diff options
Diffstat (limited to 'ui/gtk/sctp_graph_dlg.c')
-rw-r--r-- | ui/gtk/sctp_graph_dlg.c | 1867 |
1 files changed, 1867 insertions, 0 deletions
diff --git a/ui/gtk/sctp_graph_dlg.c b/ui/gtk/sctp_graph_dlg.c new file mode 100644 index 0000000000..149fe9ce71 --- /dev/null +++ b/ui/gtk/sctp_graph_dlg.c @@ -0,0 +1,1867 @@ +/* + * Copyright 2004, Irene Ruengeler <i.ruengeler [AT] fh-muenster.de> + * Copyright 2009, Varun Notibala <nbvarun [AT] gmail.com> + * + * $Id$ + * + * 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 60 +#define RIGHT_BORDER 10 +#define TOP_BORDER 10 +#define BOTTOM_BORDER 50 + +#define SUB_32(a, b) ((a)-(b)) +#define POINT_SIZE 3 + +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__) +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, dup; + gint xvalue, yvalue; + GdkColor red_color = {0, 65535, 0, 0}; + GdkColor green_color = {0, 0, 65535, 0}; + GdkColor cyan_color = {0, 0, 65535, 65535}; + 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_color (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_color (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++) + { + dup = g_ntohl(dup_list[i]); + if (dup >= 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(dup,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_color (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; + GdkColor red_color = {0, 65535, 0, 0}; + GdkColor blue_color = {0, 0, 0, 65535}; + GdkColor green_color = {0, 0, 65535, 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_color (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_color (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_color (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_color (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; + + 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) + 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 + 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); + + 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; + + /* 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 = 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 = 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 = 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 = 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 = 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 = 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 = 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 = user_data; + sctp_min_max_t *tmp_minmax; + + if (u_data->io->rectangle_present==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; + 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 = 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 = 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 = 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((long)(u_data->io->x_new-u_data->io->x_old))), + floor(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-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 = 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((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 = (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)abs(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)abs(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=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 ("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 = 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 *title; + + if(!u_data->io->window) + { + return; + } + title = g_strdup_printf("SCTP TSNs and Sacks 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=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 = 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=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=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__) +/* 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 |