X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnode.h;h=6f366c2a72123d5bcad3acfe5a34939a51c6b5cb;hp=e6b28d298b92aaae49d6af2873231340f7f85a7c;hb=116ba3b3da73fb857cf75b5c92c6aacd70d94dd9;hpb=ec0c16b9b63f361b11a757ee1641d562e4811f93 diff --git a/src/node.h b/src/node.h index e6b28d29..6f366c2a 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 @@ -17,41 +17,76 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: node.h,v 1.1.2.3 2001/10/10 08:49:47 guus Exp $ + $Id: node.h,v 1.1.2.14 2002/06/08 12:57:10 guus Exp $ */ #ifndef __TINC_NODE_H__ #define __TINC_NODE_H__ +#ifdef HAVE_STDINT_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 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 */ - 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 */ - status_bits_t status; /* status info */ + 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*/ + 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 meta-hop from us to him */ - struct node_t *prevhop; /* nearest meta-hop from him to us */ + 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 */ - 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 */ } node_t; -struct node_t *myself; +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__ */