#include <event.h>

struct sendbuf {
  struct event_base *ev_base;
  struct event *ev_timer;
  struct timeval ev_timer_tv;
  int   sndbuf_max;
  int   msec_max;
  int (*send_func)(void *, int, void *);
  void *usrdata;
  void *buffer;
  int   buffer_size;
  int   buffer_pos;
  int   flushing;
  int   flushed_len;
};

struct sendbuf *sendbuf_init(struct event_base *, int, int,
                             int (*send_func)(void *, int, void *), void *);
void            sendbuf_shutdown(struct sendbuf *);
void           *sendbuf_gettoken(struct sendbuf *, int);