    /*====================================================================*
     *
     *   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.
     *
     *--------------------------------------------------------------------*/

    /*====================================================================*"
     *
     *   amptone.c -
     *
     *
     *   Contributor(s):
     *      Charles Maier <cmaier@qca.qualcomm.com>
     *
     *--------------------------------------------------------------------*/

    /*====================================================================*"
     *   system header files;
     *--------------------------------------------------------------------*/

    #include <unistd.h>
    #include <stdlib.h>
    #include <stdint.h>
    #include <limits.h>

    /*====================================================================*
     *   custom header files;
     *--------------------------------------------------------------------*/

    #include "../tools/getoptv.h"
    #include "../tools/putoptv.h"
    #include "../tools/memory.h"
    #include "../tools/symbol.h"
    #include "../tools/number.h"
    #include "../tools/types.h"
    #include "../tools/flags.h"
    #include "../tools/files.h"
    #include "../tools/error.h"
    #include "../plc/plc.h"

    /*====================================================================*
     *   custom source files;
     *--------------------------------------------------------------------*/

    #ifndef MAKEFILE
    #include "../plc/Devices.c"
    #include "../plc/Failure.c"
    #include "../plc/ReadMME.c"
    #include "../plc/SendMME.c"
    #include "../plc/ToneMaps2.c"
    #include "../plc/SignalToNoise2.c"
    #endif

    #ifndef MAKEFILE
    #include "../tools/error.c"
    #include "../tools/getoptv.c"
    #include "../tools/putoptv.c"
    #include "../tools/version.c"
    #include "../tools/uintspec.c"
    #include "../tools/hexdump.c"
    #include "../tools/hexencode.c"
    #include "../tools/hexdecode.c"
    #include "../tools/hexstring.c"
    #include "../tools/todigit.c"
    #include "../tools/synonym.c"
    #endif

    #ifndef MAKEFILE
    #include "../ether/openchannel.c"
    #include "../ether/closechannel.c"
    #include "../ether/readpacket.c"
    #include "../ether/sendpacket.c"
    #include "../ether/channel.c"
    #endif

    #ifndef MAKEFILE
    #include "../mme/EthernetHeader.c"
    #include "../mme/QualcommHeader1.c"
    #include "../mme/UnwantedMessage.c"
    #include "../mme/MMECode.c"
    #endif

    /*====================================================================*
     *   program variables;
     *--------------------------------------------------------------------*/

    static const struct _term_ couple [] =

    {
    	{
    		"alt",
    		"1"
    	},
    	{
    		"pri",
    		"0"
    	}
    };

    /*====================================================================*
     *
     *   int main (int argc, char const * argv[]);
     *
     *   parse command line, populate plc structure and perform selected
     *   operations; show help summary if asked; see getoptv and putoptv
     *   to understand command line parsing and help summary display; see
     *   plc.h for the definition of struct plc;
     *
     *   the command line accepts multiple MAC addresses and the program
     *   performs the specified operations on each address, in turn; the
     *   address order is significant but the option order is not; the
     *   default address is a local broadcast that causes all devices on
     *   the local H1 interface to respond but not those at the remote
     *   end of the powerline;
     *
     *   the default address is 00:B0:52:00:00:01; omitting the address
     *   will automatically address the local device; some options will
     *   cancel themselves if this makes no sense;
     *
     *   the default interface is eth1 because most people use eth0 as
     *   their principle network connection; you can specify another
     *   interface with -i or define environment string PLC to make
     *   that the default interface and save typing;
     *
     *
     *--------------------------------------------------------------------*/

    int main (int argc, char const * argv [])

    {
    	extern struct channel channel;
    	static char const * optv [] =
    	{
    		"ehi:p:qst:vx",
    		"node peer [> stdout]",
    		"Qualcomm Atheros Thunderbolt/Lightning Tone Map Dump",
    		"e\tredirect stderr to stdout",
    		"h\tprint mean-square histogram",

    #if defined (WINPCAP) || defined (LIBPCAP)

    		"i n\thost interface is (n) [" LITERAL (CHANNEL_ETHNUMBER) "]",

    #else

    		"i s\thost interface is (s) [" LITERAL (CHANNEL_ETHDEVICE) "]",

    #endif

    		"p n\tcoupling [" LITERAL (PLCOUPLING) "]",
    		"q\tquiet mode",
    		"s\tcompute signal-to-noise and bits-per-carrier ratios",
    		"t n\tread timeout is (n) milliseconds [" LITERAL (CHANNEL_TIMEOUT) "]",
    		"v\tverbose mode",
    		"x\texit on error",
    		(char const *) (0)
    	};

    #include "../plc/plc.c"

    	signed (* function) (struct plc *) = ToneMaps2;
    	signed c;
    	plc.action = PLCOUPLING;
    	if (getenv (PLCDEVICE))
    	{

    #if defined (WINPCAP) || defined (LIBPCAP)

    		channel.ifindex = atoi (getenv (PLCDEVICE));

    #else

    		channel.ifname = strdup (getenv (PLCDEVICE));

    #endif

    	}
    	optind = 1;
    	while ((c = getoptv (argc, argv, optv)) != -1)
    	{
    		switch (c)
    		{
    		case 'p':
    			plc.coupling = (unsigned)(uintspec (synonym (optarg, couple, SIZEOF (couple)), 0, UCHAR_MAX));
    			break;
    		case 'e':
    			dup2 (STDOUT_FILENO, STDERR_FILENO);
    			break;
    		case 'h':
    			_setbits (plc.flags, PLC_GRAPH);
    			break;
    		case 'i':

    #if defined (WINPCAP) || defined (LIBPCAP)

    			channel.ifindex = atoi (optarg);

    #else

    			channel.ifname = optarg;

    #endif

    			break;
    		case 'q':
    			_setbits (channel.flags, CHANNEL_SILENCE);
    			_setbits (plc.flags, PLC_SILENCE);
    			break;
    		case 's':
    			_setbits (plc.flags, PLC_ANALYSE);
    			function = SignalToNoise2;
    			break;
    		case 't':
    			channel.timeout = (signed)(uintspec (optarg, 0, UINT_MAX));
    			break;
    		case 'v':
    			_setbits (channel.flags, CHANNEL_VERBOSE);
    			_setbits (plc.flags, PLC_VERBOSE);
    			break;
    		case 'x':
    			_setbits (plc.flags, PLC_BAILOUT);
    			break;
    		default:
    			break;
    		}
    	}
    	argc -= optind;
    	argv += optind;
    	if (!argc || !argv)
    	{
    		error (1, ECANCELED, "No node address given");
    	}
    	if (!hexencode (channel.peer, sizeof (channel.peer), synonym (* argv, devices, SIZEOF (devices))))
    	{
    		error (1, errno, PLC_BAD_MAC, * argv);
    	}
    	argc--;
    	argv++;
    	if (!argc || !argv)
    	{
    		error (1, ECANCELED, "No peer address given");
    	}
    	if (!hexencode (plc.RDA, sizeof (plc.RDA), synonym (* argv, devices, SIZEOF (devices))))
    	{
    		error (1, errno, PLC_BAD_MAC, * argv);
    	}
    	argc--;
    	argv++;
    	openchannel (&channel);
    	if (!(plc.message = malloc (sizeof (* plc.message))))
    	{
    		error (1, errno, PLC_NOMEMORY);
    	}
    	function (&plc);
    	free (plc.message);
    	closechannel (&channel);
    	return (0);
    }

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