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 <sys/param.h> 45 46 #include <err.h> 47 #include <signal.h> 48 #include <stdio.h> 49 #include <stdlib.h> 50 #include <string.h> 51 #include <unistd.h> 52 53 #include "athstats.h" 54 55 static struct { 56 const char *tag; 57 const char *fmt; 58 } tags[] = { 59 { "default", 60 "input,output,altrate,short,long,xretry,crcerr,crypt,phyerr,rssi,rate" 61 }, 62 { "ani", 63 "avgbrssi,avgrssi,avgtxrssi,NI,SI,step,owsd,cwst,NI+,NI-,SI+,SI-,OFDM,CCK,LISTEN" 64 }, 65 { "tdma", 66 "input,output,bexmit,tdmau,tdmadj,crcerr,phyerr,phytor,rssi,noise,rate" 67 }, 68 { "beacon", 69 "bstuck,bmiss,bexmit,beacons,bmisscount,reset,ofdm,cck,input,output" 70 }, 71 }; 72 73 static const char * 74 getfmt(const char *tag) 75 { 76 int i; 77 for (i = 0; i < nitems(tags); i++) 78 if (strcasecmp(tags[i].tag, tag) == 0) 79 return tags[i].fmt; 80 return tag; 81 } 82 83 static int signalled; 84 85 static void 86 catchalarm(int signo __unused) 87 { 88 signalled = 1; 89 } 90 91 int 92 main(int argc, char *argv[]) 93 { 94 struct athstatfoo *wf; 95 const char *ifname; 96 int c, banner = 1; 97 98 ifname = getenv("ATH"); 99 if (ifname == NULL) 100 ifname = ATH_DEFAULT; 101 wf = athstats_new(ifname, getfmt("default")); 102 while ((c = getopt(argc, argv, "bi:lo:z")) != -1) { 103 switch (c) { 104 case 'b': 105 banner = 0; 106 break; 107 case 'i': 108 wf->setifname(wf, optarg); 109 break; 110 case 'l': 111 wf->print_fields(wf, stdout); 112 return 0; 113 case 'o': 114 wf->setfmt(wf, getfmt(optarg)); 115 break; 116 case 'z': 117 wf->zerostats(wf); 118 break; 119 default: 120 errx(-1, "usage: %s [-a] [-i ifname] [-l] [-o fmt] [-z] [interval]\n", argv[0]); 121 /*NOTREACHED*/ 122 } 123 } 124 argc -= optind; 125 argv += optind; 126 127 if (argc > 0) { 128 u_long interval = strtoul(argv[0], NULL, 0); 129 int line, omask; 130 131 if (interval < 1) 132 interval = 1; 133 signal(SIGALRM, catchalarm); 134 signalled = 0; 135 alarm(interval); 136 banner: 137 if (banner) 138 wf->print_header(wf, stdout); 139 line = 0; 140 loop: 141 if (line != 0) { 142 wf->collect_cur(wf); 143 wf->print_current(wf, stdout); 144 wf->update_tot(wf); 145 } else { 146 wf->collect_tot(wf); 147 wf->print_total(wf, stdout); 148 } 149 fflush(stdout); 150 omask = sigblock(sigmask(SIGALRM)); 151 if (!signalled) 152 sigpause(0); 153 sigsetmask(omask); 154 signalled = 0; 155 alarm(interval); 156 line++; 157 if (line == 21) /* XXX tty line count */ 158 goto banner; 159 else 160 goto loop; 161 /*NOTREACHED*/ 162 } else { 163 wf->collect_tot(wf); 164 wf->print_verbose(wf, stdout); 165 } 166 return 0; 167 } 168