1 /* |
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2 * Copyright (c) 2007-2008 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: Class header for CWsfModel |
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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 |
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20 #ifndef C_WSFENGINE_H |
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21 #define C_WSFENGINE_H |
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22 |
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23 // EXTERNAL INCLUDES |
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24 #include <e32base.h> |
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25 #include <commsdattypesv1_1.h> |
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26 #include <cmmanagerext.h> |
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27 |
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28 // INTERNAL INCLUDES |
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29 #include "wsfwlanscannerobserver.h" |
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30 #include "wsfwlanmonitorobserver.h" |
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31 #include "wsfcommon.h" |
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32 |
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33 |
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34 // FORWARD DECLARATIONS |
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35 class CWsfWlanScanner; |
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36 class MWsfEngineObserver; |
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37 class CWsfWlanBearerConnectionMonitor; |
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38 class TWsfWlanInfo; |
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39 class MWsfServerCloserAdapter; |
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40 |
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41 // CLASS DEFINITION |
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42 /** |
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43 * Sniffer engine class. |
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44 * This class manages the objects responsible for connection creation, |
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45 * closing and monitoring, communication with the WLAN engine etc. |
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46 * |
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47 * @since S60 5.0 |
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48 * @lib wsfserver.exe |
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49 */ |
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50 NONSHARABLE_CLASS( CWsfEngine ): public CBase, |
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51 public MWsfWlanScannerObserver, |
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52 public MWsfWlanMonitorObserver |
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53 { |
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54 public: // Constructors and destructor |
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55 /** |
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56 * Factory function. |
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57 * @since S60 5.0 |
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58 * @param aServerCloser Reference to the server closer object. |
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59 * Ownership not passed. |
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60 * @return Server instance |
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61 */ |
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62 static CWsfEngine* NewL( MWsfServerCloserAdapter& aServerCloser ); |
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63 |
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64 /** |
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65 * Factory function. |
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66 * @since S60 5.0 |
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67 * @param aServerCloser Reference to the server closer object. |
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68 * Ownership not passed. |
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69 * @return Server instance |
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70 */ |
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71 static CWsfEngine* NewLC( MWsfServerCloserAdapter& aServerCloser ); |
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72 |
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73 /** |
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74 * Destructor |
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75 */ |
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76 ~CWsfEngine(); |
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77 |
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78 |
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79 private: // Constructors |
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80 /** |
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81 * Constructor |
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82 * @since S60 5.0 |
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83 * @param aServerCloser Reference to the server closer object. |
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84 * Ownership not passed. |
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85 */ |
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86 CWsfEngine( MWsfServerCloserAdapter& aServerCloser ); |
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87 |
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88 /** |
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89 * Second-phase constructor. |
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90 * @since S60 5.0 |
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91 */ |
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92 void ConstructL(); |
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93 |
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94 |
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95 public: // New methods |
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96 |
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97 /** |
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98 * Gets the result of complete wlan scan |
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99 * @since S60 5.0 |
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100 * @return Buffer pointer containing a serialized array of |
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101 * wlaninfo items |
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102 */ |
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103 HBufC8* GetScanResults(); |
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104 |
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105 /** |
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106 * Sets wlan scanning on |
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107 * @since S60 5.0 |
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108 */ |
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109 void EnableScanningL(); |
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110 |
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111 /** |
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112 * Sets wlan scanning off |
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113 * @since S60 5.0 |
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114 */ |
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115 void DisableScanningL(); |
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116 |
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117 /** |
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118 * Returns whether scanning is enabled |
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119 * @since S60 5.0 |
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120 * @return ETrue if scanning has been enabled, EFalse otherwise |
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121 */ |
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122 TBool IsScanning(); |
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123 |
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124 /** |
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125 * Checks if there is an active wlan connection and returns connection |
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126 * name (SSID) if appropriate. |
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127 * @since S60 5.0 |
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128 * @return The SSID of connected access point or empty descriptor |
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129 * if not connected |
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130 */ |
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131 HBufC* ConnectedWlanSsidL(); |
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132 |
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133 /** |
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134 * Fills the wlaninfo with the details of the active WLAN connection |
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135 * @since S60 5.0 |
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136 * @param aWlanInfo The wlaninfo record to be filled |
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137 * Ownership not passed. |
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138 * @return ETrue if success, EFalse on failure |
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139 */ |
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140 TBool ConnectedWlanConnectionDetailsL( TWsfWlanInfo& aWlanInfo ); |
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141 |
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142 /** |
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143 * Connects to the given IAP |
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144 * @since S60 5.0 |
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145 * @param aIapId The IAP to connect to |
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146 * @param aPersistence Persistence property of the IAP |
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147 * @return KErrNone if successful, otherwise error code |
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148 */ |
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149 TInt ConnectWlanL( TUint32 aIapId, TWsfIapPersistence aPersistence ); |
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150 |
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151 /** |
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152 * Disconnects the active WLAN connection |
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153 * @since S60 5.0 |
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154 * @return ETrue on success, EFalse if there was nothing to disconnect |
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155 */ |
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156 TBool DisconnectWlan(); |
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157 |
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158 /** |
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159 * Requests a wlan scan |
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160 * @since S60 5.0 |
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161 * @return ETrue if scanning is restarted |
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162 */ |
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163 TBool RefreshScanResults(); |
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164 |
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165 /** |
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166 * Requests the server to monitor an access point |
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167 * @since S60 5.0 |
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168 * @param aApId Access Point to be monitored |
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169 */ |
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170 void MonitorAccessPointL( TUint32 aApId ); |
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171 |
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172 /** |
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173 * Queries if there is an active WLAN connection. |
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174 * @since S60 5.0 |
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175 * @return ETrue if there is an active WLAN connection, |
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176 * EFalse otherwise. |
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177 */ |
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178 TBool IsConnected(); |
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179 |
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180 /** |
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181 * Aborts the currently ongoing connecting process |
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182 * @since S60 5.0 |
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183 */ |
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184 void AbortConnectingL(); |
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185 |
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186 /** |
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187 * Aborts the currently ongoing scanning process |
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188 * @since S60 5.0 |
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189 */ |
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190 void AbortScanning(); |
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191 |
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192 /** |
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193 * Sets the persistence property for the currently monitored IAP |
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194 * @since S60 5.0 |
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195 * @param aPersistence The value of the property |
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196 * @return ETrue on success |
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197 */ |
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198 TBool SetIapPersistenceL( TWsfIapPersistence aPersistence ); |
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199 |
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200 /** |
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201 * Controls the auto-disconnect timer in the server |
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202 * for owned connections |
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203 * @since S60 5.0 |
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204 * @param aAdcCommand Command for the timer, |
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205 * see TWsfAutoDisconnectCommand |
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206 * @return ETrue if the timer has been started (also if it had been |
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207 * started earlier), EFalse if the timer couldn't be started |
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208 * (e.g. because there is no owned connection). |
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209 */ |
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210 TBool ControlDisconnectTimer( TUint aAdcCommand ); |
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211 |
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212 /** |
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213 * Resets the iSuppressIapDeletion flag. |
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214 * @since S60 5.0 |
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215 */ |
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216 void ResetSuppressIapDeletion (); |
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217 |
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218 |
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219 public: // new methods |
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220 |
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221 /** |
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222 * Adds the given observer to the notification list |
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223 * @since S60 5.0 |
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224 * @param aObserver The observer to add. Ownership not passed. |
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225 */ |
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226 void AttachL( MWsfEngineObserver* aObserver ); |
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227 |
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228 /** |
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229 * Deletes the given observer from the notification list |
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230 * @since S60 5.0 |
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231 * @param aObserver The observer to remove. Ownership not passed. |
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232 */ |
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233 void Detach( MWsfEngineObserver* aObserver ); |
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234 |
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235 |
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236 protected: // from MWsfWlanScannerObserver |
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237 |
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238 /** |
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239 * When the scan cycle has completed this function is called to report |
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240 * the completion. |
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241 * @since S60 5.0 |
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242 */ |
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243 void WlanScanCompleteL(); |
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244 |
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245 /** |
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246 * Called when the scan cycle has started |
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247 * @since S60 5.0 |
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248 */ |
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249 void WlanScanStarted(); |
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250 |
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251 /** |
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252 * Called when an error occured while scanning wlan data |
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253 * @since S60 5.0 |
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254 * @param aError System wide error code |
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255 */ |
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256 void NotifyError( TInt aError ); |
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257 |
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258 |
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259 protected: // from MWsfWlanMonitorObserver |
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260 |
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261 /** |
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262 * Called when a wlan connection is established |
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263 * @since S60 5.0 |
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264 * @param aConnectionName WLAN connection name (SSID) |
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265 */ |
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266 virtual void ConnectionEstablishedL( const TDesC& aConnectionName ); |
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267 |
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268 /** |
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269 * Called when wlan connection has been lost |
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270 * @since S60 5.0 |
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271 */ |
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272 virtual void ConnectionLostL(); |
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273 |
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274 /** |
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275 * Called when the connection process failed for some reason |
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276 * @since S60 5.0 |
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277 * @param aError System wide error code |
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278 */ |
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279 virtual void ConnectingFailedL( TInt aError ); |
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280 |
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281 /** |
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282 * Called when the connection no longer needs the IAP it was using |
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283 * @since S60 5.0 |
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284 */ |
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285 virtual void ConnectedIapReleasedL(); |
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286 |
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287 |
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288 private: |
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289 |
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290 /** |
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291 * Tries to delete the corresponding IAP |
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292 * @since S60 5.0 |
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293 * @param aIapId The IAP to be deleted |
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294 */ |
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295 void DeleteIapL( TUint32 aIapId ); |
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296 |
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297 |
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298 private: // Data |
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299 /** |
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300 * Reference to the server closer (not owned) |
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301 */ |
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302 MWsfServerCloserAdapter& iServerCloser; |
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303 |
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304 /** |
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305 * WLAN scanner object (owned) |
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306 */ |
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307 CWsfWlanScanner* iScanner; |
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308 |
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309 /** |
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310 * Handle to the commsdat database (owned) |
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311 */ |
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312 CommsDat::CMDBSession* iDbSession; |
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313 |
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314 /** |
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315 * WLAN connection monitor object (owned) |
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316 */ |
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317 CWsfWlanBearerConnectionMonitor* iWlanBearerMonitor; |
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318 |
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319 /** |
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320 * Reference counter for scan enabling requests |
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321 */ |
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322 TInt iEnableScanning; |
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323 |
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324 /** |
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325 * Array of references to the observers of the engine |
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326 * (elements not owned) |
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327 */ |
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328 RPointerArray<MWsfEngineObserver> iObservers; |
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329 |
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330 /** |
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331 * Accesspoint to be monitored |
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332 */ |
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333 TUint32 iMonitoredIap; |
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334 |
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335 /** |
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336 * Indicates the persistence property of monitored IAP |
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337 */ |
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338 TWsfIapPersistence iIapPersistence; |
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339 |
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340 /** |
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341 * Indicates whether to postpone IAP deletion |
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342 */ |
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343 TBool iSuppressIapDeletion; |
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344 }; |
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345 |
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346 #endif // C_WSFENGINE_H |
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347 |
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348 // End of file |
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