00001 /* 00002 Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 00003 00004 Redistribution and use in source and binary forms, with or without 00005 modification, are permitted provided that the following conditions are met: 00006 00007 * Redistributions of source code must retain the above copyright notice, this 00008 list of conditions and the following disclaimer. 00009 * Redistributions in binary form must reproduce the above copyright notice, 00010 this list of conditions and the following disclaimer in the documentation 00011 and/or other materials provided with the distribution. 00012 * Neither the name of Nokia Corporation nor the names of its contributors 00013 may be used to endorse or promote products derived from this software 00014 without specific prior written permission. 00015 00016 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00017 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00018 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00019 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 00020 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00021 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 00022 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00023 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00024 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00025 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00026 00027 Description: 00028 */ 00029 00030 00031 #ifndef __PROCESSSERVER_H__ 00032 #define __PROCESSSERVER_H__ 00033 00034 #include <e32base.h> 00035 #include <e32std.h> 00036 #include "shutdownserver.h" 00037 #include "processclientserver.h" 00038 #include "driver1.h" 00039 00040 class CAsyncHandler; 00044 class CProcessServer : public CServer2 00045 { 00046 public: 00050 enum TDriverState 00051 { 00052 EStateUnknown, 00053 EDriverLoaded, 00054 ELogicalChannelOpened, 00055 ESendingData, 00056 ELogicalChannelClosed, 00057 EDriverUnloaded 00058 }; 00062 static void NewLC(); 00067 ~CProcessServer(); 00072 CSession2* NewSessionL(const TVersion& aVersion,const RMessage2& aMessage) const; 00077 void IncrementRefCount(); 00082 void DecrementRefCount(); 00086 TInt LoadDevice(); 00090 TInt UnloadDevice(); 00094 TInt OpenLogicalChannel(); 00098 void CloseLogicalChannel(); 00102 TInt SendDataToDevice(TRequestStatus& aStatus, const TDesC8& aData); 00106 void CancelSendData(); 00110 void UpdateDriverState(TDriverState aState); 00111 00112 private: 00113 CProcessServer(); 00114 void ConstructL(); 00115 00116 private: 00117 TInt iRefCount; 00118 CDelayServerShutDown* iDelayProcessServerShutDown; 00119 RDriver1 iDriver; 00120 TDriverState iDriverState; 00121 }; 00122 00123 00124 00125 #endif
1.6.2