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/*
 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
 * All rights reserved. 
 * 
 * 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. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 *
 * This file is part of the lwIP TCP/IP stack.
 * 
 * Author: Adam Dunkels <adam@sics.se>
 *
 */
 
#include <string.h>
 
#include "lwip/opt.h"
 
#include "lwip/def.h"
 
#include "lwip/stats.h"
#include "lwip/mem.h"
 
 
#if LWIP_STATS
struct stats_ lwip_stats;
 
void
stats_init(void)
{
  memset(&lwip_stats, 0, sizeof(struct stats_));
}
#if LWIP_STATS_DISPLAY
void
stats_display_proto(struct stats_proto *proto, char *name)
{
  LWIP_PLATFORM_DIAG(("\n%s\n\t", name));
  LWIP_PLATFORM_DIAG(("xmit: %"S16_F"\n\t", proto->xmit)); 
  LWIP_PLATFORM_DIAG(("rexmit: %"S16_F"\n\t", proto->rexmit)); 
  LWIP_PLATFORM_DIAG(("recv: %"S16_F"\n\t", proto->recv)); 
  LWIP_PLATFORM_DIAG(("fw: %"S16_F"\n\t", proto->fw)); 
  LWIP_PLATFORM_DIAG(("drop: %"S16_F"\n\t", proto->drop)); 
  LWIP_PLATFORM_DIAG(("chkerr: %"S16_F"\n\t", proto->chkerr)); 
  LWIP_PLATFORM_DIAG(("lenerr: %"S16_F"\n\t", proto->lenerr)); 
  LWIP_PLATFORM_DIAG(("memerr: %"S16_F"\n\t", proto->memerr)); 
  LWIP_PLATFORM_DIAG(("rterr: %"S16_F"\n\t", proto->rterr)); 
  LWIP_PLATFORM_DIAG(("proterr: %"S16_F"\n\t", proto->proterr)); 
  LWIP_PLATFORM_DIAG(("opterr: %"S16_F"\n\t", proto->opterr)); 
  LWIP_PLATFORM_DIAG(("err: %"S16_F"\n\t", proto->err)); 
  LWIP_PLATFORM_DIAG(("cachehit: %"S16_F"\n", proto->cachehit)); 
}
 
void
stats_display_pbuf(struct stats_pbuf *pbuf)
{
  LWIP_PLATFORM_DIAG(("\nPBUF\n\t"));
  LWIP_PLATFORM_DIAG(("avail: %"S16_F"\n\t", pbuf->avail)); 
  LWIP_PLATFORM_DIAG(("used: %"S16_F"\n\t", pbuf->used)); 
  LWIP_PLATFORM_DIAG(("max: %"S16_F"\n\t", pbuf->max)); 
  LWIP_PLATFORM_DIAG(("err: %"S16_F"\n\t", pbuf->err)); 
  LWIP_PLATFORM_DIAG(("alloc_locked: %"S16_F"\n\t", pbuf->alloc_locked)); 
  LWIP_PLATFORM_DIAG(("refresh_locked: %"S16_F"\n", pbuf->refresh_locked)); 
}
 
void
stats_display_mem(struct stats_mem *mem, char *name)
{
  LWIP_PLATFORM_DIAG(("\n MEM %s\n\t", name));
  LWIP_PLATFORM_DIAG(("avail: %"S16_F"\n\t", mem->avail)); 
  LWIP_PLATFORM_DIAG(("used: %"S16_F"\n\t", mem->used)); 
  LWIP_PLATFORM_DIAG(("max: %"S16_F"\n\t", mem->max)); 
  LWIP_PLATFORM_DIAG(("err: %"S16_F"\n", mem->err));
 
}
 
void
stats_display(void)
{
  s16_t i;
  char * memp_names[] = {"PBUF", "RAW_PCB", "UDP_PCB", "TCP_PCB", "TCP_PCB_LISTEN",
	  		"TCP_SEG", "NETBUF", "NETCONN", "API_MSG", "TCP_MSG", "TIMEOUT"};
  stats_display_proto(&lwip_stats.link, "LINK");
  stats_display_proto(&lwip_stats.ip_frag, "IP_FRAG");
  stats_display_proto(&lwip_stats.ip, "IP");
  stats_display_proto(&lwip_stats.icmp, "ICMP");
  stats_display_proto(&lwip_stats.udp, "UDP");
  stats_display_proto(&lwip_stats.tcp, "TCP");
  stats_display_pbuf(&lwip_stats.pbuf);
  stats_display_mem(&lwip_stats.mem, "HEAP");
  for (i = 0; i < MEMP_MAX; i++) {
    stats_display_mem(&lwip_stats.memp[i], memp_names[i]);
  }
 
}
#endif /* LWIP_STATS_DISPLAY */
#endif /* LWIP_STATS */