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1 /* |
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2 * Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Server core |
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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 |
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22 |
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23 #include <e32base.h> |
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24 |
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25 #include "mdhserver.h" |
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26 #include "mdhcommon.h" |
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27 #include "mdhserversession.h" |
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28 #include "mdhmediaservercontainer.h" |
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29 |
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30 #include "msdebug.h" |
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31 |
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32 // ============================ MEMBER FUNCTIONS ============================= |
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33 |
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34 // --------------------------------------------------------------------------- |
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35 // CCmMdhServer::CCmMdhServer |
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36 // constructor |
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37 // --------------------------------------------------------------------------- |
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38 // |
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39 CCmMdhServer::CCmMdhServer() |
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40 : CPolicyServer( CActive::EPriorityHigh, KCmMdhServerPolicy ) |
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41 { |
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42 LOG(_L("[CmMdh Server]\t CCmMdhServer::CCmMdhServer")); |
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43 iServerState = ECmMdhServerStateIdle; |
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44 } |
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45 |
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46 // --------------------------------------------------------------------------- |
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47 // CCmMdhServer::ConstructL |
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48 // 2nd phase constructor |
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49 // --------------------------------------------------------------------------- |
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50 // |
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51 void CCmMdhServer::ConstructL() |
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52 { |
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53 LOG(_L("[CmMdh Server]\t CCmMdhServer::ConstructL")); |
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54 |
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55 iSessionCount = 0; |
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56 |
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57 StartL( KCmMdhServerName ); |
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58 |
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59 LOG(_L("[CmMdh Server]\t CCmMdhServer::ConstructL end")); |
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60 } |
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61 |
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62 // --------------------------------------------------------------------------- |
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63 // CCmMdhServer::NewLC |
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64 // (other items were commented in a header). |
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65 // --------------------------------------------------------------------------- |
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66 // |
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67 CCmMdhServer* CCmMdhServer::NewLC() |
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68 { |
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69 LOG(_L("[CmMdh Server]\t CCmMdhServer::NewLC")); |
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70 CCmMdhServer *self = new (ELeave) CCmMdhServer(); |
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71 CleanupStack::PushL( self ); |
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72 self->ConstructL(); |
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73 return self; |
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74 } |
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75 |
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76 // --------------------------------------------------------------------------- |
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77 // CCmMdhServer::~CCmMdhServer |
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78 // destructor |
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79 // (other items were commented in a header). |
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80 // --------------------------------------------------------------------------- |
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81 // |
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82 CCmMdhServer::~CCmMdhServer() |
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83 { |
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84 LOG(_L("[CmMdh Server]\t CCmMdhServer::~CCmMdhServer")); |
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85 delete iMediaserverContainer; |
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86 LOG(_L("[CmMdh Server]\t CCmMdhServer::~CCmMdhServer end")); |
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87 } |
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88 |
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89 // --------------------------------------------------------------------------- |
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90 // CCmMdhServer:: |
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91 // |
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92 // (other items were commented in a header). |
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93 // --------------------------------------------------------------------------- |
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94 // |
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95 void CCmMdhServer::CreateMediaserverContainerL() |
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96 { |
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97 LOG(_L("[CmMdh Server]\t CCmMdhServer::CreateMediaserverContainerL")); |
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98 |
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99 if ( !iMediaserverContainer ) |
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100 { |
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101 iMediaserverContainer = |
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102 CCmMdhMediaserverContainer::NewL( *this ); |
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103 LOG(_L("[CmMdh Server]\t MediaserverContainer created")); |
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104 } |
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105 |
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106 } |
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107 |
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108 // --------------------------------------------------------------------------- |
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109 // CCmMdhServer::DestroyMediaserverContainer |
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110 // |
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111 // (other items were commented in a header). |
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112 // --------------------------------------------------------------------------- |
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113 // |
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114 void CCmMdhServer::DestroyMediaserverContainer() |
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115 { |
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116 LOG(_L("[CmMdh Server]\t CCmMdhServer::DestroyMediaserverContainer")); |
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117 |
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118 if ( iMediaserverContainer ) |
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119 { |
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120 delete iMediaserverContainer; iMediaserverContainer = NULL; |
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121 LOG(_L("[CmMdh Server]\t MediaserverContainer destroyed")); |
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122 } |
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123 } |
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124 |
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125 // --------------------------------------------------------------------------- |
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126 // CCmMdhServer::MediaserverContainer |
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127 // |
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128 // (other items were commented in a header). |
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129 // --------------------------------------------------------------------------- |
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130 // |
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131 CCmMdhMediaserverContainer& CCmMdhServer::MediaserverContainer() |
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132 { |
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133 return *iMediaserverContainer; |
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134 } |
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135 |
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136 // --------------------------------------------------------------------------- |
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137 // CCmMdhServer::NewSessionL |
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138 // Creates a new session to the server if version information is correct. |
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139 // (other items were commented in a header). |
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140 // --------------------------------------------------------------------------- |
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141 // |
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142 CSession2* CCmMdhServer::NewSessionL( const TVersion & aVersion, |
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143 const RMessage2 &/*aMessage*/) const |
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144 { |
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145 LOG(_L("[CmMdh Server]\t CCmMdhServer::NewSessionL")); |
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146 |
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147 #ifdef _DEBUG |
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148 |
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149 TInt alloc; |
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150 TInt cells = User::Heap().AllocSize( alloc ); |
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151 TInt size = User::Heap().Size(); |
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152 TRACE( Print( |
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153 _L("[CmMdh Server]\t NewSessionL allocsize %d, size %d, cells %d"), |
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154 alloc, |
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155 size, |
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156 cells ) ); |
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157 |
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158 #endif |
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159 |
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160 // check we're the right version |
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161 TVersion version( KCmMdhServerMajor, |
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162 KCmMdhServerMinor, |
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163 KCmMdhServerBuild); |
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164 |
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165 if( !User::QueryVersionSupported( version, aVersion ) ) |
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166 { |
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167 User::Leave( KErrNotSupported ); |
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168 } |
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169 // make new session |
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170 return CCmMdhSession::NewL( iMediaserverContainer, |
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171 *const_cast<CCmMdhServer*>(this) ); |
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172 } |
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173 |
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174 // --------------------------------------------------------------------------- |
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175 // CCmMdhServer::SetServerStateL |
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176 // |
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177 // (other items were commented in a header). |
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178 // --------------------------------------------------------------------------- |
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179 // |
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180 void CCmMdhServer::SetServerStateL( TCmMdhServerState aServerState, |
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181 TInt aErrCode /* = KErrNone */) |
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182 { |
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183 LOG(_L("[CmMdh Server]\t CCmMdhServer::SetServerState")); |
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184 TRACE( Print( _L("[CmMdh Server]\t Setting server state from %d to %d"), |
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185 iServerState, aServerState)); |
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186 |
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187 if ( iServerState == aServerState ) |
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188 { |
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189 return; |
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190 } |
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191 |
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192 TBool validTransition = EFalse; |
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193 |
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194 switch ( iServerState ) |
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195 { |
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196 case ECmMdhServerStateIdle: |
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197 if ( aServerState ) // search or harvest started |
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198 { |
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199 validTransition = ETrue; |
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200 } |
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201 break; |
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202 case ECmMdhServerStateSearching: |
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203 if ( aServerState == ECmMdhServerStateIdle ) // search complete |
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204 { |
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205 if ( aErrCode ) |
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206 { |
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207 //DestroyMediaserverContainer(); |
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208 } |
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209 iCurrentAsyncMsg.Complete( aErrCode ); |
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210 validTransition = ETrue; |
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211 } |
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212 break; |
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213 case ECmMdhServerStateHarvesting: |
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214 if ( aServerState == ECmMdhServerStateIdle ) // harvest complete |
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215 { |
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216 //DestroyMediaserverContainer(); |
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217 LOG(_L("[CmMdh Server]\t Completing...")); |
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218 iCurrentAsyncMsg.Complete( aErrCode ); |
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219 LOG(_L("[CmMdh Server]\t Completed...")); |
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220 validTransition = ETrue; |
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221 if ( iSessionCount <= 0) |
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222 { |
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223 // shutdown server |
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224 LOG(_L("[CmMdh Server]\t Harvest complete, \ |
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225 shutting down..")); |
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226 CActiveScheduler::Stop(); |
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227 } |
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228 } |
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229 break; |
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230 default: |
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231 // nothing |
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232 break; |
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233 } |
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234 if (validTransition) |
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235 { |
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236 iServerState = aServerState; |
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237 } |
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238 else |
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239 { |
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240 User::Leave( KErrNotReady ); |
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241 } |
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242 } |
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243 |
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244 // --------------------------------------------------------------------------- |
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245 // CCmMdhServer::DecrementSessions |
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246 // |
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247 // (other items were commented in a header). |
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248 // --------------------------------------------------------------------------- |
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249 // |
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250 void CCmMdhServer::DecrementSessions() |
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251 { |
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252 LOG(_L("[CmMdh Server]\t CCmMdhServer::DecrementSessions")); |
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253 |
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254 if ( --( iSessionCount) <= 0 |
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255 && iServerState!= ECmMdhServerStateHarvesting ) |
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256 { |
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257 LOG(_L("[CmMdh Server]\t Destroying media server container...")); |
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258 DestroyMediaserverContainer(); |
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259 // shutdown server |
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260 LOG(_L("[CmMdh Server]\t No sessions left, shutting down..")); |
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261 CActiveScheduler::Stop(); |
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262 } |
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263 #ifdef _DEBUG |
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264 |
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265 TInt alloc; |
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266 TInt cells = User::Heap().AllocSize( alloc ); |
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267 TInt size = User::Heap().Size(); |
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268 TRACE( Print( |
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269 _L( |
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270 "[CmMdh Server]\t DecrementSessions allocsize %d, size %d, cells %d" |
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271 ), |
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272 alloc, |
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273 size, |
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274 cells )); |
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275 #endif |
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276 } |
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277 |
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278 // -------------------------------------------------------------------------- |
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279 // CCmMdhServer::IncrementSessions |
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280 // -------------------------------------------------------------------------- |
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281 void CCmMdhServer::IncrementSessions() |
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282 { |
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283 LOG(_L("[CmMdh Server]\t CCmMdhServer::IncrementSessions")) |
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284 ++iSessionCount; |
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285 } |
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286 |
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287 // --------------------------------------------------------------------------- |
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288 // CCmMdhServer::ServerState |
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289 // |
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290 // (other items were commented in a header). |
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291 // --------------------------------------------------------------------------- |
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292 // |
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293 TCmMdhServerState CCmMdhServer::ServerState() |
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294 { |
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295 LOG(_L("[CmMdh Server]\t CCmMdhServer::ServerState")); |
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296 return iServerState; |
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297 } |
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298 |
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299 // --------------------------------------------------------------------------- |
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300 // CCmMdhServer::SetCurrentAsyncMsg |
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301 // |
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302 // (other items were commented in a header). |
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303 // --------------------------------------------------------------------------- |
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304 // |
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305 void CCmMdhServer::SetCurrentAsyncMsg( const RMessage2& aMessage ) |
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306 { |
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307 LOG(_L("[CmMdh Server]\t CCmServer::SetCurrentAsyncMsg")); |
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308 iCurrentAsyncMsg = aMessage; |
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309 } |
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310 |
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311 |
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312 // ========================== OTHER EXPORTED FUNCTIONS ======================= |
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313 |
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314 // --------------------------------------------------------------------------- |
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315 // PanicServer |
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316 // Server panic handler |
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317 // Panic our own thread |
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318 // --------------------------------------------------------------------------- |
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319 // |
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320 void PanicServer(TInt aPanic) |
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321 { |
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322 TRACE(Print(_L("[CmMdh Server]\t PanicServer: Reason = %d\n"), aPanic)); |
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323 User::Panic( KCmMdhServerPanic, aPanic ); |
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324 } |
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325 |
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326 // --------------------------------------------------------------------------- |
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327 // PanicClient |
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328 // Client panic handler |
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329 // RMessage2::Panic() also completes the message. This is: |
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330 // (a) important for efficient cleanup within the kernel |
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331 // (b) a problem if the message is completed a second time |
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332 // (other items were commented in a header). |
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333 // --------------------------------------------------------------------------- |
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334 // |
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335 void PanicClient( const RMessage2& aMessage, TInt aPanic ) |
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336 { |
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337 TRACE(Print(_L("[CmMdh Server]\t PanicClient: Reason = %d\n"), aPanic)); |
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338 aMessage.Panic( KCmMdhServerPanic, aPanic ); |
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339 } |
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340 |
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341 // End of File |