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1 // Copyright (c) 2007-2010 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 // Interface class for the TraceCoreOstLdd component. |
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15 // |
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16 |
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17 #ifndef __TraceCoreOstLddIf_H__ |
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18 #define __TraceCoreOstLddIf_H__ |
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19 |
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20 |
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21 // Include files |
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22 #include <kernel/kernel.h> |
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23 #include "TraceCoreMediaIf.h" |
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24 #include "TraceCoreOstConnectionIf.h" |
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25 |
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26 /** |
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27 * ETraceCoreOstLddIfGetSet function to choosed in DTraceCoreOstLddI::GetSet. |
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28 */ |
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29 enum TTraceCoreOstLddIfGetSet |
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30 { |
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31 EGetDfc = 0, // Return type TDfc* |
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32 EGetBuf = 1, // Return type TDes8* |
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33 ESetWriter = 2, // Return type 0 |
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34 ERegister // Return type 0 |
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35 }; |
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36 |
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37 /** |
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38 * Interface class for XTI |
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39 */ |
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40 class DTraceCoreOstLddIf : public DTraceCoreMediaIf |
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41 { |
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42 public: |
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43 |
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44 /** |
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45 * Constructor |
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46 */ |
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47 DTraceCoreOstLddIf(); |
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48 |
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49 /** |
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50 * Destructor |
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51 */ |
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52 ~DTraceCoreOstLddIf(); |
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53 |
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54 /** |
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55 * Initializes this interface |
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56 * |
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57 * @param aCallback Callback interface which is notified when a message is received from the XTI driver |
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58 */ |
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59 TInt Init( MTraceCoreMediaIfCallback& aCallback ); |
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60 |
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61 /** |
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62 * Sends a message |
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63 * |
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64 * @param aMessage The message to be sent |
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65 */ |
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66 TInt Send( TTraceMessage &aMessage ); |
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67 |
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68 /** |
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69 * |
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70 * @param aFunc Function choosed (@see ETraceCoreOstLddIfGetSet) |
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71 * @return TDfc* if aFunc is EGetDfc, TDes8* EGetBuf and 0 with ESetWriter. |
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72 */ |
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73 IMPORT_C static TUint32 GetSet(TTraceCoreOstLddIfGetSet aFunc, TUint32 aParam); |
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74 |
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75 private: |
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76 |
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77 /** |
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78 * DFC function for incoming data from XTI driver |
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79 */ |
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80 static void ReceiveDfc( TAny* aPtr ); |
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81 |
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82 /** |
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83 * Called from the static DFC function to process incoming data |
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84 */ |
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85 void ReceiveDfc(); |
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86 |
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87 /** |
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88 * Forwards incoming message to callback |
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89 */ |
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90 void NotifyCallback(); |
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91 |
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92 /** |
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93 * Sends message to XTI |
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94 * |
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95 * @param aMsg Message to be sent. |
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96 * @return KErrNone if send successful |
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97 */ |
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98 void SendData( TTraceMessage& aMsg ); |
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99 |
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100 /** |
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101 * Similar to send, except does not generate traces, since they would loop back to this function |
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102 * |
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103 * @param aMsg Message to be sent. |
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104 * @return KErrNone if send successful |
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105 */ |
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106 TInt SendTrace( const TDesC8& aMsg ); |
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107 |
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108 private: |
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109 |
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110 /** |
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111 * DFC which is used for incoming ISI-messages |
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112 */ |
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113 TDfc iReceiveDfc; |
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114 |
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115 /** |
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116 * ISA Kernel IF Initialisation status |
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117 */ |
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118 TInt iStatus; |
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119 |
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120 /** |
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121 * Length variable for ISA Kernel interface usage |
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122 */ |
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123 TUint16 iNeededLength; |
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124 |
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125 TBool iTraceCoreOstConnectionRegistered; |
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126 |
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127 /** |
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128 * Buffer for sending data |
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129 **/ |
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130 TBuf8< 8204 > iSendBuffer; |
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131 |
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132 /** |
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133 * Buffer for incoming data |
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134 **/ |
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135 TBuf8< 8204 > iReceiveBuffer; |
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136 |
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137 /** |
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138 * Pointer to TraceCoreOstConnectionIf |
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139 **/ |
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140 MTraceCoreOstConnectionIf *iTraceCoreOstConnection; |
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141 |
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142 }; |
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143 |
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144 #endif // __TraceCoreOstLddIf_H__ |
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145 |
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146 // End of File |