X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnode.h;h=b5cd8a741b5ad8283a1ef63ddd346c0268263ee4;hp=b7c77e63b0bbfbeb10f2031524362a767c08729c;hb=1401faf608e1c8af0d0754e545b0ec79d2bd5d93;hpb=66067cc9c1347fb2de35660d531fdd4be8aede6a diff --git a/src/node.h b/src/node.h index b7c77e63..b5cd8a74 100644 --- a/src/node.h +++ b/src/node.h @@ -1,7 +1,7 @@ /* node.h -- header for node.c - Copyright (C) 2001 Guus Sliepen , - 2001 Ivo Timmermans + Copyright (C) 2001-2002 Guus Sliepen , + 2001-2002 Ivo Timmermans 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 @@ -17,61 +17,78 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: node.h,v 1.1.2.6 2001/10/28 10:16:18 guus Exp $ + $Id: node.h,v 1.1.2.23 2003/07/06 23:16:28 guus Exp $ */ #ifndef __TINC_NODE_H__ #define __TINC_NODE_H__ +#ifdef HAVE_INTTYPES_H +#include +#endif + #include #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 mst:1; /* 1 if this node has been visited by the MST algorithm */ - int unused:28; + 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 */ + 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; - 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 */ - struct node_status_t status; + int compression; /* Compressionlevel, 0 = no compression */ - 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 */ - 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 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 *subnet_tree; /* Pointer to a tree of subnets belonging to this node */ - struct connection_t *connection; /* Connection associated with this node (if a direct connection exists) */ + 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); -extern void free_node(node_t *n); -extern void node_add(node_t *n); -extern void node_del(node_t *n); +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(ipv4_t, port_t); +extern node_t *lookup_node_udp(sockaddr_t *); extern void dump_nodes(void); - -#endif /* __TINC_NODE_H__ */ +#endif /* __TINC_NODE_H__ */