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1 // Copyright (c) 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 |
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17 #include <mtp/mmtpdataproviderframework.h> |
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18 #include <f32file.h> |
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19 #include "cptpsession.h" |
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20 #include "cptpserver.h" |
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21 #include "cptpreceivedmsghandler.h" |
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22 #include "cmtppictbridgeprinter.h" |
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23 #include "cptptimer.h" |
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24 #include "mtppictbridgedpconst.h" |
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25 #include "ptpdef.h" |
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26 |
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27 // -------------------------------------------------------------------------- |
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28 // |
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29 // 2-phased constructor. |
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30 // -------------------------------------------------------------------------- |
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31 // |
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32 CPtpSession* CPtpSession::NewL(CPtpServer* aServer) |
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33 { |
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34 CPtpSession* self= new (ELeave) CPtpSession(aServer); |
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35 CleanupStack::PushL(self); |
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36 self->ConstructL(); |
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37 CleanupStack::Pop(self); |
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38 return self; |
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39 } |
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40 |
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41 // -------------------------------------------------------------------------- |
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42 // |
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43 // C++ constructor. |
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44 // -------------------------------------------------------------------------- |
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45 // |
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46 CPtpSession::CPtpSession(CPtpServer* aServer) : iServerP(aServer) |
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47 { |
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48 iServerP->Printer()->RegisterObserver(this); // since PTP register service |
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49 // is deprecated we register the observer at session creation |
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50 iServerP->IncrementSessionCount(); |
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51 } |
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52 |
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53 // -------------------------------------------------------------------------- |
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54 // |
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55 // -------------------------------------------------------------------------- |
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56 // |
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57 void CPtpSession::ConstructL() |
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58 { |
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59 __FLOG_OPEN(KMTPSubsystem, KPtpServerLog); |
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60 iTimerP=CPtpTimer::NewL(*this); |
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61 } |
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62 // -------------------------------------------------------------------------- |
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63 // |
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64 // C++ destructor. |
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65 // -------------------------------------------------------------------------- |
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66 // |
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67 CPtpSession::~CPtpSession() |
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68 { |
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69 __FLOG(_L8(">>>CPtpSession::~")); |
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70 delete iTimerP; |
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71 CancelOutstandingRequest(); |
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72 TRAP_IGNORE(CleanupL()); // there is not much we can do at this phase if the removal fails, so just ignore |
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73 if(iServerP->NumSession()) |
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74 { |
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75 iServerP->DecrementSessionCount(); |
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76 } |
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77 __FLOG(_L8("<<<CPtpSession::~")); |
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78 __FLOG_CLOSE; |
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79 } |
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80 |
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81 // -------------------------------------------------------------------------- |
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82 // |
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83 // From CSession2, passes the request forward to DispatchMessageL. |
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84 // -------------------------------------------------------------------------- |
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85 // |
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86 void CPtpSession::ServiceL( const RMessage2& aMessage ) |
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87 { |
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88 __FLOG(_L8(">>>CPtpSession::ServiceL")); |
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89 DispatchMessageL(aMessage); |
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90 __FLOG(_L8("<<<CPtpSession::ServiceL")); |
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91 } |
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92 |
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93 // -------------------------------------------------------------------------- |
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94 // Cleans up the previously received DPS file, since the files are used only |
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95 // for communication |
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96 // -------------------------------------------------------------------------- |
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97 // |
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98 void CPtpSession::CleanupL() |
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99 { |
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100 __FLOG(_L8(">>>CPtpSession::Cleanup")); |
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101 if(iReceivedFile.Size()) |
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102 { |
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103 __FLOG_VA((_L16(" deleting file %S"), &iReceivedFile)); |
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104 User::LeaveIfError(iServerP->Framework().Fs().Delete(iReceivedFile)); |
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105 __FLOG(_L8(" removing from DB")); |
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106 iServerP->RemoveObjectL(iReceivedFile); |
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107 iReceivedFile.Zero(); |
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108 } |
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109 __FLOG(_L8("<<<CPtpSession::Cleanup")); |
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110 } |
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111 |
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112 // -------------------------------------------------------------------------- |
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113 // Handles the request from client. |
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114 // -------------------------------------------------------------------------- |
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115 // |
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116 void CPtpSession::DispatchMessageL( const RMessage2& aMessage ) |
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117 { |
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118 __FLOG_VA((_L8(">>>CPtpSession::DispatchMessageL %d"), aMessage.Function())); |
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119 TInt ret = KErrNone; |
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120 TBool complete = ETrue; |
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121 CleanupL(); // calling this here assumes that the client never makes a new call |
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122 // before it has handled the received DPS message |
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123 switch( aMessage.Function() ) |
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124 { |
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125 case EIsDpsPrinter: |
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126 ret = IsDpsPrinter(aMessage, complete); |
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127 break; |
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128 |
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129 case ECancelIsDpsPrinter: |
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130 CancelIsDpsPrinter(); |
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131 break; |
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132 |
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133 case EGetObjectHandleByName: |
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134 GetObjectHandleByNameL(aMessage); |
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135 break; |
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136 |
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137 case EGetNameByObjectHandle: |
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138 GetNameByObjectHandleL(aMessage); |
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139 break; |
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140 |
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141 case ESendObject: |
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142 ret = SendObject(aMessage, complete); |
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143 break; |
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144 |
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145 case ECancelSendObject: |
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146 CancelSendObject(); |
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147 break; |
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148 |
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149 case EObjectReceivedNotify: |
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150 ret = ObjectReceivedNotify(aMessage, complete); |
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151 break; |
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152 |
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153 case ECancelObjectReceivedNotify: |
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154 CancelObjectReceivedNotify(); |
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155 break; |
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156 |
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157 case EPtpFolder: |
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158 ret = PtpFolder(aMessage); |
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159 break; |
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160 |
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161 default: |
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162 __FLOG(_L8("!!!Error: ---Wrong param from client!!!")); |
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163 aMessage.Panic(KPTPClientPanicCategory, EBadRequest); |
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164 break; |
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165 } |
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166 |
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167 if (complete) |
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168 { |
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169 aMessage.Complete(ret); |
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170 } |
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171 __FLOG_VA((_L8("<<<PtpSession::DispatchMessageL ret=%d"), ret)); |
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172 } |
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173 |
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174 // -------------------------------------------------------------------------- |
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175 // CPtpSession::CancelIsDpsPrinter() |
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176 // Cancels Asynchronous request IsDpsPrinter |
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177 // -------------------------------------------------------------------------- |
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178 // |
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179 void CPtpSession::CancelIsDpsPrinter() |
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180 { |
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181 __FLOG(_L8(">>>CPtpSession::CancelIsDpsPrinter")); |
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182 if (iDpsPrinterMsg.Handle()) |
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183 { |
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184 iDpsPrinterMsg.Complete(KErrCancel); |
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185 iServerP->Printer()->DeRegisterDpsPrinterNotify(this); |
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186 iTimerP->Cancel(); |
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187 iServerP->CancelNotifyOnMtpSessionOpen(this); |
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188 } |
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189 __FLOG(_L8("<<<CPtpSession::CancelIsDpsPrinter")); |
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190 } |
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191 |
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192 // -------------------------------------------------------------------------- |
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193 // CPtpSession::CancelSendObject() |
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194 // Cancel Asynchronous request send Object |
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195 // -------------------------------------------------------------------------- |
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196 // |
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197 void CPtpSession::CancelSendObject() |
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198 { |
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199 __FLOG(_L8(">>>CancelSendObject")); |
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200 if (iSendObjectMsg.Handle()) |
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201 { |
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202 iServerP->Printer()->CancelSendDpsFile(); |
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203 iSendObjectMsg.Complete(KErrCancel); |
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204 iTimerP->Cancel(); |
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205 } |
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206 __FLOG(_L8("<<<CancelSendObject")); |
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207 } |
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208 |
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209 // -------------------------------------------------------------------------- |
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210 // CPtpSession::CancelObjectReceivedNotify() |
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211 // Deregisters for Object received notification |
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212 // -------------------------------------------------------------------------- |
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213 // |
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214 void CPtpSession::CancelObjectReceivedNotify() |
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215 { |
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216 __FLOG(_L8(">>>CancelObjectReceivedNotify")); |
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217 if (iObjectReceivedNotifyMsg.Handle()) |
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218 { |
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219 __FLOG_VA((_L8("the handle is 0x%x"), iObjectReceivedNotifyMsg.Handle())); |
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220 iServerP->Printer()->MsgHandlerP()->DeRegisterReceiveObjectNotify(); |
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221 iObjectReceivedNotifyMsg.Complete(KErrCancel); |
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222 } |
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223 __FLOG(_L8("<<<CancelObjectReceivedNotifiy")); |
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224 } |
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225 |
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226 // -------------------------------------------------------------------------- |
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227 // CPtpSession::IsDpsPrinter() |
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228 // -------------------------------------------------------------------------- |
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229 // |
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230 TInt CPtpSession::IsDpsPrinter(const RMessage2& aMessage, TBool& aComplete) |
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231 { |
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232 __FLOG(_L8(">>>IsDpsPrinter")); |
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233 TInt ret=EPrinterNotAvailable; |
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234 if (!iDpsPrinterMsg.Handle()) // not already pending |
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235 { |
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236 switch (iServerP->Printer()->Status()) |
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237 { |
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238 case CMTPPictBridgePrinter::ENotConnected: |
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239 iDpsPrinterMsg = aMessage; |
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240 iServerP->Printer()->RegisterDpsPrinterNotify(this); |
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241 aComplete = EFalse; |
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242 if(iServerP->MtpSessionOpen()) |
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243 { |
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244 if (!iTimerP->IsActive()) |
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245 { |
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246 iTimerP->After(KDiscoveryTime); |
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247 } |
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248 } |
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249 else |
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250 { |
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251 iServerP->NotifyOnMtpSessionOpen(this); |
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252 } |
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253 // we do not set ret since the value does not really matter, we will be waiting for the discovery to complete |
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254 __FLOG(_L8(" waiting")); |
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255 break; |
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256 |
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257 case CMTPPictBridgePrinter::EConnected: |
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258 ret=EPrinterAvailable; |
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259 aComplete = ETrue; |
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260 __FLOG(_L8(" connected")); |
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261 break; |
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262 |
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263 case CMTPPictBridgePrinter::ENotPrinter: |
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264 ret=EPrinterNotAvailable; |
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265 aComplete = ETrue; |
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266 __FLOG(_L8(" not connected")); |
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267 break; |
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268 |
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269 default: |
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270 break; |
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271 } |
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272 } |
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273 else |
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274 { |
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275 __FLOG(_L8("!!!Error: client message error, duplicated IsDpsPrinter")); |
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276 aMessage.Panic(KPTPClientPanicCategory, ERequestPending); |
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277 aComplete = EFalse; |
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278 } |
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279 __FLOG(_L8("<<<IsDpsPrinter")); |
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280 return ret; |
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281 } |
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282 |
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283 // -------------------------------------------------------------------------- |
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284 // start the timer for printer detection, since we have now session open and |
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285 // we are ready to communicate wioth the host |
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286 // -------------------------------------------------------------------------- |
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287 void CPtpSession::MTPSessionOpened() |
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288 { |
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289 __FLOG(_L8(">>>CPtpSession::MTPSessionOpened")); |
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290 if (!iTimerP->IsActive() && iDpsPrinterMsg.Handle()) |
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291 { |
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292 __FLOG(_L8(" CPtpSession::MTPSessionOpened timer started")); |
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293 iTimerP->After(KDiscoveryTime); |
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294 } |
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295 __FLOG(_L8("<<<CPtpSession::MTPSessionOpened")); |
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296 } |
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297 |
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298 // -------------------------------------------------------------------------- |
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299 // CPtpSession::GetObjectHandleByNameL() |
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300 // |
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301 // -------------------------------------------------------------------------- |
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302 // |
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303 void CPtpSession::GetObjectHandleByNameL(const RMessage2& aMessage) |
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304 { |
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305 __FLOG(_L8(">>>CPtpSession::GetObjectHandleByNameL")); |
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306 TFileName file; |
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307 User::LeaveIfError(aMessage.Read(0, file)); |
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308 __FLOG_VA((_L16("--the file is %S"), &file)); |
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309 TUint32 handle=0; |
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310 TRAP_IGNORE(iServerP->GetObjectHandleByNameL(file, handle)); |
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311 TPckgBuf<TUint32> handlePckg(handle); |
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312 aMessage.WriteL(1, handlePckg); |
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313 __FLOG_VA((_L16("<<<CPtpSession::GetObjectHandleByNameL handle=%d"), handle)); |
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314 } |
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315 |
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316 // -------------------------------------------------------------------------- |
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317 // CPtpSession::GetNameByObjectHandle() |
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318 |
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319 // -------------------------------------------------------------------------- |
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320 // |
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321 void CPtpSession::GetNameByObjectHandleL(const RMessage2& aMessage) |
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322 { |
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323 __FLOG(_L8(">>>CPtpSession::GetNameByObjectHandle")); |
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324 TUint32 handle = 0; |
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325 TPckgBuf<TUint32> pckgHandle(handle); |
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326 User::LeaveIfError(aMessage.Read(1, pckgHandle)); |
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327 TFileName file; |
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328 handle = pckgHandle(); |
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329 __FLOG_VA((_L8("---handle is %x"), handle)); |
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330 TRAP_IGNORE(iServerP->GetObjectNameByHandleL(file, handle)); |
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331 __FLOG_VA((_L16("the file is %S"), &file)); |
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332 aMessage.WriteL(0, file); |
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333 |
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334 __FLOG(_L8("<<<CPtpSession::GetNameByObjectHandle")); |
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335 } |
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336 |
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337 // -------------------------------------------------------------------------- |
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338 // CPtpSession::SendObject() |
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339 // Asynch. request send Object |
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340 // -------------------------------------------------------------------------- |
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341 // |
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342 TInt CPtpSession::SendObject(const RMessage2& aMessage, TBool& aComplete) |
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343 { |
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344 __FLOG(_L8(">>>CPtpSession::SendObject")); |
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345 TInt err(KErrNone); |
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346 |
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347 if (iSendObjectMsg.Handle()) |
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348 { |
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349 __FLOG(_L8("!!!!Error: client message error, duplicated SendObject")); |
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350 aMessage.Panic(KPTPClientPanicCategory, ERequestPending); |
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351 aComplete = EFalse; |
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352 return KErrNone; |
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353 } |
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354 else |
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355 { |
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356 // Parameter add is depracated. We do not send Object added and we do not keep ther DPS object permanently in |
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357 // our system. |
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358 // |
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359 // Sending ObjectAdded Event is not mandatory ( See Appendix B page 78. DPS Usage of USB and PTP in CIPA DC-001-2003) |
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360 |
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361 TBool timeout = aMessage.Int2(); |
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362 __FLOG_VA((_L8("---timeout is %d"), timeout)); |
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363 TFileName file; |
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364 err = aMessage.Read(0, file); |
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365 if (err == KErrNone) |
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366 { |
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367 __FLOG_VA((_L16("---the file is %S"), &file)); |
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368 TInt size = aMessage.Int3(); |
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369 __FLOG_VA((_L8("---the file size is %d"), size)); // size is deprecated and not used anymore |
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370 TRAP(err, iServerP->Printer()->SendDpsFileL(file, timeout, size)); |
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371 if (err == KErrNone) |
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372 { |
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373 iSendObjectMsg = aMessage; |
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374 aComplete = EFalse; |
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375 } |
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376 } |
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377 if ((EFalse != timeout) && !iTimerP->IsActive()) |
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378 { |
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379 iTimerP->After(KSendTimeout); |
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380 } |
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381 __FLOG_VA((_L8("<<<CPtpSession::SendObject err=%d"), err)); |
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382 return err; |
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383 } |
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384 } |
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385 |
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386 // -------------------------------------------------------------------------- |
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387 // CPtpSession::ObjectReceivedNotify() |
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388 // |
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389 // -------------------------------------------------------------------------- |
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390 // |
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391 TInt CPtpSession::ObjectReceivedNotify(const RMessage2& aMessage, |
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392 TBool& aComplete) |
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393 { |
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394 __FLOG(_L8(">>>CPtpSession::ObjectReceivedNotify")); |
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395 if (iObjectReceivedNotifyMsg.Handle()) |
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396 { |
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397 __FLOG(_L8("!!!!Error: client message error, duplicated ObjectReceivedNotify")); |
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398 aMessage.Panic(KPTPClientPanicCategory, ERequestPending); |
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399 aComplete = EFalse; |
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400 return KErrNone; |
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401 } |
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402 else |
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403 { |
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404 //TBool del = aMessage.Int2(); |
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405 //__FLOG_VA((_L8("---the del is %d"), del)); |
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406 |
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407 TBuf<KFileExtLength> ext; |
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408 TInt err = aMessage.Read(0, ext); |
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409 if (err == KErrNone) |
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410 { |
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411 __FLOG_VA((_L16("the extension is %S"), &ext)); |
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412 |
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413 iObjectReceivedNotifyMsg = aMessage; |
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414 aComplete = EFalse; |
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415 iServerP->Printer()->MsgHandlerP()->RegisterReceiveObjectNotify(ext); |
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416 } |
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417 __FLOG(_L8("<<<CPtpSession::ObjectReceivedNotify")); |
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418 return err; |
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419 } |
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420 } |
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421 |
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422 // -------------------------------------------------------------------------- |
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423 // CPtpSession::PtpFolder() |
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424 // Returns PtpFolder Name and Path |
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425 // -------------------------------------------------------------------------- |
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426 // |
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427 TInt CPtpSession::PtpFolder(const RMessage2& aMessage) |
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428 { |
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429 __FLOG(_L8(">>>CPtpSession::PtpFolder")); |
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430 TInt err(KErrNotReady); |
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431 TFileName folder = iServerP->PtpFolder(); |
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432 err = aMessage.Write(0,folder); |
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433 __FLOG_VA((_L16("<<<CPtpSession::PtpFolder %S err(%d)"), &folder, err)); |
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434 return err; |
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435 } |
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436 |
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437 // -------------------------------------------------------------------------- |
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438 // CPtpSession::SendObjectCompleted() |
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439 // |
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440 // -------------------------------------------------------------------------- |
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441 // |
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442 void CPtpSession::SendObjectCompleted(TInt aStatus) |
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443 { |
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444 __FLOG_VA((_L16(">>>CPtpSession::SendObjectCompleted status(%d)"), aStatus)); |
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445 if (iSendObjectMsg.Handle()) |
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446 { |
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447 iSendObjectMsg.Complete(aStatus); |
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448 iTimerP->Cancel(); |
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449 } |
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450 else |
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451 { |
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452 __FLOG(_L8("!!!Warning: CPtpSession::SendObjectCompleted: UNEXPECTED CALL")); |
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453 } |
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454 __FLOG(_L8("<<<CPtpSession::SendObjectCompleted")); |
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455 } |
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456 |
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457 // -------------------------------------------------------------------------- |
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458 // CPtpSession::IsDpsPrinterCompleted() |
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459 // |
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460 // -------------------------------------------------------------------------- |
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461 // |
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462 void CPtpSession::IsDpsPrinterCompleted(TDpsPrinterState aState) |
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463 { |
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464 __FLOG(_L8(">>>CPtpSession::IsDpsPrinterCompleted")); |
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465 if (iDpsPrinterMsg.Handle()) |
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466 { |
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467 iDpsPrinterMsg.Complete(aState); |
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468 iTimerP->Cancel(); |
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469 iServerP->Printer()->DeRegisterDpsPrinterNotify(this); |
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470 } |
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471 else |
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472 { |
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473 __FLOG(_L8("!!!Warning: CPtpSession::IsDpsPrinterCompleted: UNEXPECTED CALL")); |
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474 } |
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475 __FLOG(_L8("<<<CPtpSession::IsDpsPrinterCompleted")); |
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476 } |
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477 |
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478 // -------------------------------------------------------------------------- |
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479 // CPtpSession::ReceivedObjectCompleted() |
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480 // |
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481 // -------------------------------------------------------------------------- |
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482 // |
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483 void CPtpSession::ReceivedObjectCompleted(TDes& aFile) |
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484 { |
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485 __FLOG(_L8(">>>CPtpSession::ReceivedObjectCompleted")); |
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486 if (iObjectReceivedNotifyMsg.Handle()) |
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487 { |
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488 TInt err = iObjectReceivedNotifyMsg.Write(1, aFile); |
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489 iReceivedFile.Copy(aFile); |
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490 __FLOG_VA((_L8("***CPtpSession::ReceivedObjectCompleted err=%d"), err)); |
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491 iObjectReceivedNotifyMsg.Complete(err); |
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492 } |
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493 else |
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494 { |
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495 __FLOG(_L8("!!!Warning: Strange Happened!!!")); |
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496 } |
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497 __FLOG(_L8("<<<CPtpSession::ReceivedObjectCompleted")); |
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498 } |
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499 |
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500 // -------------------------------------------------------------------------- |
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501 // |
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502 // Cancels outstanding request |
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503 // -------------------------------------------------------------------------- |
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504 // |
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505 void CPtpSession::CancelOutstandingRequest() |
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506 { |
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507 __FLOG(_L8(">>>CPtpSession::CancelOutstandingRequest")); |
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508 if (iSendObjectMsg.Handle()) |
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509 { |
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510 iSendObjectMsg.Complete(KErrCancel); |
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511 } |
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512 if (iObjectReceivedNotifyMsg.Handle()) |
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513 { |
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514 iObjectReceivedNotifyMsg.Complete(KErrCancel); |
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515 } |
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516 if (iDpsPrinterMsg.Handle()) |
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517 { |
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518 iDpsPrinterMsg.Complete(KErrCancel); |
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519 } |
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520 __FLOG(_L8("<<<CPtpSession::CancelOutstandingRequest")); |
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521 } |
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522 // -------------------------------------------------------------------------- |
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523 // |
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524 // -------------------------------------------------------------------------- |
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525 // |
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526 CPtpServer* CPtpSession::ServerP() const |
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527 { |
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528 return iServerP; |
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529 } |
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530 |