-typedef struct connection_t {
- char *name; /* name he claims to have */
-
- sockaddr_t address; /* his real (internet) ip */
- char *hostname; /* the hostname of its real ip */
- int protocol_version; /* used protocol */
-
- int socket; /* socket used for this connection */
- long int options; /* options for this connection */
- struct connection_status_t status; /* status info */
- int estimated_weight; /* estimation for the weight of the edge for this connection */
- struct timeval start; /* time this connection was started, used for above estimation */
- struct outgoing_t *outgoing; /* used to keep track of outgoing connections */
-
- struct node_t *node; /* node associated with the other end */
- struct edge_t *edge; /* edge associated with this connection */
-
- RSA *rsa_key; /* his public/private key */
- const EVP_CIPHER *incipher; /* Cipher he will use to send data to us */
- const EVP_CIPHER *outcipher; /* Cipher we will use to send data to him */
- EVP_CIPHER_CTX *inctx; /* Context of encrypted meta data that will come from him to us */
- EVP_CIPHER_CTX *outctx; /* Context of encrypted meta data that will be sent from us to him */
- char *inkey; /* His symmetric meta key + iv */
- char *outkey; /* Our symmetric meta key + iv */
- int inkeylength; /* Length of his key + iv */
- int outkeylength; /* Length of our key + iv */
- const EVP_MD *indigest;
- const EVP_MD *outdigest;
- int inmaclength;
- int outmaclength;
- int incompression;
- int outcompression;
- char *mychallenge; /* challenge we received from him */
- char *hischallenge; /* challenge we sent to him */
-
- char buffer[MAXBUFSIZE]; /* metadata input buffer */
- int buflen; /* bytes read into buffer */
- 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 */
-
- avl_tree_t *config_tree; /* Pointer to configuration tree belonging to him */