X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fnode.h;h=63f3c2c8bad55132aa694981c702d760777d2b1e;hb=4b6c01b1d5383b1a7417244a31ad4652aab2d5db;hp=33bac25649cddbdb5597493360bc6334a319cbcf;hpb=61d9b04f66055e61f0afdf8955ff890f4da39288;p=meshlink diff --git a/src/node.h b/src/node.h index 33bac256..63f3c2c8 100644 --- a/src/node.h +++ b/src/node.h @@ -23,78 +23,91 @@ #include "event.h" #include "sockaddr.h" #include "sptps.h" -#include "utcp/utcp.h" +#include "utcp.h" +#include "submesh.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 blacklisted:1; /* 1 if the node is blacklist so we never want to speak with him anymore*/ - unsigned int unused:22; + uint16_t validkey: 1; /* 1 if we currently have a valid key for him */ + uint16_t waitingforkey: 1; /* 1 if we already sent out a request */ + uint16_t visited: 1; /* 1 if this node has been visited by one of the graph algorithms */ + uint16_t reachable: 1; /* 1 if this node is reachable in the graph */ + uint16_t udp_confirmed: 1; /* 1 if the address is one that we received UDP traffic on */ + uint16_t broadcast: 1; /* 1 if the next UDP packet should be broadcast to the local network */ + uint16_t blacklisted: 1; /* 1 if the node is blacklist so we never want to speak with him anymore */ + uint16_t destroyed: 1; /* 1 if the node is being destroyed, deallocate channels when any callback is triggered */ + uint16_t duplicate: 1; /* 1 if the node is duplicate, ie. multiple nodes using the same Name are online */ + uint16_t dirty: 1; /* 1 if the configuration of the node is dirty and needs to be written out */ + uint16_t want_udp: 1; /* 1 if we want working UDP because we have data to send */ } node_status_t; +#define MAX_RECENT 5 + typedef struct node_t { + // Public member variables char *name; /* name of this node */ void *priv; - uint32_t options; /* options turned on for this node */ + // Private member variables + node_status_t status; + uint16_t minmtu; /* Probed minimum MTU */ dev_class_t devclass; - struct meshlink_handle *mesh; /* The mesh this node belongs to */ - + // Used for packet I/O int sock; /* Socket to use for outgoing UDP packets */ + uint32_t session_id; /* Unique ID for this node's currently running process */ + sptps_t sptps; 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 utcp *utcp; - struct ecdsa *ecdsa; /* His public ECDSA key */ - sptps_t sptps; + // Traffic counters + uint64_t in_packets; + uint64_t in_bytes; + uint64_t out_packets; + uint64_t out_bytes; - int incompression; /* Compressionlevel, 0 = no compression */ - int outcompression; /* Compressionlevel, 0 = no compression */ + // MTU probes + timeout_t mtutimeout; /* Probe event */ + int mtuprobes; /* Number of probes */ + uint16_t mtu; /* Maximum size of packets to send to this node */ + uint16_t maxmtu; /* Probed maximum MTU */ - 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 */ + // Used for meta-connection I/O, timeouts + struct meshlink_handle *mesh; /* The mesh this node belongs to */ + struct submesh_t *submesh; /* Nodes Sub-Mesh Handle*/ + + time_t last_req_key; - struct splay_tree_t *edge_tree; /* Edges with this node as one of the endpoints */ + struct ecdsa *ecdsa; /* His public ECDSA key */ struct connection_t *connection; /* Connection associated with this node (if a direct connection exists) */ time_t last_connect_try; time_t last_successfull_connection; - 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 */ + char *canonical_address; /* The canonical address of this node, if known */ + sockaddr_t recent[MAX_RECENT]; /* Recently seen addresses */ + sockaddr_t catta_address; /* Latest address seen by Catta */ - struct utcp *utcp; + // Graph-related member variables + time_t last_reachable; + time_t last_unreachable; - uint64_t in_packets; - uint64_t in_bytes; - uint64_t out_packets; - uint64_t out_bytes; + int distance; + struct node_t *nexthop; /* nearest node from us to him */ + struct edge_t *prevedge; /* nearest node from him to us */ + + struct splay_tree_t *edge_tree; /* Edges with this node as one of the endpoints */ } node_t; -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(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, const 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 *); +void init_nodes(struct meshlink_handle *mesh); +void exit_nodes(struct meshlink_handle *mesh); +node_t *new_node(void) __attribute__((__malloc__)); +void free_node(node_t *n); +void node_add(struct meshlink_handle *mesh, node_t *n); +void node_del(struct meshlink_handle *mesh, node_t *n); +node_t *lookup_node(struct meshlink_handle *mesh, const char *name) __attribute__((__warn_unused_result__)); +node_t *lookup_node_udp(struct meshlink_handle *mesh, const sockaddr_t *sa) __attribute__((__warn_unused_result__)); +void update_node_udp(struct meshlink_handle *mesh, node_t *n, const sockaddr_t *sa); +bool node_add_recent_address(struct meshlink_handle *mesh, node_t *n, const sockaddr_t *addr); #endif