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

    /*====================================================================*
     *
     *   ssize_t sendpacket (struct channel const * channel, void * memory, ssize_t extent);
     *
     *   channel.h
     *
     *   send one packet over a raw packet channel; return the number of
     *   bytes sent or -1 on error; dump outgoing packets on stdout when
     *   the VERBOSE flag is set;
     *
     *
     *   Contributor(s):
     *	Charles Maier <cmaier@qca.qualcomm.com>
     *	Nathaniel Houghton <nhoughto@qca.qualcomm.com>
     *
     *--------------------------------------------------------------------*/

    #ifndef SENDPACKET_SOURCE
    #define SENDPACKET_SOURCE

    #include <unistd.h>

    #include "../ether/channel.h"
    #include "../tools/memory.h"
    #include "../tools/flags.h"

    ssize_t sendpacket (struct channel const * channel, void * memory, ssize_t extent)

    {
    	if (_anyset (channel->flags, CHANNEL_VERBOSE))
    	{
    		hexdump (memory, 0, extent, stdout);
    	}

    #if defined (__linux__)

    	extent = sendto (channel->fd, memory, extent, 0, (struct sockaddr *) (0), (socklen_t) (0));

    #elif defined (__APPLE__) || defined (__OpenBSD__)

    	extent = write (channel->fd, memory, extent);

    #elif defined (WINPCAP) || defined (LIBPCAP)

    	if (pcap_sendpacket (channel->socket, (byte *)(memory), extent))
    	{
    		extent = -1;
    	}

    #else
    #error "Unknown Environment"
    #endif

    	return (extent);
    }

    #endif

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