GCC Code Coverage Report

Directory: cvmfs/
File: cvmfs/ingestion/item.cc
Date: 2026-05-19 11:45:12
Exec Total Coverage
Lines: 142 142 100.0%
Branches: 35 64 54.7%
Line Branch Exec Source
1 /**
2 * This file is part of the CernVM File System.
3 */
4
5 #include "item.h"
6
7 #include <algorithm>
8 #include <cassert>
9 #include <cstdlib>
10 #include <cstring>
11
12 #include "ingestion/ingestion_source.h"
13 #include "item_mem.h"
14 #include "util/concurrency.h"
15 #include "util/smalloc.h"
16
17 7098030 FileItem::FileItem(IngestionSource *source,
18 uint64_t min_chunk_size,
19 uint64_t avg_chunk_size,
20 uint64_t max_chunk_size,
21 zlib::Algorithms compression_algorithm,
22 shash::Algorithms hash_algorithm,
23 shash::Suffix hash_suffix,
24 bool may_have_chunks,
25 7098030 bool has_legacy_bulk_chunk)
26 7098030 : source_(source)
27 7098030 , compression_algorithm_(compression_algorithm)
28 7098030 , hash_algorithm_(hash_algorithm)
29 7098030 , hash_suffix_(hash_suffix)
30 7098030 , has_legacy_bulk_chunk_(has_legacy_bulk_chunk)
31 7098030 , size_(kSizeUnknown)
32 7098030 , may_have_chunks_(may_have_chunks)
33
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 7098030 , chunk_detector_(min_chunk_size, avg_chunk_size, max_chunk_size)
34
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 7098030 , bulk_hash_(hash_algorithm)
35
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 14196060 , chunks_(1) {
36 7098030 const int retval = pthread_mutex_init(&lock_, NULL);
37
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 7098030 assert(retval == 0);
38 7098030 atomic_init64(&nchunks_in_fly_);
39 7098030 atomic_init32(&is_fully_chunked_);
40 7098030 }
41
42 7092515 FileItem::~FileItem() { pthread_mutex_destroy(&lock_); }
43
44 7015757 void FileItem::RegisterChunk(const FileChunk &file_chunk) {
45 7015757 const MutexLockGuard lock_guard(lock_);
46
47
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 7015757 switch (file_chunk.content_hash().suffix) {
48 13020 case shash::kSuffixPartial:
49
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 13020 chunks_.PushBack(file_chunk);
50 13020 break;
51
52 7002737 default:
53
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 7002737 assert(file_chunk.offset() == 0);
54
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 7002737 assert(file_chunk.size() == size_);
55 7002737 bulk_hash_ = file_chunk.content_hash();
56 7002737 break;
57 }
58 7015757 atomic_dec64(&nchunks_in_fly_);
59 7015757 }
60
61
62 //------------------------------------------------------------------------------
63
64
65 7248416 ChunkItem::ChunkItem(FileItem *file_item, uint64_t offset)
66 7242564 : file_item_(file_item)
67 7242564 , offset_(offset)
68 7242564 , size_(0)
69 7242564 , is_bulk_chunk_(false)
70 7242564 , upload_handle_(NULL)
71
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 7248416 , compressor_(NULL) {
72 7247268 hash_ctx_.algorithm = file_item->hash_algorithm();
73
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 7245252 hash_ctx_.size = shash::GetContextSize(hash_ctx_.algorithm);
74 7243628 hash_ctx_.buffer = hash_ctx_buffer_;
75
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 7243628 shash::Init(hash_ctx_);
76 7241500 hash_value_.algorithm = hash_ctx_.algorithm;
77 7241500 hash_value_.suffix = shash::kSuffixPartial;
78 7241500 file_item_->IncNchunksInFly();
79 7256312 }
80
81
82 6987120 void ChunkItem::MakeBulkChunk() {
83 6987120 is_bulk_chunk_ = true;
84 6987120 hash_value_.suffix = file_item_->hash_suffix();
85 6985524 }
86
87
88 16171147 zlib::Compressor *ChunkItem::GetCompressor() {
89
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 16171147 if (!compressor_.IsValid()) {
90 compressor_ = zlib::Compressor::Construct(
91
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 6982458 file_item_->compression_algorithm());
92 }
93 16192007 return compressor_.weak_ref();
94 }
95
96
97 6997522 void ChunkItem::ReleaseCompressor() { compressor_.Destroy(); }
98
99
100 //------------------------------------------------------------------------------
101
102 atomic_int64 BlockItem::managed_bytes_ = 0;
103
104
105 137496 BlockItem::BlockItem(ItemAllocator *allocator)
106 137496 : allocator_(allocator)
107 137496 , type_(kBlockHollow)
108 137496 , tag_(-1)
109 137496 , file_item_(NULL)
110 137496 , chunk_item_(NULL)
111 137496 , data_(NULL)
112 137496 , capacity_(0)
113 137496 , size_(0) { }
114
115
116 52237407 BlockItem::BlockItem(int64_t tag, ItemAllocator *allocator)
117 51870859 : allocator_(allocator)
118 51870859 , type_(kBlockHollow)
119 51870859 , tag_(tag)
120 51870859 , file_item_(NULL)
121 51870859 , chunk_item_(NULL)
122 51870859 , data_(NULL)
123 51870859 , capacity_(0)
124 52237407 , size_(0) {
125
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 51870859 assert(tag_ >= 0);
126 51870859 }
127
128
129 52114238 BlockItem::~BlockItem() {
130
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 52114238 if (data_)
131 22471631 allocator_->Free(data_);
132 52141090 atomic_xadd64(&managed_bytes_, -static_cast<int64_t>(capacity_));
133 52540944 }
134
135
136 7709449 void BlockItem::Discharge() {
137 7709449 data_ = NULL;
138 7709449 size_ = capacity_ = 0;
139 7709449 }
140
141
142 21123137 void BlockItem::MakeStop() {
143
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 21123137 assert(type_ == kBlockHollow);
144 21123137 type_ = kBlockStop;
145 21123137 }
146
147
148 10829045 void BlockItem::MakeData(uint32_t capacity) {
149
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 10829045 assert(type_ == kBlockHollow);
150
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 10829045 assert(allocator_ != NULL);
151
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 10829045 assert(capacity > 0);
152
153 10829045 type_ = kBlockData;
154 10829045 capacity_ = capacity;
155 10829045 data_ = reinterpret_cast<unsigned char *>(allocator_->Malloc(capacity_));
156 10862057 atomic_xadd64(&managed_bytes_, static_cast<int64_t>(capacity_));
157 10866061 }
158
159
160 /**
161 * Move data from one block to another.
162 */
163 7708469 void BlockItem::MakeDataMove(BlockItem *other) {
164
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 7708469 assert(type_ == kBlockHollow);
165
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 7708469 assert(other->type_ == kBlockData);
166
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 7708469 assert(other->size_ > 0);
167
168 7708469 type_ = kBlockData;
169 7708469 capacity_ = size_ = other->size_;
170 7708469 data_ = other->data_;
171 7708469 allocator_ = other->allocator_;
172
173 7708469 other->Discharge();
174 7706957 }
175
176
177 /**
178 * Copy a piece of one block's data into a new block.
179 */
180 12884085 void BlockItem::MakeDataCopy(const unsigned char *data, uint32_t size) {
181
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 12884085 assert(type_ == kBlockHollow);
182
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 12884085 assert(allocator_ != NULL);
183
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 12884085 assert(size > 0);
184
185 12884085 type_ = kBlockData;
186 12884085 capacity_ = size_ = size;
187 12884085 data_ = reinterpret_cast<unsigned char *>(allocator_->Malloc(capacity_));
188 12902656 memcpy(data_, data, size);
189 12902656 atomic_xadd64(&managed_bytes_, static_cast<int64_t>(capacity_));
190 12897105 }
191
192
193 1257228 void BlockItem::Reset() {
194
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 1257228 assert(type_ == kBlockData);
195
196 1257228 atomic_xadd64(&managed_bytes_, -static_cast<int64_t>(capacity_));
197 1257536 allocator_->Free(data_);
198 1257676 data_ = NULL;
199 1257676 size_ = capacity_ = 0;
200 1257676 type_ = kBlockHollow;
201 1257676 }
202
203
204 36255456 void BlockItem::SetChunkItem(ChunkItem *value) {
205
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 36255456 assert(value != NULL);
206
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 36255456 assert(chunk_item_ == NULL);
207 36255456 chunk_item_ = value;
208 36255456 }
209
210
211 51728290 void BlockItem::SetFileItem(FileItem *value) {
212
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 51728290 assert(value != NULL);
213
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 51728290 assert(file_item_ == NULL);
214 51728290 file_item_ = value;
215 51728290 }
216
217
218 25088 uint32_t BlockItem::Write(void *buf, uint32_t count) {
219
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 25088 assert(type_ == kBlockData);
220
221 25088 const uint32_t remaining = capacity_ - size_;
222 25088 const uint32_t nbytes = std::min(remaining, count);
223 25088 memcpy(data_ + size_, buf, nbytes);
224 25088 size_ += nbytes;
225 25088 return nbytes;
226 }
227