int stream_open_block(int error, struct stream **);
void stream_close(struct stream *);
const char *stream_get_name(const struct stream *);
-ovs_be32 stream_get_remote_ip(const struct stream *);
-ovs_be16 stream_get_remote_port(const struct stream *);
-ovs_be32 stream_get_local_ip(const struct stream *);
-ovs_be16 stream_get_local_port(const struct stream *);
int stream_connect(struct stream *);
int stream_recv(struct stream *, void *buffer, size_t n);
int stream_send(struct stream *, const void *buffer, size_t n);