text: /*====================================================================*
   *
   *   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_start_atten_char (struct session * session, struct channel * channel, struct message * message);
   *
   *   slac.h
   *
   *   the PEV-HLE broadcasts a CM_START_ATTEN_CHAR.IND to initiate a
   *   SLAC session; we broadcast three times per HPGP specification;
   *
   *--------------------------------------------------------------------*/
  
  #ifndef PEV_CM_START_ATTEN_CHAR_SOURCE
  #define PEV_CM_START_ATTEN_CHAR_SOURCE
  
  #include <sys/time.h>
  #include <memory.h>
  #include <errno.h>
  
  #include "../tools/types.h"
  #include "../tools/error.h"
  #include "../ether/channel.h"
  #include "../slac/slac.h"
  
  signed pev_cm_start_atten_char (struct session * session, struct channel * channel, struct message * message)
  
  {
  	struct cm_start_atten_char_indicate * indicate = (struct cm_start_atten_char_indicate *) (message);
  	slac_debug (session, 0, __func__, "--> CM_START_ATTEN_CHAR.IND");
  	memset (message, 0, sizeof (* message));
  	EthernetHeader (& indicate->ethernet, session->MSOUND_TARGET, channel->host, channel->type);
  	HomePlugHeader1 (& indicate->homeplug, HOMEPLUG_MMV, (CM_START_ATTEN_CHAR | MMTYPE_IND));
  	indicate->APPLICATION_TYPE = session->APPLICATION_TYPE;
  	indicate->SECURITY_TYPE = session->SECURITY_TYPE;
  	indicate->ACVarField.NUM_SOUNDS = session->NUM_SOUNDS;
  	indicate->ACVarField.TIME_OUT = session->TIME_OUT;
  	indicate->ACVarField.RESP_TYPE = session->RESP_TYPE;
  	memcpy (indicate->ACVarField.FORWARDING_STA, session->FORWARDING_STA, sizeof (indicate->ACVarField.FORWARDING_STA));
  	memcpy (indicate->ACVarField.RunID, session->RunID, sizeof (indicate->ACVarField.RunID));
  	if (sendmessage (channel, message, (ETHER_MIN_LEN - ETHER_CRC_LEN)) <= 0)
  	{
  		return (slac_debug (session, 1, __func__, CHANNEL_CANTSEND));
  	}
  
  #if 0
  
  /*
   *	the GreenPHY spec says to send CM_START_ATTEN.IND three times to ensure
   *	that is is received;
   */
  
  	if (sendmessage (channel, message, (ETHER_MIN_LEN - ETHER_CRC_LEN)) <= 0)
  	{
  		return (slac_debug (session, 1, __func__, CHANNEL_CANTSEND));
  	}
  	if (sendmessage (channel, message, (ETHER_MIN_LEN - ETHER_CRC_LEN)) <= 0)
  	{
  		return (slac_debug (session, 1, __func__, CHANNEL_CANTSEND));
  	}
  
  #endif
  
  	return (0);
  }
  
  #endif
  
  
  
  