GCC Code Coverage Report

Directory: cvmfs/
File: cvmfs/ingestion/item.cc
Date: 2025-06-29 02:35:41
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 9844372 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 9844372 bool has_legacy_bulk_chunk)
26 9844372 : source_(source)
27 9844372 , compression_algorithm_(compression_algorithm)
28 9844372 , hash_algorithm_(hash_algorithm)
29 9844372 , hash_suffix_(hash_suffix)
30 9844372 , has_legacy_bulk_chunk_(has_legacy_bulk_chunk)
31 9844372 , size_(kSizeUnknown)
32 9844372 , may_have_chunks_(may_have_chunks)
33
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 9844372 , chunk_detector_(min_chunk_size, avg_chunk_size, max_chunk_size)
34
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 9844372 , bulk_hash_(hash_algorithm)
35
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 19688744 , chunks_(1) {
36 9844372 const int retval = pthread_mutex_init(&lock_, NULL);
37
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 9844372 assert(retval == 0);
38 9844372 atomic_init64(&nchunks_in_fly_);
39 9844372 atomic_init32(&is_fully_chunked_);
40 9844372 }
41
42 9838981 FileItem::~FileItem() { pthread_mutex_destroy(&lock_); }
43
44 9769614 void FileItem::RegisterChunk(const FileChunk &file_chunk) {
45 9769614 const MutexLockGuard lock_guard(lock_);
46
47
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 9769614 switch (file_chunk.content_hash().suffix) {
48 17423 case shash::kSuffixPartial:
49
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 17423 chunks_.PushBack(file_chunk);
50 17423 break;
51
52 9752191 default:
53
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 9752191 assert(file_chunk.offset() == 0);
54
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 9752191 assert(file_chunk.size() == size_);
55 9752191 bulk_hash_ = file_chunk.content_hash();
56 9752191 break;
57 }
58 9769614 atomic_dec64(&nchunks_in_fly_);
59 9769614 }
60
61
62 //------------------------------------------------------------------------------
63
64
65 9984481 ChunkItem::ChunkItem(FileItem *file_item, uint64_t offset)
66 9981634 : file_item_(file_item)
67 9981634 , offset_(offset)
68 9981634 , size_(0)
69 9981634 , is_bulk_chunk_(false)
70 9981634 , upload_handle_(NULL)
71
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 9984481 , compressor_(NULL) {
72 9986158 hash_ctx_.algorithm = file_item->hash_algorithm();
73
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 9982102 hash_ctx_.size = shash::GetContextSize(hash_ctx_.algorithm);
74 9980893 hash_ctx_.buffer = hash_ctx_buffer_;
75
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 9980893 shash::Init(hash_ctx_);
76 9981751 hash_value_.algorithm = hash_ctx_.algorithm;
77 9981751 hash_value_.suffix = shash::kSuffixPartial;
78 9981751 file_item_->IncNchunksInFly();
79 9994075 }
80
81
82 9734584 void ChunkItem::MakeBulkChunk() {
83 9734584 is_bulk_chunk_ = true;
84 9734584 hash_value_.suffix = file_item_->hash_suffix();
85 9731620 }
86
87
88 22545936 zlib::Compressor *ChunkItem::GetCompressor() {
89
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 22545936 if (!compressor_.IsValid()) {
90 compressor_ = zlib::Compressor::Construct(
91
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 9733049 file_item_->compression_algorithm());
92 }
93 22570740 return compressor_.weak_ref();
94 }
95
96
97 9746387 void ChunkItem::ReleaseCompressor() { compressor_.Destroy(); }
98
99
100 //------------------------------------------------------------------------------
101
102 atomic_int64 BlockItem::managed_bytes_ = 0;
103
104
105 144704 BlockItem::BlockItem(ItemAllocator *allocator)
106 144704 : allocator_(allocator)
107 144704 , type_(kBlockHollow)
108 144704 , tag_(-1)
109 144704 , file_item_(NULL)
110 144704 , chunk_item_(NULL)
111 144704 , data_(NULL)
112 144704 , capacity_(0)
113 144704 , size_(0) { }
114
115
116 71466290 BlockItem::BlockItem(int64_t tag, ItemAllocator *allocator)
117 71121718 : allocator_(allocator)
118 71121718 , type_(kBlockHollow)
119 71121718 , tag_(tag)
120 71121718 , file_item_(NULL)
121 71121718 , chunk_item_(NULL)
122 71121718 , data_(NULL)
123 71121718 , capacity_(0)
124 71466290 , size_(0) {
125
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 71121718 assert(tag_ >= 0);
126 71121718 }
127
128
129 71213583 BlockItem::~BlockItem() {
130
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 71213583 if (data_)
131 30224499 allocator_->Free(data_);
132 71244510 atomic_xadd64(&managed_bytes_, -static_cast<int64_t>(capacity_));
133 71789263 }
134
135
136 10755992 void BlockItem::Discharge() {
137 10755992 data_ = NULL;
138 10755992 size_ = capacity_ = 0;
139 10755992 }
140
141
142 29358017 void BlockItem::MakeStop() {
143
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 29358017 assert(type_ == kBlockHollow);
144 29358017 type_ = kBlockStop;
145 29358017 }
146
147
148 15075638 void BlockItem::MakeData(uint32_t capacity) {
149
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 15075638 assert(type_ == kBlockHollow);
150
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 15075638 assert(allocator_ != NULL);
151
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 15075638 assert(capacity > 0);
152
153 15075638 type_ = kBlockData;
154 15075638 capacity_ = capacity;
155 15075638 data_ = reinterpret_cast<unsigned char *>(allocator_->Malloc(capacity_));
156 15118031 atomic_xadd64(&managed_bytes_, static_cast<int64_t>(capacity_));
157 15121892 }
158
159
160 /**
161 * Move data from one block to another.
162 */
163 10754783 void BlockItem::MakeDataMove(BlockItem *other) {
164
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 10754783 assert(type_ == kBlockHollow);
165
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 10754783 assert(other->type_ == kBlockData);
166
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 10754783 assert(other->size_ > 0);
167
168 10754783 type_ = kBlockData;
169 10754783 capacity_ = size_ = other->size_;
170 10754783 data_ = other->data_;
171 10754783 allocator_ = other->allocator_;
172
173 10754783 other->Discharge();
174 10754237 }
175
176
177 /**
178 * Copy a piece of one block's data into a new block.
179 */
180 16644461 void BlockItem::MakeDataCopy(const unsigned char *data, uint32_t size) {
181
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 16644461 assert(type_ == kBlockHollow);
182
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 16644461 assert(allocator_ != NULL);
183
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 16644461 assert(size > 0);
184
185 16644461 type_ = kBlockData;
186 16644461 capacity_ = size_ = size;
187 16644461 data_ = reinterpret_cast<unsigned char *>(allocator_->Malloc(capacity_));
188 16672799 memcpy(data_, data, size);
189 16672799 atomic_xadd64(&managed_bytes_, static_cast<int64_t>(capacity_));
190 16667533 }
191
192
193 1528400 void BlockItem::Reset() {
194
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 1528400 assert(type_ == kBlockData);
195
196 1528400 atomic_xadd64(&managed_bytes_, -static_cast<int64_t>(capacity_));
197 1529024 allocator_->Free(data_);
198 1528907 data_ = NULL;
199 1528907 size_ = capacity_ = 0;
200 1528907 type_ = kBlockHollow;
201 1528907 }
202
203
204 49436030 void BlockItem::SetChunkItem(ChunkItem *value) {
205
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 49436030 assert(value != NULL);
206
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 49436030 assert(chunk_item_ == NULL);
207 49436030 chunk_item_ = value;
208 49436030 }
209
210
211 70965314 void BlockItem::SetFileItem(FileItem *value) {
212
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 70965314 assert(value != NULL);
213
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 70965314 assert(file_item_ == NULL);
214 70965314 file_item_ = value;
215 70965314 }
216
217
218 23552 uint32_t BlockItem::Write(void *buf, uint32_t count) {
219
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 23552 assert(type_ == kBlockData);
220
221 23552 const uint32_t remaining = capacity_ - size_;
222 23552 const uint32_t nbytes = std::min(remaining, count);
223 23552 memcpy(data_ + size_, buf, nbytes);
224 23552 size_ += nbytes;
225 23552 return nbytes;
226 }
227