Move gtk to ui/gtk.

This looses the last checkin to gtk, will add this manually back.

svn path=/trunk/; revision=40518

1 files changed, 1542 insertions, 0 deletions

diff --git a/ui/gtk/sctp_byte_graph_dlg.c b/ui/gtk/sctp_byte_graph_dlg.c
new file mode 100644
index 0000000000..6be366fbbb
--- /dev/null
+++ b/ui/gtk/sctp_byte_graph_dlg.c
@@ -0,0 +1,1542 @@
+/*
+ * Copyright 2004, Irene Ruengeler <i.ruengeler [AT] fh-muenster.de>
+ *
+ * $Id$
+ *
+ * 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>
+#include <math.h>
+#include <string.h>
+
+#include <gtk/gtk.h>
+
+#include "epan/filesystem.h"
+#include <epan/strutil.h>
+
+#include "../globals.h"
+#include "../ui_util.h"
+#include "../simple_dialog.h"
+
+#include "ui/gtk/dlg_utils.h"
+#include "ui/gtk/main.h"
+#include "ui/gtk/sctp_stat.h"
+
+#include "ui/gtk/old-gtk-compat.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   80
+#define RIGHT_BORDER  20
+#define TOP_BORDER    20
+#define BOTTOM_BORDER 50
+
+#define SUB_32(a, b)	a-b
+
+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 sack_chunk_header {
+	guint8  type;
+	guint8  flags;
+	guint16 length;
+	guint32  cum_tsn_ack;
+	guint32  a_rwnd;
+	guint16 nr_of_gaps;
+	guint16 nr_of_dups;
+	guint8  *tsns;
+};
+
+struct gaps {
+	guint16 start;
+	guint16 end;
+};
+
+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;
+
+static void draw_sack_graph(struct sctp_udata *u_data)
+{
+	GdkColor red_color = {0, 65535, 0, 0};
+	GdkColor green_color = {0, 0, 65535, 0};
+	gint diff;
+	GPtrArray *array = NULL;
+	guint32 i, size = 0, start=0, end;
+	gboolean more = FALSE;
+	gint width;
+	cairo_t *cr;
+
+	if (u_data->dir == 1)
+	{
+		array = u_data->assoc->sort_sack1;
+		size=u_data->assoc->n_sack_chunks_ep1;
+		if (u_data->io->tmp == FALSE)
+		{
+			min_tsn = 0;
+			max_tsn = u_data->assoc->max_bytes1;
+		}
+		else
+		{
+			min_tsn = u_data->io->tmp_min_tsn1;
+			max_tsn = u_data->io->tmp_max_tsn1;
+		}
+	}
+	else if (u_data->dir == 2)
+	{
+		array = u_data->assoc->sort_sack2;
+		size = u_data->assoc->n_sack_chunks_ep2;
+		if (u_data->io->tmp == FALSE)
+		{
+			min_tsn = 0;
+			max_tsn = u_data->assoc->max_bytes2;
+		}
+		else
+		{
+			min_tsn = u_data->io->tmp_min_tsn2;
+			max_tsn = u_data->io->tmp_max_tsn2;
+		}
+	}
+
+	width = u_data->io->max_x - u_data->io->min_x;
+
+	for (i=0; i<size; i++)
+	{
+		if (u_data->io->uoff)
+			diff = (gint)((struct tsn_sort*)(g_ptr_array_index(array,  i)))->secs - u_data->io->min_x;
+		else
+			diff = (gint)((struct tsn_sort*)(g_ptr_array_index(array,  i)))->secs * 1000000 + ((struct tsn_sort*)(g_ptr_array_index(array,  i)))->usecs - u_data->io->min_x;
+		end = start + ((struct tsn_sort*)(g_ptr_array_index(array,  i)))->length;
+		if (end>max_tsn)
+		{
+			end = max_tsn;
+			more = TRUE;
+		}
+
+		if (start >= min_tsn && diff > 0 && diff <= width)
+		{
+#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_color (cr, &red_color);
+			cairo_set_line_width (cr, 1.0);
+			cairo_move_to(cr,
+				LEFT_BORDER+u_data->io->offset+u_data->io->x_interval*diff+0.5,
+				u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset-((SUB_32(start,min_tsn))*u_data->io->y_interval)+0.5);
+			cairo_line_to(cr,
+				LEFT_BORDER+u_data->io->offset+u_data->io->x_interval*diff+0.5,
+				u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset-((SUB_32(end,min_tsn))*u_data->io->y_interval)+0.5);
+				cairo_stroke(cr);
+				cairo_destroy(cr);			
+			if (more == 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
+				gdk_cairo_set_source_color (cr, &green_color);
+				cairo_set_line_width (cr, 1.0);
+				cairo_move_to(cr,
+					LEFT_BORDER+u_data->io->offset+u_data->io->x_interval*diff+0.5,
+					u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset-((SUB_32(end,min_tsn))*u_data->io->y_interval)+0.5);
+				cairo_line_to(cr,
+					LEFT_BORDER+u_data->io->offset+u_data->io->x_interval*diff,
+					u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset-((SUB_32(end+10,min_tsn))*u_data->io->y_interval)+0.5);
+				cairo_stroke(cr);
+				cairo_destroy(cr);
+				more = FALSE;
+			}
+		}
+
+	}
+}
+
+
+static void draw_tsn_graph(struct sctp_udata *u_data)
+{
+GPtrArray *array = NULL;
+guint32 i, size = 0, start, end;
+gint diff, width;
+cairo_t *cr;
+
+	if (u_data->dir == 1)
+	{
+		array = u_data->assoc->sort_tsn1;
+		size = u_data->assoc->n_data_chunks_ep1;
+		if (u_data->io->tmp == FALSE)
+		{
+			min_tsn = 0;
+			max_tsn = u_data->assoc->max_bytes1;
+		}
+		else
+		{
+			min_tsn = u_data->io->tmp_min_tsn1;
+			max_tsn = u_data->io->tmp_max_tsn1;
+		}
+	}
+	else if (u_data->dir == 2)
+	{
+		array = u_data->assoc->sort_tsn2;
+		size  = u_data->assoc->n_data_chunks_ep2;
+		if (u_data->io->tmp == FALSE)
+		{
+			min_tsn = 0;
+			max_tsn = u_data->assoc->max_bytes2;
+		}
+		else
+		{
+			min_tsn = u_data->io->tmp_min_tsn2;
+			max_tsn = u_data->io->tmp_max_tsn2;
+		}
+	}
+	width = u_data->io->max_x - u_data->io->min_x;
+
+	for (i=0; i<size; i++)
+	{
+		if (u_data->io->uoff)
+			diff = (gint)((struct tsn_sort*)(g_ptr_array_index(array, i)))->secs -u_data->io->min_x;
+		else
+			diff = (gint)((struct tsn_sort*)(g_ptr_array_index(array, i)))->secs*1000000 + ((struct tsn_sort*)(g_ptr_array_index(array, i)))->usecs-u_data->io->min_x;
+		start = ((struct tsn_sort*)(g_ptr_array_index(array, i)))->offset;
+		end = start + ((struct tsn_sort*)(g_ptr_array_index(array, i)))->length;
+		if (start >= min_tsn && diff > 0 && diff <= width){
+#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+u_data->io->x_interval*diff)+0.5,
+				(u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset-((SUB_32(start,min_tsn))*u_data->io->y_interval))+0.5);
+			cairo_line_to(cr,
+				(LEFT_BORDER+u_data->io->offset+u_data->io->x_interval*diff)+0.5,
+				(u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset-((SUB_32(end,min_tsn))*u_data->io->y_interval))+0.5);
+			cairo_stroke(cr);
+			cairo_destroy(cr);
+		}
+	}
+
+}
+
+
+static void sctp_graph_draw(struct sctp_udata *u_data)
+{
+	int length, lwidth;
+	guint32 distance=5, i, e, sec, w, start, a, j, b;
+	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->sort_tsn1 != 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->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);
+
+	distance = 5;
+	/* 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;
+
+	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;
+	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;
+	}
+	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), 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 (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));
+	if (w == 0)
+		w = 1;
+	if (w == 4 || w==3 || w==2)
+	{
+		w = 5;
+		a = distance / 10;
+		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 - 3);
+					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
+		simple_dialog(ESD_TYPE_INFO, ESD_BTN_OK, "No Data Chunks sent");
+
+	g_object_unref(G_OBJECT(layout));
+}
+
+
+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:
+			draw_sack_graph(u_data);
+			draw_tsn_graph(u_data);
+			break;
+		case 1:
+			draw_tsn_graph(u_data);
+			break;
+		case 2:
+			draw_sack_graph(u_data);
+			break;
+	}
+
+	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_, struct sctp_udata *u_data)
+{
+	u_data = (struct sctp_udata *) u_data;
+	u_data->io->graph_type = 2;
+	sctp_graph_redraw(u_data);
+}
+
+static void on_tsn_bt(GtkWidget *widget _U_, struct sctp_udata *u_data)
+{
+	u_data->io->graph_type = 1;
+	sctp_graph_redraw(u_data);
+}
+
+static void on_both_bt(GtkWidget *widget _U_, struct sctp_udata *u_data)
+{
+	u_data->io->graph_type = 0;
+	sctp_graph_redraw(u_data);
+}
+
+static void
+sctp_graph_close_cb(GtkWidget* widget _U_, gpointer u_data)
+{
+	struct sctp_udata *udata;
+
+	udata = (struct sctp_udata *)u_data;
+	gtk_grab_remove(GTK_WIDGET(udata->io->window));
+	gtk_widget_destroy(GTK_WIDGET(udata->io->window));
+}
+
+
+
+static gboolean
+on_configure_event(GtkWidget *widget, GdkEventConfigure *event _U_, gpointer user_data)
+{
+	struct sctp_udata *u_data = 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
+on_draw_area_draw_event(GtkWidget *widget, cairo_t *cr, gpointer user_data)
+{
+	sctp_graph_t *ios = 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
+on_expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer user_data)
+{
+	sctp_graph_t *ios = 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_, struct sctp_udata *u_data)
+{
+	sctp_min_max_t *tmp_minmax;
+
+	if (u_data->io->rectangle==TRUE)
+	{
+		tmp_minmax = 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;
+		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 = 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;
+	gtk_widget_set_sensitive(zoomout_bt, TRUE);
+	sctp_graph_redraw(u_data);
+}
+
+static void
+on_zoomout_bt (GtkWidget *widget _U_, struct sctp_udata *u_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=0;
+			u_data->io->tmp_max_tsn1=u_data->assoc->max_bytes1;
+			u_data->io->tmp_min_tsn2=0;
+			u_data->io->tmp_max_tsn2=u_data->assoc->max_bytes2;
+			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=0;
+		u_data->io->tmp_max_tsn1=u_data->assoc->max_bytes1;
+		u_data->io->tmp_min_tsn2=0;
+		u_data->io->tmp_max_tsn2=u_data->assoc->max_bytes2;
+		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 = 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)),
+			abs((long)(u_data->io->x_new-u_data->io->x_old)),
+			abs((long)(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((long)(u_data->io->x_new-u_data->io->x_old)), abs((long)(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)
+		u_data->io->y_old=u_data->io->surface_height-BOTTOM_BORDER-u_data->io->offset;
+	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 = user_data;
+	sctp_graph_t *ios;
+	guint32 helpx, helpy, x1_tmp, x2_tmp, y_value;
+	gint label_width, label_height;
+	gdouble x_value, position, tfirst;
+	gint lwidth;
+	char label_string[30];
+	GList *tsnlist=NULL;
+	tsn_t *tsn, *tmptsn;
+	PangoLayout  *layout;
+	GtkAllocation widget_alloc;
+	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((long)(event->x-u_data->io->x_old))>10 || abs((long)(event->y-u_data->io->y_old))>10)
+	{
+		u_data->io->rect_x_min = (guint32) floor(MIN(u_data->io->x_old,event->x));
+		u_data->io->rect_x_max = (guint32) ceil(MAX(u_data->io->x_old,event->x));
+		u_data->io->rect_y_min = (guint32) floor(MIN(u_data->io->y_old,event->y));
+		u_data->io->rect_y_max = (guint32) ceil(MAX(u_data->io->y_old,event->y));
+
+#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=(guint32) 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=(guint32) 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 = (guint32) floor((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 = g_list_last(u_data->assoc->tsn1);
+			else
+				tsnlist = g_list_last(u_data->assoc->tsn2);
+
+			tsn = (tsn_t*) (tsnlist->data);
+			tmptsn =(tsn_t*)(tsnlist->data);
+			tfirst = tsn->secs + tsn->usecs/1000000.0;
+
+			while (tsnlist)
+			{
+				tsnlist = g_list_previous(tsnlist);
+				tsn = (tsn_t*) (tsnlist->data);
+				if (tsn->secs+tsn->usecs/1000000.0<x_value)
+				{
+					tfirst = tsn->secs+tsn->usecs/1000000.0;
+					tmptsn =tsn;
+				}
+				else
+				{
+					if ((tfirst+tsn->secs+tsn->usecs/1000000.0)/2.0<x_value)
+					{
+						x_value = tsn->secs+tsn->usecs/1000000.0;
+						tmptsn = tsn;
+					}
+					else
+						x_value = tmptsn->secs+tmptsn->usecs/1000000.0;
+					break;
+				}
+			}
+			cf_goto_frame(&cfile, tmptsn->frame_number);
+			g_snprintf(label_string, sizeof(label_string), "(%.6f, %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, *sack_bt, *tsn_bt, *both_bt, *zoomin_bt;
+
+	/* create the main window */
+
+	u_data->io->window = dlg_window_new("SCTP Graphics");  /* transient_for top_level */
+	gtk_window_set_destroy_with_parent (GTK_WINDOW(u_data->io->window), TRUE);
+
+	vbox=gtk_vbox_new(FALSE, 0);
+	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_hbutton_box_new();
+	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_box_set_child_packing(GTK_BOX(vbox), hbox, FALSE, FALSE, 0, GTK_PACK_START);
+	gtk_widget_show(hbox);
+
+	sack_bt = gtk_button_new_with_label ("Adv. Rec. Window");
+	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 ("Data bytes sent");
+	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 = 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);
+	/* dlg_set_cancel(u_data->io->window, bt_close); */
+
+	gtk_widget_show(u_data->io->window);
+}
+
+static void sctp_graph_set_title(struct sctp_udata *u_data)
+{
+	char *title;
+
+	if(!u_data->io->window)
+	{
+		return;
+	}
+	title = g_strdup_printf("SCTP Data and Adv.Rcv.Window over Time: %s Port1 %u Port2 %u Endpoint %u",
+	                        cf_get_display_name(&cfile), u_data->parent->assoc->port1, u_data->parent->assoc->port2, u_data->dir);
+	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=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=0;
+	u_data->io->tmp_max_tsn1=u_data->assoc->max_bytes1;
+	u_data->io->tmp_min_tsn2=0;
+	u_data->io->tmp_max_tsn2=u_data->assoc->max_bytes2;
+	u_data->io->tmp=FALSE;
+	tmp_minmax = 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->io->tmp_min_tsn2;
+	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_max_tsn2=u_data->io->tmp_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=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(on_draw_area_draw_event), u_data->io);
+#else
+	g_signal_connect(u_data->io->draw_area, "expose_event", G_CALLBACK(on_expose_event), u_data->io);
+#endif
+	g_signal_connect(u_data->io->draw_area, "configure_event", G_CALLBACK(on_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);
+}
+
+static void insertion(GPtrArray *array, guint32 N)
+{
+	guint32 i, j;
+	guint32 v;
+	struct tsn_sort *help=NULL;
+
+	for (i=1; i<N; i++)
+	{
+		v = ((struct tsn_sort*)(g_ptr_array_index(array,i)))->tsnumber;
+		j=i;
+		while (j>=1 && ((struct tsn_sort*)(g_ptr_array_index(array, j-1)))->tsnumber > v)
+		{
+			help=g_ptr_array_index(array, j);
+			g_ptr_array_index(array, j)=g_ptr_array_index(array, j-1);
+			g_ptr_array_index(array, j-1)=help;
+			j--;
+		}
+		((struct tsn_sort*)(g_ptr_array_index(array, j)))->tsnumber=v;
+	}
+}
+
+static void set_arw_offsets(struct sctp_udata *u_data)
+{
+	GPtrArray *s_array=NULL, *t_array=NULL;
+	guint32 i, j=0;
+
+	if (u_data->dir==1 && u_data->assoc->n_sack_chunks_ep1>0)
+	{
+		s_array=u_data->assoc->sort_sack1;
+		t_array=u_data->assoc->sort_tsn1;
+		insertion(s_array,u_data->assoc->n_sack_chunks_ep1);
+
+		for (i=0; i<u_data->assoc->n_sack_chunks_ep1; i++)
+		{
+			while (((struct tsn_sort*)(g_ptr_array_index(s_array, i)))->tsnumber > ((struct tsn_sort*)(g_ptr_array_index(t_array, j)))->tsnumber)
+			{
+				j++;
+			}
+			((struct tsn_sort*)(g_ptr_array_index(s_array,i)))->offset = ((struct tsn_sort*)(g_ptr_array_index(t_array, j)))->offset
+			  + ((struct tsn_sort*)(g_ptr_array_index(t_array, j)))->length;
+		}
+
+		u_data->assoc->sort_sack1=s_array;
+	}
+
+	if (u_data->dir==2 && u_data->assoc->n_sack_chunks_ep2>0)
+	{
+		s_array=u_data->assoc->sort_sack2;
+		t_array=u_data->assoc->sort_tsn2;
+		insertion(s_array,u_data->assoc->n_sack_chunks_ep2);
+		j=0;
+		for (i=0; i<u_data->assoc->n_sack_chunks_ep2; i++)
+		{
+			while (((struct tsn_sort*)(g_ptr_array_index(s_array, i)))->tsnumber > ((struct tsn_sort*)(g_ptr_array_index(t_array,j)))->tsnumber)
+			{
+				j++;
+			}
+			((struct tsn_sort*)(g_ptr_array_index(s_array, i)))->offset = ((struct tsn_sort*)(g_ptr_array_index(t_array, j)))->offset
+			 + ((struct tsn_sort*)(g_ptr_array_index(t_array, j)))->length;
+		}
+		u_data->assoc->sort_sack2=s_array;
+	}
+}
+
+static void compute_offsets(struct sctp_udata *u_data)
+{
+	struct tsn_sort t_sort;
+	GPtrArray *array=NULL;
+	guint32 i;
+	guint32 sum=0;
+	guint32 tsntmp=0;
+
+	if (u_data->dir==1 && u_data->assoc->n_array_tsn1>0)
+	{
+		array=u_data->assoc->sort_tsn1;
+		insertion(array,u_data->assoc->n_array_tsn1);
+
+		for (i=0; i<u_data->assoc->n_array_tsn1; i++)
+		{
+			((struct tsn_sort*)(g_ptr_array_index(array, i)))->offset=sum;
+			t_sort.tsnumber=((struct tsn_sort*)(g_ptr_array_index(array, i)))->tsnumber;
+			if (t_sort.tsnumber>tsntmp)
+				sum+=((struct tsn_sort*)(g_ptr_array_index(array, i)))->length;
+			tsntmp=t_sort.tsnumber;
+		}
+		u_data->assoc->max_bytes1= ((struct tsn_sort*)(g_ptr_array_index(array, i-1)))->offset + ((struct tsn_sort*)(g_ptr_array_index(array, i-1)))->length;
+		u_data->assoc->sort_tsn1=array;
+	}
+	if (u_data->dir==2 && u_data->assoc->n_array_tsn2>0)
+	{
+		sum=0;
+		array=u_data->assoc->sort_tsn2;
+		insertion(array,u_data->assoc->n_array_tsn2);
+
+		for (i=0; i<u_data->assoc->n_array_tsn2; i++)
+		{
+			((struct tsn_sort*)(g_ptr_array_index(array,i)))->offset=sum;
+			t_sort.tsnumber=((struct tsn_sort*)(g_ptr_array_index(array, i)))->tsnumber;
+			if (t_sort.tsnumber>tsntmp)
+				sum+=((struct tsn_sort*)(g_ptr_array_index(array, i)))->length;
+			tsntmp=t_sort.tsnumber;
+		}
+
+		u_data->assoc->max_bytes2= ((struct tsn_sort*)(g_ptr_array_index(array,  u_data->assoc->n_data_chunks_ep2-1)))->offset + ((struct tsn_sort*)(g_ptr_array_index(array,  u_data->assoc->n_data_chunks_ep2-1)))->length;
+		u_data->assoc->sort_tsn2=array;
+	}
+}
+
+void create_byte_graph(guint16 dir, struct sctp_analyse* userdata)
+{
+	struct sctp_udata *u_data;
+
+	u_data=g_malloc(sizeof(struct sctp_udata));
+	u_data->assoc=g_malloc(sizeof(sctp_assoc_info_t));
+	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);
+		compute_offsets(u_data);
+		set_arw_offsets(u_data);
+		gtk_sctpgraph_init(u_data);
+	}
+
+}
+