""

CHANGES

@@ -4,7 +4,7 @@ $Id$
 0.2 02/04/02
 
 Added -n option to analyse traffic flows across a network boundary.
-Added cummulative traffic totals.
+Added cumulative traffic totals.
 Graphs now optional.
 UI more responsive to key presses.
 Auto-sizing bar graph scale.

iftop.8

@@ -11,7 +11,7 @@ iftop - display bandwidth usage on an interface by host
 
 .SH SYNOPSIS
 \fBiftop\fP \fB-h\fP |
-[\fB-d\fP] [\fB-p\fP] [\fB-i\fP \fIinterface\fP] [\fB-f\fP \fIfilter code\fP] [\fB-n\fP \fInet\fP/\fImask\fP]
+[\fB-dpb\fP] [\fB-i\fP \fIinterface\fP] [\fB-f\fP \fIfilter code\fP] [\fB-n\fP \fInet\fP/\fImask\fP]
 
 .SH DESCRIPTION
 \fBiftop\fP listens to network traffic on a named \fIinterface\fP, or \fBeth0\fP
@@ -58,6 +58,9 @@ Don't do hostname lookups. This setting may be altered at run time.
 Run in promiscuous mode, so that traffic which does not pass directly through
 the specified interface is also counted.
 .TP
+\fB-b\fP
+Don't display bar graphs of traffic. This setting may be altered at run time.
+.TP
 \fB-i\fP \fIinterface\fP
 Listen to packets on \fIinterface\fP.
 .TP

options.c

@@ -13,7 +13,7 @@
 
 options_t options;
 
-char optstr[] = "+i:f:n:dhp";
+char optstr[] = "+i:f:n:dhpb";
 
 /* Global options. */
 
@@ -68,12 +68,13 @@ static void usage(FILE *fp) {
     fprintf(fp,
 "iftop: display bandwidth usage on an interface by host\n"
 "\n"
-"Synopsis: iftop -h | [-d] [-p] [-i interface] [-f filter code] [-n net/mask]\n"
+"Synopsis: iftop -h | [-dpb] [-i interface] [-f filter code] [-n net/mask]\n"
 "\n"
 "   -h                  display this message\n"
 "   -d                  don't do hostname lookups\n"
 "   -p                  run in promiscuous mode (show traffic between other\n"
 "                       hosts on the same network segment)\n"
+"   -b                  don't display a bar graph of traffic\n"
 "   -i interface        listen on named interface (default: eth0)\n"
 "   -f filter code      use filter code to select packets to count\n"
 "                       (default: none, but only IP packets are counted)\n"
@@ -115,6 +116,10 @@ void options_read(int argc, char **argv) {
                 set_net_filter(optarg);
                 break;
 
+            case 'b':
+                options.showbars = 0;
+                break;
+
             case '?':
                 fprintf(stderr, "iftop: unknown option -%c\n", optopt);
                 usage(stderr);

resolver.c

@@ -34,6 +34,7 @@ void resolver_worker(void* ptr) {
     delay.tv_sec = 0;
     delay.tv_nsec = 500;
     pthread_mutex_lock(&resolver_queue_mutex);
+    sethostent(1);
     while(1) {
         /* Wait until we are told that an address has been added to the 
          * queue. */