/*-------------------------------------------------------------------
	ModbusProtocolDLL.cpp
	-------------------------------------------------------------------

	(c) 2009 Vector Informatik GmbH. All rights reserved.

	------------------------------------------------------------------- */ 

#include "StdAfx.h"
#include "ModbusProtocolDLL.h"
#include "ModbusProtocolAddOn.h"

////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////

/*--------------------------------------------------------------------*/
//! Reply new ProtocolManager instance
/*! 
		This function is called on loading of this DLL by the IPB Packet API.
		It must register the protocol of this DLL.
*/
STDAPI DllRegisterAddOn( NIPB::IAddOnRegistrar* registrar )
{
	if (registrar == NULL)
	{
		return E_INVALIDARG;
	}

	//
	// register the signal protocol at the IPB Packet Lib. For the protocol
	// UDP with source port 40002 is used.
	//
	if (registrar->RegisterProtocol( "modbus", new ModbusProtocolAddOn(), "udp", 40002, 0xFFFFFFFF ) != NIPB::kOK)
	{
		ModbusProtocolAddOn::Instance().Release();
		return NIPB::kError;
	}
	
	return S_OK;
}

/*--------------------------------------------------------------------*/
//! Return interface version
/*! 
		This DLL must support a proper version of the IBP Packet API.
*/
STDAPI DllGetApiVersion( unsigned long /*out*/*major, unsigned long /*out*/*minor, unsigned long /*out*/*structVersion )
{
	if (major)
	{
		*major = IPB_PACKET_LIB_INTERFACE_VERSION_MAJOR;
	}

	if (minor)
	{
		*minor = IPB_PACKET_LIB_INTERFACE_VERSION_MINOR;
	}

	if (structVersion)
	{
		*structVersion = IPB_PACKET_LIB_STRUCT_VERSION;
	}

	return S_OK;
}

////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////