2 * Copyright (c) 2009, 2010, 2011, 2013 Nicira, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
23 #include <sys/types.h>
24 #include "openvswitch/types.h"
26 #include "socket-util.h"
31 void stream_usage(const char *name, bool active, bool passive, bool bootstrap);
33 /* Bidirectional byte streams. */
34 int stream_verify_name(const char *name);
35 int stream_open(const char *name, struct stream **, uint8_t dscp);
36 int stream_open_block(int error, struct stream **);
37 void stream_close(struct stream *);
38 const char *stream_get_name(const struct stream *);
39 ovs_be32 stream_get_remote_ip(const struct stream *);
40 ovs_be16 stream_get_remote_port(const struct stream *);
41 ovs_be32 stream_get_local_ip(const struct stream *);
42 ovs_be16 stream_get_local_port(const struct stream *);
43 int stream_connect(struct stream *);
44 int stream_recv(struct stream *, void *buffer, size_t n);
45 int stream_send(struct stream *, const void *buffer, size_t n);
47 void stream_run(struct stream *);
48 void stream_run_wait(struct stream *);
50 enum stream_wait_type {
55 void stream_wait(struct stream *, enum stream_wait_type);
56 void stream_connect_wait(struct stream *);
57 void stream_recv_wait(struct stream *);
58 void stream_send_wait(struct stream *);
60 /* Passive streams: listeners for incoming stream connections. */
61 int pstream_verify_name(const char *name);
62 int pstream_open(const char *name, struct pstream **, uint8_t dscp);
63 const char *pstream_get_name(const struct pstream *);
64 void pstream_close(struct pstream *);
65 int pstream_accept(struct pstream *, struct stream **);
66 int pstream_accept_block(struct pstream *, struct stream **);
67 void pstream_wait(struct pstream *);
68 int pstream_set_dscp(struct pstream *, uint8_t dscp);
70 ovs_be16 pstream_get_bound_port(const struct pstream *);
72 /* Convenience functions. */
74 int stream_open_with_default_port(const char *name,
75 uint16_t default_port,
78 int pstream_open_with_default_port(const char *name,
79 uint16_t default_port,
82 bool stream_parse_target_with_default_port(const char *target,
83 uint16_t default_port,
84 struct sockaddr_storage *ss);
85 int stream_or_pstream_needs_probes(const char *name);
87 /* Error reporting. */
89 enum stream_content_type {
96 void stream_report_content(const void *, ssize_t, enum stream_content_type,
97 struct vlog_module *, const char *stream_name);