+#include "splay_tree.h"
+#include "cipher.h"
+#include "connection.h"
+#include "digest.h"
+#include "event.h"
+#include "subnet.h"
+#include "compression.h"
+
+typedef union node_status_t {
+ struct {
+ bool unused_active: 1; /* 1 if active (not used for nodes) */
+ bool validkey: 1; /* 1 if we currently have a valid key for him */
+ bool waitingforkey: 1; /* 1 if we already sent out a request */
+ bool visited: 1; /* 1 if this node has been visited by one of the graph algorithms */
+ bool reachable: 1; /* 1 if this node is reachable in the graph */
+ bool indirect: 1; /* 1 if this node is not directly reachable by us */
+ bool sptps: 1; /* 1 if this node supports SPTPS */
+ bool udp_confirmed: 1; /* 1 if the address is one that we received UDP traffic on */
+ bool send_locally: 1; /* 1 if the next UDP packet should be sent on the local network */
+ bool udppacket: 1; /* 1 if the most recently received packet was UDP */
+ bool validkey_in: 1; /* 1 if we have sent a valid key to him */
+ bool has_address: 1; /* 1 if we know an external address for this node */
+ bool ping_sent: 1; /* 1 if we sent a UDP probe but haven't received the reply yet */
+ };
+ uint32_t value;
+} 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 */
+
+ size_t sock; /* Socket to use for outgoing UDP packets */
+ 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;