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1 // Copyright (c) 2004-2009 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 /** |
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17 @file ipeventnotifier.cpp |
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18 @internalComponent |
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19 */ |
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20 |
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21 |
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22 #include <in_chk.h> |
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23 #include <icmp6_hdr.h> |
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24 #include <in_sock.h> |
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25 #include <in_bind.h> |
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26 #include "in6_opt.h" |
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27 |
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28 #include "ipeventnotifier.h" |
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29 #include "HookLog.h" |
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30 #include <networking/ipeventtypes.h> |
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31 #include "ipeventnotifierinterface.h" |
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32 #include "ipeventlistener.h" |
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33 #include <comms-infras/idquerynetmsg.h> |
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34 #include "DHCPUnicastTranslator.h" |
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35 |
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36 |
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37 CIPEventNotifier* CIPEventNotifier::NewL() |
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38 { |
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39 CIPEventNotifier* self = new(ELeave) CIPEventNotifier(); |
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40 CleanupStack::PushL(self); |
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41 |
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42 self->ConstructL(); |
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43 |
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44 CleanupStack::Pop(); |
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45 return self; |
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46 } |
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47 |
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48 |
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49 |
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50 void CIPEventNotifier::ConstructL() |
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51 { |
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52 /** |
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53 * Create the address/interface listener. |
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54 */ |
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55 iIPEventListener = new (ELeave) CIPEventListener(*this); |
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56 } |
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57 |
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58 |
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59 CIPEventNotifier::CIPEventNotifier() |
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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 |
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65 CIPEventNotifier::~CIPEventNotifier() |
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66 { |
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67 iInterfaces.ResetAndDestroy(); |
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68 |
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69 delete iIPEventListener; |
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70 |
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71 delete iDHCPUnicastTranslator; |
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72 } |
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73 |
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74 |
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75 |
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76 void CIPEventNotifier::BindL(CProtocolBase* aProtocol, TUint aId) |
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77 { |
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78 // Do sanity checks |
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79 // |
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80 if ((aId != KProtocolInet6Ip) || (aProtocol == this)) |
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81 { |
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82 User::Leave(KErrArgument); |
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83 } |
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84 |
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85 TUint ourId; |
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86 { |
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87 TServerProtocolDesc info; |
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88 Identify(&info); |
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89 ourId = info.iProtocol; |
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90 } |
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91 |
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92 if (aId == ourId) |
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93 { |
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94 User::Leave(KErrArgument); |
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95 } |
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96 |
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97 if ( iProtocolIPv6 != NULL ) |
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98 { |
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99 if ( iProtocolIPv6 == aProtocol ) |
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100 { |
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101 // We don't need to bind to the same protocol twice. |
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102 // |
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103 return; |
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104 } |
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105 else |
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106 { |
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107 // We don't want to bind to a different protocol either... |
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108 // |
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109 User::Leave(KErrAlreadyExists); |
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110 } |
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111 } |
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112 |
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113 iProtocolIPv6 = (CProtocolInet6Binder*) aProtocol; |
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114 |
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115 // Get a pointer to the event service. |
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116 // |
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117 ObtainEventService(); |
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118 |
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119 // Must always register hooks on startup, til the required |
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120 // initial values have been received. |
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121 // |
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122 RegisterHooksL(); |
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123 |
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124 // Create cache of interfaces known to IP stack |
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125 // |
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126 AddKnownInterfacesL(); |
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127 |
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128 /** |
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129 * Create owned hook to allow unicast DHCP packets to pass. |
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130 * Notice we are bypassing the standard mechanism for including |
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131 * another protocol hook (esk files), and are directly creating |
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132 * it here as it is needed for the same lifetime as IPEN itself. |
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133 */ |
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134 if (iDHCPUnicastTranslator == NULL) |
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135 { |
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136 iDHCPUnicastTranslator = new (ELeave) CDHCPUnicastTranslator(*iProtocolIPv6); |
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137 } |
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138 // connect the hook to the stack.. |
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139 iProtocolIPv6->BindL(iDHCPUnicastTranslator, BindForwardHook()); |
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140 |
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141 } |
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142 |
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143 |
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144 |
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145 void CIPEventNotifier::Unbind(CProtocolBase* aProtocol, TUint /* aId */) |
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146 { |
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147 if (iProtocolIPv6 != aProtocol) |
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148 { |
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149 return; |
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150 } |
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151 |
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152 iProtocolIPv6->Unbind(iDHCPUnicastTranslator, 0); |
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153 |
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154 UnregisterHooks(); |
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155 |
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156 iProtocolIPv6 = 0; |
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157 iEventService = 0; |
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158 } |
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159 |
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160 |
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161 |
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162 TInt CIPEventNotifier::GetOption(TUint aLevel, TUint aName,TDes8& aOption,CProtocolBase* aSourceProtocol) |
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163 /** |
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164 * Performs one of the following actions, depending on the option name: |
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165 * |
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166 * KHandleAttach: Sets up IPEN to catch and publish events on the interface named in aOption. |
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167 * Session handle TUint (the pubsub address key) returned in first 4 bytes of aOption buffer. |
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168 * |
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169 * KHandleRelease: Tells IPEN to stop catching and publishing events to the given session handle |
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170 * Handle passed in as TUint in first 4 bytes of aOption buffer. |
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171 * |
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172 * @param aLevel: should be KSolInetIp for this protocol |
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173 * @param aName: see above |
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174 * @param aOption: in/out, dependent on option name. See above |
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175 * @return error status |
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176 * |
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177 */ |
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178 { |
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179 (void) aLevel; |
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180 (void) aSourceProtocol; |
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181 |
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182 TInt retVal = KErrNotSupported; |
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183 |
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184 switch (aName) |
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185 { |
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186 case NetMessages::KHandleAttach: |
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187 { |
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188 TName buf; |
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189 buf.Copy( aOption ); |
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190 TUint *out_handlenum = (TUint *)aOption.Ptr(); |
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191 TRAPD(retval, *out_handlenum = OpenSessionL(buf)); |
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192 return retval; |
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193 } |
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194 |
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195 case NetMessages::KHandleRelease: |
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196 { |
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197 TUint *in_handle = (TUint *)aOption.Ptr(); |
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198 TInt ret = CloseSession(*in_handle); |
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199 *in_handle = 0; |
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200 return ret; |
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201 } |
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202 |
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203 default: |
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204 break; |
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205 } |
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206 |
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207 return retVal ; |
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208 } |
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209 |
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210 |
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211 |
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212 TUint CIPEventNotifier::OpenSessionL(const TDesC& aIfName) |
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213 /** |
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214 * Sets up IPEN to catch and publish events on the interface named by aIfName. |
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215 * Session handle TUint (the pubsub address key) is returned. |
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216 * |
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217 * @internalTechnology |
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218 */ |
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219 { |
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220 // The IP stack's first interface, a dummy, has an empty name string. |
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221 // Therefore an empty string to open against would match this dummy |
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222 // interface! So we should report failure if a naughty client is trying to |
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223 // monitor events on an interface with an empty name string. |
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224 // |
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225 if(aIfName == KNullDesC) |
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226 { |
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227 LOG( |
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228 _LIT(KHookNotifyStr,"ERROR: client attempted to monitor interface with empty name"); |
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229 HookLog::Printf( KHookNotifyStr ); |
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230 ) |
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231 User::Leave(KErrBadName); |
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232 } |
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233 |
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234 TInt ifPos = FindPositionOfInterfaceByName(aIfName); |
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235 |
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236 CIPEventNotifierInterface* iface = 0; |
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237 |
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238 if(ifPos == KErrNotFound) |
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239 { |
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240 AddKnownInterfacesL(); |
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241 ifPos = FindPositionOfInterfaceByName(aIfName); |
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242 User::LeaveIfError(ifPos); |
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243 } |
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244 |
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245 iface = iInterfaces[ifPos]; |
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246 |
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247 if( AnyClientsCurrentlyInterested() == false ) |
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248 { |
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249 RegisterHooksL(); |
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250 } |
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251 |
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252 __ASSERT_ALWAYS(iface , User::Leave(KErrCorrupt)); |
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253 iface->IncreaseRefCount(); |
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254 |
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255 PublishLastKnownStates(iface); |
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256 |
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257 LOG( |
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258 _LIT(KHookNotifyStr2,"CIPEventNotifier::OpenSessionL - now monitoring interface %S (pos #%d)"); |
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259 HookLog::Printf(KHookNotifyStr2,&aIfName,ifPos); |
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260 ) |
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261 |
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262 return iface->GetInterfaceIndex(); // later we might create a session id and map it to i/f # |
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263 } |
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264 |
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265 |
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266 TInt CIPEventNotifier::CloseSession(TUint aHandle) |
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267 { |
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268 TInt acIfPos = FindPositionOfInterface(aHandle); |
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269 |
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270 if(acIfPos == KErrNotFound) |
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271 { |
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272 return KErrNotFound; |
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273 } |
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274 |
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275 CIPEventNotifierInterface* acIf = iInterfaces[acIfPos]; |
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276 |
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277 acIf->DecreaseRefCount(); |
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278 |
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279 // shouldn't be more closes than news! naughty client. |
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280 __ASSERT_ALWAYS((acIf->GetRefCount() >= 0), User::Panic(_L("IPEN:CloseSession"),1)); |
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281 |
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282 LOG( |
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283 _LIT(KHookNotifyStr2,"CIPEventNotifier::CloseSession handle %d (pos #%d)"); |
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284 HookLog::Printf(KHookNotifyStr2,aHandle,acIfPos); |
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285 ) |
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286 |
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287 if( AnyClientsCurrentlyInterested() == false ) |
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288 { |
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289 UnregisterHooks(); |
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290 } |
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291 |
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292 return KErrNone; |
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293 } |
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294 |
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295 |
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296 |
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297 void CIPEventNotifier::AddInterfaceL(TUint32 aIfIndex, const TDesC& aIfName) |
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298 { |
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299 CIPEventNotifierInterface* newActIf = new (ELeave)CIPEventNotifierInterface(aIfIndex, aIfName); |
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300 CleanupStack::PushL( newActIf ); |
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301 iInterfaces.AppendL(newActIf); |
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302 CleanupStack::Pop( newActIf ); |
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303 } |
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304 |
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305 |
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306 |
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307 void CIPEventNotifier::AddKnownInterfacesL() |
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308 { |
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309 TUint bufsize = 2048; |
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310 HBufC8 *buffer = 0; |
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311 TInt exceed; |
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312 buffer = GetBuffer(buffer, bufsize); |
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313 User::LeaveIfNull(buffer); |
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314 TPtr8 bufdes = buffer->Des(); |
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315 |
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316 do |
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317 { |
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318 //-- get list of network interfaces |
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319 // if exceed>0, all interface could not fit into the buffer. |
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320 // In that case allocate a bigger buffer and retry. |
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321 // There should be no reason for this while loop to take more than 2 rounds. |
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322 bufdes.Set(buffer->Des()); |
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323 exceed = iProtocolIPv6->GetOption(KSolInetIfQuery, KSoInetInterfaceInfo, bufdes); |
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324 if(exceed > 0) |
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325 { |
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326 bufsize += exceed * sizeof(TInetInterfaceInfo); |
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327 buffer = GetBuffer(buffer, bufsize); |
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328 User::LeaveIfNull(buffer); |
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329 } |
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330 } while (exceed > 0); |
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331 |
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332 TOverlayArray<TInetInterfaceInfo> infoIface(bufdes); |
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333 |
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334 TInt idx; |
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335 for(idx=0; idx < infoIface.Length(); ++idx) |
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336 { |
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337 TInetInterfaceInfo& iface = infoIface[idx]; |
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338 |
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339 if(FindPositionOfInterface(iface.iIndex) == KErrNotFound) |
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340 { |
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341 LOG( |
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342 TBuf<2048> tmpBuf; |
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343 tmpBuf.Format(_L("Detected new i/f: index:%d, name: "),iface.iIndex); |
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344 tmpBuf.Append(iface.iName); |
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345 tmpBuf.AppendFormat(_L(", state:%d, SMti:%d, RMtu:%d, SpeedMetric:%d, feat:%d,"), |
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346 iface.iState,iface.iSMtu,iface.iRMtu,iface.iSpeedMetric,iface.iFeatures/*,iface.iHwAddr*/); |
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347 HookLog::Printf(tmpBuf); |
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348 ) |
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349 |
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350 TRAP_IGNORE(AddInterfaceL(iface.iIndex,iface.iName)); |
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351 } |
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352 } |
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353 LOG(LogKnownInterfaces()); |
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354 delete buffer; |
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355 } |
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356 |
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357 |
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358 HBufC8* CIPEventNotifier::GetBuffer(HBufC8* apBuf, TInt aBufLenRequired) |
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359 { |
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360 HBufC8* pBufResult = NULL; |
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361 |
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362 if(aBufLenRequired <= 0 ) |
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363 return NULL; //-- invalid argument |
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364 |
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365 if(!apBuf) |
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366 {//-- the buffer is not allocated at all, try allocate it |
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367 pBufResult = HBufC8::New(aBufLenRequired); |
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368 } |
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369 else |
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370 {//-- the buffer is already allocated. Check its size and try to reallocate if |
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371 //-- required size is bigger than existing. Otherwise do nothing. |
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372 |
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373 if(apBuf->Des().MaxSize() >= aBufLenRequired) |
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374 pBufResult = apBuf; //-- do nothing, existing buffer is big enough |
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375 else |
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376 { //-- delete and allocate new buffer to avoid data copying |
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377 delete apBuf; |
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378 pBufResult = HBufC8::New(aBufLenRequired); |
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379 } |
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380 } |
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381 |
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382 return pBufResult; |
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383 } |
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384 |
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385 |
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386 TInt CIPEventNotifier::FindPositionOfInterface(TUint32 aIfIndex) const |
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387 { |
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388 TInt i; |
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389 for( i=0 ; i<iInterfaces.Count() /*inline call*/ ; ++i ) |
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390 { |
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391 if(iInterfaces[i]->GetInterfaceIndex() == aIfIndex) |
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392 { |
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393 return i; |
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394 } |
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395 } |
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396 return KErrNotFound; |
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397 } |
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398 |
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399 |
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400 |
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401 TInt CIPEventNotifier::FindPositionOfInterfaceByName(const TDesC& aIfName) const |
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402 { |
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403 TInt i; |
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404 for( i=0 ; i<iInterfaces.Count() ; ++i ) |
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405 { |
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406 if(iInterfaces[i]->GetInterfaceName() == aIfName) |
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407 { |
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408 return i; |
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409 } |
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410 } |
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411 |
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412 return KErrNotFound; |
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413 } |
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414 |
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415 |
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416 CIPEventNotifierInterface* CIPEventNotifier::GetInterfaceWithIndexL(TInt aIpIfIndex) |
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417 { |
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418 TInt aIfPos; |
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419 aIfPos = FindPositionOfInterface(aIpIfIndex); |
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420 if(aIfPos < 0) |
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421 { |
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422 LOG ( |
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423 _LIT(KHookNotifyStr,"ERROR: couldn't find interface %d. err %d"); |
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424 HookLog::Printf( KHookNotifyStr,aIpIfIndex, aIfPos); |
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425 ) |
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426 User::Leave(aIfPos); |
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427 } |
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428 |
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429 return iInterfaces[aIfPos]; |
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430 } |
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431 |
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432 |
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433 TBool CIPEventNotifier::AnyClientsCurrentlyInterested(void) const |
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434 { |
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435 #ifdef ALWAYS_PUBLISH_IP_EVENTS |
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436 return true; |
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437 #else |
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438 TInt i; |
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439 for( i=0 ; i<iInterfaces.Count() ; ++i ) |
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440 { |
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441 if(iInterfaces[i]->GetRefCount() != 0 || |
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442 iInterfaces[i]->iMFlagReceived == 0 || |
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443 iInterfaces[i]->iLinklocalAddressKnown == 0 ) |
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444 // (We must always listen until we've received the M flag and a LL addr. |
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445 // This is because DHCP must have access to these events, even if it hasn't started yet.) |
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446 { |
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447 return true; |
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448 } |
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449 } |
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450 return false; |
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451 #endif |
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452 } |
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453 |
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454 |
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455 TBool CIPEventNotifier::ShouldPublishEvent(TUint aInterfaceIndex) |
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456 { |
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457 TInt aIfPos; |
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458 aIfPos = FindPositionOfInterface(aInterfaceIndex); |
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459 if(aIfPos == KErrNotFound) |
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460 { |
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461 LOG ( HookLog::Printf(_L("UNEXPECTED: Interface %d not yet known. Trying to find it"),aInterfaceIndex); ) |
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462 TRAP_IGNORE(AddKnownInterfacesL()) |
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463 aIfPos = FindPositionOfInterface(aInterfaceIndex); |
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464 if(aIfPos == KErrNotFound) |
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465 { |
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466 LOG ( HookLog::Printf(_L("VERY UNEXPECTED: Couldn't add interface %d"),aInterfaceIndex); ) |
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467 return EFalse; |
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468 } |
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469 aIfPos = FindPositionOfInterface(aInterfaceIndex); |
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470 } |
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471 |
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472 #ifdef ALWAYS_PUBLISH_IP_EVENTS |
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473 return ETrue; |
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474 #else |
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475 CIPEventNotifierInterface* aIf = iInterfaces[aIfPos]; |
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476 // if the M flag / LL addr has not yet been received we should try to catch it |
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477 return( (aIf->iMFlagReceived == 0) || |
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478 (aIf->iLinklocalAddressKnown == 0) || |
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479 (aIf->GetRefCount() > 0) ); |
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480 |
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481 #endif |
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482 } |
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483 |
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484 |
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485 void CIPEventNotifier::InterfaceDetached(const TDesC & aName, CNifIfBase *aIf) |
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486 { |
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487 (void)aIf; |
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488 TInt pos = FindPositionOfInterfaceByName(aName); |
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489 LOG( |
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490 _LIT(KHookNotifyStr,"CIPEventNotifier::InterfaceDetached %S ptr=%08x [pos %d of %d interfaces]"); |
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491 HookLog::Printf(KHookNotifyStr,&aName,aIf,pos,iInterfaces.Count()); |
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492 ) |
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493 if(pos != KErrNotFound) |
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494 { |
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495 CIPEventNotifierInterface* notIf = iInterfaces[pos]; |
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496 delete notIf; |
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497 iInterfaces.Remove(pos); |
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498 } |
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499 LOG(LogKnownInterfaces()); |
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500 } |
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501 |
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502 #ifdef _DEBUG |
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503 void CIPEventNotifier::LogKnownInterfaces() |
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504 { |
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505 LOG( |
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506 _LIT(KHookNotifyHeader,"Dumping iInterfaces:"); |
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507 HookLog::Printf(KHookNotifyHeader); |
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508 ) |
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509 |
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510 for(TInt i=0 ; i<iInterfaces.Count() ; ++i ) |
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511 { |
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512 LOG( |
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513 _LIT(KHookNotifyStr,"\tPos %d: %S, stack's index %d"); |
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514 TName name = iInterfaces[i]->GetInterfaceName(); |
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515 TUint32 idx = iInterfaces[i]->GetInterfaceIndex(); |
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516 HookLog::Printf(KHookNotifyStr, i, &name, idx); |
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517 ) |
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518 } |
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519 } |
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520 #endif |
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521 |
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522 |
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523 void CIPEventNotifier::RegisterHooksL(void) |
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524 /** |
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525 * Registers the hook to catch IP stack events |
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526 */ |
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527 { |
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528 if(!(iProtocolIPv6 && iEventService && iIPEventListener)) |
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529 { |
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530 User::Leave(KErrNotReady); |
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531 } |
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532 |
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533 // bind to IP for incoming packets |
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534 iProtocolIPv6->BindL((CProtocolBase*)this, BindHookAll()); |
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535 |
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536 |
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537 // Register our listener class with the event service. We're interested in: |
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538 // |
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539 // i. address events |
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540 // for determining when DAD has completed and when link-local addresses have been assigned |
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541 // to an interface. |
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542 // ii. interface events to allow the notifier to associate interface names with the stack's |
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543 // internal indices. |
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544 // |
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545 iEventService->RegisterListener(iIPEventListener, EClassAddress); |
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546 iEventService->RegisterListener(iIPEventListener, EClassInterface); |
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547 } |
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548 |
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549 |
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550 |
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551 void CIPEventNotifier::UnregisterHooks(void) |
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552 /** |
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553 * Detaches this hook from the running of the stack. |
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554 * This is so IPEN doesn't slow down the stack while it isn't |
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555 * needed by any clients. |
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556 * |
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557 * e.g. without this mechanism, every incoming packet would pass through |
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558 * CIPEventNotifier::ApplyL pointlessly. |
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559 * |
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560 */ |
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561 { |
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562 if(!(iProtocolIPv6 && iEventService && iIPEventListener)) |
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563 { |
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564 return; |
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565 } |
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566 |
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567 // If IPv6 exists, unbind the hook. Covers both in/out hooks (I hope) |
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568 iProtocolIPv6->Unbind(this); |
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569 |
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570 // Unregister the address/interface listener. |
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571 iEventService->RemoveListener(iIPEventListener); |
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572 } |
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573 |
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574 |
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575 |
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576 void CIPEventNotifier::FillIdentification(TServerProtocolDesc& anEntry) |
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577 /** |
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578 * Fills in an existing protocol description structure with details of this protocol. |
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579 * |
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580 * @param aProtocolDesc: reference to the structure to be filled in |
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581 */ |
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582 { |
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583 anEntry.iName=_S("ipen"); |
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584 anEntry.iAddrFamily=KAfInet; //KAfExain; |
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585 anEntry.iSockType=KSockDatagram; |
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586 anEntry.iProtocol=KProtocolId; |
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587 anEntry.iVersion=TVersion(1, 0, 0); |
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588 anEntry.iByteOrder=EBigEndian; |
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589 anEntry.iServiceInfo=KSIDatagram | KSIConnectionLess; |
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590 anEntry.iNamingServices=0; |
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591 anEntry.iSecurity=KSocketNoSecurity; |
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592 anEntry.iMessageSize=0xffff; |
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593 anEntry.iServiceTypeInfo=0; // 1 for ability to create sockets |
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594 anEntry.iNumSockets=KUnlimitedSockets; |
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595 } |
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596 |
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597 |
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598 void CIPEventNotifier::Identify(TServerProtocolDesc* aProtocolDesc) const |
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599 /** |
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600 * Fills in an existing protocol description structure with details of this protocol. |
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601 * |
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602 * @param aProtocolDesc: pointer to the structure to be filled in |
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603 */ |
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604 { |
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605 FillIdentification(*aProtocolDesc); |
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606 } |
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607 |
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608 |
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609 TInt CIPEventNotifier::DefineProperty(Meta::SMetaData& aEvent, TUint aHandle) |
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610 { |
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611 TSecurityPolicy readPol(TSecurityPolicy::EAlwaysPass); |
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612 _LIT_SECURE_ID(ipeventsid,0x102045B9); |
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613 _LIT_SECURITY_POLICY_S0(writePol,ipeventsid); |
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614 |
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615 TInt err = iPublisher.Define(TUid::Uid(aEvent.GetTypeId().iType), aHandle, |
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616 RProperty::EByteArray/*, readPol, writePol*/); |
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617 |
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618 // Does not matter if property has already been defined - we ignore the error. |
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619 if( err == KErrAlreadyExists ) |
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620 { |
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621 err = KErrNone; |
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622 } |
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623 |
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624 return err; |
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625 } |
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626 |
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627 |
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628 void CIPEventNotifier::PublishToHandle(TUint aHandle, Meta::SMetaData& aData) |
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629 { |
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630 TBuf8<RProperty::KMaxPropertySize> buf; |
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631 |
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632 TInt res = aData.Store(buf); |
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633 if(res != KErrNone) |
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634 { |
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635 LOG(HookLog::Printf( _L("IPEN can't store: %d"), res)); |
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636 return; |
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637 } |
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638 |
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639 TPtrC8 toSet = buf; |
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640 res = iPublisher.Set(TUid::Uid(aData.GetTypeId().iType), aHandle, toSet); |
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641 if(res != KErrNone) |
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642 { |
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643 LOG(HookLog::Printf( _L("IPEN can't publish: %d"), res)); |
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644 } |
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645 } |
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646 |
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647 |
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648 |
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649 /** |
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650 * Incoming packet |
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651 */ |
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652 TInt CIPEventNotifier::ApplyL(RMBufHookPacket& aPacket, RMBufRecvInfo& aInfo) |
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653 { |
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654 |
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655 LOG ( |
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656 _LIT(KHookNotifyStr,"CIPEventNotifier::ApplyL hit with protocol: %d"); |
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657 HookLog::Printf( KHookNotifyStr , aInfo.iProtocol ); |
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658 ) |
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659 |
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660 if(aInfo.iProtocol == static_cast<TInt>(KProtocolInet6Icmp) && // quickest first |
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661 ShouldPublishEvent(aInfo.iInterfaceIndex) ) |
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662 { |
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663 |
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664 LOG ( |
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665 _LIT(KHookNotifyStr," ICMPv6 packet detected"); |
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666 HookLog::Printf( KHookNotifyStr ); |
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667 ) |
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668 |
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669 /** |
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670 * Could switch on ICMP type here, in case the hook needs to catch |
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671 * other ICMP packet types.. |
|
672 */ |
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673 TInet6Checksum<TInet6HeaderICMP_RouterAdv> icmp(aPacket,aInfo.iOffset); |
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674 |
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675 if(icmp.iHdr) |
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676 { |
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677 if (icmp.iHdr->Type() == KInet6ICMP_RouterAdv && |
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678 icmp.VerifyChecksum( aPacket, |
|
679 aInfo.iProtocol == static_cast<TInt>(KProtocolInet6Icmp) ? &aInfo : NULL, |
|
680 aInfo.iOffset) ) |
|
681 { |
|
682 TBool mflag = (icmp.iHdr->M() ? ETrue : EFalse) ; |
|
683 TBool oflag = (icmp.iHdr->O() ? ETrue : EFalse) ; |
|
684 |
|
685 LOG ( |
|
686 _LIT(KHookNotifyStr," IP EVENT on if# %d: Publishing M flag: %d"); |
|
687 HookLog::Printf( KHookNotifyStr, aInfo.iInterfaceIndex, mflag ); |
|
688 _LIT(KHookOFlagNotifyStr," IP EVENT on if# %d: Publishing O flag: %d"); |
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689 HookLog::Printf( KHookOFlagNotifyStr, aInfo.iInterfaceIndex, oflag ); |
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690 ) |
|
691 |
|
692 TRAPD(err, PublishMFlagL(aInfo.iInterfaceIndex, mflag, oflag)); |
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693 if(err!=KErrNone) |
|
694 { |
|
695 LOG ( |
|
696 _LIT(KLogStr, "Can't publish M and O flags message! Err %d\n"); |
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697 HookLog::Printf(KLogStr, err); |
|
698 ) |
|
699 } |
|
700 } |
|
701 } |
|
702 |
|
703 } |
|
704 |
|
705 return KIp6Hook_PASS; // ensure we don't affect the control flow |
|
706 } |
|
707 |
|
708 |
|
709 |
|
710 void CIPEventNotifier::ObtainEventService() |
|
711 { |
|
712 MInterfaceManager* ifacer = iProtocolIPv6->NetworkService()->Interfacer(); |
|
713 |
|
714 TRAPD(err, iEventService = IMPORT_API_L (ifacer, MEventService)); |
|
715 if (err != KErrNone) |
|
716 { |
|
717 LOG ( |
|
718 _LIT(KHookNotifyStr, "MEventService not available (%d). Some features may be missing\n"); |
|
719 HookLog::Printf(KHookNotifyStr, err); |
|
720 ) |
|
721 } |
|
722 } |
|
723 |
|
724 |
|
725 |
|
726 |
|
727 void CIPEventNotifier::PublishMFlagL(TInt aIpIfIndex, TBool aMflag, TBool aOflag) |
|
728 { |
|
729 CIPEventNotifierInterface* iface = GetInterfaceWithIndexL(aIpIfIndex); |
|
730 |
|
731 if(iface) |
|
732 { |
|
733 if(iface->iMFlagReceived == 0) |
|
734 { |
|
735 iface->iMFlagReceived = CMFlagReceived::NewL(); |
|
736 User::LeaveIfError(DefineProperty(*(iface->iMFlagReceived), aIpIfIndex)); |
|
737 } |
|
738 |
|
739 iface->iMFlagReceived->SetMFlag(aMflag); |
|
740 iface->iMFlagReceived->SetOFlag(aOflag); |
|
741 PublishToHandle(aIpIfIndex, *(iface->iMFlagReceived)); |
|
742 } |
|
743 } |
|
744 |
|
745 |
|
746 void CIPEventNotifier::PublishIPReadyL(TInt aIpIfIndex, const TInetAddr& tmpInetAddr, TBool addressValid) |
|
747 { |
|
748 CIPEventNotifierInterface* iface = GetInterfaceWithIndexL(aIpIfIndex); |
|
749 |
|
750 if(iface) |
|
751 { |
|
752 if(iface->iIPReady == 0) |
|
753 { |
|
754 iface->iIPReady = CIPReady::NewL(); |
|
755 User::LeaveIfError(DefineProperty(*(iface->iIPReady), aIpIfIndex)); |
|
756 } |
|
757 |
|
758 iface->iIPReady->SetIPAddress(tmpInetAddr); |
|
759 iface->iIPReady->SetAddressValid(addressValid); |
|
760 PublishToHandle(aIpIfIndex, *(iface->iIPReady)); |
|
761 } |
|
762 } |
|
763 |
|
764 void CIPEventNotifier::PublishLinklocalAddressKnownL(TInt aIpIfIndex, const TInetAddr& tmpInetAddr) |
|
765 { |
|
766 CIPEventNotifierInterface* iface = GetInterfaceWithIndexL(aIpIfIndex); |
|
767 |
|
768 if(iface) |
|
769 { |
|
770 if(iface->iLinklocalAddressKnown == 0) |
|
771 { |
|
772 iface->iLinklocalAddressKnown = CLinklocalAddressKnown::NewL(); |
|
773 User::LeaveIfError(DefineProperty(*(iface->iLinklocalAddressKnown), aIpIfIndex)); |
|
774 } |
|
775 iface->iLinklocalAddressKnown->SetIPAddress(tmpInetAddr); |
|
776 PublishToHandle(aIpIfIndex, *(iface->iLinklocalAddressKnown)); |
|
777 } |
|
778 } |
|
779 |
|
780 |
|
781 void CIPEventNotifier::PublishLastKnownStates(CIPEventNotifierInterface* aIface) |
|
782 { |
|
783 TUint32 ifIdx = aIface->GetInterfaceIndex(); |
|
784 |
|
785 // For each message from which we need state, not just events |
|
786 // i.e. everything that might happen before DHCP starts and registers |
|
787 // |
|
788 if(aIface->iMFlagReceived) |
|
789 { |
|
790 PublishToHandle(ifIdx, *(aIface->iMFlagReceived)); |
|
791 } |
|
792 if(aIface->iLinklocalAddressKnown) |
|
793 { |
|
794 PublishToHandle(ifIdx, *(aIface->iLinklocalAddressKnown)); |
|
795 } |
|
796 } |