/*
net.h -- header for net.c
- Copyright (C) 1998,99 Ivo Timmermans <zarq@iname.com>
+ Copyright (C) 1998,1999,2000 Ivo Timmermans <zarq@iname.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
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: net.h,v 1.9.4.5 2000/06/29 13:04:15 guus Exp $
*/
#ifndef __TINC_NET_H__
#define MAXBUFSIZE 2048 /* Probably way too much, but it must fit every possible request. */
+/* flags */
+#define INDIRECTDATA 0x0001 /* Used to indicate that this host has to be reached indirect */
+#define EXPORTINDIRECTDATA 0x0002 /* Used to indicate uplink that it has to tell others to do INDIRECTDATA */
+
typedef unsigned long ip_t;
typedef short length_t;
ip_t vpn_ip; /* his vpn ip */
ip_t vpn_mask; /* his vpn network address */
ip_t real_ip; /* his real (internet) ip */
- char *hostname; /* the hostname of its real ip */
+ char *real_hostname; /* the hostname of its real ip */
+ char *vpn_hostname; /* the hostname of the vpn ip */
short unsigned int port; /* his portnumber */
+ int flags; /* his flags */
int socket; /* our udp vpn socket */
int meta_socket; /* our tcp meta socket */
int protocol_version; /* used protocol */
valid key to be decrypted with) */
enc_key_t *public_key; /* the other party's public key */
enc_key_t *key; /* encrypt with this key */
- char buffer[MAXBUFSIZE]; /* metadata input buffer */
+ char buffer[MAXBUFSIZE+1]; /* metadata input buffer */
int buflen; /* bytes read into buffer */
int reqlen; /* length of first request in buffer */
+ time_t last_ping_time; /* last time we saw some activity from the other end */
+ int want_ping; /* 0 if there's no need to check for activity */
struct conn_list_t *nexthop; /* nearest meta-hop in this direction */
struct conn_list_t *next; /* after all, it's a list of connections */
} conn_list_t;
extern conn_list_t *myself;
extern int send_packet(ip_t, vpn_packet_t *);
-extern int send_broadcast(conn_list_t *, vpn_packet_t *);
extern int setup_network_connections(void);
extern void close_network_connections(void);
extern void main_loop(void);