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1 // Copyright (c) 2001-2009 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 #include "Gprscontext.h" |
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17 #include "mSLOGGER.H" |
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18 #include "ATGprsDetach.H" |
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19 #include "ATIO.H" |
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20 #include "TSYCONFG.H" |
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21 #include "NOTIFY.H" |
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22 #include "Matstd.h" |
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23 |
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24 _LIT8(KDetachCommand, "AT+CGATT=0\r"); |
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25 |
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26 /** |
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27 * @file |
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28 * This file implements the CATGprsDetachclass which is one of the state machine used by the |
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29 * GPRS AT TSY library. |
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30 * This state machine uses the "AT+CGATT" command. |
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31 */ |
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32 |
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33 CATGprsDetach* CATGprsDetach::NewL(CATIO* aIo, CTelObject* aTelObject, CATInit* aInit, CPhoneGlobals* aPhoneGlobals ) |
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34 /** |
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35 * Standard 2 phase constructor. |
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36 * |
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37 * @param aIo pointer to communication object. |
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38 * @param aTelObject pointer to parent. |
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39 * @param aPhoneGlobals pointer to phone global wide states. |
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40 */ |
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41 { |
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42 CATGprsDetach* p =new(ELeave) CATGprsDetach(aIo, aTelObject, aInit, aPhoneGlobals); |
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43 CleanupStack::PushL(p); |
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44 p->ConstructL(); |
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45 CleanupStack::Pop(); |
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46 return p; |
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47 } |
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48 |
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49 void CATGprsDetach::ConstructL() |
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50 /** |
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51 * Construct all objects that can leave. |
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52 */ |
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53 { |
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54 CATCommands::ConstructL(); |
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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 CATGprsDetach::CATGprsDetach(CATIO* aIo, CTelObject* aTelObject, CATInit* aInit, CPhoneGlobals* aPhoneGlobals) |
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60 : CATCommands(aIo, aTelObject, aInit, aPhoneGlobals) |
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61 /** |
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62 * Constructor. |
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63 * |
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64 * @param aIo pointer to communication object. |
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65 * @param aTelObject pointer to parent. |
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66 * @param aInit pointer to AT phone init object. |
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67 * @param aPhoneGlobals pointer to phone global wide states. |
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68 */ |
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69 {} |
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70 |
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71 |
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72 CATGprsDetach::~CATGprsDetach() |
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73 /** |
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74 * Destructor. |
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75 */ |
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76 { |
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77 iIo->RemoveExpectStrings(this); |
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78 } |
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79 |
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80 |
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81 void CATGprsDetach::Start(TTsyReqHandle aTsyReqHandle, TAny* ) |
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82 /** |
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83 * This is the standard entry point for sending detach command. |
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84 * @param aTsyReqHandle handle to the client. |
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85 */ |
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86 { |
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87 LOGTEXT(_L8("CATGprsDetach:\tStarting at AT+CGATT=0 Command")); |
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88 iReqHandle = aTsyReqHandle; |
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89 Write(KDetachCommand, KGprsCommandTimeOut); |
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90 iState=ESendDetachCommand; |
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91 } |
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92 |
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93 |
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94 void CATGprsDetach::Stop(TTsyReqHandle aTsyReqHandle) |
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95 /** |
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96 * This function attempts to cancel the AT state machine |
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97 */ |
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98 { |
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99 LOGTEXT(_L8("CATGprsDetach::Stop called")); |
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100 if(iState!=EATNotInProgress && aTsyReqHandle==iReqHandle) |
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101 { |
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102 LOGTEXT(_L8("CATGprsDetach::Stop Completing client request with KErrCancel")); |
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103 Complete(KErrCancel,ETimeOutCompletion); |
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104 } |
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105 } |
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106 |
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107 |
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108 void CATGprsDetach::CompleteWithIOError(TEventSource aSource,TInt aStatus) |
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109 /** |
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110 * This Function completes the command from the client whith an error. |
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111 * |
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112 * @param aSource source of event from communication class. |
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113 * @param aStatus status of event. |
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114 */ |
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115 { |
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116 LOGTEXT2(_L8("CATGprsDetach::CompleteWithIOError() called with iState = %d"),iState); |
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117 Complete(aStatus, aSource); |
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118 } |
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119 |
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120 |
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121 void CATGprsDetach::EventSignal(TEventSource aSource) |
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122 /** |
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123 * This function contains the state machine for the command. The states flow consecutively and are |
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124 * described below. |
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125 * |
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126 * @par EDetachReadComplete |
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127 * wait for the response from the phone. |
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128 * |
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129 * @par ESendDetachCommand |
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130 * Parse the response from the phone. |
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131 */ |
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132 { |
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133 if ((aSource==ETimeOutCompletion)) |
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134 { |
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135 LOGTEXT(_L8("CATGprsDetach::EventSignal, Timeout")); |
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136 Complete(KErrTimedOut,aSource); |
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137 return; |
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138 } |
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139 |
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140 switch(iState) |
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141 { |
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142 case ESendDetachCommand: |
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143 { |
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144 LOGTEXT(_L8("CATGprsDetach::EventSignal, ESendConnectCommand")); |
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145 __ASSERT_ALWAYS(aSource==EWriteCompletion,Panic(EATCommand_IllegalCompletionWriteExpected)); |
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146 StandardWriteCompletionHandler(aSource, KGprsLongCommandTimeOut); |
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147 iState = EDetachReadComplete; |
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148 } |
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149 break; |
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150 case EDetachReadComplete: |
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151 { |
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152 LOGTEXT(_L8("CATGprsDetach::EventSignal, EConnectReadComplete")); |
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153 __ASSERT_ALWAYS(aSource==EReadCompletion,Panic(EATCommand_IllegalCompletionReadExpected)); |
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154 TInt ret = ValidateExpectString(); |
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155 Complete(ret, aSource); |
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156 } |
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157 break; |
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158 case EATNotInProgress: |
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159 break; |
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160 default: |
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161 Panic(EIllegalEvent); |
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162 } |
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163 } |
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164 |
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165 |
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166 void CATGprsDetach::Complete(TInt aError,TEventSource aSource) |
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167 /** |
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168 * This Function completes the command from the client. |
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169 * It also changes the status of all contexts. |
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170 * @param aError an error code to relay to client. |
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171 */ |
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172 { |
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173 LOGTEXT2(_L8("CATGprsDetach::Complete() with aError %d"),aError); |
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174 RemoveStdExpectStrings(); |
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175 iIo->WriteAndTimerCancel(this); |
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176 iIo->RemoveExpectStrings(this); |
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177 if (aError==KErrNone) |
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178 { |
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179 TCommConfig aConfigPckg; |
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180 aError = iPhoneGlobals->iConfiguration->PortConfig(aConfigPckg,EConfigTypeInit); |
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181 if (aError==KErrNone) |
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182 aError = iIo->ConfigurePort(aConfigPckg); |
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183 |
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184 iPhoneGlobals->iPhoneStatus.iMode = RPhone::EModeOnlineCommand; |
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185 RPacketService::TContextInfo contextInfo; |
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186 ((CGprs*)iTelObject)->SetStatus(RPacketService::EStatusUnattached); |
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187 TInt i = 0; |
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188 // since the connection to the network is broken change the state of the contexts also. |
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189 CGprsContext* context; |
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190 while(context = ((CGprs*)iTelObject)->Context(i), context != NULL) |
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191 { |
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192 context->ContextInfo(&contextInfo); |
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193 contextInfo.iStatus = RPacketContext::EStatusInactive; |
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194 context->SetContextInfo(&contextInfo); |
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195 iPhoneGlobals->iNotificationStore->CheckNotification(context, EPacketContextStatusChanged); |
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196 i++; |
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197 } |
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198 iPhoneGlobals->iNotificationStore->CheckNotification(iTelObject, EPacketStatusChanged); |
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199 } |
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200 |
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201 // Allow our base class to do its thing and then complete the client request |
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202 CATCommands::Complete(aError,aSource); |
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203 iTelObject->ReqCompleted(iReqHandle, aError); |
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204 |
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205 iState=EATNotInProgress; |
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206 } |
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207 |