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1 /* |
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2 * Copyright (c) 2005-2009 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: |
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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 |
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20 #include <e32debug.h> |
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21 |
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22 #include "../../public/clientServerShared.h" |
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23 #include "classContServer.h" |
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24 #include "classContServerSession.h" |
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25 |
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26 /** |
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27 * Creates a new instance of CClassContServer, a CServer2 |
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28 * derived class. |
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29 */ |
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30 CClassContServer* CClassContServer::NewLC() |
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31 { |
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32 CClassContServer* s = new(ELeave) CClassContServer; |
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33 CleanupStack::PushL(s); |
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34 s->ConstructL(); |
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35 s->StartL(KServerName); |
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36 return s; |
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37 } |
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38 /** |
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39 * Destructor |
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40 */ |
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41 CClassContServer::~CClassContServer() |
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42 { |
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43 delete iShutdownTimer; |
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44 } |
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45 |
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46 /** |
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47 * Constructor |
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48 */ |
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49 CClassContServer::CClassContServer() : CServer2(EPriorityStandard) |
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50 { |
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51 } |
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52 |
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53 |
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54 /** |
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55 * 2nd phase construction. This exists to create a new timer and start a 5 second |
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56 * timing period. |
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57 */ |
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58 void CClassContServer::ConstructL() |
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59 { |
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60 iShutdownTimer = CPeriodic::NewL(CActive::EPriorityStandard); |
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61 StartShutdownTimer(); |
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62 } |
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63 |
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64 |
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65 /** |
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66 * This function is called by the session object when a session has been terminated. |
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67 * It creates a new timer of 5 seconds, this time the 5 seconds will run to |
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68 * completion and the timers RunL function will be called, stopping the active scheduler. |
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69 */ |
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70 |
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71 void CClassContServer::SessionRemoved() |
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72 { |
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73 iSession = NULL; |
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74 StartShutdownTimer(); |
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75 } |
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76 |
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77 |
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78 /** |
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79 * Function to instansiate a new CSession2 object, function leaves if a session |
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80 * already exists. After a session has been created the CServerTimer object |
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81 * gets cancelled. |
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82 */ |
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83 CSession2* CClassContServer::NewSessionL(const TVersion& /*aVersion*/, const RMessage2& aMessage) const |
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84 { |
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85 // before we continue check the secure ID of the send of aMessage |
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86 if (aMessage.SecureId() != KUsbSvrSecureId) |
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87 User::Leave(KErrPermissionDenied); |
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88 |
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89 CClassContServer* ncthis = const_cast<CClassContServer*>(this); |
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90 // Only allow one session |
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91 if (iSession) |
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92 User::Leave(KErrAlreadyExists); |
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93 ncthis->iSession = CClassContServerSession::NewL(*ncthis); |
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94 ncthis->CancelShutdownTimer(); |
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95 return iSession; |
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96 } |
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97 |
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98 |
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99 |
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100 |
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101 void CClassContServer::StartShutdownTimer() |
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102 { |
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103 if ( !iShutdownTimer->IsActive() ) |
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104 { |
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105 // Start the timer, delay events for 5 seconds, subsequent |
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106 // firings will not occur. |
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107 iShutdownTimer->Start(KShutdownDelay, KShutdownInterval, |
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108 TCallBack(CClassContServer::ShutdownTimerFired, this)); |
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109 } |
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110 } |
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111 |
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112 void CClassContServer::CancelShutdownTimer() |
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113 { |
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114 iShutdownTimer->Cancel(); |
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115 } |
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116 |
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117 TInt CClassContServer::ShutdownTimerFired(TAny* /*aThis*/) |
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118 { |
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119 CActiveScheduler::Stop(); |
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120 return KErrNone; |
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121 } |