#include <stddef.h>
#include <stdint.h>
-struct buffer;
+struct ofpbuf;
struct flow;
-struct pollfd;
struct ofp_header;
+struct pvconn;
struct vconn;
-/* Client interface to vconns, which provide a virtual connection to an
- * OpenFlow device. */
+void vconn_usage(bool active, bool passive, bool bootstrap);
-void vconn_usage(bool active, bool passive);
-int vconn_open(const char *name, struct vconn **);
+/* Active vconns: virtual connections to OpenFlow devices. */
+int vconn_open(const char *name, int min_version, struct vconn **);
void vconn_close(struct vconn *);
const char *vconn_get_name(const struct vconn *);
-bool vconn_is_passive(const struct vconn *);
uint32_t vconn_get_ip(const struct vconn *);
int vconn_connect(struct vconn *);
-int vconn_accept(struct vconn *, struct vconn **);
-int vconn_recv(struct vconn *, struct buffer **);
-int vconn_send(struct vconn *, struct buffer *);
-int vconn_transact(struct vconn *, struct buffer *, struct buffer **);
+int vconn_recv(struct vconn *, struct ofpbuf **);
+int vconn_send(struct vconn *, struct ofpbuf *);
+int vconn_transact(struct vconn *, struct ofpbuf *, struct ofpbuf **);
-int vconn_open_block(const char *name, struct vconn **);
-int vconn_send_block(struct vconn *, struct buffer *);
-int vconn_recv_block(struct vconn *, struct buffer **);
+int vconn_open_block(const char *name, int min_version, struct vconn **);
+int vconn_send_block(struct vconn *, struct ofpbuf *);
+int vconn_recv_block(struct vconn *, struct ofpbuf **);
enum vconn_wait_type {
WAIT_CONNECT,
- WAIT_ACCEPT,
WAIT_RECV,
WAIT_SEND
};
void vconn_wait(struct vconn *, enum vconn_wait_type);
void vconn_connect_wait(struct vconn *);
-void vconn_accept_wait(struct vconn *);
void vconn_recv_wait(struct vconn *);
void vconn_send_wait(struct vconn *);
-void *make_openflow(size_t openflow_len, uint8_t type, struct buffer **);
+/* Passive vconns: virtual listeners for incoming OpenFlow connections. */
+int pvconn_open(const char *name, struct pvconn **);
+void pvconn_close(struct pvconn *);
+int pvconn_accept(struct pvconn *, int min_version, struct vconn **);
+void pvconn_wait(struct pvconn *);
+
+/* OpenFlow protocol utility functions. */
+void *make_openflow(size_t openflow_len, uint8_t type, struct ofpbuf **);
void *make_openflow_xid(size_t openflow_len, uint8_t type,
- uint32_t xid, struct buffer **);
-void update_openflow_length(struct buffer *);
-struct buffer *make_add_flow(const struct flow *, uint32_t buffer_id,
+ uint32_t xid, struct ofpbuf **);
+void update_openflow_length(struct ofpbuf *);
+struct ofpbuf *make_add_flow(const struct flow *, uint32_t buffer_id,
uint16_t max_idle, size_t n_actions);
-struct buffer *make_add_simple_flow(const struct flow *,
+struct ofpbuf *make_add_simple_flow(const struct flow *,
uint32_t buffer_id, uint16_t out_port,
uint16_t max_idle);
-struct buffer *make_buffered_packet_out(uint32_t buffer_id,
+struct ofpbuf *make_buffered_packet_out(uint32_t buffer_id,
uint16_t in_port, uint16_t out_port);
-struct buffer *make_unbuffered_packet_out(const struct buffer *packet,
+struct ofpbuf *make_unbuffered_packet_out(const struct ofpbuf *packet,
uint16_t in_port, uint16_t out_port);
-struct buffer *make_echo_request(void);
-struct buffer *make_echo_reply(const struct ofp_header *rq);
-
-extern struct vconn_class tcp_vconn_class;
-extern struct vconn_class ptcp_vconn_class;
-extern struct vconn_class unix_vconn_class;
-extern struct vconn_class punix_vconn_class;
-#ifdef HAVE_OPENSSL
-extern struct vconn_class ssl_vconn_class;
-extern struct vconn_class pssl_vconn_class;
-#endif
-#ifdef HAVE_NETLINK
-extern struct vconn_class netlink_vconn_class;
-#endif
+struct ofpbuf *make_echo_request(void);
+struct ofpbuf *make_echo_reply(const struct ofp_header *rq);
#endif /* vconn.h */