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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 "mmrcserver.h" |
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17 #include "mmrcserversession.h" |
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18 #include "mmrcservercontroller.h" |
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19 #include "mmrcserverstart.h" |
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20 #include <a3f/a3ffourcclookup.h> |
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21 #include <a3f/a3f_trace_utils.h> |
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22 |
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23 |
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24 //------------------------------------------------------------------------------------ |
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25 // |
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26 //------------------------------------------------------------------------------------ |
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27 /** |
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28 * Constructor |
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29 */ |
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30 CMMRCServer::CMMRCServer() |
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31 : CServer2(EPriorityStandard) |
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32 { |
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33 TRACE_CREATE(); |
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34 DP_CONTEXT(----> CMMRCServer::CMMRCServer *CD1*, CtxDevSound, DPLOCAL); |
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35 DP_IN(); |
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36 |
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37 Cancel(); |
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38 |
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39 DP_OUT(); |
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40 } |
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41 |
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42 /** |
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43 * Destructor. |
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44 */ |
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45 CMMRCServer::~CMMRCServer() |
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46 { |
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47 DP_CONTEXT(----> CMMRCServer::~CMMRCServer *CD1*, CtxDevSound, DPLOCAL); |
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48 DP_IN(); |
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49 |
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50 if(iMMRCServerController) |
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51 { |
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52 delete iMMRCServerController; |
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53 } |
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54 delete iFourCCConvertor; |
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55 DP_OUT(); |
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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 //------------------------------------------------------------------------------------ |
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61 /** |
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62 * Constructs, and returns a pointer to, a new CMMRCServer object. |
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63 * Leaves on failure. |
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64 * @return CMMRCServer* A pointer to newly created utlitly object. |
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65 */ |
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66 CMMRCServer* CMMRCServer::NewL() |
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67 { |
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68 DP_STATIC_CONTEXT(----> CMMRCServer::NewL *CD1*, CtxDevSound, DPLOCAL); |
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69 DP_IN(); |
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70 |
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71 CMMRCServer* self = NewLC(); |
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72 CleanupStack::Pop(self); |
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73 |
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74 DP0_RET(self, "0x%x"); |
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75 } |
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76 |
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77 /** |
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78 * Constructs, leaves object on the cleanup stack, and returns a pointer |
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79 * to, a new CMMRCServer object. |
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80 * Leaves on failure. |
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81 * @return CMMRCServer* A pointer to newly created utlitly object. |
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82 */ |
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83 CMMRCServer* CMMRCServer::NewLC() |
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84 { |
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85 DP_STATIC_CONTEXT(----> CMMRCServer::Open *CD1*, CtxDevSound, DPLOCAL); |
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86 DP_IN(); |
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87 |
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88 CMMRCServer* self = new(ELeave) CMMRCServer; |
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89 CleanupStack::PushL(self); |
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90 self->ConstructL(); |
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91 |
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92 DP0_RET(self, "self = 0x%x"); |
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93 } |
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94 |
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95 /** |
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96 CMMRCServer::ConstructL |
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97 Symbian 2nd phase constructor can leave. |
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98 */ |
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99 void CMMRCServer::ConstructL() |
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100 { |
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101 DP_CONTEXT(----> CMMRCServer::ConstructL *CD1*, CtxDevSound, DPLOCAL); |
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102 DP_IN(); |
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103 |
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104 iMMRCServerController = CMMRCServerController::NewL(); |
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105 |
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106 iFourCCConvertor = CFourCCConvertor::NewL(); |
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107 DP_OUT(); |
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108 } |
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109 |
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110 //------------------------------------------------------------------------------------ |
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111 // |
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112 //------------------------------------------------------------------------------------ |
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113 /** |
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114 * From CServer2. Creates a server-side client session object. |
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115 * Creates a new session. Only one session may be created with the ControllerProxyServer. |
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116 * This function may leave with one of the system-wide error codes. |
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117 * @param const TVersion& aVersion The version number of the session. |
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118 * @param const RMessage2& aMessage |
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119 * @return A pointer to the new session. |
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120 */ |
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121 CSession2* CMMRCServer::NewSessionL(const TVersion& aVersion, const RMessage2& /*aMessage*/) const |
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122 { |
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123 DP_CONTEXT(----> CMMRCServer::NewSessionL *CD1*, CtxDevSound, DPLOCAL); |
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124 DP_IN(); |
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125 |
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126 TVersion version(KMMRCServerVersion,KMMRCServerMinorVersionNumber,KMMRCServerBuildVersionNumber); |
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127 if(!User::QueryVersionSupported(version, aVersion)) |
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128 { |
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129 User::Leave(KErrNotSupported); |
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130 } |
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131 CMMRCServerSession* mmrcSession = CMMRCServerSession::NewL(*iMMRCServerController, *iFourCCConvertor); |
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132 |
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133 DP0_RET(mmrcSession, "mmrcSession = 0x%x"); |
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134 } |
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135 |
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136 /** |
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137 A utility function to panic the server. |
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138 */ |
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139 void CMMRCServer::PanicServer(TInt aPanic) |
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140 { |
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141 _LIT(KMMRCServerPanic,"MMRC Server panic"); |
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142 User::Panic(KMMRCServerPanic, aPanic); |
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143 } |
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144 |
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145 //------------------------------------------------------------------------------------ |
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146 // |
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147 //------------------------------------------------------------------------------------ |
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148 TInt CMMRCServer::ThreadFunctionL(TAny* /**aStarted*/) |
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149 { |
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150 DP_STATIC_CONTEXT(----> CMMRCServer::ThreadFunctionL *CD1*, CtxDevSound, DPLOCAL); |
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151 DP_IN(); |
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152 |
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153 // create an active scheduler and server |
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154 CActiveScheduler* sched = new (ELeave) CActiveScheduler; |
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155 CleanupStack::PushL(sched); |
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156 |
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157 //Install the active scheduler |
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158 CActiveScheduler::Install(sched); |
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159 |
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160 CMMRCServer *server = CMMRCServer::NewLC(); |
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161 |
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162 |
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163 // Start the server |
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164 TInt err = server->Start(KMMRCServerName); |
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165 if (err != KErrNone) |
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166 { |
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167 CMMRCServer::PanicServer(KErrNoMemory); |
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168 } |
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169 |
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170 // Let everyone know that we are ready to |
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171 // deal with requests. |
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172 RThread::Rendezvous(KErrNone); |
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173 |
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174 // And start fielding requests from client(s). |
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175 CActiveScheduler::Start(); |
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176 |
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177 // Tidy up... |
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178 CleanupStack::PopAndDestroy(2, sched); |
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179 |
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180 DP0_RET(KErrNone, "error = %d"); |
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181 } |
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182 |
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183 /** |
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184 Create the thread that will act as the server. |
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185 This function is exported from the DLL and called by the client. |
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186 |
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187 Note that a server can also be implemented as a separate |
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188 executable (i.e. as a separate process). |
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189 */ |
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190 TInt CMMRCServer::ThreadFunction(TAny* aStarted) |
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191 { |
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192 DP_STATIC_CONTEXT(----> CMMRCServer::ThreadFunction *CD1*, CtxDevSound, DPLOCAL); |
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193 DP_IN(); |
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194 |
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195 // get clean-up stack |
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196 CTrapCleanup* cleanup=CTrapCleanup::New(); |
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197 if (cleanup == NULL) |
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198 { |
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199 CMMRCServer::PanicServer(KErrNoMemory); |
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200 } |
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201 |
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202 TRAPD( err, ThreadFunctionL(aStarted) ); |
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203 |
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204 delete cleanup; |
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205 |
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206 DP0_RET(err, "error = %d"); |
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207 } |
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208 |
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209 /** |
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210 Create the thread that will act as the server. |
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211 This function is exported from the DLL and called by the client. |
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212 |
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213 Note that a server can also be implemented as a separate |
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214 executable (i.e. as a separate process). |
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215 */ |
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216 EXPORT_C TInt StartMMRCServer(RThread& aServerThread) |
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217 { |
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218 TInt res = KErrNone; |
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219 |
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220 // Create the server, if one with this name does not already exist. |
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221 TFindServer findCountServer(KMMRCServerName); |
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222 TFullName name; |
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223 |
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224 // Need to check that the server exists. |
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225 if ( findCountServer.Next(name) != KErrNone ) |
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226 { |
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227 // Create the thread for the server. |
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228 res = aServerThread.Create(KMMRCServerName, |
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229 CMMRCServer::ThreadFunction, |
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230 KMMRCServerStackSize, |
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231 KMMRCServerInitHeapSize, |
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232 KMMRCServerMaxHeapSize, |
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233 NULL |
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234 ); |
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235 |
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236 // The thread has been created OK so get it started - however |
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237 // we need to make sure that it has started before we continue. |
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238 if (res==KErrNone) |
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239 { |
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240 TRequestStatus rendezvousStatus; |
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241 |
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242 aServerThread.SetPriority(EPriorityNormal); |
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243 aServerThread.Rendezvous(rendezvousStatus); |
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244 aServerThread.Resume(); |
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245 User::WaitForRequest(rendezvousStatus); |
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246 } |
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247 |
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248 // The thread has not been created - clearly there's been a problem. |
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249 else |
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250 { |
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251 aServerThread.Close(); |
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252 } |
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253 } |
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254 return res; |
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255 } |
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256 |
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257 //EOF |