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1 /* |
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2 * Copyright (c) 2002-2003 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 |
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19 |
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20 |
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21 #include "rtpcommsend.h" |
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22 |
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23 // CONSTANTS |
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24 |
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25 /////////////////////Class CRtpCommSend/////////////////////////////////////// |
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26 // ================= MEMBER FUNCTIONS ======================= |
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27 |
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28 // --------------------------------------------------------------------------- |
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29 // Set to address |
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30 // --------------------------------------------------------------------------- |
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31 // |
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32 void CRtpCommSend::SetToAddress(TInetAddr& aAddr) |
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33 { |
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34 iToAddr.SetAddress( aAddr.Address() ); |
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35 iToAddr.SetPort( aAddr.Port() ); |
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36 if (aAddr.Family() == KAfInet6 ) |
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37 { |
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38 iToAddr.SetAddress( aAddr.Ip6Address() ); |
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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++ default constructor can NOT contain any code, that |
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44 // might leave. |
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45 // --------------------------------------------------------------------------- |
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46 // |
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47 CRtpCommSend::CRtpCommSend( RSocket& aSocket, MRtpErrNotify& aErrNotify, TInetAddr& aAddr ) |
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48 : CActive( EPriorityStandard ), |
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49 iSocket( aSocket ), |
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50 iToAddr(aAddr), |
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51 iWriteStatus( EWaiting ), |
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52 iBufPtr( NULL, 0 ), |
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53 iRtpErrNotify( aErrNotify ), |
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54 iSendQue(CRtpSendItem::iOffset ), |
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55 iQueueIter(iSendQue) |
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56 { |
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57 CActiveScheduler::Add( this ); |
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58 } |
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59 |
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60 // --------------------------------------------------------------------------- |
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61 // Symbian 2nd phase constructor can leave. |
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62 // --------------------------------------------------------------------------- |
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63 // |
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64 void CRtpCommSend::ConstructL( /*TInt aBufSize */) |
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65 { |
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66 |
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67 } |
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68 |
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69 // --------------------------------------------------------------------------- |
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70 // Two-phased constructor. |
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71 // --------------------------------------------------------------------------- |
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72 // |
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73 CRtpCommSend* CRtpCommSend::NewL( RSocket& aSocket, MRtpErrNotify& aErrNotify, |
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74 /*TInt aBufSize,*/ TInetAddr& aAddr ) |
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75 { |
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76 CRtpCommSend* self = new ( ELeave ) CRtpCommSend( aSocket, aErrNotify, aAddr ); |
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77 CleanupStack::PushL( self ); |
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78 self->ConstructL( /*aBufSize*/ ); |
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79 CleanupStack::Pop(); //self |
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80 return self; |
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81 } |
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82 |
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83 // --------------------------------------------------------------------------- |
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84 // Destructor |
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85 // |
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86 // --------------------------------------------------------------------------- |
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87 // |
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88 CRtpCommSend::~CRtpCommSend() |
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89 { |
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90 Cancel(); |
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91 CompleteAndRemoveRequests( KErrAbort ); |
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92 } |
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93 |
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94 // --------------------------------------------------------------------------- |
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95 // CRtpCommSend::RunL() |
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96 // Called when request has completed. |
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97 // --------------------------------------------------------------------------- |
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98 // |
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99 void CRtpCommSend::RunL() |
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100 { |
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101 // Active object request complete handler |
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102 if ( iStatus == KErrNone ) |
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103 { |
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104 RemoveFromQueue(); |
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105 |
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106 switch( iWriteStatus ) |
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107 { |
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108 case ESending: |
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109 SendNextPacket(); |
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110 break; |
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111 default: |
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112 RTP_DEBUG_DETAIL( "Tx state error" ); |
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113 User::Leave( KErrInUse ); |
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114 break; |
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115 } |
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116 } |
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117 else |
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118 { |
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119 RTP_DEBUG_DETAIL_DVALUE( "CRtpCommSend::RunL, ERR: ", iStatus.Int() ); |
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120 |
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121 // Client originated cancelling is handled in CancelAsyncSend() function. |
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122 if ( KErrCancel != iStatus.Int() ) |
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123 { |
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124 CompleteAndRemoveRequests( iStatus.Int() ); |
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125 } |
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126 |
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127 iRtpErrNotify.ErrorNotify( iStatus.Int() ); |
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128 } |
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129 } |
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130 |
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131 // --------------------------------------------------------------------------- |
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132 // CRtpCommSend::RemoveFromQueue() |
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133 // Remove Item from Queue |
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134 // --------------------------------------------------------------------------- |
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135 // |
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136 void CRtpCommSend::RemoveFromQueue() |
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137 { |
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138 if ( !( iSendQue.IsEmpty() ) ) |
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139 { |
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140 CRtpSendItem* item = iSendQue.First(); |
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141 CompleteClientRequest( *item, KErrNone ); |
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142 iSendQue.Remove(*item); |
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143 delete item; |
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144 } |
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145 } |
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146 // --------------------------------------------------------------------------- |
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147 // CRtpCommSend::DoCancel() |
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148 // Cancel ongoing requests. |
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149 // --------------------------------------------------------------------------- |
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150 // |
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151 void CRtpCommSend::DoCancel() |
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152 { |
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153 // Cancel asychronous send request |
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154 CancelAsyncSend(); |
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155 } |
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156 |
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157 // --------------------------------------------------------------------------- |
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158 // CRtpCommSend::CancelAsyncSend() |
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159 // |
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160 // --------------------------------------------------------------------------- |
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161 // |
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162 void CRtpCommSend::CancelAsyncSend() |
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163 { |
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164 RTP_DEBUG_DETAIL( "CRtpCommSend::CancelAsyncSend" ); |
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165 |
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166 iSocket.CancelSend(); |
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167 CompleteAndRemoveRequests( KErrCancel ); |
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168 } |
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169 |
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170 // --------------------------------------------------------------------------- |
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171 // CRtpCommSend::Send() |
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172 // |
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173 // --------------------------------------------------------------------------- |
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174 // |
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175 void CRtpCommSend::Send( const TDesC8& aPacket, TRequestStatus& aStatus ) |
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176 { |
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177 RTP_DEBUG_DETAIL( "CRtpCommSend::Send -- ASynchronous" ); |
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178 |
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179 aStatus = KRequestPending; |
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180 |
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181 TInt err( KErrNone ); |
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182 TRAP( err, |
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183 iSendQue.AddLast( *CRtpSendItem::NewL( aPacket, iStatus, aStatus ) ) ); |
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184 |
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185 if ( KErrNone == err ) |
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186 { |
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187 if ( !IsActive() ) |
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188 { |
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189 SendNextPacket(); |
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190 } |
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191 } |
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192 else |
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193 { |
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194 // Probably out of memory, so don't send any more packets |
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195 TRequestStatus* status = &aStatus; |
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196 User::RequestComplete( status, err ); |
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197 CompleteAndRemoveRequests( err ); |
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198 RTP_DEBUG_DETAIL( "Error Occured while put Packet to Send Item Que" ); |
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199 iRtpErrNotify.ErrorNotify( err ); |
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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 // CRtpCommSend::Send() |
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205 // |
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206 // --------------------------------------------------------------------------- |
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207 // |
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208 TInt CRtpCommSend::Send( const TDesC8& aPacket ) |
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209 { |
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210 RTP_DEBUG_DETAIL( "CRtpCommSend::Send -- Synchronous Entry" ); |
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211 |
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212 TInt err( KErrNone ); |
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213 if ( ( iWriteStatus != EWaiting ) && ( iWriteStatus != ESending ) ) |
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214 { |
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215 RTP_DEBUG_DETAIL( "Write status is not correct" ); |
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216 return KErrDisconnected; |
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217 } |
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218 |
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219 // Put in in our buffer |
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220 TRAP( err, iSendQue.AddLast(*CRtpSendItem::NewL(aPacket, iStatus)) ); |
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221 RTP_DEBUG_DETAIL( "Put Packet to Send Item Que" ); |
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222 |
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223 if ( err != KErrNone ) |
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224 { |
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225 // Probably out of memory, so don't send any more packets |
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226 CompleteAndRemoveRequests( err ); |
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227 |
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228 RTP_DEBUG_DETAIL( "Error Occured while put Packet to Send Item Que" ); |
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229 return err; |
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230 } |
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231 |
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232 if ( !IsActive() ) |
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233 { |
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234 SendNextPacket(); |
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235 } |
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236 |
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237 RTP_DEBUG_DETAIL( "CRtpCommSend::Send -- Synchronous Exit" ); |
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238 return err; |
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239 } |
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240 |
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241 // --------------------------------------------------------------------------- |
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242 // CRtpCommSend::SendNextPacket() |
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243 // Write data from buffer to socket. |
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244 // --------------------------------------------------------------------------- |
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245 // |
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246 void CRtpCommSend::SendNextPacket() |
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247 { |
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248 RTP_DEBUG_DETAIL( "CRtpCommSend::SendNextPacket Entry" ); |
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249 |
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250 iWriteStatus = EWaiting; |
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251 iQueueIter.SetToFirst(); |
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252 CRtpSendItem* item; |
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253 if ( ( item=iQueueIter++ ) != NULL ) |
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254 { |
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255 iSocket.SendTo( item->GetData(), iToAddr, 0, item->iStatus ); |
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256 SetActive(); |
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257 iWriteStatus = ESending; |
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258 } |
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259 |
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260 RTP_DEBUG_DETAIL( "CRtpCommSend::SendNextPacket Exit" ); |
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261 } |
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262 |
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263 // --------------------------------------------------------------------------- |
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264 // CRtpCommSend::CompleteAndRemoveRequests() |
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265 // Removes all requests in the queue. |
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266 // --------------------------------------------------------------------------- |
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267 // |
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268 void CRtpCommSend::CompleteAndRemoveRequests( TInt aError ) |
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269 { |
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270 RTP_DEBUG_DETAIL( "CRtpCommSend::CompleteAndRemoveRequests Entry" ); |
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271 |
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272 CRtpSendItem* item; |
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273 iQueueIter.SetToFirst(); |
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274 item = iQueueIter++; |
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275 while ( item ) |
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276 { |
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277 CompleteClientRequest( *item, aError ); |
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278 iSendQue.Remove( *item ); |
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279 delete item; |
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280 item = iQueueIter++; |
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281 } |
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282 |
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283 RTP_DEBUG_DETAIL( "CRtpCommSend::CompleteAndRemoveRequests Exit" ); |
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284 } |
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285 |
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286 // --------------------------------------------------------------------------- |
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287 // CRtpCommSend::CompleteClientRequest() |
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288 // Completes the request. |
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289 // --------------------------------------------------------------------------- |
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290 // |
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291 void CRtpCommSend::CompleteClientRequest( CRtpSendItem& aItem, |
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292 TInt aReason ) const |
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293 { |
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294 RTP_DEBUG_DETAIL( "CRtpCommSend::CompleteClientRequest Entry" ); |
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295 |
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296 TRequestStatus* status = aItem.ClientStatus(); |
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297 if ( NULL != status ) |
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298 { |
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299 User::RequestComplete( status, aReason ); |
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300 } |
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301 } |
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302 |
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303 // End of file |
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304 |
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305 |