pev_cm_atten_char.c
Author: cmaier@cmassoc.net

    /*====================================================================*
     *
     *   Copyright (c) 2013 Qualcomm Atheros, Inc.
     *
     *   All rights reserved.
     *
     *   Redistribution and use in source and binary forms, with or
     *   without modification, are permitted (subject to the limitations
     *   in the disclaimer below) provided that the following conditions
     *   are met:
     *
     *   * Redistributions of source code must retain the above copyright
     *     notice, this list of conditions and the following disclaimer.
     *
     *   * Redistributions in binary form must reproduce the above
     *     copyright notice, this list of conditions and the following
     *     disclaimer in the documentation and/or other materials
     *     provided with the distribution.
     *
     *   * Neither the name of Qualcomm Atheros nor the names of
     *     its contributors may be used to endorse or promote products
     *     derived from this software without specific prior written
     *     permission.
     *
     *   NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
     *   GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE
     *   COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
     *   IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     *   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     *   PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
     *   OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     *   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     *   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     *   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     *   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     *   OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     *   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     *
     *--------------------------------------------------------------------*/

    /*====================================================================*
     *
     *   signed pev_cm_atten_char (struct session * session, struct channel * channel, struct message * message);
     *
     *   slac.h
     *
     *   PEV-HLE waits for CM_ATTEN_CHAR.IND from EVSE-HLE and responds
     *   to indicate the data was received in good order; this response
     *   does not mean that PEV-HLE will mate with EVSE-HLE;
     *
     *--------------------------------------------------------------------*/

    #ifndef PEV_CM_ATTEN_CHAR_SOURCE
    #define PEV_CM_ATTEN_CHAR_SOURCE

    #include <string.h>

    #include "../ether/channel.h"
    #include "../tools/memory.h"
    #include "../tools/error.h"
    #include "../tools/flags.h"
    #include "../iso15118/slac.h"

    signed pev_cm_atten_char (struct session * session, struct channel * channel, struct message * message)

    {
    	struct cm_atten_char_indicate * indicate = (struct cm_atten_char_indicate *) (message);
    	struct cm_atten_char_response * response = (struct cm_atten_char_response *) (message);
    	while (readmessage (channel, message, HOMEPLUG_MMV, (CM_ATTEN_CHAR | MMTYPE_IND)) > 0)
    	{
    		if (! memcmp (session->RunID, indicate->ACVarField.RunID, sizeof (session->RunID)))
    		{
    			slac_debug (session, 0, __func__, "<-- CM_ATTEN_CHAR.IND");
    			memcpy (session->EVSE_MAC, indicate->ethernet.OSA, sizeof (session->EVSE_MAC));
    			session->NUM_SOUNDS = indicate->ACVarField.NUM_SOUNDS;
    			session->NumGroups = indicate->ACVarField.ATTEN_PROFILE.NumGroups;
    			memcpy (session->AAG, indicate->ACVarField.ATTEN_PROFILE.AAG, indicate->ACVarField.ATTEN_PROFILE.NumGroups);

    #if SLAC_DEBUG

    			if (_anyset (session->flags, SLAC_VERBOSE))
    			{
    				char string [256];
    				slac_debug (session, 0, __func__, "CM_ATTEN_CHAR.IND.ACVarField.APPLICATION_TYPE %d", indicate->APPLICATION_TYPE);
    				slac_debug (session, 0, __func__, "CM_ATTEN_CHAR.IND.ACVarField.SECURITY_TYPE %d", indicate->SECURITY_TYPE);
    				slac_debug (session, 0, __func__, "CM_ATTEN_CHAR.IND.ACVarField.SOURCE_ADDRESS %s", HEXSTRING (string, indicate->ACVarField.SOURCE_ADDRESS));
    				slac_debug (session, 0, __func__, "CM_ATTEN_CHAR.IND.ACVarField.RunID %s", HEXSTRING (string, indicate->ACVarField.RunID));
    				slac_debug (session, 0, __func__, "CM_ATTEN_CHAR.IND.ACVarField.SOURCE_ID %s", HEXSTRING (string, indicate->ACVarField.SOURCE_ID));
    				slac_debug (session, 0, __func__, "CM_ATTEN_CHAR.IND.ACVarField.RESP_ID %s", HEXSTRING (string, indicate->ACVarField.RESP_ID));
    				slac_debug (session, 0, __func__, "CM_ATTEN_CHAR.IND.ACVarField.NUM_SOUNDS %d", indicate->ACVarField.NUM_SOUNDS);
    				slac_debug (session, 0, __func__, "CM_ATTEN_CHAR.IND.ACVarField.ATTEN_PROFILE.NumGroups %d", indicate->ACVarField.ATTEN_PROFILE.NumGroups);
    				slac_debug (session, 0, __func__, "CM_ATTEN_CHAR.IND.ACVarField.ATTEN_PROFILE.AAG %s", hexstring (string, sizeof (string), indicate->ACVarField.ATTEN_PROFILE.AAG, indicate->ACVarField.ATTEN_PROFILE.NumGroups));
    			}

    #endif

    			slac_debug (session, 0, __func__, "--> CM_ATTEN_CHAR.RSP");
    			memset (message, 0, sizeof (* message));
    			EthernetHeader (& response->ethernet, session->EVSE_MAC, channel->host, channel->type);
    			HomePlugHeader1 (& response->homeplug, HOMEPLUG_MMV, (CM_ATTEN_CHAR | MMTYPE_RSP));
    			response->APPLICATION_TYPE = session->APPLICATION_TYPE;
    			response->SECURITY_TYPE = session->SECURITY_TYPE;
    			memcpy (response->ACVarField.SOURCE_ADDRESS, session->PEV_MAC, sizeof (response->ACVarField.SOURCE_ADDRESS));
    			memcpy (response->ACVarField.RunID, session->RunID, sizeof (response->ACVarField.RunID));
    			memset (response->ACVarField.SOURCE_ID, 0, sizeof (response->ACVarField.SOURCE_ID));
    			memset (response->ACVarField.RESP_ID, 0, sizeof (response->ACVarField.RESP_ID));
    			response->ACVarField.Result = 0;
    			if (sendmessage (channel, message, sizeof (* response)) <= 0)
    			{
    				return (slac_debug (session, 1, __func__, CHANNEL_CANTSEND));
    			}
    			return (0);
    		}
    	}
    	return (slac_debug (session, session->exit, __func__, "<-- CM_ATTEN_CHAR.IND ?"));
    }

    #endif

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