/*
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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: node.h,v 1.1.2.5 2001/10/27 12:13:17 guus Exp $
+ $Id: node.h,v 1.1.2.13 2002/03/19 22:48:25 guus Exp $
*/
#ifndef __TINC_NODE_H__
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 unused:29;
+ 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 indirect:1; /* 1 if this node is not directly reachable by us */
+ int unused:26;
} node_status_t;
typedef struct node_t {
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 */
+ sockaddr_t address; /* his real (internet) ip to send UDP packets to */
char *hostname; /* the hostname of its real ip */
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*/
- list_t *queue; /* Queue for packets awaiting to be encrypted */
+ const EVP_MD *digest; /* Digest type for MAC */
+ int maclength; /* Length of MAC */
+
+ int compression; /* Compressionlevel, 0 = no compression */
+
+ list_t *queue; /* Queue for packets awaiting to be encrypted */
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 */
+ 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 void free_node(node_t *);
+extern void node_add(node_t *);
+extern void node_del(node_t *);
extern node_t *lookup_node(char *);
-extern node_t *lookup_node_udp(ipv4_t, port_t);
+extern node_t *lookup_node_udp(sockaddr_t *);
extern void dump_nodes(void);
-
#endif /* __TINC_NODE_H__ */