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 30 /* 31 * Simple Atheros-specific tool to inspect and monitor network traffic 32 * statistics. 33 * 34 * athstats [-i interface] [-bz] [-l] [-o fmtstring] [interval] 35 * 36 * (default interface is ath0). If interval is specified a rolling output 37 * a la netstat -i is displayed every interval seconds. The format of 38 * the rolling display can be controlled a la ps. The -l option will 39 * print a list of all possible statistics for use with the -o option. 40 */ 41 42 #include <sys/param.h> 43 44 #include <err.h> 45 #include <signal.h> 46 #include <stdio.h> 47 #include <stdlib.h> 48 #include <string.h> 49 #include <unistd.h> 50 51 #include "athstats.h" 52 53 static 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 { "beacon", 67 "bstuck,bmiss,bexmit,beacons,bmisscount,reset,ofdm,cck,input,output" 68 }, 69 }; 70 71 static const char * 72 getfmt(const char *tag) 73 { 74 int i; 75 for (i = 0; i < nitems(tags); i++) 76 if (strcasecmp(tags[i].tag, tag) == 0) 77 return tags[i].fmt; 78 return tag; 79 } 80 81 static int signalled; 82 83 static void 84 catchalarm(int signo __unused) 85 { 86 signalled = 1; 87 } 88 89 int 90 main(int argc, char *argv[]) 91 { 92 struct athstatfoo *wf; 93 const char *ifname; 94 int c, banner = 1; 95 96 ifname = getenv("ATH"); 97 if (ifname == NULL) 98 ifname = ATH_DEFAULT; 99 wf = athstats_new(ifname, getfmt("default")); 100 while ((c = getopt(argc, argv, "bi:lo:z")) != -1) { 101 switch (c) { 102 case 'b': 103 banner = 0; 104 break; 105 case 'i': 106 wf->setifname(wf, optarg); 107 break; 108 case 'l': 109 wf->print_fields(wf, stdout); 110 return 0; 111 case 'o': 112 wf->setfmt(wf, getfmt(optarg)); 113 break; 114 case 'z': 115 wf->zerostats(wf); 116 break; 117 default: 118 errx(-1, "usage: %s [-a] [-i ifname] [-l] [-o fmt] [-z] [interval]\n", argv[0]); 119 /*NOTREACHED*/ 120 } 121 } 122 argc -= optind; 123 argv += optind; 124 125 if (argc > 0) { 126 u_long interval = strtoul(argv[0], NULL, 0); 127 int line, omask; 128 129 if (interval < 1) 130 interval = 1; 131 signal(SIGALRM, catchalarm); 132 signalled = 0; 133 alarm(interval); 134 banner: 135 if (banner) 136 wf->print_header(wf, stdout); 137 line = 0; 138 loop: 139 if (line != 0) { 140 wf->collect_cur(wf); 141 wf->print_current(wf, stdout); 142 wf->update_tot(wf); 143 } else { 144 wf->collect_tot(wf); 145 wf->print_total(wf, stdout); 146 } 147 fflush(stdout); 148 omask = sigblock(sigmask(SIGALRM)); 149 if (!signalled) 150 sigpause(0); 151 sigsetmask(omask); 152 signalled = 0; 153 alarm(interval); 154 line++; 155 if (line == 21) /* XXX tty line count */ 156 goto banner; 157 else 158 goto loop; 159 /*NOTREACHED*/ 160 } else { 161 wf->collect_tot(wf); 162 wf->print_verbose(wf, stdout); 163 } 164 return 0; 165 } 166