X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fnode.h;h=f6415a1d075f0191ff60abe819b9e567dbdd01d8;hb=3268e9a2b9fea6779224fe1f3da48b7fc4b9cb46;hp=16bdb7c08d200910818a766357e425ff7db88935;hpb=0bbace18e96cd6fc32dfa23ffd55f73ff96e8c6f;p=meshlink diff --git a/src/node.h b/src/node.h index 16bdb7c0..f6415a1d 100644 --- a/src/node.h +++ b/src/node.h @@ -1,7 +1,6 @@ /* node.h -- header for node.c - Copyright (C) 2001 Guus Sliepen , - 2001 Ivo Timmermans + Copyright (C) 2014 Guus Sliepen 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 @@ -13,43 +12,90 @@ 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 1.1.2.4 2001/10/10 20:35:10 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__ -#include +#include "event.h" +#include "sockaddr.h" +#include "sptps.h" + +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 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 connection */ - int protocol_version; /* used protocol */ - long int options; /* options turned on for this connection */ + 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 */ - ipv4_t address; /* his real (internet) ip to send UDP packets to */ - short unsigned int port; /* port number of UDP connection */ - char *hostname; /* the hostname of its real ip */ + struct splay_tree_t *edge_tree; /* Edges with this node as one of the endpoints */ - EVP_CIPHER *cipher; /* Cipher type for UDP packets */ - char *key; /* Cipher key and iv */ - int keylength; /* Cipher key and iv length*/ + struct connection_t *connection; /* Connection associated with this node (if a direct connection exists) */ - list_t *queue; /* Queue for packets awaiting to be encrypted */ + 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 */ - struct node_t *nexthop; /* nearest meta-hop from us to him */ - struct node_t *prevhop; /* nearest meta-hop from him to us */ - struct node_t *via; /* next hop for UDP packets */ - - avl_tree_t *subnet_tree; /* Pointer to a tree of subnets belonging to this node */ + 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 */ - struct config_t *config; /* Pointer to configuration tree belonging to this node */ + uint64_t in_packets; + uint64_t in_bytes; + uint64_t out_packets; + uint64_t out_bytes; } node_t; -struct node_t *myself; -extern avl_tree_t *node_tree; +extern void init_nodes(void); +extern void exit_nodes(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(const sockaddr_t *); +extern void update_node_udp(node_t *, const sockaddr_t *); #endif /* __TINC_NODE_H__ */