Main pokey interface files.
This commit is contained in:
Ivo Timmermans
parent
b5b38381c6
commit
17b308f0f0
3 changed files with 1095 additions and 0 deletions
666
src/pokey/interface.c
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666
src/pokey/interface.c
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#include "config.h"
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#include <stdio.h>
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#include <string.h>
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#include <sys/time.h>
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#include <math.h>
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#include <gtk/gtk.h>
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#include <glade/glade.h>
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#include <libgnomeui/gnome-canvas.h>
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#include <libgnomeui/gnome-canvas-rect-ellipse.h>
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#include <libgnomeui/gnome-canvas-text.h>
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#include <libgnomeui/gnome-canvas-line.h>
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#include <libgnomeui/gnome-canvas-util.h>
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#include "node.h"
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#include "edge.h"
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#include "interface.h"
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#include <xalloc.h>
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#include "system.h"
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extern GladeXML *xml;
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#ifdef MAXBUFSIZE
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#undef MAXBUFSIZE
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#endif
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#define MAXBUFSIZE 1024
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int build_graph = 0;
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static GdkColormap *colormap = NULL;
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static GdkColor timecolor;
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#define MAX_NODES 25
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#define K 10.0
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#ifdef INFINITY
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#undef INFINITY
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#endif
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#define INFINITY 1.0e10
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node_t *nodes[MAX_NODES];
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double x[MAX_NODES];
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double y[MAX_NODES];
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double k[MAX_NODES][MAX_NODES];
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double d[MAX_NODES][MAX_NODES];
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double l[MAX_NODES][MAX_NODES];
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const double epsilon = 0.001;
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static int inited = 0;
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static int number_of_nodes = 0;
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static GtkWidget *nodetree;
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static GtkCTreeNode *subnets_ctn, *hosts_ctn, *conns_ctn;
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static GnomeCanvasGroup *edge_group = NULL;
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static int canvas_width;
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static int canvas_height;
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static GtkWidget *canvas = NULL;
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GtkWidget *create_canvas(void)
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{
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GtkWidget *w;
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gtk_widget_push_visual(gdk_rgb_get_visual());
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gtk_widget_push_colormap(gdk_rgb_get_cmap());
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canvas = gnome_canvas_new_aa();
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gtk_widget_pop_visual();
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gtk_widget_pop_colormap();
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gnome_canvas_set_scroll_region(GNOME_CANVAS(canvas), 0, 0, 500, 300);
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w = glade_xml_get_widget(xml, "scrolledwindow3");
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if(!w)
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{
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fprintf(stderr, "Could not find widget `scrolledwindow3'\n");
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return NULL;
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}
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gtk_container_add(GTK_CONTAINER(w), canvas);
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gtk_widget_show_all(w);
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canvas_width = 300.0;
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canvas_height = 500.0;
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return canvas;
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}
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int init_interface(void)
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{
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char *l[1];
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GtkArg p;
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if(!xml)
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return -1;
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nodetree = glade_xml_get_widget(xml, "NodeTree");
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if(!nodetree)
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{
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fprintf(stderr, _("Could not find widget `NodeTree'\n"));
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return -1;
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}
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gtk_clist_freeze(GTK_CLIST(nodetree));
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l[0] = _("Hosts");
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hosts_ctn = gtk_ctree_insert_node(GTK_CTREE(nodetree),
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NULL, NULL, l, 1,
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NULL, NULL, NULL, NULL,
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FALSE, TRUE);
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l[0] = _("Subnets");
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subnets_ctn = gtk_ctree_insert_node(GTK_CTREE(nodetree),
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NULL, NULL, l, 1,
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NULL, NULL, NULL, NULL,
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FALSE, TRUE);
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l[0] = _("Connections");
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conns_ctn = gtk_ctree_insert_node(GTK_CTREE(nodetree),
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NULL, NULL, l, 1,
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NULL, NULL, NULL, NULL,
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FALSE, TRUE);
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gtk_clist_thaw(GTK_CLIST(nodetree));
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create_canvas();
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return 0;
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}
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void log_message(int severity, const char *fmt, ...)
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{
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va_list args;
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char buffer1[MAXBUFSIZE];
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char buffer2[MAXBUFSIZE];
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GtkWidget *w;
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int len;
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char *p;
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struct tm *tm;
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time_t t;
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static int inited = 0;
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if(!xml)
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return;
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w = glade_xml_get_widget(xml, "Messages");
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if(!w)
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return;
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/* Use vsnprintf instead of vasprintf: faster, no memory
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fragmentation, cleanup is automatic, and there is a limit on the
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input buffer anyway */
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va_start(args, fmt);
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len = vsnprintf(buffer1, MAXBUFSIZE, fmt, args);
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va_end(args);
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buffer1[MAXBUFSIZE-1] = '\0';
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if((p = strrchr(buffer1, '\n')))
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*p = '\0';
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t = time(NULL);
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tm = localtime(&t);
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snprintf(buffer2, MAXBUFSIZE, "%02d:%02d:%02d ",
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tm->tm_hour, tm->tm_min, tm->tm_sec);
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if(!colormap)
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{
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colormap = gdk_colormap_new(gdk_visual_get_system(), FALSE);
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timecolor.red = 0xffff;
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timecolor.green = 0;
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timecolor.blue = 0;
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if(gdk_colormap_alloc_color(colormap, &timecolor, FALSE, TRUE) != TRUE)
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{
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fprintf(stderr, "Failed to allocate color\n");
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exit(1);
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}
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}
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gtk_text_freeze(GTK_TEXT(w));
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if(inited)
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gtk_text_insert(GTK_TEXT(w), NULL, NULL, NULL, "\n", 1);
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gtk_text_insert(GTK_TEXT(w), NULL, &timecolor, NULL, buffer2, strlen(buffer2));
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gtk_text_insert(GTK_TEXT(w), NULL, NULL, NULL, buffer1, len);
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gtk_text_thaw(GTK_TEXT(w));
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inited = 1;
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}
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static gint item_event(GnomeCanvasItem *item, GdkEvent *event, gpointer data)
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{
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static double item_x, old_x, new_x, item_y, old_y, new_y;
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static int dragging = FALSE;
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GdkCursor *fleur;
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node_t *n;
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item_x = event->button.x;
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item_y = event->button.y;
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gnome_canvas_item_w2i(item->parent, &item_x, &item_y);
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switch(event->type)
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{
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case GDK_BUTTON_PRESS:
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switch(event->button.button)
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{
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case 1:
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old_x = item_x;
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old_y = item_y;
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fleur = gdk_cursor_new(GDK_FLEUR);
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gnome_canvas_item_grab(item, GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK, fleur, event->button.time);
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gdk_cursor_destroy(fleur);
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dragging = TRUE;
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break;
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default:
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break;
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}
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break;
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case GDK_MOTION_NOTIFY:
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if(dragging && (event->motion.state & GDK_BUTTON1_MASK))
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{
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new_x = item_x,
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new_y = item_y;
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gnome_canvas_item_move(item, new_x - old_x, new_y - old_y);
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old_x = new_x;
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old_y = new_y;
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}
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break;
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case GDK_BUTTON_RELEASE:
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gnome_canvas_item_ungrab(item, event->button.time);
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dragging = FALSE;
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n = (node_t *)gtk_object_get_user_data(GTK_OBJECT(item));
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n->x = item_x;
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n->y = item_y;
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x[n->id] = item_x;
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y[n->id] = item_y;
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build_graph = 1;
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break;
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default:
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break;
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}
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return FALSE;
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}
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GtkCTreeNode *if_node_add(node_t *n)
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{
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char *l[1];
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GtkCTreeNode *ctn;
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if(!xml)
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return NULL;
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l[0] = n->name;
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gtk_clist_freeze(GTK_CLIST(nodetree));
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n->host_ctn = gtk_ctree_insert_node(GTK_CTREE(nodetree),
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hosts_ctn, NULL, l, 1,
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NULL, NULL, NULL, NULL,
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FALSE, FALSE);
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gtk_clist_thaw(GTK_CLIST(nodetree));
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if_graph_add_node(n);
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inited = 0;
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build_graph = 1;
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return ctn;
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}
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void if_node_del(node_t *n)
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{
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gtk_clist_freeze(GTK_CLIST(nodetree));
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if(n->host_ctn)
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gtk_ctree_remove_node(GTK_CTREE(nodetree), n->host_ctn);
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if(n->conn_ctn)
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gtk_ctree_remove_node(GTK_CTREE(nodetree), n->conn_ctn);
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if(n->subnet_ctn)
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gtk_ctree_remove_node(GTK_CTREE(nodetree), n->subnet_ctn);
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gtk_clist_thaw(GTK_CLIST(nodetree));
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}
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void if_subnet_add(subnet_t *subnet)
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{
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char *l[1];
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l[0] = net2str(subnet);
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gtk_clist_freeze(GTK_CLIST(nodetree));
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gtk_ctree_insert_node(GTK_CTREE(nodetree),
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subnets_ctn, NULL, l, 1,
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NULL, NULL, NULL, NULL,
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TRUE, FALSE);
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gtk_clist_thaw(GTK_CLIST(nodetree));
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}
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void if_subnet_del(subnet_t *subnet)
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{
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}
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void redraw_edges(void)
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{
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GnomeCanvasGroup *group;
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GnomeCanvasPoints *points;
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avl_node_t *avlnode;
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edge_t *e;
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if(edge_group)
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gtk_object_destroy(GTK_OBJECT(edge_group));
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group = gnome_canvas_root(GNOME_CANVAS(canvas));
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group = GNOME_CANVAS_GROUP(gnome_canvas_item_new(group,
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gnome_canvas_group_get_type(),
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"x", 0.0,
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"y", 0.0,
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NULL));
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for(avlnode = edge_tree->head; avlnode; avlnode = avlnode->next)
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{
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/* char s[12]; */
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e = (edge_t *)avlnode->data;
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points = gnome_canvas_points_new(2);
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points->coords[0] = e->from.node->x;
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points->coords[1] = e->from.node->y;
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points->coords[2] = e->to.node->x;
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points->coords[3] = e->to.node->y;
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gnome_canvas_item_new(group,
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gnome_canvas_line_get_type(),
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"points", points,
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"fill_color_rgba", 0xe080c0ff,
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"width_pixels", 2,
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NULL);
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gnome_canvas_points_unref(points);
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/* snprintf(s, sizeof(s) - 1, "%d", e->weight); */
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/* gnome_canvas_item_new(group, */
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/* gnome_canvas_text_get_type(), */
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/* "x", (e->from.node->x + e->to.node->x) / 2, */
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/* "y", (e->from.node->y + e->to.node->y) / 2, */
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/* "text", s, */
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/* "anchor", GTK_ANCHOR_CENTER, */
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/* "fill_color", "black", */
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/* "font", "-*-verdana-medium-r-*-*-8-*-*-*-*-*-iso8859-1", */
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/* /\* "font", "fixed", *\/ */
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/* NULL); */
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}
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edge_group = group;
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}
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void if_edge_add(edge_t *e)
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{
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redraw_edges();
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if_graph_add_edge(e);
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inited = 0;
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build_graph = 1;
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}
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void if_edge_del(edge_t *e)
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{
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redraw_edges();
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inited = 0;
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build_graph = 1;
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}
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void if_graph_add_node(node_t *n)
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{
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GnomeCanvasGroup *group;
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double newx, newy;
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if(!canvas)
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if(!create_canvas())
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return;
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group = gnome_canvas_root(GNOME_CANVAS(canvas));
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group = GNOME_CANVAS_GROUP(gnome_canvas_item_new(group,
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gnome_canvas_group_get_type(),
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"x", 0.0,
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"y", 0.0,
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NULL));
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gnome_canvas_item_new(group, gnome_canvas_ellipse_get_type(),
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"x1", -30.0,
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"y1", -08.0,
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"x2", 30.0,
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"y2", 08.0,
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"fill_color_rgba", 0x5f9ea0ff,
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"outline_color", "black",
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"width_pixels", 0,
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NULL);
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gnome_canvas_item_new(group,
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gnome_canvas_text_get_type(),
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"x", 0.0,
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"y", 0.0,
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"text", n->name,
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"anchor", GTK_ANCHOR_CENTER,
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"fill_color", "white",
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"font", "-*-verdana-medium-r-*-*-10-*-*-*-*-*-iso8859-1",
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/* "font", "fixed", */
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NULL);
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n->item = GNOME_CANVAS_ITEM(group);
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gtk_object_set_user_data(GTK_OBJECT(group), (gpointer)n);
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/* TODO: Use this to get more detailed info on a node (For example
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popup a dialog with more info, select the node in the left
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pane, whatever.) */
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gtk_signal_connect(GTK_OBJECT(n->item), "event", (GtkSignalFunc) item_event, NULL);
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newx = 250.0 + 200.0 * sin(number_of_nodes / 10.0 * M_PI);
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newy = 150.0 - 100.0 * cos(number_of_nodes / 10.0 * M_PI);
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/* newx = (double)random() / (double)RAND_MAX * 300.0 + 100.0; */
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/* newy = (double)random() / (double)RAND_MAX * 200.0 + 50.0; */
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gnome_canvas_item_move(GNOME_CANVAS_ITEM(n->item), newx, newy);
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n->x = newx;
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n->y = newy;
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x[number_of_nodes] = newx;
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y[number_of_nodes] = newy;
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nodes[number_of_nodes] = n;
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n->id = number_of_nodes;
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number_of_nodes++;
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gnome_canvas_update_now(GNOME_CANVAS(canvas));
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}
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void if_move_node(node_t *n, double dx, double dy)
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{
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double newx, newy;
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newx = n->x + dx;
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newy = n->y + dy;
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gnome_canvas_item_move(GNOME_CANVAS_ITEM(n->item), newx - n->x, newy - n->y);
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n->x = newx;
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n->y = newy;
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}
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void if_graph_add_edge(edge_t *e)
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{
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/* e->from.node->ifn->nat++; */
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/* e->to.node->ifn->nat++; */
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/* avl_insert(e->from.node->ifn->attractors, e->to.node); */
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/* avl_insert(e->to.node->ifn->attractors, e->from.node); */
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redraw_edges();
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build_graph = 1;
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}
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#define X_MARGIN 50.0
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#define X_MARGIN_BUFFER 25.0
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#define Y_MARGIN 20.0
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#define Y_MARGIN_BUFFER 10.0
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void set_zooming(void)
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{
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int i;
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double minx, miny, maxx, maxy;
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static double ominx = 0.0, ominy = 0.0, omaxx = 0.0, omaxy = 0.0;
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double ppu, ppux, ppuy;
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minx = miny = maxx = maxy = 0.0;
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for(i = 0; i < number_of_nodes; i++)
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{
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if(nodes[i]->x < minx)
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minx = nodes[i]->x;
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else
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if(nodes[i]->x > maxx)
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maxx = nodes[i]->x;
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if(nodes[i]->y < miny)
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miny = nodes[i]->y;
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else
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if(nodes[i]->y > maxy)
|
||||
maxy = nodes[i]->y;
|
||||
}
|
||||
|
||||
if(minx > ominx - X_MARGIN_BUFFER && ominx > minx)
|
||||
minx = ominx;
|
||||
if(maxx < omaxx + X_MARGIN_BUFFER && omaxx < maxx)
|
||||
maxx = omaxx;
|
||||
if(miny > ominy - Y_MARGIN_BUFFER && ominy > miny)
|
||||
miny = ominy;
|
||||
if(maxy < omaxy + Y_MARGIN_BUFFER && omaxy < maxy)
|
||||
maxy = omaxy;
|
||||
|
||||
ominx = minx; ominy = miny; omaxx = maxx; omaxy = maxy;
|
||||
|
||||
/* ppux = canvas_width / (maxx - minx); */
|
||||
/* ppuy = canvas_height / (maxy - miny); */
|
||||
/* if(ppux < ppuy) */
|
||||
/* ppu = ppux; */
|
||||
/* else */
|
||||
/* ppu = ppuy; */
|
||||
|
||||
/* gnome_canvas_set_pixels_per_unit(GNOME_CANVAS(canvas), ppu); */
|
||||
gnome_canvas_set_scroll_region(GNOME_CANVAS(canvas), minx - X_MARGIN, miny - Y_MARGIN, maxx + X_MARGIN, maxy + Y_MARGIN);
|
||||
}
|
||||
|
||||
double calculate_delta_m(int m)
|
||||
{
|
||||
double dedxm, dedym, xmxi, ymyi;
|
||||
int i;
|
||||
|
||||
dedxm = dedym = 0.0;
|
||||
for(i = 0; i < number_of_nodes; i++)
|
||||
{
|
||||
if(i == m)
|
||||
continue;
|
||||
|
||||
xmxi = x[m] - x[i];
|
||||
ymyi = y[m] - y[i];
|
||||
|
||||
dedxm += k[m][i] * (xmxi - ((l[m][i] * xmxi) / sqrt(xmxi * xmxi + ymyi * ymyi)));
|
||||
dedym += k[m][i] * (xmxi - ((l[m][i] * xmxi) / sqrt(xmxi * xmxi + ymyi * ymyi)));
|
||||
}
|
||||
|
||||
return sqrt(dedxm * dedxm + dedym * dedym);
|
||||
}
|
||||
|
||||
void move_node(int m, double *dx, double *dy)
|
||||
{
|
||||
double d2edxm2, d2edym2, d2edxmdym, dedxm, dedym;
|
||||
double xmxi, ymyi, denominator;
|
||||
int i;
|
||||
|
||||
d2edxm2 = d2edym2 = d2edxmdym = dedxm = dedym = 0.0;
|
||||
for(i = 0; i < number_of_nodes; i++)
|
||||
{
|
||||
if(i == m)
|
||||
continue;
|
||||
|
||||
xmxi = x[m] - x[i];
|
||||
ymyi = y[m] - y[i];
|
||||
|
||||
denominator = pow(sqrt(xmxi * xmxi + ymyi * ymyi), 3.0);
|
||||
|
||||
d2edxm2 += k[m][i] * (1 - ((l[m][i] * ymyi * ymyi) / denominator));
|
||||
d2edxmdym += k[m][i] * l[m][i] * xmxi * ymyi / denominator;
|
||||
d2edym2 += k[m][i] * (1 - ((l[m][i] * xmxi * xmxi) / denominator));
|
||||
dedxm += k[m][i] * (xmxi - ((l[m][i] * xmxi) / sqrt(xmxi * xmxi + ymyi * ymyi)));
|
||||
dedym += k[m][i] * (ymyi - ((l[m][i] * ymyi) / sqrt(xmxi * xmxi + ymyi * ymyi)));
|
||||
}
|
||||
|
||||
denominator = ((d2edxm2 * d2edym2) - (d2edxmdym * d2edxmdym));
|
||||
*dx = (-(d2edym2 * dedxm) + (d2edxmdym * dedym)) / denominator;
|
||||
*dy = ((d2edxmdym * dedxm) - (d2edxm2 * dedym)) / denominator;
|
||||
}
|
||||
|
||||
void if_build_graph(void)
|
||||
{
|
||||
int i, j, p, max_i;
|
||||
double delta_m, max_delta_m;
|
||||
double dx, dy, s, L, max_d, old_x, old_y;
|
||||
edge_t *e;
|
||||
|
||||
if(!inited)
|
||||
{
|
||||
for(i = 0; i < number_of_nodes; i++)
|
||||
{
|
||||
d[i][i] = 0.0;
|
||||
for(j = i + 1; j < number_of_nodes; j++)
|
||||
{
|
||||
e = lookup_edge(nodes[i], nodes[j]);
|
||||
if(e)
|
||||
d[i][j] = d[j][i] = (double)e->weight;
|
||||
else
|
||||
d[i][j] = d[j][i] = INFINITY;
|
||||
}
|
||||
}
|
||||
for(i = 0; i < number_of_nodes; i++)
|
||||
{
|
||||
for(j = 0; j < number_of_nodes; j++)
|
||||
{
|
||||
if(i == j)
|
||||
continue;
|
||||
|
||||
if(d[j][i] < INFINITY)
|
||||
{
|
||||
for(p = 0; p < number_of_nodes; p++)
|
||||
{
|
||||
if(d[i][j] < INFINITY)
|
||||
{
|
||||
s = d[j][i] + d[i][p];
|
||||
if(s < d[j][p])
|
||||
{
|
||||
d[j][p] = s;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
max_d = 0.0;
|
||||
for(i = 0; i < number_of_nodes; i++)
|
||||
for(j = i + 1; j < number_of_nodes; j++)
|
||||
if(d[i][j] > max_d && d[i][j] < INFINITY)
|
||||
max_d = d[i][j];
|
||||
|
||||
L = 300.0 / log(max_d);
|
||||
|
||||
for(i = 0; i < number_of_nodes; i++)
|
||||
{
|
||||
for(j = i + 1; j < number_of_nodes; j++)
|
||||
{
|
||||
d[i][j] = d[j][i] = log(d[i][j]+1.0);
|
||||
l[i][j] = l[j][i] = L * d[i][j];
|
||||
k[i][j] = k[j][i] = K / (d[i][j] * d[i][j]);
|
||||
}
|
||||
}
|
||||
|
||||
inited = 1;
|
||||
}
|
||||
|
||||
max_delta_m = 0.0;
|
||||
/* Find node with maximal local energy */
|
||||
for(i = 0; i < number_of_nodes; i++)
|
||||
{
|
||||
delta_m = calculate_delta_m(i);
|
||||
if(delta_m > max_delta_m)
|
||||
{
|
||||
max_delta_m = delta_m;
|
||||
max_i = i;
|
||||
}
|
||||
}
|
||||
|
||||
if(max_delta_m <= epsilon)
|
||||
build_graph = 0;
|
||||
else
|
||||
{
|
||||
int iter = 0, maxiter = 20;
|
||||
delta_m = max_delta_m;
|
||||
old_x = x[max_i];
|
||||
old_y = y[max_i];
|
||||
while(delta_m > epsilon && iter < maxiter)
|
||||
{
|
||||
move_node(max_i, &dx, &dy);
|
||||
x[max_i] += dx;
|
||||
y[max_i] += dy;
|
||||
delta_m = calculate_delta_m(max_i);
|
||||
iter++;
|
||||
}
|
||||
|
||||
if_move_node(nodes[max_i], x[max_i] - old_x, y[max_i] - old_y);
|
||||
|
||||
redraw_edges();
|
||||
|
||||
set_zooming();
|
||||
}
|
||||
|
||||
/* build_graph = 0; */
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue