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.
   *
   *--------------------------------------------------------------------*/
  
  /*====================================================================*"
   *
   *   ampstat.c -
   *
   *
   *   Contributor(s):
   *      Charles Maier
   *
   *--------------------------------------------------------------------*/
  
  
  /*====================================================================*"
   *   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 "../tools/permissions.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"
  #include "../tools/desuid.c"
  #endif
  
  #ifndef MAKEFILE
  #include "../ether/initchannel.c"
  #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;
  
  	initchannel (&channel);
  	desuid ();
  
  	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);
  }
  
  