void text_connections()
{
void *list;
char *desc;
SAFE_CALLOC(desc, 100, sizeof(char));
/* retrieve the first element */
list = conntrack_print(0, NULL, NULL, 0);
fprintf(stdout, "\nConnections list:\n\n");
/* walk the connection list */
while(list) {
/* get the next element */
list = conntrack_print(+1, list, &desc, 99);
fprintf(stdout, "%s\n", desc);
}
fprintf(stdout, "\n");
SAFE_FREE(desc);
}
/* for keeping the connection list in sync with the conntrack list */
static gboolean refresh_connections(gpointer data)
{
struct row_pairs *lastconn = NULL, *cache = NULL;
GtkTreeModel *model = GTK_TREE_MODEL (ls_conns);
void *list, *next, *listend;
char *desc; /* holds line from conntrack_print */
GtkTreeIter iter; /* points to a specific row */
char flags[2], status[8];
unsigned int xferred = 0;
struct row_pairs *row = NULL, *nextrow = NULL, top, bottom;
/* null terminate strings */
flags[1] = 0;
status[7] = 0;
/* make sure the list has been created and window is visible */
if(ls_conns) {
if (!GTK_WIDGET_VISIBLE(conns_window))
return(FALSE);
} else {
/* Columns: Flags, Host, Port, "-", Host, Port,
Proto, State, Bytes, (hidden) pointer */
ls_conns = gtk_list_store_new (10,
G_TYPE_STRING, G_TYPE_STRING, G_TYPE_UINT,
G_TYPE_STRING, G_TYPE_STRING, G_TYPE_UINT,
G_TYPE_STRING, G_TYPE_STRING, G_TYPE_UINT,
G_TYPE_POINTER);
connections = NULL;
}
/* remove old connections */
for(row = connections; row; row = nextrow) {
nextrow = row->next;
if(conntrack_print(0, row->conn, NULL, 0) == NULL) {
/* remove row from the GTK list */
gtk_list_store_remove(GTK_LIST_STORE(ls_conns), &row->iter);
/* remove pointers from the linked-list and free */
if(row->next)
row->next->prev = row->prev;
if(row->prev)
row->prev->next = row->next;
else
connections = row->next;
free(row);
row = NULL;
}
if(row)
lastconn = row;
}
/* make sure we have a place to start searching for new rows */
if(!lastconn) {
listend = conntrack_print(0, NULL, NULL, 0);
if(listend == NULL)
return(TRUE);
} else {
listend = lastconn->conn;
}
/* allocate space for conntrack_print to pass connection data */
SAFE_CALLOC(desc, 100, sizeof(char));
/* add new connections */
for(list = conntrack_print(+1, listend, NULL, 0); list; list = next) {
next = conntrack_print(+1, list, &desc, 99);
cache = gtkui_connections_add(desc, list, &connections);
if(cache)
lastconn = cache;
}
/* find the first and last visible rows */
gtkui_connection_list_row(1, &top);
gtkui_connection_list_row(0, &bottom);
if(top.conn == NULL)
return(TRUE);
iter = top.iter; /* copy iter by value */
/* update visible part of list */
do {
/* get the conntrack pointer for this row */
gtk_tree_model_get (model, &iter, 9, &list, -1);
conntrack_print(0, list, &desc, 99);
/* extract changing values from conntrack_print string */
flags[0] = desc[0];
strncpy(status, desc+50, 7);
int i =sscanf(desc+62, "%u", &xferred);
BUG_IF(i!=1);
gtk_list_store_set (ls_conns, &iter, 0, flags, 7, status, 8, xferred, -1);
/* when we reach the bottom of the visible part, stop updating */
if(bottom.conn == list)
break;
} while(gtk_tree_model_iter_next(model, &iter));
SAFE_FREE(desc);
return(TRUE);
}
