mirror of
https://github.com/openvswitch/ovs
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d5579e4808
Found by inspection. Signed-off-by: Andy Zhou <azhou@ovn.org> Acked-by: Russell Bryant <russell@ovn.org>
96 lines
3.2 KiB
C
96 lines
3.2 KiB
C
/*
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* Copyright (c) 2009, 2010, 2011, 2013, 2015 Nicira, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef STREAM_H
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#define STREAM_H 1
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include "openvswitch/types.h"
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#include "socket-util.h"
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#include "util.h"
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struct pstream;
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struct stream;
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struct vlog_module;
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void stream_usage(const char *name, bool active, bool passive, bool bootstrap);
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/* Bidirectional byte streams. */
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int stream_verify_name(const char *name);
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int stream_open(const char *name, struct stream **, uint8_t dscp);
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int stream_open_block(int error, struct stream **);
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void stream_close(struct stream *);
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const char *stream_get_name(const struct stream *);
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int stream_connect(struct stream *);
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int stream_recv(struct stream *, void *buffer, size_t n);
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int stream_send(struct stream *, const void *buffer, size_t n);
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void stream_run(struct stream *);
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void stream_run_wait(struct stream *);
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enum stream_wait_type {
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STREAM_CONNECT,
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STREAM_RECV,
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STREAM_SEND
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};
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void stream_wait(struct stream *, enum stream_wait_type);
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void stream_connect_wait(struct stream *);
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void stream_recv_wait(struct stream *);
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void stream_send_wait(struct stream *);
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/* Passive streams: listeners for incoming stream connections. */
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int pstream_verify_name(const char *name);
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int pstream_open(const char *name, struct pstream **, uint8_t dscp);
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const char *pstream_get_name(const struct pstream *);
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void pstream_close(struct pstream *);
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int pstream_accept(struct pstream *, struct stream **);
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int pstream_accept_block(struct pstream *, struct stream **);
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void pstream_wait(struct pstream *);
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ovs_be16 pstream_get_bound_port(const struct pstream *);
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/* Convenience functions. */
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int stream_open_with_default_port(const char *name,
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uint16_t default_port,
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struct stream **,
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uint8_t dscp);
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int pstream_open_with_default_port(const char *name,
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uint16_t default_port,
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struct pstream **,
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uint8_t dscp);
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bool stream_parse_target_with_default_port(const char *target,
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uint16_t default_port,
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struct sockaddr_storage *ss);
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int stream_or_pstream_needs_probes(const char *name);
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/* Error reporting. */
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enum stream_content_type {
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STREAM_UNKNOWN,
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STREAM_OPENFLOW,
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STREAM_SSL,
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STREAM_JSONRPC
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};
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void stream_report_content(const void *, ssize_t, enum stream_content_type,
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struct vlog_module *, const char *stream_name);
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#endif /* stream.h */
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