Prevent looping DEL_NODE/ADD_NODE messages after a node disconnects.

[tinc] / src / node.h

diff --git a/src/node.h b/src/node.h
index 6493852..f2bea91 100644 (file)
--- a/src/node.h
+++ b/src/node.h
@@ -1,7 +1,7 @@
 /*
     node.h -- header for node.c
-    Copyright (C) 2001-2002 Guus Sliepen <guus@sliepen.warande.net>,
-                  2001-2002 Ivo Timmermans <itimmermans@bigfoot.com>
+    Copyright (C) 2001-2002 Guus Sliepen <guus@sliepen.eu.org>,
+                  2001-2002 Ivo Timmermans <ivo@o2w.nl>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -17,12 +17,16 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: node.h,v 1.1.2.12 2002/02/18 16:25:16 guus Exp $
+    $Id: node.h,v 1.1.2.18 2002/09/04 08:33:08 guus Exp $
 */
 
 #ifndef __TINC_NODE_H__
 #define __TINC_NODE_H__
 
+#ifdef HAVE_INTTYPES_H
+ #include <inttypes.h>
+#endif
+
 #include <avl_tree.h>
 
 #include "subnet.h"
@@ -34,7 +38,8 @@ typedef struct node_status_t {
   int waitingforkey:1;             /* 1 if we already sent out a request */
   int visited:1;                   /* 1 if this node has been visited by one of the graph algorithms */
   int reachable:1;                 /* 1 if this node is reachable in the graph */
-  int unused:27;
+  int indirect:1;                  /* 1 if this node is not directly reachable by us */
+  int unused:26;
 } node_status_t;
 
 typedef struct node_t {
@@ -46,6 +51,8 @@ typedef struct node_t {
 
   struct node_status_t status;
 
+  int distance;                    /* Distance from us to that node */
+  
   const EVP_CIPHER *cipher;        /* Cipher type for UDP packets */ 
   char *key;                       /* Cipher key and iv */
   int keylength;                   /* Cipher key and iv length*/
@@ -58,16 +65,15 @@ typedef struct node_t {
   list_t *queue;                   /* Queue for packets awaiting to be encrypted */
 
   struct node_t *nexthop;          /* nearest node from us to him */
+  struct node_t *prevhop;          /* nearest node from him to us */
   struct node_t *via;              /* next hop for UDP packets */
   
   avl_tree_t *subnet_tree;         /* Pointer to a tree of subnets belonging to this node */
 
-  avl_tree_t *edge_tree;           /* Edges with this node as one of the endpoints */
-
   struct connection_t *connection; /* Connection associated with this node (if a direct connection exists) */
 
-  unsigned int sent_seqno;         /* Sequence number last sent to this node */
-  unsigned int received_seqno;     /* Sequence number last received from this node */
+  uint32_t sent_seqno;         /* Sequence number last sent to this node */
+  uint32_t received_seqno;     /* Sequence number last received from this node */
 } node_t;
 
 extern struct node_t *myself;