/*
connection.h -- header for connection.c
- Copyright (C) 2000-2003 Guus Sliepen <guus@sliepen.eu.org>,
- 2000-2003 Ivo Timmermans <ivo@o2w.nl>
+ Copyright (C) 2000-2006 Guus Sliepen <guus@tinc-vpn.org>,
+ 2000-2005 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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: connection.h,v 1.1.2.36 2003/07/30 21:52:41 guus Exp $
+ $Id$
*/
#ifndef __TINC_CONNECTION_H__
#define OPTION_INDIRECT 0x0001
#define OPTION_TCPONLY 0x0002
+#define OPTION_PMTU_DISCOVERY 0x0004
typedef struct connection_status_t {
int pinged:1; /* sent ping */
int timeout:1; /* 1 if gotten timeout */
int encryptout:1; /* 1 if we can encrypt outgoing traffic */
int decryptin:1; /* 1 if we have to decrypt incoming traffic */
- int mst:1; /* 1 if this connection is part of a minimum spanning tree */
- int unused:18;
+ int mst:1; /* 1 if this connection is part of a minimum spanning tree */
+ int unused:23;
} connection_status_t;
#include "edge.h"
int socket; /* socket used for this connection */
long int options; /* options for this connection */
- struct connection_status_t status; /* status info */
+ connection_status_t status; /* status info */
int estimated_weight; /* estimation for the weight of the edge for this connection */
struct timeval start; /* time this connection was started, used for above estimation */
struct outgoing_t *outgoing; /* used to keep track of outgoing connections */
int tcplen; /* length of incoming TCPpacket */
int allow_request; /* defined if there's only one request possible */
- time_t last_ping_time; /* last time we saw some activity from the other end */
+ char *outbuf; /* metadata output buffer */
+ int outbufstart; /* index of first meaningful byte in output buffer */
+ int outbuflen; /* number of meaningful bytes in output buffer */
+ int outbufsize; /* number of bytes allocated to output buffer */
+
+ time_t last_ping_time; /* last time we saw some activity from the other end or pinged them */
+ time_t last_flushed_time; /* last time buffer was empty. Only meaningful if outbuflen > 0 */
avl_tree_t *config_tree; /* Pointer to configuration tree belonging to him */
} connection_t;