www.pudn.com > TCPmodbushy.rar > stats.h

/* 
 * 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  
 * 
 */ 
#ifndef __LWIP_STATS_H__ 
#define __LWIP_STATS_H__ 
 
#include "o:/lwip/opt.h" 
#include "o:/arch/cc.h" 
 
#include "o:/lwip/mem.h" 
#include "o:/lwip/memp.h" 
 
#if LWIP_STATS 
 
struct stats_proto { 
  u16_t xmit;    /* Transmitted packets. */ 
  u16_t rexmit;  /* Retransmitted packets. */ 
  u16_t recv;    /* Received packets. */ 
  u16_t fw;      /* Forwarded packets. */ 
  u16_t drop;    /* Dropped packets. */ 
  u16_t chkerr;  /* Checksum error. */ 
  u16_t lenerr;  /* Invalid length error. */ 
  u16_t memerr;  /* Out of memory error. */ 
  u16_t rterr;   /* Routing error. */ 
  u16_t proterr; /* Protocol error. */ 
  u16_t opterr;  /* Error in options. */ 
  u16_t err;     /* Misc error. */ 
  u16_t cachehit; 
}; 
 
struct stats_mem { 
  mem_size_t avail; 
  mem_size_t used; 
  mem_size_t max;   
  mem_size_t err; 
}; 
 
struct stats_pbuf { 
  u16_t avail; 
  u16_t used; 
  u16_t max;   
  u16_t err; 
 
  u16_t alloc_locked; 
  u16_t refresh_locked; 
}; 
 
struct stats_syselem { 
  u16_t used; 
  u16_t max; 
  u16_t err; 
}; 
 
struct stats_sys { 
  struct stats_syselem sem; 
  struct stats_syselem mbox; 
}; 
 
struct stats_ { 
  struct stats_proto link; 
  struct stats_proto ip_frag; 
  struct stats_proto ip; 
  struct stats_proto icmp; 
  struct stats_proto udp; 
  struct stats_proto tcp; 
  struct stats_pbuf pbuf; 
  struct stats_mem mem; 
  struct stats_mem memp[MEMP_MAX]; 
  struct stats_sys sys; 
}; 
 
extern struct stats_ lwip_stats; 
 
 
void stats_init(void); 
 
#define STATS_INC(x) ++lwip_stats.x 
#else 
#define stats_init() 
#define STATS_INC(x) 
#endif /* LWIP_STATS */ 
 
#if TCP_STATS 
#define TCP_STATS_INC(x) STATS_INC(x) 
#else 
#define TCP_STATS_INC(x) 
#endif 
 
#if UDP_STATS 
#define UDP_STATS_INC(x) STATS_INC(x) 
#else 
#define UDP_STATS_INC(x) 
#endif 
 
#if ICMP_STATS 
#define ICMP_STATS_INC(x) STATS_INC(x) 
#else 
#define ICMP_STATS_INC(x) 
#endif 
 
#if IP_STATS 
#define IP_STATS_INC(x) STATS_INC(x) 
#else 
#define IP_STATS_INC(x) 
#endif 
 
#if IPFRAG_STATS 
#define IPFRAG_STATS_INC(x) STATS_INC(x) 
#else 
#define IPFRAG_STATS_INC(x) 
#endif 
 
#if LINK_STATS 
#define LINK_STATS_INC(x) STATS_INC(x) 
#else 
#define LINK_STATS_INC(x) 
#endif 
 
/* Display of statistics */ 
#if LWIP_STATS_DISPLAY 
void stats_display(void); 
#else 
#define stats_display() 
#endif 
 
#endif /* __LWIP_STATS_H__ */