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/*
* Copyright (c) 2008-2016 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef OPENVSWITCH_VCONN_H
#define OPENVSWITCH_VCONN_H 1
#include <stdbool.h>
#include "openvswitch/list.h"
#include "openvswitch/types.h"
#include "openvswitch/ofp-protocol.h"
#include "openflow/openflow.h"
#ifdef __cplusplus
extern "C" {
#endif
struct ofpbuf;
struct ofputil_flow_stats;
struct ofputil_flow_stats_request;
struct pvconn;
struct pvconn_class;
struct vconn;
struct vconn_class;
void vconn_usage(bool active, bool passive, bool bootstrap);
/* Active vconns: virtual connections to OpenFlow devices. */
int vconn_verify_name(const char *name);
int vconn_open(const char *name, uint32_t allowed_versions, uint8_t dscp,
struct vconn **vconnp);
void vconn_close(struct vconn *);
const char *vconn_get_name(const struct vconn *);
uint32_t vconn_get_allowed_versions(const struct vconn *vconn);
void vconn_set_allowed_versions(struct vconn *vconn,
uint32_t allowed_versions);
int vconn_get_version(const struct vconn *);
void vconn_set_recv_any_version(struct vconn *);
int vconn_connect(struct vconn *);
int vconn_recv(struct vconn *, struct ofpbuf **);
int vconn_send(struct vconn *, struct ofpbuf *);
int vconn_recv_xid(struct vconn *, ovs_be32 xid, struct ofpbuf **);
int vconn_transact(struct vconn *, struct ofpbuf *, struct ofpbuf **);
int vconn_transact_noreply(struct vconn *, struct ofpbuf *, struct ofpbuf **);
int vconn_transact_multiple_noreply(struct vconn *, struct ovs_list *requests,
struct ofpbuf **replyp);
int vconn_transact_multipart(struct vconn *, struct ovs_list *request,
struct ovs_list *replies);
int vconn_dump_flows(struct vconn *, const struct ofputil_flow_stats_request *,
enum ofputil_protocol,
struct ofputil_flow_stats **fsesp, size_t *n_fsesp);
int vconn_bundle_transact(struct vconn *, struct ovs_list *requests,
uint16_t bundle_flags,
struct ovs_list *errors);
void vconn_run(struct vconn *);
void vconn_run_wait(struct vconn *);
int vconn_get_status(const struct vconn *);
int vconn_open_block(const char *name, uint32_t allowed_versions, uint8_t dscp,
long long int timeout, struct vconn **);
int vconn_connect_block(struct vconn *, long long int timeout);
int vconn_send_block(struct vconn *, struct ofpbuf *);
int vconn_recv_block(struct vconn *, struct ofpbuf **);
enum vconn_wait_type {
WAIT_CONNECT,
WAIT_RECV,
WAIT_SEND
};
void vconn_wait(struct vconn *, enum vconn_wait_type);
void vconn_connect_wait(struct vconn *);
void vconn_recv_wait(struct vconn *);
void vconn_send_wait(struct vconn *);
/* Passive vconns: virtual listeners for incoming OpenFlow connections. */
int pvconn_verify_name(const char *name);
int pvconn_open(const char *name, uint32_t allowed_versions, uint8_t dscp,
struct pvconn **pvconnp);
const char *pvconn_get_name(const struct pvconn *);
void pvconn_close(struct pvconn *);
int pvconn_accept(struct pvconn *, struct vconn **);
void pvconn_wait(struct pvconn *);
#ifdef __cplusplus
}
#endif
#endif /* vconn.h */
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