relay_read_http
outrd = relay_read_http;
inrd = relay_read_http;
bev->readcb = relay_read_http;
if (EVBUFFER_LENGTH(src) && bev->readcb != relay_read_http)
bev->readcb = relay_read_http;
bev->readcb = relay_read_http;
void relay_read_http(struct bufferevent *, void *);