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/*====================================================================*
*
* 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 Transmit (struct plc * plc, byte source [], byte target []) ;
*
* send TCP/IP frames to a remote powerline device to establish
* the source device TX PHY rate and remote device RX PHY rate;
*
*--------------------------------------------------------------------*/
#ifndef TRANSMIT_SOURCE
#define TRANSMIT_SOURCE
#include <memory.h>
#include <errno.h>
#include <sys/time.h>
#include "../tools/error.h"
#include "../tools/flags.h"
#include "../tools/types.h"
#include "../tools/timer.h"
#include "../plc/plc.h"
signed Transmit (struct plc * plc, byte source [], byte target [])
{
struct channel * channel = (struct channel *)(plc->channel);
struct message * message = (struct message *)(plc->message);
struct timeval ts;
struct timeval tc;
unsigned timer = 0;
if (_allclr (plc->flags, PLC_SILENCE))
{
char sourcename [ETHER_ADDR_LEN * 3];
char targetname [ETHER_ADDR_LEN * 3];
hexdecode (source, ETHER_ADDR_LEN, sourcename, sizeof (sourcename));
hexdecode (target, ETHER_ADDR_LEN, targetname, sizeof (targetname));
fprintf (stderr, "%s %s %s\n", channel->ifname, sourcename, targetname);
}
memset (message, 0xA5, sizeof (* message));
EthernetHeader (message, target, source, ETHERTYPE_IP);
if (gettimeofday (&ts, NULL) == -1)
{
error (1, errno, CANT_START_TIMER);
}
for (timer = 0; timer < plc->timer; timer = SECONDS (ts, tc))
{
if (sendpacket (channel, message, sizeof (* message)) <= 0)
{
error (1, ECANCELED, CHANNEL_CANTSEND);
}
if (gettimeofday (&tc, NULL) == -1)
{
error (1, errno, CANT_RESET_TIMER);
}
SLEEP (100);
}
return (0);
}
#endif
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