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c34b65c7 | 1 | /* |
c55acc2e | 2 | * Copyright (c) 2009, 2010, 2011 Nicira Networks. |
c34b65c7 BP |
3 | * |
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: | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
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. | |
15 | */ | |
16 | ||
17 | #ifndef STREAM_H | |
18 | #define STREAM_H 1 | |
19 | ||
c34b65c7 BP |
20 | #include <stdbool.h> |
21 | #include <stddef.h> | |
22 | #include <stdint.h> | |
c55acc2e | 23 | #include <sys/types.h> |
4408d18a | 24 | #include "openvswitch/types.h" |
1e3c0047 | 25 | #include "vlog.h" |
c34b65c7 | 26 | |
c34b65c7 BP |
27 | struct pstream; |
28 | struct stream; | |
29 | ||
9467fe62 | 30 | void stream_usage(const char *name, bool active, bool passive, bool bootstrap); |
c34b65c7 BP |
31 | |
32 | /* Bidirectional byte streams. */ | |
26ad129e | 33 | int stream_verify_name(const char *name); |
c34b65c7 | 34 | int stream_open(const char *name, struct stream **); |
766407ea | 35 | int stream_open_block(int error, struct stream **); |
c34b65c7 BP |
36 | void stream_close(struct stream *); |
37 | const char *stream_get_name(const struct stream *); | |
4408d18a BP |
38 | ovs_be32 stream_get_remote_ip(const struct stream *); |
39 | ovs_be16 stream_get_remote_port(const struct stream *); | |
40 | ovs_be32 stream_get_local_ip(const struct stream *); | |
41 | ovs_be16 stream_get_local_port(const struct stream *); | |
c34b65c7 BP |
42 | int stream_connect(struct stream *); |
43 | int stream_recv(struct stream *, void *buffer, size_t n); | |
44 | int stream_send(struct stream *, const void *buffer, size_t n); | |
45 | ||
539e96f6 BP |
46 | void stream_run(struct stream *); |
47 | void stream_run_wait(struct stream *); | |
48 | ||
c34b65c7 BP |
49 | enum stream_wait_type { |
50 | STREAM_CONNECT, | |
51 | STREAM_RECV, | |
52 | STREAM_SEND | |
53 | }; | |
54 | void stream_wait(struct stream *, enum stream_wait_type); | |
55 | void stream_connect_wait(struct stream *); | |
56 | void stream_recv_wait(struct stream *); | |
57 | void stream_send_wait(struct stream *); | |
58 | ||
59 | /* Passive streams: listeners for incoming stream connections. */ | |
26ad129e | 60 | int pstream_verify_name(const char *name); |
c34b65c7 BP |
61 | int pstream_open(const char *name, struct pstream **); |
62 | const char *pstream_get_name(const struct pstream *); | |
63 | void pstream_close(struct pstream *); | |
64 | int pstream_accept(struct pstream *, struct stream **); | |
8d76bcca | 65 | int pstream_accept_block(struct pstream *, struct stream **); |
c34b65c7 | 66 | void pstream_wait(struct pstream *); |
f39dc942 | 67 | \f |
cc1ad532 | 68 | /* Convenience functions. */ |
f39dc942 BP |
69 | |
70 | int stream_open_with_default_ports(const char *name, | |
71 | uint16_t default_tcp_port, | |
72 | uint16_t default_ssl_port, | |
73 | struct stream **); | |
74 | int pstream_open_with_default_ports(const char *name, | |
75 | uint16_t default_ptcp_port, | |
76 | uint16_t default_pssl_port, | |
77 | struct pstream **); | |
1e3c0047 BP |
78 | \f |
79 | /* Error reporting. */ | |
80 | ||
81 | enum stream_content_type { | |
82 | STREAM_UNKNOWN, | |
83 | STREAM_OPENFLOW, | |
84 | STREAM_SSL, | |
85 | STREAM_JSONRPC | |
86 | }; | |
87 | ||
c55acc2e | 88 | void stream_report_content(const void *, ssize_t, enum stream_content_type, |
480ce8ab | 89 | struct vlog_module *, const char *stream_name); |
c34b65c7 BP |
90 | |
91 | #endif /* stream.h */ |