X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnode.h;h=f2bea91bb70f38c9b991bab55f412200b6bfefc4;hp=9f2a35a7ab90ed2c46bcebed04fb5719d4f2754a;hb=698d6ddac6ab32d5a4b802941b02232793442684;hpb=82e383710980534d38bb9a8ef22f20677cd85861 diff --git a/src/node.h b/src/node.h index 9f2a35a7..f2bea91b 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 @@ -17,12 +17,16 @@ 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 1.1.2.18 2002/09/04 08:33:08 guus Exp $ */ #ifndef __TINC_NODE_H__ #define __TINC_NODE_H__ +#ifdef HAVE_INTTYPES_H + #include +#endif + #include #include "subnet.h" @@ -32,45 +36,58 @@ 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 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 */ + int distance; /* Distance from us to that node */ + + 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 *prevhop; /* nearest node 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 */ 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 */ } 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__ */