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1 // Copyright (c) 2006-2009 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 // This file provides the implementation of the class for |
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15 // the Network Based Location protocol state handler |
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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 @file |
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21 @internalTechnology |
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22 @released |
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23 */ |
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24 |
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25 #include "cnetlocstatemachine.h" |
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26 #include "cnetlocstatehandler.h" |
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27 #include "lbsdevloggermacros.h" |
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28 |
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29 /** Static constructor. |
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30 @param aMachine A reference to the parent state machine. |
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31 @return A new instance of the CNetLocStateHandler class |
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32 */ |
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33 CNetLocStateHandler* CNetLocStateHandler::NewL(CStateMachineBase& aMachine) |
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34 { |
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35 CNetLocStateHandler* self = new (ELeave) CNetLocStateHandler(aMachine); |
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36 CleanupStack::PushL(self); |
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37 self->ConstructL(); |
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38 CleanupStack::Pop(self); |
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39 return self; |
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40 } |
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41 |
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42 |
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43 /** Standard constructor. |
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44 @param aMachine A reference to the parent state machine. |
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45 */ |
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46 CNetLocStateHandler::CNetLocStateHandler(CStateMachineBase& aMachine) |
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47 : CStateHandlerBase(aMachine) |
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48 { |
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49 } |
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50 |
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51 |
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52 /** Standard destructor. |
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53 */ |
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54 CNetLocStateHandler::~CNetLocStateHandler() |
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55 { |
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56 } |
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57 |
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58 |
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59 /** Private second-stage constructor. |
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60 */ |
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61 void CNetLocStateHandler::ConstructL() |
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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 /** Initialise state attributes |
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67 */ |
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68 void CNetLocStateHandler::Initialise() |
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69 { |
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70 } |
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71 |
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72 |
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73 /** Perform entry actions. |
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74 This is called from the state machine to perform any actions |
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75 associated with entering the current state. |
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76 */ |
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77 void CNetLocStateHandler::EntryActions() |
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78 { |
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79 CNetworkInterface::TNetworkError netError = CNetworkInterface::ENone; |
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80 |
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81 // Retrieve current state and act accordingly |
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82 CNetLocStateMachine& netlocMachine = reinterpret_cast <CNetLocStateMachine&> (iMachine); |
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83 switch(netlocMachine.CurrentState()) |
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84 { |
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85 |
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86 case CNetLocStateMachine::EStateNull: |
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87 break; |
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88 |
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89 case CNetLocStateMachine::EStateClientReqRecvd: |
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90 // No action required |
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91 break; |
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92 |
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93 case CNetLocStateMachine::EStateNetSessStarted: |
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94 // Forward Network Based Location request to network |
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95 netError = netlocMachine.Observer().Network()->MoLrReq(KNullDesC()); |
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96 // If this succeeded then start a timer for the anticipated response |
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97 if (CNetworkInterface::ENone == netError) |
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98 { |
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99 netlocMachine.StartNetLocReqTimer(); |
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100 } |
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101 break; |
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102 |
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103 case CNetLocStateMachine::EStateMeasureDataRecvd: |
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104 // No action required |
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105 break; |
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106 |
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107 case CNetLocStateMachine::EStateNetBasedLocSent: |
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108 // Send network location to gateway |
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109 netlocMachine.Observer().Gateway()->NetworkLocationInd( |
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110 netlocMachine.SessionId(), |
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111 netlocMachine.ReferenceLoc()); |
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112 break; |
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113 |
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114 case CNetLocStateMachine::EStateLocReqByNet: |
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115 // Send location request to gateway |
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116 netlocMachine.Observer().Gateway()->LocationReq( |
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117 netlocMachine.SessionId(), |
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118 EFalse, // this is NOT emergency related |
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119 netlocMachine.LocReqType(), |
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120 netlocMachine.LocReqQuality(), |
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121 netlocMachine.PosMethod()); |
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122 // Start a timer for the anticipated response |
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123 netlocMachine.StartLocRespTimer(); |
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124 break; |
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125 |
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126 case CNetLocStateMachine::EStateLocRespRecvd: |
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127 // No action required |
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128 break; |
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129 |
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130 case CNetLocStateMachine::EStateLocSentToNet: |
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131 // Forward location response to network - but not if an error was reported |
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132 if (KErrNone == netlocMachine.LocRespReason()) |
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133 { |
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134 netError = netlocMachine.Observer().Network()->LocationResp(netlocMachine.LocRespPosition()); |
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135 } |
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136 break; |
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137 |
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138 case CNetLocStateMachine::EStateClientSessToClose: |
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139 // No action required |
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140 break; |
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141 |
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142 case CNetLocStateMachine::EStateNetSessToClose: |
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143 // If we had received a location request, but an error was reported then |
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144 // forward this location error to the network |
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145 if (netlocMachine.IsLocReqReceived() && (KErrNone != netlocMachine.LocRespReason())) |
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146 { |
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147 netError = netlocMachine.Observer().Network()->LocationResp(netlocMachine.LocRespReason()); |
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148 } |
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149 break; |
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150 |
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151 case CNetLocStateMachine::EStateSessionsClosed: |
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152 // No action required |
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153 break; |
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154 |
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155 case CNetLocStateMachine::EStateCancelling: |
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156 // No action required |
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157 break; |
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158 |
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159 default: |
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160 User::Panic(KProtocolModulePanic, EProtocolModuleNetLocState); |
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161 break; |
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162 } |
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163 |
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164 // Handle any network-related error |
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165 if (CNetworkInterface::ENone != netError) |
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166 { |
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167 netlocMachine.Observer().NetworkErrorReported(); |
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168 } |
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169 |
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170 } |
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171 |
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172 |
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173 /** Perform exit actions. |
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174 This is called from the state machine to perform any actions |
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175 associated with exiting from the current state. |
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176 */ |
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177 void CNetLocStateHandler::ExitActions() |
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178 { |
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179 CNetworkInterface::TNetworkError netError = CNetworkInterface::ENone; |
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180 |
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181 // Retrieve current state and act accordingly |
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182 CNetLocStateMachine& netlocMachine = reinterpret_cast <CNetLocStateMachine&> (iMachine); |
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183 switch(netlocMachine.CurrentState()) |
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184 { |
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185 |
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186 case CNetLocStateMachine::EStateNull: |
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187 // no action required |
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188 break; |
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189 |
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190 case CNetLocStateMachine::EStateClientReqRecvd: |
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191 // no action required |
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192 break; |
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193 |
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194 case CNetLocStateMachine::EStateNetSessStarted: |
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195 // no action required |
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196 break; |
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197 |
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198 case CNetLocStateMachine::EStateMeasureDataRecvd: |
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199 // no action required |
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200 break; |
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201 |
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202 case CNetLocStateMachine::EStateNetBasedLocSent: |
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203 // no action required |
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204 break; |
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205 |
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206 case CNetLocStateMachine::EStateLocReqByNet: |
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207 // no action required |
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208 break; |
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209 |
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210 case CNetLocStateMachine::EStateLocRespRecvd: |
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211 // no action required |
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212 break; |
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213 |
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214 case CNetLocStateMachine::EStateLocSentToNet: |
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215 // no action required |
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216 break; |
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217 |
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218 case CNetLocStateMachine::EStateClientSessToClose: |
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219 // Send a session completion to the gateway |
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220 LBSLOG(ELogP2, "CNetLocStateHandler::ExitActions() Completing Session \n"); |
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221 netlocMachine.Observer().Gateway()->SessionCompleteInd( |
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222 netlocMachine.SessionId(),netlocMachine.ClientCloseReason()); |
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223 break; |
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224 |
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225 case CNetLocStateMachine::EStateNetSessToClose: |
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226 // Forward session completion to network if network is okay |
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227 if (!netlocMachine.IsNetworkConnectionError()) |
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228 { |
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229 netError = netlocMachine.Observer().Network()->MoLrCompleteInd(netlocMachine.NetworkCloseReason()); |
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230 } |
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231 break; |
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232 |
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233 case CNetLocStateMachine::EStateSessionsClosed: |
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234 // no action required |
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235 break; |
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236 |
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237 case CNetLocStateMachine::EStateCancelling: |
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238 // no action required |
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239 break; |
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240 |
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241 default: |
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242 User::Panic(KProtocolModulePanic, EProtocolModuleNetLocState); |
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243 break; |
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244 } |
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245 |
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246 // Handle any network-related error |
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247 if (CNetworkInterface::ENone != netError) |
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248 { |
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249 netlocMachine.Observer().NetworkErrorReported(); |
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250 } |
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251 |
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252 } |
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253 |
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254 |