X-Git-Url: http://git.meshlink.io/?p=meshlink;a=blobdiff_plain;f=src%2Fnode.h;h=ff8b3335ba70740830a08d70f8e51245f315a32c;hp=2568f182aaf17cca2ca1d9dcce52f16c2b8a3efa;hb=963c5055505f2fc117cd5efa06eaa02c9b2bf85d;hpb=fa05f996c5500c056a36c1d43e33a407f876643c diff --git a/src/node.h b/src/node.h index 2568f182..ff8b3335 100644 --- a/src/node.h +++ b/src/node.h @@ -27,71 +27,75 @@ #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 destroyed: 1; /* 1 if the node is being destroyed, deallocate channels when any callback is triggered */ - unsigned int duplicate: 1; /* 1 if the node is duplicate, ie. multiple nodes using the same Name are online */ - unsigned int dirty: 1; /* 1 if the configuration of the node is dirty and needs to be written out */ - unsigned int unused: 19; + 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 */ - int32_t devclass; - - struct meshlink_handle *mesh; /* The mesh this node belongs to */ - struct submesh_t *submesh; /* Nodes Sub-Mesh Handle*/ + // Private member variables + node_status_t status; + uint16_t minmtu; /* Probed minimum MTU */ + dev_class_t devclass; + // 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 */ - 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*/ - struct splay_tree_t *edge_tree; /* Edges with this node as one of the endpoints */ + time_t last_req_key; + + 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 */ - 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 */ - char *canonical_address; /* The canonical address of this node, if known */ - sockaddr_t recent[5]; /* Recently seen addresses */ + 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); @@ -100,8 +104,9 @@ extern node_t *new_node(void) __attribute__((__malloc__)); extern void free_node(node_t *n); extern void node_add(struct meshlink_handle *mesh, node_t *n); extern void node_del(struct meshlink_handle *mesh, node_t *n); -extern node_t *lookup_node(struct meshlink_handle *mesh, const char *name); -extern node_t *lookup_node_udp(struct meshlink_handle *mesh, const sockaddr_t *sa); +extern node_t *lookup_node(struct meshlink_handle *mesh, const char *name) __attribute__((__warn_unused_result__)); +extern node_t *lookup_node_udp(struct meshlink_handle *mesh, const sockaddr_t *sa) __attribute__((__warn_unused_result__)); extern void update_node_udp(struct meshlink_handle *mesh, node_t *n, const sockaddr_t *sa); +extern bool node_add_recent_address(struct meshlink_handle *mesh, node_t *n, const sockaddr_t *addr); #endif