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1 /* |
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2 * Copyright (c) 2009 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: IKEv2 IKE message send que. |
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15 * |
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16 */ |
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17 |
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18 #include "ikev2messagesendqueue.h" |
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19 #include "ikemsgheader.h" |
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20 #include "ikedebug.h" |
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21 |
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22 _LIT8(KKeepaliveData, 0xff); |
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23 |
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24 CIkev2MessageSendQueue* CIkev2MessageSendQueue::NewL(MIkeDataInterface& aDataInterface, |
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25 const TInetAddr& aDestinationAddress, |
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26 TUint8 aDscp, |
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27 TUint aNatKeepAliveInterval, |
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28 MIkeDebug& aDebug) |
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29 { |
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30 CIkev2MessageSendQueue* self = new (ELeave) CIkev2MessageSendQueue(aDataInterface, |
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31 aDestinationAddress, |
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32 aDscp, |
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33 aNatKeepAliveInterval, |
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34 aDebug); |
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35 CleanupStack::PushL(self); |
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36 self->ConstructL(); |
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37 CleanupStack::Pop(self); |
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38 |
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39 return self; |
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40 } |
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41 |
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42 |
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43 CIkev2MessageSendQueue::CIkev2MessageSendQueue(MIkeDataInterface& aDataInterface, |
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44 const TInetAddr& aDestinationAddress, |
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45 TUint8 aDscp, |
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46 TUint aNatKeepAliveInterval, |
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47 MIkeDebug& aDebug) |
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48 :CActive(EPriorityStandard), |
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49 iDataInterface(aDataInterface), |
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50 iNatKeepAliveInterval(aNatKeepAliveInterval), |
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51 iDestinationAddress(aDestinationAddress), |
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52 iDscp(aDscp), |
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53 iDebug(aDebug) |
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54 { |
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55 CActiveScheduler::Add(this); |
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56 |
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57 if (iNatKeepAliveInterval == 0) |
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58 { |
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59 iNatKeepAliveInterval = 120; |
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60 } |
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61 } |
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62 |
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63 |
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64 void CIkev2MessageSendQueue::ConstructL() |
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65 { |
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66 iSender = CIkev2Sender::NewL( iDataInterface, |
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67 *this); |
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68 User::LeaveIfError(iNatKeepaliveTimer.CreateLocal()); |
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69 } |
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70 |
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71 |
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72 CIkev2MessageSendQueue::~CIkev2MessageSendQueue() |
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73 { |
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74 Cancel(); |
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75 iNatKeepaliveTimer.Close(); |
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76 iSasBehindNat.Close(); |
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77 delete iSender; |
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78 iIkeMsgSendBuffer.Reset(); |
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79 iIkeMsgSendBuffer.Close(); |
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80 } |
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81 |
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82 void CIkev2MessageSendQueue::SendIkeMessageL(const TPtrC8 aIkeMsg, |
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83 TBool aFloatedPort) |
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84 { |
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85 Cancel(); |
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86 if (!iSender->IsActive()) |
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87 { |
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88 iIkeMsgInSending.Set(aIkeMsg); |
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89 TUint port = (aFloatedPort) ? FLOATED_IKE_PORT : IKE_PORT; |
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90 |
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91 #ifdef _DEBUG |
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92 TBuf<80> destAddr; |
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93 iDestinationAddress.Output(destAddr); |
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94 DEBUG_LOG3(_L("No sending active. Message sent immediately to %S:%d DSCP=%d."), &destAddr, port, iDscp); |
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95 #endif //_DEBUG |
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96 iDestinationAddress.SetPort(port); |
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97 iSender->SendIkeMsg(port, iDestinationAddress, iDscp, iIkeMsgInSending); |
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98 } |
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99 else |
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100 { |
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101 DEBUG_LOG(_L("Sending in progress, message added to send queue.")); |
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102 TIkeMsgWaitQueueObject waitObject = { aIkeMsg, aFloatedPort }; |
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103 User::LeaveIfError(iIkeMsgSendBuffer.Append(waitObject)); |
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104 } |
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105 } |
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106 |
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107 |
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108 void CIkev2MessageSendQueue::CancelSend(const TPtrC8& aIkeMsg) |
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109 { |
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110 DEBUG_LOG(_L("Sending of one datagram canceled.")); |
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111 if (aIkeMsg.Ptr() == iIkeMsgInSending.Ptr()) |
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112 { |
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113 __ASSERT_DEBUG(iSender->IsActive(), User::Invariant()); |
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114 //The NAT keepalive timer should not be active, because sending |
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115 //is in progress. |
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116 __ASSERT_DEBUG(!IsActive(), User::Invariant()); |
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117 iSender->Cancel(); |
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118 iIkeMsgInSending.Set(NULL, 0); |
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119 // Send next message from queue. |
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120 SendIkeMsgCompleted( KErrCancel ); |
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121 } |
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122 else |
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123 { |
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124 for (TUint i = 0; i < iIkeMsgSendBuffer.Count(); ++i) |
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125 { |
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126 if (iIkeMsgSendBuffer[i].iIkeMsg.Ptr() == aIkeMsg.Ptr()) |
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127 { |
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128 iIkeMsgSendBuffer.Remove(i); |
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129 break; |
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130 } |
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131 } |
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132 } |
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133 } |
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134 |
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135 void CIkev2MessageSendQueue::SendIkeMsgCompleted( TInt /*aStatus*/ ) |
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136 { |
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137 DEBUG_LOG(_L("Ike message send complete.")); |
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138 iIkeMsgInSending.Set(NULL, 0); |
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139 |
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140 if (iIkeMsgSendBuffer.Count() > 0) |
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141 { |
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142 TIkeMsgWaitQueueObject& waitObject = iIkeMsgSendBuffer[0]; |
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143 TUint port = (waitObject.iFloatedPort) ? FLOATED_IKE_PORT : 500; |
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144 iSender->SendIkeMsg(port, iDestinationAddress, iDscp, waitObject.iIkeMsg); |
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145 iIkeMsgSendBuffer.Remove(0); |
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146 iIkeMsgInSending.Set(waitObject.iIkeMsg); |
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147 } |
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148 else if (iSasBehindNat.Count() > 0 && iNatKeepAliveInterval > 0) |
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149 { |
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150 ArmKeepaliveTimer(); |
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151 } |
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152 } |
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153 |
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154 |
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155 void CIkev2MessageSendQueue::CancelAll() |
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156 { |
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157 iSender->Cancel(); |
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158 iIkeMsgSendBuffer.Reset(); |
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159 } |
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160 |
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161 |
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162 void CIkev2MessageSendQueue::NewSaBehindNatL(TUint aSaId) |
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163 { |
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164 DEBUG_LOG1(_L("CIkev2MessageSendQueue::NewSaBehindNatL: SaId=%d"), aSaId); |
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165 __ASSERT_DEBUG(iSasBehindNat.Find(aSaId) == KErrNotFound, User::Invariant()); |
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166 User::LeaveIfError(iSasBehindNat.Append(aSaId)); |
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167 if (!iSender->IsActive() && iNatKeepAliveInterval > 0) |
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168 { |
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169 //No sending acticve arm the nat keepalive timer. |
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170 ArmKeepaliveTimer(); |
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171 } |
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172 } |
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173 |
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174 |
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175 void CIkev2MessageSendQueue::SaBehindNatDeleted(TUint aSaId) |
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176 { |
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177 DEBUG_LOG1(_L("CIkev2MessageSendQueue::SaBehindNatDeleted: SaId=%d"), aSaId); |
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178 TInt index = iSasBehindNat.Find(aSaId); |
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179 __ASSERT_DEBUG(index >= 0, User::Invariant()); |
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180 iSasBehindNat.Remove(index); |
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181 if (iSasBehindNat.Count() == 0) |
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182 { |
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183 //Cancel keepalive timer |
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184 Cancel(); |
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185 } |
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186 } |
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187 |
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188 void CIkev2MessageSendQueue::RunL() |
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189 { |
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190 //Send the NAT keepalive |
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191 |
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192 __ASSERT_DEBUG(!iSender->IsActive(), User::Invariant()); |
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193 __ASSERT_DEBUG(iSasBehindNat.Count() > 0 && iNatKeepAliveInterval > 0, User::Invariant()); |
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194 |
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195 if (iRemainingTime == 0) |
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196 { |
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197 DEBUG_LOG(_L("Sending NAT keepalive")); |
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198 iSender->SendIkeMsg(FLOATED_IKE_PORT, iDestinationAddress, iDscp, KKeepaliveData); |
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199 } |
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200 else if (iRemainingTime > KMaxTInt/1000000) |
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201 { |
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202 iRemainingTime -= KMaxTInt/1000000; |
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203 iNatKeepaliveTimer.After(iStatus, KMaxTInt); |
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204 SetActive(); |
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205 } |
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206 else |
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207 { |
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208 iNatKeepaliveTimer.After(iStatus, iRemainingTime*1000000); |
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209 iRemainingTime = 0; |
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210 SetActive(); |
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211 } |
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212 } |
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213 |
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214 void CIkev2MessageSendQueue::DoCancel() |
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215 { |
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216 iNatKeepaliveTimer.Cancel(); |
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217 iRemainingTime = 0; |
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218 DEBUG_LOG(_L("Keepalive timer canceled")); |
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219 } |
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220 |
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221 void CIkev2MessageSendQueue::ArmKeepaliveTimer() |
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222 { |
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223 DEBUG_LOG(_L("CIkev2MessageSendQueue::ArmKeepaliveTimer")); |
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224 //Arm NAT keepalive timer. |
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225 if (iNatKeepAliveInterval > KMaxTInt/1000000 ) |
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226 { |
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227 iRemainingTime = iNatKeepAliveInterval - KMaxTInt/1000000; |
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228 iNatKeepaliveTimer.After(iStatus, KMaxTInt); |
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229 } |
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230 else |
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231 { |
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232 iRemainingTime = 0; |
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233 iNatKeepaliveTimer.After(iStatus, iNatKeepAliveInterval * 1000000); |
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234 } |
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235 SetActive(); |
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236 } |