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1 /* |
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2 * Copyright (c) 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 the License "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 Scheduler server's Server class* |
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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 "CCseSchedulerServer.h" // Header file for this class |
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22 #include "CCseSchedulerServerSession.h" // Server session |
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23 #include "CCseSchedulerServerEngine.h" // Server intelligence aka engine |
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24 #include <ipvideo/CseSchedulerClientServerCommon.h> // Common defines for client and server |
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25 #include "CseSchedulerServer.pan" // Server panic codes |
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26 #include "CseDebug.h" // Debug macros |
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27 #include <e32svr.h> |
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28 #include <e32math.h> |
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29 #include <e32uid.h> |
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30 #include <e32def.h> |
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31 |
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32 |
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33 // EXTERNAL DATA STRUCTURES |
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34 // None |
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35 |
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36 // EXTERNAL FUNCTION PROTOTYPES |
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37 // None |
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38 |
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39 // CONSTANTS |
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40 // Platform security. Custom check is applied to all IPCs. |
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41 static const int KRangeCount( 1 ); |
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42 |
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43 static const TInt SecurityRanges[KRangeCount] = |
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44 { |
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45 0, // Range is from 0 to KMaxTInt |
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46 }; |
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47 |
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48 static const TUint8 SecurityRangesPolicy[KRangeCount] = |
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49 { |
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50 CPolicyServer::ECustomCheck |
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51 }; |
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52 |
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53 static const CPolicyServer::TPolicy Policy = |
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54 { |
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55 CPolicyServer::EAlwaysPass, |
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56 KRangeCount, |
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57 SecurityRanges, |
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58 SecurityRangesPolicy, |
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59 NULL, |
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60 }; |
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61 |
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62 |
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63 // MACROS |
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64 // None |
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65 |
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66 // LOCAL CONSTANTS AND MACROS |
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67 const TInt KDbStartTimeout = 2000000; |
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68 |
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69 // MODULE DATA STRUCTURES |
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70 // None |
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71 |
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72 // LOCAL FUNCTION PROTOTYPES |
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73 // None |
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74 |
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75 // FORWARD DECLARATIONS |
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76 // None |
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77 |
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78 // ============================ MEMBER FUNCTIONS =============================== |
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79 |
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80 // ----------------------------------------------------------------------------- |
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81 // CCseSchedulerServer::CCseSchedulerServer() |
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82 // C++ constructor |
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83 // ----------------------------------------------------------------------------- |
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84 // |
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85 CCseSchedulerServer::CCseSchedulerServer() |
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86 : CPolicyServer( EPriorityRealTimeServer, Policy, ESharableSessions ), |
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87 iContainerIx( NULL ), |
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88 iObjectCon( NULL ), |
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89 iSessionCount( 0 ), |
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90 iSchedulerEngine( NULL ) |
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91 { |
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92 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::CCseSchedulerServer"); |
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93 __DECLARE_NAME( _S( "CCseSchedulerServer" ) ); |
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94 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::CCseSchedulerServer"); |
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95 } |
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96 |
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97 // ----------------------------------------------------------------------------- |
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98 // CCseSchedulerServer::NewLC() |
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99 // |
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100 // ----------------------------------------------------------------------------- |
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101 // |
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102 CCseSchedulerServer* CCseSchedulerServer::NewLC( ) |
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103 { |
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104 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::NewLC"); |
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105 |
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106 CCseSchedulerServer* self = new ( ELeave ) CCseSchedulerServer; |
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107 CleanupStack::PushL( self ); |
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108 |
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109 self->ConstructL( ); |
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110 |
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111 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::NewLC"); |
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112 return self; |
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113 } |
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114 |
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115 // ----------------------------------------------------------------------------- |
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116 // CCseSchedulerServer::ConstructL() |
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117 // second-phase constructor; create the object container index. |
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118 // ----------------------------------------------------------------------------- |
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119 // |
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120 void CCseSchedulerServer::ConstructL( ) |
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121 { |
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122 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::ConstructL"); |
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123 iContainerIx = CObjectConIx::NewL(); |
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124 iObjectCon = iContainerIx->CreateL(); |
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125 StartL( KCseSchedulerServerName ); |
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126 GetEngineObjectL(); |
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127 iStarterBreaker = CPeriodic::NewL( CActive::EPriorityStandard ); |
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128 |
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129 // break call chain |
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130 if( !iStarterBreaker->IsActive() ) |
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131 { |
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132 // Give client 2 secs to make server session before we check |
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133 // if server is needed or not. |
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134 iStarterBreaker->Start( KDbStartTimeout, |
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135 KDbStartTimeout, |
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136 TCallBack( StarterCallback, this )); |
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137 } |
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138 else |
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139 { |
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140 CSELOGSTRING_HIGH_LEVEL( |
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141 "CCseSchedulerServer::ConstructL - Breaker already active"); |
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142 } |
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143 |
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144 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::ConstructL"); |
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145 } |
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146 |
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147 // ----------------------------------------------------------------------------- |
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148 // CCseSchedulerServer::~CCseSchedulerServer() |
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149 // Destructor. |
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150 // ----------------------------------------------------------------------------- |
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151 // |
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152 CCseSchedulerServer::~CCseSchedulerServer() |
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153 { |
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154 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::~CCseSchedulerServer"); |
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155 DeleteSchedulerEngine(); |
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156 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::~CCseSchedulerServer"); |
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157 } |
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158 |
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159 // ----------------------------------------------------------------------------- |
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160 // CCseSchedulerServer::ThreadFunction() |
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161 // The active scheduler is installed and started here. |
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162 // (other items were commented in a header). |
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163 // ----------------------------------------------------------------------------- |
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164 // |
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165 TInt CCseSchedulerServer::ThreadFunction( ) |
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166 { |
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167 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::ThreadFunction"); |
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168 CTrapCleanup* cleanupStack = CTrapCleanup::New(); |
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169 if ( !cleanupStack ) |
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170 { |
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171 PanicServer( ECseCreateTrapCleanup ); |
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172 } |
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173 |
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174 TRAPD( err, ThreadFunctionL( ) ); |
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175 if ( err ) |
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176 { |
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177 PanicServer( ECseSrvCreateServer ); |
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178 } |
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179 |
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180 delete cleanupStack; |
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181 |
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182 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::ThreadFunction"); |
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183 return KErrNone; |
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184 } |
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185 |
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186 // ----------------------------------------------------------------------------- |
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187 // CCseSchedulerServer::ThreadFunctionL() |
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188 // |
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189 // ----------------------------------------------------------------------------- |
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190 // |
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191 void CCseSchedulerServer::ThreadFunctionL( ) |
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192 { |
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193 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::ThreadFunctionL"); |
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194 |
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195 // Construct active scheduler |
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196 CActiveScheduler* activeScheduler = new ( ELeave ) CActiveScheduler; |
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197 CleanupStack::PushL( activeScheduler ); // |-> 1 |
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198 |
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199 // Install active scheduler. |
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200 // We don't need to check whether an active scheduler is already installed |
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201 // as this is a new thread, so there won't be one |
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202 CActiveScheduler::Install( activeScheduler ); |
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203 |
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204 // Construct our server, pushed cleanup stack and leaved there |
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205 CCseSchedulerServer* server = CCseSchedulerServer::NewLC( ); // |-> 2 |
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206 |
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207 // Signal server is up |
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208 RProcess::Rendezvous( KErrNone ); |
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209 |
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210 // Start handling requests |
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211 CActiveScheduler::Start(); |
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212 |
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213 CleanupStack::PopAndDestroy( server ); // 2<-| |
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214 CleanupStack::PopAndDestroy( activeScheduler ); // 1<-| |
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215 |
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216 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::ThreadFunctionL"); |
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217 } |
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218 |
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219 // ----------------------------------------------------------------------------- |
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220 // CCseSchedulerServer::PanicServer |
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221 // Utility - panic the server |
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222 // (other items were commented in a header). |
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223 // ----------------------------------------------------------------------------- |
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224 void CCseSchedulerServer::PanicServer( TCseSchedulerServPanic aPanic ) |
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225 { |
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226 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::PanicServer"); |
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227 _LIT( KSchedulerServer, "SchedulerServer" ); |
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228 User::Panic( KSchedulerServer, aPanic ); |
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229 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::PanicServer"); |
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230 } |
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231 |
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232 // ----------------------------------------------------------------------------- |
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233 // CCseSchedulerServer::GetEngineObjectL() |
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234 // |
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235 // ----------------------------------------------------------------------------- |
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236 // |
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237 CCseSchedulerServerEngine* CCseSchedulerServer::GetEngineObjectL() |
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238 { |
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239 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::GetEngineObjectL"); |
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240 |
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241 if ( iObjectCon->Count() == 0 ) |
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242 { |
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243 // Create scheduler engine |
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244 iSchedulerEngine = CCseSchedulerServerEngine::NewL( *this ); |
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245 |
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246 // Add our engine to container |
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247 iObjectCon->AddL( iSchedulerEngine ); |
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248 } |
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249 else |
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250 { |
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251 // default implementation return KErrNone. |
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252 if ( KErrNone != iSchedulerEngine->Open() ) |
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253 { |
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254 User::Leave( KErrGeneral ); |
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255 } |
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256 } |
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257 |
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258 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::GetEngineObjectL"); |
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259 |
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260 // We have only one object in our container |
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261 return iSchedulerEngine; |
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262 } |
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263 |
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264 // ----------------------------------------------------------------------------- |
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265 // CCseSchedulerServer::Inc() |
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266 // |
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267 // ----------------------------------------------------------------------------- |
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268 // |
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269 void CCseSchedulerServer::Inc() |
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270 { |
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271 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::Inc"); |
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272 if ( iSessionCount!=KErrNotFound ) |
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273 { |
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274 iSessionCount++; |
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275 } |
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276 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::Inc"); |
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277 } |
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278 |
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279 // ----------------------------------------------------------------------------- |
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280 // CCseRTPServer::Dec() |
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281 // |
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282 // ----------------------------------------------------------------------------- |
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283 // |
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284 void CCseSchedulerServer::Dec() |
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285 { |
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286 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::Dec"); |
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287 iSessionCount--; |
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288 |
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289 if ( iSessionCount<=0 ) |
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290 { |
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291 StopServer(); |
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292 } |
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293 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::Dec"); |
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294 } |
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295 |
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296 // ----------------------------------------------------------------------------- |
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297 // CCseSchedulerServer::DeleteSchedulerEngine |
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298 // Stops active scheduler and deletes object container and other objects. |
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299 // ----------------------------------------------------------------------------- |
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300 void CCseSchedulerServer::DeleteSchedulerEngine() |
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301 { |
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302 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::DeleteSchedulerEngine"); |
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303 |
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304 if ( iContainerIx ) |
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305 { |
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306 iSchedulerEngine->Close(); |
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307 iContainerIx->Remove( iObjectCon ); |
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308 delete iContainerIx; |
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309 iContainerIx = NULL; |
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310 iSchedulerEngine = NULL; |
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311 } |
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312 |
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313 if( iStarterBreaker->IsActive() ) |
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314 { |
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315 iStarterBreaker->Cancel(); |
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316 } |
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317 delete iStarterBreaker; |
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318 iStarterBreaker = NULL; |
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319 |
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320 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::DeleteSchedulerEngine"); |
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321 } |
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322 |
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323 // ----------------------------------------------------------------------------- |
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324 // CCseSchedulerServer::NewSessionL() |
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325 // |
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326 // ----------------------------------------------------------------------------- |
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327 // |
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328 |
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329 CSession2* CCseSchedulerServer::NewSessionL( const TVersion& aVersion, |
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330 const RMessage2& /*aMessage*/ ) const |
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331 { |
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332 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::NewSessionL"); |
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333 |
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334 // Check version is ok |
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335 TVersion v( KCseServMajorVersionNumber, |
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336 KCseServMinorVersionNumber, |
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337 KCseServBuildVersionNumber ); |
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338 |
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339 if ( !User::QueryVersionSupported( v, aVersion ) ) |
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340 { |
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341 User::Leave( KErrNotSupported ); |
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342 } |
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343 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::NewSessionL"); |
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344 |
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345 // Make new session |
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346 return CCseSchedulerServerSession::NewL( ( CCseSchedulerServer* ) this ); |
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347 } |
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348 |
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349 // ----------------------------------------------------------------------------- |
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350 // CCseSchedulerServer::StopServer |
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351 // Stops the server thread if no sessions active. |
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352 // ----------------------------------------------------------------------------- |
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353 // |
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354 void CCseSchedulerServer::StopServer() |
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355 { |
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356 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::StopServer"); |
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357 TBool schedulerActive( iSchedulerEngine->IsSchedulerActive() ); |
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358 CSELOGSTRING2_HIGH_LEVEL("CCseSchedulerServer::StopServer - Session count: %d", iSessionCount); |
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359 if ( (iSessionCount<=0) && (schedulerActive == EFalse)) |
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360 { |
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361 CSELOGSTRING_HIGH_LEVEL("CCseSchedulerServer::StopServer - Call ActiveScheduler::Stop()"); |
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362 CActiveScheduler::Stop(); |
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363 } |
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364 |
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365 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::StopServer"); |
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366 } |
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367 |
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368 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
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369 // ----------------------------------------------------------------------------- |
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370 // StartThread() |
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371 // Start the server thread. This is called from the client. |
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372 // ----------------------------------------------------------------------------- |
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373 // |
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374 TInt CCseSchedulerServer::StartThread() |
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375 { |
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376 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::StartThread"); |
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377 #if _DEBUG |
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378 __UHEAP_MARK; |
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379 #endif |
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380 |
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381 // Check server not already started |
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382 TFindServer findCountServer( KCseSchedulerServerName ); |
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383 TFullName name; |
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384 if ( findCountServer.Next( name ) == KErrNone ) |
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385 { |
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386 // Found server already |
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387 RProcess::Rendezvous( KErrNone ); |
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388 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::StartThread - Return value: KErrAlreadyExists"); |
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389 return KErrAlreadyExists; |
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390 } |
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391 |
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392 ThreadFunction( ); |
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393 |
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394 #if _DEBUG |
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395 __UHEAP_MARKEND; |
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396 #endif |
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397 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::StartThread - Server down!"); |
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398 |
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399 // All well |
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400 return KErrNone; |
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401 } |
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402 |
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403 // -------------------------------------------------------------------------- |
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404 // CCseSchedulerServer::CustomSecurityCheckL() |
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405 // -------------------------------------------------------------------------- |
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406 // |
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407 CPolicyServer::TCustomResult CCseSchedulerServer::CustomSecurityCheckL( |
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408 const RMessage2& aMsg, |
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409 TInt& /*aAction*/, |
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410 TSecurityInfo& /*aMissing*/ ) |
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411 { |
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412 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::CustomSecurityCheckL"); |
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413 TCustomResult retVal ( EFail ); |
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414 |
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415 // Check the messagge function range |
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416 if ( aMsg.Function() > ECseRequestBase && |
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417 aMsg.Function() < ECseRequestLast ) |
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418 { |
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419 |
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420 // Check if the client has required capabilities |
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421 // From .mmp-file capablity NetworkControl |
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422 if( // From .mmp-file following are CAP_SERVER capabilities |
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423 ! aMsg.HasCapability(ECapabilityNetworkServices ) || |
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424 ! aMsg.HasCapability(ECapabilityLocalServices ) || |
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425 ! aMsg.HasCapability(ECapabilityLocation ) || |
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426 ! aMsg.HasCapability(ECapabilityReadUserData ) || |
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427 ! aMsg.HasCapability(ECapabilityWriteUserData ) || |
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428 ! aMsg.HasCapability(ECapabilityReadDeviceData ) || |
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429 ! aMsg.HasCapability(ECapabilityWriteDeviceData ) || |
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430 ! aMsg.HasCapability(ECapabilityUserEnvironment ) || |
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431 ! aMsg.HasCapability(ECapabilitySwEvent ) ) |
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432 { |
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433 CSELOGSTRING2_HIGH_LEVEL( |
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434 "CCseSchedulerServer::CustomSecurityCheckL() No capability for message %d!!!", |
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435 aMsg.Function() ); |
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436 } |
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437 else |
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438 { |
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439 CSELOGSTRING2_HIGH_LEVEL( |
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440 "CCseSchedulerServer::CustomSecurityCheckL() Message %d inside range and capabilities ok", |
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441 aMsg.Function() ); |
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442 retVal = EPass; |
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443 } |
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444 } |
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445 else |
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446 { |
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447 CSELOGSTRING2_HIGH_LEVEL( |
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448 "CCseSchedulerServer::CustomSecurityCheckL() Message %d outside known range!!!", |
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449 aMsg.Function() ); |
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450 } |
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451 |
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452 if( retVal == EPass ) |
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453 { |
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454 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::CustomSecurityCheckL - Passed"); |
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455 } |
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456 else |
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457 { |
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458 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::CustomSecurityCheckL - Failed"); |
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459 } |
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460 return retVal; |
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461 } |
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462 |
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463 // ----------------------------------------------------------------------------- |
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464 // CCseSchedulerServerEngine::StarterCallback |
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465 // ----------------------------------------------------------------------------- |
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466 // |
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467 TInt CCseSchedulerServer::StarterCallback( TAny* aPtr ) |
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468 { |
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469 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::StarterCallback"); |
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470 TBool retVal( EFalse); |
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471 retVal = static_cast<CCseSchedulerServer*>( aPtr )->HandleStarterCallback(); |
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472 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::StarterCallback"); |
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473 return retVal; |
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474 } |
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475 |
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476 // ----------------------------------------------------------------------------- |
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477 // CCseSchedulerServerEngine::HandleCompletitionCallback |
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478 // ----------------------------------------------------------------------------- |
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479 // |
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480 TInt CCseSchedulerServer::HandleStarterCallback() |
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481 { |
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482 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::HandleStarterCallback "); |
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483 |
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484 // We dont want to use periodic anymore, so we cancel it. We just wanted to |
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485 // make call here 2 secs after server has been created. |
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486 iStarterBreaker->Cancel(); |
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487 |
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488 // Check if server can be stopped. |
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489 iSchedulerEngine->RequestReschedule(); |
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490 |
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491 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::HandleStarterCallback "); |
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492 return EFalse; |
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493 } |
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494 |
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495 // ----------------------------------------------------------------------------- |
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496 // E32Main() |
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497 // Server startup |
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498 // Returns: KErrNone |
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499 // ----------------------------------------------------------------------------- |
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500 // |
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501 GLDEF_C TInt E32Main() |
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502 { |
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503 return CCseSchedulerServer::StartThread(); |
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504 } |
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505 |
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506 // End of File |