csu3_am335x/EVSE/GPL/plc-utils.LNX.2.1.20/source/plc/ListLocalDevices.c

/*====================================================================*
*
*   Copyright (c) 2013 Qualcomm Atheros, Inc.
*
*   All rights reserved.
*
*====================================================================*/

/*====================================================================*
 *
 *   signed ListLocalDevices (struct plc * plc, char const * space, char const * comma);
 *
 *   plc.h
 *
 *   print local device hardware addresses on stdout;
 *
 *   Contributor(s):
 *      Charles Maier <cmaier@qca.qualcomm.com>
 *      Matthieu Poullet <m.poullet@avm.de>
 *
 *--------------------------------------------------------------------*/

#ifndef LISTLOCALDEVICES_SOURCE
#define LISTLOCALDEVICES_SOURCE

#include "../tools/number.h"
#include "../plc/plc.h"

signed ListLocalDevices (struct plc * plc, char const * space, char const * comma)

{
	struct channel * channel = (struct channel *) (plc->channel);
	struct message * message = (struct message *) (plc->message);
	ssize_t packetsize;

#ifndef __GNUC__
#pragma pack (push,1)
#endif

	struct __packed vs_sw_ver_request
	{
		struct ethernet_hdr ethernet;
		struct qualcomm_hdr qualcomm;
	}
	* request = (struct vs_sw_ver_request *) (message);

#ifndef __GNUC__
#pragma pack (pop)
#endif

	memset (message, 0, sizeof (* message));
	EthernetHeader (& request->ethernet, channel->peer, channel->host, channel->type);
	QualcommHeader (& request->qualcomm, 0, (VS_SW_VER | MMTYPE_REQ));
	if (sendpacket (channel, message, (ETHER_MIN_LEN - ETHER_CRC_LEN)) <= 0)
	{
		return (-1);
	}
	while ((packetsize = readpacket (channel, message, sizeof (* message))) > 0)
	{
		if (UnwantedMessage (message, packetsize, 0, (VS_SW_VER | MMTYPE_CNF)))
		{
			continue;
		}
		hexout (request->ethernet.OSA, sizeof (request->ethernet.OSA), HEX_EXTENDER, 0, stdout);
		if ((space) && (* space))
		{
			printf ("%s", space);
		}
	}
	if ((comma) && (* comma))
	{
		printf ("%s", comma);
	}
	return (0);
}

#endif