X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fnode.h;h=3a779af97055b163917a0c2aacc2860db8c80c68;hb=a1b50920b9a52f86ca6e33fcb24d7fa34313a1ee;hp=5b5cc251e25786977c1974489bb58959f2e77f4d;hpb=bf6490825eabdf4eda6e64f2e5fcd690db7b72ce;p=meshlink diff --git a/src/node.h b/src/node.h index 5b5cc251..3a779af9 100644 --- a/src/node.h +++ b/src/node.h @@ -1,7 +1,6 @@ /* node.h -- header for node.c - Copyright (C) 2001-2006 Guus Sliepen , - 2001-2005 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 @@ -13,87 +12,92 @@ 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 "avl_tree.h" -#include "connection.h" -#include "list.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; +#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 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 */ - - 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 */ - EVP_CIPHER_CTX packet_ctx; /* Cipher context */ - - const EVP_MD *digest; /* Digest type for MAC */ - int maclength; /* Length of MAC */ - - int compression; /* Compressionlevel, 0 = no compression */ + char *name; /* name of this node */ + uint32_t options; /* options turned on for this node */ - list_t *queue; /* Queue for packets awaiting to be encrypted */ + struct meshlink_handle *mesh; /* The mesh this node belongs to */ - struct node_t *nexthop; /* nearest node from us to him */ - struct node_t *via; /* next hop for UDP packets */ + 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 */ - 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 */ - 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 */ - struct event mtuevent; /* Probe event */ + 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 void init_nodes(struct meshlink_handle *mesh); +extern void exit_nodes(struct meshlink_handle *mesh); 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 dump_nodes(void); +extern void node_add(struct meshlink_handle *mesh, node_t *); +extern void node_del(struct meshlink_handle *mesh, node_t *); +extern node_t *lookup_node(struct meshlink_handle *mesh, char *); +extern node_t *lookup_node_udp(struct meshlink_handle *mesh, const sockaddr_t *); +extern void update_node_udp(struct meshlink_handle *mesh, node_t *, const sockaddr_t *); -#endif /* __TINC_NODE_H__ */ +#endif /* __TINC_NODE_H__ */