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Added option for lin/log scale (not yet accessible)

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Added ability to specify fixed maximum for bandwidth scale.
This commit is contained in:
pdw
2003-10-13 21:55:33 +00:00
parent bdfbc59b7d
commit 10f518c1de
4 changed files with 96 additions and 12 deletions
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38
options.c
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@@ -28,7 +28,7 @@
options_t options;
char optstr[] = "+i:f:nN:hpbBP";
char optstr[] = "+i:f:nN:hpbBPm:";
/* Global options. */
@@ -112,6 +112,8 @@ static void set_defaults() {
options.linedisplay = OPTION_LINEDISPLAY_TWO_LINE;
options.screen_offset = 0;
options.show_totals = 0;
options.max_bandwidth = 0; /* auto */
options.log_scale = 1; /* auto */
}
static void die(char *msg) {
@@ -119,6 +121,32 @@ static void die(char *msg) {
exit(1);
}
static void set_max_bandwidth(char* arg) {
char* units;
long long mult = 1;
long long value;
units = arg + strspn(arg, "0123456789");
if(strlen(units) > 1) {
die("Invalid units\n");
}
if(strlen(units) == 1) {
if(*units == 'k' || *units == 'K') {
mult = 1024;
}
else if(*units == 'm' || *units == 'M') {
mult = 1024 * 1024;
}
else if(*units == 'g' || *units == 'G') {
mult = 1024 * 1024 * 1024;
}
}
*units = '\0';
if(sscanf(arg, "%lld", &value) != 1) {
die("Error reading max bandwidth\n");
}
options.max_bandwidth = value * mult;
}
static void set_net_filter(char* arg) {
char* mask;
@@ -180,6 +208,7 @@ static void usage(FILE *fp) {
" (default: none, but only IP packets are counted)\n"
" -N net/mask show traffic flows in/out of network\n"
" -P show ports as well as hosts\n"
" -m limit sets the upper limit for the bandwidth scale\n"
"\n"
"iftop, version " IFTOP_VERSION "\n"
"copyright (c) 2002 Paul Warren <pdw@ex-parrot.com> and contributors\n"
@@ -212,7 +241,7 @@ void options_read(int argc, char **argv) {
case 'p':
options.promiscuous = 1;
options.promiscuous_but_choosy = 0;
options.promiscuous_but_choosy = 0;
break;
case 'P':
@@ -222,6 +251,11 @@ void options_read(int argc, char **argv) {
case 'N':
set_net_filter(optarg);
break;
case 'm':
set_max_bandwidth(optarg);
break;
case 'b':
options.showbars = 0;