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1 /* |
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2 * Copyright (c) 2009 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: |
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15 * |
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16 */ |
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17 |
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18 #include "toolssrvsession.h" |
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19 #include "toolssrvserver.h" |
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20 // System includes |
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21 |
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22 //User Includes |
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23 #include "ToolsCmdCodes.h" |
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24 |
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25 // Type definitions |
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26 |
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27 // Constants |
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28 const TInt KToolsServerTransferBufferExpandSize = 100; |
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29 const TInt KSlot0 = 0; |
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30 |
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31 // Enumerations |
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32 |
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33 // Classes referenced |
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34 |
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35 |
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36 // Static functions |
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37 // |
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38 // Checks for a null'd handle before attempting complete. |
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39 // If handle is null'd then don't complete as this will panic server. |
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40 // |
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41 void SafeComplete(const RMessagePtr2& aMessage, TInt aCompletionCode) |
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42 { |
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43 if(!aMessage.IsNull()) |
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44 { |
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45 aMessage.Complete(aCompletionCode); |
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46 } |
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47 } |
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48 |
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49 |
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50 |
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51 // |
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52 // CToolsSrvSession (source) |
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53 // |
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54 |
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55 // |
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56 // CToolsSrvServer::CToolsSrvSession() |
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57 // |
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58 // Constructor |
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59 // |
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60 CToolsSrvSession::CToolsSrvSession() |
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61 : iPendingRead(EFalse), |
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62 iLaunchManager(NULL) |
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63 { |
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64 } |
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65 |
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66 // |
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67 // CToolsSrvServer::~CToolsSrvSession() |
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68 // |
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69 // Destructor |
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70 // |
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71 CToolsSrvSession::~CToolsSrvSession() |
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72 { |
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73 HandleServerDestruction(); |
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74 delete iTransferBuffer; |
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75 //get a reference to the server |
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76 CToolsSrvServer* toolsserver = (CToolsSrvServer*)Server(); |
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77 |
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78 //notify the server that the session has been opened |
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79 if (toolsserver != NULL) |
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80 toolsserver->SessionClosed(); |
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81 if(iLaunchManager) |
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82 iLaunchManager->UnregisterListener(this); |
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83 } |
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84 |
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85 // |
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86 // CToolsSrvServer::ConstructL() |
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87 // |
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88 // Creates an instance of CToolsSrvSession. |
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89 // |
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90 void CToolsSrvSession::ConstructL() |
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91 { |
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92 iTransferBuffer = CBufFlat::NewL(KToolsServerTransferBufferExpandSize); |
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93 } |
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94 |
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95 // |
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96 // CToolsSrvSession::CreateL() |
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97 // |
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98 void CToolsSrvSession::CreateL() |
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99 { |
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100 //get a reference to the server |
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101 CToolsSrvServer* toolsserver = (CToolsSrvServer*)Server(); |
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102 |
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103 //notify the server that the session has been opened |
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104 if (toolsserver != NULL) |
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105 { |
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106 toolsserver->SessionOpened(); |
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107 iLaunchManager = toolsserver->GetLaunchInterface(); |
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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 // CToolsSrvServer::NewL() |
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113 // |
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114 // Static self construction |
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115 // |
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116 CToolsSrvSession* CToolsSrvSession::NewL() |
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117 { |
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118 CToolsSrvSession* self = new(ELeave) CToolsSrvSession(); |
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119 CleanupStack::PushL(self); |
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120 self->ConstructL(); |
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121 CleanupStack::Pop(self); |
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122 return self; |
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123 } |
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124 |
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125 // |
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126 // CToolsSrvServer::HandleServerDestruction() |
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127 // |
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128 // Called by the server's destructor. We need to be told that the server is |
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129 // being destroyed. |
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130 // |
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131 void CToolsSrvSession::HandleServerDestruction() |
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132 { |
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133 } |
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134 |
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135 // |
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136 // CToolsSrvServer::ServiceL() |
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137 // |
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138 // Services requests from a client. |
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139 // Called by the IPC framework whenever a client sends a request to the server. |
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140 // |
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141 void CToolsSrvSession::ServiceL(const RMessage2& aMessage) |
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142 { |
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143 |
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144 const TInt cmd = aMessage.Function(); |
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145 |
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146 switch(cmd) |
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147 { |
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148 case EToolsCmdCodeGetUsbConnStatus: |
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149 CmdGetUsbConnStatus(aMessage); |
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150 break; |
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151 case EToolsCmdCodeConnNotify: |
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152 CmdConnNofify(aMessage); |
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153 break; |
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154 case EToolCmdCodeConnNotifyCancel: |
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155 CmdConnNotifyCancel(aMessage); |
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156 break; |
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157 case EToolsCmdCodeShutDownServer: |
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158 CmdShutDownServer(); |
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159 break; |
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160 |
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161 default: |
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162 aMessage.Panic(KServerIntiatedSessionPanic, EToolsServerInitiatedClientPanicInvalidOperation); |
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163 break; |
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164 } |
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165 |
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166 } |
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167 |
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168 // |
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169 // CToolsSrvSession::CmdGetUsbConnStatus |
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170 // |
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171 // Command implementation to find out the usb connection status |
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172 // |
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173 void CToolsSrvSession::CmdGetUsbConnStatus(const RMessage2& aMessage) |
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174 { |
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175 TConnectionStatus status = iLaunchManager->GetUsbConnStatus(); |
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176 TPckg<TConnectionStatus> package(status); |
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177 TRAPD(err,aMessage.Write(KSlot0,package)); |
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178 if (err != KErrNone) |
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179 { |
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180 aMessage.Panic(_L("ToolsServer"),2); |
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181 } |
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182 SafeComplete(aMessage,KErrNone); |
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183 } |
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184 // |
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185 // CToolsSrvSession::CmdConnNofify |
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186 // |
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187 // To register for usb cable connection notifications |
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188 // |
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189 void CToolsSrvSession::CmdConnNofify(const RMessage2& aMessage) |
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190 { |
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191 if (iPendingRead) |
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192 { |
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193 SafeComplete(aMessage, KErrAlreadyExists); |
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194 } |
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195 else |
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196 { |
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197 iLaunchManager->RegisterListener(this); |
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198 iBlockedRead = aMessage; |
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199 iPendingRead = ETrue; |
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200 |
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201 } |
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202 } |
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203 // |
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204 // CToolsSrvSession::CmdConnNotifyCancel |
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205 // |
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206 // To unregister for usb cable connection notifications |
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207 // |
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208 void CToolsSrvSession::CmdConnNotifyCancel(const RMessage2& aMessage) |
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209 { |
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210 if ( iPendingRead && iBlockedRead.Handle()) |
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211 { |
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212 SafeComplete(iBlockedRead, KErrCancel); |
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213 iPendingRead = EFalse; |
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214 iLaunchManager->UnregisterListener(this); |
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215 } |
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216 SafeComplete(aMessage, KErrNone); |
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217 } |
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218 |
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219 // |
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220 // CToolsSrvSession::ConnStatusChanged |
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221 // |
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222 // Called when the usb cable connection changes |
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223 // |
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224 void CToolsSrvSession::ConnStatusChanged(TConnectionStatus aStatus) |
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225 { |
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226 if(iPendingRead && iBlockedRead.Handle()) |
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227 { |
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228 iPendingRead = EFalse; |
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229 TConnectionStatus status = aStatus; |
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230 TPckg<TConnectionStatus> package(status); |
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231 TRAPD(err, iBlockedRead.WriteL(KSlot0, package)); |
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232 if ( err != KErrNone ) |
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233 { |
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234 iBlockedRead.Panic(_L("ToolsServer"),2); |
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235 } |
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236 SafeComplete(iBlockedRead,KErrNone); |
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237 } |
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238 |
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239 } |
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240 // |
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241 // CToolsSrvServer::CmdShutDownServer() |
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242 // |
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243 // Stops the active scheduler. This way, server process will run to completion. |
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244 // |
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245 void CToolsSrvSession::CmdShutDownServer() |
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246 { |
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247 CActiveScheduler::Stop(); |
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248 } |