--- gvpe/src/vpn.C	2003/04/08 03:25:35	1.10
+++ gvpe/src/vpn.C	2003/04/13 00:42:04	1.12
@@ -31,6 +31,7 @@
 #include <errno.h>
 #include <time.h>
 #include <unistd.h>
+#include <fcntl.h>
 #include <arpa/inet.h>
 #include <netinet/in.h>
 #include <netinet/ip_icmp.h>
@@ -83,6 +84,8 @@
       if (ipv4_fd < 0)
         return -1;
 
+      fcntl (ipv4_fd, F_SETFL, O_NONBLOCK);
+
 #ifdef IP_MTU_DISCOVER
       // this I really consider a linux bug. I am neither connected
       // nor do I fragment myself. Linux still sets DF and doesn't
@@ -113,6 +116,8 @@
       if (udpv4_fd < 0)
         return -1;
 
+      fcntl (udpv4_fd, F_SETFL, O_NONBLOCK);
+
       // standard daemon practise...
       {
         int oval = 1;
@@ -150,6 +155,8 @@
       if (icmpv4_fd < 0)
         return -1;
 
+      fcntl (icmpv4_fd, F_SETFL, O_NONBLOCK);
+
 #ifdef ICMP_FILTER
       {
         icmp_filter oval;
@@ -193,6 +200,8 @@
       if (tcpv4_fd < 0)
         return -1;
 
+      fcntl (tcpv4_fd, F_SETFL, O_NONBLOCK);
+
       // standard daemon practise...
       {
         int oval = 1;
@@ -625,17 +634,19 @@
 
 connection *vpn::find_router ()
 {
-  u32 prio = 0;
+  u32 prio = 1;
   connection *router = 0;
 
   for (conns_vector::iterator i = conns.begin (); i != conns.end (); ++i)
     {
       connection *c = *i;
 
-      if (c->conf->routerprio > prio
-          && c->connectmode == conf_node::C_ALWAYS
-          && c->conf != THISNODE
-          && c->ictx && c->octx)
+      if (c->conf->routerprio >= prio
+          && c->connectmode == conf_node::C_ALWAYS // so we don't drop the connection if in use
+          && c->ictx && c->octx
+          && c->conf != THISNODE                   // redundant, since ictx==octx==0 always on thisnode
+          && (!THISNODE->routerprio
+              || c->conf->routerprio <= THISNODE->routerprio))
         {
           prio = c->conf->routerprio;
           router = c;