blob: d8701077494b2a0296f4ad9470cf6c271a48ba91 (
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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/*
*
* Copyright 2018 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_EXT_TRANSPORT_CHTTP2_TRANSPORT_CONTEXT_LIST_H
#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_CONTEXT_LIST_H
#include <grpc/support/port_platform.h>
#include "src/core/lib/iomgr/buffer_list.h"
#include "src/core/ext/transport/chttp2/transport/internal.h"
namespace grpc_core {
/** A list of RPC Contexts */
class ContextList {
public:
/* Creates a new element with \a context as the value and appends it to the
* list. */
static void Append(ContextList** head, grpc_chttp2_stream* s) {
/* Make sure context is not already present */
GRPC_CHTTP2_STREAM_REF(s, "timestamp");
#ifndef NDEBUG
ContextList* ptr = *head;
while (ptr != nullptr) {
if (ptr->s_ == s) {
GPR_ASSERT(
false &&
"Trying to append a stream that is already present in the list");
}
ptr = ptr->next_;
}
#endif
/* Create a new element in the list and add it at the front */
ContextList* elem = grpc_core::New<ContextList>();
elem->s_ = s;
elem->byte_offset_ = s->byte_counter;
elem->next_ = *head;
*head = elem;
}
/* Executes a function \a fn with each context in the list and \a ts. It also
* frees up the entire list after this operation. */
static void Execute(void* arg, grpc_core::Timestamps* ts, grpc_error* error);
private:
grpc_chttp2_stream* s_ = nullptr;
ContextList* next_ = nullptr;
size_t byte_offset_ = 0;
};
void grpc_http2_set_write_timestamps_callback(
void (*fn)(void*, grpc_core::Timestamps*));
} /* namespace grpc_core */
#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_CONTEXT_LIST_H */
|
