GCC Code Coverage Report

Directory: cvmfs/
File: cvmfs/ingestion/item.cc
Date: 2026-04-26 02:35:59
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 9853209 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 9853209 bool has_legacy_bulk_chunk)
26 9853209 : source_(source)
27 9853209 , compression_algorithm_(compression_algorithm)
28 9853209 , hash_algorithm_(hash_algorithm)
29 9853209 , hash_suffix_(hash_suffix)
30 9853209 , has_legacy_bulk_chunk_(has_legacy_bulk_chunk)
31 9853209 , size_(kSizeUnknown)
32 9853209 , may_have_chunks_(may_have_chunks)
33
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 9853209 , chunk_detector_(min_chunk_size, avg_chunk_size, max_chunk_size)
34
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 9853209 , bulk_hash_(hash_algorithm)
35
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 19706418 , chunks_(1) {
36 9853209 const int retval = pthread_mutex_init(&lock_, NULL);
37
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 9853209 assert(retval == 0);
38 9853209 atomic_init64(&nchunks_in_fly_);
39 9853209 atomic_init32(&is_fully_chunked_);
40 9853209 }
41
42 9844840 FileItem::~FileItem() { pthread_mutex_destroy(&lock_); }
43
44 9768534 void FileItem::RegisterChunk(const FileChunk &file_chunk) {
45 9768534 const MutexLockGuard lock_guard(lock_);
46
47
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 9768534 switch (file_chunk.content_hash().suffix) {
48 16047 case shash::kSuffixPartial:
49
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 16047 chunks_.PushBack(file_chunk);
50 16047 break;
51
52 9752487 default:
53
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 9752487 assert(file_chunk.offset() == 0);
54
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 9752487 assert(file_chunk.size() == size_);
55 9752487 bulk_hash_ = file_chunk.content_hash();
56 9752487 break;
57 }
58 9768534 atomic_dec64(&nchunks_in_fly_);
59 9768534 }
60
61
62 //------------------------------------------------------------------------------
63
64
65 9713796 ChunkItem::ChunkItem(FileItem *file_item, uint64_t offset)
66 9685092 : file_item_(file_item)
67 9685092 , offset_(offset)
68 9685092 , size_(0)
69 9685092 , is_bulk_chunk_(false)
70 9685092 , upload_handle_(NULL)
71
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 9713796 , compressor_(NULL) {
72 9649017 hash_ctx_.algorithm = file_item->hash_algorithm();
73
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 9656583 hash_ctx_.size = shash::GetContextSize(hash_ctx_.algorithm);
74 9651240 hash_ctx_.buffer = hash_ctx_buffer_;
75
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 9651240 shash::Init(hash_ctx_);
76 9683142 hash_value_.algorithm = hash_ctx_.algorithm;
77 9683142 hash_value_.suffix = shash::kSuffixPartial;
78 9683142 file_item_->IncNchunksInFly();
79 9742110 }
80
81
82 9662445 void ChunkItem::MakeBulkChunk() {
83 9662445 is_bulk_chunk_ = true;
84 9662445 hash_value_.suffix = file_item_->hash_suffix();
85 9650394 }
86
87
88 22574240 zlib::Compressor *ChunkItem::GetCompressor() {
89
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 22574240 if (!compressor_.IsValid()) {
90 compressor_ = zlib::Compressor::Construct(
91
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 9744456 file_item_->compression_algorithm());
92 }
93 22636328 return compressor_.weak_ref();
94 }
95
96
97 9745665 void ChunkItem::ReleaseCompressor() { compressor_.Destroy(); }
98
99
100 //------------------------------------------------------------------------------
101
102 atomic_int64 BlockItem::managed_bytes_ = 0;
103
104
105 150376 BlockItem::BlockItem(ItemAllocator *allocator)
106 150376 : allocator_(allocator)
107 150376 , type_(kBlockHollow)
108 150376 , tag_(-1)
109 150376 , file_item_(NULL)
110 150376 , chunk_item_(NULL)
111 150376 , data_(NULL)
112 150376 , capacity_(0)
113 150376 , size_(0) { }
114
115
116 68500462 BlockItem::BlockItem(int64_t tag, ItemAllocator *allocator)
117 68247586 : allocator_(allocator)
118 68247586 , type_(kBlockHollow)
119 68247586 , tag_(tag)
120 68247586 , file_item_(NULL)
121 68247586 , chunk_item_(NULL)
122 68247586 , data_(NULL)
123 68247586 , capacity_(0)
124 68500462 , size_(0) {
125
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 68247586 assert(tag_ >= 0);
126 68247586 }
127
128
129 68874779 BlockItem::~BlockItem() {
130
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 68874779 if (data_)
131 28166757 allocator_->Free(data_);
132 68893889 atomic_xadd64(&managed_bytes_, -static_cast<int64_t>(capacity_));
133 69261443 }
134
135
136 10631534 void BlockItem::Discharge() {
137 10631534 data_ = NULL;
138 10631534 size_ = capacity_ = 0;
139 10631534 }
140
141
142 29021814 void BlockItem::MakeStop() {
143
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 29021814 assert(type_ == kBlockHollow);
144 29021814 type_ = kBlockStop;
145 29021814 }
146
147
148 15076821 void BlockItem::MakeData(uint32_t capacity) {
149
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 15076821 assert(type_ == kBlockHollow);
150
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 15076821 assert(allocator_ != NULL);
151
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 15076821 assert(capacity > 0);
152
153 15076821 type_ = kBlockData;
154 15076821 capacity_ = capacity;
155 15076821 data_ = reinterpret_cast<unsigned char *>(allocator_->Malloc(capacity_));
156 15112350 atomic_xadd64(&managed_bytes_, static_cast<int64_t>(capacity_));
157 15117420 }
158
159
160 /**
161 * Move data from one block to another.
162 */
163 10624202 void BlockItem::MakeDataMove(BlockItem *other) {
164
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 10624202 assert(type_ == kBlockHollow);
165
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 10624202 assert(other->type_ == kBlockData);
166
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 10624202 assert(other->size_ > 0);
167
168 10624202 type_ = kBlockData;
169 10624202 capacity_ = size_ = other->size_;
170 10624202 data_ = other->data_;
171 10624202 allocator_ = other->allocator_;
172
173 10624202 other->Discharge();
174 10618703 }
175
176
177 /**
178 * Copy a piece of one block's data into a new block.
179 */
180 14093376 void BlockItem::MakeDataCopy(const unsigned char *data, uint32_t size) {
181
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 14093376 assert(type_ == kBlockHollow);
182
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 14093376 assert(allocator_ != NULL);
183
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 14093376 assert(size > 0);
184
185 14093376 type_ = kBlockData;
186 14093376 capacity_ = size_ = size;
187 14093376 data_ = reinterpret_cast<unsigned char *>(allocator_->Malloc(capacity_));
188 14158746 memcpy(data_, data, size);
189 14158746 atomic_xadd64(&managed_bytes_, static_cast<int64_t>(capacity_));
190 14166618 }
191
192
193 1098297 void BlockItem::Reset() {
194
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 1098297 assert(type_ == kBlockData);
195
196 1098297 atomic_xadd64(&managed_bytes_, -static_cast<int64_t>(capacity_));
197 1098336 allocator_->Free(data_);
198 1098336 data_ = NULL;
199 1098336 size_ = capacity_ = 0;
200 1098336 type_ = kBlockHollow;
201 1098336 }
202
203
204 47138075 void BlockItem::SetChunkItem(ChunkItem *value) {
205
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 47138075 assert(value != NULL);
206
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 47138075 assert(chunk_item_ == NULL);
207 47138075 chunk_item_ = value;
208 47138075 }
209
210
211 68062753 void BlockItem::SetFileItem(FileItem *value) {
212
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 68062753 assert(value != NULL);
213
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 68062753 assert(file_item_ == NULL);
214 68062753 file_item_ = value;
215 68062753 }
216
217
218 1536 uint32_t BlockItem::Write(void *buf, uint32_t count) {
219
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 1536 assert(type_ == kBlockData);
220
221 1536 const uint32_t remaining = capacity_ - size_;
222 1536 const uint32_t nbytes = std::min(remaining, count);
223 1536 memcpy(data_ + size_, buf, nbytes);
224 1536 size_ += nbytes;
225 1536 return nbytes;
226 }
227