GCC Code Coverage Report

Directory: cvmfs/
File: cvmfs/ingestion/item.cc
Date: 2025-08-31 02:39:21
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 4571508 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 4571508 bool has_legacy_bulk_chunk)
26 4571508 : source_(source)
27 4571508 , compression_algorithm_(compression_algorithm)
28 4571508 , hash_algorithm_(hash_algorithm)
29 4571508 , hash_suffix_(hash_suffix)
30 4571508 , has_legacy_bulk_chunk_(has_legacy_bulk_chunk)
31 4571508 , size_(kSizeUnknown)
32 4571508 , may_have_chunks_(may_have_chunks)
33
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 4571508 , chunk_detector_(min_chunk_size, avg_chunk_size, max_chunk_size)
34
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 4571508 , bulk_hash_(hash_algorithm)
35
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 9143016 , chunks_(1) {
36 4571508 const int retval = pthread_mutex_init(&lock_, NULL);
37
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 4571508 assert(retval == 0);
38 4571508 atomic_init64(&nchunks_in_fly_);
39 4571508 atomic_init32(&is_fully_chunked_);
40 4571508 }
41
42 4569225 FileItem::~FileItem() { pthread_mutex_destroy(&lock_); }
43
44 4509536 void FileItem::RegisterChunk(const FileChunk &file_chunk) {
45 4509536 const MutexLockGuard lock_guard(lock_);
46
47
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 4509536 switch (file_chunk.content_hash().suffix) {
48 7490 case shash::kSuffixPartial:
49
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 7490 chunks_.PushBack(file_chunk);
50 7490 break;
51
52 4502046 default:
53
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 4502046 assert(file_chunk.offset() == 0);
54
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 4502046 assert(file_chunk.size() == size_);
55 4502046 bulk_hash_ = file_chunk.content_hash();
56 4502046 break;
57 }
58 4509536 atomic_dec64(&nchunks_in_fly_);
59 4509536 }
60
61
62 //------------------------------------------------------------------------------
63
64
65 4521840 ChunkItem::ChunkItem(FileItem *file_item, uint64_t offset)
66 4520094 : file_item_(file_item)
67 4520094 , offset_(offset)
68 4520094 , size_(0)
69 4520094 , is_bulk_chunk_(false)
70 4520094 , upload_handle_(NULL)
71
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 4521840 , compressor_(NULL) {
72 4519482 hash_ctx_.algorithm = file_item->hash_algorithm();
73
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 4519554 hash_ctx_.size = shash::GetContextSize(hash_ctx_.algorithm);
74 4519356 hash_ctx_.buffer = hash_ctx_buffer_;
75
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 4519356 shash::Init(hash_ctx_);
76 4519914 hash_value_.algorithm = hash_ctx_.algorithm;
77 4519914 hash_value_.suffix = shash::kSuffixPartial;
78 4519914 file_item_->IncNchunksInFly();
79 4526862 }
80
81
82 4492806 void ChunkItem::MakeBulkChunk() {
83 4492806 is_bulk_chunk_ = true;
84 4492806 hash_value_.suffix = file_item_->hash_suffix();
85 4492032 }
86
87
88 10391053 zlib::Compressor *ChunkItem::GetCompressor() {
89
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 10391053 if (!compressor_.IsValid()) {
90 compressor_ = zlib::Compressor::Construct(
91
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 4490980 file_item_->compression_algorithm());
92 }
93 10403419 return compressor_.weak_ref();
94 }
95
96
97 4498378 void ChunkItem::ReleaseCompressor() { compressor_.Destroy(); }
98
99
100 //------------------------------------------------------------------------------
101
102 atomic_int64 BlockItem::managed_bytes_ = 0;
103
104
105 140704 BlockItem::BlockItem(ItemAllocator *allocator)
106 140704 : allocator_(allocator)
107 140704 , type_(kBlockHollow)
108 140704 , tag_(-1)
109 140704 , file_item_(NULL)
110 140704 , chunk_item_(NULL)
111 140704 , data_(NULL)
112 140704 , capacity_(0)
113 140704 , size_(0) { }
114
115
116 31867818 BlockItem::BlockItem(int64_t tag, ItemAllocator *allocator)
117 31692606 : allocator_(allocator)
118 31692606 , type_(kBlockHollow)
119 31692606 , tag_(tag)
120 31692606 , file_item_(NULL)
121 31692606 , chunk_item_(NULL)
122 31692606 , data_(NULL)
123 31692606 , capacity_(0)
124 31867818 , size_(0) {
125
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 31692606 assert(tag_ >= 0);
126 31692606 }
127
128
129 31854470 BlockItem::~BlockItem() {
130
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 31854470 if (data_)
131 13163107 allocator_->Free(data_);
132 31871552 atomic_xadd64(&managed_bytes_, -static_cast<int64_t>(capacity_));
133 32120078 }
134
135
136 4959631 void BlockItem::Discharge() {
137 4959631 data_ = NULL;
138 4959631 size_ = capacity_ = 0;
139 4959631 }
140
141
142 13439234 void BlockItem::MakeStop() {
143
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 13439234 assert(type_ == kBlockHollow);
144 13439234 type_ = kBlockStop;
145 13439234 }
146
147
148 7006048 void BlockItem::MakeData(uint32_t capacity) {
149
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 7006048 assert(type_ == kBlockHollow);
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 7006048 assert(allocator_ != NULL);
151
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 7006048 assert(capacity > 0);
152
153 7006048 type_ = kBlockData;
154 7006048 capacity_ = capacity;
155 7006048 data_ = reinterpret_cast<unsigned char *>(allocator_->Malloc(capacity_));
156 7026982 atomic_xadd64(&managed_bytes_, static_cast<int64_t>(capacity_));
157 7028890 }
158
159
160 /**
161 * Move data from one block to another.
162 */
163 4959037 void BlockItem::MakeDataMove(BlockItem *other) {
164
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 4959037 assert(type_ == kBlockHollow);
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 4959037 assert(other->type_ == kBlockData);
166
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 4959037 assert(other->size_ > 0);
167
168 4959037 type_ = kBlockData;
169 4959037 capacity_ = size_ = other->size_;
170 4959037 data_ = other->data_;
171 4959037 allocator_ = other->allocator_;
172
173 4959037 other->Discharge();
174 4959847 }
175
176
177 /**
178 * Copy a piece of one block's data into a new block.
179 */
180 6678813 void BlockItem::MakeDataCopy(const unsigned char *data, uint32_t size) {
181
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 6678813 assert(type_ == kBlockHollow);
182
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 6678813 assert(allocator_ != NULL);
183
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 6678813 assert(size > 0);
184
185 6678813 type_ = kBlockData;
186 6678813 capacity_ = size_ = size;
187 6678813 data_ = reinterpret_cast<unsigned char *>(allocator_->Malloc(capacity_));
188 6691787 memcpy(data_, data, size);
189 6691787 atomic_xadd64(&managed_bytes_, static_cast<int64_t>(capacity_));
190 6691961 }
191
192
193 532886 void BlockItem::Reset() {
194
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 532886 assert(type_ == kBlockData);
195
196 532886 atomic_xadd64(&managed_bytes_, -static_cast<int64_t>(capacity_));
197 533084 allocator_->Free(data_);
198 533030 data_ = NULL;
199 533030 size_ = capacity_ = 0;
200 533030 type_ = kBlockHollow;
201 533030 }
202
203
204 21888889 void BlockItem::SetChunkItem(ChunkItem *value) {
205
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 21888889 assert(value != NULL);
206
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 21888889 assert(chunk_item_ == NULL);
207 21888889 chunk_item_ = value;
208 21888889 }
209
210
211 31572140 void BlockItem::SetFileItem(FileItem *value) {
212
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 31572140 assert(value != NULL);
213
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 31572140 assert(file_item_ == NULL);
214 31572140 file_item_ = value;
215 31572140 }
216
217
218 2048 uint32_t BlockItem::Write(void *buf, uint32_t count) {
219
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 2048 assert(type_ == kBlockData);
220
221 2048 const uint32_t remaining = capacity_ - size_;
222 2048 const uint32_t nbytes = std::min(remaining, count);
223 2048 memcpy(data_ + size_, buf, nbytes);
224 2048 size_ += nbytes;
225 2048 return nbytes;
226 }
227