-typedef struct connection_t {
- char *name; /* name of this connection */
- ipv4_t address; /* his real (internet) ip */
- char *hostname; /* the hostname of its real ip */
- short unsigned int port; /* his portnumber */
- int protocol_version; /* used protocol */
- long unsigned int options; /* options turned on for this connection */
-
- int flags; /* his flags */
- int socket; /* our udp vpn socket */
- int meta_socket; /* our tcp meta socket */
- status_bits_t status; /* status info */
- packet_queue_t *sq; /* pending outgoing packets */
- packet_queue_t *rq; /* pending incoming packets (they have no
- valid key to be decrypted with) */
- RSA *rsa_key; /* the public/private key */
-
- EVP_CIPHER_CTX *cipher_inctx; /* Context of encrypted meta data that will come from him to us */
- EVP_CIPHER_CTX *cipher_outctx; /* Context of encrypted meta data that will be sent from us to him */
- char *cipher_inkey; /* His symmetric meta key */
- char *cipher_outkey; /* Our symmetric meta key */
-
- EVP_CIPHER *cipher_pkttype; /* Cipher type for encrypted vpn packets */
- char *cipher_pktkey; /* Cipher key and iv */
- int cipher_pktkeylength; /* Cipher key and iv length*/
-
- char *buffer; /* metadata input buffer */
- int buflen; /* bytes read into buffer */
- int reqlen; /* length of first request in buffer */
- int allow_request; /* defined if there's only one request possible */
-
- time_t last_ping_time; /* last time we saw some activity from the other end */
-
- char *mychallenge; /* challenge we received from him */
- char *hischallenge; /* challenge we sent to him */
-
- struct connection_t *nexthop; /* nearest meta-hop in this direction */
-
- rbltree_t *subnet_tree; /* Pointer to a tree of subnets belonging to this connection */
-
- struct config_t *config; /* Pointer to configuration tree belonging to this host */
+ int inmaclength;
+ int outmaclength;
+ int incompression;
+ int outcompression;
+
+ char *hischallenge; /* The challenge we sent to him */
+
+ struct buffer_t inbuf;
+ struct buffer_t outbuf;
+ struct event inevent; /* input event on this metadata connection */
+ struct event outevent; /* output event on this metadata connection */
+ int tcplen; /* length of incoming TCPpacket */
+ int allow_request; /* defined if there's only one request possible */
+
+ time_t last_ping_time; /* last time we saw some activity from the other end or pinged them */
+
+ splay_tree_t *config_tree; /* Pointer to configuration tree belonging to him */