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1 /* |
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2 * Copyright (c) 2003-2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "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: Remote File Engine session manager |
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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 // INCLUDE FILES |
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21 #include <e32cons.h> |
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22 #include <e32std.h> |
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23 #include <e32svr.h> |
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24 #include <e32std.h> |
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25 #include <f32file.h> |
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26 |
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27 #include "rsfwcommon.h" |
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28 #include "rsfwinterface.h" |
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29 #include "rsfwrfesession.h" |
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30 #include "rsfwremoteaccess.h" |
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31 #include "mdebug.h" |
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32 #include "rsfwrfeserver.h" |
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33 #include "rsfwrfemessagerequest.h" |
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34 #include "rsfwrequestallocator.h" |
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35 #include "rsfwrfeoperation.h" |
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36 #include "rsfwrfesyncoperation.h" |
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37 #include "rsfwrfeasyncoperation.h" |
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38 |
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39 |
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40 // ============================ MEMBER FUNCTIONS ============================== |
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41 |
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42 // ---------------------------------------------------------------------------- |
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43 // CRsfwRfeSession::NewL |
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44 // ---------------------------------------------------------------------------- |
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45 // |
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46 CRsfwRfeSession* CRsfwRfeSession::NewL(CRsfwRfeServer& aServer) |
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47 { |
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48 CRsfwRfeSession* self = CRsfwRfeSession::NewLC(aServer); |
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49 CleanupStack::Pop(self); |
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50 return self; |
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51 } |
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52 |
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53 // ---------------------------------------------------------------------------- |
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54 // CRsfwRfeSession::NewLC |
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55 // ---------------------------------------------------------------------------- |
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56 // |
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57 CRsfwRfeSession* CRsfwRfeSession::NewLC(CRsfwRfeServer& aServer) |
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58 { |
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59 // the following debug print crashes easily with USER 24: |
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60 // DEBUGSTRING(("CRsfwRfeSession::NewLC")); |
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61 CRsfwRfeSession* self; |
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62 self = new (ELeave) CRsfwRfeSession(aServer); |
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63 CleanupStack::PushL(self); |
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64 self->ConstructL(); |
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65 return self; |
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66 } |
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67 |
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68 // ---------------------------------------------------------------------------- |
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69 // CRsfwRfeSession::CRsfwRfeSession |
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70 // ---------------------------------------------------------------------------- |
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71 // |
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72 CRsfwRfeSession::CRsfwRfeSession(CRsfwRfeServer& aServer) : |
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73 CSession2(), |
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74 iRfeServer(aServer) |
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75 { |
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76 // Implementation not required |
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77 } |
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78 |
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79 // ---------------------------------------------------------------------------- |
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80 // CRsfwRfeSession::ConstructL |
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81 // ---------------------------------------------------------------------------- |
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82 // |
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83 void CRsfwRfeSession::ConstructL() |
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84 { |
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85 iVolumes = iRfeServer.iVolumes; |
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86 iRfeServer.IncrementSessions(); |
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87 |
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88 for (int i = 0; i < KDefaultMessageSlots; i++ ) |
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89 { |
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90 iMessageRequests[i] = NULL; |
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91 } |
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92 } |
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93 |
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94 // ---------------------------------------------------------------------------- |
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95 // CRsfwRfeSession::~CRsfwRfeSession |
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96 // ---------------------------------------------------------------------------- |
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97 // |
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98 CRsfwRfeSession::~CRsfwRfeSession() |
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99 { |
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100 // When the sessions are shared we don't know which |
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101 // volumes can be freed at session shutdown |
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102 iRfeServer.DecrementSessions(); |
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103 } |
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104 |
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105 // ---------------------------------------------------------------------------- |
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106 // CRsfwRfeSession::DisconnectL |
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107 // ---------------------------------------------------------------------------- |
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108 // |
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109 void CRsfwRfeSession::Disconnect(const RMessage2& aMessage) |
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110 { |
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111 // in all messages pending completion for this session |
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112 // mark the session as NULL so that we do not try to complete them later |
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113 for (int i = 0 ; i <KDefaultMessageSlots ; i++) |
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114 { |
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115 CRsfwRfeMessageRequest* mesrequest = iMessageRequests[i]; |
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116 |
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117 if (mesrequest) |
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118 { |
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119 mesrequest->SetSession(NULL); |
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120 } |
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121 |
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122 } |
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123 CSession2::Disconnect(aMessage); |
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124 } |
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125 |
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126 |
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127 // ---------------------------------------------------------------------------- |
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128 // CRsfwRfeSession::ServiceL |
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129 // ---------------------------------------------------------------------------- |
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130 // |
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131 void CRsfwRfeSession::ServiceL(const RMessage2& aMessage) |
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132 { |
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133 DEBUGSTRING16(("CRsfwRfeSession::ServiceL(), function %d", aMessage.Function())); |
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134 |
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135 iRfeServer.ServiceRequested(); |
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136 |
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137 if(aMessage.Function() >= EMaxRfeOperations) |
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138 { |
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139 aMessage.Complete(KErrNotSupported); |
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140 return; |
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141 } |
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142 |
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143 CRsfwRfeMessageRequest* pR = NULL; |
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144 pR=RsfwRequestAllocator::GetMessageRequest(aMessage, this); |
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145 if (!pR) |
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146 { |
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147 aMessage.Complete(KErrNoMemory); |
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148 return; |
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149 } |
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150 |
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151 SetToMessageRequestArray(pR); |
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152 |
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153 // if volume was not found and this was a file system request |
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154 // (not a mounting request), we have completed now with |
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155 // KErrNotReady |
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156 if (pR->iMessageCompleted) |
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157 { |
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158 delete pR; |
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159 return; |
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160 } |
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161 |
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162 CRsfwRfeOperation* pO = NULL; |
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163 pO = GetOperation(pR, aMessage.Function()); |
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164 if(!pO) |
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165 { |
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166 delete pR; |
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167 aMessage.Complete(KErrNoMemory); |
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168 return; |
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169 } |
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170 |
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171 // Request will take ownership of the operation |
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172 pR->SetOperation(pO); |
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173 |
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174 pR->Dispatch(); |
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175 } |
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176 |
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177 |
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178 // ---------------------------------------------------------------------------- |
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179 // CRsfwRfeSession::SetToMessageRequestArray |
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180 // ---------------------------------------------------------------------------- |
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181 // |
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182 void CRsfwRfeSession::SetToMessageRequestArray(CRsfwRfeMessageRequest* aMessageRequest) |
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183 { |
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184 // set message request to the message request array |
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185 for (int i = 0; i < KDefaultMessageSlots; i++) |
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186 { |
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187 if (iMessageRequests[i] == NULL) |
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188 { |
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189 // completely unused slot |
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190 iMessageRequests[i] = aMessageRequest; |
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191 break; |
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192 } |
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193 } |
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194 |
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195 } |
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196 |
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197 |
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198 // ---------------------------------------------------------------------------- |
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199 // CRsfwRfeSession::RemoveFromMessageRequestArray |
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200 // call by request prior to self-destruction |
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201 // ---------------------------------------------------------------------------- |
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202 // |
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203 void CRsfwRfeSession::RemoveFromMessageRequestArray(CRsfwRfeMessageRequest* aMessageRequest) |
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204 { |
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205 // set message request to the message request array |
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206 for (int i = 0; i < KDefaultMessageSlots; i++) |
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207 { |
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208 if (iMessageRequests[i] == aMessageRequest) |
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209 { |
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210 iMessageRequests[i] = NULL; |
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211 } |
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212 } |
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213 |
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214 } |
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215 |
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216 |
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217 // ---------------------------------------------------------------------------- |
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218 // CRsfwRfeSession::Volume |
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219 // ---------------------------------------------------------------------------- |
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220 // |
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221 CRsfwVolumeTable* CRsfwRfeSession::Volume() |
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222 { |
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223 return iVolumes; |
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224 } |
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225 |
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226 // ---------------------------------------------------------------------------- |
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227 // CRsfwRfeSession::Server |
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228 // ---------------------------------------------------------------------------- |
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229 // |
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230 CRsfwRfeServer* CRsfwRfeSession::Server() |
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231 { |
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232 return &iRfeServer; |
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233 } |
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234 |
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235 // ---------------------------------------------------------------------------- |
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236 // CRsfwRfeSession::GetOperation |
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237 // Sets operations to be synchronous or asynhronous |
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238 // ---------------------------------------------------------------------------- |
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239 // |
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240 CRsfwRfeOperation* CRsfwRfeSession::GetOperation(CRsfwRfeRequest* aRequest, TInt aOpCode) |
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241 { |
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242 CRsfwRfeOperation* pO = NULL; |
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243 switch (aOpCode) |
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244 { |
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245 case EDismountByVolumeId: |
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246 case EDismountByDriveLetter: |
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247 case EGetMountList: |
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248 case EGetMountInfo: |
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249 case EFsRoot: |
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250 case EOkToWrite: |
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251 case ESetAttr: |
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252 case EFsIoctl: |
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253 case EDirRefresh: |
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254 case ECancelAll: |
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255 pO = RsfwRequestAllocator::GetSyncOperation(aRequest, aOpCode); |
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256 break; |
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257 |
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258 case EMount: |
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259 case EMountByDriveLetter: |
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260 case ESetMountConnectionState: |
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261 case ERenameReplace: |
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262 case EOpenByPath: |
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263 case EFetch: |
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264 case EFetchData: |
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265 case ELookUp: |
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266 case EGetAttr: |
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267 case EMkDir: |
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268 case ERemoveDir: |
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269 case ERemove: |
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270 case ECreateFile: |
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271 case EClose: |
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272 case EFlush: |
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273 pO = RsfwRequestAllocator::GetAsyncOperation(aRequest, aOpCode); |
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274 break; |
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275 |
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276 default: |
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277 __ASSERT_DEBUG(FALSE, User::Panic(KRfeServer, EUndefinedRequest)); |
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278 // if this happens even in release build |
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279 // pO will stay NULL and the request is completed with KErrNoMemory... |
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280 } |
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281 |
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282 return pO; |
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283 } |
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284 |
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285 // ---------------------------------------------------------------------------- |
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286 // CRsfwRfeSession::PanicClient |
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287 // ---------------------------------------------------------------------------- |
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288 // |
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289 #ifdef NONSHARABLE_SESSION |
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290 void CRsfwRfeSession::PanicClient(TInt aPanic) const |
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291 { |
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292 // Note: this panics the client thread, not server |
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293 Panic(KRfeServer, aPanic); |
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294 } |
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295 #endif |
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296 |
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297 // End of File |