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wireshark/ui/gtk/sctp_graph_dlg.c

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/*
* Copyright 2004, Irene Ruengeler <i.ruengeler [AT] fh-muenster.de>
* Copyright 2009, Varun Notibala <nbvarun [AT] gmail.com>
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include <gtk/gtk.h>
#include "wsutil/filesystem.h"
#include <epan/strutil.h>
#include "../globals.h"
#include "ui/ui_util.h"
#include "ui/simple_dialog.h"
#include "ui/gtk/dlg_utils.h"
#include "ui/gtk/main.h"
#include "ui/tap-sctp-analysis.h"
#include "ui/gtk/sctp_stat_gtk.h"
#include "ui/gtk/gui_utils.h"
#include "ui/gtk/old-gtk-compat.h"
#include "ui/gtk/stock_icons.h"
#define DEFAULT_PIXELS_PER_TICK 2
#define MAX_PIXELS_PER_TICK 4
#define AUTO_MAX_YSCALE 0
#define MAX_TICK_VALUES 5
#define DEFAULT_TICK_VALUE 3
#define MAX_YSCALE 22
#define MAX_COUNT_TYPES 3
#define COUNT_TYPE_FRAMES 0
#define COUNT_TYPE_BYTES 1
#define COUNT_TYPE_ADVANCED 2
#define LEFT_BORDER 60
#define RIGHT_BORDER 10
#define TOP_BORDER 10
#define BOTTOM_BORDER 50
#define SUB_32(a, b) ((a)-(b))
#define POINT_SIZE 1
static GtkWidget * sack_bt;
/*
* Global variables that help in redrawing graph
* for SACK and NRSACK
*/
static guint8 gIsSackChunkPresent = 0;
static guint8 gIsNRSackChunkPresent = 0;
struct chunk_header {
guint8 type;
guint8 flags;
guint16 length;
};
struct data_chunk_header {
guint8 type;
guint8 flags;
guint16 length;
guint32 tsn;
guint16 sid;
guint16 ssn;
guint32 ppi;
};
struct init_chunk_header {
guint8 type;
guint8 flags;
guint16 length;
guint32 initiate_tag;
guint32 a_rwnd;
guint16 mos;
guint16 mis;
guint32 initial_tsn;
};
struct gaps {
guint16 start;
guint16 end;
};
struct sack_chunk_header {
guint8 type;
guint8 flags;
guint16 length;
guint32 cum_tsn_ack;
guint32 a_rwnd;
guint16 nr_of_gaps;
guint16 nr_of_dups;
struct gaps gaps[1];
};
struct nr_sack_chunk_header {
guint8 type;
guint8 flags;
guint16 length;
guint32 cum_tsn_ack;
guint32 a_rwnd;
guint16 nr_of_gaps;
guint16 nr_of_nr_gaps;
guint16 nr_of_dups;
guint16 reserved;
struct gaps gaps[1];
};
static gboolean label_set = FALSE;
static guint32 max_tsn=0, min_tsn=0;
static void sctp_graph_set_title(struct sctp_udata *u_data);
static void create_draw_area(GtkWidget *box, struct sctp_udata *u_data);
static GtkWidget *zoomout_bt;
#if defined(_WIN32) && !defined(__MINGW32__) && (_MSC_VER < 1800)
/* Starting VS2013, rint already defined in math.h. No need to redefine */
static int rint (double ); /* compiler template for Windows */
#endif
static void
draw_sack_graph(struct sctp_udata *u_data)
{
tsn_t *sack;
GList *list=NULL, *tlist;
guint16 gap_start=0, gap_end=0, i, j, nr, dup_nr;
guint8 type;
guint32 tsnumber, dupx;
gint xvalue, yvalue;
GdkRGBA red_color = {1.0, 0.0, 0.0, 1.0};
GdkRGBA green_color = {0.0, 1.0, 0.0, 1.0};
GdkRGBA cyan_color = {0.0, 1.0, 1.0, 1.0};
struct sack_chunk_header *sack_header;
struct gaps *gap;
guint32 /*max_num,*/ diff;
guint32 *dup_list;
cairo_t * cr = NULL;
if (u_data->dir==2)
{
list = g_list_last(u_data->assoc->sack2);
if (u_data->io->tmp==FALSE)
{
min_tsn=u_data->assoc->min_tsn2;
max_tsn=u_data->assoc->max_tsn2;
}
else
{
min_tsn=u_data->assoc->min_tsn2+u_data->io->tmp_min_tsn2;
max_tsn=u_data->assoc->min_tsn2+u_data->io->tmp_max_tsn2;
}
}
else if (u_data->dir==1)
{
list = g_list_last(u_data->assoc->sack1);
if (u_data->io->tmp==FALSE)
{
min_tsn=u_data->assoc->min_tsn1;
max_tsn=u_data->assoc->max_tsn1;
}
else
{
min_tsn=u_data->assoc->min_tsn1+u_data->io->tmp_min_tsn1;
max_tsn=u_data->assoc->min_tsn1+u_data->io->tmp_max_tsn1;
}
}
while (list)
{
sack = (tsn_t*) (list->data);
tlist = g_list_first(sack->tsns);
while (tlist)
{
type = ((struct chunk_header *)tlist->data)->type;
if (type == SCTP_SACK_CHUNK_ID)
{
gIsSackChunkPresent = 1;
sack_header =(struct sack_chunk_header *)tlist->data;
nr=g_ntohs(sack_header->nr_of_gaps);
tsnumber = g_ntohl(sack_header->cum_tsn_ack);
dup_nr=g_ntohs(sack_header->nr_of_dups);
if (sack->secs>=u_data->io->x1_tmp_sec)
{
if (nr>0)
{
gap = &sack_header->gaps[0];
for(i=0;i<nr; i++)
{
gap_start=g_ntohs(gap->start);
gap_end = g_ntohs(gap->end);
/* max_num=gap_end+tsnumber; */
for (j=gap_start; j<=gap_end; j++)
{
if (u_data->io->uoff)
diff = sack->secs - u_data->io->min_x;
else
diff=sack->secs*1000000+sack->usecs-u_data->io->min_x;
xvalue = (guint32)(LEFT_BORDER+u_data->io->offset+u_data->io->x_interval*diff);
yvalue = (guint32)(u_data->io->surface_height-BOTTOM_BORDER-POINT_SIZE-u_data->io->offset-((SUB_32(j+tsnumber,min_tsn))*u_data->io->y_interval));
if (xvalue >= LEFT_BORDER+u_data->io->offset &&
xvalue <= u_data->io->surface_width-RIGHT_BORDER+u_data->io->offset &&
yvalue >= TOP_BORDER-u_data->io->offset-POINT_SIZE &&
yvalue <= u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset) {
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
gdk_cairo_set_source_rgba (cr, &green_color);
cairo_arc(cr,
xvalue,
yvalue,
POINT_SIZE,
0,
2 * G_PI);
cairo_fill(cr);
cairo_destroy(cr);
}
}
if (i < nr-1)
gap++;
}
}
/*
else
max_num=tsnumber;
*/
if (tsnumber>=min_tsn)
{
if (u_data->io->uoff)
diff = sack->secs - u_data->io->min_x;
else
diff=sack->secs*1000000+sack->usecs-u_data->io->min_x;
xvalue = (guint32)(LEFT_BORDER+u_data->io->offset+u_data->io->x_interval*diff);
yvalue = (guint32)(u_data->io->surface_height-BOTTOM_BORDER-POINT_SIZE -u_data->io->offset-((SUB_32(tsnumber,min_tsn))*u_data->io->y_interval));
if (xvalue >= LEFT_BORDER+u_data->io->offset &&
xvalue <= u_data->io->surface_width-RIGHT_BORDER+u_data->io->offset &&
yvalue >= TOP_BORDER-u_data->io->offset-POINT_SIZE &&
yvalue <= u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset)
{
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
gdk_cairo_set_source_rgba (cr, &red_color);
cairo_arc(cr,
xvalue,
yvalue,
POINT_SIZE,
0,
2 * G_PI);
cairo_fill(cr);
cairo_destroy(cr);
}
}
if (dup_nr > 0)
{
dup_list = &sack_header->a_rwnd + 2 + nr;
for (i = 0; i < dup_nr; i++)
{
dupx = g_ntohl(dup_list[i]);
if (dupx >= min_tsn)
{
if (u_data->io->uoff)
diff = sack->secs - u_data->io->min_x;
else
diff=sack->secs*1000000+sack->usecs-u_data->io->min_x;
xvalue = (guint32)(LEFT_BORDER+u_data->io->offset+u_data->io->x_interval*diff);
yvalue = (guint32)(u_data->io->surface_height-BOTTOM_BORDER-POINT_SIZE -u_data->io->offset-((SUB_32(dupx,min_tsn))*u_data->io->y_interval));
if (xvalue >= LEFT_BORDER+u_data->io->offset &&
xvalue <= u_data->io->surface_width-RIGHT_BORDER+u_data->io->offset &&
yvalue >= TOP_BORDER-u_data->io->offset-POINT_SIZE &&
yvalue <= u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset) {
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
gdk_cairo_set_source_rgba (cr, &cyan_color);
cairo_arc(cr,
xvalue,
yvalue,
POINT_SIZE,
0,
2 * G_PI);
cairo_fill(cr);
cairo_destroy(cr);
}
}
}
}
}
}
tlist = g_list_next(tlist);
}
list = g_list_previous(list);
}
}
/*
* This function plots the NR_SACK gap ack and
* nr gap acks.
* Red dot - Cumulative TSN ack
* Green dot - Gap ack
* Blue circle - NR Gap ack
*/
static void
draw_nr_sack_graph(struct sctp_udata *u_data)
{
tsn_t *sack;
GList *list=NULL, *tlist;
guint16 gap_start=0, gap_end=0, i, numberOf_gaps, numberOf_nr_gaps;
guint8 type;
guint32 tsnumber, j;
gint xvalue, yvalue;
GdkRGBA red_color = {1.0, 0.0, 0.0, 1.0};
GdkRGBA green_color = {0.0, 1.0, 0.0, 1.0};
GdkRGBA blue_color = {0.0, 0.0, 1.0, 1.0};
struct nr_sack_chunk_header *nr_sack_header;
struct gaps *nr_gap;
guint32 /*max_num,*/ diff;
/* This holds the sum of gap acks and nr gap acks */
guint16 total_gaps = 0;
cairo_t *cr = NULL;
if (u_data->dir==2)
{
list = g_list_last(u_data->assoc->sack2);
if (u_data->io->tmp==FALSE)
{
min_tsn=u_data->assoc->min_tsn2;
max_tsn=u_data->assoc->max_tsn2;
}
else
{
min_tsn=u_data->assoc->min_tsn2+u_data->io->tmp_min_tsn2;
max_tsn=u_data->assoc->min_tsn2+u_data->io->tmp_max_tsn2;
}
}
else if (u_data->dir==1)
{
list = g_list_last(u_data->assoc->sack1);
if (u_data->io->tmp==FALSE)
{
min_tsn=u_data->assoc->min_tsn1;
max_tsn=u_data->assoc->max_tsn1;
}
else
{
min_tsn=u_data->assoc->min_tsn1+u_data->io->tmp_min_tsn1;
max_tsn=u_data->assoc->min_tsn1+u_data->io->tmp_max_tsn1;
}
}
while (list)
{
sack = (tsn_t*) (list->data);
tlist = g_list_first(sack->tsns);
while (tlist)
{
type = ((struct chunk_header *)tlist->data)->type;
/*
* The tlist->data is memcpy ied to the appropriate structure
* They entire raw tvb bytes are copied on to one of the *_chunk_header
* structures in sctp_stat.c
*/
if (type == SCTP_NR_SACK_CHUNK_ID)
{
gIsNRSackChunkPresent = 1;
nr_sack_header =(struct nr_sack_chunk_header *)tlist->data;
numberOf_nr_gaps=g_ntohs(nr_sack_header->nr_of_nr_gaps);
numberOf_gaps=g_ntohs(nr_sack_header->nr_of_gaps);
tsnumber = g_ntohl(nr_sack_header->cum_tsn_ack);
total_gaps = numberOf_gaps + numberOf_nr_gaps;
if (sack->secs>=u_data->io->x1_tmp_sec)
{
/* If the number of nr_gaps is greater than 0 */
if ( total_gaps > 0 )
{
nr_gap = &nr_sack_header->gaps[0];
for ( i=0; i < total_gaps; i++ )
{
gap_start=g_ntohs(nr_gap->start);
gap_end = g_ntohs(nr_gap->end);
/* max_num= gap_end + tsnumber; */
for ( j = gap_start; j <= gap_end; j++)
{
if (u_data->io->uoff)
diff = sack->secs - u_data->io->min_x;
else
diff=sack->secs*1000000+sack->usecs-u_data->io->min_x;
xvalue = (guint32)(LEFT_BORDER+u_data->io->offset+u_data->io->x_interval*diff);
yvalue = (guint32)(u_data->io->surface_height-BOTTOM_BORDER-POINT_SIZE-u_data->io->offset-((SUB_32(j+tsnumber,min_tsn))*u_data->io->y_interval));
if (xvalue >= LEFT_BORDER+u_data->io->offset &&
xvalue <= u_data->io->surface_width-RIGHT_BORDER+u_data->io->offset &&
yvalue >= TOP_BORDER-u_data->io->offset-POINT_SIZE &&
yvalue <= u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset)
{
/* Check if this is an GAP ACK or NR GAP ACK */
if ( i >= numberOf_gaps)
{
/* This is a nr gap ack */
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
gdk_cairo_set_source_rgba (cr, &blue_color);
cairo_arc(cr,
xvalue,
yvalue,
POINT_SIZE,
0,
2 * G_PI);
cairo_stroke(cr);
cairo_destroy(cr);
/* All NR GAP Acks are also gap acks, so plot these as
* gap acks - green dot.
* These will be shown as points with a green dot - GAP ACK
* surrounded by a blue circle - NR GAP ack
*/
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
gdk_cairo_set_source_rgba (cr, &green_color);
cairo_arc(cr,
xvalue,
yvalue,
POINT_SIZE,
0,
2 * G_PI);
cairo_fill(cr);
cairo_destroy(cr);
}
else
{
/* This is just a gap ack */
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
gdk_cairo_set_source_rgba (cr, &green_color);
cairo_arc(cr,
xvalue,
yvalue,
POINT_SIZE,
0,
2 * G_PI);
cairo_fill(cr);
cairo_destroy(cr);
}
}
}
if (i < total_gaps-1)
nr_gap++;
}
}
/*
else
max_num=tsnumber;
*/
if (tsnumber>=min_tsn)
{
if (u_data->io->uoff)
diff = sack->secs - u_data->io->min_x;
else
diff=sack->secs*1000000+sack->usecs-u_data->io->min_x;
xvalue = (guint32)(LEFT_BORDER+u_data->io->offset+u_data->io->x_interval*diff);
yvalue = (guint32)(u_data->io->surface_height-BOTTOM_BORDER-POINT_SIZE -u_data->io->offset-((SUB_32(tsnumber,min_tsn))*u_data->io->y_interval));
if (xvalue >= LEFT_BORDER+u_data->io->offset &&
xvalue <= u_data->io->surface_width-RIGHT_BORDER+u_data->io->offset &&
yvalue >= TOP_BORDER-u_data->io->offset-POINT_SIZE &&
yvalue <= u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset) {
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
gdk_cairo_set_source_rgba (cr, &red_color);
cairo_arc(cr,
xvalue,
yvalue,
POINT_SIZE,
0,
2 * G_PI);
cairo_fill(cr);
cairo_destroy(cr);
}
}
}
}
tlist = g_list_next(tlist);
}
list = g_list_previous(list);
}
}
static void
draw_tsn_graph(struct sctp_udata *u_data)
{
tsn_t *tsn;
GList *list=NULL, *tlist;
guint8 type;
guint32 tsnumber=0;
guint32 min_secs=0, diff;
gint xvalue, yvalue;
cairo_t *cr = NULL;
GdkRGBA black_color = {0.0, 0.0, 0.0, 1.0};
GdkRGBA pink_color = {1.0, 0.6, 0.8, 1.0};
if (u_data->dir == 1)
{
list = g_list_last(u_data->assoc->tsn1);
if (u_data->io->tmp == FALSE)
{
min_tsn = u_data->assoc->min_tsn1;
max_tsn = u_data->assoc->max_tsn1;
}
else
{
min_tsn = u_data->assoc->min_tsn1 + u_data->io->tmp_min_tsn1;
max_tsn = u_data->assoc->min_tsn1 + u_data->io->tmp_max_tsn1;
}
}
else if (u_data->dir == 2)
{
list = g_list_last(u_data->assoc->tsn2);
if (u_data->io->tmp == FALSE)
{
min_tsn = u_data->assoc->min_tsn2;
max_tsn = u_data->assoc->max_tsn2;
}
else
{
min_tsn = u_data->assoc->min_tsn2 + u_data->io->tmp_min_tsn2;
max_tsn = u_data->assoc->min_tsn2 + u_data->io->tmp_max_tsn2;
}
}
while (list)
{
tsn = (tsn_t*) (list->data);
tlist = g_list_first(tsn->tsns);
while (tlist)
{
type = ((struct chunk_header *)tlist->data)->type;
if (type == SCTP_DATA_CHUNK_ID || type == SCTP_FORWARD_TSN_CHUNK_ID)
tsnumber = g_ntohl(((struct data_chunk_header *)tlist->data)->tsn);
if (tsnumber >= min_tsn && tsnumber <= max_tsn && tsn->secs >= min_secs)
{
if (u_data->io->uoff) {
diff = tsn->secs - u_data->io->min_x;
} else {
diff = tsn->secs * 1000000 + tsn->usecs - u_data->io->min_x;
}
xvalue = (guint32)(LEFT_BORDER + u_data->io->offset + u_data->io->x_interval * diff);
yvalue = (guint32)(u_data->io->surface_height - BOTTOM_BORDER - POINT_SIZE - u_data->io->offset - ((SUB_32(tsnumber,min_tsn))*u_data->io->y_interval));
if (xvalue >= LEFT_BORDER+u_data->io->offset &&
xvalue <= u_data->io->surface_width - RIGHT_BORDER + u_data->io->offset &&
yvalue >= TOP_BORDER - u_data->io->offset - POINT_SIZE &&
yvalue <= u_data->io->surface_height - BOTTOM_BORDER - u_data->io->offset) {
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
if (type == SCTP_DATA_CHUNK_ID)
gdk_cairo_set_source_rgba (cr, &black_color);
else
gdk_cairo_set_source_rgba (cr, &pink_color);
cairo_arc(cr,
xvalue,
yvalue,
POINT_SIZE,
0,
2 * G_PI);
cairo_fill(cr);
cairo_destroy(cr);
}
}
tlist = g_list_next(tlist);
}
list = g_list_previous(list);
}
}
static void
sctp_graph_draw(struct sctp_udata *u_data)
{
int length, lwidth;
guint32 distance=5, i, e, sec, w, start, a, b, j;
gint label_width, label_height;
char label_string[15];
gfloat dis;
gboolean write_label = FALSE;
PangoLayout *layout;
GtkAllocation widget_alloc;
cairo_t *cr;
if (u_data->io->x1_tmp_sec==0 && u_data->io->x1_tmp_usec==0)
u_data->io->offset=0;
else
u_data->io->offset=5;
if (u_data->io->x2_tmp_sec - u_data->io->x1_tmp_sec > 1500)
{
u_data->io->min_x=u_data->io->x1_tmp_sec;
u_data->io->max_x=u_data->io->x2_tmp_sec;
u_data->io->uoff = TRUE;
}
else
{
u_data->io->min_x=(guint32)(u_data->io->x1_tmp_sec*1000000.0+u_data->io->x1_tmp_usec);
u_data->io->max_x=(guint32)(u_data->io->x2_tmp_sec*1000000.0+u_data->io->x2_tmp_usec);
u_data->io->uoff = FALSE;
}
u_data->io->tmp_width=u_data->io->max_x-u_data->io->min_x;
if (u_data->dir==1)
{
if (u_data->io->tmp==FALSE)
{
if (u_data->assoc->tsn1!=NULL || u_data->assoc->sack1!=NULL)
u_data->io->max_y=u_data->io->tmp_max_tsn1 - u_data->io->tmp_min_tsn1;
else
u_data->io->max_y= 0;
u_data->io->min_y = 0;
}
else
{
u_data->io->max_y = u_data->io->tmp_max_tsn1;
u_data->io->min_y = u_data->io->tmp_min_tsn1;
}
}
else if (u_data->dir==2)
{
if (u_data->io->tmp==FALSE)
{
if (u_data->assoc->tsn2!=NULL || u_data->assoc->sack2!=NULL)
u_data->io->max_y=u_data->io->tmp_max_tsn2 -u_data->io->tmp_min_tsn2;
else
u_data->io->max_y= 0;
u_data->io->min_y = 0;
}
else
{
u_data->io->max_y = u_data->io->tmp_max_tsn2;
u_data->io->min_y = u_data->io->tmp_min_tsn2;
}
}
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
cairo_set_source_rgb (cr, 1, 1, 1);
gtk_widget_get_allocation(u_data->io->draw_area, &widget_alloc);
cairo_rectangle (cr,
0,
0,
widget_alloc.width,
widget_alloc.height);
cairo_fill (cr);
cairo_destroy (cr);
/* x_axis */
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
cairo_set_line_width (cr, 1.0);
cairo_move_to(cr, LEFT_BORDER+u_data->io->offset+0.5, u_data->io->surface_height - BOTTOM_BORDER+0.5);
cairo_line_to(cr, u_data->io->surface_width - RIGHT_BORDER + u_data->io->offset+0.5, u_data->io->surface_height - BOTTOM_BORDER+0.5);
cairo_move_to(cr, u_data->io->surface_width - RIGHT_BORDER + u_data->io->offset+0.5, u_data->io->surface_height - BOTTOM_BORDER+0.5);
cairo_line_to(cr, u_data->io->surface_width - RIGHT_BORDER + u_data->io->offset - 5+0.5, u_data->io->surface_height - BOTTOM_BORDER - 5+0.5);
cairo_move_to(cr, u_data->io->surface_width - RIGHT_BORDER + u_data->io->offset + 0.5, u_data->io->surface_height - BOTTOM_BORDER + 0.5);
cairo_line_to(cr, u_data->io->surface_width - RIGHT_BORDER + u_data->io->offset - 5.5, u_data->io->surface_height - BOTTOM_BORDER + 5.5);
cairo_stroke(cr);
cairo_destroy(cr);
u_data->io->axis_width=u_data->io->surface_width-LEFT_BORDER-RIGHT_BORDER-u_data->io->offset;
/* try to avoid dividing by zero */
if(u_data->io->tmp_width>0){
u_data->io->x_interval = (float)((u_data->io->axis_width*1.0)/u_data->io->tmp_width); /*distance in pixels between 2 data points*/
} else {
u_data->io->x_interval = (float)(u_data->io->axis_width);
}
e=0; /*number of decimals of x_interval*/
if (u_data->io->x_interval<1)
{
dis=1/u_data->io->x_interval;
while (dis >1)
{
dis/=10;
e++;
}
distance=1;
for (i=0; i<=e+1; i++)
distance*=10; /*distance per 100 pixels*/
}
else
distance=5;
g_snprintf(label_string, sizeof(label_string), "%d", 0);
memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), sizeof(label_string));
layout = gtk_widget_create_pango_layout(u_data->io->draw_area, label_string);
pango_layout_get_pixel_size(layout, &label_width, &label_height);
if (u_data->io->x1_tmp_usec==0)
sec=u_data->io->x1_tmp_sec;
else
sec=u_data->io->x1_tmp_sec+1;
if (u_data->io->offset!=0)
{
g_snprintf(label_string, sizeof(label_string), "%u", u_data->io->x1_tmp_sec);
memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), sizeof(label_string));
pango_layout_set_text(layout, label_string, -1);
pango_layout_get_pixel_size(layout, &lwidth, NULL);
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
cairo_move_to (cr,
LEFT_BORDER-25,
u_data->io->surface_height-BOTTOM_BORDER+20);
pango_cairo_show_layout (cr, layout);
cairo_destroy (cr);
cr = NULL;
}
w=(guint32)(500/(guint32)(distance*u_data->io->x_interval)); /*there will be a label for every w_th tic*/
if (w==0)
w=1;
if (w==4 || w==3 || w==2)
{
w=5;
a=distance/10; /*distance between two tics*/
b = (guint32)((u_data->io->min_x/100000))%10; /* start for labels*/
}
else
{
a=distance/5;
b=0;
}
if (!u_data->io->uoff)
{
if (a>=1000000)
{
start=u_data->io->min_x/1000000*1000000;
if (a==1000000)
b = 0;
}
else
{
start=u_data->io->min_x/100000;
if (start%2!=0)
start--;
start*=100000;
b = (guint32)((start/100000))%10;
}
}
else
{
start = u_data->io->min_x;
if (start%2!=0)
start--;
b = 0;
}
for (i=start, j=b; i<=u_data->io->max_x; i+=a, j++)
{
if (!u_data->io->uoff)
if (i>=u_data->io->min_x && i%1000000!=0)
{
length=5;
g_snprintf(label_string, sizeof(label_string), "%d", i%1000000);
if (j%w==0)
{
length=10;
memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), sizeof(label_string));
pango_layout_set_text(layout, label_string, -1);
pango_layout_get_pixel_size(layout, &lwidth, NULL);
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
cairo_move_to (cr,
LEFT_BORDER+u_data->io->offset+(i-u_data->io->min_x)*u_data->io->x_interval-lwidth/2,
u_data->io->surface_height-BOTTOM_BORDER+10);
pango_cairo_show_layout (cr, layout);
cairo_destroy (cr);
cr = NULL;
}
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
cairo_set_line_width (cr, 1.0);
cairo_move_to(cr,
LEFT_BORDER + u_data->io->offset + (i - u_data->io->min_x) * u_data->io->x_interval + 0.5,
u_data->io->surface_height - BOTTOM_BORDER + 0.5);
cairo_line_to(cr,
LEFT_BORDER + u_data->io->offset + (i - u_data->io->min_x) * u_data->io->x_interval + 0.5,
u_data->io->surface_height - BOTTOM_BORDER + length + 0.5);
cairo_stroke(cr);
cairo_destroy(cr);
}
if (!u_data->io->uoff)
{
if (i%1000000==0 && j%w==0)
{
sec=i/1000000;
write_label = TRUE;
}
}
else
{
if (j%w == 0)
{
sec = i;
write_label = TRUE;
}
}
if (write_label)
{
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
cairo_set_line_width (cr, 1.0);
cairo_move_to(cr,
LEFT_BORDER + u_data->io->offset + (i - u_data->io->min_x) * u_data->io->x_interval + 0.5,
u_data->io->surface_height - BOTTOM_BORDER + 0.5);
cairo_line_to(cr,
LEFT_BORDER + u_data->io->offset + (i - u_data->io->min_x) * u_data->io->x_interval + 0.5,
u_data->io->surface_height - BOTTOM_BORDER + 10 + 0.5);
cairo_stroke(cr);
cairo_destroy(cr);
g_snprintf(label_string, sizeof(label_string), "%d", sec);
memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), sizeof(label_string));
pango_layout_set_text(layout, label_string, -1);
pango_layout_get_pixel_size(layout, &lwidth, NULL);
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
cairo_move_to (cr,
LEFT_BORDER+u_data->io->offset+(i-u_data->io->min_x)*u_data->io->x_interval-10,
u_data->io->surface_height-BOTTOM_BORDER+20);
pango_cairo_show_layout (cr, layout);
cairo_destroy (cr);
cr = NULL;
write_label = FALSE;
}
}
g_strlcpy(label_string, "sec", sizeof(label_string));
memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), sizeof(label_string));
pango_layout_set_text(layout, label_string, -1);
pango_layout_get_pixel_size(layout, &lwidth, NULL);
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
cairo_move_to (cr,
u_data->io->surface_width-RIGHT_BORDER-10,
u_data->io->surface_height-BOTTOM_BORDER+30);
pango_cairo_show_layout (cr, layout);
cairo_destroy (cr);
cr = NULL;
distance=5;
/* y-axis */
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
cairo_set_line_width (cr, 1.0);
cairo_move_to(cr, LEFT_BORDER + 0.5, TOP_BORDER - u_data->io->offset + 0.5);
cairo_line_to(cr, LEFT_BORDER + 0.5, u_data->io->surface_height - BOTTOM_BORDER - u_data->io->offset + 0.5);
cairo_move_to(cr, LEFT_BORDER + 0.5, TOP_BORDER - u_data->io->offset + 0.5);
cairo_line_to(cr, LEFT_BORDER - 5 + 0.5, TOP_BORDER - u_data->io->offset + 5 + 0.5);
cairo_move_to(cr, LEFT_BORDER + 0.5, TOP_BORDER - u_data->io->offset + 0.5);
cairo_line_to(cr, LEFT_BORDER +5 + 0.5, TOP_BORDER - u_data->io->offset + 5 + 0.5);
cairo_stroke(cr);
cairo_destroy(cr);
u_data->io->y_interval = (float)(((u_data->io->surface_height-TOP_BORDER-BOTTOM_BORDER)*1.0)/(u_data->io->max_y-u_data->io->min_y));
e=0;
if (u_data->io->y_interval<1)
{
dis=1/u_data->io->y_interval;
while (dis >1)
{
dis/=10;
e++;
}
distance=1;
for (i=0; i<=e; i++)
distance=distance*10;
}
else if (u_data->io->y_interval<2)
distance = 10;
if (u_data->io->max_y>0)
{
for (i=u_data->io->min_y/distance*distance; i<=u_data->io->max_y; i+=distance/5)
{
if (i>=u_data->io->min_y)
{
length=5;
g_snprintf(label_string, sizeof(label_string), "%d", i);
if (i%distance==0 || (distance<=5 && u_data->io->y_interval>10))
{
length=10;
memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), sizeof(label_string));
pango_layout_set_text(layout, label_string, -1);
pango_layout_get_pixel_size(layout, &lwidth, NULL);
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
cairo_move_to (cr,
LEFT_BORDER-length-lwidth-5,
u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset-(i-u_data->io->min_y)*u_data->io->y_interval-POINT_SIZE);
pango_cairo_show_layout (cr, layout);
cairo_destroy (cr);
cr = NULL;
}
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
cairo_set_line_width (cr, 1.0);
cairo_move_to(cr,
LEFT_BORDER - length + 0.5,
u_data->io->surface_height - BOTTOM_BORDER - u_data->io->offset - (i - u_data->io->min_y) * u_data->io->y_interval + 0.5);
cairo_line_to(cr,
LEFT_BORDER + 0.5,
u_data->io->surface_height - BOTTOM_BORDER - u_data->io->offset - (i - u_data->io->min_y) * u_data->io->y_interval + 0.5);
cairo_stroke(cr);
cairo_destroy(cr);
}
}
}
else if ((u_data->dir==1 && u_data->assoc->n_array_tsn1==0) || (u_data->dir==2 && u_data->assoc->n_array_tsn2==0))
simple_dialog(ESD_TYPE_INFO, ESD_BTN_OK, "No Data Chunks sent");
g_object_unref(G_OBJECT(layout));
}
/* This function is used to change the title
* in the graph dialogue to NR_SACK or SACK based on the
* association
* If an association has both SAKC and NR_SACK PDU's
* a warning is popped
*/
static void
updateLabels(void)
{
if (gIsSackChunkPresent && gIsNRSackChunkPresent)
{
simple_dialog(ESD_TYPE_INFO, ESD_BTN_OK, "This data set contains both SACK and NR SACK PDUs.");
gtk_button_set_label( (GtkButton*) sack_bt, "Show both Sack and NR Sack");
}
else if (gIsSackChunkPresent)
gtk_button_set_label( (GtkButton*) sack_bt, "Show Only Sack");
else
/* gIsNRSackChunkPresent will be true here */
gtk_button_set_label( (GtkButton*) sack_bt, "Show Only NR Sack");
}
static void
sctp_graph_redraw(struct sctp_udata *u_data)
{
sctp_graph_t *ios;
GtkAllocation widget_alloc;
cairo_t *cr;
u_data->io->needs_redraw=TRUE;
sctp_graph_draw(u_data);
switch (u_data->io->graph_type)
{
case 0:
/* Show both TSN and SACK information
* Reset the global sack variable
* for sack and nr sack cases
*/
gIsSackChunkPresent = 0;
gIsNRSackChunkPresent = 0;
draw_sack_graph(u_data);
draw_nr_sack_graph(u_data);
draw_tsn_graph(u_data);
break;
case 1:
/* Show only TSN */
draw_tsn_graph(u_data);
break;
case 2:
/* Show only SACK information
* Reset the global sack variable
* for sack and nr sack cases
*/
gIsSackChunkPresent = 0;
gIsNRSackChunkPresent = 0;
draw_sack_graph(u_data);
draw_nr_sack_graph(u_data);
break;
}
/* Updates the sack / nr sack buttons */
updateLabels();
ios=(sctp_graph_t *)g_object_get_data(G_OBJECT(u_data->io->draw_area), "sctp_graph_t");
g_assert(ios != NULL);
cr = gdk_cairo_create (gtk_widget_get_window(u_data->io->draw_area));
#if GTK_CHECK_VERSION(2,22,0)
cairo_set_source_surface (cr, ios->surface, 0, 0);
#else
gdk_cairo_set_source_pixmap (cr, ios->pixmap, 0, 0);
#endif
gtk_widget_get_allocation(u_data->io->draw_area, &widget_alloc);
cairo_rectangle (cr, 0, 0, widget_alloc.width, widget_alloc.height);
cairo_fill (cr);
cairo_destroy (cr);
}
static void
on_sack_bt(GtkWidget *widget _U_, gpointer user_data)
{
struct sctp_udata *u_data = (struct sctp_udata *)user_data;
u_data->io->graph_type=2;
sctp_graph_redraw(u_data);
}
static void
on_tsn_bt(GtkWidget *widget _U_, gpointer user_data)
{
struct sctp_udata *u_data = (struct sctp_udata *)user_data;
u_data->io->graph_type=1;
sctp_graph_redraw(u_data);
}
static void
on_both_bt(GtkWidget *widget _U_, gpointer user_data)
{
struct sctp_udata *u_data = (struct sctp_udata *)user_data;
u_data->io->graph_type=0;
sctp_graph_redraw(u_data);
}
static void
sctp_graph_close_cb(GtkWidget* widget _U_, gpointer user_data)
{
struct sctp_udata *u_data = (struct sctp_udata *)user_data;
gtk_grab_remove(GTK_WIDGET(u_data->io->window));
gtk_widget_destroy(GTK_WIDGET(u_data->io->window));
}
static gboolean
configure_event(GtkWidget *widget, GdkEventConfigure *event _U_, gpointer user_data)
{
struct sctp_udata *u_data = (struct sctp_udata *)user_data;
GtkAllocation widget_alloc;
cairo_t *cr;
g_assert(u_data->io != NULL);
#if GTK_CHECK_VERSION(2,22,0)
if(u_data->io->surface){
cairo_surface_destroy (u_data->io->surface);
u_data->io->surface=NULL;
}
gtk_widget_get_allocation(widget, &widget_alloc);
u_data->io->surface = gdk_window_create_similar_surface (gtk_widget_get_window(widget),
CAIRO_CONTENT_COLOR,
widget_alloc.width,
widget_alloc.height);
#else
if(u_data->io->pixmap){
g_object_unref(u_data->io->pixmap);
u_data->io->pixmap=NULL;
}
gtk_widget_get_allocation(widget, &widget_alloc);
u_data->io->pixmap=gdk_pixmap_new(gtk_widget_get_window(widget),
widget_alloc.width,
widget_alloc.height,
-1);
#endif
u_data->io->surface_width=widget_alloc.width;
u_data->io->surface_height=widget_alloc.height;
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
cairo_rectangle (cr, 0, 0, widget_alloc.width, widget_alloc.height);
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_fill (cr);
cairo_destroy (cr);
sctp_graph_redraw(u_data);
return TRUE;
}
#if GTK_CHECK_VERSION(3,0,0)
static gboolean
draw_event(GtkWidget *widget, cairo_t *cr, gpointer user_data)
{
sctp_graph_t *ios = (sctp_graph_t *)user_data;
GtkAllocation allocation;
gtk_widget_get_allocation (widget, &allocation);
cairo_set_source_surface (cr, ios->surface, 0, 0);
cairo_rectangle (cr, 0, 0, allocation.width, allocation.width);
cairo_fill (cr);
return FALSE;
}
#else
static gboolean
expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer user_data)
{
sctp_graph_t *ios = (sctp_graph_t *)user_data;
cairo_t *cr;
g_assert(ios != NULL);
cr = gdk_cairo_create (gtk_widget_get_window(widget));
#if GTK_CHECK_VERSION(2,22,0)
cairo_set_source_surface (cr, ios->surface, 0, 0);
#else
gdk_cairo_set_source_pixmap (cr, ios->pixmap, 0, 0);
#endif
cairo_rectangle (cr, event->area.x, event->area.y, event->area.width, event->area.height);
cairo_fill (cr);
cairo_destroy (cr);
return FALSE;
}
#endif
static void
on_zoomin_bt (GtkWidget *widget _U_, gpointer user_data)
{
struct sctp_udata *u_data = (struct sctp_udata *)user_data;
sctp_min_max_t *tmp_minmax;
if (u_data->io->rectangle_present==TRUE)
{
tmp_minmax = (sctp_min_max_t *)g_malloc(sizeof(sctp_min_max_t));
u_data->io->tmp_min_tsn1=u_data->io->y1_tmp+u_data->io->min_y;
u_data->io->tmp_max_tsn1=u_data->io->y2_tmp+1+u_data->io->min_y;
u_data->io->tmp_min_tsn2=u_data->io->tmp_min_tsn1;
u_data->io->tmp_max_tsn2=u_data->io->tmp_max_tsn1;
tmp_minmax->tmp_min_secs=u_data->io->x1_tmp_sec;
tmp_minmax->tmp_min_usecs= u_data->io->x1_tmp_usec;
tmp_minmax->tmp_max_secs= u_data->io->x2_tmp_sec;
tmp_minmax->tmp_max_usecs= u_data->io->x2_tmp_usec;
tmp_minmax->tmp_min_tsn1=u_data->io->tmp_min_tsn1;
tmp_minmax->tmp_max_tsn1=u_data->io->tmp_max_tsn1;
tmp_minmax->tmp_min_tsn2=u_data->io->tmp_min_tsn2;
tmp_minmax->tmp_max_tsn2=u_data->io->tmp_max_tsn2;
u_data->assoc->min_max = g_slist_prepend(u_data->assoc->min_max, tmp_minmax);
u_data->io->length = g_slist_length(u_data->assoc->min_max);
u_data->io->tmp=TRUE;
u_data->io->rectangle=FALSE;
u_data->io->rectangle_present=FALSE;
gtk_widget_set_sensitive(zoomout_bt, TRUE);
sctp_graph_redraw(u_data);
}
else
{
simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "Please draw a rectangle around the area you want to zoom in.");
}
}
static void
zoomin_bt_fcn (struct sctp_udata *u_data)
{
sctp_min_max_t *tmp_minmax;
tmp_minmax = (sctp_min_max_t *)g_malloc(sizeof(sctp_min_max_t));
u_data->io->tmp_min_tsn1=u_data->io->y1_tmp+u_data->io->min_y;
u_data->io->tmp_max_tsn1=u_data->io->y2_tmp+1+u_data->io->min_y;
u_data->io->tmp_min_tsn2=u_data->io->tmp_min_tsn1;
u_data->io->tmp_max_tsn2=u_data->io->tmp_max_tsn1;
tmp_minmax->tmp_min_secs=u_data->io->x1_tmp_sec;
tmp_minmax->tmp_min_usecs= u_data->io->x1_tmp_usec;
tmp_minmax->tmp_max_secs= u_data->io->x2_tmp_sec;
tmp_minmax->tmp_max_usecs= u_data->io->x2_tmp_usec;
tmp_minmax->tmp_min_tsn1=u_data->io->tmp_min_tsn1;
tmp_minmax->tmp_max_tsn1=u_data->io->tmp_max_tsn1;
tmp_minmax->tmp_min_tsn2=u_data->io->tmp_min_tsn2;
tmp_minmax->tmp_max_tsn2=u_data->io->tmp_max_tsn2;
u_data->assoc->min_max = g_slist_prepend(u_data->assoc->min_max, tmp_minmax);
u_data->io->length = g_slist_length(u_data->assoc->min_max);
u_data->io->tmp=TRUE;
u_data->io->rectangle=FALSE;
u_data->io->rectangle_present=FALSE;
gtk_widget_set_sensitive(zoomout_bt, TRUE);
sctp_graph_redraw(u_data);
}
static void
on_zoomout_bt (GtkWidget *widget _U_, gpointer user_data)
{
struct sctp_udata *u_data = (struct sctp_udata *)user_data;
sctp_min_max_t *tmp_minmax, *mm;
gint l;
l = g_slist_length(u_data->assoc->min_max);
if (u_data->assoc->min_max!=NULL)
{
mm=(sctp_min_max_t *)((u_data->assoc->min_max)->data);
u_data->assoc->min_max=g_slist_remove(u_data->assoc->min_max, mm);
g_free(mm);
if (l>2)
{
tmp_minmax = (sctp_min_max_t *)u_data->assoc->min_max->data;
u_data->io->x1_tmp_sec=tmp_minmax->tmp_min_secs;
u_data->io->x1_tmp_usec=tmp_minmax->tmp_min_usecs;
u_data->io->x2_tmp_sec=tmp_minmax->tmp_max_secs;
u_data->io->x2_tmp_usec=tmp_minmax->tmp_max_usecs;
u_data->io->tmp_min_tsn1=tmp_minmax->tmp_min_tsn1;
u_data->io->tmp_max_tsn1=tmp_minmax->tmp_max_tsn1;
u_data->io->tmp_min_tsn2=tmp_minmax->tmp_min_tsn2;
u_data->io->tmp_max_tsn2=tmp_minmax->tmp_max_tsn2;
u_data->io->tmp=TRUE;
}
else
{
u_data->io->x1_tmp_sec=u_data->assoc->min_secs;
u_data->io->x1_tmp_usec=u_data->assoc->min_usecs;
u_data->io->x2_tmp_sec=u_data->assoc->max_secs;
u_data->io->x2_tmp_usec=u_data->assoc->max_usecs;
u_data->io->tmp_min_tsn1=u_data->assoc->min_tsn1;
u_data->io->tmp_max_tsn1=u_data->assoc->max_tsn1;
u_data->io->tmp_min_tsn2=u_data->assoc->min_tsn2;
u_data->io->tmp_max_tsn2=u_data->assoc->max_tsn2;
u_data->io->tmp=FALSE;
}
}
else
{
u_data->io->x1_tmp_sec=u_data->assoc->min_secs;
u_data->io->x1_tmp_usec=u_data->assoc->min_usecs;
u_data->io->x2_tmp_sec=u_data->assoc->max_secs;
u_data->io->x2_tmp_usec=u_data->assoc->max_usecs;
u_data->io->tmp_min_tsn1=u_data->assoc->min_tsn1;
u_data->io->tmp_max_tsn1=u_data->assoc->max_tsn1;
u_data->io->tmp_min_tsn2=u_data->assoc->min_tsn2;
u_data->io->tmp_max_tsn2=u_data->assoc->max_tsn2;
u_data->io->tmp=FALSE;
}
if (g_slist_length(u_data->assoc->min_max)==1)
gtk_widget_set_sensitive(zoomout_bt, FALSE);
sctp_graph_redraw(u_data);
}
static gboolean
on_button_press_event (GtkWidget *widget _U_, GdkEventButton *event, gpointer user_data)
{
struct sctp_udata *u_data = (struct sctp_udata *)user_data;
sctp_graph_t *ios;
cairo_t *cr;
if (u_data->io->rectangle==TRUE)
{
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
cairo_rectangle (cr,
floor(MIN(u_data->io->x_old,u_data->io->x_new)),
floor(MIN(u_data->io->y_old,u_data->io->y_new)),
floor(abs((int)(u_data->io->x_new-u_data->io->x_old))),
floor(abs((int)(u_data->io->y_new-u_data->io->y_old))));
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_stroke (cr);
cairo_destroy (cr);
ios=(sctp_graph_t *)g_object_get_data(G_OBJECT(u_data->io->draw_area), "sctp_graph_t");
g_assert(ios != NULL);
cr = gdk_cairo_create (gtk_widget_get_window(u_data->io->draw_area));
#if GTK_CHECK_VERSION(2,22,0)
cairo_set_source_surface (cr, ios->surface, 0, 0);
#else
gdk_cairo_set_source_pixmap (cr, ios->pixmap, 0, 0);
#endif
cairo_rectangle (cr, 0, 0, abs((int)(u_data->io->x_new-u_data->io->x_old)), abs((int)(u_data->io->y_new-u_data->io->y_old)));
cairo_fill (cr);
cairo_destroy (cr);
sctp_graph_redraw(u_data);
}
u_data->io->x_old=event->x;
u_data->io->y_old=event->y;
if (u_data->io->y_old>u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset-POINT_SIZE)
u_data->io->y_old=u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset-POINT_SIZE;
if (u_data->io->x_old<LEFT_BORDER+u_data->io->offset)
u_data->io->x_old=LEFT_BORDER+u_data->io->offset;
u_data->io->rectangle=FALSE;
return TRUE;
}
static gboolean
on_button_release_event (GtkWidget *widget _U_, GdkEventButton *event, gpointer user_data)
{
struct sctp_udata *u_data = (struct sctp_udata *)user_data;
sctp_graph_t *ios;
guint32 helpx, helpy, x1_tmp, x2_tmp, y_value, t_size=0, s_size=0, i, y_tolerance;
gint label_width, label_height;
gdouble x_value, position, s_diff=0, t_diff=0, x_tolerance=0.0001;
gint lwidth;
char label_string[30];
GPtrArray *tsnlist = NULL, *sacklist=NULL;
struct tsn_sort *tsn, *sack=NULL;
gboolean sack_found = FALSE;
GtkAllocation widget_alloc;
PangoLayout *layout;
cairo_t *cr;
g_snprintf(label_string, 15, "%d", 0);
memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), 15);
layout = gtk_widget_create_pango_layout(u_data->io->draw_area, label_string);
pango_layout_get_pixel_size(layout, &label_width, &label_height);
if (event->y>u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset)
event->y = u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset;
if (event->x < LEFT_BORDER+u_data->io->offset)
event->x = LEFT_BORDER+u_data->io->offset;
if (abs((int)(event->x-u_data->io->x_old))>10 || abs((int)(event->y-u_data->io->y_old))>10)
{
u_data->io->rect_x_min = (gint)floor(MIN(u_data->io->x_old,event->x));
u_data->io->rect_x_max = (gint)ceil(MAX(u_data->io->x_old,event->x));
u_data->io->rect_y_min = (gint)floor(MIN(u_data->io->y_old,event->y));
u_data->io->rect_y_max = (gint)ceil(MAX(u_data->io->y_old,event->y))+POINT_SIZE;
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
cairo_rectangle (cr,
u_data->io->rect_x_min+0.5,
u_data->io->rect_y_min+0.5,
u_data->io->rect_x_max - u_data->io->rect_x_min,
u_data->io->rect_y_max - u_data->io->rect_y_min);
cairo_set_line_width (cr, 1.0);
cairo_stroke (cr);
cairo_destroy (cr);
ios=(sctp_graph_t *)g_object_get_data(G_OBJECT(u_data->io->draw_area), "sctp_graph_t");
g_assert(ios != NULL);
cr = gdk_cairo_create (gtk_widget_get_window(u_data->io->draw_area));
#if GTK_CHECK_VERSION(2,22,0)
cairo_set_source_surface (cr, ios->surface, 0, 0);
#else
gdk_cairo_set_source_pixmap (cr, ios->pixmap, 0, 0);
#endif
gtk_widget_get_allocation(u_data->io->draw_area, &widget_alloc);
cairo_rectangle (cr, 0, 0, widget_alloc.width, widget_alloc.height);
cairo_fill (cr);
cairo_destroy (cr);
x1_tmp=(unsigned int)floor(u_data->io->min_x+((u_data->io->x_old-LEFT_BORDER-u_data->io->offset)*u_data->io->tmp_width/u_data->io->axis_width));
x2_tmp=(unsigned int)floor(u_data->io->min_x+((event->x-LEFT_BORDER-u_data->io->offset)*u_data->io->tmp_width/u_data->io->axis_width));
helpx=MIN(x1_tmp, x2_tmp);
if (helpx==x2_tmp)
{
x2_tmp=x1_tmp;
x1_tmp=helpx;
}
if (u_data->io->uoff)
{
if (x2_tmp - x1_tmp <= 1500)
u_data->io->uoff = FALSE;
u_data->io->x1_tmp_sec=(guint32)x1_tmp;
u_data->io->x1_tmp_usec=0;
u_data->io->x2_tmp_sec=(guint32)x2_tmp;
u_data->io->x2_tmp_usec=0;
}
else
{
u_data->io->x1_tmp_sec=(guint32)x1_tmp/1000000;
u_data->io->x1_tmp_usec=x1_tmp%1000000;
u_data->io->x2_tmp_sec=(guint32)x2_tmp/1000000;
u_data->io->x2_tmp_usec=x2_tmp%1000000;
}
u_data->io->x1_akt_sec = u_data->io->x1_tmp_sec;
u_data->io->x1_akt_usec = u_data->io->x1_tmp_usec;
u_data->io->x2_akt_sec = u_data->io->x2_tmp_sec;
u_data->io->x2_akt_usec = u_data->io->x2_tmp_usec;
u_data->io->y1_tmp=(guint32)((u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset-u_data->io->y_old)/u_data->io->y_interval);
u_data->io->y2_tmp=(guint32)((u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset-event->y)/u_data->io->y_interval);
helpy = MIN(u_data->io->y1_tmp, u_data->io->y2_tmp);
u_data->io->y2_tmp = MAX(u_data->io->y1_tmp, u_data->io->y2_tmp);
u_data->io->y1_tmp = helpy;
u_data->io->x_new=event->x;
u_data->io->y_new=event->y;
u_data->io->rectangle=TRUE;
u_data->io->rectangle_present=TRUE;
}
else
{
if (u_data->io->rectangle_present==TRUE)
{
u_data->io->rectangle_present=FALSE;
if (event->x >= u_data->io->rect_x_min && event->x <= u_data->io->rect_x_max &&
event->y >= u_data->io->rect_y_min && event->y <= u_data->io->rect_y_max)
zoomin_bt_fcn(u_data);
else
{
u_data->io->x1_tmp_sec = u_data->io->x1_akt_sec;
u_data->io->x1_tmp_usec = u_data->io->x1_akt_usec;
u_data->io->x2_tmp_sec = u_data->io->x2_akt_sec;
u_data->io->x2_tmp_usec = u_data->io->x2_akt_usec;
sctp_graph_redraw(u_data);
}
}
else if (label_set)
{
label_set = FALSE;
sctp_graph_redraw(u_data);
}
else
{
x_value = ((event->x-LEFT_BORDER-u_data->io->offset) * ((u_data->io->x2_tmp_sec+u_data->io->x2_tmp_usec/1000000.0)-(u_data->io->x1_tmp_sec+u_data->io->x1_tmp_usec/1000000.0)) / (u_data->io->surface_width-LEFT_BORDER-RIGHT_BORDER-u_data->io->offset))+u_data->io->x1_tmp_sec+u_data->io->x1_tmp_usec/1000000.0;
y_value = (gint)rint((u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset-event->y) * (max_tsn - min_tsn) / (u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset)) + min_tsn;
if (u_data->dir == 1)
{
tsnlist = u_data->assoc->sort_tsn1;
t_size = u_data->assoc->n_data_chunks_ep1;
sacklist = u_data->assoc->sort_sack1;
s_size = u_data->assoc->n_sack_chunks_ep1;
}
else
{
tsnlist = u_data->assoc->sort_tsn2;
t_size = u_data->assoc->n_data_chunks_ep2;
sacklist = u_data->assoc->sort_sack2;
s_size = u_data->assoc->n_sack_chunks_ep2;
}
x_tolerance = (gdouble)((u_data->io->tmp_width / u_data->io->axis_width*1.0))*5/1000000.0;
y_tolerance = (guint32)(((u_data->io->max_y - u_data->io->min_y) / (u_data->io->surface_height-TOP_BORDER-BOTTOM_BORDER-u_data->io->offset)) * 2.0);
if (y_tolerance==0)
y_tolerance = 2;
else if (y_tolerance > 5)
y_tolerance = 5;
for (i=0; i<s_size; i++)
{
sack = (struct tsn_sort*)(g_ptr_array_index(sacklist, i));
if ((guint32)(sack->tsnumber - y_value)<y_tolerance)
{
s_diff = fabs((sack->secs+sack->usecs/1000000.0)- x_value);
if (s_diff < x_tolerance)
sack_found = TRUE;
break;
}
}
for (i=0; i<t_size; i++)
{
tsn = (struct tsn_sort*)(g_ptr_array_index(tsnlist, i));
if ((guint32)(tsn->tsnumber - y_value)<y_tolerance)
{
t_diff = fabs((tsn->secs+tsn->usecs/1000000.0)- x_value);
if (sack_found && s_diff < t_diff)
{
cf_goto_frame(&cfile, sack->framenumber);
x_value = sack->secs+sack->usecs/1000000.0;
y_value = sack->tsnumber;
}
else if (t_diff < x_tolerance)
{
cf_goto_frame(&cfile, tsn->framenumber);
x_value = tsn->secs+tsn->usecs/1000000.0;
y_value = tsn->tsnumber;
}
break;
}
}
g_snprintf(label_string, sizeof(label_string), "(%.6lf, %u)", x_value, y_value);
label_set = TRUE;
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
cairo_set_line_width (cr, 1.0);
cairo_move_to(cr,
(event->x-2)+0.5,
(event->y)+0.5);
cairo_line_to(cr,
(event->x+2)+0.5,
(event->y)+0.5);
cairo_stroke(cr);
cairo_destroy(cr);
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
cairo_set_line_width (cr, 1.0);
cairo_move_to(cr,
(event->x)+0.5,
(event->y-2)+0.5);
cairo_line_to(cr,
(event->x)+0.5,
(event->y+2)+0.5);
cairo_stroke(cr);
cairo_destroy(cr);
if (event->x+150>=u_data->io->surface_width)
position = event->x - 150;
else
position = event->x + 5;
memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), 15);
pango_layout_set_text(layout, label_string, -1);
pango_layout_get_pixel_size(layout, &lwidth, NULL);
#if GTK_CHECK_VERSION(2,22,0)
cr = cairo_create (u_data->io->surface);
#else
cr = gdk_cairo_create (u_data->io->pixmap);
#endif
cairo_move_to (cr,
position,
event->y-10);
pango_cairo_show_layout (cr, layout);
cairo_destroy (cr);
cr = NULL;
ios=(sctp_graph_t *)g_object_get_data(G_OBJECT(u_data->io->draw_area), "sctp_graph_t");
g_assert(ios != NULL);
cr = gdk_cairo_create (gtk_widget_get_window(u_data->io->draw_area));
#if GTK_CHECK_VERSION(2,22,0)
cairo_set_source_surface (cr, ios->surface, 0, 0);
#else
gdk_cairo_set_source_pixmap (cr, ios->pixmap, 0, 0);
#endif
gtk_widget_get_allocation(u_data->io->draw_area, &widget_alloc);
cairo_rectangle (cr, 0, 0, widget_alloc.width, widget_alloc.height);
cairo_fill (cr);
cairo_destroy (cr);
}
}
g_object_unref(G_OBJECT(layout));
return TRUE;
}
static void
init_sctp_graph_window(struct sctp_udata *u_data)
{
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *bt_close, *tsn_bt, *both_bt, *zoomin_bt;
/* create the main window */
u_data->io->window= dlg_window_new("WSCTP Graphics"); /* transient_for top_level */
gtk_window_set_destroy_with_parent (GTK_WINDOW(u_data->io->window), TRUE);
vbox=ws_gtk_box_new(GTK_ORIENTATION_VERTICAL, 0, FALSE);
gtk_container_add(GTK_CONTAINER(u_data->io->window), vbox);
gtk_widget_show(vbox);
create_draw_area(vbox, u_data);
sctp_graph_set_title(u_data);
hbox = gtk_button_box_new(GTK_ORIENTATION_HORIZONTAL);
gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
gtk_container_set_border_width(GTK_CONTAINER(hbox), 10);
gtk_button_box_set_layout(GTK_BUTTON_BOX (hbox), GTK_BUTTONBOX_SPREAD);
gtk_box_set_spacing(GTK_BOX (hbox), 0);
gtk_widget_show(hbox);
sack_bt = gtk_button_new_with_label ("Show Only Sacks");
gtk_box_pack_start(GTK_BOX(hbox), sack_bt, FALSE, FALSE, 0);
gtk_widget_show(sack_bt);
g_signal_connect(sack_bt, "clicked", G_CALLBACK(on_sack_bt), u_data);
tsn_bt = gtk_button_new_with_label ("Show Only TSNs");
gtk_box_pack_start(GTK_BOX(hbox), tsn_bt, FALSE, FALSE, 0);
gtk_widget_show(tsn_bt);
g_signal_connect(tsn_bt, "clicked", G_CALLBACK(on_tsn_bt), u_data);
both_bt = gtk_button_new_with_label ("Show both");
gtk_box_pack_start(GTK_BOX(hbox), both_bt, FALSE, FALSE, 0);
gtk_widget_show(both_bt);
g_signal_connect(both_bt, "clicked", G_CALLBACK(on_both_bt), u_data);
zoomin_bt = gtk_button_new_with_label ("Zoom in");
gtk_box_pack_start(GTK_BOX(hbox), zoomin_bt, FALSE, FALSE, 0);
gtk_widget_show(zoomin_bt);
g_signal_connect(zoomin_bt, "clicked", G_CALLBACK(on_zoomin_bt), u_data);
gtk_widget_set_tooltip_text(zoomin_bt, "Zoom in the area you have selected");
zoomout_bt = gtk_button_new_with_label ("Zoom out");
gtk_box_pack_start(GTK_BOX(hbox), zoomout_bt, FALSE, FALSE, 0);
gtk_widget_show(zoomout_bt);
g_signal_connect(zoomout_bt, "clicked", G_CALLBACK(on_zoomout_bt), u_data);
gtk_widget_set_tooltip_text(zoomout_bt, "Zoom out one step");
gtk_widget_set_sensitive(zoomout_bt, FALSE);
bt_close = ws_gtk_button_new_from_stock(GTK_STOCK_CLOSE);
gtk_box_pack_start(GTK_BOX(hbox), bt_close, FALSE, FALSE, 0);
gtk_widget_show(bt_close);
g_signal_connect(bt_close, "clicked", G_CALLBACK(sctp_graph_close_cb), u_data);
g_signal_connect(u_data->io->draw_area,"button_press_event",G_CALLBACK(on_button_press_event), u_data);
g_signal_connect(u_data->io->draw_area,"button_release_event",G_CALLBACK(on_button_release_event), u_data);
gtk_widget_set_events(u_data->io->draw_area, GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_EXPOSURE_MASK);
gtk_widget_show(u_data->io->window);
}
static void
sctp_graph_set_title(struct sctp_udata *u_data)
{
char *display_name;
char *title;
if(!u_data->io->window)
{
return;
}
display_name = cf_get_display_name(&cfile);
title = g_strdup_printf("SCTP TSNs and Sacks over Time: %s Port1 %u Port2 %u Endpoint %u",
display_name, u_data->parent->assoc->port1, u_data->parent->assoc->port2, u_data->dir);
g_free(display_name);
gtk_window_set_title(GTK_WINDOW(u_data->io->window), title);
g_free(title);
}
static void
gtk_sctpgraph_init(struct sctp_udata *u_data)
{
sctp_graph_t *io;
sctp_min_max_t* tmp_minmax;
io=(sctp_graph_t *)g_malloc(sizeof(sctp_graph_t));
io->needs_redraw=TRUE;
io->x_interval=1000;
io->window=NULL;
io->draw_area=NULL;
#if GTK_CHECK_VERSION(2,22,0)
io->surface=NULL;
#else
io->pixmap=NULL;
#endif
io->surface_width=800;
io->surface_height=600;
io->graph_type=0;
u_data->io=io;
u_data->io->x1_tmp_sec=u_data->assoc->min_secs;
u_data->io->x1_tmp_usec=u_data->assoc->min_usecs;
u_data->io->x2_tmp_sec=u_data->assoc->max_secs;
u_data->io->x2_tmp_usec=u_data->assoc->max_usecs;
u_data->io->tmp_min_tsn1=u_data->assoc->min_tsn1;
u_data->io->tmp_max_tsn1=u_data->assoc->max_tsn1;
u_data->io->tmp_min_tsn2=u_data->assoc->min_tsn2;
u_data->io->tmp_max_tsn2=u_data->assoc->max_tsn2;
u_data->io->tmp=FALSE;
tmp_minmax = (sctp_min_max_t *)g_malloc(sizeof(sctp_min_max_t));
tmp_minmax->tmp_min_secs = u_data->assoc->min_secs;
tmp_minmax->tmp_min_usecs=u_data->assoc->min_usecs;
tmp_minmax->tmp_max_secs=u_data->assoc->max_secs;
tmp_minmax->tmp_max_usecs=u_data->assoc->max_usecs;
tmp_minmax->tmp_min_tsn2=u_data->assoc->min_tsn2;
tmp_minmax->tmp_min_tsn1=u_data->assoc->min_tsn1;
tmp_minmax->tmp_max_tsn1=u_data->assoc->max_tsn1;
tmp_minmax->tmp_max_tsn2=u_data->assoc->max_tsn2;
u_data->assoc->min_max = g_slist_prepend(u_data->assoc->min_max, tmp_minmax);
/* build the GUI */
init_sctp_graph_window(u_data);
sctp_graph_redraw(u_data);
}
static void
quit(GObject *object _U_, gpointer user_data)
{
struct sctp_udata *u_data=(struct sctp_udata *)user_data;
decrease_childcount(u_data->parent);
remove_child(u_data, u_data->parent);
g_free(u_data->io);
u_data->assoc->min_max = NULL;
g_free(u_data);
}
static void
create_draw_area(GtkWidget *box, struct sctp_udata *u_data)
{
u_data->io->draw_area=gtk_drawing_area_new();
g_object_set_data(G_OBJECT(u_data->io->draw_area), "sctp_graph_t", u_data->io);
g_signal_connect(u_data->io->draw_area, "destroy", G_CALLBACK(quit), u_data);
gtk_widget_set_size_request(u_data->io->draw_area, u_data->io->surface_width, u_data->io->surface_height);
/* signals needed to handle backing pixmap */
#if GTK_CHECK_VERSION(3,0,0)
g_signal_connect(u_data->io->draw_area, "draw", G_CALLBACK(draw_event), u_data->io);
#else
g_signal_connect(u_data->io->draw_area, "expose_event", G_CALLBACK(expose_event), u_data->io);
#endif
g_signal_connect(u_data->io->draw_area, "configure_event", G_CALLBACK(configure_event), u_data);
gtk_widget_show(u_data->io->draw_area);
gtk_box_pack_start(GTK_BOX(box), u_data->io->draw_area, TRUE, TRUE, 0);
}
void
create_graph(guint16 dir, struct sctp_analyse* userdata)
{
struct sctp_udata *u_data;
u_data=(struct sctp_udata *)g_malloc(sizeof(struct sctp_udata));
u_data->assoc=userdata->assoc;
u_data->io=NULL;
u_data->dir = dir;
u_data->parent = userdata;
if ((u_data->dir==1 && u_data->assoc->n_array_tsn1==0)|| (u_data->dir==2 && u_data->assoc->n_array_tsn2==0))
simple_dialog(ESD_TYPE_INFO, ESD_BTN_OK, "No Data Chunks sent");
else
{
set_child(u_data, u_data->parent);
increase_childcount(u_data->parent);
gtk_sctpgraph_init(u_data);
}
}
#if defined(_WIN32) && !defined(__MINGW32__) && (_MSC_VER < 1800)
/* Starting VS2013, rint already defined in math.h. No need to redefine */
/* replacement of Unix rint() for Windows */
static int
rint (double x)
{
char *buf;
int i,dec,sig;
buf = _fcvt(x, 0, &dec, &sig);
i = atoi(buf);
if(sig == 1) {
i = i * -1;
}
return(i);
}
#endif
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