#include "StdAfx.h"

#include "hlapi_c.h"
#define EYECAST (Word DATAFAR_ *)

#include "connect.h"
#include "server.h"
#include "tracing.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

// @doc INTERNAL

// @rdesc Ritorna il valore corrispondente alla chiave appartenente
//        ad una sezione del file di configurazione

static CString GetIniString(LPCSTR sec, // @parm Sezione
		 			        LPCSTR key, // @parm Chiave
					        LPCSTR def) // @parm Valore di default
{
	// Nome del file .ini
	static CString m_strIniFile;
	
	// Lunghezza massima di un nome di directory
	// o di un valore del file .ini
	const DWORD dwSize = _MAX_DIR + 1;

	// Costruisce il nome del file .ini se necessario
	if (m_strIniFile.IsEmpty())
	{
		GetCurrentDirectory(dwSize, m_strIniFile.GetBuffer(dwSize));
		m_strIniFile.ReleaseBuffer();
		m_strIniFile += "\\prawin.ini";
	}

	// Legge il valore della chiave nella sezione specificata
	CString tmp;
	char* buf = tmp.GetBuffer(dwSize);
	GetPrivateProfileString(sec, key, def, buf, dwSize, m_strIniFile);
	tmp.ReleaseBuffer();
	return tmp;
}

#define HLBLOCK 1

unsigned short THardlockServer::GetSer()
{
	_SerNo = 0xFFFF;

    if (HL_AVAIL() == STATUS_OK)
	{
		Word Val[4] = { 0, 0, 0, 0 }; 
		HL_READ(0, EYECAST &Val[0]);
		HL_READ(1, EYECAST &Val[1]);
		HL_READ(2, EYECAST &Val[2]);
		HL_READ(3, EYECAST &Val[3]);
		HL_CODE(EYECAST Val, HLBLOCK);
		if (Val[0] == 0xFAE8)
			_SerNo = Val[1];
		else
			_SerNo = 0;
	}
	
	Trace(0, "Hardlock serial number is %s: %d", 
		     (_SerNo == 0xFFFF) ? "Bad" : "OK", (int)_SerNo);
	
	return _SerNo;
}

unsigned short THardlockServer::GetUsers()
{
	_Users = 0;
	if (_SerNo == 0)
		_Users = 1;
	else
	{
		if (_SerNo != 0xFFFF)
		{
			Word Val[4] = { 0, 0, 0, 0 }; 
			HL_READ(60, EYECAST &Val[0]);
			HL_READ(61, EYECAST &Val[1]);
			HL_READ(62, EYECAST &Val[2]);
			HL_READ(63, EYECAST &Val[3]);
			HL_CODE(Val, HLBLOCK);
			_Users = Val[1];
		}
	}
	Trace(0, "Maximum number of users is %d", (int)_Users);
	return _Users;
}

BOOL THardlockServer::GetAut()
{
  if (_SerNo == 0xFFFF) 
	  return FALSE;

  if (_SerNo == 0) 
	  return TRUE;
  
  HL_READ(48, EYECAST &_int_tab[0]);
  HL_READ(49, EYECAST &_int_tab[1]);
  HL_READ(50, EYECAST &_int_tab[2]);
  HL_READ(51, EYECAST &_int_tab[3]);
  HL_CODE(_int_tab, HLBLOCK);
  
  for (int i = 0; i < 4; i++) 
	_int_tab[i] ^= _SerNo;
  if (_int_tab[3]) 
    return(FALSE);
  
  return TRUE;
}

BOOL THardlockServer::Login() const
{
	const char* const REFKEY = "CAMPOKEY";
	const char* const VERKEY = "ìpÙˆ¬cê<";

	unsigned char ref[9]; strcpy((char*)ref, REFKEY);
	unsigned char ver[9]; strcpy((char*)ver, VERKEY);

    const int status = HL_LOGIN(26952, LOCAL_DEVICE, ref, ver);

	Trace(0, "Hardlock login %s: %d",
		     status == STATUS_OK ? "OK" : "Failed", status);

    return status == STATUS_OK;
}

void THardlockServer::Logout() const
{
    HL_LOGOUT();
}

BOOL THardlockServer::OnConnect(const CString& topic)
{
	BOOL ok = Connections() <= MaxUsers();
	if (!ok)
		Trace(0, "Refusing Topic %s", (const char*)topic);
	return ok;
}


TConnection* THardlockServer::OnCreateConnection(DWORD id)
{
	TConnection* c = NULL;
	if (Connections() <= MaxUsers())
	{
		Trace(0, "Connecting %lu", id);
		c = new TPrassiConnection(this, id);
	}
	else
		Trace(0, "Refusing Connection %lu", id);
	return c;
}

BOOL THardlockServer::OnRemoveConnection(DWORD id)
{
	Trace(0, "Disconnecting %lu", id); 
	return BASE_SERVER::OnRemoveConnection(id);
}

THardlockServer::THardlockServer() 
             : BASE_SERVER("HARDLOCK")
{
	 _SerNo = 0xFFFF;
	 _int_tab[0] = 0xFFFF;
	 _int_tab[1] = 0xFFFF;
	 _int_tab[2] = 0xFFFF;
	 _int_tab[3] = 0x0000;

	 Login();
	 GetSer();
	 GetUsers();
}

THardlockServer::~THardlockServer()
{
	 Logout();
}


///////////////////////////////////////////////////////////
// Start/Stop server

static THardlockServer* pDDE = NULL;

BOOL StopServer()
{
	BOOL ok = pDDE != NULL;
	if (ok)
	{
		delete pDDE;
		pDDE = NULL;
	}
	return ok;
}

THardlockServer& GetServer()
{
	ASSERT(pDDE);
	return *pDDE;
}

BOOL StartServer()
{
	BOOL ok = pDDE == NULL;
	if (ok)
		pDDE = new THardlockServer;
	return ok;
}