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wireshark/ui/cli/tap-iostat.c

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/* tap-iostat.c
* iostat 2002 Ronnie Sahlberg
*
* $Id$
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#include <string.h>
#include "epan/epan_dissect.h"
#include "epan/packet_info.h"
#include <epan/tap.h>
#include <epan/stat_cmd_args.h>
#include <epan/strutil.h>
typedef struct _io_stat_t {
gint64 interval; /* unit is us */
guint32 num_items;
struct _io_stat_item_t *items;
const char **filters;
} io_stat_t;
#define CALC_TYPE_FRAMES 0
#define CALC_TYPE_BYTES 1
#define CALC_TYPE_FRAMES_AND_BYTES 2
#define CALC_TYPE_COUNT 3
#define CALC_TYPE_SUM 4
#define CALC_TYPE_MIN 5
#define CALC_TYPE_MAX 6
#define CALC_TYPE_AVG 7
#define CALC_TYPE_LOAD 8
typedef struct _io_stat_item_t {
io_stat_t *parent;
struct _io_stat_item_t *next;
struct _io_stat_item_t *prev;
gint64 time; /* unit is us since start of capture */
int calc_type;
int hf_index;
guint64 frames;
guint64 num;
guint64 counter;
gfloat float_counter;
gdouble double_counter;
} io_stat_item_t;
#define NANOSECS_PER_SEC 1000000000
static int
iostat_packet(void *arg, packet_info *pinfo, epan_dissect_t *edt, const void *dummy _U_)
{
io_stat_item_t *mit = arg;
io_stat_item_t *it;
gint64 current_time, ct;
GPtrArray *gp;
guint i;
current_time = (gint64)(pinfo->fd->rel_ts.secs*1000000) + (pinfo->fd->rel_ts.nsecs+500)/1000;
/* the prev item before the main one is always the last interval we saw packets for */
it=mit->prev;
/* XXX for the time being, just ignore all frames that are in the past.
should be fixed in the future but hopefully it is uncommon */
if(current_time<it->time){
return FALSE;
}
/* we have moved into a new interval, we need to create a new struct */
ct = current_time;
while(ct >= (it->time + mit->parent->interval)){
it->next=g_malloc(sizeof(io_stat_item_t));
it->next->prev=it;
it->next->next=NULL;
it=it->next;
mit->prev=it;
it->time = it->prev->time + mit->parent->interval;
it->frames = 0;
it->counter = 0;
it->float_counter = 0;
it->double_counter = 0;
it->num = 0;
it->calc_type=it->prev->calc_type;
it->hf_index=it->prev->hf_index;
}
/* it will now give us the current structure to use to store the data in */
it->frames++;
switch(it->calc_type){
case CALC_TYPE_BYTES:
case CALC_TYPE_FRAMES:
case CALC_TYPE_FRAMES_AND_BYTES:
it->counter+=pinfo->fd->pkt_len;
break;
case CALC_TYPE_COUNT:
gp=proto_get_finfo_ptr_array(edt->tree, it->hf_index);
if(gp){
it->counter+=gp->len;
}
break;
case CALC_TYPE_SUM:
gp=proto_get_finfo_ptr_array(edt->tree, it->hf_index);
if(gp){
guint64 val;
nstime_t *new_time;
for(i=0;i<gp->len;i++){
switch(proto_registrar_get_ftype(it->hf_index)){
case FT_UINT8:
case FT_UINT16:
case FT_UINT24:
case FT_UINT32:
it->counter+=fvalue_get_uinteger(&((field_info *)gp->pdata[i])->value);
break;
case FT_UINT64:
it->counter+=fvalue_get_integer64(&((field_info *)gp->pdata[i])->value);
break;
case FT_INT8:
case FT_INT16:
case FT_INT24:
case FT_INT32:
it->counter+=fvalue_get_sinteger(&((field_info *)gp->pdata[i])->value);
break;
case FT_INT64:
it->counter+=(gint64)fvalue_get_integer64(&((field_info *)gp->pdata[i])->value);
break;
case FT_FLOAT:
it->float_counter+=(gfloat)fvalue_get_floating(&((field_info *)gp->pdata[i])->value);
break;
case FT_DOUBLE:
it->double_counter+=fvalue_get_floating(&((field_info *)gp->pdata[i])->value);
break;
case FT_RELATIVE_TIME:
new_time = fvalue_get(&((field_info *)gp->pdata[i])->value);
val=(guint64)(new_time->secs) * NANOSECS_PER_SEC + new_time->nsecs;
it->counter += val;
break;
}
}
}
break;
case CALC_TYPE_MIN:
gp=proto_get_finfo_ptr_array(edt->tree, it->hf_index);
if(gp){
int type;
guint64 val;
gfloat float_val;
gdouble double_val;
nstime_t *new_time;
type=proto_registrar_get_ftype(it->hf_index);
for(i=0;i<gp->len;i++){
switch(type){
case FT_UINT8:
case FT_UINT16:
case FT_UINT24:
case FT_UINT32:
val=fvalue_get_uinteger(&((field_info *)gp->pdata[i])->value);
if((it->frames==1)&&(i==0)){
it->counter=val;
} else if(val<it->counter){
it->counter=val;
}
break;
case FT_UINT64:
val=fvalue_get_integer64(&((field_info *)gp->pdata[i])->value);
if((it->frames==1)&&(i==0)){
it->counter=val;
} else if(val<it->counter){
it->counter=val;
}
break;
case FT_INT8:
case FT_INT16:
case FT_INT24:
case FT_INT32:
val=fvalue_get_sinteger(&((field_info *)gp->pdata[i])->value);
if((it->frames==1)&&(i==0)){
it->counter=val;
} else if((gint32)val<(gint32)(it->counter)){
it->counter=val;
}
break;
case FT_INT64:
val=fvalue_get_integer64(&((field_info *)gp->pdata[i])->value);
if((it->frames==1)&&(i==0)){
it->counter=val;
} else if((gint64)val<(gint64)(it->counter)){
it->counter=val;
}
break;
case FT_FLOAT:
float_val=(gfloat)fvalue_get_floating(&((field_info *)gp->pdata[i])->value);
if((it->frames==1)&&(i==0)){
it->float_counter=float_val;
} else if(float_val<it->float_counter){
it->float_counter=float_val;
}
break;
case FT_DOUBLE:
double_val=fvalue_get_floating(&((field_info *)gp->pdata[i])->value);
if((it->frames==1)&&(i==0)){
it->double_counter=double_val;
} else if(double_val<it->double_counter){
it->double_counter=double_val;
}
break;
case FT_RELATIVE_TIME:
new_time=fvalue_get(&((field_info *)gp->pdata[i])->value);
val=(guint64)(new_time->secs) * NANOSECS_PER_SEC + new_time->nsecs;
if((it->frames==1)&&(i==0)){
it->counter=val;
} else if(val<it->counter){
it->counter=val;
}
break;
}
}
}
break;
case CALC_TYPE_MAX:
gp=proto_get_finfo_ptr_array(edt->tree, it->hf_index);
if(gp){
int type;
guint64 val;
gfloat float_val;
gdouble double_val;
nstime_t *new_time;
type=proto_registrar_get_ftype(it->hf_index);
for(i=0;i<gp->len;i++){
switch(type){
case FT_UINT8:
case FT_UINT16:
case FT_UINT24:
case FT_UINT32:
val=fvalue_get_uinteger(&((field_info *)gp->pdata[i])->value);
if((it->frames==1)&&(i==0)){
it->counter=val;
} else if(val>it->counter){
it->counter=val;
}
break;
case FT_UINT64:
val=fvalue_get_integer64(&((field_info *)gp->pdata[i])->value);
if((it->frames==1)&&(i==0)){
it->counter=val;
} else if(val>it->counter){
it->counter=val;
}
break;
case FT_INT8:
case FT_INT16:
case FT_INT24:
case FT_INT32:
val=fvalue_get_sinteger(&((field_info *)gp->pdata[i])->value);
if((it->frames==1)&&(i==0)){
it->counter=val;
} else if((gint32)val>(gint32)(it->counter)){
it->counter=val;
}
break;
case FT_INT64:
val=fvalue_get_integer64(&((field_info *)gp->pdata[i])->value);
if((it->frames==1)&&(i==0)){
it->counter=val;
} else if((gint64)val>(gint64)(it->counter)){
it->counter=val;
}
break;
case FT_FLOAT:
float_val=(gfloat)fvalue_get_floating(&((field_info *)gp->pdata[i])->value);
if((it->frames==1)&&(i==0)){
it->float_counter=float_val;
} else if(float_val>it->float_counter){
it->float_counter=float_val;
}
break;
case FT_DOUBLE:
double_val=fvalue_get_floating(&((field_info *)gp->pdata[i])->value);
if((it->frames==1)&&(i==0)){
it->double_counter=double_val;
} else if(double_val>it->double_counter){
it->double_counter=double_val;
}
break;
case FT_RELATIVE_TIME:
new_time=fvalue_get(&((field_info *)gp->pdata[i])->value);
val=(guint64)(new_time->secs) * NANOSECS_PER_SEC + new_time->nsecs;
if((it->frames==1)&&(i==0)){
it->counter=val;
} else if(val>it->counter){
it->counter=val;
}
break;
}
}
}
break;
case CALC_TYPE_AVG:
gp=proto_get_finfo_ptr_array(edt->tree, it->hf_index);
if(gp){
int type;
guint64 val;
nstime_t *new_time;
type=proto_registrar_get_ftype(it->hf_index);
for(i=0;i<gp->len;i++){
it->num++;
switch(type){
case FT_UINT8:
case FT_UINT16:
case FT_UINT24:
case FT_UINT32:
val=fvalue_get_uinteger(&((field_info *)gp->pdata[i])->value);
it->counter+=val;
break;
case FT_UINT64:
case FT_INT64:
val=fvalue_get_integer64(&((field_info *)gp->pdata[i])->value);
it->counter+=val;
break;
case FT_INT8:
case FT_INT16:
case FT_INT24:
case FT_INT32:
val=fvalue_get_sinteger(&((field_info *)gp->pdata[i])->value);
it->counter+=val;
break;
case FT_FLOAT:
it->float_counter+=(gfloat)fvalue_get_floating(&((field_info *)gp->pdata[i])->value);
break;
case FT_DOUBLE:
it->double_counter+=fvalue_get_floating(&((field_info *)gp->pdata[i])->value);
break;
case FT_RELATIVE_TIME:
new_time=fvalue_get(&((field_info *)gp->pdata[i])->value);
val=(guint64)(new_time->secs) * NANOSECS_PER_SEC + new_time->nsecs;
it->counter+=val;
break;
}
}
}
break;
case CALC_TYPE_LOAD:
gp=proto_get_finfo_ptr_array(edt->tree, it->hf_index);
if(gp){
int type;
type=proto_registrar_get_ftype(it->hf_index);
if (type != FT_RELATIVE_TIME) {
fprintf(stderr,
"\ntshark: LOAD() is only supported for relative-time fiels such as smb.time\n"
);
exit(10);
}
for(i=0;i<gp->len;i++){
guint64 val;
int tival;
nstime_t *new_time;
io_stat_item_t *pit;
new_time=fvalue_get(&((field_info *)gp->pdata[i])->value);
val=(guint64)(new_time->secs)*1000000 + new_time->nsecs/1000;
tival = (int)(val % mit->parent->interval);
it->counter += tival;
val -= tival;
pit = it->prev;
while (val > 0) {
if (val < (guint64)mit->parent->interval) {
pit->counter += val;
val = 0;
break;
}
pit->counter += mit->parent->interval;
val -= mit->parent->interval;
pit = pit->prev;
}
}
}
break;
}
return TRUE;
}
static void
iostat_draw(void *arg)
{
io_stat_item_t *mit = arg;
io_stat_t *iot;
io_stat_item_t **items;
guint64 *frames;
guint64 *counters;
gfloat *float_counters;
gdouble *double_counters;
guint64 *num;
guint32 i;
guint32 borderLen=68;
gboolean more_items;
gint64 t;
iot=mit->parent;
printf("\n");
/* Display the table border */
for(i=0;i<iot->num_items;i++){
if(iot->items[i].calc_type==CALC_TYPE_FRAMES_AND_BYTES)
borderLen+=17;
}
if(iot->interval!=G_MAXINT32)
borderLen+=8;
if(iot->num_items>3)
borderLen+=(iot->num_items-3)*17;
for(i=0;i<borderLen;i++){
printf("=");
}
printf("\n");
printf("IO Statistics\n");
if(iot->interval!=G_MAXINT32)
printf("Interval: %3" G_GINT64_MODIFIER "u.%06" G_GINT64_MODIFIER "u secs\n",
iot->interval/1000000, iot->interval%1000000);
for(i=0;i<iot->num_items;i++){
printf("Column #%u: %s\n",i,iot->filters[i]?iot->filters[i]:"");
}
if(iot->interval==G_MAXINT32){
printf(" |");
} else {
printf(" |");
}
for(i=0;i<iot->num_items;i++){
if(iot->items[i].calc_type==CALC_TYPE_FRAMES_AND_BYTES){
printf(" Column #%-2u |",i);
} else {
printf(" Column #%-2u |",i);
}
}
printf("\n");
if(iot->interval==G_MAXINT32) {
printf("Time |");
} else {
printf("Time |");
}
for(i=0;i<iot->num_items;i++){
switch(iot->items[i].calc_type){
case CALC_TYPE_FRAMES:
printf(" FRAMES |");
break;
case CALC_TYPE_BYTES:
printf(" BYTES |");
break;
case CALC_TYPE_FRAMES_AND_BYTES:
printf(" Frames | Bytes |");
break;
case CALC_TYPE_COUNT:
printf(" COUNT |");
break;
case CALC_TYPE_SUM:
printf(" SUM |");
break;
case CALC_TYPE_MIN:
printf(" MIN |");
break;
case CALC_TYPE_MAX:
printf(" MAX |");
break;
case CALC_TYPE_AVG:
printf(" AVG |");
break;
case CALC_TYPE_LOAD:
printf(" LOAD |");
break;
}
}
printf("\n");
items=g_malloc(sizeof(io_stat_item_t *)*iot->num_items);
frames=g_malloc(sizeof(guint64)*iot->num_items);
counters=g_malloc(sizeof(guint64)*iot->num_items);
float_counters=g_malloc(sizeof(gfloat)*iot->num_items);
double_counters=g_malloc(sizeof(gdouble)*iot->num_items);
num=g_malloc(sizeof(guint64)*iot->num_items);
/* preset all items at the first interval */
for(i=0;i<iot->num_items;i++){
items[i]=&iot->items[i];
}
/* loop the items until we run out of them all */
t=0;
do {
more_items=FALSE;
for(i=0;i<iot->num_items;i++){
frames[i]=0;
counters[i]=0;
float_counters[i]=0;
double_counters[i]=0;
num[i]=0;
}
for(i=0;i<iot->num_items;i++){
if(items[i] && (t>=(items[i]->time+iot->interval))){
items[i]=items[i]->next;
}
if(items[i] && (t<(items[i]->time+iot->interval)) && (t>=items[i]->time) ){
frames[i]=items[i]->frames;
counters[i]=items[i]->counter;
float_counters[i]=items[i]->float_counter;
double_counters[i]=items[i]->double_counter;
num[i]=items[i]->num;
}
if(items[i]){
more_items=TRUE;
}
}
if(more_items){
if(iot->interval==G_MAXINT32) {
printf("000.000- ");
} else {
printf("%04u.%06u-%04u.%06u ",
(int)(t/1000000),(int)(t%1000000),
(int)((t+iot->interval)/1000000),
(int)((t+iot->interval)%1000000));
}
for(i=0;i<iot->num_items;i++){
switch(iot->items[i].calc_type){
case CALC_TYPE_FRAMES:
printf(" %15" G_GINT64_MODIFIER "u ", frames[i]);
break;
case CALC_TYPE_BYTES:
printf(" %15" G_GINT64_MODIFIER "u ", counters[i]);
break;
case CALC_TYPE_FRAMES_AND_BYTES:
printf(" %15" G_GINT64_MODIFIER "u %15" G_GINT64_MODIFIER "u ", frames[i], counters[i]);
break;
case CALC_TYPE_COUNT:
printf(" %15" G_GINT64_MODIFIER "u ", counters[i]);
break;
case CALC_TYPE_SUM:
switch(proto_registrar_get_ftype(iot->items[i].hf_index)){
case FT_UINT8:
case FT_UINT16:
case FT_UINT24:
case FT_UINT32:
case FT_UINT64:
case FT_INT8:
case FT_INT16:
case FT_INT24:
case FT_INT32:
case FT_INT64:
printf(" %15" G_GINT64_MODIFIER "u ", counters[i]);
break;
case FT_FLOAT:
printf(" %f ", float_counters[i]);
break;
case FT_DOUBLE:
printf(" %f ", double_counters[i]);
break;
case FT_RELATIVE_TIME:
counters[i] = (counters[i]+500)/1000;
printf(" %8u.%06u ",
(int)(counters[i]/1000000), (int)(counters[i]%1000000));
break;
}
break;
case CALC_TYPE_MIN:
switch(proto_registrar_get_ftype(iot->items[i].hf_index)){
case FT_UINT8:
case FT_UINT16:
case FT_UINT24:
case FT_UINT32:
case FT_UINT64:
printf(" %15" G_GINT64_MODIFIER "u ", counters[i]);
break;
case FT_INT8:
case FT_INT16:
case FT_INT24:
case FT_INT32:
case FT_INT64:
printf(" %15" G_GINT64_MODIFIER "d ", counters[i]);
break;
case FT_FLOAT:
printf(" %f ", float_counters[i]);
break;
case FT_DOUBLE:
printf(" %f ", double_counters[i]);
break;
case FT_RELATIVE_TIME:
counters[i]=(counters[i]+500)/1000;
printf(" %8u.%06u ",
(int)(counters[i]/1000000), (int)(counters[i]%1000000));
break;
}
break;
case CALC_TYPE_MAX:
switch(proto_registrar_get_ftype(iot->items[i].hf_index)){
case FT_UINT8:
case FT_UINT16:
case FT_UINT24:
case FT_UINT32:
case FT_UINT64:
printf(" %15u ", (int)(counters[i]));
break;
case FT_INT8:
case FT_INT16:
case FT_INT24:
case FT_INT32:
case FT_INT64:
printf(" %15" G_GINT64_MODIFIER "d ", counters[i]);
break;
case FT_FLOAT:
printf(" %f ", float_counters[i]);
break;
case FT_DOUBLE:
printf(" %f ", double_counters[i]);
break;
case FT_RELATIVE_TIME:
counters[i]=(counters[i]+500)/1000;
printf(" %8u.%06u ",
(int)(counters[i]/1000000), (int)(counters[i]%1000000));
break;
}
break;
case CALC_TYPE_AVG:
if(num[i]==0){
num[i]=1;
}
switch(proto_registrar_get_ftype(iot->items[i].hf_index)){
case FT_UINT8:
case FT_UINT16:
case FT_UINT24:
case FT_UINT32:
case FT_UINT64:
printf(" %15" G_GINT64_MODIFIER "u ", counters[i]/num[i]);
break;
case FT_INT8:
case FT_INT16:
case FT_INT24:
case FT_INT32:
case FT_INT64:
printf(" %15" G_GINT64_MODIFIER "d ", counters[i]/num[i]);
break;
case FT_FLOAT:
printf(" %f ", float_counters[i]/num[i]);
break;
case FT_DOUBLE:
printf(" %f ", double_counters[i]/num[i]);
break;
case FT_RELATIVE_TIME:
counters[i]=((counters[i]/num[i])+500)/1000;
printf(" %8u.%06u ",
(int)(counters[i]/1000000), (int)(counters[i]%1000000));
break;
}
break;
case CALC_TYPE_LOAD:
switch(proto_registrar_get_ftype(iot->items[i].hf_index)){
case FT_RELATIVE_TIME:
printf("%8u.%06u ",
(int)(counters[i]/iot->interval), (int)((counters[i]%iot->interval)*1000000/iot->interval));
break;
}
break;
}
}
printf("\n");
}
t+=iot->interval;
} while(more_items);
for(i=0;i<borderLen;i++){
printf("=");
}
printf("\n");
g_free(items);
g_free(frames);
g_free(counters);
g_free(float_counters);
g_free(double_counters);
g_free(num);
}
typedef struct {
const char *func_name;
int calc_type;
} calc_type_ent_t;
static calc_type_ent_t calc_type_table[] = {
{ "FRAMES", CALC_TYPE_FRAMES },
{ "BYTES", CALC_TYPE_BYTES },
{ "COUNT", CALC_TYPE_COUNT },
{ "SUM", CALC_TYPE_SUM },
{ "MIN", CALC_TYPE_MIN },
{ "MAX", CALC_TYPE_MAX },
{ "AVG", CALC_TYPE_AVG },
{ "LOAD", CALC_TYPE_LOAD },
{ NULL, 0 }
};
static void
register_io_tap(io_stat_t *io, int i, const char *filter)
{
GString *error_string;
const char *flt;
int j;
size_t namelen;
const char *p, *parenp;
char *field;
header_field_info *hfi;
io->items[i].prev=&io->items[i];
io->items[i].next=NULL;
io->items[i].parent=io;
io->items[i].time=0;
io->items[i].calc_type=CALC_TYPE_FRAMES_AND_BYTES;
io->items[i].frames=0;
io->items[i].counter=0;
io->items[i].num=0;
io->filters[i]=filter;
flt=filter;
field=NULL;
hfi=NULL;
for(j=0; calc_type_table[j].func_name; j++){
namelen=strlen(calc_type_table[j].func_name);
if(filter && strncmp(filter, calc_type_table[j].func_name, namelen) == 0) {
io->items[i].calc_type=calc_type_table[j].calc_type;
if(*(filter+namelen)=='(') {
p=filter+namelen+1;
parenp=strchr(p, ')');
if(!parenp){
fprintf(stderr, "\ntshark: Closing parenthesis missing from calculated expression.\n");
exit(10);
}
if(io->items[i].calc_type==CALC_TYPE_FRAMES || io->items[i].calc_type==CALC_TYPE_BYTES){
if(parenp!=p) {
fprintf(stderr, "\ntshark: %s does require or allow a field name within the parens.\n",
calc_type_table[j].func_name);
exit(10);
}
} else {
if(parenp==p) {
/* bail out if a field name was not specified */
fprintf(stderr, "\ntshark: You didn't specify a field name for %s(*).\n",
calc_type_table[j].func_name);
exit(10);
}
}
field=g_malloc(parenp-p+1);
memcpy(field, p, parenp-p);
field[parenp-p] = '\0';
flt=parenp + 1;
if (io->items[i].calc_type==CALC_TYPE_FRAMES || io->items[i].calc_type==CALC_TYPE_BYTES)
break;
hfi=proto_registrar_get_byname(field);
if(!hfi){
fprintf(stderr, "\ntshark: There is no field named '%s'.\n",
field);
g_free(field);
exit(10);
}
io->items[i].hf_index=hfi->id;
break;
}
} else {
if (io->items[i].calc_type==CALC_TYPE_FRAMES || io->items[i].calc_type==CALC_TYPE_BYTES)
flt="";
}
}
if(hfi && !(io->items[i].calc_type==CALC_TYPE_BYTES ||
io->items[i].calc_type==CALC_TYPE_FRAMES ||
io->items[i].calc_type==CALC_TYPE_FRAMES_AND_BYTES)){
/* check that the type is compatible */
switch(hfi->type){
case FT_UINT8:
case FT_UINT16:
case FT_UINT24:
case FT_UINT32:
case FT_UINT64:
case FT_INT8:
case FT_INT16:
case FT_INT24:
case FT_INT32:
case FT_INT64:
/* these types support all calculations */
break;
case FT_FLOAT:
case FT_DOUBLE:
/* these types only support SUM, COUNT, MAX, MIN, AVG */
switch(io->items[i].calc_type){
case CALC_TYPE_SUM:
case CALC_TYPE_COUNT:
case CALC_TYPE_MAX:
case CALC_TYPE_MIN:
case CALC_TYPE_AVG:
break;
default:
fprintf(stderr,
"\ntshark: %s is a float field, so %s(*) calculations are not supported on it.",
field,
calc_type_table[j].func_name);
exit(10);
}
break;
case FT_RELATIVE_TIME:
/* this type only supports SUM, COUNT, MAX, MIN, AVG, LOAD */
switch(io->items[i].calc_type){
case CALC_TYPE_SUM:
case CALC_TYPE_COUNT:
case CALC_TYPE_MAX:
case CALC_TYPE_MIN:
case CALC_TYPE_AVG:
case CALC_TYPE_LOAD:
break;
default:
fprintf(stderr,
"\ntshark: %s is a relative-time field, so %s(*) calculations are not supported on it.",
field,
calc_type_table[j].func_name);
exit(10);
}
break;
default:
/*
* XXX - support all operations on floating-point
* numbers?
*/
if(io->items[i].calc_type!=CALC_TYPE_COUNT){
fprintf(stderr,
"\ntshark: %s doesn't have integral values, so %s(*) calculations are not supported on it.\n",
field,
calc_type_table[j].func_name);
exit(10);
}
break;
}
g_free(field);
}
error_string=register_tap_listener("frame", &io->items[i], flt, TL_REQUIRES_PROTO_TREE, NULL, iostat_packet, i?NULL:iostat_draw);
if(error_string){
g_free(io->items);
g_free(io);
fprintf(stderr, "\ntshark: Couldn't register io,stat tap: %s\n",
error_string->str);
g_string_free(error_string, TRUE);
exit(1);
}
}
static void
iostat_init(const char *optarg, void* userdata _U_)
{
gdouble interval_float;
gint64 interval;
int idx=0;
io_stat_t *io;
const char *filter=NULL;
if(sscanf(optarg,"io,stat,%lf,%n",&interval_float,&idx)==1){
if(idx){
if(*(optarg+idx)==',')
filter=optarg+idx+1;
else
filter=optarg+idx;
} else {
filter=NULL;
}
} else {
fprintf(stderr, "\ntshark: invalid \"-z io,stat,<interval>[,<filter>]\" argument\n");
exit(1);
}
/* if interval is 0, calculate statistics over the whole file
* by setting the interval to G_MAXINT32
*/
if(interval_float==0) {
interval=G_MAXINT32;
} else {
/* make interval be number of us rounded to the nearest integer*/
interval=(gint64)(interval_float*1000000.0+0.5);
}
if(interval<1){
fprintf(stderr,
"\ntshark: \"-z\" interval must be >=0.000001 seconds or \"0\" for the entire capture duration.\n");
exit(10);
}
io=g_malloc(sizeof(io_stat_t));
io->interval=interval;
if((!filter)||(filter[0]==0)){
io->num_items=1;
io->items=g_malloc(sizeof(io_stat_item_t)*io->num_items);
io->filters=g_malloc(sizeof(char *)*io->num_items);
register_io_tap(io, 0, NULL);
} else {
const char *str,*pos;
char *tmp;
int i;
/* find how many ',' separated filters we have */
str=filter;
io->num_items=1;
while((str=strchr(str,','))){
io->num_items++;
str++;
}
io->items=g_malloc(sizeof(io_stat_item_t)*io->num_items);
io->filters=g_malloc(sizeof(char *)*io->num_items);
/* for each filter, register a tap listener */
i=0;
str=filter;
do{
pos=strchr(str,',');
if(pos==str){
register_io_tap(io, i, NULL);
} else if(pos==NULL) {
tmp=g_strdup(str);
register_io_tap(io, i, tmp);
} else {
tmp=g_malloc((pos-str)+1);
g_strlcpy(tmp,str,(pos-str)+1);
register_io_tap(io, i, tmp);
}
str=pos+1;
i++;
} while(pos);
}
}
void
register_tap_listener_iostat(void)
{
register_stat_cmd_arg("io,stat,", iostat_init, NULL);
}
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