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1 // Copyright (c) 2003-2009 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 #include "pfqos_stream.h" |
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17 #include "qoslib_glob.h" |
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18 #include "qoslib.h" |
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19 #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS |
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20 #include <networking/qoslib_internal.h> |
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21 #endif |
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22 |
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23 //lint -e{708} does not like union initializers |
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24 const TIp6Addr KInet6AddrMask = {{{0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
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25 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff}}}; |
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26 |
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27 |
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28 |
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29 // |
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30 CChannel::CChannel(CQoSMan* aManager) |
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31 { |
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32 iManager = aManager; |
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33 iPending = ENone; |
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34 iCapabilities = 0; |
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35 iObserver = NULL; |
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36 iChannelId = -1; |
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37 iStatus = EInit; |
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38 } |
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39 |
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40 CChannel::~CChannel() |
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41 { |
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42 iManager->RemoveQoSChannel(this); |
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43 } |
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44 |
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45 CChannel* CChannel::NewL(CQoSMan* aManager, RSocket& aSocket, |
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46 CQoSParameters* aSpec) |
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47 { |
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48 CChannel* channel = new (ELeave) CChannel(aManager); |
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49 CleanupStack::PushL(channel); |
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50 channel->ConstructL(aSocket, aSpec); |
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51 CleanupStack::Pop(); |
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52 return channel; |
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53 } |
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54 |
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55 void CChannel::ConstructL(RSocket& aSocket, CQoSParameters* aSpec) |
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56 { |
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57 if (aSpec) |
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58 { |
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59 iPolicy.CopyL(*aSpec); |
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60 } |
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61 |
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62 TInt ret = iRequestSelector.SetAddr(aSocket); |
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63 if (ret != KErrNone) |
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64 { |
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65 User::Leave(ret); |
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66 } |
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67 } |
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68 |
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69 TInt CChannel::Close() |
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70 { |
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71 CRequest* request=NULL; |
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72 TRAPD(err, request = CRequest::NewL(NULL, KQoSDefaultBufSize)); |
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73 if (err == KErrNone) |
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74 { |
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75 request->iMsg->Init(EPfqosDeleteChannel); |
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76 request->iMsg->AddChannel(iChannelId); |
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77 iPending = EPendingDelete; |
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78 iManager->Send(request); |
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79 } |
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80 return err; |
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81 } |
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82 |
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83 void CChannel::ProcessEvent(TPfqosMessage& aMsg) |
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84 { |
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85 iCapabilities = aMsg.iEvent.iExt->event_value; |
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86 switch (aMsg.iEvent.iExt->event_type) |
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87 { |
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88 |
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89 case KPfqosEventFailure: |
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90 if (iStatus == EChannelCreated) |
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91 { |
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92 iStatus = EInit; |
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93 } |
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94 if (iObserver && (iEventMask & EQoSEventFailure)) |
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95 { |
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96 ParseExtensions(aMsg, iPolicy); |
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97 CQoSFailureEvent event(iPolicy, |
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98 aMsg.iBase.iMsg->pfqos_msg_errno); |
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99 iObserver->Event(event); |
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100 } |
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101 break; |
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102 |
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103 case KPfqosEventConfirm: |
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104 if (iStatus == EChannelCreated) |
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105 { |
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106 iStatus = EChannelReady; |
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107 } |
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108 if (iObserver && iEventMask & EQoSEventConfirm) |
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109 { |
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110 ParseExtensions(aMsg, iPolicy); |
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111 CQoSConfirmEvent event(iPolicy); |
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112 iObserver->Event(event); |
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113 } |
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114 break; |
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115 |
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116 case KPfqosEventAdapt: |
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117 if (iStatus == EChannelCreated) |
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118 { |
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119 iStatus = EChannelReady; |
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120 } |
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121 if (iObserver && iEventMask & EQoSEventAdapt) |
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122 { |
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123 ParseExtensions(aMsg, iPolicy); |
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124 CQoSAdaptEvent event(iPolicy, |
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125 aMsg.iBase.iMsg->pfqos_msg_errno); |
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126 iObserver->Event(event); |
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127 } |
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128 break; |
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129 |
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130 case KPfqosEventJoin: |
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131 if (iObserver && iEventMask & EQoSEventJoin) |
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132 { |
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133 TInt reason = aMsg.iBase.iMsg->pfqos_msg_errno; |
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134 TQoSSelector sel; |
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135 CreateSelector(sel, aMsg); |
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136 CQoSJoinEvent event(sel, reason); |
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137 iObserver->Event(event); |
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138 } |
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139 break; |
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140 |
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141 case KPfqosEventLeave: |
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142 if (iObserver && iEventMask & EQoSEventLeave) |
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143 { |
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144 TInt reason = aMsg.iBase.iMsg->pfqos_msg_errno; |
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145 TQoSSelector sel; |
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146 CreateSelector(sel, aMsg); |
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147 CQoSLeaveEvent event(sel, reason); |
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148 iObserver->Event(event); |
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149 } |
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150 break; |
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151 |
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152 default: |
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153 return; |
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154 } |
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155 } |
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156 |
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157 void CChannel::ProcessReply(TPfqosMessage& aMsg) |
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158 { |
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159 TInt aErrorCode = aMsg.iBase.iMsg->pfqos_msg_errno; |
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160 |
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161 if (aErrorCode) |
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162 { |
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163 NotifyError(aErrorCode); |
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164 } |
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165 else |
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166 { |
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167 switch (iPending) |
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168 { |
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169 case EPendingOpenExisting: |
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170 iPending = ENone; |
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171 iChannelId = aMsg.iChannel.iExt->channel_id; |
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172 // mmm |
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173 iStatus = EChannelReady; |
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174 // mmm |
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175 |
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176 if (iObserver && iEventMask & EQoSEventChannel) |
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177 { |
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178 ParseExtensions(aMsg, iPolicy); |
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179 CQoSChannelEvent event(&iPolicy, KErrNone); |
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180 iObserver->Event(event); |
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181 } |
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182 break; |
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183 |
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184 case EPendingOpenExistingSetQoS: |
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185 iChannelId = aMsg.iChannel.iExt->channel_id; |
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186 iStatus = EChannelCreated; |
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187 if (iObserver && iEventMask & EQoSEventChannel) |
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188 { |
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189 CQoSChannelEvent event(NULL, KErrNone); |
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190 iObserver->Event(event); |
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191 } |
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192 TRAPD(err, iManager->SetQoSL(*this)); |
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193 //lint -e{961} does not like missing final 'else' |
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194 if (err == KErrNone) |
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195 { |
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196 iPending = EPendingSetPolicy; |
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197 } |
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198 else if (iObserver && iEventMask & EQoSEventFailure) |
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199 { |
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200 CQoSFailureEvent event(iPolicy, err); |
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201 iObserver->Event(event); |
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202 } |
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203 break; |
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204 |
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205 case EPendingOpen: |
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206 { |
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207 _LIT(KText1, "CChannel::ProcessReply"); |
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208 __ASSERT_ALWAYS((aMsg.iChannel.iExt != NULL), |
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209 User::Panic(KText1, 0)); |
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210 iPending = ENone; |
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211 iChannelId = aMsg.iChannel.iExt->channel_id; |
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212 iStatus = EChannelCreated; |
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213 } |
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214 break; |
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215 |
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216 case EPendingDelete: |
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217 delete this; |
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218 break; |
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219 |
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220 case EPendingSetPolicy: |
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221 case EPendingJoin: |
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222 case EPendingLeave: |
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223 default: |
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224 iPending = ENone; |
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225 break; |
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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 |
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231 TBool CChannel::Match(TInt aChannelId) |
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232 { |
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233 if (aChannelId >= 0 && aChannelId == iChannelId) |
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234 { |
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235 return ETrue; |
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236 } |
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237 return EFalse; |
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238 } |
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239 |
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240 |
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241 TBool CChannel::MatchReply(const TPfqosMessage& aMsg, TUint8 aMsgType) |
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242 { |
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243 //lint -e{961} does not like missing final 'else' |
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244 if (((iPending == EPendingOpenExisting && |
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245 aMsgType == EPfqosOpenExistingChannel) || |
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246 (iPending == EPendingOpenExistingSetQoS && |
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247 aMsgType == EPfqosOpenExistingChannel) || |
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248 (iPending == EPendingOpen && aMsgType == EPfqosCreateChannel) || |
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249 (iPending == EPendingJoin && aMsgType == EPfqosJoin) || |
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250 (iPending == EPendingLeave && aMsgType == EPfqosLeave)) && |
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251 (iRequestSelector.GetDst().Match(*aMsg.iDstAddr.iAddr)) && |
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252 (iRequestSelector.GetSrc().Match(*aMsg.iSrcAddr.iAddr)) && |
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253 (iRequestSelector.Protocol() == aMsg.iSelector.iExt->protocol) && |
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254 (iRequestSelector.GetDst().Port() == aMsg.iDstAddr.iAddr->Port()) && |
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255 (iRequestSelector.GetSrc().Port() == aMsg.iSrcAddr.iAddr->Port()) && |
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256 (iRequestSelector.MaxPortDst() == |
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257 aMsg.iDstAddr.iExt->pfqos_port_max) && |
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258 (iRequestSelector.MaxPortSrc() == |
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259 aMsg.iSrcAddr.iExt->pfqos_port_max)) |
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260 { |
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261 return ETrue; |
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262 } |
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263 else if (((iPending == EPendingDelete && |
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264 aMsgType == EPfqosDeleteChannel) || |
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265 (iPending == EPendingSetPolicy && |
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266 aMsgType == EPfqosConfigChannel))// || |
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267 && (iChannelId == aMsg.iChannel.iExt->channel_id)) |
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268 { |
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269 return ETrue; |
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270 } |
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271 |
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272 return EFalse; |
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273 } |
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274 |
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275 TInt CChannel::OpenExisting() |
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276 { |
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277 TRAPD(err, iManager->OpenExistingL(*this, iRequestSelector)); |
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278 if (err == KErrNone) |
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279 { |
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280 iPending = EPendingOpenExisting; |
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281 } |
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282 return err; |
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283 } |
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284 |
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285 TInt CChannel::SetQoS(CQoSParameters& aPolicy) |
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286 { |
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287 if (iPending) |
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288 { |
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289 if (iPending == EPendingOpenExisting) |
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290 { |
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291 TRAPD(err, iPolicy.CopyL(aPolicy)); |
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292 if (err == KErrNone) |
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293 { |
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294 iPending = EPendingOpenExistingSetQoS; |
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295 } |
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296 return err; |
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297 } |
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298 else |
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299 { |
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300 return KErrInUse; |
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301 } |
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302 } |
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303 TRAPD(err, iPolicy.CopyL(aPolicy)); |
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304 if (err != KErrNone) |
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305 { |
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306 return err; |
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307 } |
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308 if (iStatus == EInit) |
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309 { |
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310 TRAP(err, iManager->CreateL(*this, iRequestSelector)); |
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311 if (err == KErrNone) |
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312 { |
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313 iPending = EPendingOpen; |
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314 } |
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315 } |
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316 else |
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317 { |
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318 TRAP(err, iManager->SetQoSL(*this)); |
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319 if (err == KErrNone) |
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320 { |
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321 iPending = EPendingSetPolicy; |
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322 } |
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323 } |
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324 return err; |
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325 } |
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326 |
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327 TInt CChannel::Join(RSocket& aSocket) |
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328 { |
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329 if (iStatus != EChannelReady) |
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330 { |
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331 return KErrNotReady; |
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332 } |
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333 if (iPending != ENone) |
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334 { |
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335 return KErrInUse; |
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336 } |
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337 TInt err = iRequestSelector.SetAddr(aSocket); |
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338 if (err != KErrNone) |
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339 { |
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340 return err; |
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341 } |
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342 TRAP(err, iManager->JoinL(*this, iRequestSelector)); |
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343 if (err == KErrNone) |
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344 { |
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345 iPending = EPendingJoin; |
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346 } |
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347 return err; |
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348 } |
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349 |
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350 TInt CChannel::Leave(RSocket& aSocket) |
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351 { |
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352 if (iStatus != EChannelReady) |
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353 { |
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354 return KErrNotReady; |
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355 } |
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356 if (iPending != ENone) |
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357 { |
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358 return KErrInUse; |
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359 } |
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360 TInt err = iRequestSelector.SetAddr(aSocket); |
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361 if (err != KErrNone) |
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362 { |
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363 return err; |
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364 } |
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365 TRAP(err, iManager->LeaveL(*this, iRequestSelector)); |
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366 if (err == KErrNone) |
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367 { |
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368 iPending = EPendingLeave; |
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369 } |
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370 return err; |
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371 } |
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372 |
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373 TInt CChannel::GetCapabilities(TUint& aCapabilities) |
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374 { |
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375 aCapabilities = iCapabilities; |
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376 return KErrNone; |
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377 } |
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378 |
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379 void CChannel::NotifyError(TInt aReason) |
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380 { |
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381 TPendingStatus status = iPending; |
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382 iPending = ENone; |
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383 |
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384 if (aReason) |
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385 { |
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386 switch (status) |
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387 { |
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388 case EPendingSetPolicy: |
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389 if (iObserver && iEventMask & EQoSEventFailure) |
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390 { |
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391 CQoSFailureEvent event(iPolicy, aReason); |
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392 iObserver->Event(event); |
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393 } |
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394 break; |
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395 |
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396 case EPendingOpen: |
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397 if (iObserver && iEventMask & EQoSEventFailure) |
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398 { |
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399 CQoSFailureEvent event(iPolicy, aReason); |
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400 iObserver->Event(event); |
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401 } |
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402 break; |
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403 |
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404 case EPendingJoin: |
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405 if (iObserver && iEventMask & EQoSEventJoin) |
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406 { |
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407 CQoSJoinEvent event(iRequestSelector, aReason); |
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408 iObserver->Event(event); |
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409 } |
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410 break; |
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411 |
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412 case EPendingLeave: |
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413 if (iObserver && iEventMask & EQoSEventLeave) |
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414 { |
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415 CQoSLeaveEvent event(iRequestSelector, aReason); |
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416 iObserver->Event(event); |
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417 } |
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418 break; |
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419 |
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420 case EPendingOpenExisting: |
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421 if (iObserver && iEventMask & EQoSEventChannel) |
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422 { |
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423 CQoSChannelEvent event(NULL, aReason); |
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424 iObserver->Event(event); |
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425 } |
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426 break; |
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427 |
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428 case EPendingOpenExistingSetQoS: |
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429 TRAPD(err, iManager->CreateL(*this, iRequestSelector)); |
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430 //lint -e{961} does not like missing final 'else' |
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431 if (err == KErrNone) |
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432 { |
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433 iPending = EPendingOpen; |
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434 } |
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435 else if (iObserver && iEventMask & EQoSEventFailure) |
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436 { |
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437 CQoSFailureEvent event(iPolicy, err); |
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438 iObserver->Event(event); |
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439 } |
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440 break; |
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441 |
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442 default: |
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443 break; |
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444 } |
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445 } |
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446 } |
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447 |
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448 |
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449 void CChannel::CreateSelector(TQoSSelector& aSelector, |
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450 const TPfqosMessage& aMsg) |
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451 { |
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452 TInetAddr src; |
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453 TInetAddr srcmask; |
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454 |
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455 src = *aMsg.iSrcAddr.iAddr; |
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456 src.SetFamily(KAFUnspec); |
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457 src.SetAddress(KInet6AddrNone); |
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458 srcmask.SetAddress(KInet6AddrMask); |
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459 aSelector.SetAddr(src, |
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460 srcmask, |
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461 *aMsg.iDstAddr.iAddr, |
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462 *aMsg.iDstAddr.iPrefix, |
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463 aMsg.iSelector.iExt->protocol, |
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464 aMsg.iSrcAddr.iExt->pfqos_port_max, |
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465 aMsg.iDstAddr.iExt->pfqos_port_max); |
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466 aSelector.SetIapId(aMsg.iSelector.iExt->iap_id); |
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467 } |
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468 |