|
1 // Copyright (c) 1997-2009 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 // Internal Sockets API |
|
15 // Written by Mal, September 1997 |
|
16 // Based on work by AdamG |
|
17 // |
|
18 // |
|
19 |
|
20 /** |
|
21 @file |
|
22 */ |
|
23 |
|
24 #include <e32std.h> |
|
25 #include <e32base.h> |
|
26 #include <es_prot.h> |
|
27 #include <es_mbuf.h> |
|
28 #include <es_prot_internal.h> |
|
29 #include "INTSOCK.H" |
|
30 #include "IRLANUTL.H" |
|
31 #include "irlantimer.h" |
|
32 |
|
33 #ifdef __TRACEWIN__ |
|
34 #include <log.h> |
|
35 #else |
|
36 #define LOG(a) |
|
37 #endif |
|
38 |
|
39 /** |
|
40 Constructor. |
|
41 */ |
|
42 CInternalSocket::CInternalSocket():iSendBufPtr(NULL,0) |
|
43 { |
|
44 __DECLARE_NAME(_S("CInternalSocket")); |
|
45 iState = ENew; |
|
46 } |
|
47 |
|
48 /** |
|
49 Only needed when cloning an accept from a listen socket. |
|
50 |
|
51 @param aSock A pointer to CServProviderBase object |
|
52 @param aNotify A pointer to MSocketNotify object. |
|
53 @return A pointer to CInternalSocket object. |
|
54 */ |
|
55 CInternalSocket *CInternalSocket::NewL(CServProviderBase *aSock,MSocketNotify *aNotify) |
|
56 { |
|
57 CInternalSocket *is=new (ELeave) CInternalSocket; |
|
58 // Need to set up send buffer for |
|
59 is->iSendBufLength=KInternalMaxBufSize; |
|
60 is->iSendBuffer=HBufC8::NewMaxL(is->iSendBufLength); |
|
61 TPtr8 temp=is->iSendBuffer->Des(); |
|
62 is->iSendBufPtr.Set(temp); |
|
63 |
|
64 is->SetNotify(aNotify); |
|
65 is->iCServSocket=aSock; |
|
66 is->iCServSocket->SetNotify(is); |
|
67 is->iState = EOpen; |
|
68 return is; |
|
69 } |
|
70 |
|
71 /** |
|
72 Destructor. |
|
73 */ |
|
74 CInternalSocket::~CInternalSocket() |
|
75 { |
|
76 #ifdef __TRACEWIN__ |
|
77 LOG(Log::Printf(_L("IRLAN: ~CInternalSocket %x\r\n"),this)); |
|
78 #endif |
|
79 delete iSendBuffer; |
|
80 delete iTimers; |
|
81 __ASSERT_DEBUG(iState==EClosing,IrlanUtil::Panic(EIrlanBadState)); |
|
82 delete iCServSocket; // underlying CServProviderBase |
|
83 if (iProtocol) |
|
84 iProtocol->Close(); |
|
85 } |
|
86 |
|
87 /** |
|
88 Opens a socket of the required type and protocol. |
|
89 @param aProtocolName A Protocol Name. |
|
90 @param aNotify A pointer to MSocketNotify object. |
|
91 @return KErrNone if succesfull otherwise any error code. |
|
92 */ |
|
93 TInt CInternalSocket::OpenL(const TDesC& aProtocolName,MSocketNotify* aNotify) |
|
94 { |
|
95 // Assert a new socket |
|
96 if (iState!=ENew) |
|
97 return KErrAlreadyExists; |
|
98 TInt err = KErrNone; |
|
99 // Ensure protocol is loaded |
|
100 TRAP(err, iProtocol = SocketServExt::FindAndLoadProtocolL(aProtocolName)); |
|
101 if (err!=KErrNone) |
|
102 return err; |
|
103 iProtocol->Open(); |
|
104 // Cache some protocol information |
|
105 TServerProtocolDesc info; |
|
106 info.iName=aProtocolName; |
|
107 iProtocol->Identify(&info); |
|
108 if (!(info.iServiceTypeInfo & ESocketSupport)) |
|
109 { |
|
110 iProtocol->Close(); |
|
111 iProtocol = NULL; |
|
112 return KErrNotSupported; |
|
113 } |
|
114 if (info.iServiceTypeInfo & EUseCanSend) |
|
115 iFlags |= KSoUseCanSend; |
|
116 if (info.iServiceInfo & KSIConnectionLess) |
|
117 iFlags |= KSoConnectionless; |
|
118 if (info.iServiceInfo & KSIGracefulClose) |
|
119 iFlags |= KSoGracefulClose; |
|
120 |
|
121 // Create the SAP |
|
122 TRAP(err, iCServSocket = iProtocol->NewSAPL(info.iSockType)); |
|
123 if (err!=KErrNone) |
|
124 { |
|
125 iProtocol->Close(); |
|
126 iProtocol = NULL; |
|
127 return err; |
|
128 } |
|
129 // Need to set up send buffer for |
|
130 iSendBufLength=KInternalMaxBufSize; |
|
131 iSendBuffer=HBufC8::NewMaxL(iSendBufLength); |
|
132 TPtr8 temp=iSendBuffer->Des(); |
|
133 iSendBufPtr.Set(temp); |
|
134 |
|
135 // Set state to OPEN |
|
136 iCServSocket->SetNotify(this); |
|
137 this->SetNotify(aNotify); |
|
138 iState = EOpen; |
|
139 iCServSocket->Start(); |
|
140 return KErrNone; |
|
141 } |
|
142 |
|
143 /** |
|
144 Need to construct the TIrdaSockAddr with the appropriate port number. |
|
145 Note that this is a real simple connect - no notion of connect data or |
|
146 select or a blocking socket. |
|
147 @param aAddr A reference to TSockAddr class. |
|
148 @return KErrNone if succesfull otherwise any error code. |
|
149 */ |
|
150 TInt CInternalSocket::Connect(TSockAddr& aAddr) |
|
151 { |
|
152 TInt ret=iCServSocket->SetRemName(aAddr); |
|
153 if (ret!=KErrNone) |
|
154 return ret; |
|
155 iState=EConnecting; |
|
156 iCServSocket->ActiveOpen(); |
|
157 return ret; |
|
158 } |
|
159 |
|
160 /** |
|
161 Does the work of listen and accept together. |
|
162 @param aQSize No of clients to be done passive open. |
|
163 @return KErrNone if succesfull. |
|
164 */ |
|
165 TInt CInternalSocket::WaitForConnect(TUint aQSize) |
|
166 { |
|
167 iCServSocket->PassiveOpen(aQSize); |
|
168 iState=EListening; |
|
169 return KErrNone; |
|
170 } |
|
171 |
|
172 /** |
|
173 Gets the local address of a socket. |
|
174 @param aAddr Local address which is filled.. |
|
175 */ |
|
176 void CInternalSocket::LocalName(TSockAddr& anAddr)const |
|
177 { |
|
178 iCServSocket->LocalName(anAddr); |
|
179 } |
|
180 |
|
181 /** |
|
182 Gets the remote name (address) of the socket service provider entity. The format of the data |
|
183 in the TSockAddr object is defined by individual protocols. |
|
184 @param aAddr The address to be filled in. |
|
185 */ |
|
186 void CInternalSocket::RemName(TSockAddr& /*aAddr*/)const |
|
187 { |
|
188 } |
|
189 |
|
190 /** |
|
191 Sets the local name (address) of the socket service provider entity. The format of the data |
|
192 in the TSockAddr object is defined by individual protocols. |
|
193 @param aAddr The address . |
|
194 @return KErrNone if the local name is correctly set or, if this is not the case, an |
|
195 informative error number. |
|
196 */ |
|
197 TInt CInternalSocket::SetLocalName(TSockAddr& aAddr) |
|
198 { |
|
199 return iCServSocket->SetLocalName(aAddr); |
|
200 } |
|
201 |
|
202 /** |
|
203 Sets some protocol specific option when called by the socket server on behalf of a client. A |
|
204 protocol may pass the request down a protocol stack (to protocols it is bound to) using the |
|
205 SetOption() function of CProtocolBase. |
|
206 @param aLevel Option level |
|
207 @param aName Option Name |
|
208 @param aDes Option data. |
|
209 @return KErrNone if succesfull otherwise any error code. |
|
210 */ |
|
211 TInt CInternalSocket::SetOption(TUint aLevel,TUint aName,const TDesC8& aDes) |
|
212 { |
|
213 return iCServSocket->SetOption(aLevel,aName,aDes); |
|
214 } |
|
215 |
|
216 /** |
|
217 Sets the remote name (address) of the socket service provider entity. The format of the data in the TSockAddr object is defined by individual protocols. |
|
218 @param The address |
|
219 @return Returns KErrNone if the remote name is correctly set or, if this is not the case, an informative error number. |
|
220 */ |
|
221 TInt CInternalSocket::SetRemName(TSockAddr &aAddr) |
|
222 { |
|
223 return iCServSocket->SetRemName(aAddr); |
|
224 } |
|
225 |
|
226 /** |
|
227 Create a Socket. |
|
228 */ |
|
229 void CInternalSocket::Start(void) |
|
230 { |
|
231 iCServSocket->Start(); |
|
232 } |
|
233 |
|
234 /** |
|
235 Gets some protocol specific option when called by the socket server on behalf of a client. |
|
236 A protocol may pass the request down a protocol stack (to protocols it is bound to) using |
|
237 the GetOption() function of CInternalSocket. |
|
238 @param aLevel Option level |
|
239 @param aName Option Name |
|
240 @param anOption Option data. |
|
241 @return KErrNone if succesfull otherwise any error code. |
|
242 */ |
|
243 TInt CInternalSocket::GetOption(TUint aLevel,TUint aName,TDes8& anOption)const |
|
244 { |
|
245 return iCServSocket->GetOption(aLevel,aName,anOption); |
|
246 } |
|
247 |
|
248 /** |
|
249 Performs some protocol specific IO control. |
|
250 @param aLevel IOCTL level |
|
251 @param aName IOCTL Name |
|
252 @param aDes IOCTL option |
|
253 */ |
|
254 void CInternalSocket::Ioctl(TUint aLevel,TUint aName,TDes8* aDes) |
|
255 { |
|
256 iCServSocket->Ioctl(aLevel,aName,aDes); |
|
257 } |
|
258 |
|
259 /** |
|
260 Cancels an outstanding Ioctl call. You are guaranteed only to have one outstanding at once. |
|
261 @param aLevel IOCTL level |
|
262 @param aName IOCTL Name |
|
263 */ |
|
264 void CInternalSocket::CancelIoctl(TUint aLevel,TUint aName) |
|
265 { |
|
266 iCServSocket->CancelIoctl(aLevel,aName); |
|
267 } |
|
268 |
|
269 /** |
|
270 Sends data onto the network via the protocol. Connection-oriented sockets must be in a connected |
|
271 state (that is ConnectComplete() has been called on their MSocketNotify) before Write() is |
|
272 called. |
|
273 @param aDes The data to be sent |
|
274 @param aFlag Protocol specific options |
|
275 @param aAddr Address to write the data to |
|
276 @return For stream-oriented protocols, the return value is the number of bytes actually written. |
|
277 If this is less than the length of the descriptor, then the protocol should call CanSend() |
|
278 when it is ready to send more data. For datagram-oriented protocols, the write should return |
|
279 either 0 if the write cannot be completed, or the length of the descriptor if the write succeeds - |
|
280 no other values are valid. If the Write() must return 0, then it should call CanSend() when |
|
281 it is ready to send more data. If the Write() fails due to some error, then it should call |
|
282 Error() with an informative error number, |
|
283 */ |
|
284 TUint CInternalSocket::Write(const TDesC8& aDes,TUint aFlag,TSockAddr *aAddr) |
|
285 { |
|
286 return iCServSocket->Write(aDes,aFlag,aAddr); |
|
287 } |
|
288 |
|
289 /** |
|
290 Gets data which the protocol has indicated is waiting in its buffers using the NewData up-call |
|
291 on the MSocketNotify. |
|
292 @param The buffer for data |
|
293 @param Protocol specific options |
|
294 @param Where the data came from |
|
295 */ |
|
296 void CInternalSocket::GetData(TDes8 &,TUint,TSockAddr *) |
|
297 { |
|
298 } |
|
299 |
|
300 /** |
|
301 Initiates a connection operation - this means that it tells the protocol to attempt to connect |
|
302 to a peer. It is called by the socket server in response to a connect request from a client. |
|
303 @param If the protocol supports user specified connection data, then it will be held in this buffer |
|
304 */ |
|
305 void CInternalSocket::ActiveOpen(const class TDesC8 &) |
|
306 { |
|
307 } |
|
308 |
|
309 /** |
|
310 Initiates a connection operation - this means that it tells the protocol to attempt to connect |
|
311 to a peer. It is called by the socket server in response to a connect request from a client. |
|
312 */ |
|
313 void CInternalSocket::ActiveOpen(void) |
|
314 { |
|
315 } |
|
316 |
|
317 /** |
|
318 Tells the protocol to start waiting for an incoming connection request on this socket (i.e. |
|
319 port). It is called by the socket server in response to a listen request from a client. |
|
320 @param aNum size of connect queue |
|
321 @param aDes if the protocol supports user specified connection data, then it will be held in this buffer |
|
322 @return KErrNone if succesfull otherwise any error code. |
|
323 */ |
|
324 TInt CInternalSocket::PassiveOpen(TUint aNum,const TDesC8 &aDes) |
|
325 { |
|
326 return iCServSocket->PassiveOpen(aNum,aDes); |
|
327 } |
|
328 |
|
329 /** |
|
330 Tells the protocol to start waiting for an incoming connection request on this socket (i.e. |
|
331 port). It is called by the socket server in response to a listen request from a client. |
|
332 @param aNum size of connect queue |
|
333 @return KErrNone if succesfull otherwise any error code. |
|
334 */ |
|
335 TInt CInternalSocket::PassiveOpen(TUint aNum) |
|
336 { |
|
337 return iCServSocket->PassiveOpen(aNum); |
|
338 } |
|
339 |
|
340 /** |
|
341 Terminates a connection (or closes a non connection-oriented socket down). |
|
342 @param The shutdown type |
|
343 @param If the protocol supports disconnect data, any such data required will be held in this |
|
344 buffer |
|
345 */ |
|
346 void CInternalSocket::Shutdown(enum CServProviderBase::TCloseType,const TDesC8 &) |
|
347 { |
|
348 } |
|
349 |
|
350 /** |
|
351 Terminates a connection (or closes a non connection-oriented socket down). |
|
352 @param The shutdown type |
|
353 */ |
|
354 void CInternalSocket::Shutdown(enum CServProviderBase::TCloseType) |
|
355 { |
|
356 } |
|
357 |
|
358 /** |
|
359 Specifies that the protocol should choose a local address for the service access point itself. |
|
360 */ |
|
361 void CInternalSocket::AutoBind(void) |
|
362 { |
|
363 iCServSocket->AutoBind(); |
|
364 } |
|
365 |
|
366 /** |
|
367 Close the socket - causes connection closure if required |
|
368 */ |
|
369 void CInternalSocket::Close() |
|
370 { |
|
371 // If allready closing or closed, ignore the call |
|
372 switch (iState) |
|
373 { |
|
374 case ENew: |
|
375 case EClosing: |
|
376 case EClosed: |
|
377 case EFault: |
|
378 return; |
|
379 case EOpen: |
|
380 case EConnecting: |
|
381 case EConnected: |
|
382 case EListening: |
|
383 // attempting graceful closure of SAP |
|
384 if (iCServSocket) |
|
385 iCServSocket->Shutdown(CServProviderBase::ENormal); |
|
386 TRAPD(ret,iTimers=CInternalSocketTimers::NewL(this)); |
|
387 if (ret!=KErrNone) |
|
388 { |
|
389 delete this; |
|
390 break; |
|
391 } |
|
392 else |
|
393 { |
|
394 TCallBack callback(CInternalSocket::InternalSocketTimerExpired,this); |
|
395 iTimers->StartInternalSocketTimer(callback,1500000L); // 1.5 secs |
|
396 } |
|
397 iState=EClosing; |
|
398 break; |
|
399 default: |
|
400 IrlanUtil::Panic(EIrlanBadState); |
|
401 break; |
|
402 } |
|
403 } |
|
404 |
|
405 TInt CInternalSocket::InternalSocketTimerExpired(TAny *aCIntSock) |
|
406 { |
|
407 CInternalSocket *ss=(CInternalSocket *)aCIntSock; |
|
408 |
|
409 ss->iTimers->DoInternalSocketTimerExpired(); |
|
410 delete ss; |
|
411 return 0; |
|
412 } |
|
413 |
|
414 /** |
|
415 Recv into descriptor via internal socket RecvFrom. |
|
416 @param aDes A descriptor where data read will be placed |
|
417 @param anAddr @param aAddr Address to write the data to |
|
418 @param aStat On completion, KErrNone if successful, KErrEof if a remote connection is |
|
419 closed and there is no more data, KErrNotReady if called when an operation |
|
420 is still outstanding, or a system-wide error code |
|
421 @param anOptions Option data. |
|
422 @return KErrNone if successful, KErrEof if a remote connection is closed and there is no more |
|
423 data, KErrNotReady if called when an operation is still outstanding, or a system-wide error code |
|
424 */ |
|
425 TUint CInternalSocket::Recv(TDes8& aDes,TSockAddr* anAddr,TRequestStatus& aStat,TUint aOptions) |
|
426 { |
|
427 RecvFrom(aDes,*anAddr,aOptions,aStat); |
|
428 return KErrNone; |
|
429 } |
|
430 |
|
431 /** |
|
432 Recv datagram and source address. ASYNCHRONOUS FUNCTION. |
|
433 @param aDes A descriptor where data read will be placed |
|
434 @param aAddr A remote source address for unconnected receives |
|
435 @param aFlags Flags which are passed through to protocol |
|
436 @param aStatus On completion, will contain an error code: see the system-wide error codes. |
|
437 Note that KErrEof indicates either that a remote connection is closed, and |
|
438 that no more data is available for reading, or the socket has been shutdown |
|
439 with option RSocket::EStopInput. |
|
440 @return On completion, will contain an error code: see the system-wide error codes. |
|
441 Note that KErrEof indicates either that a remote connection is closed, and |
|
442 that no more data is available for reading, or the socket has been shutdown |
|
443 with option RSocket::EStopInput. |
|
444 */ |
|
445 void CInternalSocket::RecvFrom(TDes8& aDes, TSockAddr& aAddr, TUint aFlags, |
|
446 TRequestStatus& aStatus) |
|
447 { |
|
448 // Check if recv allready pending |
|
449 __ASSERT_ALWAYS(!(iFlags & KSoRecvPending), Panic(EPanic_InUse)); |
|
450 // Check if state allows recv |
|
451 __ASSERT_ALWAYS((!(iFlags&KSoConnectionless) && iState==EConnected) || iState==EOpen, Panic(EPanic_NotReady)); |
|
452 |
|
453 iRecvDes = &aDes; |
|
454 iRecvFlags = aFlags; |
|
455 iRecvAddr = &aAddr; |
|
456 iRecvStat = &aStatus; |
|
457 __ASSERT_ALWAYS(iRecvStat!=0,Panic(EPanic_StatusRecv)); |
|
458 // iRecvOffset = 0; |
|
459 *iRecvStat = KRequestPending; |
|
460 iFlags |= KSoRecvPending; |
|
461 DoRecv(); |
|
462 } |
|
463 |
|
464 /** |
|
465 Unpack RMBufChain and send the descriptor via internal socket SendTo. |
|
466 @param aPdu A reference to the packet to be sent (really an RMBufPkt) |
|
467 @param aOptions Protocol specific options |
|
468 @param aStat On completion, will contain an error code: see the system-wide error codes. |
|
469 Note that KErrEof indicates either that a remote connection is closed, and |
|
470 that no more data is available for reading, or the socket has been shutdown |
|
471 with option RSocket::EStopInput. |
|
472 @param aAddr Address to write the data to |
|
473 @return For stream-oriented protocols, the return value is the number of bytes actually written. |
|
474 If this is less than the length of the descriptor, then the protocol should call CanSend() |
|
475 when it is ready to send more data. For datagram-oriented protocols, the write should return |
|
476 either 0 if the write cannot be completed, or the length of the descriptor if the write succeeds - |
|
477 no other values are valid. If the Write() must return 0, then it should call CanSend() when |
|
478 it is ready to send more data. If the Write() fails due to some error, then it should call |
|
479 Error() with an informative error number, |
|
480 */ |
|
481 TUint CInternalSocket::Write(RMBufChain& aPdu,TUint aOptions,TRequestStatus& aStat,TSockAddr* anAddr) |
|
482 { |
|
483 RMBuf *mbuf; |
|
484 TInt bptr=0; |
|
485 TMBufIter iter=aPdu; |
|
486 while ((mbuf=iter++)!=NULL) |
|
487 {// Process each individual MBuf in chain. |
|
488 TUint8* mptr=mbuf->Ptr(); |
|
489 TInt len=mbuf->Length(); |
|
490 while (len--) // Byte-stuffing algorithm applied to each mbuf byte |
|
491 iSendBufPtr[bptr++]=*mptr++; |
|
492 } |
|
493 iSendBufPtr.SetLength(bptr); |
|
494 #ifdef __TRACEWIN__ |
|
495 LOG(Log::Printf(_L("IRLAN: CInternalSocket::Write\r\n"))); |
|
496 LOG(Log::HexDump(_S("IRLAN "),_S("IRLAN "), |
|
497 (TUint8 *)&iSendBufPtr[0],iSendBufPtr.Length())); |
|
498 #endif |
|
499 SendTo(iSendBufPtr,*anAddr,aOptions,aStat); |
|
500 return KErrNone; |
|
501 } |
|
502 |
|
503 /** |
|
504 Send datagram to host/network. ASYNCHRONOUS FUNCTION. |
|
505 @param aDes A constant descriptor |
|
506 @param aAddr A remote destination address for unconnected sends |
|
507 @param aFlags Flags which are passed through to protocol |
|
508 @param aStatus On completion, will contain an error code: see the system-wide error codes. |
|
509 Note that KErrEof indicates that the socket has been shutdown with option |
|
510 EStopOutput |
|
511 */ |
|
512 void CInternalSocket::SendTo(const TDesC8& aDes, const TSockAddr& aAddr, TUint aFlags, TRequestStatus& aStatus) |
|
513 { |
|
514 // Check if send already pending |
|
515 __ASSERT_ALWAYS(!(iFlags & KSoSendPending), Panic(EPanic_InUse)); |
|
516 // Check if state allows send |
|
517 __ASSERT_ALWAYS((!(iFlags&KSoConnectionless) && iState==EConnected) || iState==EOpen, Panic(EPanic_NotReady)); |
|
518 |
|
519 iSendDes = &aDes; |
|
520 iSendFlags = aFlags; |
|
521 iSendAddr = (TSockAddr*)&aAddr; |
|
522 iSendStat = &aStatus; |
|
523 // iSendOffset = 0; |
|
524 *iSendStat = KRequestPending; |
|
525 iFlags |= KSoSendPending; |
|
526 DoSend(); |
|
527 } |
|
528 |
|
529 /** |
|
530 Abort a recv request |
|
531 Cancels an outstanding Recv() operation |
|
532 */ |
|
533 void CInternalSocket::CancelRecv() |
|
534 { |
|
535 if (iFlags & KSoRecvPending) |
|
536 CompleteRecv(KErrCancel); |
|
537 } |
|
538 |
|
539 /** |
|
540 Abort a send request |
|
541 Cancels an outstanding Send() operation. |
|
542 */ |
|
543 void CInternalSocket::CancelSend() |
|
544 { |
|
545 if (iFlags & KSoSendPending) |
|
546 CompleteSend(KErrCancel); |
|
547 } |
|
548 |
|
549 /** |
|
550 Upcall from SAP - more data arrived |
|
551 Indicates that new data is available on a service access point |
|
552 */ |
|
553 void CInternalSocket::NewData(TUint aCount) |
|
554 { |
|
555 if (aCount==KNewDataEndofData) |
|
556 // End of data indication |
|
557 iFlags |= KSoCantRecvMore; |
|
558 else |
|
559 iRecvNotifyCount += aCount; |
|
560 |
|
561 DoRecv(); |
|
562 } |
|
563 |
|
564 /** |
|
565 Upcall from SAP - flow control on |
|
566 Indicates that new buffer space is available on a service |
|
567 */ |
|
568 void CInternalSocket::CanSend() |
|
569 { |
|
570 iFlags &= ~KSoSendFlowOff; |
|
571 iNotify->CanSend(); |
|
572 DoSend(); |
|
573 } |
|
574 |
|
575 /** |
|
576 Upcall from SAP - can now delete or detach to SAP. |
|
577 Indicates that the SAP has finished closing down. |
|
578 */ |
|
579 void CInternalSocket::CanClose(TDelete aDelete) |
|
580 { |
|
581 #ifdef __TRACEWIN__ |
|
582 LOG(Log::Printf(_L("IRLAN: CInternalSocket::CanClose - deleting CServProvdBase\r\n"))); |
|
583 #endif |
|
584 switch (iState) |
|
585 { |
|
586 case EClosing: |
|
587 // leave things alone |
|
588 break; |
|
589 default: |
|
590 delete iCServSocket; |
|
591 iCServSocket=NULL; |
|
592 if (aDelete==EDelete && iProtocol) |
|
593 iProtocol->Close(); |
|
594 iProtocol=NULL; |
|
595 break; |
|
596 } |
|
597 } |
|
598 |
|
599 /** |
|
600 Upcall from SAP - Error notification. |
|
601 @param aError The error code |
|
602 @param aOpMask A bitmask of TOperationBitmasks values specifying which pending operations are |
|
603 affected by the Error up-call |
|
604 */ |
|
605 void CInternalSocket::Error(TInt aError, TUint aOpMask) |
|
606 { |
|
607 if ((iFlags & KSoRecvPending) && (aOpMask & MSocketNotify::EErrorSend)) |
|
608 CompleteRecv(aError); |
|
609 if ((iFlags & KSoSendPending) && (aOpMask & MSocketNotify::EErrorSend)) |
|
610 CompleteSend(aError); |
|
611 } |
|
612 |
|
613 /** |
|
614 Upcall from SAP - Not supported |
|
615 Indicates that the other end of a connection has disconnected. |
|
616 */ |
|
617 void CInternalSocket::Disconnect(void) |
|
618 { |
|
619 } |
|
620 |
|
621 /** |
|
622 Upcall from SAP. Notify layer above |
|
623 Indicates that a connection attempt has completed successfully |
|
624 */ |
|
625 void CInternalSocket::ConnectComplete() |
|
626 { |
|
627 } |
|
628 |
|
629 /** |
|
630 Upcall from SAP. Notify layer above |
|
631 Indicates that the currently pending Ioctl has completed |
|
632 |
|
633 @param aBuf Any data requested by the Ioctl operation. |
|
634 */ |
|
635 void CInternalSocket::IoctlComplete(TDesC8* aBuf) |
|
636 { |
|
637 iNotify->IoctlComplete(aBuf); |
|
638 } |
|
639 |
|
640 /** |
|
641 Upcall from SAP. Notify layer above |
|
642 Indicates that a connection attempt has completed successfully |
|
643 @param aSSP The new SSP for passive opens |
|
644 */ |
|
645 void CInternalSocket::ConnectComplete(CServProviderBase& aSSP) |
|
646 { |
|
647 iState = EConnected; |
|
648 iNotify->ConnectComplete(aSSP); |
|
649 } |
|
650 |
|
651 /** |
|
652 Upcall from SAP. Notify layer above |
|
653 Indicates that a connection attempt has completed successfully |
|
654 @param aConnectData Connect data (if supported) |
|
655 */ |
|
656 void CInternalSocket::ConnectComplete(const TDesC8& aConnectData) |
|
657 { |
|
658 iState = EConnected; |
|
659 iNotify->ConnectComplete(aConnectData); |
|
660 } |
|
661 |
|
662 /** |
|
663 Upcall from SAP. Notify layer above |
|
664 Indicates that a connection attempt has completed successfully |
|
665 @param aSSP The new SSP for passive opens |
|
666 @param aConnectData Connect data (if supported) |
|
667 */ |
|
668 void CInternalSocket::ConnectComplete(CServProviderBase& aSSP,const TDesC8& aConnectData) |
|
669 { |
|
670 iState = EConnected; |
|
671 iNotify->ConnectComplete(aSSP,aConnectData); |
|
672 } |
|
673 |
|
674 /** |
|
675 Indicates that the other end of a connection has disconnected |
|
676 @param aDisconnectData User data in the disconnect frame. |
|
677 */ |
|
678 void CInternalSocket::Disconnect(TDesC8& /*aDisconnectData*/) |
|
679 { |
|
680 } |
|
681 |
|
682 /** |
|
683 Upcall from SAP. Notify layer above. |
|
684 Indicates that the SAP has finished closing down |
|
685 @param aDisconnectData Any user data carried on the disconnect frame |
|
686 @param aDelete Delete SAP |
|
687 */ |
|
688 void CInternalSocket::CanClose(const TDesC8& /*aDisconnectData*/,TDelete /*aDelete*/) |
|
689 { |
|
690 } |
|
691 |
|
692 /** |
|
693 Receive processing |
|
694 */ |
|
695 void CInternalSocket::DoRecv() |
|
696 { |
|
697 if (!(iFlags & KSoRecvPending)) |
|
698 return; |
|
699 if (iRecvNotifyCount==0) |
|
700 return; |
|
701 iRecvNotifyCount -= 1; |
|
702 iCServSocket->GetData(*iRecvDes, iRecvFlags, iRecvAddr); |
|
703 // iRecvOffset = iRecvDes->Length(); |
|
704 CompleteRecv(KErrNone); |
|
705 } |
|
706 |
|
707 /** |
|
708 Complete the pending receive updating the length |
|
709 @param aStatus Sets the status after completely receiving the data. |
|
710 */ |
|
711 void CInternalSocket::CompleteRecv(TInt aStatus) |
|
712 { |
|
713 iFlags &= ~KSoRecvPending; |
|
714 // iRecvDes->SetLength(iRecvOffset); |
|
715 // if (iRecvXferLen) |
|
716 // { |
|
717 // TSockXfrLength len; |
|
718 // len() = iRecvOffset; |
|
719 // *iRecvXferLen = len; |
|
720 // } |
|
721 __ASSERT_ALWAYS(iRecvStat!=NULL,Panic(EPanic_StatusComplete)); |
|
722 User::RequestComplete(iRecvStat, aStatus); |
|
723 } |
|
724 |
|
725 /** |
|
726 Send processing |
|
727 */ |
|
728 void CInternalSocket::DoSend() |
|
729 { |
|
730 if (!(iFlags & KSoSendPending)) |
|
731 return; |
|
732 if (iCServSocket->Write(*iSendDes, iSendFlags, iSendAddr)) |
|
733 { |
|
734 // iSendOffset = iSendDes->Length(); |
|
735 CompleteSend(KErrNone); |
|
736 } |
|
737 else |
|
738 iFlags |= KSoSendFlowOff; |
|
739 } |
|
740 |
|
741 /** |
|
742 Complete the pending send updating the length |
|
743 @param aStatus On Completion sets the status. |
|
744 */ |
|
745 void CInternalSocket::CompleteSend(TInt aStatus) |
|
746 { |
|
747 iFlags &= ~KSoSendPending; |
|
748 // if (iSendXferLen) |
|
749 // { |
|
750 // TSockXfrLength len; |
|
751 // len() = iSendOffset; |
|
752 // *iSendXferLen = len; |
|
753 // } |
|
754 iSendBufPtr.SetLength(iSendBufLength); |
|
755 User::RequestComplete(iSendStat, aStatus); |
|
756 } |
|
757 |
|
758 void CInternalSocket::NoBearer(const TDesC8& /*aConnectionParams*/) |
|
759 { |
|
760 } |
|
761 |
|
762 void CInternalSocket::Bearer(const TDesC8& /*aConnectionInfo*/) |
|
763 { |
|
764 } |
|
765 |
|
766 /** |
|
767 Panics. |
|
768 @param aPanic The panic number. |
|
769 */ |
|
770 void CInternalSocket::Panic(TPanicCode aPanic) |
|
771 { |
|
772 __DEBUGGER(); |
|
773 User::Panic(_L("CInSock"), aPanic); |
|
774 } |
|
775 |
|
776 //********************************************************************** |
|
777 |
|
778 /** |
|
779 Constructor |
|
780 */ |
|
781 CInternalHostResolver::CInternalHostResolver() |
|
782 { |
|
783 __DECLARE_NAME(_S("CInternalHostResolver")); |
|
784 } |
|
785 |
|
786 /** |
|
787 Destructor. |
|
788 */ |
|
789 CInternalHostResolver::~CInternalHostResolver() |
|
790 { |
|
791 delete iHostResolver; |
|
792 if (iProtocol) |
|
793 iProtocol->Close(); |
|
794 } |
|
795 |
|
796 /** |
|
797 Create a new CInternalHostResolver object. |
|
798 */ |
|
799 CInternalHostResolver *CInternalHostResolver::NewL() |
|
800 { |
|
801 return new (ELeave) CInternalHostResolver; |
|
802 } |
|
803 |
|
804 /** |
|
805 Opens a socket of the required type and protocol. |
|
806 @param aProtocolName A Protocol Name. |
|
807 @param aNotify A pointer to MResolverNotify object. |
|
808 @return KErrNone if succesfull otherwise any error code. |
|
809 */ |
|
810 TInt CInternalHostResolver::OpenL(const TDesC& aProtocolName,MResolverNotify *aEngine) |
|
811 { |
|
812 // Assert a new host resolver |
|
813 if (iState!=ENew) |
|
814 return KErrAlreadyExists; |
|
815 TInt err = KErrNone; |
|
816 // Ensure protocol is loaded |
|
817 TRAP(err, iProtocol = SocketServExt::FindAndLoadProtocolL(aProtocolName)); |
|
818 if (err!=KErrNone) |
|
819 return err; |
|
820 iProtocol->Open(); |
|
821 // Create the host resolver |
|
822 TRAP(err, iHostResolver = iProtocol->NewHostResolverL()); |
|
823 if (err!=KErrNone) |
|
824 { |
|
825 iProtocol->Close(); |
|
826 iProtocol = NULL; |
|
827 return err; |
|
828 } |
|
829 // Set state to OPEN |
|
830 iHostResolver->SetNotify(this); |
|
831 this->SetNotify(aEngine); |
|
832 iState = EConnected; |
|
833 return KErrNone; |
|
834 } |
|
835 |
|
836 /** |
|
837 Notifier call back from IrDA PRT |
|
838 This is where the request completes - it has already filled |
|
839 in the name record passed through to GetByName so leave that. |
|
840 @param aErr Error code. |
|
841 */ |
|
842 void CInternalHostResolver::QueryComplete(TInt aErr) |
|
843 { |
|
844 iBusy=EFalse; |
|
845 iNotify->QueryComplete(aErr); |
|
846 } |
|
847 |
|
848 /** |
|
849 Resolves a machine name to a TSockAddress asynchronously |
|
850 @param aName Name of the service to get |
|
851 */ |
|
852 TInt CInternalHostResolver::GetByName(TNameRecord& aName) |
|
853 { |
|
854 if (iBusy) |
|
855 return KErrInUse; |
|
856 iBusy=ETrue; |
|
857 iHostResolver->GetByName(aName); |
|
858 return KErrNone; |
|
859 } |
|
860 |
|
861 /** |
|
862 Gets the name of a host from its address asynchronously |
|
863 @param aName Address of the service to get |
|
864 */ |
|
865 void CInternalHostResolver::GetByAddress(TNameRecord& /*aName*/) |
|
866 { |
|
867 } |
|
868 |
|
869 /** |
|
870 Sets the name of the local host |
|
871 @param aNameBuf The local host name. |
|
872 */ |
|
873 void CInternalHostResolver::SetHostName(TDes8& /*aNameBuf*/) |
|
874 { |
|
875 } |
|
876 |
|
877 /** |
|
878 Gets the name of the local host. |
|
879 @param aNameBuf The buffer passed in should have a minimum length of 256 characters, |
|
880 */ |
|
881 void CInternalHostResolver::GetHostName(TDes8& /*aNameBuf*/) |
|
882 { |
|
883 } |
|
884 |
|
885 //*********************************************************************** |
|
886 |
|
887 /** |
|
888 Constructor. |
|
889 */ |
|
890 CInternalNetDB::CInternalNetDB() |
|
891 { |
|
892 } |
|
893 |
|
894 /** |
|
895 Destructor. |
|
896 */ |
|
897 CInternalNetDB::~CInternalNetDB() |
|
898 { |
|
899 delete iNetDatabase; |
|
900 if (iProtocol) |
|
901 iProtocol->Close(); |
|
902 } |
|
903 |
|
904 /** |
|
905 Create a new CInternalNetDB object |
|
906 */ |
|
907 CInternalNetDB *CInternalNetDB::NewL() |
|
908 { |
|
909 return new (ELeave) CInternalNetDB; |
|
910 } |
|
911 |
|
912 /** |
|
913 Opens a socket of the required type and protocol. |
|
914 @param aProtocolName A Protocol Name. |
|
915 @param aNotify A pointer to MResolverNotify object. |
|
916 @return KErrNone if succesfull otherwise any error code. |
|
917 */ |
|
918 TInt CInternalNetDB::OpenL(const TDesC& aProtocolName,MResolverNotify *aEngine) |
|
919 { |
|
920 // Assert a new net database |
|
921 if (iState!=ENew) |
|
922 return KErrAlreadyExists; |
|
923 TInt err = KErrNone; |
|
924 // Ensure protocol is loaded |
|
925 TRAP(err, iProtocol = SocketServExt::FindAndLoadProtocolL(aProtocolName)); |
|
926 if (err!=KErrNone) |
|
927 return err; |
|
928 iProtocol->Open(); |
|
929 // Create the net database |
|
930 TRAP(err, iNetDatabase = iProtocol->NewNetDatabaseL()); |
|
931 if (err!=KErrNone) |
|
932 { |
|
933 iProtocol->Close(); |
|
934 iProtocol = NULL; |
|
935 return err; |
|
936 } |
|
937 // Set state to OPEN |
|
938 iNetDatabase->SetNotify(this); |
|
939 this->SetNotify(aEngine); |
|
940 iState = EOpen; |
|
941 return KErrNone; |
|
942 } |
|
943 |
|
944 /** |
|
945 Notifier call back from IrDA PRT |
|
946 This function is called when an operation querying the processing ability of a peer device |
|
947 completes |
|
948 @param aError Error code. |
|
949 */ |
|
950 void CInternalNetDB::QueryComplete(TInt aError) |
|
951 { |
|
952 if (iBusy) |
|
953 { |
|
954 iBusy=EFalse; |
|
955 iNotify->QueryComplete(aError); |
|
956 } |
|
957 // else we assume that it's an Add or Remove. |
|
958 } |
|
959 |
|
960 /** |
|
961 Remember that results are returned in this buffer too. |
|
962 Makes a query to the database |
|
963 @param aBuffer The query to perform |
|
964 */ |
|
965 TInt CInternalNetDB::Query(TDes8& aBuffer) |
|
966 { |
|
967 if (iBusy) |
|
968 return KErrInUse; |
|
969 iBusy=ETrue; |
|
970 iNetDatabase->Query(aBuffer); |
|
971 return KErrNone; |
|
972 } |
|
973 |
|
974 /** |
|
975 Adds a record to the database |
|
976 @param aBuffer The record to add |
|
977 */ |
|
978 void CInternalNetDB::Add(TDes8& aBuffer) |
|
979 { |
|
980 iNetDatabase->Add(aBuffer); |
|
981 } |
|
982 |
|
983 /** |
|
984 Removes a record from the database |
|
985 @param aBuffer The record to remove |
|
986 */ |
|
987 void CInternalNetDB::Remove(TDes8& aBuffer) |
|
988 { |
|
989 iNetDatabase->Add(aBuffer); |
|
990 } |
|
991 |
|
992 //*********************************************************************** |
|
993 |
|
994 /** |
|
995 Constructor. |
|
996 */ |
|
997 CInternalSocketTimers::CInternalSocketTimers(CInternalSocket *aCIntSock) |
|
998 { |
|
999 __DECLARE_NAME(_S("CInternalSocketTimers")); |
|
1000 iInternalSocket=aCIntSock; |
|
1001 iInternalSocketTimerH=NULL; |
|
1002 } |
|
1003 |
|
1004 /** |
|
1005 Destructor. |
|
1006 */ |
|
1007 CInternalSocketTimers::~CInternalSocketTimers() |
|
1008 { |
|
1009 if (iInternalSocketTimerH) |
|
1010 StopInternalSocketTimer(); |
|
1011 } |
|
1012 |
|
1013 /** |
|
1014 Initialise the value of iInternalSocket for static member functions |
|
1015 @param aCIntSock A pointer to CInternalSocket object. |
|
1016 */ |
|
1017 CInternalSocketTimers *CInternalSocketTimers::NewL(CInternalSocket *aCIntSock) |
|
1018 { |
|
1019 return new (ELeave) CInternalSocketTimers(aCIntSock); |
|
1020 } |
|
1021 |
|
1022 /** |
|
1023 Invoked to start the Internal Socket timer |
|
1024 Can either complete as a call back to the |
|
1025 static CInternalSocket::InternalSocketTimerExpired or can cancel. |
|
1026 @param aCallBack Encapsulates a general call-back function. |
|
1027 @param aTimeout Time out period |
|
1028 */ |
|
1029 void CInternalSocketTimers::StartInternalSocketTimer(TCallBack aCallBack,TInt aTimeout) |
|
1030 { |
|
1031 if (iInternalSocketTimerH) |
|
1032 StopInternalSocketTimer(); |
|
1033 iInternalSocketTimer.Set(aCallBack); |
|
1034 iInternalSocketTimerH=&iInternalSocketTimer; |
|
1035 IrlanTimer::Queue(aTimeout,iInternalSocketTimer); |
|
1036 } |
|
1037 |
|
1038 /** |
|
1039 Invoked to stop a previously queued Internal Socket timer |
|
1040 */ |
|
1041 void CInternalSocketTimers::StopInternalSocketTimer() |
|
1042 { |
|
1043 if (iInternalSocketTimerH) |
|
1044 IrlanTimer::Remove(iInternalSocketTimer); |
|
1045 iInternalSocketTimerH=NULL; |
|
1046 } |
|
1047 |
|
1048 void CInternalSocketTimers::DoInternalSocketTimerExpired() |
|
1049 { |
|
1050 iInternalSocketTimerH=NULL; |
|
1051 } |
|
1052 |
|
1053 |
|
1054 |
|
1055 |