//------------------------------------------------------------------------------
// Desc:	Interactive database shell
//
// Tabs:	3
//
//		Copyright (c) 2003-2006 Novell, Inc. All Rights Reserved.
//
//		This program is free software; you can redistribute it and/or
//		modify it under the terms of version 2 of the GNU General Public
//		License as published by the Free Software Foundation.
//
//		This program is distributed in the hope that it will be useful,
//		but WITHOUT ANY WARRANTY; without even the implied warranty of
//		MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
//		GNU General Public License for more details.
//
//		You should have received a copy of the GNU General Public License
//		along with this program; if not, contact Novell, Inc.
//
//		To contact Novell about this file by physical or electronic mail,
//		you may find current contact information at www.novell.com
//
// $Id: xshell.cpp 3119 2006-01-19 13:39:12 -0700 (Thu, 19 Jan 2006) dsanders $
//------------------------------------------------------------------------------

#include "flaimsys.h"
#include "fshell.h"

static FlmSharedContext *				gv_pSharedContext = NULL;
FTX_INFO *									gv_pFtxInfo = NULL;
FLMBOOL										gv_bShutdown = FALSE;
FLMBOOL										gv_bRunning = TRUE;

#if defined( FLM_NLM)

	extern "C"
	{
//		void SynchronizeStart( void);
		void xshellCleanup( void);
	}

	void xshellCleanup( void)
	{
		while( gv_bRunning)
		{
			f_yieldCPU();
		}
	}

#endif

/***************************************************************************
Desc:	Program entry point (main)
****************************************************************************/
#if defined( FLM_UNIX) || defined( FLM_NLM)
extern "C" int main(
	int, //			iArgC,
	char **)		// ppucArgV
#else
int __cdecl main(
	int, //		iArgC,
	char **)		// ppucArgV
#endif
{
	RCODE						rc = NE_XFLM_OK;
	FlmShell *				pShell = NULL;
	F_DbSystem				dbSystem;

#ifdef FLM_NLM

	gv_bRunning = TRUE;

	// Setup the routines to be called when the NLM exits

	atexit( xshellCleanup);
//	SynchronizeStart();

#endif

	if( RC_BAD( rc = dbSystem.init()))
	{
		goto Exit;
	}

	if( FTXInit( "X-FLAIM Shell", (FLMBYTE)80, (FLMBYTE)50,
		WPS_BLUE, WPS_WHITE, NULL, NULL, &gv_pFtxInfo) != FTXRC_SUCCESS)
	{
		rc = RC_SET( NE_XFLM_MEM);
		goto Exit;
	}

	FTXSetShutdownFlag( gv_pFtxInfo, &gv_bShutdown);

	if( (gv_pSharedContext = f_new FlmSharedContext) == NULL)
	{
		rc = RC_SET( NE_XFLM_MEM);
		goto Exit;
	}

	if( RC_BAD( rc = gv_pSharedContext->init( NULL, gv_pFtxInfo)))
	{
		goto Exit;
	}

	gv_pSharedContext->setShutdownFlag( &gv_bShutdown);

	if( (pShell = f_new FlmShell) != NULL)
	{
		if( RC_OK( pShell->setup( gv_pSharedContext)))
		{
			gv_pSharedContext->spawn( pShell);
		}
	}

	gv_pSharedContext->wait();

Exit:

	gv_bShutdown = TRUE;

	if( gv_pSharedContext)
	{
		gv_pSharedContext->Release();
	}

	// Free FTX

	FTXFree( &gv_pFtxInfo);

	// Shut down the FLAIM database engine.  This call must be made
	// even if the init call failed.  No more FLAIM calls should be made
	// by the application.

	dbSystem.exit();
	gv_bRunning = FALSE;
	return( 0);
}