blob: bdfc4d3af0b30365a04aa6467b5083c86dcd1b72 (
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
|
/*
* Copyright (c) 2021 Cisco and/or its affiliates.
* 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.
*/
#pragma once
#include <hicn/transport/errors/not_implemented_exception.h>
namespace transport {
namespace protocol {
namespace fec {
template <typename T>
struct FecInfo {
static bool isFec() { throw errors::NotImplementedException(); }
static uint32_t nextSymbol(uint32_t index) {
throw errors::NotImplementedException();
}
static uint32_t nextSource(uint32_t index) {
throw errors::NotImplementedException();
}
};
template <uint32_t K, uint32_t N>
struct Code {};
template <uint32_t K, uint32_t N>
struct FecInfo<Code<K, N>> {
static bool isFec(uint32_t index) { return (index % N) >= K; }
static uint32_t nextSymbol(uint32_t index) {
if (isFec(index)) {
return index;
}
return index + (K - (index % N));
}
static uint32_t nextSource(uint32_t index) {
if (!isFec(index)) {
return index;
}
return index + (N - (index % N));
}
};
} // namespace fec
} // namespace protocol
} // namespace transport
|
