21 |
21 |
22 #include "Receiver.h" |
22 #include "Receiver.h" |
23 #include "Constants.h" |
23 #include "Constants.h" |
24 #include <es_ini.h> |
24 #include <es_ini.h> |
25 |
25 |
26 CReceiver::CReceiver(CBcaIoController& aObserver, CBttLogger* aTheLogger, TInt aMaxPacketSise) |
26 const TUint KBufferIncreaseStep=500; |
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27 const TUint K64k=65535; |
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28 |
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29 CReceiver::CReceiver(CBcaIoController& aObserver, CBttLogger* aTheLogger, TUint aMaxPacketSize) |
27 /** |
30 /** |
28 * Constructor. Performs standard active object initialisation. |
31 * Constructor. Performs standard active object initialisation. |
29 * |
32 * |
30 * @param aObserver Reference to the observer of this state machine |
33 * @param aObserver Reference to the observer of this state machine |
31 * @param aTheLogger The logging object |
34 * @param aTheLogger The logging object |
32 */ |
35 */ |
33 : CActive(EPriorityHigh), |
36 : CActive(EPriorityHigh), |
34 iObserver(aObserver), |
37 iObserver(aObserver), |
35 iTheLogger(aTheLogger), |
38 iTheLogger(aTheLogger), |
36 iMaxPacketSise(aMaxPacketSise) |
39 iMaxPacketSize(aMaxPacketSize) |
37 { |
40 { |
38 CActiveScheduler::Add(this); |
41 CActiveScheduler::Add(this); |
39 } |
42 } |
40 |
43 |
41 CReceiver* CReceiver::NewL(CBcaIoController& aObserver, CBttLogger* aTheLogger, TInt aMaxPacketSise) |
44 CReceiver* CReceiver::NewL(CBcaIoController& aObserver, CBttLogger* aTheLogger, TUint aMaxPacketSize) |
42 /** |
45 /** |
43 * Two-phase constructor. Creates a new CBcaIoController object, performs |
46 * Two-phase constructor. Creates a new CBcaIoController object, performs |
44 * second-phase construction, then returns it. |
47 * second-phase construction, then returns it. |
45 * |
48 * |
46 * @param aObserver The observer, to which events will be reported |
49 * @param aObserver The observer, to which events will be reported |
47 * @param aTheLogger The logging object |
50 * @param aTheLogger The logging object |
48 * @return A newly constructed CBcaIoController object |
51 * @return A newly constructed CBcaIoController object |
49 */ |
52 */ |
50 { |
53 { |
51 CReceiver* self = new (ELeave) CReceiver(aObserver, aTheLogger, aMaxPacketSise); |
54 CReceiver* self = new (ELeave) CReceiver(aObserver, aTheLogger, aMaxPacketSize); |
52 CleanupStack::PushL(self); |
55 CleanupStack::PushL(self); |
53 self->ConstructL(); |
56 self->ConstructL(); |
54 CleanupStack::Pop(self); |
57 CleanupStack::Pop(self); |
55 return self; |
58 return self; |
56 } |
59 } |
84 if (iStatus != KErrNone) |
87 if (iStatus != KErrNone) |
85 { |
88 { |
86 if (iStatus == KErrNoMemory) |
89 if (iStatus == KErrNoMemory) |
87 { |
90 { |
88 _LOG_L2C1( |
91 _LOG_L2C1( |
89 _L8("WARNING! CReceiver: Read failed with KErrNoMemory")); |
92 _L8("WARNING! CReceiver: Read failed with KErrNoMemory. Increase buffer.")); |
90 // Read operation failed!! Nif will re-issue the read request. |
93 // Read operation failed!! Nif will re-issue the read request. Increase buffer. |
91 (iObserver.Bca())->Read(iStatus, iData); |
94 if ((iMaxPacketSize + KBufferIncreaseStep) > K64k) |
92 |
95 { |
93 SetActive(); |
96 // In theory IP packet can't be bigger than 64k, so if we come here something is wrong so stop observer. |
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97 iObserver.Stop(KErrNoMemory); |
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98 } |
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99 else |
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100 { |
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101 iMaxPacketSize += KBufferIncreaseStep; |
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102 TInt err = iData.ReAlloc(iMaxPacketSize); |
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103 if (KErrNoMemory == err) |
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104 { |
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105 iObserver.Stop(KErrNoMemory); |
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106 } |
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107 else |
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108 { |
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109 (iObserver.Bca())->Read(iStatus, iData); |
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110 SetActive(); |
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111 } |
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112 } |
94 } |
113 } |
95 else |
114 else |
96 { |
115 { |
97 _LOG_L2C1(_L8("WARNING! CReceiver: Read failed")); |
116 _LOG_L2C1(_L8("WARNING! CReceiver: Read failed")); |
98 iObserver.Stop(iStatus.Int()); |
117 iObserver.Stop(iStatus.Int()); |