//----------------------------------------------------------------------------
//  EgalTech 2015-2015
//----------------------------------------------------------------------------
// File : DllMachKernel.cpp       Data : 27.03.15        Versione : 1.6c9
// Contenuto : Funzioni di gestione della libreria opzionale EgtMachKernel.
//
//
//
// Modifiche : 27.03.15 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

//--------------------------- Include ----------------------------------------
#include "stdafx.h"
#include "EXE.h"
#include "DllMachKernel.h"
#include "/EgtDev/Include/EMkDllMain.h"
#define NOMINMAX
#include <windows.h>

using namespace std ;

//-----------------------------------------------------------------------------
// Nome della libreria
#if defined( _WIN64) &&  defined( _DEBUG)
   static const wchar_t* EMK_NAME = L"EgtMachKernelD64.dll" ;
#elif defined( _WIN64)
   static const wchar_t* EMK_NAME = L"EgtMachKernelR64.dll" ;
#elif defined( _WIN32) &&  defined( _DEBUG)
   static const wchar_t* EMK_NAME = L"EgtMachKernelD32.dll" ;
#else
   static const wchar_t* EMK_NAME = L"EgtMachKernelR32.dll" ;
#endif
// Nome delle funzioni caricate
static const char* EMK_SETEMKLOGGER = "SetEMkLogger" ;
static const char* EMK_GETEMKVERSION = "GetEMkVersion" ;
static const char* EMK_SETEMKKEY = "SetEMkKey" ;
static const char* EMK_SETEMKNETHWKEY = "SetEMkNetHwKey" ;
static const char* EMK_CREATEMACHMGR = "CreateMachMgr" ;


//-----------------------------------------------------------------------------
HMODULE s_hEMk = nullptr ;

//-----------------------------------------------------------------------------
bool
LoadMachKernelDll( ILogger* pLogger, const string& sKey, bool bNetHwKey)
{
  // verifico la chiave
   if ( ! TestKeyForEMk( sKey, 0, pLogger)) {
      FreeMachKernelDll() ;
      return false ;
   }
  // se già caricata
   if ( s_hEMk != nullptr)
      return true ;
  // carico la libreria EgtMachKernel
   s_hEMk = LoadLibrary( EMK_NAME) ;
   if ( s_hEMk == nullptr)
      return false ;
  // imposto logger
   MySetEMkLogger( pLogger) ;
  // imposto i codici della chiave
   MySetEMkKey( sKey) ;
  // imposto eventuale chiave di rete
   MySetEMkNetHwKey( bNetHwKey) ;
   return true ;
}

//-----------------------------------------------------------------------------
bool
FreeMachKernelDll( void)
{
  // se non è già caricata
   if ( s_hEMk == nullptr)
      return true ;
  // libero la libreria EgtMachKernel
   FreeLibrary( s_hEMk) ;
   s_hEMk = nullptr ;
   return true ;
}

//-----------------------------------------------------------------------------
bool
IsLoadedMachKernelDll( void)
{
   return ( s_hEMk != nullptr) ;
}

//-----------------------------------------------------------------------------
void
MySetEMkLogger( ILogger* pLogger)
{
  // verifico caricamento libreria MachMgr
   if ( s_hEMk == nullptr)
      return ;
  // recupero funzione che imposta il logger
   typedef void (* PF_SetEMkLogger) ( ILogger* pLogger) ;
   PF_SetEMkLogger pFun = (PF_SetEMkLogger)GetProcAddress( s_hEMk, EMK_SETEMKLOGGER) ;
   if ( pFun == nullptr)
      return ;
   pFun( pLogger) ;
}

//-----------------------------------------------------------------------------
const char*
MyGetEMkVersion( void)
{
  // verifico caricamento libreria MachMgr
   if ( s_hEMk == nullptr)
      return "" ;
  // recupero funzione che restituisce la versione della libreria
   typedef const char* (* PF_GetEMkVersion) ( void) ;
   PF_GetEMkVersion pFun = (PF_GetEMkVersion)GetProcAddress( s_hEMk, EMK_GETEMKVERSION) ;
   if ( pFun == nullptr)
      return "" ;
   return pFun() ;
}

//-----------------------------------------------------------------------------
void
MySetEMkKey( const string& sKey)
{
  // verifico caricamento libreria MachMgr
   if ( s_hEMk == nullptr)
      return ;
  // recupero funzione che imposta i codici di protezione
   typedef void (* PF_SetEMkKey) ( const string& sKey) ;
   PF_SetEMkKey pFun = (PF_SetEMkKey)GetProcAddress( s_hEMk, EMK_SETEMKKEY) ;
   if ( pFun == nullptr)
      return ;
   pFun( sKey) ;
}

//-----------------------------------------------------------------------------
void
MySetEMkNetHwKey( bool bNetHwKey)
{
  // verifico caricamento libreria EgtGraphics
   if ( s_hEMk == nullptr)
      return ;
  // recupero funzione che imposta il flag per chiave di rete
   typedef void (* PF_SetEMkNetHwKey) ( bool bNetHwKey) ;
   PF_SetEMkNetHwKey pFun = (PF_SetEMkNetHwKey)GetProcAddress( s_hEMk, EMK_SETEMKNETHWKEY) ;
   if ( pFun == nullptr)
      return ;
   pFun( bNetHwKey) ;
}

//-----------------------------------------------------------------------------
IMachMgr*
MyCreateMachMgr( void)
{
  // verifico caricamento libreria MachMgr
   if ( s_hEMk == nullptr)
      return nullptr ;
  // recupero funzione creazione oggetto
   typedef IMachMgr* (* PF_CreateMachMgr) ( void) ;
   PF_CreateMachMgr pFun = (PF_CreateMachMgr)GetProcAddress( s_hEMk, EMK_CREATEMACHMGR) ;
   if ( pFun == nullptr)
      return nullptr ;
   return pFun() ;
}