/*
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) 2000-2010 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
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
- 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: connection.h,v 1.1.2.38 2003/11/17 15:30:16 guus Exp $
+ 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.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __TINC_CONNECTION_H__
#define OPTION_INDIRECT 0x0001
#define OPTION_TCPONLY 0x0002
+#define OPTION_PMTU_DISCOVERY 0x0004
+#define OPTION_CLAMP_MSS 0x0008
typedef struct connection_status_t {
- int pinged:1; /* sent ping */
- int active:1; /* 1 if active.. */
- int connecting:1; /* 1 if we are waiting for a non-blocking connect() to finish */
- int termreq:1; /* the termination of this connection was requested */
- int remove:1; /* Set to 1 if you want this connection removed */
- 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:23;
+ unsigned int pinged:1; /* sent ping */
+ unsigned int active:1; /* 1 if active.. */
+ unsigned int connecting:1; /* 1 if we are waiting for a non-blocking connect() to finish */
+ unsigned int termreq:1; /* the termination of this connection was requested */
+ unsigned int remove:1; /* Set to 1 if you want this connection removed */
+ unsigned int timeout:1; /* 1 if gotten timeout */
+ unsigned int encryptout:1; /* 1 if we can encrypt outgoing traffic */
+ unsigned int decryptin:1; /* 1 if we have to decrypt incoming traffic */
+ unsigned int mst:1; /* 1 if this connection is part of a minimum spanning tree */
+ unsigned int unused:23;
} connection_status_t;
#include "edge.h"
-#include "list.h"
#include "net.h"
#include "node.h"
int protocol_version; /* used protocol */
int socket; /* socket used for this connection */
- long int options; /* options for this connection */
- struct connection_status_t status; /* status info */
+ uint32_t options; /* options for this connection */
+ 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;
extern void connection_add(connection_t *);
extern void connection_del(connection_t *);
extern void dump_connections(void);
-extern bool read_connection_config(connection_t *);
#endif /* __TINC_CONNECTION_H__ */