GCC Code Coverage Report

Directory: cvmfs/
File: cvmfs/ingestion/item.cc
Date: 2026-09-13 02:40:16
Exec Total Coverage
Lines: 143 143 100.0%
Branches: 34 62 54.8%
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 5060965 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 5060965 bool has_legacy_bulk_chunk)
26 5060965 : source_(source)
27 5060965 , compression_algorithm_(compression_algorithm)
28 5060965 , hash_algorithm_(hash_algorithm)
29 5060965 , hash_suffix_(hash_suffix)
30 5060965 , has_legacy_bulk_chunk_(has_legacy_bulk_chunk)
31 5060965 , size_(kSizeUnknown)
32 5060965 , may_have_chunks_(may_have_chunks)
33
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 5060965 , chunk_detector_(min_chunk_size, avg_chunk_size, max_chunk_size)
34
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 5060965 , bulk_hash_(hash_algorithm)
35
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 10121930 , chunks_(1) {
36 5060965 const int retval = pthread_mutex_init(&lock_, NULL);
37
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 5060965 assert(retval == 0);
38 5060965 atomic_init64(&nchunks_in_fly_);
39 5060965 atomic_init32(&is_fully_chunked_);
40 5060965 }
41
42 5057453 FileItem::~FileItem() { pthread_mutex_destroy(&lock_); }
43
44 5010381 void FileItem::RegisterChunk(const FileChunk &file_chunk) {
45 5010381 const MutexLockGuard lock_guard(lock_);
46
47
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 5010381 switch (file_chunk.content_hash().suffix) {
48 8692 case shash::kSuffixPartial:
49
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 8692 chunks_.PushBack(file_chunk);
50 8692 break;
51
52 5001689 default:
53
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 5001689 assert(file_chunk.offset() == 0);
54
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 5001689 assert(file_chunk.size() == size_);
55 5001689 bulk_hash_ = file_chunk.content_hash();
56 5001689 break;
57 }
58 5010381 atomic_dec64(&nchunks_in_fly_);
59 5010381 }
60
61
62 //------------------------------------------------------------------------------
63
64
65 5085497 ChunkItem::ChunkItem(FileItem *file_item, uint64_t offset)
66 5084757 : file_item_(file_item)
67 5084757 , offset_(offset)
68 5084757 , size_(0)
69 5084757 , is_bulk_chunk_(false)
70 5084757 , upload_handle_(NULL)
71
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 5085497 , compressor_(nullptr) {
72 5084777 hash_ctx_.algorithm = file_item->hash_algorithm();
73
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 5084837 hash_ctx_.size = shash::GetContextSize(hash_ctx_.algorithm);
74 5084197 hash_ctx_.buffer = hash_ctx_buffer_;
75
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 5084197 shash::Init(hash_ctx_);
76 5084517 hash_value_.algorithm = hash_ctx_.algorithm;
77 5084517 hash_value_.suffix = shash::kSuffixPartial;
78 5084517 file_item_->IncNchunksInFly();
79 5088617 }
80
81
82 4995397 void ChunkItem::MakeBulkChunk() {
83 4995397 is_bulk_chunk_ = true;
84 4995397 hash_value_.suffix = file_item_->hash_suffix();
85 4994117 }
86
87
88 11638199 zlib::Compressor *ChunkItem::GetCompressor() {
89
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 11638199 if (compressor_.get() == nullptr) {
90 10015630 compressor_ = std::unique_ptr<zlib::Compressor>(
91
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 15020875 zlib::Compressor::Construct(file_item_->compression_algorithm()));
92 }
93 11642179 return compressor_.get();
94 }
95
96
97 5007465 void ChunkItem::ReleaseCompressor() { compressor_.reset(); }
98
99
100 //------------------------------------------------------------------------------
101
102 atomic_int64 BlockItem::managed_bytes_ = 0;
103
104
105 80176 BlockItem::BlockItem(ItemAllocator *allocator)
106 80176 : allocator_(allocator)
107 80176 , type_(kBlockHollow)
108 80176 , tag_(-1)
109 80176 , file_item_(NULL)
110 80176 , chunk_item_(NULL)
111 80176 , data_(NULL)
112 80176 , capacity_(0)
113 80176 , size_(0) { }
114
115
116 36415732 BlockItem::BlockItem(int64_t tag, ItemAllocator *allocator)
117 36391212 : allocator_(allocator)
118 36391212 , type_(kBlockHollow)
119 36391212 , tag_(tag)
120 36391212 , file_item_(NULL)
121 36391212 , chunk_item_(NULL)
122 36391212 , data_(NULL)
123 36391212 , capacity_(0)
124 36415732 , size_(0) {
125
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 36391212 assert(tag_ >= 0);
126 36391212 }
127
128
129 36501762 BlockItem::~BlockItem() {
130
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 36501762 if (data_)
131 15150627 allocator_->Free(data_);
132 36506262 atomic_xadd64(&managed_bytes_, -static_cast<int64_t>(capacity_));
133 36537533 }
134
135
136 5521102 void BlockItem::Discharge() {
137 5521102 data_ = NULL;
138 5521102 size_ = capacity_ = 0;
139 5521102 }
140
141
142 15086011 void BlockItem::MakeStop() {
143
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 15086011 assert(type_ == kBlockHollow);
144 15086011 type_ = kBlockStop;
145 15086011 }
146
147
148 7746440 void BlockItem::MakeData(uint32_t capacity) {
149
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 7746440 assert(type_ == kBlockHollow);
150
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 7746440 assert(allocator_ != NULL);
151
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 7746440 assert(capacity > 0);
152
153 7746440 type_ = kBlockData;
154 7746440 capacity_ = capacity;
155 7746440 data_ = reinterpret_cast<unsigned char *>(allocator_->Malloc(capacity_));
156 7750600 atomic_xadd64(&managed_bytes_, static_cast<int64_t>(capacity_));
157 7750740 }
158
159
160 /**
161 * Move data from one block to another.
162 */
163 5520842 void BlockItem::MakeDataMove(BlockItem *other) {
164
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 5520842 assert(type_ == kBlockHollow);
165
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 5520842 assert(other->type_ == kBlockData);
166
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 5520842 assert(other->size_ > 0);
167
168 5520842 type_ = kBlockData;
169 5520842 capacity_ = size_ = other->size_;
170 5520842 data_ = other->data_;
171 5520842 allocator_ = other->allocator_;
172
173 5520842 other->Discharge();
174 5520222 }
175
176
177 /**
178 * Copy a piece of one block's data into a new block.
179 */
180 8094427 void BlockItem::MakeDataCopy(const unsigned char *data, uint32_t size) {
181
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 8094427 assert(type_ == kBlockHollow);
182
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 8094427 assert(allocator_ != NULL);
183
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 8094427 assert(size > 0);
184
185 8094427 type_ = kBlockData;
186 8094427 capacity_ = size_ = size;
187 8094427 data_ = reinterpret_cast<unsigned char *>(allocator_->Malloc(capacity_));
188 8110487 memcpy(data_, data, size);
189 8110487 atomic_xadd64(&managed_bytes_, static_cast<int64_t>(capacity_));
190 8107283 }
191
192
193 707956 void BlockItem::Reset() {
194
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 707956 assert(type_ == kBlockData);
195
196 707956 atomic_xadd64(&managed_bytes_, -static_cast<int64_t>(capacity_));
197 708076 allocator_->Free(data_);
198 708076 data_ = NULL;
199 708076 size_ = capacity_ = 0;
200 708076 type_ = kBlockHollow;
201 708076 }
202
203
204 25189225 void BlockItem::SetChunkItem(ChunkItem *value) {
205
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 25189225 assert(value != NULL);
206
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 25189225 assert(chunk_item_ == NULL);
207 25189225 chunk_item_ = value;
208 25189225 }
209
210
211 36377432 void BlockItem::SetFileItem(FileItem *value) {
212
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 36377432 assert(value != NULL);
213
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 36377432 assert(file_item_ == NULL);
214 36377432 file_item_ = value;
215 36377432 }
216
217
218 8192 uint32_t BlockItem::Write(void *buf, uint32_t count) {
219
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 8192 assert(type_ == kBlockData);
220
221 8192 const uint32_t remaining = capacity_ - size_;
222 8192 const uint32_t nbytes = std::min(remaining, count);
223 8192 memcpy(data_ + size_, buf, nbytes);
224 8192 size_ += nbytes;
225 8192 return nbytes;
226 }
227