X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fnode.h;h=1b33789ee0583c3195742ddd7aa1c1ccfe596d40;hb=017a7fb57655d9b1d706ee78f7e3d0000411b883;hp=bd10add706f1ba2db9e2ba7b1083c66b138908d2;hpb=cfe9285adf391ab66faeb5def811fe08e47a221a;p=tinc diff --git a/src/node.h b/src/node.h index bd10add7..1b33789e 100644 --- a/src/node.h +++ b/src/node.h @@ -1,3 +1,6 @@ +#ifndef TINC_NODE_H +#define TINC_NODE_H + /* node.h -- header for node.c Copyright (C) 2001-2013 Guus Sliepen , @@ -18,9 +21,6 @@ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -#ifndef __TINC_NODE_H__ -#define __TINC_NODE_H__ - #include "splay_tree.h" #include "cipher.h" #include "connection.h" @@ -29,26 +29,30 @@ #include "subnet.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 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 unused:23; + 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 has_address: 1; /* 1 if we know an external address for this node */ + unsigned int ping_sent: 1; /* 1 if we sent a UDP probe but haven't received the reply yet */ + unsigned int unused: 19; } node_status_t; typedef struct node_t { 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 */ 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; @@ -85,23 +89,31 @@ typedef struct node_t { 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 */ + 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 */ + int udp_ping_rtt; /* Round trip time of UDP ping (in microseconds; or -1 if !status.udp_confirmed) */ + timeout_t udp_ping_timeout; /* Ping timeout event */ + + struct timeval mtu_ping_sent; /* Last time a MTU probe was sent */ + + 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 */ + + length_t maxrecentlen; /* Maximum size of recently received 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 */ - 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; + + struct address_cache_t *address_cache; } node_t; extern struct node_t *myself; @@ -109,15 +121,15 @@ extern splay_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_id(const node_id_t *); -extern node_t *lookup_node_udp(const sockaddr_t *); -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__ */ +extern node_t *new_node(void) __attribute__((__malloc__)); +extern void free_node(node_t *n); +extern void node_add(node_t *n); +extern void node_del(node_t *n); +extern node_t *lookup_node(char *name); +extern node_t *lookup_node_id(const node_id_t *id); +extern node_t *lookup_node_udp(const sockaddr_t *sa); +extern bool dump_nodes(struct connection_t *c); +extern bool dump_traffic(struct connection_t *c); +extern void update_node_udp(node_t *n, const sockaddr_t *sa); + +#endif