9 #include <glade/glade.h>
10 #include <libgnomeui/gnome-canvas.h>
11 #include <libgnomeui/gnome-canvas-rect-ellipse.h>
12 #include <libgnomeui/gnome-canvas-text.h>
13 #include <libgnomeui/gnome-canvas-line.h>
14 #include <libgnomeui/gnome-canvas-util.h>
18 #include "interface.h"
30 #define MAXBUFSIZE 1024
34 static GdkColormap *colormap = NULL;
35 static GdkColor timecolor;
43 #define INFINITY 1.0e10
45 node_t *nodes[MAX_NODES];
48 double k[MAX_NODES][MAX_NODES];
49 double d[MAX_NODES][MAX_NODES];
50 double l[MAX_NODES][MAX_NODES];
51 const double epsilon = 0.001;
53 static int inited = 0;
55 static int number_of_nodes = 0;
57 static GtkWidget *nodetree;
58 static GtkCTreeNode *subnets_ctn, *hosts_ctn, *conns_ctn;
60 static GnomeCanvasGroup *edge_group = NULL;
62 static int canvas_width;
63 static int canvas_height;
65 static GtkWidget *canvas = NULL;
67 GtkWidget *create_canvas(void)
71 gtk_widget_push_visual(gdk_rgb_get_visual());
72 gtk_widget_push_colormap(gdk_rgb_get_cmap());
74 canvas = gnome_canvas_new_aa();
76 gtk_widget_pop_visual();
77 gtk_widget_pop_colormap();
79 gnome_canvas_set_scroll_region(GNOME_CANVAS(canvas), 0, 0, 500, 300);
81 w = glade_xml_get_widget(xml, "scrolledwindow3");
84 fprintf(stderr, "Could not find widget `scrolledwindow3'\n");
87 gtk_container_add(GTK_CONTAINER(w), canvas);
88 gtk_widget_show_all(w);
91 canvas_height = 500.0;
96 int init_interface(void)
104 nodetree = glade_xml_get_widget(xml, "NodeTree");
107 fprintf(stderr, _("Could not find widget `NodeTree'\n"));
111 gtk_clist_freeze(GTK_CLIST(nodetree));
114 hosts_ctn = gtk_ctree_insert_node(GTK_CTREE(nodetree),
116 NULL, NULL, NULL, NULL,
119 subnets_ctn = gtk_ctree_insert_node(GTK_CTREE(nodetree),
121 NULL, NULL, NULL, NULL,
123 l[0] = _("Connections");
124 conns_ctn = gtk_ctree_insert_node(GTK_CTREE(nodetree),
126 NULL, NULL, NULL, NULL,
129 gtk_clist_thaw(GTK_CLIST(nodetree));
136 void log_message(int severity, const char *fmt, ...)
139 char buffer1[MAXBUFSIZE];
140 char buffer2[MAXBUFSIZE];
146 static int inited = 0;
151 w = glade_xml_get_widget(xml, "Messages");
155 /* Use vsnprintf instead of vasprintf: faster, no memory
156 fragmentation, cleanup is automatic, and there is a limit on the
157 input buffer anyway */
159 len = vsnprintf(buffer1, MAXBUFSIZE, fmt, args);
162 buffer1[MAXBUFSIZE-1] = '\0';
163 if((p = strrchr(buffer1, '\n')))
168 snprintf(buffer2, MAXBUFSIZE, "%02d:%02d:%02d ",
169 tm->tm_hour, tm->tm_min, tm->tm_sec);
173 colormap = gdk_colormap_new(gdk_visual_get_system(), FALSE);
174 timecolor.red = 0xffff;
177 if(gdk_colormap_alloc_color(colormap, &timecolor, FALSE, TRUE) != TRUE)
179 fprintf(stderr, "Failed to allocate color\n");
184 gtk_text_freeze(GTK_TEXT(w));
187 gtk_text_insert(GTK_TEXT(w), NULL, NULL, NULL, "\n", 1);
189 gtk_text_insert(GTK_TEXT(w), NULL, &timecolor, NULL, buffer2, strlen(buffer2));
190 gtk_text_insert(GTK_TEXT(w), NULL, NULL, NULL, buffer1, len);
191 gtk_text_thaw(GTK_TEXT(w));
196 static gint item_event(GnomeCanvasItem *item, GdkEvent *event, gpointer data)
198 static double item_x, old_x, new_x, item_y, old_y, new_y;
199 static int dragging = FALSE;
203 item_x = event->button.x;
204 item_y = event->button.y;
205 gnome_canvas_item_w2i(item->parent, &item_x, &item_y);
209 case GDK_BUTTON_PRESS:
210 switch(event->button.button)
216 fleur = gdk_cursor_new(GDK_FLEUR);
217 gnome_canvas_item_grab(item, GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK, fleur, event->button.time);
218 gdk_cursor_destroy(fleur);
227 case GDK_MOTION_NOTIFY:
228 if(dragging && (event->motion.state & GDK_BUTTON1_MASK))
232 gnome_canvas_item_move(item, new_x - old_x, new_y - old_y);
238 case GDK_BUTTON_RELEASE:
239 gnome_canvas_item_ungrab(item, event->button.time);
241 n = (node_t *)gtk_object_get_user_data(GTK_OBJECT(item));
255 GtkCTreeNode *if_node_add(node_t *n)
264 gtk_clist_freeze(GTK_CLIST(nodetree));
265 n->host_ctn = gtk_ctree_insert_node(GTK_CTREE(nodetree),
266 hosts_ctn, NULL, l, 1,
267 NULL, NULL, NULL, NULL,
269 gtk_clist_thaw(GTK_CLIST(nodetree));
271 if_graph_add_node(n);
279 void if_node_del(node_t *n)
281 gtk_clist_freeze(GTK_CLIST(nodetree));
283 gtk_ctree_remove_node(GTK_CTREE(nodetree), n->host_ctn);
285 gtk_ctree_remove_node(GTK_CTREE(nodetree), n->conn_ctn);
287 gtk_ctree_remove_node(GTK_CTREE(nodetree), n->subnet_ctn);
288 gtk_clist_thaw(GTK_CLIST(nodetree));
291 void if_subnet_add(subnet_t *subnet)
295 l[0] = net2str(subnet);
296 gtk_clist_freeze(GTK_CLIST(nodetree));
297 gtk_ctree_insert_node(GTK_CTREE(nodetree),
298 subnets_ctn, NULL, l, 1,
299 NULL, NULL, NULL, NULL,
301 gtk_clist_thaw(GTK_CLIST(nodetree));
304 void if_subnet_del(subnet_t *subnet)
308 void redraw_edges(void)
310 GnomeCanvasGroup *group;
311 GnomeCanvasPoints *points;
316 gtk_object_destroy(GTK_OBJECT(edge_group));
318 group = gnome_canvas_root(GNOME_CANVAS(canvas));
319 group = GNOME_CANVAS_GROUP(gnome_canvas_item_new(group,
320 gnome_canvas_group_get_type(),
325 for(avlnode = edge_tree->head; avlnode; avlnode = avlnode->next)
328 e = (edge_t *)avlnode->data;
330 points = gnome_canvas_points_new(2);
332 points->coords[0] = e->from.node->x;
333 points->coords[1] = e->from.node->y;
334 points->coords[2] = e->to.node->x;
335 points->coords[3] = e->to.node->y;
336 gnome_canvas_item_new(group,
337 gnome_canvas_line_get_type(),
339 "fill_color_rgba", 0xe080c0ff,
342 gnome_canvas_points_unref(points);
343 /* snprintf(s, sizeof(s) - 1, "%d", e->weight); */
344 /* gnome_canvas_item_new(group, */
345 /* gnome_canvas_text_get_type(), */
346 /* "x", (e->from.node->x + e->to.node->x) / 2, */
347 /* "y", (e->from.node->y + e->to.node->y) / 2, */
349 /* "anchor", GTK_ANCHOR_CENTER, */
350 /* "fill_color", "black", */
351 /* "font", "-*-verdana-medium-r-*-*-8-*-*-*-*-*-iso8859-1", */
352 /* /\* "font", "fixed", *\/ */
359 void if_edge_add(edge_t *e)
362 if_graph_add_edge(e);
368 void if_edge_del(edge_t *e)
376 void if_graph_add_node(node_t *n)
378 GnomeCanvasGroup *group;
385 group = gnome_canvas_root(GNOME_CANVAS(canvas));
386 group = GNOME_CANVAS_GROUP(gnome_canvas_item_new(group,
387 gnome_canvas_group_get_type(),
392 gnome_canvas_item_new(group, gnome_canvas_ellipse_get_type(),
397 "fill_color_rgba", 0x5f9ea0ff,
398 "outline_color", "black",
402 gnome_canvas_item_new(group,
403 gnome_canvas_text_get_type(),
407 "anchor", GTK_ANCHOR_CENTER,
408 "fill_color", "white",
409 "font", "-*-verdana-medium-r-*-*-10-*-*-*-*-*-iso8859-1",
410 /* "font", "fixed", */
413 n->item = GNOME_CANVAS_ITEM(group);
414 gtk_object_set_user_data(GTK_OBJECT(group), (gpointer)n);
416 /* TODO: Use this to get more detailed info on a node (For example
417 popup a dialog with more info, select the node in the left
419 gtk_signal_connect(GTK_OBJECT(n->item), "event", (GtkSignalFunc) item_event, NULL);
421 newx = 250.0 + 200.0 * sin(number_of_nodes / 10.0 * M_PI);
422 newy = 150.0 - 100.0 * cos(number_of_nodes / 10.0 * M_PI);
423 /* newx = (double)random() / (double)RAND_MAX * 300.0 + 100.0; */
424 /* newy = (double)random() / (double)RAND_MAX * 200.0 + 50.0; */
425 gnome_canvas_item_move(GNOME_CANVAS_ITEM(n->item), newx, newy);
429 x[number_of_nodes] = newx;
430 y[number_of_nodes] = newy;
431 nodes[number_of_nodes] = n;
432 n->id = number_of_nodes;
436 gnome_canvas_update_now(GNOME_CANVAS(canvas));
439 void if_move_node(node_t *n, double dx, double dy)
445 gnome_canvas_item_move(GNOME_CANVAS_ITEM(n->item), newx - n->x, newy - n->y);
450 void if_graph_add_edge(edge_t *e)
452 /* e->from.node->ifn->nat++; */
453 /* e->to.node->ifn->nat++; */
455 /* avl_insert(e->from.node->ifn->attractors, e->to.node); */
456 /* avl_insert(e->to.node->ifn->attractors, e->from.node); */
463 #define X_MARGIN 50.0
464 #define X_MARGIN_BUFFER 25.0
465 #define Y_MARGIN 20.0
466 #define Y_MARGIN_BUFFER 10.0
468 void set_zooming(void)
471 double minx, miny, maxx, maxy;
472 static double ominx = 0.0, ominy = 0.0, omaxx = 0.0, omaxy = 0.0;
473 double ppu, ppux, ppuy;
475 minx = miny = maxx = maxy = 0.0;
476 for(i = 0; i < number_of_nodes; i++)
478 if(nodes[i]->x < minx)
481 if(nodes[i]->x > maxx)
484 if(nodes[i]->y < miny)
487 if(nodes[i]->y > maxy)
491 if(minx > ominx - X_MARGIN_BUFFER && ominx > minx)
493 if(maxx < omaxx + X_MARGIN_BUFFER && omaxx < maxx)
495 if(miny > ominy - Y_MARGIN_BUFFER && ominy > miny)
497 if(maxy < omaxy + Y_MARGIN_BUFFER && omaxy < maxy)
500 ominx = minx; ominy = miny; omaxx = maxx; omaxy = maxy;
502 /* ppux = canvas_width / (maxx - minx); */
503 /* ppuy = canvas_height / (maxy - miny); */
504 /* if(ppux < ppuy) */
509 /* gnome_canvas_set_pixels_per_unit(GNOME_CANVAS(canvas), ppu); */
510 gnome_canvas_set_scroll_region(GNOME_CANVAS(canvas), minx - X_MARGIN, miny - Y_MARGIN, maxx + X_MARGIN, maxy + Y_MARGIN);
513 double calculate_delta_m(int m)
515 double dedxm, dedym, xmxi, ymyi;
519 for(i = 0; i < number_of_nodes; i++)
527 dedxm += k[m][i] * (xmxi - ((l[m][i] * xmxi) / sqrt(xmxi * xmxi + ymyi * ymyi)));
528 dedym += k[m][i] * (xmxi - ((l[m][i] * xmxi) / sqrt(xmxi * xmxi + ymyi * ymyi)));
531 return sqrt(dedxm * dedxm + dedym * dedym);
534 void move_node(int m, double *dx, double *dy)
536 double d2edxm2, d2edym2, d2edxmdym, dedxm, dedym;
537 double xmxi, ymyi, denominator;
540 d2edxm2 = d2edym2 = d2edxmdym = dedxm = dedym = 0.0;
541 for(i = 0; i < number_of_nodes; i++)
549 denominator = pow(sqrt(xmxi * xmxi + ymyi * ymyi), 3.0);
551 d2edxm2 += k[m][i] * (1 - ((l[m][i] * ymyi * ymyi) / denominator));
552 d2edxmdym += k[m][i] * l[m][i] * xmxi * ymyi / denominator;
553 d2edym2 += k[m][i] * (1 - ((l[m][i] * xmxi * xmxi) / denominator));
554 dedxm += k[m][i] * (xmxi - ((l[m][i] * xmxi) / sqrt(xmxi * xmxi + ymyi * ymyi)));
555 dedym += k[m][i] * (ymyi - ((l[m][i] * ymyi) / sqrt(xmxi * xmxi + ymyi * ymyi)));
558 denominator = ((d2edxm2 * d2edym2) - (d2edxmdym * d2edxmdym));
559 *dx = (-(d2edym2 * dedxm) + (d2edxmdym * dedym)) / denominator;
560 *dy = ((d2edxmdym * dedxm) - (d2edxm2 * dedym)) / denominator;
563 void if_build_graph(void)
566 double delta_m, max_delta_m;
567 double dx, dy, s, L, max_d, old_x, old_y;
572 for(i = 0; i < number_of_nodes; i++)
575 for(j = i + 1; j < number_of_nodes; j++)
577 e = lookup_edge(nodes[i], nodes[j]);
579 d[i][j] = d[j][i] = (double)e->weight;
581 d[i][j] = d[j][i] = INFINITY;
584 for(i = 0; i < number_of_nodes; i++)
586 for(j = 0; j < number_of_nodes; j++)
591 if(d[j][i] < INFINITY)
593 for(p = 0; p < number_of_nodes; p++)
595 if(d[i][j] < INFINITY)
597 s = d[j][i] + d[i][p];
609 for(i = 0; i < number_of_nodes; i++)
610 for(j = i + 1; j < number_of_nodes; j++)
611 if(d[i][j] > max_d && d[i][j] < INFINITY)
614 L = 300.0 / log(max_d);
616 for(i = 0; i < number_of_nodes; i++)
618 for(j = i + 1; j < number_of_nodes; j++)
620 d[i][j] = d[j][i] = log(d[i][j]+1.0);
621 l[i][j] = l[j][i] = L * d[i][j];
622 k[i][j] = k[j][i] = K / (d[i][j] * d[i][j]);
630 /* Find node with maximal local energy */
631 for(i = 0; i < number_of_nodes; i++)
633 delta_m = calculate_delta_m(i);
634 if(delta_m > max_delta_m)
636 max_delta_m = delta_m;
641 if(max_delta_m <= epsilon)
645 int iter = 0, maxiter = 20;
646 delta_m = max_delta_m;
649 while(delta_m > epsilon && iter < maxiter)
651 move_node(max_i, &dx, &dy);
654 delta_m = calculate_delta_m(max_i);
658 if_move_node(nodes[max_i], x[max_i] - old_x, y[max_i] - old_y);
665 /* build_graph = 0; */