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: Plugin starter, this is run in separate thread from engine* |
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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 |
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21 // INCLUDE FILES |
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22 #include "CCseSchedulerPluginStarter.h" |
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23 #include "CseDebug.h" // Debug macros |
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24 #include <ipvideo/CCseScheduledProgram.h> // Represent one schedule in database |
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25 #include <ipvideo/CCseSchedulerPluginIF.h> |
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26 #include "CCseSchedulerThreadPacket.h" |
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27 #include "CCseSemaphoreController.h" |
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28 |
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29 // EXTERNAL DATA STRUCTURES |
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30 // None. |
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31 |
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32 // EXTERNAL FUNCTION PROTOTYPES |
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33 // None. |
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34 |
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35 // CONSTANTS |
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36 // None |
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37 |
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38 // MACROS |
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39 // None. |
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40 |
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41 // LOCAL CONSTANTS AND MACROS |
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42 // None |
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43 |
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44 // MODULE DATA STRUCTURES |
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45 // None. |
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46 |
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47 // LOCAL FUNCTION PROTOTYPES |
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48 // None. |
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49 |
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50 |
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51 // ============================ MEMBER FUNCTIONS =============================== |
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52 |
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53 // ----------------------------------------------------------------------------- |
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54 // CCseSchedulerPluginStarter::CCseSchedulerPluginStarter |
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55 // C++ default constructor can NOT contain any code, that might leave. |
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56 // ----------------------------------------------------------------------------- |
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57 // |
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58 CCseSchedulerPluginStarter::CCseSchedulerPluginStarter ( CCseSchedulerThreadPacket* aThreadPacket ) : |
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59 iThreadPacket( aThreadPacket ), |
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60 iPluginRdyToTakedown( EFalse ) |
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61 { |
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62 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerPluginStarter::CCseSchedulerPluginStarter"); |
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63 |
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64 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerPluginStarter::CCseSchedulerPluginStarter"); |
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65 } |
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66 |
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67 // ----------------------------------------------------------------------------- |
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68 // CCseSchedulerPluginStarter::NewL |
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69 // Two-phased constructor. |
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70 // ----------------------------------------------------------------------------- |
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71 // |
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72 CCseSchedulerPluginStarter* CCseSchedulerPluginStarter::NewL( CCseSchedulerThreadPacket* aThreadPacket ) |
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73 { |
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74 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerPluginStarter::NewL"); |
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75 |
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76 CCseSchedulerPluginStarter* self = new( ELeave ) CCseSchedulerPluginStarter( aThreadPacket ); |
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77 CleanupStack::PushL( self ); |
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78 self->ConstructL(); |
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79 CleanupStack::Pop( self ); |
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80 |
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81 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerPluginStarter::NewL"); |
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82 return self; |
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83 } |
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84 |
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85 // ----------------------------------------------------------------------------- |
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86 // CCseSchedulerPluginStarter::ConstructL |
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87 // Symbian 2nd phase constructor can leave. |
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88 // ----------------------------------------------------------------------------- |
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89 // |
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90 void CCseSchedulerPluginStarter::ConstructL() |
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91 { |
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92 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerPluginStarter::ConstructL"); |
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93 |
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94 iCompletitionBreaker = CIdle::NewL( CActive::EPriorityLow ); |
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95 // Start completition breaker. This time we do not inform about completition of |
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96 // plugin but we break call chain and start running plugin from RunL |
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97 iCompletitionBreaker->Start(TCallBack( PluginCompleteCallback, this )); |
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98 |
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99 iSemaphoreMonitor = CCseSemaphoreController::NewL( iThreadPacket->ShutdownSemaphore(), |
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100 *this ); |
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101 |
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102 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerPluginStarter::ConstructL"); |
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103 } |
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104 |
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105 // ----------------------------------------------------------------------------- |
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106 // CCseSchedulerEngineBackdoorClient::~CCseSchedulerPluginStarter |
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107 // Destructor. |
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108 // ----------------------------------------------------------------------------- |
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109 // |
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110 CCseSchedulerPluginStarter::~CCseSchedulerPluginStarter() |
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111 { |
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112 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerPluginStarter::~CCseSchedulerPluginStarter"); |
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113 |
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114 delete iCompletitionBreaker; |
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115 delete iPlugin; |
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116 iPlugin = NULL; |
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117 REComSession::FinalClose(); |
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118 |
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119 delete iSemaphoreMonitor; |
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120 iSemaphoreMonitor = NULL; |
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121 |
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122 // We DO NOT destroy thread packet, we just null the pointer. |
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123 // Information is still needed on other side after thread dies |
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124 iThreadPacket = NULL; |
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125 |
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126 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerPluginStarter::~CCseSchedulerPluginStarter"); |
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127 } |
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128 |
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129 // ----------------------------------------------------------------------------- |
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130 // CCseSchedulerPluginStarter::StartThread |
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131 // |
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132 // ----------------------------------------------------------------------------- |
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133 // |
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134 TInt CCseSchedulerPluginStarter::StartThread( TAny* aParam ) |
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135 { |
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136 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerPluginStarter::RunPlugin"); |
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137 |
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138 TInt err( KErrNone ); |
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139 |
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140 //create cleanupstack |
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141 CTrapCleanup* cleanup = CTrapCleanup::New(); // get clean-up stack |
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142 if (!cleanup) |
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143 { |
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144 err = KErrNoMemory; |
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145 } |
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146 if (!err) |
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147 { |
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148 TRAP(err, DoStartThreadL( aParam )); |
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149 } |
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150 delete cleanup; |
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151 |
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152 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerPluginStarter::RunPlugin"); |
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153 return err; |
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154 } |
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155 |
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156 // ----------------------------------------------------------------------------- |
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157 // CCseSchedulerPluginStarter::DoStartThreadL |
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158 // |
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159 // ----------------------------------------------------------------------------- |
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160 // |
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161 void CCseSchedulerPluginStarter::DoStartThreadL( TAny* aParam ) |
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162 { |
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163 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerPluginStarter::DoStartThreadL"); |
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164 |
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165 CCseSchedulerThreadPacket* threadPacket = static_cast<CCseSchedulerThreadPacket*>(aParam); |
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166 |
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167 CActiveScheduler* scheduler = new ( ELeave ) CActiveScheduler; |
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168 |
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169 // If schedule doesn't exist there is really nothing we can do |
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170 if( scheduler ) |
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171 { |
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172 CleanupStack::PushL( scheduler ); // |->1 |
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173 CActiveScheduler::Install( scheduler ); |
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174 |
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175 // Create the starter |
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176 CCseSchedulerPluginStarter* starter = CCseSchedulerPluginStarter::NewL( threadPacket ); |
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177 CleanupStack::PushL(starter); // |->2 |
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178 |
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179 // Ready to run |
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180 CActiveScheduler::Start(); |
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181 |
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182 CSELOGSTRING_HIGH_LEVEL("CCseSchedulerPluginStarter::DoStartThreadL - Out from CActiveScheduler::Start!"); |
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183 |
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184 // Cleanup the server and scheduler |
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185 CleanupStack::PopAndDestroy( starter ); // 2<-| |
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186 CleanupStack::PopAndDestroy( scheduler ); // 1<-| |
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187 |
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188 threadPacket->ShutdownCompleteSemaphore().Signal(); |
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189 } |
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190 else |
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191 { |
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192 CSELOGSTRING_HIGH_LEVEL("CCseSchedulerPluginStarter::DoStartThreadL - No schedule available, GTFO"); |
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193 } |
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194 |
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195 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerPluginStarter::DoStartThreadL"); |
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196 } |
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197 |
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198 // ----------------------------------------------------------------------------- |
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199 // CCseSchedulerPluginStarter::RunPluginL |
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200 // |
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201 // ----------------------------------------------------------------------------- |
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202 // |
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203 void CCseSchedulerPluginStarter::RunPluginL( ) |
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204 { |
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205 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerPluginStarter::RunPluginL"); |
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206 |
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207 // Create plugin |
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208 TUid pluginUid = TUid::Uid( iThreadPacket->Schedule()->PluginUid() ); |
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209 |
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210 iPlugin = CCseSchedulerPluginIF::NewL( pluginUid ); |
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211 |
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212 iPlugin->RunTaskL( *iThreadPacket->Schedule(), this ); |
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213 |
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214 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerPluginStarter::RunPluginL"); |
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215 } |
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216 |
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217 // ----------------------------------------------------------------------------- |
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218 // CCseSchedulerPluginStarter::PluginCompleted |
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219 // |
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220 // ----------------------------------------------------------------------------- |
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221 // |
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222 void CCseSchedulerPluginStarter::PluginCompleted( TInt aCompletitionCode ) |
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223 { |
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224 CSELOGSTRING2_HIGH_LEVEL( |
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225 ">>>CCseSchedulerPluginStarter::PluginCompleted - Code: %d", aCompletitionCode); |
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226 |
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227 // Start taking down The Thread |
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228 // Start Completition breaker if not already active to break call chain. |
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229 // Set plugin completition value |
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230 iThreadPacket->SetResultCode( aCompletitionCode ); |
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231 |
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232 iPluginRdyToTakedown = ETrue; |
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233 |
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234 if( !iCompletitionBreaker->IsActive() ) |
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235 { |
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236 iCompletitionBreaker->Start(TCallBack( PluginCompleteCallback, this )); |
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237 } |
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238 else |
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239 { |
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240 CSELOGSTRING_HIGH_LEVEL( |
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241 "CCseSchedulerPluginStarter::PluginCompleted:Breaker already running!"); |
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242 } |
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243 |
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244 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerPluginStarter::PluginCompleted"); |
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245 } |
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246 |
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247 // ----------------------------------------------------------------------------- |
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248 // CCseSchedulerPluginStarter::PluginCompleteCallback |
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249 // ----------------------------------------------------------------------------- |
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250 // |
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251 TInt CCseSchedulerPluginStarter::PluginCompleteCallback( TAny* aPtr ) |
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252 { |
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253 CSELOGSTRING_HIGH_LEVEL(">>>PluginCompleteCallback::ScheduleCompleteCallback"); |
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254 CSELOGSTRING_HIGH_LEVEL("<<<PluginCompleteCallback::ScheduleCompleteCallback"); |
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255 return static_cast<CCseSchedulerPluginStarter*>( aPtr )->HandlePluginCompleteCallback(); |
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256 } |
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257 |
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258 // ----------------------------------------------------------------------------- |
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259 // CCseSchedulerUserInformer::HandlePluginCompleteCallback |
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260 // ----------------------------------------------------------------------------- |
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261 // |
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262 TInt CCseSchedulerPluginStarter::HandlePluginCompleteCallback() |
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263 { |
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264 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerPluginStarter::HandleScheduleCompleteCallback "); |
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265 |
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266 if( iPluginRdyToTakedown ) |
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267 { |
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268 // First clear flag |
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269 iPluginRdyToTakedown = EFalse; |
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270 // Takedown thread |
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271 CActiveScheduler::Stop(); |
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272 } |
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273 else |
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274 { |
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275 // First start monitor |
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276 iSemaphoreMonitor->Start(); |
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277 // Plugin ready to be run |
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278 TRAPD( err, RunPluginL() ); |
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279 if ( err != KErrNone ) |
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280 { |
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281 // Run plugin leaved for some reason. Set error code and get outta here! |
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282 iThreadPacket->SetResultCode( err ); |
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283 iPluginRdyToTakedown = ETrue; |
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284 iCompletitionBreaker->Start(TCallBack( PluginCompleteCallback, this )); |
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285 } |
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286 } |
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287 |
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288 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerPluginStarter::HandleScheduleCompleteCallback "); |
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289 return EFalse; |
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290 } |
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291 |
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292 // ----------------------------------------------------------------------------- |
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293 // CCseSchedulerUserInformer::SemaphoreSignalled |
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294 // ----------------------------------------------------------------------------- |
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295 // |
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296 void CCseSchedulerPluginStarter::SemaphoreSignalled() |
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297 { |
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298 CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerPluginStarter::SemaphoreSignalled"); |
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299 |
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300 delete iPlugin; |
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301 iPlugin = NULL; |
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302 |
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303 CActiveScheduler::Stop(); |
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304 |
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305 CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerPluginStarter::SemaphoreSignalled"); |
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306 } |
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307 |
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308 // End of file. |
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