1 // Copyright (c) 2008-2009 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 /** |
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17 @file |
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18 @internalTechnology |
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19 |
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20 */ |
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21 |
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22 #include "ULP.h" |
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23 #include "ASN1TTime.h" |
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24 #include <lbssatellite.h> |
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25 #include <lbs/lbsgpsmeasurement.h> |
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26 #include "suplend.h" |
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27 #include "supldevloggermacros.h" |
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28 |
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29 /** |
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30 Static factor constructor |
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31 */ |
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32 EXPORT_C CSuplEnd* CSuplEnd::NewL(TBool aIsOutgoingMessage) |
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33 { |
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34 SUPLLOG(ELogP1, "CSuplEnd::NewL() Begin\n"); |
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35 CSuplEnd* self = CSuplEnd::NewLC(aIsOutgoingMessage); |
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36 SUPLLOG(ELogP1, "CSuplEnd::NewL() End\n"); |
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37 CleanupStack::Pop(self); |
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38 return self; |
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39 } |
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40 |
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41 EXPORT_C CSuplEnd* CSuplEnd::NewLC(TBool aIsOutgoingMessage) |
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42 { |
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43 SUPLLOG(ELogP1, "CSuplEnd::NewLC() Begin\n"); |
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44 CSuplEnd* self = new (ELeave) CSuplEnd(aIsOutgoingMessage); |
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45 CleanupStack::PushL(self); |
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46 self->ConstructL(); |
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47 SUPLLOG(ELogP1, "CSuplEnd::NewLC() End\n"); |
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48 return self; |
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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 CSuplEnd::CSuplEnd(TBool aIsOutgoingMessage) |
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55 : CSuplMessageBase::CSuplMessageBase(ESuplEnd, aIsOutgoingMessage) |
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56 { |
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57 } |
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58 |
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59 |
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60 /** |
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61 Second stage constructor |
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62 */ |
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63 void CSuplEnd::ConstructL() |
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64 { |
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65 // call the base class ConstructL() to create common data structures |
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66 CSuplMessageBase::ConstructL(); |
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67 |
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68 // message specific structures for outgoing messages. |
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69 if (iIsOutgoingMessage) |
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70 { |
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71 // local reference to context object |
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72 OSCTXT* pctxt = iControl->getCtxtPtr(); |
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73 |
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74 // create the SUPL POS specific data structures |
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75 iData->message.t = T_UlpMessage_msSUPLEND; |
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76 iData->message.u.msSUPLEND = (ASN1T_SUPLEND*)rtxMemAllocZ(pctxt, sizeof(ASN1T_SUPLEND)); |
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77 LeaveIfAllocErrorL(); |
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78 } |
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79 } |
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80 |
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81 /** |
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82 Destructor |
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83 */ |
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84 CSuplEnd::~CSuplEnd() |
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85 { |
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86 SUPLLOG(ELogP1, "CSuplEnd::~CSuplEnd() Begin\n"); |
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87 SUPLLOG(ELogP1, "CSuplEnd::~CSuplEnd() End\n"); |
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88 } |
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89 |
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90 |
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91 /** |
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92 SetPosition() |
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93 |
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94 Set the Position parameter |
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95 |
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96 @param aPosInfo, position info as provided by LBS subsystem |
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97 @return error indication, KErrNone otherwise |
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98 */ |
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99 EXPORT_C TInt CSuplEnd::SetPosition(const TPositionInfoBase& aPosInfo) |
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100 { |
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101 SUPLLOG(ELogP1, "CSuplEnd::SetPosition() Begin\n"); |
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102 __ASSERT_DEBUG(iIsOutgoingMessage, User::Invariant()); |
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103 __ASSERT_DEBUG(iData->message.u.msSUPLEND != NULL, User::Invariant()); |
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104 |
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105 // flag that the optional position parameter is present |
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106 iData->message.u.msSUPLEND->m.positionPresent = 1; |
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107 |
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108 SUPLLOG(ELogP1, "CSuplEnd::SetPosition() End (Calling PopulatePosition())\n"); |
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109 return PopulatePosition(aPosInfo, iData->message.u.msSUPLEND->position); |
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110 } |
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111 |
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112 |
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113 /** |
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114 SetStatusCode() |
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115 |
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116 Set the SUPL Status Code |
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117 |
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118 @param aStatusCode, the status code for session termination |
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119 @return error indication, KErrNone otherwise |
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120 */ |
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121 EXPORT_C TInt CSuplEnd::SetStatusCode(TSuplStatusCode& aStatusCode) |
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122 { |
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123 SUPLLOG(ELogP1, "CSuplEnd::SetStatusCode() Begin\n"); |
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124 SUPLLOG2(ELogP1, " - TSuplStatusCode aStatusCode = %d\n", aStatusCode); |
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125 __ASSERT_DEBUG(iIsOutgoingMessage, User::Invariant()); |
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126 __ASSERT_DEBUG(iData->message.u.msSUPLEND != NULL, User::Invariant()); |
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127 |
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128 // flag that the optional status code parameter is present and set param |
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129 iData->message.u.msSUPLEND->m.statusCodePresent = 1; |
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130 iData->message.u.msSUPLEND->statusCode = aStatusCode; |
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131 |
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132 SUPLLOG(ELogP1, "CSuplEnd::SetStatusCode() End\n"); |
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133 return KErrNone; |
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134 } |
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135 |
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136 |
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137 |
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138 /** |
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139 SetVer() |
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140 |
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141 Sets the Ver parameter, a hash of the received SUPL INIT message of the |
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142 outgoing message |
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143 |
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144 @param aVer, pointer to buffer containing the hash of the SUPL INIT message |
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145 @return error indication, KErrNone otherwise |
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146 */ |
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147 EXPORT_C TInt CSuplEnd::SetVer(const TDesC8& aVer) |
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148 { |
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149 SUPLLOG(ELogP1, "CSuplEnd::SetVer() Begin\n"); |
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150 __ASSERT_DEBUG(iData->message.u.msSUPLEND != NULL, User::Invariant()); |
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151 |
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152 ASN1T_SUPLEND& suplEnd = *iData->message.u.msSUPLEND; |
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153 suplEnd.m.verPresent = 1; |
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154 suplEnd.ver.numbits = 64; |
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155 TPtr8 target(suplEnd.ver.data, 8); |
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156 target.Copy(aVer); |
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157 |
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158 SUPLLOG(ELogP1, "CSuplEnd::SetVer() End\n"); |
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159 return KErrNone; |
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160 } |
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161 |
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162 /** |
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163 PositionPresent() |
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164 |
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165 @return ETrue if the position parameter is present |
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166 */ |
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167 EXPORT_C TBool CSuplEnd::PositionPresent() |
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168 { |
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169 SUPLLOG(ELogP1, "CSuplEnd::PositionPresent() Begin\n"); |
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170 __ASSERT_DEBUG(!iIsOutgoingMessage, User::Invariant()); |
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171 __ASSERT_DEBUG(iData->message.u.msSUPLEND != NULL, User::Invariant()); |
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172 |
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173 if (iData->message.u.msSUPLEND->m.positionPresent != 0) |
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174 { |
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175 SUPLLOG(ELogP1, "CSuplEnd::PositionPresent(ETrue) End\n"); |
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176 return ETrue; |
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177 } |
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178 SUPLLOG(ELogP1, "CSuplEnd::PositionPresent(EFalse) End\n"); |
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179 return EFalse; |
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180 } |
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181 |
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182 |
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183 /** |
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184 Postion() |
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185 |
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186 Retrieve the received position information. |
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187 |
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188 @param aPosition, on return populated with the received position information |
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189 @return error indication, KErrNone otherwise |
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190 */ |
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191 EXPORT_C TInt CSuplEnd::GetPosition(TPosition& aPosition) |
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192 { |
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193 SUPLLOG(ELogP1, "CSuplEnd::Position() Begin\n"); |
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194 __ASSERT_DEBUG(!iIsOutgoingMessage, User::Invariant()); |
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195 __ASSERT_DEBUG(iData->message.u.msSUPLEND != NULL, User::Invariant()); |
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196 |
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197 if (iData->message.u.msSUPLEND->m.positionPresent != 0) |
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198 { |
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199 ASN1T_Position& receivedPos = iData->message.u.msSUPLEND->position; |
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200 |
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201 TTime time(0); |
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202 TInt err = DecodeTime((TUint8*)receivedPos.timestamp, time); |
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203 |
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204 aPosition.SetTime(time); |
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205 |
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206 TReal64 latitude = receivedPos.positionEstimate.latitude; |
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207 latitude *= 90; |
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208 latitude /= 8388608; // 2^23 |
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209 if (receivedPos.positionEstimate.latitudeSign == PositionEstimate_latitudeSign::south) |
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210 { |
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211 latitude *= -1; |
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212 } |
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213 TReal64 longitude = receivedPos.positionEstimate.longitude; |
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214 longitude *= 360; |
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215 longitude /= 16777216; |
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216 aPosition.SetCoordinate(latitude, longitude); |
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217 |
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218 // horizontal uncertainty |
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219 // from 3gpp ts 23.032: uncert = C( (1+x)^k - 1 ), C = 10, x = 0.1 |
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220 if (receivedPos.positionEstimate.m.uncertaintyPresent != 0) |
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221 { |
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222 TUint k = receivedPos.positionEstimate.uncertainty.uncertaintySemiMajor; |
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223 TReal uncert; |
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224 Math::Pow(uncert, 1.1, k); |
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225 uncert -= 1; |
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226 uncert *= 10; |
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227 aPosition.SetHorizontalAccuracy(uncert); |
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228 } |
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229 |
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230 // vertical position |
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231 if (receivedPos.positionEstimate.m.altitudeInfoPresent != 0) |
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232 { |
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233 // actual altitude in meters |
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234 TReal32 altitude = receivedPos.positionEstimate.altitudeInfo.altitude; |
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235 // direction |
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236 if (receivedPos.positionEstimate.altitudeInfo.altitudeDirection == AltitudeInfo_altitudeDirection::depth) |
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237 { |
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238 altitude *= -1; |
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239 } |
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240 aPosition.SetCoordinate(latitude, longitude, altitude); |
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241 |
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242 // altitude uncertainty |
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243 // from 3gpp ts 23.032: altUncert = C( (1+x)^k - 1 ), C = 45, x = 0.025 |
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244 TUint kAlt = receivedPos.positionEstimate.altitudeInfo.altUncertainty; |
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245 TReal altUncert; |
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246 Math::Pow(altUncert, 1.025, kAlt); |
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247 altUncert -= 1; |
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248 altUncert *= 45; |
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249 aPosition.SetVerticalAccuracy(altUncert); |
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250 } |
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251 } |
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252 else |
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253 { |
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254 return KErrNotFound; |
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255 } |
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256 |
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257 SUPLLOG(ELogP1, "CSuplEnd::Position() End\n"); |
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258 return KErrNone; |
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259 } |
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260 |
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261 |
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262 /** |
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263 StatusCodePresent() |
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264 |
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265 @return ETrue if the status code parameter is present |
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266 */ |
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267 EXPORT_C TBool CSuplEnd::StatusCodePresent() |
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268 { |
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269 SUPLLOG(ELogP1, "CSuplEnd::StatusCodePresent() Begin\n"); |
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270 if (iData->message.u.msSUPLEND->m.statusCodePresent != 0) |
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271 { |
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272 SUPLLOG(ELogP1, "CSuplEnd::StatusCodePresent(ETrue) End\n"); |
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273 return ETrue; |
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274 } |
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275 |
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276 SUPLLOG(ELogP1, "CSuplEnd::StatusCodePresent(EFalse) End\n"); |
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277 return EFalse; |
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278 } |
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279 |
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280 |
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281 /** |
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282 StatusCode() |
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283 |
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284 @return the SUPL status code |
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285 */ |
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286 EXPORT_C TSuplStatusCode CSuplEnd::StatusCode() |
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287 { |
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288 SUPLLOG(ELogP1, "CSuplEnd::StatusCode() Begin\n"); |
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289 __ASSERT_DEBUG(!iIsOutgoingMessage, User::Invariant()); |
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290 __ASSERT_DEBUG(iData->message.u.msSUPLEND != NULL, User::Invariant()); |
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291 |
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292 if (iData->message.u.msSUPLEND->m.statusCodePresent != 0) |
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293 { |
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294 SUPLLOG2(ELogP1, "CSuplEnd::StatusCode() End (Status Code == %d\n", iData->message.u.msSUPLEND->statusCode); |
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295 return (TSuplStatusCode)iData->message.u.msSUPLEND->statusCode; |
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296 } |
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297 |
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298 SUPLLOG(ELogP1, "CSuplEnd::StatusCode() End (Status Code not present)\n"); |
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299 return ESuplStatusUnspecified; |
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300 } |
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301 |
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302 |
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303 |
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304 TInt CSuplEnd::DecodeTime(const TUint8* aTimeString, TTime& aTimeOut) |
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305 { |
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306 SUPLLOG(ELogP1, "CSuplEnd::DecodeTime() Begin\n"); |
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307 |
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308 TInt err = KErrNone; |
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309 |
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310 ASN1TUTCTime t; |
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311 err = t.parseString((const char*)aTimeString); |
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312 if (err != KErrNone) |
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313 { |
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314 return err; |
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315 } |
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316 |
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317 TInt month = t.getMonth(); |
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318 |
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319 TMonth monthEnum; |
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320 switch (month) |
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321 { |
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322 case 1: monthEnum = EJanuary; break; |
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323 case 2: monthEnum = EFebruary; break; |
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324 case 3: monthEnum = EMarch; break; |
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325 case 4: monthEnum = EApril; break; |
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326 case 5: monthEnum = EMay; break; |
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327 case 6: monthEnum = EJune; break; |
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328 case 7: monthEnum = EJuly; break; |
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329 case 8: monthEnum = EAugust; break; |
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330 case 9: monthEnum = ESeptember; break; |
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331 case 10: monthEnum = EOctober; break; |
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332 case 11: monthEnum = ENovember; break; |
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333 case 12: monthEnum = EDecember; break; |
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334 default: |
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335 __ASSERT_DEBUG(0, User::Invariant()); |
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336 return KErrArgument; |
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337 } |
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338 |
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339 //Get the day value, subtract 1 from it to convert to internal day values (0-...) |
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340 TInt day = t.getDay() - 1; |
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341 |
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342 TDateTime dateTime(t.getYear(), monthEnum, day, t.getHour(), t.getMinute(), t.getSecond(), 0); |
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343 aTimeOut = dateTime; |
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344 |
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345 SUPLLOG(ELogP1, "CSuplEnd::DecodeTime() End\n"); |
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346 return KErrNone; |
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347 } |
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348 |
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349 |
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