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1 // Copyright (c) 2010 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 // Server-side representation of a target client, which may have multiple |
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15 // sessions associated with it. |
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16 // |
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17 |
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18 |
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19 #include <e32base.h> |
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20 #include <bluetooth/logger.h> |
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21 |
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22 #include "server.h" |
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23 #include "bearermanager.h" |
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24 #include "remconmessage.h" |
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25 #include "targetsession.h" |
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26 |
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27 #include "targetclientprocess.h" |
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28 |
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29 #ifdef __FLOG_ACTIVE |
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30 _LIT8(KLogComponent, LOG_COMPONENT_REMCON_SERVER); |
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31 #endif |
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32 |
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33 #ifdef _DEBUG |
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34 PANICCATEGORY("tgclient"); |
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35 #endif |
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36 |
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37 TBool TargetSessionCompareUsingSupportedInterface(const TUid* aInterfaceUid, const CRemConTargetSession& aSession) |
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38 { |
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39 return aSession.InterfaceSupported(*aInterfaceUid); |
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40 } |
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41 |
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42 TBool TargetSessionCompareUsingSupportedMessage(const CRemConMessage* aMessage, const CRemConTargetSession& aSession) |
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43 { |
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44 return aSession.SupportedMessage(*aMessage); |
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45 } |
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46 |
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47 CRemConTargetClientProcess* CRemConTargetClientProcess::NewLC(TClientInfo& aClientInfo, TRemConClientId aClientId, CRemConServer& aServer, CBearerManager& aBearerManager) |
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48 { |
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49 LOG_STATIC_FUNC |
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50 |
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51 CRemConTargetClientProcess* result = new (ELeave) CRemConTargetClientProcess(aClientInfo, aClientId, aServer, aBearerManager); |
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52 CleanupStack::PushL(result); |
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53 return result; |
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54 } |
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55 |
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56 CRemConTargetClientProcess::CRemConTargetClientProcess(TClientInfo& aClientInfo, TRemConClientId aClientId, CRemConServer& aServer, CBearerManager& aBearerManager) |
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57 : iClientInfo(aClientInfo), |
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58 iClientId(aClientId), |
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59 iServer(aServer), |
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60 iBearerManager(aBearerManager), |
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61 iPlayerInfoSet(EFalse), |
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62 iTargetSessions(KMaxNumberTargetSessions) |
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63 { |
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64 LOG_FUNC |
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65 } |
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66 |
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67 CRemConTargetClientProcess::~CRemConTargetClientProcess() |
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68 { |
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69 LOG_FUNC |
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70 |
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71 iPlayerName.Close(); |
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72 iTargetSessions.Close(); |
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73 iServer.TargetClientClosed(*this); |
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74 } |
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75 |
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76 CRemConTargetSession* CRemConTargetClientProcess::NewSessionL(TUint aSessionId) |
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77 { |
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78 LOG_FUNC |
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79 CRemConTargetSession* sess = NULL; |
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80 |
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81 // Only create a session if we havent reached our maximum. |
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82 if (TargetSessionCount() < KMaxNumberTargetSessions) |
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83 { |
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84 sess = CRemConTargetSession::NewL(*this, iServer, iBearerManager, aSessionId); |
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85 } |
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86 else |
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87 { |
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88 LEAVEIFERRORL(KErrOverflow); |
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89 } |
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90 |
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91 return sess; |
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92 } |
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93 |
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94 |
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95 TInt CRemConTargetClientProcess::TargetSessionOpened(CRemConTargetSession& aSession) |
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96 { |
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97 LOG_FUNC |
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98 LOG1(_L("\t&aSession = 0x%08x"), &aSession) |
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99 |
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100 // Register the session by appending it to our array and asking the server to |
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101 // make an item for it in the record of which points in the connection history |
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102 // sessions are interested in. |
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103 ASSERT(iTargetSessions.Count() < KMaxNumberTargetSessions); // Should have been caught by now. |
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104 |
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105 // The append should never fail because the RPointerArray was constructed with a granularity of |
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106 // KMaxNumberTargetSessions items. |
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107 #ifdef _DEBUG |
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108 TInt err = iTargetSessions.Append(&aSession); |
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109 ASSERT(err == KErrNone); |
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110 #else |
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111 static_cast<void>(iTargetSessions.Append(&aSession)); |
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112 #endif |
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113 |
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114 TInt ret = iServer.RegisterTargetSessionPointerToConnHistory(aSession); |
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115 |
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116 if ( ret != KErrNone ) |
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117 { |
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118 iTargetSessions.Remove(iTargetSessions.Count() - 1); |
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119 } |
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120 else |
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121 { |
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122 // Session successfully registered. |
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123 iServer.CancelShutdownTimer(); |
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124 } |
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125 |
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126 LOG1(_L("\tret = %d"), ret) |
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127 return ret; |
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128 } |
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129 |
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130 void CRemConTargetClientProcess::TargetSessionClosed(CRemConTargetSession& aSession) |
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131 { |
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132 LOG_FUNC |
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133 LOG1(_L("\t&aSession = 0x%08x"), &aSession) |
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134 |
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135 // Remove session from our list |
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136 TInt sessionIndex = iTargetSessions.Find(&aSession); |
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137 |
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138 if (sessionIndex > KErrNotFound) |
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139 { |
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140 iTargetSessions.Remove(sessionIndex); |
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141 |
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142 // Inform server that session has dropped. |
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143 iServer.TargetSessionClosed(*this, aSession); |
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144 |
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145 if (iTargetSessions.Count() > 0) |
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146 { |
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147 iServer.TargetFeaturesUpdated(*this); |
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148 } |
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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 void CRemConTargetClientProcess::SetPlayerInformationL(const TPlayerTypeInformation& aPlayerType, const TDesC8& aPlayerName) |
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154 { |
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155 LOG_FUNC |
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156 ASSERT_DEBUG(!HasPlayerInformation()); |
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157 |
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158 if (!HasPlayerInformation()) |
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159 { |
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160 iPlayerName.CreateL(aPlayerName); |
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161 iPlayerType = aPlayerType; |
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162 iPlayerInfoSet = ETrue; |
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163 } |
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164 } |
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165 |
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166 void CRemConTargetClientProcess::InterfacesRegistered() |
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167 { |
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168 LOG_FUNC |
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169 |
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170 // If this client has not been made available yet, do so now. |
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171 // Otherwise, notify the server that new interfaces have been registered. |
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172 if (!iClientAvailable) |
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173 { |
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174 iServer.TargetClientAvailable(*this); |
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175 iClientAvailable = ETrue; |
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176 } |
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177 else |
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178 { |
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179 iServer.TargetFeaturesUpdated(*this); |
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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 TBool CRemConTargetClientProcess::IsInterfaceTypeRegisteredByAnotherSession(CRemConTargetSession& aSession, TUid aInterfaceUid) const |
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185 { |
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186 LOG_FUNC |
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187 |
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188 TUint sessionCount = iTargetSessions.Count(); |
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189 for (TUint i=0; i < sessionCount; ++i) |
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190 { |
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191 if (aSession.Id() != iTargetSessions[i]->Id()) |
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192 { |
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193 if (iTargetSessions[i]->InterfaceSupported(aInterfaceUid)) |
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194 { |
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195 return ETrue; |
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196 } |
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197 } |
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198 } |
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199 |
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200 return EFalse; |
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201 } |
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202 |
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203 TInt CRemConTargetClientProcess::ReceiveMessage(CRemConMessage& aMessage) |
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204 { |
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205 LOG_FUNC |
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206 |
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207 // Find the session supporting this message |
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208 CRemConTargetSession* sess = FindSessionForMessage(aMessage); |
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209 |
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210 if (sess) |
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211 { |
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212 // Session found. Check session is able to handle this message. |
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213 if (sess->CurrentReceiveMessage().Handle()) |
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214 { |
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215 // Pass message to session and return the error code obtained. |
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216 return sess->WriteMessageToClient(aMessage); |
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217 } |
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218 else |
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219 { |
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220 // Session not able to handle message at this time. |
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221 return KErrNotReady; |
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222 } |
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223 } |
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224 else |
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225 { |
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226 // No session supports this message |
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227 return KErrArgument; |
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228 } |
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229 } |
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230 |
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231 void CRemConTargetClientProcess::ConnectionsChanged() |
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232 { |
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233 LOG_FUNC |
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234 |
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235 // Notify each session |
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236 TUint sessionCount = iTargetSessions.Count(); |
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237 for (TUint i = 0; i < sessionCount; ++i) |
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238 { |
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239 iTargetSessions[i]->ConnectionsChanged(); |
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240 } |
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241 } |
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242 |
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243 TInt CRemConTargetClientProcess::SupportedInterfaces(RArray<TUid>& aUids) |
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244 { |
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245 LOG_FUNC |
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246 |
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247 TInt err = KErrNone; |
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248 aUids.Reset(); |
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249 |
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250 // Gather the list of supported interfaces from each session. |
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251 TUint sessionCount = iTargetSessions.Count(); |
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252 for (TUint i = 0 ; i < sessionCount && err == KErrNone; ++i) |
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253 { |
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254 err = iTargetSessions[i]->AppendSupportedInterfaces(aUids); |
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255 } |
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256 |
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257 return err; |
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258 } |
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259 |
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260 TInt CRemConTargetClientProcess::SupportedBulkInterfaces(RArray<TUid>& aUids) |
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261 { |
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262 LOG_FUNC |
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263 |
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264 TInt err = KErrNone; |
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265 aUids.Reset(); |
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266 |
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267 // Gather the list of supported bulk interfaces from each session. |
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268 TUint sessionCount = iTargetSessions.Count(); |
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269 for (TUint i = 0 ; i < sessionCount && err == KErrNone; ++i) |
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270 { |
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271 err = iTargetSessions[i]->AppendSupportedBulkInterfaces(aUids); |
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272 } |
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273 |
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274 return err; |
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275 } |
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276 |
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277 TInt CRemConTargetClientProcess::SupportedOperations(TUid aInterfaceUid, RArray<TUint>& aOperations) |
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278 { |
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279 LOG_FUNC |
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280 |
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281 // Find the session supporting this interface. |
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282 TInt sessIndex = FindSessionForInterface(aInterfaceUid); |
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283 |
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284 if (sessIndex >= KErrNone) |
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285 { |
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286 return iTargetSessions[sessIndex]->SupportedOperations(aInterfaceUid, aOperations); |
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287 } |
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288 else |
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289 { |
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290 // Interface not found, so operation not supported. |
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291 return KErrNotSupported; |
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292 } |
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293 } |
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294 |
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295 CRemConTargetSession* CRemConTargetClientProcess::FindSessionForMessage(const CRemConMessage& aMessage) |
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296 { |
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297 LOG_FUNC |
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298 |
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299 TInt result = iTargetSessions.Find(aMessage, TargetSessionCompareUsingSupportedMessage); |
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300 if (result >= KErrNone) |
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301 { |
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302 return iTargetSessions[result]; |
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303 } |
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304 else |
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305 { |
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306 return NULL; |
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307 } |
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308 |
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309 } |
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310 |
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311 TInt CRemConTargetClientProcess::FindSessionForInterface(TUid aInterfaceUid) const |
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312 { |
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313 LOG_FUNC |
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314 |
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315 return iTargetSessions.Find(aInterfaceUid, TargetSessionCompareUsingSupportedInterface); |
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316 } |
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317 |
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318 void CRemConTargetClientProcess::CompleteMessageForSession(const CRemConMessage& aMessage, CRemConTargetSession& aSession) |
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319 { |
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320 LOG_FUNC |
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321 |
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322 // Targets can only send responses or rejects. |
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323 switch (aMessage.MsgType()) |
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324 { |
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325 case ERemConResponse: |
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326 case ERemConReject: |
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327 aSession.CompleteSend(); |
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328 break; |
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329 default: |
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330 ASSERT_DEBUG(EFalse); |
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331 break; |
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332 } |
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333 |
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334 } |
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335 |
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336 void CRemConTargetClientProcess::MrcmsoMessageSendResult(const CRemConMessage& /*aMessage*/, TInt /*aError*/) |
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337 { |
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338 LOG_FUNC |
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339 |
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340 // This method should never be called, as it is not required to support target client processes. |
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341 ASSERT_DEBUG(EFalse); |
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342 } |
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343 |
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344 void CRemConTargetClientProcess::MrcmsoMessageSendOneOrMoreAttempt(const CRemConMessage& aMessage, TUint aNumRemotes) |
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345 { |
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346 LOG_FUNC |
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347 |
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348 // Notifications should not be received for reject messages, as the client did not request these be sent. |
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349 ASSERT_DEBUG(aMessage.MsgType() != ERemConReject); |
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350 |
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351 // Find session and notify |
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352 CRemConTargetSession* sess = FindSessionForMessage(aMessage); |
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353 ASSERT_DEBUG(sess); |
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354 |
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355 // Session should not already be sending a message to n remotes |
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356 ASSERT_DEBUG(sess->NumRemotesToTry() == 0); |
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357 |
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358 sess->NumRemotes() = 0; |
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359 sess->NumRemotesToTry() = aNumRemotes; |
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360 sess->SendError() = KErrNone; |
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361 } |
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362 |
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363 void CRemConTargetClientProcess::MrcmsoMessageSendOneOrMoreIncremental(const CRemConMessage& aMessage, TUint aNumRemotes) |
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364 { |
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365 LOG_FUNC |
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366 |
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367 // Notifications should not be received for reject messages, as the client did not request these be sent. |
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368 ASSERT_DEBUG(aMessage.MsgType() != ERemConReject); |
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369 |
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370 // Find session and notify |
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371 CRemConTargetSession* sess = FindSessionForMessage(aMessage); |
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372 ASSERT_DEBUG(sess); |
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373 |
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374 if (sess->NumRemotesToTry() == 0) |
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375 { |
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376 MrcmsoMessageSendOneOrMoreAttempt(aMessage,aNumRemotes); |
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377 } |
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378 else |
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379 { |
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380 // No send should have yet been attempted |
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381 ASSERT_DEBUG(sess->NumRemotes() == 0); |
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382 |
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383 sess->NumRemotesToTry() += aNumRemotes; |
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384 } |
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385 } |
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386 |
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387 void CRemConTargetClientProcess::MrcmsoMessageSendOneOrMoreAttemptFailed(const CRemConMessage& aMessage, TInt aError) |
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388 { |
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389 LOG_FUNC |
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390 |
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391 // Notifications should not be received for reject messages, as the client did not request these be sent. |
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392 ASSERT_DEBUG(aMessage.MsgType() != ERemConReject); |
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393 |
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394 // Find session and notify |
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395 CRemConTargetSession* sess = FindSessionForMessage(aMessage); |
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396 ASSERT_DEBUG(sess); |
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397 |
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398 // Session should not already be sending a message to n remotes |
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399 ASSERT_DEBUG(sess->NumRemotesToTry() == 0); |
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400 |
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401 sess->NumRemotes() = 0; |
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402 sess->SendError() = aError; |
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403 CompleteMessageForSession(aMessage, *sess); |
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404 } |
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405 |
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406 void CRemConTargetClientProcess::MrcmsoMessageSendOneOrMoreResult(const CRemConMessage& aMessage, TInt aError) |
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407 { |
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408 LOG_FUNC |
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409 |
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410 // Notifications should not be received for reject messages, as the client did not request these be sent. |
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411 ASSERT_DEBUG(aMessage.MsgType() != ERemConReject); |
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412 |
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413 // Find session and notify |
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414 CRemConTargetSession* sess = FindSessionForMessage(aMessage); |
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415 ASSERT_DEBUG(sess); |
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416 |
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417 // Ignore notification if client has been completed |
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418 if (sess->NumRemotesToTry() > 0) |
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419 { |
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420 // Only set error if different from KErrNone |
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421 if (aError == KErrNone) |
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422 { |
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423 ++sess->NumRemotes(); |
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424 } |
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425 else |
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426 { |
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427 sess->SendError() = aError; |
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428 } |
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429 |
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430 --sess->NumRemotesToTry(); |
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431 if (sess->NumRemotesToTry() == 0) |
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432 { |
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433 CompleteMessageForSession(aMessage, *sess); |
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434 } |
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435 } |
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436 } |
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437 |
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438 void CRemConTargetClientProcess::MrcmsoMessageSendOneOrMoreAbandoned(const CRemConMessage& aMessage) |
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439 { |
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440 LOG_FUNC |
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441 |
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442 // Notifications should not be received for reject messages, as the client did not request these be sent. |
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443 ASSERT_DEBUG(aMessage.MsgType() != ERemConReject); |
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444 |
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445 // Find session and notify |
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446 CRemConTargetSession* sess = FindSessionForMessage(aMessage); |
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447 ASSERT_DEBUG(sess); |
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448 |
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449 // Ignore notification if client has been completed |
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450 if (sess->NumRemotesToTry() > 0) |
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451 { |
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452 // Do not adjust NumRemotes() as the message was not sent (but we still don't error the client!) |
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453 --sess->NumRemotesToTry(); |
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454 if (sess->NumRemotesToTry() == 0) |
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455 { |
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456 CompleteMessageForSession(aMessage, *sess); |
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457 } |
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458 } |
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459 } |