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1 // Copyright (c) 2008-2009 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 the License "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 // cusbhostmsderver.cpp |
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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 @file |
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20 @internalTechnology |
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21 */ |
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22 |
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23 #include <e32svr.h> |
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24 #include "msctypes.h" |
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25 #include "shared.h" |
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26 #include "msgservice.h" |
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27 #include "usbmshostpanic.h" |
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28 #include "cusbhostmssession.h" |
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29 #include "cusbhostmsserver.h" |
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30 #include "msdebug.h" |
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31 #include "debug.h" |
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32 #include "securitypolicy.h" |
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33 |
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34 /** |
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35 Constructs a USB mass storage Server |
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36 */ |
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37 CUsbHostMsServer* CUsbHostMsServer::NewLC() |
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38 { |
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39 __MSFNSLOG |
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40 CUsbHostMsServer* r = new (ELeave) CUsbHostMsServer(); |
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41 CleanupStack::PushL(r); |
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42 r->StartL(KUsbHostMsServerName); |
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43 return r; |
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44 } |
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45 |
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46 /** |
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47 Destructor |
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48 */ |
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49 CUsbHostMsServer::~CUsbHostMsServer() |
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50 { |
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51 __MSFNLOG |
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52 // Intentionally left blank |
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53 } |
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54 |
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55 |
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56 /** |
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57 Constructor |
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58 */ |
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59 CUsbHostMsServer::CUsbHostMsServer() |
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60 : CPolicyServer(EPriorityHigh,KUsbMsServerPolicy, EGlobalSharableSessions) |
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61 { |
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62 __MSFNLOG |
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63 } |
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64 |
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65 |
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66 /** |
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67 Create a new session on this server. |
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68 |
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69 @param aVersion Version of client |
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70 @param aMessage& Not used |
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71 |
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72 @return CSession2* A pointer to a session object to be used for the client |
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73 */ |
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74 CSession2* CUsbHostMsServer::NewSessionL(const TVersion &aVersion, const RMessage2& /*aMessage*/) const |
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75 { |
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76 __MSFNSLOG |
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77 TVersion v(KUsbHostMsSrvMajorVersionNumber, |
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78 KUsbHostMsSrvMinorVersionNumber, |
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79 KUsbHostMsSrvBuildVersionNumber); |
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80 if (!User::QueryVersionSupported(v, aVersion)) |
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81 User::Leave(KErrNotSupported); |
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82 |
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83 CUsbHostMsServer* ncThis = const_cast<CUsbHostMsServer*>(this); |
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84 |
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85 CUsbHostMsSession* sess = CUsbHostMsSession::NewL(*ncThis); |
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86 |
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87 return sess; |
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88 } |
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89 |
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90 |
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91 /** |
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92 Inform the client there has been an error. |
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93 |
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94 @param aError The error that has occurred |
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95 */ |
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96 void CUsbHostMsServer::Error(TInt aError) |
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97 { |
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98 __MSFNLOG |
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99 __HOSTPRINT1(_L("CUsbHostMsServer::Error [aError=%d]\n"), aError); |
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100 |
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101 Message().Complete(aError); |
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102 ReStart(); |
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103 } |
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104 |
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105 /** |
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106 Increment the open session count (iSessionCount) by one. |
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107 |
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108 @post The number of open sessions is incremented by one |
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109 */ |
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110 void CUsbHostMsServer::IncrementSessionCount() |
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111 { |
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112 __MSFNLOG |
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113 __HOSTPRINT1(_L("CUsbHostMsServer::IncrementSessionCount %d\n"), iSessionCount); |
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114 __ASSERT_DEBUG(iSessionCount >= 0, User::Panic(KUsbMsHostPanicCat, EUsbMsPanicIllegalIPC)); |
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115 |
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116 ++iSessionCount; |
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117 |
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118 __HOSTPRINT(_L("CUsbHostMsServer::IncrementSessionCount\n")); |
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119 } |
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120 |
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121 /** |
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122 Decrement the open session count (iSessionCount) by one. |
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123 |
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124 @post The number of open sessions is decremented by one |
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125 */ |
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126 void CUsbHostMsServer::DecrementSessionCount() |
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127 { |
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128 __MSFNLOG |
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129 __HOSTPRINT1(_L("CUsbHostMsServer::DecrementSessionCount %d\n"), iSessionCount); |
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130 |
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131 __ASSERT_DEBUG(iSessionCount > 0, User::Panic(KUsbMsHostPanicCat, EUsbMsPanicIllegalIPC)); |
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132 |
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133 --iSessionCount; |
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134 } |
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135 |