|
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 // |
|
15 |
|
16 #ifndef RFCOMMSTATES_H |
|
17 #define RFCOMMSTATES_H |
|
18 |
|
19 #include <bt_sock.h> |
|
20 #include "rfcommsap.h" |
|
21 #include "rfcommutil.h" |
|
22 #include "rfcommtypes.h" |
|
23 |
|
24 // Defines the states for the state pattern used by the rfcomm saps |
|
25 |
|
26 class CRfcommState; |
|
27 class CRfcommSAP; |
|
28 |
|
29 NONSHARABLE_CLASS(CRfcommStateFactory) : public CBase |
|
30 { |
|
31 friend class CRfcommProtocol; |
|
32 public: |
|
33 enum TRfcommStates |
|
34 { |
|
35 EError, |
|
36 EClosed, |
|
37 EWaitForMux, |
|
38 EWaitForPNResp, |
|
39 EWaitForUA, |
|
40 EOpen, |
|
41 EDisconnect, |
|
42 EListening, |
|
43 EWaitForSABM, |
|
44 EWaitForOutgoingSecurityCheck, |
|
45 EWaitForIncomingSecurityCheck, |
|
46 EWaitForStart, |
|
47 ECloseOnStart, |
|
48 EDisconnecting, |
|
49 // *** keep next one last *** |
|
50 ERfcommMaxState, |
|
51 }; |
|
52 |
|
53 TRfcommState* GetState(const TRfcommStates aState); |
|
54 TInt StateIndex(const TRfcommState* aState) const; |
|
55 |
|
56 static CRfcommStateFactory* NewL(); |
|
57 ~CRfcommStateFactory(); |
|
58 private: |
|
59 CRfcommStateFactory(); |
|
60 void ConstructL(); |
|
61 |
|
62 TFixedArray<TRfcommState*, ERfcommMaxState> iStates; |
|
63 }; |
|
64 |
|
65 /** |
|
66 The base class for all the Rfcomm SAP states. |
|
67 |
|
68 This is interface that all state objects participating in the state |
|
69 pattern have to adhere to. It provides a mirror of the interface |
|
70 of a SAP, since SAPs pass all actions through to the state object |
|
71 to provide stateful behaviour. |
|
72 |
|
73 Since States are implemented as flyweight objects, there can be no |
|
74 SAP specific state information maintained in the state. All the |
|
75 information specific to the SAP is stored by the SAP, which acts as |
|
76 a context for the state. |
|
77 |
|
78 Private |
|
79 **/ |
|
80 NONSHARABLE_CLASS(TRfcommState) |
|
81 { |
|
82 public: |
|
83 TRfcommState(CRfcommStateFactory& aFactory); |
|
84 // State |
|
85 virtual void Enter(CRfcommSAP& aSAP)=0; // Entry to a state |
|
86 virtual void Exit(CRfcommSAP& aSAP)=0; // Exiting a state |
|
87 // From the socket |
|
88 virtual void ActiveOpen(CRfcommSAP& aSAP)=0; |
|
89 virtual TInt PassiveOpen(CRfcommSAP& aSAP, TUint aQueSize)=0; |
|
90 virtual void Shutdown(CRfcommSAP& aSAP)=0; |
|
91 virtual void FastShutdown(CRfcommSAP& aSAP)=0; |
|
92 virtual TInt Send(CRfcommSAP& aSAP, const TDesC8& aData)=0; |
|
93 virtual void Read(CRfcommSAP& aSAP, TDesC8& aData)=0; |
|
94 virtual void Ioctl(CRfcommSAP& aSAP, TUint aLevel, TUint aName, TDes8* aOption)=0; |
|
95 virtual void CancelIoctl(CRfcommSAP& aSAP, TUint aLevel, TUint aName)=0; |
|
96 virtual void Start(CRfcommSAP& aSAP)=0; |
|
97 virtual TInt SetOption(CRfcommSAP& aSAP, TUint aLevel, |
|
98 TUint aName, const TDesC8 &aOption) =0; |
|
99 |
|
100 // From the muxer |
|
101 virtual void MuxUp(CRfcommSAP& aSAP)=0; |
|
102 virtual void LinkDown(CRfcommSAP& aSAP)=0; |
|
103 virtual void IoctlComplete(CRfcommSAP& aSAP, TInt aErr, TUint aLevel,TUint aName, TDesC8* aBuf) =0; |
|
104 |
|
105 // From the security requester |
|
106 virtual void AccessRequestComplete(CRfcommSAP& aSAP, TInt aResult)=0; |
|
107 |
|
108 // frame types |
|
109 virtual void SABM(CRfcommSAP& aSAP, CRfcommMuxer& aMux, TUint8 aDLCI)=0; |
|
110 virtual void UA(CRfcommSAP& aSAP)=0; |
|
111 virtual void DISC(CRfcommSAP& aSAP)=0; |
|
112 virtual void DM(CRfcommSAP& aSAP)=0; |
|
113 // mux channel commands |
|
114 // Remote parameter negotiation |
|
115 virtual void RPN(CRfcommSAP& aSAP, const TRfcommRPNTransaction& aRPNTransaction, CRfcommMuxer& aMux, TUint8 aDLCI)=0; |
|
116 virtual void RPNRsp(CRfcommSAP& aSAP, const TRfcommRPNTransaction& aRPNTransaction)=0; |
|
117 // Parameter negotiation |
|
118 virtual void PN(CRfcommSAP& aSAP, TRfcommPortParams& aParams, CRfcommMuxer& aMux, TUint8 aDLCI)=0; |
|
119 virtual void PNResp(CRfcommSAP& aSAP, TRfcommPortParams& aParams)=0; |
|
120 virtual void MSC(CRfcommSAP& aSAP, TUint8 aSignals)=0;// Modem status command |
|
121 virtual void RLS(CRfcommSAP& aSAP, TUint8 aStatus)=0; // Remote line status |
|
122 // data |
|
123 virtual void NewData(CRfcommSAP& aSAP, const TDesC8& aData)=0; |
|
124 virtual void NotifyNewDataCallback(CRfcommSAP& aSAP)=0; |
|
125 virtual void CanSend(CRfcommSAP& aSAP)=0; |
|
126 virtual void Error(CRfcommSAP& aSAP, TInt aErr, |
|
127 CRfcommSAP::TErrorTypes aType)=0; |
|
128 //TRY_CBFC |
|
129 virtual TUint8 FreeCredit(CRfcommSAP& aSAP)=0; |
|
130 virtual TInt ProxyForRemoteCredit(const CRfcommSAP& aSAP) const =0; |
|
131 virtual void SetProxyForRemoteCredit(CRfcommSAP& aSAP, TInt aCredit)=0; |
|
132 virtual void ProxyForRemoteCreditDecrement(CRfcommSAP& aSAP)=0; |
|
133 virtual void ProxyForRemoteCreditAddCredit(CRfcommSAP& aSAP, TUint8 aCredit)=0; |
|
134 virtual TInt LocalCredit(const CRfcommSAP& aSAP) const =0; |
|
135 virtual void SetInitialLocalCredit(CRfcommSAP& aSAP, TInt aCredit)=0; |
|
136 virtual void LocalCreditDecrement(CRfcommSAP& aSAP)=0; |
|
137 virtual void LocalCreditAddCredit(CRfcommSAP& aSAP, TUint8 aCredit)=0; |
|
138 // Notification for cloned SAPs waiting for connection. |
|
139 virtual void ParentClosed(CRfcommSAP& aSAP)=0; |
|
140 |
|
141 // Notifications from sent frames waiting for a response. |
|
142 virtual TBool HandleFrameResponseTimeout(CRfcommSAP& aSAP)=0; |
|
143 |
|
144 protected: |
|
145 // Utility Error function |
|
146 TInt SignalError(CRfcommSAP& aSAP, TInt aErr, MSocketNotify::TOperationBitmasks aType); |
|
147 |
|
148 // State change utility function |
|
149 void ChangeState(CRfcommSAP& aSAP, CRfcommStateFactory::TRfcommStates aNewState) const; |
|
150 |
|
151 // State panicking functions |
|
152 void PanicInState(TRFCOMMPanic aPanic) const; |
|
153 void DebugPanicInState(TRFCOMMPanic aPanic) const; |
|
154 |
|
155 protected: |
|
156 // Data |
|
157 CRfcommStateFactory& iFactory; // Get states |
|
158 #ifdef __FLOG_ACTIVE |
|
159 TBuf<48> iName; |
|
160 #endif |
|
161 private: |
|
162 // Forbid copying |
|
163 TRfcommState(const TRfcommState&); |
|
164 const TRfcommState& operator=(const TRfcommState&); |
|
165 }; |
|
166 |
|
167 #ifdef __FLOG_ACTIVE |
|
168 #define STATENAME(x) iName=_L(x) |
|
169 #else |
|
170 #define STATENAME(x) |
|
171 #endif |
|
172 |
|
173 /** |
|
174 A state class that provides default behaviours. |
|
175 |
|
176 This state provides some default behaviours so that other states |
|
177 can simply derive from it and thus pick up a set of default |
|
178 behaviours. This reduces the coding burden for other states. |
|
179 |
|
180 For events originating within the Socket, the default behaviour is |
|
181 to panic as derived classes should be implementing the correct |
|
182 functionality. For events coming in from the Muxer, we don't |
|
183 assume that the derived class will be expecting this event (since |
|
184 it has essentially come from the remote end). Thus the default |
|
185 behaviour is to place the SAP into an error state, as this is the |
|
186 fail-safe state when the remote end sends us an unexpected event. |
|
187 |
|
188 Private |
|
189 **/ |
|
190 NONSHARABLE_CLASS(TRfcommStateDefault) : public TRfcommState |
|
191 { |
|
192 public: |
|
193 TRfcommStateDefault(CRfcommStateFactory& aFactory); |
|
194 |
|
195 // Normal state changes |
|
196 virtual void Enter(CRfcommSAP& aSAP); |
|
197 virtual void Exit(CRfcommSAP& aSAP); |
|
198 |
|
199 // State changes initiated by the SAP. Default is to Panic. |
|
200 virtual void ActiveOpen(CRfcommSAP& aSAP); |
|
201 virtual TInt PassiveOpen(CRfcommSAP& aSAP, TUint aQueSize); |
|
202 virtual void Shutdown(CRfcommSAP& aSAP); |
|
203 virtual void FastShutdown(CRfcommSAP& aSAP); |
|
204 virtual TInt Send(CRfcommSAP& aSAP, const TDesC8& aData); |
|
205 virtual void Read(CRfcommSAP& aSAP, TDesC8& aData); |
|
206 virtual void Ioctl(CRfcommSAP& aSAP, TUint aLevel, TUint aName, TDes8* aOption); |
|
207 virtual void CancelIoctl(CRfcommSAP& aSAP, TUint aLevel, TUint aName); |
|
208 virtual void Start(CRfcommSAP& aSAP); |
|
209 virtual TInt SetOption(CRfcommSAP& aSAP, TUint level, TUint name, const TDesC8& aOption); |
|
210 |
|
211 // From the signaller, go to error state |
|
212 virtual void MuxUp(CRfcommSAP& aSAP); |
|
213 virtual void LinkDown(CRfcommSAP& aSAP); |
|
214 virtual void SABM(CRfcommSAP& aSAP, CRfcommMuxer& aMux, TUint8 aDLCI); // SABM for listening SAP |
|
215 virtual void DISC(CRfcommSAP& aSAP); |
|
216 virtual void UA(CRfcommSAP& aSAP); |
|
217 virtual void DM(CRfcommSAP& aSAP); |
|
218 virtual void RPN(CRfcommSAP& aSAP, const TRfcommRPNTransaction& aRPNTransaction, CRfcommMuxer& aMux, TUint8 aDLCI); |
|
219 virtual void RPNRsp(CRfcommSAP& aSAP, const TRfcommRPNTransaction& aRPNTransaction); |
|
220 virtual void PN(CRfcommSAP& aSAP, TRfcommPortParams& aParams, CRfcommMuxer& aMux, TUint8 aDLCI); |
|
221 |
|
222 virtual void PNResp(CRfcommSAP& aSAP, TRfcommPortParams& aParams); |
|
223 virtual void MSC(CRfcommSAP& aSAP, TUint8 aSignals); |
|
224 virtual void RLS(CRfcommSAP& aSAP, TUint8 aStatus); |
|
225 virtual void NewData(CRfcommSAP& aSAP, const TDesC8& aData); |
|
226 virtual void NotifyNewDataCallback(CRfcommSAP& aSAP); |
|
227 virtual void CanSend(CRfcommSAP& aSAP); |
|
228 virtual void IoctlComplete(CRfcommSAP& aSAP, TInt aErr, TUint aLevel,TUint aName, TDesC8* aBuf); |
|
229 virtual void AccessRequestComplete(CRfcommSAP& aSAP, TInt aResult); |
|
230 virtual void Error(CRfcommSAP& aSAP, TInt aErr, CRfcommSAP::TErrorTypes aType); |
|
231 |
|
232 // Notification for cloned SAPs waiting for connection. |
|
233 virtual void ParentClosed(CRfcommSAP& aSAP); |
|
234 |
|
235 // Notifications from sent frames waiting for a response. |
|
236 virtual TBool HandleFrameResponseTimeout(CRfcommSAP& aSAP); |
|
237 //TRY_CBFC |
|
238 virtual TUint8 FreeCredit(CRfcommSAP& aSAP); |
|
239 virtual TInt ProxyForRemoteCredit(const CRfcommSAP& aSAP) const; |
|
240 virtual void SetProxyForRemoteCredit(CRfcommSAP& aSAP, TInt aCredit); |
|
241 virtual void ProxyForRemoteCreditDecrement(CRfcommSAP& aSAP); |
|
242 virtual void ProxyForRemoteCreditAddCredit(CRfcommSAP& aSAP, TUint8 aCredit); |
|
243 virtual TInt LocalCredit(const CRfcommSAP& aSAP) const; |
|
244 virtual void SetInitialLocalCredit(CRfcommSAP& aSAP, TInt aCredit); |
|
245 virtual void LocalCreditDecrement(CRfcommSAP& aSAP); |
|
246 virtual void LocalCreditAddCredit(CRfcommSAP& aSAP, TUint8 aCredit); |
|
247 |
|
248 protected: |
|
249 |
|
250 }; |
|
251 |
|
252 /** |
|
253 The error state. |
|
254 |
|
255 All operations are errors, and cause error signals to be sent to |
|
256 the SAP. |
|
257 |
|
258 Private |
|
259 **/ |
|
260 NONSHARABLE_CLASS(TRfcommStateError) : public TRfcommStateDefault |
|
261 { |
|
262 public: |
|
263 TRfcommStateError(CRfcommStateFactory& aFactory); |
|
264 virtual void Enter(CRfcommSAP& aSAP); |
|
265 // State changes initiated by the SAP |
|
266 virtual void ActiveOpen(CRfcommSAP& aSAP); |
|
267 virtual TInt PassiveOpen(CRfcommSAP& aSAP, TUint /*aQueSize*/); |
|
268 virtual void Shutdown(CRfcommSAP& aSAP); |
|
269 virtual void FastShutdown(CRfcommSAP& aSAP); |
|
270 virtual TInt Send(CRfcommSAP& aSAP, const TDesC8&); |
|
271 virtual void Read(CRfcommSAP& aSAP, TDesC8&); |
|
272 virtual void Ioctl(CRfcommSAP& aSAP, TUint, TUint, TDes8*); |
|
273 virtual void CancelIoctl(CRfcommSAP& aSAP, TUint, TUint); |
|
274 virtual void Start(CRfcommSAP& aSAP); |
|
275 }; |
|
276 |
|
277 // |
|
278 // The interesting states start here |
|
279 // |
|
280 |
|
281 /** |
|
282 Closed - the initial state. |
|
283 |
|
284 This state is the initial state of the SAP, as well as the end |
|
285 state when a connection is disconnected. A SAP in this state |
|
286 cannot be assumed to have valid remote or local addresses in |
|
287 place. |
|
288 |
|
289 The invariant on this state is that it will not have a muxer. |
|
290 |
|
291 Private |
|
292 **/ |
|
293 NONSHARABLE_CLASS(TRfcommStateClosed) : public TRfcommStateDefault |
|
294 { |
|
295 public: |
|
296 TRfcommStateClosed(CRfcommStateFactory& aFactory); |
|
297 virtual void Enter(CRfcommSAP& aSAP); |
|
298 // State changes initiated by the SAP |
|
299 void ActiveOpen(CRfcommSAP& aSAP); |
|
300 TInt PassiveOpen(CRfcommSAP& aSAP, TUint aQueSize); |
|
301 void Shutdown(CRfcommSAP& aSAP); |
|
302 void Error(CRfcommSAP& aSAP, TInt aErr, |
|
303 CRfcommSAP::TErrorTypes aType); |
|
304 void Start(CRfcommSAP& aSAP); |
|
305 TInt SetOption(CRfcommSAP& aSAP, TUint aLevel, TUint aName, const TDesC8 &aOption); |
|
306 }; |
|
307 |
|
308 /** |
|
309 A superstate class that provides default behaviours for connecting states. |
|
310 |
|
311 Connecting states are the states between closed and open when the |
|
312 local side is doing an active open. |
|
313 |
|
314 Private |
|
315 **/ |
|
316 NONSHARABLE_CLASS(TRfcommStateConnecting) : public TRfcommStateDefault |
|
317 { |
|
318 public: |
|
319 TRfcommStateConnecting(CRfcommStateFactory& aFactory); |
|
320 |
|
321 // State changes initiated by the SAP. Default is to Panic. |
|
322 virtual void Shutdown(CRfcommSAP& aSAP); |
|
323 virtual void FastShutdown(CRfcommSAP& aSAP); |
|
324 |
|
325 virtual void DM(CRfcommSAP& aSAP); |
|
326 |
|
327 virtual void LinkDown(CRfcommSAP& aSAP); |
|
328 protected: |
|
329 // Used to issue appropriate notifications to SAP when |
|
330 // connection fails (CanClose or SignalError) |
|
331 virtual void FailureWhileConnecting(CRfcommSAP& aSAP, TInt aErrorCode); |
|
332 }; |
|
333 |
|
334 /** |
|
335 Waiting for the muxer. |
|
336 |
|
337 When the protocol is asked to find the muxer for a SAP, it will |
|
338 either find an existing one or bring up a link, create a muxer and |
|
339 then use the new one. Either way, eventually the MuxUp event will |
|
340 be generated. |
|
341 Once the Mux is up, we then need to send a SABM command. |
|
342 Note that a LinkDown event can occur in this state. |
|
343 |
|
344 Private |
|
345 **/ |
|
346 NONSHARABLE_CLASS(TRfcommStateWaitForMux) : public TRfcommStateConnecting |
|
347 { |
|
348 public: |
|
349 TRfcommStateWaitForMux(CRfcommStateFactory& aFactory); |
|
350 void Enter(CRfcommSAP& aSAP); |
|
351 void Shutdown(CRfcommSAP& aSAP); |
|
352 void SABM(CRfcommSAP& aSAP, CRfcommMuxer& aMux, TUint8 aDLCI); |
|
353 void UA(CRfcommSAP& aSAP); |
|
354 void DISC(CRfcommSAP& aSAP); |
|
355 void DM(CRfcommSAP& aSAP); |
|
356 // mux channel commands |
|
357 // Remote parameter negotiation |
|
358 void RPN(CRfcommSAP& aSAP, const TRfcommRPNTransaction& aRPNTransaction, CRfcommMuxer& aMux, TUint8 aDLCI); |
|
359 void RPNRsp(CRfcommSAP& aSAP, const TRfcommRPNTransaction& aRPNTransaction); |
|
360 // Parameter negotiation |
|
361 void PN(CRfcommSAP& aSAP, TRfcommPortParams& aParams, CRfcommMuxer& aMux, TUint8 aDLCI); |
|
362 void PNResp(CRfcommSAP& aSAP, TRfcommPortParams& aParams); |
|
363 void MSC(CRfcommSAP& aSAP, TUint8 aSignals);// Modem status command |
|
364 void RLS(CRfcommSAP& aSAP, TUint8 aStatus); // Remote line status |
|
365 // data |
|
366 void NewData(CRfcommSAP& aSAP, const TDesC8& aData); |
|
367 |
|
368 // State change from the Mux |
|
369 void MuxUp(CRfcommSAP& aSAP); |
|
370 }; |
|
371 |
|
372 /** |
|
373 Waiting for Parameter Negotiation response. |
|
374 |
|
375 On successful response, we contine with the connection. On unsuccessful |
|
376 response, we signal a socket error and return to the Closed state. |
|
377 |
|
378 Private |
|
379 **/ |
|
380 NONSHARABLE_CLASS(TRfcommStateWaitForPNResp) : public TRfcommStateConnecting |
|
381 { |
|
382 public: |
|
383 TRfcommStateWaitForPNResp(CRfcommStateFactory& aFactory); |
|
384 void Enter(CRfcommSAP& aSAP); |
|
385 // State change from the Mux |
|
386 void PNResp(CRfcommSAP& aSAP, TRfcommPortParams& aParams); |
|
387 }; |
|
388 |
|
389 |
|
390 /** |
|
391 Wait For UA state (subclass of Connecting state). |
|
392 |
|
393 State in which we are waiting for a reponse to our SABM command. |
|
394 |
|
395 On successful connect we send an MSC (modem status command) and |
|
396 enter the open state. |
|
397 |
|
398 Private |
|
399 **/ |
|
400 NONSHARABLE_CLASS(TRfcommStateWaitForUA) : public TRfcommStateConnecting |
|
401 { |
|
402 public: |
|
403 TRfcommStateWaitForUA(CRfcommStateFactory& aFactory); |
|
404 // mux events |
|
405 void UA(CRfcommSAP& aSAP); |
|
406 |
|
407 // Notifications from sent frames waiting for a response. |
|
408 TBool HandleFrameResponseTimeout(CRfcommSAP& aSAP); |
|
409 }; |
|
410 |
|
411 |
|
412 /** |
|
413 Waiting for the outgoing security check to complete. |
|
414 |
|
415 This is the state while we wait for the SecMan to give a go/no-go |
|
416 on this connection. |
|
417 **/ |
|
418 NONSHARABLE_CLASS(TRfcommStateOutgoingSecurityCheck) : public TRfcommStateConnecting |
|
419 { |
|
420 public: |
|
421 TRfcommStateOutgoingSecurityCheck(CRfcommStateFactory& aFactory); |
|
422 // mux events |
|
423 void Enter(CRfcommSAP& aSAP); |
|
424 |
|
425 void AccessRequestComplete(CRfcommSAP& aSAP, TInt aResult); |
|
426 void Exit(CRfcommSAP& aSAP); |
|
427 }; |
|
428 |
|
429 |
|
430 /** |
|
431 Listening State |
|
432 |
|
433 State that the SAP enters following a PassiveOpen. |
|
434 |
|
435 Private |
|
436 **/ |
|
437 |
|
438 NONSHARABLE_CLASS(TRfcommStateListening) : public TRfcommStateDefault |
|
439 { |
|
440 public: |
|
441 TRfcommStateListening(CRfcommStateFactory& aFactory); |
|
442 void Enter(CRfcommSAP& aSAP); |
|
443 void Exit(CRfcommSAP& aSAP); |
|
444 void SABM(CRfcommSAP& aSAP, CRfcommMuxer& aMux, TUint8 aDLCI); |
|
445 void PN(CRfcommSAP& aSAP, TRfcommPortParams& aParams, CRfcommMuxer& aMux, TUint8 aDLCI); |
|
446 void RPN(CRfcommSAP& aSAP, const TRfcommRPNTransaction& aRPNTransaction, CRfcommMuxer& aMux, TUint8 aDLCI); |
|
447 void Shutdown(CRfcommSAP& aSAP); |
|
448 void FastShutdown(CRfcommSAP& aSAP); |
|
449 TInt SetOption(CRfcommSAP& aSAP, TUint aLevel, TUint aName, const TDesC8 &aOption); |
|
450 private: |
|
451 CRfcommSAP* AttemptToClone(CRfcommSAP& aSAP, CRfcommMuxer& aMux, TUint8 aDLCI); |
|
452 }; |
|
453 |
|
454 /** |
|
455 Base state for cloned saps before they are taken over by ESOCK. |
|
456 |
|
457 This base state handles a bunch of the error handling for the |
|
458 derived states. |
|
459 **/ |
|
460 |
|
461 NONSHARABLE_CLASS(TRfcommStateCloned) : public TRfcommStateDefault |
|
462 { |
|
463 public: |
|
464 TRfcommStateCloned(CRfcommStateFactory& aFactory); |
|
465 void LinkDown(CRfcommSAP& aSAP); |
|
466 void Error(CRfcommSAP& aSAP, TInt aErr, |
|
467 CRfcommSAP::TErrorTypes aType); |
|
468 void DISC(CRfcommSAP& aSAP); |
|
469 void DM(CRfcommSAP& aSAP); |
|
470 }; |
|
471 |
|
472 /** |
|
473 The Wait For SABM state. |
|
474 |
|
475 The state that cloned SAPs start off in before receiving |
|
476 a PN or SABM. |
|
477 |
|
478 Private |
|
479 **/ |
|
480 NONSHARABLE_CLASS(TRfcommStateWaitForSABM) : public TRfcommStateCloned |
|
481 { |
|
482 public: |
|
483 TRfcommStateWaitForSABM(CRfcommStateFactory& aFactory); |
|
484 void SABM(CRfcommSAP& aSAP, CRfcommMuxer& aMux, TUint8 aDLCI); |
|
485 void RPN(CRfcommSAP& aSAP, const TRfcommRPNTransaction& aRPNTransaction, |
|
486 CRfcommMuxer& aMux, TUint8 aDLCI); |
|
487 void PN(CRfcommSAP& aSAP, TRfcommPortParams& aParams, CRfcommMuxer& aMux, TUint8 aDLCI); |
|
488 void MuxUp(CRfcommSAP& aSAP); |
|
489 }; |
|
490 |
|
491 /** |
|
492 Waiting for the incoming security check to complete. |
|
493 |
|
494 This is the state while we wait for the SecMan to give a go/no-go |
|
495 on this connection. We will respond to SABM with a DM if the |
|
496 answer is no. |
|
497 **/ |
|
498 NONSHARABLE_CLASS(TRfcommStateIncomingSecurityCheck) : public TRfcommStateCloned |
|
499 { |
|
500 public: |
|
501 TRfcommStateIncomingSecurityCheck(CRfcommStateFactory& aFactory); |
|
502 void Enter(CRfcommSAP& aSAP); |
|
503 void AccessRequestComplete(CRfcommSAP& aSAP, TInt aResult); |
|
504 void Exit(CRfcommSAP& aSAP); |
|
505 }; |
|
506 |
|
507 /** |
|
508 The Wait For Start state. |
|
509 |
|
510 The state that cloned SAPs arrive in after receiving a SABM |
|
511 |
|
512 Private |
|
513 **/ |
|
514 NONSHARABLE_CLASS(TRfcommStateWaitForStart) : public TRfcommStateDefault |
|
515 { |
|
516 public: |
|
517 TRfcommStateWaitForStart(CRfcommStateFactory& aFactory); |
|
518 void Enter(CRfcommSAP& aSAP); |
|
519 void Start(CRfcommSAP& aSAP); |
|
520 void DISC(CRfcommSAP& aSAP); |
|
521 void Error(CRfcommSAP& aSAP, TInt aErr, |
|
522 CRfcommSAP::TErrorTypes aType); |
|
523 }; |
|
524 |
|
525 /** |
|
526 The Close On Start state |
|
527 |
|
528 State arrived at when a disconnect is sent to a SAP which is |
|
529 waiting for a Start. A SAP in this state will disconnect |
|
530 immediately that a Start is called on it. |
|
531 |
|
532 Private |
|
533 **/ |
|
534 NONSHARABLE_CLASS(TRfcommStateCloseOnStart) : public TRfcommStateDefault |
|
535 { |
|
536 public: |
|
537 TRfcommStateCloseOnStart(CRfcommStateFactory& aFactory); |
|
538 void Start(CRfcommSAP& aSAP); |
|
539 void Error(CRfcommSAP& aSAP, TInt aErr, |
|
540 CRfcommSAP::TErrorTypes aType); |
|
541 }; |
|
542 |
|
543 /** |
|
544 The open state. |
|
545 |
|
546 The channel is connected and the data can now flow. |
|
547 |
|
548 Private |
|
549 **/ |
|
550 |
|
551 NONSHARABLE_CLASS(TRfcommStateOpen) : public TRfcommStateDefault |
|
552 { |
|
553 public: |
|
554 TRfcommStateOpen(CRfcommStateFactory& aFactory); |
|
555 |
|
556 void Enter(CRfcommSAP& aSAP); |
|
557 void PerformDataAwareStateChange(CRfcommSAP& aSAP); |
|
558 // From ESOCK |
|
559 void Exit(CRfcommSAP& aSAP); |
|
560 void Shutdown(CRfcommSAP& aSAP); |
|
561 void FastShutdown(CRfcommSAP& aSAP); |
|
562 TInt Send(CRfcommSAP& aSAP, const TDesC8& aData); |
|
563 void Read(CRfcommSAP& aSAP, TDesC8& aData); |
|
564 void Ioctl(CRfcommSAP& aSAP,TUint aLevel,TUint aName,TDes8* aOption); |
|
565 |
|
566 // From mux |
|
567 void NewData(CRfcommSAP& aSAP, const TDesC8& aData); |
|
568 void NotifyNewDataCallback(CRfcommSAP& aSAP); |
|
569 void CanSend(CRfcommSAP& aSAP); |
|
570 void IoctlComplete(CRfcommSAP& aSAP, TInt aErr, TUint aLevel,TUint aName, TDesC8* aBuf); |
|
571 void MSC(CRfcommSAP& aSAP, TUint8 aSignals); |
|
572 void RPN(CRfcommSAP& aSAP, const TRfcommRPNTransaction& aRPNTransaction, CRfcommMuxer& aMux, TUint8 aDLCI); |
|
573 void RPNRsp(CRfcommSAP& aSAP, const TRfcommRPNTransaction& aRPNTransaction); |
|
574 void PN(CRfcommSAP& aSAP, TRfcommPortParams& aParams, CRfcommMuxer& aMux, TUint8 aDLCI); |
|
575 void RLS(CRfcommSAP& aSAP, TUint8 /*aStatus*/); |
|
576 void DISC(CRfcommSAP& aSAP); |
|
577 void DM(CRfcommSAP& aSAP); |
|
578 void LinkDown(CRfcommSAP& aSAP); |
|
579 TInt SetOption(CRfcommSAP &aSAP, TUint aLevel, TUint aName, const TDesC8& aOption); |
|
580 //TRY_CBFC |
|
581 TUint8 FreeCredit(CRfcommSAP& aSAP); |
|
582 |
|
583 virtual TInt ProxyForRemoteCredit(const CRfcommSAP& aSAP) const; |
|
584 #ifndef __GCC32__ |
|
585 using TRfcommStateDefault::ProxyForRemoteCredit; //unhide other overloads; |
|
586 #endif |
|
587 virtual TInt LocalCredit(const CRfcommSAP& aSAP) const; |
|
588 #ifndef __GCC32__ |
|
589 using TRfcommStateDefault::LocalCredit; //unhide other overloads; |
|
590 #endif |
|
591 }; |
|
592 |
|
593 /** |
|
594 The disconnect state. |
|
595 |
|
596 This is for a SAP on its way to being shutdown. |
|
597 |
|
598 Private |
|
599 **/ |
|
600 |
|
601 |
|
602 NONSHARABLE_CLASS(TRfcommStateDisconnect) : public TRfcommStateDefault |
|
603 { |
|
604 public: |
|
605 TRfcommStateDisconnect(CRfcommStateFactory& aFactory); |
|
606 |
|
607 void Enter(CRfcommSAP& aSAP); |
|
608 void DISC(CRfcommSAP& aSAP); |
|
609 void UA(CRfcommSAP& aSAP); |
|
610 void DM(CRfcommSAP& aSAP); |
|
611 void LinkDown(CRfcommSAP& aSAP); |
|
612 private: |
|
613 // Code common to UA, DM and DISC |
|
614 void DisconnectComplete(CRfcommSAP& aSAP); |
|
615 }; |
|
616 |
|
617 /** |
|
618 Disconnecting state. |
|
619 |
|
620 Here the remote end has shut down the DLCI, but we have still got |
|
621 data to send up to the socket. We wait for the data to drain |
|
622 before calling Disconnect(). If the client tries to write, we |
|
623 immediately signal Disconnect() as we are no longer able to write. |
|
624 After Disconnect() we move to state closed. |
|
625 |
|
626 In this state we are not associated with a mux, as we no longer |
|
627 want events from the link. |
|
628 |
|
629 Private |
|
630 **/ |
|
631 NONSHARABLE_CLASS(TRfcommStateDisconnecting) : public TRfcommStateDefault |
|
632 { |
|
633 public: |
|
634 TRfcommStateDisconnecting(CRfcommStateFactory& aFactory); |
|
635 |
|
636 void Enter(CRfcommSAP& aSAP); |
|
637 void Shutdown(CRfcommSAP& aSAP); |
|
638 void FastShutdown(CRfcommSAP& aSAP); |
|
639 TInt Send(CRfcommSAP& aSAP, const TDesC8& aData); |
|
640 void Read(CRfcommSAP& aSAP, TDesC8& aData); |
|
641 void Ioctl(CRfcommSAP& aSAP,TUint aLevel,TUint aName,TDes8* aOption); |
|
642 void NotifyNewDataCallback(CRfcommSAP& aSAP); |
|
643 |
|
644 private: |
|
645 }; |
|
646 |
|
647 |
|
648 #include "rfcommstates.inl" |
|
649 #endif |
|
650 |