1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef GRPC_CORE_LIB_IOMGR_TCP_POSIX_H
#define GRPC_CORE_LIB_IOMGR_TCP_POSIX_H
/*
Low level TCP "bottom half" implementation, for use by transports built on
top of a TCP connection.
Note that this file does not (yet) include APIs for creating the socket in
the first place.
All calls passing slice transfer ownership of a slice refcount unless
otherwise specified.
*/
#include "src/core/lib/iomgr/endpoint.h"
#include "src/core/lib/iomgr/ev_posix.h"
#define GRPC_TCP_DEFAULT_READ_SLICE_SIZE 8192
extern int grpc_tcp_trace;
/* Create a tcp endpoint given a file desciptor and a read slice size.
Takes ownership of fd. */
grpc_endpoint *grpc_tcp_create(grpc_fd *fd, grpc_resource_quota *resource_quota,
size_t read_slice_size, const char *peer_string);
/* Return the tcp endpoint's fd, or -1 if this is not available. Does not
release the fd.
Requires: ep must be a tcp endpoint.
*/
int grpc_tcp_fd(grpc_endpoint *ep);
/* Destroy the tcp endpoint without closing its fd. *fd will be set and done
* will be called when the endpoint is destroyed.
* Requires: ep must be a tcp endpoint and fd must not be NULL. */
void grpc_tcp_destroy_and_release_fd(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
int *fd, grpc_closure *done);
#endif /* GRPC_CORE_LIB_IOMGR_TCP_POSIX_H */
|
