/* returns a NEW gchar * with the node names of the link_id */
gchar *
link_id_node_names(const link_id_t *link_id)
{
const node_t *src_node, *dst_node;
src_node = nodes_catalog_find(&link_id->src);
dst_node = nodes_catalog_find(&link_id->dst);
if (!src_node || !dst_node ||
!src_node->name->str || !dst_node->name->str)
return g_strdup(""); /* invalid info */
return g_strdup_printf("%s-%s",
src_node->name->str,
dst_node->name->str);
}
/* Called for every event a node receives. Right now it's used to
* set a message in the statusbar and launch the popup timeout */
static gint
node_item_event (GnomeCanvasItem * item, GdkEvent * event,
canvas_node_t * canvas_node)
{
gdouble item_x, item_y;
const node_t *node = NULL;
/* This is not used yet, but it will be. */
item_x = event->button.x;
item_y = event->button.y;
gnome_canvas_item_w2i (item->parent, &item_x, &item_y);
switch (event->type)
{
case GDK_2BUTTON_PRESS:
if (canvas_node)
node = nodes_catalog_find(&canvas_node->canvas_node_id);
if (node)
{
node_protocols_window_create( &canvas_node->canvas_node_id );
g_my_info ("Nodes: %d (shown %u)", nodes_catalog_size(),
displayed_nodes);
if (DEBUG_ENABLED)
{
gchar *msg = node_dump(node);
g_my_debug("%s", msg);
g_free(msg);
}
}
break;
default:
break;
}
return FALSE;
} /* node_item_event */
/* Returns a node from the list of new nodes or NULL if there are no more
* new nodes */
node_t *
new_nodes_pop(void)
{
node_t *node = NULL;
GList *old_item = NULL;
if (!new_nodes)
return NULL;
node = new_nodes->data;
old_item = new_nodes;
/* We make sure now that the node hasn't been deleted since */
/* TODO Sometimes when I get here I have a node, but a null
* node->node_id. What gives? */
while (node && !nodes_catalog_find(&node->node_id))
{
g_my_debug
("Already deleted node in list of new nodes, in new_nodes_pop");
/* Remove this node from the list of new nodes */
new_nodes = g_list_remove_link (new_nodes, new_nodes);
g_list_free_1 (old_item);
if (new_nodes)
node = new_nodes->data;
else
node = NULL;
old_item = new_nodes;
}
if (!new_nodes)
return NULL;
/* Remove this node from the list of new nodes */
new_nodes = g_list_remove_link (new_nodes, new_nodes);
g_list_free_1 (old_item);
return node;
}
/* - updates sizes, names, etc */
static gint
canvas_node_update(node_id_t * node_id, canvas_node_t * canvas_node,
GList **delete_list)
{
node_t *node;
gdouble node_size;
static clock_t start = 0;
clock_t end;
gdouble cpu_time_used;
char *nametmp = NULL;
node = nodes_catalog_find(node_id);
/* Remove node if node is too old or if capture is stopped */
if (!node || !display_node (node))
{
/* adds current to list of canvas nodes to delete */
*delete_list = g_list_prepend( *delete_list, node_id);
g_my_debug ("Queing canvas node to remove.");
need_reposition = TRUE;
return FALSE;
}
switch (pref.node_size_variable)
{
case INST_TOTAL:
node_size = get_node_size (node->node_stats.stats.average);
break;
case INST_INBOUND:
node_size = get_node_size (node->node_stats.stats_in.average);
break;
case INST_OUTBOUND:
node_size = get_node_size (node->node_stats.stats_out.average);
break;
case INST_PACKETS:
node_size = get_node_size (node->node_stats.pkt_list.length);
break;
case ACCU_TOTAL:
node_size = get_node_size (node->node_stats.stats.accumulated);
break;
case ACCU_INBOUND:
node_size = get_node_size (node->node_stats.stats_in.accumulated);
break;
case ACCU_OUTBOUND:
node_size = get_node_size (node->node_stats.stats_out.accumulated);
break;
case ACCU_PACKETS:
node_size = get_node_size (node->node_stats.stats.accu_packets);
break;
case ACCU_AVG_SIZE:
node_size = get_node_size (node->node_stats.stats.avg_size);
break;
default:
node_size = get_node_size (node->node_stats.stats_out.average);
g_warning (_("Unknown value or node_size_variable"));
}
/* limit the maximum size to avoid overload */
if (node_size > MAX_NODE_SIZE)
node_size = MAX_NODE_SIZE;
if (node->main_prot[pref.stack_level])
{
canvas_node->color = protohash_color(node->main_prot[pref.stack_level]);
gnome_canvas_item_set (canvas_node->node_item,
"x1", -node_size / 2,
"x2", node_size / 2,
"y1", -node_size / 2,
"y2", node_size / 2,
"fill_color_gdk", &(canvas_node->color), NULL);
}
else
{
guint32 black = 0x000000ff;
gnome_canvas_item_set (canvas_node->node_item,
"x1", -node_size / 2,
"x2", node_size / 2,
"y1", -node_size / 2,
"y2", node_size / 2,
"fill_color_rgba", black, NULL);
}
/* We check the name of the node, and update the canvas node name
* if it has changed (useful for non blocking dns resolving) */
/*TODO why is it exactly that sometimes it is NULL? */
if (canvas_node->text_item)
{
g_object_get (G_OBJECT (canvas_node->text_item),
"text", &nametmp,
NULL);
if (strcmp (nametmp, node->name->str))
{
gnome_canvas_item_set (canvas_node->text_item,
"text", node->name->str,
NULL);
gnome_canvas_item_request_update (canvas_node->text_item);
}
g_free (nametmp);
}
/* Processor time check. If too much time has passed, update the GUI */
end = clock ();
cpu_time_used = ((gdouble) (end - start)) / CLOCKS_PER_SEC;
if (cpu_time_used > 0.05)
{
/* Force redraw */
while (gtk_events_pending ())
gtk_main_iteration ();
start = end;
}
return FALSE; /* False means keep on calling the function */
} /* update_canvas_nodes */
