 CDHCPMessageHeaderIP6* v6Msg = DhcpMessage(); |
|
514 v6Msg->InitialiseL(); |
|
515 v6Msg->SetXid(iXid.Xid()); |
|
516 v6Msg->SetMessageType(static_cast<TUint8>(aMsgType)); |
|
517 |
|
518 // +++++++++++++++++++++++ Elapsed Time +++++++++++++++++++++++++++++++++++++++++/ |
|
519 //EElapsedTime option MUST be the first option in the option part of the message |
|
520 //see CDHCPIP6MessageSender::SendingContinues fn |
|
521 v6Msg->AddOptionL(EElapsedTime, KElapsedTimeOptionLen)->SetBigEndian( 0 ); |
|
522 // +++++++++++++++++++++++ Client Id +++++++++++++++++++++++++++++++++++++++++/ |
|
523 v6Msg->AddOptionL(EClientId, iClientId.Length())->GetBodyDes().Copy(iClientId); |
|
524 // +++++++++++++++++++++++ Server ID +++++++++++++++++++++++++++++++++++++++++/ |
|
525 //included only when it exists |
|
526 if ( iServerId.Length() ) |
|
527 { |
|
528 v6Msg->AddOptionL(EServerId, iServerId.Length())->GetBodyDes().Copy(iServerId); |
|
529 } |
|
530 } |
|
531 |
|
532 void CDHCPIP6StateMachine::CreateDiscoverMsgL() |
|
533 /** |
|
534 * Puts the specifics of the solicit message into |
|
535 * the message buffer |
|
536 * |
|
537 * @internalTechnology |
|
538 */ |
|
539 { |
|
540 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::CreateDiscoverMsgL"))); |
|
541 |
|
542 iServerId.Close(); |
|
543 //initiate message header |
|
544 SetMessageHeaderL(ESolicit); |
|
545 |
|
546 CDHCPMessageHeaderIP6* v6Msg = DhcpMessage(); |
|
547 |
|
548 // +++++++++++++++++++++++ IA_NA/TA options+++++++++++++++++++++++++++++++++++/ |
|
549 iInterfaceConfigInfo.AppendIAOptionsL(*v6Msg, ESolicit); |
|
550 |
|
551 // +++++++++++++++++++++++ reconfiguration accept ++++++++++++++++++++++++++++/ |
|
552 #if defined(DHCP_RECONFIGURE_NO_AUTHENTICATION) |
|
553 v6Msg->AddOptionL(EReconfAccept, 0); |
|
554 #endif |
|
555 |
|
556 // +++++++++++++++++++++++ append requested options list +++++++++++++++++++++/ |
|
557 static_cast<CDHCPOptionRequestOption*>(v6Msg->AddOptionL( EOro, KDHCPOptionRequestLen ))->AppendRequestedOptions(); |
|
558 } |
|
559 |
|
560 void CDHCPIP6StateMachine::CreateOfferAcceptanceRequestMsgL() |
|
561 /** |
|
562 * Puts the specifics of the request |
|
563 * message into the message buffer |
|
564 * |
|
565 * @internalTechnology |
|
566 */ |
|
567 { |
|
568 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::CreateOfferAcceptanceRequestMsgL"))); |
|
569 |
|
570 SetMessageHeaderL( ERequest ); |
|
571 CDHCPMessageHeaderIP6* v6Msg = DhcpMessage(); |
|
572 |
|
573 // +++++++++++++++++++++++ IA_NA/TA options+++++++++++++++++++++++++++++++++++/ |
|
574 iInterfaceConfigInfo.AppendIAOptionsL( *v6Msg, ERequest ); |
|
575 // +++++++++++++++++++++++ reconfiguration accept ++++++++++++++++++++++++++++/ |
|
576 #if defined(DHCP_RECONFIGURE_NO_AUTHENTICATION) |
|
577 v6Msg->AddOptionL(EReconfAccept, 0); |
|
578 #endif |
|
579 // +++++++++++++++++++++++ append requested options list +++++++++++++++++++++/ |
|
580 static_cast<CDHCPOptionRequestOption*>(v6Msg->AddOptionL( EOro, KDHCPOptionRequestLen ))->AppendRequestedOptions(); |
|
581 |
|
582 } |
|
583 |
|
584 void CDHCPIP6StateMachine::CreateRebootRequestMsgL() |
|
585 /** |
|
586 * Puts the specifics of a confirm specific after reboot or other means of |
|
587 * changing the interface into the message buffer |
|
588 * |
|
589 * @internalTechnology |
|
590 */ |
|
591 { |
|
592 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::CreateRebootRequestMsgL"))); |
|
593 |
|
594 iServerId.Close(); |
|
595 SetMessageHeaderL( EConfirm ); |
|
596 CDHCPMessageHeaderIP6* v6Msg = DhcpMessage(); |
|
597 |
|
598 // +++++++++++++++++++++++ IA_NA/TA options+++++++++++++++++++++++++++++++++++/ |
|
599 iInterfaceConfigInfo.AppendIAOptionsL( *v6Msg, EConfirm ); |
|
600 // +++++++++++++++++++++++ IA_TA +++++++++++++++++++++++++++++++++++++++++++++/ |
|
601 //iInterfaceConfigInfo.Init6ialiseNA_Option( *v6Msg->AddOptionL( EIaTa, KDHCPOptionIA_TATInitLength ) ); |
|
602 // +++++++++++++++++++++++ append requested options list +++++++++++++++++++++/ |
|
603 static_cast<CDHCPOptionRequestOption*>(v6Msg->AddOptionL( EOro, KDHCPOptionRequestLen ))->AppendRequestedOptions(); |
|
604 |
|
605 } |
|
606 |
|
607 void CDHCPIP6StateMachine::CreateInformMsgL() |
|
608 /** |
|
609 * Puts the specifics of an inform-request message |
|
610 * into the message buffer |
|
611 * |
|
612 * @internalTechnology |
|
613 */ |
|
614 { |
|
615 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::CreateInformMsgL"))); |
|
616 |
|
617 SetMessageHeaderL( EInformationRequest ); |
|
618 CDHCPMessageHeaderIP6* v6Msg = DhcpMessage(); |
|
619 #ifdef SYMBIAN_TCPIPDHCP_UPDATE |
|
620 //This is used for multiple parameter option request |
|
621 if (iSavedExtraParameters.Ptr()) |
|
622 { |
|
623 TUint8 requestedOptions[KDHCPOptionRequestLen] = {0,EServerId, 0,EIaNa, 0,ESipServerD, 0,ESipServerA, |
|
624 0,EDNSServers, 0,EDomainList}; |
|
625 |
|
626 TPtr8 ptr(requestedOptions, KDHCPOptionRequestLen, KDHCPOptionRequestLen ); |
|
627 |
|
628 RBuf8 appendOpCodeList; |
|
629 appendOpCodeList.CreateL(ptr); |
|
630 TInt oplength = appendOpCodeList.Length(); |
|
631 //get the no of opcode to be fetched |
|
632 TInt optLen= iSavedExtraParameters.Length(); |
|
633 //Reallocate the opcodelist with the new opcodes(example if the client requests |
|
634 //for 2options in the multiple opcode then the new memory will be allocated for 2 opcodes(2*2= 4 as it is 16bit)) |
|
635 appendOpCodeList.ReAllocL(KDHCPOptionRequestLen+(optLen*2)); |
|
636 for (TUint8 i=1;i<=optLen;i++) |
|
637 { |
|
638 //append null at the begining of the opcode always |
|
639 appendOpCodeList.Append(TChar::EAlphaGroup); |
|
640 //get the opcode number and append at the end |
|
641 TPtr8 ptrs= iSavedExtraParameters.RightTPtr(i); |
|
642 appendOpCodeList.Append(ptrs.Ptr(),1); |
|
643 } |
|
644 //add the required opcodes in the addoption |
|
645 static_cast<CDHCPOptionRequestOption*>(v6Msg->AddOptionL(EOro, appendOpCodeList.Length()))->GetBodyDes().Copy(appendOpCodeList); |
|
646 appendOpCodeList.Close(); |
|
647 } |
|
648 #endif //SYMBIAN_TCPIPDHCP_UPDATE |
|
649 // +++++++++++++++++++++++ append requested options list +++++++++++++++++++++/ |
|
650 static_cast<CDHCPOptionRequestOption*>(v6Msg->AddOptionL( EOro, KDHCPOptionRequestLen ))->AppendRequestedOptions(); |
|
651 } |
|
652 |
|
653 void CDHCPIP6StateMachine::CreateRenewRequestMsgL() |
|
654 /** |
|
655 * Puts the specifics of the renew message |
|
656 * into the mesage buffer |
|
657 * |
|
658 * @internalTechnology |
|
659 */ |
|
660 { |
|
661 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::CreateRenewRequestMsgL"))); |
|
662 |
|
663 SetMessageHeaderL( ERenew ); |
|
664 CDHCPMessageHeaderIP6* v6Msg = DhcpMessage(); |
|
665 |
|
666 // +++++++++++++++++++++++ IA_NA/TA options+++++++++++++++++++++++++++++++++++/ |
|
667 iInterfaceConfigInfo.AppendIAOptionsL( *v6Msg, ERenew ); |
|
668 // +++++++++++++++++++++++ IA_TA +++++++++++++++++++++++++++++++++++++++++++++/ |
|
669 //iInterfaceConfigInfo.Init6ialiseNA_Option( *v6Msg->AddOptionL( EIaTa, KDHCPOptionIA_TATInitLength ) ); |
|
670 // +++++++++++++++++++++++ append requested options list +++++++++++++++++++++/ |
|
671 |
|
672 static_cast<CDHCPOptionRequestOption*>(v6Msg->AddOptionL( EOro, KDHCPOptionRequestLen ))->AppendRequestedOptions(); |
|
673 } |
|
674 |
|
675 void CDHCPIP6StateMachine::CreateRebindRequestMsgL() |
|
676 /** |
|
677 * Puts the specifics of the rebind message |
|
678 * into the message buffer |
|
679 * |
|
680 * @internalTechnology |
|
681 */ |
|
682 { |
|
683 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::CreateRebindRequestMsgL"))); |
|
684 |
|
685 SetMessageHeaderL( ERebind ); |
|
686 CDHCPMessageHeaderIP6* v6Msg = DhcpMessage(); |
|
687 |
|
688 iInterfaceConfigInfo.ResetUseUnicast(); |
|
689 |
|
690 // +++++++++++++++++++++++ IA_NA/TA options+++++++++++++++++++++++++++++++++++/ |
|
691 iInterfaceConfigInfo.AppendIAOptionsL( *v6Msg, ERebind ); |
|
692 // +++++++++++++++++++++++ IA_TA +++++++++++++++++++++++++++++++++++++++++++++/ |
|
693 //iInterfaceConfigInfo.Init6ialiseNA_Option( *v6Msg->AddOptionL( EIaTa, KDHCPOptionIA_TATInitLength ) ); |
|
694 // +++++++++++++++++++++++ append requested options list +++++++++++++++++++++/ |
|
695 static_cast<CDHCPOptionRequestOption*>(v6Msg->AddOptionL( EOro, KDHCPOptionRequestLen ))->AppendRequestedOptions(); |
|
696 } |
|
697 |
|
698 void CDHCPIP6StateMachine::CreateReleaseMsgL() |
|
699 /** |
|
700 * Puts the specifics of the release message |
|
701 * into the message buffer |
|
702 * |
|
703 * @internalTechnology |
|
704 */ |
|
705 { |
|
706 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::CreateReleaseMsgL"))); |
|
707 |
|
708 SetMessageHeaderL( DHCPv6::ERelease ); |
|
709 CDHCPMessageHeaderIP6* v6Msg = DhcpMessage(); |
|
710 |
|
711 iInterfaceConfigInfo.SetAddressStatus( DHCPv6::KAddrIndexAll, DHCPv6::EMarkForRelease ); |
|
712 |
|
713 // +++++++++++++++++++++++ IA_NA/TA options+++++++++++++++++++++++++++++++++++/ |
|
714 iInterfaceConfigInfo.AppendIAOptionsL( *v6Msg, DHCPv6::ERelease ); |
|
715 |
|
716 RemoveConfiguredAddress(); |
|
717 } |
|
718 |
|
719 void CDHCPIP6StateMachine::CreateDeclineMsgL() |
|
720 /** |
|
721 * Puts the specifics of the decline message |
|
722 * into the message buffer |
|
723 * |
|
724 * @internalTechnology |
|
725 */ |
|
726 { |
|
727 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::CreateDeclineMsgL"))); |
|
728 |
|
729 SetMessageHeaderL( EDecline ); |
|
730 CDHCPMessageHeaderIP6* v6Msg = DhcpMessage(); |
|
731 |
|
732 // +++++++++++++++++++++++ IA_NA/TA options+++++++++++++++++++++++++++++++++++/ |
|
733 iInterfaceConfigInfo.AppendIAOptionsL( *v6Msg, EDecline ); |
|
734 |
|
735 } |
|
736 |
|
737 void CDHCPIP6StateMachine::HandleOfferL() |
|
738 /** |
|
739 * Handles the selected advertisement from a dhcp server, providing |
|
740 * an offer of configuration parameters |
|
741 * |
|
742 * @see CDHCPIP6Select |
|
743 * @internalTechnology |
|
744 * |
|
745 */ |
|
746 { |
|
747 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::HandleOffer"))); |
|
748 |
|
749 CDHCPMessageHeaderIP6* v6Msg = DhcpMessage(); |
|
750 //remember the address of the server and check for unicast option |
|
751 iInterfaceConfigInfo.CheckForUnicast( *v6Msg ); |
|
752 } |
|
753 |
|
754 CDHCPState* CDHCPIP6StateMachine::HandleReplyL( TRequestStatus* aStatus ) |
|
755 /** |
|
756 * Called after Request, Confirm, Renew, Rebind or |
|
757 * Information-request message |
|
758 * |
|
759 * @internalTechnology |
|
760 * |
|
761 */ |
|
762 { |
|
763 iReceiving = EFalse; |
|
764 |
|
765 CDHCPState* state = NULL; |
|
766 |
|
767 if ( GetMessageType() != EReply ) |
|
768 { |
|
769 return ReceiveL(aStatus); |
|
770 } |
|
771 |
|
772 switch ( DhcpMessage()->GetStatusCode() ) |
|
773 { |
|
774 case ESuccess: |
|
775 HandleAckL(); |
|
776 User::RequestComplete(aStatus, KErrNone); |
|
777 state = static_cast<CDHCPState*>(iActiveEvent->Next()); |
|
778 |
|
779 // No need to notify server status - the TCP/IP6 stack will |
|
780 // move straight to the address assigned state when we call |
|
781 // ConfigureL... |
|
782 |
|
783 break; |
|
784 |
|
785 case EUnspecFail: |
|
786 case ENoAddrsAvail: |
|
787 case ENoBinding: |
|
788 case ENotOnLink: |
|
789 User::RequestComplete(aStatus, KErrAccessDenied); |
|
790 |
|
791 state = NULL; |
|
792 break; |
|
793 |
|
794 case EUseMulticast: |
|
795 { |
|
796 iInterfaceConfigInfo.ResetUseUnicast(); |
|
797 //return to the previous state and use multicast |
|
798 CAsynchEvent* p = iFirstState; |
|
799 while ( p->Next() != iActiveEvent ) |
|
800 { |
|
801 p = p->Next(); |
|
802 } |
|
803 state =static_cast<CDHCPState*>(p); |
|
804 } |
|
805 break; |
|
806 |
|
807 |
|
808 default: |
|
809 state = ReceiveL(aStatus); |
|
810 break; |
|
811 |
|
812 };// switch |
|
813 |
|
814 |
|
815 return state; |
|
816 } |
|
817 |
|
818 void CDHCPIP6StateMachine::HandleAckL() |
|
819 /** |
|
820 * Handles a succesfull reply from a dhcp server, storing |
|
821 * configuration parameters and a committed ip address. |
|
822 * Checks status code for IA(s) and IP address options and leaves |
|
823 * with KErrAccessDenied if no address is avaiable. |
|
824 * |
|
825 * @internalTechnology |
|
826 * |
|
827 */ |
|
828 { |
|
829 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::HandleAck"))); |
|
830 |
|
831 CDHCPMessageHeaderIP6* v6Msg = DhcpMessage(); |
|
832 //get addresses out of IA options |
|
833 iInterfaceConfigInfo.ParseIAOptionsL(*v6Msg); |
|
834 //check unicast option & server address |
|
835 iInterfaceConfigInfo.CheckForUnicast(*v6Msg); |
|
836 |
|
837 //check name servers from msg options |
|
838 if( iNameServerAddressesFromServer ) |
|
839 { |
|
840 CDHCPOptionDNSServers* pServers = static_cast<CDHCPOptionDNSServers*>(v6Msg->GetOptions().FindOption( EDNSServers )); |
|
841 if ( pServers ) |
|
842 { |
|
843 pServers->GetDomainNameServer( 0, iNameServer1 ); |
|
844 pServers->GetDomainNameServer( 1, iNameServer2 ); |
|
845 } |
|
846 } |
|
847 //get a host name somehow? |
|
848 //still draft only draft-ietf-dhc-dhcpv6-fqdn-00.txt with option-code OPTION_CLIENT_FQDN (TBD) |
|
849 |
|
850 #ifdef _LOG |
|
851 TBuf<39> addrStr; |
|
852 |
|
853 interfaceInfo.iAddress.Output( addrStr ); |
|
854 |
|
855 __CFLOG_1( KLogSubSysDHCP, KLogCode, _L( "DHCP client address is %S" ), &addrStr ); |
|
856 #endif |
|
857 |
|
858 ConfigureInterfaceL( 0 ); |
|
859 } |
|
860 |
|
861 void CDHCPIP6StateMachine::ConfigureInterfaceL( TInt aPos ) |
|
862 /** |
|
863 * Set the interface IP address and other params |
|
864 * into the TCP/IP6 stack. |
|
865 * Picks next valid address starting from given possition |
|
866 * |
|
867 * What we set depends on the setup |
|
868 * in commDB for the service. If ipAddressFromServer |
|
869 * is true then we set the ip address that has |
|
870 * been assigned by DHCP, along with the netmask and gateway. |
|
871 * If ipAddressFromServer is false, then we set the static ip |
|
872 * address as long as it has been okayed by the DHCP server after |
|
873 * we have sent an inform. We will then set the netmask and gateway |
|
874 * choosing from those in commDB if they have been given values, or |
|
875 * those returned in the DHCP Server ACK if a zero address is in commDB |
|
876 * The same principle applies to DNS Server addresses. |
|
877 * |
|
878 * @param aPos possition to start in the address list |
|
879 * @see SIdentityAssociationConfigInfo |
|
880 * @internalTechnology |
|
881 */ |
|
882 { |
|
883 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::ConfigureInterfaceL - Cancel Message Sender - aPos %d"), aPos)); |
|
884 iMessageSender->Cancel(); |
|
885 |
|
886 if (!IsGettingCfgInfoOnly()) |
|
887 { |
|
888 const SIPAddressInfo* info = iInterfaceConfigInfo.GetValidAddressInfo( aPos ); |
|
889 if ( !info ) |
|
890 {//no more addresses to configure |
|
891 User::Leave( KErrNotFound ); |
|
892 } |
|
893 //the values already checked on TInterfaceConfigInfo::ParseIAOptionsL |
|
894 iRenewalTimeT1 = iInterfaceConfigInfo.RenewTime(); |
|
895 iRebindTimeT2 = iInterfaceConfigInfo.RebindTime(); |
|
896 iLeaseTime = info->iValidLifeTime; |
|
897 |
|
898 // This block caters for the following 2 cases: |
|
899 // 1. Server sent 0 lease time, meaning "forever". This behaviour wasn't defined in the |
|
900 // original RFC but many servers work this way so we need to support it. |
|
901 // 2. Server sent extremely large lease time (e.g. 0xffffffff as specified in RFC). |
|
902 // As TTimeIntervalSeconds has a maximum of 0x7fffffff, we must enforce this maximum. |
|
903 // |
|
904 if ( iLeaseTime == 0 || iLeaseTime > KReallyLongLease ) |
|
905 { |
|
906 iLeaseTime = KReallyLongLease; // 68 years should be long enough |
|
907 } |
|
908 |
|
909 if ( (iRenewalTimeT1 == iRebindTimeT2) || (iRenewalTimeT1==0 && iRebindTimeT2==0) ) |
|
910 { |
|
911 // may have only been provided with a lease time... |
|
912 // we need time to renew the lease before it runs out |
|
913 // so we'd better set some times from the overall lease time |
|
914 TUint32 temp = iLeaseTime/4; |
|
915 iRenewalTimeT1=iLeaseTime/2; |
|
916 iRebindTimeT2=iRenewalTimeT1+temp; |
|
917 } |
|
918 else if (iRenewalTimeT1<iRebindTimeT2 && iRebindTimeT2<iLeaseTime && iRenewalTimeT1<iLeaseTime) |
|
919 { |
|
920 // do nothing as we have got the valid values we were expecting |
|
921 } |
|
922 else |
|
923 { |
|
924 User::Leave(KErrArgument); |
|
925 } |
|
926 |
|
927 iCurrentAddress.SetAddress( info->iAddress.Ip6Address() ); |
|
928 } |
|
929 else if ( aPos != 0 ) |
|
930 {//no more addresses to configure only one statically configured address |
|
931 User::Leave( KErrNotFound ); |
|
932 } |
|
933 |
|
934 TSoInet6InterfaceInfo interfaceInfo; |
|
935 //fill interfaceInfo current address is iCurrentAddress |
|
936 interfaceInfo.iHwAddr = iHardwareAddr; |
|
937 interfaceInfo.iAddress = iCurrentAddress; |
|
938 // interfaceInfo.iNetMask = iSubnetMask; |
|
939 interfaceInfo.iDefGate = iDefGateway; |
|
940 if (iNameServerAddressesFromServer) |
|
941 { |
|
942 interfaceInfo.iNameSer1 = iNameServer1; |
|
943 interfaceInfo.iNameSer2 = iNameServer2; |
|
944 } |
|
945 else |
|
946 { |
|
947 //We need to set the family to KAFUnspec to ensure that the Stack does not overwrite the existing address |
|
948 interfaceInfo.iNameSer1.SetFamily(KAFUnspec); |
|
949 interfaceInfo.iNameSer2.SetFamily(KAFUnspec); |
|
950 } |
|
951 interfaceInfo.iName = iInterfaceName; |
|
952 interfaceInfo.iMtu = 0; |
|
953 interfaceInfo.iSpeedMetric = 0; |
|
954 interfaceInfo.iFeatures = 0; // zero value better than junk value |
|
955 |
|
956 interfaceInfo.iState = EIfUp; |
|
957 |
|
958 interfaceInfo.iDelete = EFalse; |
|
959 interfaceInfo.iAlias = EFalse; |
|
960 interfaceInfo.iDoId = ETrue; |
|
961 interfaceInfo.iDoState = ETrue; |
|
962 interfaceInfo.iDoAnycast = EFalse; |
|
963 interfaceInfo.iDoProxy = EFalse; |
|
964 interfaceInfo.iDoPrefix = EFalse; |
|
965 |
|
966 CDHCPStateMachine::ConfigureInterfaceL( interfaceInfo ); |
|
967 } |
|
968 |
|
969 void CDHCPIP6StateMachine::InitialiseSocketL() |
|
970 /** |
|
971 * Sets up socket, by opening one associated with the connection |
|
972 * and sets the interface to use for traffic |
|
973 * |
|
974 * @internalTechnology |
|
975 * |
|
976 */ |
|
977 { |
|
978 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::InitialiseSocketL"))); |
|
979 |
|
980 iSocket.Close(); |
|
981 |
|
982 User::LeaveIfError(iSocket.Open(iEsock, KAfInet, KSockDatagram, KProtocolInetUdp, iConnection)); |
|
983 User::LeaveIfError(iSocket.SetOpt(KSoReuseAddr, KSolInetIp, 1)); |
|
984 #ifdef _DEBUG |
|
985 TInt destPort; |
|
986 RProperty::Get(KMyPropertyCat, KMyPropertyDestPortv6, destPort); |
|
987 User::LeaveIfError(iSocket.SetLocalPort(destPort - 1)); |
|
988 #else |
|
989 User::LeaveIfError(iSocket.SetLocalPort(KDhcpv6SrcPort)); |
|
990 #endif |
|
991 TPckgBuf<TSoInetIfQuery> query; |
|
992 query().iName = iInterfaceName; |
|
993 User::LeaveIfError(iSocket.GetOpt(KSoInetIfQueryByName, KSolInetIfQuery, query)); |
|
994 User::LeaveIfError(iSocket.SetOpt(KSoInterfaceIndex, KSolInetIp, query().iIndex)); |
|
995 User::LeaveIfError(iSocket.SetOpt(KSoInetEnumInterfaces, KSolInetIfCtrl)); |
|
996 // make socket invisable for interface counting |
|
997 User::LeaveIfError(iSocket.SetOpt(KSoKeepInterfaceUp, KSolInetIp, 0)); |
|
998 } |
|
999 |
|
1000 void CDHCPIP6StateMachine::RemoveConfiguredAddress(const TInetAddr* /* aInetAddr*/) |
|
1001 /** |
|
1002 * This function can be called as a result of DAD failing |
|
1003 * or the lease expiring! It removes the address from the interface |
|
1004 * inside the TCP/IP6 stack as the address cannot continue to be used. |
|
1005 * |
|
1006 * @see "Implementation of IPv4/IPv6 Basic Socket API for Symbian OS" |
|
1007 * document for explanation of TSoInet6InterfaceInfo and its use |
|
1008 * @internalTechnology |
|
1009 */ |
|
1010 { |
|
1011 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::RemoveConfiguredAddress"))); |
|
1012 |
|
1013 TSoInet6InterfaceInfo interfaceInfo; |
|
1014 interfaceInfo.iHwAddr = iHardwareAddr; |
|
1015 interfaceInfo.iAddress = iCurrentAddress; |
|
1016 interfaceInfo.iName = iInterfaceName; |
|
1017 interfaceInfo.iDelete = ETrue; |
|
1018 interfaceInfo.iAlias = EFalse; |
|
1019 interfaceInfo.iDoId = ETrue; |
|
1020 interfaceInfo.iState = EIfUp; |
|
1021 interfaceInfo.iDoState = ETrue; |
|
1022 interfaceInfo.iDoAnycast = EFalse; |
|
1023 // zero value better than junk value |
|
1024 interfaceInfo.iMtu = 0; |
|
1025 interfaceInfo.iSpeedMetric = 0; |
|
1026 interfaceInfo.iFeatures = 0; |
|
1027 CDHCPStateMachine::RemoveConfiguredAddress( interfaceInfo ); |
|
1028 iInterfaceConfigInfo.Reset(); |
|
1029 } |
|
1030 |
|
1031 void CDHCPIP6StateMachine::AssignAddresses( TInetAddr& aDest, const TInetAddr& aSrc ) const |
|
1032 { |
|
1033 aDest = aSrc; |
|
1034 |
|
1035 #ifdef _DEBUG |
|
1036 // Simulate initialisation, renewal or rebind failure by using the wrong port. |
|
1037 if( ( CDHCPServer::DebugFlags() & KDHCP_FailDiscover ) || ( CDHCPServer::DebugFlags() & KDHCP_FailRenew ) || ( CDHCPServer::DebugFlags() & KDHCP_FailRebind ) ) |
|
1038 { |
|
1039 aDest.SetPort(KDhcpv6WrongSrcPort); |
|
1040 } |
|
1041 else |
|
1042 { |
|
1043 TInt destPort; |
|
1044 RProperty::Get(KMyPropertyCat, KMyPropertyDestPortv6, destPort); |
|
1045 aDest.SetPort(destPort - 1); |
|
1046 } |
|
1047 #else |
|
1048 aDest.SetPort(KDhcpv6SrcPort); |
|
1049 #endif |
|
1050 } |
|
1051 |
|
1052 void CDHCPIP6StateMachine::BindSocketForUnicastL() |
|
1053 /** |
|
1054 * Initialises socket in case it hasn't already been initialised |
|
1055 * |
|
1056 * @internalTechnology |
|
1057 */ |
|
1058 { |
|
1059 __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPIP6StateMachine::BindSocketForRenewL"))); |
|
1060 UpdateHistory(CDHCPState::EBindToSource); |
|
1061 if (!iSocket.SubSessionHandle()) |
|
1062 { |
|
1063 InitialiseSocketL(); |
|
1064 } |
|
1065 } |