1 // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // Implements the active object that controls the Read() requests. |
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15 // |
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16 // |
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17 |
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18 /** |
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19 @file |
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20 */ |
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21 |
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22 #include "Receiver.h" |
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23 #include "Constants.h" |
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24 |
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25 |
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26 CReceiver::CReceiver(CBcaIoController& aObserver, CBttLogger* aTheLogger) |
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27 /** |
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28 * Constructor. Performs standard active object initialisation. |
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29 * |
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30 * @param aObserver Reference to the observer of this state machine |
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31 * @param aTheLogger The logging object |
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32 */ |
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33 : CActive(EPriorityNormal), |
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34 iObserver(aObserver), |
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35 iTheLogger(aTheLogger) |
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36 { |
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37 CActiveScheduler::Add(this); |
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38 } |
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39 |
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40 CReceiver::~CReceiver() |
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41 /** |
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42 * Destructor. |
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43 */ |
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44 { |
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45 Cancel(); |
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46 } |
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47 |
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48 void CReceiver::RunL() |
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49 /** |
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50 * Method called when read request completes. This will only be once the BCA has a full IP |
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51 * packet in its buffer. |
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52 */ |
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53 { |
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54 _LOG_L1C2(_L8("CReceiver::RunL [iStatus=%d]"), iStatus.Int()); |
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55 |
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56 if (iStatus!=KErrNone) |
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57 { |
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58 if(iStatus == KErrNoMemory) |
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59 { |
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60 _LOG_L2C1( |
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61 _L8("WARNING! CReceiver: Read failed with KErrNoMemory")); |
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62 // Read operation failed!! Nif will re-issue the read request. |
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63 StartListening(); |
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64 } |
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65 else |
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66 { |
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67 _LOG_L2C1(_L8("WARNING! CReceiver: Read failed")); |
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68 iObserver.Stop(iStatus.Int()); |
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69 } |
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70 return; |
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71 } |
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72 |
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73 _LOG_L1C1(_L8("CReceiver: Data Packet Received")); |
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74 |
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75 // Process Ip packet |
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76 iObserver.Process(iData); |
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77 |
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78 // The packet received was processed. NIF can start listening |
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79 // for another one. |
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80 StartListening(); |
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81 |
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82 } |
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83 |
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84 void CReceiver::DoCancel() |
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85 /** |
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86 * Cancel active request |
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87 */ |
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88 { |
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89 _LOG_L1C1(_L8("CReceiver::DoCancel")); |
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90 |
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91 (iObserver.Bca())->CancelRead(); |
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92 } |
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93 |
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94 void CReceiver::StartListening() |
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95 /** |
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96 * This method issues a Read request. This is the API used to receive |
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97 * packets from BCA. |
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98 */ |
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99 { |
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100 _LOG_L1C1(_L8("CReceiver::StartListening")); |
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101 |
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102 // The BCA will complete this read once it has a full IP packet in its buffer. |
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103 (iObserver.Bca())->Read(iStatus, iData); |
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104 |
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105 SetActive(); |
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106 } |
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