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1 /* |
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2 * Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Implementation of the class RMcnSubSession. |
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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 // INCLUDE FILES |
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20 #include "CbsServerConstants.h" |
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21 #include "CbsMcnPanic.h" |
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22 #include "RCbsMcnSession.h" |
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23 #include "RMcnSubSession.h" |
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24 #include "CCbsMcnListener.h" |
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25 #include "CMcnTopicArray.h" |
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26 #include "CbsLogger.h" |
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27 |
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28 // ================= MEMBER FUNCTIONS ======================= |
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29 |
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30 // ----------------------------------------------------------------------------- |
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31 // RMcnSubSession::RMcnSubSession |
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32 // C++ default constructor can NOT contain any code, that |
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33 // might leave. |
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34 // ----------------------------------------------------------------------------- |
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35 // |
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36 RMcnSubSession::RMcnSubSession() |
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37 : iConnected( EFalse ) |
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38 { //lint !e1928 |
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39 } |
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40 |
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41 // Destructor |
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42 RMcnSubSession::~RMcnSubSession() |
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43 { |
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44 Close(); |
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45 } |
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46 |
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47 // ----------------------------------------------------------------------------- |
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48 // RMcnSubSession::Open |
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49 // Creates a MCN subsession to CbsServer. |
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50 // (other items were commented in a header). |
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51 // ----------------------------------------------------------------------------- |
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52 // |
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53 TInt RMcnSubSession::Open( |
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54 RCbsMcnSession& aMcnSession ) |
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55 { |
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56 CBSLOGSTRING("CBSMCNCLIENT: >>> RMcnSubSession::Open()"); |
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57 |
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58 if ( !iConnected ) |
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59 { |
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60 const TIpcArgs args( TIpcArgs::ENothing ); |
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61 TInt result( CreateSubSession( aMcnSession, EMcnCreateSubsession, args ) ); |
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62 |
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63 if ( result == KErrNone ) |
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64 { |
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65 CBSLOGSTRING2("CBSMCNCLIENT: RMcnSubSession::Open(): Subsession created, result: %d", result ); |
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66 iConnected = ETrue; |
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67 } |
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68 else |
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69 { |
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70 iConnected = EFalse; |
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71 } |
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72 CBSLOGSTRING2("CBSMCNCLIENT: RMcnSubSession::Open(), returning %d.", result ); |
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73 return result; |
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74 } |
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75 CBSLOGSTRING("CBSMCNCLIENT: <<< RMcnSubSession::Open(), returning KErrGeneral."); |
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76 return KErrGeneral; |
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77 } |
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78 |
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79 // ----------------------------------------------------------------------------- |
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80 // RMcnSubSession::Close |
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81 // Closes the subsession. |
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82 // (other items were commented in a header). |
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83 // ----------------------------------------------------------------------------- |
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84 // |
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85 TInt RMcnSubSession::Close() |
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86 { |
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87 CBSLOGSTRING("CBSMCNCLIENT: >>> RMcnSubSession::Close()"); |
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88 |
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89 if ( iConnected ) |
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90 { |
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91 RSubSessionBase::CloseSubSession( EMcnCloseSubsession ); |
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92 iConnected = EFalse; |
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93 } |
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94 CBSLOGSTRING("CBSMCNCLIENT: <<< RMcnSubSession::Close()"); |
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95 return KErrNone; |
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96 } |
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97 |
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98 // ----------------------------------------------------------------------------- |
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99 // RMcnSubSession::ReadMcnMessage |
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100 // Request next subscribed MCN message to be delivered to this session. |
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101 // (other items were commented in a header). |
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102 // ----------------------------------------------------------------------------- |
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103 // |
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104 void RMcnSubSession::ReadMcnMessage( |
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105 TRequestStatus& aStatus, |
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106 TPckg<TCbsMcnMessage>& aMcnPckg ) |
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107 { |
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108 __ASSERT_DEBUG( iConnected, CbsMcnPanic( EMcnNotConnected ) ); |
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109 const TIpcArgs args( &aMcnPckg ); |
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110 |
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111 SendReceive( EMcnNotifyOnChange, args, aStatus ); // asynchronous |
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112 } |
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113 |
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114 // ----------------------------------------------------------------------------- |
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115 // RMcnSubSession::ReadMcnMessageCancel |
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116 // Cancels an outstanding request. |
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117 // (other items were commented in a header). |
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118 // ----------------------------------------------------------------------------- |
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119 // |
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120 TInt RMcnSubSession::ReadMcnMessageCancel() |
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121 { |
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122 __ASSERT_DEBUG( iConnected, CbsMcnPanic( EMcnNotConnected ) ); |
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123 const TIpcArgs args( TIpcArgs::ENothing ); |
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124 return SendReceive( EMcnNotifyOnChangeCancel, args ); |
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125 } |
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126 |
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127 // ----------------------------------------------------------------------------- |
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128 // RMcnSubSession::RegisterL |
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129 // Subscribes topics given in aArray. |
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130 // (other items were commented in a header). |
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131 // ----------------------------------------------------------------------------- |
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132 // |
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133 void RMcnSubSession::RegisterL( |
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134 const CMcnTopicArray& aArray ) |
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135 { |
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136 CBSLOGSTRING("CBSMCNCLIENT: >>> RMcnSubSession::RegisterL()"); |
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137 |
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138 __ASSERT_DEBUG( iConnected, CbsMcnPanic( EMcnNotConnected ) ); |
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139 // Store topic numbers into a descriptor. |
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140 TUint entries( 0 ); |
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141 aArray.EnumerateEntries( entries ); |
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142 TUint number( 0 ); |
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143 |
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144 // Request registration, pass topic numbers one at time to server-side. |
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145 |
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146 for( TUint i = 0; i < entries; i++ ) |
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147 { |
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148 aArray.GetTopicNumber( i, number ); |
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149 const TIpcArgs args( number ); |
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150 |
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151 CBSLOGSTRING2("CBSMCNCLIENT: RMcnSubSession::RegisterL(): Passing topic number to server: %d", number ); |
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152 User::LeaveIfError( SendReceive( EMcnSubscribeTopic, args ) ); |
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153 CBSLOGSTRING("CBSMCNCLIENT: RMcnSubSession::RegisterL(): Topic number passed to server OK." ); |
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154 } |
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155 |
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156 // Tell the server this was enough. |
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157 const TIpcArgs args2( TIpcArgs::ENothing ); |
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158 User::LeaveIfError( SendReceive( EMcnNoMoreSubscriptions, args2 ) ); |
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159 |
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160 CBSLOGSTRING("CBSMCNCLIENT: <<< RMcnSubSession::RegisterL()"); |
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161 } |
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162 |
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163 // ----------------------------------------------------------------------------- |
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164 // RMcnSubSession::ClearSubscriptionsL |
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165 // Clears topic subscriptions of this session in CbsServer |
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166 // (other items were commented in a header). |
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167 // ----------------------------------------------------------------------------- |
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168 // |
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169 void RMcnSubSession::ClearSubscriptionsL() |
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170 { |
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171 CBSLOGSTRING("CBSMCNCLIENT: >>> RMcnSubSession::ClearSubscriptionsL()"); |
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172 |
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173 __ASSERT_DEBUG( iConnected, CbsMcnPanic( EMcnNotConnected ) ); |
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174 const TIpcArgs args( TIpcArgs::ENothing ); |
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175 User::LeaveIfError( SendReceive( EMcnClearSubscriptions, args ) ); |
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176 |
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177 CBSLOGSTRING("CBSMCNCLIENT: <<< RMcnSubSession::ClearSubscriptionsL(), cleared OK."); |
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178 } |
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179 |
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180 // End of File |