GRPC Core  9.0.0
context_list.h
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1 /*
2  *
3  * Copyright 2018 gRPC authors.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  */
18 
19 #ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_CONTEXT_LIST_H
20 #define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_CONTEXT_LIST_H
21 
23 
25 
27 
28 namespace grpc_core {
30 class ContextList {
31  public:
32  /* Creates a new element with \a context as the value and appends it to the
33  * list. */
34  static void Append(ContextList** head, grpc_chttp2_stream* s);
35 
36  /* Executes a function \a fn with each context in the list and \a ts. It also
37  * frees up the entire list after this operation. It is intended as a callback
38  * and hence does not take a ref on \a error */
39  static void Execute(void* arg, grpc_core::Timestamps* ts, grpc_error* error);
40 
41  private:
42  void* trace_context_ = nullptr;
43  ContextList* next_ = nullptr;
44  size_t byte_offset_ = 0;
45 };
46 
47 void grpc_http2_set_write_timestamps_callback(void (*fn)(void*,
49  grpc_error* error));
50 void grpc_http2_set_fn_get_copied_context(void* (*fn)(void*));
51 } /* namespace grpc_core */
52 
53 #endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_CONTEXT_LIST_H */
A list of RPC Contexts.
Definition: context_list.h:30
static void Append(ContextList **head, grpc_chttp2_stream *s)
Definition: context_list.cc:30
static void Execute(void *arg, grpc_core::Timestamps *ts, grpc_error *error)
Definition: context_list.cc:43
Round Robin Policy.
Definition: backend_metric.cc:24
void grpc_http2_set_write_timestamps_callback(void(*fn)(void *, grpc_core::Timestamps *, grpc_error *error))
Definition: context_list.cc:60
void grpc_http2_set_fn_get_copied_context(void *(*fn)(void *))
Definition: context_list.cc:66
Definition: internal.h:508
Definition: buffer_list.h:90
Definition: error_internal.h:39