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1 // server.cpp |
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2 // |
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3 // Copyright (c) 2009 - 2010 Accenture. 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 the "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 // Accenture - Initial contribution |
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11 // |
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12 |
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13 #include <consoleproxy.h> |
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14 #include "server.h" |
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15 |
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16 _LIT(KPronxyConsolePanic, "proxyconsole"); |
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17 |
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18 void Panic(TConsoleProxyPanic aReason) |
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19 { |
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20 User::Panic(KPronxyConsolePanic, aReason); |
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21 } |
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22 |
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23 |
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24 void ServerThreadL(TServerParams* aParams) |
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25 { |
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26 CActiveScheduler* as = new(ELeave)CActiveScheduler; |
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27 CleanupStack::PushL(as); |
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28 CActiveScheduler::Install(as); |
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29 |
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30 CConsoleProxyServer* server = (aParams->iServerNewL)(aParams->iServerParams); |
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31 CleanupStack::PushL(server); |
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32 |
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33 aParams->iServer = server->Server(); |
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34 RThread::Rendezvous(KErrNone); |
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35 |
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36 CActiveScheduler::Start(); |
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37 |
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38 CleanupStack::PopAndDestroy(2, as); |
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39 } |
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40 |
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41 |
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42 TInt ServerThreadFunction(TAny* aArgs) |
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43 { |
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44 __UHEAP_MARK; |
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45 User::SetCritical(User::ENotCritical); |
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46 |
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47 TServerParams* params = (TServerParams*)aArgs; |
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48 |
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49 CTrapCleanup* cleanup = CTrapCleanup::New(); |
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50 if (!cleanup) |
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51 { |
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52 return KErrNoMemory; |
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53 } |
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54 |
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55 TRAPD(err, ServerThreadL(params)); |
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56 |
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57 delete cleanup; |
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58 __UHEAP_MARKEND; |
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59 return err; |
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60 } |
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61 |
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62 //______________________________________________________________________________ |
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63 // CConsoleProxyServer |
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64 CConsoleProxyServer* CConsoleProxyServer::NewL(TAny* aParams) |
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65 { |
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66 TConsoleProxyServerNewLParams* params = (TConsoleProxyServerNewLParams*)aParams; |
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67 return NewL(params->iName, params->iAoPriority, params->iConsoleCreate); |
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68 } |
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69 |
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70 EXPORT_C CConsoleProxyServer* CConsoleProxyServer::NewL(const TDesC& aName, TInt aAoPriority, TConsoleCreateFunction aConsoleCreate) |
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71 { |
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72 CConsoleProxyServer* self = new(ELeave)CConsoleProxyServer(aConsoleCreate, aAoPriority); |
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73 CleanupStack::PushL(self); |
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74 self->ConstructL(aName); |
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75 CleanupStack::Pop(self); |
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76 return self; |
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77 } |
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78 |
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79 EXPORT_C void CConsoleProxyServer::ConstructL(const TDesC& aName) |
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80 { |
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81 StartL(aName); |
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82 iShutdownTimer = CShutdownTimer::NewL(*this); |
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83 iShutdownTimer->Start(); |
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84 } |
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85 |
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86 EXPORT_C CConsoleProxyServer::CConsoleProxyServer(TConsoleCreateFunction aConsoleCreate, TInt aAoPriority) |
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87 : CServer2(aAoPriority, CServer2::ESharableSessions) |
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88 , iConsoleCreate(aConsoleCreate) |
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89 { |
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90 } |
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91 |
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92 EXPORT_C CConsoleProxyServer::~CConsoleProxyServer() |
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93 { |
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94 delete iShutdownTimer; |
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95 iShutdownTimer = NULL; // Can be referenced by session destructors which run after this, as part of ~CServer2, which will call ~CConsoleProxySession which can call DropSession... |
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96 } |
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97 |
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98 EXPORT_C void CConsoleProxyServer::ShutdownTimerExpired() |
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99 { |
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100 CActiveScheduler::Stop(); |
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101 } |
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102 |
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103 EXPORT_C CSession2* CConsoleProxyServer::NewSessionL(const TVersion&,const RMessage2&) const |
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104 { |
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105 return new(ELeave)CConsoleProxySession(iConsoleCreate); |
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106 } |
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107 |
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108 void CConsoleProxyServer::AddSession() |
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109 { |
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110 iShutdownTimer->Cancel(); |
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111 ++iSessionCount; |
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112 } |
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113 |
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114 void CConsoleProxyServer::DropSession() |
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115 { |
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116 --iSessionCount; |
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117 if ((iSessionCount==0) && iShutdownTimer && (!iShutdownTimer->IsActive())) |
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118 { |
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119 iShutdownTimer->Start(); |
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120 } |
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121 } |
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122 |
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123 //______________________________________________________________________________ |
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124 // CConsoleProxySession |
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125 EXPORT_C CConsoleProxySession::CConsoleProxySession(TConsoleCreateFunction aConsoleCreate) |
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126 : iConsoleCreate(aConsoleCreate) |
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127 { |
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128 } |
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129 |
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130 EXPORT_C CConsoleProxySession::CConsoleProxySession(MProxiedConsole* aConsole) |
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131 : iConsole(aConsole) |
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132 { |
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133 iConsole->Open(); |
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134 } |
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135 |
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136 EXPORT_C CConsoleProxySession::~CConsoleProxySession() |
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137 { |
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138 Server()->DropSession(); |
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139 if (!iReadMessage.IsNull()) |
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140 { |
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141 iReadMessage.Complete(KErrDisconnected); |
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142 if (iConsole) iConsole->ReadCancel(); |
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143 } |
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144 if (iConsole) iConsole->Close(); |
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145 } |
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146 |
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147 EXPORT_C void CConsoleProxySession::CreateL() |
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148 { |
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149 Server()->AddSession(); |
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150 } |
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151 |
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152 EXPORT_C void CConsoleProxySession::ServiceL(const RMessage2& aMessage) |
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153 { |
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154 if (!iConsole && (aMessage.Function() != RConsoleProxy::ECreate)) |
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155 { |
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156 User::Leave(KErrNotReady); |
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157 } |
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158 RBuf buf; |
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159 CleanupClosePushL(buf); |
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160 TBool complete = ETrue; |
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161 switch (aMessage.Function()) |
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162 { |
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163 case RConsoleProxy::ECreate: |
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164 CreateL(aMessage); |
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165 break; |
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166 case RConsoleProxy::ERead: |
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167 if (!iReadMessage.IsNull()) User::Leave(KErrAlreadyExists); |
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168 iReadType = EReadBasic; |
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169 iReadMessage = aMessage; |
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170 iConsole->Read(*this); |
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171 complete = EFalse; |
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172 break; |
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173 case RConsoleProxy::EReadKey: |
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174 if (!iReadMessage.IsNull()) User::Leave(KErrAlreadyExists); |
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175 iReadType = EReadKeys; |
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176 iReadMessage = aMessage; |
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177 iConsole->Read(*this); |
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178 complete = EFalse; |
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179 break; |
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180 case RConsoleProxy::EReadCancel: |
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181 if (!iReadMessage.IsNull()) |
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182 { |
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183 iReadMessage.Complete(KErrCancel); |
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184 iConsole->ReadCancel(); |
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185 } |
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186 break; |
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187 case RConsoleProxy::EWrite: |
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188 buf.CreateL(aMessage.GetDesLengthL(0)); |
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189 aMessage.ReadL(0, buf); |
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190 iConsole->Console()->Write(buf); |
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191 break; |
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192 case RConsoleProxy::EGetCursorPos: |
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193 { |
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194 TPckgBuf<TPoint> pos; |
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195 pos() = iConsole->Console()->CursorPos(); |
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196 aMessage.WriteL(0, pos); |
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197 break; |
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198 } |
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199 case RConsoleProxy::ESetCursorPosAbs: |
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200 { |
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201 TPoint pos(aMessage.Int0(), aMessage.Int1()); |
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202 iConsole->Console()->SetCursorPosAbs(pos); |
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203 break; |
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204 } |
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205 case RConsoleProxy::ESetCursorPosRel: |
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206 { |
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207 TPoint pos(aMessage.Int0(), aMessage.Int1()); |
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208 iConsole->Console()->SetCursorPosRel(pos); |
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209 break; |
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210 } |
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211 case RConsoleProxy::ESetCursorHeight: |
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212 iConsole->Console()->SetCursorHeight(aMessage.Int0()); |
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213 break; |
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214 case RConsoleProxy::ESetTitle: |
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215 buf.CreateL(aMessage.GetDesLengthL(0)); |
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216 aMessage.ReadL(0, buf); |
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217 iConsole->Console()->SetTitle(buf); |
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218 break; |
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219 case RConsoleProxy::EClearScreen: |
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220 iConsole->Console()->ClearScreen(); |
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221 break; |
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222 case RConsoleProxy::EClearToEndOfLine: |
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223 iConsole->Console()->ClearToEndOfLine(); |
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224 break; |
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225 case RConsoleProxy::EGetScreenSize: |
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226 { |
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227 TPckgBuf<TSize> size; |
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228 if (aMessage.GetDesLengthL(0)!=size.Length()) User::Leave(KErrArgument); |
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229 size() = iConsole->Console()->ScreenSize(); |
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230 aMessage.WriteL(0, size); |
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231 break; |
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232 } |
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233 case RConsoleProxy::EGetKeyCode: |
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234 { |
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235 TPckg<TKeyCode> kc(iKeyCode); |
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236 if (aMessage.GetDesLengthL(0)!=kc.Length()) User::Leave(KErrArgument); |
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237 aMessage.WriteL(0, kc); |
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238 break; |
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239 } |
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240 case RConsoleProxy::EGetKeyModifiers: |
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241 { |
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242 TPckg<TUint> mod(iKeyModifiers); |
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243 if (aMessage.GetDesLengthL(0)!=mod.Length()) User::Leave(KErrArgument); |
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244 aMessage.WriteL(0, mod); |
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245 break; |
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246 } |
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247 case RConsoleProxy::ESetAttributes: |
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248 { |
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249 if (!iConsole) User::Leave(KErrNotReady); |
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250 ConsoleAttributes::TAttributes attributes((TUint)aMessage.Int0(), (ConsoleAttributes::TColor)aMessage.Int1(), (ConsoleAttributes::TColor)aMessage.Int2()); |
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251 TInt err = ConsoleAttributes::Set(iConsole->Console(), attributes); |
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252 aMessage.Complete(err); |
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253 complete = EFalse; |
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254 break; |
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255 } |
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256 case RConsoleProxy::EIsConstructed: |
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257 { |
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258 if (aMessage.GetDesLengthL(0)!=sizeof(TBool)) User::Leave(KErrArgument); |
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259 if (!iConsole) User::Leave(KErrNotReady); |
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260 if (!LazyConsole::IsLazy(iConsole->Console())) User::Leave(KErrExtensionNotSupported); |
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261 TPckgBuf<TBool> constructed = LazyConsole::IsConstructed(iConsole->Console()); |
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262 aMessage.WriteL(0, constructed); |
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263 complete = ETrue; |
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264 break; |
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265 } |
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266 default: |
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267 aMessage.Complete(KErrNotSupported); |
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268 } |
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269 CleanupStack::PopAndDestroy(&buf); |
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270 if (complete) |
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271 { |
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272 aMessage.Complete(KErrNone); |
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273 } |
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274 } |
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275 |
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276 EXPORT_C void CConsoleProxySession::ReadComplete(TInt aStatus) |
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277 { |
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278 iKeyCode = iConsole->Console()->KeyCode(); |
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279 iKeyModifiers = iConsole->Console()->KeyModifiers(); |
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280 if (!iReadMessage.IsNull()) |
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281 { |
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282 TInt err = aStatus; |
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283 if (iReadType == EReadKeys) |
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284 { |
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285 if (err == KErrNone) |
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286 { |
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287 err = iReadMessage.Write(0, TPckg<TKeyCode>(iKeyCode)); |
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288 } |
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289 if (err == KErrNone) |
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290 { |
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291 err = iReadMessage.Write(1, TPckg<TUint>(iKeyModifiers)); |
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292 } |
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293 } |
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294 |
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295 iReadMessage.Complete(err); |
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296 } |
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297 } |
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298 |
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299 EXPORT_C void CConsoleProxySession::DoCreateL(const TDesC& aTitle, const TSize& aSize) |
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300 { |
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301 __ASSERT_ALWAYS(!iConsole, Panic(EConsoleAlreadyCreated)); |
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302 MProxiedConsole* cons = InstantiateConsoleL(); |
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303 __ASSERT_ALWAYS(cons, Panic(ENoConsoleInstatiated)); |
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304 CleanupClosePushL(*cons); |
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305 TName procName = RProcess().Name(); // econseik sets the process name to the console title... |
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306 TInt err = cons->Console()->Create(aTitle, aSize); |
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307 User::RenameProcess(procName.Left(procName.Locate('['))); // ...so restore it just in case |
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308 User::LeaveIfError(err); |
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309 |
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310 ConsoleCreatedL(cons); |
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311 |
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312 iConsole = cons; |
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313 CleanupStack::Pop(cons); |
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314 } |
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315 |
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316 EXPORT_C void CConsoleProxySession::ConsoleCreatedL(MProxiedConsole*) |
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317 { |
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318 } |
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319 |
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320 void CConsoleProxySession::CreateL(const RMessage2& aMessage) |
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321 { |
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322 if (iConsole) User::Leave(KErrAlreadyExists); |
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323 RBuf title; |
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324 title.CreateL(aMessage.GetDesLengthL(0)); |
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325 CleanupClosePushL(title); |
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326 aMessage.ReadL(0, title); |
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327 |
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328 TSize size(aMessage.Int1(), aMessage.Int2()); |
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329 |
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330 DoCreateL(title, size); |
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331 |
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332 CleanupStack::PopAndDestroy(&title); |
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333 } |
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334 |
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335 EXPORT_C MProxiedConsole* CConsoleProxySession::InstantiateConsoleL() |
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336 { |
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337 return CConsoleWrapper::NewL(iConsoleCreate); |
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338 } |
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339 |
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340 |
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341 //______________________________________________________________________________ |
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342 // MProxiedConsole |
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343 EXPORT_C MProxiedConsole* MProxiedConsole::DefaultL(CConsoleBase* aConsole) |
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344 { |
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345 return CConsoleWrapper::NewL(aConsole); |
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346 } |
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347 //______________________________________________________________________________ |
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348 // CConsoleWrapper |
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349 CConsoleWrapper* CConsoleWrapper::NewL(TConsoleCreateFunction aConsoleCreate) |
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350 { |
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351 CConsoleWrapper* self = new(ELeave)CConsoleWrapper; |
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352 CleanupStack::PushL(self); |
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353 self->ConstructL(aConsoleCreate); |
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354 CleanupStack::Pop(self); |
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355 return self; |
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356 } |
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357 |
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358 CConsoleWrapper* CConsoleWrapper::NewL(CConsoleBase* aConsole) |
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359 { |
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360 CConsoleWrapper* self = new(ELeave)CConsoleWrapper; |
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361 self->iConsole = aConsole; |
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362 return self; |
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363 } |
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364 |
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365 CConsoleWrapper::~CConsoleWrapper() |
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366 { |
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367 Cancel(); |
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368 delete iConsole; |
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369 } |
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370 |
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371 void CConsoleWrapper::Open() |
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372 { |
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373 ++iRefCount; |
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374 } |
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375 |
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376 void CConsoleWrapper::Close() |
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377 { |
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378 --iRefCount; |
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379 if (!iRefCount) |
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380 { |
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381 delete this; |
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382 } |
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383 } |
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384 |
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385 CConsoleBase* CConsoleWrapper::Console() |
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386 { |
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387 return iConsole; |
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388 } |
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389 |
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390 void CConsoleWrapper::Read(CConsoleProxySession& aSession) |
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391 { |
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392 if (!IsActive()) |
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393 { |
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394 iReader = &aSession; |
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395 iConsole->Read(iStatus); |
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396 SetActive(); |
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397 } |
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398 } |
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399 |
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400 void CConsoleWrapper::ReadCancel() |
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401 { |
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402 Cancel(); |
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403 iReader = NULL; |
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404 } |
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405 |
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406 void CConsoleWrapper::RunL() |
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407 { |
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408 iReader->ReadComplete(iStatus.Int()); |
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409 } |
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410 |
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411 void CConsoleWrapper::DoCancel() |
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412 { |
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413 iConsole->ReadCancel(); |
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414 } |
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415 |
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416 void CConsoleWrapper::ConstructL(TConsoleCreateFunction aConsoleCreate) |
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417 { |
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418 iConsole = aConsoleCreate(); |
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419 User::LeaveIfNull(iConsole); |
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420 } |
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421 |
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422 CConsoleWrapper::CConsoleWrapper() |
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423 : CActive(CActive::EPriorityStandard) |
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424 , iRefCount(1) |
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425 { |
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426 CActiveScheduler::Add(this); |
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427 } |
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428 |
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429 |
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430 //______________________________________________________________________________ |
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431 // CShutdownTimer |
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432 CShutdownTimer* CShutdownTimer::NewL(CConsoleProxyServer& aServer) |
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433 { |
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434 CShutdownTimer* self = new(ELeave)CShutdownTimer(aServer); |
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435 CleanupStack::PushL(self); |
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436 self->ConstructL(); |
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437 CleanupStack::Pop(self); |
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438 return self; |
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439 } |
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440 |
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441 CShutdownTimer::CShutdownTimer(CConsoleProxyServer& aServer) |
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442 : CTimer(CActive::EPriorityLow), iServer(aServer) |
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443 { |
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444 CActiveScheduler::Add(this); |
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445 } |
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446 |
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447 void CShutdownTimer::Start() |
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448 { |
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449 After(KServerShutdownTimer); |
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450 } |
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451 |
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452 void CShutdownTimer::RunL() |
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453 { |
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454 iServer.ShutdownTimerExpired(); |
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455 } |
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456 |