/* $Id: hmparport.h,v 1.7 2001年12月07日 11:28:10 sandervl Exp $ */ /* * Project Odin Software License can be found in LICENSE.TXT * * Win32 Parallel Port device access class * * 2001 Patrick Haller * */ #ifndef _HM_PARPORT_H_ #define _HM_PARPORT_H_ class HMDeviceParPortClass : public HMDeviceHandler { public: HMDeviceParPortClass(LPCSTR lpDeviceName); //checks if device name belongs to this class virtual BOOL FindDevice(LPCSTR lpClassDevName, LPCSTR lpDeviceName, int namelength); /* this is the handler method for calls to CreateFile() */ virtual DWORD CreateFile (LPCSTR lpFileName, PHMHANDLEDATA pHMHandleData, PVOID lpSecurityAttributes, PHMHANDLEDATA pHMHandleDataTemplate); /* this is a handler method for calls to GetFileType() */ virtual DWORD GetFileType (PHMHANDLEDATA pHMHandleData); /* this is the handler method for calls to CloseHandle() */ virtual BOOL CloseHandle(PHMHANDLEDATA pHMHandleData); /* this is a handler method for calls to DeviceIoControl() */ virtual BOOL DeviceIoControl (PHMHANDLEDATA pHMHandleData, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped); /* this is a handler method for calls to ReadFile/Ex */ virtual BOOL ReadFile (PHMHANDLEDATA pHMHandleData, LPCVOID lpBuffer, DWORD nNumberOfBytesToRead, LPDWORD lpNumberOfBytesRead, LPOVERLAPPED lpOverlapped, LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine); /* this is a handler method for calls to WriteFile/Ex */ virtual BOOL WriteFile (PHMHANDLEDATA pHMHandleData, LPCVOID lpBuffer, DWORD nNumberOfBytesToWrite, LPDWORD lpNumberOfBytesWritten, LPOVERLAPPED lpOverlapped, LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine); private: // The number of physically present parallel ports in the system, // LAN-redirectors don't count. See note in ::CreateFile() BYTE bNumberOfParallelPorts; }; #endif // _HM_PARPORT_H_