27d0c040833b25521faedfe02d306acd422eb51d
[obnox/wireshark/wip.git] / gtk / sctp_graph_dlg.c
1 /*
2  * Copyright 2004, Irene Ruengeler <i.ruengeler [AT] fh-muenster.de>
3  *
4  * $Id$
5  *
6  * Wireshark - Network traffic analyzer
7  * By Gerald Combs <gerald@wireshark.org>
8  * Copyright 1998 Gerald Combs
9  *
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License
12  * as published by the Free Software Foundation; either version 2
13  * of the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
23  */
24
25 #ifdef HAVE_CONFIG_H
26 #  include <config.h>
27 #endif
28
29
30 #include <gtk/gtk.h>
31 #include <gdk/gdk.h>
32 #include <stdio.h>
33 #include <stdlib.h>
34 #include <math.h>
35 #include <string.h>
36 #include "globals.h"
37 #include "epan/filesystem.h"
38 #include "../color.h"
39 #include "dlg_utils.h"
40 #include "ui_util.h"
41 #include "main.h"
42 #include "compat_macros.h"
43 #include "simple_dialog.h"
44 #include "sctp_stat.h"
45
46 #define DEFAULT_PIXELS_PER_TICK 2
47 #define MAX_PIXELS_PER_TICK 4
48 #define AUTO_MAX_YSCALE 0
49 #define MAX_TICK_VALUES 5
50 #define DEFAULT_TICK_VALUE 3
51 #define MAX_YSCALE 22
52 #define MAX_COUNT_TYPES 3
53
54 #define COUNT_TYPE_FRAMES   0
55 #define COUNT_TYPE_BYTES    1
56 #define COUNT_TYPE_ADVANCED 2
57
58 #define LEFT_BORDER 60
59 #define RIGHT_BORDER 10
60 #define TOP_BORDER 10
61 #define BOTTOM_BORDER 50
62
63 #define SUB_32(a, b)    a-b
64 #define POINT_SIZE      3
65
66 struct chunk_header {
67         guint8  type;
68         guint8  flags;
69         guint16 length;
70 };
71
72 struct data_chunk_header {
73         guint8  type;
74         guint8  flags;
75         guint16 length;
76         guint32 tsn;
77         guint16 sid;
78         guint16 ssn;
79         guint32 ppi;
80 };
81
82 struct init_chunk_header {
83         guint8  type;
84         guint8  flags;
85         guint16 length;
86         guint32 initiate_tag;
87         guint32 a_rwnd;
88         guint16 mos;
89         guint16 mis;
90         guint32 initial_tsn;
91 };
92
93 struct sack_chunk_header {
94         guint8  type;
95         guint8  flags;
96         guint16 length;
97         guint32 cum_tsn_ack;
98         guint32 a_rwnd;
99         guint16 nr_of_gaps;
100         guint16 nr_of_dups;
101         guint8  *tsns;
102 };
103
104 struct gaps {
105         guint16 start;
106         guint16 end;
107 };
108
109
110 static gboolean label_set = FALSE;
111 static guint32 max_tsn=0, min_tsn=0;
112 static void sctp_graph_set_title(struct sctp_udata *u_data);
113 static void create_draw_area(GtkWidget *box, struct sctp_udata *u_data);
114 static GtkWidget *zoomout_bt;
115
116 static void draw_sack_graph(struct sctp_udata *u_data)
117 {
118         tsn_t   *sack;
119         GList *list=NULL, *tlist;
120         guint16 gap_start=0, gap_end=0, i, j, nr;
121         guint8 type;
122         guint32 tsnumber;
123         gint xvalue, yvalue;
124         GdkColor red_color = {0, 65535, 0, 0};
125         GdkColor green_color = {0, 0, 65535, 0};
126         GdkGC *red_gc, *green_gc;
127         struct sack_chunk_header *sack_header;
128         struct gaps *gap;
129         guint32 max_num, diff;
130 #if GTK_MAJOR_VERSION < 2
131         GdkColormap *colormap;
132 #endif
133
134         red_gc = gdk_gc_new(u_data->io->draw_area->window);
135 #if GTK_MAJOR_VERSION < 2
136                 colormap = gtk_widget_get_colormap (u_data->io->draw_area);
137                 if (!gdk_color_alloc (colormap, &red_color))
138                 {
139                         g_warning ("Couldn't allocate color");
140                 }
141
142                 gdk_gc_set_foreground(red_gc, &red_color);
143 #else
144                 gdk_gc_set_rgb_fg_color(red_gc, &red_color);
145 #endif
146
147         green_gc = gdk_gc_new(u_data->io->draw_area->window);
148 #if GTK_MAJOR_VERSION < 2
149                 colormap = gtk_widget_get_colormap (u_data->io->draw_area);
150                 if (!gdk_color_alloc (colormap, &green_color))
151                 {
152                         g_warning ("Couldn't allocate color");
153                 }
154
155                 gdk_gc_set_foreground(green_gc, &green_color);
156 #else
157                 gdk_gc_set_rgb_fg_color(green_gc, &green_color);
158 #endif
159
160         if (u_data->dir==2)
161         {
162
163                 list = g_list_last(u_data->assoc->sack2);
164                 if (u_data->io->tmp==FALSE)
165                 {
166                         min_tsn=u_data->assoc->min_tsn2;
167                         max_tsn=u_data->assoc->max_tsn2;
168                 }
169                 else
170                 {
171                         min_tsn=u_data->assoc->min_tsn2+u_data->io->tmp_min_tsn2;
172                         max_tsn=u_data->assoc->min_tsn2+u_data->io->tmp_max_tsn2;
173                 }
174         }
175         else if (u_data->dir==1)
176         {
177                 list = g_list_last(u_data->assoc->sack1);
178                 if (u_data->io->tmp==FALSE)
179                 {
180                         min_tsn=u_data->assoc->min_tsn1;
181                         max_tsn=u_data->assoc->max_tsn1;
182                 }
183                 else
184                 {
185                         min_tsn=u_data->assoc->min_tsn1+u_data->io->tmp_min_tsn1;
186                         max_tsn=u_data->assoc->min_tsn1+u_data->io->tmp_max_tsn1;
187                 }
188         }
189
190         while (list)
191         {
192                 sack = (tsn_t*) (list->data);
193                 tlist = g_list_first(sack->tsns);
194                 while (tlist)
195                 {
196                         type = ((struct chunk_header *)tlist->data)->type;
197
198                         if (type == SCTP_SACK_CHUNK_ID)
199                         {
200                                 sack_header =(struct sack_chunk_header *)tlist->data;
201                                 nr=ntohs(sack_header->nr_of_gaps);
202                                 tsnumber = ntohl(sack_header->cum_tsn_ack);
203
204                                 if (sack->secs>=u_data->io->x1_tmp_sec)
205                                 {
206                                         if (nr>0)
207                                         {
208                                                 gap = (struct gaps *)(&(sack_header->tsns));
209                                                 for(i=0;i<nr; i++)
210                                                 {
211                                                         gap_start=ntohs(gap->start);
212                                                         gap_end = ntohs(gap->end);
213                                                         max_num=gap_end+tsnumber;
214                                                         for (j=gap_start; j<=gap_end; j++)
215                                                         {
216                                                                 if (u_data->io->uoff)
217                                                                         diff = sack->secs - u_data->io->min_x;
218                                                                 else
219                                                                         diff=sack->secs*1000000+sack->usecs-u_data->io->min_x;
220                                                                 xvalue = (guint32)(LEFT_BORDER+u_data->io->offset+u_data->io->x_interval*diff);
221                                                                 yvalue = (guint32)(u_data->io->pixmap_height-BOTTOM_BORDER-POINT_SIZE-u_data->io->offset-((SUB_32(j+tsnumber,min_tsn))*u_data->io->y_interval));
222                                                                 if (xvalue >= LEFT_BORDER+u_data->io->offset &&
223                                                                     xvalue <= u_data->io->pixmap_width-RIGHT_BORDER+u_data->io->offset &&
224                                                                     yvalue >= TOP_BORDER-u_data->io->offset &&
225                                                                     yvalue <= u_data->io->pixmap_height-BOTTOM_BORDER-u_data->io->offset)
226                                                                         gdk_draw_arc(u_data->io->pixmap,green_gc,TRUE,
227                                                                                     xvalue,
228                                                                                     yvalue,
229                                                                                     POINT_SIZE, POINT_SIZE,0, (64*360) );
230                                                         }
231                                                         if (i < nr-1)
232                                                                 gap++;
233                                                 }
234                                         }
235                                         else
236                                                 max_num=tsnumber;
237                                         if (tsnumber>=min_tsn)
238                                         {
239                                                 if (u_data->io->uoff)
240                                                         diff = sack->secs - u_data->io->min_x;
241                                                 else
242                                                         diff=sack->secs*1000000+sack->usecs-u_data->io->min_x;
243                                                 xvalue = (guint32)(LEFT_BORDER+u_data->io->offset+u_data->io->x_interval*diff);
244                                                 yvalue = (guint32)(u_data->io->pixmap_height-BOTTOM_BORDER-POINT_SIZE -u_data->io->offset-((SUB_32(tsnumber,min_tsn))*u_data->io->y_interval));
245                                                 if (xvalue >= LEFT_BORDER+u_data->io->offset && 
246                                                     xvalue <= u_data->io->pixmap_width-RIGHT_BORDER+u_data->io->offset &&
247                                                     yvalue >= TOP_BORDER-u_data->io->offset &&
248                                                     yvalue <= u_data->io->pixmap_height-BOTTOM_BORDER-u_data->io->offset)
249                                                         gdk_draw_arc(u_data->io->pixmap,red_gc,TRUE,
250                                                                      xvalue,
251                                                                      yvalue,
252                                                                      POINT_SIZE, POINT_SIZE,0, (64*360) );
253                                         }
254                                 }
255                         tlist = g_list_next(tlist);
256                         }
257                 }
258                 list = g_list_previous(list);
259         }
260 #if GTK_MAJOR_VERSION >= 2
261                 g_object_unref(G_OBJECT(red_gc));
262                 g_object_unref(G_OBJECT(green_gc));
263 #endif
264 }
265
266
267 static void draw_tsn_graph(struct sctp_udata *u_data)
268 {
269         tsn_t *tsn;
270         GList *list=NULL, *tlist;
271         guint8 type;
272         guint32 tsnumber=0;
273         guint32 min_secs=0, diff;
274         gint xvalue, yvalue;
275
276         if (u_data->dir==1)
277         {
278                 list = g_list_last(u_data->assoc->tsn1);
279                 if (u_data->io->tmp==FALSE)
280                 {
281                         min_tsn=u_data->assoc->min_tsn1;
282                         max_tsn=u_data->assoc->max_tsn1;
283                 }
284                 else
285                 {
286                         min_tsn=u_data->assoc->min_tsn1+u_data->io->tmp_min_tsn1;
287                         max_tsn=u_data->assoc->min_tsn1+u_data->io->tmp_max_tsn1;
288                 }
289         }
290         else if (u_data->dir==2)
291         {
292                 list = g_list_last(u_data->assoc->tsn2);
293                 if (u_data->io->tmp==FALSE)
294                 {
295                         min_tsn=u_data->assoc->min_tsn2;
296                         max_tsn=u_data->assoc->max_tsn2;
297                 }
298                 else
299                 {
300                         min_tsn=u_data->assoc->min_tsn2+u_data->io->tmp_min_tsn2;
301                         max_tsn=u_data->assoc->min_tsn2+u_data->io->tmp_max_tsn2;
302                 }
303         }
304
305         while (list)
306         {
307                 tsn = (tsn_t*) (list->data);
308                 tlist = g_list_first(tsn->tsns);
309                 while (tlist)
310                 {
311                         type = ((struct chunk_header *)tlist->data)->type;
312                         if (type == SCTP_DATA_CHUNK_ID)
313                                 tsnumber = ntohl(((struct data_chunk_header *)tlist->data)->tsn);
314                         if (tsnumber>=min_tsn && tsnumber<=max_tsn && tsn->secs>=min_secs)
315                         {
316                                         if (u_data->io->uoff)
317                                                 diff = tsn->secs - u_data->io->min_x;
318                                         else
319                                                 diff=tsn->secs*1000000+tsn->usecs-u_data->io->min_x;
320                                         xvalue = (guint32)(LEFT_BORDER+u_data->io->offset+u_data->io->x_interval*diff);
321                                         yvalue = (guint32)(u_data->io->pixmap_height-BOTTOM_BORDER-POINT_SIZE-u_data->io->offset-((SUB_32(tsnumber,min_tsn))*u_data->io->y_interval));
322                                         if (xvalue >= LEFT_BORDER+u_data->io->offset && 
323                                             xvalue <= u_data->io->pixmap_width-RIGHT_BORDER+u_data->io->offset &&
324                                             yvalue >= TOP_BORDER-u_data->io->offset &&
325                                             yvalue <= u_data->io->pixmap_height-BOTTOM_BORDER-u_data->io->offset)
326                                                 gdk_draw_arc(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,TRUE,
327                                                              xvalue,
328                                                              yvalue,
329                                                              POINT_SIZE, POINT_SIZE, 0, (64*360));
330                         }
331                         tlist = g_list_next(tlist);
332                 }
333                 list = g_list_previous(list);
334         }
335 }
336
337
338 static void sctp_graph_draw(struct sctp_udata *u_data)
339 {
340         int length, lwidth;
341         guint32  distance=5, i, e, sec, w, start, a, b, j;
342         gint label_width, label_height;
343         char label_string[15];
344         gfloat dis;
345         gboolean write_label = FALSE;
346
347 #if GTK_MAJOR_VERSION < 2
348         GdkFont *font;
349 #else
350         PangoLayout  *layout;
351 #endif
352
353         if (u_data->io->x1_tmp_sec==0 && u_data->io->x1_tmp_usec==0)
354                 u_data->io->offset=0;
355         else
356                 u_data->io->offset=5;
357
358         if (u_data->io->x2_tmp_sec - u_data->io->x1_tmp_sec > 1500)
359         {
360                 u_data->io->min_x=u_data->io->x1_tmp_sec;
361                 u_data->io->max_x=u_data->io->x2_tmp_sec;
362                 u_data->io->uoff = TRUE;
363         }
364         else
365         {
366                 u_data->io->min_x=u_data->io->x1_tmp_sec*1000000.0+u_data->io->x1_tmp_usec;
367                 u_data->io->max_x=u_data->io->x2_tmp_sec*1000000.0+u_data->io->x2_tmp_usec;             
368                 u_data->io->uoff = FALSE;
369         }
370
371         u_data->io->tmp_width=u_data->io->max_x-u_data->io->min_x;
372
373         if (u_data->dir==1)
374         {
375                 if (u_data->io->tmp==FALSE)
376                 {
377                         if (u_data->assoc->tsn1!=NULL || u_data->assoc->sack1!=NULL)
378                                 u_data->io->max_y=u_data->io->tmp_max_tsn1 - u_data->io->tmp_min_tsn1;
379                         else
380                                 u_data->io->max_y= 0;
381                         u_data->io->min_y = 0;
382                 }
383                 else
384                 {
385                         u_data->io->max_y = u_data->io->tmp_max_tsn1;
386                         u_data->io->min_y = u_data->io->tmp_min_tsn1;
387                 }
388         }
389         else if (u_data->dir==2)
390         {
391                 if (u_data->io->tmp==FALSE)
392                 {
393                         if (u_data->assoc->tsn2!=NULL || u_data->assoc->sack2!=NULL)
394                                         u_data->io->max_y=u_data->io->tmp_max_tsn2 -u_data->io->tmp_min_tsn2;
395                         else
396                                 u_data->io->max_y= 0;
397                         u_data->io->min_y = 0;
398                 }
399                 else
400                 {
401                         u_data->io->max_y = u_data->io->tmp_max_tsn2;
402                         u_data->io->min_y = u_data->io->tmp_min_tsn2;
403                 }
404         }
405
406         gdk_draw_rectangle(u_data->io->pixmap,
407                            u_data->io->draw_area->style->white_gc,
408                            TRUE,
409                            0, 0,
410                            u_data->io->draw_area->allocation.width,
411                            u_data->io->draw_area->allocation.height);
412
413         distance=5;
414         /* x_axis */
415         gdk_draw_line(u_data->io->pixmap,u_data->io->draw_area->style->black_gc, LEFT_BORDER+u_data->io->offset,u_data->io->pixmap_height-BOTTOM_BORDER,u_data->io->pixmap_width-RIGHT_BORDER+u_data->io->offset, u_data->io->pixmap_height-BOTTOM_BORDER);
416         gdk_draw_line(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,u_data->io->pixmap_width-RIGHT_BORDER+u_data->io->offset, u_data->io->pixmap_height-BOTTOM_BORDER, u_data->io->pixmap_width-RIGHT_BORDER+u_data->io->offset-5, u_data->io->pixmap_height-BOTTOM_BORDER-5);
417         gdk_draw_line(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,u_data->io->pixmap_width-RIGHT_BORDER+u_data->io->offset, u_data->io->pixmap_height-BOTTOM_BORDER, u_data->io->pixmap_width-RIGHT_BORDER+u_data->io->offset-5, u_data->io->pixmap_height-BOTTOM_BORDER+5);
418         u_data->io->axis_width=u_data->io->pixmap_width-LEFT_BORDER-RIGHT_BORDER-u_data->io->offset;
419
420         /* try to avoid dividing by zero */
421         if(u_data->io->tmp_width>0){
422                 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*/
423         } else {
424                 u_data->io->x_interval = (float)(u_data->io->axis_width);
425         }
426
427         e=0; /*number of decimals of x_interval*/
428         if (u_data->io->x_interval<1)
429         {
430                 dis=1/u_data->io->x_interval;
431                 while (dis >1)
432                 {
433                         dis/=10;
434                         e++;
435                 }
436                 distance=1;
437                 for (i=0; i<=e+1; i++)
438                         distance*=10; /*distance per 100 pixels*/
439         }
440         else
441                 distance=5;
442
443 #if GTK_MAJOR_VERSION < 2
444         font = u_data->io->draw_area->style->font;
445 #endif
446
447 #if GTK_MAJOR_VERSION < 2
448         label_width=gdk_string_width(font, label_string);
449         label_height=gdk_string_height(font, label_string);
450 #else
451         g_snprintf(label_string, 15, "%d", 0);
452         memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), 15);
453         layout = gtk_widget_create_pango_layout(u_data->io->draw_area, label_string);
454         pango_layout_get_pixel_size(layout, &label_width, &label_height);
455
456 #endif
457
458         if (u_data->io->x1_tmp_usec==0)
459                 sec=u_data->io->x1_tmp_sec;
460         else
461                 sec=u_data->io->x1_tmp_sec+1;
462
463
464         if (u_data->io->offset!=0)
465         {
466                 g_snprintf(label_string, 15, "%u", u_data->io->x1_tmp_sec);
467
468 #if GTK_MAJOR_VERSION < 2
469                 lwidth=gdk_string_width(font, label_string);
470                 gdk_draw_string(u_data->io->pixmap,font,u_data->io->draw_area->style->black_gc,
471                                 LEFT_BORDER-25,
472                                 u_data->io->pixmap_height-BOTTOM_BORDER+20,
473                                 label_string);
474 #else
475                 memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), 15);
476                 pango_layout_set_text(layout, label_string, -1);
477                 pango_layout_get_pixel_size(layout, &lwidth, NULL);
478
479                 gdk_draw_layout(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,
480                                 LEFT_BORDER-25,
481                                 u_data->io->pixmap_height-BOTTOM_BORDER+20,
482                                 layout);
483 #endif
484         }
485
486         w=(guint32)(500/(guint32)(distance*u_data->io->x_interval)); /*there will be a label for every w_th tic*/
487
488         if (w==0)
489                 w=1;
490         
491         if (w==4 || w==3 || w==2)
492         {
493                 w=5;
494                 a=distance/10;  /*distance between two tics*/
495                 b = (guint32)((u_data->io->min_x/100000))%10; /* start for labels*/
496         }
497         else
498         {
499                 a=distance/5;
500                 b=0;
501         }
502         
503
504         if (!u_data->io->uoff)  
505         {
506                 if (a>=1000000)
507                 {
508                         start=u_data->io->min_x/1000000*1000000;
509                         if (a==1000000)
510                                 b = 0;
511                 }
512                 else
513                 {
514                         start=u_data->io->min_x/100000;
515                         if (start%2!=0)
516                                 start--;
517                         start*=100000;
518                         b = (guint32)((start/100000))%10;
519                 }
520         }
521         else
522         {
523                 start = u_data->io->min_x;
524                 if (start%2!=0)
525                         start--;
526                 b = 0;
527                 
528         }
529
530         for (i=start, j=b; i<=u_data->io->max_x; i+=a, j++)
531         {
532                 if (!u_data->io->uoff)
533                 if (i>=u_data->io->min_x && i%1000000!=0)
534                 {
535                         length=5;
536                         g_snprintf(label_string, 15, "%d", i%1000000);
537                         if (j%w==0)
538                         {
539                                 length=10;
540
541                                 #if GTK_MAJOR_VERSION < 2
542                                         lwidth=gdk_string_width(font, label_string);
543                                         gdk_draw_string(u_data->io->pixmap,font,u_data->io->draw_area->style->black_gc,
544                                                 (guint32)(LEFT_BORDER+u_data->io->offset+(i-u_data->io->min_x)*u_data->io->x_interval-lwidth/2),
545                                                 u_data->io->pixmap_height-BOTTOM_BORDER+10,
546                                                 label_string);
547                                 #else
548                                         memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), 15);
549                                         pango_layout_set_text(layout, label_string, -1);
550                                         pango_layout_get_pixel_size(layout, &lwidth, NULL);
551                                         gdk_draw_layout(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,
552                                                 (guint32)(LEFT_BORDER+u_data->io->offset+(i-u_data->io->min_x)*u_data->io->x_interval-lwidth/2),
553                                                 u_data->io->pixmap_height-BOTTOM_BORDER+10,
554                                                 layout);
555                                 #endif
556                         }
557                         gdk_draw_line(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,
558                                 (guint32)(LEFT_BORDER+u_data->io->offset+(i-u_data->io->min_x)*u_data->io->x_interval),
559                                 u_data->io->pixmap_height-BOTTOM_BORDER,
560                                 (guint32)(LEFT_BORDER+u_data->io->offset+(i-u_data->io->min_x)*u_data->io->x_interval),
561                                 u_data->io->pixmap_height-BOTTOM_BORDER+length);
562                 }
563
564                 if (!u_data->io->uoff)
565                 {
566                         if (i%1000000==0 && j%w==0)
567                         {
568                                 sec=i/1000000;
569                                 write_label = TRUE;
570                         }
571                 }
572                 else
573                 {
574                         if (j%w == 0)
575                         {
576                                 sec = i;
577                                 write_label = TRUE;
578                         }
579                 }
580                 if (write_label)
581                 {
582                         gdk_draw_line(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,
583                         (guint32)(LEFT_BORDER+u_data->io->offset+(i-u_data->io->min_x)*u_data->io->x_interval),
584                         u_data->io->pixmap_height-BOTTOM_BORDER,
585                         (guint32)(LEFT_BORDER+u_data->io->offset+(i-u_data->io->min_x)*u_data->io->x_interval),
586                         u_data->io->pixmap_height-BOTTOM_BORDER+10);
587
588                         g_snprintf(label_string, 15, "%d", sec);
589                         #if GTK_MAJOR_VERSION < 2
590                                 lwidth=gdk_string_width(font, label_string);
591                                 gdk_draw_string(u_data->io->pixmap,font,u_data->io->draw_area->style->black_gc,
592                                         (guint32)(LEFT_BORDER+u_data->io->offset+(i-u_data->io->min_x)*u_data->io->x_interval-10),
593                                         u_data->io->pixmap_height-BOTTOM_BORDER+20,
594                                         label_string);
595                         #else
596                                 memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), 15);
597                                 pango_layout_set_text(layout, label_string, -1);
598                                 pango_layout_get_pixel_size(layout, &lwidth, NULL);
599
600                                 gdk_draw_layout(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,
601                                 (guint32)(LEFT_BORDER+u_data->io->offset+(i-u_data->io->min_x)*u_data->io->x_interval-10),
602                                         u_data->io->pixmap_height-BOTTOM_BORDER+20,
603                                         layout);
604                         #endif
605                         write_label = FALSE;
606                 }
607                 
608         }
609
610         strcpy(label_string, "sec");
611
612 #if GTK_MAJOR_VERSION < 2
613         lwidth=gdk_string_width(font, label_string);
614         gdk_draw_string(u_data->io->pixmap,
615                         font,
616                         u_data->io->draw_area->style->black_gc,
617                         u_data->io->pixmap_width-RIGHT_BORDER-10,
618                         u_data->io->pixmap_height-BOTTOM_BORDER+30,
619                         label_string);
620 #else
621         memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), 15);
622         pango_layout_set_text(layout, label_string, -1);
623         pango_layout_get_pixel_size(layout, &lwidth, NULL);
624         gdk_draw_layout(u_data->io->pixmap,
625                         u_data->io->draw_area->style->black_gc,
626                         u_data->io->pixmap_width-RIGHT_BORDER-10,
627                         u_data->io->pixmap_height-BOTTOM_BORDER+30,
628                         layout);
629 #endif
630
631         distance=5;
632
633         /* y-axis */
634         gdk_draw_line(u_data->io->pixmap,u_data->io->draw_area->style->black_gc, LEFT_BORDER,TOP_BORDER-u_data->io->offset,LEFT_BORDER,u_data->io->pixmap_height-BOTTOM_BORDER-u_data->io->offset);
635         gdk_draw_line(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,LEFT_BORDER,TOP_BORDER-u_data->io->offset, LEFT_BORDER-5, TOP_BORDER-u_data->io->offset+5);
636         gdk_draw_line(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,LEFT_BORDER,TOP_BORDER-u_data->io->offset, LEFT_BORDER+5, TOP_BORDER-u_data->io->offset+5);
637
638         u_data->io->y_interval = (float)(((u_data->io->pixmap_height-TOP_BORDER-BOTTOM_BORDER)*1.0)/(u_data->io->max_y-u_data->io->min_y));
639
640         e=0;
641         if (u_data->io->y_interval<1)
642         {
643                 dis=1/u_data->io->y_interval;
644                 while (dis >1)
645                 {
646                         dis/=10;
647                         e++;
648                 }
649                 distance=1;
650                 for (i=0; i<=e; i++)
651                         distance=distance*10;
652         }
653         else if (u_data->io->y_interval<2)
654                 distance = 10;
655
656         if (u_data->io->max_y>0)
657         {
658                 for (i=u_data->io->min_y/distance*distance; i<=u_data->io->max_y; i+=distance/5)
659                 {
660                         if (i>=u_data->io->min_y)
661                         {
662                                 length=5;
663                                 g_snprintf(label_string, 15, "%d", i);
664                                 if (i%distance==0 || (distance<=5 && u_data->io->y_interval>10))
665                                 {
666                                         length=10;
667
668 #if GTK_MAJOR_VERSION < 2
669                                                 lwidth=gdk_string_width(font, label_string);
670                                                 gdk_draw_string(u_data->io->pixmap,font,u_data->io->draw_area->style->black_gc,
671                                                                 LEFT_BORDER-length-lwidth-5,
672                                                                 (guint32)(u_data->io->pixmap_height-BOTTOM_BORDER-u_data->io->offset-(i-u_data->io->min_y)*u_data->io->y_interval-POINT_SIZE),
673                                                                 label_string);
674 #else
675                                                 memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), 15);
676                                                 pango_layout_set_text(layout, label_string, -1);
677                                                 pango_layout_get_pixel_size(layout, &lwidth, NULL);
678                                                 gdk_draw_layout(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,
679                                                                 LEFT_BORDER-length-lwidth-5,
680                                                                 (guint32)(u_data->io->pixmap_height-BOTTOM_BORDER-u_data->io->offset-(i-u_data->io->min_y)*u_data->io->y_interval-POINT_SIZE),
681                                                                 layout);
682 #endif
683                                 }
684                                 gdk_draw_line(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,LEFT_BORDER-length,
685                                               (guint32)(u_data->io->pixmap_height-BOTTOM_BORDER-u_data->io->offset-(i-u_data->io->min_y)*u_data->io->y_interval),
686                                               LEFT_BORDER,
687                                               (guint32)(u_data->io->pixmap_height-BOTTOM_BORDER-u_data->io->offset-(i-u_data->io->min_y)*u_data->io->y_interval));
688                         }
689                 }
690         }
691         else if ((u_data->dir==1 && u_data->assoc->n_array_tsn1==0) || (u_data->dir==2 && u_data->assoc->n_array_tsn2==0))
692                 simple_dialog(ESD_TYPE_INFO, ESD_BTN_OK, "No Data Chunks sent");
693 }
694
695
696 static void sctp_graph_redraw(struct sctp_udata *u_data)
697 {
698 sctp_graph_t *ios;
699
700         u_data->io->needs_redraw=TRUE;
701
702         sctp_graph_draw(u_data);
703         switch (u_data->io->graph_type)
704         {
705                 case 0:
706                         draw_sack_graph(u_data);
707                         draw_tsn_graph(u_data);
708                         break;
709                 case 1:
710                         draw_tsn_graph(u_data);
711                         break;
712                 case 2:
713                         draw_sack_graph(u_data);
714                         break;
715         }
716         ios=(sctp_graph_t *)OBJECT_GET_DATA(u_data->io->draw_area, "sctp_graph_t");
717
718         if(!ios){
719                 exit(10);
720         }
721
722
723         gdk_draw_pixmap(u_data->io->draw_area->window,
724                         u_data->io->draw_area->style->fg_gc[GTK_WIDGET_STATE(u_data->io->draw_area)],
725                         ios->pixmap,
726                         0,0,
727                         0, 0,
728                         u_data->io->draw_area->allocation.width,
729                         u_data->io->draw_area->allocation.height);
730 }
731
732
733 static void on_sack_bt(GtkWidget *widget _U_, struct sctp_udata *u_data)
734 {
735
736         u_data = (struct sctp_udata *) u_data;
737         u_data->io->graph_type=2;
738         sctp_graph_redraw(u_data);
739 }
740
741 static void on_tsn_bt(GtkWidget *widget _U_, struct sctp_udata *u_data)
742 {
743
744         u_data->io->graph_type=1;
745         sctp_graph_redraw(u_data);
746 }
747
748 static void on_both_bt(GtkWidget *widget _U_, struct sctp_udata *u_data)
749 {
750
751         u_data->io->graph_type=0;
752         sctp_graph_redraw(u_data);
753 }
754
755 static void
756 sctp_graph_close_cb(GtkWidget* widget _U_, gpointer u_data)
757 {
758         struct sctp_udata *udata;
759         int dir;
760
761         udata = (struct sctp_udata *)u_data;
762         dir=udata->dir-1;
763         gtk_grab_remove(GTK_WIDGET(udata->io->window));
764         gtk_widget_destroy(GTK_WIDGET(udata->io->window));
765
766 }
767
768 static gint
769 configure_event(GtkWidget *widget, GdkEventConfigure *event _U_, struct sctp_udata *u_data)
770 {
771         if(!u_data->io){
772                 exit(10);
773         }
774
775         if(u_data->io->pixmap){
776                 gdk_pixmap_unref(u_data->io->pixmap);
777                 u_data->io->pixmap=NULL;
778         }
779
780         u_data->io->pixmap=gdk_pixmap_new(widget->window,
781                         widget->allocation.width,
782                         widget->allocation.height,
783                         -1);
784         u_data->io->pixmap_width=widget->allocation.width;
785         u_data->io->pixmap_height=widget->allocation.height;
786
787         gdk_draw_rectangle(u_data->io->pixmap,
788                         widget->style->white_gc,
789                         TRUE,
790                         0, 0,
791                         widget->allocation.width,
792                         widget->allocation.height);
793         sctp_graph_redraw(u_data);
794         return TRUE;
795 }
796
797 static gint
798 expose_event(GtkWidget *widget, GdkEventExpose *event)
799 {
800         sctp_graph_t *ios;
801
802         ios=(sctp_graph_t *)OBJECT_GET_DATA(widget, "sctp_graph_t");
803         if(!ios){
804                 exit(10);
805         }
806
807         gdk_draw_pixmap(widget->window,
808                         widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
809                         ios->pixmap,
810                         event->area.x, event->area.y,
811                         event->area.x, event->area.y,
812                         event->area.width, event->area.height);
813
814         return FALSE;
815 }
816
817
818 static void
819 on_zoomin_bt (GtkWidget *widget _U_, struct sctp_udata *u_data)
820 {
821         sctp_min_max_t *tmp_minmax;
822
823         if (u_data->io->rectangle_present==TRUE)
824         {
825                 tmp_minmax = g_malloc(sizeof(sctp_min_max_t));
826
827                 u_data->io->tmp_min_tsn1=u_data->io->y1_tmp+u_data->io->min_y;
828                 u_data->io->tmp_max_tsn1=u_data->io->y2_tmp+1+u_data->io->min_y;
829                 u_data->io->tmp_min_tsn2=u_data->io->tmp_min_tsn1;
830                 u_data->io->tmp_max_tsn2=u_data->io->tmp_max_tsn1;
831                 tmp_minmax->tmp_min_secs=u_data->io->x1_tmp_sec;
832                 tmp_minmax->tmp_min_usecs=      u_data->io->x1_tmp_usec;
833                 tmp_minmax->tmp_max_secs=       u_data->io->x2_tmp_sec;
834                 tmp_minmax->tmp_max_usecs=      u_data->io->x2_tmp_usec;
835                 tmp_minmax->tmp_min_tsn1=u_data->io->tmp_min_tsn1;
836                 tmp_minmax->tmp_max_tsn1=u_data->io->tmp_max_tsn1;
837                 tmp_minmax->tmp_min_tsn2=u_data->io->tmp_min_tsn2;
838                 tmp_minmax->tmp_max_tsn2=u_data->io->tmp_max_tsn2;
839                 u_data->assoc->min_max = g_slist_prepend(u_data->assoc->min_max, tmp_minmax);
840                 u_data->io->length = g_slist_length(u_data->assoc->min_max);
841                 u_data->io->tmp=TRUE;
842                 u_data->io->rectangle=FALSE;
843                 u_data->io->rectangle_present=FALSE;
844                 gtk_widget_set_sensitive(zoomout_bt, TRUE);
845                 sctp_graph_redraw(u_data);
846         }
847         else
848         {
849                 simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, "Please draw a rectangle around the area you want to zoom in!");
850         }
851 }
852
853 static void
854 zoomin_bt (struct sctp_udata *u_data)
855 {
856         sctp_min_max_t *tmp_minmax;
857
858         tmp_minmax = g_malloc(sizeof(sctp_min_max_t));
859
860         u_data->io->tmp_min_tsn1=u_data->io->y1_tmp+u_data->io->min_y;
861         u_data->io->tmp_max_tsn1=u_data->io->y2_tmp+1+u_data->io->min_y;
862         u_data->io->tmp_min_tsn2=u_data->io->tmp_min_tsn1;
863         u_data->io->tmp_max_tsn2=u_data->io->tmp_max_tsn1;
864         tmp_minmax->tmp_min_secs=u_data->io->x1_tmp_sec;
865         tmp_minmax->tmp_min_usecs=      u_data->io->x1_tmp_usec;
866         tmp_minmax->tmp_max_secs=       u_data->io->x2_tmp_sec;
867         tmp_minmax->tmp_max_usecs=      u_data->io->x2_tmp_usec;
868         tmp_minmax->tmp_min_tsn1=u_data->io->tmp_min_tsn1;
869         tmp_minmax->tmp_max_tsn1=u_data->io->tmp_max_tsn1;
870         tmp_minmax->tmp_min_tsn2=u_data->io->tmp_min_tsn2;
871         tmp_minmax->tmp_max_tsn2=u_data->io->tmp_max_tsn2;
872         u_data->assoc->min_max = g_slist_prepend(u_data->assoc->min_max, tmp_minmax);
873         u_data->io->length = g_slist_length(u_data->assoc->min_max);
874         u_data->io->tmp=TRUE;
875         u_data->io->rectangle=FALSE;
876         u_data->io->rectangle_present=FALSE;
877         gtk_widget_set_sensitive(zoomout_bt, TRUE);
878         sctp_graph_redraw(u_data);
879         
880 }
881
882
883
884 static void
885 on_zoomout_bt (GtkWidget *widget _U_, struct sctp_udata *u_data)
886 {
887         sctp_min_max_t *tmp_minmax, *mm;
888         gint l;
889
890         l = g_slist_length(u_data->assoc->min_max);
891
892         if (u_data->assoc->min_max!=NULL)
893         {
894                 mm=(sctp_min_max_t *)((u_data->assoc->min_max)->data);
895                 u_data->assoc->min_max=g_slist_remove(u_data->assoc->min_max, mm);
896                 g_free(mm);
897                 if (l>2)
898                 {
899                         tmp_minmax = (sctp_min_max_t *)u_data->assoc->min_max->data;
900                         u_data->io->x1_tmp_sec=tmp_minmax->tmp_min_secs;
901                         u_data->io->x1_tmp_usec=tmp_minmax->tmp_min_usecs;
902                         u_data->io->x2_tmp_sec=tmp_minmax->tmp_max_secs;
903                         u_data->io->x2_tmp_usec=tmp_minmax->tmp_max_usecs;
904                         u_data->io->tmp_min_tsn1=tmp_minmax->tmp_min_tsn1;
905                         u_data->io->tmp_max_tsn1=tmp_minmax->tmp_max_tsn1;
906                         u_data->io->tmp_min_tsn2=tmp_minmax->tmp_min_tsn2;
907                         u_data->io->tmp_max_tsn2=tmp_minmax->tmp_max_tsn2;
908                         u_data->io->tmp=TRUE;
909                 }
910                 else
911                 {
912                         u_data->io->x1_tmp_sec=u_data->assoc->min_secs;
913                         u_data->io->x1_tmp_usec=u_data->assoc->min_usecs;
914                         u_data->io->x2_tmp_sec=u_data->assoc->max_secs;
915                         u_data->io->x2_tmp_usec=u_data->assoc->max_usecs;
916                         u_data->io->tmp_min_tsn1=u_data->assoc->min_tsn1;
917                         u_data->io->tmp_max_tsn1=u_data->assoc->max_tsn1;
918                         u_data->io->tmp_min_tsn2=u_data->assoc->min_tsn2;
919                         u_data->io->tmp_max_tsn2=u_data->assoc->max_tsn2;
920                         u_data->io->tmp=FALSE;
921                 }
922         }
923         else
924         {
925                 u_data->io->x1_tmp_sec=u_data->assoc->min_secs;
926                 u_data->io->x1_tmp_usec=u_data->assoc->min_usecs;
927                 u_data->io->x2_tmp_sec=u_data->assoc->max_secs;
928                 u_data->io->x2_tmp_usec=u_data->assoc->max_usecs;
929                 u_data->io->tmp_min_tsn1=u_data->assoc->min_tsn1;
930                 u_data->io->tmp_max_tsn1=u_data->assoc->max_tsn1;
931                 u_data->io->tmp_min_tsn2=u_data->assoc->min_tsn2;
932                 u_data->io->tmp_max_tsn2=u_data->assoc->max_tsn2;
933                 u_data->io->tmp=FALSE;
934         }
935         if (g_slist_length(u_data->assoc->min_max)==1)
936                 gtk_widget_set_sensitive(zoomout_bt, FALSE);
937         sctp_graph_redraw(u_data);
938 }
939
940 static gint
941 on_button_press (GtkWidget *widget _U_, GdkEventButton *event, struct sctp_udata *u_data)
942 {
943         sctp_graph_t *ios;
944
945         if (u_data->io->rectangle==TRUE)
946         {
947                 gdk_draw_rectangle(u_data->io->pixmap,u_data->io->draw_area->style->white_gc,
948                                    FALSE,
949                                    (gint)floor(MIN(u_data->io->x_old,u_data->io->x_new)),
950                                    (gint)floor(MIN(u_data->io->y_old,u_data->io->y_new)),
951                                    (gint)floor(abs((long)(u_data->io->x_new-u_data->io->x_old))),
952                                    (gint)floor(abs((long)(u_data->io->y_new-u_data->io->y_old))));
953                 ios=(sctp_graph_t *)OBJECT_GET_DATA(u_data->io->draw_area, "sctp_graph_t");
954
955                 if(!ios){
956                         exit(10);
957                 }
958
959                 gdk_draw_pixmap(u_data->io->draw_area->window,
960                                 u_data->io->draw_area->style->fg_gc[GTK_WIDGET_STATE(u_data->io->draw_area)],
961                                 ios->pixmap,
962                                 0,0,
963                                 0, 0,
964                                 (gint)(abs((long)(u_data->io->x_new-u_data->io->x_old))),
965                                 (gint)(abs((long)(u_data->io->y_new-u_data->io->y_old))));
966                 sctp_graph_redraw(u_data);
967         }
968         u_data->io->x_old=event->x;
969         u_data->io->y_old=event->y;
970         if (u_data->io->y_old>u_data->io->pixmap_height-BOTTOM_BORDER-u_data->io->offset-POINT_SIZE)
971                 u_data->io->y_old=u_data->io->pixmap_height-BOTTOM_BORDER-u_data->io->offset-POINT_SIZE;
972         if (u_data->io->x_old<LEFT_BORDER+u_data->io->offset)
973                 u_data->io->x_old=LEFT_BORDER+u_data->io->offset;
974         u_data->io->rectangle=FALSE;
975
976         return TRUE;
977 }
978
979
980 static gint
981 on_button_release (GtkWidget *widget _U_, GdkEventButton *event, struct sctp_udata *u_data)
982 {
983         sctp_graph_t *ios;
984         guint32 helpx, helpy, x1_tmp, x2_tmp,  y_value;
985         gint label_width, label_height;
986         gdouble x_value, position;
987         gint lwidth;
988         char label_string[30];
989         GdkGC *text_color;
990         #if GTK_MAJOR_VERSION < 2
991                 GdkFont *font;
992 #else
993                 PangoLayout  *layout;
994 #endif
995
996 #if GTK_MAJOR_VERSION < 2
997                 font = u_data->io->draw_area->style->font;
998 #endif
999
1000 #if GTK_MAJOR_VERSION < 2
1001                 label_width=gdk_string_width(font, label_string);
1002                 label_height=gdk_string_height(font, label_string);
1003 #else
1004                 g_snprintf(label_string, 15, "%d", 0);
1005                 memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), 15);
1006                 layout = gtk_widget_create_pango_layout(u_data->io->draw_area, label_string);
1007                 pango_layout_get_pixel_size(layout, &label_width, &label_height);
1008
1009 #endif
1010
1011         if (event->y>u_data->io->pixmap_height-BOTTOM_BORDER-u_data->io->offset)
1012                 event->y = u_data->io->pixmap_height-BOTTOM_BORDER-u_data->io->offset;
1013         if (event->x < LEFT_BORDER+u_data->io->offset)
1014                 event->x = LEFT_BORDER+u_data->io->offset;
1015         if (abs((long)(event->x-u_data->io->x_old))>10 || abs((long)(event->y-u_data->io->y_old))>10)
1016         {
1017                 u_data->io->rect_x_min = (gint)floor(MIN(u_data->io->x_old,event->x));
1018                 u_data->io->rect_x_max = (gint)ceil(MAX(u_data->io->x_old,event->x));
1019                 u_data->io->rect_y_min = (gint)floor(MIN(u_data->io->y_old,event->y));
1020                 u_data->io->rect_y_max = (gint)ceil(MAX(u_data->io->y_old,event->y))+POINT_SIZE;
1021                 gdk_draw_rectangle(u_data->io->pixmap,u_data->io->draw_area->style->black_gc,
1022                                    FALSE,
1023                                    u_data->io->rect_x_min, u_data->io->rect_y_min,
1024                                    u_data->io->rect_x_max - u_data->io->rect_x_min,
1025                                    u_data->io->rect_y_max - u_data->io->rect_y_min);
1026                 ios=(sctp_graph_t *)OBJECT_GET_DATA(u_data->io->draw_area, "sctp_graph_t");
1027
1028                 if(!ios){
1029                         exit(10);
1030                 }
1031
1032                 gdk_draw_pixmap(u_data->io->draw_area->window,
1033                                 u_data->io->draw_area->style->fg_gc[GTK_WIDGET_STATE(u_data->io->draw_area)],
1034                                 ios->pixmap,
1035                                 0, 0,
1036                                 0, 0,
1037                                 u_data->io->draw_area->allocation.width,
1038                                 u_data->io->draw_area->allocation.height);
1039
1040                 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));
1041                 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));
1042                 helpx=MIN(x1_tmp, x2_tmp);
1043                 if (helpx==x2_tmp)
1044                 {
1045                         x2_tmp=x1_tmp;
1046                         x1_tmp=helpx;
1047                 }
1048                 if (u_data->io->uoff)
1049                 {
1050                         if (x2_tmp - x1_tmp <= 1500)                    
1051                                 u_data->io->uoff = FALSE;
1052                         u_data->io->x1_tmp_sec=(guint32)x1_tmp;
1053                         u_data->io->x1_tmp_usec=0;
1054                         u_data->io->x2_tmp_sec=(guint32)x2_tmp;
1055                         u_data->io->x2_tmp_usec=0;
1056                 }
1057                 else 
1058                 {
1059                         u_data->io->x1_tmp_sec=(guint32)x1_tmp/1000000;
1060                         u_data->io->x1_tmp_usec=x1_tmp%1000000;
1061                         u_data->io->x2_tmp_sec=(guint32)x2_tmp/1000000;
1062                         u_data->io->x2_tmp_usec=x2_tmp%1000000;
1063                 }
1064                 u_data->io->x1_akt_sec = u_data->io->x1_tmp_sec;
1065                 u_data->io->x1_akt_usec = u_data->io->x1_tmp_usec;
1066                 u_data->io->x2_akt_sec = u_data->io->x2_tmp_sec;
1067                 u_data->io->x2_akt_usec = u_data->io->x2_tmp_usec;
1068
1069                 u_data->io->y1_tmp=(guint32)((u_data->io->pixmap_height-BOTTOM_BORDER-u_data->io->offset-u_data->io->y_old)/u_data->io->y_interval);
1070                 u_data->io->y2_tmp=(guint32)((u_data->io->pixmap_height-BOTTOM_BORDER-u_data->io->offset-event->y)/u_data->io->y_interval);
1071                 helpy = MIN(u_data->io->y1_tmp, u_data->io->y2_tmp);
1072                 u_data->io->y2_tmp = MAX(u_data->io->y1_tmp, u_data->io->y2_tmp);
1073                 u_data->io->y1_tmp = helpy;
1074                 u_data->io->x_new=event->x;
1075                 u_data->io->y_new=event->y;
1076                 u_data->io->rectangle=TRUE;
1077                 u_data->io->rectangle_present=TRUE;
1078         }
1079         else
1080         {
1081                 if (u_data->io->rectangle_present==TRUE)
1082                 {
1083                         u_data->io->rectangle_present=FALSE;
1084                         if (event->x >= u_data->io->rect_x_min && event->x <= u_data->io->rect_x_max && 
1085                              event->y >= u_data->io->rect_y_min && event->y <= u_data->io->rect_y_max)
1086                                 zoomin_bt(u_data);
1087                         else
1088                         {
1089                                 u_data->io->x1_tmp_sec = u_data->io->x1_akt_sec;
1090                                 u_data->io->x1_tmp_usec = u_data->io->x1_akt_usec;
1091                                 u_data->io->x2_tmp_sec = u_data->io->x2_akt_sec;
1092                                 u_data->io->x2_tmp_usec = u_data->io->x2_akt_usec;
1093                                 sctp_graph_redraw(u_data);
1094                         }
1095                 }
1096                 else if (label_set)
1097                 {
1098                         label_set = FALSE;
1099                         sctp_graph_redraw(u_data);
1100                 }
1101                 else
1102                 {
1103                         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->pixmap_width-LEFT_BORDER-u_data->io->offset))+u_data->io->x1_tmp_sec+u_data->io->x1_tmp_usec/1000000.0;
1104                         y_value = floor((u_data->io->pixmap_height-BOTTOM_BORDER-u_data->io->offset-event->y) * (max_tsn - min_tsn) / (u_data->io->pixmap_height-BOTTOM_BORDER-u_data->io->offset)) + min_tsn;
1105                         text_color = u_data->io->draw_area->style->black_gc;
1106                         g_snprintf(label_string, 30, "(%.6lf, %u)", x_value, y_value);
1107                         label_set = TRUE;
1108
1109                         gdk_draw_line(u_data->io->pixmap,text_color, event->x-2, event->y, event->x+2, event->y);
1110                         gdk_draw_line(u_data->io->pixmap,text_color, event->x, event->y-2, event->x, event->y+2);
1111                         if (event->x+150>=u_data->io->pixmap_width)
1112                                 position = event->x - 150;
1113                         else
1114                                 position = event->x + 5;
1115
1116 #if GTK_MAJOR_VERSION < 2
1117                         lwidth=gdk_string_width(font, label_string);
1118                                             gdk_draw_string(u_data->io->pixmap,font,text_color,
1119                                             position,
1120                                             event->y-10,
1121                                             label_string);
1122 #else
1123                         memcpy(label_string,(gchar *)g_locale_to_utf8(label_string, -1 , NULL, NULL, NULL), 15);
1124                         pango_layout_set_text(layout, label_string, -1);
1125                         pango_layout_get_pixel_size(layout, &lwidth, NULL);
1126
1127                         gdk_draw_layout(u_data->io->pixmap,text_color,
1128                                                         position,
1129                                                         event->y-10,
1130                                                         layout);
1131         #endif
1132                         ios=(sctp_graph_t *)OBJECT_GET_DATA(u_data->io->draw_area, "sctp_graph_t");
1133
1134                         if(!ios){
1135                                 exit(10);
1136                         }
1137                         gdk_draw_pixmap(u_data->io->draw_area->window,
1138                                     u_data->io->draw_area->style->fg_gc[GTK_WIDGET_STATE(u_data->io->draw_area)],
1139                                     ios->pixmap,
1140                                     0, 0,
1141                                     0, 0,
1142                                     u_data->io->draw_area->allocation.width,
1143                                     u_data->io->draw_area->allocation.height);
1144                 }
1145         }
1146         return TRUE;
1147 }
1148
1149
1150 static void init_sctp_graph_window(struct sctp_udata *u_data)
1151 {
1152         GtkWidget *vbox;
1153         GtkWidget *hbox;
1154         GtkWidget *bt_close, *sack_bt, *tsn_bt, *both_bt, *zoomin_bt;
1155         GtkTooltips *tooltip_in, *tooltip_out;
1156
1157         /* create the main window */
1158
1159         u_data->io->window=gtk_window_new(GTK_WINDOW_TOPLEVEL);
1160
1161         gtk_widget_set_name(u_data->io->window, "SCTP Graphics");
1162
1163         vbox=gtk_vbox_new(FALSE, 0);
1164         gtk_container_add(GTK_CONTAINER(u_data->io->window), vbox);
1165         gtk_widget_show(vbox);
1166
1167         create_draw_area(vbox, u_data);
1168
1169         sctp_graph_set_title(u_data);
1170
1171         hbox = gtk_hbutton_box_new();
1172         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
1173         gtk_container_set_border_width(GTK_CONTAINER(hbox), 10);
1174         gtk_button_box_set_layout(GTK_BUTTON_BOX (hbox), GTK_BUTTONBOX_SPREAD);
1175         gtk_button_box_set_spacing(GTK_BUTTON_BOX (hbox), 0);
1176         gtk_box_set_child_packing(GTK_BOX(vbox), hbox, FALSE, FALSE, 0, GTK_PACK_START);
1177         gtk_widget_show(hbox);
1178
1179         sack_bt = gtk_button_new_with_label ("Show Sacks");
1180         gtk_box_pack_start(GTK_BOX(hbox), sack_bt, FALSE, FALSE, 0);
1181         gtk_widget_show(sack_bt);
1182
1183         gtk_signal_connect(GTK_OBJECT(sack_bt), "clicked", (GtkSignalFunc)on_sack_bt, u_data);
1184
1185         tsn_bt = gtk_button_new_with_label ("Show TSNs");
1186         gtk_box_pack_start(GTK_BOX(hbox), tsn_bt, FALSE, FALSE, 0);
1187         gtk_widget_show(tsn_bt);
1188         SIGNAL_CONNECT(tsn_bt, "clicked", on_tsn_bt, u_data);
1189
1190         both_bt = gtk_button_new_with_label ("Show both");
1191         gtk_box_pack_start(GTK_BOX(hbox), both_bt, FALSE, FALSE, 0);
1192         gtk_widget_show(both_bt);
1193         SIGNAL_CONNECT(both_bt, "clicked", on_both_bt, u_data);
1194
1195         zoomin_bt = gtk_button_new_with_label ("Zoom in");
1196         gtk_box_pack_start(GTK_BOX(hbox), zoomin_bt, FALSE, FALSE, 0);
1197         gtk_widget_show(zoomin_bt);
1198         SIGNAL_CONNECT(zoomin_bt, "clicked", on_zoomin_bt, u_data);
1199         tooltip_in = gtk_tooltips_new();
1200         gtk_tooltips_set_tip(tooltip_in, zoomin_bt, "Zoom in the area you have selected", NULL);
1201
1202         zoomout_bt = gtk_button_new_with_label ("Zoom out");
1203         gtk_box_pack_start(GTK_BOX(hbox), zoomout_bt, FALSE, FALSE, 0);
1204         gtk_widget_show(zoomout_bt);
1205         SIGNAL_CONNECT(zoomout_bt, "clicked", on_zoomout_bt, u_data);
1206         tooltip_out = gtk_tooltips_new();
1207         gtk_tooltips_set_tip(tooltip_out, zoomout_bt, "Zoom out one step", NULL);
1208         gtk_widget_set_sensitive(zoomout_bt, FALSE);
1209
1210         bt_close = BUTTON_NEW_FROM_STOCK(GTK_STOCK_CLOSE);
1211         gtk_box_pack_start(GTK_BOX(hbox), bt_close, FALSE, FALSE, 0);
1212         gtk_widget_show(bt_close);
1213         SIGNAL_CONNECT(bt_close, "clicked", sctp_graph_close_cb, u_data);
1214
1215         gtk_signal_connect(GTK_OBJECT(u_data->io->draw_area),"button_press_event",(GtkSignalFunc)on_button_press, u_data);
1216         gtk_signal_connect(GTK_OBJECT(u_data->io->draw_area),"button_release_event",(GtkSignalFunc)on_button_release, u_data);
1217         gtk_widget_set_events(u_data->io->draw_area, GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_EXPOSURE_MASK);
1218
1219         gtk_widget_show(u_data->io->window);
1220 }
1221
1222 static void sctp_graph_set_title(struct sctp_udata *u_data)
1223 {
1224         char *title;
1225
1226         if(!u_data->io->window)
1227         {
1228                 return;
1229         }
1230         title = g_strdup_printf("SCTP TSNs and Sacks over Time: %s Port1 %u Port2 %u Endpoint %u",
1231                                 cf_get_display_name(&cfile), u_data->parent->assoc->port1, u_data->parent->assoc->port2, u_data->dir);
1232         gtk_window_set_title(GTK_WINDOW(u_data->io->window), title);
1233         g_free(title);
1234 }
1235
1236 static void
1237 gtk_sctpgraph_init(struct sctp_udata *u_data)
1238 {
1239         sctp_graph_t *io;
1240         gint dir;
1241         sctp_min_max_t* tmp_minmax;
1242
1243         io=g_malloc(sizeof(sctp_graph_t));
1244         io->needs_redraw=TRUE;
1245         io->x_interval=1000;
1246         io->window=NULL;
1247         io->draw_area=NULL;
1248         io->pixmap=NULL;
1249         io->pixmap_width=800;
1250         io->pixmap_height=600;
1251         io->graph_type=0;
1252         dir=u_data->dir-1;
1253         u_data->io=io;
1254         u_data->io->x1_tmp_sec=u_data->assoc->min_secs;
1255         u_data->io->x1_tmp_usec=u_data->assoc->min_usecs;
1256         u_data->io->x2_tmp_sec=u_data->assoc->max_secs;
1257         u_data->io->x2_tmp_usec=u_data->assoc->max_usecs;
1258         u_data->io->tmp_min_tsn1=u_data->assoc->min_tsn1;
1259         u_data->io->tmp_max_tsn1=u_data->assoc->max_tsn1;
1260         u_data->io->tmp_min_tsn2=u_data->assoc->min_tsn2;
1261         u_data->io->tmp_max_tsn2=u_data->assoc->max_tsn2;
1262         u_data->io->tmp=FALSE;
1263
1264         tmp_minmax = g_malloc(sizeof(sctp_min_max_t));
1265         tmp_minmax->tmp_min_secs = u_data->assoc->min_secs;
1266         tmp_minmax->tmp_min_usecs=u_data->assoc->min_usecs;
1267         tmp_minmax->tmp_max_secs=u_data->assoc->max_secs;
1268         tmp_minmax->tmp_max_usecs=u_data->assoc->max_usecs;
1269         tmp_minmax->tmp_min_tsn2=u_data->assoc->min_tsn2;
1270         tmp_minmax->tmp_min_tsn1=u_data->assoc->min_tsn1;
1271         tmp_minmax->tmp_max_tsn1=u_data->assoc->max_tsn1;
1272         tmp_minmax->tmp_max_tsn2=u_data->assoc->max_tsn2;
1273         u_data->assoc->min_max = g_slist_prepend(u_data->assoc->min_max, tmp_minmax);
1274
1275         /* build the GUI */
1276         init_sctp_graph_window(u_data);
1277         sctp_graph_redraw(u_data);
1278
1279 }
1280
1281
1282 static gint
1283 quit(GtkObject *object _U_, gpointer user_data)
1284 {
1285         struct sctp_udata *u_data=(struct sctp_udata*)user_data;
1286
1287         decrease_childcount(u_data->parent);
1288         remove_child(u_data, u_data->parent);
1289
1290         g_free(u_data->io);
1291
1292         u_data->assoc->min_max = NULL;
1293         g_free(u_data);
1294         return TRUE;
1295 }
1296
1297
1298 static void create_draw_area(GtkWidget *box, struct sctp_udata *u_data)
1299 {
1300
1301         u_data->io->draw_area=gtk_drawing_area_new();
1302         SIGNAL_CONNECT(u_data->io->draw_area, "destroy", quit, u_data);
1303         OBJECT_SET_DATA(u_data->io->draw_area, "sctp_graph_t", u_data->io);
1304
1305         WIDGET_SET_SIZE(u_data->io->draw_area, u_data->io->pixmap_width, u_data->io->pixmap_height);
1306
1307         /* signals needed to handle backing pixmap */
1308         SIGNAL_CONNECT(u_data->io->draw_area, "expose_event", expose_event, NULL);
1309         SIGNAL_CONNECT(u_data->io->draw_area, "configure_event", configure_event, u_data);
1310
1311         gtk_widget_show(u_data->io->draw_area);
1312         gtk_box_pack_start(GTK_BOX(box), u_data->io->draw_area, TRUE, TRUE, 0);
1313 }
1314
1315
1316
1317 void create_graph(guint16 dir, struct sctp_analyse* userdata)
1318 {
1319         struct sctp_udata *u_data;
1320
1321         u_data=g_malloc(sizeof(struct sctp_udata));
1322         u_data->assoc=g_malloc(sizeof(sctp_assoc_info_t));
1323         u_data->assoc=userdata->assoc;
1324         u_data->io=NULL;
1325         u_data->dir = dir;
1326         u_data->parent = userdata;
1327         if ((u_data->dir==1 && u_data->assoc->n_array_tsn1==0)|| (u_data->dir==2 && u_data->assoc->n_array_tsn2==0))
1328                 simple_dialog(ESD_TYPE_INFO, ESD_BTN_OK, "No Data Chunks sent");
1329         else
1330         {
1331                 set_child(u_data, u_data->parent);
1332                 increase_childcount(u_data->parent);
1333                 gtk_sctpgraph_init(u_data);
1334         }
1335 }