/*
node.h -- header for node.c
- Copyright (C) 2001-2009 Guus Sliepen <guus@tinc-vpn.org>,
+ Copyright (C) 2001-2013 Guus Sliepen <guus@tinc-vpn.org>,
2001-2005 Ivo Timmermans
This program is free software; you can redistribute it and/or modify
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.
-
- $Id$
+ 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_NODE_H__
#define __TINC_NODE_H__
-#include <event.h>
-
#include "splay_tree.h"
#include "cipher.h"
#include "connection.h"
#include "digest.h"
-#include "list.h"
+#include "event.h"
#include "subnet.h"
-typedef union node_status_t {
- struct {
- int unused_active:1; /* 1 if active (not used for nodes) */
- int validkey:1; /* 1 if we currently have a valid key for him */
- int waitingforkey:1; /* 1 if we already sent out a request */
- int visited:1; /* 1 if this node has been visited by one of the graph algorithms */
- int reachable:1; /* 1 if this node is reachable in the graph */
- int indirect:1; /* 1 if this node is not directly reachable by us */
- int unused:26;
- };
- uint32_t value;
+typedef struct node_status_t {
+ unsigned int unused_active:1; /* 1 if active (not used for nodes) */
+ unsigned int validkey:1; /* 1 if we currently have a valid key for him */
+ unsigned int waitingforkey:1; /* 1 if we already sent out a request */
+ unsigned int visited:1; /* 1 if this node has been visited by one of the graph algorithms */
+ unsigned int reachable:1; /* 1 if this node is reachable in the graph */
+ unsigned int indirect:1; /* 1 if this node is not directly reachable by us */
+ unsigned int sptps:1; /* 1 if this node supports SPTPS */
+ unsigned int udp_confirmed:1; /* 1 if the address is one that we received UDP traffic on */
+ unsigned int send_locally:1; /* 1 if the next UDP packet should be sent on the local network */
+ unsigned int udppacket:1; /* 1 if the most recently received packet was UDP */
+ unsigned int validkey_in:1; /* 1 if we have sent a valid key to him */
+ unsigned int unused:21;
} node_status_t;
typedef struct node_t {
- char *name; /* name of this node */
- long int options; /* options turned on for this node */
+ char *name; /* name of this node */
+ char *hostname; /* the hostname of its real ip */
+ node_id_t id; /* unique node ID (name hash) */
+ uint32_t options; /* options turned on for this node */
- sockaddr_t address; /* his real (internet) ip to send UDP packets to */
- char *hostname; /* the hostname of its real ip */
+ int sock; /* Socket to use for outgoing UDP packets */
+ sockaddr_t address; /* his real (internet) ip to send UDP packets to */
node_status_t status;
+ time_t last_state_change;
+ time_t last_req_key;
- cipher_t incipher; /* Cipher for UDP packets */
- digest_t indigest; /* Digest for UDP packets */
- int inmaclength; /* Portion of digest to use */
+ ecdsa_t *ecdsa; /* His public ECDSA key */
+ sptps_t sptps;
- cipher_t outcipher; /* Cipher for UDP packets */
- digest_t outdigest; /* Digest for UDP packets */
- int outmaclength; /* Portion of digest to use */
+#ifndef DISABLE_LEGACY
+ cipher_t *incipher; /* Cipher for UDP packets */
+ digest_t *indigest; /* Digest for UDP packets */
- int incompression; /* Compressionlevel, 0 = no compression */
- int outcompression; /* Compressionlevel, 0 = no compression */
+ cipher_t *outcipher; /* Cipher for UDP packets */
+ digest_t *outdigest; /* Digest for UDP packets */
+#endif
+
+ int incompression; /* Compressionlevel, 0 = no compression */
+ int outcompression; /* Compressionlevel, 0 = no compression */
int distance;
- struct node_t *nexthop; /* nearest node from us to him */
- struct node_t *via; /* next hop for UDP packets */
+ struct node_t *nexthop; /* nearest node from us to him */
+ struct edge_t *prevedge; /* nearest node from him to us */
+ struct node_t *via; /* next hop for UDP packets */
+
+ splay_tree_t *subnet_tree; /* Pointer to a tree of subnets belonging to this node */
+
+ splay_tree_t *edge_tree; /* Edges with this node as one of the endpoints */
+
+ struct connection_t *connection; /* Connection associated with this node (if a direct connection exists) */
+
+ uint32_t sent_seqno; /* Sequence number last sent to this node */
+ uint32_t received_seqno; /* Sequence number last received from this node */
+ uint32_t received; /* Total valid packets received from this node */
+ uint32_t prev_received_seqno;
+ uint32_t prev_received;
+ uint32_t farfuture; /* Packets in a row that have arrived from the far future */
+ unsigned char* late; /* Bitfield marking late packets */
+
+ struct timeval udp_reply_sent; /* Last time a (gratuitous) UDP probe reply was sent */
+ struct timeval udp_ping_sent; /* Last time a UDP probe was sent */
+ timeout_t udp_ping_timeout; /* Ping timeout event */
- splay_tree_t *subnet_tree; /* Pointer to a tree of subnets belonging to this node */
+ struct timeval mtu_ping_sent; /* Last time a MTU probe was sent */
- splay_tree_t *edge_tree; /* Edges with this node as one of the endpoints */
+ struct timeval mtu_info_sent; /* Last time a MTU_INFO message was sent */
+ struct timeval udp_info_sent; /* Last time a UDP_INFO message was sent */
- struct connection_t *connection; /* Connection associated with this node (if a direct connection exists) */
+ length_t maxrecentlen; /* Maximum size of recently received packets */
- uint32_t sent_seqno; /* Sequence number last sent to this node */
- uint32_t received_seqno; /* Sequence number last received from this node */
- unsigned char late[16]; /* Bitfield marking late packets */
+ length_t mtu; /* Maximum size of packets to send to this node */
+ length_t minmtu; /* Probed minimum MTU */
+ length_t maxmtu; /* Probed maximum MTU */
+ int mtuprobes; /* Number of probes */
- length_t mtu; /* Maximum size of packets to send to this node */
- length_t minmtu; /* Probed minimum MTU */
- length_t maxmtu; /* Probed maximum MTU */
- int mtuprobes; /* Number of probes */
- struct event mtuevent; /* Probe event */
+ uint64_t in_packets;
+ uint64_t in_bytes;
+ uint64_t out_packets;
+ uint64_t out_bytes;
} node_t;
extern struct node_t *myself;
extern splay_tree_t *node_tree;
-extern splay_tree_t *node_udp_tree;
extern void init_nodes(void);
extern void exit_nodes(void);
extern void node_add(node_t *);
extern void node_del(node_t *);
extern node_t *lookup_node(char *);
+extern node_t *lookup_node_id(const node_id_t *);
extern node_t *lookup_node_udp(const sockaddr_t *);
-extern int dump_nodes(struct evbuffer *);
+extern bool dump_nodes(struct connection_t *);
+extern bool dump_traffic(struct connection_t *);
extern void update_node_udp(node_t *, const sockaddr_t *);
-#endif /* __TINC_NODE_H__ */
+#endif /* __TINC_NODE_H__ */
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