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1 /* |
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2 * Copyright (c) 2006-2008 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: DUN Infrared plugin |
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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 #include "DunIrPlugin.h" |
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20 #include "DunUtils.h" |
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21 #include "DunDebug.h" |
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22 |
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23 _LIT( KIrdaCsy, "IRCOMM" ); |
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24 _LIT( KIrdaCsy0, "IRCOMM::0" ); |
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25 _LIT( KIrChannelName, "DUNIR::0" ); |
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26 |
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27 // ======== MEMBER FUNCTIONS ======== |
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28 |
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29 // --------------------------------------------------------------------------- |
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30 // CDunIrPlugin::CDunIrPlugin |
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31 // --------------------------------------------------------------------------- |
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32 // |
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33 CDunIrPlugin::CDunIrPlugin() : |
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34 iServer( NULL ), |
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35 iTransporter( NULL ) |
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36 { |
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37 } |
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38 |
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39 // --------------------------------------------------------------------------- |
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40 // Destructor. |
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41 // --------------------------------------------------------------------------- |
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42 // |
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43 CDunIrPlugin::~CDunIrPlugin() |
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44 { |
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45 FTRACE(FPrint( _L( "CDunIrPlugin::~CDunIrPlugin()" ) )); |
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46 Uninitialize(); |
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47 FTRACE(FPrint( _L( "CDunIrPlugin::~CDunIrPlugin() complete" ) )); |
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48 } |
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49 |
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50 // --------------------------------------------------------------------------- |
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51 // Gets state of this plugin |
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52 // --------------------------------------------------------------------------- |
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53 // |
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54 TDunPluginState CDunIrPlugin::PluginState() |
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55 { |
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56 return iServer->GetPluginStateByUid( KDunIrPluginUid ); |
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57 } |
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58 |
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59 // --------------------------------------------------------------------------- |
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60 // Constructs a listener object for this plugin |
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61 // --------------------------------------------------------------------------- |
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62 // |
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63 TInt CDunIrPlugin::ConstructListener() |
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64 { |
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65 FTRACE(FPrint(_L("CDunIrPlugin::ConstructListenerL()"))); |
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66 if ( PluginState() != EDunStateLoaded ) |
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67 { |
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68 FTRACE(FPrint(_L("CDunIrPlugin::ConstructListenerL() (not ready) complete"))); |
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69 return KErrNotReady; |
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70 } |
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71 ReportStateChangeUp( EDunStateTryListen ); |
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72 TInt retTemp = InitPort(); |
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73 if ( retTemp != KErrNone ) |
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74 { |
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75 FTRACE(FPrint(_L("CDunIrPlugin::ConstructListenerL() (ERROR) complete"))); |
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76 return retTemp; |
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77 } |
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78 ReportStateChangeUp( EDunStateListening ); |
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79 ReportStateChangeUp( EDunStateTryChannel ); |
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80 TRAPD( retTrap, AllocateChannelL() ); |
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81 if ( retTrap != KErrNone ) |
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82 { |
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83 iTransporter->FreeChannel( &iIrPort ); |
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84 FTRACE(FPrint(_L("CDunIrPlugin::ConstructListenerL() (trapped!) complete"))); |
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85 return retTrap; |
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86 } |
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87 ReportStateChangeUp( EDunStateChanneled ); |
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88 FTRACE(FPrint(_L("CDunIrPlugin::ConstructListenerL() complete"))); |
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89 return KErrNone; |
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90 } |
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91 |
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92 // --------------------------------------------------------------------------- |
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93 // Sets new state |
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94 // New state must be one more than the old state |
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95 // --------------------------------------------------------------------------- |
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96 // |
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97 TInt CDunIrPlugin::ReportStateChangeUp( TDunPluginState aPluginState ) |
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98 { |
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99 FTRACE(FPrint(_L("CDunIrPlugin::ReportStateChangeUp()"))); |
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100 TInt retTemp = iServer->NotifyPluginStateChangeUp( aPluginState, |
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101 KDunIrPluginUid ); |
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102 if ( retTemp != KErrNone ) |
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103 { |
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104 FTRACE(FPrint(_L("CDunIrPlugin::ReportStateChangeUp() (ERROR) complete"))); |
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105 return retTemp; |
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106 } |
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107 FTRACE(FPrint(_L("CDunIrPlugin::ReportStateChangeUp() complete"))); |
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108 return KErrNone; |
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109 } |
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110 |
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111 // --------------------------------------------------------------------------- |
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112 // Sets new state |
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113 // New state must be one less than the old state |
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114 // --------------------------------------------------------------------------- |
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115 // |
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116 TInt CDunIrPlugin::ReportStateChangeDown( TDunPluginState aPluginState ) |
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117 { |
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118 FTRACE(FPrint(_L("CDunIrPlugin::ReportStateChangeDown()"))); |
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119 TInt retTemp = iServer->NotifyPluginStateChangeDown( aPluginState, |
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120 KDunIrPluginUid ); |
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121 if ( retTemp != KErrNone ) |
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122 { |
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123 FTRACE(FPrint(_L("CDunIrPlugin::ReportStateChangeDown() (ERROR) complete"))); |
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124 return retTemp; |
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125 } |
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126 FTRACE(FPrint(_L("CDunIrPlugin::ReportStateChangeDown() complete"))); |
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127 return KErrNone; |
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128 } |
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129 |
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130 // --------------------------------------------------------------------------- |
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131 // Initializes one infrared port with role DCE |
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132 // --------------------------------------------------------------------------- |
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133 // |
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134 TInt CDunIrPlugin::InitPort() |
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135 { |
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136 FTRACE(FPrint( _L( "CDunIrPlugin::InitPort()" ) )); |
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137 TInt retTemp; |
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138 retTemp = CDunUtils::ConnectCommsServer( iCommServer ); |
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139 if ( retTemp != KErrNone ) |
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140 { |
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141 FTRACE(FPrint( _L( "CDunIrPlugin::InitPort() (ERROR) complete" ) )); |
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142 return retTemp; |
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143 } |
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144 retTemp = iCommServer.LoadCommModule( KIrdaCsy ); |
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145 if ( retTemp != KErrNone ) |
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146 { |
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147 FTRACE(FPrint(_L("CDunIrPlugin::InitPort() (load module) failed!") )); |
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148 return retTemp; |
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149 } |
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150 if ( iIrPort.SubSessionHandle() ) |
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151 { |
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152 FTRACE(FPrint(_L("CDunIrPlugin::InitPort (already exists!) complete") )); |
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153 return KErrAlreadyExists; |
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154 } |
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155 retTemp = iIrPort.Open( iCommServer, |
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156 KIrdaCsy0, |
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157 ECommExclusive, |
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158 ECommRoleDCE ); |
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159 if ( retTemp != KErrNone ) |
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160 { |
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161 FTRACE(FPrint(_L("CDunIrPlugin::InitPort() (open) failed!") )); |
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162 return retTemp; |
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163 } |
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164 return KErrNone; |
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165 } |
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166 |
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167 // --------------------------------------------------------------------------- |
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168 // Allocates a channel |
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169 // --------------------------------------------------------------------------- |
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170 // |
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171 void CDunIrPlugin::AllocateChannelL() |
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172 { |
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173 FTRACE(FPrint(_L("CDunIrPlugin::AllocateChannelL()"))); |
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174 HBufC8* channelName = HBufC8::NewMaxLC( KIrChannelName().Length() ); |
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175 TPtr8 channelNamePtr = channelName->Des(); |
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176 channelNamePtr.Copy( KIrChannelName ); |
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177 iTransporter->AllocateChannelL( &iIrPort, |
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178 KDunIrPluginUid, |
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179 channelNamePtr, |
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180 ETrue ); |
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181 iTransporter->AddConnMonCallbackL( &iIrPort, |
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182 this, |
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183 EDunReaderUpstream, |
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184 EFalse ); |
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185 iTransporter->AddConnMonCallbackL( &iIrPort, |
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186 this, |
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187 EDunWriterUpstream, |
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188 EFalse ); |
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189 iTransporter->AddConnMonCallbackL( &iIrPort, |
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190 this, |
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191 EDunReaderDownstream, |
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192 EFalse ); |
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193 iTransporter->AddConnMonCallbackL( &iIrPort, |
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194 this, |
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195 EDunWriterDownstream, |
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196 EFalse ); |
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197 iTransporter->IssueTransferRequestsL( &iIrPort ); |
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198 CleanupStack::PopAndDestroy( channelName ); |
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199 FTRACE(FPrint(_L("CDunIrPlugin::AllocateChannelL() complete"))); |
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200 } |
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201 |
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202 // --------------------------------------------------------------------------- |
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203 // Uninitializes this plugin |
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204 // --------------------------------------------------------------------------- |
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205 // |
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206 TInt CDunIrPlugin::Uninitialize() |
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207 { |
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208 FTRACE(FPrint(_L("CDunIrPlugin::Uninitialize()" ))); |
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209 ReportStateChangeDown( EDunStateTryUninitialize ); |
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210 if ( iIrPort.SubSessionHandle() ) |
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211 { |
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212 iTransporter->FreeChannel( &iIrPort ); |
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213 iIrPort.SetSignals( 0, KSignalDCEOutputs ); |
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214 iIrPort.Close(); |
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215 } |
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216 if ( iCommServer.Handle() ) |
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217 { |
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218 iCommServer.UnloadCommModule( KIrdaCsy ); |
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219 iCommServer.Close(); |
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220 } |
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221 ReportStateChangeUp( EDunStateUninitialized ); |
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222 ReportStateChangeUp( EDunStateTryLoad ); |
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223 ReportStateChangeUp( EDunStateLoaded ); |
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224 FTRACE(FPrint(_L("CDunIrPlugin::Uninitialize() complete" ))); |
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225 return KErrNone; |
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226 } |
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227 |
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228 // --------------------------------------------------------------------------- |
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229 // From class MDunLocalMediaPlugin. |
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230 // CDunIrPlugin::ConstructL |
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231 // --------------------------------------------------------------------------- |
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232 // |
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233 void CDunIrPlugin::ConstructL( MDunServerCallback* aServer, |
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234 CDunTransporter* aTransporter ) |
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235 { |
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236 FTRACE(FPrint(_L("CDunIrPlugin::ConstructL()"))); |
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237 if ( !aServer || !aTransporter ) |
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238 { |
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239 FTRACE(FPrint(_L("CDunIrPlugin::ConstructL() not initialized!"))); |
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240 User::Leave( KErrGeneral ); |
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241 } |
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242 iServer = aServer; |
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243 iTransporter = aTransporter; |
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244 FTRACE(FPrint(_L("CDunIrPlugin::ConstructL() complete"))); |
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245 } |
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246 |
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247 // --------------------------------------------------------------------------- |
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248 // From class MDunLocalMediaPlugin. |
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249 // Gets called when server changes a plugin's state |
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250 // --------------------------------------------------------------------------- |
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251 // |
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252 TInt CDunIrPlugin::NotifyServerStateChange( TDunPluginState aPluginState ) |
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253 { |
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254 FTRACE(FPrint(_L("CDunIrPlugin::NotifyServerStateChange()"))); |
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255 TInt retTemp; |
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256 switch ( aPluginState ) |
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257 { |
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258 case EDunStateTryListen: |
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259 if ( PluginState() != EDunStateLoaded ) |
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260 { |
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261 FTRACE(FPrint(_L("CDunIrPlugin::NotifyServerStateChange() (not ready) complete"))); |
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262 return KErrNotReady; |
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263 } |
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264 // Change to listening mode |
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265 retTemp = ConstructListener(); |
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266 if ( retTemp != KErrNone ) |
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267 { |
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268 FTRACE(FPrint(_L("CDunIrPlugin::NotifyServerStateChange() (ERROR) complete (%d)"), retTemp)); |
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269 return retTemp; |
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270 } |
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271 break; |
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272 case EDunStateTryUninitialize: |
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273 if ( PluginState() == EDunStateUninitialized ) |
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274 { |
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275 FTRACE(FPrint(_L("CDunIrPlugin::NotifyServerStateChange() (not ready) complete"))); |
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276 return KErrNotReady; |
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277 } |
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278 // Uninitialize |
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279 retTemp = Uninitialize(); |
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280 if ( retTemp != KErrNone ) |
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281 { |
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282 FTRACE(FPrint(_L("CDunIrPlugin::NotifyServerStateChange() (ERROR) complete (%d)"), retTemp)); |
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283 return retTemp; |
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284 } |
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285 break; |
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286 default: |
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287 FTRACE(FPrint(_L("CDunIrPlugin::NotifyServerStateChange() (unknown state) complete"))); |
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288 return KErrNotSupported; |
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289 } |
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290 FTRACE(FPrint(_L("CDunIrPlugin::NotifyServerStateChange() complete"))); |
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291 return KErrNone; |
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292 } |
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293 |
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294 // --------------------------------------------------------------------------- |
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295 // From class MDunLocalMediaPlugin. |
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296 // Gets called when server needs to know the active connection |
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297 // --------------------------------------------------------------------------- |
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298 // |
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299 TConnId CDunIrPlugin::ActiveConnection() |
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300 { |
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301 FTRACE(FPrint(_L("CDunIrPlugin::ActiveConnection()"))); |
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302 FTRACE(FPrint(_L("CDunIrPlugin::ActiveConnection() (not found) complete"))); |
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303 return NULL; |
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304 } |
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305 |
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306 // --------------------------------------------------------------------------- |
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307 // From class MDunConnMon. |
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308 // Gets called when line status changes or when any type of error is detected |
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309 // --------------------------------------------------------------------------- |
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310 // |
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311 void CDunIrPlugin::NotifyProgressChangeL( |
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312 TConnId aConnId, |
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313 TDunConnectionReason /*aConnReason*/ ) |
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314 { |
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315 FTRACE(FPrint( _L( "CDunIrPlugin::NotifyProgressChangeL()" ) )); |
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316 RComm* irConn = static_cast<RComm*>( aConnId ); |
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317 if ( &iIrPort != irConn ) |
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318 { |
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319 FTRACE(FPrint( _L( "CDunIrPlugin::NotifyProgressChangeL() (not found) complete")) ); |
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320 User::Leave( KErrNotFound ); |
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321 } |
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322 // Now indications are down indications from local media side |
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323 FTRACE(FPrint( _L( "CDunIrPlugin::NotifyProgressChangeL() restart plugin" ) )); |
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324 iServer->NotifyPluginRestart( KDunIrPluginUid ); |
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325 FTRACE(FPrint( _L( "CDunIrPlugin::NotifyProgressChangeL() complete")) ); |
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326 } |
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327 |
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328 // ======== GLOBAL FUNCTIONS ======== |
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329 |
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330 // --------------------------------------------------------------------------- |
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331 // NewLocalPluginL implements factory construction for |
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332 // the class CDunIrPlugin. |
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333 // The function is exported at ordinal 1. |
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334 // Returns: Pointer: The new instance of CDunIrPlugin |
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335 // --------------------------------------------------------------------------- |
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336 // |
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337 EXPORT_C MDunLocalMediaPlugin* NewLocalPluginL() |
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338 { |
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339 return new (ELeave) CDunIrPlugin; |
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340 } |