aboutsummaryrefslogtreecommitdiffhomepage
path: root/src/core/lib/channel/context.h
blob: 5daf48a9a9e95535ce66120902e494f367d790f1 (plain)
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
/*
 *
 * Copyright 2015 gRPC authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

#ifndef GRPC_CORE_LIB_CHANNEL_CONTEXT_H
#define GRPC_CORE_LIB_CHANNEL_CONTEXT_H

/// Call object context pointers.

/// Call context is represented as an array of \a grpc_call_context_elements.
/// This enum represents the indexes into the array, where each index
/// contains a different type of value.
typedef enum {
  /// Value is either a \a grpc_client_security_context or a
  /// \a grpc_server_security_context.
  GRPC_CONTEXT_SECURITY = 0,

  /// Value is a \a census_context.
  GRPC_CONTEXT_TRACING,

  /// Reserved for traffic_class_context.
  GRPC_CONTEXT_TRAFFIC,

  /// Value is a \a grpc_grpclb_client_stats.
  GRPC_GRPCLB_CLIENT_STATS,

  GRPC_CONTEXT_COUNT
} grpc_context_index;

typedef struct {
  void* value;
  void (*destroy)(void*);
} grpc_call_context_element;

#endif /* GRPC_CORE_LIB_CHANNEL_CONTEXT_H */