1/*- 2 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification. 11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 12 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 13 * redistribution must be conditioned upon including a substantially 14 * similar Disclaimer requirement for further binary redistribution. 15 * 16 * NO WARRANTY 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 20 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 22 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 27 * THE POSSIBILITY OF SUCH DAMAGES. 28 * 29 * $FreeBSD$ 30 */ 31 32/* 33 * Simple Atheros-specific tool to inspect and monitor network traffic 34 * statistics. 35 * 36 * athstats [-i interface] [-bz] [-l] [-o fmtstring] [interval] 37 * 38 * (default interface is ath0). If interval is specified a rolling output 39 * a la netstat -i is displayed every interval seconds. The format of 40 * the rolling display can be controlled a la ps. The -l option will 41 * print a list of all possible statistics for use with the -o option. 42 */ 43 44#include <stdio.h> 45#include <stdlib.h> 46#include <signal.h> 47#include <unistd.h> 48#include <string.h> 49#include <err.h> 50 51#include "athstats.h" 52 53static struct { 54 const char *tag; 55 const char *fmt; 56} tags[] = { 57 { "default", 58 "input,output,altrate,short,long,xretry,crcerr,crypt,phyerr,rssi,rate" 59 }, 60 { "ani", 61 "avgbrssi,avgrssi,avgtxrssi,NI,SI,step,owsd,cwst,NI+,NI-,SI+,SI-,OFDM,CCK,LISTEN" 62 }, 63 { "tdma", 64 "input,output,bexmit,tdmau,tdmadj,crcerr,phyerr,phytor,rssi,noise,rate" 65 }, 66}; 67 68static const char * 69getfmt(const char *tag) 70{ 71#define N(a) (sizeof(a)/sizeof(a[0])) 72 int i; 73 for (i = 0; i < N(tags); i++) 74 if (strcasecmp(tags[i].tag, tag) == 0) 75 return tags[i].fmt; 76 return tag; 77#undef N 78} 79 80static int signalled; 81 82static void 83catchalarm(int signo __unused) 84{ 85 signalled = 1; 86} 87 88int 89main(int argc, char *argv[]) 90{ 91 struct athstatfoo *wf; 92 const char *ifname; 93 int c, banner = 1; 94 95 ifname = getenv("ATH"); 96 if (ifname == NULL) 97 ifname = "ath0"; 98 wf = athstats_new(ifname, getfmt("default")); 99 while ((c = getopt(argc, argv, "bi:lo:z")) != -1) { 100 switch (c) { 101 case 'b': 102 banner = 0; 103 break; 104 case 'i': 105 wf->setifname(wf, optarg); 106 break; 107 case 'l': 108 wf->print_fields(wf, stdout); 109 return 0; 110 case 'o': 111 wf->setfmt(wf, getfmt(optarg)); 112 break; 113 case 'z': 114 wf->zerostats(wf); 115 break; 116 default: 117 errx(-1, "usage: %s [-a] [-i ifname] [-l] [-o fmt] [-z] [interval]\n", argv[0]); 118 /*NOTREACHED*/ 119 } 120 } 121 argc -= optind; 122 argv += optind; 123 124 if (argc > 0) { 125 u_long interval = strtoul(argv[0], NULL, 0); 126 int line, omask; 127 128 if (interval < 1) 129 interval = 1; 130 signal(SIGALRM, catchalarm); 131 signalled = 0; 132 alarm(interval); 133 banner: 134 if (banner) 135 wf->print_header(wf, stdout); 136 line = 0; 137 loop: 138 if (line != 0) { 139 wf->collect_cur(wf); 140 wf->print_current(wf, stdout); 141 wf->update_tot(wf); 142 } else { 143 wf->collect_tot(wf); 144 wf->print_total(wf, stdout); 145 } 146 fflush(stdout); 147 omask = sigblock(sigmask(SIGALRM)); 148 if (!signalled) 149 sigpause(0); 150 sigsetmask(omask); 151 signalled = 0; 152 alarm(interval); 153 line++; 154 if (line == 21) /* XXX tty line count */ 155 goto banner; 156 else 157 goto loop; 158 /*NOTREACHED*/ 159 } else { 160 wf->collect_tot(wf); 161 wf->print_verbose(wf, stdout); 162 } 163 return 0; 164} 165