GCC Code Coverage Report

Directory: cvmfs/
File: cvmfs/ingestion/item.cc
Date: 2025-09-28 02:35:26
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 806075 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 806075 bool has_legacy_bulk_chunk)
26 806075 : source_(source)
27 806075 , compression_algorithm_(compression_algorithm)
28 806075 , hash_algorithm_(hash_algorithm)
29 806075 , hash_suffix_(hash_suffix)
30 806075 , has_legacy_bulk_chunk_(has_legacy_bulk_chunk)
31 806075 , size_(kSizeUnknown)
32 806075 , may_have_chunks_(may_have_chunks)
33
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 806075 , chunk_detector_(min_chunk_size, avg_chunk_size, max_chunk_size)
34
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 806075 , bulk_hash_(hash_algorithm)
35
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 1612150 , chunks_(1) {
36 806075 const int retval = pthread_mutex_init(&lock_, NULL);
37
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 806075 assert(retval == 0);
38 806075 atomic_init64(&nchunks_in_fly_);
39 806075 atomic_init32(&is_fully_chunked_);
40 806075 }
41
42 805418 FileItem::~FileItem() { pthread_mutex_destroy(&lock_); }
43
44 754340 void FileItem::RegisterChunk(const FileChunk &file_chunk) {
45 754340 const MutexLockGuard lock_guard(lock_);
46
47
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 754340 switch (file_chunk.content_hash().suffix) {
48 2475 case shash::kSuffixPartial:
49
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 2475 chunks_.PushBack(file_chunk);
50 2475 break;
51
52 751865 default:
53
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 751865 assert(file_chunk.offset() == 0);
54
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 751865 assert(file_chunk.size() == size_);
55 751865 bulk_hash_ = file_chunk.content_hash();
56 751865 break;
57 }
58 754340 atomic_dec64(&nchunks_in_fly_);
59 754340 }
60
61
62 //------------------------------------------------------------------------------
63
64
65 948743 ChunkItem::ChunkItem(FileItem *file_item, uint64_t offset)
66 948227 : file_item_(file_item)
67 948227 , offset_(offset)
68 948227 , size_(0)
69 948227 , is_bulk_chunk_(false)
70 948227 , upload_handle_(NULL)
71
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 948743 , compressor_(NULL) {
72 948254 hash_ctx_.algorithm = file_item->hash_algorithm();
73
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 948203 hash_ctx_.size = shash::GetContextSize(hash_ctx_.algorithm);
74 948173 hash_ctx_.buffer = hash_ctx_buffer_;
75
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 948173 shash::Init(hash_ctx_);
76 948374 hash_value_.algorithm = hash_ctx_.algorithm;
77 948374 hash_value_.suffix = shash::kSuffixPartial;
78 948374 file_item_->IncNchunksInFly();
79 949370 }
80
81
82 750686 void ChunkItem::MakeBulkChunk() {
83 750686 is_bulk_chunk_ = true;
84 750686 hash_value_.suffix = file_item_->hash_suffix();
85 750530 }
86
87
88 1754374 zlib::Compressor *ChunkItem::GetCompressor() {
89
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 1754374 if (!compressor_.IsValid()) {
90 compressor_ = zlib::Compressor::Construct(
91
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 750152 file_item_->compression_algorithm());
92 }
93 1756654 return compressor_.weak_ref();
94 }
95
96
97 751298 void ChunkItem::ReleaseCompressor() { compressor_.Destroy(); }
98
99
100 //------------------------------------------------------------------------------
101
102 atomic_int64 BlockItem::managed_bytes_ = 0;
103
104
105 101320 BlockItem::BlockItem(ItemAllocator *allocator)
106 101320 : allocator_(allocator)
107 101320 , type_(kBlockHollow)
108 101320 , tag_(-1)
109 101320 , file_item_(NULL)
110 101320 , chunk_item_(NULL)
111 101320 , data_(NULL)
112 101320 , capacity_(0)
113 101320 , size_(0) { }
114
115
116 7751844 BlockItem::BlockItem(int64_t tag, ItemAllocator *allocator)
117 7717941 : allocator_(allocator)
118 7717941 , type_(kBlockHollow)
119 7717941 , tag_(tag)
120 7717941 , file_item_(NULL)
121 7717941 , chunk_item_(NULL)
122 7717941 , data_(NULL)
123 7717941 , capacity_(0)
124 7751844 , size_(0) {
125
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 7717941 assert(tag_ >= 0);
126 7717941 }
127
128
129 7826794 BlockItem::~BlockItem() {
130
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 7826794 if (data_)
131 4091071 allocator_->Free(data_);
132 7829815 atomic_xadd64(&managed_bytes_, -static_cast<int64_t>(capacity_));
133 7869538 }
134
135
136 828173 void BlockItem::Discharge() {
137 828173 data_ = NULL;
138 828173 size_ = capacity_ = 0;
139 828173 }
140
141
142 2440260 void BlockItem::MakeStop() {
143
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 2440260 assert(type_ == kBlockHollow);
144 2440260 type_ = kBlockStop;
145 2440260 }
146
147
148 1212632 void BlockItem::MakeData(uint32_t capacity) {
149
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 1212632 assert(type_ == kBlockHollow);
150
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 1212632 assert(allocator_ != NULL);
151
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 1212632 assert(capacity > 0);
152
153 1212632 type_ = kBlockData;
154 1212632 capacity_ = capacity;
155 1212632 data_ = reinterpret_cast<unsigned char *>(allocator_->Malloc(capacity_));
156 1215245 atomic_xadd64(&managed_bytes_, static_cast<int64_t>(capacity_));
157 1215599 }
158
159
160 /**
161 * Move data from one block to another.
162 */
163 827990 void BlockItem::MakeDataMove(BlockItem *other) {
164
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 827990 assert(type_ == kBlockHollow);
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 827990 assert(other->type_ == kBlockData);
166
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 827990 assert(other->size_ > 0);
167
168 827990 type_ = kBlockData;
169 827990 capacity_ = size_ = other->size_;
170 827990 data_ = other->data_;
171 827990 allocator_ = other->allocator_;
172
173 827990 other->Discharge();
174 828203 }
175
176
177 /**
178 * Copy a piece of one block's data into a new block.
179 */
180 3347840 void BlockItem::MakeDataCopy(const unsigned char *data, uint32_t size) {
181
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 3347840 assert(type_ == kBlockHollow);
182
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 3347840 assert(allocator_ != NULL);
183
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 3347840 assert(size > 0);
184
185 3347840 type_ = kBlockData;
186 3347840 capacity_ = size_ = size;
187 3347840 data_ = reinterpret_cast<unsigned char *>(allocator_->Malloc(capacity_));
188 3352220 memcpy(data_, data, size);
189 3352220 atomic_xadd64(&managed_bytes_, static_cast<int64_t>(capacity_));
190 3349001 }
191
192
193 472779 void BlockItem::Reset() {
194
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 472779 assert(type_ == kBlockData);
195
196 472779 atomic_xadd64(&managed_bytes_, -static_cast<int64_t>(capacity_));
197 472794 allocator_->Free(data_);
198 472794 data_ = NULL;
199 472794 size_ = capacity_ = 0;
200 472794 type_ = kBlockHollow;
201 472794 }
202
203
204 5712398 void BlockItem::SetChunkItem(ChunkItem *value) {
205
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 5712398 assert(value != NULL);
206
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 5712398 assert(chunk_item_ == NULL);
207 5712398 chunk_item_ = value;
208 5712398 }
209
210
211 7718325 void BlockItem::SetFileItem(FileItem *value) {
212
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 7718325 assert(value != NULL);
213
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 7718325 assert(file_item_ == NULL);
214 7718325 file_item_ = value;
215 7718325 }
216
217
218 19968 uint32_t BlockItem::Write(void *buf, uint32_t count) {
219
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 19968 assert(type_ == kBlockData);
220
221 19968 const uint32_t remaining = capacity_ - size_;
222 19968 const uint32_t nbytes = std::min(remaining, count);
223 19968 memcpy(data_ + size_, buf, nbytes);
224 19968 size_ += nbytes;
225 19968 return nbytes;
226 }
227