Use edge local addresses for local discovery.
[tinc] / src / node.h
index 662ad68..605477e 100644 (file)
@@ -1,6 +1,6 @@
 /*
     node.h -- header for node.c
-    Copyright (C) 2001-2012 Guus Sliepen <guus@tinc-vpn.org>,
+    Copyright (C) 2001-2013 Guus Sliepen <guus@tinc-vpn.org>,
                   2001-2005 Ivo Timmermans
 
     This program is free software; you can redistribute it and/or modify
@@ -37,7 +37,8 @@ typedef struct node_status_t {
        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 unused:24;
+       unsigned int send_locally:1;            /* 1 if the next UDP packet should be sent on the local network */
+       unsigned int unused:23;
 } node_status_t;
 
 typedef struct node_t {
@@ -52,14 +53,14 @@ typedef struct node_t {
        time_t last_state_change;
        time_t last_req_key;
 
-       ecdsa_t ecdsa;                          /* His public ECDSA key */
+       ecdsa_t *ecdsa;                         /* His public ECDSA key */
        sptps_t sptps;
 
-       cipher_t incipher;                      /* Cipher for UDP packets */
-       digest_t indigest;                      /* Digest for UDP packets */
+       cipher_t *incipher;                     /* Cipher for UDP packets */
+       digest_t *indigest;                     /* Digest for UDP packets */
 
-       cipher_t outcipher;                     /* Cipher for UDP packets */
-       digest_t outdigest;                     /* Digest for UDP packets */
+       cipher_t *outcipher;                    /* Cipher for UDP packets */
+       digest_t *outdigest;                    /* Digest for UDP packets */
 
        int incompression;                      /* Compressionlevel, 0 = no compression */
        int outcompression;                     /* Compressionlevel, 0 = no compression */
@@ -78,6 +79,8 @@ typedef struct node_t {
        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;
        uint32_t farfuture;                     /* Packets in a row that have arrived from the far future */
        unsigned char* late;                    /* Bitfield marking late packets */
 
@@ -86,6 +89,11 @@ typedef struct node_t {
        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;