1 /* |
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2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 #include "ncmsharedstatemanager.h" |
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19 #include "OstTraceDefinitions.h" |
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20 #ifdef OST_TRACE_COMPILER_IN_USE |
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21 #include "ncmsharedstatemanagerTraces.h" |
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22 #endif |
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23 |
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24 |
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25 |
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26 #ifdef _DEBUG |
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27 _LIT(KPanicSharedState, "SharedStatePanic"); |
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28 #endif |
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29 |
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30 CNcmSharedStateManager* CNcmSharedStateManager::NewL(MShareStateObserver& aEngine) |
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31 { |
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32 CNcmSharedStateManager* self = new(ELeave) CNcmSharedStateManager(aEngine); |
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33 CleanupStack::PushL(self); |
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34 self->ConstructL(); |
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35 CleanupStack::Pop(self); |
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36 return self; |
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37 } |
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38 |
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39 CNcmSharedStateManager::CNcmSharedStateManager(MShareStateObserver& aEngine) : CActive(CActive::EPriorityStandard), |
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40 iNotifyMsg(RMessage2()), iEngine(aEngine) |
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41 { |
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42 CActiveScheduler::Add(this); |
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43 } |
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44 |
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45 |
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46 CNcmSharedStateManager::~CNcmSharedStateManager() |
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47 { |
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48 OstTraceFunctionEntry0(CNCMSHAREDSTATEMANAGER_CNCMSHAREDSTATEMANAGER); |
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49 |
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50 Cancel(); |
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51 |
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52 iProperty.Close(); |
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53 iProperty.Delete(KKeyNcmConnectionEvent); |
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54 |
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55 delete iCoexistBearer; |
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56 OstTraceFunctionExit0(CNCMSHAREDSTATEMANAGER_CNCMSHAREDSTATEMANAGER_DUP01); |
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57 } |
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58 |
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59 |
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60 void CNcmSharedStateManager::ConstructL() |
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61 { |
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62 OstTraceFunctionEntry0(CNCMSHAREDSTATEMANAGER_CONSTRUCTL); |
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63 |
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64 TInt ccStartRequested = ENcmStartRequested; |
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65 User::LeaveIfError(RProperty::Get(KUsbmanSvrUid, KKeyNcmSharedState, ccStartRequested)); |
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66 if (ccStartRequested != ENcmStartRequested) |
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67 { |
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68 User::Leave(KErrNotReady); |
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69 } |
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70 |
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71 User::LeaveIfError(iProperty.Define(KKeyNcmConnectionEvent, RProperty::EByteArray, KAllowAllPolicy, KNetworkControlPolicy)); |
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72 User::LeaveIfError(iProperty.Attach(RProcess().SecureId(), KKeyNcmConnectionEvent, EOwnerThread)); |
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73 |
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74 iCoexistBearer = CNcmCoexistBearerWatcher::NewL(); |
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75 |
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76 iNcmState().iIapId = 0; |
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77 OstTraceFunctionExit0(CNCMSHAREDSTATEMANAGER_CONSTRUCTL_DUP01); |
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78 } |
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79 |
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80 /** |
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81 Maintains the shared state between the NCM class controller and packet driver. |
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82 */ |
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83 void CNcmSharedStateManager::RunL() |
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84 { |
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85 TInt err = iStatus.Int(); |
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86 |
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87 OstTrace1(TRACE_NORMAL, CNCMSHAREDSTATEMANAGER_RUNL, "iStatus.Int()=%d", iStatus.Int()); |
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88 |
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89 if (KErrNone == err) |
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90 { |
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91 DoDhcpProvisionRequest(); |
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92 } |
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93 else if (KErrCancel != err) |
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94 { |
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95 NotifyNcmDisconnected(err); |
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96 } |
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97 } |
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98 |
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99 /** |
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100 Stop checking the shared state |
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101 */ |
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102 void CNcmSharedStateManager::DoCancel() |
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103 { |
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104 iCoexistBearer->Cancel(); |
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105 } |
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106 |
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107 TInt CNcmSharedStateManager::NotifyDhcpProvisionRequested() |
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108 { |
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109 OstTraceFunctionEntry0(CNCMSHAREDSTATEMANAGER_NOTIFYDHCPPROVISIONREQUESTED); |
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110 |
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111 TInt ret = iCoexistBearer->SetIpOverUsbActive(iStatus); |
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112 |
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113 if (ret == KErrCompletion) |
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114 { |
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115 return DoDhcpProvisionRequest(); |
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116 } |
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117 else if (ret == KErrNone) |
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118 { |
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119 //notify the upper apps BTPAN is used by others. |
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120 NotifyNcmDisconnected(KErrInUse); |
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121 SetActive(); |
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122 } |
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123 else |
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124 { |
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125 NotifyNcmDisconnected(ret); |
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126 } |
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127 |
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128 OstTraceFunctionEntry0(CNCMSHAREDSTATEMANAGER_NOTIFYDHCPPROVISIONREQUESTED_DUP01); |
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129 return ret; |
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130 } |
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131 |
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132 TInt CNcmSharedStateManager::DoDhcpProvisionRequest() |
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133 { |
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134 if (iNotifyMsg.IsNull()) |
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135 { |
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136 __ASSERT_DEBUG(0, User::Panic(KPanicSharedState, __LINE__)); |
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137 |
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138 //return AlreadyExists, so that Engine can start immediately. |
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139 return KErrAlreadyExists; |
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140 } |
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141 else |
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142 { |
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143 iNotifyMsg.Complete(KErrNone); |
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144 iNotifyMsg = RMessage2(); |
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145 } |
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146 |
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147 return KErrNone; |
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148 } |
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149 |
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150 |
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151 void CNcmSharedStateManager::NotifyNcmConnected() |
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152 { |
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153 iNcmState().iState = ENcmStateConnected; |
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154 iProperty.Set(iNcmState); |
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155 } |
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156 |
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157 void CNcmSharedStateManager::NotifyNcmDisconnected(TInt aReason) |
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158 { |
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159 iNcmState().iState = ENcmStateDisconnected; |
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160 iNcmState().iErrCode = aReason; |
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161 iProperty.Set(iNcmState); |
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162 |
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163 if (iCoexistBearer->IsIpOverUsbActived()) |
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164 { |
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165 iCoexistBearer->SetIpOverUsbDeactive(); |
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166 } |
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167 else |
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168 { |
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169 Cancel(); |
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170 } |
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171 } |
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172 |
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173 TInt CNcmSharedStateManager::SetStateValue(TInt aType, TInt aValue) |
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174 { |
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175 OstTraceExt2(TRACE_NORMAL, CNCMSHAREDSTATEMANAGER_SETSTATEVALUE, "SetStateValue: type=%d, val=%d", aType, aValue); |
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176 |
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177 const TInt KTypeIapId = 0; |
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178 const TInt KTypeDhcpReturn = 1; |
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179 TInt ret = KErrNone; |
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180 switch(aType) |
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181 { |
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182 case KTypeIapId: |
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183 //don't assign more than once. |
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184 __ASSERT_DEBUG(iNcmState().iIapId==0, User::Panic(KPanicSharedState, __LINE__)); |
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185 iNcmState().iIapId = aValue; |
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186 break; |
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187 |
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188 case KTypeDhcpReturn: |
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189 if (KErrNone == aValue) |
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190 { |
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191 iEngine.NotifyDhcpStarted(); |
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192 } |
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193 else |
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194 { |
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195 OstTrace1(TRACE_WARNING, CNCMSHAREDSTATEMANAGER_SETSTATEVALUE_DUP01, "Dhcp Provision Request return error:%d", aValue); |
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196 NotifyNcmDisconnected(aValue); |
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197 } |
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198 break; |
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199 |
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200 default: |
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201 OstTraceExt2(TRACE_ERROR, CNCMSHAREDSTATEMANAGER_SETSTATEVALUE_DUP02, "unknow type:%d, value:%d", aType, aValue); |
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202 __ASSERT_DEBUG(0, User::Panic(KPanicSharedState, __LINE__)); |
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203 break; |
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204 } |
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205 |
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206 return ret; |
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207 } |
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208 |
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209 TInt CNcmSharedStateManager::RegisterNotify(const RMessage2& aMsg) |
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210 { |
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211 if (!iNotifyMsg.IsNull()) |
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212 { |
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213 return KErrInUse; |
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214 } |
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215 |
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216 iNotifyMsg = aMsg; |
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217 |
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218 return KErrNone; |
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219 } |
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220 |
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221 TInt CNcmSharedStateManager::DeRegisterNotify() |
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222 { |
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223 if (iNotifyMsg.IsNull()) |
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224 { |
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225 return KErrNotReady; |
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226 } |
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227 else |
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228 { |
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229 iNotifyMsg.Complete(KErrCancel); |
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230 iNotifyMsg = RMessage2(); |
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231 } |
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232 |
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233 return KErrNone; |
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234 } |
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