X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fconnection.h;h=b3a7e33ff1d391a9d5953cded8dc932d31016943;hp=29bace11b31accaefa17667545ffe70e175170cc;hb=5cbddc68bade0d1f8ded1b784bb27bb44c5dc5dc;hpb=d798b8b3d832f8c69769e08cfd64a4d8355faf0e

diff --git a/src/connection.h b/src/connection.h
index 29bace11..b3a7e33f 100644
--- a/src/connection.h
+++ b/src/connection.h
@@ -1,7 +1,7 @@
 /*
     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) 2000-2009 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
@@ -13,11 +13,9 @@
     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 1.1.2.36 2003/07/30 21:52:41 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__
@@ -30,6 +28,7 @@
 
 #define OPTION_INDIRECT		0x0001
 #define OPTION_TCPONLY		0x0002
+#define OPTION_PMTU_DISCOVERY	0x0004
 
 typedef struct connection_status_t {
 	int pinged:1;				/* sent ping */
@@ -40,8 +39,8 @@ typedef struct connection_status_t {
 	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"
@@ -57,8 +56,8 @@ typedef struct connection_t {
 	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 */
@@ -90,7 +89,13 @@ typedef struct connection_t {
 	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;