Added overall peak and total.

Makefile

@@ -74,3 +74,5 @@ nodepend:
 	rm -f depend
  
 # DO NOT DELETE
+
+

iftop.8

@@ -19,9 +19,9 @@ if none is specified, and displays a table of current bandwidth usage by pairs
 of hosts.
 
 When run, \fBiftop\fP displays, for each pair of hosts, the rate at which data
-is sent and received averaged over 1, 5 and 20 second intervals. The direction
+is sent and received averaged over 2, 10 and 40 second intervals. The direction
 of data flow is indicated by arrows, <= and =>. In addition, a simple bar graph
-shows the 5-second average. The pairs of hosts which consume the most bandwidth
+shows the 10-second average. The pairs of hosts which consume the most bandwidth
 are displayed at the top of the screen, and totals for all hosts are shown at
 the bottom of the screen.
 

ui.c

@@ -145,11 +145,12 @@ void ui_print() {
     char hostname[HOSTNAME_LENGTH];
     static char *line;
     static int lcols;
-    int peaksent = 0;
-    int peakrecv = 0;
+    int peaksent = 0, peakrecv = 0, peaktotal = 0;
     int y = 0;
+    int i;
     sorted_list_type screen_list;
     host_pair_line totals;
+    history_type history_totals;
 
     if (!line || lcols != COLS) {
         xfree(line);
@@ -174,6 +175,7 @@ void ui_print() {
     draw_bar_scale();
 
     memset(&totals, 0, sizeof totals);
+    memset(&history_totals, 0, sizeof history_totals);
 
     while(hash_next_item(history, &n) == HASH_STATUS_OK) {
         history_type* d = (history_type*)n->rec;
@@ -184,6 +186,7 @@ void ui_print() {
         
         screen_line = xcalloc(1, sizeof *screen_line);
         screen_line->ap = (addr_pair*)n->key;
+
         
         for(i = 0; i < HISTORY_LENGTH; i++) {
             int j;
@@ -195,7 +198,9 @@ void ui_print() {
                     totals.recv[j] += d->recv[ii];
 
                     screen_line->sent[j] += d->sent[ii];
+                    
                     if(d->promisc == 1) {
+                      /* Treat all promisc traffic as incoming */
                       totals.recv[j] += d->sent[ii];
                     }
                     else {
@@ -204,16 +209,30 @@ void ui_print() {
                 }
             }
 
-            if(d->recv[ii] > peakrecv) 
-                peakrecv = d->recv[ii];
-            if(d->sent[ii] > peaksent)
-                peaksent = d->sent[ii];
+            history_totals.recv[ii] += d->recv[ii];
+            if(d->promisc == 1) {
+              /* Treat all promisc traffic as incoming */
+              history_totals.recv[ii] += d->sent[ii];
+            }
+            else {
+              history_totals.sent[ii] += d->sent[ii];
+            }
         }
 
         sorted_list_insert(&screen_list, screen_line);
     }
     
-
+    for(i = 0; i < HISTORY_LENGTH; i++) {
+        if(history_totals.recv[i] > peakrecv) {
+            peakrecv = history_totals.recv[i];
+        }
+        if(history_totals.sent[i] > peaksent) {
+            peaksent = history_totals.sent[i];
+        }
+        if(history_totals.recv[i] + history_totals.sent[i] > peaktotal) {
+            peaktotal = history_totals.recv[i] + history_totals.sent[i];	
+        }
+    }
 
     y = 3;
     
@@ -226,7 +245,7 @@ void ui_print() {
         int x = 0, L;
         host_pair_line* screen_line = (host_pair_line*)nn->data;
 
-        if(y < LINES - 5) {
+        if(y < LINES - 4) {
             int t;
             
             L = (COLS - 8 * HISTORY_DIVISIONS - 4) / 2;
@@ -273,14 +292,27 @@ void ui_print() {
 
 
     y = LINES - 2;
-    mvaddstr(y, 0, "sent   peak: ");
-    mvaddstr(y+1, 0, "recv       ");
+
+    mvaddstr(y, 0, "total: ");
+    mvaddstr(y+1, 0, " peak: ");
+
+    readable_size((totals.recv[0] + totals.sent[0]) * 8 / RESOLUTION, line, 10, 1024);
+    mvaddstr(y, 8, line);
+
+    readable_size(peaktotal * 8 / RESOLUTION, line, 10, 1024);
+    mvaddstr(y+1, 8, line);
+
+    readable_size((peakrecv + peaksent) * 8 / RESOLUTION, line, 10, 1024);
+    mvaddstr(y+1, 8, line);
+
+    mvaddstr(y, 17, "sent:   peak: ");
+    mvaddstr(y+1, 17, "recv:       ");
 
     readable_size(peaksent * 8 / RESOLUTION, line, 10, 1024);
-    mvaddstr(y, 15, line);
+    mvaddstr(y, 30, line);
 
     readable_size(peakrecv * 8 / RESOLUTION, line, 10, 1024);
-    mvaddstr(y+1, 15, line);
+    mvaddstr(y+1, 30, line);
 
     mvaddstr(y, COLS - 8 * HISTORY_DIVISIONS - 10, "totals:");