X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnode.h;h=4f1406cadc5318bf1f42ae30468fec5f86a410a1;hp=815b793f543f92870b87d5b22c955d71268f4b36;hb=714fb32d0377ed9f5643ed8f0bd914843d12266b;hpb=49a2cd806c73cff1ab6a712a996c7f7d4e1f32c0

diff --git a/src/node.h b/src/node.h
index 815b793f..4f1406ca 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) 2001-2003 Guus Sliepen <guus@sliepen.eu.org>,
+                  2001-2003 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
@@ -17,31 +17,74 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: node.h,v 1.1.2.1 2001/10/09 19:30:30 guus Exp $
+    $Id: node.h,v 1.1.2.28 2003/07/29 10:50:15 guus Exp $
 */
 
+#ifndef __TINC_NODE_H__
+#define __TINC_NODE_H__
+
+#include "avl_tree.h"
+#include "connection.h"
+#include "list.h"
+#include "subnet.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 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 */
+
+	sockaddr_t address;			/* his real (internet) ip to send UDP packets to */
+	char *hostname;				/* the hostname of its real ip */
+
+	node_status_t status;
 
-  ipv4_t address;                  /* his real (internet) ip to send UDP packets to */
-  short unsigned int port;         /* port number of UDP connection */
-  char *hostname;                  /* the hostname of its real ip */
+	const EVP_CIPHER *cipher;	/* Cipher type for UDP packets */
+	char *key;					/* Cipher key and iv */
+	int keylength;				/* Cipher key and iv length */
+	EVP_CIPHER_CTX packet_ctx;	/* Cipher context */
+	
+	const EVP_MD *digest;		/* Digest type for MAC */
+	int maclength;				/* Length of MAC */
 
-  status_bits_t status;            /* status info */
+	int compression;			/* Compressionlevel, 0 = no compression */
 
-  EVP_CIPHER *cipher_pkttype;      /* Cipher type for UDP packets */ 
-  char *cipher_pktkey;             /* Cipher key and iv */
-  int cipher_pktkeylength;         /* Cipher key and iv length*/
+	list_t *queue;				/* Queue for packets awaiting to be encrypted */
 
-  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 */
 
-  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 *via;              /* next hop for UDP packets */
-  
-  avl_tree_t *subnet_tree;         /* Pointer to a tree of subnets belonging to this node */
+	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) */
+
+	uint32_t sent_seqno;		/* Sequence number last sent to this node */
+	uint32_t received_seqno;	/* Sequence number last received from this node */
+	unsigned char late[16];	/* Bitfield marking late packets */
 } 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) __attribute__ ((malloc));
+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(const sockaddr_t *);
+extern void dump_nodes(void);
+
+#endif							/* __TINC_NODE_H__ */