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 31 /* 32 * Simple Atheros-specific tool to inspect and monitor software queue 33 * and aggregate statistics. 34 * 35 * athaggrstats [-i interface] [-bz] [-l] [-o fmtstring] [interval] 36 * 37 * (default interface is ath0). If interval is specified a rolling output 38 * a la netstat -i is displayed every interval seconds. The format of 39 * the rolling display can be controlled a la ps. The -l option will 40 * print a list of all possible statistics for use with the -o option. 41 */ 42 43 #include <sys/param.h> 44 45 #include <err.h> 46 #include <signal.h> 47 #include <stdio.h> 48 #include <stdlib.h> 49 #include <string.h> 50 #include <unistd.h> 51 52 #include "athaggrstats.h" 53 54 static struct { 55 const char *tag; 56 const char *fmt; 57 } tags[] = { 58 { "default", 59 "singlepkt,nonbawpkt,aggrpkt,bawclosedpkt,lhsinglepkt,schednopkt,rtsaggrlimit" 60 }, 61 }; 62 63 static const char * 64 getfmt(const char *tag) 65 { 66 int i; 67 for (i = 0; i < nitems(tags); i++) 68 if (strcasecmp(tags[i].tag, tag) == 0) 69 return tags[i].fmt; 70 return tag; 71 } 72 73 static int signalled; 74 75 static void 76 catchalarm(int signo __unused) 77 { 78 signalled = 1; 79 } 80 81 int 82 main(int argc, char *argv[]) 83 { 84 struct athaggrstatfoo *wf; 85 const char *ifname; 86 int c, banner = 1; 87 88 ifname = getenv("ATH"); 89 if (ifname == NULL) 90 ifname = ATH_DEFAULT; 91 wf = athaggrstats_new(ifname, getfmt("default")); 92 while ((c = getopt(argc, argv, "bi:lo:z")) != -1) { 93 switch (c) { 94 case 'b': 95 banner = 0; 96 break; 97 case 'i': 98 wf->setifname(wf, optarg); 99 break; 100 case 'l': 101 wf->print_fields(wf, stdout); 102 return 0; 103 case 'o': 104 wf->setfmt(wf, getfmt(optarg)); 105 break; 106 case 'z': 107 wf->zerostats(wf); 108 break; 109 default: 110 errx(-1, "usage: %s [-a] [-i ifname] [-l] [-o fmt] [-z] [interval]\n", argv[0]); 111 /*NOTREACHED*/ 112 } 113 } 114 argc -= optind; 115 argv += optind; 116 117 if (argc > 0) { 118 u_long interval = strtoul(argv[0], NULL, 0); 119 int line, omask; 120 121 if (interval < 1) 122 interval = 1; 123 signal(SIGALRM, catchalarm); 124 signalled = 0; 125 alarm(interval); 126 banner: 127 if (banner) 128 wf->print_header(wf, stdout); 129 line = 0; 130 loop: 131 if (line != 0) { 132 wf->collect_cur(wf); 133 wf->print_current(wf, stdout); 134 wf->update_tot(wf); 135 } else { 136 wf->collect_tot(wf); 137 wf->print_total(wf, stdout); 138 } 139 fflush(stdout); 140 omask = sigblock(sigmask(SIGALRM)); 141 if (!signalled) 142 sigpause(0); 143 sigsetmask(omask); 144 signalled = 0; 145 alarm(interval); 146 line++; 147 if (line == 21) /* XXX tty line count */ 148 goto banner; 149 else 150 goto loop; 151 /*NOTREACHED*/ 152 } else { 153 wf->collect_tot(wf); 154 wf->print_verbose(wf, stdout); 155 } 156 return 0; 157 } 158