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

    /*====================================================================*
     *
     *   coqos_rel.c - Release MCSMA stream
     *
     *
     *
     *   Contributor(s):
     *	Bill Wike <bill.wike@qca.qualcomm.com>
     *	Nathaniel Houghton <nhoughto@qca.qualcomm.com>
     *      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 "../tools/getoptv.c"
    #include "../tools/putoptv.c"
    #include "../tools/version.c"
    #include "../tools/hexdump.c"
    #include "../tools/hexencode.c"
    #include "../tools/bytespec.c"
    #include "../tools/ipv4spec.c"
    #include "../tools/ipv6spec.c"
    #include "../tools/hexdecode.c"
    #include "../tools/todigit.c"
    #include "../tools/typename.c"
    #include "../tools/error.c"
    #include "../tools/synonym.c"
    #endif

    #ifndef MAKEFILE
    #include "../plc/Request.c"
    #include "../plc/Confirm.c"
    #include "../plc/Failure.c"
    #include "../plc/Display.c"
    #include "../plc/ReadMME.c"
    #include "../plc/SendMME.c"
    #include "../plc/Devices.c"
    #include "../mme/EthernetHeader.c"
    #include "../mme/QualcommHeader.c"
    #include "../mme/UnwantedMessage.c"
    #endif

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

    #ifndef MAKEFILE
    #include "../mme/MMECode.c"
    #endif

    /*====================================================================*
     *
     *   signed rel_conn (struct plc * plc, uint16_t CID);
     *
     *
     *
     *   Contributor(s):
     *	Bill Wike <bill.wike@qca.qualcomm.com>
     *
     *--------------------------------------------------------------------*/

    signed rel_conn (struct plc * plc, uint16_t CID)

    {
    	struct channel * channel = (struct channel *)(plc->channel);
    	struct message * message = (struct message *)(plc->message);

    #ifndef __GNUC__
    #pragma pack (push,1)
    #endif

    	struct __packed vs_rel_conn_req
    	{
    		struct ethernet_hdr ethernet;
    		struct qualcomm_hdr qualcomm;
    		uint32_t REQ_ID;
    		uint32_t RSVD;
    		uint16_t CID;
    	}
    	* request = (struct vs_rel_conn_req *)(message);
    	struct __packed vs_rel_conn_cnf
    	{
    		struct ethernet_hdr ethernet;
    		struct qualcomm_hdr qualcomm;
    		uint32_t REQ_ID;
    		uint8_t MSTATUS;
    		uint16_t ERR_REC_CODE;
    		uint32_t RSVD;
    	}
    	* confirm = (struct vs_rel_conn_cnf *)(message);

    #ifndef __GNUC__
    #pragma pack (pop)
    #endif

    	Request (plc, "Release COQOS connection");
    	memset (message, 0, sizeof (* message));
    	EthernetHeader (&request->ethernet, channel->peer, channel->host, channel->type);
    	QualcommHeader (&request->qualcomm, 0, (VS_CONN_REL | MMTYPE_REQ));
    	plc->packetsize = (ETHER_MIN_LEN - ETHER_CRC_LEN);
    	request->CID = CID;
    	if (SendMME (plc) <= 0)
    	{
    		error (PLC_EXIT (plc), errno, CHANNEL_CANTSEND);
    		return (-1);
    	}
    	while (ReadMME (plc, 0, (VS_CONN_REL | MMTYPE_CNF)) > 0)
    	{
    		if (confirm->MSTATUS)
    		{
    			Failure (plc, PLC_WONTDOIT);
    			return (-1);
    		}
    		Confirm (plc, "Released %04X", CID);
    	}
    	return (0);
    }

    /*====================================================================*
     *
     *   int main (int argc, char const * argv[]);
     *
     *
     *--------------------------------------------------------------------*/

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

    {
    	extern struct channel channel;
    	static char const * optv [] =
    	{
    		"ei:qv",
    		"cid",
    		"CoQos Stream Utility",
    		"e\tredirect stderr to stdout",

    #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

    		"q\tquiet mode",
    		"v\tverbose mode",
    		(char const *) (0)
    	};

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

    	uint16_t cid;
    	signed c;
    	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 '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 'q':
    			_setbits (channel.flags, CHANNEL_SILENCE);
    			_setbits (plc.flags, PLC_SILENCE);
    			break;
    		case 'v':
    			_setbits (channel.flags, CHANNEL_VERBOSE);
    			_setbits (plc.flags, PLC_VERBOSE);
    			break;
    		default:
    			break;
    		}
    	}
    	argc -= optind;
    	argv += optind;
    	if (!argc)
    	{
    		error (1, ECANCELED, "Missing CID");
    	}
    	if (!hexencode ((uint8_t *)(&cid), sizeof (cid), * argv++))
    	{
    		error (1, EINVAL, "CID=[%s]", *--argv);
    	}
    	cid = htons (cid);
    	argc--;
    	openchannel (&channel);
    	if (!(plc.message = malloc (sizeof (* plc.message))))
    	{
    		error (1, errno, PLC_NOMEMORY);
    	}
    	if (!argc)
    	{
    		rel_conn (&plc, cid);
    	}
    	while ((argc) && (* argv))
    	{
    		if (!hexencode (channel.peer, sizeof (channel.peer), synonym (* argv, devices, SIZEOF (devices))))
    		{
    			error (1, errno, PLC_BAD_MAC, * argv);
    		}
    		rel_conn (&plc, cid);
    		argc--;
    		argv++;
    	}
    	free (plc.message);
    	closechannel (&channel);
    	exit (0);
    }

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