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1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include "mmrcservercontroller.h" |
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17 #include "mmrcerrorcodes.h" |
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18 #include "mmrcserversession.h" |
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19 #include "mmrcserverinfo.h" |
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20 #include "mmrcserverrulemanager.h" |
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21 #include "mmrcadaptationproxy.h" |
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22 #include "mlogicalchain.h" |
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23 #include <a3f/audioprocessingunittypeuids.h> |
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24 |
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25 /** |
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26 @internalComponent |
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27 |
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28 This class implements a timer. |
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29 */ |
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30 class CARNNotificationObject : public CActive |
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31 { |
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32 |
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33 public: |
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34 static CARNNotificationObject* NewL(const TInt aPriority, CMMRCServerInfo& aMMRCServerInfo); |
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35 ~CARNNotificationObject(); |
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36 void After(TTimeIntervalMicroSeconds32 aInterval); |
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37 void Initialize(); |
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38 |
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39 protected: |
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40 void RunL(); |
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41 void DoCancel(); |
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42 |
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43 private: |
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44 CARNNotificationObject(const TInt aPriority); |
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45 void ConstructL(CMMRCServerInfo& aMMRCServerInfo); |
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46 |
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47 public: |
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48 TInt iIndex; |
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49 |
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50 protected: |
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51 RTimer iTimer; |
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52 CMMRCServerInfo* iMMRCServerInfo; |
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53 }; |
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54 |
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55 //------------------------------------------------------------------------------------ |
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56 // |
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57 //------------------------------------------------------------------------------------ |
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58 |
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59 /** |
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60 * Constructor |
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61 */ |
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62 CMMRCServerController::CMMRCServerController() |
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63 { |
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64 TRACE_CREATE(); |
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65 DP_CONTEXT(----> CMMRCServerController::CMMRCServerController *CD1*, CtxDevSound, DPLOCAL); |
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66 DP_IN(); |
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67 |
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68 DP_OUT(); |
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69 } |
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70 |
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71 /** |
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72 * Destructor |
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73 */ |
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74 CMMRCServerController::~CMMRCServerController() |
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75 { |
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76 DP_CONTEXT(----> CMMRCServerController::~CMMRCServerController *CD1*, CtxDevSound, DPLOCAL); |
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77 DP_IN(); |
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78 |
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79 delete iMMRCServerInfo; |
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80 delete iMMRCServerRuleManager; |
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81 delete iARNNotificationObject; |
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82 |
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83 DP_OUT(); |
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84 } |
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85 |
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86 /** |
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87 * Constructs, and returns a pointer to, a new CMMRCServerController object. |
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88 * Leaves on failure. |
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89 * @return CMMRCServerController* A pointer to newly created utlitly object. |
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90 */ |
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91 CMMRCServerController* CMMRCServerController::NewL() |
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92 { |
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93 DP_STATIC_CONTEXT(----> CMMRCServerController::NewL *CD1*, CtxDevSound, DPLOCAL); |
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94 DP_IN(); |
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95 |
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96 CMMRCServerController* self = NewLC(); |
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97 CleanupStack::Pop(self); |
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98 |
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99 DP0_RET(self, "self = 0x%x"); |
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100 } |
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101 |
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102 /** |
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103 * Constructs, leaves object on the cleanup stack, and returns a pointer |
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104 * to, a new CMMRCServerController object. |
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105 * Leaves on failure. |
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106 * @return CMMRCServerController* A pointer to newly created utlitly object. |
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107 */ |
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108 CMMRCServerController* CMMRCServerController::NewLC() |
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109 { |
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110 DP_STATIC_CONTEXT(----> CMMRCServerController::NewLC *CD1*, CtxDevSound, DPLOCAL); |
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111 DP_IN(); |
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112 |
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113 CMMRCServerController* self = new(ELeave) CMMRCServerController(); |
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114 CleanupStack::PushL(self); |
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115 self->ConstructL(); |
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116 |
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117 DP0_RET(self, "self = 0x%x"); |
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118 } |
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119 |
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120 /** |
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121 * CMMRCServerController::ConstructL |
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122 * Symbian 2nd phase constructor can leave. |
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123 */ |
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124 void CMMRCServerController::ConstructL() |
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125 { |
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126 DP_CONTEXT(----> CMMRCServerController::ConstructL *CD1*, CtxDevSound, DPLOCAL); |
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127 DP_IN(); |
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128 |
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129 iMMRCServerInfo = CMMRCServerInfo::NewL(*this); |
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130 iMMRCServerRuleManager = CMMRCServerRuleManager::NewL(*this); |
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131 iARNNotificationObject = CARNNotificationObject::NewL(0, *iMMRCServerInfo); //Check the value |
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132 |
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133 DP_OUT(); |
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134 } |
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135 |
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136 /** |
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137 * Process the request pointer by a specific session |
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138 * @param CMMRCServerSession& aServerSession |
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139 * @return KerrNone in case of success of the process |
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140 */ |
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141 TInt CMMRCServerController::EnqueueRequestL(CMMRCServerSession& aServerSession) |
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142 { |
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143 DP_CONTEXT(----> CMMRCServerController::ProcessRequestL *CD1*, CtxDevSound, DPLOCAL); |
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144 DP_IN(); |
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145 |
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146 //add the request to the queue |
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147 iMMRCServerInfo->PushRequestL(aServerSession); |
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148 TInt err = ProcessNextRequestL(); |
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149 |
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150 DP0_RET(err, "err=%d"); |
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151 } |
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152 |
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153 /** |
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154 * Process the first request with the highest priority from the FIFO queue |
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155 * @return KerrNone in case of success of the process |
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156 */ |
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157 TInt CMMRCServerController::ProcessNextRequestL() |
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158 { |
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159 DP_CONTEXT(--------> CMMRCServerController::ProcessNextRequestL *CD1*, CtxDevSound, DPLOCAL); |
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160 DP_IN(); |
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161 |
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162 TInt err = KErrNone; |
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163 |
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164 TUint64 contextId; |
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165 TMMRCServerState serverState; |
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166 iMMRCServerInfo->ServerState(serverState, contextId); |
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167 #ifdef SYMBIAN_MULTIMEDIA_ENABLE_LOGGING |
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168 RDebug::Print(_L("serverState = %d"), serverState); |
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169 RDebug::Print(_L("size of message queue = %d"), iMMRCServerInfo->RequestsCount()); |
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170 RDebug::Print(_L("size of inprocess queue = %d"), iMMRCServerInfo->AllocatedResourceContextsCount()); |
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171 RDebug::Print(_L("size of paused queue = %d"), iMMRCServerInfo->AllocatedPausedContextsCount()); |
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172 #endif |
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173 if(EMMRCServerStateIdle != serverState) |
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174 { |
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175 DP0_RET(KErrNone, "%d"); |
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176 } |
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177 |
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178 CMMRCServerSession* serverSession = iMMRCServerInfo->PopAndRemoveFirstRequest(); //PopAndRemoveRequestFirstHighestPriority(); |
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179 //Pop the next next commited message with the highest priority |
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180 if( NULL == serverSession ) |
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181 { |
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182 DP0_RET(KErrNone, "%d"); |
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183 } |
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184 |
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185 if (!serverSession->HasUserEnvironmentCapability()) |
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186 { |
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187 /* Check to see if it's a record use case and in IDLE, Active, or PRIME. |
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188 // in which case you should refuse the request for reasons |
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189 KErrPermissionDenied |
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190 */ |
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191 MLogicalChain* requestedChange = serverSession->LogicalChainRequestedStack(); |
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192 if ((requestedChange!=NULL) && (requestedChange->StreamState() > EInitialized)) // trying to play |
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193 { |
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194 TInt count = requestedChange->AudioProcessingUnitsCount(); |
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195 for (TInt i=0; i<count; ++i) |
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196 { |
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197 if (KUidAudioDeviceSource == requestedChange->AudioProcessingUnitUid(i)) |
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198 { |
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199 serverSession->NotifyClientOfError(KErrPermissionDenied); |
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200 // The following return value, doesn't actually make it back to the client |
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201 // We do however Notify the client above using NotifyClientOfError() |
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202 DP0_RET(KErrPermissionDenied, "%d"); |
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203 } |
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204 } |
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205 } |
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206 |
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207 } |
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208 |
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209 //Pop the last commited message in process = the current resource in use |
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210 CMMRCServerSession* serverSessionAllocatedResource = iMMRCServerInfo->PopFirstAllocatedResourceContext(); |
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211 //If no resource locked... |
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212 if( NULL == serverSessionAllocatedResource ) |
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213 { |
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214 |
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215 err = SendResourceRequest ( *serverSession ); |
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216 } |
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217 else //If a resource has been allocated or is used, possibly preemption |
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218 { |
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219 TAudioContextId contextId = serverSession->ContextId( ); |
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220 TAudioContextId contextIdAllocatedResource = serverSessionAllocatedResource->ContextId( ); |
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221 #ifdef SYMBIAN_MULTIMEDIA_ENABLE_LOGGING |
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222 RDebug::Print(_L("contextId = %d"), contextId.Id()); |
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223 RDebug::Print(_L("contextIdAllocatedResource = %d"), contextIdAllocatedResource.Id()); |
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224 #endif |
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225 |
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226 //in case of processing the same context, remove the last committed request from the queue |
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227 // of in-process request to avoid preemption within the same context. |
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228 if(contextId == contextIdAllocatedResource) |
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229 { |
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230 err = SendResourceRequest ( *serverSession ); |
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231 } |
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232 else // maybe preemption |
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233 { |
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234 //Pop the rule |
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235 |
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236 MLogicalChain* logicalChainUsingResource = serverSessionAllocatedResource->LogicalChainLastCommited(); |
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237 MLogicalChain* logicalChainNew = serverSession->LogicalChainRequestedStack(); |
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238 //Should not/cannot be null! |
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239 if( NULL==logicalChainUsingResource || NULL==logicalChainNew ) |
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240 { |
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241 #ifdef _DEBUG |
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242 RDebug::Print(_L("!!!!CMMRCServerController::ProcessNextRequestL - logicalChainUsingResource or logicalChainNew NULL")); |
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243 ASSERT(0); |
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244 #endif |
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245 User::Leave(EMMRCErrorLogicalChainNull); |
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246 } |
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247 |
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248 TAudioState audioStateAllocatedResource = logicalChainUsingResource->StreamState(); |
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249 TAudioState audioStateNew = logicalChainNew->StreamState ( ); |
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250 TMMRCRule rule = DecisionRule(audioStateAllocatedResource, audioStateNew); |
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251 //Process according to the rule |
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252 if( rule == EAlwaysProcess ) |
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253 { |
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254 err = SendResourceRequest( *serverSession ); |
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255 } |
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256 else // process only in case of higher priority |
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257 { |
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258 TInt currentClientPriority = logicalChainUsingResource->Priority(); |
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259 TInt newClientPriority = logicalChainNew->Priority(); |
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260 TBool currentClient_HasMMDD = serverSessionAllocatedResource->HasMultimediaCapability(); |
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261 TBool newClient_HasMMDD = serverSession->HasMultimediaCapability(); |
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262 |
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263 // If new client has multimedia capability and current doesn't have, |
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264 // priorities don't matter preempt the current client |
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265 |
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266 // But if both are equal competitors (both has MMDD capability or both hasn't) |
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267 // and the newcomer has higher priority preempt too |
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268 if ( (!currentClient_HasMMDD && newClient_HasMMDD) || |
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269 ( (currentClient_HasMMDD == newClient_HasMMDD) && |
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270 (newClientPriority > currentClientPriority) ) ) |
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271 { |
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272 //The process is delayed. First we have to preempt the current inprocess resource |
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273 // so puch back the request (its session) |
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274 iMMRCServerInfo->PushRequestL(*serverSession); |
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275 // |
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276 //send a premption message to the last commited message session |
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277 err = SendPreemptionRequest ( *serverSessionAllocatedResource ); |
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278 } |
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279 else |
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280 { |
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281 // Deny the resource |
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282 TAudioContextId iId = serverSession->ContextId( ); |
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283 TBool iIsOnPauseList = iMMRCServerInfo->IsOnPauseList(iId); |
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284 if(!iIsOnPauseList) |
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285 { |
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286 iMMRCServerInfo->PushPausedContextL(*serverSession); |
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287 } |
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288 // nothing pending, deny resources, and notify client. |
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289 serverSession->AdaptationRequestAcknowledgment(EMMRCAdaptationToServerResourceIncomplete, KErrInUse); |
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290 // Server is back to idle. |
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291 iMMRCServerInfo->SwitchServerState(EMMRCServerStateIdle, 0); |
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292 } |
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293 } |
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294 } |
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295 } |
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296 |
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297 #ifdef SYMBIAN_MULTIMEDIA_ENABLE_LOGGING |
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298 if(err != KErrNone) |
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299 { |
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300 RDebug::Print(_L("!!!!CMMRCServerController::ProcessNextRequestL - error = %d"), err); |
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301 } |
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302 #endif |
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303 |
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304 DP0_RET(err, "err=%d"); |
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305 } |
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306 |
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307 /** |
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308 * Pop the decision rule on the base of the current in-process request and a new committed request |
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309 * @param TAudioState aAudioStateAllocatedResource |
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310 * @param TAudioState aAudioStateRequiringProcess |
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311 * @return TMMRCRule |
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312 */ |
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313 TMMRCRule CMMRCServerController::DecisionRule(TAudioState aAudioStateAllocatedResource, TAudioState aAudioStateRequiringProcess) |
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314 { |
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315 DP_CONTEXT(----> CMMRCServerController::DecisionRule *CD1*, CtxDevSound, DPLOCAL); |
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316 DP_IN(); |
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317 |
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318 TMMRCRule rule = iMMRCServerRuleManager->DecisionRule(aAudioStateAllocatedResource, aAudioStateRequiringProcess); |
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319 |
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320 DP0_RET(rule, "rule=%d"); |
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321 } |
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322 |
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323 /** |
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324 * Pop the action reason on the base of the last committed request and the current one |
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325 * @param TAudioState aAudioStateLastCommitted |
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326 * @param TAudioState aAudioStateRequested |
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327 * @return TReason |
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328 */ |
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329 TReason CMMRCServerController::ActionReason(TAudioState aAudioStateLastCommitted, TAudioState aAudioStateRequested) |
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330 { |
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331 DP_CONTEXT(----> CMMRCServerController::ActionReason *CD1*, CtxDevSound, DPLOCAL); |
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332 DP_IN(); |
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333 |
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334 TReason reason = iMMRCServerRuleManager->ActionReason(aAudioStateLastCommitted, aAudioStateRequested); |
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335 |
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336 DP0_RET(reason, "reason=%d"); |
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337 } |
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338 |
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339 /** |
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340 * Send a resource request to the adaptation |
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341 * @param MLogicalChain* aOldChain |
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342 * @param MLogicalChain* aNewChain |
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343 * @return KerrNone in case of success of the process |
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344 */ |
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345 TInt CMMRCServerController::SendResourceRequest( CMMRCServerSession& aServerSession ) |
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346 { |
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347 DP_CONTEXT(----> CMMRCServerController::SendResourceRequest *CD1*, CtxDevSound, DPLOCAL); |
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348 DP_IN(); |
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349 |
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350 iMMRCServerInfo->SwitchServerState( EMMRCServerStateWaitResourceResponseFromAdaptation, aServerSession.ContextId() ); |
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351 |
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352 // if entering APR state, remove from Paused list. |
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353 TRAPD(err, aServerSession.StartProcessL()); |
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354 { |
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355 MLogicalChain* logicalChainNew = aServerSession.LogicalChainRequested(); |
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356 if (logicalChainNew) |
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357 { |
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358 TAudioState audioStateNew = logicalChainNew->StreamState(); |
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359 if ( |
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360 (audioStateNew == EActive ) || |
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361 (audioStateNew == EPrimed) || |
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362 (audioStateNew == EIdle) |
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363 |
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364 ) |
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365 { |
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366 TInt contextId = aServerSession.ContextId( ); |
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367 iMMRCServerInfo->PopAndRemovePausedContext(contextId); |
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368 } |
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369 } |
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370 } |
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371 if(err == KErrNone) |
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372 { |
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373 //Send request |
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374 if (!aServerSession.SendRequestToAdaptation(ENormalRequest)) |
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375 { |
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376 // TBD fail at current task. |
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377 // return server shutting down |
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378 } |
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379 } |
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380 |
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381 #ifdef SYMBIAN_MULTIMEDIA_ENABLE_LOGGING |
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382 if(err != KErrNone) |
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383 { |
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384 RDebug::Print(_L("!!!!CMMRCServerController::SendResourceRequest - error = %d"), err); |
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385 } |
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386 #endif |
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387 |
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388 DP0_RET(err, "err=%d"); |
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389 } |
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390 |
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391 /** |
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392 * Send a preemption request to the adaptation |
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393 * @param MLogicalChain* aOldChain |
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394 * @param MLogicalChain* aNewChain |
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395 * @return KerrNone in case of success of the process |
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396 */ |
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397 TInt CMMRCServerController::SendPreemptionRequest( CMMRCServerSession& aServerSession ) |
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398 { |
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399 DP_CONTEXT(----> CMMRCServerController::SendPreemptionRequest *CD1*, CtxDevSound, DPLOCAL); |
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400 DP_IN(); |
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401 |
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402 iMMRCServerInfo->SwitchServerState( EMMRCServerStateWaitPreemptionResponse, aServerSession.ContextId() ); |
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403 |
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404 //Update logical chains |
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405 TRAPD(err, aServerSession.StartPreemptionL()); |
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406 |
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407 |
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408 if(err == KErrNone) |
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409 { |
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410 //Send request |
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411 if (!aServerSession.SendRequestToAdaptation(EPreemptionRequest)) |
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412 { |
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413 // TBD fail at current task. |
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414 // return server shutting down/low memory where necessary |
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415 } |
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416 } |
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417 |
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418 #ifdef SYMBIAN_MULTIMEDIA_ENABLE_LOGGING |
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419 if(err != KErrNone) |
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420 { |
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421 RDebug::Print(_L("!!!!CMMRCServerController::SendPreemptionRequest - error = %d"), err); |
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422 } |
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423 #endif |
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424 |
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425 DP0_RET(err, "err=%d"); |
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426 } |
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427 |
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428 /** |
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429 * Callback from the adaptation |
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430 * @param MLogicalChain* aOldChain |
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431 * @param MLogicalChain* aNewChain |
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432 * @param TMMRCAdaptationToServerRequestResults aResult |
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433 */ |
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434 void CMMRCServerController::AdaptationRequestAcknowledgment(CMMRCServerSession& aServerSession, TMMRCAdaptationToServerRequestResults aResult, TInt /*aError*/) |
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435 { |
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436 DP_CONTEXT(--------> CMMRCServerController::AdaptationRequestAcknowledgment *CD1*, CtxDevSound, DPLOCAL); |
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437 DP_IN(); |
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438 #ifdef SYMBIAN_MULTIMEDIA_ENABLE_LOGGING |
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439 RDebug::Print(_L("size of message queue = %d"), iMMRCServerInfo->RequestsCount()); |
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440 RDebug::Print(_L("size of inprocess queue = %d"), iMMRCServerInfo->AllocatedResourceContextsCount()); |
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441 RDebug::Print(_L("size of paused queue = %d"), iMMRCServerInfo->AllocatedPausedContextsCount()); |
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442 #endif |
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443 |
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444 TUint64 contextId; |
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445 TMMRCServerState serverState; |
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446 TInt err = KErrNone; |
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447 iMMRCServerInfo->ServerState(serverState, contextId); |
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448 switch(serverState) |
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449 { |
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450 case EMMRCServerStateWaitPreemptionResponse: // here we process the response |
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451 { |
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452 switch(aResult) |
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453 { |
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454 case EMMRCAdaptationToServerResourceComplete: |
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455 { |
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456 //we remove the request in process from the queue |
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457 CMMRCServerSession* serverSession = iMMRCServerInfo->PopAndRemoveFirstAllocatedResourceContext(); |
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458 if(serverSession) |
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459 { |
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460 TRAP(err, iMMRCServerInfo->PushPausedContextL(*serverSession)); |
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461 DP1(DLERR,"EPushPauseContextLeft %d", err); |
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462 __ASSERT_DEBUG(err == KErrNone, Panic(EPushPauseContextLeft)); |
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463 } |
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464 //Do not wait for a client acknowledgment |
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465 iMMRCServerInfo->SwitchServerState(EMMRCServerStateIdle, 0); |
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466 } |
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467 break; |
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468 case EMMRCAdaptationToServerResourceTimeout: |
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469 default: |
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470 { |
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471 //jjpy TODO: What if the preemption request failed?! |
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472 // That will be specified/implemented during the integration with the resource manager |
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473 //we remove the request in process from the queue |
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474 iMMRCServerInfo->PopAndRemoveFirstAllocatedResourceContext(); |
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475 } |
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476 } // end switch(aResult) |
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477 } //end case EMMRCServerStateWaitPreemptionResponse |
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478 break; |
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479 case EMMRCServerStateWaitResourceResponseFromAdaptation: // here we process the response |
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480 { |
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481 switch(aResult) |
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482 { |
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483 case EMMRCAdaptationToServerResourceComplete: |
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484 { |
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485 CMMRCServerSession* serverSessionAllocatedResource = iMMRCServerInfo->PopFirstAllocatedResourceContext(); |
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486 if( serverSessionAllocatedResource ) //If some previously some context has allocated a resource |
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487 { |
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488 //check if same context, if not it might be an error |
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489 TAudioContextId contextId = aServerSession.ContextId( ); |
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490 TAudioContextId contextIdAllocatedResource = serverSessionAllocatedResource->ContextId( ); |
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491 #ifdef SYMBIAN_MULTIMEDIA_ENABLE_LOGGING |
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492 RDebug::Print(_L("contextId = %d"), contextId.Id()); |
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493 RDebug::Print(_L("contextIdAllocatedResource = %d"), contextIdAllocatedResource.Id()); |
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494 #endif |
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495 MLogicalChain* logicalChainNew = aServerSession.LogicalChainRequested(); |
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496 MLogicalChain* logicalChainOld = aServerSession.LogicalChainLastCommited(); |
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497 TAudioState audioStateNew = logicalChainNew->StreamState ( ); |
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498 if(contextId != contextIdAllocatedResource) |
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499 { |
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500 //it is ok if the rule said process always |
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501 MLogicalChain* logicalChainUsingResource = serverSessionAllocatedResource->LogicalChainLastCommited(); |
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502 TAudioState audioStateAllocatedResource = logicalChainUsingResource->StreamState(); |
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503 TAudioState audioStateNew = logicalChainNew->StreamState ( ); |
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504 TMMRCRule rule = DecisionRule(audioStateAllocatedResource, audioStateNew); |
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505 if( rule != EAlwaysProcess ) |
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506 { |
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507 //not possible in theory... this is an error |
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508 #ifdef SYMBIAN_MULTIMEDIA_ENABLE_LOGGING |
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509 RDebug::Print(_L("!!!!CMMRCServerController::AdaptationRequestAcknowledgment - contextId allocating a resource and new request different. Should be the same!"), iMMRCServerInfo->AllocatedResourceContextsCount()); |
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510 #endif |
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511 } |
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512 } |
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513 else //same context here, so check if the resource has been deallocated |
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514 { |
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515 // in case of stop etc. remove from in process request |
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516 //now check the reason |
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517 TAudioState audioStateOld = EUninitialized; |
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518 if(logicalChainOld) |
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519 { |
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520 audioStateOld = logicalChainOld->StreamState(); |
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521 } |
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522 TReason reason = ActionReason(audioStateOld, audioStateNew); |
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523 |
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524 if (reason == ELoad) |
|
525 { |
|
526 iARNNotificationObject->Cancel(); |
|
527 iMMRCServerInfo->PopAndRemovePausedContext(contextId); |
|
528 } |
|
529 else if (reason == EUnload) |
|
530 { |
|
531 iARNNotificationObject->Initialize(); |
|
532 iMMRCServerInfo->PopAndRemoveFirstAllocatedResourceContextByContextId(contextId); |
|
533 } |
|
534 } |
|
535 } |
|
536 else //no in process request locking a resource |
|
537 { |
|
538 MLogicalChain* logicalChainNew = aServerSession.LogicalChainRequested(); |
|
539 MLogicalChain* logicalChainOld = aServerSession.LogicalChainLastCommited(); |
|
540 TAudioState audioStateNew = logicalChainNew->StreamState ( ); |
|
541 TAudioState audioStateOld = EUninitialized; |
|
542 if(logicalChainOld) |
|
543 { |
|
544 audioStateOld = logicalChainOld->StreamState(); |
|
545 } |
|
546 TReason reason = ActionReason(audioStateOld, audioStateNew); |
|
547 if( reason == ELoad || |
|
548 reason == EPrimeReason || |
|
549 reason == EActivate ) |
|
550 { |
|
551 TRAP(err, iMMRCServerInfo->PushAllocatedResourceContextL( aServerSession )); |
|
552 DP1(DLERR,"EPushAllocatedResourceContextFailed %d", err); |
|
553 __ASSERT_DEBUG(err == KErrNone, Panic(EPushAllocatedResourceContextFailed)); |
|
554 } |
|
555 } |
|
556 iMMRCServerInfo->SwitchServerState(EMMRCServerStateIdle, 0); |
|
557 } |
|
558 break; |
|
559 case EMMRCAdaptationToServerResourceTimeout: |
|
560 default: |
|
561 { |
|
562 //Just switch the state |
|
563 iMMRCServerInfo->SwitchServerState(EMMRCServerStateIdle, 0); |
|
564 } |
|
565 break; |
|
566 } //end switch switch(aResult) |
|
567 } // end case EMMRCServerStateWaitResourceResponseFromAdaptation |
|
568 break; |
|
569 case EMMRCServerStateIdle: //not possible.... |
|
570 default: |
|
571 break; |
|
572 } |
|
573 |
|
574 TRAP(err, ProcessNextRequestL()); |
|
575 DP1(DLERR,"EProcessNextRequestLeft %d", err); |
|
576 __ASSERT_DEBUG(err == KErrNone, Panic(EProcessNextRequestLeft)); |
|
577 DP_OUT(); |
|
578 } |
|
579 |
|
580 /* |
|
581 * |
|
582 */ |
|
583 void CMMRCServerController::NotifyPausedClientsResourceUnallocated() |
|
584 { |
|
585 DP_CONTEXT(----> CMMRCServerController::NotifyClientsResourceUnallocated *CD1*, CtxDevSound, DPLOCAL); |
|
586 DP_IN(); |
|
587 |
|
588 CMMRCServerSession* serverSession = iMMRCServerInfo->PopAndRemoveFirstPausedContext( ); |
|
589 while( serverSession ) |
|
590 { |
|
591 serverSession->NotifyClientResourceUnallocated(); |
|
592 serverSession = iMMRCServerInfo->PopAndRemoveFirstPausedContext( ); |
|
593 } |
|
594 |
|
595 DP_OUT(); |
|
596 } |
|
597 |
|
598 /* |
|
599 * |
|
600 */ |
|
601 void CMMRCServerController::CloseSessionByContextId(TInt32 aContextId) |
|
602 { |
|
603 DP_CONTEXT(----> CMMRCServerController::CloseSessionByContextId *CD1*, CtxDevSound, DPLOCAL); |
|
604 DP_IN(); |
|
605 |
|
606 while( iMMRCServerInfo->PopAndRemoveFirstAllocatedResourceContextByContextId( aContextId ) ){} |
|
607 while( iMMRCServerInfo->PopAndRemoveFirstRequestByContextId( aContextId ) ){} |
|
608 while( iMMRCServerInfo->PopAndRemovePausedContext( aContextId ) ){} |
|
609 while( iMMRCServerInfo->PopAndRemoveFirstAPRContextByContextId( aContextId ) ){} |
|
610 TUint64 contextId; |
|
611 TMMRCServerState serverState; |
|
612 iMMRCServerInfo->ServerState(serverState, contextId); |
|
613 if( contextId == aContextId) |
|
614 { |
|
615 iMMRCServerInfo->SwitchServerState(EMMRCServerStateIdle, 0); |
|
616 } |
|
617 #ifdef SYMBIAN_MULTIMEDIA_ENABLE_LOGGING |
|
618 RDebug::Print(_L("size of message queue = %d"), iMMRCServerInfo->RequestsCount()); |
|
619 RDebug::Print(_L("size of inprocess queue = %d"), iMMRCServerInfo->AllocatedResourceContextsCount()); |
|
620 RDebug::Print(_L("size of paused queue = %d"), iMMRCServerInfo->AllocatedPausedContextsCount()); |
|
621 RDebug::Print(_L("size of APR queue = %d"), iMMRCServerInfo->AllocatedAPRContextsCount()); |
|
622 #endif |
|
623 |
|
624 DP_OUT(); |
|
625 } |
|
626 |
|
627 /* |
|
628 * |
|
629 */ |
|
630 void CMMRCServerController::ServerState(TMMRCServerState& aServerState, TUint64& aContextId) const |
|
631 { |
|
632 iMMRCServerInfo->ServerState(aServerState, aContextId); |
|
633 } |
|
634 |
|
635 /** |
|
636 |
|
637 */ |
|
638 TInt CMMRCServerController::EnqueueRequestForAPRL(CMMRCServerSession& aServerSession) |
|
639 { |
|
640 DP_CONTEXT(----> CMMRCServerController::EnqueueRequestForAPRL *CD1*, CtxDevSound, DPLOCAL); |
|
641 DP_IN(); |
|
642 |
|
643 //add the request to the queue |
|
644 TInt err = KErrNone; |
|
645 //if already there, should return KErrAlreadyExists |
|
646 |
|
647 if (iMMRCServerInfo->IsOnAPRList(aServerSession.ContextId())) |
|
648 { |
|
649 err = KErrAlreadyExists; |
|
650 } |
|
651 else |
|
652 { |
|
653 iMMRCServerInfo->PushAPRContextL(aServerSession); |
|
654 } |
|
655 DP0_RET(err, "err=%d"); |
|
656 } |
|
657 |
|
658 /** |
|
659 |
|
660 */ |
|
661 TInt CMMRCServerController::RemoveRequestForAPR(CMMRCServerSession& aServerSession) |
|
662 { |
|
663 DP_CONTEXT(----> CMMRCServerController::RemoveRequestForAPR *CD1*, CtxDevSound, DPLOCAL); |
|
664 DP_IN(); |
|
665 |
|
666 TInt err = KErrNone; |
|
667 TInt32 iContextId = aServerSession.ContextId(); |
|
668 TBool iIsOnAPRList = iMMRCServerInfo->IsOnAPRList(iContextId); |
|
669 if(iIsOnAPRList) |
|
670 { |
|
671 |
|
672 // Its possible that the remove request has occured whilst clients are being notified that the resource is available |
|
673 // Check if a notification sequence is currently under way |
|
674 if ( iARNNotificationObject->IsActive() ) |
|
675 { |
|
676 |
|
677 // Iterate through each paused client |
|
678 for ( TInt index = 0 ; index < iMMRCServerInfo->AllocatedPausedContextsCount() ; index++ ) |
|
679 { |
|
680 |
|
681 // Find the client that has requested removal in the list |
|
682 TAudioContextId id = iMMRCServerInfo->PausedContextByIndex(index)->ContextId(); |
|
683 if ( aServerSession.ContextId() == id ) |
|
684 { |
|
685 // Object has already received a notification |
|
686 if ( index < iARNNotificationObject->iIndex ) |
|
687 { |
|
688 // decrement the notification objects list index to account for the item that will be removed from the queue |
|
689 --iARNNotificationObject->iIndex; |
|
690 } |
|
691 |
|
692 // no action needs to be taken if |
|
693 // index >= iMMRCServerInfo.iIndex |
|
694 |
|
695 break; |
|
696 } |
|
697 } |
|
698 |
|
699 } |
|
700 |
|
701 iMMRCServerInfo->PopAndRemoveFirstAPRContextByContextId(iContextId); |
|
702 iMMRCServerInfo->PopAndRemovePausedContext(iContextId); //removing this session from the list of paused too. |
|
703 } |
|
704 else |
|
705 { |
|
706 err = KErrCancel; |
|
707 } |
|
708 |
|
709 DP0_RET(err, "err=%d"); |
|
710 } |
|
711 |
|
712 /** |
|
713 |
|
714 */ |
|
715 TInt CMMRCServerController::WillResumePlay() |
|
716 { |
|
717 DP_CONTEXT(----> CMMRCServerController::WillResumePlay *CD1*, CtxDevSound, DPLOCAL); |
|
718 DP_IN(); |
|
719 |
|
720 TInt err = KErrNone; |
|
721 iARNNotificationObject->Cancel(); |
|
722 |
|
723 |
|
724 DP0_RET(err, "err=%d"); |
|
725 } |
|
726 |
|
727 |
|
728 //From CActive |
|
729 /** |
|
730 * Constructor. |
|
731 */ |
|
732 CARNNotificationObject::CARNNotificationObject(const TInt aPriority) |
|
733 :CActive(aPriority) |
|
734 { |
|
735 TRACE_CREATE(); |
|
736 DP_CONTEXT(----> CARNNotificationObject::CARNNotificationObject *CD1*, CtxDevSound, DPLOCAL); |
|
737 DP_IN(); |
|
738 |
|
739 |
|
740 DP_OUT(); |
|
741 } |
|
742 |
|
743 |
|
744 /** |
|
745 * Destructor. |
|
746 */ |
|
747 CARNNotificationObject::~CARNNotificationObject() |
|
748 { |
|
749 DP_CONTEXT(----> CARNNotificationObject::~CARNNotificationObject *CD1*, CtxDevSound, DPLOCAL); |
|
750 DP_IN(); |
|
751 |
|
752 Cancel(); |
|
753 iTimer.Close(); |
|
754 delete iMMRCServerInfo; |
|
755 |
|
756 DP_OUT(); |
|
757 } |
|
758 |
|
759 |
|
760 /** |
|
761 CARNNotificationObject::ConstructL |
|
762 Symbian 2nd phase constructor can leave. |
|
763 */ |
|
764 void CARNNotificationObject::ConstructL(CMMRCServerInfo& aMMRCServerInfo) |
|
765 { |
|
766 DP_CONTEXT(----> CARNNotificationObject::ConstructL *CD1*, CtxDevSound, DPLOCAL); |
|
767 DP_IN(); |
|
768 |
|
769 iMMRCServerInfo = &aMMRCServerInfo; |
|
770 CActiveScheduler::Add(this); |
|
771 User::LeaveIfError(iTimer.CreateLocal()); |
|
772 |
|
773 |
|
774 DP_OUT(); |
|
775 } |
|
776 |
|
777 // --------------------------------------------------------------------------- |
|
778 // CARNNotificationObject::NewL |
|
779 // --------------------------------------------------------------------------- |
|
780 CARNNotificationObject* CARNNotificationObject::NewL(const TInt aPriority, CMMRCServerInfo& aMMRCServerInfo) |
|
781 { |
|
782 DP_STATIC_CONTEXT(----> CARNNotificationObject::NewL *CD1*, CtxDevSound, DPLOCAL); |
|
783 DP_IN(); |
|
784 |
|
785 CARNNotificationObject* self = new(ELeave)CARNNotificationObject(aPriority); |
|
786 CleanupStack::PushL(self); |
|
787 self->ConstructL(aMMRCServerInfo); |
|
788 CleanupStack::Pop(self); |
|
789 |
|
790 DP0_RET(self, "0x%x"); |
|
791 } |
|
792 |
|
793 // --------------------------------------------------------------------------- |
|
794 // CARNNotificationObject::RunL |
|
795 // --------------------------------------------------------------------------- |
|
796 void CARNNotificationObject::RunL() |
|
797 { |
|
798 DP_CONTEXT(CARNNotificationObject::RunL *CD1*, CtxDevSound, DPLOCAL); |
|
799 DP_IN(); |
|
800 |
|
801 #if defined(_DEBUG) && defined(__WINS__) |
|
802 const TTimeIntervalMicroSeconds32 KTimer = 1.8*1000000; // 1.8 seconds |
|
803 #else |
|
804 const TTimeIntervalMicroSeconds32 KTimer = 800000; // 0.8 seconds |
|
805 #endif |
|
806 |
|
807 TInt numPausedContext = iMMRCServerInfo->AllocatedPausedContextsCount(); |
|
808 |
|
809 // The list may have been modified whilst the AO was asleep, need to check that: |
|
810 // 1) iIndex is still in range |
|
811 // 2) the object at that location should still receive a notification |
|
812 |
|
813 if ( (iIndex > -1) && (iIndex < numPausedContext) ) |
|
814 { |
|
815 CMMRCServerSession* mmrcSession = iMMRCServerInfo->PausedContextByIndex(iIndex); |
|
816 |
|
817 TAudioContextId id = mmrcSession->ContextId( ); |
|
818 TBool isOnAPRList = iMMRCServerInfo->IsOnAPRList(id); |
|
819 if(isOnAPRList) |
|
820 { |
|
821 mmrcSession->NotifyClientResourceUnallocated(); |
|
822 } |
|
823 |
|
824 |
|
825 for(TInt aux = iIndex + 1; aux < numPausedContext ; aux++) |
|
826 { |
|
827 mmrcSession = iMMRCServerInfo->PausedContextByIndex(aux); |
|
828 id = mmrcSession->ContextId( ); |
|
829 isOnAPRList = iMMRCServerInfo->IsOnAPRList(id); |
|
830 if(isOnAPRList) |
|
831 { |
|
832 iIndex = aux; |
|
833 After(KTimer); |
|
834 break; |
|
835 } |
|
836 } |
|
837 } |
|
838 |
|
839 else |
|
840 { |
|
841 iIndex = 0; |
|
842 } |
|
843 |
|
844 DP_OUT(); |
|
845 } |
|
846 |
|
847 // --------------------------------------------------------------------------- |
|
848 // CARNNotificationObject::After |
|
849 // --------------------------------------------------------------------------- |
|
850 void CARNNotificationObject::After(TTimeIntervalMicroSeconds32 aInterval) |
|
851 { |
|
852 DP_CONTEXT(CARNNotificationObject::After *CD1*, CtxDevSound, DPLOCAL); |
|
853 DP_IN(); |
|
854 |
|
855 Cancel(); |
|
856 iTimer.After(iStatus,aInterval); |
|
857 SetActive(); |
|
858 |
|
859 DP_OUT(); |
|
860 } |
|
861 |
|
862 // --------------------------------------------------------------------------- |
|
863 // CARNNotificationObject::Initialize |
|
864 // --------------------------------------------------------------------------- |
|
865 void CARNNotificationObject::Initialize() |
|
866 { |
|
867 DP_CONTEXT(CARNNotificationObject::Initialize *CD1*, CtxDevSound, DPLOCAL); |
|
868 DP_IN(); |
|
869 |
|
870 #if defined(_DEBUG) && defined(__WINS__) |
|
871 const TTimeIntervalMicroSeconds32 KTimer = 1.8*1000000; // 1.8 seconds |
|
872 #else |
|
873 const TTimeIntervalMicroSeconds32 KTimer = 800000; // 0.8 seconds |
|
874 #endif |
|
875 |
|
876 TInt numPausedContext = iMMRCServerInfo->AllocatedPausedContextsCount(); |
|
877 iIndex = 0; |
|
878 CMMRCServerSession* mmrcSession = NULL; |
|
879 |
|
880 if(numPausedContext) // don't bother if zero. |
|
881 { |
|
882 for(TInt i(0); i<numPausedContext ; ++i) |
|
883 { |
|
884 mmrcSession = iMMRCServerInfo->PausedContextByIndex(i); |
|
885 TAudioContextId id = mmrcSession->ContextId( ); |
|
886 TBool isOnAPRList = iMMRCServerInfo->IsOnAPRList(id); |
|
887 if(isOnAPRList) |
|
888 { |
|
889 iIndex = i; |
|
890 After(KTimer); |
|
891 break; |
|
892 } |
|
893 } |
|
894 } |
|
895 |
|
896 DP_OUT(); |
|
897 } |
|
898 |
|
899 // --------------------------------------------------------------------------- |
|
900 // CMMRCServer::DoCancel |
|
901 // --------------------------------------------------------------------------- |
|
902 void CARNNotificationObject::DoCancel() |
|
903 { |
|
904 DP_CONTEXT(CARNNotificationObject::DoCancel *CD1*, CtxDevSound, DPLOCAL); |
|
905 DP_IN(); |
|
906 |
|
907 iTimer.Cancel(); |
|
908 |
|
909 DP_OUT(); |
|
910 } |
|
911 |
|
912 |
|
913 void CMMRCServerController::Panic(TMMRCServerControllerPanicCodes aCode) |
|
914 { |
|
915 User::Panic(KMMRCServerControllerPanicCategory, aCode); |
|
916 } |
|
917 //EOF |