X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnode.h;h=6d281e62f2aee6b56373d28aa80cbc83ea4113b5;hp=f96c56e383ac24bd555aa1af9c08eeab6c2e5561;hb=94b171b3051b999e619ae19e1c9c29d356606788;hpb=f22b9417510cca258785f8958c8dfed90e26d81b

diff --git a/src/node.h b/src/node.h
index f96c56e3..6d281e62 100644
--- a/src/node.h
+++ b/src/node.h
@@ -1,7 +1,7 @@
 /*
     node.h -- header for node.c
-    Copyright (C) 2001 Guus Sliepen <guus@sliepen.warande.net>,
-                  2001 Ivo Timmermans <itimmermans@bigfoot.com>
+    Copyright (C) 2001-2002 Guus Sliepen <guus@sliepen.warande.net>,
+                  2001-2002 Ivo Timmermans <itimmermans@bigfoot.com>
 
     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
@@ -17,31 +17,70 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: node.h,v 1.1.2.2 2001/10/09 19:37:10 guus Exp $
+    $Id: node.h,v 1.1.2.10 2002/02/10 21:57:54 guus Exp $
 */
 
+#ifndef __TINC_NODE_H__
+#define __TINC_NODE_H__
+
+#include <avl_tree.h>
+
+#include "subnet.h"
+#include "connection.h"
+
+typedef struct node_status_t {
+  int active:1;                    /* 1 if active.. */
+  int validkey:1;                  /* 1 if we currently have a valid key for him */
+  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;
+} node_status_t;
+
 typedef struct node_t {
-  char *name;                      /* name of this connection */
-  int protocol_version;            /* used protocol */
-  long int options;                /* options turned on for this connection */
+  char *name;                      /* name of this node */
+  long int options;                /* options turned on for this node */
 
   ipv4_t address;                  /* his real (internet) ip to send UDP packets to */
-  short unsigned int port;         /* port number of UDP connection */
+  port_t port;                     /* port number of UDP connection */
   char *hostname;                  /* the hostname of its real ip */
 
-  status_bits_t status;            /* status info */
+  struct node_status_t status;
 
-  EVP_CIPHER *cipher;              /* Cipher type for UDP packets */ 
+  const EVP_CIPHER *cipher;        /* Cipher type for UDP packets */ 
   char *key;                       /* Cipher key and iv */
   int keylength;                   /* Cipher key and iv length*/
 
+  const EVP_MD *digest;            /* Digest type for MAC */
+  int maclength;                   /* Length of MAC */
+
   list_t *queue;                   /* Queue for packets awaiting to be encrypted */
 
-  struct node_t *nexthop;          /* nearest meta-hop from us to him */
-  struct node_t *prevhop;          /* nearest meta-hop from him to us */
+  struct node_t *nexthop;          /* nearest node from us to him */
   struct node_t *via;              /* next hop for UDP packets */
   
   avl_tree_t *subnet_tree;         /* Pointer to a tree of subnets belonging to this node */
 
-  struct config_t *config;         /* Pointer to configuration tree 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 */
 } node_t;
+
+extern struct node_t *myself;
+extern avl_tree_t *node_tree;
+extern avl_tree_t *node_udp_tree;
+
+extern void init_nodes(void);
+extern void exit_nodes(void);
+extern node_t *new_node(void);
+extern void free_node(node_t *n);
+extern void node_add(node_t *n);
+extern void node_del(node_t *n);
+extern node_t *lookup_node(char *);
+extern node_t *lookup_node_udp(ipv4_t, port_t);
+extern void dump_nodes(void);
+
+#endif /* __TINC_NODE_H__ */