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1 /* |
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2 * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * System Includes |
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16 * |
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17 */ |
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18 |
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19 |
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20 |
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21 #include <stdio.h> |
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22 #include <assert.h> |
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23 |
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24 |
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25 /******************************************************************************* |
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26 * |
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27 * Local Includes |
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28 * |
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29 ******************************************************************************/ |
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30 #include "CDatalinkPacketise.h" |
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31 |
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32 |
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33 /******************************************************************************* |
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34 * |
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35 * Definitions |
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36 * |
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37 ******************************************************************************/ |
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38 |
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39 |
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40 /******************************************************************************* |
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41 * |
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42 * Constructor - init state vars |
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43 * |
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44 ******************************************************************************/ |
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45 CDatalinkPacketise::CDatalinkPacketise( TPhoneData *aPhoneData, CLog *aLog ) : iIncomingFrame("CDatalinkPacketise::IncomingFrame"), iOutgoingFrame("CDatalinkPacketise::OutgoingFrame") |
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46 { |
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47 // check params |
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48 assert( aPhoneData != NULL ); |
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49 assert( aLog != NULL ); |
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50 |
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51 // set state |
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52 iAirInterface = NULL; |
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53 iTEChannel = NULL; |
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54 iPhoneData = aPhoneData; |
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55 iLog = aLog; |
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56 } |
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57 |
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58 |
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59 CDatalinkPacketise::~CDatalinkPacketise() |
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60 { |
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61 } |
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62 |
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63 |
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64 /******************************************************************************* |
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65 * |
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66 * Access methods |
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67 * |
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68 ******************************************************************************/ |
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69 void CDatalinkPacketise::SetAirInterface( IAirInterface *aAirInterface ) |
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70 { |
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71 iAirInterface = aAirInterface; |
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72 } |
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73 |
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74 void CDatalinkPacketise::SetTEChannel( ITEChannel *aTEChannel ) |
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75 { |
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76 iTEChannel = aTEChannel; |
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77 } |
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78 |
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79 |
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80 /******************************************************************************* |
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81 * |
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82 * Process data from the TEChannel |
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83 * |
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84 ******************************************************************************/ |
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85 TDataPathError CDatalinkPacketise::ProcessTEData( char *data, int len, int *aErrCode ) |
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86 { |
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87 // int i; |
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88 int errcode; |
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89 // int frame_size; |
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90 // char *frame_pointer; |
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91 // TFrameError ferr; |
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92 // TFrameStatus fstatus; |
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93 TDataPathError derr = DPE_NONE; |
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94 |
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95 // check the params |
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96 assert( aErrCode != NULL ); |
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97 *aErrCode = 0; |
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98 |
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99 // check that there is an air interface - not an error if not |
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100 if( iAirInterface == NULL ) { |
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101 return DPE_NONE; |
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102 } |
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103 |
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104 // do not packetise the incoming interface |
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105 derr = iAirInterface->SendPacket( data, len, &errcode ); |
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106 if( derr != DPE_NONE ) { |
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107 iLog->WriteLogEntry( SV_WARNING, "CDatalinkPacketise::ProcessTEData", "SendPacket returned error", derr, errcode ); |
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108 } |
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109 return DPE_NONE; |
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110 |
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111 #if 0 |
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112 // process each byte |
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113 for( i = 0; i < len; i++ ) { |
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114 |
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115 // add the byte to the frame |
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116 ferr = iOutgoingFrame.AddByteToFrame( data[i] ); |
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117 |
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118 // if this overflows the buffer then we send whatever is in the frame and then add it again |
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119 if( ferr == FE_OVERFLOW ) { |
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120 frame_pointer = iOutgoingFrame.GetFrameBuffer( &frame_size ); |
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121 derr = iAirInterface->SendPacket( frame_pointer, frame_size, &errcode ); |
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122 if( derr != DPE_NONE ) { |
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123 iLog->WriteLogEntry( SV_WARNING, "CDatalinkPacketise::ProcessTEData", "SendPacket returned error", derr, errcode ); |
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124 } |
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125 ferr = iOutgoingFrame.ClearFrameMemoryButNotState(); |
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126 assert( ferr == FE_NONE ); |
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127 ferr = iOutgoingFrame.AddByteToFrame( data[i] ); |
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128 assert( ferr == FE_NONE ); |
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129 continue; |
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130 } |
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131 |
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132 // if the add was successful then check to see if the frame is complete and send it if it is |
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133 fstatus = iOutgoingFrame.GetFrameStatus(); |
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134 if( fstatus == FS_COMPLETE ) { |
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135 frame_pointer = iOutgoingFrame.GetFrameBuffer( &frame_size ); |
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136 derr = iAirInterface->SendPacket( frame_pointer, frame_size, &errcode ); |
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137 if( derr != DPE_NONE ) { |
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138 iLog->WriteLogEntry( SV_WARNING, "CDatalinkPacketise::ProcessTEData", "SendPacket returned error", derr, errcode ); |
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139 } |
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140 iOutgoingFrame.ClearFrame(); |
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141 } |
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142 } |
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143 #endif |
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144 // done |
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145 return DPE_NONE; |
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146 } |
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147 |
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148 |
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149 /******************************************************************************* |
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150 * |
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151 * Process data from the UU interface |
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152 * |
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153 ******************************************************************************/ |
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154 TDataPathError CDatalinkPacketise::ProcessUUData( char *data, int len, int *aErrCode ) |
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155 { |
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156 int i, errcode; |
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157 int frame_size; |
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158 char *frame_pointer; |
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159 TFrameError ferr; |
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160 TFrameStatus fstatus; |
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161 TDataPathError derr = DPE_NONE; |
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162 |
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163 // check the params |
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164 assert( aErrCode != NULL ); |
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165 *aErrCode = 0; |
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166 |
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167 // check that there is an air interface - it is not unexpected or problematic if the |
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168 // channel is not defined so this is not an error. |
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169 if( iTEChannel == NULL ) { |
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170 return DPE_NONE; |
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171 } |
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172 |
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173 // process each byte |
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174 for( i = 0; i < len; i++ ) { |
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175 |
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176 // add the byte to the frame |
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177 ferr = iIncomingFrame.AddByteToFrame( data[i] ); |
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178 |
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179 // if this overflows the buffer then we send whatever is in the frame and then add it again |
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180 if( ferr == FE_OVERFLOW ) { |
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181 frame_pointer = iIncomingFrame.GetFrameBuffer( &frame_size ); |
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182 derr = iTEChannel->SendPacket( frame_pointer, frame_size, &errcode ); |
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183 if( derr != DPE_NONE ) { |
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184 iLog->WriteLogEntry( SV_WARNING, "CDatalinkPacketise::ProcessTEData", "SendPacket returned error", derr, errcode ); |
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185 } |
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186 ferr = iIncomingFrame.ClearFrameMemoryButNotState(); |
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187 assert( ferr == FE_NONE ); |
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188 ferr = iIncomingFrame.AddByteToFrame( data[i] ); |
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189 assert( ferr == FE_NONE ); |
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190 continue; |
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191 } |
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192 |
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193 // get the frame status -- if the frame is complete then send it |
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194 fstatus = iIncomingFrame.GetFrameStatus(); |
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195 if( fstatus == FS_COMPLETE ) { |
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196 frame_pointer = iIncomingFrame.GetFrameBuffer( &frame_size ); |
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197 derr = iTEChannel->SendPacket( frame_pointer, frame_size, &errcode ); |
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198 if( derr != DPE_NONE ) { |
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199 iLog->WriteLogEntry( SV_WARNING, "CDatalinkPacketise::ProcessUUData", "SendPacket returned an error", derr, errcode ); |
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200 } |
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201 iIncomingFrame.ClearFrame(); |
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202 } |
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203 } |
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204 |
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205 // done |
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206 return DPE_NONE; |
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207 } |