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1 // Copyright (c) 2006-2009 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 "ss_apiext_register.h" |
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17 #include <ecom/ecom.h> |
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18 #include <comms-infras/ss_thread.h> |
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19 #include <ss_glob.h> |
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20 #include <comms-infras/ss_api_ext.h> |
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21 |
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22 |
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23 #ifdef _DEBUG |
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24 // Panic category for "absolutely impossible!" vanilla ASSERT()-type panics from this module |
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25 // (if it could happen through user error then you should give it an explicit, documented, category + code) |
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26 _LIT(KSpecAssert_ESockSSockspxtrg, "ESockSSockspxtrg"); |
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27 #endif |
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28 |
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29 using namespace ESock; |
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30 using namespace Messages; |
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31 |
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32 TCommsApiExtTable::TCommsApiExtTable(TInt aExtensionId, const Meta::STypeId& aMsgImplTid) |
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33 : iExtensionId(aExtensionId), |
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34 iMsgImplTid(aMsgImplTid), |
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35 iMsgPluginInfo(NULL) |
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36 { |
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37 } |
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38 |
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39 //static |
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40 void TCommsApiExtTable::DeregisterInterfaceOnCleanup(TAny* aTid) |
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41 { |
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42 Meta::STypeId* tid = static_cast<Meta::STypeId*>(aTid); |
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43 TlsGlobals::Get().DeregisterInterface(tid->iUid); |
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44 } |
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45 |
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46 void TCommsApiExtTable::AddClientL(TSubSessionUniqueId aClientId, CGlobals& aGlobals) |
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47 { |
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48 __ASSERT_DEBUG(iMsgImplTid.iUid.iUid!=0, User::Panic(KSpecAssert_ESockSSockspxtrg, 1)); |
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49 User::LeaveIfError(iClients.FindInOrder(aClientId)!=KErrNotFound? KErrAlreadyExists : KErrNone); |
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50 |
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51 //For the first client we need to register messages |
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52 TBool isFirst = iClients.Count()==0; |
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53 if (isFirst) |
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54 { |
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55 __ASSERT_DEBUG(iMsgPluginInfo==NULL, User::Panic(KSpecAssert_ESockSSockspxtrg, 2)); |
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56 iMsgPluginInfo = CExtItfMsgPluginInfo::NewInstanceL(iMsgImplTid); |
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57 CleanupStack::PushL(iMsgPluginInfo); |
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58 |
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59 aGlobals.RegisterInterfaceL(iMsgImplTid.iUid, iMsgPluginInfo->ImplementationProxyTableSize(), iMsgPluginInfo->ImplementationProxy()); |
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60 CleanupStack::PushL(TCleanupItem(&TCommsApiExtTable::DeregisterInterfaceOnCleanup, (TAny*)&iMsgImplTid)); |
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61 } |
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62 |
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63 iClients.InsertInOrderL(aClientId); |
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64 |
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65 if (isFirst) |
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66 { |
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67 CleanupStack::Pop(); //DeregisterInterfaceOnCleanup |
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68 CleanupStack::Pop(iMsgPluginInfo); |
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69 } |
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70 } |
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71 |
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72 //If aClientId==0 we will remove all interfaces for all clients! |
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73 TBool TCommsApiExtTable::RemoveClient(TSubSessionUniqueId aClientId, CGlobals& aGlobals) |
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74 { |
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75 TInt index = KErrNotFound; |
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76 if (aClientId!=0) |
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77 { |
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78 index = iClients.FindInOrder(aClientId); |
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79 if(index!=KErrNotFound) |
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80 { |
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81 iClients.Remove(index); |
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82 } |
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83 } |
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84 else |
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85 { |
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86 iClients.Reset(); |
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87 } |
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88 |
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89 //If no clients, deregister messages |
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90 if (iClients.Count()==0) |
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91 { |
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92 iClients.Close(); |
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93 aGlobals.DeregisterInterface(iMsgImplTid.iUid); |
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94 delete iMsgPluginInfo; |
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95 iMsgPluginInfo = NULL; |
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96 index = 0; |
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97 } |
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98 |
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99 if (index != KErrNotFound && index < iClients.Count()) |
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100 { |
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101 return iClients[index]; |
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102 } |
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103 |
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104 return EFalse; |
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105 } |
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106 |
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107 |
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108 TCommsApiExtRegister::TCommsApiExtRegister(CGlobals& aGlobals) |
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109 : iGlobals(aGlobals) |
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110 { |
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111 } |
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112 |
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113 TCommsApiExtRegister::~TCommsApiExtRegister() |
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114 { |
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115 //We should not have anything to cleanup here, if we do, some interface hasn't been closed properly |
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116 __ASSERT_DEBUG(iApiExtList.Count()==0, User::Panic(KSpecAssert_ESockSSockspxtrg, 3)); //Panic in debug |
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117 for (TInt i = iApiExtList.Count() - 1; i >= 0; --i) |
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118 { |
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119 TCommsApiExtTable& ref = iApiExtList[i]; |
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120 if (!ref.RemoveClient(0, iGlobals)) |
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121 { |
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122 iApiExtList.Remove(i); |
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123 } |
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124 } |
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125 iApiExtList.Close(); |
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126 } |
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127 |
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128 TInt TCommsApiExtRegister::FindApiExtClientsTable(TInt aExtItfId) |
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129 { |
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130 TCommsApiExtTable entry(aExtItfId, Meta::STypeId::CreateSTypeId()); |
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131 return iApiExtList.FindInUnsignedKeyOrder(entry); |
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132 } |
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133 |
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134 void TCommsApiExtRegister::RegisterInterfaceL(TInt aExtItfId, const Meta::STypeId& aMsgImplTid, TSubSessionUniqueId aClientId) |
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135 { |
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136 TInt index = FindApiExtClientsTable(aExtItfId); |
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137 if (index!=KErrNotFound) |
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138 { |
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139 TCommsApiExtTable& ref = iApiExtList[index]; |
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140 ref.AddClientL(aClientId, iGlobals); |
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141 } |
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142 else |
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143 { |
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144 TCommsApiExtTable entry(aExtItfId, aMsgImplTid); |
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145 entry.AddClientL(aClientId, iGlobals); |
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146 if (iApiExtList.InsertInUnsignedKeyOrder(entry)!=KErrNone) |
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147 { |
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148 entry.RemoveClient(aClientId, iGlobals); |
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149 } |
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150 } |
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151 } |
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152 |
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153 TSubSessionUniqueId TCommsApiExtRegister::FirstClient(TInt aExtItfId) |
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154 { |
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155 TCommsApiExtTable entry(aExtItfId, Meta::STypeId::CreateSTypeId()); |
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156 TInt index = iApiExtList.FindInUnsignedKeyOrder(entry); |
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157 TSubSessionUniqueId firstClient = 0; |
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158 if (index!=KErrNotFound) |
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159 { |
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160 TCommsApiExtTable& ref = iApiExtList[index]; |
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161 __ASSERT_DEBUG(ref.iClients.Count(), User::Panic(KSpecAssert_ESockSSockspxtrg, 4)); //Would not be here otherwise |
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162 firstClient = ref.iClients[0]; |
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163 } |
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164 return firstClient; |
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165 } |
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166 |
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167 //If aClientId==0 we will deregister this itf for all all clients! |
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168 TSubSessionUniqueId TCommsApiExtRegister::DeRegisterInterface(TInt aExtItfId, TSubSessionUniqueId aClientId) |
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169 { |
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170 TCommsApiExtTable entry(aExtItfId, Meta::STypeId::CreateSTypeId()); |
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171 TInt index = iApiExtList.FindInUnsignedKeyOrder(entry); |
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172 TSubSessionUniqueId nextClient = 0; |
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173 if (index!=KErrNotFound) |
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174 { |
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175 TCommsApiExtTable& ref = iApiExtList[index]; |
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176 nextClient = ref.RemoveClient(aClientId, iGlobals); |
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177 if (nextClient==0) |
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178 { |
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179 iApiExtList.Remove(index); |
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180 } |
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181 } |
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182 return nextClient; |
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183 } |
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184 |
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185 |