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1 // Copyright (c) 2007-2009 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 <in_iface.h> |
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17 |
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18 #include "context.h" |
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19 #include "async_request.h" |
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20 #include "iface.h" |
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21 #include "tc.h" |
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22 #include "guqos.h" |
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23 #include "guqos_log.h" |
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24 |
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25 CNif* CNif::NewL(CNifIfBase& aInterface, CModuleGuqos& aModule) |
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26 { |
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27 CNif* nif = new (ELeave) CNif(aInterface, aModule); |
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28 CleanupStack::PushL(nif); |
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29 nif->ConstructL(); |
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30 CleanupStack::Pop(); |
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31 return nif; |
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32 } |
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33 |
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34 // XNifTimeoutLinkage |
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35 // ****************** |
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36 // Glue to bind timeout callback from the timeout manager into Timeout() call |
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37 // on the CPdpContext |
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38 // |
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39 // *NOTE* |
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40 // This kludgery is all static and compile time, and only used in the constructor |
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41 // of CPdpContext. |
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42 // |
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43 |
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44 // This ungainly manoevure is forced on us because the offset is not evaluated early enough by GCC3.4 to be |
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45 // passed as a template parameter |
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46 #if defined(__X86GCC__) || defined(__GCCE__) |
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47 #define KNifTimeoutOffset 2144 |
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48 __ASSERT_COMPILE(KNifTimeoutOffset == _FOFF(CNif, iTimeout)); |
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49 #else |
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50 #define KNifTimeoutOffset _FOFF(CNif, iTimeout) |
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51 #endif |
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52 |
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53 class XNifTimeoutLinkage : public TimeoutLinkage<CNif, KNifTimeoutOffset> |
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54 { |
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55 public: |
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56 static void Timeout(RTimeout &aLink, const TTime & /*aNow*/, TAny * /*aPtr*/) |
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57 { |
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58 Object(aLink)->RunPendingRequests(); |
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59 } |
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60 }; |
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61 |
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62 CNif::CNif(CNifIfBase& aNif, CModuleGuqos& aModule) : iNif(aNif), iModule(aModule), iTimeout(XNifTimeoutLinkage::Timeout) |
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63 { |
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64 LOG(Log::Printf(_L("new\tCNif[%u] size=%d"), (TInt)this, sizeof(*this))); |
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65 iContexts.SetOffset(_FOFF(CPdpContext, iNext)); |
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66 iPending.SetOffset(_FOFF(CRequestBase, iLink)); |
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67 } |
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68 |
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69 void CNif::ConstructL() |
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70 { |
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71 // The instance for the primary context exists always for CNif |
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72 iPrimary = CPdpContext::NewL(*this, EPrimaryContext, 0); |
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73 AddContext(*iPrimary); |
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74 |
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75 User::LeaveIfError(RegisterEventHandler()); |
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76 |
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77 // Get IapId from Nif |
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78 TSoIfConnectionInfo netinfo; |
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79 TPckg<TSoIfConnectionInfo> option(netinfo); |
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80 if (iNif.Control(KSOLInterface, KSoIfGetConnectionInfo, option) == KErrNone) |
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81 iIapId = netinfo.iIAPId; |
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82 } |
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83 |
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84 CNif::~CNif() |
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85 { |
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86 LOG(Log::Printf(_L("~\tCNif[%u] Start"), (TInt)this)); |
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87 // No upcalls from NIF, we are in destructor! |
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88 CloseInterface(); |
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89 |
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90 // Unconditionallly terminate all request activities |
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91 |
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92 // Note: CompleteAndDestruct ends up calling "CloseRequest", |
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93 // which may attempt to activate the next request in queue. To avoid |
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94 // this, set iCurrentRequest to NULL. |
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95 iCurrentRequest = NULL; |
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96 while (!iPending.IsEmpty()) |
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97 { |
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98 CRequestBase* request = iPending.First(); |
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99 request->CompleteAndDestruct(KErrDied, NULL); |
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100 } |
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101 |
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102 // Remove all PDP Contexts from NIF and GUQOS |
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103 while (!iContexts.IsEmpty()) |
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104 { |
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105 CPdpContext *context = iContexts.First(); |
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106 // Remove context from iContexts list before |
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107 // giving control out (to NIF) After this |
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108 // the context instance is no more "reachable" |
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109 // from anywhere else. |
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110 RemoveContext(*context); |
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111 context->Delete(); // Delete context from NIF |
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112 delete context; |
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113 } |
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114 iContexts.Reset(); |
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115 iTimeout.Cancel(); |
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116 LOG(Log::Printf(_L("\tCNif[%u] Destruction Completed"), (TInt)this)); |
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117 } |
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118 |
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119 // Initialize the iParameters and return reference |
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120 TContextParameters& CNif::ContextParameters() |
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121 { |
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122 //?? Hope this doesn't generate a memory leak? |
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123 //?? is iParameters.iContextConfig.Reset() required instead? |
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124 iParameters = TContextParameters(); |
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125 return iParameters; |
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126 } |
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127 |
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128 |
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129 CPdpContext* CNif::FindContext(TInt aContextId) |
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130 { |
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131 TContextIter iter(iContexts); |
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132 CPdpContext *context; |
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133 |
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134 while ((context = iter++) != NULL) |
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135 if (context->ContextId() == aContextId) |
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136 return context; |
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137 return NULL; |
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138 } |
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139 |
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140 CPdpContext* CNif::FindChannel(TInt aChannelId) |
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141 { |
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142 TContextIter iter(iContexts); |
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143 CPdpContext *context; |
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144 |
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145 while ((context = iter++) != NULL) |
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146 if (context->ChannelId() == aChannelId) |
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147 return context; |
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148 return NULL; |
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149 } |
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150 |
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151 |
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152 // Choose new default Pdp context with the highest QoS profile (according to TS 23.107). |
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153 // |
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154 // *Note* |
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155 // Because in 3GPP there can be only ONE Context without any TFT's, this code |
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156 // assumes that the lower layer (NIF) has already deleted the current primary |
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157 // context. If this is not true, the TFT removal will fail at 3GPP level! |
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158 void CNif::SelectNewDefaultContext() |
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159 { |
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160 TContextIter iter(iContexts); |
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161 CPdpContext* context; |
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162 CPdpContext* highestQoS=NULL; |
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163 |
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164 while ((context = iter++) != NULL) |
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165 { |
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166 if (context == DefaultPdpContext()) |
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167 continue; // Exclude the current default from the search. |
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168 |
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169 //lint -e{961} would want terminating 'else' (we don't) |
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170 if (!highestQoS) |
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171 highestQoS = context; |
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172 else if (context->GetQoSRanking() < highestQoS->GetQoSRanking()) |
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173 highestQoS = context; |
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174 } |
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175 if (highestQoS == NULL) |
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176 { |
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177 // No other contexts available, cannot delete or change the primary! |
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178 LOG(Log::Printf(_L("\tOnly primary context available -- cannot be deleted"))); |
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179 return; |
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180 } |
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181 // |
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182 // Assign the new default context! |
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183 // (iPrimary pointer is only additional reference, it does not "own" the |
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184 // pointed object, thus just overwriting it is ok -- all contexts are in |
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185 // iContexts list). |
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186 iPrimary = highestQoS; |
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187 LOG(Log::Printf(_L("\tContext %d (channel=%d) is the new default context"), iPrimary->ContextId(), iPrimary->ChannelId())); |
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188 // Use the CClose request to clean out all TFT filters |
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189 // from the context (when context is primary, the RemoveFilters |
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190 // removes all, regardless of how many flows are connected). |
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191 CClose* request = CClose::New(*highestQoS); |
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192 if (request) |
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193 { |
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194 highestQoS->Nif().AddRequest(*request); |
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195 } |
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196 else |
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197 { |
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198 // If allocation of the request fails, there is not much that can |
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199 // be done, the filters will be left there and packets not matching |
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200 // them will be dropped. However, the cleanup will be attempted |
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201 // again any time the context is modified in such way that filters |
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202 // need to be removed. |
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203 LOG(Log::Printf(_L("\tCould not remove TFTs from new default context -- no room for request"))); |
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204 } |
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205 } |
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206 |
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207 // delete PDP context, and bind flows using this context to default PDP context |
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208 void CNif::DeletePdpContext(CPdpContext* aContext) |
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209 { |
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210 |
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211 if (DefaultPdpContext() == aContext) |
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212 { |
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213 // Attempt to select a new default context (may fail) |
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214 SelectNewDefaultContext(); |
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215 } |
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216 |
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217 CPdpContext *pdpDefault = DefaultPdpContext(); |
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218 if (pdpDefault != aContext) |
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219 { |
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220 while (!aContext->Flows().IsEmpty()) |
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221 { |
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222 CFlowData* flow = aContext->Flows().First(); |
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223 // The SetContext will remove the flow from old |
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224 // context, and eventually the aContext->Flows() |
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225 // *MUST* become empty |
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226 // (because aContext != pdpContext) |
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227 flow->SetContext(pdpDefault); |
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228 } |
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229 RemoveContext(*aContext); |
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230 delete aContext; |
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231 } |
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232 else |
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233 { |
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234 // Cannot delete the default context, just block flows (as the |
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235 // context is not actually existing any more). |
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236 aContext->Block(); |
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237 } |
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238 } |
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239 |
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240 TInt CNif::RegisterEventHandler() |
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241 { |
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242 TPckgBuf<TEvent> opt; |
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243 opt().iEvent = this; |
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244 LOG(Log::Printf(_L("\tcall NIF Control(KRegisterEventHandler)"))); |
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245 return iNif.Control(KSOLInterface, KRegisterEventHandler, opt); |
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246 } |
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247 |
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248 TInt CNif::SetEvents(TBool aValue) |
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249 { |
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250 TPckgBuf<TBool> opt; |
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251 opt() = aValue; |
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252 LOG(Log::Printf(_L("\tcall NIF Control(KContextSetEvents. %d)"), aValue)); |
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253 return iNif.Control(KSOLInterface, KContextSetEvents, opt); |
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254 } |
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255 |
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256 |
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257 // event received from Nif when the Network status changes |
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258 TInt CNif::NetworkStatusEvent(const TNetworkParameters& aNetworkEvent) |
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259 { |
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260 switch(aNetworkEvent.iNetworkEventCode) |
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261 { |
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262 |
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263 case KNetworkConnectionLost: |
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264 break; |
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265 |
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266 case KNetworkInterfaceDown: |
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267 iModule.IfManager()->DeleteNif(this); |
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268 break; |
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269 |
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270 default: |
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271 return KErrNotSupported; |
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272 } |
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273 |
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274 return KErrNone; |
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275 } |
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276 |
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277 |
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278 // Receive events from umtsnif |
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279 TInt CNif::Event(CProtocolBase* aProtocol, TUint aName, TDes8& aOption, TAny* /*aSource*/) |
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280 { |
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281 LOG(Log::Printf(_L(""))); // just make empty line into log |
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282 #ifdef _LOG |
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283 TBuf<40> name; |
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284 |
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285 switch(aName) |
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286 { |
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287 case KContextDeleteEvent: name.Append(_L("KContextDeleteEvent")); break; |
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288 case KContextActivateEvent: name.Append(_L("KContextActivateEvent")); break; |
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289 case KContextParametersChangeEvent: name.Append(_L("KContextParametersChangeEvent")); break; |
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290 case KContextBlockedEvent: name.Append(_L("KContextBlockedEvent")); break; |
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291 case KContextUnblockedEvent: name.Append(_L("KContextUnblockedEvent")); break; |
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292 case KNetworkStatusEvent: name.Append(_L("KNetworkStatusEvent")); break; |
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293 case KContextQoSSetEvent: name.Append(_L("KContextQoSSetEvent")); break; |
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294 case KContextTFTModifiedEvent: name.Append(_L("KContextTFTModifiedEvent")); break; |
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295 case KPrimaryContextCreated: name.Append(_L("KPrimaryContextCreated")); break; |
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296 case KSecondaryContextCreated: name.Append(_L("KSecondaryContextCreated")); break; |
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297 case KContextModifyActiveEvent: name.Append(_L("KContextModifyActiveEvent")); break; |
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298 case KGetNegQoSEvent: name.Append(_L("KGetNegQoSEvent")); break; |
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299 default: name.Append(_L("error")); break; |
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300 } |
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301 |
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302 LOG(Log::Printf(_L("CNif::Event,aName: %d, name: {%S}"), aName, &name)); |
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303 #else |
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304 LOG(Log::Printf(_L("CNif::Event(name=%d)"), aName)); |
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305 #endif |
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306 |
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307 #ifndef SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY |
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308 //PREQ399 had to disable this check because in the new architecture, in order to |
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309 //plug UmtsIf capable CFProtos (formerly Nifs) they need to be below IProto, |
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310 //and hence aProtocol will never match the iNif reference that we have here. |
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311 if ((CNifIfBase *)aProtocol != &iNif) |
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312 { |
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313 LOG(Log::Printf(_L("\tThe CNifIfBase[%u] parameter does not match my CNifIBase[%u]"), (TInt)aProtocol, (TInt)&iNif)); |
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314 return KErrNotFound; // Not called from what we expect! (invalid use of API) |
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315 } |
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316 #else |
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317 (void)aProtocol; |
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318 #endif |
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319 // Handle KNetworkStatusEvent first. |
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320 if (aName == KNetworkStatusEvent) |
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321 { |
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322 if (aOption.Length() >= (TInt)sizeof(TNetworkParameters)) |
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323 { |
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324 const TNetworkParameters& opt = *(TNetworkParameters*)aOption.Ptr(); |
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325 NetworkStatusEvent(opt); |
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326 return KErrNone; |
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327 } |
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328 LOG(Log::Printf(_L("\tThe aOption length=%d is too short for TNetworkParameters (size=%d)"), |
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329 aOption.Length(), (TInt)sizeof(TNetworkParameters))); |
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330 return KErrArgument; |
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331 } |
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332 |
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333 // All remaining valid events use TContextParameters, do the shared |
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334 // checking and preprocess before the switch... |
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335 if (aOption.Length() != (TInt)sizeof(TContextParameters)) |
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336 { |
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337 LOG(Log::Printf(_L("\tThe aOption length=%d does not match TContextParamaters (size=%d)"), |
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338 aOption.Length(), (TInt)sizeof(TContextParameters))); |
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339 return KErrArgument; |
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340 } |
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341 const TContextParameters& opt = *(TContextParameters*)aOption.Ptr(); |
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342 |
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343 // PrimaryContextCreated/SecondaryContextCreated do not have the context |
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344 // id in opt yet, handle those separately here (because searching PDP |
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345 // context by id would fail. |
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346 if (aName == KPrimaryContextCreated) |
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347 { |
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348 return PrimaryContextCreated(opt); |
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349 } |
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350 else if (aName == KSecondaryContextCreated) |
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351 { |
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352 SecondaryContextCreated(opt); |
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353 return KErrNone; |
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354 } |
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355 |
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356 // Even if the aOption is not TContextParameters, nothing bad happens. |
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357 // In that case teh context is searced with random id, which either is |
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358 // found or not. |
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359 CPdpContext *context = FindContext(opt.iContextInfo.iContextId); |
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360 if (context == NULL) |
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361 { |
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362 return KErrNotFound; // Context does not exist any more |
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363 } |
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364 |
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365 switch (aName) |
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366 { |
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367 case KContextUnblockedEvent: |
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368 // independent of any request pending |
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369 // NOTE: NIF *MUST* always provide the correct context status for Unblock |
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370 context->SetContextStatus(opt.iContextInfo.iStatus); |
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371 context->UnBlock(); |
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372 return KErrNone; |
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373 |
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374 case KContextBlockedEvent: |
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375 // independent of any request pending |
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376 // NOTE: NIF *MUST* always provide the correct context status for Block |
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377 context->SetContextStatus(opt.iContextInfo.iStatus); |
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378 context->Block(); |
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379 return KErrNone; |
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380 |
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381 case KContextDeleteEvent: |
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382 // independent of any request pending |
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383 context->SetContextStatus(opt.iContextInfo.iStatus); |
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384 |
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385 // qos framework has to be notified!!! |
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386 context->DeleteEvent(opt); |
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387 DeletePdpContext(context); |
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388 return KErrNone; |
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389 |
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390 case KContextParametersChangeEvent: |
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391 // independent of any request pending |
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392 context->ParametersChangedEvent(opt); |
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393 return KErrNone; |
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394 |
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395 case KContextQoSSetEvent: |
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396 context->SetQoSReply(iCurrentRequest, opt); |
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397 return KErrNone; |
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398 |
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399 case KContextTFTModifiedEvent: |
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400 context->ModifyTftReply(iCurrentRequest, opt); |
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401 return KErrNone; |
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402 |
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403 |
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404 case KContextActivateEvent: |
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405 context->ActivateReply(iCurrentRequest, opt); |
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406 return KErrNone; |
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407 |
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408 case KContextModifyActiveEvent: |
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409 context->ModifyActiveReply(iCurrentRequest, opt); |
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410 return KErrNone; |
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411 |
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412 default: |
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413 break; |
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414 } |
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415 return KErrNotSupported; |
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416 } |
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417 |
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418 |
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419 void CNif::SetDefaultQoS() |
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420 { |
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421 LOG(Log::Printf(_L("\tSetDefaultQoS -- begin"))); |
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422 TQoSRequested policy; |
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423 TInt ret = iModule.GetDefaultParameters(policy, iIapId); |
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424 if (ret == KErrNone) |
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425 { |
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426 TContextParameters& parameters(ContextParameters()); |
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427 parameters.iContextConfig.SetUMTSQoSReq(policy); |
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428 TPckg<TContextParameters> opt(parameters); |
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429 LOG(Log::Printf(_L("\tcall NIF Control(KNifSetDefaultQoS)"))); |
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430 iNif.Control(KSOLInterface, KNifSetDefaultQoS, opt); |
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431 } |
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432 LOG(Log::Printf(_L("\tSetDefaultQoS -- end"))); |
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433 } |
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434 |
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435 void CNif::AddContext(CPdpContext& aContext) |
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436 { |
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437 iContexts.AddLast(aContext); |
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438 } |
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439 |
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440 TInt CNif::PrimaryContextCreated(const TContextParameters& aParams) |
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441 { |
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442 TNifIfInfo info; |
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443 iNif.Info(info); |
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444 LOG(Log::Printf(_L("CNif::PrimaryContextCreated [Nif=%S]"),&info.iName)); |
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445 |
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446 iPrimary->SetContextStatus(aParams.iContextInfo.iStatus); |
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447 |
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448 SetStatus(EReady); |
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449 IssueRequest(); |
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450 return KErrNone; |
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451 } |
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452 |
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453 void CNif::SecondaryContextCreated(const TContextParameters& aParams) |
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454 { |
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455 if (iCurrentRequest) |
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456 { |
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457 SetStatus(EReady); |
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458 CPdpContext* context=NULL; |
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459 TRAPD(err, context = CPdpContext::NewL(*this, ESecondaryContext, aParams.iContextInfo.iContextId)); |
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460 if (err == KErrNone) |
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461 { |
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462 //coverity[leave_without_push] |
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463 context->SetContextStatus(aParams.iContextInfo.iStatus); |
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464 AddContext(*context); |
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465 iCurrentRequest->Run(EPendingCreate, context, aParams); |
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466 return; // Do not fall to context destruction. |
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467 } |
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468 else |
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469 { |
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470 iCurrentRequest->CompleteAndDestruct(err, NULL); |
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471 // Fall to context destruction... |
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472 } |
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473 } |
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474 // Either there was no request to receive this, or running low on memory |
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475 LOG(Log::Printf(_L("CNif::SecondaryContextCreated -- but, GUGOS cannot use it, deleting context"))); |
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476 TPckg<TContextParameters> options(aParams); |
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477 iNif.Control(KSOLInterface, KContextDelete, options); |
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478 } |
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479 |
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480 // Issue the creation of secondary PDP context |
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481 TInt CNif::NewPdpContext() |
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482 { |
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483 LOG(Log::Printf(_L("\t\tCNif::NewPdpContext -- request creation of secondary context"))); |
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484 TPckg<TContextParameters> opt(ContextParameters()); |
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485 opt().iContextType = ESecondaryContext; |
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486 const TInt ret(iNif.Control(KSOLInterface, KContextCreate, opt)); |
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487 return (ret == KErrNone) ? opt().iReasonCode : ret; |
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488 } |
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489 |
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490 |
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491 // Turn off events |
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492 TInt CNif::CloseInterface() |
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493 { |
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494 return SetEvents(EFalse); |
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495 } |
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496 |
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497 void CNif::AddRequest(CRequestBase& aRequest) |
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498 { |
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499 iPending.AddLast(aRequest); |
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500 ++iPendingSequence; // iPending Modified |
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501 LOG(Log::Printf(_L("\trequest %S[%u] -- Queued for activation on IAP=%u"), aRequest.iName, (TInt)&aRequest, iIapId)); |
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502 IssueRequest(); |
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503 } |
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504 |
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505 void CNif::CancelPendingRequest(CFlowData* aFlowData) |
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506 { |
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507 LOG(Log::Printf(_L("\tCancelPendingRequest for FLOW -- BEGIN"))); |
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508 TUint32 mark; |
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509 do |
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510 { |
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511 mark = iPendingSequence; |
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512 TSglQueIter<CRequestBase> iter(iPending); |
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513 CRequestBase* request; |
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514 while (iPendingSequence == mark && (request = iter++) != NULL) |
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515 request->Cancel(aFlowData); |
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516 } |
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517 while (mark != iPendingSequence); |
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518 LOG(Log::Printf(_L("\tCancelPendingRequest FLOW -- END"))); |
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519 } |
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520 |
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521 |
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522 void CNif::CancelPendingRequest(CPdpContext* aContext) |
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523 { |
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524 LOG(Log::Printf(_L("\tCancelPendingRequest for PDP -- BEGIN"))); |
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525 |
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526 TUint32 mark; |
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527 do |
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528 { |
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529 mark = iPendingSequence; |
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530 TSglQueIter<CRequestBase> iter(iPending); |
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531 CRequestBase* request; |
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532 while (iPendingSequence == mark && (request = iter++) != NULL) |
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533 request->Cancel(aContext); |
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534 } |
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535 while (mark != iPendingSequence); |
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536 |
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537 LOG(Log::Printf(_L("\tCancelPendingRequest for PDP -- END"))); |
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538 } |
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539 |
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540 void CNif::IssueRequest() |
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541 { |
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542 // Request a callback with delay 0, calls RunPendingRequests as soon as possible. |
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543 iTimeout.Set(Module().TimeoutManager(), 0); |
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544 }; |
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545 |
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546 void CNif::RunPendingRequests() |
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547 { |
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548 LOG(Log::Printf(_L(""))); |
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549 if (Status() != EReady) |
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550 return; |
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551 |
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552 while (!iPending.IsEmpty() && iCurrentRequest == NULL) |
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553 { |
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554 iCurrentRequest = iPending.First(); |
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555 iCurrentRequest->Start(); |
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556 } |
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557 } |
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558 |
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559 // Recompute evaluation precedences in use from the current state of PDP contexts. |
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560 void CNif::RecomputeEvaluationPrecedences() |
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561 { |
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562 // This is called every time NIF returns the current set of filters. |
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563 // |
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564 // When new packet filters are added for the PDP Context, the |
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565 // precedence indexes must be selected for each of them and |
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566 // marked as used in the current table. Removal of filter must |
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567 // release the index, however at the time of TFT removal request, |
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568 // it is not yet known whether it will succeed. |
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569 // |
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570 // Eventually, NIF reports back what filters |
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571 // and indexes are actually used. Just recomputing the used |
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572 // status by scanning all (few) PDP Contexts and their current |
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573 // filters is the simplest solution to keep the information in |
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574 // in synch with NIF/network view of things. |
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575 |
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576 Mem::FillZ(iEvaluationPrecedenceMap, sizeof(iEvaluationPrecedenceMap)); |
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577 TContextIter iter(iContexts); |
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578 CPdpContext* context; |
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579 while ((context = iter++) != NULL) |
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580 { |
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581 for (TInt i = 0; i < context->iNumFilters; ++i) |
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582 { |
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583 const TInt p = context->iFilters[i].iEvaluationPrecedenceIndex; |
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584 if (p >= 0 && p < KMaxEvaluationPrecedences) |
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585 iEvaluationPrecedenceMap[p] = 1; |
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586 } |
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587 } |
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588 } |
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589 |
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590 // Evaluation precedence must be unique amongst all packet filters related to |
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591 // same APN. |
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592 TInt CNif::FindEvaluationPrecedence() |
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593 { |
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594 TUint i; |
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595 for (i=0; i < KMaxEvaluationPrecedences; i++) |
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596 { |
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597 if (iEvaluationPrecedenceMap[i] == 0) |
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598 { |
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599 iEvaluationPrecedenceMap[i] = 1; |
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600 return i; |
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601 } |
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602 } |
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603 return KErrNotFound; |
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604 } |
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605 |
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606 void CNif::CloseRequest(CRequestBase* aRequest) |
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607 { |
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608 LOG(Log::Printf(_L("\t\tCNif::CloseRequest"))); |
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609 iPending.Remove(*aRequest); |
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610 ++iPendingSequence; |
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611 // Note: If current request is already NULL, then this does not |
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612 // activate a new request from queue, even if there would be some. |
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613 // This is intentional -- see ~CNif() destructor! |
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614 if (iCurrentRequest != aRequest) |
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615 return; |
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616 iCurrentRequest = NULL; |
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617 IssueRequest(); |
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618 } |
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619 // |
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620 CNifManager* CNifManager::NewL() |
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621 { |
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622 CNifManager* manager = new (ELeave) CNifManager(); |
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623 CleanupStack::PushL(manager); |
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624 manager->ConstructL(); |
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625 CleanupStack::Pop(); |
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626 return manager; |
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627 } |
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628 |
|
629 CNifManager::~CNifManager() |
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630 { |
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631 while (!iNifs.IsEmpty()) |
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632 { |
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633 CNif* nif = iNifs.First(); |
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634 iNifs.Remove(*nif); |
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635 delete nif; |
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636 } |
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637 iNifs.Reset(); |
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638 } |
|
639 |
|
640 |
|
641 CNifManager::CNifManager() |
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642 { |
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643 iNifs.SetOffset(_FOFF(CNif, iNext)); |
|
644 } |
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645 |
|
646 void CNifManager::ConstructL() |
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647 { |
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648 } |
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649 |
|
650 CNif* CNifManager::CreateNifL(CNifIfBase& aInterface, CModuleGuqos& aModule) |
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651 { |
|
652 CNif* nif = CNif::NewL(aInterface, aModule); |
|
653 iNifs.AddLast(*nif); |
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654 nif->SetEvents(ETrue); |
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655 nif->SetDefaultQoS(); |
|
656 return nif; |
|
657 } |
|
658 |
|
659 void CNifManager::DeleteNif(CNifIfBase* aInterface) |
|
660 { |
|
661 CNif* nif = FindInterface(aInterface); |
|
662 if (nif) |
|
663 DeleteNif(nif); |
|
664 } |
|
665 |
|
666 void CNifManager::DeleteNif(CNif* aInterface) |
|
667 { |
|
668 iNifs.Remove(*aInterface); |
|
669 delete aInterface; |
|
670 } |
|
671 |
|
672 CNif* CNifManager::FindInterface(const CNifIfBase *aIface) |
|
673 { |
|
674 TNifIter iter(iNifs); |
|
675 CNif* nif; |
|
676 while ((nif = iter++) != NULL) |
|
677 if (&nif->Interface() == aIface) |
|
678 return nif; |
|
679 return NULL; |
|
680 } |
|
681 |
|
682 CPdpContext* CNifManager::FindChannel(TInt aChannelId) |
|
683 { |
|
684 TNifIter iter(iNifs); |
|
685 CNif* nif; |
|
686 while ((nif = iter++) != NULL) |
|
687 { |
|
688 CPdpContext* context = nif->FindChannel(aChannelId); |
|
689 if (context) |
|
690 return context; |
|
691 } |
|
692 return NULL; |
|
693 } |
|
694 |
|
695 |
|
696 // delete all pending requests related to this flow |
|
697 void CNifManager::CancelPendingRequests(CFlowData* aFlowData) |
|
698 { |
|
699 __ASSERT_ALWAYS(aFlowData!=NULL, User::Panic(_L("CNifManager::CancelPendingRequests"), 0)); |
|
700 TNifIter iter(iNifs); |
|
701 CNif *nif; |
|
702 while ((nif = iter++) != NULL) |
|
703 nif->CancelPendingRequest(aFlowData); |
|
704 } |