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1 /* |
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2 * Copyright (c) 2009-2010 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 * Initial Contributors: |
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9 * Nokia Corporation - initial contribution. |
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10 * Contributors: |
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11 * |
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12 * Description: |
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13 * MSRP Implementation |
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14 * |
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15 */ |
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16 |
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17 // INCLUDES |
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18 |
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19 // CLASS HEADER |
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20 #include "CMSRPWriter.h" |
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21 #include "MSRPCommon.h" |
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22 |
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23 // ----------------------------------------------------------------------------- |
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24 // CMSRPParser::NewL |
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25 // Static constructor |
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26 // ----------------------------------------------------------------------------- |
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27 // |
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28 /*static*/MMSRPWriter* CMSRPWriter::NewL(RSocket& aSocket, MMSRPWriterErrorObserver& aConnection) |
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29 { |
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30 MSRPLOG( "CMSRPWriter::NewL enter" ) |
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31 CMSRPWriter* self = new (ELeave) CMSRPWriter( aSocket, aConnection ); |
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32 CleanupStack::PushL(self); |
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33 //self->ConstructL(); |
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34 CleanupStack::Pop(self); |
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35 MSRPLOG( "CMSRPWriter::NewL exit" ) |
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36 return self; |
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37 } |
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38 |
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39 // ----------------------------------------------------------------------------- |
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40 // CMSRPWriter::CMSRPWriter |
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41 // Constructor |
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42 // ----------------------------------------------------------------------------- |
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43 // |
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44 CMSRPWriter::CMSRPWriter(RSocket& aSocket, MMSRPWriterErrorObserver& aConnection) |
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45 : CActive(CActive::EPriorityStandard), iConnection( aConnection ), iSocket(aSocket) |
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46 { |
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47 CActiveScheduler::Add(this); |
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48 } |
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49 |
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50 // ----------------------------------------------------------------------------- |
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51 // CMSRPWriter::~CMSRPWriter |
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52 // Destructor |
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53 // ----------------------------------------------------------------------------- |
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54 // |
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55 CMSRPWriter::~CMSRPWriter() |
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56 { |
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57 MSRPLOG( "CMSRPWriter::~CMSRPWriter enter" ) |
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58 Cancel(); |
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59 iSendQueue.Reset(); |
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60 iSendQueue.Close(); |
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61 MSRPLOG( "CMSRPWriter::~CMSRPWriter exit" ) |
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62 } |
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63 |
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64 // ----------------------------------------------------------------------------- |
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65 // CMSRPWriter::ConstructL |
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66 // 2nd phase constructor |
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67 // ----------------------------------------------------------------------------- |
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68 // |
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69 /* |
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70 void CMSRPWriter::ConstructL() |
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71 { |
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72 //iWriteIssued = FALSE; |
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73 //iState = EIdle; |
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74 } |
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75 */ |
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76 |
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77 // ----------------------------------------------------------------------------- |
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78 // CMSRPWriter::DoCancel |
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79 // Cancels outstanding request. |
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80 // ----------------------------------------------------------------------------- |
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81 // |
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82 void CMSRPWriter::DoCancel() |
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83 { |
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84 MSRPLOG( "CMSRPWriter::DoCancel enter" ) |
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85 |
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86 if(iWriteIssued) |
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87 { |
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88 MSRPLOG( "CMSRPWriter::write issued cancelled" ) |
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89 iSocket.CancelWrite(); |
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90 } |
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91 else |
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92 { |
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93 //MSRPLOG( "CMSRPWriter::self complete cancelled" ) |
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94 //TRequestStatus* status = &iStatus; |
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95 //User::RequestComplete( status, KErrCancel ); |
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96 } |
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97 MSRPLOG( "CMSRPWriter::DoCancel exit" ) |
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98 } |
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99 |
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100 // ----------------------------------------------------------------------------- |
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101 // CMSRPWriter::Parse |
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102 // ----------------------------------------------------------------------------- |
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103 // |
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104 void CMSRPWriter::RequestSendL(MMSRPWriterObserver& aMsg) |
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105 { |
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106 MSRPLOG( "CMSRPWriter::RequestSendL enter" ) |
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107 iSendQueue.AppendL(&aMsg); |
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108 if(!IsActive()) |
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109 { |
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110 /*avoid invoking send in other active object context*/ |
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111 //SendL |
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112 TRequestStatus* status = &iStatus; |
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113 SetActive(); |
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114 User::RequestComplete( status, KErrNone ); |
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115 } |
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116 MSRPLOG( "CMSRPWriter::RequestSendL exit" ) |
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117 } |
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118 |
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119 // ----------------------------------------------------------------------------- |
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120 // CMSRPWriter::CancelReceiving |
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121 // ----------------------------------------------------------------------------- |
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122 // |
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123 /*void CMSRPWriter::CancelReceiving() |
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124 { |
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125 Cancel(); |
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126 }*/ |
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127 |
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128 |
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129 // ----------------------------------------------------------------------------- |
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130 // CMSRPWriter::RunL |
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131 // ----------------------------------------------------------------------------- |
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132 // |
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133 void CMSRPWriter::RunL() |
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134 { |
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135 MSRPLOG( "CMSRPWriter::RunL enter" ) |
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136 |
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137 TInt status = iStatus.Int(); |
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138 |
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139 if(status != KErrNone) |
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140 { |
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141 //socket error |
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142 iConnection.WriteSocketError(status); |
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143 return; |
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144 } |
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145 |
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146 if(iWriteIssued) |
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147 { |
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148 iWriteIssued = FALSE; |
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149 MMSRPWriterObserver::TMsgStatus msgState = MMSRPWriterObserver::EComplete; |
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150 msgState = iSendQueue[0]->WriteDoneL(status); |
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151 |
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152 if(msgState != MMSRPWriterObserver::EPending) |
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153 { |
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154 MMSRPWriterObserver* obs = iSendQueue[0]; |
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155 iSendQueue.Remove(0); |
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156 if(msgState == MMSRPWriterObserver::EInterrupted) |
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157 iSendQueue.AppendL(obs); |
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158 } |
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159 } |
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160 |
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161 SendL(); |
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162 |
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163 MSRPLOG( "CMSRPWriter::RunL exit" ) |
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164 } |
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165 |
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166 // ----------------------------------------------------------------------------- |
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167 // CMSRPWriter::RunError |
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168 // ----------------------------------------------------------------------------- |
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169 // |
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170 TInt CMSRPWriter::RunError(TInt aError) |
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171 { |
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172 MSRPLOG( "CMSRPWriter::RunError enter" ) |
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173 MSRPLOG( "CMSRPWriter::RunError exit" ) |
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174 /*get send buffer errors shud b handled in SendL |
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175 * by deleting msg obs from writer queue, if part of msg written to conn is 0 or complete |
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176 * send failed msg error to client in msghandler b4 getsend returns*/ |
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177 iConnection.WriteSocketError(aError); |
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178 return KErrNone; |
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179 } |
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180 |
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181 // ----------------------------------------------------------------------------- |
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182 // CMSRPWriter::SendL |
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183 // ----------------------------------------------------------------------------- |
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184 // |
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185 void CMSRPWriter::SendL() |
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186 { |
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187 TBool interruptSend = FALSE; |
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188 |
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189 //while(iSendQueue.Count()) |
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190 if(iSendQueue.Count()) |
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191 { |
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192 MMSRPWriterObserver::TWriteStatus ret = MMSRPWriterObserver::EMsrpSocketWrite; |
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193 TPtrC8 data(NULL,0); |
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194 |
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195 if(iSendQueue.Count()>1) |
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196 interruptSend = TRUE; |
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197 |
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198 ret = iSendQueue[0]->GetSendBufferL(data, interruptSend); |
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199 |
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200 Deque(); |
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201 CActiveScheduler::Add(this); |
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202 SetActive(); |
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203 |
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204 if( ret == MMSRPWriterObserver::EMsrpSocketWrite ) //KErrNone == 0 |
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205 { |
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206 iSocket.Write( data, iStatus ); |
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207 iWriteIssued = TRUE; |
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208 } |
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209 else if (ret == MMSRPWriterObserver::EMsrpAvoidSocketWrite)//EAvoidSocketWrite |
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210 { |
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211 TRequestStatus* status = &iStatus; |
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212 User::RequestComplete( status, KErrNone ); |
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213 iWriteIssued = FALSE; |
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214 } |
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215 |
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216 |
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217 /* check in run_error: getsendbufferl leaves are recoverable |
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218 * if msg state equivalent to nothing written to connection |
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219 * ,remove observer and try to recover |
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220 * if writedone leaves, then we can be sure that msg state will reflect socket write issued |
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221 * and so no attempt will be made to recover |
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222 */ |
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223 |
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224 //iSendQueue.Remove(0); |
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225 |
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226 } |
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227 } |
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228 |
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229 |
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230 // End of File |
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231 |