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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
// Copyright 2024 Huawei Cloud Computing Technology Co., Ltd.
//
// 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 INCLUDED_SRC_BUILDTOOL_EXECUTION_API_COMMON_CONTENT_BLOB_CONTAINER_HPP
#define INCLUDED_SRC_BUILDTOOL_EXECUTION_API_COMMON_CONTENT_BLOB_CONTAINER_HPP
#include <cstddef>
#include <functional>
#include <memory>
#include <string>
#include <unordered_map>
#include <utility> //std::move
#include <vector>
#include "gsl/gsl"
#include "src/utils/cpp/hash_combine.hpp"
#include "src/utils/cpp/transformed_range.hpp"
template <typename TDigest>
struct ContentBlob final {
ContentBlob(TDigest mydigest, std::string mydata, bool is_exec) noexcept
: digest{std::move(mydigest)},
data{std::make_shared<std::string>(std::move(mydata))},
is_exec{is_exec} {}
ContentBlob(TDigest mydigest,
gsl::not_null<std::shared_ptr<std::string>> const& mydata,
bool is_exec) noexcept
: digest{std::move(mydigest)}, data(mydata), is_exec{is_exec} {}
[[nodiscard]] auto operator==(ContentBlob const& other) const noexcept
-> bool {
return std::equal_to<TDigest>{}(digest, other.digest) and
is_exec == other.is_exec;
}
TDigest digest;
std::shared_ptr<std::string> data;
bool is_exec = false;
};
namespace std {
template <typename TDigest>
struct hash<ContentBlob<TDigest>> {
[[nodiscard]] auto operator()(
ContentBlob<TDigest> const& blob) const noexcept -> std::size_t {
std::size_t seed{};
hash_combine(&seed, blob.digest);
hash_combine(&seed, blob.is_exec);
return seed;
}
};
} // namespace std
template <typename TDigest>
class ContentBlobContainer final {
public:
using DigestType = TDigest;
using BlobType = ContentBlob<TDigest>;
ContentBlobContainer() noexcept = default;
explicit ContentBlobContainer(std::vector<BlobType> blobs) {
blobs_.reserve(blobs.size());
for (auto& blob : blobs) {
this->Emplace(std::move(blob));
}
}
/// \brief Emplace new Blob to container.
void Emplace(BlobType&& blob) {
DigestType digest = blob.digest;
if (auto res = blobs_.emplace(std::move(digest), std::move(blob));
res.second) {
// only count size if blob was actually added
content_size_ += res.first->second.data->size();
}
}
/// \brief Clear all Blobs from container.
void Clear() noexcept {
blobs_.clear();
content_size_ = 0;
}
/// \brief Number of Blobs in container.
[[nodiscard]] auto Size() const noexcept -> std::size_t {
return blobs_.size();
}
/// \brief Collective size of the stored content in container.
[[nodiscard]] auto ContentSize() const noexcept -> std::size_t {
return content_size_;
}
/// \brief Is equivalent BazelBlob (with same Digest) in container.
/// \param[in] blob BazelBlob to search equivalent BazelBlob for
[[nodiscard]] auto Contains(BlobType const& blob) const noexcept -> bool {
return blobs_.contains(blob.digest);
}
/// \brief Obtain iterable list of Blobs from container.
[[nodiscard]] auto Blobs() const noexcept {
auto converter = [](auto const& p) -> BlobType const& {
return p.second;
};
return TransformedRange{
blobs_.cbegin(), blobs_.cend(), std::move(converter)};
}
/// \brief Obtain iterable list of Digests from container.
[[nodiscard]] auto Digests() const noexcept {
auto converter = [](auto const& p) -> DigestType const& {
return p.first;
};
return TransformedRange{
blobs_.cbegin(), blobs_.cend(), std::move(converter)};
}
/// \brief Obtain iterable list of BazelBlobs related to Digests.
/// \param[in] related Related Digests
[[nodiscard]] auto RelatedBlobs(
std::vector<DigestType> const& related) const noexcept {
auto converter = [this](auto const& digest) -> BlobType const& {
return blobs_.at(digest);
};
return TransformedRange{
related.begin(), related.end(), std::move(converter)};
};
private:
std::unordered_map<DigestType, BlobType> blobs_{};
std::size_t content_size_{};
};
#endif // INCLUDED_SRC_BUILDTOOL_EXECUTION_API_COMMON_CONTENT_BLOB_CONTAINER_HPP
|
