[or-cvs] On sighup, if usehelpernodes changed to 1, use new circuits.

[Nick Mathewson]

Update of /home/or/cvsroot/tor/src/or
In directory moria:/tmp/cvs-serv18007/src/or

Modified Files:
	config.c 
Log Message:
On sighup, if usehelpernodes changed to 1, use new circuits.

Index: config.c
===================================================================
RCS file: /home/or/cvsroot/tor/src/or/config.c,v
retrieving revision 1.428
retrieving revision 1.429
diff -u -d -r1.428 -r1.429
--- config.c	4 Oct 2005 21:21:09 -0000	1.428
+++ config.c	5 Oct 2005 23:02:40 -0000	1.429
@@ -623,6 +623,12 @@
 
   /* Check for transitions that need action. */
   if (old_options) {
+    if (options->UseHelperNodes && !old_options->UseHelperNodes) {
+      log_fn(LOG_INFO, "Switching to helper nodes; abandoning previous circuits");
+      circuit_mark_all_unused_circs();
+      circuit_expire_all_dirty_circs();
+    }
+
     if (options_transition_affects_workers(old_options, options)) {
       log_fn(LOG_INFO,"Worker-related options changed. Rotating workers.");
       cpuworkers_rotate();