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Fixed sent/recv bug.

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Added totals.
This commit is contained in:
pdw
2002-03-26 23:50:40 +00:00
parent 5d52b1f944
commit 945ae2e394
3 changed files with 117 additions and 58 deletions
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4
iftop.c
View File

@@ -126,10 +126,10 @@ static void handle_packet(char* args, const struct pcap_pkthdr* pkthdr,const cha
/* Update record */ /* Update record */
ht->last_write = history_pos; ht->last_write = history_pos;
if(iptr->ip_src.s_addr < iptr->ip_dst.s_addr) { if(iptr->ip_src.s_addr < iptr->ip_dst.s_addr) {
ht->recv[history_pos] += ntohs(iptr->ip_len); ht->sent[history_pos] += ntohs(iptr->ip_len);
} }
else { else {
ht->sent[history_pos] += ntohs(iptr->ip_len); ht->recv[history_pos] += ntohs(iptr->ip_len);
} }
} }

2
iftop.h
View File

@@ -8,7 +8,7 @@
/* 60 / 3 */ /* 60 / 3 */
#define HISTORY_LENGTH 20 #define HISTORY_LENGTH 20
#define RESOLUTION 1 #define RESOLUTION 2
typedef struct { typedef struct {
long recv[HISTORY_LENGTH]; long recv[HISTORY_LENGTH];

169
ui.c
View File

@@ -41,7 +41,8 @@ int screen_line_compare(void* a, void* b) {
int i; int i;
host_pair_line* aa = (host_pair_line*)a; host_pair_line* aa = (host_pair_line*)a;
host_pair_line* bb = (host_pair_line*)b; host_pair_line* bb = (host_pair_line*)b;
for(i = 0; i < HISTORY_DIVISIONS; i++) { /* Ignore the first division so that stuff doesn't jump around too much */
for(i = 1; i < HISTORY_DIVISIONS; i++) {
if(aa->recv[i] + aa->sent[i] != bb->recv[i] + bb->sent[i]) { if(aa->recv[i] + aa->sent[i] != bb->recv[i] + bb->sent[i]) {
return(aa->recv[i] + aa->sent[i] < bb->recv[i] + bb->sent[i]); return(aa->recv[i] + aa->sent[i] < bb->recv[i] + bb->sent[i]);
} }
@@ -75,23 +76,55 @@ static int get_bar_length(const int rate) {
static void draw_bar_scale(void) { static void draw_bar_scale(void) {
int i; int i;
int y = 1;
/* Draw bar graph scale on top of the window. */ /* Draw bar graph scale on top of the window. */
mvhline(2, 0, 0, COLS); mvhline(y + 1, 0, 0, COLS);
for (i = min_rate; i <= max_rate; i *= 10) { for (i = min_rate; i <= max_rate; i *= 10) {
char s[40], *p; char s[40], *p;
int x; int x;
readable_size(i, s, sizeof s, 1000); readable_size(i, s, sizeof s, 1000);
p = s + strspn(s, " "); p = s + strspn(s, " ");
x = get_bar_length(i); x = get_bar_length(i);
mvaddch(2, x, ACS_BTEE); mvaddch(y + 1, x, ACS_BTEE);
if (x + strlen(p) >= COLS) if (x + strlen(p) >= COLS)
x = COLS - strlen(p); x = COLS - strlen(p);
mvaddstr(1, x, p); mvaddstr(y, x, p);
} }
mvaddch(2, 0, ACS_LLCORNER); mvaddch(y + 1, 0, ACS_LLCORNER);
} }
static int dnsresolution = 1; void draw_line_totals(int y, host_pair_line* line) {
int j;
char buf[10];
int x = (COLS - 8 * HISTORY_DIVISIONS);
for(j = 0; j < HISTORY_DIVISIONS; j++) {
int t;
if(history_len < history_divs[j]) {
t = history_len * RESOLUTION;
} else {
t = history_divs[j] * RESOLUTION;
}
readable_size(8 * line->sent[j] / t, buf, 10, 1024);
mvaddstr(y, x, buf);
readable_size(8 * line->recv[j] / t, buf, 10, 1024);
mvaddstr(y+1, x, buf);
x += 8;
}
}
void draw_totals(host_pair_line* totals) {
/* Draw rule */
int y = LINES - 3;
mvhline(y, 0, 0, COLS);
y++;
draw_line_totals(y, totals);
}
int dnsresolution = 1;
void ui_print() { void ui_print() {
hash_node_type* n = NULL; hash_node_type* n = NULL;
@@ -99,8 +132,11 @@ void ui_print() {
char hostname[HOSTNAME_LENGTH]; char hostname[HOSTNAME_LENGTH];
static char *line; static char *line;
static int lcols; static int lcols;
int y = 3; int peaksent = 0;
int peakrecv = 0;
int y = 0;
sorted_list_type screen_list; sorted_list_type screen_list;
host_pair_line totals;
if (!line || lcols != COLS) { if (!line || lcols != COLS) {
xfree(line); xfree(line);
@@ -124,6 +160,8 @@ void ui_print() {
: " name resolution on "); : " name resolution on ");
draw_bar_scale(); draw_bar_scale();
memset(&totals, 0, sizeof totals);
while(hash_next_item(history, &n) == HASH_STATUS_OK) { while(hash_next_item(history, &n) == HASH_STATUS_OK) {
history_type* d = (history_type*)n->rec; history_type* d = (history_type*)n->rec;
host_pair_line* screen_line; host_pair_line* screen_line;
@@ -135,79 +173,100 @@ void ui_print() {
for(i = 0; i < HISTORY_LENGTH; i++) { for(i = 0; i < HISTORY_LENGTH; i++) {
int j; int j;
int ii = (HISTORY_LENGTH + history_pos - i) % HISTORY_LENGTH; int ii = (HISTORY_LENGTH + history_pos - i) % HISTORY_LENGTH;
int tsent, trecv;
tsent = trecv = 0;
trecv += d->recv[ii];
tsent += d->sent[ii];
for(j = 0; j < HISTORY_DIVISIONS; j++) { for(j = 0; j < HISTORY_DIVISIONS; j++) {
if(i < history_divs[j]) { if(i < history_divs[j]) {
screen_line->recv[j] += d->recv[ii]; screen_line->recv[j] += d->recv[ii];
totals.recv[j] += d->recv[ii];
screen_line->sent[j] += d->sent[ii]; screen_line->sent[j] += d->sent[ii];
totals.sent[j] += d->sent[ii];
} }
} }
if(trecv > peakrecv)
peakrecv = trecv;
if(tsent > peaksent)
peaksent = tsent;
} }
sorted_list_insert(&screen_list, screen_line); sorted_list_insert(&screen_list, screen_line);
} }
y = 3;
/* Screen layout: we have 2 * HISTORY_DIVISIONS 6-character wide history /* Screen layout: we have 2 * HISTORY_DIVISIONS 6-character wide history
* items, and so can use COLS - 12 * HISTORY_DIVISIONS to print the two * items, and so can use COLS - 12 * HISTORY_DIVISIONS to print the two
* host names. */ * host names. */
while((nn = sorted_list_next_item(&screen_list, nn)) != NULL) { while((nn = sorted_list_next_item(&screen_list, nn)) != NULL) {
int x = 0, j, L, t; int x = 0, L;
host_pair_line* screen_line = (host_pair_line*)nn->data; host_pair_line* screen_line = (host_pair_line*)nn->data;
L = (COLS - 8 * HISTORY_DIVISIONS - 4) / 2; if(y < LINES - 5) {
if(L > sizeof hostname) { L = (COLS - 8 * HISTORY_DIVISIONS - 4) / 2;
L = sizeof hostname; if(L > sizeof hostname) {
} L = sizeof hostname;
if (dnsresolution)
resolve(&screen_line->ap->src, hostname, L);
else
strcpy(hostname, inet_ntoa(screen_line->ap->src));
sprintf(line, "%-*s", L, hostname);
mvaddstr(y, x, line);
x += L;
mvaddstr(y, x, " => ");
mvaddstr(y+1, x, " <= ");
x += 4;
if (dnsresolution)
resolve(&screen_line->ap->dst, hostname, L);
else
strcpy(hostname, inet_ntoa(screen_line->ap->dst));
sprintf(line, "%-*s", L, hostname);
mvaddstr(y, x, line);
x += L;
for(j = 0; j < HISTORY_DIVISIONS; j++) {
if(history_len < history_divs[j]) {
t = history_len * RESOLUTION;
} else {
t = history_divs[j] * RESOLUTION;
} }
readable_size(8 * screen_line->sent[j] / t, line, 10, 1024);
if (dnsresolution)
resolve(&screen_line->ap->src, hostname, L);
else
strcpy(hostname, inet_ntoa(screen_line->ap->src));
sprintf(line, "%-*s", L, hostname);
mvaddstr(y, x, line); mvaddstr(y, x, line);
x += L;
readable_size(8 * screen_line->recv[j] / t, line, 10, 1024); mvaddstr(y, x, " => ");
mvaddstr(y+1, x, line); mvaddstr(y+1, x, " <= ");
x += 8;
x += 4;
if (dnsresolution)
resolve(&screen_line->ap->dst, hostname, L);
else
strcpy(hostname, inet_ntoa(screen_line->ap->dst));
sprintf(line, "%-*s", L, hostname);
mvaddstr(y, x, line);
draw_line_totals(y, screen_line);
/* Do some sort of primitive bar graph thing. */
mvchgat(y, 0, -1, A_NORMAL, 0, NULL);
L = get_bar_length(8 * screen_line->sent[0] / history_divs[0]);
if (L > 0)
mvchgat(y, 0, L, A_REVERSE, 0, NULL);
mvchgat(y+1, 0, -1, A_NORMAL, 0, NULL);
L = get_bar_length(8 * screen_line->recv[0] / history_divs[0]);
if (L > 0)
mvchgat(y+1, 0, L, A_REVERSE, 0, NULL);
} }
y += 2;
/* Do some sort of primitive bar graph thing. */
mvchgat(y, 0, -1, A_NORMAL, 0, NULL);
L = get_bar_length(8 * screen_line->sent[0] / history_divs[0]);
if (L > 0)
mvchgat(y, 0, L, A_REVERSE, 0, NULL);
mvchgat(y+1, 0, -1, A_NORMAL, 0, NULL);
L = get_bar_length(8 * screen_line->recv[0] / history_divs[0]);
if (L > 0)
mvchgat(y+1, 0, L, A_REVERSE, 0, NULL);
y+=2;
free(screen_line); free(screen_line);
} }
draw_totals(&totals);
y = LINES - 2;
mvaddstr(y, 0, "sent peak: ");
mvaddstr(y+1, 0, "recv ");
readable_size(peaksent * 8 / RESOLUTION, line, 10, 1024);
mvaddstr(y, 15, line);
readable_size(peakrecv * 8 / RESOLUTION, line, 10, 1024);
mvaddstr(y+1, 15, line);
mvaddstr(y, COLS - 8 * HISTORY_DIVISIONS - 10, "totals:");
refresh(); refresh();
sorted_list_destroy(&screen_list); sorted_list_destroy(&screen_list);