GCC Code Coverage Report

Directory: cvmfs/
File: cvmfs/ingestion/item.cc
Date: 2025-07-27 02:42:09
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 4052199 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 4052199 bool has_legacy_bulk_chunk)
26 4052199 : source_(source)
27 4052199 , compression_algorithm_(compression_algorithm)
28 4052199 , hash_algorithm_(hash_algorithm)
29 4052199 , hash_suffix_(hash_suffix)
30 4052199 , has_legacy_bulk_chunk_(has_legacy_bulk_chunk)
31 4052199 , size_(kSizeUnknown)
32 4052199 , may_have_chunks_(may_have_chunks)
33
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 4052199 , chunk_detector_(min_chunk_size, avg_chunk_size, max_chunk_size)
34
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 4052199 , bulk_hash_(hash_algorithm)
35
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 8104398 , chunks_(1) {
36 4052199 const int retval = pthread_mutex_init(&lock_, NULL);
37
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 4052199 assert(retval == 0);
38 4052199 atomic_init64(&nchunks_in_fly_);
39 4052199 atomic_init32(&is_fully_chunked_);
40 4052199 }
41
42 4050665 FileItem::~FileItem() { pthread_mutex_destroy(&lock_); }
43
44 4008062 void FileItem::RegisterChunk(const FileChunk &file_chunk) {
45 4008062 const MutexLockGuard lock_guard(lock_);
46
47
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 4008062 switch (file_chunk.content_hash().suffix) {
48 6576 case shash::kSuffixPartial:
49
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 6576 chunks_.PushBack(file_chunk);
50 6576 break;
51
52 4001486 default:
53
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 4001486 assert(file_chunk.offset() == 0);
54
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 4001486 assert(file_chunk.size() == size_);
55 4001486 bulk_hash_ = file_chunk.content_hash();
56 4001486 break;
57 }
58 4008062 atomic_dec64(&nchunks_in_fly_);
59 4008062 }
60
61
62 //------------------------------------------------------------------------------
63
64
65 4006897 ChunkItem::ChunkItem(FileItem *file_item, uint64_t offset)
66 4003825 : file_item_(file_item)
67 4003825 , offset_(offset)
68 4003825 , size_(0)
69 4003825 , is_bulk_chunk_(false)
70 4003825 , upload_handle_(NULL)
71
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 4006897 , compressor_(NULL) {
72 4006305 hash_ctx_.algorithm = file_item->hash_algorithm();
73
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 4004513 hash_ctx_.size = shash::GetContextSize(hash_ctx_.algorithm);
74 4004193 hash_ctx_.buffer = hash_ctx_buffer_;
75
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 4004193 shash::Init(hash_ctx_);
76 4002481 hash_value_.algorithm = hash_ctx_.algorithm;
77 4002481 hash_value_.suffix = shash::kSuffixPartial;
78 4002481 file_item_->IncNchunksInFly();
79 4010561 }
80
81
82 3993121 void ChunkItem::MakeBulkChunk() {
83 3993121 is_bulk_chunk_ = true;
84 3993121 hash_value_.suffix = file_item_->hash_suffix();
85 3992033 }
86
87
88 9239066 zlib::Compressor *ChunkItem::GetCompressor() {
89
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 9239066 if (!compressor_.IsValid()) {
90 compressor_ = zlib::Compressor::Construct(
91
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 3994351 file_item_->compression_algorithm());
92 }
93 9246266 return compressor_.weak_ref();
94 }
95
96
97 3997631 void ChunkItem::ReleaseCompressor() { compressor_.Destroy(); }
98
99
100 //------------------------------------------------------------------------------
101
102 atomic_int64 BlockItem::managed_bytes_ = 0;
103
104
105 125784 BlockItem::BlockItem(ItemAllocator *allocator)
106 125784 : allocator_(allocator)
107 125784 , type_(kBlockHollow)
108 125784 , tag_(-1)
109 125784 , file_item_(NULL)
110 125784 , chunk_item_(NULL)
111 125784 , data_(NULL)
112 125784 , capacity_(0)
113 125784 , size_(0) { }
114
115
116 28128250 BlockItem::BlockItem(int64_t tag, ItemAllocator *allocator)
117 27932845 : allocator_(allocator)
118 27932845 , type_(kBlockHollow)
119 27932845 , tag_(tag)
120 27932845 , file_item_(NULL)
121 27932845 , chunk_item_(NULL)
122 27932845 , data_(NULL)
123 27932845 , capacity_(0)
124 28128250 , size_(0) {
125
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 27932845 assert(tag_ >= 0);
126 27932845 }
127
128
129 28107352 BlockItem::~BlockItem() {
130
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 28107352 if (data_)
131 11586514 allocator_->Free(data_);
132 28121928 atomic_xadd64(&managed_bytes_, -static_cast<int64_t>(capacity_));
133 28377498 }
134
135
136 4407131 void BlockItem::Discharge() {
137 4407131 data_ = NULL;
138 4407131 size_ = capacity_ = 0;
139 4407131 }
140
141
142 11935496 void BlockItem::MakeStop() {
143
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 11935496 assert(type_ == kBlockHollow);
144 11935496 type_ = kBlockStop;
145 11935496 }
146
147
148 6235890 void BlockItem::MakeData(uint32_t capacity) {
149
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 6235890 assert(type_ == kBlockHollow);
150
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 6235890 assert(allocator_ != NULL);
151
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 6235890 assert(capacity > 0);
152
153 6235890 type_ = kBlockData;
154 6235890 capacity_ = capacity;
155 6235890 data_ = reinterpret_cast<unsigned char *>(allocator_->Malloc(capacity_));
156 6254946 atomic_xadd64(&managed_bytes_, static_cast<int64_t>(capacity_));
157 6257890 }
158
159
160 /**
161 * Move data from one block to another.
162 */
163 4408203 void BlockItem::MakeDataMove(BlockItem *other) {
164
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 4408203 assert(type_ == kBlockHollow);
165
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 4408203 assert(other->type_ == kBlockData);
166
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 4408203 assert(other->size_ > 0);
167
168 4408203 type_ = kBlockData;
169 4408203 capacity_ = size_ = other->size_;
170 4408203 data_ = other->data_;
171 4408203 allocator_ = other->allocator_;
172
173 4408203 other->Discharge();
174 4406251 }
175
176
177 /**
178 * Copy a piece of one block's data into a new block.
179 */
180 5789749 void BlockItem::MakeDataCopy(const unsigned char *data, uint32_t size) {
181
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 5789749 assert(type_ == kBlockHollow);
182
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 5789749 assert(allocator_ != NULL);
183
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 5789749 assert(size > 0);
184
185 5789749 type_ = kBlockData;
186 5789749 capacity_ = size_ = size;
187 5789749 data_ = reinterpret_cast<unsigned char *>(allocator_->Malloc(capacity_));
188 5798445 memcpy(data_, data, size);
189 5798445 atomic_xadd64(&managed_bytes_, static_cast<int64_t>(capacity_));
190 5799234 }
191
192
193 448160 void BlockItem::Reset() {
194
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 448160 assert(type_ == kBlockData);
195
196 448160 atomic_xadd64(&managed_bytes_, -static_cast<int64_t>(capacity_));
197 448272 allocator_->Free(data_);
198 448224 data_ = NULL;
199 448224 size_ = capacity_ = 0;
200 448224 type_ = kBlockHollow;
201 448224 }
202
203
204 19281653 void BlockItem::SetChunkItem(ChunkItem *value) {
205
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 19281653 assert(value != NULL);
206
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 19281653 assert(chunk_item_ == NULL);
207 19281653 chunk_item_ = value;
208 19281653 }
209
210
211 27853941 void BlockItem::SetFileItem(FileItem *value) {
212
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 27853941 assert(value != NULL);
213
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 27853941 assert(file_item_ == NULL);
214 27853941 file_item_ = value;
215 27853941 }
216
217
218 512 uint32_t BlockItem::Write(void *buf, uint32_t count) {
219
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 512 assert(type_ == kBlockData);
220
221 512 const uint32_t remaining = capacity_ - size_;
222 512 const uint32_t nbytes = std::min(remaining, count);
223 512 memcpy(data_ + size_, buf, nbytes);
224 512 size_ += nbytes;
225 512 return nbytes;
226 }
227