/*
net.h -- header for net.c
- Copyright (C) 1998-2003 Ivo Timmermans <zarq@iname.com>
- 2000-2003 Guus Sliepen <guus@sliepen.eu.org>
+ Copyright (C) 1998-2005 Ivo Timmermans <zarq@iname.com>
+ 2000-2006 Guus Sliepen <guus@tinc-vpn.org>
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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: net.h,v 1.9.4.71 2003/10/06 16:49:42 guus Exp $
+ $Id$
*/
#ifndef __TINC_NET_H__
#define __TINC_NET_H__
#include <openssl/evp.h>
+#include <event.h>
#include "ipv6.h"
#ifdef ENABLE_JUMBOGRAMS
-#define MTU 9014 /* 9000 bytes payload + 14 bytes ethernet header */
+#define MTU 9018 /* 9000 bytes payload + 14 bytes ethernet header + 4 bytes VLAN tag */
#else
-#define MTU 1514 /* 1500 bytes payload + 14 bytes ethernet header */
+#define MTU 1518 /* 1500 bytes payload + 14 bytes ethernet header + 4 bytes VLAN tag */
#endif
#define MAXSIZE (MTU + 4 + EVP_MAX_BLOCK_LENGTH + EVP_MAX_MD_SIZE + MTU/64 + 20) /* MTU + seqno + padding + HMAC + compressor overhead */
#define MAXBUFSIZE ((MAXSIZE > 2048 ? MAXSIZE : 2048) + 128) /* Enough room for a request with a MAXSIZEd packet or a 8192 bits RSA key */
-#define MAXSOCKETS 128 /* Overkill... */
+#define MAXSOCKETS 8 /* Probably overkill... */
#define MAXQUEUELENGTH 8 /* Maximum number of packats in a single queue */
typedef short length_t;
-#define AF_UNKNOWN ((sa_family_t)-1)
+#define AF_UNKNOWN 255
struct sockaddr_unknown {
uint16_t family;
} packet_queue_t;
typedef struct listen_socket_t {
+ struct event ev_tcp;
+ struct event ev_udp;
int tcp;
int udp;
sockaddr_t sa;
struct config_t *cfg;
struct addrinfo *ai;
struct addrinfo *aip;
+ struct event ev;
} outgoing_t;
-extern int maxtimeout;
+extern int maxoutbufsize;
extern int seconds_till_retry;
extern int addressfamily;
extern listen_socket_t listen_socket[MAXSOCKETS];
extern int listen_sockets;
-extern int keyexpires;
extern int keylifetime;
extern bool do_prune;
extern bool do_purge;
extern char *myport;
-extern time_t now;
extern EVP_CIPHER_CTX packet_ctx;
/* Yes, very strange placement indeed, but otherwise the typedefs get all tangled up */
#include "node.h"
extern void retry_outgoing(outgoing_t *);
-extern void handle_incoming_vpn_data(int);
+extern void handle_incoming_vpn_data(int, short, void *);
extern void finish_connecting(struct connection_t *);
extern void do_outgoing_connection(struct connection_t *);
-extern bool handle_new_meta_connection(int);
+extern void handle_new_meta_connection(int, short, void *);
extern int setup_listen_socket(const sockaddr_t *);
extern int setup_vpn_in_socket(const sockaddr_t *);
extern void send_packet(const struct node_t *, vpn_packet_t *);
extern void terminate_connection(struct connection_t *, bool);
extern void flush_queue(struct node_t *);
extern bool read_rsa_public_key(struct connection_t *);
+extern void send_mtu_probe(struct node_t *);
+extern void handle_device_data(int, short, void *);
+extern void handle_meta_connection_data(int, short, void *);
+extern void regenerate_key();
#ifndef HAVE_MINGW
#define closesocket(s) close(s)