Some quick code to use UDP-only (no TCP) with mBed. Echos received packets and sends packets when a button is pressed
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 lenerr; /* Invalid length error. */ 00075 STAT_COUNTER chkerr; /* Checksum error. */ 00076 STAT_COUNTER v1_rxed; /* */ 00077 STAT_COUNTER join_sent; /* */ 00078 STAT_COUNTER leave_sent; /* */ 00079 STAT_COUNTER unicast_query; /* */ 00080 STAT_COUNTER report_sent; /* */ 00081 STAT_COUNTER report_rxed; /* */ 00082 STAT_COUNTER group_query_rxed; /* */ 00083 }; 00084 00085 struct stats_mem { 00086 mem_size_t avail; 00087 mem_size_t used; 00088 mem_size_t max; 00089 STAT_COUNTER err; 00090 STAT_COUNTER illegal; 00091 }; 00092 00093 struct stats_syselem { 00094 STAT_COUNTER used; 00095 STAT_COUNTER max; 00096 STAT_COUNTER err; 00097 }; 00098 00099 struct stats_sys { 00100 struct stats_syselem sem; 00101 struct stats_syselem mbox; 00102 }; 00103 00104 struct stats_ { 00105 #if LINK_STATS 00106 struct stats_proto link; 00107 #endif 00108 #if ETHARP_STATS 00109 struct stats_proto etharp; 00110 #endif 00111 #if IPFRAG_STATS 00112 struct stats_proto ip_frag; 00113 #endif 00114 #if IP_STATS 00115 struct stats_proto ip; 00116 #endif 00117 #if ICMP_STATS 00118 struct stats_proto icmp; 00119 #endif 00120 #if IGMP_STATS 00121 struct stats_igmp igmp; 00122 #endif 00123 #if UDP_STATS 00124 struct stats_proto udp; 00125 #endif 00126 #if TCP_STATS 00127 struct stats_proto tcp; 00128 #endif 00129 #if MEM_STATS 00130 struct stats_mem mem; 00131 #endif 00132 #if MEMP_STATS 00133 struct stats_mem memp[MEMP_MAX]; 00134 #endif 00135 #if SYS_STATS 00136 struct stats_sys sys; 00137 #endif 00138 }; 00139 00140 extern struct stats_ lwip_stats; 00141 00142 #define stats_init() /* Compatibility define, not init needed. */ 00143 00144 #define STATS_INC(x) ++lwip_stats.x 00145 #define STATS_DEC(x) --lwip_stats.x 00146 #else 00147 #define stats_init() 00148 #define STATS_INC(x) 00149 #define STATS_DEC(x) 00150 #endif /* LWIP_STATS */ 00151 00152 #if TCP_STATS 00153 #define TCP_STATS_INC(x) STATS_INC(x) 00154 #define TCP_STATS_DISPLAY() stats_display_proto(&lwip_stats.tcp, "TCP") 00155 #else 00156 #define TCP_STATS_INC(x) 00157 #define TCP_STATS_DISPLAY() 00158 #endif 00159 00160 #if UDP_STATS 00161 #define UDP_STATS_INC(x) STATS_INC(x) 00162 #define UDP_STATS_DISPLAY() stats_display_proto(&lwip_stats.udp, "UDP") 00163 #else 00164 #define UDP_STATS_INC(x) 00165 #define UDP_STATS_DISPLAY() 00166 #endif 00167 00168 #if ICMP_STATS 00169 #define ICMP_STATS_INC(x) STATS_INC(x) 00170 #define ICMP_STATS_DISPLAY() stats_display_proto(&lwip_stats.icmp, "ICMP") 00171 #else 00172 #define ICMP_STATS_INC(x) 00173 #define ICMP_STATS_DISPLAY() 00174 #endif 00175 00176 #if IGMP_STATS 00177 #define IGMP_STATS_INC(x) STATS_INC(x) 00178 #define IGMP_STATS_DISPLAY() stats_display_igmp(&lwip_stats.igmp) 00179 #else 00180 #define IGMP_STATS_INC(x) 00181 #define IGMP_STATS_DISPLAY() 00182 #endif 00183 00184 #if IP_STATS 00185 #define IP_STATS_INC(x) STATS_INC(x) 00186 #define IP_STATS_DISPLAY() stats_display_proto(&lwip_stats.ip, "IP") 00187 #else 00188 #define IP_STATS_INC(x) 00189 #define IP_STATS_DISPLAY() 00190 #endif 00191 00192 #if IPFRAG_STATS 00193 #define IPFRAG_STATS_INC(x) STATS_INC(x) 00194 #define IPFRAG_STATS_DISPLAY() stats_display_proto(&lwip_stats.ip_frag, "IP_FRAG") 00195 #else 00196 #define IPFRAG_STATS_INC(x) 00197 #define IPFRAG_STATS_DISPLAY() 00198 #endif 00199 00200 #if ETHARP_STATS 00201 #define ETHARP_STATS_INC(x) STATS_INC(x) 00202 #define ETHARP_STATS_DISPLAY() stats_display_proto(&lwip_stats.etharp, "ETHARP") 00203 #else 00204 #define ETHARP_STATS_INC(x) 00205 #define ETHARP_STATS_DISPLAY() 00206 #endif 00207 00208 #if LINK_STATS 00209 #define LINK_STATS_INC(x) STATS_INC(x) 00210 #define LINK_STATS_DISPLAY() stats_display_proto(&lwip_stats.link, "LINK") 00211 #else 00212 #define LINK_STATS_INC(x) 00213 #define LINK_STATS_DISPLAY() 00214 #endif 00215 00216 #if MEM_STATS 00217 #define MEM_STATS_AVAIL(x, y) lwip_stats.mem.x = y 00218 #define MEM_STATS_INC(x) STATS_INC(mem.x) 00219 #define MEM_STATS_INC_USED(x, y) do { lwip_stats.mem.used += y; \ 00220 if (lwip_stats.mem.max < lwip_stats.mem.used) { \ 00221 lwip_stats.mem.max = lwip_stats.mem.used; \ 00222 } \ 00223 } while(0) 00224 #define MEM_STATS_DEC_USED(x, y) lwip_stats.mem.x -= y 00225 #define MEM_STATS_DISPLAY() stats_display_mem(&lwip_stats.mem, "HEAP") 00226 #else 00227 #define MEM_STATS_AVAIL(x, y) 00228 #define MEM_STATS_INC(x) 00229 #define MEM_STATS_INC_USED(x, y) 00230 #define MEM_STATS_DEC_USED(x, y) 00231 #define MEM_STATS_DISPLAY() 00232 #endif 00233 00234 #if MEMP_STATS 00235 #define MEMP_STATS_AVAIL(x, i, y) lwip_stats.memp[i].x = y 00236 #define MEMP_STATS_INC(x, i) STATS_INC(memp[i].x) 00237 #define MEMP_STATS_DEC(x, i) STATS_DEC(memp[i].x) 00238 #define MEMP_STATS_INC_USED(x, i) do { ++lwip_stats.memp[i].used; \ 00239 if (lwip_stats.memp[i].max < lwip_stats.memp[i].used) { \ 00240 lwip_stats.memp[i].max = lwip_stats.memp[i].used; \ 00241 } \ 00242 } while(0) 00243 #define MEMP_STATS_DISPLAY(i) stats_display_memp(&lwip_stats.memp[i], i) 00244 #else 00245 #define MEMP_STATS_AVAIL(x, i, y) 00246 #define MEMP_STATS_INC(x, i) 00247 #define MEMP_STATS_DEC(x, i) 00248 #define MEMP_STATS_INC_USED(x, i) 00249 #define MEMP_STATS_DISPLAY(i) 00250 #endif 00251 00252 #if SYS_STATS 00253 #define SYS_STATS_INC(x) STATS_INC(sys.x) 00254 #define SYS_STATS_DEC(x) STATS_DEC(sys.x) 00255 #define SYS_STATS_DISPLAY() stats_display_sys(&lwip_stats.sys) 00256 #else 00257 #define SYS_STATS_INC(x) 00258 #define SYS_STATS_DEC(x) 00259 #define SYS_STATS_DISPLAY() 00260 #endif 00261 00262 /* Display of statistics */ 00263 #if LWIP_STATS_DISPLAY 00264 void stats_display(void); 00265 void stats_display_proto(struct stats_proto *proto, char *name); 00266 void stats_display_igmp(struct stats_igmp *igmp); 00267 void stats_display_mem(struct stats_mem *mem, char *name); 00268 void stats_display_memp(struct stats_mem *mem, int index); 00269 void stats_display_sys(struct stats_sys *sys); 00270 #else 00271 #define stats_display() 00272 #define stats_display_proto(proto, name) 00273 #define stats_display_igmp(igmp) 00274 #define stats_display_mem(mem, name) 00275 #define stats_display_memp(mem, index) 00276 #define stats_display_sys(sys) 00277 #endif /* LWIP_STATS_DISPLAY */ 00278 00279 #ifdef __cplusplus 00280 } 00281 #endif 00282 00283 #endif /* __LWIP_STATS_H__ */
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