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1 /** @file |
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2 * Copyright (c) 2008-2008 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 |
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19 #ifndef C_CUPNPIPFILTERINGDNSQUERY_H |
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20 #define C_CUPNPIPFILTERINGDNSQUERY_H |
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21 |
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22 #include <e32cmn.h> |
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23 #include <in_sock.h> |
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24 #include <ES_SOCK.H> |
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25 |
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26 #include "upnpipfiltering.h" |
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27 |
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28 /** |
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29 * Encapsulates DNS query |
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30 * |
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31 * @since S60 v3.2 |
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32 */ |
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33 class CUpnpIPFilteringDNSQuery : public CActive |
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34 { |
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35 |
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36 private: |
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37 |
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38 enum TActionType |
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39 { |
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40 EAddAddress, |
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41 ERemoveAddress, |
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42 }; |
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43 |
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44 public: |
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45 /** |
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46 * Two-phased constructor. |
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47 * @param aMessage a messagy which will ber cmpleted when queris resoves name |
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48 * @param aRemoteName a name to be resolved by DNS server |
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49 */ |
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50 static CUpnpIPFilteringDNSQuery* NewL( const RMessage2& aMessage, |
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51 const TDesC8& aRemoteName ); |
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52 |
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53 /** |
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54 * Two-phased constructor. |
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55 * @param aMessage a messagy which will ber cmpleted when queris resoves name |
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56 * @param aRemoteName a name to be resolved by DNS server |
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57 */ |
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58 static CUpnpIPFilteringDNSQuery* NewLC( const RMessage2& aMessage, |
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59 const TDesC8& aRemoteName ); |
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60 |
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61 /** |
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62 * Destructor. |
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63 */ |
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64 virtual ~CUpnpIPFilteringDNSQuery(); |
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65 |
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66 /** |
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67 * Marks current query as addAddress |
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68 */ |
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69 void AddAddress( ); |
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70 |
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71 /** |
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72 * Marks current query as removeAddress |
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73 */ |
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74 void RemoveAddress( ); |
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75 |
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76 /** |
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77 * Starts to process current query |
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78 * @param |
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79 * @param aConnection an network interface which will be used during queries |
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80 * @param aListOwner here we store results of queries |
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81 */ |
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82 void StartDNSQuery( RSocketServ& aSockServ, RConnection& aConnection , |
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83 CUpnpIPFiltering* aListOwner ); |
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84 |
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85 public://from CActive |
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86 |
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87 /** |
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88 * Completes with query result |
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89 */ |
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90 void RunL(); |
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91 |
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92 /** |
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93 * Handels leaves from RunL method |
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94 */ |
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95 TInt RunError( TInt aError ); |
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96 |
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97 |
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98 private: |
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99 /** |
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100 * Constructor |
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101 */ |
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102 CUpnpIPFilteringDNSQuery( const RMessage2& aMessage ); |
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103 |
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104 /** |
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105 * Two-phased constructor. |
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106 */ |
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107 void ConstructL( const TDesC8& aRemoteName ); |
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108 |
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109 void RequestCompleted( TInt aStatus ); |
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110 |
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111 /** |
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112 * Evaluates query result |
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113 */ |
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114 TInt Status( TInt aStatus ); |
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115 |
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116 private://from CActive |
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117 |
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118 void DoCancel(); |
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119 |
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120 private: |
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121 |
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122 RHostResolver iHostResolver; //owned |
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123 TActionType iAction; |
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124 RBuf iRemoteName; //owned |
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125 TNameEntry iAddrDetails; |
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126 |
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127 TInt iDNSStatus; |
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128 const RMessage2 iMessage; //not owned |
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129 |
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130 CUpnpIPFiltering* iIPListOwner; //not owned |
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131 }; |
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132 |
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133 #endif // C_CUPNPIPFILTERINGDNSQUERY_H |