nuttx/net/tcp/tcp_wrbuffer_dump.c

/****************************************************************************
 * net/tcp/tcp_wrbuffer_dump.c
 *
 *   Copyright (C) 2014 Gregory Nutt. All rights reserved.
 *   Author: Gregory Nutt <gnutt@nuttx.org>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 * 3. Neither the name NuttX nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * 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.
 *
 ****************************************************************************/

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <nuttx/config.h>

#include <stdint.h>
#include <debug.h>

#include <nuttx/net/iob.h>

#include "tcp/tcp.h"

#ifdef CONFIG_DEBUG

/****************************************************************************
 * Pre-processor definitions
 ****************************************************************************/

/* Select the lowest level debug interface available */

#ifdef CONFIG_CPP_HAVE_VARARGS
#  ifdef CONFIG_ARCH_LOWPUTC
#    define message(format, ...) lowsyslog(format, ##__VA_ARGS__)
#  else
#    define message(format, ...) syslog(format, ##__VA_ARGS__)
#  endif
#else
#  ifdef CONFIG_ARCH_LOWPUTC
#    define message lowsyslog
#  else
#    define message syslog
#  endif
#endif

/****************************************************************************
 * Public Functions
 ****************************************************************************/

/****************************************************************************
 * Name: tcp_wrbuffer_dump
 *
 * Description:
 *  Dump the contents of a write buffer
 *
 ****************************************************************************/

void tcp_wrbuffer_dump(FAR const char *msg, FAR struct tcp_wrbuffer_s *wrb,
                       unsigned int len, unsigned int offset)
{
  message("%s: wrb=%p segno=%d sent=%d nrtx=%d\n",
          msg, wrb, WRB_SEQNO(wrb), WRB_SENT(wrb), WRB_NRTX(wrb));
  iob_dump("I/O Buffer Chain", WRB_IOB(wrb), len, offset);
}

#endif /* CONFIG_DEBUG */