mirror of
https://github.com/linux-can/can-utils.git
synced 2026-09-22 08:06:34 +02:00
Whitespace fixes. Indented the code following Linux styleguide to fix
the mess between tabs and spaces.
This commit is contained in:
Oliver Hartkopp
+226
-226
@@ -74,11 +74,11 @@
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extern int optind, opterr, optopt;
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static struct {
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char devname[IFNAMSIZ+1];
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unsigned int bitrate;
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unsigned int recv_frames;
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unsigned int recv_bits_total;
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unsigned int recv_bits_payload;
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char devname[IFNAMSIZ+1];
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unsigned int bitrate;
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unsigned int recv_frames;
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unsigned int recv_bits_total;
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unsigned int recv_bits_payload;
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} stat[MAXSOCK+1];
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static int max_devname_len; /* to prevent frazzled device name output */
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@@ -92,289 +92,289 @@ static char *prg;
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void print_usage(char *prg)
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{
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fprintf(stderr, "\nUsage: %s [options] <CAN interface>+\n", prg);
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fprintf(stderr, " (use CTRL-C to terminate %s)\n\n", prg);
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fprintf(stderr, "Options: -t (show current time on the first line)\n");
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fprintf(stderr, " -c (colorize lines)\n");
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fprintf(stderr, " -b (show bargraph in %d%% resolution)\n", PERCENTRES);
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fprintf(stderr, " -r (redraw the terminal - similar to top)\n");
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fprintf(stderr, "\n");
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fprintf(stderr, "Up to %d CAN interfaces with mandatory bitrate can be specified on the \n", MAXSOCK);
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fprintf(stderr, "commandline in the form: <ifname>@<bitrate>\n\n");
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fprintf(stderr, "The bitrate is mandatory as it is needed to know the CAN bus bitrate to\n");
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fprintf(stderr, "calcultate the bus load percentage based on the received CAN frames.\n");
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fprintf(stderr, "For each given interface the data is presented in one line which contains:\n\n");
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fprintf(stderr, "(interface) (received CAN frames) (used bits total) (used bits for payload)\n");
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fprintf(stderr, "\nExample:\n");
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fprintf(stderr, "\nuser$> canbusload can0@100000 can1@500000 can2@500000 can3@500000 -r -t -b -c\n\n");
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fprintf(stderr, "%s 2008-05-27 15:18:49\n", prg);
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fprintf(stderr, " can0@100000 805 74491 36656 74%% |XXXXXXXXXXXXXX......|\n");
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fprintf(stderr, " can1@500000 796 75140 37728 15%% |XXX.................|\n");
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fprintf(stderr, " can2@500000 0 0 0 0%% |....................|\n");
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fprintf(stderr, " can3@500000 47 4633 2424 0%% |....................|\n");
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fprintf(stderr, "\n");
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fprintf(stderr, "\nUsage: %s [options] <CAN interface>+\n", prg);
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fprintf(stderr, " (use CTRL-C to terminate %s)\n\n", prg);
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fprintf(stderr, "Options: -t (show current time on the first line)\n");
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fprintf(stderr, " -c (colorize lines)\n");
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fprintf(stderr, " -b (show bargraph in %d%% resolution)\n", PERCENTRES);
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fprintf(stderr, " -r (redraw the terminal - similar to top)\n");
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fprintf(stderr, "\n");
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fprintf(stderr, "Up to %d CAN interfaces with mandatory bitrate can be specified on the \n", MAXSOCK);
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fprintf(stderr, "commandline in the form: <ifname>@<bitrate>\n\n");
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fprintf(stderr, "The bitrate is mandatory as it is needed to know the CAN bus bitrate to\n");
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fprintf(stderr, "calcultate the bus load percentage based on the received CAN frames.\n");
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fprintf(stderr, "For each given interface the data is presented in one line which contains:\n\n");
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fprintf(stderr, "(interface) (received CAN frames) (used bits total) (used bits for payload)\n");
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fprintf(stderr, "\nExample:\n");
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fprintf(stderr, "\nuser$> canbusload can0@100000 can1@500000 can2@500000 can3@500000 -r -t -b -c\n\n");
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fprintf(stderr, "%s 2008-05-27 15:18:49\n", prg);
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fprintf(stderr, " can0@100000 805 74491 36656 74%% |XXXXXXXXXXXXXX......|\n");
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fprintf(stderr, " can1@500000 796 75140 37728 15%% |XXX.................|\n");
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fprintf(stderr, " can2@500000 0 0 0 0%% |....................|\n");
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fprintf(stderr, " can3@500000 47 4633 2424 0%% |....................|\n");
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fprintf(stderr, "\n");
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}
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void sigterm(int signo)
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{
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exit(0);
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exit(0);
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}
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void printstats(int signo)
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{
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int i, j, percent;
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int i, j, percent;
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if (redraw)
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printf("%s", CSR_HOME);
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if (redraw)
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printf("%s", CSR_HOME);
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if (timestamp) {
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time_t currtime;
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struct tm now;
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if (timestamp) {
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time_t currtime;
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struct tm now;
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if (time(&currtime) == (time_t)-1) {
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perror("time");
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exit(1);
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if (time(&currtime) == (time_t)-1) {
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perror("time");
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exit(1);
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}
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localtime_r(&currtime, &now);
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printf("%s %04d-%02d-%02d %02d:%02d:%02d\n",
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prg,
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now.tm_year + 1900,
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now.tm_mon + 1,
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now.tm_mday,
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now.tm_hour,
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now.tm_min,
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now.tm_sec);
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}
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localtime_r(&currtime, &now);
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for (i=0; i<currmax; i++) {
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printf("%s %04d-%02d-%02d %02d:%02d:%02d\n",
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prg,
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now.tm_year + 1900,
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now.tm_mon + 1,
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now.tm_mday,
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now.tm_hour,
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now.tm_min,
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now.tm_sec);
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}
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if (color)
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if (i%2)
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printf("%s", FGRED);
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else
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printf("%s", FGBLUE);
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for (i=0; i<currmax; i++) {
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if (color)
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if (i%2)
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printf("%s", FGRED);
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else
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printf("%s", FGBLUE);
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if (stat[i].bitrate)
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percent = (stat[i].recv_bits_total*100)/stat[i].bitrate;
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else
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percent = 0;
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printf(" %*s@%-*d %4d %6d %6d %3d%%",
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max_devname_len, stat[i].devname,
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max_bitrate_len, stat[i].bitrate,
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stat[i].recv_frames,
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stat[i].recv_bits_total,
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stat[i].recv_bits_payload,
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percent);
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if (bargraph) {
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printf(" |");
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for (j=0; j < NUMBAR; j++){
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if (j < percent/PERCENTRES)
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printf("X");
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if (stat[i].bitrate)
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percent = (stat[i].recv_bits_total*100)/stat[i].bitrate;
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else
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printf(".");
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}
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percent = 0;
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printf(" %*s@%-*d %4d %6d %6d %3d%%",
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max_devname_len, stat[i].devname,
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max_bitrate_len, stat[i].bitrate,
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stat[i].recv_frames,
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stat[i].recv_bits_total,
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stat[i].recv_bits_payload,
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percent);
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if (bargraph) {
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printf(" |");
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for (j=0; j < NUMBAR; j++){
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if (j < percent/PERCENTRES)
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printf("X");
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else
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printf(".");
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}
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printf("|");
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}
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printf("|");
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}
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if (color)
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printf("%s", ATTRESET);
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if (color)
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printf("%s", ATTRESET);
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printf("\n");
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stat[i].recv_frames = 0;
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stat[i].recv_bits_total = 0;
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stat[i].recv_bits_payload = 0;
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}
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printf("\n");
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stat[i].recv_frames = 0;
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stat[i].recv_bits_total = 0;
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stat[i].recv_bits_payload = 0;
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}
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printf("\n");
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alarm(1);
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alarm(1);
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}
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int main(int argc, char **argv)
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{
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fd_set rdfs;
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int s[MAXSOCK];
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fd_set rdfs;
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int s[MAXSOCK];
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int opt;
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char *ptr, *nptr;
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struct sockaddr_can addr;
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struct can_frame frame;
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int nbytes, i;
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struct ifreq ifr;
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sigset_t sigmask, savesigmask;
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int opt;
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char *ptr, *nptr;
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struct sockaddr_can addr;
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struct can_frame frame;
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int nbytes, i;
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struct ifreq ifr;
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sigset_t sigmask, savesigmask;
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signal(SIGTERM, sigterm);
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signal(SIGHUP, sigterm);
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signal(SIGINT, sigterm);
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signal(SIGTERM, sigterm);
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signal(SIGHUP, sigterm);
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signal(SIGINT, sigterm);
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signal(SIGALRM, printstats);
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signal(SIGALRM, printstats);
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prg = basename(argv[0]);
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prg = basename(argv[0]);
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while ((opt = getopt(argc, argv, "rtbch?")) != -1) {
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switch (opt) {
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case 'r':
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redraw = 1;
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break;
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while ((opt = getopt(argc, argv, "rtbch?")) != -1) {
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switch (opt) {
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case 'r':
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redraw = 1;
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break;
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case 't':
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timestamp = 1;
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break;
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case 't':
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timestamp = 1;
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break;
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case 'b':
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bargraph = 1;
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break;
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case 'b':
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bargraph = 1;
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break;
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case 'c':
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color = 1;
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break;
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case 'c':
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color = 1;
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break;
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default:
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print_usage(prg);
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exit(1);
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break;
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default:
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print_usage(prg);
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exit(1);
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break;
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}
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}
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}
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if (optind == argc) {
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print_usage(prg);
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exit(0);
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}
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if (optind == argc) {
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print_usage(prg);
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exit(0);
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}
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currmax = argc - optind; /* find real number of CAN devices */
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currmax = argc - optind; /* find real number of CAN devices */
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if (currmax > MAXSOCK) {
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printf("More than %d CAN devices given on commandline!\n", MAXSOCK);
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return 1;
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}
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for (i=0; i < currmax; i++) {
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ptr = argv[optind+i];
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nbytes = strlen(ptr);
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if (nbytes >= IFNAMSIZ+sizeof("@1000000")+1) {
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printf("name of CAN device '%s' is too long!\n", ptr);
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return 1;
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if (currmax > MAXSOCK) {
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printf("More than %d CAN devices given on commandline!\n", MAXSOCK);
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return 1;
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}
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for (i=0; i < currmax; i++) {
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ptr = argv[optind+i];
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nbytes = strlen(ptr);
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if (nbytes >= IFNAMSIZ+sizeof("@1000000")+1) {
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printf("name of CAN device '%s' is too long!\n", ptr);
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return 1;
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}
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#ifdef DEBUG
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printf("open %d '%s'.\n", i, ptr);
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printf("open %d '%s'.\n", i, ptr);
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#endif
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s[i] = socket(PF_CAN, SOCK_RAW, CAN_RAW);
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if (s[i] < 0) {
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perror("socket");
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return 1;
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}
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s[i] = socket(PF_CAN, SOCK_RAW, CAN_RAW);
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if (s[i] < 0) {
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perror("socket");
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return 1;
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}
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nptr = strchr(ptr, '@');
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nptr = strchr(ptr, '@');
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if (!nptr) {
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print_usage(prg);
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return 1;
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}
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if (!nptr) {
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print_usage(prg);
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return 1;
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}
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nbytes = nptr - ptr; /* interface name is up the first '@' */
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nbytes = nptr - ptr; /* interface name is up the first '@' */
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if (nbytes >= IFNAMSIZ) {
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printf("name of CAN device '%s' is too long!\n", ptr);
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return 1;
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}
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if (nbytes >= IFNAMSIZ) {
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printf("name of CAN device '%s' is too long!\n", ptr);
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return 1;
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}
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strncpy(stat[i].devname, ptr, nbytes);
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memset(&ifr.ifr_name, 0, sizeof(ifr.ifr_name));
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strncpy(ifr.ifr_name, ptr, nbytes);
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strncpy(stat[i].devname, ptr, nbytes);
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memset(&ifr.ifr_name, 0, sizeof(ifr.ifr_name));
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strncpy(ifr.ifr_name, ptr, nbytes);
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if (nbytes > max_devname_len)
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max_devname_len = nbytes; /* for nice printing */
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if (nbytes > max_devname_len)
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max_devname_len = nbytes; /* for nice printing */
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stat[i].bitrate = atoi(nptr+1); /* bitrate is placed behind the '@' */
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stat[i].bitrate = atoi(nptr+1); /* bitrate is placed behind the '@' */
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if (!stat[i].bitrate || stat[i].bitrate > 1000000) {
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printf("invalid bitrate for CAN device '%s'!\n", ptr);
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return 1;
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}
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if (!stat[i].bitrate || stat[i].bitrate > 1000000) {
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printf("invalid bitrate for CAN device '%s'!\n", ptr);
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return 1;
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}
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nbytes = strlen(nptr+1);
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if (nbytes > max_bitrate_len)
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max_bitrate_len = nbytes; /* for nice printing */
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nbytes = strlen(nptr+1);
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if (nbytes > max_bitrate_len)
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max_bitrate_len = nbytes; /* for nice printing */
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#ifdef DEBUG
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printf("using interface name '%s'.\n", ifr.ifr_name);
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printf("using interface name '%s'.\n", ifr.ifr_name);
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#endif
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if (ioctl(s[i], SIOCGIFINDEX, &ifr) < 0) {
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perror("SIOCGIFINDEX");
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exit(1);
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if (ioctl(s[i], SIOCGIFINDEX, &ifr) < 0) {
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perror("SIOCGIFINDEX");
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exit(1);
|
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}
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addr.can_family = AF_CAN;
|
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addr.can_ifindex = ifr.ifr_ifindex;
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if (bind(s[i], (struct sockaddr *)&addr, sizeof(addr)) < 0) {
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perror("bind");
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return 1;
|
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}
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}
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|
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addr.can_family = AF_CAN;
|
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addr.can_ifindex = ifr.ifr_ifindex;
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alarm(1);
|
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|
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if (bind(s[i], (struct sockaddr *)&addr, sizeof(addr)) < 0) {
|
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perror("bind");
|
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return 1;
|
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if (redraw)
|
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printf("%s", CLR_SCREEN);
|
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|
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while (1) {
|
||||
|
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FD_ZERO(&rdfs);
|
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for (i=0; i<currmax; i++)
|
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FD_SET(s[i], &rdfs);
|
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|
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savesigmask = sigmask;
|
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|
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if (pselect(s[currmax-1]+1, &rdfs, NULL, NULL, NULL, &sigmask) < 0) {
|
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//perror("pselect");
|
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sigmask = savesigmask;
|
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continue;
|
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}
|
||||
|
||||
for (i=0; i<currmax; i++) { /* check all CAN RAW sockets */
|
||||
|
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if (FD_ISSET(s[i], &rdfs)) {
|
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|
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nbytes = read(s[i], &frame, sizeof(struct can_frame));
|
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|
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if (nbytes < 0) {
|
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perror("read");
|
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return 1;
|
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}
|
||||
|
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if (nbytes < sizeof(struct can_frame)) {
|
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fprintf(stderr, "read: incomplete CAN frame\n");
|
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return 1;
|
||||
}
|
||||
|
||||
stat[i].recv_frames++;
|
||||
stat[i].recv_bits_payload += frame.can_dlc*8;
|
||||
stat[i].recv_bits_total += frame.can_dlc*8;
|
||||
if (frame.can_id & CAN_EFF_FLAG)
|
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stat[i].recv_bits_total += 67;
|
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else
|
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stat[i].recv_bits_total += 47;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
alarm(1);
|
||||
|
||||
if (redraw)
|
||||
printf("%s", CLR_SCREEN);
|
||||
|
||||
while (1) {
|
||||
|
||||
FD_ZERO(&rdfs);
|
||||
for (i=0; i<currmax; i++)
|
||||
FD_SET(s[i], &rdfs);
|
||||
close(s[i]);
|
||||
|
||||
savesigmask = sigmask;
|
||||
|
||||
if (pselect(s[currmax-1]+1, &rdfs, NULL, NULL, NULL, &sigmask) < 0) {
|
||||
//perror("pselect");
|
||||
sigmask = savesigmask;
|
||||
continue;
|
||||
}
|
||||
|
||||
for (i=0; i<currmax; i++) { /* check all CAN RAW sockets */
|
||||
|
||||
if (FD_ISSET(s[i], &rdfs)) {
|
||||
|
||||
nbytes = read(s[i], &frame, sizeof(struct can_frame));
|
||||
|
||||
if (nbytes < 0) {
|
||||
perror("read");
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (nbytes < sizeof(struct can_frame)) {
|
||||
fprintf(stderr, "read: incomplete CAN frame\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
stat[i].recv_frames++;
|
||||
stat[i].recv_bits_payload += frame.can_dlc*8;
|
||||
stat[i].recv_bits_total += frame.can_dlc*8;
|
||||
if (frame.can_id & CAN_EFF_FLAG)
|
||||
stat[i].recv_bits_total += 67;
|
||||
else
|
||||
stat[i].recv_bits_total += 47;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for (i=0; i<currmax; i++)
|
||||
close(s[i]);
|
||||
|
||||
return 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user