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1 /** @file |
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2 * Copyright (c) 2005-2006 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: Implementation of CUpnpSymbianServerBase |
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15 * |
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16 */ |
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17 |
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18 #include <upnpsymbianserverbase.h> |
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19 #include "upnpuheapmark.h" |
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20 #include "upnpcustomlog.h" |
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21 |
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22 #include <ecom/ecom.h> |
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23 |
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24 const TInt KUpnpSymbianServerShutdownInterval = 2000000; |
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25 |
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26 // ----------------------------------------------------------------------------- |
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27 // CUpnpSymbianServerBase::StartServerL |
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28 // Create and start the server. |
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29 // ----------------------------------------------------------------------------- |
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30 // |
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31 void CUpnpSymbianServerBase::StartServerL( const TDesC& aThreadName, |
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32 TServerFactoryMethodLC aServerFactoryMethodLC ) |
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33 { |
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34 User::LeaveIfError( User::RenameThread( aThreadName ) ); |
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35 // Construct active scheduler |
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36 CActiveScheduler* activeScheduler = new( ELeave ) CActiveScheduler; |
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37 CleanupStack::PushL( activeScheduler ); |
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38 |
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39 // Install active scheduler |
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40 // We don't need to check whether an active scheduler is already installed |
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41 // as this is a new thread, so there won't be one |
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42 CActiveScheduler::Install( activeScheduler ); |
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43 |
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44 // Construct our server |
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45 CUpnpSymbianServerBase* serverObject = aServerFactoryMethodLC(); |
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46 LOGS( "UpnpSymbianServer *** Ready to accept connections" ); |
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47 |
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48 RProcess::Rendezvous( KErrNone ); |
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49 |
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50 // Start handling requests |
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51 CActiveScheduler::Start(); |
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52 |
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53 LOGS( "UpnpSymbianServer *** Active scheduler stopped" ); |
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54 LOGS( "UpnpSymbianServer *** Prepared for shutdown" ); |
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55 |
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56 CleanupStack::PopAndDestroy( serverObject ); |
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57 REComSession::FinalClose(); |
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58 CleanupStack::PopAndDestroy( activeScheduler ); |
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59 LOGS( "UpnpSymbianServer *** Shutdown complete" ); |
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60 } |
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61 |
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62 // ----------------------------------------------------------------------------- |
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63 // CUpnpSymbianServerBase::StartServer |
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64 // Create and start the server. |
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65 // ----------------------------------------------------------------------------- |
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66 // |
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67 EXPORT_C TInt CUpnpSymbianServerBase::StartServer( const TDesC& aThreadName, |
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68 TServerFactoryMethodLC aServerFactoryMethodLC ) |
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69 { |
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70 __UPNP_UHEAP_MARK; |
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71 |
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72 CTrapCleanup* cleanupStack = CTrapCleanup::New(); |
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73 if ( !( cleanupStack ) ) |
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74 { |
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75 User::Panic( aThreadName, ECreateTrapCleanup ); |
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76 } |
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77 |
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78 TRAPD( err, StartServerL( aThreadName, aServerFactoryMethodLC) ); |
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79 if ( err != KErrNone ) |
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80 { |
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81 //there's no need to panic server |
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82 //f.e. KErrAlreadyExist is valid in case of simultanous start |
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83 } |
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84 |
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85 delete cleanupStack; |
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86 cleanupStack = NULL; |
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87 |
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88 __UPNP_UHEAP_MARKEND; |
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89 return err; |
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90 } |
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91 |
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92 // ----------------------------------------------------------------------------- |
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93 // CUpnpSymbianServerBase::CUpnpSymbianServerBase |
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94 // Constructor. |
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95 // ----------------------------------------------------------------------------- |
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96 // |
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97 EXPORT_C CUpnpSymbianServerBase::CUpnpSymbianServerBase() |
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98 : CServer2( EPriorityNormal ) |
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99 { |
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100 } |
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101 |
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102 // ----------------------------------------------------------------------------- |
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103 // CUpnpSymbianServerBase::~CUpnpSymbianServerBase |
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104 // Destructor. |
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105 // ----------------------------------------------------------------------------- |
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106 // |
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107 EXPORT_C CUpnpSymbianServerBase::~CUpnpSymbianServerBase() |
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108 { |
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109 delete iShutdownTimer; |
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110 } |
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111 |
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112 // ----------------------------------------------------------------------------- |
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113 // CUpnpSymbianServerBase::BaseConstructL |
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114 // Second phase base constructor. It must be called by derived class. |
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115 // ----------------------------------------------------------------------------- |
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116 // |
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117 EXPORT_C void CUpnpSymbianServerBase::BaseConstructL() |
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118 { |
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119 StartL( ServerName() ); |
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120 iShutdownTimer = CUpnpNotifyTimer::NewL( this ); |
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121 SuggestShutdown(); |
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122 } |
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123 |
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124 // ----------------------------------------------------------------------------- |
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125 // CUpnpSymbianServerBase::PanicClient |
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126 // Panic client. |
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127 // ----------------------------------------------------------------------------- |
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128 // |
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129 EXPORT_C void CUpnpSymbianServerBase::PanicClient( |
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130 const RMessage2& aMessage, TInt aPanic ) const |
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131 { |
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132 LOG_FUNC_NAME; |
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133 aMessage.Panic( ServerName(), aPanic ); |
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134 } |
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135 |
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136 // ----------------------------------------------------------------------------- |
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137 // CUpnpSymbianServerBase::PanicServer |
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138 // Panic server. |
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139 // ----------------------------------------------------------------------------- |
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140 // |
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141 EXPORT_C void CUpnpSymbianServerBase::PanicServer( TInt aPanic ) const |
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142 { |
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143 User::Panic( ServerName(), aPanic ); |
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144 } |
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145 |
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146 // ----------------------------------------------------------------------------- |
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147 // CUpnpSymbianServerBase::IncrementSessionCount |
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148 // Increment sessions. |
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149 // ----------------------------------------------------------------------------- |
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150 // |
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151 void CUpnpSymbianServerBase::IncrementSessionCount() |
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152 { |
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153 LOG_FUNC_NAME; |
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154 iSessionCount++; |
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155 iShutdownTimer->Cancel(); |
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156 } |
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157 |
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158 // ----------------------------------------------------------------------------- |
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159 // CUpnpSymbianServerBase::DecrementSessions |
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160 // Decrement sessions. |
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161 // ----------------------------------------------------------------------------- |
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162 // |
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163 void CUpnpSymbianServerBase::DecrementSessionCount() |
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164 { |
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165 LOG_FUNC_NAME; |
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166 iSessionCount--; |
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167 ASSERT( iSessionCount >= 0 ); |
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168 SuggestShutdown(); |
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169 } |
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170 |
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171 // ----------------------------------------------------------------------------- |
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172 // CUpnpSymbianServerBase::SuggestShutdown |
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173 // Checks every stop condidion and starts closing server timeout if all of them |
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174 // are fulfilled. |
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175 // ----------------------------------------------------------------------------- |
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176 // |
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177 EXPORT_C void CUpnpSymbianServerBase::SuggestShutdown() |
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178 { |
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179 if ( (iSessionCount <= 0) && CanBeStopped() ) |
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180 { |
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181 iShutdownTimer->Start( KUpnpSymbianServerShutdownInterval ); |
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182 } |
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183 } |
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184 // ----------------------------------------------------------------------------- |
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185 // CUpnpSymbianServerBase::TimerEventL |
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186 // End of shutdown timer event |
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187 // ----------------------------------------------------------------------------- |
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188 // |
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189 EXPORT_C void CUpnpSymbianServerBase::TimerEventL( CUpnpNotifyTimer* aTimer ) |
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190 { |
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191 ASSERT( iShutdownTimer == aTimer ); |
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192 ASSERT( (iSessionCount <= 0) && CanBeStopped() ); |
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193 CActiveScheduler::Stop(); |
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194 } |
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195 |
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196 // ----------------------------------------------------------------------------- |
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197 // CUpnpSymbianServerBase::RunL |
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198 // Invoked when server receives message. |
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199 // ----------------------------------------------------------------------------- |
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200 // |
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201 EXPORT_C void CUpnpSymbianServerBase::RunL() |
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202 { |
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203 switch( Message().Function() ) |
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204 { |
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205 case RMessage2::EConnect: |
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206 IncrementSessionCount(); |
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207 break; |
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208 case RMessage2::EDisConnect: |
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209 DecrementSessionCount(); |
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210 break; |
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211 } |
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212 CServer2::RunL(); |
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213 } |
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214 |
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215 // ----------------------------------------------------------------------------- |
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216 // CUpnpSymbianServerBase::RunError |
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217 // RunError is called when RunL leaves. |
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218 // ----------------------------------------------------------------------------- |
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219 // |
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220 EXPORT_C TInt CUpnpSymbianServerBase::RunError( TInt aError ) |
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221 { |
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222 LOG_FUNC_NAME; |
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223 if ( aError == KErrBadDescriptor ) |
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224 { |
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225 // A bad descriptor error implies a badly programmed client, so panic it; |
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226 // otherwise report the error to the client |
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227 LOGS( "RunError - BadClient" ); |
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228 PanicClient( Message(), EBadDescriptor ); |
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229 } |
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230 else if ( aError != KErrCorrupt ) |
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231 { |
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232 LOGS( "RunError - Faulty Message" ); |
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233 if ( !Message().IsNull() ) |
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234 { |
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235 Message().Complete( aError ); |
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236 } |
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237 } |
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238 |
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239 // The leave will result in an early return from CServer::RunL(), skipping |
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240 // the call to request another message. So do that now in order to keep the |
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241 // server running. |
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242 ReStart(); |
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243 |
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244 // Handled the error fully |
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245 return KErrNone; |
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246 } |
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247 |
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248 // ----------------------------------------------------------------------------- |
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249 // CUpnpSymbianServerBase::NewSessionL |
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250 // Create new session or leaves with KErrNotSupported if version is unsupported. |
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251 // ----------------------------------------------------------------------------- |
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252 // |
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253 EXPORT_C CSession2* CUpnpSymbianServerBase::NewSessionL( |
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254 const TVersion& aVersion, const RMessage2& aMessage ) const |
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255 { |
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256 LOG_FUNC_NAME; |
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257 // Check we're the right version |
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258 if ( !User::QueryVersionSupported( SupportedVersion(), aVersion ) ) |
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259 { |
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260 User::Leave( KErrNotSupported ); |
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261 } |
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262 return NewSessionL( aMessage ); |
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263 } |
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264 |
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265 // ----------------------------------------------------------------------------- |
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266 // CUpnpSymbianServerBase::CanBeStopped |
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267 // Default implementation for transient servers - no additional stopping conditions |
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268 // ----------------------------------------------------------------------------- |
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269 // |
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270 EXPORT_C TBool CUpnpSymbianServerBase::CanBeStopped() const |
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271 { |
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272 return ETrue; |
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273 } |
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274 |
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275 // End Of File |