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1 /* |
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2 * Copyright (c) 2002 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: IrDA device and service searcher |
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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 // INCLUDE FILES |
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21 #include "Irdaobexsearcher.h" |
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22 #include "ExtBTSearcherObserver.h" |
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23 #include <obex.h> |
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24 |
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25 |
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26 // CONSTANTS |
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27 _LIT( KIrTransportName,"IrTinyTP" ); |
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28 _LIT8( KClassName,"SYNCML-SYNC" ); |
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29 _LIT( KHostName, "*" ); |
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30 |
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31 _LIT( KIrObexSearcher, "Ir Obex searcher" ); |
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32 const TInt KInvalidStatePanicVal = -1; |
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33 const TInt KDeviceSearchRetries = 10; // amount of tries to find the device |
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34 const TInt KDeviceSearchFirstTry = 1; |
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35 const TInt KDeviceSearchTimeout = 500000; // microseconds |
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36 |
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37 |
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38 // ============================ MEMBER FUNCTIONS =============================== |
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39 |
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40 // ----------------------------------------------------------------------------- |
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41 // CIrDAObexSearcher::CIrDAObexSearcher |
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42 // C++ default constructor can NOT contain any code, that |
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43 // might leave. |
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44 // ----------------------------------------------------------------------------- |
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45 // |
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46 CIrDAObexSearcher::CIrDAObexSearcher() |
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47 : iConnectionRetry( KDeviceSearchFirstTry ) |
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48 { |
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49 } |
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50 |
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51 // ----------------------------------------------------------------------------- |
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52 // CIrDAObexSearcher::ConstructL |
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53 // Symbian 2nd phase constructor can leave. |
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54 // ----------------------------------------------------------------------------- |
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55 // |
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56 void CIrDAObexSearcher::ConstructL() |
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57 { |
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58 BaseConstructL(); |
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59 |
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60 User::LeaveIfError( iSocketServer.Connect() ); |
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61 |
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62 iSocketServer.FindProtocol( KIrTransportName(), iProtocolInfo ); |
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63 |
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64 User::LeaveIfError( iHostResolver.Open( iSocketServer, |
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65 iProtocolInfo.iAddrFamily, iProtocolInfo.iProtocol ) ); |
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66 |
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67 User::LeaveIfError( iSocket.Open( iSocketServer, |
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68 iProtocolInfo.iAddrFamily, iProtocolInfo.iSockType, iProtocolInfo.iProtocol ) ); |
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69 |
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70 TPckgBuf<TUint> buf(1); |
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71 User::LeaveIfError( iSocket.SetOpt( KDiscoverySlotsOpt, KLevelIrlap, buf ) ); |
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72 |
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73 iRetryTimer.CreateLocal(); |
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74 } |
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75 |
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76 // ----------------------------------------------------------------------------- |
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77 // CIrDAObexSearcher::NewL |
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78 // Two-phased constructor. |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 CIrDAObexSearcher* CIrDAObexSearcher::NewL() |
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82 { |
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83 CIrDAObexSearcher* self = new( ELeave ) CIrDAObexSearcher; |
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84 |
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85 CleanupStack::PushL( self ); |
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86 self->ConstructL(); |
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87 CleanupStack::Pop(); |
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88 |
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89 return self; |
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90 } |
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91 |
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92 //---------------------------------------------------------------------------- |
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93 // ~CIrDAObexSearcher() |
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94 //---------------------------------------------------------------------------- |
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95 // |
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96 CIrDAObexSearcher::~CIrDAObexSearcher() |
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97 { |
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98 Cancel(); |
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99 iRetryTimer.Close(); |
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100 iSocket.Close(); |
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101 iHostResolver.Close(); |
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102 iSocketServer.Close(); |
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103 } |
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104 |
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105 //---------------------------------------------------------------------------- |
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106 // CIrDAObexSearcher::RunL() |
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107 //---------------------------------------------------------------------------- |
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108 // |
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109 void CIrDAObexSearcher::RunL() |
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110 { |
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111 TInt err( iStatus.Int() ); |
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112 |
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113 if ( iState != EDeviceSearchTimeout ) |
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114 { |
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115 iInitialErr = err; |
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116 } |
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117 |
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118 if ( err != KErrNone ) |
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119 { |
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120 switch ( iState ) |
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121 { |
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122 case EDeviceSearch: |
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123 { |
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124 if ( iConnectionRetry < KDeviceSearchRetries ) |
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125 { |
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126 // Try again after short pause |
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127 iConnectionRetry++; |
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128 //DBG_ARGS8( "Failed, trying again %d more time(s)", |
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129 // KDeviceSearchRetries - iConnectionRetry ); |
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130 |
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131 iState = EDeviceSearchTimeout; |
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132 |
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133 iRetryTimer.After( iStatus, KDeviceSearchTimeout ); |
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134 SetActive(); |
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135 } |
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136 else |
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137 { |
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138 NotifyDeviceErrorL( iInitialErr ); |
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139 // Reinitialize retry counter |
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140 iConnectionRetry = KDeviceSearchFirstTry; |
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141 } |
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142 break; |
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143 } |
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144 case EDeviceSearchTimeout: |
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145 { |
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146 // We should never end up here, but if we do, continue |
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147 // as if nothing happened. |
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148 SearchDeviceL(); |
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149 break; |
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150 } |
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151 case EServiceSearch: |
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152 { |
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153 NotifyServiceErrorL( iInitialErr ); |
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154 break; |
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155 } |
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156 default: |
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157 { |
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158 User::Panic( KIrObexSearcher, KInvalidStatePanicVal ); |
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159 break; |
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160 } |
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161 } |
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162 } |
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163 else |
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164 { |
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165 switch ( iState ) |
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166 { |
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167 case EDeviceSearch: |
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168 { |
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169 NotifyDeviceFoundL(); |
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170 break; |
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171 } |
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172 case EDeviceSearchTimeout: |
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173 { |
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174 SearchDeviceL(); |
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175 break; |
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176 } |
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177 case EServiceSearch: |
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178 { |
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179 NotifyServiceFoundL(); |
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180 break; |
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181 } |
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182 default: |
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183 { |
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184 User::Panic( KIrObexSearcher, KInvalidStatePanicVal ); |
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185 break; |
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186 } |
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187 |
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188 } |
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189 } |
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190 } |
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191 |
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192 //---------------------------------------------------------------------------- |
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193 // CIrDAObexSearcher::DoCancel() |
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194 //---------------------------------------------------------------------------- |
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195 // |
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196 void CIrDAObexSearcher::DoCancel() |
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197 { |
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198 iRetryTimer.Cancel(); |
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199 } |
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200 |
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201 //---------------------------------------------------------------------------- |
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202 // CIrDAObexSearcher::SearchDeviceL() |
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203 //---------------------------------------------------------------------------- |
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204 // |
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205 void CIrDAObexSearcher::SearchDeviceL() |
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206 { |
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207 //DBG_FILE( "CIrDAObexSearcher::SearchDeviceL()" ); |
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208 |
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209 iState = EDeviceSearch; |
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210 |
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211 iHostResolver.GetByName( KHostName, iLog, iStatus ); // Finds all IrLAP stations. |
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212 SetActive(); |
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213 } |
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214 |
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215 //---------------------------------------------------------------------------- |
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216 // CIrDAObexSearcher::SearchServiceL() |
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217 //---------------------------------------------------------------------------- |
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218 // |
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219 void CIrDAObexSearcher::SearchServiceL() |
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220 { |
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221 //DBG_FILE( "CIrDAObexSearcher::SearchServiceL()" ); |
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222 |
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223 //Just simulate successful service search. |
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224 //This function could be advanced by executing |
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225 //IAS-queries to remote phone and deciding |
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226 //the success of SearchServiceL depending on the |
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227 //responses of the IAS queries. |
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228 iState = EServiceSearch; |
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229 TRequestStatus* status = &iStatus; |
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230 User::RequestComplete( status, KErrNone ); |
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231 SetActive(); |
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232 } |
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233 |
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234 //---------------------------------------------------------------------------- |
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235 // CIrDAObexSearcher::CreateObexClientL() |
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236 //---------------------------------------------------------------------------- |
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237 // |
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238 CObexClient* CIrDAObexSearcher::CreateObexClientL() |
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239 { |
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240 //DBG_FILE( "CIrDAObexSearcher::CreateObexClientL()" ); |
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241 |
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242 TObexIrProtocolInfo pInfo; |
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243 pInfo.iTransport.Copy( KIrTransportName ); |
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244 |
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245 if( iRetryConn ) |
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246 { |
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247 // ISA device |
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248 pInfo.iClassName.Copy( _L("OBEX") ); |
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249 } |
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250 else |
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251 { |
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252 pInfo.iClassName.Copy( KClassName ); |
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253 iRetryConn = ETrue; |
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254 } |
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255 |
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256 pInfo.iAttributeName.Copy( _L8("IrDA:TinyTP:LsapSel") ); |
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257 pInfo.iAddr = iLog().iAddr; |
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258 |
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259 CObexClient* client = CObexClient::NewL( pInfo ); |
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260 return client; |
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261 } |
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262 |
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263 |
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264 // End of File |