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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 // Internal implementation of the SUPL Push API |
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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 @file |
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20 @internalComponent |
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21 @deprecated |
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22 */ |
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23 |
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24 #include <e32base.h> |
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25 #include <centralrepository.h> |
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26 #include "lbsdevloggermacros.h" |
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27 |
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28 #include "lbssuplpushimpl.h" |
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29 #include "lbssuplpushprops.h" |
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30 #include "lbssystemcontroller.h" |
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31 #include "lbsrootcenrepdefs.h" |
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32 |
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33 |
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34 /** The time to live for a message in seconds. After a message is submitted via the SuplInit method, |
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35 it must be delivered to the SPM in this time. Otherwise, it is failed and |
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36 MLbsSuplPushObserver::OnSuplInitComplete with aError==KErrTimedOut is called.*/ |
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37 #ifdef TE_LBSSUPLPUSHIMPL_ON |
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38 const TInt KMsgTimeoutInterval = 5; |
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39 #else |
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40 const TInt KMsgTimeoutInterval = 30; |
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41 #endif //TE_LBSSUPLPUSHIMPL_ON |
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42 |
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43 /** Maximumal possible length of the SUPL INIT message. |
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44 This value is bigger and not exactly equal to the real maximal length of an ASN.1 encoded SUPL INIT message. |
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45 It is used only for cutting off mailformed extra large SUPL INIT messages. */ |
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46 const TInt KLbsMaxSuplMsgLength = 2048; |
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47 |
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48 |
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49 |
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50 |
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51 /** |
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52 Constructor. |
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53 |
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54 @param aReqId [In] The message unique request id. |
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55 @param aMsg [In] The message with the request id record in the start of the buffer. The ownership is passed to CLbsSuplPushMsgInfo here. |
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56 */ |
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57 CLbsSuplPushMsgInfo::CLbsSuplPushMsgInfo(TInt aReqId, HBufC8* aMsg) : |
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58 iReqId(aReqId), iMsg(aMsg) |
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59 { |
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60 LBSLOG(ELogP1, "CLbsSuplPushMsgInfo::CLbsSuplPushMsgInfo() Begin\n"); |
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61 LBSLOG(ELogP1, "CLbsSuplPushMsgInfo::CLbsSuplPushMsgInfo() End\n"); |
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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 Destructor. The iMsg buffer is deleted here. |
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67 */ |
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68 CLbsSuplPushMsgInfo::~CLbsSuplPushMsgInfo() |
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69 { |
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70 LBSLOG(ELogP1, "CLbsSuplPushMsgInfo::~CLbsSuplPushMsgInfo() Begin\n"); |
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71 delete iMsg; |
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72 LBSLOG(ELogP1, "CLbsSuplPushMsgInfo::~CLbsSuplPushMsgInfo() End\n"); |
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73 } |
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74 |
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75 |
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76 /** |
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77 Creates an instance of the CLbsSuplPushImpl class. |
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78 |
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79 @param aChannel [In] The id of the channel to be opened. |
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80 @param aObserver [In] A reference to an observer waiting for request completion call-backs. |
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81 |
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82 @return An instance of the class. The calling application becomes the |
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83 owner of the returned instance and is responsible its disposal. |
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84 |
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85 @see CLbsSuplPush::ConstructL |
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86 */ |
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87 CLbsSuplPushImpl* CLbsSuplPushImpl::NewL(TLbsSuplPushChannel aChannel, MLbsSuplPushObserver& aObserver) |
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88 { |
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89 LBSLOG(ELogP1, "CLbsSuplPushImpl::NewL() Begin\n"); |
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90 CLbsSuplPushImpl* newObj = new (ELeave) CLbsSuplPushImpl(aChannel, aObserver); |
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91 CleanupStack::PushL(newObj); |
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92 newObj->ConstructL(aChannel); |
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93 CleanupStack::Pop(newObj); |
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94 LBSLOG(ELogP1, "CLbsSuplPushImpl::NewL() End\n"); |
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95 return newObj; |
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96 } |
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97 |
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98 /** |
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99 Closes the interface and disposes all open or used resources. |
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100 */ |
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101 CLbsSuplPushImpl::~CLbsSuplPushImpl() |
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102 { |
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103 LBSLOG(ELogP1, "CLbsSuplPushImpl::~CLbsSuplPushImpl() Begin\n"); |
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104 Cancel(); |
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105 if(iState==EWaitingAck) |
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106 { |
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107 ReleaseBusyProp(); |
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108 } |
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109 delete iTimer; |
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110 |
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111 iMsgQueue.ResetAndDestroy(); |
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112 iAckProperty.Close(); |
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113 iBusyProperty.Close(); |
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114 LBSLOG(ELogP1, "CLbsSuplPushImpl::~CLbsSuplPushImpl() End\n"); |
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115 } |
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116 |
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117 /** |
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118 Constructor. |
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119 |
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120 @param aChannel [In] The id of the channel to be opened. |
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121 @param aObserver [In] A reference to an observer waiting for request completion call-backs. |
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122 */ |
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123 CLbsSuplPushImpl::CLbsSuplPushImpl(TLbsSuplPushChannel aChannel, MLbsSuplPushObserver& aObserver): |
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124 CActive(CActive::EPriorityUserInput), |
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125 iChannel(aChannel), |
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126 iState(ECreated), |
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127 iObserver(aObserver) |
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128 { |
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129 LBSLOG(ELogP1, "CLbsSuplPushImpl::CLbsSuplPushImpl() Begin\n"); |
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130 CActiveScheduler::Add(this); |
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131 LBSLOG(ELogP1, "CLbsSuplPushImpl::CLbsSuplPushImpl() End\n"); |
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132 } |
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133 |
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134 /** |
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135 2nd phase constructor. |
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136 Creates and assigns all the required internal resources. |
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137 |
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138 @param aChannel [In] An id of the channel to be opened. |
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139 */ |
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140 void CLbsSuplPushImpl::ConstructL(TLbsSuplPushChannel aChannel) |
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141 { |
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142 LBSLOG(ELogP1, "CLbsSuplPushImpl::ConstructL() Begin\n"); |
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143 //There are only two channels available currently. |
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144 __ASSERT_DEBUG(aChannel==ELbsSuplPushChannelSMS || aChannel==ELbsSuplPushChannelWAP, |
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145 User::Invariant()); |
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146 |
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147 if(!(aChannel==ELbsSuplPushChannelSMS || aChannel==ELbsSuplPushChannelWAP)) |
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148 { |
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149 User::Leave(KErrGeneral); |
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150 } |
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151 |
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152 if(aChannel==ELbsSuplPushChannelSMS) |
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153 { |
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154 iBusyPropKey=KLbsSuplPushSmsBusyKey; |
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155 iInitPropKey=KLbsSuplPushSmsInitKey; |
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156 iAckPropKey=KLbsSuplPushSmsAckKey; |
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157 } |
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158 else |
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159 { |
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160 iBusyPropKey=KLbsSuplPushWapBusyKey; |
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161 iInitPropKey=KLbsSuplPushWapInitKey; |
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162 iAckPropKey=KLbsSuplPushWapAckKey; |
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163 } |
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164 |
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165 iTimer = CLbsCallbackTimer::NewL(*this); |
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166 LBSLOG(ELogP1, "CLbsSuplPushImpl::ConstructL() End\n"); |
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167 } |
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168 |
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169 /** |
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170 Provides an internal implementation of CLbsSuplPush::SuplInit |
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171 |
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172 @param aReqId [Out] A reference on the TLbsSuplPushRequestId variable where the assigned request id is written. |
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173 @param aMsg [In] The message buffer. |
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174 @param aReserved [In] Reserved for future use. |
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175 |
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176 @return An error code related to the synchronous part of the request - KErrNone if successful, KErrArgument if |
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177 the message has a wrong size, KErrNotReady if the LBS can't be started, KErrPermissionDenied if the calling process |
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178 has not enough capabilities, or another system error code. |
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179 |
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180 @see MLbsSuplPushObserver::OnSuplInitComplete |
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181 @see CLbsSuplPush::SuplInit |
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182 */ |
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183 TInt CLbsSuplPushImpl::SuplInit(TLbsSuplPushRequestId& aReqId, const TDesC8& aMsg, TInt /*aReserved*/) |
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184 { |
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185 LBSLOG(ELogP1, "CLbsSuplPushImpl::ConstructL() Begin\n"); |
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186 TRAPD(err, SuplInitL(aReqId, aMsg)); |
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187 LBSLOG(ELogP1, "CLbsSuplPushImpl::ConstructL() End\n"); |
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188 return err; |
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189 } |
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190 |
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191 /** |
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192 A leaving implementation of the CLbsSuplPushImpl::SuplInit. |
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193 |
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194 @param aReqId [Out] A reference on the TLbsSuplPushRequestId variable where the assigned request id is written. |
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195 @param aMsg [In] The message buffer. |
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196 |
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197 @leave If a error happens, it leaves with the correspondent error code. |
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198 |
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199 @see CLbsSuplPushImpl::SuplInit |
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200 */ |
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201 void CLbsSuplPushImpl::SuplInitL(TLbsSuplPushRequestId& aReqId, const TDesC8& aMsg) |
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202 { |
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203 LBSLOG(ELogP1, "CLbsSuplPushImpl::SuplInitL() Begin\n"); |
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204 aReqId = 0; |
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205 |
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206 if(aMsg.Length()>KLbsMaxSuplMsgLength || aMsg.Length()==0) |
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207 { |
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208 //The messages out of these bounds must not arrive. If they do please check the source of the messages |
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209 //and make sure they are correct. |
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210 __ASSERT_DEBUG(0, User::Invariant()); |
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211 User::Leave(KErrArgument); |
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212 } |
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213 |
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214 if(iState==ECreated) |
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215 { |
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216 |
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217 // Get the CategoryUid from the cenrep file owned by LbsRoot. |
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218 TInt category; |
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219 CRepository* rep = CRepository::NewLC(KLbsCenRepUid); |
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220 User::LeaveIfError(rep->Get(KSuplPushAPIKey, category)); |
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221 CleanupStack::PopAndDestroy(rep); |
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222 iPropOwnerSecureId = TUid::Uid(category); |
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223 |
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224 //Initializing the BUSY property if it was not initialized before |
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225 TInt val; |
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226 User::LeaveIfError(RProperty::Get(iPropOwnerSecureId, iBusyPropKey, val)); |
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227 if(val==0) |
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228 { |
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229 User::LeaveIfError(RProperty::Set(iPropOwnerSecureId, iBusyPropKey, 1)); |
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230 } |
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231 |
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232 //Attaching to the BUSY and ACK properties |
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233 User::LeaveIfError(iBusyProperty.Attach(iPropOwnerSecureId, iBusyPropKey, EOwnerThread)); |
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234 User::LeaveIfError(iAckProperty.Attach(iPropOwnerSecureId, iAckPropKey, EOwnerThread)); |
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235 |
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236 iState=EInitialized; |
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237 } |
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238 |
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239 TBool isBusy; |
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240 TInt reqId; |
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241 User::LeaveIfError(GetBusyData(isBusy, reqId)); |
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242 User::LeaveIfError(SetBusyData(isBusy, reqId+1)); |
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243 |
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244 HBufC8* buf=HBufC8::NewL(2*sizeof(TInt)+aMsg.Length()); |
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245 CleanupStack::PushL(buf); |
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246 TPtr8 ptr=buf->Des(); |
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247 TInt length = aMsg.Length(); |
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248 ptr.Append(TPckgC<TInt>(length)); |
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249 ptr.Append(TPckgC<TInt>(reqId)); |
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250 ptr.Append(aMsg); |
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251 |
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252 CLbsSuplPushMsgInfo* msg = new(ELeave) CLbsSuplPushMsgInfo(reqId, buf); |
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253 CleanupStack::Pop(buf); |
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254 |
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255 CleanupStack::PushL(msg); |
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256 iMsgQueue.AppendL(msg); |
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257 CleanupStack::Pop(msg); |
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258 |
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259 if(iState==EInitialized) |
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260 { |
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261 //if not leave, we switch either to EWaitingAck or EWaitingBusy state here |
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262 User::LeaveIfError(SendMessage(EFalse)); |
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263 } |
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264 aReqId = reqId; |
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265 LBSLOG(ELogP1, "CLbsSuplPushImpl::SuplInitL() End\n"); |
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266 } |
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267 |
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268 |
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269 /** |
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270 Tries to send the next message in the queue. If the channel is busy, it subscribes for the BUSY property |
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271 and wait asynchronously when the property is free. |
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272 |
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273 @param aNotifyObserver [In] If the function must notify the observer when a error happens and the message fails. |
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274 |
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275 @return A error code if error happens, KErrNone - otherwise. |
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276 |
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277 @see CLbsSuplPushImpl::SuplInitL |
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278 @see CLbsSuplPushImpl::OnTimerEventL |
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279 @see CLbsSuplPushImpl::RunL |
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280 */ |
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281 TInt CLbsSuplPushImpl::SendMessage(TBool aNotifyObserver) |
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282 { |
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283 LBSLOG(ELogP1, "CLbsSuplPushImpl::SendMessage() Begin\n"); |
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284 //A message can be sent only when we are in the EInitialized state. And it must be in the queue, so the queue |
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285 //can't be empty. |
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286 __ASSERT_DEBUG(iState==EInitialized && iMsgQueue.Count()>0, User::Invariant()); |
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287 |
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288 CLbsSuplPushMsgInfo* msg=iMsgQueue[0]; |
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289 TBool isBusy; |
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290 TInt reqId; |
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291 |
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292 TInt err = GetBusyData(isBusy, reqId); |
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293 if(err==KErrNone) |
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294 { |
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295 if(isBusy) |
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296 { |
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297 iBusyProperty.Subscribe(iStatus); |
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298 SetActive(); |
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299 iState = EWaitingBusy; |
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300 LBSLOG(ELogP1, "CLbsSuplPushImpl::SendMessage() End\n"); |
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301 return KErrNone; |
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302 } |
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303 |
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304 iAckProperty.Subscribe(iStatus); |
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305 SetActive(); |
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306 |
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307 err = RProperty::Set(iPropOwnerSecureId, iInitPropKey, *msg->iMsg); |
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308 if(err==KErrNone) |
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309 { |
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310 err=SetBusyData(ETrue, reqId); |
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311 if(err==KErrNone) |
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312 { |
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313 iState=EWaitingAck; |
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314 iTimer->EventAfter(TTimeIntervalSeconds(KMsgTimeoutInterval), 0); |
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315 LBSLOG(ELogP1, "CLbsSuplPushImpl::SendMessage() End\n"); |
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316 return KErrNone; |
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317 } |
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318 } |
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319 //err!=KErrNone) |
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320 Cancel(); |
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321 } |
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322 |
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323 //err!=KErrNone) |
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324 if(aNotifyObserver) |
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325 { |
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326 iObserver.OnSuplInitComplete(iChannel, msg->iReqId, err, 0); |
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327 LBSLOG(ELogP9, "<-S MLbsSuplPushObserver::OnSuplInitComplete() SuplPush\n"); |
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328 LBSLOG2(ELogP9, " > TLbsSuplPushChannel aChannel = %d\n", iChannel); |
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329 LBSLOG2(ELogP9, " > TLbsSuplPushRequestId aReqId = %d\n", msg->iReqId); |
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330 LBSLOG2(ELogP9, " > TInt aError = %d\n", err); |
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331 } |
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332 iMsgQueue.Remove(0); |
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333 delete msg; |
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334 LBSLOG(ELogP1, "CLbsSuplPushImpl::SendMessage() End\n"); |
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335 return err; |
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336 } |
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337 |
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338 /** |
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339 From MLbsCallbackTimerObserver. Called when a message timeout error happens. It removes the outdated message |
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340 from the queue, notifies the observer that that message fails. Then it tries to deliver the next message if there is any. |
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341 If there is no messages to deliver and the object is in the EWaitingBusy state, it unsubscribes |
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342 from the BUSY property. |
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343 |
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344 @see CLbsCallbackTimer |
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345 @see CLbsSuplPushImpl::OnTimerError |
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346 */ |
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347 void CLbsSuplPushImpl::OnTimerEventL(TInt /*aTimerId*/) |
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348 { |
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349 LBSLOG(ELogP1, "CLbsSuplPushImpl::SendMessage() Begin\n"); |
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350 //A timer event can occur only when we are trying to deliver a message. That is we must be in |
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351 //EWaitingAck state. |
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352 __ASSERT_DEBUG((iMsgQueue.Count()>0 && iState==EWaitingAck), User::Invariant()); |
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353 |
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354 //Remove the expired message from the queue and notify the observer |
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355 CLbsSuplPushMsgInfo* msg=iMsgQueue[0]; |
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356 iObserver.OnSuplInitComplete(iChannel, msg->iReqId, KErrTimedOut, 0); |
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357 LBSLOG(ELogP9, "<-S MLbsSuplPushObserver::OnSuplInitComplete() SuplPush\n"); |
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358 LBSLOG2(ELogP9, " > TLbsSuplPushChannel aChannel = %d\n", iChannel); |
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359 LBSLOG2(ELogP9, " > TLbsSuplPushRequestId aReqId = %d\n", msg->iReqId); |
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360 LBSLOG(ELogP9, " > TInt aError = KErrTimedOut\n"); |
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361 delete msg; |
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362 iMsgQueue.Remove(0); |
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363 |
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364 |
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365 |
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366 //end the ACK subscription |
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367 Cancel(); |
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368 |
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369 //Release the BUSY property. |
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370 //The iState is set to EInitialized |
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371 ReleaseBusyProp(); |
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372 |
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373 //Schedule the next timeout event and start to deliver next message |
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374 while(iMsgQueue.Count()>0) |
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375 { |
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376 //The message is deleted in the SendMessage if the sending attempt fails |
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377 if(SendMessage(ETrue)==KErrNone) |
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378 { |
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379 break; |
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380 } |
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381 } |
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382 LBSLOG(ELogP1, "CLbsSuplPushImpl::SendMessage() End\n"); |
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383 } |
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384 |
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385 |
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386 /** |
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387 Called either when in the EWaitingAck state and the ACK property is changed or when in the EWaitingBusy |
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388 state and the BUSY property is changed. |
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389 |
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390 In the EWaitingAck state it checks that it is really the notification on |
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391 the message delivering now. If it is, it notifies the observer about the successful delivery. If not, |
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392 it resubscribes, returns immediately and the object continues to wait for the correct notification |
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393 asynchronously. |
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394 |
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395 In the EWaitingBusy state it checks if the channel is free. If it is not, it resubscribes, returns immideatelly, |
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396 and the object continues to wait when the channel is free asynchronously. |
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397 |
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398 In both states if the object is in the EInitialized state and ready to deliver the next message, the function |
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399 tries to deliver the message if there is any. |
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400 |
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401 @leave The function does not leave despite it has the L suffix. So, we do not need to imlement |
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402 the CActive::RunError function. |
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403 |
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404 @see CActive::RunL |
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405 */ |
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406 /*virtual*/ void CLbsSuplPushImpl::RunL() |
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407 { |
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408 LBSLOG(ELogP1, "CLbsSuplPushImpl::SendMessage() Begin\n"); |
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409 //The asyncronous request can be only either in EWaitingAck or EWaitingBusy state. |
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410 __ASSERT_DEBUG(iState==EWaitingAck || iState==EWaitingBusy, User::Invariant()); |
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411 if(EWaitingAck==iState) |
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412 { |
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413 //At least the message being delivered must be in the queue. |
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414 __ASSERT_DEBUG(iMsgQueue.Count()>0, User::Invariant()); |
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415 |
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416 CLbsSuplPushMsgInfo* msg = iMsgQueue[0]; |
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417 TInt err = iStatus.Int(); |
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418 if(err==KErrNone) |
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419 { |
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420 TInt ack; |
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421 err=RProperty::Get(iPropOwnerSecureId, iAckPropKey, ack); |
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422 if(err==KErrNone && ack!=msg->iReqId) |
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423 { |
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424 //It was not our message. It must not happen. |
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425 __ASSERT_DEBUG(0, User::Invariant()); |
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426 //We continue to listen for our message |
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427 iAckProperty.Subscribe(iStatus); |
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428 SetActive(); |
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429 LBSLOG(ELogP1, "CLbsSuplPushImpl::SendMessage() End\n"); |
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430 return; |
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431 } |
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432 } |
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433 |
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434 iObserver.OnSuplInitComplete(iChannel, msg->iReqId, err, 0); |
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435 LBSLOG(ELogP9, "<-S MLbsSuplPushObserver::OnSuplInitComplete() SuplPush\n"); |
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436 LBSLOG2(ELogP9, " > TLbsSuplPushChannel aChannel = %d\n", iChannel); |
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437 LBSLOG2(ELogP9, " > TLbsSuplPushRequestId aReqId = %d\n", msg->iReqId); |
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438 LBSLOG2(ELogP9, " > TInt aError = %d\n", err); |
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439 |
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440 delete msg; |
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441 iMsgQueue.Remove(0); |
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442 ReleaseBusyProp(); |
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443 iTimer->Cancel(); //cancel timeout event here |
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444 |
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445 } |
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446 else// EWaitingBusy: |
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447 { |
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448 TBool isBusy; |
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449 TInt reqId; |
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450 TInt err= GetBusyData(isBusy, reqId); |
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451 if(err!=KErrNone || isBusy) //Still waiting |
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452 { |
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453 iBusyProperty.Subscribe(iStatus); |
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454 SetActive(); |
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455 LBSLOG(ELogP1, "CLbsSuplPushImpl::SendMessage() End\n"); |
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456 return; |
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457 } |
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458 iState = EInitialized; |
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459 } |
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460 |
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461 //If there's been no error, we must be ready for sending messages and switch to EInitialized state. |
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462 __ASSERT_DEBUG(EInitialized == iState, User::Invariant()); |
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463 |
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464 //Start to deliver next message |
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465 while(iMsgQueue.Count()>0) |
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466 { |
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467 //The message is deleted in the SendMessage if the sending attempt fails |
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468 if(SendMessage(ETrue)==KErrNone) |
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469 { |
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470 break; |
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471 } |
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472 } |
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473 |
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474 LBSLOG(ELogP1, "CLbsSuplPushImpl::SendMessage() End\n"); |
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475 } |
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476 |
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477 /** |
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478 Called when CActive::Cancel method is called. It cancels both the ACK and BUSY subscriptions. Only one of |
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479 the two subscriptions can be actually active at every moment. But it is harmless to cancel inactive |
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480 subscription. |
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481 |
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482 @see CActive::DoCancel |
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483 @see CLbsSuplPushImpl::~CLbsSuplPushImpl |
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484 @see CLbsSuplPushImpl::SendMessage |
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485 @see CLbsSuplPushImpl::OnTimerEventL |
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486 */ |
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487 /*virtual*/ void CLbsSuplPushImpl::DoCancel() |
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488 { |
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489 LBSLOG(ELogP1, "CLbsSuplPushImpl::SendMessage() Begin\n"); |
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490 if(iState!=ECreated) |
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491 { |
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492 iAckProperty.Cancel(); |
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493 iBusyProperty.Cancel(); |
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494 } |
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495 LBSLOG(ELogP1, "CLbsSuplPushImpl::SendMessage() End\n"); |
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496 } |
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497 |
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498 /** |
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499 Tries to release the BUSY property. Switches to the EInitialized state in any case even though a error happens. |
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500 |
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501 @return A error code if error happens, KErrNone - otherwise. |
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502 |
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503 @see CLbsSuplPushImpl::~CLbsSuplPushImpl |
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504 @see CLbsSuplPushImpl::OnTimerEventL |
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505 @see CLbsSuplPushImpl::RunL |
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506 */ |
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507 TInt CLbsSuplPushImpl::ReleaseBusyProp() |
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508 { |
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509 LBSLOG(ELogP1, "CLbsSuplPushImpl::ReleaseBusyProp() Begin\n"); |
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510 //We must have grabbed the BUSY property before trying to release it. |
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511 __ASSERT_DEBUG(iState==EWaitingAck, User::Invariant()); |
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512 |
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513 TBool isBusy; |
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514 TInt reqId; |
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515 TInt err=GetBusyData(isBusy, reqId); |
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516 if(err==KErrNone) |
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517 { |
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518 //As we have grabbed the BUSY property, it must be in the BUSY state. |
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519 __ASSERT_DEBUG(isBusy, User::Invariant()); |
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520 err=SetBusyData(EFalse, reqId); |
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521 } |
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522 |
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523 if(err!=KErrNone) |
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524 { |
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525 //We do not expect any environment errors here. The properties must be in correct state and |
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526 //RProperty::Get & Set methods must not fail here. |
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527 __ASSERT_DEBUG(0, User::Invariant()); |
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528 } |
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529 |
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530 //We switch to EInitialized, even though error happened and we failed to release the BUSY property |
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531 iState = EInitialized; |
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532 |
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533 LBSLOG(ELogP1, "CLbsSuplPushImpl::ReleaseBusyProp() End\n"); |
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534 return err; |
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535 } |
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536 |
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537 |
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538 /** |
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539 Reads the busy flag and the next free request id from the BUSY property. |
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540 |
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541 @param aBusy [Out] The busy flag. |
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542 @param aChannel [Out] The next free request id. |
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543 |
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544 @return A error code if error happens, KErrNone - otherwise. |
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545 |
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546 @see CLbsSuplPushImpl::SuplInitL |
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547 @see CLbsSuplPushImpl::SendMessage |
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548 @see CLbsSuplPushImpl::ReleaseBusyProp |
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549 */ |
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550 TInt CLbsSuplPushImpl::GetBusyData(TBool& aBusy, TInt& aNextReqId) const |
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551 { |
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552 LBSLOG(ELogP1, "CLbsSuplPushImpl::GetBusyData() Begin\n"); |
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553 TInt val; |
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554 TInt err = RProperty::Get(iPropOwnerSecureId, iBusyPropKey, val); |
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555 if(err!=KErrNone) |
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556 { |
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557 LBSLOG(ELogP1, "CLbsSuplPushImpl::GetBusyData() End\n"); |
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558 return err; |
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559 } |
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560 |
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561 if(val>0) |
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562 { |
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563 aNextReqId = val; |
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564 aBusy = EFalse; |
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565 } |
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566 else if(val<0) |
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567 { |
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568 aNextReqId = -val; |
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569 aBusy = ETrue; |
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570 } |
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571 |
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572 else |
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573 { |
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574 //val==0. This must not happen - the property is initialized with positive value and then is changed by our |
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575 //code only to either postive or negative values. |
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576 __ASSERT_DEBUG(0, User::Invariant()); |
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577 LBSLOG(ELogP1, "CLbsSuplPushImpl::GetBusyData() End\n"); |
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578 return KErrGeneral; |
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579 } |
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580 LBSLOG(ELogP1, "CLbsSuplPushImpl::GetBusyData() End\n"); |
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581 return KErrNone; |
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582 } |
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583 |
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584 |
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585 /** |
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586 Writes the busy flag and the next free request id from the BUSY property. |
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587 |
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588 @param aBusy [In] The busy flag. |
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589 @param aChannel [In] The next free request id. |
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590 |
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591 @return A error code if error happens, KErrNone - otherwise. |
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592 |
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593 @see CLbsSuplPushImpl::SuplInitL |
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594 @see CLbsSuplPushImpl::SendMessage |
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595 @see CLbsSuplPushImpl::ReleaseBusyProp |
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596 */ |
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597 TInt CLbsSuplPushImpl::SetBusyData(TBool aBusy, TInt aNextReqId) const |
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598 { |
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599 LBSLOG(ELogP1, "CLbsSuplPushImpl::SetBusyData() Begin\n"); |
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600 //The BUSY property must not be already grabbed. |
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601 __ASSERT_DEBUG(aNextReqId>0, User::Invariant()); |
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602 |
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603 //reseting to one and start from the very beginning |
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604 if(aNextReqId==KMaxTInt) |
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605 { |
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606 aNextReqId=1; |
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607 } |
|
608 |
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609 TInt val=aNextReqId; |
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610 if(aBusy) |
|
611 { |
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612 val=-val; |
|
613 } |
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614 LBSLOG(ELogP1, "CLbsSuplPushImpl::SetBusyData() End\n"); |
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615 return RProperty::Set(iPropOwnerSecureId, iBusyPropKey, val); |
|
616 } |
|
617 |
|
618 /** |
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619 From MLbsCallbackTimerObserver. Normally it is called when OnTimerEventL leaves. Our implementation |
|
620 of OnTimerEventL does not leave, so this function must not be called. |
|
621 |
|
622 @see MLbsCallbackTimerObserver |
|
623 @see CLbsCallbackTimer |
|
624 */ |
|
625 TInt CLbsSuplPushImpl::OnTimerError(TInt /*aTimerId*/, TInt /*aError*/) |
|
626 { |
|
627 LBSLOG(ELogP1, "CLbsSuplPushImpl::SetBusyData() Begin\n"); |
|
628 __ASSERT_DEBUG(0, User::Invariant()); |
|
629 LBSLOG(ELogP1, "CLbsSuplPushImpl::SetBusyData() End\n"); |
|
630 return KErrNone; |
|
631 } |
|
632 |
|
633 |
|
634 |