/*
connection.h -- header for connection.c
- Copyright (C) 2000-2004 Guus Sliepen <guus@tinc-vpn.org>,
- 2000-2004 Ivo Timmermans <ivo@tinc-vpn.org>
+ 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
#include <openssl/rsa.h>
#include <openssl/evp.h>
+#include <event.h>
+
#include "avl_tree.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 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;
+typedef union connection_status_t {
+ struct {
+ 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;
+ };
+ uint32_t value;
} connection_status_t;
#include "edge.h"
char *hostname; /* the hostname of its real ip */
int protocol_version; /* used protocol */
+ struct event ev; /* events on this metadata connection */
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;