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 30 /* 31 * Simple Marvell-specific tool to inspect and monitor network traffic 32 * statistics. 33 * 34 * mwlstats [-i interface] [-l] [-o fmtstring] [interval] 35 * 36 * (default interface is mv0). 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 <stdlib.h> 43 #include <stdio.h> 44 #include <signal.h> 45 #include <unistd.h> 46 #include <err.h> 47 48 #include "mwlstats.h" 49 50 #define S_DEFAULT \ 51 "input,output,txtry,txretry,txmretry,txdoneput,rxfcs,rxcrypt,rxicv,rssi,rate" 52 53 static int signalled; 54 55 static void 56 catchalarm(int signo __unused) 57 { 58 signalled = 1; 59 } 60 61 int 62 main(int argc, char *argv[]) 63 { 64 struct mwlstatfoo *wf; 65 int c; 66 67 wf = mwlstats_new("mwl0", S_DEFAULT); 68 while ((c = getopt(argc, argv, "i:lo:")) != -1) { 69 switch (c) { 70 case 'i': 71 wf->setifname(wf, optarg); 72 break; 73 case 'l': 74 wf->print_fields(wf, stdout); 75 return 0; 76 case 'o': 77 wf->setfmt(wf, optarg); 78 break; 79 default: 80 errx(-1, "usage: %s [-a] [-i ifname] [-l] [-o fmt] [interval]\n", argv[0]); 81 /*NOTREACHED*/ 82 } 83 } 84 argc -= optind; 85 argv += optind; 86 87 if (argc > 0) { 88 u_long interval = strtoul(argv[0], NULL, 0); 89 int line, omask; 90 91 if (interval < 1) 92 interval = 1; 93 signal(SIGALRM, catchalarm); 94 signalled = 0; 95 alarm(interval); 96 banner: 97 wf->print_header(wf, stdout); 98 line = 0; 99 loop: 100 if (line != 0) { 101 wf->collect_cur(wf); 102 wf->print_current(wf, stdout); 103 wf->update_tot(wf); 104 } else { 105 wf->collect_tot(wf); 106 wf->print_total(wf, stdout); 107 } 108 fflush(stdout); 109 omask = sigblock(sigmask(SIGALRM)); 110 if (!signalled) 111 sigpause(0); 112 sigsetmask(omask); 113 signalled = 0; 114 alarm(interval); 115 line++; 116 if (line == 21) /* XXX tty line count */ 117 goto banner; 118 else 119 goto loop; 120 /*NOTREACHED*/ 121 } else { 122 wf->collect_tot(wf); 123 wf->print_verbose(wf, stdout); 124 } 125 return 0; 126 } 127