445 lines
12 KiB
C
445 lines
12 KiB
C
/* cytune.c -- Tune Cyclades driver
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*
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* Copyright 1995 Nick Simicich (njs@scifi.emi.net)
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*
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* Modifications by Rik Faith (faith@cs.unc.edu)
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the Nick Simicich
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* 4. Neither the name of the Nick Simicich nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY NICK SIMICICH AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL NICK SIMICICH OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/*
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* 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@pld.ORG.PL>
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* - added Native Language Support
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* Sun Mar 21 1999 - Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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* - fixed strerr(errno) in gettext calls
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/ioctl.h>
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#include <unistd.h>
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#include <string.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <signal.h>
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#include <termios.h>
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#include "cyclades.h"
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#if 0
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#ifndef XMIT
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# include <linux/version.h>
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# if LINUX_VERSION_CODE > 66056
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# define XMIT
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# endif
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#endif
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#endif
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#include "nls.h"
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/* Until it gets put in the kernel,
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toggle by hand. */
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#undef XMIT
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struct cyclades_control {
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struct cyclades_monitor c;
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int cfile;
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int maxmax;
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double maxtran;
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double maxxmit;
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unsigned long threshold_value;
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unsigned long timeout_value;
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};
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struct cyclades_control *cmon;
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int cmon_index;
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#define mvtime(tvpto, tvpfrom) (((tvpto)->tv_sec = (tvpfrom)->tv_sec),(tvpto)->tv_usec = (tvpfrom)->tv_usec)
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static inline double
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dtime(struct timeval * tvpnew, struct timeval * tvpold) {
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double diff;
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diff = (double)tvpnew->tv_sec - (double)tvpold->tv_sec;
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diff += ((double)tvpnew->tv_usec - (double)tvpold->tv_usec)/1000000;
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return diff;
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}
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static int global_argc, global_optind;
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static char ***global_argv;
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static void
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summary(int sig) {
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struct cyclades_control *cc;
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int argc, local_optind;
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char **argv;
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int i,j;
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argc = global_argc;
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argv = *global_argv;
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local_optind = global_optind;
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if (sig > 0) {
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for(i = local_optind; i < argc; i ++) {
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j = i - local_optind;
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cc = &cmon[cmon_index];
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fprintf(stderr, _("File %s, For threshold value %lu, Maximum characters in fifo were %d,\nand the maximum transfer rate in characters/second was %f\n"),
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argv[i],
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cc->threshold_value,
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cc->maxmax,
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cc->maxtran);
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}
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exit(0);
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}
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cc = &cmon[cmon_index];
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if (cc->threshold_value > 0 && sig != -1) {
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fprintf(stderr, _("File %s, For threshold value %lu and timrout value %lu, Maximum characters in fifo were %d,\nand the maximum transfer rate in characters/second was %f\n"),
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argv[cmon_index+local_optind],
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cc->threshold_value,
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cc->timeout_value,
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cc->maxmax,
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cc->maxtran);
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}
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cc->maxmax = 0;
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cc->maxtran = 0.0;
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cc->threshold_value = 0;
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cc->timeout_value = 0;
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}
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static int query = 0;
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static int interval = 1;
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static int set = 0;
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static int set_val = -1;
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static int get = 0;
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static int set_def = 0;
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static int set_def_val = -1;
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static int get_def = 0;
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static int set_time = 0;
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static int set_time_val = -1;
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static int set_def_time = 0;
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static int set_def_time_val = -1;
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int main(int argc, char *argv[]) {
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struct timeval lasttime, thistime;
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struct timezone tz = {0,0};
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double diff;
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int errflg = 0;
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int file;
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int numfiles;
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struct cyclades_monitor cywork;
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int i;
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unsigned long threshold_value;
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unsigned long timeout_value;
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double xfer_rate;
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#ifdef XMIT
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double xmit_rate;
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#endif
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global_argc = argc; /* For signal routine. */
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global_argv = &argv; /* For signal routine. */
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setlocale(LC_ALL, "");
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bindtextdomain(PACKAGE, LOCALEDIR);
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textdomain(PACKAGE);
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while ((i = getopt(argc, argv, "qs:S:t:T:gGi:")) != -1) {
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switch (i) {
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case 'q':
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query = 1;
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break;
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case 'i':
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interval = atoi(optarg);
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if(interval <= 0) {
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fprintf(stderr, _("Invalid interval value: %s\n"),optarg);
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errflg ++;
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}
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break;
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case 's':
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++set;
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set_val = atoi(optarg);
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if(set_val <= 0 || set_val > 12) {
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fprintf(stderr, _("Invalid set value: %s\n"),optarg);
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errflg ++;
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}
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break;
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case 'S':
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++set_def;
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set_def_val = atoi(optarg);
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if(set_def_val < 0 || set_def_val > 12) {
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fprintf(stderr, _("Invalid default value: %s\n"),optarg);
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errflg ++;
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}
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break;
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case 't':
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++set_time;
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set_time_val = atoi(optarg);
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if(set_time_val <= 0 || set_time_val > 255) {
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fprintf(stderr, _("Invalid set time value: %s\n"),optarg);
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errflg ++;
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}
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break;
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case 'T':
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++set_def_time;
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set_def_time_val = atoi(optarg);
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if(set_def_time_val < 0 || set_def_time_val > 255) {
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fprintf(stderr, _("Invalid default time value: %s\n"),optarg);
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errflg ++;
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}
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break;
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case 'g': ++get; break;
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case 'G': ++get_def; break;
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default:
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errflg ++;
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}
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}
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numfiles = argc - optind;
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if(errflg || (numfiles == 0)
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|| (!query && !set && !set_def &&
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!get && !get_def && !set_time && !set_def_time) ||
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(set && set_def) || (set_time && set_def_time) ||
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(get && get_def)) {
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fprintf(stderr,
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_("Usage: %s [-q [-i interval]] ([-s value]|[-S value]) ([-t value]|[-T value]) [-g|-G] file [file...]\n"),
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argv[0]);
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exit(1);
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}
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global_optind = optind; /* For signal routine. */
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if (set || set_def) {
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for(i = optind; i < argc; i++) {
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file = open(argv[i],O_RDONLY);
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if(file == -1) {
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int errsv = errno;
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fprintf(stderr, _("Can't open %s: %s\n"),argv[i],strerror(errsv));
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exit(1);
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}
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if(ioctl(file,
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set ? CYSETTHRESH : CYSETDEFTHRESH,
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set ? set_val : set_def_val)) {
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int errsv = errno;
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fprintf(stderr, _("Can't set %s to threshold %d: %s\n"),
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argv[i],set?set_val:set_def_val,strerror(errsv));
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exit(1);
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}
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close(file);
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}
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}
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if (set_time || set_def_time) {
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for(i = optind; i < argc; i++) {
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file = open(argv[i],O_RDONLY);
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if(file == -1) {
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int errsv = errno;
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fprintf(stderr, _("Can't open %s: %s\n"),argv[i],strerror(errsv));
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exit(1);
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}
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if(ioctl(file,
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set_time ? CYSETTIMEOUT : CYSETDEFTIMEOUT,
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set_time ? set_time_val : set_def_time_val)) {
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int errsv = errno;
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fprintf(stderr, _("Can't set %s to time threshold %d: %s\n"),
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argv[i],set_time?set_time_val:set_def_time_val,strerror(errsv));
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exit(1);
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}
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close(file);
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}
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}
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if (get || get_def) {
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for(i = optind; i < argc; i++) {
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file = open(argv[i],O_RDONLY);
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if(file == -1) {
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int errsv = errno;
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fprintf(stderr, _("Can't open %s: %s\n"),argv[i],strerror(errsv));
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exit(1);
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}
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if(ioctl(file, get ? CYGETTHRESH : CYGETDEFTHRESH, &threshold_value)) {
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int errsv = errno;
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fprintf(stderr, _("Can't get threshold for %s: %s\n"),
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argv[i],strerror(errsv));
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exit(1);
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}
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if(ioctl(file, get ? CYGETTIMEOUT : CYGETDEFTIMEOUT, &timeout_value)) {
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int errsv = errno;
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fprintf(stderr, _("Can't get timeout for %s: %s\n"),
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argv[i],strerror(errsv));
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exit(1);
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}
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close(file);
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if (get)
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printf(_("%s: %ld current threshold and %ld current timeout\n"),
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argv[i], threshold_value, timeout_value);
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else
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printf(_("%s: %ld default threshold and %ld default timeout\n"),
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argv[i], threshold_value, timeout_value);
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}
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}
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if(!query) return 0; /* must have been something earlier */
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/* query stuff after this line */
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cmon = (struct cyclades_control *) malloc(sizeof (struct cyclades_control)
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* numfiles);
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if(!cmon) {
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perror(_("malloc failed"));
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exit(1);
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}
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if(signal(SIGINT, summary)||
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signal(SIGQUIT, summary)||
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signal(SIGTERM, summary)) {
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perror(_("Can't set signal handler"));
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exit(1);
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}
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if(gettimeofday(&lasttime,&tz)) {
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perror(_("gettimeofday failed"));
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exit(1);
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}
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for(i = optind; i < argc; i ++) {
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cmon_index = i - optind;
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cmon[cmon_index].cfile = open(argv[i], O_RDONLY);
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if(-1 == cmon[cmon_index].cfile) {
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int errsv = errno;
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fprintf(stderr, _("Can't open %s: %s\n"),argv[i],strerror(errsv));
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exit(1);
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}
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if(ioctl(cmon[cmon_index].cfile, CYGETMON, &cmon[cmon_index].c)) {
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int errsv = errno;
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fprintf(stderr, _("Can't issue CYGETMON on %s: %s\n"),
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argv[i],strerror(errsv));
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exit(1);
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}
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summary(-1);
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if(ioctl(cmon[cmon_index].cfile, CYGETTHRESH, &threshold_value)) {
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int errsv = errno;
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fprintf(stderr, _("Can't get threshold for %s: %s\n"),
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argv[i],strerror(errsv));
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exit(1);
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}
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if(ioctl(cmon[cmon_index].cfile, CYGETTIMEOUT, &timeout_value)) {
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int errsv = errno;
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fprintf(stderr, _("Can't get timeout for %s: %s\n"),
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argv[i],strerror(errsv));
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exit(1);
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}
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}
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while(1) {
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sleep(interval);
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if(gettimeofday(&thistime,&tz)) {
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perror(_("gettimeofday failed"));
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exit(1);
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}
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diff = dtime(&thistime, &lasttime);
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mvtime(&lasttime, &thistime);
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for(i = optind; i < argc; i ++) {
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cmon_index = i - optind;
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if(ioctl(cmon[cmon_index].cfile, CYGETMON, &cywork)) {
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int errsv = errno;
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fprintf(stderr, _("Can't issue CYGETMON on %s: %s\n"),
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argv[i],strerror(errsv));
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exit(1);
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}
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if(ioctl(cmon[cmon_index].cfile, CYGETTHRESH, &threshold_value)) {
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int errsv = errno;
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fprintf(stderr, _("Can't get threshold for %s: %s\n"),
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argv[i],strerror(errsv));
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exit(1);
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}
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if(ioctl(cmon[cmon_index].cfile, CYGETTIMEOUT, &timeout_value)) {
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int errsv = errno;
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fprintf(stderr, _("Can't get timeout for %s: %s\n"),
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argv[i],strerror(errsv));
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exit(1);
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}
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xfer_rate = cywork.char_count/diff;
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#ifdef XMIT
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xmit_rate = cywork.send_count/diff;
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#endif
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if(threshold_value != cmon[cmon_index].threshold_value ||
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timeout_value != cmon[cmon_index].timeout_value) {
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summary(-2);
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/* Note that the summary must come before the setting of */
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/* threshold_value */
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cmon[cmon_index].threshold_value = threshold_value;
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cmon[cmon_index].timeout_value = timeout_value;
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} else {
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/* Don't record this first cycle after change */
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if(xfer_rate > cmon[cmon_index].maxtran)
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cmon[cmon_index].maxtran = xfer_rate;
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#ifdef XMIT
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if(xmit_rate > cmon[cmon_index].maxxmit)
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cmon[cmon_index].maxxmit = xmit_rate;
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#endif
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if(cywork.char_max > cmon[cmon_index].maxmax)
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cmon[cmon_index].maxmax = cywork.char_max;
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}
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#ifdef XMIT
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printf(_("%s: %lu ints, %lu/%lu chars; fifo: %lu thresh, %lu tmout, "
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"%lu max, %lu now\n"),
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argv[i],
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cywork.int_count,cywork.char_count,cywork.send_count,
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threshold_value,timeout_value,
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cywork.char_max,cywork.char_last);
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printf(_(" %f int/sec; %f rec, %f send (char/sec)\n"),
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cywork.int_count/diff,
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xfer_rate,
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xmit_rate);
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#else
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printf(_("%s: %lu ints, %lu chars; fifo: %lu thresh, %lu tmout, "
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"%lu max, %lu now\n"),
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argv[i],
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cywork.int_count,cywork.char_count,
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threshold_value,timeout_value,
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cywork.char_max,cywork.char_last);
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printf(_(" %f int/sec; %f rec (char/sec)\n"),
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cywork.int_count/diff,
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xfer_rate);
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#endif
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memcpy(&cmon[cmon_index].c, &cywork, sizeof (struct cyclades_monitor));
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}
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}
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return 0;
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}
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