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1 // Copyright (c) 2004-2009 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 // |
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15 |
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16 |
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17 |
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18 // INCLUDE FILES |
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19 #include <e32std.h> |
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20 #include <es_sock.h> |
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21 #include "BTGPSMessageSender.h" |
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22 #include "BTGPSDeviceManager.h" |
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23 #include "BTGPSConstantsManager.h" |
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24 #include "BTGPSRequestHandler.h" |
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25 #include "BTGPSLogging.h" |
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26 |
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27 // EXTERNAL DATA STRUCTURES |
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28 |
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29 // EXTERNAL FUNCTION PROTOTYPES |
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30 |
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31 // CONSTANTS |
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32 |
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33 // Granularity |
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34 const TInt KBTGPSArrayGranularity = 3; |
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35 |
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36 // MACROS |
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37 |
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38 // LOCAL CONSTANTS AND MACROS |
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39 |
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40 // MODULE DATA STRUCTURES |
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41 |
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42 // LOCAL FUNCTION PROTOTYPES |
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43 |
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44 // FORWARD DECLARATIONS |
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45 |
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46 // ============================= LOCAL FUNCTIONS =============================== |
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47 |
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48 // ============================ MEMBER FUNCTIONS =============================== |
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49 |
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50 |
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51 // ----------------------------------------------------------------------------- |
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52 // CBTGPSMessageSender::NewL |
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53 // ----------------------------------------------------------------------------- |
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54 CBTGPSMessageSender* CBTGPSMessageSender::NewL( |
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55 RSocket& aSocket, |
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56 CBTGPSDeviceManager& aDeviceManager) |
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57 { |
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58 CBTGPSMessageSender* self = new (ELeave) CBTGPSMessageSender( |
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59 aSocket, |
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60 aDeviceManager); |
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61 CleanupStack::PushL(self); |
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62 self->ConstructL(); |
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63 CleanupStack::Pop(); |
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64 return self; |
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65 } |
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66 |
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67 // ----------------------------------------------------------------------------- |
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68 // CBTGPSMessageSender::~CBTGPSMessageSender |
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69 // ----------------------------------------------------------------------------- |
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70 CBTGPSMessageSender::~CBTGPSMessageSender() |
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71 { |
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72 Cancel(); |
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73 if(iTimer!=NULL) |
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74 { |
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75 iTimer->Cancel(); |
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76 delete iTimer; |
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77 } |
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78 delete iBuffer; |
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79 } |
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80 |
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81 // ----------------------------------------------------------------------------- |
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82 // CBTGPSMessageSender::ConstructL |
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83 // ----------------------------------------------------------------------------- |
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84 void CBTGPSMessageSender::ConstructL() |
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85 { |
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86 iBuffer = new (ELeave) CDesC8ArrayFlat(KBTGPSArrayGranularity); |
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87 iTimer = CPeriodic::NewL(CActive::EPriorityStandard); |
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88 } |
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89 |
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90 // ----------------------------------------------------------------------------- |
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91 // CBTGPSMessageSender::CBTGPSMessageSender |
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92 // C++ default constructor can NOT contain any code, that |
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93 // might leave. |
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94 // ----------------------------------------------------------------------------- |
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95 CBTGPSMessageSender::CBTGPSMessageSender( |
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96 RSocket& aSocket, |
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97 CBTGPSDeviceManager& aDeviceManager) |
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98 : CActive(EPriorityNormal), |
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99 iSocket(aSocket), |
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100 iDeviceManager(aDeviceManager) |
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101 { |
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102 CActiveScheduler::Add(this); |
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103 } |
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104 |
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105 // ----------------------------------------------------------------------------- |
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106 // CBTGPSMessageSender::SendL |
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107 // ----------------------------------------------------------------------------- |
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108 void CBTGPSMessageSender::SendL(const TDesC8& aMsg) |
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109 { |
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110 //if device is not connected then fail the sending |
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111 if(iDeviceManager.DeviceConnectStatus() != EBTDeviceConnected) |
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112 { |
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113 User::Leave(KErrDisconnected); |
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114 } |
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115 |
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116 if(IsActive() || iTimer->IsActive()) |
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117 { |
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118 //Add this message to buffer |
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119 iBuffer->AppendL(aMsg); |
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120 } |
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121 else |
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122 { |
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123 //Send this message |
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124 TRACESTRING("CBTGPSMessageSender::SendL sending") |
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125 TRACESTRING8(aMsg) |
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126 iSocket.Write(aMsg, iStatus); |
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127 SetActive(); |
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128 StartTimer(); |
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129 } |
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130 } |
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131 |
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132 // ----------------------------------------------------------------------------- |
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133 // CBTGPSMessageSender::StartTimer |
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134 // ----------------------------------------------------------------------------- |
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135 void CBTGPSMessageSender::StartTimer() |
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136 { |
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137 iTimer->Cancel(); |
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138 iTimer->Start( |
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139 CBTGPSRequestHandler::ConstantsManager().iSendDelay, |
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140 CBTGPSRequestHandler::ConstantsManager().iSendDelay, |
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141 TCallBack(TimerCallback, this)); |
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142 } |
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143 |
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144 // ----------------------------------------------------------------------------- |
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145 // CBTGPSMessageSender::TimerTick |
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146 // ----------------------------------------------------------------------------- |
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147 void CBTGPSMessageSender::TimerTick() |
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148 { |
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149 if(iBuffer->MdcaCount()!=0) |
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150 { |
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151 //check device connectivity |
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152 if(iDeviceManager.DeviceConnectStatus() != EBTDeviceConnected) |
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153 { |
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154 Cancel(); |
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155 } |
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156 else |
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157 { |
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158 //Buffer is not empty |
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159 if(!IsActive()) |
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160 { |
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161 TRACESTRING("CBTGPSMessageSender::TimerTick sending") |
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162 TRACESTRING8(iBuffer->MdcaPoint(0)) |
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163 iSocket.Write(iBuffer->MdcaPoint(0), iStatus); //Send the first one |
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164 SetActive(); |
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165 iBuffer->Delete(0); //Delete it from buffer |
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166 } |
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167 } |
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168 } |
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169 else |
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170 { |
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171 //Stop timer |
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172 iTimer->Cancel(); |
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173 } |
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174 } |
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175 |
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176 // ----------------------------------------------------------------------------- |
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177 // CBTGPSMessageSender::TimerCallback |
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178 // ----------------------------------------------------------------------------- |
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179 TInt CBTGPSMessageSender::TimerCallback(TAny* aAny) |
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180 { |
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181 reinterpret_cast<CBTGPSMessageSender*>(aAny)->TimerTick(); |
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182 return 1; //continue periodic timer |
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183 } |
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184 |
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185 // ----------------------------------------------------------------------------- |
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186 // CBTGPSMessageSender::RunL |
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187 // ----------------------------------------------------------------------------- |
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188 void CBTGPSMessageSender::RunL() |
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189 { |
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190 //error is ignored. do nothing |
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191 } |
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192 |
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193 // ----------------------------------------------------------------------------- |
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194 // CBTGPSMessageSender::DoCancel |
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195 // ----------------------------------------------------------------------------- |
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196 void CBTGPSMessageSender::DoCancel() |
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197 { |
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198 iSocket.CancelWrite(); |
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199 if(iBuffer!=NULL) |
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200 { |
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201 iBuffer->Reset(); |
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202 } |
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203 } |
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204 |
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205 // ----------------------------------------------------------------------------- |
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206 // CBTGPSMessageSender::RunError |
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207 // ----------------------------------------------------------------------------- |
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208 TInt CBTGPSMessageSender::RunError(TInt /*aError*/) |
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209 { |
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210 //should never be called |
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211 return KErrNone; |
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212 } |
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213 |
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214 // ----------------------------------------------------------------------------- |
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215 // CBTGPSMessageSender::BTDeviceStatusChanged |
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216 // ----------------------------------------------------------------------------- |
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217 void CBTGPSMessageSender::BTDeviceStatusChanged( |
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218 TInt aConnectStatus, |
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219 TInt /*aDeviceType*/, |
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220 TInt /*aErr*/) |
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221 { |
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222 if(aConnectStatus!=EBTDeviceConnected) |
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223 { |
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224 //reset buffer is device is not connected |
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225 Cancel(); |
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226 } |
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227 } |
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228 |
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229 // End of File |
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230 |
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231 |
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232 |