1 /* |
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2 * Copyright (c) 2010 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: Server class for handling commands from clients, and the |
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15 * central class in btnotif thread. |
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16 * |
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17 */ |
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18 |
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19 #include "btnotifserver.h" |
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20 #include <btservices/btdevrepository.h> |
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21 #include "btnotifsession.h" |
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22 #include "btnotifconnectiontracker.h" |
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23 #include "btnotifsettingstracker.h" |
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24 #include "btnotificationmanager.h" |
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25 #include "btnotifdeviceselector.h" |
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26 #include "btnotifserversecpolicy.h" |
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27 #include "btnotifclientserver.h" |
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28 |
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29 /** Panic category */ |
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30 _LIT( KBTNotifPanic, "BTNotif panic" ); |
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31 |
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32 /** Timeout (10 sec) for shutting down the server |
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33 * (when BT power is off and no clients connected). */ |
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34 const TInt KBTNtoifShutdownTimeout = 10 * 1000 * 1000; |
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35 |
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36 // ======== LOCAL FUNCTIONS ======== |
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37 |
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38 // --------------------------------------------------------------------------- |
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39 // Start the server. |
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40 // --------------------------------------------------------------------------- |
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41 // |
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42 static void RunServerL() |
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43 { |
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44 BOstraceFunctionEntry0( DUMMY_DEVLIST ); |
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45 |
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46 (void) User::RenameThread( KBTNotifServerName ); |
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47 // Create and install the active scheduler for this thread. |
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48 CActiveScheduler* scheduler = new( ELeave ) CActiveScheduler(); |
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49 CleanupStack::PushL( scheduler ); |
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50 CActiveScheduler::Install( scheduler ); |
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51 // create the server (and leave it on the cleanup stack) |
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52 CBTNotifServer* notifServer = CBTNotifServer::NewLC(); |
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53 // Initialisation complete, now signal the client |
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54 RProcess::Rendezvous( KErrNone ); |
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55 // The server is now up and running. |
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56 BOstrace0( TRACE_NORMAL, DUMMY_DEVLIST, "[BTNOTIF]\t BTNotif server now up and running" ); |
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57 // The active scheduler runs during the lifetime of this thread. |
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58 CActiveScheduler::Start(); |
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59 // Stopping the active scheduler means terminating the thread. |
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60 // Cleanup the server and scheduler. |
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61 CleanupStack::PopAndDestroy( notifServer ); |
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62 CleanupStack::PopAndDestroy( scheduler ); |
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63 BOstraceFunctionExit0( DUMMY_DEVLIST ); |
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64 } |
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65 |
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66 // --------------------------------------------------------------------------- |
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67 // Panic the server. |
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68 // --------------------------------------------------------------------------- |
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69 // |
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70 void PanicServer( TInt aReason ) |
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71 { |
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72 User::Panic( KBTNotifPanic, aReason ); |
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73 } |
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74 |
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75 // --------------------------------------------------------------------------- |
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76 // Panic the client through the client-side message. |
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77 // --------------------------------------------------------------------------- |
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78 // |
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79 void PanicClient( const RMessage2& aMessage, TInt aReason ) |
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80 { |
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81 aMessage.Panic( KBTNotifPanic, aReason ); |
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82 } |
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83 |
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84 // ======== MEMBER FUNCTIONS ======== |
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85 |
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86 // --------------------------------------------------------------------------- |
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87 // C++ default constructor |
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88 // --------------------------------------------------------------------------- |
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89 // |
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90 CBTNotifServer::CBTNotifServer() |
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91 : CPolicyServer( EPriorityUserInput, KBTNotifServerPolicy ) |
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92 { |
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93 } |
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94 |
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95 // --------------------------------------------------------------------------- |
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96 // Symbian 2nd-phase constructor |
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97 // --------------------------------------------------------------------------- |
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98 // |
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99 void CBTNotifServer::ConstructL() |
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100 { |
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101 // Add the server to the active scheduler (from CServer2): |
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102 StartL( KBTNotifServerName ); |
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103 iAsyncCb = new( ELeave ) CAsyncCallBack( EPriorityHigh ); |
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104 TCallBack cb( AsyncConstructCb, this ); |
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105 iAsyncCb->Set( cb ); |
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106 iAsyncCb->CallBack(); |
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107 } |
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108 |
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109 // --------------------------------------------------------------------------- |
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110 // Asynchronous 3rd-phase constructor |
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111 // --------------------------------------------------------------------------- |
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112 // |
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113 void CBTNotifServer::AsyncConstructL() |
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114 { |
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115 // The server class owns this registry object and provides it |
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116 // as a singleton in the whole server process. |
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117 // Server itself does not handle any registry events. |
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118 // Classes that want to receive these events must register |
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119 // observers via CBtDevRepository interface. |
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120 iDevRep = CBtDevRepository::NewL(); |
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121 iNotificationMgr = CBTNotificationManager::NewL( this ); |
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122 iSettingsTracker = CBTNotifSettingsTracker::NewL( this ); |
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123 iConnectionTracker = CBTNotifConnectionTracker::NewL( this ); |
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124 iTimer = CDeltaTimer::NewL(CActive::EPriorityLow); |
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125 TCallBack shutdownCb( ShutdownTimeout, this ); |
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126 iShutdownTimerEntry.Set( shutdownCb ); |
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127 } |
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128 |
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129 // --------------------------------------------------------------------------- |
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130 // Callback for asynchronous construction. |
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131 // --------------------------------------------------------------------------- |
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132 // |
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133 TInt CBTNotifServer::AsyncConstructCb( TAny* aPtr ) |
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134 { |
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135 TRAPD( err, ( (CBTNotifServer*) aPtr )->AsyncConstructL() ); |
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136 return err; |
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137 } |
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138 |
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139 |
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140 // --------------------------------------------------------------------------- |
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141 // NewLC. |
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142 // --------------------------------------------------------------------------- |
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143 // |
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144 CBTNotifServer* CBTNotifServer::NewLC() |
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145 { |
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146 CBTNotifServer* self = new( ELeave ) CBTNotifServer(); |
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147 CleanupStack::PushL( self ); |
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148 self->ConstructL(); |
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149 return self; |
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150 } |
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151 |
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152 |
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153 // --------------------------------------------------------------------------- |
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154 // Destructor |
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155 // --------------------------------------------------------------------------- |
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156 // |
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157 CBTNotifServer::~CBTNotifServer() |
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158 { |
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159 delete iDevSelector; |
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160 delete iSettingsTracker; |
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161 delete iConnectionTracker; |
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162 delete iNotificationMgr; |
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163 delete iAsyncCb; |
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164 delete iTimer; |
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165 delete iDevRep; |
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166 } |
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167 |
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168 // --------------------------------------------------------------------------- |
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169 // Handle a change in BT power state. |
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170 // --------------------------------------------------------------------------- |
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171 // |
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172 void CBTNotifServer::HandlePowerStateChangeL( TBTPowerStateValue aState ) |
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173 { |
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174 CheckIdle( aState ); |
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175 } |
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176 |
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177 // --------------------------------------------------------------------------- |
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178 // Increase the session count. |
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179 // --------------------------------------------------------------------------- |
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180 // |
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181 void CBTNotifServer::AddSession() |
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182 { |
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183 ++iSessionCount; |
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184 iTimer->Remove( iShutdownTimerEntry ); |
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185 } |
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186 |
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187 |
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188 // --------------------------------------------------------------------------- |
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189 // Decrease the session count. |
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190 // --------------------------------------------------------------------------- |
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191 // |
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192 void CBTNotifServer::RemoveSession() |
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193 { |
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194 if ( iSessionCount > 0 ) |
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195 { |
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196 // session counter can't be less than 0 |
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197 --iSessionCount; |
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198 } |
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199 CheckIdle( iSettingsTracker->GetPowerState() ); |
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200 } |
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201 |
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202 // --------------------------------------------------------------------------- |
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203 // get the singleton instance of device repository |
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204 // --------------------------------------------------------------------------- |
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205 // |
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206 CBtDevRepository& CBTNotifServer::DevRepository() |
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207 { |
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208 return *iDevRep; |
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209 } |
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210 |
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211 // --------------------------------------------------------------------------- |
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212 // get the singleton instance of device search notifier |
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213 // --------------------------------------------------------------------------- |
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214 // |
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215 CBTNotifDeviceSelector& CBTNotifServer::DeviceSelectorL() |
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216 { |
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217 if ( ! iDevSelector ) |
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218 { |
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219 iDevSelector = CBTNotifDeviceSelector::NewL( *this ); |
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220 } |
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221 return *iDevSelector; |
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222 } |
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223 |
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224 // --------------------------------------------------------------------------- |
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225 // From class CPolicyServer. |
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226 // Create a new session object. |
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227 // --------------------------------------------------------------------------- |
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228 // |
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229 CSession2* CBTNotifServer::NewSessionL( const TVersion& aVersion, |
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230 const RMessage2& aMessage ) const |
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231 { |
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232 (void) aMessage; |
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233 // Compare our version with client-side version, CServer2 requires that |
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234 // we leave if they are not compatible. |
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235 TVersion srvVersion( KBTNotifServerVersionMajor, KBTNotifServerVersionMinor, |
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236 KBTNotifServerVersionBuild ); |
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237 |
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238 if( !User::QueryVersionSupported( aVersion, srvVersion ) ) |
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239 { |
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240 // EFalse is returned if our version is not less than or |
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241 // equal to the client version. |
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242 User::Leave( KErrNotSupported ); |
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243 } |
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244 return CBTNotifSession::NewL(); |
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245 } |
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246 |
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247 void CBTNotifServer::CheckIdle( TBTPowerStateValue aState ) |
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248 { |
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249 // In special scenarios, we do not have to remove the timer and queue it |
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250 // again, but these scenarios rarely happen in end-user use cases. |
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251 iTimer->Remove( iShutdownTimerEntry ); |
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252 if ( iSessionCount == 0 && aState == EBTPowerOff ) |
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253 { |
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254 // BT power is off, start the shutdown timer. |
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255 TTimeIntervalMicroSeconds32 interval = KBTNtoifShutdownTimeout; |
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256 iTimer->Queue( interval, iShutdownTimerEntry ); |
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257 } |
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258 } |
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259 |
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260 TInt CBTNotifServer::ShutdownTimeout( TAny* aPtr ) |
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261 { |
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262 (void) aPtr; |
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263 CActiveScheduler::Stop(); |
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264 return KErrNone; |
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265 } |
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266 |
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267 // ======== GLOBAL FUNCTIONS ======== |
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268 |
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269 // --------------------------------------------------------------------------- |
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270 // Main function of the executable. |
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271 // --------------------------------------------------------------------------- |
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272 // |
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273 GLDEF_C TInt E32Main() |
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274 { |
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275 // Disabled until memory leak in QT/Open C are fixed |
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276 // __UHEAP_MARK; |
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277 CTrapCleanup* cleanup = CTrapCleanup::New(); |
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278 TInt err = KErrNoMemory; |
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279 if ( cleanup ) |
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280 { |
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281 TRAP( err, RunServerL() ); |
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282 delete cleanup; |
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283 } |
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284 // Disabled until memory leak in QT/Open C are fixed |
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285 // __UHEAP_MARKEND; |
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286 return err; |
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287 } |
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288 |
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289 |
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