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
72
73
74
75
76
|
/*
*
* Copyright 2016, 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_INTERNAL_CORE_SURFACE_CHANNEL_INIT_H
#define GRPC_INTERNAL_CORE_SURFACE_CHANNEL_INIT_H
#include "src/core/channel/channel_stack_builder.h"
#include "src/core/surface/channel_stack_type.h"
#include "src/core/transport/transport.h"
// This module provides a way for plugins (and the grpc core library itself)
// to register mutators for channel stacks.
// It also provides a universal entry path to run those mutators to build
// a channel stack for various subsystems.
// One stage of mutation: call functions against \a builder to influence the
// finally constructed channel stack
typedef bool (*grpc_channel_init_stage)(grpc_channel_stack_builder *builder,
void *arg);
// Global initialization of the system
void grpc_channel_init_init(void);
// Register one stage of mutators.
// Stages are run in priority order (lowest to highest), and then in
// registration order (in the case of a tie).
// Stages are registered against one of the pre-determined channel stack
// types.
void grpc_channel_init_register_stage(grpc_channel_stack_type type,
int priority,
grpc_channel_init_stage stage,
void *stage_arg);
// Finalize registration. No more calls to grpc_channel_init_register_stage are
// allowed.
void grpc_channel_init_finalize(void);
// Shutdown the channel init system
void grpc_channel_init_shutdown(void);
// Construct a channel stack of some sort: see channel_stack.h for details
void *grpc_channel_init_create_stack(
grpc_exec_ctx *exec_ctx, grpc_channel_stack_type type, size_t prefix_bytes,
const grpc_channel_args *args, int initial_refs, grpc_iomgr_cb_func destroy,
void *destroy_arg, grpc_transport *optional_transport);
#endif // GRPC_INTERNAL_CORE_SURFACE_CHANNEL_INIT_H
|
