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1 // Copyright (c) 2007-2009 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 // Name : CSenderTcp.cpp |
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15 // Part of : ConnectionMgr |
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16 // Version : SIP/5.1 |
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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 "SipAssert.h" |
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22 #include "CSenderTcp.h" |
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23 #include "MContext.h" |
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24 #include "SipLogs.h" |
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25 #include "sipmessage.h" |
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26 #include "CSocketContainer.h" |
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27 #include "CommonConsts.h" |
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28 #include "COwnerSettingsList.h" |
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29 |
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30 // ----------------------------------------------------------------------------- |
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31 // CSenderTcp::NewL |
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32 // ----------------------------------------------------------------------------- |
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33 // |
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34 CSenderTcp* CSenderTcp::NewL( |
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35 MContext& aContext, |
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36 COwnerSettingsList& aSettingsList) |
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37 { |
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38 CSenderTcp* self = NewLC(aContext, aSettingsList); |
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39 CleanupStack::Pop(); |
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40 return self; |
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41 } |
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42 |
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43 // ----------------------------------------------------------------------------- |
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44 // CSenderTcp::NewLC |
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45 // ----------------------------------------------------------------------------- |
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46 // |
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47 CSenderTcp* CSenderTcp::NewLC( |
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48 MContext& aContext, |
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49 COwnerSettingsList& aSettingsList) |
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50 { |
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51 CSenderTcp* self = new (ELeave) CSenderTcp(aContext, aSettingsList); |
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52 CleanupStack::PushL(self); |
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53 return self; |
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54 } |
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55 |
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56 // ----------------------------------------------------------------------------- |
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57 // CSenderTcp::CSenderTcp |
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58 // ----------------------------------------------------------------------------- |
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59 // |
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60 CSenderTcp::CSenderTcp(MContext& aContext, COwnerSettingsList& aSettingsList) : |
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61 CSender(aContext, aSettingsList) |
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62 { |
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63 } |
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64 |
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65 // ----------------------------------------------------------------------------- |
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66 // CSenderTcp::~CSenderTcp |
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67 // ----------------------------------------------------------------------------- |
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68 // |
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69 CSenderTcp::~CSenderTcp() |
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70 { |
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71 Cancel(); |
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72 } |
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73 |
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74 // ----------------------------------------------------------------------------- |
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75 // CSenderTcp::SendL |
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76 // ----------------------------------------------------------------------------- |
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77 // |
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78 TBool CSenderTcp::SendL(const TSIPTransportParams& aTransportParams, |
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79 CSIPMessage& aMessage, |
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80 const TInetAddr& aAddr, |
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81 TUint aOrigTransport, |
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82 TRequestStatus& aStat, |
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83 TBool aStore, |
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84 TBool /*aForceUDP*/) |
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85 { |
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86 if(!aStore) |
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87 { |
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88 if(!IsActive()) |
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89 { |
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90 if(aMessage.Content().Length() > 0) |
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91 { |
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92 iContinueSending = ETrue; |
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93 } |
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94 |
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95 COutgoingData* data = |
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96 COutgoingData::NewL( aTransportParams, aMessage, aAddr, |
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97 aOrigTransport, aStat, |
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98 *iContext.SigCompHandler() ); |
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99 |
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100 iList.AddFirst( *data ); |
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101 |
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102 TCleanupItem cleanupItem( CleanCurrentDataOnLeave, this ); |
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103 CleanupStack::PushL( cleanupItem ); |
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104 |
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105 EncodeAndSendL(aAddr); |
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106 |
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107 CleanupStack::Pop( 1 ); // cleanupItem |
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108 |
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109 return EFalse; |
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110 } |
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111 } |
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112 |
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113 return HandleFirstSendL( aTransportParams, |
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114 aMessage, |
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115 aAddr, |
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116 aOrigTransport, |
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117 aStat, |
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118 aStore ); |
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119 } |
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120 |
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121 // ----------------------------------------------------------------------------- |
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122 // CSenderTcp::SendL |
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123 // ----------------------------------------------------------------------------- |
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124 // |
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125 void CSenderTcp::SendL(const TSIPTransportParams& aTransportParams, |
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126 CSIPMessage& aMessage, |
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127 TRequestStatus& aStat) |
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128 { |
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129 if (!IsActive()) |
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130 { |
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131 if(aMessage.Content().Length() > 0) |
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132 { |
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133 iContinueSending = ETrue; |
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134 } |
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135 |
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136 COutgoingData* data = |
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137 COutgoingData::NewL( aTransportParams, aMessage, aStat, |
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138 *iContext.SigCompHandler() ); |
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139 |
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140 iList.AddFirst( *data ); |
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141 |
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142 TCleanupItem cleanupItem( CleanCurrentDataOnLeave, this ); |
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143 CleanupStack::PushL( cleanupItem ); |
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144 |
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145 TInetAddr address; |
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146 iContext.SocketContainer().RemoteName( address ); |
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147 |
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148 EncodeAndSendL( address ); |
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149 |
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150 CleanupStack::Pop( 1 ); // cleanupItem |
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151 } |
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152 else |
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153 { |
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154 COutgoingData* data = COutgoingData::NewL( aTransportParams, |
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155 aMessage, aStat, |
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156 *iContext.SigCompHandler() ); |
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157 iList.AddLast( *data ); |
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158 } |
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159 } |
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160 |
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161 // ----------------------------------------------------------------------------- |
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162 // CSenderTcp::SendNextL |
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163 // ----------------------------------------------------------------------------- |
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164 // |
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165 void CSenderTcp::SendNextL() |
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166 { |
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167 COutgoingData* data = CurrentData(); |
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168 |
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169 if ( !IsActive() ) |
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170 { |
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171 if ( iContinueSending && data ) |
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172 { |
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173 DoSend( data->Message().Content() ); |
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174 iContinueSending = EFalse; |
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175 } |
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176 else if ( data ) |
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177 { |
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178 if ( data->Message().Content().Length() > 0 ) |
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179 { |
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180 iContinueSending = ETrue; |
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181 } |
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182 TInetAddr address; |
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183 iContext.SocketContainer().RemoteName( address ); |
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184 EncodeAndSendL( address ); |
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185 } |
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186 else |
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187 { |
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188 iContext.Sending( EFalse ); |
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189 } |
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190 } |
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191 } |
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192 |
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193 // ----------------------------------------------------------------------------- |
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194 // CSenderTcp::EncodeAndSendL |
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195 // ----------------------------------------------------------------------------- |
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196 // |
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197 void CSenderTcp::EncodeAndSendL( const TInetAddr& aAddr ) |
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198 { |
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199 COutgoingData* data = CurrentData(); |
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200 |
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201 __SIP_ASSERT_LEAVE( data, KErrNotFound ); |
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202 |
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203 data->SetAddress( aAddr ); |
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204 |
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205 TPtr8 ptrOutgoing = data->EncodeL( ETrue ); |
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206 |
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207 if ( data->OrigTransport() == KProtocolInetUdp && |
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208 data->Compressed() && |
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209 ptrOutgoing.Length() < KMaxUdpMessageSize ) |
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210 { |
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211 // If transport was originally UDP and compression decreased size |
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212 // of the message to be under MTU, UDP can be used. |
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213 data->Sent(); |
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214 iList.Remove( *data ); |
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215 iContext.Sending( EFalse ); |
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216 CleanupStack::PushL( data ); |
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217 iContext.ReRouteL( KProtocolInetUdp, data ); |
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218 CleanupStack::Pop( data ); |
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219 SendNextL(); |
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220 } |
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221 else |
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222 { |
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223 iOutgoingMessage.Set( ptrOutgoing ); |
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224 if ( data->Compressed() ) |
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225 { |
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226 iContinueSending = EFalse; |
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227 } |
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228 |
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229 __SIP_MESSAGE_LOG( "Connection Manager::SendToNetwork via TCP", |
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230 iOutgoingMessage ) |
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231 WriteToLog( iOutgoingMessage ); |
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232 |
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233 DoSend( iOutgoingMessage ); |
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234 } |
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235 } |
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236 |
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237 // ----------------------------------------------------------------------------- |
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238 // CSenderTcp::HandleFirstSendL |
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239 // ----------------------------------------------------------------------------- |
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240 // |
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241 TBool CSenderTcp::HandleFirstSendL( |
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242 const TSIPTransportParams& aTransportParams, |
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243 CSIPMessage& aMessage, |
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244 const TInetAddr& aAddr, |
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245 TUint aOrigTransport, |
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246 TRequestStatus& aStat, |
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247 TBool aStore ) |
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248 { |
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249 COutgoingData* data = COutgoingData::NewLC( aTransportParams, |
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250 aMessage, |
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251 aAddr, |
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252 aOrigTransport, |
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253 aStat, |
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254 *iContext.SigCompHandler() ); |
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255 |
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256 TBool isFirstSend( iList.IsEmpty() && aStore ); |
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257 |
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258 if ( aOrigTransport == KProtocolInetUdp && isFirstSend ) |
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259 { |
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260 // Have to check immediately whether compression decreases size |
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261 // so that UDP could be used. |
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262 |
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263 TPtr8 encoded = data->EncodeL( ETrue ); |
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264 |
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265 if ( encoded.Length() < KMaxUdpMessageSize && data->Compressed() ) |
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266 { |
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267 data->Sent(); |
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268 iContext.ReRouteL( KProtocolInetUdp, data ); |
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269 CleanupStack::Pop( data ); |
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270 return EFalse; |
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271 } |
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272 } |
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273 |
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274 CleanupStack::Pop( data ); |
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275 iList.AddLast( *data ); |
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276 |
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277 return isFirstSend; |
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278 } |
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279 |
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280 // ----------------------------------------------------------------------------- |
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281 // CSenderTcp::StoredData |
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282 // ----------------------------------------------------------------------------- |
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283 // |
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284 COutgoingData* CSenderTcp::StoredData() |
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285 { |
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286 if (!iList.IsEmpty()) |
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287 { |
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288 COutgoingData* listItem = 0; |
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289 iListIter.SetToFirst(); |
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290 while ((listItem = iListIter++) != 0) |
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291 { |
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292 iList.Remove(*listItem); |
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293 return listItem; |
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294 } |
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295 } |
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296 return 0; |
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297 } |
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298 |
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299 // ----------------------------------------------------------------------------- |
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300 // CSenderTcp::Data |
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301 // ----------------------------------------------------------------------------- |
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302 // |
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303 COutgoingData* CSenderTcp::Data() |
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304 { |
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305 if (!iList.IsEmpty()) |
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306 { |
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307 COutgoingData* listItem = 0; |
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308 iListIter.SetToFirst(); |
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309 while ((listItem = iListIter++) != 0) |
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310 { |
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311 iList.Remove(*listItem); |
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312 return listItem; |
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313 } |
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314 } |
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315 return 0; |
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316 } |
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317 |
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318 // ----------------------------------------------------------------------------- |
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319 // CSenderTcp::DoSend |
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320 // ----------------------------------------------------------------------------- |
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321 // |
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322 void CSenderTcp::DoSend( const TDesC8& aData ) |
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323 { |
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324 COutgoingData* data = CurrentData(); |
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325 |
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326 __SIP_ASSERT_RETURN( !IsActive() && data, KErrInUse ); |
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327 |
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328 // Set socket options before sending, options will be cleared after |
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329 // send has completed. |
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330 iSettingsList.SetOpts( data->TransportParams(), |
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331 iContext.SocketContainer().Socket() ); |
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332 |
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333 iContext.Sending( ETrue ); |
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334 iContext.SocketContainer().Send( aData, 0, iStatus ); |
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335 |
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336 SetActive(); |
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337 } |
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338 |