/*
node.h -- header for node.c
- Copyright (C) 2001-2002 Guus Sliepen <guus@sliepen.warande.net>,
- 2001-2002 Ivo Timmermans <itimmermans@bigfoot.com>
+ Copyright (C) 2014 Guus Sliepen <guus@meshlink.io>
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: node.h,v 1.1.2.14 2002/06/08 12:57:10 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_NODE_H__
#define __TINC_NODE_H__
-#ifdef HAVE_STDINT_H
- #include <stdint.h>
-#endif
-
-#include <avl_tree.h>
-
-#include "subnet.h"
-#include "connection.h"
+#include "event.h"
+#include "sockaddr.h"
+#include "sptps.h"
typedef struct node_status_t {
- int active:1; /* 1 if active.. */
- 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;
+ 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 unused_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 broadcast:1; /* 1 if the next UDP packet should be broadcast to the local network */
+ unsigned int unused:23;
} node_status_t;
typedef struct node_t {
- char *name; /* name of this node */
- long int 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 */
-
- struct node_status_t status;
-
- const EVP_CIPHER *cipher; /* Cipher type for UDP packets */
- char *key; /* Cipher key and iv */
- int keylength; /* Cipher key and iv length*/
-
- const EVP_MD *digest; /* Digest type for MAC */
- int maclength; /* Length of MAC */
-
- int compression; /* Compressionlevel, 0 = no compression */
-
- list_t *queue; /* Queue for packets awaiting to be encrypted */
-
- struct node_t *nexthop; /* nearest node from us to him */
- struct node_t *via; /* next hop for UDP packets */
-
- avl_tree_t *subnet_tree; /* Pointer to a tree of subnets belonging to this node */
-
- avl_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 */
+ char *name; /* name of this node */
+ uint32_t options; /* options turned on for this node */
+
+ int sock; /* Socket to use for outgoing UDP packets */
+ sockaddr_t address; /* his real (internet) ip to send UDP packets to */
+ char *hostname; /* the hostname of its real ip */
+
+ node_status_t status;
+ time_t last_state_change;
+ time_t last_req_key;
+
+ struct ecdsa *ecdsa; /* His public ECDSA key */
+ sptps_t sptps;
+
+ 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 edge_t *prevedge; /* nearest node from him to us */
+ struct node_t *via; /* next hop for UDP packets */
+
+ struct 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;
+ unsigned char* late; /* Bitfield marking late packets */
+
+ uint16_t mtu; /* Maximum size of packets to send to this node */
+ uint16_t minmtu; /* Probed minimum MTU */
+ uint16_t maxmtu; /* Probed maximum MTU */
+ int mtuprobes; /* Number of probes */
+ timeout_t mtutimeout; /* Probe event */
+ struct timeval probe_time; /* Time the last probe was sent or received */
+ int probe_counter; /* Number of probes received since last burst was sent */
+ float rtt; /* Last measured round trip time */
+ float bandwidth; /* Last measured bandwidth */
+ float packetloss; /* Last measured packet loss rate */
+
+ uint64_t in_packets;
+ uint64_t in_bytes;
+ uint64_t out_packets;
+ uint64_t out_bytes;
} node_t;
-extern struct node_t *myself;
-extern avl_tree_t *node_tree;
-extern avl_tree_t *node_udp_tree;
-
extern void init_nodes(void);
extern void exit_nodes(void);
-extern node_t *new_node(void);
+extern node_t *new_node(void) __attribute__ ((__malloc__));
extern void free_node(node_t *);
extern void node_add(node_t *);
extern void node_del(node_t *);
extern node_t *lookup_node(char *);
-extern node_t *lookup_node_udp(sockaddr_t *);
-extern void dump_nodes(void);
+extern node_t *lookup_node_udp(const sockaddr_t *);
+extern void update_node_udp(node_t *, const sockaddr_t *);
#endif /* __TINC_NODE_H__ */