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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 #ifndef __CONTEXT_H__ |
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17 #define __CONTEXT_H__ |
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18 |
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19 #include <networking/umtsnifcontrolif.h> // ..for TContextConfig, etc.. |
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20 #include <timeout.h> |
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21 |
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22 #include "parameters.h" // ..for TPacketFilter, etc.. |
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23 |
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24 class CRequestBase; |
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25 class TFTInfo; |
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26 class RExtensionData; |
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27 class CFlowData; |
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28 class CNif; |
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29 |
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30 /* |
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31 * The returned sblp sub error should be between 1-7 in the PCO buffer |
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32 * see TS 29.207, annex D for details |
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33 */ |
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34 enum TSblpSubErrorRange |
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35 { |
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36 ESblpSubErrorValueMinimum = 1, |
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37 ESblpSubErrorValueMaximum = 7 |
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38 }; |
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39 |
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40 |
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41 const TUint KMaxPacketFilters = 8; |
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42 |
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43 class RContextConfig : public TContextConfig |
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44 /** |
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45 * Add some access functions to the TContextConfig |
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46 */ |
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47 { |
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48 public: |
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49 // Allow access to TFTInfo without needing a copy |
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50 inline TTFTInfo& TFTInfo() { return iTFTInfo; } |
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51 }; |
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52 |
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53 class CPdpContext : public CBase |
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54 { |
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55 friend class CNif; |
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56 friend class CRequestBase; |
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57 public: |
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58 |
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59 static CPdpContext* NewL(CNif& aNifItem, const TContextType& aType, TUint8 aContextId); |
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60 |
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61 ~CPdpContext(); |
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62 |
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63 TInt Activate(); |
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64 void ActivateReply(CRequestBase* aRequest, const TContextParameters& aParams); |
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65 |
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66 TInt ModifyActive(); |
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67 void ModifyActiveReply(CRequestBase* aRequest, const TContextParameters& aParams); |
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68 |
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69 TInt SetQoS(); |
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70 TInt SetQoS(const TQoSParameters& aGeneric, const TQoSRequested& aUmts); |
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71 void SetQoSReply(CRequestBase* aRequest, const TContextParameters& aParams); |
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72 |
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73 TInt ModifyTft(const TTFTOperationCode& aTFTOperationCode, const TTFTInfo& aTft); |
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74 void ModifyTftReply(CRequestBase* aRequest, const TContextParameters& aParams); |
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75 |
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76 void ParametersChangedEvent(const TContextParameters& aParams); |
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77 void DeleteEvent(const TContextParameters& aParams); |
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78 |
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79 TInt Delete(); |
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80 TInt AddPacketFilter(CFlowData& aFlow, TTFTInfo& aTft); |
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81 TInt RemovePacketFilter(TTFTInfo& aTft, const CFlowData* aFlow = NULL); |
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82 |
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83 void Block(); |
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84 void UnBlock(); |
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85 inline TUint IsFlowBlocked() const; |
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86 |
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87 void FlowAttached(); |
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88 void FlowDetached(); |
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89 void SetContextStatus(const RPacketContext::TContextStatus& aStatus); |
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90 |
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91 TInt GetQoSRanking(); |
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92 TBool IsPrimary() const; |
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93 |
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94 inline TInt RefCount() const; |
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95 inline TInt ContextId() const; |
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96 inline TInt ChannelId() const; |
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97 inline void SetChannelId(TInt aChannelId); |
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98 inline CNif& Nif(); |
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99 inline const RExtensionData& Extension() const; |
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100 inline TBool ContextActive() const; |
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101 inline TBool ContextInactive() const; |
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102 inline RPacketContext::TContextStatus ContextStatus() const; |
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103 inline TInt TrafficClass() const; |
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104 inline TDblQue<CFlowData>& Flows(); |
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105 inline TContextType ContextType() const; |
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106 |
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107 protected: |
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108 TSglQueLink iNext; |
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109 |
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110 CPdpContext(CNif& aNifItem, TContextType aType, TUint8 aContextId); |
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111 static TBool CheckSblpErrorInPcoBuffer(const TContextParameters& aParams, TUint8& parsedSblpErrorValue); |
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112 |
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113 void ConstructL(); |
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114 void GenerateEvent(TUint aEventType, const TContextParameters& aParams); |
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115 TBool MatchPacketFilter(const TPacketFilter& aFlow, const TPacketFilter& aFilter) const; |
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116 TInt FindPacketFilterId(); |
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117 void Update(const TContextParameters& aParams); |
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118 |
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119 private: |
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120 void NotifyBlockingState(TUint aOldBlocking); |
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121 |
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122 TInt iRefs; // count of attached flows (just for information) |
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123 |
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124 // Blocked/Unblocked status as indicated by NIF. If NIF reports |
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125 // "blocked", the context stays blocked until NIF reports "unblock" |
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126 // This is totally independent of context status and flow blocking: |
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127 // flows are blocked if context is "blocked" *OR* status is not active. |
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128 TUint8 iBlocked; |
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129 |
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130 TUint8 iContextId; |
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131 TInt iChannelId; |
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132 TContextType iContextType; |
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133 RPacketContext::TContextStatus iContextStatus; |
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134 |
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135 CNif& iNifItem; // Nif interface |
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136 TDblQue<CFlowData> iFlows; // Flow list |
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137 |
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138 // Currently Active filters. |
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139 TInt iNumFilters; |
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140 TPacketFilter iFilters[KMaxPacketFilters]; |
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141 |
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142 // Current parameters/configuration |
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143 TQoSNegotiated iNegotiated; |
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144 public: |
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145 // Timeout handling |
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146 void Timeout(); |
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147 RTimeout iTimeout; |
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148 }; |
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149 |
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150 // inline methods |
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151 inline TContextType CPdpContext::ContextType() const |
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152 { return iContextType; } |
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153 |
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154 inline TInt CPdpContext::ContextId() const |
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155 { return iContextId; } |
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156 |
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157 inline TInt CPdpContext::ChannelId() const |
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158 { return iChannelId; } |
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159 |
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160 inline void CPdpContext::SetChannelId(TInt aChannelId) |
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161 { iChannelId = aChannelId; } |
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162 |
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163 inline CNif& CPdpContext::Nif() |
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164 { return iNifItem; } |
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165 |
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166 inline TInt CPdpContext::RefCount() const |
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167 { return iRefs; } |
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168 |
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169 inline TBool CPdpContext::ContextActive() const |
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170 { return (iContextStatus == RPacketContext::EStatusActive); } |
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171 |
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172 inline TBool CPdpContext::ContextInactive() const |
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173 { return (iContextStatus == RPacketContext::EStatusInactive); } |
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174 |
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175 inline RPacketContext::TContextStatus CPdpContext::ContextStatus() const |
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176 { return iContextStatus; } |
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177 |
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178 inline TInt CPdpContext::TrafficClass() const |
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179 { return iNegotiated.iTrafficClass; } |
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180 |
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181 inline TDblQue<CFlowData>& CPdpContext::Flows() |
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182 { return iFlows; } |
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183 |
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184 inline TUint CPdpContext::IsFlowBlocked() const |
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185 // Flows are blocked if either explicit blocking from NIF is on, |
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186 // or the context is not active. |
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187 { return iBlocked || !ContextActive(); } |
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188 |
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189 typedef TDblQueIter<CFlowData> TDblFlowIter; |
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190 |
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191 #endif |