1 /*- 2 * Copyright (c) 2006 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 Marvell-specific tool to inspect and monitor network traffic 34 * statistics. 35 * 36 * mwlstats [-i interface] [-l] [-o fmtstring] [interval] 37 * 38 * (default interface is mv0). 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 <stdlib.h> 45 #include <stdio.h> 46 #include <signal.h> 47 #include <unistd.h> 48 #include <err.h> 49 50 #include "mwlstats.h" 51 52 #define S_DEFAULT \ 53 "input,output,txtry,txretry,txmretry,txdoneput,rxfcs,rxcrypt,rxicv,rssi,rate" 54 55 static int signalled; 56 57 static void 58 catchalarm(int signo __unused) 59 { 60 signalled = 1; 61 } 62 63 int 64 main(int argc, char *argv[]) 65 { 66 struct mwlstatfoo *wf; 67 int c; 68 69 wf = mwlstats_new("mwl0", S_DEFAULT); 70 while ((c = getopt(argc, argv, "i:lo:")) != -1) { 71 switch (c) { 72 case 'i': 73 wf->setifname(wf, optarg); 74 break; 75 case 'l': 76 wf->print_fields(wf, stdout); 77 return 0; 78 case 'o': 79 wf->setfmt(wf, optarg); 80 break; 81 default: 82 errx(-1, "usage: %s [-a] [-i ifname] [-l] [-o fmt] [interval]\n", argv[0]); 83 /*NOTREACHED*/ 84 } 85 } 86 argc -= optind; 87 argv += optind; 88 89 if (argc > 0) { 90 u_long interval = strtoul(argv[0], NULL, 0); 91 int line, omask; 92 93 if (interval < 1) 94 interval = 1; 95 signal(SIGALRM, catchalarm); 96 signalled = 0; 97 alarm(interval); 98 banner: 99 wf->print_header(wf, stdout); 100 line = 0; 101 loop: 102 if (line != 0) { 103 wf->collect_cur(wf); 104 wf->print_current(wf, stdout); 105 wf->update_tot(wf); 106 } else { 107 wf->collect_tot(wf); 108 wf->print_total(wf, stdout); 109 } 110 fflush(stdout); 111 omask = sigblock(sigmask(SIGALRM)); 112 if (!signalled) 113 sigpause(0); 114 sigsetmask(omask); 115 signalled = 0; 116 alarm(interval); 117 line++; 118 if (line == 21) /* XXX tty line count */ 119 goto banner; 120 else 121 goto loop; 122 /*NOTREACHED*/ 123 } else { 124 wf->collect_tot(wf); 125 wf->print_verbose(wf, stdout); 126 } 127 return 0; 128 } 129