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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 <et_phone.h> // For CTelObject |
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17 |
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18 #include "atgprsntwkregstatuschange.h" // Header file for this source file |
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19 #include "mSLOGGER.H" // For LOGTEXT macros |
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20 #include "ATIO.H" // For CATIO class |
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21 #include "Matstd.h" // For AT command strings and timeout values |
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22 #include "gprs.h" // for CGprs class |
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23 #include "NOTIFY.H" // for CNotifications |
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24 |
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25 // Macro for logging text to the log file using the local class name and a simpler |
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26 // call style. |
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27 #ifdef __LOGDEB__ |
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28 _LIT8(KLogEntry,"CATGprsNtwkRegStatusChange::%S\t%S"); |
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29 #define LOCAL_LOGTEXT(function,text) {_LIT8(F,function);_LIT8(T,text);LOGTEXT3(KLogEntry,&F,&T);} |
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30 #else |
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31 #define LOCAL_LOGTEXT(function,text) |
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32 #endif |
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33 |
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34 |
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35 CATGprsNtwkRegStatusChange* CATGprsNtwkRegStatusChange::NewL(CATIO* aIo,CTelObject* aTelObject, CPhoneGlobals* aGlobals) |
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36 /** |
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37 * Standard class factory function |
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38 */ |
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39 { |
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40 return (new(ELeave) CATGprsNtwkRegStatusChange(aIo,aTelObject,aGlobals)); |
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41 // Currently no need for a ConstructL call, maybe we'll need one in the future... |
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42 } |
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43 |
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44 CATGprsNtwkRegStatusChange::CATGprsNtwkRegStatusChange(CATIO* aIo, CTelObject* aTelObject,CPhoneGlobals* aGlobals) |
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45 :CATBase(aIo,aTelObject,aGlobals) |
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46 { |
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47 Enable(); |
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48 } |
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49 |
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50 CATGprsNtwkRegStatusChange::~CATGprsNtwkRegStatusChange() |
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51 { |
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52 Disable(); |
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53 } |
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54 |
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55 void CATGprsNtwkRegStatusChange::Enable() |
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56 /** |
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57 * Adds the all important +CGREG:* expect string so that our ::EventSignal is called when |
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58 * we get an unsolicited network registration status changes. |
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59 */ |
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60 { |
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61 LOCAL_LOGTEXT("Enable","Adding +CGREG:* expect string"); |
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62 |
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63 // Ensure +CRING is not on the expect string stack before we add it. |
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64 // (Doing things this way means we do not have to maintain an expect string in our |
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65 // member data) |
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66 iIo->RemoveExpectStrings(this); |
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67 |
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68 // Add +CRING expect string |
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69 __ASSERT_ALWAYS(iIo->AddExpectString(this,KCGREGMatchString) != NULL, Panic(EGeneral)); |
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70 } |
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71 |
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72 void CATGprsNtwkRegStatusChange::Disable() |
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73 /** |
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74 * Removes all expect strings added by this object. |
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75 * This object will not process +CRING until ::Enable() is called. |
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76 */ |
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77 { |
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78 LOCAL_LOGTEXT("Disable","Removing all CATGprsNtwkRegStatusCchange expect strings"); |
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79 iIo->RemoveExpectStrings(this); |
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80 } |
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81 |
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82 void CATGprsNtwkRegStatusChange::EventSignal(TEventSource aSource) |
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83 /** |
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84 * Called when a '+CGREG:' is received. |
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85 * Parses the +CGREG:... string which we recieved from the phone and then triggers |
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86 * the EPacketNtwkRegStatusChange notification as appropriate. |
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87 */ |
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88 { |
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89 LOCAL_LOGTEXT("EventSignal","Enter function"); |
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90 |
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91 TInt ret(KErrNone); |
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92 RPacketService::TRegistrationStatus regStatus(RPacketService::EUnknown); |
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93 |
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94 __ASSERT_ALWAYS(aSource == EReadCompletion, Panic(EATCommand_IllegalCompletionReadExpected)); |
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95 TRAP(ret,ParseResponseL(regStatus)); |
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96 if(ret!=KErrNone) |
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97 { |
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98 LOCAL_LOGTEXT("EventSignal","Unable to parse CGREG response"); |
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99 } |
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100 else |
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101 { |
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102 // |
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103 // Trigger the notificaiton mechanism |
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104 LOCAL_LOGTEXT("EventSignal","Triggering EPacketNtwkRegStatusChange notification"); |
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105 ((CGprs*)iTelObject)->SetRegistrationStatus(regStatus); |
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106 iPhoneGlobals->iNotificationStore->CheckNotification(iTelObject, EPacketNtwkRegStatusChange); |
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107 |
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108 // We are done, but there is no client request to complete |
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109 // we just return and wait until we get our next +CGREG:* command |
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110 } |
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111 } |
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112 |
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113 void CATGprsNtwkRegStatusChange::ParseResponseL(RPacketService::TRegistrationStatus& aRegStatus) |
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114 /** |
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115 * Parses the +CGREG unsolicited string from the modem. |
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116 * An example response woulf be '+CGREG: 2' where the value denotes the |
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117 * current registration status. |
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118 * If parsing succeeds then aRegStatus is updated. |
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119 */ |
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120 { |
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121 ParseBufferLC(); |
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122 TDblQueIter<CATParamListEntry> iter(iRxResults); |
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123 CATParamListEntry* entry=iter++; |
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124 |
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125 // Validate we have +CGREG at the start |
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126 if((entry==NULL) ||(entry->iResultPtr!=KCGREGResponseString)) |
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127 { |
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128 LOCAL_LOGTEXT("ParseResponseL","Failed to find +CGREG:"); |
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129 User::Leave(KErrNotSupported); |
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130 } |
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131 |
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132 // Read in value |
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133 entry=iter++; |
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134 if(!entry) |
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135 { |
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136 LOCAL_LOGTEXT("ParseResponseL","Failed to find 1st parameter"); |
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137 User::Leave(KErrNotFound); |
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138 } |
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139 TInt etsiVal; |
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140 CATParamListEntry::EntryValL(entry,etsiVal); |
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141 |
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142 // Convert value to equivalent EtelMM enum |
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143 switch(etsiVal) |
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144 { |
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145 case 0: // ETSI value as defined in ETSI 07.07 section 10.1.14 |
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146 aRegStatus=RPacketService::ENotRegisteredNotSearching; |
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147 break; |
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148 case 1: // ETSI value as defined in ETSI 07.07 section 10.1.14 |
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149 aRegStatus=RPacketService::ERegisteredOnHomeNetwork; |
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150 break; |
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151 case 2: // ETSI value as defined in ETSI 07.07 section 10.1.14 |
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152 aRegStatus=RPacketService::ENotRegisteredSearching; |
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153 break; |
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154 case 3: // ETSI value as defined in ETSI 07.07 section 10.1.14 |
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155 aRegStatus=RPacketService::ERegistrationDenied; |
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156 break; |
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157 case 4: // ETSI value as defined in ETSI 07.07 section 10.1.14 |
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158 aRegStatus=RPacketService::EUnknown; |
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159 break; |
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160 case 5: // ETSI value as defined in ETSI 07.07 section 10.1.14 |
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161 aRegStatus=RPacketService::ERegisteredRoaming; |
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162 break; |
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163 default: |
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164 aRegStatus=RPacketService::EUnknown; |
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165 break; |
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166 } |
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167 CleanupStack::PopAndDestroy(); // Pop and destroy the object pushed by ParseBufferLC() |
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168 } |
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169 |
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170 |
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171 void CATGprsNtwkRegStatusChange::CompleteWithIOError(TEventSource /*aSource*/,TInt /*aStatus*/) |
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172 { |
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173 LOCAL_LOGTEXT("CATGprsNtwkRegStatusChange","CompleteWithIOError"); |
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174 // CATIO removes expect strings in event of IO error so don't do it here |
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175 // Also, CATErrorHandler::CleanUp completes notification with error |
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176 } |
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177 |
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178 |
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179 |
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180 |
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181 |