char buffer[MAXBUFSIZE+1]; /* metadata input buffer */
int buflen; /* bytes read into buffer */
int reqlen; /* length of first request in buffer */
+ time_t last_ping_time; /* last time we saw some activity from the other end */
+ int want_ping; /* 0 if there's no need to check for activity */
struct conn_list_t *nexthop; /* nearest meta-hop in this direction */
struct conn_list_t *next; /* after all, it's a list of connections */
} conn_list_t;