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stats.h

00001 /*
00002  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
00003  * All rights reserved. 
00004  * 
00005  * Redistribution and use in source and binary forms, with or without modification, 
00006  * are permitted provided that the following conditions are met:
00007  *
00008  * 1. Redistributions of source code must retain the above copyright notice,
00009  *    this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright notice,
00011  *    this list of conditions and the following disclaimer in the documentation
00012  *    and/or other materials provided with the distribution.
00013  * 3. The name of the author may not be used to endorse or promote products
00014  *    derived from this software without specific prior written permission. 
00015  *
00016  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
00017  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
00018  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
00019  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
00020  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
00021  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
00022  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
00023  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
00024  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
00025  * OF SUCH DAMAGE.
00026  *
00027  * This file is part of the lwIP TCP/IP stack.
00028  * 
00029  * Author: Adam Dunkels <adam@sics.se>
00030  *
00031  */
00032 #ifndef __LWIP_STATS_H__
00033 #define __LWIP_STATS_H__
00034 
00035 #include "lwip/opt.h"
00036 
00037 #include "lwip/mem.h"
00038 #include "lwip/memp.h"
00039 
00040 #ifdef __cplusplus
00041 extern "C" {
00042 #endif
00043 
00044 #if LWIP_STATS
00045 
00046 #ifndef LWIP_STATS_LARGE
00047 #define LWIP_STATS_LARGE 0
00048 #endif
00049 
00050 #if LWIP_STATS_LARGE
00051 #define STAT_COUNTER     u32_t
00052 #define STAT_COUNTER_F   U32_F
00053 #else
00054 #define STAT_COUNTER     u16_t
00055 #define STAT_COUNTER_F   U16_F
00056 #endif 
00057 
00058 struct stats_proto {
00059   STAT_COUNTER xmit;             /* Transmitted packets. */
00060   STAT_COUNTER recv;             /* Received packets. */
00061   STAT_COUNTER fw;               /* Forwarded packets. */
00062   STAT_COUNTER drop;             /* Dropped packets. */
00063   STAT_COUNTER chkerr;           /* Checksum error. */
00064   STAT_COUNTER lenerr;           /* Invalid length error. */
00065   STAT_COUNTER memerr;           /* Out of memory error. */
00066   STAT_COUNTER rterr;            /* Routing error. */
00067   STAT_COUNTER proterr;          /* Protocol error. */
00068   STAT_COUNTER opterr;           /* Error in options. */
00069   STAT_COUNTER err;              /* Misc error. */
00070   STAT_COUNTER cachehit;
00071 };
00072 
00073 struct stats_igmp {
00074   STAT_COUNTER xmit;             /* Transmitted packets. */
00075   STAT_COUNTER recv;             /* Received packets. */
00076   STAT_COUNTER drop;             /* Dropped packets. */
00077   STAT_COUNTER chkerr;           /* Checksum error. */
00078   STAT_COUNTER lenerr;           /* Invalid length error. */
00079   STAT_COUNTER memerr;           /* Out of memory error. */
00080   STAT_COUNTER proterr;          /* Protocol error. */
00081   STAT_COUNTER rx_v1;            /* Received v1 frames. */
00082   STAT_COUNTER rx_group;         /* Received group-specific queries. */
00083   STAT_COUNTER rx_general;       /* Received general queries. */
00084   STAT_COUNTER rx_report;        /* Received reports. */
00085   STAT_COUNTER tx_join;          /* Sent joins. */
00086   STAT_COUNTER tx_leave;         /* Sent leaves. */
00087   STAT_COUNTER tx_report;        /* Sent reports. */
00088 };
00089 
00090 struct stats_mem {
00091 #ifdef LWIP_DEBUG
00092   const char *name;
00093 #endif /* LWIP_DEBUG */
00094   mem_size_t avail;
00095   mem_size_t used;
00096   mem_size_t max;
00097   STAT_COUNTER err;
00098   STAT_COUNTER illegal;
00099 };
00100 
00101 struct stats_syselem {
00102   STAT_COUNTER used;
00103   STAT_COUNTER max;
00104   STAT_COUNTER err;
00105 };
00106 
00107 struct stats_sys {
00108   struct stats_syselem sem;
00109   struct stats_syselem mutex;
00110   struct stats_syselem mbox;
00111 };
00112 
00113 struct stats_ {
00114 #if LINK_STATS
00115   struct stats_proto link;
00116 #endif
00117 #if ETHARP_STATS
00118   struct stats_proto etharp;
00119 #endif
00120 #if IPFRAG_STATS
00121   struct stats_proto ip_frag;
00122 #endif
00123 #if IP_STATS
00124   struct stats_proto ip;
00125 #endif
00126 #if ICMP_STATS
00127   struct stats_proto icmp;
00128 #endif
00129 #if IGMP_STATS
00130   struct stats_igmp igmp;
00131 #endif
00132 #if UDP_STATS
00133   struct stats_proto udp;
00134 #endif
00135 #if TCP_STATS
00136   struct stats_proto tcp;
00137 #endif
00138 #if MEM_STATS
00139   struct stats_mem mem;
00140 #endif
00141 #if MEMP_STATS
00142   struct stats_mem memp[MEMP_MAX];
00143 #endif
00144 #if SYS_STATS
00145   struct stats_sys sys;
00146 #endif
00147 };
00148 
00149 extern struct stats_ lwip_stats;
00150 
00151 void stats_init(void);
00152 
00153 #define STATS_INC(x) ++lwip_stats.x
00154 #define STATS_DEC(x) --lwip_stats.x
00155 #define STATS_INC_USED(x, y) do { lwip_stats.x.used += y; \
00156                                 if (lwip_stats.x.max < lwip_stats.x.used) { \
00157                                     lwip_stats.x.max = lwip_stats.x.used; \
00158                                 } \
00159                              } while(0)
00160 #else /* LWIP_STATS */
00161 #define stats_init()
00162 #define STATS_INC(x)
00163 #define STATS_DEC(x)
00164 #define STATS_INC_USED(x)
00165 #endif /* LWIP_STATS */
00166 
00167 #if TCP_STATS
00168 #define TCP_STATS_INC(x) STATS_INC(x)
00169 #define TCP_STATS_DISPLAY() stats_display_proto(&lwip_stats.tcp, "TCP")
00170 #else
00171 #define TCP_STATS_INC(x)
00172 #define TCP_STATS_DISPLAY()
00173 #endif
00174 
00175 #if UDP_STATS
00176 #define UDP_STATS_INC(x) STATS_INC(x)
00177 #define UDP_STATS_DISPLAY() stats_display_proto(&lwip_stats.udp, "UDP")
00178 #else
00179 #define UDP_STATS_INC(x)
00180 #define UDP_STATS_DISPLAY()
00181 #endif
00182 
00183 #if ICMP_STATS
00184 #define ICMP_STATS_INC(x) STATS_INC(x)
00185 #define ICMP_STATS_DISPLAY() stats_display_proto(&lwip_stats.icmp, "ICMP")
00186 #else
00187 #define ICMP_STATS_INC(x)
00188 #define ICMP_STATS_DISPLAY()
00189 #endif
00190 
00191 #if IGMP_STATS
00192 #define IGMP_STATS_INC(x) STATS_INC(x)
00193 #define IGMP_STATS_DISPLAY() stats_display_igmp(&lwip_stats.igmp)
00194 #else
00195 #define IGMP_STATS_INC(x)
00196 #define IGMP_STATS_DISPLAY()
00197 #endif
00198 
00199 #if IP_STATS
00200 #define IP_STATS_INC(x) STATS_INC(x)
00201 #define IP_STATS_DISPLAY() stats_display_proto(&lwip_stats.ip, "IP")
00202 #else
00203 #define IP_STATS_INC(x)
00204 #define IP_STATS_DISPLAY()
00205 #endif
00206 
00207 #if IPFRAG_STATS
00208 #define IPFRAG_STATS_INC(x) STATS_INC(x)
00209 #define IPFRAG_STATS_DISPLAY() stats_display_proto(&lwip_stats.ip_frag, "IP_FRAG")
00210 #else
00211 #define IPFRAG_STATS_INC(x)
00212 #define IPFRAG_STATS_DISPLAY()
00213 #endif
00214 
00215 #if ETHARP_STATS
00216 #define ETHARP_STATS_INC(x) STATS_INC(x)
00217 #define ETHARP_STATS_DISPLAY() stats_display_proto(&lwip_stats.etharp, "ETHARP")
00218 #else
00219 #define ETHARP_STATS_INC(x)
00220 #define ETHARP_STATS_DISPLAY()
00221 #endif
00222 
00223 #if LINK_STATS
00224 #define LINK_STATS_INC(x) STATS_INC(x)
00225 #define LINK_STATS_DISPLAY() stats_display_proto(&lwip_stats.link, "LINK")
00226 #else
00227 #define LINK_STATS_INC(x)
00228 #define LINK_STATS_DISPLAY()
00229 #endif
00230 
00231 #if MEM_STATS
00232 #define MEM_STATS_AVAIL(x, y) lwip_stats.mem.x = y
00233 #define MEM_STATS_INC(x) STATS_INC(mem.x)
00234 #define MEM_STATS_INC_USED(x, y) STATS_INC_USED(mem, y)
00235 #define MEM_STATS_DEC_USED(x, y) lwip_stats.mem.x -= y
00236 #define MEM_STATS_DISPLAY() stats_display_mem(&lwip_stats.mem, "HEAP")
00237 #else
00238 #define MEM_STATS_AVAIL(x, y)
00239 #define MEM_STATS_INC(x)
00240 #define MEM_STATS_INC_USED(x, y)
00241 #define MEM_STATS_DEC_USED(x, y)
00242 #define MEM_STATS_DISPLAY()
00243 #endif
00244 
00245 #if MEMP_STATS
00246 #define MEMP_STATS_AVAIL(x, i, y) lwip_stats.memp[i].x = y
00247 #define MEMP_STATS_INC(x, i) STATS_INC(memp[i].x)
00248 #define MEMP_STATS_DEC(x, i) STATS_DEC(memp[i].x)
00249 #define MEMP_STATS_INC_USED(x, i) STATS_INC_USED(memp[i], 1)
00250 #define MEMP_STATS_DISPLAY(i) stats_display_memp(&lwip_stats.memp[i], i)
00251 #else
00252 #define MEMP_STATS_AVAIL(x, i, y)
00253 #define MEMP_STATS_INC(x, i)
00254 #define MEMP_STATS_DEC(x, i)
00255 #define MEMP_STATS_INC_USED(x, i)
00256 #define MEMP_STATS_DISPLAY(i)
00257 #endif
00258 
00259 #if SYS_STATS
00260 #define SYS_STATS_INC(x) STATS_INC(sys.x)
00261 #define SYS_STATS_DEC(x) STATS_DEC(sys.x)
00262 #define SYS_STATS_INC_USED(x) STATS_INC_USED(sys.x, 1)
00263 #define SYS_STATS_DISPLAY() stats_display_sys(&lwip_stats.sys)
00264 #else
00265 #define SYS_STATS_INC(x)
00266 #define SYS_STATS_DEC(x)
00267 #define SYS_STATS_INC_USED(x)
00268 #define SYS_STATS_DISPLAY()
00269 #endif
00270 
00271 /* Display of statistics */
00272 #if LWIP_STATS_DISPLAY
00273 void stats_display(void);
00274 void stats_display_proto(struct stats_proto *proto, char *name);
00275 void stats_display_igmp(struct stats_igmp *igmp);
00276 void stats_display_mem(struct stats_mem *mem, char *name);
00277 void stats_display_memp(struct stats_mem *mem, int index);
00278 void stats_display_sys(struct stats_sys *sys);
00279 #else /* LWIP_STATS_DISPLAY */
00280 #define stats_display()
00281 #define stats_display_proto(proto, name)
00282 #define stats_display_igmp(igmp)
00283 #define stats_display_mem(mem, name)
00284 #define stats_display_memp(mem, index)
00285 #define stats_display_sys(sys)
00286 #endif /* LWIP_STATS_DISPLAY */
00287 
00288 #ifdef __cplusplus
00289 }
00290 #endif
00291 
00292 #endif /* __LWIP_STATS_H__ */