GCC Code Coverage Report

Directory: cvmfs/
File: cvmfs/ingestion/item.cc
Date: 2026-01-11 02:35:46
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 1298969 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 1298969 bool has_legacy_bulk_chunk)
26 1298969 : source_(source)
27 1298969 , compression_algorithm_(compression_algorithm)
28 1298969 , hash_algorithm_(hash_algorithm)
29 1298969 , hash_suffix_(hash_suffix)
30 1298969 , has_legacy_bulk_chunk_(has_legacy_bulk_chunk)
31 1298969 , size_(kSizeUnknown)
32 1298969 , may_have_chunks_(may_have_chunks)
33
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 1298969 , chunk_detector_(min_chunk_size, avg_chunk_size, max_chunk_size)
34
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 1298969 , bulk_hash_(hash_algorithm)
35
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 2597938 , chunks_(1) {
36 1298969 const int retval = pthread_mutex_init(&lock_, NULL);
37
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 1298969 assert(retval == 0);
38 1298969 atomic_init64(&nchunks_in_fly_);
39 1298969 atomic_init32(&is_fully_chunked_);
40 1298969 }
41
42 1298010 FileItem::~FileItem() { pthread_mutex_destroy(&lock_); }
43
44 1254107 void FileItem::RegisterChunk(const FileChunk &file_chunk) {
45 1254107 const MutexLockGuard lock_guard(lock_);
46
47
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 1254107 switch (file_chunk.content_hash().suffix) {
48 3005 case shash::kSuffixPartial:
49
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 3005 chunks_.PushBack(file_chunk);
50 3005 break;
51
52 1251102 default:
53
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 1251102 assert(file_chunk.offset() == 0);
54
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 1251102 assert(file_chunk.size() == size_);
55 1251102 bulk_hash_ = file_chunk.content_hash();
56 1251102 break;
57 }
58 1254107 atomic_dec64(&nchunks_in_fly_);
59 1254107 }
60
61
62 //------------------------------------------------------------------------------
63
64
65 1401847 ChunkItem::ChunkItem(FileItem *file_item, uint64_t offset)
66 1401377 : file_item_(file_item)
67 1401377 , offset_(offset)
68 1401377 , size_(0)
69 1401377 , is_bulk_chunk_(false)
70 1401377 , upload_handle_(NULL)
71
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 1401847 , compressor_(NULL) {
72 1402047 hash_ctx_.algorithm = file_item->hash_algorithm();
73
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 1401732 hash_ctx_.size = shash::GetContextSize(hash_ctx_.algorithm);
74 1401262 hash_ctx_.buffer = hash_ctx_buffer_;
75
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 1401262 shash::Init(hash_ctx_);
76 1400927 hash_value_.algorithm = hash_ctx_.algorithm;
77 1400927 hash_value_.suffix = shash::kSuffixPartial;
78 1400927 file_item_->IncNchunksInFly();
79 1403527 }
80
81
82 1248442 void ChunkItem::MakeBulkChunk() {
83 1248442 is_bulk_chunk_ = true;
84 1248442 hash_value_.suffix = file_item_->hash_suffix();
85 1248142 }
86
87
88 2900246 zlib::Compressor *ChunkItem::GetCompressor() {
89
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 2900246 if (!compressor_.IsValid()) {
90 compressor_ = zlib::Compressor::Construct(
91
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 1247487 file_item_->compression_algorithm());
92 }
93 2903251 return compressor_.weak_ref();
94 }
95
96
97 1249677 void ChunkItem::ReleaseCompressor() { compressor_.Destroy(); }
98
99
100 //------------------------------------------------------------------------------
101
102 atomic_int64 BlockItem::managed_bytes_ = 0;
103
104
105 122336 BlockItem::BlockItem(ItemAllocator *allocator)
106 122336 : allocator_(allocator)
107 122336 , type_(kBlockHollow)
108 122336 , tag_(-1)
109 122336 , file_item_(NULL)
110 122336 , chunk_item_(NULL)
111 122336 , data_(NULL)
112 122336 , capacity_(0)
113 122336 , size_(0) { }
114
115
116 10675511 BlockItem::BlockItem(int64_t tag, ItemAllocator *allocator)
117 10616811 : allocator_(allocator)
118 10616811 , type_(kBlockHollow)
119 10616811 , tag_(tag)
120 10616811 , file_item_(NULL)
121 10616811 , chunk_item_(NULL)
122 10616811 , data_(NULL)
123 10616811 , capacity_(0)
124 10675511 , size_(0) {
125
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 10616811 assert(tag_ >= 0);
126 10616811 }
127
128
129 10750809 BlockItem::~BlockItem() {
130
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 10750809 if (data_)
131 5111443 allocator_->Free(data_);
132 10756634 atomic_xadd64(&managed_bytes_, -static_cast<int64_t>(capacity_));
133 10833934 }
134
135
136 1378099 void BlockItem::Discharge() {
137 1378099 data_ = NULL;
138 1378099 size_ = capacity_ = 0;
139 1378099 }
140
141
142 3880376 void BlockItem::MakeStop() {
143
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 3880376 assert(type_ == kBlockHollow);
144 3880376 type_ = kBlockStop;
145 3880376 }
146
147
148 2005320 void BlockItem::MakeData(uint32_t capacity) {
149
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 2005320 assert(type_ == kBlockHollow);
150
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 2005320 assert(allocator_ != NULL);
151
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 2005320 assert(capacity > 0);
152
153 2005320 type_ = kBlockData;
154 2005320 capacity_ = capacity;
155 2005320 data_ = reinterpret_cast<unsigned char *>(allocator_->Malloc(capacity_));
156 2012150 atomic_xadd64(&managed_bytes_, static_cast<int64_t>(capacity_));
157 2012755 }
158
159
160 /**
161 * Move data from one block to another.
162 */
163 1377634 void BlockItem::MakeDataMove(BlockItem *other) {
164
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 1377634 assert(type_ == kBlockHollow);
165
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 1377634 assert(other->type_ == kBlockData);
166
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 1377634 assert(other->size_ > 0);
167
168 1377634 type_ = kBlockData;
169 1377634 capacity_ = size_ = other->size_;
170 1377634 data_ = other->data_;
171 1377634 allocator_ = other->allocator_;
172
173 1377634 other->Discharge();
174 1377349 }
175
176
177 /**
178 * Copy a piece of one block's data into a new block.
179 */
180 3539248 void BlockItem::MakeDataCopy(const unsigned char *data, uint32_t size) {
181
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 3539248 assert(type_ == kBlockHollow);
182
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 3539248 assert(allocator_ != NULL);
183
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 3539248 assert(size > 0);
184
185 3539248 type_ = kBlockData;
186 3539248 capacity_ = size_ = size;
187 3539248 data_ = reinterpret_cast<unsigned char *>(allocator_->Malloc(capacity_));
188 3543758 memcpy(data_, data, size);
189 3543758 atomic_xadd64(&managed_bytes_, static_cast<int64_t>(capacity_));
190 3542118 }
191
192
193 437370 void BlockItem::Reset() {
194
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 437370 assert(type_ == kBlockData);
195
196 437370 atomic_xadd64(&managed_bytes_, -static_cast<int64_t>(capacity_));
197 437440 allocator_->Free(data_);
198 437430 data_ = NULL;
199 437430 size_ = capacity_ = 0;
200 437430 type_ = kBlockHollow;
201 437430 }
202
203
204 7610390 void BlockItem::SetChunkItem(ChunkItem *value) {
205
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 7610390 assert(value != NULL);
206
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 7610390 assert(chunk_item_ == NULL);
207 7610390 chunk_item_ = value;
208 7610390 }
209
210
211 10588301 void BlockItem::SetFileItem(FileItem *value) {
212
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 10588301 assert(value != NULL);
213
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 10588301 assert(file_item_ == NULL);
214 10588301 file_item_ = value;
215 10588301 }
216
217
218 15360 uint32_t BlockItem::Write(void *buf, uint32_t count) {
219
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 15360 assert(type_ == kBlockData);
220
221 15360 const uint32_t remaining = capacity_ - size_;
222 15360 const uint32_t nbytes = std::min(remaining, count);
223 15360 memcpy(data_ + size_, buf, nbytes);
224 15360 size_ += nbytes;
225 15360 return nbytes;
226 }
227