+++ /dev/null
-/*
- node.h -- header for node.c
- 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
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- $Id: node.h,v 1.2 2002/05/02 11:50:07 zarq Exp $
-*/
-
-#ifndef __TINC_NODE_H__
-#define __TINC_NODE_H__
-
-#ifdef USE_GCRYPT
-#include <gcrypt.h>
-#endif
-
-#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 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 */
-
- 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;
-
-#ifdef USE_OPENSSL
- const EVP_CIPHER *cipher; /* Cipher type for UDP packets */
-#endif
-#ifdef USE_GCRYPT
- GCRY_CIPHER_HD cipher; /* Cipher type for UDP packets */
-#endif
-
- char *key; /* Cipher key and iv */
- int keylength; /* Cipher key and iv length*/
-
-#ifdef USE_OPENSSL
- const EVP_MD *digest; /* Digest type for MAC */
-#endif
-#ifdef USE_GCRYPT
- GCRY_MD_HD digest; /* Digest type for MAC */
-#endif
-
- 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 */
-
- void *data; /* Interface details */
-} 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 *);
-extern void node_add(node_t *);
-extern void node_del(node_t *);
-extern node_t *lookup_node(char *);
-extern node_t *lookup_node_udp(sockaddr_t *);
-extern void dump_nodes(void);
-
-#endif /* __TINC_NODE_H__ */
projects / tinc / blobdiff