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c34b65c7 | 1 | /* |
26ad129e | 2 | * Copyright (c) 2009, 2010 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> | |
1e3c0047 | 23 | #include "vlog.h" |
c34b65c7 | 24 | |
c34b65c7 BP |
25 | struct pstream; |
26 | struct stream; | |
27 | ||
9467fe62 | 28 | void stream_usage(const char *name, bool active, bool passive, bool bootstrap); |
c34b65c7 BP |
29 | |
30 | /* Bidirectional byte streams. */ | |
26ad129e | 31 | int stream_verify_name(const char *name); |
c34b65c7 | 32 | int stream_open(const char *name, struct stream **); |
766407ea | 33 | int stream_open_block(int error, struct stream **); |
c34b65c7 BP |
34 | void stream_close(struct stream *); |
35 | const char *stream_get_name(const struct stream *); | |
36 | uint32_t stream_get_remote_ip(const struct stream *); | |
37 | uint16_t stream_get_remote_port(const struct stream *); | |
38 | uint32_t stream_get_local_ip(const struct stream *); | |
39 | uint16_t stream_get_local_port(const struct stream *); | |
40 | int stream_connect(struct stream *); | |
41 | int stream_recv(struct stream *, void *buffer, size_t n); | |
42 | int stream_send(struct stream *, const void *buffer, size_t n); | |
43 | ||
539e96f6 BP |
44 | void stream_run(struct stream *); |
45 | void stream_run_wait(struct stream *); | |
46 | ||
c34b65c7 BP |
47 | enum stream_wait_type { |
48 | STREAM_CONNECT, | |
49 | STREAM_RECV, | |
50 | STREAM_SEND | |
51 | }; | |
52 | void stream_wait(struct stream *, enum stream_wait_type); | |
53 | void stream_connect_wait(struct stream *); | |
54 | void stream_recv_wait(struct stream *); | |
55 | void stream_send_wait(struct stream *); | |
56 | ||
57 | /* Passive streams: listeners for incoming stream connections. */ | |
26ad129e | 58 | int pstream_verify_name(const char *name); |
c34b65c7 BP |
59 | int pstream_open(const char *name, struct pstream **); |
60 | const char *pstream_get_name(const struct pstream *); | |
61 | void pstream_close(struct pstream *); | |
62 | int pstream_accept(struct pstream *, struct stream **); | |
8d76bcca | 63 | int pstream_accept_block(struct pstream *, struct stream **); |
c34b65c7 | 64 | void pstream_wait(struct pstream *); |
f39dc942 | 65 | \f |
cc1ad532 | 66 | /* Convenience functions. */ |
f39dc942 BP |
67 | |
68 | int stream_open_with_default_ports(const char *name, | |
69 | uint16_t default_tcp_port, | |
70 | uint16_t default_ssl_port, | |
71 | struct stream **); | |
72 | int pstream_open_with_default_ports(const char *name, | |
73 | uint16_t default_ptcp_port, | |
74 | uint16_t default_pssl_port, | |
75 | struct pstream **); | |
1e3c0047 BP |
76 | \f |
77 | /* Error reporting. */ | |
78 | ||
79 | enum stream_content_type { | |
80 | STREAM_UNKNOWN, | |
81 | STREAM_OPENFLOW, | |
82 | STREAM_SSL, | |
83 | STREAM_JSONRPC | |
84 | }; | |
85 | ||
86 | void stream_report_content(const void *, size_t, enum stream_content_type, | |
480ce8ab | 87 | struct vlog_module *, const char *stream_name); |
c34b65c7 BP |
88 | |
89 | #endif /* stream.h */ |