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1 // Copyright (c) 2000-2009 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 <bluetooth/logger.h> |
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17 #include <btsdp.h> |
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18 #include "ipcinternals.h" |
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19 #include "DataEncoder.h" |
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20 #include "EncoderVisitor.h" |
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21 #include <e32math.h> |
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22 #include <utf.h> |
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23 #include <es_sock.h> |
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24 |
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25 #ifdef __FLOG_ACTIVE |
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26 _LIT8(KLogComponent, LOG_COMPONENT_SDPDATABASE); |
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27 #endif |
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28 |
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29 static TInt StartServer() |
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30 // |
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31 // Start the server process or thread |
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32 // |
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33 { |
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34 LOG_STATIC_FUNC |
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35 |
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36 const TUidType serverUid(KNullUid,KNullUid,KSdpServerUid3); |
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37 |
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38 #ifdef __SDPSERVER_NO_PROCESSES__ |
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39 // |
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40 // In EKA1 WINS the server is a DLL, the exported entrypoint returns a TInt |
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41 // which represents the real entry-point for the server thread |
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42 // |
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43 RLibrary lib; |
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44 TInt r=lib.Load(KSdpServerImg,serverUid); |
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45 if (r!=KErrNone) |
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46 return r; |
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47 TLibraryFunction ordinal1=lib.Lookup(1); |
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48 TThreadFunction serverFunc=reinterpret_cast<TThreadFunction>(ordinal1()); |
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49 // |
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50 // To deal with the unique thread (+semaphore!) naming in EPOC, and that we may |
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51 // be trying to restart a server that has just exited we attempt to create a |
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52 // unique thread name for the server. |
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53 // This uses Math::Random() to generate a 32-bit random number for the name |
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54 // |
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55 TName name(KSdpServerName); |
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56 _LIT(KHexString, "0x"); |
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57 name.Append(KHexString()); |
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58 name.AppendNum(Math::Random(),EHex); |
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59 RThread server; |
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60 r=server.Create(name,serverFunc, |
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61 KSdpServerStackSize, |
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62 NULL,&lib,NULL, |
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63 KSdpServerInitHeapSize,KSdpServerMaxHeapSize,EOwnerProcess); |
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64 lib.Close(); // if successful, server thread has handle to library now |
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65 #else |
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66 // |
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67 // EPOC and EKA2 is easy, we just create a new server process. Simultaneous |
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68 // launching of two such processes should be detected when the second one |
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69 // attempts to create the server object, failing with KErrAlreadyExists. |
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70 // |
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71 RProcess server; |
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72 TInt r=server.Create(KSdpServerImg,KNullDesC,serverUid); |
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73 #endif |
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74 |
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75 LOG(KSdpServerImg); |
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76 LOG1(_L("c\tSdp Server created, code %d"), r); |
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77 if (r!=KErrNone) |
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78 return r; |
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79 |
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80 TRequestStatus status; |
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81 // this is a variant of RProcess::Logon which completes either when the process |
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82 // terminates or when the new process calls "RProcess::Rendezvous();" |
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83 server.Rendezvous(status); |
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84 if (status!=KRequestPending) |
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85 { |
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86 server.Kill(0); // abort startup |
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87 } |
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88 else |
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89 { |
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90 server.Resume(); // Rendezvous OK - start the server |
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91 LOG(_L("c\tSdp Server Resumed")); |
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92 } |
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93 User::WaitForRequest(status); // wait for start or death |
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94 LOG1(_L("c\tSdp Server started, code %d (0=>success)"), status.Int()); |
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95 server.Close(); |
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96 LOG(_L("c\tSdp Server Closed")); |
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97 return status.Int(); |
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98 } |
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99 |
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100 |
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101 //================================== |
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102 // RSdp |
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103 //================================== |
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104 |
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105 EXPORT_C RSdp::RSdp() |
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106 /** Default constructor. */ |
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107 { |
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108 LOG_FUNC |
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109 } |
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110 |
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111 EXPORT_C TInt RSdp::Connect() |
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112 /** Connects a client process to the database. |
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113 |
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114 The connection should be closed after use with RHandleBase::Close(). |
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115 |
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116 @return System-wide error code */ |
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117 { |
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118 LOG_FUNC |
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119 TInt retry=2; |
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120 for (;;) |
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121 { |
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122 TInt r=CreateSession(KSdpServerName,TVersion(0,0,0)); //gives MessageSlots of -1 |
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123 //this uses global pool rather |
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124 //than local pool |
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125 if (r!=KErrNotFound && r!=KErrServerTerminated) |
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126 return r; |
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127 if (--retry==0) |
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128 return r; |
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129 r=StartServer(); |
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130 if (r!=KErrNone && r!=KErrAlreadyExists) |
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131 return r; |
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132 } |
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133 } |
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134 |
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135 EXPORT_C TVersion RSdp::Version() const |
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136 /** Gets the version of the database server. |
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137 |
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138 @return Version information */ |
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139 { |
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140 LOG_FUNC |
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141 return TVersion(KSdpServerMajorVersionNumber, |
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142 KSdpServerMinorVersionNumber, |
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143 KSdpServerBuildVersionNumber); |
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144 } |
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145 |
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146 EXPORT_C void RSdp::ResourceCountMarkStart() |
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147 /** Starts the counter to keep track of open subsessions. |
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148 |
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149 This should be used by clients to do resource leakage debugging checks. */ |
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150 { |
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151 LOG_FUNC |
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152 SendReceive(ESdpResourceCountMarkStart, TIpcArgs(NULL)); //ss// |
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153 } |
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154 |
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155 EXPORT_C void RSdp::ResourceCountMarkEnd() |
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156 /** Stops the counter to keep track of open subsessions. |
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157 |
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158 This should be used by clients to do resource leakage debugging checks. */ |
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159 { |
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160 LOG_FUNC |
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161 SendReceive(ESdpResourceCountMarkEnd, TIpcArgs(NULL)); //ss// |
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162 } |
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163 |
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164 EXPORT_C TInt RSdp::ResourceCount() |
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165 /** Gets the number of open subsessions to the database. |
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166 |
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167 This should be used by clients to do resource leakage debugging checks. |
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168 |
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169 @return Number of open subsessions to the database */ |
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170 { |
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171 LOG_FUNC |
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172 TInt count = 0; |
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173 TPckgBuf<TInt> pckg(count); |
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174 SendReceive(ESdpResourceCount, TIpcArgs(&pckg)); //ss// |
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175 return pckg(); |
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176 } |
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177 |
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178 /** |
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179 @internalTechnology |
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180 @released |
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181 */ |
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182 EXPORT_C TInt RSdp::__DbgMarkHeap() |
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183 { |
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184 LOG_FUNC |
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185 #ifdef _DEBUG |
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186 return SendReceive(ESdpServerDbgMarkHeap); |
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187 #else |
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188 return KErrNone; |
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189 #endif |
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190 } |
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191 |
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192 /** |
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193 @internalTechnology |
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194 @released |
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195 */ |
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196 EXPORT_C TInt RSdp::__DbgCheckHeap(TInt aCount) |
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197 { |
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198 LOG_FUNC |
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199 #ifdef _DEBUG |
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200 return SendReceive(ESdpServerDbgCheckHeap, TIpcArgs(aCount)); |
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201 #else |
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202 (void)aCount; |
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203 return KErrNone; |
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204 #endif |
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205 } |
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206 |
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207 /** |
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208 @internalTechnology |
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209 @released |
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210 */ |
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211 EXPORT_C TInt RSdp::__DbgMarkEnd(TInt aCount) |
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212 { |
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213 LOG_FUNC |
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214 #ifdef _DEBUG |
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215 return SendReceive(ESdpServerDbgMarkEnd, TIpcArgs(aCount)); |
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216 #else |
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217 (void)aCount; |
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218 return KErrNone; |
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219 #endif |
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220 } |
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221 |
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222 /** |
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223 @internalTechnology |
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224 @released |
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225 */ |
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226 EXPORT_C TInt RSdp::__DbgFailNext(TInt aCount) |
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227 { |
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228 LOG_FUNC |
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229 #ifdef _DEBUG |
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230 return SendReceive(ESdpServerDbgFailNext, TIpcArgs(aCount)); |
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231 #else |
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232 (void)aCount; |
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233 return KErrNone; |
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234 #endif |
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235 } |
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236 |
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237 //================================== |
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238 // RSdpDatabase |
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239 //================================== |
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240 |
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241 EXPORT_C TInt RSdpDatabase::Open(RSdp& aSession) |
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242 /** Opens a SDP database subsession. |
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243 |
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244 @param aSession SDP database session |
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245 @return System-wide error code |
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246 @capability LocalServices */ |
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247 { |
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248 LOG_FUNC |
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249 return CreateSubSession(aSession, ESdpCreateDatabaseSubSession/*, TIpcArgs(&p[0])*/); //ss// |
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250 } |
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251 |
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252 EXPORT_C RSdpDatabase::RSdpDatabase() : |
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253 iBuffer(0) |
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254 /** Default constructor. |
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255 |
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256 @capability LocalServices */ |
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257 { |
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258 LOG_FUNC |
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259 } |
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260 |
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261 EXPORT_C void RSdpDatabase::Close() |
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262 /** Closes the SDP database subsession. |
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263 |
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264 Any records that have been added during this session will be removed when the session is closed. |
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265 @capability LocalServices */ |
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266 { |
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267 LOG_FUNC |
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268 //delete resources |
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269 delete iBuffer; |
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270 iBuffer = NULL; |
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271 |
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272 RSubSessionBase::CloseSubSession(ESdpCloseSubSession); |
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273 } |
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274 |
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275 |
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276 EXPORT_C void RSdpDatabase::CreateServiceRecordL(const TUUID& aUUID, TSdpServRecordHandle& aHandle) |
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277 /** Creates a new service record, with a single service class, in the SDP database. |
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278 |
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279 |
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280 @param aUUID The service class UUID for the service record |
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281 @param aHandle On return, the service record handle of the new record |
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282 @capability LocalServices */ |
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283 { |
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284 LOG_FUNC |
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285 if (SubSessionHandle()) |
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286 { |
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287 CSdpAttrValueDES* list = CSdpAttrValueDES::NewDESL(NULL); |
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288 CleanupStack::PushL(list); |
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289 MSdpElementBuilder* bldr = list; |
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290 |
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291 bldr |
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292 ->StartListL() |
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293 ->BuildUUIDL(aUUID) |
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294 ->EndListL(); |
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295 CreateServiceRecordL(*list, aHandle); |
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296 CleanupStack::PopAndDestroy(); //list |
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297 } |
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298 else |
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299 { |
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300 //Client has a bad handle therefore panic |
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301 User::Panic(_L("SDP-Subsession"), KErrBadHandle); |
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302 } |
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303 } |
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304 |
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305 EXPORT_C void RSdpDatabase::CreateServiceRecordL(CSdpAttrValueDES& aUUIDList, |
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306 TSdpServRecordHandle& aHandle) |
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307 /** Creates a new service record, with multiple service classes, in the SDP database. |
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308 |
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309 @param aUUIDList The service class attribute of the new record. This should |
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310 consist of a list of UUIDs of the service classes to which the record belongs. |
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311 The UUIDs should be ordered from the most derived service class to the base |
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312 one. |
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313 @param aHandle On return, the service record handle of the new record |
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314 @capability LocalServices */ |
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315 { |
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316 LOG_FUNC |
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317 if (SubSessionHandle()) |
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318 { |
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319 delete iBuffer; |
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320 iBuffer = 0; |
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321 TUint size = TElementEncoder::EncodedSize(ETypeDES, aUUIDList.DataSize()); |
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322 iBuffer = HBufC8::NewL(size); |
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323 TPtr8 ptr = iBuffer->Des(); |
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324 |
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325 TElementEncoder ee(ptr); |
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326 CAttrEncoderVisitor::EncodeAttributeL(ee, aUUIDList); |
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327 |
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328 TSdpServRecordHandlePckgBuf pckg; |
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329 User::LeaveIfError(SendReceive(ESdpDatabaseCreateServiceRecord, TIpcArgs(iBuffer, &pckg))); //ss// |
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330 aHandle = pckg(); //return handle in handle reference |
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331 } |
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332 else |
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333 { |
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334 //Client has a bad handle therefore panic |
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335 User::Panic(_L("SDP-Subsession"), KErrBadHandle); |
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336 } |
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337 } |
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338 |
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339 |
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340 EXPORT_C void RSdpDatabase::UpdateAttributeL(TSdpServRecordHandle aHandle, |
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341 TSdpAttributeID aAttrID, |
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342 CSdpAttrValue& aAttrValue) |
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343 /** Updates a service record attribute (value encapsulated in a CSdpAttrValue). |
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344 |
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345 If the attribute does not exist, it is created. If it already exists, the |
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346 current definition is removed and the new value inserted. |
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347 |
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348 No check is made that the attribute value is suitable for the service class |
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349 to which the record belongs. It is up to the user to ensure that the semantics |
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350 of the attribute defined by the service class are respected. |
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351 |
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352 @param aHandle The service record handle to update |
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353 @param aAttrID The attribute ID to update |
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354 @param aAttrValue The attribute value |
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355 @capability LocalServices */ |
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356 { |
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357 LOG_FUNC |
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358 if (SubSessionHandle()) |
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359 { |
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360 TSdpAttributeIDPckgBuf idPckg; |
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361 TSdpServRecordHandlePckgBuf handlePckg; |
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362 handlePckg() = aHandle; //put record handle into package |
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363 idPckg() = aAttrID; //put attr ID into package |
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364 |
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365 delete iBuffer; |
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366 iBuffer = 0; |
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367 TUint size = TElementEncoder::EncodedSize(aAttrValue.Type(), aAttrValue.DataSize()); |
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368 iBuffer = HBufC8::NewL(size); |
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369 TPtr8 ptr = iBuffer->Des(); |
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370 |
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371 TElementEncoder ee(ptr); |
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372 CAttrEncoderVisitor::EncodeAttributeL(ee, aAttrValue); |
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373 |
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374 User::LeaveIfError(SendReceive(ESdpDatabaseUpdateAttribute, TIpcArgs(&handlePckg, &idPckg, iBuffer))); //ss// |
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375 } |
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376 else |
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377 { |
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378 //Client has a bad handle therefore panic |
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379 User::Panic(_L("SDP-Subsession"), KErrBadHandle); |
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380 } |
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381 } |
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382 |
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383 EXPORT_C void RSdpDatabase::UpdateAttributeL(TSdpServRecordHandle aHandle, |
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384 TSdpAttributeID aAttrID, |
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385 TUint aUintValue) |
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386 /** Updates a service record attribute (integer value). |
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387 |
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388 If the attribute does not exist, it is created. If it already exists, the |
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389 current definition is removed and the new value inserted. |
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390 |
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391 No check is made that the attribute value is suitable for the service class |
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392 to which the record belongs. It is up to the user to ensure that the semantics |
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393 of the attribute defined by the service class are respected. |
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394 |
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395 @param aHandle The service record handle to update |
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396 @param aAttrID The attribute ID to update |
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397 @param aUintValue The attribute value |
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398 @capability LocalServices */ |
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399 { |
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400 LOG_FUNC |
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401 if (SubSessionHandle()) |
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402 { |
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403 TBuf8<4> buf; |
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404 buf.SetLength(4); |
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405 BigEndian::Put32(&buf[0], aUintValue); |
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406 CSdpAttrValueUint* attrValueUint = CSdpAttrValueUint::NewUintL(buf); |
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407 CleanupStack::PushL(attrValueUint); |
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408 UpdateAttributeL(aHandle, aAttrID, *attrValueUint); |
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409 CleanupStack::PopAndDestroy(); //attrValueUint |
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410 } |
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411 else |
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412 { |
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413 //Client has a bad handle therefore panic |
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414 User::Panic(_L("SDP-Subsession"), KErrBadHandle); |
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415 } |
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416 } |
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417 |
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418 EXPORT_C void RSdpDatabase::UpdateAttributeL(TSdpServRecordHandle aHandle, |
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419 TSdpAttributeID aAttrID, |
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420 const TDesC16& aDesCValue) |
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421 /** Updates a service record attribute (wide descriptor value). |
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422 |
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423 If the attribute does not exist, it is created. If it already exists, the |
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424 current definition is removed and the new value inserted. |
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425 |
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426 No check is made that the attribute value is suitable for the service class |
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427 to which the record belongs. It is up to the user to ensure that the semantics |
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428 of the attribute defined by the service class are respected. |
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429 |
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430 @param aHandle The service record handle to update |
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431 @param aAttrID The attribute ID to update |
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432 @param aDesCValue The attribute value |
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433 @capability LocalServices */ |
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434 /** Updates a service record attribute (narrow descriptor value). |
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435 |
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436 If the attribute does not exist, it is created. If it already exists, the |
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437 current value is removed and the new value inserted. |
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438 |
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439 No check is made that the attribute value is suitable for the service class |
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440 to which the record belongs. It is up to the user to ensure that the semantics |
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441 of the attribute defined by the service class are respected. |
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442 |
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443 @param aHandle The service record handle to update |
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444 @param aAttrID The attribute ID to update |
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445 @param aDesCValue The attribute value |
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446 @capability LocalServices */ |
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447 { |
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448 LOG_FUNC |
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449 if (SubSessionHandle()) |
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450 { |
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451 //The '5' below is max ratio of number of UTF_8 chars to number of unicode chars . |
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452 HBufC8* buf = HBufC8::NewLC(5*aDesCValue.Length()); |
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453 TPtr8 ptr = buf->Des(); |
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454 CnvUtfConverter::ConvertFromUnicodeToUtf8(ptr, aDesCValue); |
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455 UpdateAttributeL(aHandle, aAttrID, ptr); |
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456 CleanupStack::PopAndDestroy(); //buf |
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457 } |
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458 else |
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459 { |
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460 //Client has a bad handle therefore panic |
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461 User::Panic(_L("SDP-Subsession"), KErrBadHandle); |
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462 } |
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463 } |
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464 |
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465 EXPORT_C void RSdpDatabase::UpdateAttributeL(TSdpServRecordHandle aHandle, |
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466 TSdpAttributeID aAttrID, |
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467 const TDesC8& aDesCValue) |
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468 /** Updates a service record attribute (wide descriptor value). |
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469 |
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470 If the attribute does not exist, it is created. If it already exists, the |
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471 current value is removed and the new value inserted. |
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472 |
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473 No check is made that the attribute value is suitable for the service class |
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474 to which the record belongs. It is up to the user to ensure that the semantics |
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475 of the attribute defined by the service class are respected. |
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476 |
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477 @param aHandle The service record handle to update |
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478 @param aAttrID The attribute ID to update |
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479 @param aDesCValue The attribute value |
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480 @capability LocalServices */ |
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481 /** Updates a service record attribute (narrow descriptor value). |
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482 |
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483 If the attribute does not exist, it is created. If it already exists, the |
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484 current definition is removed and the new value inserted. |
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485 |
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486 No check is made that the attribute value is suitable for the service class |
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487 to which the record belongs. It is up to the user to ensure that the semantics |
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488 of the attribute defined by the service class are respected. |
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489 |
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490 @param aHandle The service record handle to update |
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491 @param aAttrID The attribute ID to update |
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492 @param aDesCValue The attribute value |
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493 @capability LocalServices */ |
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494 { |
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495 LOG_FUNC |
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496 if (SubSessionHandle()) |
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497 { |
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498 CSdpAttrValueString* attrValueString = CSdpAttrValueString::NewStringL(aDesCValue); |
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499 CleanupStack::PushL(attrValueString); |
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500 UpdateAttributeL(aHandle, aAttrID, *attrValueString); |
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501 CleanupStack::PopAndDestroy(); //attrValueString |
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502 } |
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503 else |
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504 { |
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505 //Client has a bad handle therefore panic |
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506 User::Panic(_L("SDP-Subsession"), KErrBadHandle); |
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507 } |
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508 } |
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509 |
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510 /** Delete an attribute from a service record. |
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511 |
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512 @param aHandle The service record from which to delete the attribute |
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513 @param aAttrID The ID of the attribute |
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514 @capability LocalServices |
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515 @deprecated Use non-leaving version instead |
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516 @see RSdpDatabase::DeleteAttribute |
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517 */ |
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518 EXPORT_C void RSdpDatabase::DeleteAttributeL(TSdpServRecordHandle aHandle, TSdpAttributeID aAttrID) |
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519 { |
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520 LOG_FUNC |
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521 if (SubSessionHandle()) |
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522 { |
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523 TPckg<TSdpAttributeID> idPckg(aAttrID); |
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524 TPckg<TSdpServRecordHandle> handlePckg(aHandle); |
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525 User::LeaveIfError(SendReceive(ESdpDatabaseDeleteAttribute, TIpcArgs(&handlePckg, &idPckg))); |
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526 } |
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527 else |
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528 { |
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529 //Client has a bad handle therefore panic |
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530 User::Panic(_L("SDP-Subsession"), KErrBadHandle); |
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531 } |
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532 } |
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533 |
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534 /** Delete an attribute from a service record. |
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535 |
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536 @param aHandle The service record from which to delete the attribute |
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537 @param aAttrID The ID of the attribute |
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538 @capability LocalServices |
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539 */ |
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540 EXPORT_C void RSdpDatabase::DeleteAttribute(TSdpServRecordHandle aHandle, TSdpAttributeID aAttrID) |
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541 { |
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542 LOG_FUNC |
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543 if (SubSessionHandle()) |
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544 { |
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545 TPckg<TSdpAttributeID> idPckg(aAttrID); |
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546 TPckg<TSdpServRecordHandle> handlePckg(aHandle); |
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547 |
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548 SendReceive(ESdpDatabaseDeleteAttribute, TIpcArgs(&handlePckg, &idPckg)); |
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549 } |
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550 else |
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551 { |
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552 //Client has a bad handle therefore panic |
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553 User::Panic(_L("SDP-Subsession"), KErrBadHandle); |
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554 } |
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555 } |
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556 |
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557 /** Deletes a service record. |
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558 |
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559 @param aHandle Handle of the service record to delete |
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560 @capability LocalServices |
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561 @deprecated Use non-leaving version instead |
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562 @see RSdpDatabase::DeleteRecord |
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563 */ |
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564 EXPORT_C void RSdpDatabase::DeleteRecordL(TSdpServRecordHandle aHandle) |
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565 { |
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566 LOG_FUNC |
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567 if (SubSessionHandle()) |
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568 { |
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569 TPckg<TSdpServRecordHandle> handlePckg(aHandle); |
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570 |
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571 User::LeaveIfError(SendReceive(ESdpDatabaseDeleteServiceRecord, TIpcArgs(&handlePckg))); |
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572 } |
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573 else |
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574 { |
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575 //Client has a bad handle therefore panic |
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576 User::Panic(_L("SDP-Subsession"), KErrBadHandle); |
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577 } |
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578 } |
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579 |
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580 /** Deletes a service record. |
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581 |
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582 @param aHandle Handle of the service record to delete |
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583 @capability LocalServices |
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584 */ |
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585 EXPORT_C void RSdpDatabase::DeleteRecord(TSdpServRecordHandle aHandle) |
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586 { |
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587 LOG_FUNC |
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588 if (SubSessionHandle()) |
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589 { |
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590 TPckg<TSdpServRecordHandle> handlePckg(aHandle); |
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591 |
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592 SendReceive(ESdpDatabaseDeleteServiceRecord, TIpcArgs(&handlePckg)); |
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593 } |
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594 else |
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595 { |
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596 //Client has a bad handle therefore panic |
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597 User::Panic(_L("SDP-Subsession"), KErrBadHandle); |
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598 } |
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599 } |
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600 |