ampstat.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.
     *
     *--------------------------------------------------------------------*/

    /*====================================================================*"
     *
     *   ampstat.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/number.h"
    #include "../tools/symbol.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/chipset.c"
    #include "../plc/Confirm.c"
    #include "../plc/Display.c"
    #include "../plc/Failure.c"
    #include "../plc/Request.c"
    #include "../plc/ReadMME.c"
    #include "../plc/SendMME.c"
    #include "../plc/Devices.c"
    #include "../plc/LinkStatistics.c"
    #include "../plc/LocalDevices.c"
    #include "../plc/NetworkInformation.c"
    #include "../plc/NetworkInformation1.c"
    #include "../plc/NetworkInformation2.c"
    #include "../plc/PLCSelect.c"
    #include "../plc/Topology.c"
    #include "../plc/Topology1.c"
    #include "../plc/Topology2.c"
    #include "../plc/Platform.c"
    #include "../plc/WaitForStart.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"
    #include "../tools/typename.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/QualcommHeader.c"
    #include "../mme/QualcommHeader1.c"
    #include "../mme/UnwantedMessage.c"
    #include "../mme/MMECode.c"
    #endif

    /*====================================================================*
     *   program constants;
     *--------------------------------------------------------------------*/

    #define AMPSTAT_LOOP 1
    #define AMPSTAT_WAIT 0

    /*====================================================================*
     *   program constants;
     *--------------------------------------------------------------------*/

    static const struct _term_ linkids [] =

    {
    	{
    		"CSMA-ALL",
    		"0xFC"
    	},
    	{
    		"CSMA-CAP0",
    		"0x00"
    	},
    	{
    		"CSMA-CAP1",
    		"0x01"
    	},
    	{
    		"CSMA-CAP2",
    		"0x02"
    	},
    	{
    		"CSMA-CAP3",
    		"0x03"
    	},
    	{
    		"CSMA-PEER",
    		"0xF8"
    	},
    };

    static const struct _term_ directions [] =

    {
    	{
    		"both",
    		"2"
    	},
    	{
    		"rx",
    		"1"
    	},
    	{
    		"tx",
    		"0"
    	}
    };

    /*====================================================================*
     *
     *   void manager (struct plc * plc);
     *
     *   perform operations in logical order despite any order specfied
     *   on the command line; for example read PIB before writing PIB;
     *
     *   operation order is controlled by the order of "if" statements
     *   shown here; the entire operation sequence can be repeated with
     *   an optional pause between each iteration;
     *
     *
     *--------------------------------------------------------------------*/

    void manager (struct plc * plc, signed count, signed pause)

    {
    	while (count--)
    	{
    		if (_anyset (plc->flags, PLC_ANALYSE))
    		{
    			Topology2 (plc);
    		}
    		if (_anyset (plc->flags, PLC_NETWORK))
    		{
    			NetworkInformation2 (plc);
    		}
    		if (_anyset (plc->flags, PLC_LINK_STATS))
    		{
    			LinkStatistics (plc);
    		}
    		sleep (pause);
    	}
    	return;
    }

    /*====================================================================*
     *
     *   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 [] =
    	{
    		"Cd:ei:l:mp:qs:tvw:",
    		"device [device] [...] [> stdout]",
    		"Qualcomm Atheros AR7x00 Link Statistics",

    #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

    		"C\tclear statistics without reading using VS_LNK_STATS",
    		"d n\tdirection (0=tx, 1=rx, 2=both) for VS_LNK_STATS",
    		"e\tredirect stderr to stdout",
    		"l n\tloop n times [" LITERAL (AMPSTAT_LOOP) "]",
    		"s n\tLink ID for VS_LNK_STATS (see Programmer's Guide)",
    		"m\tprint network membership information using VS_NW_INFO",
    		"p x\tpeer node address for options -s",
    		"q\tquiet mode",
    		"t\tprint network topology using VS_NW_INFO with VS_SW_VER",
    		"v\tverbose mode",
    		"w n\twait n seconds [" LITERAL (AMPSTAT_WAIT) "]",
    		(char const *) (0)
    	};

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

    	signed loop = AMPSTAT_LOOP;
    	signed wait = AMPSTAT_WAIT;
    	signed c;
    	if (getenv (PLCDEVICE))
    	{

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

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

    #else

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

    #endif

    	}
    	optind = 1;
    	plc.pushbutton = 0;
    	while ((c = getoptv (argc, argv, optv)) != -1)
    	{
    		switch (c)
    		{
    		case 'C':
    			_setbits (plc.flags, PLC_LINK_STATS);
    			plc.pushbutton = 1;
    			break;
    		case 'd':
    			_setbits (plc.flags, PLC_LINK_STATS);
    			plc.module = (uint8_t)(uintspec (synonym (optarg, directions, SIZEOF (directions)), 0, UCHAR_MAX));
    			break;
    		case 'e':
    			dup2 (STDOUT_FILENO, STDERR_FILENO);
    			break;
    		case 'i':

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

    			channel.ifindex = atoi (optarg);

    #else

    			channel.ifname = optarg;

    #endif

    			break;
    		case 'm':
    			_setbits (plc.flags, PLC_NETWORK);
    			break;
    		case 'p':
    			_setbits (plc.flags, PLC_LINK_STATS);
    			if (!hexencode (plc.RDA, sizeof (plc.RDA), (char const *)(optarg)))
    			{
    				error (1, errno, PLC_BAD_MAC, optarg);
    			}
    			break;
    		case 'l':
    			loop = (unsigned)(uintspec (optarg, 0, UINT_MAX));
    			break;
    		case 'q':
    			_setbits (channel.flags, CHANNEL_SILENCE);
    			_setbits (plc.flags, PLC_SILENCE);
    			break;
    		case 's':
    			_setbits (plc.flags, PLC_LINK_STATS);
    			plc.action = (uint8_t)(uintspec (synonym (optarg, linkids, SIZEOF (linkids)), 0, UCHAR_MAX));
    			break;
    		case 't':
    			_setbits (plc.flags, PLC_ANALYSE);
    			break;
    		case 'v':
    			_setbits (channel.flags, CHANNEL_VERBOSE);
    			_setbits (plc.flags, PLC_VERBOSE);
    			break;
    		case 'w':
    			wait = (unsigned)(uintspec (optarg, 0, 3600));
    			break;
    		default:
    			break;
    		}
    	}
    	argc -= optind;
    	argv += optind;
    	openchannel (&channel);
    	if (!(plc.message = malloc (sizeof (* plc.message))))
    	{
    		error (1, errno, PLC_NOMEMORY);
    	}
    	if (!argc)
    	{
    		manager (&plc, loop, wait);
    	}
    	while ((argc) && (* argv))
    	{
    		if (!hexencode (channel.peer, sizeof (channel.peer), synonym (* argv, devices, SIZEOF (devices))))
    		{
    			error (1, errno, PLC_BAD_MAC, * argv);
    		}
    		manager (&plc, loop, wait);
    		argc--;
    		argv++;
    	}
    	free (plc.message);
    	closechannel (&channel);
    	return (0);
    }

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