1 /*- 2 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 3 * 2012, Adrian Chadd 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer, 11 * without modification. 12 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 13 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 14 * redistribution must be conditioned upon including a substantially 15 * similar Disclaimer requirement for further binary redistribution. 16 * 17 * NO WARRANTY 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 21 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 22 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 23 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 26 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGES. 29 * 30 * $FreeBSD$ 31 */ 32 33 /* 34 * Simple Atheros-specific tool to inspect and monitor software queue 35 * and aggregate statistics. 36 * 37 * athaggrstats [-i interface] [-bz] [-l] [-o fmtstring] [interval] 38 * 39 * (default interface is ath0). If interval is specified a rolling output 40 * a la netstat -i is displayed every interval seconds. The format of 41 * the rolling display can be controlled a la ps. The -l option will 42 * print a list of all possible statistics for use with the -o option. 43 */ 44 45 #include <sys/param.h> 46 47 #include <err.h> 48 #include <signal.h> 49 #include <stdio.h> 50 #include <stdlib.h> 51 #include <string.h> 52 #include <unistd.h> 53 54 #include "athaggrstats.h" 55 56 static struct { 57 const char *tag; 58 const char *fmt; 59 } tags[] = { 60 { "default", 61 "singlepkt,nonbawpkt,aggrpkt,bawclosedpkt,lhsinglepkt,schednopkt,rtsaggrlimit" 62 }, 63 }; 64 65 static const char * 66 getfmt(const char *tag) 67 { 68 int i; 69 for (i = 0; i < nitems(tags); i++) 70 if (strcasecmp(tags[i].tag, tag) == 0) 71 return tags[i].fmt; 72 return tag; 73 } 74 75 static int signalled; 76 77 static void 78 catchalarm(int signo __unused) 79 { 80 signalled = 1; 81 } 82 83 int 84 main(int argc, char *argv[]) 85 { 86 struct athaggrstatfoo *wf; 87 const char *ifname; 88 int c, banner = 1; 89 90 ifname = getenv("ATH"); 91 if (ifname == NULL) 92 ifname = "ath0"; 93 wf = athaggrstats_new(ifname, getfmt("default")); 94 while ((c = getopt(argc, argv, "bi:lo:z")) != -1) { 95 switch (c) { 96 case 'b': 97 banner = 0; 98 break; 99 case 'i': 100 wf->setifname(wf, optarg); 101 break; 102 case 'l': 103 wf->print_fields(wf, stdout); 104 return 0; 105 case 'o': 106 wf->setfmt(wf, getfmt(optarg)); 107 break; 108 case 'z': 109 wf->zerostats(wf); 110 break; 111 default: 112 errx(-1, "usage: %s [-a] [-i ifname] [-l] [-o fmt] [-z] [interval]\n", argv[0]); 113 /*NOTREACHED*/ 114 } 115 } 116 argc -= optind; 117 argv += optind; 118 119 if (argc > 0) { 120 u_long interval = strtoul(argv[0], NULL, 0); 121 int line, omask; 122 123 if (interval < 1) 124 interval = 1; 125 signal(SIGALRM, catchalarm); 126 signalled = 0; 127 alarm(interval); 128 banner: 129 if (banner) 130 wf->print_header(wf, stdout); 131 line = 0; 132 loop: 133 if (line != 0) { 134 wf->collect_cur(wf); 135 wf->print_current(wf, stdout); 136 wf->update_tot(wf); 137 } else { 138 wf->collect_tot(wf); 139 wf->print_total(wf, stdout); 140 } 141 fflush(stdout); 142 omask = sigblock(sigmask(SIGALRM)); 143 if (!signalled) 144 sigpause(0); 145 sigsetmask(omask); 146 signalled = 0; 147 alarm(interval); 148 line++; 149 if (line == 21) /* XXX tty line count */ 150 goto banner; 151 else 152 goto loop; 153 /*NOTREACHED*/ 154 } else { 155 wf->collect_tot(wf); 156 wf->print_verbose(wf, stdout); 157 } 158 return 0; 159 } 160